From: edwin_rong <edwin_rong@xxxxxxxxxxxxxx> This driver is used for Realtek RTS5139 USB cardreader, which supports many cards, such as SD, MS, XD series cards. Signed-off-by: edwin_rong <edwin_rong@xxxxxxxxxxxxxx> --- drivers/staging/Kconfig | 2 + drivers/staging/Makefile | 1 + drivers/staging/rts5139/Kconfig | 16 + drivers/staging/rts5139/Makefile | 37 + drivers/staging/rts5139/TODO | 5 + drivers/staging/rts5139/debug.h | 46 + drivers/staging/rts5139/ms.c | 4190 ++++++++++++++++++++++++++++ drivers/staging/rts5139/ms.h | 263 ++ drivers/staging/rts5139/ms_mg.c | 642 +++++ drivers/staging/rts5139/ms_mg.h | 41 + drivers/staging/rts5139/rts51x.c | 967 +++++++ drivers/staging/rts5139/rts51x.h | 205 ++ drivers/staging/rts5139/rts51x_card.c | 986 +++++++ drivers/staging/rts5139/rts51x_card.h | 881 ++++++ drivers/staging/rts5139/rts51x_chip.c | 1167 ++++++++ drivers/staging/rts5139/rts51x_chip.h | 904 ++++++ drivers/staging/rts5139/rts51x_fop.c | 298 ++ drivers/staging/rts5139/rts51x_fop.h | 62 + drivers/staging/rts5139/rts51x_scsi.c | 2233 +++++++++++++++ drivers/staging/rts5139/rts51x_scsi.h | 162 ++ drivers/staging/rts5139/rts51x_sys.h | 54 + drivers/staging/rts5139/rts51x_transport.c | 1000 +++++++ drivers/staging/rts5139/rts51x_transport.h | 80 + drivers/staging/rts5139/sd.c | 3400 ++++++++++++++++++++++ drivers/staging/rts5139/sd.h | 304 ++ drivers/staging/rts5139/sd_cprm.c | 1215 ++++++++ drivers/staging/rts5139/sd_cprm.h | 54 + drivers/staging/rts5139/trace.h | 137 + drivers/staging/rts5139/xd.c | 2254 +++++++++++++++ drivers/staging/rts5139/xd.h | 193 ++ 30 files changed, 21799 insertions(+), 0 deletions(-) create mode 100644 drivers/staging/rts5139/Kconfig create mode 100644 drivers/staging/rts5139/Makefile create mode 100644 drivers/staging/rts5139/TODO create mode 100644 drivers/staging/rts5139/debug.h create mode 100644 drivers/staging/rts5139/ms.c create mode 100644 drivers/staging/rts5139/ms.h create mode 100644 drivers/staging/rts5139/ms_mg.c create mode 100644 drivers/staging/rts5139/ms_mg.h create mode 100644 drivers/staging/rts5139/rts51x.c create mode 100644 drivers/staging/rts5139/rts51x.h create mode 100644 drivers/staging/rts5139/rts51x_card.c create mode 100644 drivers/staging/rts5139/rts51x_card.h create mode 100644 drivers/staging/rts5139/rts51x_chip.c create mode 100644 drivers/staging/rts5139/rts51x_chip.h create mode 100644 drivers/staging/rts5139/rts51x_fop.c create mode 100644 drivers/staging/rts5139/rts51x_fop.h create mode 100644 drivers/staging/rts5139/rts51x_scsi.c create mode 100644 drivers/staging/rts5139/rts51x_scsi.h create mode 100644 drivers/staging/rts5139/rts51x_sys.h create mode 100644 drivers/staging/rts5139/rts51x_transport.c create mode 100644 drivers/staging/rts5139/rts51x_transport.h create mode 100644 drivers/staging/rts5139/sd.c create mode 100644 drivers/staging/rts5139/sd.h create mode 100644 drivers/staging/rts5139/sd_cprm.c create mode 100644 drivers/staging/rts5139/sd_cprm.h create mode 100644 drivers/staging/rts5139/trace.h create mode 100644 drivers/staging/rts5139/xd.c create mode 100644 drivers/staging/rts5139/xd.h diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 196284d..04d3513 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -68,6 +68,8 @@ source "drivers/staging/rtl8712/Kconfig" source "drivers/staging/rts_pstor/Kconfig" +source "drivers/staging/rts5139/Kconfig" + source "drivers/staging/frontier/Kconfig" source "drivers/staging/pohmelfs/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index fa41b9c..db56670 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_RTL8192U) += rtl8192u/ obj-$(CONFIG_RTL8192E) += rtl8192e/ obj-$(CONFIG_R8712U) += rtl8712/ obj-$(CONFIG_RTS_PSTOR) += rts_pstor/ +obj-$(CONFIG_RTS5139) += rts5139/ obj-$(CONFIG_SPECTRA) += spectra/ obj-$(CONFIG_TRANZPORT) += frontier/ obj-$(CONFIG_POHMELFS) += pohmelfs/ diff --git a/drivers/staging/rts5139/Kconfig b/drivers/staging/rts5139/Kconfig new file mode 100644 index 0000000..f940e51 --- /dev/null +++ b/drivers/staging/rts5139/Kconfig @@ -0,0 +1,16 @@ +config RTS5139 + tristate "Realtek RTS5139 USB card reader support" + depends on USB_SUPPORT && SCSI + help + Say Y here to include driver code to support the Realtek + RTS5139 USB card readers. + + If this driver is compiled as a module, it will be named rts5139. + +config RTS5139_DEBUG + bool "Realtek RTS5139 Card Reader verbose debug" + depends on RTS5139 + help + Say Y here in order to have the rts5139 code generate + verbose debugging messages. + diff --git a/drivers/staging/rts5139/Makefile b/drivers/staging/rts5139/Makefile new file mode 100644 index 0000000..82b8958 --- /dev/null +++ b/drivers/staging/rts5139/Makefile @@ -0,0 +1,37 @@ +# Driver for Realtek RTS51xx USB card reader +# +# Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2, or (at your option) any +# later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, see <http://www.gnu.org/licenses/>. +# +# Author: +# wwang (wei_wang@xxxxxxxxxxxxxx) +# No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China +# Maintainer: +# Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) +# No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China +# +# Makefile for the RTS51xx USB Card Reader drivers. +# + +TARGET_MODULE := rts5139 + +EXTRA_CFLAGS := -Idrivers/scsi -I$(PWD) + +obj-m += $(TARGET_MODULE).o + +common-obj := rts51x_transport.o rts51x_scsi.o rts51x_fop.o + +$(TARGET_MODULE)-objs := $(common-obj) rts51x.o rts51x_chip.o rts51x_card.o \ + xd.o sd.o ms.o sd_cprm.o ms_mg.o diff --git a/drivers/staging/rts5139/TODO b/drivers/staging/rts5139/TODO new file mode 100644 index 0000000..4bde726 --- /dev/null +++ b/drivers/staging/rts5139/TODO @@ -0,0 +1,5 @@ +TODO: +- support more USB card reader of Realtek family +- use kernel coding style +- checkpatch.pl fixes + diff --git a/drivers/staging/rts5139/debug.h b/drivers/staging/rts5139/debug.h new file mode 100644 index 0000000..73dec13 --- /dev/null +++ b/drivers/staging/rts5139/debug.h @@ -0,0 +1,46 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_DEBUG_H +#define __RTS51X_DEBUG_H + +#include <linux/kernel.h> + +#define RTS51X_TIP "rts51x: " + +#ifdef CONFIG_RTS5139_DEBUG +#define RTS51X_DEBUGP(x...) printk(KERN_DEBUG RTS51X_TIP x) +#define RTS51X_DEBUGPN(x...) printk(KERN_DEBUG x) +#define RTS51X_DEBUGPX(x...) printk(x) +#define RTS51X_DEBUG(x) x +#else +#define RTS51X_DEBUGP(x...) +#define RTS51X_DEBUGPN(x...) +#define RTS51X_DEBUGPX(x...) +#define RTS51X_DEBUG(x) +#endif + +#endif /* __RTS51X_DEBUG_H */ diff --git a/drivers/staging/rts5139/ms.c b/drivers/staging/rts5139/ms.c new file mode 100644 index 0000000..63f191d --- /dev/null +++ b/drivers/staging/rts5139/ms.c @@ -0,0 +1,4190 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#include <linux/blkdev.h> +#include <linux/kthread.h> +#include <linux/sched.h> +#include <linux/slab.h> + +#include "debug.h" +#include "trace.h" +#include "rts51x.h" +#include "rts51x_transport.h" +#include "rts51x_scsi.h" +#include "rts51x_card.h" +#include "ms.h" + +static inline void ms_set_err_code(struct rts51x_chip *chip, u8 err_code) +{ + struct ms_info *ms_card = &(chip->ms_card); + + ms_card->err_code = err_code; +} + +static inline int ms_check_err_code(struct rts51x_chip *chip, u8 err_code) +{ + struct ms_info *ms_card = &(chip->ms_card); + + return (ms_card->err_code == err_code); +} + +static int ms_parse_err_code(struct rts51x_chip *chip) +{ + TRACE_RET(chip, STATUS_FAIL); +} + +static int ms_transfer_tpc(struct rts51x_chip *chip, u8 trans_mode, u8 tpc, + u8 cnt, u8 cfg) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + + RTS51X_DEBUGP("ms_transfer_tpc: tpc = 0x%x\n", tpc); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, tpc); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BYTE_CNT, 0xFF, cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, cfg); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF, + MS_TRANSFER_START | trans_mode); + rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END, + MS_TRANSFER_END); + + rts51x_add_cmd(chip, READ_REG_CMD, MS_TRANS_CFG, 0, 0); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 2, 5000); + if (CHECK_MS_TRANS_FAIL(chip, retval)) { + rts51x_clear_ms_error(chip); + ms_set_err_code(chip, MS_TO_ERROR); + TRACE_RET(chip, ms_parse_err_code(chip)); + } + + if (!(tpc & 0x08)) { /* Read Packet */ + /* Check CRC16 & Ready Timeout */ + if (chip->rsp_buf[1] & MS_CRC16_ERR) { + ms_set_err_code(chip, MS_CRC16_ERROR); + TRACE_RET(chip, ms_parse_err_code(chip)); + } + } else { /* Write Packet */ + if (CHK_MSPRO(ms_card) && !(chip->rsp_buf[1] & 0x80)) { + if (chip->rsp_buf[1] & (MS_INT_ERR | MS_INT_CMDNK)) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, ms_parse_err_code(chip)); + } + } + } + + /* Check Timeout of Ready Signal */ + if (chip->rsp_buf[1] & MS_RDY_TIMEOUT) { + rts51x_clear_ms_error(chip); + ms_set_err_code(chip, MS_TO_ERROR); + TRACE_RET(chip, ms_parse_err_code(chip)); + } + + return STATUS_SUCCESS; +} + +int ms_transfer_data(struct rts51x_chip *chip, u8 trans_mode, u8 tpc, + u16 sec_cnt, u8 cfg, int mode_2k, int use_sg, void *buf, + int buf_len) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + u8 val, err_code = 0, flag = 0; + enum dma_data_direction dir; + unsigned int pipe; + + if (!buf || !buf_len) + TRACE_RET(chip, STATUS_FAIL); + + if (trans_mode == MS_TM_AUTO_READ) { + pipe = RCV_BULK_PIPE(chip); + dir = DMA_FROM_DEVICE; + flag = MODE_CDIR; + err_code = MS_FLASH_READ_ERROR; + } else if (trans_mode == MS_TM_AUTO_WRITE) { + pipe = SND_BULK_PIPE(chip); + dir = DMA_TO_DEVICE; + flag = MODE_CDOR; + err_code = MS_FLASH_WRITE_ERROR; + } else { + TRACE_RET(chip, STATUS_FAIL); + } + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, tpc); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_H, 0xFF, + (u8) (sec_cnt >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_L, 0xFF, + (u8) sec_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, cfg); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + RING_BUFFER); + + if (mode_2k) + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_CFG, MS_2K_SECTOR_MODE, + MS_2K_SECTOR_MODE); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_CFG, MS_2K_SECTOR_MODE, + 0); + + trans_dma_enable(dir, chip, sec_cnt * 512, DMA_512); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF, + MS_TRANSFER_START | trans_mode); + rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END, + MS_TRANSFER_END); + + retval = rts51x_send_cmd(chip, flag | STAGE_MS_STATUS, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = + rts51x_transfer_data_rcc(chip, pipe, buf, buf_len, use_sg, NULL, + 15000, flag); + if (retval != STATUS_SUCCESS) { + ms_set_err_code(chip, err_code); + rts51x_clear_ms_error(chip); + TRACE_RET(chip, retval); + } + + retval = rts51x_get_rsp(chip, 3, 15000); + if (CHECK_MS_TRANS_FAIL(chip, retval)) { + ms_set_err_code(chip, err_code); + rts51x_clear_ms_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + + ms_card->last_rw_int = val = chip->rsp_buf[1]; + if (val & (MS_INT_CMDNK | MS_INT_ERR | MS_CRC16_ERR | MS_RDY_TIMEOUT)) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +int ms_write_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 *data, + int data_len) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + + if (!data || (data_len < cnt)) + TRACE_RET(chip, STATUS_ERROR); + + rts51x_init_cmd(chip); + + for (i = 0; i < cnt; i++) { + rts51x_add_cmd(chip, WRITE_REG_CMD, PPBUF_BASE2 + i, 0xFF, + data[i]); + } + if (cnt % 2) + rts51x_add_cmd(chip, WRITE_REG_CMD, PPBUF_BASE2 + i, + 0xFF, 0xFF); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, tpc); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BYTE_CNT, 0xFF, cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, cfg); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF, + MS_TRANSFER_START | MS_TM_WRITE_BYTES); + rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END, + MS_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 1, 5000); + if (CHECK_MS_TRANS_FAIL(chip, retval)) { + u8 val = 0; + + rts51x_ep0_read_register(chip, MS_TRANS_CFG, &val); + RTS51X_DEBUGP("MS_TRANS_CFG: 0x%02x\n", val); + + rts51x_clear_ms_error(chip); + + if (!(tpc & 0x08)) { /* Read Packet */ + /* Check CRC16 & Ready Timeout */ + if (val & MS_CRC16_ERR) { + ms_set_err_code(chip, MS_CRC16_ERROR); + TRACE_RET(chip, ms_parse_err_code(chip)); + } + } else { /* Write Packet */ + if (CHK_MSPRO(ms_card) && !(val & 0x80)) { + if (val & (MS_INT_ERR | MS_INT_CMDNK)) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, + ms_parse_err_code(chip)); + } + } + } + + /* Check Timeout of Ready Signal */ + if (val & MS_RDY_TIMEOUT) { + ms_set_err_code(chip, MS_TO_ERROR); + TRACE_RET(chip, ms_parse_err_code(chip)); + } + + ms_set_err_code(chip, MS_TO_ERROR); + TRACE_RET(chip, ms_parse_err_code(chip)); + } + + return STATUS_SUCCESS; +} + +int ms_read_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 *data, + int data_len) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + + if (!data) + TRACE_RET(chip, STATUS_ERROR); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, tpc); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BYTE_CNT, 0xFF, cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, cfg); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF, + MS_TRANSFER_START | MS_TM_READ_BYTES); + rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END, + MS_TRANSFER_END); + + for (i = 0; i < data_len - 1; i++) + rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + i, 0, 0); + + if (data_len % 2) + rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + data_len, 0, + 0); + else + rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + data_len - 1, + 0, 0); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, data_len + 1, 5000); + if (CHECK_MS_TRANS_FAIL(chip, retval)) { + u8 val = 0; + + rts51x_ep0_read_register(chip, MS_TRANS_CFG, &val); + RTS51X_DEBUGP("MS_TRANS_CFG: 0x%02x\n", val); + + rts51x_clear_ms_error(chip); + + if (!(tpc & 0x08)) { /* Read Packet */ + /* Check CRC16 & Ready Timeout */ + if (val & MS_CRC16_ERR) { + ms_set_err_code(chip, MS_CRC16_ERROR); + TRACE_RET(chip, ms_parse_err_code(chip)); + } + } else { /* Write Packet */ + if (CHK_MSPRO(ms_card) && !(val & 0x80)) { + if (val & (MS_INT_ERR | MS_INT_CMDNK)) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, + ms_parse_err_code(chip)); + } + } + } + + /* Check Timeout of Ready Signal */ + if (val & MS_RDY_TIMEOUT) { + ms_set_err_code(chip, MS_TO_ERROR); + TRACE_RET(chip, ms_parse_err_code(chip)); + } + + ms_set_err_code(chip, MS_TO_ERROR); + TRACE_RET(chip, ms_parse_err_code(chip)); + } + + rts51x_read_rsp_buf(chip, 1, data, data_len); + + return STATUS_SUCCESS; +} + +int ms_set_rw_reg_addr(struct rts51x_chip *chip, + u8 read_start, u8 read_cnt, u8 write_start, u8 write_cnt) +{ + int retval, i; + u8 data[4]; + + data[0] = read_start; + data[1] = read_cnt; + data[2] = write_start; + data[3] = write_cnt; + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_write_bytes(chip, SET_RW_REG_ADRS, 4, NO_WAIT_INT, data, + 4); + if (retval == STATUS_SUCCESS) + return STATUS_SUCCESS; + rts51x_clear_ms_error(chip); + } + + TRACE_RET(chip, STATUS_FAIL); +} + +static int ms_send_cmd(struct rts51x_chip *chip, u8 cmd, u8 cfg) +{ + u8 data[2]; + + data[0] = cmd; + data[1] = 0; + + return ms_write_bytes(chip, PRO_SET_CMD, 1, cfg, data, 1); +} + +static int ms_set_cmd(struct rts51x_chip *chip, + u8 read_start, u8 read_count, + u8 write_start, u8 write_count, + u8 cmd, u8 cfg, u8 *data, int data_len, u8 *int_stat) +{ + int retval, i; + u8 val; + + if (!data || (data_len <= 0) || (data_len > 128)) { + RTS51X_DEBUGP("ms_set_cmd (data_len = %d)\n", data_len); + TRACE_RET(chip, STATUS_FAIL); + } + + retval = + ms_set_rw_reg_addr(chip, read_start, read_count, write_start, + write_count); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_write_bytes(chip, WRITE_REG, write_count, NO_WAIT_INT, + data, data_len); + if (retval == STATUS_SUCCESS) + break; + } + if (i == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + + ms_set_err_code(chip, MS_NO_ERROR); + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = ms_send_cmd(chip, cmd, WAIT_INT); + if (retval == STATUS_SUCCESS) + break; + } + if (i == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + /* GET_INT Register */ + ms_set_err_code(chip, MS_NO_ERROR); + retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (int_stat) + *int_stat = val; + + return STATUS_SUCCESS; +} + +#ifdef MS_SPEEDUP +static int ms_auto_set_cmd(struct rts51x_chip *chip, + u8 read_start, u8 read_count, + u8 write_start, u8 write_count, + u8 cmd, u8 cfg, u8 *data, int data_len, + u8 *int_stat) +{ + int retval; + int i; + + if (!data || (data_len <= 0) || (data_len > 128)) { + RTS51X_DEBUGP("ms_auto_set_cmd (data_len = %d)\n", data_len); + TRACE_RET(chip, STATUS_FAIL); + } + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_READ_START, 0xFF, read_start); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_READ_COUNT, 0xFF, read_count); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_WRITE_START, 0xFF, write_start); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_WRITE_COUNT, 0xFF, write_count); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_COMMAND, 0xFF, cmd); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, cfg); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + + for (i = 0; i < data_len; i++) { + rts51x_add_cmd(chip, WRITE_REG_CMD, PPBUF_BASE2 + i, 0xFF, + data[i]); + } + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF, + MS_TRANSFER_START | MS_TM_SET_CMD); + rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END, + MS_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR | STAGE_MS_STATUS, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 3, 5000); + + if (CHECK_MS_TRANS_FAIL(chip, retval)) { + rts51x_clear_ms_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + + if (int_stat) + *int_stat = chip->rsp_buf[2]; + + return STATUS_SUCCESS; +} +#endif + +static int ms_set_init_para(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + + if (CHK_HG8BIT(ms_card)) { + if (chip->asic_code) + ms_card->ms_clock = chip->option.asic_ms_hg_clk; + else + ms_card->ms_clock = chip->option.fpga_ms_hg_clk; + } else if (CHK_MSPRO(ms_card) || CHK_MS4BIT(ms_card)) { + if (chip->asic_code) + ms_card->ms_clock = chip->option.asic_ms_4bit_clk; + else + ms_card->ms_clock = chip->option.fpga_ms_4bit_clk; + } else { + if (chip->asic_code) + ms_card->ms_clock = 38; + else + ms_card->ms_clock = CLK_40; + } + + retval = switch_clock(chip, ms_card->ms_clock); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_select_card(chip, MS_CARD); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +int ms_switch_clock(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + + retval = rts51x_select_card(chip, MS_CARD); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = switch_clock(chip, ms_card->ms_clock); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +static void ms_pull_ctl_disable(struct rts51x_chip *chip) +{ + if (CHECK_PKG(chip, LQFP48)) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5); + } else { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x65); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x56); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59); + } +} + +static void ms_pull_ctl_enable(struct rts51x_chip *chip) +{ + if (CHECK_PKG(chip, LQFP48)) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5); + } else { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x65); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59); + } +} + +static int ms_prepare_reset(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + + ms_card->ms_type = 0; + ms_card->check_ms_flow = 0; + ms_card->switch_8bit_fail = 0; + ms_card->delay_write.delay_write_flag = 0; + + ms_card->pro_under_formatting = 0; + + rts51x_init_cmd(chip); + + if (chip->asic_code) { + ms_pull_ctl_enable(chip); + } else { + rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, + FPGA_MS_PULL_CTL_BIT | 0x20, 0); + } + /* Tri-state MS output */ + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, MS_OUTPUT_EN, 0); + + if (!chip->option.FT2_fast_mode) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK, + POWER_OFF); + } + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (!chip->option.FT2_fast_mode) { + wait_timeout(250); + + card_power_on(chip, MS_CARD); + wait_timeout(150); + +#ifdef SUPPORT_OCP + rts51x_get_card_status(chip, &(chip->card_status)); + /* get OCP status */ + chip->ocp_stat = (chip->card_status >> 4) & 0x03; + + if (chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) { + RTS51X_DEBUGP("Over current, OCPSTAT is 0x%x\n", + chip->ocp_stat); + TRACE_RET(chip, STATUS_FAIL); + } +#endif + } + + rts51x_init_cmd(chip); + + /* Enable MS Output */ + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, MS_OUTPUT_EN, + MS_OUTPUT_EN); + + /* Reset Registers */ + if (chip->asic_code) + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_CFG, 0xFF, + SAMPLE_TIME_RISING | PUSH_TIME_DEFAULT | + NO_EXTEND_TOGGLE | MS_BUS_WIDTH_1); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_CFG, 0xFF, + SAMPLE_TIME_FALLING | PUSH_TIME_DEFAULT | + NO_EXTEND_TOGGLE | MS_BUS_WIDTH_1); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, + NO_WAIT_INT | NO_AUTO_READ_INT_REG); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return ms_set_init_para(chip); +} + +static int ms_identify_media_type(struct rts51x_chip *chip, int switch_8bit_bus) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + u8 val; + + retval = ms_set_rw_reg_addr(chip, Pro_StatusReg, 6, SystemParm, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + /* Get Register form MS-PRO card */ + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_transfer_tpc(chip, MS_TM_READ_BYTES, READ_REG, 6, + NO_WAIT_INT); + if (retval == STATUS_SUCCESS) + break; + } + if (i == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + + RTS51X_READ_REG(chip, PPBUF_BASE2 + 2, &val); + RTS51X_DEBUGP("Type register: 0x%x\n", val); + if (val != 0x01) { + if (val != 0x02) + ms_card->check_ms_flow = 1; + TRACE_RET(chip, STATUS_FAIL); + } + /* Category Register */ + RTS51X_READ_REG(chip, PPBUF_BASE2 + 4, &val); + RTS51X_DEBUGP("Category register: 0x%x\n", val); + if (val != 0) { + ms_card->check_ms_flow = 1; + TRACE_RET(chip, STATUS_FAIL); + } + /* Class Register */ + RTS51X_READ_REG(chip, PPBUF_BASE2 + 5, &val); + RTS51X_DEBUGP("Class register: 0x%x\n", val); + if (val == 0) { + RTS51X_READ_REG(chip, PPBUF_BASE2, &val); + if (val & WRT_PRTCT) + chip->card_wp |= MS_CARD; + else + chip->card_wp &= ~MS_CARD; + } else if ((val == 0x01) || (val == 0x02) || (val == 0x03)) { + chip->card_wp |= MS_CARD; + } else { + ms_card->check_ms_flow = 1; + TRACE_RET(chip, STATUS_FAIL); + } + + ms_card->ms_type |= TYPE_MSPRO; + + /* Check MSPro-HG Card, use IF Mode Register to distinguish */ + RTS51X_READ_REG(chip, PPBUF_BASE2 + 3, &val); + RTS51X_DEBUGP("IF Mode register: 0x%x\n", val); + if (val == 0) { + ms_card->ms_type &= 0x0F; + } else if (val == 7) { + if (switch_8bit_bus) + ms_card->ms_type |= MS_HG; + else + ms_card->ms_type &= 0x0F; + } else { + TRACE_RET(chip, STATUS_FAIL); + } + + /* end Procedure to identify Media Type */ + return STATUS_SUCCESS; +} + +static int ms_confirm_cpu_startup(struct rts51x_chip *chip) +{ + int retval, i, k; + u8 val; + + /* Confirm CPU StartUp */ + k = 0; + do { + if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) + TRACE_RET(chip, STATUS_FAIL); + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, + 1); + if (retval == STATUS_SUCCESS) + break; + } + if (i == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + + if (k > 100) + TRACE_RET(chip, STATUS_FAIL); + k++; + wait_timeout(100); + } while (!(val & INT_REG_CED)); + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1); + if (retval == STATUS_SUCCESS) + break; + } + if (i == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + + if (val & INT_REG_ERR) { + if (val & INT_REG_CMDNK) { /* CMDNK = 1 */ + chip->card_wp |= (MS_CARD); + } else { /* CMDNK = 0 */ + TRACE_RET(chip, STATUS_FAIL); + } + } + /*-- end confirm CPU startup */ + + return STATUS_SUCCESS; +} + +static int ms_switch_parallel_bus(struct rts51x_chip *chip) +{ + int retval, i; + u8 data[2]; + + data[0] = PARALLEL_4BIT_IF; + data[1] = 0; + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_write_bytes(chip, WRITE_REG, 1, NO_WAIT_INT, data, 2); + if (retval == STATUS_SUCCESS) + break; + } + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +static int ms_switch_8bit_bus(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + u8 data[2]; + + data[0] = PARALLEL_8BIT_IF; + data[1] = 0; + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_write_bytes(chip, WRITE_REG, 1, NO_WAIT_INT, data, 2); + if (retval == STATUS_SUCCESS) + break; + } + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + RTS51X_WRITE_REG(chip, MS_CFG, 0x98, + MS_BUS_WIDTH_8 | SAMPLE_TIME_FALLING); + ms_card->ms_type |= MS_8BIT; + + retval = ms_set_init_para(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_transfer_tpc(chip, MS_TM_READ_BYTES, GET_INT, 1, + NO_WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +static int ms_pro_reset_flow(struct rts51x_chip *chip, int switch_8bit_bus) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + + for (i = 0; i < 3; i++) { + retval = ms_prepare_reset(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_identify_media_type(chip, switch_8bit_bus); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_confirm_cpu_startup(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_switch_parallel_bus(chip); + if (retval != STATUS_SUCCESS) { + if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) + TRACE_RET(chip, STATUS_FAIL); + continue; + } else { + break; + } + } + + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_WRITE_REG(chip, MS_CFG, 0x18, MS_BUS_WIDTH_4); + + RTS51X_WRITE_REG(chip, MS_CFG, PUSH_TIME_ODD, PUSH_TIME_ODD); + + retval = ms_set_init_para(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (CHK_MSHG(ms_card) && switch_8bit_bus) { + retval = ms_switch_8bit_bus(chip); + if (retval != STATUS_SUCCESS) { + ms_card->switch_8bit_fail = 1; + TRACE_RET(chip, retval); + } + } + + return STATUS_SUCCESS; +} + +#ifdef XC_POWERCLASS +static int msxc_change_power(struct rts51x_chip *chip, u8 mode) +{ + int retval; + u8 buf[6]; + + ms_cleanup_work(chip); + + /* Set Parameter Register */ + retval = ms_set_rw_reg_addr(chip, 0, 0, Pro_DataCount1, 6); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + buf[0] = 0; + buf[1] = mode; + buf[2] = 0; + buf[3] = 0; + buf[4] = 0; + buf[5] = 0; + + retval = ms_write_bytes(chip, PRO_WRITE_REG, 6, NO_WAIT_INT, buf, 6); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_send_cmd(chip, XC_CHG_POWER, WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_READ_REG(chip, MS_TRANS_CFG, buf); + if (buf[0] & (MS_INT_CMDNK | MS_INT_ERR)) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} +#endif + +static int ms_read_attribute_info(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + u8 val, *buf, class_code, device_type, sub_class, data[16]; + u16 total_blk = 0, blk_size = 0; +#ifdef SUPPORT_MSXC + u32 xc_total_blk = 0, xc_blk_size = 0; +#endif + u32 sys_info_addr = 0, sys_info_size; +#ifdef SUPPORT_PCGL_1P18 + u32 model_name_addr = 0, model_name_size; + int found_sys_info = 0, found_model_name = 0; +#endif + + retval = ms_set_rw_reg_addr(chip, Pro_IntReg, 2, Pro_SystemParm, 7); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (CHK_MS8BIT(ms_card)) + data[0] = PARALLEL_8BIT_IF; + else + data[0] = PARALLEL_4BIT_IF; + data[1] = 0; + + data[2] = 0x40; + data[3] = 0; + data[4] = 0; + data[5] = 0; + /* Start address 0 */ + data[6] = 0; + data[7] = 0; + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_write_bytes(chip, PRO_WRITE_REG, 7, NO_WAIT_INT, data, + 8); + if (retval == STATUS_SUCCESS) + break; + } + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + buf = kmalloc(64 * 512, GFP_KERNEL); + if (buf == NULL) + TRACE_RET(chip, STATUS_NOMEM); + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = ms_send_cmd(chip, PRO_READ_ATRB, WAIT_INT); + if (retval != STATUS_SUCCESS) + continue; + + retval = rts51x_read_register(chip, MS_TRANS_CFG, &val); + if (retval != STATUS_SUCCESS) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + if (!(val & MS_INT_BREQ)) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + + retval = + ms_transfer_data(chip, MS_TM_AUTO_READ, PRO_READ_LONG_DATA, + 0x40, WAIT_INT, 0, 0, buf, 64 * 512); + if (retval == STATUS_SUCCESS) + break; + else + rts51x_clear_ms_error(chip); + } + if (retval != STATUS_SUCCESS) { + kfree(buf); + TRACE_RET(chip, retval); + } + + i = 0; + do { + retval = rts51x_read_register(chip, MS_TRANS_CFG, &val); + if (retval != STATUS_SUCCESS) { + kfree(buf); + TRACE_RET(chip, retval); + } + + if ((val & MS_INT_CED) || !(val & MS_INT_BREQ)) + break; + + retval = + ms_transfer_tpc(chip, MS_TM_NORMAL_READ, PRO_READ_LONG_DATA, + 0, WAIT_INT); + if (retval != STATUS_SUCCESS) { + kfree(buf); + TRACE_RET(chip, retval); + } + + i++; + } while (i < 1024); + + if (retval != STATUS_SUCCESS) { + kfree(buf); + TRACE_RET(chip, retval); + } + + if ((buf[0] != 0xa5) && (buf[1] != 0xc3)) { + /* Signature code is wrong */ + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + + if ((buf[4] < 1) || (buf[4] > 12)) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + + for (i = 0; i < buf[4]; i++) { + int cur_addr_off = 16 + i * 12; + +#ifdef SUPPORT_MSXC + if ((buf[cur_addr_off + 8] == 0x10) + || (buf[cur_addr_off + 8] == 0x13)) { +#else + if (buf[cur_addr_off + 8] == 0x10) { +#endif + sys_info_addr = ((u32) buf[cur_addr_off + 0] << 24) | + ((u32) buf[cur_addr_off + 1] << 16) | + ((u32) buf[cur_addr_off + 2] << 8) | + buf[cur_addr_off + 3]; + sys_info_size = + ((u32) buf[cur_addr_off + 4] << 24) | + ((u32) buf[cur_addr_off + 5] << 16) | + ((u32) buf[cur_addr_off + 6] << 8) | + buf[cur_addr_off + 7]; + RTS51X_DEBUGP("sys_info_addr = 0x%x," + "sys_info_size = 0x%x\n", + sys_info_addr, sys_info_size); + if (sys_info_size != 96) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + if (sys_info_addr < 0x1A0) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + if ((sys_info_size + sys_info_addr) > 0x8000) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } +#ifdef SUPPORT_MSXC + if (buf[cur_addr_off + 8] == 0x13) + ms_card->ms_type |= MS_XC; +#endif +#ifdef SUPPORT_PCGL_1P18 + found_sys_info = 1; +#else + break; +#endif + } +#ifdef SUPPORT_PCGL_1P18 + if (buf[cur_addr_off + 8] == 0x15) { + model_name_addr = ((u32) buf[cur_addr_off + 0] << 24) | + ((u32) buf[cur_addr_off + 1] << 16) | + ((u32) buf[cur_addr_off + 2] << 8) | + buf[cur_addr_off + 3]; + model_name_size = + ((u32) buf[cur_addr_off + 4] << 24) | + ((u32) buf[cur_addr_off + 5] << 16) | + ((u32) buf[cur_addr_off + 6] << 8) | + buf[cur_addr_off + 7]; + RTS51X_DEBUGP("model_name_addr = 0x%x," + "model_name_size = 0x%x\n", + model_name_addr, model_name_size); + if (model_name_size != 48) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + if (model_name_addr < 0x1A0) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + if ((model_name_size + model_name_addr) > 0x8000) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + + found_model_name = 1; + } + + if (found_sys_info && found_model_name) + break; +#endif + } + + if (i == buf[4]) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + + class_code = buf[sys_info_addr + 0]; + device_type = buf[sys_info_addr + 56]; + sub_class = buf[sys_info_addr + 46]; +#ifdef SUPPORT_MSXC + if (CHK_MSXC(ms_card)) { + xc_total_blk = ((u32) buf[sys_info_addr + 6] << 24) | + ((u32) buf[sys_info_addr + 7] << 16) | + ((u32) buf[sys_info_addr + 8] << 8) | + buf[sys_info_addr + 9]; + xc_blk_size = ((u32) buf[sys_info_addr + 32] << 24) | + ((u32) buf[sys_info_addr + 33] << 16) | + ((u32) buf[sys_info_addr + 34] << 8) | + buf[sys_info_addr + 35]; + RTS51X_DEBUGP("xc_total_blk = 0x%x, xc_blk_size = 0x%x\n", + xc_total_blk, xc_blk_size); + } else { + total_blk = + ((u16) buf[sys_info_addr + 6] << 8) | buf[sys_info_addr + + 7]; + blk_size = + ((u16) buf[sys_info_addr + 2] << 8) | buf[sys_info_addr + + 3]; + RTS51X_DEBUGP("total_blk = 0x%x, blk_size = 0x%x\n", total_blk, + blk_size); + } +#else + total_blk = + ((u16) buf[sys_info_addr + 6] << 8) | buf[sys_info_addr + 7]; + blk_size = ((u16) buf[sys_info_addr + 2] << 8) | buf[sys_info_addr + 3]; + RTS51X_DEBUGP("total_blk = 0x%x, blk_size = 0x%x\n", total_blk, + blk_size); +#endif + + RTS51X_DEBUGP("class_code = 0x%x, device_type = 0x%x," + "sub_class = 0x%x\n", + class_code, device_type, sub_class); + + memcpy(ms_card->raw_sys_info, buf + sys_info_addr, 96); +#ifdef SUPPORT_PCGL_1P18 + memcpy(ms_card->raw_model_name, buf + model_name_addr, 48); +#endif + + kfree(buf); + + /* Confirm System Information */ +#ifdef SUPPORT_MSXC + if (CHK_MSXC(ms_card)) { + if (class_code != 0x03) + TRACE_RET(chip, STATUS_FAIL); + } else { + if (class_code != 0x02) + TRACE_RET(chip, STATUS_FAIL); + } +#else + if (class_code != 0x02) + TRACE_RET(chip, STATUS_FAIL); +#endif + + if (device_type != 0x00) { + if ((device_type == 0x01) || (device_type == 0x02) + || (device_type == 0x03)) + chip->card_wp |= MS_CARD; + else + TRACE_RET(chip, STATUS_FAIL); + } + if (sub_class & 0xC0) + TRACE_RET(chip, STATUS_FAIL); + + RTS51X_DEBUGP("class_code: 0x%x, device_type: 0x%x, sub_class: 0x%x\n", + class_code, device_type, sub_class); + +#ifdef SUPPORT_MSXC + if (CHK_MSXC(ms_card)) { + chip->capacity[chip->card2lun[MS_CARD]] = ms_card->capacity = + xc_total_blk * xc_blk_size; + } else { + chip->capacity[chip->card2lun[MS_CARD]] = ms_card->capacity = + total_blk * blk_size; + } +#else + chip->capacity[chip->card2lun[MS_CARD]] = ms_card->capacity = + total_blk * blk_size; +#endif + + return STATUS_SUCCESS; +} + +#ifdef SUPPORT_MAGIC_GATE +int mg_set_tpc_para_sub(struct rts51x_chip *chip, int type, u8 mg_entry_num); +#endif + +static int reset_ms_pro(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; +#ifdef XC_POWERCLASS + u8 change_power_class = 2; +#endif + +#ifdef XC_POWERCLASS +Retry: +#endif + retval = ms_pro_reset_flow(chip, 1); + if (retval != STATUS_SUCCESS) { + if (ms_card->switch_8bit_fail) { + retval = ms_pro_reset_flow(chip, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } else { + TRACE_RET(chip, retval); + } + } + + retval = ms_read_attribute_info(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); +#ifdef XC_POWERCLASS + if (CHK_HG8BIT(ms_card)) + change_power_class = 0; + + if (change_power_class && CHK_MSXC(ms_card)) { + u8 power_class_mode = (ms_card->raw_sys_info[46] & 0x18) >> 3; + RTS51X_DEBUGP("power_class_mode = 0x%x", power_class_mode); + if (change_power_class > power_class_mode) + change_power_class = power_class_mode; + if (change_power_class) { + retval = msxc_change_power(chip, change_power_class); + if (retval != STATUS_SUCCESS) { + change_power_class--; + goto Retry; + } + } + } +#endif + +#ifdef SUPPORT_MAGIC_GATE + retval = mg_set_tpc_para_sub(chip, 0, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); +#endif + + if (CHK_HG8BIT(ms_card)) + chip->card_bus_width[chip->card2lun[MS_CARD]] = 8; + else + chip->card_bus_width[chip->card2lun[MS_CARD]] = 4; + + return STATUS_SUCCESS; +} + +static int ms_read_status_reg(struct rts51x_chip *chip) +{ + int retval; + u8 val[2]; + + retval = ms_set_rw_reg_addr(chip, StatusReg0, 2, 0, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_read_bytes(chip, READ_REG, 2, NO_WAIT_INT, val, 2); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (val[1] & (STS_UCDT | STS_UCEX | STS_UCFG)) { + ms_set_err_code(chip, MS_FLASH_READ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +static int ms_check_boot_block(struct rts51x_chip *chip, u16 block_addr) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + u8 extra[MS_EXTRA_SIZE], data[10], val = 0; + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (block_addr >> 8); + data[3] = (u8) block_addr; + /* Page Number + * Extra data access mode */ + data[4] = 0x40; + data[5] = 0; + + retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6, + BLOCK_READ, WAIT_INT, data, 6, &val); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (val & INT_REG_CMDNK) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, STATUS_FAIL); + } + if (val & INT_REG_CED) { + if (val & INT_REG_ERR) { + retval = ms_read_status_reg(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + retval = + ms_set_rw_reg_addr(chip, OverwriteFlag, + MS_EXTRA_SIZE, SystemParm, 6); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + } + + retval = + ms_read_bytes(chip, READ_REG, MS_EXTRA_SIZE, NO_WAIT_INT, extra, + MS_EXTRA_SIZE); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (!(extra[0] & BLOCK_OK) || (extra[1] & NOT_BOOT_BLOCK)) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +static int ms_read_extra_data(struct rts51x_chip *chip, + u16 block_addr, u8 page_num, u8 *buf, + int buf_len) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + u8 val = 0, data[10]; + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (block_addr >> 8); + data[3] = (u8) block_addr; + /* Page Number + * Extra data access mode */ + data[4] = 0x40; + data[5] = page_num; + +#ifdef MS_SPEEDUP + retval = + ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6, + BLOCK_READ, WAIT_INT, data, 6, &val); +#else + retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6, + BLOCK_READ, WAIT_INT, data, 6, &val); +#endif + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (val & INT_REG_CMDNK) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, STATUS_FAIL); + } + if (val & INT_REG_CED) { + if (val & INT_REG_ERR) { + retval = ms_read_status_reg(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + retval = + ms_set_rw_reg_addr(chip, OverwriteFlag, + MS_EXTRA_SIZE, SystemParm, 6); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + } + + retval = + ms_read_bytes(chip, READ_REG, MS_EXTRA_SIZE, NO_WAIT_INT, data, + MS_EXTRA_SIZE); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (buf && buf_len) { + if (buf_len > MS_EXTRA_SIZE) + buf_len = MS_EXTRA_SIZE; + memcpy(buf, data, buf_len); + } + + return STATUS_SUCCESS; +} + +static int ms_write_extra_data(struct rts51x_chip *chip, + u16 block_addr, u8 page_num, u8 *buf, + int buf_len) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + u8 val = 0, data[16]; + + if (!buf || (buf_len < MS_EXTRA_SIZE)) + TRACE_RET(chip, STATUS_FAIL); + /* Write REG */ + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (block_addr >> 8); + data[3] = (u8) block_addr; + /* Page Number + * Extra data access mode */ + data[4] = 0x40; + data[5] = page_num; + + for (i = 6; i < MS_EXTRA_SIZE + 6; i++) + data[i] = buf[i - 6]; + +#ifdef MS_SPEEDUP + retval = + ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, + 6 + MS_EXTRA_SIZE, BLOCK_WRITE, WAIT_INT, data, 16, + &val); +#else + retval = + ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, + 6 + MS_EXTRA_SIZE, BLOCK_WRITE, WAIT_INT, data, 16, + &val); +#endif + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (val & INT_REG_CMDNK) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, STATUS_FAIL); + } + if (val & INT_REG_CED) { + if (val & INT_REG_ERR) { + ms_set_err_code(chip, MS_FLASH_WRITE_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + return STATUS_SUCCESS; +} + +static int ms_read_page(struct rts51x_chip *chip, u16 block_addr, u8 page_num) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + u8 val = 0, data[6]; + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (block_addr >> 8); + data[3] = (u8) block_addr; + /* Page Number + * Single page access mode */ + data[4] = 0x20; + data[5] = page_num; + + retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6, + BLOCK_READ, WAIT_INT, data, 6, &val); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (val & INT_REG_CMDNK) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, STATUS_FAIL); + } + + if (val & INT_REG_CED) { + if (val & INT_REG_ERR) { + if (!(val & INT_REG_BREQ)) { + ms_set_err_code(chip, MS_FLASH_READ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + retval = ms_read_status_reg(chip); + if (retval != STATUS_SUCCESS) + ms_set_err_code(chip, MS_FLASH_WRITE_ERROR); + } else { + if (!(val & INT_REG_BREQ)) { + ms_set_err_code(chip, MS_BREQ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + } + + retval = + ms_transfer_tpc(chip, MS_TM_NORMAL_READ, READ_PAGE_DATA, 0, + NO_WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (ms_check_err_code(chip, MS_FLASH_WRITE_ERROR)) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +static int ms_set_bad_block(struct rts51x_chip *chip, u16 phy_blk) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + u8 val = 0, data[8], extra[MS_EXTRA_SIZE]; + + retval = ms_read_extra_data(chip, phy_blk, 0, extra, MS_EXTRA_SIZE); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + ms_set_err_code(chip, MS_NO_ERROR); + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (phy_blk >> 8); + data[3] = (u8) phy_blk; + data[4] = 0x80; + data[5] = 0; + data[6] = extra[0] & 0x7F; + data[7] = 0xFF; + +#ifdef MS_SPEEDUP + retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 7, + BLOCK_WRITE, WAIT_INT, data, 7, &val); +#else + retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 7, + BLOCK_WRITE, WAIT_INT, data, 7, &val); +#endif + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (val & INT_REG_CMDNK) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, STATUS_FAIL); + } + + if (val & INT_REG_CED) { + if (val & INT_REG_ERR) { + ms_set_err_code(chip, MS_FLASH_WRITE_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + return STATUS_SUCCESS; +} + +static int ms_erase_block(struct rts51x_chip *chip, u16 phy_blk) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i = 0; + u8 val = 0, data[6]; + + retval = + ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, + 6); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + ms_set_err_code(chip, MS_NO_ERROR); + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (phy_blk >> 8); + data[3] = (u8) phy_blk; + data[4] = 0; + data[5] = 0; + +ERASE_RTY: +#ifdef MS_SPEEDUP + retval = + ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6, + BLOCK_ERASE, WAIT_INT, data, 6, &val); +#else + retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6, + BLOCK_ERASE, WAIT_INT, data, 6, &val); +#endif + + if (val & INT_REG_CMDNK) { + if (i < 3) { + i++; + goto ERASE_RTY; + } + ms_set_err_code(chip, MS_CMD_NK); + ms_set_bad_block(chip, phy_blk); + TRACE_RET(chip, STATUS_FAIL); + } + + if (val & INT_REG_CED) { + if (val & INT_REG_ERR) { + ms_set_err_code(chip, MS_FLASH_WRITE_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + return STATUS_SUCCESS; +} + +static void ms_set_page_status(u16 log_blk, u8 type, u8 *extra, int extra_len) +{ + if (!extra || (extra_len < MS_EXTRA_SIZE)) + return; + + memset(extra, 0xFF, MS_EXTRA_SIZE); + + if (type == setPS_NG) + extra[0] = 0xB8; + else + extra[0] = 0x98; + + extra[2] = (u8) (log_blk >> 8); + extra[3] = (u8) log_blk; +} + +static int ms_init_page(struct rts51x_chip *chip, u16 phy_blk, u16 log_blk, + u8 start_page, u8 end_page) +{ + int retval; + u8 extra[MS_EXTRA_SIZE], i; + + memset(extra, 0xff, MS_EXTRA_SIZE); + + extra[0] = 0xf8; /* Block, page OK, data erased */ + extra[1] = 0xff; + extra[2] = (u8) (log_blk >> 8); + extra[3] = (u8) log_blk; + + for (i = start_page; i < end_page; i++) { + if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) + TRACE_RET(chip, STATUS_FAIL); + + retval = + ms_write_extra_data(chip, phy_blk, i, extra, MS_EXTRA_SIZE); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +static int ms_copy_page(struct rts51x_chip *chip, u16 old_blk, u16 new_blk, + u16 log_blk, u8 start_page, u8 end_page) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, rty_cnt, uncorrect_flag = 0; + u8 extra[MS_EXTRA_SIZE], val, i, j, data[16]; + + RTS51X_DEBUGP("Copy page from 0x%x to 0x%x, logical block is 0x%x\n", + old_blk, new_blk, log_blk); + RTS51X_DEBUGP("start_page = %d, end_page = %d\n", start_page, + end_page); + + retval = ms_read_extra_data(chip, new_blk, 0, extra, MS_EXTRA_SIZE); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_read_status_reg(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_READ_REG(chip, PPBUF_BASE2, &val); + + if (val & BUF_FULL) { + /* Clear Buffer */ + retval = ms_send_cmd(chip, CLEAR_BUF, WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* GET_INT Register */ + retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (!(val & INT_REG_CED)) { + ms_set_err_code(chip, MS_FLASH_WRITE_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + for (i = start_page; i < end_page; i++) { + if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) + TRACE_RET(chip, STATUS_FAIL); + + ms_read_extra_data(chip, old_blk, i, extra, MS_EXTRA_SIZE); + + retval = + ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE, + SystemParm, 6); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* Write REG */ + ms_set_err_code(chip, MS_NO_ERROR); + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (old_blk >> 8); + data[3] = (u8) old_blk; + data[4] = 0x20; + data[5] = i; + + retval = + ms_write_bytes(chip, WRITE_REG, 6, NO_WAIT_INT, data, 6); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_send_cmd(chip, BLOCK_READ, WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + ms_set_err_code(chip, MS_NO_ERROR); + retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (val & INT_REG_CMDNK) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, STATUS_FAIL); + } + + if (val & INT_REG_CED) { + if (val & INT_REG_ERR) { + retval = ms_read_status_reg(chip); + if (retval != STATUS_SUCCESS) { + uncorrect_flag = 1; + RTS51X_DEBUGP("Uncorrectable" + "error\n"); + } else { + uncorrect_flag = 0; + } + + retval = + ms_transfer_tpc(chip, MS_TM_NORMAL_READ, + READ_PAGE_DATA, 0, NO_WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (uncorrect_flag) { + ms_set_page_status(log_blk, setPS_NG, + extra, MS_EXTRA_SIZE); + if (i == 0) + extra[0] &= 0xEF; + ms_write_extra_data(chip, old_blk, i, + extra, + MS_EXTRA_SIZE); + RTS51X_DEBUGP("page %d :" + "extra[0] = 0x%x\n", + i, extra[0]); + MS_SET_BAD_BLOCK_FLG(ms_card); + + ms_set_page_status(log_blk, setPS_Error, + extra, MS_EXTRA_SIZE); + ms_write_extra_data(chip, new_blk, i, + extra, MS_EXTRA_SIZE); + continue; + } + + for (rty_cnt = 0; rty_cnt < MS_MAX_RETRY_COUNT; + rty_cnt++) { + retval = + ms_transfer_tpc(chip, + MS_TM_NORMAL_WRITE, + WRITE_PAGE_DATA, 0, + NO_WAIT_INT); + if (retval == STATUS_SUCCESS) + break; + } + if (rty_cnt == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + } + + if (!(val & INT_REG_BREQ)) { + ms_set_err_code(chip, MS_BREQ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + retval = ms_set_rw_reg_addr(chip, OverwriteFlag, + MS_EXTRA_SIZE, SystemParm, + (6 + MS_EXTRA_SIZE)); + + /* Write REG */ + ms_set_err_code(chip, MS_NO_ERROR); + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (new_blk >> 8); + data[3] = (u8) new_blk; + data[4] = 0x20; + data[5] = i; + + /* for MS check procedure */ + if ((extra[0] & 0x60) != 0x60) + data[6] = extra[0]; + else + data[6] = 0xF8; + + data[6 + 1] = 0xFF; + data[6 + 2] = (u8) (log_blk >> 8); + data[6 + 3] = (u8) log_blk; + + for (j = 4; j <= MS_EXTRA_SIZE; j++) + data[6 + j] = 0xFF; + + retval = + ms_write_bytes(chip, WRITE_REG, (6 + MS_EXTRA_SIZE), + NO_WAIT_INT, data, 16); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_send_cmd(chip, BLOCK_WRITE, WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* GET_INT Register */ + ms_set_err_code(chip, MS_NO_ERROR); + retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (val & INT_REG_CMDNK) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, STATUS_FAIL); + } + + if (val & INT_REG_CED) { + if (val & INT_REG_ERR) { + ms_set_err_code(chip, MS_FLASH_WRITE_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + if (i == 0) { + retval = + ms_set_rw_reg_addr(chip, OverwriteFlag, + MS_EXTRA_SIZE, SystemParm, 7); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + ms_set_err_code(chip, MS_NO_ERROR); + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (old_blk >> 8); + data[3] = (u8) old_blk; + data[4] = 0x80; + data[5] = 0; + data[6] = 0xEF; + data[7] = 0xFF; + + retval = + ms_write_bytes(chip, WRITE_REG, 7, NO_WAIT_INT, + data, 8); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_send_cmd(chip, BLOCK_WRITE, WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + ms_set_err_code(chip, MS_NO_ERROR); + retval = + ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, + 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (val & INT_REG_CMDNK) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, STATUS_FAIL); + } + + if (val & INT_REG_CED) { + if (val & INT_REG_ERR) { + ms_set_err_code(chip, + MS_FLASH_WRITE_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + } + } + + return STATUS_SUCCESS; +} + +#ifdef MS_SPEEDUP +static int ms_auto_copy_page(struct rts51x_chip *chip, u16 old_blk, u16 new_blk, + u16 log_blk, u8 start_page, u8 end_page) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + u8 page_len, bus_width, val = 0; + u8 extra[MS_EXTRA_SIZE]; + + RTS51X_DEBUGP("Auto copy page from 0x%x to 0x%x," + "logical block is 0x%x\n", + old_blk, new_blk, log_blk); + RTS51X_DEBUGP("start_page = %d, end_page = %d\n", start_page, + end_page); + + page_len = end_page - start_page; + + retval = ms_read_extra_data(chip, new_blk, 0, extra, MS_EXTRA_SIZE); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_read_status_reg(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_READ_REG(chip, PPBUF_BASE2, &val); + + if (val & BUF_FULL) { + retval = ms_send_cmd(chip, CLEAR_BUF, WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (!(val & INT_REG_CED)) { + ms_set_err_code(chip, MS_FLASH_WRITE_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + bus_width = 0x88; + } else { + /* Serial interface */ + bus_width = 0x80; + } + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_OLD_BLOCK_0, 0xFF, (u8) old_blk); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_OLD_BLOCK_1, 0xFF, + (u8) (old_blk >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_NEW_BLOCK_0, 0xFF, (u8) new_blk); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_NEW_BLOCK_1, 0xFF, + (u8) (new_blk >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_LOG_BLOCK_0, 0xFF, (u8) log_blk); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_LOG_BLOCK_1, 0xFF, + (u8) (log_blk >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_PAGE_START, 0xFF, start_page); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_PAGE_LENGTH, 0xFF, page_len); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BUS_WIDTH, 0xFF, bus_width); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF, + MS_TRANSFER_START | MS_TM_COPY_PAGE); + rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END, + MS_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) { + rts51x_clear_ms_error(chip); + TRACE_RET(chip, retval); + } + + retval = rts51x_get_rsp(chip, 1, 5000); + + if (CHECK_MS_TRANS_FAIL(chip, retval)) { + rts51x_clear_ms_error(chip); + if (retval == STATUS_TIMEDOUT) + TRACE_RET(chip, retval); + TRACE_GOTO(chip, Fail); + } + + return STATUS_SUCCESS; + +Fail: + retval = ms_erase_block(chip, new_blk); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = + ms_copy_page(chip, old_blk, new_blk, log_blk, start_page, end_page); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} +#endif + +static int reset_ms(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + u16 i, reg_addr, block_size; + u8 val, j, *ptr; +#ifndef SUPPORT_MAGIC_GATE + u16 eblock_cnt; +#endif + + retval = ms_prepare_reset(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + ms_card->ms_type |= TYPE_MS; + + retval = ms_send_cmd(chip, MS_RESET, NO_WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_read_status_reg(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_READ_REG(chip, PPBUF_BASE2, &val); + if (val & WRT_PRTCT) + chip->card_wp |= MS_CARD; + else + chip->card_wp &= ~MS_CARD; + + i = 0; + +RE_SEARCH: + /* Search For Boot Block */ + while (i < (MAX_DEFECTIVE_BLOCK + 2)) { + if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) + TRACE_RET(chip, STATUS_FAIL); + + retval = ms_check_boot_block(chip, i); + if (retval != STATUS_SUCCESS) { + i++; + continue; + } + + ms_card->boot_block = i; + break; + } + + if (i == (MAX_DEFECTIVE_BLOCK + 2)) { + RTS51X_DEBUGP("No boot block found!"); + TRACE_RET(chip, STATUS_FAIL); + } + for (j = 0; j < 3; j++) { + retval = ms_read_page(chip, ms_card->boot_block, j); + if (retval != STATUS_SUCCESS) { + if (ms_check_err_code(chip, MS_FLASH_WRITE_ERROR)) { + i = ms_card->boot_block + 1; + ms_set_err_code(chip, MS_NO_ERROR); + goto RE_SEARCH; + } + } + } + + /* Read boot block contents */ + retval = ms_read_page(chip, ms_card->boot_block, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* Read MS system information as sys_info */ + retval = + rts51x_seq_read_register(chip, PPBUF_BASE2 + 0x1A0, 96, + ms_card->raw_sys_info); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* Read useful block contents */ + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, READ_REG_CMD, HEADER_ID0, 0, 0); + rts51x_add_cmd(chip, READ_REG_CMD, HEADER_ID1, 0, 0); + + for (reg_addr = DISABLED_BLOCK0; reg_addr <= DISABLED_BLOCK3; + reg_addr++) { + rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0); + } + + for (reg_addr = BLOCK_SIZE_0; reg_addr <= PAGE_SIZE_1; reg_addr++) + rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0); + + rts51x_add_cmd(chip, READ_REG_CMD, MS_Device_Type, 0, 0); + rts51x_add_cmd(chip, READ_REG_CMD, MS_4bit_Support, 0, 0); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 16, 100); + + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + ptr = rts51x_get_rsp_data(chip); + + RTS51X_DEBUGP("Boot block data:\n"); + RTS51X_DUMP(ptr, 16); + + if (ptr[0] != 0x00 || ptr[1] != 0x01) { + i = ms_card->boot_block + 1; + goto RE_SEARCH; + } + if (ptr[12] != 0x02 || ptr[13] != 0x00) { + i = ms_card->boot_block + 1; + goto RE_SEARCH; + } + if ((ptr[14] == 1) || (ptr[14] == 3)) + chip->card_wp |= MS_CARD; + block_size = ((u16) ptr[6] << 8) | ptr[7]; + if (block_size == 0x0010) { + ms_card->block_shift = 5; + ms_card->page_off = 0x1F; + } else if (block_size == 0x0008) { + ms_card->block_shift = 4; + ms_card->page_off = 0x0F; + } + ms_card->total_block = ((u16) ptr[8] << 8) | ptr[9]; + +#ifdef SUPPORT_MAGIC_GATE + j = ptr[10]; + + if (ms_card->block_shift == 4) { + if (j < 2) + ms_card->capacity = 0x1EE0; + else + ms_card->capacity = 0x3DE0; + } else { + if (j < 5) + ms_card->capacity = 0x7BC0; + else if (j < 0xA) + ms_card->capacity = 0xF7C0; + else if (j < 0x11) + ms_card->capacity = 0x1EF80; + else + ms_card->capacity = 0x3DF00; + } +#else + eblock_cnt = ((u16) ptr[10] << 8) | ptr[11]; + + ms_card->capacity = ((u32) eblock_cnt - 2) << ms_card->block_shift; +#endif + + chip->capacity[chip->card2lun[MS_CARD]] = ms_card->capacity; + + if (ptr[15]) { + retval = ms_set_rw_reg_addr(chip, 0, 0, SystemParm, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + RTS51X_WRITE_REG(chip, PPBUF_BASE2, 0xFF, 0x88); + RTS51X_WRITE_REG(chip, PPBUF_BASE2 + 1, 0xFF, 0); + + retval = + ms_transfer_tpc(chip, MS_TM_WRITE_BYTES, WRITE_REG, 1, + NO_WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + RTS51X_WRITE_REG(chip, MS_CFG, 0x58 | MS_NO_CHECK_INT, + MS_BUS_WIDTH_4 | PUSH_TIME_ODD | + MS_NO_CHECK_INT); + + ms_card->ms_type |= MS_4BIT; + } + + if (CHK_MS4BIT(ms_card)) + chip->card_bus_width[chip->card2lun[MS_CARD]] = 4; + else + chip->card_bus_width[chip->card2lun[MS_CARD]] = 1; + + return STATUS_SUCCESS; +} + +static int ms_init_l2p_tbl(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int size, i, seg_no, retval; + u16 defect_block, reg_addr; + u8 val1, val2; + + ms_card->segment_cnt = ms_card->total_block >> 9; + RTS51X_DEBUGP("ms_card->segment_cnt = %d\n", ms_card->segment_cnt); + + size = ms_card->segment_cnt * sizeof(struct zone_entry); + ms_card->segment = vmalloc(size); + if (ms_card->segment == NULL) + TRACE_RET(chip, STATUS_FAIL); + memset(ms_card->segment, 0, size); + + retval = ms_read_page(chip, ms_card->boot_block, 1); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, INIT_FAIL); + + reg_addr = PPBUF_BASE2; + for (i = 0; i < (((ms_card->total_block >> 9) * 10) + 1); i++) { + retval = rts51x_read_register(chip, reg_addr++, &val1); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, INIT_FAIL); + retval = rts51x_read_register(chip, reg_addr++, &val2); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, INIT_FAIL); + + defect_block = ((u16) val1 << 8) | val2; + if (defect_block == 0xFFFF) + break; + seg_no = defect_block / 512; + ms_card->segment[seg_no].defect_list[ms_card->segment[seg_no]. + disable_count++] = + defect_block; + } + + for (i = 0; i < ms_card->segment_cnt; i++) { + ms_card->segment[i].build_flag = 0; + ms_card->segment[i].l2p_table = NULL; + ms_card->segment[i].free_table = NULL; + ms_card->segment[i].get_index = 0; + ms_card->segment[i].set_index = 0; + ms_card->segment[i].unused_blk_cnt = 0; + + RTS51X_DEBUGP("defective block count of segment %d is %d\n", + i, ms_card->segment[i].disable_count); + } + + return STATUS_SUCCESS; + +INIT_FAIL: + if (ms_card->segment) { + vfree(ms_card->segment); + ms_card->segment = NULL; + } + + return STATUS_FAIL; +} + +static u16 ms_get_l2p_tbl(struct rts51x_chip *chip, int seg_no, u16 log_off) +{ + struct ms_info *ms_card = &(chip->ms_card); + struct zone_entry *segment; + + if (ms_card->segment == NULL) + return 0xFFFF; + + segment = &(ms_card->segment[seg_no]); + + if (segment->l2p_table) + return segment->l2p_table[log_off]; + + return 0xFFFF; +} + +static void ms_set_l2p_tbl(struct rts51x_chip *chip, int seg_no, u16 log_off, + u16 phy_blk) +{ + struct ms_info *ms_card = &(chip->ms_card); + struct zone_entry *segment; + + if (ms_card->segment == NULL) + return; + + segment = &(ms_card->segment[seg_no]); + if (segment->l2p_table) + segment->l2p_table[log_off] = phy_blk; +} + +static void ms_set_unused_block(struct rts51x_chip *chip, u16 phy_blk) +{ + struct ms_info *ms_card = &(chip->ms_card); + struct zone_entry *segment; + int seg_no; + + seg_no = (int)phy_blk >> 9; + segment = &(ms_card->segment[seg_no]); + + segment->free_table[segment->set_index++] = phy_blk; + if (segment->set_index >= MS_FREE_TABLE_CNT) + segment->set_index = 0; + segment->unused_blk_cnt++; +} + +static u16 ms_get_unused_block(struct rts51x_chip *chip, int seg_no) +{ + struct ms_info *ms_card = &(chip->ms_card); + struct zone_entry *segment; + u16 phy_blk; + + segment = &(ms_card->segment[seg_no]); + + if (segment->unused_blk_cnt <= 0) + return 0xFFFF; + + phy_blk = segment->free_table[segment->get_index]; + segment->free_table[segment->get_index++] = 0xFFFF; + if (segment->get_index >= MS_FREE_TABLE_CNT) + segment->get_index = 0; + segment->unused_blk_cnt--; + + return phy_blk; +} + +static const unsigned short ms_start_idx[] = { + 0, 494, 990, 1486, 1982, 2478, 2974, 3470, + 3966, 4462, 4958, 5454, 5950, 6446, 6942, 7438, 7934 +}; + +static int ms_arbitrate_l2p(struct rts51x_chip *chip, u16 phy_blk, u16 log_off, + u8 us1, u8 us2) +{ + struct ms_info *ms_card = &(chip->ms_card); + struct zone_entry *segment; + int seg_no; + u16 tmp_blk; + + seg_no = (int)phy_blk >> 9; + segment = &(ms_card->segment[seg_no]); + tmp_blk = segment->l2p_table[log_off]; + + if (us1 != us2) { + if (us1 == 0) { + if (!(chip->card_wp & MS_CARD)) + ms_erase_block(chip, tmp_blk); + ms_set_unused_block(chip, tmp_blk); + segment->l2p_table[log_off] = phy_blk; + } else { + if (!(chip->card_wp & MS_CARD)) + ms_erase_block(chip, phy_blk); + ms_set_unused_block(chip, phy_blk); + } + } else { + if (phy_blk < tmp_blk) { + if (!(chip->card_wp & MS_CARD)) + ms_erase_block(chip, phy_blk); + ms_set_unused_block(chip, phy_blk); + } else { + if (!(chip->card_wp & MS_CARD)) + ms_erase_block(chip, tmp_blk); + ms_set_unused_block(chip, tmp_blk); + segment->l2p_table[log_off] = phy_blk; + } + } + + return STATUS_SUCCESS; +} + +static int ms_build_l2p_tbl(struct rts51x_chip *chip, int seg_no) +{ + struct ms_info *ms_card = &(chip->ms_card); + struct zone_entry *segment; + int retval, table_size, disable_cnt, defect_flag, i; + u16 start, end, phy_blk, log_blk, tmp_blk; + u8 extra[MS_EXTRA_SIZE], us1, us2; + + RTS51X_DEBUGP("ms_build_l2p_tbl: %d\n", seg_no); + + if (ms_card->segment == NULL) { + retval = ms_init_l2p_tbl(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + if (ms_card->segment[seg_no].build_flag) { + RTS51X_DEBUGP("l2p table of segment %d has been built\n", + seg_no); + return STATUS_SUCCESS; + } + + if (seg_no == 0) + table_size = 494; + else + table_size = 496; + + segment = &(ms_card->segment[seg_no]); + + if (segment->l2p_table == NULL) { + segment->l2p_table = vmalloc(table_size * 2); + if (segment->l2p_table == NULL) + TRACE_GOTO(chip, BUILD_FAIL); + } + memset((u8 *) (segment->l2p_table), 0xff, table_size * 2); + + if (segment->free_table == NULL) { + segment->free_table = vmalloc(MS_FREE_TABLE_CNT * 2); + if (segment->free_table == NULL) + TRACE_GOTO(chip, BUILD_FAIL); + } + memset((u8 *) (segment->free_table), 0xff, MS_FREE_TABLE_CNT * 2); + + start = (u16) seg_no << 9; + end = (u16) (seg_no + 1) << 9; + + disable_cnt = segment->disable_count; + + segment->get_index = segment->set_index = 0; + segment->unused_blk_cnt = 0; + + for (phy_blk = start; phy_blk < end; phy_blk++) { + if (disable_cnt) { + defect_flag = 0; + for (i = 0; i < segment->disable_count; i++) { + if (phy_blk == segment->defect_list[i]) { + defect_flag = 1; + break; + } + } + if (defect_flag) { + disable_cnt--; + continue; + } + } + + retval = + ms_read_extra_data(chip, phy_blk, 0, extra, MS_EXTRA_SIZE); + if (retval != STATUS_SUCCESS) { + RTS51X_DEBUGP("read extra data fail\n"); + ms_set_bad_block(chip, phy_blk); + continue; + } + + if (seg_no == ms_card->segment_cnt - 1) { + if (!(extra[1] & NOT_TRANSLATION_TABLE)) { + if (!(chip->card_wp & MS_CARD)) { + retval = ms_erase_block(chip, phy_blk); + if (retval != STATUS_SUCCESS) + continue; + extra[2] = 0xff; + extra[3] = 0xff; + } + } + } + + if (!(extra[0] & BLOCK_OK)) + continue; + if (!(extra[1] & NOT_BOOT_BLOCK)) + continue; + if ((extra[0] & PAGE_OK) != PAGE_OK) + continue; + + log_blk = ((u16) extra[2] << 8) | extra[3]; + + if (log_blk == 0xFFFF) { + if (!(chip->card_wp & MS_CARD)) { + retval = ms_erase_block(chip, phy_blk); + if (retval != STATUS_SUCCESS) + continue; + } + ms_set_unused_block(chip, phy_blk); + continue; + } + + if ((log_blk < ms_start_idx[seg_no]) || + (log_blk >= ms_start_idx[seg_no + 1])) { + if (!(chip->card_wp & MS_CARD)) { + retval = ms_erase_block(chip, phy_blk); + if (retval != STATUS_SUCCESS) + continue; + } + ms_set_unused_block(chip, phy_blk); + continue; + } + + if (segment->l2p_table[log_blk - ms_start_idx[seg_no]] == + 0xFFFF) { + segment->l2p_table[log_blk - ms_start_idx[seg_no]] = + phy_blk; + continue; + } + + us1 = extra[0] & 0x10; + tmp_blk = segment->l2p_table[log_blk - ms_start_idx[seg_no]]; + retval = + ms_read_extra_data(chip, tmp_blk, 0, extra, MS_EXTRA_SIZE); + if (retval != STATUS_SUCCESS) + continue; + us2 = extra[0] & 0x10; + + (void)ms_arbitrate_l2p(chip, phy_blk, + log_blk - ms_start_idx[seg_no], us1, + us2); + continue; + } + + segment->build_flag = 1; + + RTS51X_DEBUGP("unused block count: %d\n", segment->unused_blk_cnt); + + if (seg_no == ms_card->segment_cnt - 1) { + if (segment->unused_blk_cnt < 2) + chip->card_wp |= MS_CARD; + } else { + if (segment->unused_blk_cnt < 1) + chip->card_wp |= MS_CARD; + } + + if (chip->card_wp & MS_CARD) + return STATUS_SUCCESS; + + for (log_blk = ms_start_idx[seg_no]; log_blk < ms_start_idx[seg_no + 1]; + log_blk++) { + if (segment->l2p_table[log_blk - ms_start_idx[seg_no]] == + 0xFFFF) { + phy_blk = ms_get_unused_block(chip, seg_no); + if (phy_blk == 0xFFFF) { + chip->card_wp |= MS_CARD; + return STATUS_SUCCESS; + } + retval = ms_init_page(chip, phy_blk, log_blk, 0, 1); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, BUILD_FAIL); + segment->l2p_table[log_blk - ms_start_idx[seg_no]] = + phy_blk; + if (seg_no == ms_card->segment_cnt - 1) { + if (segment->unused_blk_cnt < 2) { + chip->card_wp |= MS_CARD; + return STATUS_SUCCESS; + } + } else { + if (segment->unused_blk_cnt < 1) { + chip->card_wp |= MS_CARD; + return STATUS_SUCCESS; + } + } + } + } + + if (seg_no == 0) { + for (log_blk = 0; log_blk < 494; log_blk++) { + tmp_blk = segment->l2p_table[log_blk]; + if (tmp_blk < ms_card->boot_block) { + RTS51X_DEBUGP("Boot block is not the first" + "normal block.\n"); + + if (chip->card_wp & MS_CARD) + break; + + phy_blk = ms_get_unused_block(chip, 0); +#ifdef MS_SPEEDUP + retval = + ms_auto_copy_page(chip, tmp_blk, phy_blk, + log_blk, 0, + ms_card->page_off + 1); +#else + retval = ms_copy_page(chip, tmp_blk, phy_blk, + log_blk, 0, + ms_card->page_off + 1); +#endif + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + segment->l2p_table[log_blk] = phy_blk; + + retval = ms_set_bad_block(chip, tmp_blk); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + } + } + + return STATUS_SUCCESS; + +BUILD_FAIL: + segment->build_flag = 0; + if (segment->l2p_table) { + vfree(segment->l2p_table); + segment->l2p_table = NULL; + } + if (segment->free_table) { + vfree(segment->free_table); + segment->free_table = NULL; + } + + return STATUS_FAIL; +} + +int reset_ms_card(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + + memset(ms_card, 0, sizeof(struct ms_info)); + + enable_card_clock(chip, MS_CARD); + + retval = rts51x_select_card(chip, MS_CARD); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + ms_card->ms_type = 0; + ms_card->last_rw_int = 0; + + retval = reset_ms_pro(chip); + if (retval != STATUS_SUCCESS) { + if (ms_card->check_ms_flow) { + retval = reset_ms(chip); + if (retval != STATUS_SUCCESS) { + if (chip->option.reset_or_rw_fail_set_pad_drive) { + rts51x_write_register(chip, + CARD_DRIVE_SEL, SD20_DRIVE_MASK, + DRIVE_8mA); + } + TRACE_RET(chip, retval); + } + } else { + if (chip->option.reset_or_rw_fail_set_pad_drive) { + rts51x_write_register(chip, CARD_DRIVE_SEL, + SD20_DRIVE_MASK, + DRIVE_8mA); + } + TRACE_RET(chip, retval); + } + } + + retval = ms_set_init_para(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (!CHK_MSPRO(ms_card)) { + retval = ms_build_l2p_tbl(chip, ms_card->total_block / 512 - 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + RTS51X_DEBUGP("ms_card->ms_type = 0x%x\n", ms_card->ms_type); + + return STATUS_SUCCESS; +} + +static int mspro_set_rw_cmd(struct rts51x_chip *chip, u32 start_sec, + u16 sec_cnt, u8 cmd) +{ + int retval, i; + u8 data[8]; + + data[0] = cmd; + data[1] = (u8) (sec_cnt >> 8); + data[2] = (u8) sec_cnt; + data[3] = (u8) (start_sec >> 24); + data[4] = (u8) (start_sec >> 16); + data[5] = (u8) (start_sec >> 8); + data[6] = (u8) start_sec; + data[7] = 0; + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_write_bytes(chip, PRO_EX_SET_CMD, 7, WAIT_INT, data, 8); + if (retval == STATUS_SUCCESS) + break; + } + if (i == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +void mspro_stop_seq_mode(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + + if (ms_card->seq_mode) { + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + return; + + ms_card->seq_mode = 0; + ms_card->total_sec_cnt = 0; + ms_card->last_rw_int = 0; + ms_send_cmd(chip, PRO_STOP, WAIT_INT); + + rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH, + FIFO_FLUSH); + } +} + +static inline int ms_auto_tune_clock(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + + if (chip->asic_code) { + if (ms_card->ms_clock > 30) + ms_card->ms_clock -= 20; + } else { + if (ms_card->ms_clock == CLK_80) + ms_card->ms_clock = CLK_60; + else if (ms_card->ms_clock == CLK_60) + ms_card->ms_clock = CLK_40; + } + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +static int mspro_rw_multi_sector(struct scsi_cmnd *srb, + struct rts51x_chip *chip, u32 start_sector, + u16 sector_cnt) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, mode_2k = 0; + u16 count; + u8 val, trans_mode, rw_tpc, rw_cmd; + + ms_set_err_code(chip, MS_NO_ERROR); + + ms_card->counter = 0; + + if (CHK_MSHG(ms_card)) { + if ((start_sector % 4) || (sector_cnt % 4)) { + if (srb->sc_data_direction == DMA_FROM_DEVICE) { + rw_tpc = PRO_READ_LONG_DATA; + rw_cmd = PRO_READ_DATA; + } else { + rw_tpc = PRO_WRITE_LONG_DATA; + rw_cmd = PRO_WRITE_DATA; + } + } else { + if (srb->sc_data_direction == DMA_FROM_DEVICE) { + rw_tpc = PRO_READ_QUAD_DATA; + rw_cmd = PRO_READ_2K_DATA; + } else { + rw_tpc = PRO_WRITE_QUAD_DATA; + rw_cmd = PRO_WRITE_2K_DATA; + } + mode_2k = 1; + } + } else { + if (srb->sc_data_direction == DMA_FROM_DEVICE) { + rw_tpc = PRO_READ_LONG_DATA; + rw_cmd = PRO_READ_DATA; + } else { + rw_tpc = PRO_WRITE_LONG_DATA; + rw_cmd = PRO_WRITE_DATA; + } + } + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (srb->sc_data_direction == DMA_FROM_DEVICE) + trans_mode = MS_TM_AUTO_READ; + else + trans_mode = MS_TM_AUTO_WRITE; + + val = ms_card->last_rw_int; + + if (ms_card->seq_mode) { + if ((ms_card->pre_dir != srb->sc_data_direction) + || ((ms_card->pre_sec_addr + ms_card->pre_sec_cnt) != + start_sector) + || (mode_2k && (ms_card->seq_mode & MODE_512_SEQ)) + || (!mode_2k && (ms_card->seq_mode & MODE_2K_SEQ)) + || !(val & MS_INT_BREQ) + || ((ms_card->total_sec_cnt + sector_cnt) > 0xFE00)) { + ms_card->seq_mode = 0; + ms_card->total_sec_cnt = 0; + ms_card->last_rw_int = 0; + if (val & MS_INT_BREQ) { + retval = ms_send_cmd(chip, PRO_STOP, WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + rts51x_ep0_write_register(chip, MC_FIFO_CTL, + FIFO_FLUSH, FIFO_FLUSH); + } + } + } + + if (!ms_card->seq_mode) { + ms_card->total_sec_cnt = 0; + if (sector_cnt >= 0x80) { + if ((ms_card->capacity - start_sector) > 0xFE00) + count = 0xFE00; + else + count = + (u16) (ms_card->capacity - start_sector); + if (count > sector_cnt) { + if (mode_2k) + ms_card->seq_mode |= MODE_2K_SEQ; + else + ms_card->seq_mode |= MODE_512_SEQ; + } + } else { + count = sector_cnt; + } + retval = mspro_set_rw_cmd(chip, start_sector, count, rw_cmd); + if (retval != STATUS_SUCCESS) { + ms_card->seq_mode = 0; + TRACE_RET(chip, retval); + } + } + + retval = + ms_transfer_data(chip, trans_mode, rw_tpc, sector_cnt, WAIT_INT, + mode_2k, scsi_sg_count(srb), scsi_sglist(srb), + scsi_bufflen(srb)); + if (retval != STATUS_SUCCESS) { + ms_card->seq_mode = 0; + rts51x_ep0_read_register(chip, MS_TRANS_CFG, &val); + rts51x_clear_ms_error(chip); + if (val & MS_INT_BREQ) + ms_send_cmd(chip, PRO_STOP, WAIT_INT); + if (val & (MS_CRC16_ERR | MS_RDY_TIMEOUT)) { + RTS51X_DEBUGP("MSPro CRC error, tune clock!\n"); + ms_auto_tune_clock(chip); + } + + TRACE_RET(chip, retval); + } + + ms_card->pre_sec_addr = start_sector; + ms_card->pre_sec_cnt = sector_cnt; + ms_card->pre_dir = srb->sc_data_direction; + ms_card->total_sec_cnt += sector_cnt; + + return STATUS_SUCCESS; +} + +static int mspro_read_format_progress(struct rts51x_chip *chip, + const int short_data_len) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + u32 total_progress, cur_progress; + u8 cnt, tmp; + u8 data[8]; + + ms_card->format_status = FORMAT_FAIL; + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_READ_REG(chip, MS_TRANS_CFG, &tmp); + + if ((tmp & (MS_INT_CED | MS_INT_CMDNK | MS_INT_ERR)) == MS_INT_CED) { + ms_card->format_status = FORMAT_SUCCESS; + ms_card->pro_under_formatting = 0; + return STATUS_SUCCESS; + } + if (! + ((tmp & (MS_INT_BREQ | MS_INT_CED | MS_INT_CMDNK | MS_INT_ERR)) == + MS_INT_BREQ)) { + ms_card->pro_under_formatting = 0; + TRACE_RET(chip, STATUS_FAIL); + } + + if (short_data_len >= 256) + cnt = 0; + else + cnt = (u8) short_data_len; + + retval = + ms_read_bytes(chip, PRO_READ_SHORT_DATA, cnt, WAIT_INT, data, 8); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + total_progress = + (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; + cur_progress = + (data[4] << 24) | (data[5] << 16) | (data[6] << 8) | data[7]; + + RTS51X_DEBUGP("total_progress = %d, cur_progress = %d\n", + total_progress, cur_progress); + + if (total_progress == 0) { + ms_card->progress = 0; + } else { + u64 ulltmp = (u64) cur_progress * (u64) 65535; + do_div(ulltmp, total_progress); + ms_card->progress = (u16) ulltmp; + } + RTS51X_DEBUGP("progress = %d\n", ms_card->progress); + + for (i = 0; i < 2500; i++) { + RTS51X_READ_REG(chip, MS_TRANS_CFG, &tmp); + if (tmp & + (MS_INT_CED | MS_INT_CMDNK | MS_INT_BREQ | MS_INT_ERR)) + break; + + wait_timeout(1); + } + + if (i == 2500) + TRACE_RET(chip, STATUS_FAIL); + + RTS51X_DEBUGP("MSPro format tmp:%d\n", tmp); + + if (tmp & (MS_INT_CMDNK | MS_INT_ERR)) + TRACE_RET(chip, STATUS_FAIL); + if (tmp & MS_INT_CED) { + ms_card->format_status = FORMAT_SUCCESS; + ms_card->pro_under_formatting = 0; + } else if (tmp & MS_INT_BREQ) { + ms_card->format_status = FORMAT_IN_PROGRESS; + } else { + ms_card->format_status = FORMAT_FAIL; + ms_card->pro_under_formatting = 0; + TRACE_RET(chip, STATUS_FAIL); + } + + RTS51X_DEBUGP("MSPro format format_status:%d\n", + ms_card->format_status); + + return STATUS_SUCCESS; +} + +void mspro_polling_format_status(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int i; + + if (ms_card->pro_under_formatting) { + for (i = 0; i < 65535; i++) { + mspro_read_format_progress(chip, MS_SHORT_DATA_LEN); + if (ms_card->format_status != FORMAT_IN_PROGRESS) + break; + } + } + + return; +} + +void mspro_format_sense(struct rts51x_chip *chip, unsigned int lun) +{ + struct ms_info *ms_card = &(chip->ms_card); + + if (CHK_FORMAT_STATUS(ms_card, FORMAT_SUCCESS)) { + set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); + ms_card->pro_under_formatting = 0; + ms_card->progress = 0; + } else if (CHK_FORMAT_STATUS(ms_card, FORMAT_IN_PROGRESS)) { + set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04, + 0, (u16) (ms_card->progress)); + } else { + set_sense_type(chip, lun, SENSE_TYPE_FORMAT_CMD_FAILED); + ms_card->pro_under_formatting = 0; + ms_card->progress = 0; + } +} + +int mspro_format(struct scsi_cmnd *srb, struct rts51x_chip *chip, + int short_data_len, int quick_format) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + u8 buf[8], tmp; + u16 para; + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_set_rw_reg_addr(chip, 0x00, 0x00, Pro_TPCParm, 0x01); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + memset(buf, 0, 2); + switch (short_data_len) { + case 32: + buf[0] = 0; + break; + case 64: + buf[0] = 1; + break; + case 128: + buf[0] = 2; + break; + case 256: + default: + buf[0] = 3; + break; + } + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_write_bytes(chip, PRO_WRITE_REG, 1, NO_WAIT_INT, buf, 2); + if (retval == STATUS_SUCCESS) + break; + } + if (i == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + /* Format command */ + if (quick_format) + para = 0x0000; + else + para = 0x0001; + retval = mspro_set_rw_cmd(chip, 0, para, PRO_FORMAT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* Check INT */ + RTS51X_READ_REG(chip, MS_TRANS_CFG, &tmp); + if (tmp & (MS_INT_CMDNK | MS_INT_ERR)) + TRACE_RET(chip, STATUS_FAIL); + + if ((tmp & (MS_INT_BREQ | MS_INT_CED)) == MS_INT_BREQ) { + ms_card->pro_under_formatting = 1; + ms_card->progress = 0; + ms_card->format_status = FORMAT_IN_PROGRESS; + return STATUS_SUCCESS; + } + + if (tmp & MS_INT_CED) { + ms_card->pro_under_formatting = 0; + ms_card->progress = 0; + ms_card->format_status = FORMAT_SUCCESS; + set_sense_type(chip, SCSI_LUN(srb), SENSE_TYPE_NO_SENSE); + return STATUS_SUCCESS; + } + + TRACE_RET(chip, STATUS_FAIL); +} + +#ifdef MS_SPEEDUP +static int ms_read_multiple_pages(struct rts51x_chip *chip, u16 phy_blk, + u16 log_blk, u8 start_page, u8 end_page, + u8 *buf, void **ptr, unsigned int *offset) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + int send_blkend; + u8 extra[MS_EXTRA_SIZE], val1, val2, data[6]; + u8 page_cnt = end_page - start_page, page_addr, sec_cnt; + + if (end_page != (ms_card->page_off + 1)) + send_blkend = 1; + else + send_blkend = 0; + + retval = + ms_read_extra_data(chip, phy_blk, start_page, extra, MS_EXTRA_SIZE); + if (retval == STATUS_SUCCESS) { + if ((extra[1] & 0x30) != 0x30) { + ms_set_err_code(chip, MS_FLASH_READ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (phy_blk >> 8); + data[3] = (u8) phy_blk; + /* Page Number + * Extra data access mode */ + data[4] = 0; + data[5] = start_page; + + retval = + ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6, + BLOCK_READ, WAIT_INT, data, 6, &val1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + rts51x_init_cmd(chip); + + if (send_blkend) + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BLKEND, SET_BLKEND, + SET_BLKEND); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BLKEND, SET_BLKEND, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, WAIT_INT, + NO_WAIT_INT); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_L, 0xFF, + (u8) page_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_H, 0xFF, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, READ_PAGE_DATA); + + trans_dma_enable(DMA_FROM_DEVICE, chip, 512 * page_cnt, DMA_512); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF, + MS_TRANSFER_START | MS_TM_MULTI_READ); + rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END, + MS_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CDIR | STAGE_MS_STATUS, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = + rts51x_transfer_data_partial(chip, RCV_BULK_PIPE(chip), (void *)buf, + ptr, offset, 512 * page_cnt, + scsi_sg_count(chip->srb), NULL, 2000); + if (retval != STATUS_SUCCESS) { + rts51x_clear_ms_error(chip); + if (retval == STATUS_TIMEDOUT) + TRACE_RET(chip, retval); + TRACE_GOTO(chip, Fail); + } + retval = rts51x_get_rsp(chip, 3, 200); + if (CHECK_MS_TRANS_FAIL(chip, retval)) { + rts51x_clear_ms_error(chip); + if (retval == STATUS_TIMEDOUT) + TRACE_RET(chip, retval); + TRACE_GOTO(chip, Fail); + } + + return STATUS_SUCCESS; + +Fail: + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, READ_REG_CMD, MS_SECTOR_CNT_L, 0, 0); + + retval = rts51x_send_cmd(chip, MODE_CR | STAGE_MS_STATUS, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 3, 200); + + if (CHECK_MS_TRANS_FAIL(chip, retval)) + TRACE_RET(chip, STATUS_FAIL); + + sec_cnt = chip->rsp_buf[0]; + RTS51X_DEBUGP("%d pages need be trasferred, %d pages remained\n", + (int)page_cnt, (int)sec_cnt); + page_addr = start_page + (page_cnt - sec_cnt); + + if (CHK_MS4BIT(ms_card)) { + val1 = chip->rsp_buf[1]; + RTS51X_DEBUGP("MS_TRANS_CFG: 0x%x\n", val1); + } else { + val1 = 0; + } + + val2 = chip->rsp_buf[2]; + RTS51X_DEBUGP("GET_INT: 0x%x\n", val2); + + if ((val1 & INT_CMDNK) || (val2 & INT_REG_CMDNK)) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, STATUS_FAIL); + } + + if ((val1 & INT_ERR) || (val2 & INT_REG_ERR)) { + if ((val1 & INT_BREQ) || (val2 & INT_REG_BREQ)) { + retval = ms_read_status_reg(chip); + if (retval != STATUS_SUCCESS) { + if (!(chip->card_wp & MS_CARD)) { + reset_ms(chip); + ms_set_page_status(log_blk, setPS_NG, + extra, MS_EXTRA_SIZE); + ms_write_extra_data(chip, phy_blk, + page_addr, extra, + MS_EXTRA_SIZE); + } + ms_set_err_code(chip, MS_FLASH_READ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } else { + ms_set_err_code(chip, MS_FLASH_READ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } else { + if (CHK_MS4BIT(ms_card)) { + if (!(val1 & INT_BREQ) && !(val2 & INT_REG_BREQ)) { + ms_set_err_code(chip, MS_BREQ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } else { + if (!(val2 & INT_REG_BREQ)) { + ms_set_err_code(chip, MS_BREQ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + } + + TRACE_RET(chip, STATUS_FAIL); +} + +static int ms_write_multiple_pages(struct rts51x_chip *chip, u16 old_blk, + u16 new_blk, u16 log_blk, u8 start_page, + u8 end_page, u8 *buf, void **ptr, + unsigned int *offset) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + int send_blkend; + u8 val, data[16]; + u8 page_cnt = end_page - start_page; + + if ((end_page == (ms_card->page_off + 1)) || (page_cnt == 1)) + send_blkend = 0; + else + send_blkend = 1; + + if (!start_page) { + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (old_blk >> 8); + data[3] = (u8) old_blk; + data[4] = 0x80; + data[5] = 0; + data[6] = 0xEF; + data[7] = 0xFF; + + retval = + ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, + SystemParm, 7, BLOCK_WRITE, WAIT_INT, data, + 7, &val); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + retval = + ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, + (6 + MS_EXTRA_SIZE)); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + ms_set_err_code(chip, MS_NO_ERROR); + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (new_blk >> 8); + data[3] = (u8) new_blk; + /* Page Number + * Extra data access mode */ + if (page_cnt == 1) { + /* Single page access mode */ + data[4] = 0x20; + } else { + /* Block access mode */ + data[4] = 0; + } + data[5] = start_page; + data[6] = 0xF8; + data[7] = 0xFF; + data[8] = (u8) (log_blk >> 8); + data[9] = (u8) log_blk; + + for (i = 0x0A; i < 0x10; i++) { + /* ECC */ + data[i] = 0xFF; + } + + retval = + ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, + (6 + MS_EXTRA_SIZE), BLOCK_WRITE, WAIT_INT, data, + 16, &val); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + rts51x_init_cmd(chip); + + if (send_blkend) + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BLKEND, SET_BLKEND, + SET_BLKEND); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BLKEND, SET_BLKEND, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, WAIT_INT, + NO_WAIT_INT); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_L, 0xFF, + (u8) page_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_H, 0xFF, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, WRITE_PAGE_DATA); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + RING_BUFFER); + + trans_dma_enable(DMA_TO_DEVICE, chip, 512 * page_cnt, DMA_512); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF, + MS_TRANSFER_START | MS_TM_MULTI_WRITE); + rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END, + MS_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CDOR | STAGE_MS_STATUS, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = + rts51x_transfer_data_partial(chip, SND_BULK_PIPE(chip), (void *)buf, + ptr, offset, 512 * page_cnt, + scsi_sg_count(chip->srb), NULL, 2000); + if (retval != STATUS_SUCCESS) { + rts51x_clear_ms_error(chip); + TRACE_RET(chip, retval); + } + + retval = rts51x_get_rsp(chip, 3, 2000); + + + if (CHECK_MS_TRANS_FAIL(chip, retval)) { + rts51x_clear_ms_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +#else + +static int ms_read_multiple_pages(struct rts51x_chip *chip, u16 phy_blk, + u16 log_blk, u8 start_page, u8 end_page, + u8 *buf, void **ptr, unsigned int *offset) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + u8 extra[MS_EXTRA_SIZE], page_addr, val, trans_cfg, data[6]; + + retval = + ms_read_extra_data(chip, phy_blk, start_page, extra, MS_EXTRA_SIZE); + if (retval == STATUS_SUCCESS) { + if ((extra[1] & 0x30) != 0x30) { + ms_set_err_code(chip, MS_FLASH_READ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + retval = + ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, + 6); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* Write REG */ + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (phy_blk >> 8); + data[3] = (u8) phy_blk; + /* Page Number + * Extra data access mode */ + data[4] = 0; + data[5] = start_page; + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_write_bytes(chip, WRITE_REG, 6, NO_WAIT_INT, data, 6); + if (retval == STATUS_SUCCESS) + break; + } + if (i == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + + ms_set_err_code(chip, MS_NO_ERROR); + + retval = ms_send_cmd(chip, BLOCK_READ, WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + for (page_addr = start_page; page_addr < end_page; page_addr++) { + ms_set_err_code(chip, MS_NO_ERROR); + + if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) { + ms_set_err_code(chip, MS_NO_CARD); + chip->card_exist &= ~MS_CARD; + chip->card_ready &= ~MS_CARD; + TRACE_RET(chip, STATUS_FAIL); + } + /* GET_INT Register */ + retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (val & INT_REG_CMDNK) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, STATUS_FAIL); + } + if (val & INT_REG_ERR) { + if (val & INT_REG_BREQ) { + retval = ms_read_status_reg(chip); + if (retval != STATUS_SUCCESS) { + if (!(chip->card_wp & MS_CARD)) { + reset_ms(chip); + ms_set_page_status(log_blk, + setPS_NG, extra, + MS_EXTRA_SIZE); + ms_write_extra_data(chip, + phy_blk, page_addr, + extra, MS_EXTRA_SIZE); + } + ms_set_err_code(chip, + MS_FLASH_READ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } else { + ms_set_err_code(chip, MS_FLASH_READ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } else { + if (!(val & INT_REG_BREQ)) { + ms_set_err_code(chip, MS_BREQ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + if (page_addr == (end_page - 1)) { + if (!(val & INT_REG_CED)) { + retval = ms_send_cmd(chip, BLOCK_END, WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + retval = + ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, + 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (!(val & INT_REG_CED)) { + ms_set_err_code(chip, MS_FLASH_READ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + + trans_cfg = NO_WAIT_INT; + } else { + trans_cfg = WAIT_INT; + } + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, + READ_PAGE_DATA); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, + trans_cfg); + + trans_dma_enable(DMA_FROM_DEVICE, chip, 512, DMA_512); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF, + MS_TRANSFER_START | MS_TM_NORMAL_READ); + rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, + MS_TRANSFER_END, MS_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CDIR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = + rts51x_transfer_data_partial(chip, RCV_BULK_PIPE(chip), + (void *)buf, ptr, offset, 512, + scsi_sg_count(chip->srb), NULL, + 2000); + if (retval != STATUS_SUCCESS) { + if (retval == STATUS_TIMEDOUT) { + ms_set_err_code(chip, MS_TO_ERROR); + rts51x_clear_ms_error(chip); + TRACE_RET(chip, retval); + } + + retval = + rts51x_ep0_read_register(chip, MS_TRANS_CFG, &val); + if (retval != STATUS_SUCCESS) { + ms_set_err_code(chip, MS_TO_ERROR); + rts51x_clear_ms_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + if (val & (MS_CRC16_ERR | MS_RDY_TIMEOUT)) { + ms_set_err_code(chip, MS_CRC16_ERROR); + rts51x_clear_ms_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + } + + retval = rts51x_get_rsp(chip, 1, 2000); + if (CHECK_MS_TRANS_FAIL(chip, retval)) { + if (retval == STATUS_TIMEDOUT) { + ms_set_err_code(chip, MS_TO_ERROR); + rts51x_clear_ms_error(chip); + TRACE_RET(chip, retval); + } + + retval = + rts51x_ep0_read_register(chip, MS_TRANS_CFG, &val); + if (retval != STATUS_SUCCESS) { + ms_set_err_code(chip, MS_TO_ERROR); + rts51x_clear_ms_error(chip); + TRACE_RET(chip, retval); + } + if (val & (MS_CRC16_ERR | MS_RDY_TIMEOUT)) { + ms_set_err_code(chip, MS_CRC16_ERROR); + rts51x_clear_ms_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + } + } + + return STATUS_SUCCESS; +} + +static int ms_write_multiple_pages(struct rts51x_chip *chip, u16 old_blk, + u16 new_blk, u16 log_blk, u8 start_page, + u8 end_page, u8 *buf, void **ptr, + unsigned int *offset) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + u8 page_addr, val, data[16]; + + if (!start_page) { + retval = + ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE, + SystemParm, 7); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (old_blk >> 8); + data[3] = (u8) old_blk; + data[4] = 0x80; + data[5] = 0; + data[6] = 0xEF; + data[7] = 0xFF; + + retval = + ms_write_bytes(chip, WRITE_REG, 7, NO_WAIT_INT, data, 8); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = ms_send_cmd(chip, BLOCK_WRITE, WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* GET_INT Register */ + ms_set_err_code(chip, MS_NO_ERROR); + retval = + ms_transfer_tpc(chip, MS_TM_READ_BYTES, GET_INT, 1, + NO_WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + retval = + ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, + (6 + MS_EXTRA_SIZE)); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + ms_set_err_code(chip, MS_NO_ERROR); + + if (CHK_MS4BIT(ms_card)) { + /* Parallel interface */ + data[0] = 0x88; + } else { + /* Serial interface */ + data[0] = 0x80; + } + /* Block Address */ + data[1] = 0; + data[2] = (u8) (new_blk >> 8); + data[3] = (u8) new_blk; + /* Page Number + * Extra data access mode */ + if ((end_page - start_page) == 1) { + /* Single page access mode */ + data[4] = 0x20; + } else { + /* Block access mode */ + data[4] = 0; + } + data[5] = start_page; + data[6] = 0xF8; + data[7] = 0xFF; + data[8] = (u8) (log_blk >> 8); + data[9] = (u8) log_blk; + + for (i = 0x0A; i < 0x10; i++) { + /* ECC */ + data[i] = 0xFF; + } + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_write_bytes(chip, WRITE_REG, 6 + MS_EXTRA_SIZE, + NO_WAIT_INT, data, 16); + if (retval == STATUS_SUCCESS) + break; + } + if (i == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = ms_send_cmd(chip, BLOCK_WRITE, WAIT_INT); + if (retval == STATUS_SUCCESS) + break; + } + if (i == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + /* GET_INT Register */ + retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + for (page_addr = start_page; page_addr < end_page; page_addr++) { + ms_set_err_code(chip, MS_NO_ERROR); + + if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) { + ms_set_err_code(chip, MS_NO_CARD); + TRACE_RET(chip, STATUS_FAIL); + } + + if (val & INT_REG_CMDNK) { + ms_set_err_code(chip, MS_CMD_NK); + TRACE_RET(chip, STATUS_FAIL); + } + if (val & INT_REG_ERR) { + ms_set_err_code(chip, MS_FLASH_WRITE_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + if (!(val & INT_REG_BREQ)) { + ms_set_err_code(chip, MS_BREQ_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + + udelay(30); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, + WRITE_PAGE_DATA); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, + WAIT_INT); + + trans_dma_enable(DMA_TO_DEVICE, chip, 512, DMA_512); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF, + MS_TRANSFER_START | MS_TM_NORMAL_WRITE); + rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, + MS_TRANSFER_END, MS_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CDOR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = + rts51x_transfer_data_partial(chip, SND_BULK_PIPE(chip), + (void *)buf, ptr, offset, 512, + scsi_sg_count(chip->srb), NULL, + 2000); + if (retval != STATUS_SUCCESS) { + ms_set_err_code(chip, MS_TO_ERROR); + rts51x_clear_ms_error(chip); + + if (retval == STATUS_TIMEDOUT) + TRACE_RET(chip, STATUS_TIMEDOUT); + else + TRACE_RET(chip, STATUS_FAIL); + } + + retval = rts51x_get_rsp(chip, 1, 2000); + if (CHECK_MS_TRANS_FAIL(chip, retval)) { + ms_set_err_code(chip, MS_TO_ERROR); + rts51x_clear_ms_error(chip); + + if (retval == STATUS_TIMEDOUT) + TRACE_RET(chip, STATUS_TIMEDOUT); + else + TRACE_RET(chip, STATUS_FAIL); + } + /* GET_INT Register */ + retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if ((end_page - start_page) == 1) { + if (!(val & INT_REG_CED)) { + /* Command can not be executed */ + ms_set_err_code(chip, MS_FLASH_WRITE_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } else { + if (page_addr == (end_page - 1)) { + if (!(val & INT_REG_CED)) { + retval = + ms_send_cmd(chip, BLOCK_END, + WAIT_INT); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + /* GET_INT Register */ + retval = + ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, + &val, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + if ((page_addr == (end_page - 1)) + || (page_addr == ms_card->page_off)) { + if (!(val & INT_REG_CED)) { + ms_set_err_code(chip, + MS_FLASH_WRITE_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + } + } + + return STATUS_SUCCESS; +} +#endif + +static int ms_finish_write(struct rts51x_chip *chip, u16 old_blk, u16 new_blk, + u16 log_blk, u8 page_off) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, seg_no; + +#ifdef MS_SPEEDUP + retval = ms_auto_copy_page(chip, old_blk, new_blk, log_blk, + page_off, ms_card->page_off + 1); +#else + retval = ms_copy_page(chip, old_blk, new_blk, log_blk, + page_off, ms_card->page_off + 1); +#endif + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + seg_no = old_blk >> 9; + + if (MS_TST_BAD_BLOCK_FLG(ms_card)) { + MS_CLR_BAD_BLOCK_FLG(ms_card); + ms_set_bad_block(chip, old_blk); + } else { + retval = ms_erase_block(chip, old_blk); + if (retval == STATUS_SUCCESS) + ms_set_unused_block(chip, old_blk); + } + + ms_set_l2p_tbl(chip, seg_no, log_blk - ms_start_idx[seg_no], new_blk); + + return STATUS_SUCCESS; +} + +static int ms_prepare_write(struct rts51x_chip *chip, u16 old_blk, u16 new_blk, + u16 log_blk, u8 start_page) +{ + int retval; + + if (start_page) { +#ifdef MS_SPEEDUP + retval = + ms_auto_copy_page(chip, old_blk, new_blk, log_blk, 0, + start_page); +#else + retval = + ms_copy_page(chip, old_blk, new_blk, log_blk, 0, + start_page); +#endif + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +int ms_delay_write(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + struct ms_delay_write_tag *delay_write = &(ms_card->delay_write); + int retval; + + if (delay_write->delay_write_flag) { + retval = ms_set_init_para(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + delay_write->delay_write_flag = 0; + retval = ms_finish_write(chip, + delay_write->old_phyblock, + delay_write->new_phyblock, + delay_write->logblock, + delay_write->pageoff); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +static inline void ms_rw_fail(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + if (srb->sc_data_direction == DMA_FROM_DEVICE) + set_sense_type(chip, SCSI_LUN(srb), + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + else + set_sense_type(chip, SCSI_LUN(srb), SENSE_TYPE_MEDIA_WRITE_ERR); +} + +static int ms_rw_multi_sector(struct scsi_cmnd *srb, struct rts51x_chip *chip, + u32 start_sector, u16 sector_cnt) +{ + struct ms_info *ms_card = &(chip->ms_card); + unsigned int lun = SCSI_LUN(srb); + int retval, seg_no; + unsigned int offset = 0; + u16 old_blk = 0, new_blk = 0, log_blk, total_sec_cnt = sector_cnt; + u8 start_page, end_page = 0, page_cnt; + u8 *buf; + void *ptr = NULL; + struct ms_delay_write_tag *delay_write = &(ms_card->delay_write); + + ms_set_err_code(chip, MS_NO_ERROR); + + ms_card->counter = 0; + + buf = (u8 *) scsi_sglist(srb); + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) { + ms_rw_fail(srb, chip); + TRACE_RET(chip, retval); + } + + log_blk = (u16) (start_sector >> ms_card->block_shift); + start_page = (u8) (start_sector & ms_card->page_off); + + for (seg_no = 0; seg_no < sizeof(ms_start_idx) / 2; seg_no++) { + if (log_blk < ms_start_idx[seg_no + 1]) + break; + } + + if (ms_card->segment[seg_no].build_flag == 0) { + retval = ms_build_l2p_tbl(chip, seg_no); + if (retval != STATUS_SUCCESS) { + chip->card_fail |= MS_CARD; + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, retval); + } + } + + if (srb->sc_data_direction == DMA_TO_DEVICE) { + if (delay_write->delay_write_flag && + (delay_write->logblock == log_blk) && + (start_page > delay_write->pageoff)) { + delay_write->delay_write_flag = 0; +#ifdef MS_SPEEDUP + retval = ms_auto_copy_page(chip, + delay_write->old_phyblock, + delay_write->new_phyblock, + log_blk, + delay_write->pageoff, + start_page); +#else + retval = ms_copy_page(chip, + delay_write->old_phyblock, + delay_write->new_phyblock, + log_blk, delay_write->pageoff, + start_page); +#endif + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, retval); + } + old_blk = delay_write->old_phyblock; + new_blk = delay_write->new_phyblock; + } else if (delay_write->delay_write_flag && + (delay_write->logblock == log_blk) && + (start_page == delay_write->pageoff)) { + delay_write->delay_write_flag = 0; + old_blk = delay_write->old_phyblock; + new_blk = delay_write->new_phyblock; + } else { + retval = ms_delay_write(chip); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, retval); + } + old_blk = + ms_get_l2p_tbl(chip, seg_no, + log_blk - ms_start_idx[seg_no]); + new_blk = ms_get_unused_block(chip, seg_no); + if ((old_blk == 0xFFFF) || (new_blk == 0xFFFF)) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, STATUS_FAIL); + } + + retval = + ms_prepare_write(chip, old_blk, new_blk, log_blk, + start_page); + if (retval != STATUS_SUCCESS) { + if (monitor_card_cd(chip, MS_CARD) == + CD_NOT_EXIST) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, STATUS_FAIL); + } + + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, retval); + } + } + } else { + retval = ms_delay_write(chip); + if (retval != STATUS_SUCCESS) { + if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, STATUS_FAIL); + } + + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, retval); + } + old_blk = + ms_get_l2p_tbl(chip, seg_no, + log_blk - ms_start_idx[seg_no]); + if (old_blk == 0xFFFF) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + RTS51X_DEBUGP("seg_no = %d, old_blk = 0x%x, new_blk = 0x%x\n", seg_no, + old_blk, new_blk); + + while (total_sec_cnt) { + if ((start_page + total_sec_cnt) > (ms_card->page_off + 1)) + end_page = ms_card->page_off + 1; + else + end_page = start_page + (u8) total_sec_cnt; + page_cnt = end_page - start_page; + + RTS51X_DEBUGP("start_page = %d, end_page = %d," + "page_cnt = %d\n", + start_page, end_page, page_cnt); + + if (srb->sc_data_direction == DMA_FROM_DEVICE) + retval = ms_read_multiple_pages(chip, + old_blk, log_blk, + start_page, end_page, + buf, &ptr, &offset); + else + retval = ms_write_multiple_pages(chip, old_blk, + new_blk, log_blk, + start_page, end_page, + buf, &ptr, &offset); + + if (retval != STATUS_SUCCESS) { + if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, STATUS_FAIL); + } + + ms_rw_fail(srb, chip); + TRACE_RET(chip, retval); + } + /* Update L2P table if need */ + if (srb->sc_data_direction == DMA_TO_DEVICE) { + if (end_page == (ms_card->page_off + 1)) { + retval = ms_erase_block(chip, old_blk); + if (retval == STATUS_SUCCESS) + ms_set_unused_block(chip, old_blk); + ms_set_l2p_tbl(chip, seg_no, + log_blk - ms_start_idx[seg_no], + new_blk); + } + } + + total_sec_cnt -= page_cnt; + + if (total_sec_cnt == 0) + break; + + log_blk++; + + for (seg_no = 0; seg_no < sizeof(ms_start_idx) / 2; seg_no++) { + if (log_blk < ms_start_idx[seg_no + 1]) + break; + } + + if (ms_card->segment[seg_no].build_flag == 0) { + retval = ms_build_l2p_tbl(chip, seg_no); + if (retval != STATUS_SUCCESS) { + chip->card_fail |= MS_CARD; + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, retval); + } + } + + old_blk = + ms_get_l2p_tbl(chip, seg_no, + log_blk - ms_start_idx[seg_no]); + if (old_blk == 0xFFFF) { + ms_rw_fail(srb, chip); + TRACE_RET(chip, STATUS_FAIL); + } + + if (srb->sc_data_direction == DMA_TO_DEVICE) { + new_blk = ms_get_unused_block(chip, seg_no); + if (new_blk == 0xFFFF) { + ms_rw_fail(srb, chip); + TRACE_RET(chip, STATUS_FAIL); + } + } + + RTS51X_DEBUGP("seg_no = %d, old_blk = 0x%x, new_blk = 0x%x\n", + seg_no, old_blk, new_blk); + + start_page = 0; + } + + if (srb->sc_data_direction == DMA_TO_DEVICE) { + if (end_page < (ms_card->page_off + 1)) { + delay_write->delay_write_flag = 1; + delay_write->old_phyblock = old_blk; + delay_write->new_phyblock = new_blk; + delay_write->logblock = log_blk; + delay_write->pageoff = end_page; + } + } + + scsi_set_resid(srb, 0); + + return STATUS_SUCCESS; +} + +int ms_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector, + u16 sector_cnt) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + + if (CHK_MSPRO(ms_card)) + retval = + mspro_rw_multi_sector(srb, chip, start_sector, sector_cnt); + else + retval = + ms_rw_multi_sector(srb, chip, start_sector, sector_cnt); + + return retval; +} + +void ms_free_l2p_tbl(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int i = 0; + + if (ms_card->segment != NULL) { + for (i = 0; i < ms_card->segment_cnt; i++) { + if (ms_card->segment[i].l2p_table != NULL) { + vfree(ms_card->segment[i].l2p_table); + ms_card->segment[i].l2p_table = NULL; + } + if (ms_card->segment[i].free_table != NULL) { + vfree(ms_card->segment[i].free_table); + ms_card->segment[i].free_table = NULL; + } + } + vfree(ms_card->segment); + ms_card->segment = NULL; + } +} + +void ms_cleanup_work(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + + if (CHK_MSPRO(ms_card)) { + if (ms_card->seq_mode) { + RTS51X_DEBUGP("MS Pro: stop transmission\n"); + mspro_stop_seq_mode(chip); + ms_card->counter = 0; + } + if (CHK_MSHG(ms_card)) { + u8 value; + rts51x_read_register(chip, MS_CFG, &value); + if (value & MS_2K_SECTOR_MODE) + rts51x_write_register(chip, MS_CFG, + MS_2K_SECTOR_MODE, 0x00); + } + } else if ((!CHK_MSPRO(ms_card)) + && ms_card->delay_write.delay_write_flag) { + RTS51X_DEBUGP("MS: delay write\n"); + ms_delay_write(chip); + ms_card->counter = 0; + } +} + +int ms_power_off_card3v3(struct rts51x_chip *chip) +{ + int retval; + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, MS_CLK_EN, 0); + if (chip->asic_code) + ms_pull_ctl_disable(chip); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, + FPGA_MS_PULL_CTL_BIT | 0x20, + FPGA_MS_PULL_CTL_BIT); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, MS_OUTPUT_EN, 0); + if (!chip->option.FT2_fast_mode) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK, + POWER_OFF); + } + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +int release_ms_card(struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + + RTS51X_DEBUGP("release_ms_card\n"); + + ms_card->delay_write.delay_write_flag = 0; + ms_card->pro_under_formatting = 0; + + chip->card_ready &= ~MS_CARD; + chip->card_fail &= ~MS_CARD; + chip->card_wp &= ~MS_CARD; + + ms_free_l2p_tbl(chip); + + rts51x_write_register(chip, SFSM_ED, HW_CMD_STOP, HW_CMD_STOP); + + memset(ms_card->raw_sys_info, 0, 96); +#ifdef SUPPORT_PCGL_1P18 + memset(ms_card->raw_model_name, 0, 48); +#endif + + retval = ms_power_off_card3v3(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} diff --git a/drivers/staging/rts5139/ms.h b/drivers/staging/rts5139/ms.h new file mode 100644 index 0000000..f9d46d2 --- /dev/null +++ b/drivers/staging/rts5139/ms.h @@ -0,0 +1,263 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_MS_H +#define __RTS51X_MS_H + +#include "rts51x_chip.h" + +#define MS_MAX_RETRY_COUNT 3 + +#define MS_EXTRA_SIZE 0x9 + +#define WRT_PRTCT 0x01 + +/* Error Code */ +#define MS_NO_ERROR 0x00 +#define MS_CRC16_ERROR 0x80 +#define MS_TO_ERROR 0x40 +#define MS_NO_CARD 0x20 +#define MS_NO_MEMORY 0x10 +#define MS_CMD_NK 0x08 +#define MS_FLASH_READ_ERROR 0x04 +#define MS_FLASH_WRITE_ERROR 0x02 +#define MS_BREQ_ERROR 0x01 +#define MS_NOT_FOUND 0x03 + +/* Transfer Protocol Command */ +#define READ_PAGE_DATA 0x02 +#define READ_REG 0x04 +#define GET_INT 0x07 +#define WRITE_PAGE_DATA 0x0D +#define WRITE_REG 0x0B +#define SET_RW_REG_ADRS 0x08 +#define SET_CMD 0x0E + +#define PRO_READ_LONG_DATA 0x02 +#define PRO_READ_SHORT_DATA 0x03 +#define PRO_READ_REG 0x04 +#define PRO_READ_QUAD_DATA 0x05 +#define PRO_GET_INT 0x07 +#define PRO_WRITE_LONG_DATA 0x0D +#define PRO_WRITE_SHORT_DATA 0x0C +#define PRO_WRITE_QUAD_DATA 0x0A +#define PRO_WRITE_REG 0x0B +#define PRO_SET_RW_REG_ADRS 0x08 +#define PRO_SET_CMD 0x0E +#define PRO_EX_SET_CMD 0x09 + +#ifdef SUPPORT_MAGIC_GATE +#define MG_GET_ID 0x40 +#define MG_SET_LID 0x41 +#define MG_GET_LEKB 0x42 +#define MG_SET_RD 0x43 +#define MG_MAKE_RMS 0x44 +#define MG_MAKE_KSE 0x45 +#define MG_SET_IBD 0x46 +#define MG_GET_IBD 0x47 +#endif + +#ifdef XC_POWERCLASS +#define XC_CHG_POWER 0x16 +#endif + +/* ++ CMD over Memory Stick */ +/* Flash CMD */ +#define BLOCK_READ 0xAA +#define BLOCK_WRITE 0x55 +#define BLOCK_END 0x33 +#define BLOCK_ERASE 0x99 +#define FLASH_STOP 0xCC + +/* Function CMD */ +#define SLEEP 0x5A +#define CLEAR_BUF 0xC3 +#define MS_RESET 0x3C +/* -- CMD over Memory Stick */ + +/* ++ CMD over Memory Stick Pro */ +/* Flash CMD */ +#define PRO_READ_DATA 0x20 +#define PRO_WRITE_DATA 0x21 +#define PRO_READ_ATRB 0x24 +#define PRO_STOP 0x25 +#define PRO_ERASE 0x26 +#define PRO_READ_2K_DATA 0x27 +#define PRO_WRITE_2K_DATA 0x28 + +/* Function CMD */ +#define PRO_FORMAT 0x10 +#define PRO_SLEEP 0x11 +/* -- CMD over Memory Stick Pro */ + +/* register inside memory stick */ +#define IntReg 0x01 +#define StatusReg0 0x02 +#define StatusReg1 0x03 + +#define SystemParm 0x10 +#define BlockAdrs 0x11 +#define CMDParm 0x14 +#define PageAdrs 0x15 + +#define OverwriteFlag 0x16 +#define ManagemenFlag 0x17 +#define LogicalAdrs 0x18 +#define ReserveArea 0x1A + +/* register inside memory pro */ +#define Pro_IntReg 0x01 +#define Pro_StatusReg 0x02 +#define Pro_TypeReg 0x04 +#define Pro_IFModeReg 0x05 +#define Pro_CatagoryReg 0x06 +#define Pro_ClassReg 0x07 + +#define Pro_SystemParm 0x10 +#define Pro_DataCount1 0x11 +#define Pro_DataCount0 0x12 +#define Pro_DataAddr3 0x13 +#define Pro_DataAddr2 0x14 +#define Pro_DataAddr1 0x15 +#define Pro_DataAddr0 0x16 + +#define Pro_TPCParm 0x17 +#define Pro_CMDParm 0x18 + +/* define for INT Register */ +#define INT_REG_CED 0x80 +#define INT_REG_ERR 0x40 +#define INT_REG_BREQ 0x20 +#define INT_REG_CMDNK 0x01 + +/* INT signal */ +#define INT_CED 0x01 +#define INT_ERR 0x02 +#define INT_BREQ 0x04 +#define INT_CMDNK 0x08 + +/* define for OverwriteFlag Register */ +#define BLOCK_BOOT 0xC0 +#define BLOCK_OK 0x80 +#define PAGE_OK 0x60 +#define DATA_COMPL 0x10 + +/* define for ManagemenFlag Register */ +#define NOT_BOOT_BLOCK 0x4 +#define NOT_TRANSLATION_TABLE 0x8 + +/* Header */ +#define HEADER_ID0 (PPBUF_BASE2) /* 0 */ +#define HEADER_ID1 (PPBUF_BASE2 + 1) /* 1 */ +/* System Entry */ +#define DISABLED_BLOCK0 (PPBUF_BASE2 + 0x170 + 4) /* 2 */ +#define DISABLED_BLOCK1 (PPBUF_BASE2 + 0x170 + 5) /* 3 */ +#define DISABLED_BLOCK2 (PPBUF_BASE2 + 0x170 + 6) /* 4 */ +#define DISABLED_BLOCK3 (PPBUF_BASE2 + 0x170 + 7) /* 5 */ +/* Boot & Attribute Information */ +#define BLOCK_SIZE_0 (PPBUF_BASE2 + 0x1a0 + 2) /* 6 */ +#define BLOCK_SIZE_1 (PPBUF_BASE2 + 0x1a0 + 3) /* 7 */ +#define BLOCK_COUNT_0 (PPBUF_BASE2 + 0x1a0 + 4) /* 8 */ +#define BLOCK_COUNT_1 (PPBUF_BASE2 + 0x1a0 + 5) /* 9 */ +#define EBLOCK_COUNT_0 (PPBUF_BASE2 + 0x1a0 + 6) /* 10 */ +#define EBLOCK_COUNT_1 (PPBUF_BASE2 + 0x1a0 + 7) /* 11 */ +#define PAGE_SIZE_0 (PPBUF_BASE2 + 0x1a0 + 8) /* 12 */ +#define PAGE_SIZE_1 (PPBUF_BASE2 + 0x1a0 + 9) /* 13 */ + +/* joey 2004-08-07 for MS check Procedure */ +#define MS_Device_Type (PPBUF_BASE2 + 0x1D8) /* 14 */ +/* end */ + +/* joey 2004-05-03 */ +#define MS_4bit_Support (PPBUF_BASE2 + 0x1D3) /* 15 */ +/* end */ + +#define setPS_NG 1 +#define setPS_Error 0 + +/* define for Pro_SystemParm Register */ +#define PARALLEL_8BIT_IF 0x40 +#define PARALLEL_4BIT_IF 0x00 +#define SERIAL_IF 0x80 + +/* define for StatusReg0 Register */ +#define BUF_FULL 0x10 +#define BUF_EMPTY 0x20 + +/* define for StatusReg1 Register */ +#define MEDIA_BUSY 0x80 +#define FLASH_BUSY 0x40 +#define DATA_ERROR 0x20 +#define STS_UCDT 0x10 +#define EXTRA_ERROR 0x08 +#define STS_UCEX 0x04 +#define FLAG_ERROR 0x02 +#define STS_UCFG 0x01 + +#define MS_SHORT_DATA_LEN 32 + +#define FORMAT_SUCCESS 0 +#define FORMAT_FAIL 1 +#define FORMAT_IN_PROGRESS 2 + +#define MS_SET_BAD_BLOCK_FLG(ms_card) ((ms_card)->multi_flag |= 0x80) +#define MS_CLR_BAD_BLOCK_FLG(ms_card) ((ms_card)->multi_flag &= 0x7F) +#define MS_TST_BAD_BLOCK_FLG(ms_card) ((ms_card)->multi_flag & 0x80) + +#define CHECK_MS_TRANS_FAIL(chip, retval) \ + (((retval) != STATUS_SUCCESS) || \ + (chip->rsp_buf[0] & MS_TRANSFER_ERR)) + +void mspro_polling_format_status(struct rts51x_chip *chip); +void mspro_format_sense(struct rts51x_chip *chip, unsigned int lun); + +void mspro_stop_seq_mode(struct rts51x_chip *chip); +int reset_ms_card(struct rts51x_chip *chip); +int ms_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector, + u16 sector_cnt); +int mspro_format(struct scsi_cmnd *srb, struct rts51x_chip *chip, + int short_data_len, int quick_format); +void ms_free_l2p_tbl(struct rts51x_chip *chip); +void ms_cleanup_work(struct rts51x_chip *chip); +int ms_power_off_card3v3(struct rts51x_chip *chip); +int release_ms_card(struct rts51x_chip *chip); +int ms_delay_write(struct rts51x_chip *chip); + +#ifdef SUPPORT_MAGIC_GATE + +int ms_switch_clock(struct rts51x_chip *chip); +int ms_write_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 * data, + int data_len); +int ms_read_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 * data, + int data_len); +int ms_set_rw_reg_addr(struct rts51x_chip *chip, u8 read_start, u8 read_cnt, + u8 write_start, u8 write_cnt); +int ms_transfer_data(struct rts51x_chip *chip, u8 trans_mode, u8 tpc, + u16 sec_cnt, u8 cfg, int mode_2k, int use_sg, void *buf, + int buf_len); +#endif + +#endif /* __RTS51X_MS_H */ diff --git a/drivers/staging/rts5139/ms_mg.c b/drivers/staging/rts5139/ms_mg.c new file mode 100644 index 0000000..154b523 --- /dev/null +++ b/drivers/staging/rts5139/ms_mg.c @@ -0,0 +1,642 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#include <linux/blkdev.h> +#include <linux/kthread.h> +#include <linux/sched.h> +#include <linux/slab.h> + +#include "debug.h" +#include "trace.h" +#include "rts51x.h" +#include "rts51x_transport.h" +#include "rts51x_scsi.h" +#include "rts51x_card.h" +#include "ms.h" + +#ifdef SUPPORT_MAGIC_GATE + +int mg_check_int_error(struct rts51x_chip *chip) +{ + u8 value; + + rts51x_read_register(chip, MS_TRANS_CFG, &value); + if (value & (INT_ERR | INT_CMDNK)) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +static int mg_send_ex_cmd(struct rts51x_chip *chip, u8 cmd, u8 entry_num) +{ + int retval, i; + u8 data[8]; + + data[0] = cmd; + data[1] = 0; + data[2] = 0; + data[3] = 0; + data[4] = 0; + data[5] = 0; + data[6] = entry_num; + data[7] = 0; + + for (i = 0; i < MS_MAX_RETRY_COUNT; i++) { + retval = + ms_write_bytes(chip, PRO_EX_SET_CMD, 7, WAIT_INT, data, 8); + if (retval == STATUS_SUCCESS) + break; + } + if (i == MS_MAX_RETRY_COUNT) + TRACE_RET(chip, STATUS_FAIL); + retval = mg_check_int_error(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +int mg_set_tpc_para_sub(struct rts51x_chip *chip, int type, u8 mg_entry_num) +{ + int retval; + u8 buf[6]; + + RTS51X_DEBUGP("--%s--\n", __func__); + + if (type == 0) + retval = ms_set_rw_reg_addr(chip, 0, 0, Pro_TPCParm, 1); + else + retval = ms_set_rw_reg_addr(chip, 0, 0, Pro_DataCount1, 6); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + buf[0] = 0; + buf[1] = 0; + if (type == 1) { + buf[2] = 0; + buf[3] = 0; + buf[4] = 0; + buf[5] = mg_entry_num; + } + retval = + ms_write_bytes(chip, PRO_WRITE_REG, (type == 0) ? 1 : 6, + NO_WAIT_INT, buf, 6); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +/** + * Get MagciGate ID and set Leaf ID to medium. + + * After receiving this SCSI command, adapter shall fulfill 2 tasks + * below in order: + * 1. send GET_ID TPC command to get MagicGate ID and hold it till + * Response&challenge CMD. + * 2. send SET_ID TPC command to medium with Leaf ID released by host + * in this SCSI CMD. + */ +int mg_set_leaf_id(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int retval; + int i; + unsigned int lun = SCSI_LUN(srb); + u8 buf1[32], buf2[12]; + + RTS51X_DEBUGP("--%s--\n", __func__); + + if (scsi_bufflen(srb) < 12) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, STATUS_FAIL); + } + ms_cleanup_work(chip); + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = mg_send_ex_cmd(chip, MG_SET_LID, 0); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB); + TRACE_RET(chip, retval); + } + + memset(buf1, 0, 32); + rts51x_get_xfer_buf(buf2, min(12, (int)scsi_bufflen(srb)), srb); + for (i = 0; i < 8; i++) + buf1[8 + i] = buf2[4 + i]; + retval = + ms_write_bytes(chip, PRO_WRITE_SHORT_DATA, 32, WAIT_INT, buf1, 32); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB); + TRACE_RET(chip, retval); + } + retval = mg_check_int_error(chip); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB); + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +/** + * Send Local EKB to host. + + * After receiving this SCSI command, adapter shall read the divided + * data(1536 bytes totally) from medium by using READ_LONG_DATA TPC + * for 3 times, and report data to host with data-length is 1052 bytes. + */ +int mg_get_local_EKB(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int retval = STATUS_FAIL; + int bufflen; + unsigned int lun = SCSI_LUN(srb); + u8 *buf = NULL; + + RTS51X_DEBUGP("--%s--\n", __func__); + + ms_cleanup_work(chip); + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + buf = kmalloc(1540, GFP_KERNEL); + if (!buf) + TRACE_RET(chip, STATUS_NOMEM); + + buf[0] = 0x04; + buf[1] = 0x1A; + buf[2] = 0x00; + buf[3] = 0x00; + + retval = mg_send_ex_cmd(chip, MG_GET_LEKB, 0); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); + TRACE_GOTO(chip, GetEKBFinish); + } + + retval = ms_transfer_data(chip, MS_TM_AUTO_READ, PRO_READ_LONG_DATA, + 3, WAIT_INT, 0, 0, buf + 4, 1536); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); + rts51x_write_register(chip, CARD_STOP, MS_STOP | MS_CLR_ERR, + MS_STOP | MS_CLR_ERR); + TRACE_GOTO(chip, GetEKBFinish); + } + retval = mg_check_int_error(chip); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); + TRACE_GOTO(chip, GetEKBFinish); + } + + bufflen = min(1052, (int)scsi_bufflen(srb)); + rts51x_set_xfer_buf(buf, bufflen, srb); + +GetEKBFinish: + kfree(buf); + return retval; +} + +/** + * Send challenge(host) to medium. + + * After receiving this SCSI command, adapter shall sequentially issues + * TPC commands to the medium for writing 8-bytes data as challenge + * by host within a short data packet. + */ +int mg_chg(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + int bufflen; + int i; + unsigned int lun = SCSI_LUN(srb); + u8 buf[32], tmp; + + RTS51X_DEBUGP("--%s--\n", __func__); + + ms_cleanup_work(chip); + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = mg_send_ex_cmd(chip, MG_GET_ID, 0); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); + TRACE_RET(chip, retval); + } + + retval = + ms_read_bytes(chip, PRO_READ_SHORT_DATA, 32, WAIT_INT, buf, 32); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); + TRACE_RET(chip, retval); + } + retval = mg_check_int_error(chip); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); + TRACE_RET(chip, retval); + } + + memcpy(ms_card->magic_gate_id, buf, 16); + + for (i = 0; i < 2500; i++) { + RTS51X_READ_REG(chip, MS_TRANS_CFG, &tmp); + if (tmp & + (MS_INT_CED | MS_INT_CMDNK | MS_INT_BREQ | MS_INT_ERR)) + break; + + wait_timeout(1); + } + + if (i == 2500) { + set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); + TRACE_RET(chip, STATUS_FAIL); + } + + retval = mg_send_ex_cmd(chip, MG_SET_RD, 0); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); + TRACE_RET(chip, retval); + } + + bufflen = min(12, (int)scsi_bufflen(srb)); + rts51x_get_xfer_buf(buf, bufflen, srb); + + for (i = 0; i < 8; i++) + buf[i] = buf[4 + i]; + for (i = 0; i < 24; i++) + buf[8 + i] = 0; + retval = + ms_write_bytes(chip, PRO_WRITE_SHORT_DATA, 32, WAIT_INT, buf, 32); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); + TRACE_RET(chip, retval); + } + retval = mg_check_int_error(chip); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); + TRACE_RET(chip, retval); + } + + ms_card->mg_auth = 0; + + return STATUS_SUCCESS; +} + +/** + * Send Response and Challenge data to host. + + * After receiving this SCSI command, adapter shall communicates with + * the medium, get parameters(HRd, Rms, MagicGateID) by using READ_SHORT_DATA + * TPC and send the data to host according to certain format required by + * MG-R specification. + * The paremeter MagicGateID is the one that adapter has obtained from + * the medium by TPC commands in Set Leaf ID command phase previously. + */ +int mg_get_rsp_chg(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval, i; + int bufflen; + unsigned int lun = SCSI_LUN(srb); + u8 buf1[32], buf2[36], tmp; + + RTS51X_DEBUGP("--%s--\n", __func__); + + ms_cleanup_work(chip); + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = mg_send_ex_cmd(chip, MG_MAKE_RMS, 0); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); + TRACE_RET(chip, retval); + } + + retval = + ms_read_bytes(chip, PRO_READ_SHORT_DATA, 32, WAIT_INT, buf1, 32); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); + TRACE_RET(chip, retval); + } + retval = mg_check_int_error(chip); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); + TRACE_RET(chip, retval); + } + + buf2[0] = 0x00; + buf2[1] = 0x22; + buf2[2] = 0x00; + buf2[3] = 0x00; + + memcpy(buf2 + 4, ms_card->magic_gate_id, 16); + memcpy(buf2 + 20, buf1, 16); + + bufflen = min(36, (int)scsi_bufflen(srb)); + rts51x_set_xfer_buf(buf2, bufflen, srb); + + for (i = 0; i < 2500; i++) { + RTS51X_READ_REG(chip, MS_TRANS_CFG, &tmp); + if (tmp & (MS_INT_CED | MS_INT_CMDNK | + MS_INT_BREQ | MS_INT_ERR)) + break; + + wait_timeout(1); + } + + if (i == 2500) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +/** + * Send response(host) to medium. + + * After receiving this SCSI command, adapter shall sequentially + * issues TPC commands to the medium for writing 8-bytes data as + * challenge by host within a short data packet. + */ +int mg_rsp(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + int i; + int bufflen; + unsigned int lun = SCSI_LUN(srb); + u8 buf[32]; + + RTS51X_DEBUGP("--%s--\n", __func__); + + ms_cleanup_work(chip); + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = mg_send_ex_cmd(chip, MG_MAKE_KSE, 0); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); + TRACE_RET(chip, retval); + } + + bufflen = min(12, (int)scsi_bufflen(srb)); + rts51x_get_xfer_buf(buf, bufflen, srb); + + for (i = 0; i < 8; i++) + buf[i] = buf[4 + i]; + for (i = 0; i < 24; i++) + buf[8 + i] = 0; + retval = + ms_write_bytes(chip, PRO_WRITE_SHORT_DATA, 32, WAIT_INT, buf, 32); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); + TRACE_RET(chip, retval); + } + retval = mg_check_int_error(chip); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); + TRACE_RET(chip, retval); + } + + ms_card->mg_auth = 1; + + return STATUS_SUCCESS; +} + +/** * Send ICV data to host. + + * After receiving this SCSI command, adapter shall read the divided + * data(1024 bytes totally) from medium by using READ_LONG_DATA TPC + * for 2 times, and report data to host with data-length is 1028 bytes. + * + * Since the extra 4 bytes data is just only a prefix to original data + * that read from medium, so that the 4-byte data pushed into Ring buffer + * precedes data tramsinssion from medium to Ring buffer by DMA mechanisim + * in order to get maximum performance and minimum code size simultaneously. + */ +int mg_get_ICV(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + int bufflen; + unsigned int lun = SCSI_LUN(srb); + u8 *buf = NULL; + + RTS51X_DEBUGP("--%s--\n", __func__); + + ms_cleanup_work(chip); + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + buf = kmalloc(1028, GFP_KERNEL); + if (!buf) + TRACE_RET(chip, STATUS_NOMEM); + + buf[0] = 0x04; + buf[1] = 0x02; + buf[2] = 0x00; + buf[3] = 0x00; + + retval = mg_send_ex_cmd(chip, MG_GET_IBD, ms_card->mg_entry_num); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_GOTO(chip, GetICVFinish); + } + + retval = ms_transfer_data(chip, MS_TM_AUTO_READ, PRO_READ_LONG_DATA, + 2, WAIT_INT, 0, 0, buf + 4, 1024); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + rts51x_write_register(chip, CARD_STOP, MS_STOP | MS_CLR_ERR, + MS_STOP | MS_CLR_ERR); + TRACE_GOTO(chip, GetICVFinish); + } + retval = mg_check_int_error(chip); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_GOTO(chip, GetICVFinish); + } + + bufflen = min(1028, (int)scsi_bufflen(srb)); + rts51x_set_xfer_buf(buf, bufflen, srb); + +GetICVFinish: + kfree(buf); + return retval; +} + +/** + * Send ICV data to medium. + + * After receiving this SCSI command, adapter shall receive 1028 bytes + * and write the later 1024 bytes to medium by WRITE_LONG_DATA TPC + * consecutively. + * + * Since the first 4-bytes data is just only a prefix to original data + * that sent by host, and it should be skipped by shifting DMA pointer + * before writing 1024 bytes to medium. + */ +int mg_set_ICV(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + int retval; + int bufflen; +#ifdef MG_SET_ICV_SLOW + int i; +#endif + unsigned int lun = SCSI_LUN(srb); + u8 *buf = NULL; + + RTS51X_DEBUGP("--%s--\n", __func__); + + ms_cleanup_work(chip); + + retval = ms_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + buf = kmalloc(1028, GFP_KERNEL); + if (!buf) + TRACE_RET(chip, STATUS_NOMEM); + + bufflen = min(1028, (int)scsi_bufflen(srb)); + rts51x_get_xfer_buf(buf, bufflen, srb); + + retval = mg_send_ex_cmd(chip, MG_SET_IBD, ms_card->mg_entry_num); + if (retval != STATUS_SUCCESS) { + if (ms_card->mg_auth == 0) { + if ((buf[5] & 0xC0) != 0) + set_sense_type(chip, lun, + SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB); + else + set_sense_type(chip, lun, + SENSE_TYPE_MG_WRITE_ERR); + } else { + set_sense_type(chip, lun, SENSE_TYPE_MG_WRITE_ERR); + } + TRACE_GOTO(chip, SetICVFinish); + } + +#ifdef MG_SET_ICV_SLOW + for (i = 0; i < 2; i++) { + udelay(50); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, + PRO_WRITE_LONG_DATA); + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, + WAIT_INT); + + trans_dma_enable(DMA_TO_DEVICE, chip, 512, DMA_512); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF, + MS_TRANSFER_START | MS_TM_NORMAL_WRITE); + rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, + MS_TRANSFER_END, MS_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CDOR, 100); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MG_WRITE_ERR); + TRACE_GOTO(chip, SetICVFinish); + } + + retval = rts51x_transfer_data_rcc(chip, SND_BULK_PIPE(chip), + buf + 4 + i * 512, 512, 0, + NULL, 3000, STAGE_DO); + if (retval != STATUS_SUCCESS) { + rts51x_clear_ms_error(chip); + if (ms_card->mg_auth == 0) { + if ((buf[5] & 0xC0) != 0) + set_sense_type(chip, lun, + SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB); + else + set_sense_type(chip, lun, + SENSE_TYPE_MG_WRITE_ERR); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MG_WRITE_ERR); + } + retval = STATUS_FAIL; + TRACE_GOTO(chip, SetICVFinish); + } + + retval = rts51x_get_rsp(chip, 1, 3000); + if (CHECK_MS_TRANS_FAIL(chip, retval) + || mg_check_int_error(chip)) { + rts51x_clear_ms_error(chip); + if (ms_card->mg_auth == 0) { + if ((buf[5] & 0xC0) != 0) + set_sense_type(chip, lun, + SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB); + else + set_sense_type(chip, lun, + SENSE_TYPE_MG_WRITE_ERR); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MG_WRITE_ERR); + } + retval = STATUS_FAIL; + TRACE_GOTO(chip, SetICVFinish); + } + } +#else + retval = ms_transfer_data(chip, MS_TM_AUTO_WRITE, PRO_WRITE_LONG_DATA, + 2, WAIT_INT, 0, 0, buf + 4, 1024); + if (retval != STATUS_SUCCESS) { + rts51x_clear_ms_error(chip); + if (ms_card->mg_auth == 0) { + if ((buf[5] & 0xC0) != 0) + set_sense_type(chip, lun, + SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB); + else + set_sense_type(chip, lun, + SENSE_TYPE_MG_WRITE_ERR); + } else { + set_sense_type(chip, lun, SENSE_TYPE_MG_WRITE_ERR); + } + TRACE_GOTO(chip, SetICVFinish); + } +#endif + +SetICVFinish: + kfree(buf); + return retval; +} + +#endif /* SUPPORT_MAGIC_GATE */ diff --git a/drivers/staging/rts5139/ms_mg.h b/drivers/staging/rts5139/ms_mg.h new file mode 100644 index 0000000..e2ca550 --- /dev/null +++ b/drivers/staging/rts5139/ms_mg.h @@ -0,0 +1,41 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_MS_MG_H +#define __RTS51X_MS_MG_H + +#include "rts51x_chip.h" +#include "ms.h" + +int mg_set_leaf_id(struct scsi_cmnd *srb, struct rts51x_chip *chip); +int mg_get_local_EKB(struct scsi_cmnd *srb, struct rts51x_chip *chip); +int mg_chg(struct scsi_cmnd *srb, struct rts51x_chip *chip); +int mg_get_rsp_chg(struct scsi_cmnd *srb, struct rts51x_chip *chip); +int mg_rsp(struct scsi_cmnd *srb, struct rts51x_chip *chip); +int mg_get_ICV(struct scsi_cmnd *srb, struct rts51x_chip *chip); +int mg_set_ICV(struct scsi_cmnd *srb, struct rts51x_chip *chip); + +#endif /* __RTS51X_MS_MG_H */ diff --git a/drivers/staging/rts5139/rts51x.c b/drivers/staging/rts5139/rts51x.c new file mode 100644 index 0000000..d9cee6d --- /dev/null +++ b/drivers/staging/rts5139/rts51x.c @@ -0,0 +1,967 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#include <linux/blkdev.h> +#include <linux/kthread.h> +#include <linux/sched.h> +#include <linux/workqueue.h> +#include <linux/errno.h> +#include <linux/freezer.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/mutex.h> +#include <linux/utsname.h> +#include <linux/usb.h> + +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_devinfo.h> +#include <scsi/scsi_eh.h> +#include <scsi/scsi_host.h> + +#include "debug.h" +#include "ms.h" +#include "rts51x.h" +#include "rts51x_chip.h" +#include "rts51x_card.h" +#include "rts51x_scsi.h" +#include "rts51x_transport.h" +#include "rts51x_fop.h" + +MODULE_DESCRIPTION(RTS51X_DESC); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRIVER_VERSION); + +#ifdef SCSI_SCAN_DELAY +static unsigned int delay_use = 5; +module_param(delay_use, uint, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(delay_use, "seconds to delay before using a new device"); +#endif + +static int auto_delink_en; +module_param(auto_delink_en, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(auto_delink_en, "enable auto delink"); + +static int ss_en; +module_param(ss_en, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(ss_en, "enable selective suspend"); + +static int ss_delay = 50; +module_param(ss_delay, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(ss_delay, + "seconds to delay before entering selective suspend"); + +static int needs_remote_wakeup; +module_param(needs_remote_wakeup, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(needs_remote_wakeup, "ss state needs remote wakeup supported"); + +#ifdef SUPPORT_FILE_OP +static const struct file_operations rts51x_fops = { + .owner = THIS_MODULE, + .read = rts51x_read, + .write = rts51x_write, + .unlocked_ioctl = rts51x_ioctl, + .open = rts51x_open, + .release = rts51x_release, +}; + +/* + * usb class driver info in order to get a minor number from the usb core, + * and to have the device registered with the driver core + */ +static struct usb_class_driver rts51x_class = { + .name = "rts51x%d", + .fops = &rts51x_fops, + .minor_base = 192, +}; +#endif + +#ifdef CONFIG_PM /* Minimal support for suspend and resume */ + +static inline void usb_autopm_enable(struct usb_interface *intf) +{ + atomic_set(&intf->pm_usage_cnt, 1); + usb_autopm_put_interface(intf); +} + +static inline void usb_autopm_disable(struct usb_interface *intf) +{ + atomic_set(&intf->pm_usage_cnt, 0); + usb_autopm_get_interface(intf); +} + +void rts51x_try_to_enter_ss(struct rts51x_chip *chip) +{ + RTS51X_DEBUGP("Ready to enter SS state\n"); + usb_autopm_enable(chip->usb->pusb_intf); +} + +void rts51x_try_to_exit_ss(struct rts51x_chip *chip) +{ + RTS51X_DEBUGP("Exit from SS state\n"); + usb_autopm_disable(chip->usb->pusb_intf); +} + +int rts51x_suspend(struct usb_interface *iface, pm_message_t message) +{ + struct rts51x_chip *chip = usb_get_intfdata(iface); + + RTS51X_DEBUGP("%s, message.event = 0x%x\n", __func__, message.event); + + /* Wait until no command is running */ + mutex_lock(&chip->usb->dev_mutex); + + chip->fake_card_ready = chip->card_ready; + rts51x_do_before_power_down(chip); + + if (message.event == PM_EVENT_AUTO_SUSPEND) { + RTS51X_DEBUGP("Enter SS state"); + chip->resume_from_scsi = 0; + RTS51X_SET_STAT(chip, STAT_SS); + } else { + RTS51X_DEBUGP("Enter SUSPEND state"); + RTS51X_SET_STAT(chip, STAT_SUSPEND); + } + + /* When runtime PM is working, we'll set a flag to indicate + * whether we should autoresume when a SCSI request arrives. */ + + mutex_unlock(&chip->usb->dev_mutex); + return 0; +} + +int rts51x_resume(struct usb_interface *iface) +{ + struct rts51x_chip *chip = usb_get_intfdata(iface); + + RTS51X_DEBUGP("%s\n", __func__); + + if (!RTS51X_CHK_STAT(chip, STAT_SS) || !chip->resume_from_scsi) { + mutex_lock(&chip->usb->dev_mutex); + + if (chip->option.ss_en) { + if (GET_PM_USAGE_CNT(chip) <= 0) { + /* Remote wake up, increase pm_usage_cnt */ + RTS51X_DEBUGP("Incr pm_usage_cnt\n"); + SET_PM_USAGE_CNT(chip, 1); + } + } + + RTS51X_SET_STAT(chip, STAT_RUN); + + rts51x_init_chip(chip); + rts51x_init_cards(chip); + + mutex_unlock(&chip->usb->dev_mutex); + } + + return 0; +} + +int rts51x_reset_resume(struct usb_interface *iface) +{ + struct rts51x_chip *chip = usb_get_intfdata(iface); + + RTS51X_DEBUGP("%s\n", __func__); + + mutex_lock(&chip->usb->dev_mutex); + + RTS51X_SET_STAT(chip, STAT_RUN); + + if (chip->option.ss_en) + SET_PM_USAGE_CNT(chip, 1); + + rts51x_init_chip(chip); + rts51x_init_cards(chip); + + mutex_unlock(&chip->usb->dev_mutex); + + /* FIXME: Notify the subdrivers that they need to reinitialize + * the device */ + return 0; +} + +#else /* CONFIG_PM */ + +void rts51x_try_to_enter_ss(struct rts51x_chip *chip) +{ +} + +void rts51x_try_to_exit_ss(struct rts51x_chip *chip) +{ +} + +#endif /* CONFIG_PM */ + +/* + * The next two routines get called just before and just after + * a USB port reset, whether from this driver or a different one. + */ + +int rts51x_pre_reset(struct usb_interface *iface) +{ + struct rts51x_chip *chip = usb_get_intfdata(iface); + + RTS51X_DEBUGP("%s\n", __func__); + + /* Make sure no command runs during the reset */ + mutex_lock(&chip->usb->dev_mutex); + return 0; +} + +int rts51x_post_reset(struct usb_interface *iface) +{ + struct rts51x_chip *chip = usb_get_intfdata(iface); + + RTS51X_DEBUGP("%s\n", __func__); + + /* Report the reset to the SCSI core */ + /* usb_stor_report_bus_reset(us); */ + + /* FIXME: Notify the subdrivers that they need to reinitialize + * the device */ + + mutex_unlock(&chip->usb->dev_mutex); + return 0; +} + +static int rts51x_control_thread(void *__chip) +{ + struct rts51x_chip *chip = (struct rts51x_chip *)__chip; + struct Scsi_Host *host = rts51x_to_host(chip); + + for (;;) { + if (wait_for_completion_interruptible(&chip->usb->cmnd_ready)) + break; + + if (test_bit(FLIDX_DISCONNECTING, &chip->usb->dflags)) { + RTS51X_DEBUGP("-- exiting from rts51x-control\n"); + break; + } + + /* lock the device pointers */ + mutex_lock(&(chip->usb->dev_mutex)); + + /* lock access to the state */ + scsi_lock(host); + + /* When we are called with no command pending, we're done */ + if (chip->srb == NULL) { + scsi_unlock(host); + mutex_unlock(&chip->usb->dev_mutex); + RTS51X_DEBUGP("-- exiting from control thread\n"); + break; + } + + /* has the command timed out *already* ? */ + if (test_bit(FLIDX_TIMED_OUT, &chip->usb->dflags)) { + chip->srb->result = DID_ABORT << 16; + goto SkipForAbort; + } + + scsi_unlock(host); + + /* reject the command if the direction indicator + * is UNKNOWN + */ + if (chip->srb->sc_data_direction == DMA_BIDIRECTIONAL) { + RTS51X_DEBUGP("UNKNOWN data direction\n"); + chip->srb->result = DID_ERROR << 16; + } + + /* reject if target != 0 or if LUN is higher than + * the maximum known LUN + */ + else if (chip->srb->device->id) { + RTS51X_DEBUGP("Bad target number (%d:%d)\n", + chip->srb->device->id, + chip->srb->device->lun); + chip->srb->result = DID_BAD_TARGET << 16; + } + + else if (chip->srb->device->lun > chip->max_lun) { + RTS51X_DEBUGP("Bad LUN (%d:%d)\n", + chip->srb->device->id, + chip->srb->device->lun); + chip->srb->result = DID_BAD_TARGET << 16; + } + + /* we've got a command, let's do it! */ + else { + RTS51X_DEBUG(scsi_show_command(chip->srb)); + rts51x_invoke_transport(chip->srb, chip); + } + + /* lock access to the state */ + scsi_lock(host); + + /* indicate that the command is done */ + if (chip->srb->result != DID_ABORT << 16) + chip->srb->scsi_done(chip->srb); + else +SkipForAbort : + RTS51X_DEBUGP("scsi command aborted\n"); + + /* If an abort request was received we need to signal that + * the abort has finished. The proper test for this is + * the TIMED_OUT flag, not srb->result == DID_ABORT, because + * the timeout might have occurred after the command had + * already completed with a different result code. */ + if (test_bit(FLIDX_TIMED_OUT, &chip->usb->dflags)) { + complete(&(chip->usb->notify)); + + /* Allow USB transfers to resume */ + clear_bit(FLIDX_ABORTING, &chip->usb->dflags); + clear_bit(FLIDX_TIMED_OUT, &chip->usb->dflags); + } + + /* finished working on this command */ + chip->srb = NULL; + scsi_unlock(host); + + /* unlock the device pointers */ + mutex_unlock(&chip->usb->dev_mutex); + } /* for (;;) */ + + complete(&chip->usb->control_exit); + + /* Wait until we are told to stop */ +/* for (;;) { + set_current_state(TASK_INTERRUPTIBLE); + if (kthread_should_stop()) + break; + schedule(); + } + __set_current_state(TASK_RUNNING);*/ + return 0; +} + +static int rts51x_polling_thread(void *__chip) +{ + struct rts51x_chip *chip = (struct rts51x_chip *)__chip; + +#ifdef SCSI_SCAN_DELAY + /* Wait until SCSI scan finished */ + wait_timeout((delay_use + 5) * HZ); +#endif + + for (;;) { + wait_timeout(POLLING_INTERVAL); + + /* if the device has disconnected, we are free to exit */ + if (test_bit(FLIDX_DISCONNECTING, &chip->usb->dflags)) { + RTS51X_DEBUGP("-- exiting from rts51x-polling\n"); + break; + } + + /* if the device has disconnected, we are free to exit */ + /* if (kthread_should_stop()) { + printk(KERN_INFO "Stop polling thread!\n"); + break; + } */ + +#ifdef CONFIG_PM + if (RTS51X_CHK_STAT(chip, STAT_SS) || + RTS51X_CHK_STAT(chip, STAT_SS_PRE) || + RTS51X_CHK_STAT(chip, STAT_SUSPEND)) { + continue; + } + + if (ss_en) { + if (RTS51X_CHK_STAT(chip, STAT_IDLE)) { + if (chip->ss_counter < + (ss_delay * 1000 / POLLING_INTERVAL)) { + chip->ss_counter++; + } else { + /* Prepare SS state */ + RTS51X_SET_STAT(chip, STAT_SS_PRE); + rts51x_try_to_enter_ss(chip); + continue; + } + } else { + chip->ss_counter = 0; + } + } +#endif + + mspro_polling_format_status(chip); + + /* lock the device pointers */ + mutex_lock(&(chip->usb->dev_mutex)); + + rts51x_polling_func(chip); + + /* unlock the device pointers */ + mutex_unlock(&chip->usb->dev_mutex); + } /* for (;;) */ + + complete(&chip->usb->polling_exit); + + /* Wait until we are told to stop */ + /* for (;;) { + set_current_state(TASK_INTERRUPTIBLE); + if (kthread_should_stop()) + break; + schedule(); + } + __set_current_state(TASK_RUNNING); */ + return 0; +} + +#ifdef SCSI_SCAN_DELAY +/* Thread to carry out delayed SCSI-device scanning */ +static int rts51x_scan_thread(void *__chip) +{ + struct rts51x_chip *chip = (struct rts51x_chip *)__chip; + + printk(KERN_DEBUG + "rts51x: device found at %d\n", chip->usb->pusb_dev->devnum); + + set_freezable(); + /* Wait for the timeout to expire or for a disconnect */ + if (delay_use > 0) { + printk(KERN_DEBUG "rts51x: waiting for device " + "to settle before scanning\n"); + wait_event_freezable_timeout(chip->usb->delay_wait, + test_bit(FLIDX_DONT_SCAN, + &chip->usb->dflags), + delay_use * HZ); + } + + /* If the device is still connected, perform the scanning */ + if (!test_bit(FLIDX_DONT_SCAN, &chip->usb->dflags)) { + scsi_scan_host(rts51x_to_host(chip)); + printk(KERN_DEBUG "rts51x: device scan complete\n"); + + /* Should we unbind if no devices were detected? */ + } + + complete_and_exit(&chip->usb->scanning_done, 0); +} +#endif + +/* Associate our private data with the USB device */ +static int associate_dev(struct rts51x_chip *chip, struct usb_interface *intf) +{ + struct rts51x_usb *rts51x = chip->usb; +#ifdef SUPPORT_FILE_OP + int retval; +#endif + + /* Fill in the device-related fields */ + rts51x->pusb_dev = interface_to_usbdev(intf); + rts51x->pusb_intf = intf; + rts51x->ifnum = intf->cur_altsetting->desc.bInterfaceNumber; + RTS51X_DEBUGP("Vendor: 0x%04x, Product: 0x%04x, Revision: 0x%04x\n", + le16_to_cpu(rts51x->pusb_dev->descriptor.idVendor), + le16_to_cpu(rts51x->pusb_dev->descriptor.idProduct), + le16_to_cpu(rts51x->pusb_dev->descriptor.bcdDevice)); + RTS51X_DEBUGP("Interface Subclass: 0x%02x, Protocol: 0x%02x\n", + intf->cur_altsetting->desc.bInterfaceSubClass, + intf->cur_altsetting->desc.bInterfaceProtocol); + + /* Store our private data in the interface */ + usb_set_intfdata(intf, chip); + +#ifdef SUPPORT_FILE_OP + /* we can register the device now, as it is ready */ + retval = usb_register_dev(intf, &rts51x_class); + if (retval) { + /* something prevented us from registering this driver */ + RTS51X_DEBUGP("Not able to get a minor for this device."); + usb_set_intfdata(intf, NULL); + return -ENOMEM; + } +#endif + + /* Allocate the device-related DMA-mapped buffers */ + rts51x->cr = usb_buffer_alloc(rts51x->pusb_dev, sizeof(*rts51x->cr), + GFP_KERNEL, &rts51x->cr_dma); + if (!rts51x->cr) { + RTS51X_DEBUGP("usb_ctrlrequest allocation failed\n"); + usb_set_intfdata(intf, NULL); + return -ENOMEM; + } + + rts51x->iobuf = usb_buffer_alloc(rts51x->pusb_dev, RTS51X_IOBUF_SIZE, + GFP_KERNEL, &rts51x->iobuf_dma); + if (!rts51x->iobuf) { + RTS51X_DEBUGP("I/O buffer allocation failed\n"); + usb_set_intfdata(intf, NULL); + return -ENOMEM; + } + return 0; +} + +static void rts51x_init_options(struct rts51x_chip *chip) +{ + struct rts51x_option *option = &(chip->option); + + option->led_blink_speed = 7; + option->mspro_formatter_enable = 1; + + option->fpga_sd_sdr104_clk = CLK_100; + option->fpga_sd_sdr50_clk = CLK_100; + option->fpga_sd_ddr50_clk = CLK_100; + option->fpga_sd_hs_clk = CLK_100; + option->fpga_mmc_52m_clk = CLK_80; + option->fpga_ms_hg_clk = CLK_80; + option->fpga_ms_4bit_clk = CLK_80; + + option->asic_sd_sdr104_clk = 98; + option->asic_sd_sdr50_clk = 98; + option->asic_sd_ddr50_clk = 98; + option->asic_sd_hs_clk = 97; + option->asic_mmc_52m_clk = 95; + option->asic_ms_hg_clk = 116; + option->asic_ms_4bit_clk = 77; + + option->sd_ddr_tx_phase = 0; + option->mmc_ddr_tx_phase = 1; + + option->sd_speed_prior = 0; + option->sd_ctl = + SD_PUSH_POINT_AUTO | SD_SAMPLE_POINT_AUTO | SUPPORT_UHS50_MMC44; + + option->ss_en = ss_en; + option->ss_delay = ss_delay; + option->needs_remote_wakeup = needs_remote_wakeup; + + option->auto_delink_en = auto_delink_en; + + option->FT2_fast_mode = 0; + option->pwr_delay = 800; + option->xd_rw_step = 0; + option->D3318_off_delay = 50; + option->delink_delay = 100; + option->rts5129_D3318_off_enable = 0; + option->sd20_pad_drive = 0; + option->reset_or_rw_fail_set_pad_drive = 1; + option->rcc_fail_flag = 0; + option->rcc_bug_fix_en = 1; + option->debounce_num = 2; + option->polling_time = 100; + option->led_toggle_interval = 6; + option->xd_rwn_step = 0; + option->sd_send_status_en = 0; + option->sdr50_tx_phase = 0x01; + option->sdr50_rx_phase = 0x05; + option->ddr50_tx_phase = 0x09; + option->ddr50_rx_phase = 0x06; + option->sdr50_phase_sel = 0; + option->sd30_pad_drive = 1; + option->ms_errreg_fix = 0; + option->reset_mmc_first = 0; + option->speed_mmc = 1; + option->led_always_on = 0; +} + +/* Get the pipe settings */ +static int get_pipes(struct rts51x_chip *chip) +{ + struct rts51x_usb *rts51x = chip->usb; + struct usb_host_interface *altsetting = + rts51x->pusb_intf->cur_altsetting; + int i; + struct usb_endpoint_descriptor *ep; + struct usb_endpoint_descriptor *ep_in = NULL; + struct usb_endpoint_descriptor *ep_out = NULL; + struct usb_endpoint_descriptor *ep_int = NULL; + + /* + * Find the first endpoint of each type we need. + * We are expecting a minimum of 2 endpoints - in and out (bulk). + * An optional interrupt-in is OK (necessary for CBI protocol). + * We will ignore any others. + */ + for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { + ep = &altsetting->endpoint[i].desc; + + if (usb_endpoint_xfer_bulk(ep)) { + if (usb_endpoint_dir_in(ep)) { + if (!ep_in) + ep_in = ep; + } else { + if (!ep_out) + ep_out = ep; + } + } + + else if (usb_endpoint_is_int_in(ep)) { + if (!ep_int) + ep_int = ep; + } + } + + if (!ep_in || !ep_out) { + RTS51X_DEBUGP("Endpoint sanity check failed!" + "Rejecting dev.\n"); + return -EIO; + } + + /* Calculate and store the pipe values */ + rts51x->send_ctrl_pipe = usb_sndctrlpipe(rts51x->pusb_dev, 0); + rts51x->recv_ctrl_pipe = usb_rcvctrlpipe(rts51x->pusb_dev, 0); + rts51x->send_bulk_pipe = usb_sndbulkpipe(rts51x->pusb_dev, + usb_endpoint_num(ep_out)); + rts51x->recv_bulk_pipe = usb_rcvbulkpipe(rts51x->pusb_dev, + usb_endpoint_num(ep_in)); + if (ep_int) { + rts51x->recv_intr_pipe = usb_rcvintpipe(rts51x->pusb_dev, + usb_endpoint_num + (ep_int)); + rts51x->ep_bInterval = ep_int->bInterval; + } + return 0; +} + +/* Initialize all the dynamic resources we need */ +static int rts51x_acquire_resources(struct rts51x_chip *chip) +{ + struct rts51x_usb *rts51x = chip->usb; + int retval; + + rts51x->current_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!rts51x->current_urb) { + RTS51X_DEBUGP("URB allocation failed\n"); + return -ENOMEM; + } + + rts51x->intr_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!rts51x->intr_urb) { + RTS51X_DEBUGP("URB allocation failed\n"); + return -ENOMEM; + } + + chip->cmd_buf = chip->rsp_buf = rts51x->iobuf; + + rts51x_init_options(chip); + + /* Init rts51xx device */ + retval = rts51x_init_chip(chip); + if (retval != STATUS_SUCCESS) + return -EIO; + + return 0; +} + +/* Release all our dynamic resources */ +static void rts51x_release_resources(struct rts51x_chip *chip) +{ + RTS51X_DEBUGP("-- %s\n", __func__); + + /* Tell the control thread to exit. The SCSI host must + * already have been removed and the DISCONNECTING flag set + * so that we won't accept any more commands. + */ + RTS51X_DEBUGP("-- sending exit command to thread\n"); + complete(&chip->usb->cmnd_ready); + if (chip->usb->ctl_thread) + wait_for_completion(&chip->usb->control_exit); + /* kthread_stop(chip->usb->ctl_thread); */ + if (chip->usb->polling_thread) + wait_for_completion(&chip->usb->polling_exit); + + /* if (chip->usb->polling_thread) + kthread_stop(chip->usb->polling_thread); */ + + wait_timeout(200); + + /* Release rts51xx device here */ + rts51x_release_chip(chip); + + usb_free_urb(chip->usb->current_urb); + usb_free_urb(chip->usb->intr_urb); +} + +/* Dissociate from the USB device */ +static void dissociate_dev(struct rts51x_chip *chip) +{ + struct rts51x_usb *rts51x = chip->usb; + + RTS51X_DEBUGP("-- %s\n", __func__); + + /* Free the device-related DMA-mapped buffers */ + if (rts51x->cr) + usb_buffer_free(rts51x->pusb_dev, sizeof(*rts51x->cr), + rts51x->cr, rts51x->cr_dma); + if (rts51x->iobuf) + usb_buffer_free(rts51x->pusb_dev, RTS51X_IOBUF_SIZE, + rts51x->iobuf, rts51x->iobuf_dma); + + /* Remove our private data from the interface */ + usb_set_intfdata(rts51x->pusb_intf, NULL); + +#ifdef SUPPORT_FILE_OP + /* give back our minor */ + usb_deregister_dev(rts51x->pusb_intf, &rts51x_class); +#endif + + kfree(rts51x); + chip->usb = NULL; +} + +/* First stage of disconnect processing: stop SCSI scanning, + * remove the host, and stop accepting new commands + */ +static void quiesce_and_remove_host(struct rts51x_chip *chip) +{ + struct rts51x_usb *rts51x = chip->usb; + struct Scsi_Host *host = rts51x_to_host(chip); + + /* If the device is really gone, cut short reset delays */ + if (rts51x->pusb_dev->state == USB_STATE_NOTATTACHED) + set_bit(FLIDX_DISCONNECTING, &rts51x->dflags); + +#ifdef SCSI_SCAN_DELAY + /* Prevent SCSI-scanning (if it hasn't started yet) + * and wait for the SCSI-scanning thread to stop. + */ + set_bit(FLIDX_DONT_SCAN, &rts51x->dflags); + wake_up(&rts51x->delay_wait); + wait_for_completion(&rts51x->scanning_done); +#endif + + /* Removing the host will perform an orderly shutdown: caches + * synchronized, disks spun down, etc. + */ + scsi_remove_host(host); + + /* Prevent any new commands from being accepted and cut short + * reset delays. + */ + scsi_lock(host); + set_bit(FLIDX_DISCONNECTING, &rts51x->dflags); + scsi_unlock(host); +#ifdef SCSI_SCAN_DELAY + wake_up(&rts51x->delay_wait); +#endif +} + +/* Second stage of disconnect processing: deallocate all resources */ +static void release_everything(struct rts51x_chip *chip) +{ + rts51x_release_resources(chip); + dissociate_dev(chip); + + /* Drop our reference to the host; the SCSI core will free it + * (and "chip" along with it) when the refcount becomes 0. */ + scsi_host_put(rts51x_to_host(chip)); +} + +static int rts51x_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct Scsi_Host *host; + struct rts51x_chip *chip; + struct rts51x_usb *rts51x; + int result; + struct task_struct *th; + + RTS51X_DEBUGP("%s detected\n", RTS51X_NAME); + + rts51x = kzalloc(sizeof(struct rts51x_usb), GFP_KERNEL); + if (!rts51x) { + printk(KERN_WARNING RTS51X_TIP + "Unable to allocate rts51x_usb\n"); + return -ENOMEM; + } + + /* + * Ask the SCSI layer to allocate a host structure, with extra + * space at the end for our private us_data structure. + */ + host = scsi_host_alloc(&rts51x_host_template, sizeof(*chip)); + if (!host) { + printk(KERN_WARNING RTS51X_TIP + "Unable to allocate the scsi host\n"); + kfree(rts51x); + return -ENOMEM; + } + + /* + * Allow 16-byte CDBs and thus > 2TB + */ + host->max_cmd_len = 16; + chip = host_to_rts51x(host); + memset(chip, 0, sizeof(struct rts51x_chip)); + + chip->vendor_id = id->idVendor; + chip->product_id = id->idProduct; + + mutex_init(&(rts51x->dev_mutex)); + init_completion(&rts51x->cmnd_ready); + init_completion(&rts51x->control_exit); + init_completion(&rts51x->polling_exit); + init_completion(&(rts51x->notify)); +#ifdef SCSI_SCAN_DELAY + init_waitqueue_head(&rts51x->delay_wait); + init_completion(&rts51x->scanning_done); +#endif + + chip->usb = rts51x; + + /* Associate the us_data structure with the USB device */ + result = associate_dev(chip, intf); + if (result) + goto BadDevice; + + /* Find the endpoints and calculate pipe values */ + result = get_pipes(chip); + if (result) + goto BadDevice; + + /* Acquire all the other resources and add the host */ + result = rts51x_acquire_resources(chip); + if (result) + goto BadDevice; + + /* Start up our control thread */ + th = kthread_run(rts51x_control_thread, chip, RTS51X_CTL_THREAD); + if (IS_ERR(th)) { + printk(KERN_WARNING RTS51X_TIP + "Unable to start control thread\n"); + result = PTR_ERR(th); + goto BadDevice; + } + rts51x->ctl_thread = th; + + result = scsi_add_host(rts51x_to_host(chip), &rts51x->pusb_intf->dev); + if (result) { + printk(KERN_WARNING RTS51X_TIP "Unable to add the scsi host\n"); + goto BadDevice; + } +#ifdef SCSI_SCAN_DELAY + /* Start up the thread for delayed SCSI-device scanning */ + th = kthread_create(rts51x_scan_thread, chip, RTS51X_SCAN_THREAD); + if (IS_ERR(th)) { + printk(KERN_WARNING RTS51X_TIP + "Unable to start the device-scanning thread\n"); + complete(&rts51x->scanning_done); + quiesce_and_remove_host(chip); + result = PTR_ERR(th); + goto BadDevice; + } + + wake_up_process(th); +#else + scsi_scan_host(rts51x_to_host(chip)); +#endif + + /* Start up our polling thread */ + th = kthread_run(rts51x_polling_thread, chip, RTS51X_POLLING_THREAD); + if (IS_ERR(th)) { + printk(KERN_WARNING RTS51X_TIP + "Unable to start polling thread\n"); + result = PTR_ERR(th); + goto BadDevice; + } + rts51x->polling_thread = th; + +#ifdef CONFIG_PM + if (ss_en) { + rts51x->pusb_intf->needs_remote_wakeup = needs_remote_wakeup; + SET_PM_USAGE_CNT(chip, 1); + RTS51X_DEBUGP("pm_usage_cnt = %d\n", GET_PM_USAGE_CNT(chip)); + } +#endif + + return 0; + + /* We come here if there are any problems */ +BadDevice: + RTS51X_DEBUGP("rts51x_probe() failed\n"); + release_everything(chip); + return result; +} + +static void rts51x_disconnect(struct usb_interface *intf) +{ + struct rts51x_chip *chip = (struct rts51x_chip *)usb_get_intfdata(intf); + + RTS51X_DEBUGP("rts51x_disconnect() called\n"); + quiesce_and_remove_host(chip); + release_everything(chip); +} + +/*********************************************************************** + * Initialization and registration + ***********************************************************************/ + +struct usb_device_id rts5139_usb_ids[] = { + {USB_DEVICE(0x0BDA, 0x0139)}, + {USB_DEVICE(0x0BDA, 0x0129)}, + {} /* Terminating entry */ +}; +EXPORT_SYMBOL_GPL(rts5139_usb_ids); + +MODULE_DEVICE_TABLE(usb, rts5139_usb_ids); + +struct usb_driver rts51x_driver = { + .name = RTS51X_NAME, + .probe = rts51x_probe, + .disconnect = rts51x_disconnect, + .suspend = rts51x_suspend, + .resume = rts51x_resume, + .reset_resume = rts51x_reset_resume, + .pre_reset = rts51x_pre_reset, + .post_reset = rts51x_post_reset, + .id_table = rts5139_usb_ids, + .soft_unbind = 1, +}; + +static int __init rts51x_init(void) +{ + int retval; + + printk(KERN_INFO "Initializing %s USB card reader driver...\n", + RTS51X_NAME); + + /* register the driver, return usb_register return code if error */ + retval = usb_register(&rts51x_driver); + if (retval == 0) { + printk(KERN_INFO + "Realtek %s USB card reader support registered.\n", + RTS51X_NAME); + } + return retval; +} + +static void __exit rts51x_exit(void) +{ + RTS51X_DEBUGP("rts51x_exit() called\n"); + + /* Deregister the driver + * This will cause disconnect() to be called for each + * attached unit + */ + RTS51X_DEBUGP("-- calling usb_deregister()\n"); + usb_deregister(&rts51x_driver); +} + +module_init(rts51x_init); +module_exit(rts51x_exit); diff --git a/drivers/staging/rts5139/rts51x.h b/drivers/staging/rts5139/rts51x.h new file mode 100644 index 0000000..9415d5c --- /dev/null +++ b/drivers/staging/rts5139/rts51x.h @@ -0,0 +1,205 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_H +#define __RTS51X_H + +#include <linux/usb.h> +#include <linux/usb_usual.h> +#include <linux/blkdev.h> +#include <linux/completion.h> +#include <linux/mutex.h> +#include <linux/cdrom.h> +#include <linux/kernel.h> +#include <linux/version.h> + +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_devinfo.h> +#include <scsi/scsi_eh.h> +#include <scsi/scsi_host.h> + +#define DRIVER_VERSION "v1.04" + +#define RTS51X_DESC "Realtek RTS5139/29 USB card reader driver" +#define RTS51X_NAME "rts5139" +#define RTS51X_CTL_THREAD "rts5139-control" +#define RTS51X_SCAN_THREAD "rts5139-scan" +#define RTS51X_POLLING_THREAD "rts5139-polling" + +#define POLLING_IN_THREAD +/* #define SCSI_SCAN_DELAY */ +#define SUPPORT_FILE_OP + +#define wait_timeout_x(task_state, msecs) \ +do { \ + set_current_state((task_state)); \ + schedule_timeout((msecs) * HZ / 1000); \ +} while (0) + +#define wait_timeout(msecs) wait_timeout_x(TASK_INTERRUPTIBLE, (msecs)) + +#define SCSI_LUN(srb) ((srb)->device->lun) + +/* Size of the DMA-mapped I/O buffer */ +#define RTS51X_IOBUF_SIZE 1024 +/* Size of the autosense data buffer */ +#define RTS51X_SENSE_SIZE 18 + +/* Dynamic bitflag definitions (dflags): used in set_bit() etc. */ +#define FLIDX_URB_ACTIVE 0 /* current_urb is in use */ +#define FLIDX_SG_ACTIVE 1 /* current_sg is in use */ +#define FLIDX_ABORTING 2 /* abort is in progress */ +#define FLIDX_DISCONNECTING 3 /* disconnect in progress */ +#define FLIDX_RESETTING 4 /* device reset in progress */ +#define FLIDX_TIMED_OUT 5 /* SCSI midlayer timed out */ +#define FLIDX_DONT_SCAN 6 /* don't scan (disconnect) */ + +struct rts51x_chip; + +struct rts51x_usb { + /* The device we're working with + * It's important to note: + * (o) you must hold dev_mutex to change pusb_dev + */ + struct mutex dev_mutex; /* protect pusb_dev */ + struct usb_device *pusb_dev; /* this usb_device */ + struct usb_interface *pusb_intf; /* this interface */ + + unsigned long dflags; /* dynamic atomic bitflags */ + + unsigned int send_bulk_pipe; /* cached pipe values */ + unsigned int recv_bulk_pipe; + unsigned int send_ctrl_pipe; + unsigned int recv_ctrl_pipe; + unsigned int recv_intr_pipe; + + u8 ifnum; /* interface number */ + u8 ep_bInterval; /* interrupt interval */ + + /* control and bulk communications data */ + struct urb *current_urb; /* USB requests */ + struct urb *intr_urb; /* Interrupt USB request */ + struct usb_ctrlrequest *cr; /* control requests */ + struct usb_sg_request current_sg; /* scatter-gather req. */ + unsigned char *iobuf; /* I/O buffer */ + dma_addr_t cr_dma; /* buffer DMA addresses */ + dma_addr_t iobuf_dma; + struct task_struct *ctl_thread; /* the control thread */ + struct task_struct *polling_thread; /* the polling thread */ + + /* mutual exclusion and synchronization structures */ + struct completion cmnd_ready; /* to sleep thread on */ + struct completion control_exit; /* control thread exit */ + struct completion polling_exit; /* polling thread exit */ + struct completion notify; /* thread begin/end */ +#ifdef SCSI_SCAN_DELAY + wait_queue_head_t delay_wait; /* wait during scan, reset */ + struct completion scanning_done; /* wait for scan thread */ +#endif +}; + +extern struct usb_driver rts51x_driver; + +static inline void get_current_time(u8 *timeval_buf, int buf_len) +{ + struct timeval tv; + + if (!timeval_buf || (buf_len < 8)) + return; + + do_gettimeofday(&tv); + + timeval_buf[0] = (u8) (tv.tv_sec >> 24); + timeval_buf[1] = (u8) (tv.tv_sec >> 16); + timeval_buf[2] = (u8) (tv.tv_sec >> 8); + timeval_buf[3] = (u8) (tv.tv_sec); + timeval_buf[4] = (u8) (tv.tv_usec >> 24); + timeval_buf[5] = (u8) (tv.tv_usec >> 16); + timeval_buf[6] = (u8) (tv.tv_usec >> 8); + timeval_buf[7] = (u8) (tv.tv_usec); +} + +#define SND_CTRL_PIPE(chip) ((chip)->usb->send_ctrl_pipe) +#define RCV_CTRL_PIPE(chip) ((chip)->usb->recv_ctrl_pipe) +#define SND_BULK_PIPE(chip) ((chip)->usb->send_bulk_pipe) +#define RCV_BULK_PIPE(chip) ((chip)->usb->recv_bulk_pipe) +#define RCV_INTR_PIPE(chip) ((chip)->usb->recv_intr_pipe) + +/* The scsi_lock() and scsi_unlock() macros protect the sm_state and the + * single queue element srb for write access */ +#define scsi_unlock(host) spin_unlock_irq(host->host_lock) +#define scsi_lock(host) spin_lock_irq(host->host_lock) + +#define GET_PM_USAGE_CNT(chip) \ + atomic_read(&((chip)->usb->pusb_intf->pm_usage_cnt)) +#define SET_PM_USAGE_CNT(chip, cnt) \ + atomic_set(&((chip)->usb->pusb_intf->pm_usage_cnt), (cnt)) + +/* Compatible macros while we switch over */ +static inline void *usb_buffer_alloc(struct usb_device *dev, size_t size, + gfp_t mem_flags, dma_addr_t *dma) +{ + return usb_alloc_coherent(dev, size, mem_flags, dma); +} + +static inline void usb_buffer_free(struct usb_device *dev, size_t size, + void *addr, dma_addr_t dma) +{ + return usb_free_coherent(dev, size, addr, dma); +} + +/* Convert between us_data and the corresponding Scsi_Host */ +static inline struct Scsi_Host *rts51x_to_host(struct rts51x_chip *chip) +{ + return container_of((void *)chip, struct Scsi_Host, hostdata); +} + +static inline struct rts51x_chip *host_to_rts51x(struct Scsi_Host *host) +{ + return (struct rts51x_chip *)(host->hostdata); +} + +/* struct scsi_cmnd transfer buffer access utilities */ +enum xfer_buf_dir { TO_XFER_BUF, FROM_XFER_BUF }; + +/* General routines provided by the usb-storage standard core */ +#ifdef CONFIG_PM +void rts51x_try_to_enter_ss(struct rts51x_chip *chip); +void rts51x_try_to_exit_ss(struct rts51x_chip *chip); +int rts51x_suspend(struct usb_interface *iface, pm_message_t message); +int rts51x_resume(struct usb_interface *iface); +int rts51x_reset_resume(struct usb_interface *iface); +#else +#define rts51x_suspend NULL +#define rts51x_resume NULL +#define rts51x_reset_resume NULL +#endif + +extern struct scsi_host_template rts51x_host_template; + +#endif /* __RTS51X_H */ diff --git a/drivers/staging/rts5139/rts51x_card.c b/drivers/staging/rts5139/rts51x_card.c new file mode 100644 index 0000000..424a845 --- /dev/null +++ b/drivers/staging/rts5139/rts51x_card.c @@ -0,0 +1,986 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#include <linux/blkdev.h> +#include <linux/kthread.h> +#include <linux/sched.h> +#include <linux/workqueue.h> + +#include <scsi/scsi.h> +#include <scsi/scsi_eh.h> +#include <scsi/scsi_device.h> + +#include "debug.h" +#include "rts51x.h" +#include "rts51x_chip.h" +#include "rts51x_card.h" +#include "rts51x_transport.h" +#include "rts51x_sys.h" +#include "xd.h" +#include "sd.h" +#include "ms.h" + +void do_remaining_work(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + struct xd_info *xd_card = &(chip->xd_card); + struct ms_info *ms_card = &(chip->ms_card); + + if (chip->card_ready & SD_CARD) { + if (sd_card->seq_mode) { + RTS51X_SET_STAT(chip, STAT_RUN); + sd_card->counter++; + } else { + sd_card->counter = 0; + } + } + + if (chip->card_ready & XD_CARD) { + if (xd_card->delay_write.delay_write_flag) { + RTS51X_SET_STAT(chip, STAT_RUN); + xd_card->counter++; + } else { + xd_card->counter = 0; + } + } + + if (chip->card_ready & MS_CARD) { + if (CHK_MSPRO(ms_card)) { + if (ms_card->seq_mode) { + RTS51X_SET_STAT(chip, STAT_RUN); + ms_card->counter++; + } else { + ms_card->counter = 0; + } + } else { + if (ms_card->delay_write.delay_write_flag) { + RTS51X_SET_STAT(chip, STAT_RUN); + ms_card->counter++; + } else { + ms_card->counter = 0; + } + } + } + + if (sd_card->counter > POLLING_WAIT_CNT) + sd_cleanup_work(chip); + + if (xd_card->counter > POLLING_WAIT_CNT) + xd_cleanup_work(chip); + + if (ms_card->counter > POLLING_WAIT_CNT) + ms_cleanup_work(chip); +} + +void do_reset_xd_card(struct rts51x_chip *chip) +{ + int retval; + + if (chip->card2lun[XD_CARD] >= MAX_ALLOWED_LUN_CNT) + return; + + retval = reset_xd_card(chip); + if (retval == STATUS_SUCCESS) { + chip->card_ready |= XD_CARD; + chip->card_fail &= ~XD_CARD; + chip->rw_card[chip->card2lun[XD_CARD]] = xd_rw; + } else { + chip->card_ready &= ~XD_CARD; + chip->card_fail |= XD_CARD; + chip->capacity[chip->card2lun[XD_CARD]] = 0; + chip->rw_card[chip->card2lun[XD_CARD]] = NULL; + + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK, + POWER_OFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, XD_CLK_EN, 0); + rts51x_send_cmd(chip, MODE_C, 100); + } +} + +void do_reset_sd_card(struct rts51x_chip *chip) +{ + int retval; + + if (chip->card2lun[SD_CARD] >= MAX_ALLOWED_LUN_CNT) + return; + + retval = reset_sd_card(chip); + if (retval == STATUS_SUCCESS) { + chip->card_ready |= SD_CARD; + chip->card_fail &= ~SD_CARD; + chip->rw_card[chip->card2lun[SD_CARD]] = sd_rw; + } else { + chip->card_ready &= ~SD_CARD; + chip->card_fail |= SD_CARD; + chip->capacity[chip->card2lun[SD_CARD]] = 0; + chip->rw_card[chip->card2lun[SD_CARD]] = NULL; + + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, SD_OUTPUT_EN, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK, + POWER_OFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, SD_CLK_EN, 0); + rts51x_send_cmd(chip, MODE_C, 100); + } +} + +void do_reset_ms_card(struct rts51x_chip *chip) +{ + int retval; + + if (chip->card2lun[MS_CARD] >= MAX_ALLOWED_LUN_CNT) + return; + + retval = reset_ms_card(chip); + if (retval == STATUS_SUCCESS) { + chip->card_ready |= MS_CARD; + chip->card_fail &= ~MS_CARD; + chip->rw_card[chip->card2lun[MS_CARD]] = ms_rw; + } else { + chip->card_ready &= ~MS_CARD; + chip->card_fail |= MS_CARD; + chip->capacity[chip->card2lun[MS_CARD]] = 0; + chip->rw_card[chip->card2lun[MS_CARD]] = NULL; + + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, MS_OUTPUT_EN, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK, + POWER_OFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, MS_CLK_EN, 0); + rts51x_send_cmd(chip, MODE_C, 100); + } +} + +void card_cd_debounce(struct rts51x_chip *chip, u8 *need_reset, + u8 *need_release) +{ + int retval; + u8 release_map = 0, reset_map = 0; + u8 value; + + retval = rts51x_get_card_status(chip, &(chip->card_status)); +#ifdef SUPPORT_OCP + chip->ocp_stat = (chip->card_status >> 4) & 0x03; +#endif + + if (retval != STATUS_SUCCESS) + goto Exit_Debounce; + + if (chip->card_exist) { + rts51x_clear_start_time(chip); + retval = rts51x_read_register(chip, CARD_INT_PEND, &value); + if (retval != STATUS_SUCCESS) { + rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH, + FIFO_FLUSH); + rts51x_ep0_write_register(chip, SFSM_ED, 0xf8, 0xf8); + value = 0; + } + + if (chip->card_exist & XD_CARD) { + if (!(chip->card_status & XD_CD)) + release_map |= XD_CARD; + } else if (chip->card_exist & SD_CARD) { + /* if (!(chip->card_status & SD_CD)) { */ + if (!(chip->card_status & SD_CD) || (value & SD_INT)) + release_map |= SD_CARD; + } else if (chip->card_exist & MS_CARD) { + /* if (!(chip->card_status & MS_CD)) { */ + if (!(chip->card_status & MS_CD) || (value & MS_INT)) + release_map |= MS_CARD; + } + } else { + if (chip->card_status & XD_CD) { + rts51x_clear_start_time(chip); + reset_map |= XD_CARD; + } else if (chip->card_status & SD_CD) { + rts51x_clear_start_time(chip); + reset_map |= SD_CARD; + } else if (chip->card_status & MS_CD) { + rts51x_clear_start_time(chip); + reset_map |= MS_CARD; + } else { + if (rts51x_check_start_time(chip)) + rts51x_set_start_time(chip); + } + } + + if (CHECK_PKG(chip, QFN24) && reset_map) { + if (chip->card_exist & XD_CARD) { + reset_map = 0; + goto Exit_Debounce; + } + } + + if (reset_map) { + int xd_cnt = 0, sd_cnt = 0, ms_cnt = 0; + int i; + + for (i = 0; i < (chip->option.debounce_num); i++) { + retval = + rts51x_get_card_status(chip, &(chip->card_status)); + if (retval != STATUS_SUCCESS) { + reset_map = release_map = 0; + goto Exit_Debounce; + } + if (chip->card_status & XD_CD) + xd_cnt++; + else + xd_cnt = 0; + if (chip->card_status & SD_CD) + sd_cnt++; + else + sd_cnt = 0; + if (chip->card_status & MS_CD) + ms_cnt++; + else + ms_cnt = 0; + wait_timeout(30); + } + + reset_map = 0; + if (!(chip->card_exist & XD_CARD) + && (xd_cnt > (chip->option.debounce_num - 1))) { + reset_map |= XD_CARD; + } + if (!(chip->card_exist & SD_CARD) + && (sd_cnt > (chip->option.debounce_num - 1))) { + reset_map |= SD_CARD; + } + if (!(chip->card_exist & MS_CARD) + && (ms_cnt > (chip->option.debounce_num - 1))) { + reset_map |= MS_CARD; + } + } + rts51x_write_register(chip, CARD_INT_PEND, XD_INT | MS_INT | SD_INT, + XD_INT | MS_INT | SD_INT); + +Exit_Debounce: + if (need_reset) + *need_reset = reset_map; + if (need_release) + *need_release = release_map; +} + +void rts51x_init_cards(struct rts51x_chip *chip) +{ + u8 need_reset = 0, need_release = 0; + + card_cd_debounce(chip, &need_reset, &need_release); + + if (need_release) { + RTS51X_DEBUGP("need_release = 0x%x\n", need_release); + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + +#ifdef SUPPORT_OCP + if (chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) { + rts51x_write_register(chip, OCPCTL, MS_OCP_CLEAR, + MS_OCP_CLEAR); + chip->ocp_stat = 0; + RTS51X_DEBUGP("Clear OCP status.\n"); + } +#endif + + if (need_release & XD_CARD) { + chip->card_exist &= ~XD_CARD; + chip->card_ejected = 0; + if (chip->card_ready & XD_CARD) { + release_xd_card(chip); + chip->rw_card[chip->card2lun[XD_CARD]] = NULL; + clear_bit(chip->card2lun[XD_CARD], + &(chip->lun_mc)); + } + } + + if (need_release & SD_CARD) { + chip->card_exist &= ~SD_CARD; + chip->card_ejected = 0; + if (chip->card_ready & SD_CARD) { + release_sd_card(chip); + chip->rw_card[chip->card2lun[SD_CARD]] = NULL; + clear_bit(chip->card2lun[SD_CARD], + &(chip->lun_mc)); + } + } + + if (need_release & MS_CARD) { + chip->card_exist &= ~MS_CARD; + chip->card_ejected = 0; + if (chip->card_ready & MS_CARD) { + release_ms_card(chip); + chip->rw_card[chip->card2lun[MS_CARD]] = NULL; + clear_bit(chip->card2lun[MS_CARD], + &(chip->lun_mc)); + } + } + } + + if (need_reset && !chip->card_ready) { + RTS51X_DEBUGP("need_reset = 0x%x\n", need_reset); + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + if (need_reset & XD_CARD) { + chip->card_exist |= XD_CARD; + do_reset_xd_card(chip); + } else if (need_reset & SD_CARD) { + chip->card_exist |= SD_CARD; + do_reset_sd_card(chip); + } else if (need_reset & MS_CARD) { + chip->card_exist |= MS_CARD; + do_reset_ms_card(chip); + } + } +} + +void rts51x_release_cards(struct rts51x_chip *chip) +{ + if (chip->card_ready & SD_CARD) { + sd_cleanup_work(chip); + release_sd_card(chip); + chip->card_ready &= ~SD_CARD; + } + + if (chip->card_ready & XD_CARD) { + xd_cleanup_work(chip); + release_xd_card(chip); + chip->card_ready &= ~XD_CARD; + } + + if (chip->card_ready & MS_CARD) { + ms_cleanup_work(chip); + release_ms_card(chip); + chip->card_ready &= ~MS_CARD; + } +} + +static inline u8 double_depth(u8 depth) +{ + return ((depth > 1) ? (depth - 1) : depth); +} + +int switch_ssc_clock(struct rts51x_chip *chip, int clk) +{ + struct sd_info *sd_card = &(chip->sd_card); + struct ms_info *ms_card = &(chip->ms_card); + int retval; + u8 N = (u8) (clk - 2), min_N, max_N; + u8 mcu_cnt, div, max_div, ssc_depth; + int sd_vpclk_phase_reset = 0; + + if (chip->cur_clk == clk) + return STATUS_SUCCESS; + + min_N = 60; + max_N = 120; + max_div = CLK_DIV_4; + + RTS51X_DEBUGP("Switch SSC clock to %dMHz\n", clk); + + if ((clk <= 2) || (N > max_N)) + TRACE_RET(chip, STATUS_FAIL); + + mcu_cnt = (u8) (60 / clk + 3); + if (mcu_cnt > 15) + mcu_cnt = 15; + /* To make sure that the SSC clock div_n is + * equal or greater than min_N */ + div = CLK_DIV_1; + while ((N < min_N) && (div < max_div)) { + N = (N + 2) * 2 - 2; + div++; + } + RTS51X_DEBUGP("N = %d, div = %d\n", N, div); + + if (chip->option.ssc_en) { + if (chip->cur_card == SD_CARD) { + if (CHK_SD_SDR104(sd_card)) { + ssc_depth = chip->option.ssc_depth_sd_sdr104; + } else if (CHK_SD_SDR50(sd_card)) { + ssc_depth = chip->option.ssc_depth_sd_sdr50; + } else if (CHK_SD_DDR50(sd_card)) { + ssc_depth = + double_depth(chip->option. + ssc_depth_sd_ddr50); + } else if (CHK_SD_HS(sd_card)) { + ssc_depth = + double_depth(chip->option.ssc_depth_sd_hs); + } else if (CHK_MMC_52M(sd_card) + || CHK_MMC_DDR52(sd_card)) { + ssc_depth = + double_depth(chip->option. + ssc_depth_mmc_52m); + } else { + ssc_depth = + double_depth(chip->option. + ssc_depth_low_speed); + } + } else if (chip->cur_card == MS_CARD) { + if (CHK_MSPRO(ms_card)) { + if (CHK_HG8BIT(ms_card)) { + ssc_depth = + double_depth(chip->option. + ssc_depth_ms_hg); + } else { + ssc_depth = + double_depth(chip->option. + ssc_depth_ms_4bit); + } + } else { + if (CHK_MS4BIT(ms_card)) { + ssc_depth = + double_depth(chip->option. + ssc_depth_ms_4bit); + } else { + ssc_depth = + double_depth(chip->option. + ssc_depth_low_speed); + } + } + } else { + ssc_depth = + double_depth(chip->option.ssc_depth_low_speed); + } + + if (ssc_depth) { + if (div == CLK_DIV_2) { + /* If clock divided by 2, ssc depth must + * be multiplied by 2 */ + if (ssc_depth > 1) + ssc_depth -= 1; + else + ssc_depth = SSC_DEPTH_2M; + } else if (div == CLK_DIV_4) { + /* If clock divided by 4, ssc depth must + * be multiplied by 4 */ + if (ssc_depth > 2) + ssc_depth -= 2; + else + ssc_depth = SSC_DEPTH_2M; + } + } + } else { + /* Disable SSC */ + ssc_depth = 0; + } + + RTS51X_DEBUGP("ssc_depth = %d\n", ssc_depth); + + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE, CLK_CHANGE); + rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, 0x3F, + (div << 4) | mcu_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, SSC_CTL1, SSC_RSTB, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, SSC_CTL2, SSC_DEPTH_MASK, + ssc_depth); + rts51x_add_cmd(chip, WRITE_REG_CMD, SSC_DIV_N_0, 0xFF, N); + if (sd_vpclk_phase_reset) { + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK0_CTL, + PHASE_NOT_RESET, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK0_CTL, + PHASE_NOT_RESET, PHASE_NOT_RESET); + } + + retval = rts51x_send_cmd(chip, MODE_C, 2000); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (chip->option.ssc_en && ssc_depth) + rts51x_write_register(chip, SSC_CTL1, 0xff, 0xD0); + else + rts51x_write_register(chip, SSC_CTL1, 0xff, 0x50); + udelay(100); + RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, 0); + + chip->cur_clk = clk; + + return STATUS_SUCCESS; +} + +int switch_normal_clock(struct rts51x_chip *chip, int clk) +{ + int retval; + u8 sel, div, mcu_cnt; + int sd_vpclk_phase_reset = 0; + + if (chip->cur_clk == clk) + return STATUS_SUCCESS; + + if (chip->cur_card == SD_CARD) { + struct sd_info *sd_card = &(chip->sd_card); + if (CHK_SD30_SPEED(sd_card) || CHK_MMC_DDR52(sd_card)) + sd_vpclk_phase_reset = 1; + } + + switch (clk) { + case CLK_20: + RTS51X_DEBUGP("Switch clock to 20MHz\n"); + sel = SSC_80; + div = CLK_DIV_4; + mcu_cnt = 5; + break; + + case CLK_30: + RTS51X_DEBUGP("Switch clock to 30MHz\n"); + sel = SSC_60; + div = CLK_DIV_2; + mcu_cnt = 4; + break; + + case CLK_40: + RTS51X_DEBUGP("Switch clock to 40MHz\n"); + sel = SSC_80; + div = CLK_DIV_2; + mcu_cnt = 3; + break; + + case CLK_50: + RTS51X_DEBUGP("Switch clock to 50MHz\n"); + sel = SSC_100; + div = CLK_DIV_2; + mcu_cnt = 3; + break; + + case CLK_60: + RTS51X_DEBUGP("Switch clock to 60MHz\n"); + sel = SSC_60; + div = CLK_DIV_1; + mcu_cnt = 3; + break; + + case CLK_80: + RTS51X_DEBUGP("Switch clock to 80MHz\n"); + sel = SSC_80; + div = CLK_DIV_1; + mcu_cnt = 2; + break; + + case CLK_100: + RTS51X_DEBUGP("Switch clock to 100MHz\n"); + sel = SSC_100; + div = CLK_DIV_1; + mcu_cnt = 2; + break; + + /* case CLK_120: + RTS51X_DEBUGP("Switch clock to 120MHz\n"); + sel = SSC_120; + div = CLK_DIV_1; + mcu_cnt = 2; + break; + + case CLK_150: + RTS51X_DEBUGP("Switch clock to 150MHz\n"); + sel = SSC_150; + div = CLK_DIV_1; + mcu_cnt = 2; + break; */ + + default: + RTS51X_DEBUGP("Try to switch to an illegal clock (%d)\n", + clk); + TRACE_RET(chip, STATUS_FAIL); + } + + if (!sd_vpclk_phase_reset) { + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE, + CLK_CHANGE); + rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, 0x3F, + (div << 4) | mcu_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, SSC_CLK_FPGA_SEL, 0xFF, + sel); + rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE, 0); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } else { + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE, + CLK_CHANGE); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK0_CTL, + PHASE_NOT_RESET, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK1_CTL, + PHASE_NOT_RESET, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, 0x3F, + (div << 4) | mcu_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, SSC_CLK_FPGA_SEL, 0xFF, + sel); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + udelay(200); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK0_CTL, + PHASE_NOT_RESET, PHASE_NOT_RESET); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK1_CTL, + PHASE_NOT_RESET, PHASE_NOT_RESET); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + udelay(200); + + RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, 0); + } + + chip->cur_clk = clk; + + return STATUS_SUCCESS; +} + +int card_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 sec_addr, + u16 sec_cnt) +{ + int retval; + unsigned int lun = SCSI_LUN(srb); + int i; + + if (chip->rw_card[lun] == NULL) + return STATUS_FAIL; + + RTS51X_DEBUGP("%s card, sector addr: 0x%x, sector cnt: %d\n", + (srb->sc_data_direction == + DMA_TO_DEVICE) ? "Write" : "Read", sec_addr, sec_cnt); + + chip->rw_need_retry = 0; + for (i = 0; i < 3; i++) { + retval = chip->rw_card[lun] (srb, chip, sec_addr, sec_cnt); + if (retval != STATUS_SUCCESS) { + CATCH_TRIGGER(chip); + if (chip->option.reset_or_rw_fail_set_pad_drive) { + rts51x_write_register(chip, CARD_DRIVE_SEL, + SD20_DRIVE_MASK, + DRIVE_8mA); + } + } + + if (!chip->rw_need_retry) + break; + + RTS51X_DEBUGP("Retry RW, (i = %d\n)", i); + } + + return retval; +} + +u8 get_lun_card(struct rts51x_chip *chip, unsigned int lun) +{ + if ((chip->card_ready & chip->lun2card[lun]) == XD_CARD) + return (u8) XD_CARD; + else if ((chip->card_ready & chip->lun2card[lun]) == SD_CARD) + return (u8) SD_CARD; + else if ((chip->card_ready & chip->lun2card[lun]) == MS_CARD) + return (u8) MS_CARD; + + return 0; +} + +int card_share_mode(struct rts51x_chip *chip, int card) +{ + u8 value; + + if (card == SD_CARD) + value = CARD_SHARE_SD; + else if (card == MS_CARD) + value = CARD_SHARE_MS; + else if (card == XD_CARD) + value = CARD_SHARE_XD; + else + TRACE_RET(chip, STATUS_FAIL); + + RTS51X_WRITE_REG(chip, CARD_SHARE_MODE, CARD_SHARE_MASK, value); + + return STATUS_SUCCESS; +} + +int rts51x_select_card(struct rts51x_chip *chip, int card) +{ + int retval; + + if (chip->cur_card != card) { + u8 mod; + + if (card == SD_CARD) + mod = SD_MOD_SEL; + else if (card == MS_CARD) + mod = MS_MOD_SEL; + else if (card == XD_CARD) + mod = XD_MOD_SEL; + else + TRACE_RET(chip, STATUS_FAIL); + RTS51X_WRITE_REG(chip, CARD_SELECT, 0x07, mod); + chip->cur_card = card; + + retval = card_share_mode(chip, card); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +void eject_card(struct rts51x_chip *chip, unsigned int lun) +{ + RTS51X_DEBUGP("eject card\n"); + RTS51X_SET_STAT(chip, STAT_RUN); + do_remaining_work(chip); + + if ((chip->card_ready & chip->lun2card[lun]) == SD_CARD) { + release_sd_card(chip); + chip->card_ejected |= SD_CARD; + chip->card_ready &= ~SD_CARD; + chip->capacity[lun] = 0; + } else if ((chip->card_ready & chip->lun2card[lun]) == XD_CARD) { + release_xd_card(chip); + chip->card_ejected |= XD_CARD; + chip->card_ready &= ~XD_CARD; + chip->capacity[lun] = 0; + } else if ((chip->card_ready & chip->lun2card[lun]) == MS_CARD) { + release_ms_card(chip); + chip->card_ejected |= MS_CARD; + chip->card_ready &= ~MS_CARD; + chip->capacity[lun] = 0; + } + rts51x_write_register(chip, CARD_INT_PEND, XD_INT | MS_INT | SD_INT, + XD_INT | MS_INT | SD_INT); +} + +void trans_dma_enable(enum dma_data_direction dir, struct rts51x_chip *chip, + u32 byte_cnt, u8 pack_size) +{ + if (pack_size > DMA_1024) + pack_size = DMA_512; + + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + RING_BUFFER); + + rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_TC3, 0xFF, + (u8) (byte_cnt >> 24)); + rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_TC2, 0xFF, + (u8) (byte_cnt >> 16)); + rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_TC1, 0xFF, + (u8) (byte_cnt >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_TC0, 0xFF, (u8) byte_cnt); + + if (dir == DMA_FROM_DEVICE) { + rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_CTL, + 0x03 | DMA_PACK_SIZE_MASK, + DMA_DIR_FROM_CARD | DMA_EN | pack_size); + } else { + rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_CTL, + 0x03 | DMA_PACK_SIZE_MASK, + DMA_DIR_TO_CARD | DMA_EN | pack_size); + } +} + +int enable_card_clock(struct rts51x_chip *chip, u8 card) +{ + u8 clk_en = 0; + + if (card & XD_CARD) + clk_en |= XD_CLK_EN; + if (card & SD_CARD) + clk_en |= SD_CLK_EN; + if (card & MS_CARD) + clk_en |= MS_CLK_EN; + + RTS51X_WRITE_REG(chip, CARD_CLK_EN, clk_en, clk_en); + + return STATUS_SUCCESS; +} + +int disable_card_clock(struct rts51x_chip *chip, u8 card) +{ + u8 clk_en = 0; + + if (card & XD_CARD) + clk_en |= XD_CLK_EN; + if (card & SD_CARD) + clk_en |= SD_CLK_EN; + if (card & MS_CARD) + clk_en |= MS_CLK_EN; + + RTS51X_WRITE_REG(chip, CARD_CLK_EN, clk_en, 0); + + return STATUS_SUCCESS; +} + +int card_power_on(struct rts51x_chip *chip, u8 card) +{ + u8 mask, val1, val2; + + mask = POWER_MASK; + val1 = PARTIAL_POWER_ON; + val2 = POWER_ON; + +#ifdef SD_XD_IO_FOLLOW_PWR + if ((card == SD_CARD) || (card == XD_CARD)) { + RTS51X_WRITE_REG(chip, CARD_PWR_CTL, mask | LDO3318_PWR_MASK, + val1 | LDO_SUSPEND); + /* RTS51X_WRITE_REG(chip, CARD_PWR_CTL, + LDO3318_PWR_MASK, LDO_SUSPEND); */ + } + /* else if(card==XD_CARD) + { + RTS51X_WRITE_REG(chip, CARD_PWR_CTL, + mask|LDO3318_PWR_MASK, val1|LDO_SUSPEND); + //RTS51X_WRITE_REG(chip, CARD_PWR_CTL, + // LDO3318_PWR_MASK, LDO_SUSPEND); + } */ + else { +#endif + RTS51X_WRITE_REG(chip, CARD_PWR_CTL, mask, val1); +#ifdef SD_XD_IO_FOLLOW_PWR + } +#endif + udelay(chip->option.pwr_delay); + RTS51X_WRITE_REG(chip, CARD_PWR_CTL, mask, val2); +#ifdef SD_XD_IO_FOLLOW_PWR + if (card == SD_CARD) { + rts51x_write_register(chip, CARD_PWR_CTL, LDO3318_PWR_MASK, + LDO_ON); + } +#endif + + return STATUS_SUCCESS; +} + +int card_power_off(struct rts51x_chip *chip, u8 card) +{ + u8 mask, val; + + mask = POWER_MASK; + val = POWER_OFF; + RTS51X_WRITE_REG(chip, CARD_PWR_CTL, mask, val); + + return STATUS_SUCCESS; +} + +int monitor_card_cd(struct rts51x_chip *chip, u8 card) +{ + int retval; + u8 card_cd[32] = { 0 }; + + card_cd[SD_CARD] = SD_CD; + card_cd[XD_CARD] = XD_CD; + card_cd[MS_CARD] = MS_CD; + + retval = rts51x_get_card_status(chip, &(chip->card_status)); + if (retval != STATUS_SUCCESS) + return CD_NOT_EXIST; + + if (chip->card_status & card_cd[card]) + return CD_EXIST; + + return CD_NOT_EXIST; +} + +int toggle_gpio(struct rts51x_chip *chip, u8 gpio) +{ + int retval; + u8 temp_reg; + u8 gpio_output[4] = { + 0x01, + }; + u8 gpio_oe[4] = { + 0x02, + }; + if (chip->rts5179) { + retval = rts51x_ep0_read_register(chip, CARD_GPIO, &temp_reg); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + temp_reg ^= gpio_oe[gpio]; + temp_reg &= 0xfe; /* bit 0 always set 0 */ + retval = + rts51x_ep0_write_register(chip, CARD_GPIO, 0x03, temp_reg); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + } else { + retval = rts51x_ep0_read_register(chip, CARD_GPIO, &temp_reg); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + temp_reg ^= gpio_output[gpio]; + retval = + rts51x_ep0_write_register(chip, CARD_GPIO, 0xFF, + temp_reg | gpio_oe[gpio]); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +int turn_on_led(struct rts51x_chip *chip, u8 gpio) +{ + int retval; + u8 gpio_oe[4] = { + 0x02, + }; + u8 gpio_mask[4] = { + 0x03, + }; + + retval = + rts51x_ep0_write_register(chip, CARD_GPIO, gpio_mask[gpio], + gpio_oe[gpio]); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +int turn_off_led(struct rts51x_chip *chip, u8 gpio) +{ + int retval; + u8 gpio_output[4] = { + 0x01, + }; + u8 gpio_oe[4] = { + 0x02, + }; + u8 gpio_mask[4] = { + 0x03, + }; + + retval = + rts51x_ep0_write_register(chip, CARD_GPIO, gpio_mask[gpio], + gpio_oe[gpio] | gpio_output[gpio]); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} diff --git a/drivers/staging/rts5139/rts51x_card.h b/drivers/staging/rts5139/rts51x_card.h new file mode 100644 index 0000000..ac3c1e7 --- /dev/null +++ b/drivers/staging/rts5139/rts51x_card.h @@ -0,0 +1,881 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_CARD_H +#define __RTS51X_CARD_H + +#include "rts51x_chip.h" + +/* Register bit definition */ + +/* Card Power Control Register */ +#define POWER_OFF 0x03 +#define PARTIAL_POWER_ON 0x02 +#define POWER_ON 0x00 +#define POWER_MASK 0x03 +#define LDO3318_PWR_MASK 0x0C +#define LDO_ON 0x00 +#define LDO_SUSPEND 0x08 +#define LDO_OFF 0x0C +#define DV3318_AUTO_PWR_OFF 0x10 +#define FORCE_LDO_POWERB 0x60 + +/* Card Output Enable Register */ +#define XD_OUTPUT_EN 0x02 +#define SD_OUTPUT_EN 0x04 +#define MS_OUTPUT_EN 0x08 + +/* System Clock Control Register */ + +/* System Clock Divider Register */ +#define CLK_CHANGE 0x80 +#define CLK_DIV_1 0x00 +#define CLK_DIV_2 0x01 +#define CLK_DIV_4 0x02 +#define CLK_DIV_8 0x03 + +/* System Clock Select Register */ +#define SSC_60 0 +#define SSC_80 1 +#define SSC_100 2 +#define SSC_120 3 +#define SSC_150 4 + +/* Card Clock Enable Register */ +#define XD_CLK_EN 0x02 +#define SD_CLK_EN 0x04 +#define MS_CLK_EN 0x08 + +/* Card Select Register */ +#define XD_MOD_SEL 1 +#define SD_MOD_SEL 2 +#define MS_MOD_SEL 3 + +/* Card Transfer Reset Register */ +#define XD_STOP 0x02 +#define SD_STOP 0x04 +#define MS_STOP 0x08 +#define XD_CLR_ERR 0x20 +#define SD_CLR_ERR 0x40 +#define MS_CLR_ERR 0x80 + +/* SD30_drive_sel */ +#define SD30_DRIVE_MASK 0x07 + +/* CARD_DRIVE_SEL */ +#define SD20_DRIVE_MASK 0x03 +#define DRIVE_4mA 0x00 +#define DRIVE_8mA 0x01 +#define DRIVE_12mA 0x02 + +/* FPGA_PULL_CTL */ +#define FPGA_MS_PULL_CTL_EN 0xEF +#define FPGA_SD_PULL_CTL_EN 0xF7 +#define FPGA_XD_PULL_CTL_EN1 0xFE +#define FPGA_XD_PULL_CTL_EN2 0xFD +#define FPGA_XD_PULL_CTL_EN3 0xFB + +#define FPGA_MS_PULL_CTL_BIT 0x10 +#define FPGA_SD_PULL_CTL_BIT 0x08 + +/* Card Data Source Register */ +#define PINGPONG_BUFFER 0x01 +#define RING_BUFFER 0x00 + +/* SFSM_ED */ +#define HW_CMD_STOP 0x80 +#define CLR_STAGE_STALL 0x08 +#define CARD_ERR 0x10 + +/* CARD_SHARE_MODE */ +#define CARD_SHARE_LQFP48 0x04 +#define CARD_SHARE_QFN24 0x00 +#define CARD_SHARE_LQFP_SEL 0x04 +#define CARD_SHARE_XD 0x00 +#define CARD_SHARE_SD 0x01 +#define CARD_SHARE_MS 0x02 +#define CARD_SHARE_MASK 0x03 + +/* CARD_AUTO_BLINK */ +#define BLINK_ENABLE 0x08 +#define BLINK_SPEED_MASK 0x07 + +/* CARD_GPIO */ +#define GPIO_OE 0x02 +#define GPIO_OUTPUT 0x01 + +/* CARD_CLK_SOURCE */ +#define CRC_FIX_CLK (0x00 << 0) +#define CRC_VAR_CLK0 (0x01 << 0) +#define CRC_VAR_CLK1 (0x02 << 0) +#define SD30_FIX_CLK (0x00 << 2) +#define SD30_VAR_CLK0 (0x01 << 2) +#define SD30_VAR_CLK1 (0x02 << 2) +#define SAMPLE_FIX_CLK (0x00 << 4) +#define SAMPLE_VAR_CLK0 (0x01 << 4) +#define SAMPLE_VAR_CLK1 (0x02 << 4) + +/* DCM_DRP_CTL */ +#define DCM_RESET 0x08 +#define DCM_LOCKED 0x04 +#define DCM_208M 0x00 +#define DCM_TX 0x01 +#define DCM_RX 0x02 + +/* DCM_DRP_TRIG */ +#define DRP_START 0x80 +#define DRP_DONE 0x40 + +/* DCM_DRP_CFG */ +#define DRP_WRITE 0x80 +#define DRP_READ 0x00 +#define DCM_WRITE_ADDRESS_50 0x50 +#define DCM_WRITE_ADDRESS_51 0x51 +#define DCM_READ_ADDRESS_00 0x00 +#define DCM_READ_ADDRESS_51 0x51 + +/* HW_VERSION */ +#define FPGA_VER 0x80 +#define HW_VER_MASK 0x0F + +/* CD_DEGLITCH_EN */ +#define DISABLE_SD_CD 0x08 +#define DISABLE_MS_CD 0x10 +#define DISABLE_XD_CD 0x20 +#define SD_CD_DEGLITCH_EN 0x01 +#define MS_CD_DEGLITCH_EN 0x02 +#define XD_CD_DEGLITCH_EN 0x04 + +/* OCPCTL */ +#define CARD_OC_DETECT_EN 0x08 +#define CARD_OC_CLR 0x01 + +/* CARD_DMA1_CTL */ +#define EXTEND_DMA1_ASYNC_SIGNAL 0x02 + +/* HS_USB_STAT */ +#define USB_HI_SPEED 0x01 + +/* CFG_MODE_1 */ +#define RTS5179 0x02 + +/* SYS_DUMMY0 */ +#define NYET_EN 0x01 +#define NYET_MSAK 0x01 + +/* SSC_CTL1 */ +#define SSC_RSTB 0x80 +#define SSC_8X_EN 0x40 +#define SSC_FIX_FRAC 0x20 +#define SSC_SEL_1M 0x00 +#define SSC_SEL_2M 0x08 +#define SSC_SEL_4M 0x10 +#define SSC_SEL_8M 0x18 + +/* SSC_CTL2 */ +#define SSC_DEPTH_MASK 0x03 +#define SSC_DEPTH_DISALBE 0x00 +#define SSC_DEPTH_2M 0x01 +#define SSC_DEPTH_1M 0x02 +#define SSC_DEPTH_512K 0x03 + +/* LDO_POWER_CFG */ +#define TUNE_SD18_MASK 0x1C +#define TUNE_SD18_1V7 0x00 +#define TUNE_SD18_1V8 (0x01 << 2) +#define TUNE_SD18_1V9 (0x02 << 2) +#define TUNE_SD18_2V0 (0x03 << 2) +#define TUNE_SD18_2V7 (0x04 << 2) +#define TUNE_SD18_2V8 (0x05 << 2) +#define TUNE_SD18_2V9 (0x06 << 2) +#define TUNE_SD18_3V3 (0x07 << 2) + +/* XD_CP_WAITTIME */ +#define WAIT_1F 0x00 +#define WAIT_3F 0x01 +#define WAIT_7F 0x02 +#define WAIT_FF 0x03 + +/* XD_INIT */ +#define XD_PWR_OFF_DELAY0 0x00 +#define XD_PWR_OFF_DELAY1 0x02 +#define XD_PWR_OFF_DELAY2 0x04 +#define XD_PWR_OFF_DELAY3 0x06 +#define XD_AUTO_PWR_OFF_EN 0xF7 +#define XD_NO_AUTO_PWR_OFF 0x08 + +/* XD_DTCTL */ +/* XD_CATCTL */ +#define XD_TIME_RWN_1 0x00 +#define XD_TIME_RWN_STEP 0x20 +#define XD_TIME_RW_1 0x00 +#define XD_TIME_RW_STEP 0x04 +#define XD_TIME_SETUP_1 0x00 +#define XD_TIME_SETUP_STEP 0x01 + +/* XD_CTL */ +#define XD_ECC2_UNCORRECTABLE 0x80 +#define XD_ECC2_ERROR 0x40 +#define XD_ECC1_UNCORRECTABLE 0x20 +#define XD_ECC1_ERROR 0x10 +#define XD_RDY 0x04 +#define XD_CE_EN 0xFD +#define XD_CE_DISEN 0x02 +#define XD_WP_EN 0xFE +#define XD_WP_DISEN 0x01 + +/* XD_TRANSFER */ +#define XD_TRANSFER_START 0x80 +#define XD_TRANSFER_END 0x40 +#define XD_PPB_EMPTY 0x20 +#define XD_ERR 0x10 +#define XD_RESET 0x00 +#define XD_ERASE 0x01 +#define XD_READ_STATUS 0x02 +#define XD_READ_ID 0x03 +#define XD_READ_REDUNDANT 0x04 +#define XD_READ_PAGES 0x05 +#define XD_SET_CMD 0x06 +#define XD_NORMAL_READ 0x07 +#define XD_WRITE_PAGES 0x08 +#define XD_NORMAL_WRITE 0x09 +#define XD_WRITE_REDUNDANT 0x0A +#define XD_SET_ADDR 0x0B +#define XD_COPY_PAGES 0x0C + +/* XD_CFG */ +#define XD_PPB_TO_SIE 0x80 +#define XD_TO_PPB_ONLY 0x00 +#define XD_BA_TRANSFORM 0x40 +#define XD_BA_NO_TRANSFORM 0x00 +#define XD_NO_CALC_ECC 0x20 +#define XD_CALC_ECC 0x00 +#define XD_IGNORE_ECC 0x10 +#define XD_CHECK_ECC 0x00 +#define XD_DIRECT_TO_RB 0x08 +#define XD_ADDR_MASK 0x07 +#define XD_ADDR_LENGTH_0 0x00 +#define XD_ADDR_LENGTH_1 0x01 +#define XD_ADDR_LENGTH_2 0x02 +#define XD_ADDR_LENGTH_3 0x03 +#define XD_ADDR_LENGTH_4 0x04 + +/* XD_PAGE_STATUS */ +#define XD_GPG 0xFF +#define XD_BPG 0x00 + +/* XD_BLOCK_STATUS */ +#define XD_GBLK 0xFF +#define XD_LATER_BBLK 0xF0 + +/* XD_PARITY */ +#define XD_ECC2_ALL1 0x80 +#define XD_ECC1_ALL1 0x40 +#define XD_BA2_ALL0 0x20 +#define XD_BA1_ALL0 0x10 +#define XD_BA1_BA2_EQL 0x04 +#define XD_BA2_VALID 0x02 +#define XD_BA1_VALID 0x01 + +/* XD_CHK_DATA_STATUS */ +#define XD_PGSTS_ZEROBIT_OVER4 0x00 +#define XD_PGSTS_NOT_FF 0x02 +#define XD_AUTO_CHK_DATA_STATUS 0x01 + +/* SD_CFG1 */ +#define SD_CLK_DIVIDE_0 0x00 +#define SD_CLK_DIVIDE_256 0xC0 +#define SD_CLK_DIVIDE_128 0x80 +#define SD_CLK_DIVIDE_MASK 0xC0 +#define SD_BUS_WIDTH_1 0x00 +#define SD_BUS_WIDTH_4 0x01 +#define SD_BUS_WIDTH_8 0x02 +#define SD_ASYNC_FIFO_RST 0x10 +#define SD_20_MODE 0x00 +#define SD_DDR_MODE 0x04 +#define SD_30_MODE 0x08 + +/* SD_CFG2 */ +#define SD_CALCULATE_CRC7 0x00 +#define SD_NO_CALCULATE_CRC7 0x80 +#define SD_CHECK_CRC16 0x00 +#define SD_NO_CHECK_CRC16 0x40 +#define SD_WAIT_CRC_TO_EN 0x20 +#define SD_WAIT_BUSY_END 0x08 +#define SD_NO_WAIT_BUSY_END 0x00 +#define SD_CHECK_CRC7 0x00 +#define SD_NO_CHECK_CRC7 0x04 +#define SD_RSP_LEN_0 0x00 +#define SD_RSP_LEN_6 0x01 +#define SD_RSP_LEN_17 0x02 +/* SD/MMC Response Type Definition */ +/* SD_CALCULATE_CRC7, SD_CHECK_CRC16, + * SD_NO_WAIT_BUSY_END, SD_NO_CHECK_CRC7, + * SD_RSP_LEN_0 */ +#define SD_RSP_TYPE_R0 0x04 +/* SD_CALCULATE_CRC7, SD_CHECK_CRC16, + * SD_NO_WAIT_BUSY_END, SD_CHECK_CRC7, + * SD_RSP_LEN_6 */ +#define SD_RSP_TYPE_R1 0x01 +/* SD_CALCULATE_CRC7, SD_CHECK_CRC16, + * SD_WAIT_BUSY_END, SD_CHECK_CRC7, + * SD_RSP_LEN_6 */ +#define SD_RSP_TYPE_R1b 0x09 +/* SD_CALCULATE_CRC7, SD_CHECK_CRC16, + * SD_NO_WAIT_BUSY_END, SD_CHECK_CRC7, + * SD_RSP_LEN_17 */ +#define SD_RSP_TYPE_R2 0x02 +/* SD_CALCULATE_CRC7, SD_CHECK_CRC16, + * SD_NO_WAIT_BUSY_END, SD_NO_CHECK_CRC7, + * SD_RSP_LEN_6 */ +#define SD_RSP_TYPE_R3 0x05 +/* SD_CALCULATE_CRC7, SD_CHECK_CRC16, + * SD_NO_WAIT_BUSY_END, SD_NO_CHECK_CRC7, + * SD_RSP_LEN_6 */ +#define SD_RSP_TYPE_R4 0x05 +/* SD_CALCULATE_CRC7, SD_CHECK_CRC16, + * SD_NO_WAIT_BUSY_END, SD_CHECK_CRC7, + * SD_RSP_LEN_6 */ +#define SD_RSP_TYPE_R5 0x01 +/* SD_CALCULATE_CRC7, SD_CHECK_CRC16, + * SD_NO_WAIT_BUSY_END, SD_CHECK_CRC7, + * SD_RSP_LEN_6 */ +#define SD_RSP_TYPE_R6 0x01 +/* SD_CALCULATE_CRC7, SD_CHECK_CRC16, + * SD_NO_WAIT_BUSY_END, SD_CHECK_CRC7, + * SD_RSP_LEN_6 */ +#define SD_RSP_TYPE_R7 0x01 + +/* SD_CFG3 */ +#define SD_RSP_80CLK_TIMEOUT_EN 0x01 + +/* SD_STAT1 */ +#define SD_CRC7_ERR 0x80 +#define SD_CRC16_ERR 0x40 +#define SD_CRC_WRITE_ERR 0x20 +#define SD_CRC_WRITE_ERR_MASK 0x1C +#define GET_CRC_TIME_OUT 0x02 +#define SD_TUNING_COMPARE_ERR 0x01 + +/* SD_STAT2 */ +#define SD_RSP_80CLK_TIMEOUT 0x01 + +/* SD_BUS_STAT */ +#define SD_CLK_TOGGLE_EN 0x80 +#define SD_CLK_FORCE_STOP 0x40 +#define SD_DAT3_STATUS 0x10 +#define SD_DAT2_STATUS 0x08 +#define SD_DAT1_STATUS 0x04 +#define SD_DAT0_STATUS 0x02 +#define SD_CMD_STATUS 0x01 + +/* SD_PAD_CTL */ +#define SD_IO_USING_1V8 0x80 +#define SD_IO_USING_3V3 0x7F +#define TYPE_A_DRIVING 0x00 +#define TYPE_B_DRIVING 0x01 +#define TYPE_C_DRIVING 0x02 +#define TYPE_D_DRIVING 0x03 + +/* SD_SAMPLE_POINT_CTL */ +#define DDR_FIX_RX_DAT 0x00 +#define DDR_VAR_RX_DAT 0x80 +#define DDR_FIX_RX_DAT_EDGE 0x00 +#define DDR_FIX_RX_DAT_14_DELAY 0x40 +#define DDR_FIX_RX_CMD 0x00 +#define DDR_VAR_RX_CMD 0x20 +#define DDR_FIX_RX_CMD_POS_EDGE 0x00 +#define DDR_FIX_RX_CMD_14_DELAY 0x10 +#define SD20_RX_POS_EDGE 0x00 +#define SD20_RX_14_DELAY 0x08 +#define SD20_RX_SEL_MASK 0x08 + +/* SD_PUSH_POINT_CTL */ +#define DDR_FIX_TX_CMD_DAT 0x00 +#define DDR_VAR_TX_CMD_DAT 0x80 +#define DDR_FIX_TX_DAT_14_TSU 0x00 +#define DDR_FIX_TX_DAT_12_TSU 0x40 +#define DDR_FIX_TX_CMD_NEG_EDGE 0x00 +#define DDR_FIX_TX_CMD_14_AHEAD 0x20 +#define SD20_TX_NEG_EDGE 0x00 +#define SD20_TX_14_AHEAD 0x10 +#define SD20_TX_SEL_MASK 0x10 +#define DDR_VAR_SDCLK_POL_SWAP 0x01 + +/* SD_TRANSFER */ +#define SD_TRANSFER_START 0x80 +#define SD_TRANSFER_END 0x40 +#define SD_STAT_IDLE 0x20 +#define SD_TRANSFER_ERR 0x10 +/* SD Transfer Mode definition */ +#define SD_TM_NORMAL_WRITE 0x00 +#define SD_TM_AUTO_WRITE_3 0x01 +#define SD_TM_AUTO_WRITE_4 0x02 +#define SD_TM_AUTO_READ_3 0x05 +#define SD_TM_AUTO_READ_4 0x06 +#define SD_TM_CMD_RSP 0x08 +#define SD_TM_AUTO_WRITE_1 0x09 +#define SD_TM_AUTO_WRITE_2 0x0A +#define SD_TM_NORMAL_READ 0x0C +#define SD_TM_AUTO_READ_1 0x0D +#define SD_TM_AUTO_READ_2 0x0E +#define SD_TM_AUTO_TUNING 0x0F + +/* SD_VPTX_CTL / SD_VPRX_CTL */ +#define PHASE_CHANGE 0x80 +#define PHASE_NOT_RESET 0x40 + +/* SD_DCMPS_TX_CTL / SD_DCMPS_RX_CTL */ +#define DCMPS_CHANGE 0x80 +#define DCMPS_CHANGE_DONE 0x40 +#define DCMPS_ERROR 0x20 +#define DCMPS_CURRENT_PHASE 0x1F + +/* SD_CMD_STATE */ +#define SD_CMD_IDLE 0x80 + +/* SD_DATA_STATE */ +#define SD_DATA_IDLE 0x80 + +/* MS_BLKEND */ +#define SET_BLKEND 0x01 + +/* MS_CFG */ +#define SAMPLE_TIME_RISING 0x00 +#define SAMPLE_TIME_FALLING 0x80 +#define PUSH_TIME_DEFAULT 0x00 +#define PUSH_TIME_ODD 0x40 +#define NO_EXTEND_TOGGLE 0x00 +#define EXTEND_TOGGLE_CHK 0x20 +#define MS_BUS_WIDTH_1 0x00 +#define MS_BUS_WIDTH_4 0x10 +#define MS_BUS_WIDTH_8 0x18 +#define MS_2K_SECTOR_MODE 0x04 +#define MS_512_SECTOR_MODE 0x00 +#define MS_TOGGLE_TIMEOUT_EN 0x00 +#define MS_TOGGLE_TIMEOUT_DISEN 0x01 +#define MS_NO_CHECK_INT 0x02 + +/* MS_TRANS_CFG */ +#define WAIT_INT 0x80 +#define NO_WAIT_INT 0x00 +#define NO_AUTO_READ_INT_REG 0x00 +#define AUTO_READ_INT_REG 0x40 +#define MS_CRC16_ERR 0x20 +#define MS_RDY_TIMEOUT 0x10 +#define MS_INT_CMDNK 0x08 +#define MS_INT_BREQ 0x04 +#define MS_INT_ERR 0x02 +#define MS_INT_CED 0x01 + +/* MS_TRANSFER */ +#define MS_TRANSFER_START 0x80 +#define MS_TRANSFER_END 0x40 +#define MS_TRANSFER_ERR 0x20 +#define MS_BS_STATE 0x10 +#define MS_TM_READ_BYTES 0x00 +#define MS_TM_NORMAL_READ 0x01 +#define MS_TM_WRITE_BYTES 0x04 +#define MS_TM_NORMAL_WRITE 0x05 +#define MS_TM_AUTO_READ 0x08 +#define MS_TM_AUTO_WRITE 0x0C +#define MS_TM_SET_CMD 0x06 +#define MS_TM_COPY_PAGE 0x07 +#define MS_TM_MULTI_READ 0x02 +#define MS_TM_MULTI_WRITE 0x03 + +/* MC_DMA_CTL */ +#define DMA_TC_EQ_0 0x80 +#define DMA_DIR_TO_CARD 0x00 +#define DMA_DIR_FROM_CARD 0x02 +#define DMA_EN 0x01 +#define DMA_128 (0 << 2) +#define DMA_256 (1 << 2) +#define DMA_512 (2 << 2) +#define DMA_1024 (3 << 2) +#define DMA_PACK_SIZE_MASK 0x0C + +/* CARD_INT_PEND */ +#define XD_INT 0x10 +#define MS_INT 0x08 +#define SD_INT 0x04 + +/* MC_FIFO_CTL */ +#define FIFO_FLUSH 0x01 + +/* AUTO_DELINK_EN */ +#define AUTO_DELINK 0x02 +#define FORCE_DELINK 0x01 + +/* MC_DMA_RST */ +#define DMA_RESET 0x01 + +#define SSC_POWER_MASK 0x01 +#define SSC_POWER_DOWN 0x01 +#define SSC_POWER_ON 0x00 + +/* OCPCTL */ +#define MS_OCP_DETECT_EN 0x08 +#define MS_OCP_INT_EN 0x04 +#define MS_OCP_INT_CLR 0x02 +#define MS_OCP_CLEAR 0x01 + +/* OCPSTAT */ +#define MS_OCP_DETECT 0x80 +#define MS_OCP_NOW 0x02 +#define MS_OCP_EVER 0x01 + +/* MC_FIFO_STAT */ +#define FIFO_FULL 0x01 +#define FIFO_EMPTY 0x02 + +/* RCCTL */ +#define U_HW_CMD_EN_MASK 0x02 +#define U_HW_CMD_EN 0x02 +#define U_HW_CMD_DIS 0x00 + +/* Register address */ +#define FPDCTL 0xFC00 +#define SSC_DIV_N_0 0xFC07 +#define SSC_CTL1 0xFC09 +#define SSC_CTL2 0xFC0A +#define CFG_MODE_1 0xFC0F +#define RCCTL 0xFC14 +#define SYS_DUMMY0 0xFC30 +#define XD_CP_WAITTIME 0xFD00 +#define XD_CP_PAGELEN 0xFD01 +#define XD_CP_READADDR0 0xFD02 +#define XD_CP_READADDR1 0xFD03 +#define XD_CP_READADDR2 0xFD04 +#define XD_CP_READADDR3 0xFD05 +#define XD_CP_READADDR4 0xFD06 +#define XD_CP_WRITEADDR0 0xFD07 +#define XD_CP_WRITEADDR1 0xFD08 +#define XD_CP_WRITEADDR2 0xFD09 +#define XD_CP_WRITEADDR3 0xFD0A +#define XD_CP_WRITEADDR4 0xFD0B +#define XD_INIT 0xFD10 +#define XD_DTCTL 0xFD11 +#define XD_CTL 0xFD12 +#define XD_TRANSFER 0xFD13 +#define XD_CFG 0xFD14 +#define XD_ADDRESS0 0xFD15 +#define XD_ADDRESS1 0xFD16 +#define XD_ADDRESS2 0xFD17 +#define XD_ADDRESS3 0xFD18 +#define XD_ADDRESS4 0xFD19 +#define XD_DAT 0xFD1A +#define XD_PAGE_CNT 0xFD1B +#define XD_PAGE_STATUS 0xFD1C +#define XD_BLOCK_STATUS 0xFD1D +#define XD_BLOCK_ADDR1_L 0xFD1E +#define XD_BLOCK_ADDR1_H 0xFD1F +#define XD_BLOCK_ADDR2_L 0xFD20 +#define XD_BLOCK_ADDR2_H 0xFD21 +#define XD_BYTE_CNT_L 0xFD22 +#define XD_BYTE_CNT_H 0xFD23 +#define XD_PARITY 0xFD24 +#define XD_ECC_BIT1 0xFD25 +#define XD_ECC_BYTE1 0xFD26 +#define XD_ECC_BIT2 0xFD27 +#define XD_ECC_BYTE2 0xFD28 +#define XD_RESERVED0 0xFD29 +#define XD_RESERVED1 0xFD2A +#define XD_RESERVED2 0xFD2B +#define XD_RESERVED3 0xFD2C +#define XD_CHK_DATA_STATUS 0xFD2D +#define XD_CATCTL 0xFD2E + +#define MS_BLKEND 0xFD30 +#define MS_READ_START 0xFD31 +#define MS_READ_COUNT 0xFD32 +#define MS_WRITE_START 0xFD33 +#define MS_WRITE_COUNT 0xFD34 +#define MS_COMMAND 0xFD35 +#define MS_OLD_BLOCK_0 0xFD36 +#define MS_OLD_BLOCK_1 0xFD37 +#define MS_NEW_BLOCK_0 0xFD38 +#define MS_NEW_BLOCK_1 0xFD39 +#define MS_LOG_BLOCK_0 0xFD3A +#define MS_LOG_BLOCK_1 0xFD3B +#define MS_BUS_WIDTH 0xFD3C +#define MS_PAGE_START 0xFD3D +#define MS_PAGE_LENGTH 0xFD3E +#define MS_CFG 0xFD40 +#define MS_TPC 0xFD41 +#define MS_TRANS_CFG 0xFD42 +#define MS_TRANSFER 0xFD43 +#define MS_INT_REG 0xFD44 +#define MS_BYTE_CNT 0xFD45 +#define MS_SECTOR_CNT_L 0xFD46 +#define MS_SECTOR_CNT_H 0xFD47 +#define MS_DBUS_H 0xFD48 + +#define CARD_DMA1_CTL 0xFD5C +#define CARD_PULL_CTL1 0xFD60 +#define CARD_PULL_CTL2 0xFD61 +#define CARD_PULL_CTL3 0xFD62 +#define CARD_PULL_CTL4 0xFD63 +#define CARD_PULL_CTL5 0xFD64 +#define CARD_PULL_CTL6 0xFD65 +#define CARD_EXIST 0xFD6F +#define CARD_INT_PEND 0xFD71 + +#define LDO_POWER_CFG 0xFD7B + +#define SD_CFG1 0xFDA0 +#define SD_CFG2 0xFDA1 +#define SD_CFG3 0xFDA2 +#define SD_STAT1 0xFDA3 +#define SD_STAT2 0xFDA4 +#define SD_BUS_STAT 0xFDA5 +#define SD_PAD_CTL 0xFDA6 +#define SD_SAMPLE_POINT_CTL 0xFDA7 +#define SD_PUSH_POINT_CTL 0xFDA8 +#define SD_CMD0 0xFDA9 +#define SD_CMD1 0xFDAA +#define SD_CMD2 0xFDAB +#define SD_CMD3 0xFDAC +#define SD_CMD4 0xFDAD +#define SD_CMD5 0xFDAE +#define SD_BYTE_CNT_L 0xFDAF +#define SD_BYTE_CNT_H 0xFDB0 +#define SD_BLOCK_CNT_L 0xFDB1 +#define SD_BLOCK_CNT_H 0xFDB2 +#define SD_TRANSFER 0xFDB3 +#define SD_CMD_STATE 0xFDB5 +#define SD_DATA_STATE 0xFDB6 +#define SD_VPCLK0_CTL 0xFC2A +#define SD_VPCLK1_CTL 0xFC2B +#define SD_DCMPS0_CTL 0xFC2C +#define SD_DCMPS1_CTL 0xFC2D + +#define CARD_DMA1_CTL 0xFD5C + +#define HW_VERSION 0xFC01 + +#define SSC_CLK_FPGA_SEL 0xFC02 +#define CLK_DIV 0xFC03 +#define SFSM_ED 0xFC04 + +#define CD_DEGLITCH_WIDTH 0xFC20 +#define CD_DEGLITCH_EN 0xFC21 +#define AUTO_DELINK_EN 0xFC23 + +#define FPGA_PULL_CTL 0xFC1D +#define CARD_CLK_SOURCE 0xFC2E + +#define CARD_SHARE_MODE 0xFD51 +#define CARD_DRIVE_SEL 0xFD52 +#define CARD_STOP 0xFD53 +#define CARD_OE 0xFD54 +#define CARD_AUTO_BLINK 0xFD55 +#define CARD_GPIO 0xFD56 +#define SD30_DRIVE_SEL 0xFD57 + +#define CARD_DATA_SOURCE 0xFD5D +#define CARD_SELECT 0xFD5E + +#define CARD_CLK_EN 0xFD79 +#define CARD_PWR_CTL 0xFD7A + +#define OCPCTL 0xFD80 +#define OCPPARA1 0xFD81 +#define OCPPARA2 0xFD82 +#define OCPSTAT 0xFD83 + +#define HS_USB_STAT 0xFE01 +#define HS_VCONTROL 0xFE26 +#define HS_VSTAIN 0xFE27 +#define HS_VLOADM 0xFE28 +#define HS_VSTAOUT 0xFE29 + +#define MC_IRQ 0xFF00 +#define MC_IRQEN 0xFF01 +#define MC_FIFO_CTL 0xFF02 +#define MC_FIFO_BC0 0xFF03 +#define MC_FIFO_BC1 0xFF04 +#define MC_FIFO_STAT 0xFF05 +#define MC_FIFO_MODE 0xFF06 +#define MC_FIFO_RD_PTR0 0xFF07 +#define MC_FIFO_RD_PTR1 0xFF08 +#define MC_DMA_CTL 0xFF10 +#define MC_DMA_TC0 0xFF11 +#define MC_DMA_TC1 0xFF12 +#define MC_DMA_TC2 0xFF13 +#define MC_DMA_TC3 0xFF14 +#define MC_DMA_RST 0xFF15 + +/* Memory mapping */ +#define RBUF_SIZE_MASK 0xFBFF +#define RBUF_BASE 0xF000 +#define PPBUF_BASE1 0xF800 +#define PPBUF_BASE2 0xFA00 + +/* int monitor_card_cd */ +#define CD_EXIST 0 +#define CD_NOT_EXIST 1 + +#define DEBOUNCE_CNT 5 + +int monitor_card_cd(struct rts51x_chip *chip, u8 card); + +void do_remaining_work(struct rts51x_chip *chip); +void do_reset_xd_card(struct rts51x_chip *chip); +void do_reset_sd_card(struct rts51x_chip *chip); +void do_reset_ms_card(struct rts51x_chip *chip); +void rts51x_init_cards(struct rts51x_chip *chip); +void rts51x_release_cards(struct rts51x_chip *chip); +int switch_ssc_clock(struct rts51x_chip *chip, int clk); +int switch_normal_clock(struct rts51x_chip *chip, int clk); +int card_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 sec_addr, + u16 sec_cnt); +u8 get_lun_card(struct rts51x_chip *chip, unsigned int lun); +int card_share_mode(struct rts51x_chip *chip, int card); +int rts51x_select_card(struct rts51x_chip *chip, int card); +void eject_card(struct rts51x_chip *chip, unsigned int lun); +void trans_dma_enable(enum dma_data_direction dir, struct rts51x_chip *chip, + u32 byte_cnt, u8 pack_size); +int enable_card_clock(struct rts51x_chip *chip, u8 card); +int disable_card_clock(struct rts51x_chip *chip, u8 card); +int card_power_on(struct rts51x_chip *chip, u8 card); +int card_power_off(struct rts51x_chip *chip, u8 card); +int toggle_gpio(struct rts51x_chip *chip, u8 gpio); +int turn_on_led(struct rts51x_chip *chip, u8 gpio); +int turn_off_led(struct rts51x_chip *chip, u8 gpio); + +static inline int check_card_ready(struct rts51x_chip *chip, unsigned int lun) +{ + if (chip->card_ready & chip->lun2card[lun]) + return 1; + + return 0; +} + +static inline int check_card_exist(struct rts51x_chip *chip, unsigned int lun) +{ + if (chip->card_exist & chip->lun2card[lun]) + return 1; + + return 0; +} + +static inline int check_card_wp(struct rts51x_chip *chip, unsigned int lun) +{ + if (chip->card_wp & chip->lun2card[lun]) + return 1; + + return 0; +} + +static inline int check_card_fail(struct rts51x_chip *chip, unsigned int lun) +{ + if (chip->card_fail & chip->lun2card[lun]) + return 1; + + return 0; +} + +static inline int check_card_ejected(struct rts51x_chip *chip, unsigned int lun) +{ + if (chip->card_ejected & chip->lun2card[lun]) + return 1; + + return 0; +} + +static inline int check_fake_card_ready(struct rts51x_chip *chip, + unsigned int lun) +{ + if (chip->fake_card_ready & chip->lun2card[lun]) + return 1; + + return 0; +} + +static inline u8 get_lun2card(struct rts51x_chip *chip, unsigned int lun) +{ + return chip->lun2card[lun]; +} + +static inline int check_lun_mc(struct rts51x_chip *chip, unsigned int lun) +{ + return CHK_BIT(chip->lun_mc, lun); +} + +static inline void set_lun_mc(struct rts51x_chip *chip, unsigned int lun) +{ + SET_BIT(chip->lun_mc, lun); +} + +static inline void clear_lun_mc(struct rts51x_chip *chip, unsigned int lun) +{ + CLR_BIT(chip->lun_mc, lun); +} + +static inline int switch_clock(struct rts51x_chip *chip, int clk) +{ + int retval = 0; + + if (chip->asic_code) + retval = switch_ssc_clock(chip, clk); + else + retval = switch_normal_clock(chip, clk); + + return retval; +} + +static inline void rts51x_clear_xd_error(struct rts51x_chip *chip) +{ + rts51x_ep0_write_register(chip, CARD_STOP, + XD_STOP | XD_CLR_ERR, XD_STOP | XD_CLR_ERR); + + rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH, FIFO_FLUSH); + rts51x_ep0_write_register(chip, MC_DMA_RST, DMA_RESET, DMA_RESET); + rts51x_ep0_write_register(chip, SFSM_ED, 0xf8, 0xf8); +} + +static inline void rts51x_clear_sd_error(struct rts51x_chip *chip) +{ + rts51x_ep0_write_register(chip, CARD_STOP, + SD_STOP | SD_CLR_ERR, SD_STOP | SD_CLR_ERR); + + rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH, FIFO_FLUSH); + rts51x_ep0_write_register(chip, MC_DMA_RST, DMA_RESET, DMA_RESET); + rts51x_ep0_write_register(chip, SFSM_ED, 0xf8, 0xf8); +} + +static inline void rts51x_clear_ms_error(struct rts51x_chip *chip) +{ + rts51x_ep0_write_register(chip, CARD_STOP, + MS_STOP | MS_CLR_ERR, MS_STOP | MS_CLR_ERR); + + rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH, FIFO_FLUSH); + rts51x_ep0_write_register(chip, MC_DMA_RST, DMA_RESET, DMA_RESET); + rts51x_ep0_write_register(chip, SFSM_ED, 0xf8, 0xf8); +} + +#endif /* __RTS51X_CARD_H */ diff --git a/drivers/staging/rts5139/rts51x_chip.c b/drivers/staging/rts5139/rts51x_chip.c new file mode 100644 index 0000000..adc0d00 --- /dev/null +++ b/drivers/staging/rts5139/rts51x_chip.c @@ -0,0 +1,1167 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#include <linux/blkdev.h> +#include <linux/kthread.h> +#include <linux/sched.h> +#include <linux/workqueue.h> + +#include "debug.h" +#include "trace.h" +#include "rts51x.h" +#include "rts51x_chip.h" +#include "rts51x_card.h" +#include "rts51x_transport.h" +#include "rts51x_sys.h" +#include "xd.h" +#include "ms.h" +#include "sd.h" + +static int check_sd_speed_prior(u32 sd_speed_prior) +{ + int i, fake_para = 0; + + /* Check the legality of sd_speed_prior */ + for (i = 0; i < 4; i++) { + u8 tmp = (u8) (sd_speed_prior >> (i * 8)); + if ((tmp < 0x01) || (tmp > 0x04)) { + fake_para = 1; + break; + } + } + + return !fake_para; +} + +int rts51x_reset_chip(struct rts51x_chip *chip) +{ + int retval; + + if (CHECK_PKG(chip, LQFP48)) { + RTS51X_WRITE_REG(chip, CARD_PWR_CTL, LDO3318_PWR_MASK, + LDO_SUSPEND); + RTS51X_WRITE_REG(chip, CARD_PWR_CTL, FORCE_LDO_POWERB, + FORCE_LDO_POWERB); + RTS51X_WRITE_REG(chip, CARD_PULL_CTL1, 0x30, 0x10); + RTS51X_WRITE_REG(chip, CARD_PULL_CTL5, 0x03, 0x01); + RTS51X_WRITE_REG(chip, CARD_PULL_CTL6, 0x0C, 0x04); + } + if (chip->asic_code) { + RTS51X_WRITE_REG(chip, SYS_DUMMY0, NYET_MSAK, NYET_EN); + RTS51X_WRITE_REG(chip, CD_DEGLITCH_WIDTH, 0xFF, 0x08); + rts51x_write_register(chip, CD_DEGLITCH_EN, XD_CD_DEGLITCH_EN, + 0x00); + rts51x_write_register(chip, SD30_DRIVE_SEL, SD30_DRIVE_MASK, + chip->option.sd30_pad_drive); + rts51x_write_register(chip, CARD_DRIVE_SEL, SD20_DRIVE_MASK, + chip->option.sd20_pad_drive); + if (chip->rts5179) + rts51x_write_register(chip, CARD_PULL_CTL5, 0x03, 0x01); + if (!chip->option.ww_enable) { + if (CHECK_PKG(chip, LQFP48)) { + rts51x_write_register(chip, CARD_PULL_CTL3, + 0x80, 0x80); + rts51x_write_register(chip, CARD_PULL_CTL6, + 0xf0, 0xA0); + } else { + rts51x_write_register(chip, CARD_PULL_CTL1, + 0x30, 0x20); + rts51x_write_register(chip, CARD_PULL_CTL3, + 0x80, 0x80); + rts51x_write_register(chip, CARD_PULL_CTL6, + 0x0c, 0x08); + } + } + } + if (chip->option.sd_ctl & SUPPORT_UHS50_MMC44) { + SET_UHS50(chip); + RTS51X_DEBUGP("option enable UHS50&MMC44,sd_ctl:0x%x\n", + chip->option.sd_ctl); + } else { + /* if(CHECK_PID(chip, 0x0139)&&CHECK_PKG(chip, LQFP48)) */ + if ((CHECK_PID(chip, 0x0139) && CHECK_PKG(chip, LQFP48)) + || chip->rts5179) { + SET_UHS50(chip); + RTS51X_DEBUGP("PID enable UHS50&MMC44\n"); + } else { + CLEAR_UHS50(chip); + RTS51X_DEBUGP("PID disable UHS50&MMC44\n"); + } + } + + if (chip->option.ms_errreg_fix && (chip->ic_version > 1)) + rts51x_write_register(chip, 0xFD4D, 0x01, 0x01); + retval = rts51x_write_phy_register(chip, 0xC2, 0x7C); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + rts51x_init_cmd(chip); + + /* GPIO OE */ + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_GPIO, GPIO_OE, GPIO_OE); +#ifdef LED_AUTO_BLINK + /* LED autoblink */ + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_AUTO_BLINK, + BLINK_ENABLE | BLINK_SPEED_MASK, + BLINK_ENABLE | chip->option.led_blink_speed); +#endif + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DMA1_CTL, + EXTEND_DMA1_ASYNC_SIGNAL, EXTEND_DMA1_ASYNC_SIGNAL); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); +#ifdef SUPPORT_OCP + if (chip->asic_code) { + rts51x_write_register(chip, OCPCTL, MS_OCP_DETECT_EN, + MS_OCP_DETECT_EN); + RTS51X_DEBUGP("Enable OCP detect!\n"); + } +#endif + if (chip->option.FT2_fast_mode) { + card_power_on(chip, SD_CARD | MS_CARD | XD_CARD); + wait_timeout(10); + } + rts51x_clear_start_time(chip); + + return STATUS_SUCCESS; +} + +int rts51x_init_chip(struct rts51x_chip *chip) +{ + int retval; + u8 val; + + chip->max_lun = 0; + chip->cur_clk = 0; + chip->cur_card = 0; + + chip->card2lun[XD_CARD] = 0; + chip->card2lun[SD_CARD] = 0; + chip->card2lun[MS_CARD] = 0; + chip->card_ejected = 0; + + chip->lun2card[0] = XD_CARD | SD_CARD | MS_CARD; +#if 0 + chip->option.sdr50_tx_phase = 0x01; + chip->option.sdr50_rx_phase = 0x05; + chip->option.ddr50_tx_phase = 0x09; + chip->option.ddr50_rx_phase = 0x06; /* add for debug */ +#endif +#ifdef CLOSE_SSC_POWER + rts51x_write_register(chip, FPDCTL, SSC_POWER_MASK, SSC_POWER_ON); + udelay(100); + rts51x_write_register(chip, CLK_DIV, CLK_CHANGE, 0x00); +#endif + RTS51X_SET_STAT(chip, STAT_RUN); + + RTS51X_READ_REG(chip, HW_VERSION, &val); + if ((val & 0x0f) >= 2) + chip->option.rcc_bug_fix_en = 0; + RTS51X_DEBUGP("rcc bug fix enable:%d\n", chip->option.rcc_bug_fix_en); + RTS51X_DEBUGP("HW_VERSION: 0x%x\n", val); + if (val & FPGA_VER) { + chip->asic_code = 0; + RTS51X_DEBUGP("FPGA!\n"); + } else { + chip->asic_code = 1; + RTS51X_DEBUGP("ASIC!\n"); + } + chip->ic_version = val & HW_VER_MASK; + + if (!check_sd_speed_prior(chip->option.sd_speed_prior)) + chip->option.sd_speed_prior = 0x01020403; + RTS51X_DEBUGP("sd_speed_prior = 0x%08x\n", + chip->option.sd_speed_prior); + + RTS51X_READ_REG(chip, CARD_SHARE_MODE, &val); + if (val & CARD_SHARE_LQFP_SEL) { + chip->package = LQFP48; + RTS51X_DEBUGP("Package: LQFP48\n"); + } else { + chip->package = QFN24; + RTS51X_DEBUGP("Package: QFN24\n"); + } + + RTS51X_READ_REG(chip, HS_USB_STAT, &val); + if (val & USB_HI_SPEED) { + chip->usb_speed = USB_20; + RTS51X_DEBUGP("USB High Speed\n"); + } else { + chip->usb_speed = USB_11; + RTS51X_DEBUGP("USB Full Speed\n"); + } + + RTS51X_READ_REG(chip, CFG_MODE_1, &val); + if (val & RTS5179) { + chip->rts5179 = 1; + RTS51X_DEBUGP("device is rts5179\n"); + } else { + chip->rts5179 = 0; + } + + retval = rts51x_reset_chip(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +int rts51x_release_chip(struct rts51x_chip *chip) +{ + xd_free_l2p_tbl(chip); + ms_free_l2p_tbl(chip); + chip->card_ready = 0; + return STATUS_SUCCESS; +} + +#ifndef LED_AUTO_BLINK +static inline void rts51x_blink_led(struct rts51x_chip *chip) +{ + /* Read/Write */ + if (chip->card_ready) { + if (chip->led_toggle_counter < + chip->option.led_toggle_interval) { + chip->led_toggle_counter++; + } else { + chip->led_toggle_counter = 0; + toggle_gpio(chip, LED_GPIO); + } + } +} +#endif + +int rts51x_check_start_time(struct rts51x_chip *chip) +{ + return 0; +} + +void rts51x_set_start_time(struct rts51x_chip *chip) +{ +} + +void rts51x_clear_start_time(struct rts51x_chip *chip) +{ +} + +static void rts51x_auto_delink_cmd(struct rts51x_chip *chip) +{ + rts51x_write_register(chip, AUTO_DELINK_EN, + AUTO_DELINK, AUTO_DELINK); +} + +static void rts51x_auto_delink_force_cmd(struct rts51x_chip *chip) +{ + rts51x_write_register(chip, AUTO_DELINK_EN, + AUTO_DELINK | FORCE_DELINK, + AUTO_DELINK | FORCE_DELINK); +} + +#ifdef USING_POLLING_CYCLE_DELINK +/* using polling cycle as delink time */ +static void rts51x_auto_delink_polling_cycle(struct rts51x_chip *chip) +{ + if (chip->auto_delink_counter <= + chip->option.delink_delay * 2) { + if (chip->auto_delink_counter == + chip->option.delink_delay) { + clear_first_install_mark(chip); + if (chip->card_exist) { + /* False card */ + if (!chip->card_ejected) { + /* if card is not ejected or safely + * remove,then do force delink */ + RTS51X_DEBUGP("False card inserted," + "do force delink\n"); + rts51x_auto_delink_force_cmd(chip); + chip->auto_delink_counter = + chip->option.delink_delay * 2 + 1; + } + } else { + RTS51X_DEBUGP("No card inserted, do delink\n"); + /* rts51x_write_register(chip, CARD_PWR_CTL, + DV3318_AUTO_PWR_OFF, 0); */ + rts51x_auto_delink_cmd(chip); + } + } + if (chip->auto_delink_counter == + chip->option.delink_delay * 2) { + RTS51X_DEBUGP("Try to do force delink\n"); + rts51x_auto_delink_force_cmd(chip); + } + chip->auto_delink_counter++; + } +} + +static void rts51x_auto_delink(struct rts51x_chip *chip) +{ + rts51x_auto_delink_polling_cycle(chip); +} +#else +/* some of called funcs are not implemented, so comment it out */ +#if 0 +/* using precise time as delink time */ +static void rts51x_auto_delink_precise_time(struct rts51x_chip *chip) +{ + int retvalue = 0; + + retvalue = rts51x_get_card_status(chip, &chip->card_status); + /* get card CD status success and card CD not exist, + * then check whether delink */ + if ((retvalue == STATUS_SUCCESS) + && (!(chip->card_status & (SD_CD | MS_CD | XD_CD)))) { + if (rts51x_count_delink_time(chip) >= + chip->option.delink_delay) { + clear_first_install_mark(chip); + RTS51X_DEBUGP("No card inserted, do delink\n"); + /* sangdy2010-05-17:disable because there is error + * after SSC clock closed and card power + * has been closed before */ + /* rts51x_write_register(chip, CARD_PWR_CTL, + DV3318_AUTO_PWR_OFF, 0); */ + rts51x_auto_delink_cmd(chip); + } + /* card CD exist and not ready, then do force delink */ + if ((retvalue == STATUS_SUCCESS) + && (chip->card_status & (SD_CD | MS_CD | XD_CD))) { + /* if card is not ejected or safely remove, + * then do force delink */ + if (!chip->card_ejected) { + /* sangdy2010-11-16:polling at least 2 cycles + * then do force delink for card may force delink + * if card is extracted and insert quickly + * after ready. */ + if (chip->auto_delink_counter > 1) { + if (rts51x_count_delink_time(chip) > + chip->option.delink_delay * 2) { + RTS51X_DEBUGP("Try to do force" + "delink\n"); + rts51x_auto_delink_force_cmd(chip); + } + } + } + } + chip->auto_delink_counter++; +} +#else +static void rts51x_auto_delink_precise_time(struct rts51x_chip *chip) +{ +} +#endif + +static void rts51x_auto_delink(struct rts51x_chip *chip) +{ + rts51x_auto_delink_precise_time(chip); +} +#endif + +void rts51x_polling_func(struct rts51x_chip *chip) +{ +#ifdef SUPPORT_SD_LOCK + struct sd_info *sd_card = &(chip->sd_card); + + if (sd_card->sd_erase_status) { + if (chip->card_exist & SD_CARD) { + u8 val; + rts51x_read_register(chip, SD_BUS_STAT, &val); + if (val & SD_DAT0_STATUS) { + /* Erase completed */ + sd_card->sd_erase_status = SD_NOT_ERASE; + sd_card->sd_lock_notify = 1; + + /* SD card should be reinited, + * so we release it here. */ + sd_cleanup_work(chip); + release_sd_card(chip); + chip->card_ready &= ~SD_CARD; + chip->card_exist &= ~SD_CARD; + chip->rw_card[chip->card2lun[SD_CARD]] = NULL; + clear_bit(chip->card2lun[SD_CARD], + &(chip->lun_mc)); + } + } else { + sd_card->sd_erase_status = SD_NOT_ERASE; + } + } +#endif + + rts51x_init_cards(chip); + +#ifdef SUPPORT_OCP + /* if OCP happen and card exist, then close card OE */ + if ((chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) && + (chip->card_exist)) { + + rts51x_prepare_run(chip); + + if (chip->card_exist & SD_CARD) + rts51x_write_register(chip, CARD_OE, SD_OUTPUT_EN, 0); + else if (chip->card_exist & MS_CARD) + rts51x_write_register(chip, CARD_OE, MS_OUTPUT_EN, 0); + else if (chip->card_exist & XD_CARD) + rts51x_write_register(chip, CARD_OE, XD_OUTPUT_EN, 0); + } +#endif + + if (chip->idle_counter < IDLE_MAX_COUNT) { + chip->idle_counter++; + } else { + if (!RTS51X_CHK_STAT(chip, STAT_IDLE)) { + RTS51X_DEBUGP("Idle state!\n"); + RTS51X_SET_STAT(chip, STAT_IDLE); +#ifndef LED_AUTO_BLINK + chip->led_toggle_counter = 0; +#endif + /* Idle state, turn off LED + * to reduce power consumption */ + if (chip->option.led_always_on + && (chip->card_exist & + (SD_CARD | MS_CARD | XD_CARD)) + && (!chip->card_ejected)) { + turn_on_led(chip, LED_GPIO); + } else { + if (chip->rts5179) { + rts51x_ep0_write_register(chip, + CARD_GPIO, + 0x03, 0x00); + } else { + turn_off_led(chip, LED_GPIO); + } + + } + +#ifdef CLOSE_SSC_POWER + if (!chip->card_ready) { + rts51x_write_register(chip, CLK_DIV, CLK_CHANGE, + CLK_CHANGE); + rts51x_write_register(chip, FPDCTL, + SSC_POWER_MASK, + SSC_POWER_DOWN); + RTS51X_DEBUGP("Close SSC clock power!\n"); + } +#endif + } + } + + switch (RTS51X_GET_STAT(chip)) { + case STAT_RUN: +#ifndef LED_AUTO_BLINK + rts51x_blink_led(chip); +#endif + do_remaining_work(chip); + break; + + case STAT_IDLE: + break; + + default: + break; + } + + if (chip->option.auto_delink_en && !chip->card_ready) { + rts51x_auto_delink(chip); + } else { + chip->auto_delink_counter = 0; + rts51x_clear_start_time(chip); + } +} + +void rts51x_add_cmd(struct rts51x_chip *chip, + u8 cmd_type, u16 reg_addr, u8 mask, u8 data) +{ + int i; + + if (chip->cmd_idx < ((CMD_BUF_LEN - CMD_OFFSET) / 4)) { + i = CMD_OFFSET + chip->cmd_idx * 4; + chip->cmd_buf[i++] = + ((cmd_type & 0x03) << 6) | (u8) ((reg_addr >> 8) & 0x3F); + chip->cmd_buf[i++] = (u8) reg_addr; + chip->cmd_buf[i++] = mask; + chip->cmd_buf[i++] = data; + chip->cmd_idx++; + } +} + +int rts51x_send_cmd(struct rts51x_chip *chip, u8 flag, int timeout) +{ + int result; + + chip->cmd_buf[CNT_H] = (u8) (chip->cmd_idx >> 8); + chip->cmd_buf[CNT_L] = (u8) (chip->cmd_idx); + chip->cmd_buf[STAGE_FLAG] = flag; + + result = rts51x_transfer_data_rcc(chip, SND_BULK_PIPE(chip), + (void *)(chip->cmd_buf), + chip->cmd_idx * 4 + CMD_OFFSET, + 0, NULL, timeout, MODE_C); + if (result != STATUS_SUCCESS) + TRACE_RET(chip, result); + + return STATUS_SUCCESS; +} + +int rts51x_get_rsp(struct rts51x_chip *chip, int rsp_len, int timeout) +{ + int result; + + if (rsp_len <= 0) + TRACE_RET(chip, STATUS_ERROR); + /* rsp_len must aligned to dword */ + if (rsp_len % 4) + rsp_len += (4 - rsp_len % 4); + + result = rts51x_transfer_data_rcc(chip, RCV_BULK_PIPE(chip), + (void *)chip->rsp_buf, rsp_len, + 0, NULL, timeout, STAGE_R); + if (result != STATUS_SUCCESS) + TRACE_RET(chip, result); + + return STATUS_SUCCESS; +} + +int rts51x_get_card_status(struct rts51x_chip *chip, u16 * status) +{ + int retval; + u16 val; + +#ifdef GET_CARD_STATUS_USING_EPC + retval = rts51x_get_epc_status(chip, &val); + + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); +#else + retval = rts51x_ctrl_transfer(chip, RCV_CTRL_PIPE(chip), 0x02, 0xC0, + 0, 0, &val, 2, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); +#endif + + if (status) + *status = val; + + return STATUS_SUCCESS; +} + +int rts51x_write_register(struct rts51x_chip *chip, u16 addr, u8 mask, u8 data) +{ + int retval; + + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, WRITE_REG_CMD, addr, mask, data); + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +int rts51x_read_register(struct rts51x_chip *chip, u16 addr, u8 * data) +{ + int retval; + + if (data) + *data = 0; + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, READ_REG_CMD, addr, 0, 0); + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + retval = rts51x_get_rsp(chip, 1, 100); + + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + if (data) + *data = chip->rsp_buf[0]; + + return STATUS_SUCCESS; +} + +int rts51x_ep0_write_register(struct rts51x_chip *chip, u16 addr, u8 mask, + u8 data) +{ + int retval; + u16 value = 0, index = 0; + + value |= (u16) (3 & 0x03) << 14; + value |= (u16) (addr & 0x3FFF); + index |= (u16) mask << 8; + index |= (u16) data; + + retval = rts51x_ctrl_transfer(chip, SND_CTRL_PIPE(chip), 0x00, 0x40, + cpu_to_be16(value), cpu_to_be16(index), + NULL, 0, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +int rts51x_ep0_read_register(struct rts51x_chip *chip, u16 addr, u8 * data) +{ + int retval; + u16 value = 0; + u8 val; + + if (data) + *data = 0; + + value |= (u16) (2 & 0x03) << 14; + value |= (u16) (addr & 0x3FFF); + + retval = rts51x_ctrl_transfer(chip, RCV_CTRL_PIPE(chip), 0x00, 0xC0, + cpu_to_be16(value), 0, &val, 1, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (data) + *data = val; + + return STATUS_SUCCESS; +} + +int rts51x_seq_write_register(struct rts51x_chip *chip, u16 addr, u16 len, + u8 *data) +{ + int result; + u16 cmd_len = len + 12; + + if (!data) + TRACE_RET(chip, STATUS_ERROR); + + cmd_len = (cmd_len <= CMD_BUF_LEN) ? cmd_len : CMD_BUF_LEN; + + /* cmd_len must aligned to dword */ + if (cmd_len % 4) + cmd_len += (4 - cmd_len % 4); + + chip->cmd_buf[0] = 'R'; + chip->cmd_buf[1] = 'T'; + chip->cmd_buf[2] = 'C'; + chip->cmd_buf[3] = 'R'; + chip->cmd_buf[PACKET_TYPE] = SEQ_WRITE; + chip->cmd_buf[5] = (u8) (len >> 8); + chip->cmd_buf[6] = (u8) len; + chip->cmd_buf[STAGE_FLAG] = 0; + chip->cmd_buf[8] = (u8) (addr >> 8); + chip->cmd_buf[9] = (u8) addr; + + memcpy(chip->cmd_buf + 12, data, len); + + result = rts51x_transfer_data_rcc(chip, SND_BULK_PIPE(chip), + (void *)(chip->cmd_buf), cmd_len, 0, + NULL, 100, MODE_C); + if (result != STATUS_SUCCESS) + TRACE_RET(chip, result); + + return STATUS_SUCCESS; +} + +int rts51x_seq_read_register(struct rts51x_chip *chip, u16 addr, u16 len, + u8 *data) +{ + int result; + u16 rsp_len; + + if (!data) + TRACE_RET(chip, STATUS_ERROR); + /* rsp_len must aligned to dword */ + if (len % 4) + rsp_len = len + (4 - len % 4); + else + rsp_len = len; + + chip->cmd_buf[0] = 'R'; + chip->cmd_buf[1] = 'T'; + chip->cmd_buf[2] = 'C'; + chip->cmd_buf[3] = 'R'; + chip->cmd_buf[PACKET_TYPE] = SEQ_READ; + chip->cmd_buf[5] = (u8) (rsp_len >> 8); + chip->cmd_buf[6] = (u8) rsp_len; + chip->cmd_buf[STAGE_FLAG] = STAGE_R; + chip->cmd_buf[8] = (u8) (addr >> 8); + chip->cmd_buf[9] = (u8) addr; + + result = rts51x_transfer_data_rcc(chip, SND_BULK_PIPE(chip), + (void *)(chip->cmd_buf), 12, 0, NULL, + 100, MODE_C); + if (result != STATUS_SUCCESS) + TRACE_RET(chip, result); + + result = rts51x_transfer_data_rcc(chip, RCV_BULK_PIPE(chip), + (void *)data, rsp_len, 0, NULL, 100, + STAGE_DI); + if (result != STATUS_SUCCESS) + TRACE_RET(chip, result); + + return STATUS_SUCCESS; +} + +int rts51x_read_ppbuf(struct rts51x_chip *chip, u8 * buf, int buf_len) +{ + int retval; + + if (!buf) + TRACE_RET(chip, STATUS_ERROR); + + retval = + rts51x_seq_read_register(chip, PPBUF_BASE2, (u16) buf_len, buf); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +int rts51x_write_ppbuf(struct rts51x_chip *chip, u8 * buf, int buf_len) +{ + int retval; + + if (!buf) + TRACE_RET(chip, STATUS_ERROR); + + retval = + rts51x_seq_write_register(chip, PPBUF_BASE2, (u16) buf_len, buf); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +int rts51x_write_phy_register(struct rts51x_chip *chip, u8 addr, u8 val) +{ + int retval; + + RTS51X_DEBUGP("Write 0x%x to phy register 0x%x\n", val, addr); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VSTAIN, 0xFF, val); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VCONTROL, 0xFF, addr & 0x0F); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x01); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VCONTROL, 0xFF, + (addr >> 4) & 0x0F); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x01); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +int rts51x_read_phy_register(struct rts51x_chip *chip, u8 addr, u8 * val) +{ + int retval; + + RTS51X_DEBUGP("Read from phy register 0x%x\n", addr); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VCONTROL, 0xFF, 0x07); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x01); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VCONTROL, 0xFF, + (addr >> 4) & 0x0F); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x01); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VCONTROL, 0xFF, addr & 0x0F); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x01); + rts51x_add_cmd(chip, READ_REG_CMD, HS_VSTAOUT, 0, 0); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 1, 100); + + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (val) + *val = chip->rsp_buf[0]; + + RTS51X_DEBUGP("Return value: 0x%x\n", chip->rsp_buf[0]); + + return STATUS_SUCCESS; +} + +void rts51x_do_before_power_down(struct rts51x_chip *chip) +{ + RTS51X_DEBUGP("rts51x_do_before_power_down\n"); + + rts51x_prepare_run(chip); + + rts51x_release_cards(chip); + if (chip->rts5179) + rts51x_ep0_write_register(chip, CARD_GPIO, 0x03, 0x00); + else + turn_off_led(chip, LED_GPIO); + + chip->cur_clk = 0; + chip->card_exist = 0; + chip->cur_card = 0; + if (chip->asic_code && !chip->option.ww_enable) { + if (CHECK_PKG(chip, LQFP48)) { + rts51x_write_register(chip, CARD_PULL_CTL3, 0x80, 0x00); + rts51x_write_register(chip, CARD_PULL_CTL6, 0xf0, 0x50); + } else { + rts51x_write_register(chip, CARD_PULL_CTL1, 0x30, 0x10); + rts51x_write_register(chip, CARD_PULL_CTL3, 0x80, 0x00); + rts51x_write_register(chip, CARD_PULL_CTL6, 0x0c, 0x04); + } + } + if (CHECK_PKG(chip, LQFP48)) + rts51x_write_register(chip, CARD_PWR_CTL, LDO3318_PWR_MASK, + LDO_OFF); +} + +void rts51x_clear_hw_error(struct rts51x_chip *chip) +{ + rts51x_ep0_write_register(chip, SFSM_ED, 0xf8, 0xf8); +} + +void rts51x_prepare_run(struct rts51x_chip *chip) +{ +#ifdef CLOSE_SSC_POWER + if (RTS51X_CHK_STAT(chip, STAT_IDLE) && (!chip->card_ready)) { + rts51x_write_register(chip, FPDCTL, SSC_POWER_MASK, + SSC_POWER_ON); + udelay(100); + RTS51X_DEBUGP("Open SSC clock power.\n"); + + rts51x_write_register(chip, CLK_DIV, CLK_CHANGE, 0x00); + } +#endif +#if 0 + if (chip->option.ss_en && RTS51X_CHK_STAT(chip, STAT_SS)) { + rts51x_try_to_exit_ss(chip); + wait_timeout(100); + rts51x_init_chip(chip); + rts51x_init_cards(chip); + } + + RTS51X_SET_STAT(chip, STAT_RUN); +#endif +} + +#ifdef _MSG_TRACE +void rts51x_trace_msg(struct rts51x_chip *chip, unsigned char *buf, int clear) +{ + unsigned char *ptr; + int i, msg_cnt; + + if (!buf) + return; + + ptr = buf; + + if (chip->trace_msg[chip->msg_idx].valid) + msg_cnt = TRACE_ITEM_CNT; + else + msg_cnt = chip->msg_idx; + *(ptr++) = (u8) (msg_cnt >> 24); + *(ptr++) = (u8) (msg_cnt >> 16); + *(ptr++) = (u8) (msg_cnt >> 8); + *(ptr++) = (u8) msg_cnt; + RTS51X_DEBUGP("Trace message count is %d\n", msg_cnt); + + for (i = 1; i <= msg_cnt; i++) { + int j, idx; + + idx = chip->msg_idx - i; + if (idx < 0) + idx += TRACE_ITEM_CNT; + + *(ptr++) = (u8) (chip->trace_msg[idx].line >> 8); + *(ptr++) = (u8) (chip->trace_msg[idx].line); + for (j = 0; j < MSG_FUNC_LEN; j++) + *(ptr++) = chip->trace_msg[idx].func[j]; + for (j = 0; j < MSG_FILE_LEN; j++) + *(ptr++) = chip->trace_msg[idx].file[j]; + for (j = 0; j < TIME_VAL_LEN; j++) + *(ptr++) = chip->trace_msg[idx].timeval_buf[j]; + } + + if (clear) { + chip->msg_idx = 0; + for (i = 0; i < TRACE_ITEM_CNT; i++) + chip->trace_msg[i].valid = 0; + } +} +#endif + +void rts51x_pp_status(struct rts51x_chip *chip, unsigned int lun, u8 * status, + u8 status_len) +{ + struct sd_info *sd_card = &(chip->sd_card); + struct ms_info *ms_card = &(chip->ms_card); + u8 card = get_lun_card(chip, lun); +#ifdef SUPPORT_OC + u8 oc_now_mask = 0, oc_ever_mask = 0; +#endif + + if (!status || (status_len < 32)) + return; + /* IC Version */ + status[0] = (u8) RTS51X_GET_PID(chip); + status[1] = (u8) (chip->ic_version); + + /* Auto delink mode */ + if (chip->option.auto_delink_en) + status[2] = 0x10; + else + status[2] = 0x00; + + /* Spec version */ + status[3] = 20; + status[4] = 10; + status[5] = 05; + status[6] = 21; + + /* Card WP */ + if (chip->card_wp) + status[7] = 0x20; + else + status[7] = 0x00; + +#ifdef SUPPORT_OC + /* Over current status */ + status[8] = 0; + oc_now_mask = MS_OCP_NOW; + oc_ever_mask = MS_OCP_EVER; + + if (chip->ocp_stat & oc_now_mask) + status[8] |= 0x02; + if (chip->ocp_stat & oc_ever_mask) + status[8] |= 0x01; +#endif + + if (card == SD_CARD) { + if (CHK_SD(sd_card)) { + if (CHK_SD_HCXC(sd_card)) { + if (sd_card->capacity > 0x4000000) + /* SDXC */ + status[0x0E] = 0x02; + else /* SDHC */ + status[0x0E] = 0x01; + } else { /* SDSC */ + status[0x0E] = 0x00; + } + + if (CHK_SD_SDR104(sd_card)) + status[0x0F] = 0x03; + else if (CHK_SD_DDR50(sd_card)) + status[0x0F] = 0x04; + else if (CHK_SD_SDR50(sd_card)) + status[0x0F] = 0x02; + else if (CHK_SD_HS(sd_card)) + status[0x0F] = 0x01; + else + status[0x0F] = 0x00; /* Normal speed */ + } else { + if (CHK_MMC_SECTOR_MODE(sd_card)) + status[0x0E] = 0x01; /* High capacity */ + else + status[0x0E] = 0x00; /* Normal capacity */ + + if (CHK_MMC_DDR52(sd_card)) + status[0x0F] = 0x03; /* DDR 52M */ + else if (CHK_MMC_52M(sd_card)) + status[0x0F] = 0x02; /* SDR 52M */ + else if (CHK_MMC_26M(sd_card)) + status[0x0F] = 0x01; /* SDR 26M */ + else + status[0x0F] = 0x00; /* Normal speed */ + } + } else if (card == MS_CARD) { + if (CHK_MSPRO(ms_card)) { + if (CHK_MSXC(ms_card)) + status[0x0E] = 0x01; /* XC */ + else + status[0x0E] = 0x00; + + if (CHK_HG8BIT(ms_card)) + status[0x0F] = 0x01; + else + status[0x0F] = 0x00; + } + } +#ifdef SUPPORT_SD_LOCK + /* SD Lock/Unlock */ + if (card == SD_CARD) { + status[0x17] = 0x80; + if (sd_card->sd_erase_status) + status[0x17] |= 0x01; /* Under erasing */ + if (sd_card->sd_lock_status & SD_LOCKED) { + status[0x17] |= 0x02; /* Locked */ + status[0x07] |= 0x40; /* Read protected */ + } + if (sd_card->sd_lock_status & SD_PWD_EXIST) + status[0x17] |= 0x04; /* Contain PWD */ + } else { + status[0x17] = 0x00; + } + + RTS51X_DEBUGP("status[0x17] = 0x%x\n", status[0x17]); +#endif + + /* Function 0 + * Support Magic Gate, CPRM and PhyRegister R/W */ + status[0x18] = 0x8A; + + /* Function 2 + * Support OC LUN status & WP LUN status */ + status[0x1A] = 0x28; + + /* Function 7 */ +#ifdef SUPPORT_SD_LOCK + /* Support SD Lock/Unlock */ + status[0x1F] = 0x01; +#endif + + /* Function 2 + * Support OC LUN status & WP LUN status */ + status[0x1A] = 0x28; +} + +void rts51x_read_status(struct rts51x_chip *chip, unsigned int lun, + u8 *rts51x_status, u8 status_len) +{ + if (!rts51x_status || (status_len < 16)) + return; + /* VID */ + rts51x_status[0] = (u8) (RTS51X_GET_VID(chip) >> 8); + rts51x_status[1] = (u8) RTS51X_GET_VID(chip); + + /* PID */ + rts51x_status[2] = (u8) (RTS51X_GET_PID(chip) >> 8); + rts51x_status[3] = (u8) RTS51X_GET_PID(chip); + + /* gbLUN */ + rts51x_status[4] = (u8) lun; + + /* Lun Card Number */ + if (chip->card_exist) { + if (chip->card_exist & XD_CARD) + rts51x_status[5] = 4; /* xD Card */ + else if (chip->card_exist & SD_CARD) + rts51x_status[5] = 2; /* SD Card */ + else if (chip->card_exist & MS_CARD) + rts51x_status[5] = 3; /* MS Card */ + else + rts51x_status[5] = 7; /* Multi */ + } else { + rts51x_status[5] = 7; /* Multi */ + } + + /* Total LUNs */ + rts51x_status[6] = 1; + + /* IC Version */ + rts51x_status[7] = (u8) RTS51X_GET_PID(chip); + rts51x_status[8] = chip->ic_version; + + /* Physical Exist */ + if (check_card_exist(chip, lun)) + rts51x_status[9] = 1; + else + rts51x_status[9] = 0; + + /* Multi Flag */ + rts51x_status[10] = 1; + + /* LUN Valid Map */ + rts51x_status[11] = XD_CARD | SD_CARD | MS_CARD; + + /* Logical Exist */ + if (check_card_ready(chip, lun)) + rts51x_status[12] = 1; + else + rts51x_status[12] = 0; + + /* Detailed Type */ + if (get_lun_card(chip, lun) == XD_CARD) { + rts51x_status[13] = 0x40; + } else if (get_lun_card(chip, lun) == SD_CARD) { + struct sd_info *sd_card = &(chip->sd_card); + + rts51x_status[13] = 0x20; + if (CHK_SD(sd_card)) { + if (CHK_SD_HCXC(sd_card)) + rts51x_status[13] |= 0x04; /* Hi capacity SD */ + if (CHK_SD_HS(sd_card)) + rts51x_status[13] |= 0x02; /* Hi speed SD */ + } else { + rts51x_status[13] |= 0x08; /* MMC card */ + if (CHK_MMC_52M(sd_card)) + rts51x_status[13] |= 0x02; /* Hi speed */ + if (CHK_MMC_SECTOR_MODE(sd_card)) + rts51x_status[13] |= 0x04; /* Hi capacity */ + } + } else if (get_lun_card(chip, lun) == MS_CARD) { + struct ms_info *ms_card = &(chip->ms_card); + + if (CHK_MSPRO(ms_card)) { + rts51x_status[13] = 0x38; /* MS Pro */ + if (CHK_HG8BIT(ms_card)) + rts51x_status[13] |= 0x04; /* HG */ +#ifdef SUPPORT_MSXC + if (CHK_MSXC(ms_card)) + rts51x_status[13] |= 0x01; /* MSXC */ +#endif + } else { + rts51x_status[13] = 0x30; + } + } else { + rts51x_status[13] = 0x70; + } +/* Support OC, auto delink, vendor r/w, get bus width */ + rts51x_status[14] = 0x78; + + rts51x_status[15] = 0x82; +} + +int rts51x_transfer_data_rcc(struct rts51x_chip *chip, unsigned int pipe, + void *buf, unsigned int len, int use_sg, + unsigned int *act_len, int timeout, u8 stage_flag) +{ + int retval; + + retval = + rts51x_transfer_data(chip, pipe, buf, len, use_sg, act_len, + timeout); + + return retval; + +} diff --git a/drivers/staging/rts5139/rts51x_chip.h b/drivers/staging/rts5139/rts51x_chip.h new file mode 100644 index 0000000..321ece7 --- /dev/null +++ b/drivers/staging/rts5139/rts51x_chip.h @@ -0,0 +1,904 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_CHIP_H +#define __RTS51X_CHIP_H + +#include <linux/usb.h> +#include <linux/usb_usual.h> +#include <linux/blkdev.h> +#include <linux/completion.h> +#include <linux/mutex.h> +#include <scsi/scsi_host.h> + +#include "trace.h" + +#define SUPPORT_CPRM +#define SUPPORT_MAGIC_GATE +#define SUPPORT_MSXC +/* #define LED_AUTO_BLINK */ + +/* { wwang, 2010-07-26 + * Add support for SD lock/unlock */ +/* #define SUPPORT_SD_LOCK */ +/* } wwang, 2010-07-26 */ + +#ifdef SUPPORT_MAGIC_GA +/* Using NORMAL_WRITE instead of AUTO_WRITE to set ICVTE */ +#define MG_SET_ICV_SLOW +#endif + +#ifdef SUPPORT_MSXC +#define XC_POWERCLASS +#define SUPPORT_PCGL_1P18 +#endif + +#define GET_CARD_STATUS_USING_EPC + +#define CLOSE_SSC_POWER + +#define SUPPORT_OCP + +#define MS_SPEEDUP +/* #define XD_SPEEDUP */ + +#define SD_XD_IO_FOLLOW_PWR + +#define SD_NR 2 +#define MS_NR 3 +#define XD_NR 4 +#define SD_CARD (1 << SD_NR) +#define MS_CARD (1 << MS_NR) +#define XD_CARD (1 << XD_NR) + +#define SD_CD 0x01 +#define MS_CD 0x02 +#define XD_CD 0x04 +#define SD_WP 0x08 + +#define MAX_ALLOWED_LUN_CNT 8 +#define CMD_BUF_LEN 1024 +#define RSP_BUF_LEN 1024 +#define POLLING_INTERVAL 50 /* 50ms */ + +#define XD_FREE_TABLE_CNT 1200 +#define MS_FREE_TABLE_CNT 512 + +/* Bit Operation */ +#define SET_BIT(data, idx) ((data) |= 1 << (idx)) +#define CLR_BIT(data, idx) ((data) &= ~(1 << (idx))) +#define CHK_BIT(data, idx) ((data) & (1 << (idx))) + +/* Command type */ +#define READ_REG_CMD 0 +#define WRITE_REG_CMD 1 +#define CHECK_REG_CMD 2 + +#define PACKET_TYPE 4 +#define CNT_H 5 +#define CNT_L 6 +#define STAGE_FLAG 7 +#define CMD_OFFSET 8 + +/* Packet type */ +#define BATCH_CMD 0 +#define SEQ_READ 1 +#define SEQ_WRITE 2 + +/* Stage flag */ +#define STAGE_R 0x01 +#define STAGE_DI 0x02 +#define STAGE_DO 0x04 +/* Return MS_TRANS_CFG, GET_INT */ +#define STAGE_MS_STATUS 0x08 +/* Return XD_CFG, XD_CTL, XD_PAGE_STATUS */ +#define STAGE_XD_STATUS 0x10 +/* Command stage mode */ +#define MODE_C 0x00 +#define MODE_CR (STAGE_R) +#define MODE_CDIR (STAGE_R | STAGE_DI) +#define MODE_CDOR (STAGE_R | STAGE_DO) + +/* Function return code */ +#ifndef STATUS_SUCCESS +#define STATUS_SUCCESS 0 +#endif + +#define STATUS_FAIL 1 +#define STATUS_READ_FAIL 2 +#define STATUS_WRITE_FAIL 3 +#define STATUS_TIMEDOUT 4 +#define STATUS_NOMEM 5 +#define STATUS_TRANS_SHORT 6 +#define STATUS_TRANS_LONG 7 +#define STATUS_STALLED 8 +#define STATUS_ERROR 10 + +#define IDLE_MAX_COUNT 10 +#define POLLING_WAIT_CNT 1 +#define DELINK_DELAY 100 +#define LED_TOGGLE_INTERVAL 6 +#define LED_GPIO 0 + +/* package */ +#define QFN24 0 +#define LQFP48 1 + +#define USB_11 0 +#define USB_20 1 + +/* + * Transport return codes + */ +/* Transport good, command good */ +#define TRANSPORT_GOOD 0 +/* Transport good, command failed */ +#define TRANSPORT_FAILED 1 +/* Command failed, no auto-sense */ +#define TRANSPORT_NO_SENSE 2 +/* Transport bad (i.e. device dead) */ +#define TRANSPORT_ERROR 3 + +/* Supported Clock */ +enum card_clock { CLK_20 = 1, CLK_30, CLK_40, CLK_50, CLK_60, CLK_80, CLK_100 }; + +#ifdef _MSG_TRACE + +#define TRACE_ITEM_CNT 64 + +struct trace_msg_t { + u16 line; +#define MSG_FUNC_LEN 64 + char func[MSG_FUNC_LEN]; +#define MSG_FILE_LEN 32 + char file[MSG_FILE_LEN]; +#define TIME_VAL_LEN 16 + u8 timeval_buf[TIME_VAL_LEN]; + u8 valid; +}; + +#endif /* _MSG_TRACE */ + +/* Size of the autosense data buffer */ +#define SENSE_SIZE 18 + +/* Sense type */ +#define SENSE_TYPE_NO_SENSE 0 +#define SENSE_TYPE_MEDIA_CHANGE 1 +#define SENSE_TYPE_MEDIA_NOT_PRESENT 2 +#define SENSE_TYPE_MEDIA_LBA_OVER_RANGE 3 +#define SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT 4 +#define SENSE_TYPE_MEDIA_WRITE_PROTECT 5 +#define SENSE_TYPE_MEDIA_INVALID_CMD_FIELD 6 +#define SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR 7 +#define SENSE_TYPE_MEDIA_WRITE_ERR 8 +#define SENSE_TYPE_FORMAT_IN_PROGRESS 9 +#define SENSE_TYPE_FORMAT_CMD_FAILED 10 +#ifdef SUPPORT_MAGIC_GATE +/* COPY PROTECTION KEY EXCHANGE FAILURE - KEY NOT ESTABLISHED */ +#define SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB 0x0b +/* COPY PROTECTION KEY EXCHANGE FAILURE - AUTHENTICATION FAILURE */ +#define SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN 0x0c +/* INCOMPATIBLE MEDIUM INSTALLED */ +#define SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM 0x0d +/* WRITE ERROR */ +#define SENSE_TYPE_MG_WRITE_ERR 0x0e +#endif +#ifdef SUPPORT_SD_LOCK +/* FOR Locked SD card */ +#define SENSE_TYPE_MEDIA_READ_FORBIDDEN 0x10 +#endif + +/*---- sense key ----*/ +#define ILI 0x20 /* ILI bit is on */ + +#define NO_SENSE 0x00 /* not exist sense key */ +#define RECOVER_ERR 0x01 /* Target/Logical unit is recoverd */ +#define NOT_READY 0x02 /* Logical unit is not ready */ +#define MEDIA_ERR 0x03 /* medium/data error */ +#define HARDWARE_ERR 0x04 /* hardware error */ +#define ILGAL_REQ 0x05 /* CDB/parameter/identify msg error */ +#define UNIT_ATTENTION 0x06 /* unit attention condition occur */ +#define DAT_PRTCT 0x07 /* read/write is desable */ +#define BLNC_CHK 0x08 /* find blank/DOF in read */ + /* write to unblank area */ +#define CPY_ABRT 0x0a /* Copy/Compare/Copy&Verify illgal */ +#define ABRT_CMD 0x0b /* Target make the command in error */ +#define EQUAL 0x0c /* Search Data end with Equal */ +#define VLM_OVRFLW 0x0d /* Some data are left in buffer */ +#define MISCMP 0x0e /* find inequality */ + +/*----------------------------------- + SENSE_DATA +-----------------------------------*/ +/*---- valid ----*/ +#define SENSE_VALID 0x80 /* Sense data is valid as SCSI2 */ +#define SENSE_INVALID 0x00 /* Sense data is invalid as SCSI2 */ + +/*---- error code ----*/ +#define CUR_ERR 0x70 /* current error */ +#define DEF_ERR 0x71 /* specific command error */ + +/*---- sense key Infomation ----*/ +#define SNSKEYINFO_LEN 3 /* length of sense key infomation */ + +#define SKSV 0x80 +#define CDB_ILLEGAL 0x40 +#define DAT_ILLEGAL 0x00 +#define BPV 0x08 +#define BIT_ILLEGAL0 0 /* bit0 is illegal */ +#define BIT_ILLEGAL1 1 /* bit1 is illegal */ +#define BIT_ILLEGAL2 2 /* bit2 is illegal */ +#define BIT_ILLEGAL3 3 /* bit3 is illegal */ +#define BIT_ILLEGAL4 4 /* bit4 is illegal */ +#define BIT_ILLEGAL5 5 /* bit5 is illegal */ +#define BIT_ILLEGAL6 6 /* bit6 is illegal */ +#define BIT_ILLEGAL7 7 /* bit7 is illegal */ + +/*---- ASC ----*/ +#define ASC_NO_INFO 0x00 +#define ASC_MISCMP 0x1d +#define ASC_INVLD_CDB 0x24 +#define ASC_INVLD_PARA 0x26 +#define ASC_LU_NOT_READY 0x04 +#define ASC_WRITE_ERR 0x0c +#define ASC_READ_ERR 0x11 +#define ASC_LOAD_EJCT_ERR 0x53 +#define ASC_MEDIA_NOT_PRESENT 0x3A +#define ASC_MEDIA_CHANGED 0x28 +#define ASC_MEDIA_IN_PROCESS 0x04 +#define ASC_WRITE_PROTECT 0x27 +#define ASC_LUN_NOT_SUPPORTED 0x25 + +/*---- ASQC ----*/ +#define ASCQ_NO_INFO 0x00 +#define ASCQ_MEDIA_IN_PROCESS 0x01 +#define ASCQ_MISCMP 0x00 +#define ASCQ_INVLD_CDB 0x00 +#define ASCQ_INVLD_PARA 0x02 +#define ASCQ_LU_NOT_READY 0x02 +#define ASCQ_WRITE_ERR 0x02 +#define ASCQ_READ_ERR 0x00 +#define ASCQ_LOAD_EJCT_ERR 0x00 +#define ASCQ_WRITE_PROTECT 0x00 + +struct sense_data_t { + unsigned char err_code; /* error code */ + /* bit7 : valid */ + /* (1 : SCSI2) */ + /* (0 : Vendor specific) */ + /* bit6-0 : error code */ + /* (0x70 : current error) */ + /* (0x71 : specific command error) */ + unsigned char seg_no; /* segment No. */ + unsigned char sense_key; /* byte5 : ILI */ + /* bit3-0 : sense key */ + unsigned char info[4]; /* infomation */ + unsigned char ad_sense_len; /* additional sense data length */ + unsigned char cmd_info[4]; /* command specific infomation */ + unsigned char asc; /* ASC */ + unsigned char ascq; /* ASCQ */ + unsigned char rfu; /* FRU */ + unsigned char sns_key_info[3]; /* sense key specific infomation */ +}; + +/* sd_ctl bit map */ +/* SD push point control, bit 0, 1 */ +#define SD_PUSH_POINT_CTL_MASK 0x03 +#define SD_PUSH_POINT_DELAY 0x01 +#define SD_PUSH_POINT_AUTO 0x02 +/* SD sample point control, bit 2, 3 */ +#define SD_SAMPLE_POINT_CTL_MASK 0x0C +#define SD_SAMPLE_POINT_DELAY 0x04 +#define SD_SAMPLE_POINT_AUTO 0x08 +/* SD DDR Tx phase set by user, bit 4 */ +#define SD_DDR_TX_PHASE_SET_BY_USER 0x10 +/* MMC DDR Tx phase set by user, bit 5 */ +#define MMC_DDR_TX_PHASE_SET_BY_USER 0x20 +/* Support MMC DDR mode, bit 6 */ +/*#define SUPPORT_MMC_DDR_MODE 0x40 */ +#define SUPPORT_UHS50_MMC44 0x40 + +struct rts51x_option { + u8 led_blink_speed; + + int mspro_formatter_enable; + + /* card clock expected by user for fpga platform */ + int fpga_sd_sdr104_clk; + int fpga_sd_ddr50_clk; + int fpga_sd_sdr50_clk; + int fpga_sd_hs_clk; + int fpga_mmc_52m_clk; + int fpga_ms_hg_clk; + int fpga_ms_4bit_clk; + + /* card clock expected by user for asic platform */ + int asic_sd_sdr104_clk; + int asic_sd_ddr50_clk; + int asic_sd_sdr50_clk; + int asic_sd_hs_clk; + int asic_mmc_52m_clk; + int asic_ms_hg_clk; + int asic_ms_4bit_clk; + + u8 ssc_depth_sd_sdr104; /* sw */ + u8 ssc_depth_sd_ddr50; /* sw */ + u8 ssc_depth_sd_sdr50; /* sw */ + u8 ssc_depth_sd_hs; /* sw */ + u8 ssc_depth_mmc_52m; /* sw */ + u8 ssc_depth_ms_hg; /* sw */ + u8 ssc_depth_ms_4bit; /* sw */ + u8 ssc_depth_low_speed; /* sw */ + + /* SD/MMC Tx phase */ + int sd_ddr_tx_phase; /* Enabled by bit 4 of sd_ctl */ + int mmc_ddr_tx_phase; /* Enabled by bit 5 of sd_ctl */ + + /* priority of choosing sd speed funciton */ + u32 sd_speed_prior; + + /* sd card control */ + u32 sd_ctl; + + /* Enable Selective Suspend */ + int ss_en; + /* Interval to enter SS from IDLE state (second) */ + int ss_delay; + int needs_remote_wakeup; + u8 ww_enable; /* sangdy2010-08-03:add for remote wakeup */ + + /* Enable SSC clock */ + int ssc_en; + + int auto_delink_en; + + /* sangdy2010-07-13:add FT2 fast mode */ + int FT2_fast_mode; + /* sangdy2010-07-15: + * add for config delay between 1/4 PMOS and 3/4 PMOS */ + int pwr_delay; + + int xd_rw_step; /* add to tune xd tRP */ + int D3318_off_delay; /* add to tune D3318 off delay time */ + int delink_delay; /* add to tune delink delay time */ + /* add for rts5129 to enable/disable D3318 off */ + u8 rts5129_D3318_off_enable; + u8 sd20_pad_drive; /* add to config SD20 PAD drive */ + u8 sd30_pad_drive; /* add to config SD30 pad drive */ + /*if reset or rw fail,then set SD20 pad drive again */ + u8 reset_or_rw_fail_set_pad_drive; + + u8 rcc_fail_flag; /* add to indicate whether rcc bug happen */ + u8 rcc_bug_fix_en; /* if set,then support fixing rcc bug */ + u8 debounce_num; /* debounce number */ + int polling_time; /* polling delay time */ + u8 led_toggle_interval; /* used to control led toggle speed */ + int xd_rwn_step; + u8 sd_send_status_en; + /* used to store default phase which is + * used when phase tune all pass. */ + u8 ddr50_tx_phase; + u8 ddr50_rx_phase; + u8 sdr50_tx_phase; + u8 sdr50_rx_phase; + /* used to enable select sdr50 tx phase according to proportion. */ + u8 sdr50_phase_sel; + u8 ms_errreg_fix; + u8 reset_mmc_first; + u8 speed_mmc; /* when set, then try CMD55 only twice */ + u8 led_always_on; /* if set, then led always on when card exist */ + u8 dv18_voltage; /* add to tune dv18 voltage */ +}; + +#define MS_FORMATTER_ENABLED(chip) ((chip)->option.mspro_formatter_enable) + +struct rts51x_chip; + +typedef int (*card_rw_func) (struct scsi_cmnd *srb, struct rts51x_chip *chip, + u32 sec_addr, u16 sec_cnt); + +/* For MS Card */ +#define MAX_DEFECTIVE_BLOCK 10 + +struct zone_entry { + u16 *l2p_table; + u16 *free_table; + u16 defect_list[MAX_DEFECTIVE_BLOCK]; /* For MS card only */ + int set_index; + int get_index; + int unused_blk_cnt; + int disable_count; + /* To indicate whether the L2P table of this zone has been built. */ + int build_flag; +}; + +struct xd_delay_write_tag { + u32 old_phyblock; + u32 new_phyblock; + u32 logblock; + u8 pageoff; + u8 delay_write_flag; +}; + +struct xd_info { + u8 maker_code; + u8 device_code; + u8 block_shift; + u8 page_off; + u8 addr_cycle; + u16 cis_block; + u8 multi_flag; + u8 err_code; + u32 capacity; + + struct zone_entry *zone; + int zone_cnt; + + struct xd_delay_write_tag delay_write; + + int counter; + + int xd_clock; +}; + +#define TYPE_SD 0x0000 +#define TYPE_MMC 0x0001 + +/* TYPE_SD */ +#define SD_HS 0x0100 +#define SD_SDR50 0x0200 +#define SD_DDR50 0x0400 +#define SD_SDR104 0x0800 +#define SD_HCXC 0x1000 + +/* TYPE_MMC */ +#define MMC_26M 0x0100 +#define MMC_52M 0x0200 +#define MMC_4BIT 0x0400 +#define MMC_8BIT 0x0800 +#define MMC_SECTOR_MODE 0x1000 +#define MMC_DDR52 0x2000 + +/* SD card */ +#define CHK_SD(sd_card) (((sd_card)->sd_type & 0xFF) == TYPE_SD) +#define CHK_SD_HS(sd_card) \ + (CHK_SD(sd_card) && ((sd_card)->sd_type & SD_HS)) +#define CHK_SD_SDR50(sd_card) \ + (CHK_SD(sd_card) && ((sd_card)->sd_type & SD_SDR50)) +#define CHK_SD_DDR50(sd_card) \ + (CHK_SD(sd_card) && ((sd_card)->sd_type & SD_DDR50)) +#define CHK_SD_SDR104(sd_card) \ + (CHK_SD(sd_card) && ((sd_card)->sd_type & SD_SDR104)) +#define CHK_SD_HCXC(sd_card) \ + (CHK_SD(sd_card) && ((sd_card)->sd_type & SD_HCXC)) +#define CHK_SD30_SPEED(sd_card) \ + (CHK_SD_SDR50(sd_card) || CHK_SD_DDR50(sd_card) ||\ + CHK_SD_SDR104(sd_card)) + +#define SET_SD(sd_card) ((sd_card)->sd_type = TYPE_SD) +#define SET_SD_HS(sd_card) ((sd_card)->sd_type |= SD_HS) +#define SET_SD_SDR50(sd_card) ((sd_card)->sd_type |= SD_SDR50) +#define SET_SD_DDR50(sd_card) ((sd_card)->sd_type |= SD_DDR50) +#define SET_SD_SDR104(sd_card) ((sd_card)->sd_type |= SD_SDR104) +#define SET_SD_HCXC(sd_card) ((sd_card)->sd_type |= SD_HCXC) + +#define CLR_SD_HS(sd_card) ((sd_card)->sd_type &= ~SD_HS) +#define CLR_SD_SDR50(sd_card) ((sd_card)->sd_type &= ~SD_SDR50) +#define CLR_SD_DDR50(sd_card) ((sd_card)->sd_type &= ~SD_DDR50) +#define CLR_SD_SDR104(sd_card) ((sd_card)->sd_type &= ~SD_SDR104) +#define CLR_SD_HCXC(sd_card) ((sd_card)->sd_type &= ~SD_HCXC) +#define CLR_SD30_SPEED(sd_card) \ + ((sd_card)->sd_type &= ~(SD_SDR50|SD_DDR50|SD_SDR104)) + +/* MMC card */ +#define CHK_MMC(sd_card) \ + (((sd_card)->sd_type & 0xFF) == TYPE_MMC) +#define CHK_MMC_26M(sd_card) \ + (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_26M)) +#define CHK_MMC_52M(sd_card) \ + (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_52M)) +#define CHK_MMC_4BIT(sd_card) \ + (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_4BIT)) +#define CHK_MMC_8BIT(sd_card) \ + (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_8BIT)) +#define CHK_MMC_SECTOR_MODE(sd_card)\ + (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_SECTOR_MODE)) +#define CHK_MMC_DDR52(sd_card) \ + (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_DDR52)) + +#define SET_MMC(sd_card) ((sd_card)->sd_type = TYPE_MMC) +#define SET_MMC_26M(sd_card) ((sd_card)->sd_type |= MMC_26M) +#define SET_MMC_52M(sd_card) ((sd_card)->sd_type |= MMC_52M) +#define SET_MMC_4BIT(sd_card) ((sd_card)->sd_type |= MMC_4BIT) +#define SET_MMC_8BIT(sd_card) ((sd_card)->sd_type |= MMC_8BIT) +#define SET_MMC_SECTOR_MODE(sd_card) ((sd_card)->sd_type |= MMC_SECTOR_MODE) +#define SET_MMC_DDR52(sd_card) ((sd_card)->sd_type |= MMC_DDR52) + +#define CLR_MMC_26M(sd_card) ((sd_card)->sd_type &= ~MMC_26M) +#define CLR_MMC_52M(sd_card) ((sd_card)->sd_type &= ~MMC_52M) +#define CLR_MMC_4BIT(sd_card) ((sd_card)->sd_type &= ~MMC_4BIT) +#define CLR_MMC_8BIT(sd_card) ((sd_card)->sd_type &= ~MMC_8BIT) +#define CLR_MMC_SECTOR_MODE(sd_card) ((sd_card)->sd_type &= ~MMC_SECTOR_MODE) +#define CLR_MMC_DDR52(sd_card) ((sd_card)->sd_type &= ~MMC_DDR52) + +#define CHK_MMC_HS(sd_card) \ + (CHK_MMC_52M(sd_card) && CHK_MMC_26M(sd_card)) +#define CLR_MMC_HS(sd_card) \ +do { \ + CLR_MMC_DDR52(sd_card); \ + CLR_MMC_52M(sd_card); \ + CLR_MMC_26M(sd_card); \ +} while (0) + +#define SD_SUPPORT_CLASS_TEN 0x01 +#define SD_SUPPORT_1V8 0x02 + +#define SD_SET_CLASS_TEN(sd_card) \ + ((sd_card)->sd_setting |= SD_SUPPORT_CLASS_TEN) +#define SD_CHK_CLASS_TEN(sd_card) \ + ((sd_card)->sd_setting & SD_SUPPORT_CLASS_TEN) +#define SD_CLR_CLASS_TEN(sd_card) \ + ((sd_card)->sd_setting &= ~SD_SUPPORT_CLASS_TEN) +#define SD_SET_1V8(sd_card) \ + ((sd_card)->sd_setting |= SD_SUPPORT_1V8) +#define SD_CHK_1V8(sd_card) \ + ((sd_card)->sd_setting & SD_SUPPORT_1V8) +#define SD_CLR_1V8(sd_card) \ + ((sd_card)->sd_setting &= ~SD_SUPPORT_1V8) +#define CLR_RETRY_SD20_MODE(sd_card) \ + ((sd_card)->retry_SD20_mode = 0) +#define SET_RETRY_SD20_MODE(sd_card) \ + ((sd_card)->retry_SD20_mode = 1) +#define CHK_RETRY_SD20_MODE(sd_card) \ + ((sd_card)->retry_SD20_mode == 1) + +struct sd_info { + u16 sd_type; + u8 err_code; + u8 sd_data_buf_ready; + u32 sd_addr; + u32 capacity; + + u8 raw_csd[16]; + u8 raw_scr[8]; + + /* Sequential RW */ + int seq_mode; + enum dma_data_direction pre_dir; + u32 pre_sec_addr; + u16 pre_sec_cnt; + + int counter; + + int sd_clock; + +#ifdef SUPPORT_CPRM + int sd_pass_thru_en; + int pre_cmd_err; + u8 last_rsp_type; + u8 rsp[17]; +#endif + + u8 func_group1_mask; + u8 func_group2_mask; + u8 func_group3_mask; + u8 func_group4_mask; + + u8 sd_switch_fail; + u8 sd_read_phase; + u8 retry_SD20_mode; /* sangdy2010-06-10 */ + u8 sd_reset_fail; /* sangdy2010-07-01 */ + u8 sd_send_status_en; + +#ifdef SUPPORT_SD_LOCK + u8 sd_lock_status; + u8 sd_erase_status; + u8 sd_lock_notify; +#endif +}; + +#define MODE_512_SEQ 0x01 +#define MODE_2K_SEQ 0x02 + +#define TYPE_MS 0x0000 +#define TYPE_MSPRO 0x0001 + +#define MS_4BIT 0x0100 +#define MS_8BIT 0x0200 +#define MS_HG 0x0400 +#define MS_XC 0x0800 + +#define HG8BIT (MS_HG | MS_8BIT) + +#define CHK_MSPRO(ms_card) \ + (((ms_card)->ms_type & 0xFF) == TYPE_MSPRO) +#define CHK_HG8BIT(ms_card) \ + (CHK_MSPRO(ms_card) && (((ms_card)->ms_type & HG8BIT) == HG8BIT)) +#define CHK_MSXC(ms_card) \ + (CHK_MSPRO(ms_card) && ((ms_card)->ms_type & MS_XC)) +#define CHK_MSHG(ms_card) \ + (CHK_MSPRO(ms_card) && ((ms_card)->ms_type & MS_HG)) + +#define CHK_MS8BIT(ms_card) (((ms_card)->ms_type & MS_8BIT)) +#define CHK_MS4BIT(ms_card) (((ms_card)->ms_type & MS_4BIT)) + +struct ms_delay_write_tag { + u16 old_phyblock; + u16 new_phyblock; + u16 logblock; + u8 pageoff; + u8 delay_write_flag; +}; + +struct ms_info { + u16 ms_type; + u8 block_shift; + u8 page_off; + u16 total_block; + u16 boot_block; + u32 capacity; + + u8 check_ms_flow; + u8 switch_8bit_fail; + u8 err_code; + + struct zone_entry *segment; + int segment_cnt; + + int pro_under_formatting; + int format_status; + u16 progress; + u8 raw_sys_info[96]; +#ifdef SUPPORT_PCGL_1P18 + u8 raw_model_name[48]; +#endif + + u8 multi_flag; + + /* Sequential RW */ + u8 seq_mode; + enum dma_data_direction pre_dir; + u32 pre_sec_addr; + u16 pre_sec_cnt; + u32 total_sec_cnt; + u8 last_rw_int; + + struct ms_delay_write_tag delay_write; + + int counter; + + int ms_clock; + +#ifdef SUPPORT_MAGIC_GATE + u8 magic_gate_id[16]; + u8 mg_entry_num; + int mg_auth; /* flag to indicate authentication process */ +#endif +}; + +#define PRO_UNDER_FORMATTING(ms_card) \ + ((ms_card)->pro_under_formatting) +#define SET_FORMAT_STATUS(ms_card, status) \ + ((ms_card)->format_status = (status)) +#define CHK_FORMAT_STATUS(ms_card, status) \ + ((ms_card)->format_status == (status)) + +struct scsi_cmnd; + +enum CHIP_STAT { STAT_INIT, STAT_IDLE, STAT_RUN, STAT_SS_PRE, STAT_SS, + STAT_SUSPEND }; + +struct rts51x_chip { + u16 vendor_id; + u16 product_id; + char max_lun; + + struct scsi_cmnd *srb; + struct sense_data_t sense_buffer[MAX_ALLOWED_LUN_CNT]; + +#ifndef LED_AUTO_BLINK + int led_toggle_counter; +#endif + int ss_counter; + int idle_counter; + int auto_delink_counter; + enum CHIP_STAT chip_stat; + + int resume_from_scsi; + + /* Card information */ + struct xd_info xd_card; + struct sd_info sd_card; + struct ms_info ms_card; + + int cur_clk; /* current card clock */ + int cur_card; /* Current card module */ + + u8 card_exist; /* card exist bit map (physical exist) */ + u8 card_ready; /* card ready bit map (reset successfully) */ + u8 card_fail; /* card reset fail bit map */ + u8 card_ejected; /* card ejected bit map */ + u8 card_wp; /* card write protected bit map */ + + u8 fake_card_ready; + /* flag to indicate whether to answer MediaChange */ + unsigned long lun_mc; + + /* card bus width */ + u8 card_bus_width[MAX_ALLOWED_LUN_CNT]; + /* card capacity */ + u32 capacity[MAX_ALLOWED_LUN_CNT]; + + /* read/write card function pointer */ + card_rw_func rw_card[MAX_ALLOWED_LUN_CNT]; + /* read/write capacity, used for GPIO Toggle */ + u32 rw_cap[MAX_ALLOWED_LUN_CNT]; + /* card to lun mapping table */ + u8 card2lun[32]; + /* lun to card mapping table */ + u8 lun2card[MAX_ALLOWED_LUN_CNT]; + +#ifdef _MSG_TRACE + struct trace_msg_t trace_msg[TRACE_ITEM_CNT]; + int msg_idx; +#endif + + int rw_need_retry; + + /* ASIC or FPGA */ + int asic_code; + + /* QFN24 or LQFP48 */ + int package; + + /* Full Speed or High Speed */ + int usb_speed; + + /*sangdy:enable or disable UHS50 and MMC4.4 */ + int uhs50_mmc44_en; + + u8 ic_version; + + /* Command buffer */ + u8 *cmd_buf; + unsigned int cmd_idx; + /* Response buffer */ + u8 *rsp_buf; + + u16 card_status; + +#ifdef SUPPORT_OCP + u16 ocp_stat; +#endif + + struct rts51x_option option; + struct rts51x_usb *usb; + + u8 rcc_read_response; + int reset_need_retry; + u8 rts5179; +}; + +#define UHS50_EN 0x0001 +#define UHS50_DIS 0x0000 +#define SET_UHS50(chip) ((chip)->uhs50_mmc44_en = UHS50_EN) +#define CLEAR_UHS50(chip) ((chip)->uhs50_mmc44_en = UHS50_DIS) +#define CHECK_UHS50(chip) (((chip)->uhs50_mmc44_en&0xff) == UHS50_EN) + +#define RTS51X_GET_VID(chip) ((chip)->vendor_id) +#define RTS51X_GET_PID(chip) ((chip)->product_id) + +#define RTS51X_SET_STAT(chip, stat) \ +do { \ + if ((stat) != STAT_IDLE) { \ + (chip)->idle_counter = 0; \ + } \ + (chip)->chip_stat = (enum CHIP_STAT)(stat); \ +} while (0) +#define RTS51X_CHK_STAT(chip, stat) ((chip)->chip_stat == (stat)) +#define RTS51X_GET_STAT(chip) ((chip)->chip_stat) + +#define CHECK_PID(chip, pid) (RTS51X_GET_PID(chip) == (pid)) +#define CHECK_PKG(chip, pkg) ((chip)->package == (pkg)) +#define CHECK_USB(chip, speed) ((chip)->usb_speed == (speed)) + +int rts51x_reset_chip(struct rts51x_chip *chip); +int rts51x_init_chip(struct rts51x_chip *chip); +int rts51x_release_chip(struct rts51x_chip *chip); +void rts51x_polling_func(struct rts51x_chip *chip); + +static inline void rts51x_init_cmd(struct rts51x_chip *chip) +{ + chip->cmd_idx = 0; + chip->cmd_buf[0] = 'R'; + chip->cmd_buf[1] = 'T'; + chip->cmd_buf[2] = 'C'; + chip->cmd_buf[3] = 'R'; + chip->cmd_buf[PACKET_TYPE] = BATCH_CMD; +} + +void rts51x_add_cmd(struct rts51x_chip *chip, + u8 cmd_type, u16 reg_addr, u8 mask, u8 data); +int rts51x_send_cmd(struct rts51x_chip *chip, u8 flag, int timeout); +int rts51x_get_rsp(struct rts51x_chip *chip, int rsp_len, int timeout); + +static inline void rts51x_read_rsp_buf(struct rts51x_chip *chip, int offset, + u8 *buf, int buf_len) +{ + memcpy(buf, chip->rsp_buf + offset, buf_len); +} + +static inline u8 *rts51x_get_rsp_data(struct rts51x_chip *chip) +{ + return chip->rsp_buf; +} + +int rts51x_get_card_status(struct rts51x_chip *chip, u16 * status); +int rts51x_write_register(struct rts51x_chip *chip, u16 addr, u8 mask, u8 data); +int rts51x_read_register(struct rts51x_chip *chip, u16 addr, u8 * data); +int rts51x_ep0_write_register(struct rts51x_chip *chip, u16 addr, u8 mask, + u8 data); +int rts51x_ep0_read_register(struct rts51x_chip *chip, u16 addr, u8 * data); +int rts51x_seq_write_register(struct rts51x_chip *chip, u16 addr, u16 len, + u8 *data); +int rts51x_seq_read_register(struct rts51x_chip *chip, u16 addr, u16 len, + u8 *data); +int rts51x_read_ppbuf(struct rts51x_chip *chip, u8 *buf, int buf_len); +int rts51x_write_ppbuf(struct rts51x_chip *chip, u8 *buf, int buf_len); +int rts51x_write_phy_register(struct rts51x_chip *chip, u8 addr, u8 val); +int rts51x_read_phy_register(struct rts51x_chip *chip, u8 addr, u8 *val); +void rts51x_do_before_power_down(struct rts51x_chip *chip); +void rts51x_clear_hw_error(struct rts51x_chip *chip); +void rts51x_prepare_run(struct rts51x_chip *chip); +void rts51x_trace_msg(struct rts51x_chip *chip, unsigned char *buf, int clear); +void rts51x_pp_status(struct rts51x_chip *chip, unsigned int lun, u8 *status, + u8 status_len); +void rts51x_read_status(struct rts51x_chip *chip, unsigned int lun, + u8 *rts51x_status, u8 status_len); +int rts51x_transfer_data_rcc(struct rts51x_chip *chip, unsigned int pipe, + void *buf, unsigned int len, int use_sg, + unsigned int *act_len, int timeout, u8 stage_flag); + +#define RTS51X_WRITE_REG(chip, addr, mask, data) \ +do { \ + int _retval = rts51x_write_register((chip), \ + (addr), (mask), (data)); \ + if (_retval != STATUS_SUCCESS) { \ + TRACE_RET((chip), _retval); \ + } \ +} while (0) + +#define RTS51X_READ_REG(chip, addr, data) \ +do { \ + int _retval = rts51x_read_register((chip), \ + (addr), (data)); \ + if (_retval != STATUS_SUCCESS) { \ + TRACE_RET((chip), _retval); \ + } \ +} while (0) + +#endif /* __RTS51X_CHIP_H */ diff --git a/drivers/staging/rts5139/rts51x_fop.c b/drivers/staging/rts5139/rts51x_fop.c new file mode 100644 index 0000000..6eaebb6 --- /dev/null +++ b/drivers/staging/rts5139/rts51x_fop.c @@ -0,0 +1,298 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#include "rts51x.h" + +#ifdef SUPPORT_FILE_OP + +#include <linux/types.h> +#include <linux/stat.h> +#include <linux/kref.h> +#include <linux/slab.h> + +#include "rts51x_chip.h" +#include "rts51x_card.h" +#include "rts51x_fop.h" +#include "sd_cprm.h" +#include "rts51x.h" + +#define RTS5139_IOC_MAGIC 0x39 + +#define RTS5139_IOC_SD_DIRECT _IOWR(RTS5139_IOC_MAGIC, 0xA0, int) +#define RTS5139_IOC_SD_GET_RSP _IOWR(RTS5139_IOC_MAGIC, 0xA1, int) + +static int rts51x_sd_direct_cmnd(struct rts51x_chip *chip, + struct sd_direct_cmnd *cmnd) +{ + int retval; + u8 dir, cmd12, standby, acmd, cmd_idx, rsp_code; + u8 *buf; + u32 arg, len; + + dir = (cmnd->cmnd[0] >> 3) & 0x03; + cmd12 = (cmnd->cmnd[0] >> 2) & 0x01; + standby = (cmnd->cmnd[0] >> 1) & 0x01; + acmd = cmnd->cmnd[0] & 0x01; + cmd_idx = cmnd->cmnd[1]; + arg = ((u32) (cmnd->cmnd[2]) << 24) | ((u32) (cmnd->cmnd[3]) << 16) | + ((u32) (cmnd->cmnd[4]) << 8) | cmnd->cmnd[5]; + len = + ((u32) (cmnd->cmnd[6]) << 16) | ((u32) (cmnd->cmnd[7]) << 8) | + cmnd->cmnd[8]; + rsp_code = cmnd->cmnd[9]; + + if (dir) { + if (!cmnd->buf || (cmnd->buf_len < len)) + TRACE_RET(chip, STATUS_FAIL); + } + + switch (dir) { + case 0: + /* No data */ + retval = ext_sd_execute_no_data(chip, chip->card2lun[SD_CARD], + cmd_idx, standby, acmd, + rsp_code, arg); + if (retval != TRANSPORT_GOOD) + TRACE_RET(chip, STATUS_FAIL); + break; + + case 1: + /* Read from card */ + buf = kmalloc(cmnd->buf_len, GFP_KERNEL); + if (!buf) + TRACE_RET(chip, STATUS_NOMEM); + + retval = ext_sd_execute_read_data(chip, chip->card2lun[SD_CARD], + cmd_idx, cmd12, standby, acmd, + rsp_code, arg, len, buf, + cmnd->buf_len, 0); + if (retval != TRANSPORT_GOOD) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + + retval = + copy_to_user((void *)cmnd->buf, (void *)buf, cmnd->buf_len); + if (retval) { + kfree(buf); + TRACE_RET(chip, STATUS_NOMEM); + } + + kfree(buf); + break; + + case 2: + /* Write to card */ + buf = kmalloc(cmnd->buf_len, GFP_KERNEL); + if (!buf) + TRACE_RET(chip, STATUS_NOMEM); + + retval = + copy_from_user((void *)buf, (void *)cmnd->buf, + cmnd->buf_len); + if (retval) { + kfree(buf); + TRACE_RET(chip, STATUS_NOMEM); + } + + retval = + ext_sd_execute_write_data(chip, chip->card2lun[SD_CARD], + cmd_idx, cmd12, standby, acmd, + rsp_code, arg, len, buf, + cmnd->buf_len, 0); + if (retval != TRANSPORT_GOOD) { + kfree(buf); + TRACE_RET(chip, STATUS_FAIL); + } + + kfree(buf); + + break; + + default: + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +static int rts51x_sd_get_rsp(struct rts51x_chip *chip, struct sd_rsp *rsp) +{ + struct sd_info *sd_card = &(chip->sd_card); + int count = 0, retval; + + if (sd_card->pre_cmd_err) { + sd_card->pre_cmd_err = 0; + TRACE_RET(chip, STATUS_FAIL); + } + + if (sd_card->last_rsp_type == SD_RSP_TYPE_R0) + TRACE_RET(chip, STATUS_FAIL); + else if (sd_card->last_rsp_type == SD_RSP_TYPE_R2) + count = (rsp->rsp_len < 17) ? rsp->rsp_len : 17; + else + count = (rsp->rsp_len < 6) ? rsp->rsp_len : 6; + + retval = copy_to_user((void *)rsp->rsp, (void *)sd_card->rsp, count); + if (retval) + TRACE_RET(chip, STATUS_NOMEM); + + RTS51X_DEBUGP("Response length: %d\n", count); + RTS51X_DEBUGP("Response: 0x%x 0x%x 0x%x 0x%x\n", + sd_card->rsp[0], sd_card->rsp[1], sd_card->rsp[2], + sd_card->rsp[3]); + + return STATUS_SUCCESS; +} + +int rts51x_open(struct inode *inode, struct file *filp) +{ + struct rts51x_chip *chip; + struct usb_interface *interface; + int subminor; + int retval = 0; + + subminor = iminor(inode); + + interface = usb_find_interface(&rts51x_driver, subminor); + if (!interface) { + RTS51X_DEBUGP("%s - error, can't find device for minor %d\n", + __func__, subminor); + retval = -ENODEV; + goto exit; + } + + chip = (struct rts51x_chip *)usb_get_intfdata(interface); + if (!chip) { + RTS51X_DEBUGP("Can't find chip\n"); + retval = -ENODEV; + goto exit; + } + + /* Increase our reference to the host */ + scsi_host_get(rts51x_to_host(chip)); + + /* lock the device pointers */ + mutex_lock(&(chip->usb->dev_mutex)); + + /* save our object in the file's private structure */ + filp->private_data = chip; + + /* unlock the device pointers */ + mutex_unlock(&chip->usb->dev_mutex); + +exit: + return retval; +} + +int rts51x_release(struct inode *inode, struct file *filp) +{ + struct rts51x_chip *chip; + + chip = (struct rts51x_chip *)filp->private_data; + if (chip == NULL) + return -ENODEV; + + /* Drop our reference to the host; the SCSI core will free it + * (and "chip" along with it) when the refcount becomes 0. */ + scsi_host_put(rts51x_to_host(chip)); + + return 0; +} + +ssize_t rts51x_read(struct file *filp, char __user *buf, size_t count, + loff_t *f_pos) +{ + return 0; +} + +ssize_t rts51x_write(struct file *filp, const char __user *buf, size_t count, + loff_t *f_pos) +{ + return 0; +} + +#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36) */ +int rts51x_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +#else +long rts51x_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +#endif +{ + struct rts51x_chip *chip; + struct sd_direct_cmnd cmnd; + struct sd_rsp rsp; + int retval = 0; + + chip = (struct rts51x_chip *)filp->private_data; + if (chip == NULL) + return -ENODEV; + + /* lock the device pointers */ + mutex_lock(&(chip->usb->dev_mutex)); + + switch (cmd) { + case RTS5139_IOC_SD_DIRECT: + retval = + copy_from_user((void *)&cmnd, (void *)arg, + sizeof(struct sd_direct_cmnd)); + if (retval) { + retval = -ENOMEM; + TRACE_GOTO(chip, exit); + } + retval = rts51x_sd_direct_cmnd(chip, &cmnd); + if (retval != STATUS_SUCCESS) { + retval = -EIO; + TRACE_GOTO(chip, exit); + } + break; + + case RTS5139_IOC_SD_GET_RSP: + retval = + copy_from_user((void *)&rsp, (void *)arg, + sizeof(struct sd_rsp)); + if (retval) { + retval = -ENOMEM; + TRACE_GOTO(chip, exit); + } + retval = rts51x_sd_get_rsp(chip, &rsp); + if (retval != STATUS_SUCCESS) { + retval = -EIO; + TRACE_GOTO(chip, exit); + } + break; + + default: + break; + } + +exit: + /* unlock the device pointers */ + mutex_unlock(&chip->usb->dev_mutex); + + return retval; +} + +#endif diff --git a/drivers/staging/rts5139/rts51x_fop.h b/drivers/staging/rts5139/rts51x_fop.h new file mode 100644 index 0000000..0453f57 --- /dev/null +++ b/drivers/staging/rts5139/rts51x_fop.h @@ -0,0 +1,62 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_FOP_H +#define __RTS51X_FOP_H + +#include "rts51x.h" + +#ifdef SUPPORT_FILE_OP + +#include <linux/fs.h> +#include <linux/types.h> + +struct sd_direct_cmnd { + u8 cmnd[12]; + void *buf; + int buf_len; +}; + +struct sd_rsp { + void *rsp; + int rsp_len; +}; + +int rts51x_open(struct inode *inode, struct file *filp); +int rts51x_release(struct inode *inode, struct file *filp); +ssize_t rts51x_read(struct file *filp, char __user *buf, size_t count, + loff_t *f_pos); +ssize_t rts51x_write(struct file *filp, const char __user * buf, size_t count, + loff_t *f_pos); +#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36) */ +int rts51x_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg); +#else +long rts51x_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); +#endif + +#endif + +#endif /* __RTS51X_FOP_H */ diff --git a/drivers/staging/rts5139/rts51x_scsi.c b/drivers/staging/rts5139/rts51x_scsi.c new file mode 100644 index 0000000..f604493 --- /dev/null +++ b/drivers/staging/rts5139/rts51x_scsi.c @@ -0,0 +1,2233 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#include <linux/blkdev.h> +#include <linux/kthread.h> +#include <linux/sched.h> +#include <linux/slab.h> + +#include <scsi/scsi.h> +#include <scsi/scsi_eh.h> +#include <scsi/scsi_device.h> + +#include "debug.h" +#include "rts51x.h" +#include "rts51x_chip.h" +#include "rts51x_scsi.h" +#include "rts51x_card.h" +#include "rts51x_transport.h" +#include "rts51x_sys.h" +#include "sd_cprm.h" +#include "ms_mg.h" +#include "trace.h" + +void scsi_show_command(struct scsi_cmnd *srb) +{ + char *what = NULL; + int i, unknown_cmd = 0; + + switch (srb->cmnd[0]) { + case TEST_UNIT_READY: + what = (char *)"TEST_UNIT_READY"; + break; + case REZERO_UNIT: + what = (char *)"REZERO_UNIT"; + break; + case REQUEST_SENSE: + what = (char *)"REQUEST_SENSE"; + break; + case FORMAT_UNIT: + what = (char *)"FORMAT_UNIT"; + break; + case READ_BLOCK_LIMITS: + what = (char *)"READ_BLOCK_LIMITS"; + break; + case 0x07: + what = (char *)"REASSIGN_BLOCKS"; + break; + case READ_6: + what = (char *)"READ_6"; + break; + case WRITE_6: + what = (char *)"WRITE_6"; + break; + case SEEK_6: + what = (char *)"SEEK_6"; + break; + case READ_REVERSE: + what = (char *)"READ_REVERSE"; + break; + case WRITE_FILEMARKS: + what = (char *)"WRITE_FILEMARKS"; + break; + case SPACE: + what = (char *)"SPACE"; + break; + case INQUIRY: + what = (char *)"INQUIRY"; + break; + case RECOVER_BUFFERED_DATA: + what = (char *)"RECOVER_BUFFERED_DATA"; + break; + case MODE_SELECT: + what = (char *)"MODE_SELECT"; + break; + case RESERVE: + what = (char *)"RESERVE"; + break; + case RELEASE: + what = (char *)"RELEASE"; + break; + case COPY: + what = (char *)"COPY"; + break; + case ERASE: + what = (char *)"ERASE"; + break; + case MODE_SENSE: + what = (char *)"MODE_SENSE"; + break; + case START_STOP: + what = (char *)"START_STOP"; + break; + case RECEIVE_DIAGNOSTIC: + what = (char *)"RECEIVE_DIAGNOSTIC"; + break; + case SEND_DIAGNOSTIC: + what = (char *)"SEND_DIAGNOSTIC"; + break; + case ALLOW_MEDIUM_REMOVAL: + what = (char *)"ALLOW_MEDIUM_REMOVAL"; + break; + case SET_WINDOW: + what = (char *)"SET_WINDOW"; + break; + case READ_CAPACITY: + what = (char *)"READ_CAPACITY"; + break; + case READ_10: + what = (char *)"READ_10"; + break; + case WRITE_10: + what = (char *)"WRITE_10"; + break; + case SEEK_10: + what = (char *)"SEEK_10"; + break; + case WRITE_VERIFY: + what = (char *)"WRITE_VERIFY"; + break; + case VERIFY: + what = (char *)"VERIFY"; + break; + case SEARCH_HIGH: + what = (char *)"SEARCH_HIGH"; + break; + case SEARCH_EQUAL: + what = (char *)"SEARCH_EQUAL"; + break; + case SEARCH_LOW: + what = (char *)"SEARCH_LOW"; + break; + case SET_LIMITS: + what = (char *)"SET_LIMITS"; + break; + case READ_POSITION: + what = (char *)"READ_POSITION"; + break; + case SYNCHRONIZE_CACHE: + what = (char *)"SYNCHRONIZE_CACHE"; + break; + case LOCK_UNLOCK_CACHE: + what = (char *)"LOCK_UNLOCK_CACHE"; + break; + case READ_DEFECT_DATA: + what = (char *)"READ_DEFECT_DATA"; + break; + case MEDIUM_SCAN: + what = (char *)"MEDIUM_SCAN"; + break; + case COMPARE: + what = (char *)"COMPARE"; + break; + case COPY_VERIFY: + what = (char *)"COPY_VERIFY"; + break; + case WRITE_BUFFER: + what = (char *)"WRITE_BUFFER"; + break; + case READ_BUFFER: + what = (char *)"READ_BUFFER"; + break; + case UPDATE_BLOCK: + what = (char *)"UPDATE_BLOCK"; + break; + case READ_LONG: + what = (char *)"READ_LONG"; + break; + case WRITE_LONG: + what = (char *)"WRITE_LONG"; + break; + case CHANGE_DEFINITION: + what = (char *)"CHANGE_DEFINITION"; + break; + case WRITE_SAME: + what = (char *)"WRITE_SAME"; + break; + case GPCMD_READ_SUBCHANNEL: + what = (char *)"READ SUBCHANNEL"; + break; + case READ_TOC: + what = (char *)"READ_TOC"; + break; + case GPCMD_READ_HEADER: + what = (char *)"READ HEADER"; + break; + case GPCMD_PLAY_AUDIO_10: + what = (char *)"PLAY AUDIO (10)"; + break; + case GPCMD_PLAY_AUDIO_MSF: + what = (char *)"PLAY AUDIO MSF"; + break; + case GPCMD_GET_EVENT_STATUS_NOTIFICATION: + what = (char *)"GET EVENT/STATUS NOTIFICATION"; + break; + case GPCMD_PAUSE_RESUME: + what = (char *)"PAUSE/RESUME"; + break; + case LOG_SELECT: + what = (char *)"LOG_SELECT"; + break; + case LOG_SENSE: + what = (char *)"LOG_SENSE"; + break; + case GPCMD_STOP_PLAY_SCAN: + what = (char *)"STOP PLAY/SCAN"; + break; + case GPCMD_READ_DISC_INFO: + what = (char *)"READ DISC INFORMATION"; + break; + case GPCMD_READ_TRACK_RZONE_INFO: + what = (char *)"READ TRACK INFORMATION"; + break; + case GPCMD_RESERVE_RZONE_TRACK: + what = (char *)"RESERVE TRACK"; + break; + case GPCMD_SEND_OPC: + what = (char *)"SEND OPC"; + break; + case MODE_SELECT_10: + what = (char *)"MODE_SELECT_10"; + break; + case GPCMD_REPAIR_RZONE_TRACK: + what = (char *)"REPAIR TRACK"; + break; + case 0x59: + what = (char *)"READ MASTER CUE"; + break; + case MODE_SENSE_10: + what = (char *)"MODE_SENSE_10"; + break; + case GPCMD_CLOSE_TRACK: + what = (char *)"CLOSE TRACK/SESSION"; + break; + case 0x5C: + what = (char *)"READ BUFFER CAPACITY"; + break; + case 0x5D: + what = (char *)"SEND CUE SHEET"; + break; + case GPCMD_BLANK: + what = (char *)"BLANK"; + break; + case REPORT_LUNS: + what = (char *)"REPORT LUNS"; + break; + case MOVE_MEDIUM: + what = (char *)"MOVE_MEDIUM or PLAY AUDIO (12)"; + break; + case READ_12: + what = (char *)"READ_12"; + break; + case WRITE_12: + what = (char *)"WRITE_12"; + break; + case WRITE_VERIFY_12: + what = (char *)"WRITE_VERIFY_12"; + break; + case SEARCH_HIGH_12: + what = (char *)"SEARCH_HIGH_12"; + break; + case SEARCH_EQUAL_12: + what = (char *)"SEARCH_EQUAL_12"; + break; + case SEARCH_LOW_12: + what = (char *)"SEARCH_LOW_12"; + break; + case SEND_VOLUME_TAG: + what = (char *)"SEND_VOLUME_TAG"; + break; + case READ_ELEMENT_STATUS: + what = (char *)"READ_ELEMENT_STATUS"; + break; + case GPCMD_READ_CD_MSF: + what = (char *)"READ CD MSF"; + break; + case GPCMD_SCAN: + what = (char *)"SCAN"; + break; + case GPCMD_SET_SPEED: + what = (char *)"SET CD SPEED"; + break; + case GPCMD_MECHANISM_STATUS: + what = (char *)"MECHANISM STATUS"; + break; + case GPCMD_READ_CD: + what = (char *)"READ CD"; + break; + case 0xE1: + what = (char *)"WRITE CONTINUE"; + break; + case WRITE_LONG_2: + what = (char *)"WRITE_LONG_2"; + break; + case VENDOR_CMND: + what = (char *)"Realtek's vendor command"; + break; + default: + what = (char *)"(unknown command)"; + unknown_cmd = 1; + break; + } + + if (srb->cmnd[0] != TEST_UNIT_READY) + RTS51X_DEBUGP("Command %s (%d bytes)\n", what, srb->cmd_len); + if (unknown_cmd) { + RTS51X_DEBUGP(""); + for (i = 0; i < srb->cmd_len && i < 16; i++) + RTS51X_DEBUGPN(" %02x", srb->cmnd[i]); + RTS51X_DEBUGPN("\n"); + } +} + +void set_sense_type(struct rts51x_chip *chip, unsigned int lun, int sense_type) +{ + switch (sense_type) { + case SENSE_TYPE_MEDIA_CHANGE: + set_sense_data(chip, lun, CUR_ERR, 0x06, 0, 0x28, 0, 0, 0); + break; + + case SENSE_TYPE_MEDIA_NOT_PRESENT: + set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x3A, 0, 0, 0); + break; + + case SENSE_TYPE_MEDIA_LBA_OVER_RANGE: + set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x21, 0, 0, 0); + break; + + case SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT: + set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x25, 0, 0, 0); + break; + + case SENSE_TYPE_MEDIA_WRITE_PROTECT: + set_sense_data(chip, lun, CUR_ERR, 0x07, 0, 0x27, 0, 0, 0); + break; + + case SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR: + set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x11, 0, 0, 0); + break; + + case SENSE_TYPE_MEDIA_WRITE_ERR: + set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x0C, 0x02, 0, 0); + break; + + case SENSE_TYPE_MEDIA_INVALID_CMD_FIELD: + set_sense_data(chip, lun, CUR_ERR, ILGAL_REQ, 0, + ASC_INVLD_CDB, ASCQ_INVLD_CDB, CDB_ILLEGAL, 1); + break; + + case SENSE_TYPE_FORMAT_IN_PROGRESS: + set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04, 0, 0); + break; + + case SENSE_TYPE_FORMAT_CMD_FAILED: + set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x31, 0x01, 0, 0); + break; + +#ifdef SUPPORT_MAGIC_GATE + case SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB: + set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x6F, 0x02, 0, 0); + break; + + case SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN: + set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x6F, 0x00, 0, 0); + break; + + case SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM: + set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x30, 0x00, 0, 0); + break; + + case SENSE_TYPE_MG_WRITE_ERR: + set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x0C, 0x00, 0, 0); + break; +#endif + +#ifdef SUPPORT_SD_LOCK + case SENSE_TYPE_MEDIA_READ_FORBIDDEN: + set_sense_data(chip, lun, CUR_ERR, 0x07, 0, 0x11, 0x13, 0, 0); + break; +#endif + + case SENSE_TYPE_NO_SENSE: + default: + set_sense_data(chip, lun, CUR_ERR, 0, 0, 0, 0, 0, 0); + break; + } +} + +void set_sense_data(struct rts51x_chip *chip, unsigned int lun, u8 err_code, + u8 sense_key, u32 info, u8 asc, u8 ascq, u8 sns_key_info0, + u16 sns_key_info1) +{ + struct sense_data_t *sense = &(chip->sense_buffer[lun]); + + sense->err_code = err_code; + sense->sense_key = sense_key; + sense->info[0] = (u8) (info >> 24); + sense->info[1] = (u8) (info >> 16); + sense->info[2] = (u8) (info >> 8); + sense->info[3] = (u8) info; + + sense->ad_sense_len = sizeof(struct sense_data_t) - 8; + sense->asc = asc; + sense->ascq = ascq; + if (sns_key_info0 != 0) { + sense->sns_key_info[0] = SKSV | sns_key_info0; + sense->sns_key_info[1] = (sns_key_info1 & 0xf0) >> 8; + sense->sns_key_info[2] = sns_key_info1 & 0x0f; + } +} + +static int test_unit_ready(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + + rts51x_init_cards(chip); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + return TRANSPORT_FAILED; + } + + if (!check_lun_mc(chip, lun)) { + set_lun_mc(chip, lun); + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); + return TRANSPORT_FAILED; + } +#ifdef SUPPORT_SD_LOCK + if (get_lun_card(chip, SCSI_LUN(srb)) == SD_CARD) { + struct sd_info *sd_card = &(chip->sd_card); + if (sd_card->sd_lock_notify) { + sd_card->sd_lock_notify = 0; + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); + return TRANSPORT_FAILED; + } else if (sd_card->sd_lock_status & SD_LOCKED) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_READ_FORBIDDEN); + return TRANSPORT_FAILED; + } + } +#endif + + return TRANSPORT_GOOD; +} + +unsigned char formatter_inquiry_str[20] = { + 'M', 'E', 'M', 'O', 'R', 'Y', 'S', 'T', 'I', 'C', 'K', + '-', 'M', 'G', /* Byte[47:49] */ + 0x0B, /* Byte[50]: MG, MS, MSPro, MSXC */ + 0x00, /* Byte[51]: Category Specific Commands */ + 0x00, /* Byte[52]: Access Control and feature */ + 0x20, 0x20, 0x20, /* Byte[53:55] */ +}; + +static int inquiry(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + char *inquiry_default = (char *)"Generic-xD/SD/M.S. 1.00 "; + char *inquiry_string; + unsigned char sendbytes; + unsigned char *buf; + u8 card = get_lun_card(chip, lun); + int pro_formatter_flag = 0; + unsigned char inquiry_buf[] = { + QULIFIRE | DRCT_ACCESS_DEV, + RMB_DISC | 0x0D, + 0x00, + 0x01, + 0x1f, + 0x02, + 0, + REL_ADR | WBUS_32 | WBUS_16 | SYNC | LINKED | CMD_QUE | SFT_RE, + }; + + inquiry_string = inquiry_default; + + buf = vmalloc(scsi_bufflen(srb)); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + if (MS_FORMATTER_ENABLED(chip) && (get_lun2card(chip, lun) & MS_CARD)) { + if (!card || (card == MS_CARD)) + pro_formatter_flag = 1; + } + + if (pro_formatter_flag) { + if (scsi_bufflen(srb) < 56) + sendbytes = (unsigned char)(scsi_bufflen(srb)); + else + sendbytes = 56; + } else { + if (scsi_bufflen(srb) < 36) + sendbytes = (unsigned char)(scsi_bufflen(srb)); + else + sendbytes = 36; + } + + if (sendbytes > 8) { + memcpy(buf, inquiry_buf, 8); + memcpy(buf + 8, inquiry_string, sendbytes - 8); + if (pro_formatter_flag) + buf[4] = 0x33; /* Additional Length */ + } else { + memcpy(buf, inquiry_buf, sendbytes); + } + + if (pro_formatter_flag) { + if (sendbytes > 36) + memcpy(buf + 36, formatter_inquiry_str, sendbytes - 36); + } + + scsi_set_resid(srb, 0); + + rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); + vfree(buf); + + return TRANSPORT_GOOD; +} + +static int start_stop_unit(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + + scsi_set_resid(srb, scsi_bufflen(srb)); + + if (srb->cmnd[1] == 1) + return TRANSPORT_GOOD; + + switch (srb->cmnd[0x4]) { + case STOP_MEDIUM: + /* Media disabled */ + return TRANSPORT_GOOD; + + case UNLOAD_MEDIUM: + /* Media shall be unload */ + if (check_card_ready(chip, lun)) + eject_card(chip, lun); + return TRANSPORT_GOOD; + + case MAKE_MEDIUM_READY: + case LOAD_MEDIUM: + if (check_card_ready(chip, lun)) { + return TRANSPORT_GOOD; + } else { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + break; + } + + TRACE_RET(chip, TRANSPORT_ERROR); +} + +static int allow_medium_removal(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int prevent; + + prevent = srb->cmnd[4] & 0x1; + + scsi_set_resid(srb, 0); + + if (prevent) { + set_sense_type(chip, SCSI_LUN(srb), + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + return TRANSPORT_GOOD; +} + +static void ms_mode_sense(struct rts51x_chip *chip, u8 cmd, + int lun, u8 *buf, int buf_len) +{ + struct ms_info *ms_card = &(chip->ms_card); + int sys_info_offset; + int data_size = buf_len; + int support_format = 0; + int i = 0; + + if (cmd == MODE_SENSE) { + sys_info_offset = 8; + if (data_size > 0x68) + data_size = 0x68; + buf[i++] = 0x67; /* Mode Data Length */ + } else { + sys_info_offset = 12; + if (data_size > 0x6C) + data_size = 0x6C; + buf[i++] = 0x00; /* Mode Data Length (MSB) */ + buf[i++] = 0x6A; /* Mode Data Length (LSB) */ + } + + /* Medium Type Code */ + if (check_card_ready(chip, lun)) { + if (CHK_MSXC(ms_card)) { + support_format = 1; + buf[i++] = 0x40; + } else if (CHK_MSPRO(ms_card)) { + support_format = 1; + buf[i++] = 0x20; + } else { + buf[i++] = 0x10; + } + + /* WP */ + if (check_card_wp(chip, lun)) + buf[i++] = 0x80; + else + buf[i++] = 0x00; + } else { + buf[i++] = 0x00; /* MediaType */ + buf[i++] = 0x00; /* WP */ + } + + buf[i++] = 0x00; /* Reserved */ + + if (cmd == MODE_SENSE_10) { + buf[i++] = 0x00; /* Reserved */ + buf[i++] = 0x00; /* Block descriptor length(MSB) */ + buf[i++] = 0x00; /* Block descriptor length(LSB) */ + + /* The Following Data is the content of "Page 0x20" */ + if (data_size >= 9) + buf[i++] = 0x20; /* Page Code */ + if (data_size >= 10) + buf[i++] = 0x62; /* Page Length */ + if (data_size >= 11) + buf[i++] = 0x00; /* No Access Control */ + if (data_size >= 12) { + if (support_format) + buf[i++] = 0xC0; /* SF, SGM */ + else + buf[i++] = 0x00; + } + } else { + /* The Following Data is the content of "Page 0x20" */ + if (data_size >= 5) + buf[i++] = 0x20; /* Page Code */ + if (data_size >= 6) + buf[i++] = 0x62; /* Page Length */ + if (data_size >= 7) + buf[i++] = 0x00; /* No Access Control */ + if (data_size >= 8) { + if (support_format) + buf[i++] = 0xC0; /* SF, SGM */ + else + buf[i++] = 0x00; + } + } + + if (data_size > sys_info_offset) { + /* 96 Bytes Attribute Data */ + int len = data_size - sys_info_offset; + len = (len < 96) ? len : 96; + + memcpy(buf + sys_info_offset, ms_card->raw_sys_info, len); + } +} + +static int mode_sense(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + unsigned int dataSize; + int status; + int pro_formatter_flag; + unsigned char pageCode, *buf; + u8 card = get_lun_card(chip, lun); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + scsi_set_resid(srb, scsi_bufflen(srb)); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + pro_formatter_flag = 0; + dataSize = 8; + /* In Combo mode, device responses ModeSense command as a MS LUN + * when no card is inserted */ + if ((get_lun2card(chip, lun) & MS_CARD)) { + if (!card || (card == MS_CARD)) { + dataSize = 108; + if (chip->option.mspro_formatter_enable) + pro_formatter_flag = 1; + } + } + + buf = kmalloc(dataSize, GFP_KERNEL); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + pageCode = srb->cmnd[2] & 0x3f; + + if ((pageCode == 0x3F) || (pageCode == 0x1C) || + (pageCode == 0x00) || (pro_formatter_flag && (pageCode == 0x20))) { + if (srb->cmnd[0] == MODE_SENSE) { + if ((pageCode == 0x3F) || (pageCode == 0x20)) { + ms_mode_sense(chip, srb->cmnd[0], lun, buf, + dataSize); + } else { + dataSize = 4; + buf[0] = 0x03; + buf[1] = 0x00; + if (check_card_wp(chip, lun)) + buf[2] = 0x80; + else + buf[3] = 0x00; + } + } else { + if ((pageCode == 0x3F) || (pageCode == 0x20)) { + ms_mode_sense(chip, srb->cmnd[0], lun, buf, + dataSize); + } else { + dataSize = 8; + buf[0] = 0x00; + buf[1] = 0x06; + buf[2] = 0x00; + if (check_card_wp(chip, lun)) + buf[3] = 0x80; + else + buf[3] = 0x00; + buf[4] = 0x00; + buf[5] = 0x00; + buf[6] = 0x00; + buf[7] = 0x00; + } + } + status = TRANSPORT_GOOD; + } else { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + scsi_set_resid(srb, scsi_bufflen(srb)); + status = TRANSPORT_FAILED; + } + + if (status == TRANSPORT_GOOD) { + unsigned int len = min(scsi_bufflen(srb), dataSize); + rts51x_set_xfer_buf(buf, len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - len); + } + kfree(buf); + + return status; +} + +static int request_sense(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct sense_data_t *sense; + unsigned int lun = SCSI_LUN(srb); + struct ms_info *ms_card = &(chip->ms_card); + unsigned char *tmp, *buf; + + sense = &(chip->sense_buffer[lun]); + + if ((get_lun_card(chip, lun) == MS_CARD) + && PRO_UNDER_FORMATTING(ms_card)) { + mspro_format_sense(chip, lun); + } + + buf = vmalloc(scsi_bufflen(srb)); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + tmp = (unsigned char *)sense; + memcpy(buf, tmp, scsi_bufflen(srb)); + + rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); + vfree(buf); + + scsi_set_resid(srb, 0); + /* Reset Sense Data */ + set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); + return TRANSPORT_GOOD; +} + +static int read_write(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ +#ifdef SUPPORT_SD_LOCK + struct sd_info *sd_card = &(chip->sd_card); +#endif + unsigned int lun = SCSI_LUN(srb); + int retval; + u32 start_sec; + u16 sec_cnt; + + if (!check_card_ready(chip, lun) || (chip->capacity[lun] == 0)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (!check_lun_mc(chip, lun)) { + set_lun_mc(chip, lun); + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); + return TRANSPORT_FAILED; + } + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + +#ifdef SUPPORT_SD_LOCK + if (sd_card->sd_erase_status) { + /* Accessing to any card is forbidden + * until the erase procedure of SD is completed */ + RTS51X_DEBUGP("SD card being erased!\n"); + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_READ_FORBIDDEN); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (get_lun_card(chip, lun) == SD_CARD) { + if (sd_card->sd_lock_status & SD_LOCKED) { + RTS51X_DEBUGP("SD card locked!\n"); + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_READ_FORBIDDEN); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } +#endif + + if ((srb->cmnd[0] == READ_10) || (srb->cmnd[0] == WRITE_10)) { + start_sec = + ((u32) srb->cmnd[2] << 24) | + ((u32) srb->cmnd[3] << 16) | + ((u32) srb->cmnd[4] << 8) | + ((u32) srb->cmnd[5]); + sec_cnt = ((u16) (srb->cmnd[7]) << 8) | srb->cmnd[8]; + } else if ((srb->cmnd[0] == READ_6) || (srb->cmnd[0] == WRITE_6)) { + start_sec = ((u32) (srb->cmnd[1] & 0x1F) << 16) | + ((u32) srb->cmnd[2] << 8) | ((u32) srb->cmnd[3]); + sec_cnt = srb->cmnd[4]; + } else if ((srb->cmnd[0] == VENDOR_CMND) && + (srb->cmnd[1] == SCSI_APP_CMD) && + ((srb->cmnd[2] == PP_READ10) || + (srb->cmnd[2] == PP_WRITE10))) { + start_sec = ((u32) srb->cmnd[4] << 24) | + ((u32) srb->cmnd[5] << 16) | + ((u32) srb->cmnd[6] << 8) | + ((u32) srb->cmnd[7]); + sec_cnt = ((u16) (srb->cmnd[9]) << 8) | srb->cmnd[10]; + } else { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if ((start_sec > chip->capacity[lun]) || + ((start_sec + sec_cnt) > chip->capacity[lun])) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LBA_OVER_RANGE); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (sec_cnt == 0) { + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; + } + + if ((srb->sc_data_direction == DMA_TO_DEVICE) + && check_card_wp(chip, lun)) { + RTS51X_DEBUGP("Write protected card!\n"); + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + retval = card_rw(srb, chip, start_sec, sec_cnt); + if (retval != STATUS_SUCCESS) { +#if 0 + if (chip->need_release & chip->lun2card[lun]) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + } else { +#endif + if (srb->sc_data_direction == DMA_FROM_DEVICE) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + } else { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); + } +#if 0 + } +#endif + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + + return TRANSPORT_GOOD; +} + +static int read_format_capacity(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned char *buf; + unsigned int lun = SCSI_LUN(srb); + unsigned int buf_len; + u8 card = get_lun_card(chip, lun); + int desc_cnt; + int i = 0; + + if (!check_card_ready(chip, lun)) { + if (!chip->option.mspro_formatter_enable) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + + buf_len = (scsi_bufflen(srb) > 12) ? 0x14 : 12; + + buf = kmalloc(buf_len, GFP_KERNEL); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + buf[i++] = 0; + buf[i++] = 0; + buf[i++] = 0; + + /* Capacity List Length */ + if ((buf_len > 12) && chip->option.mspro_formatter_enable && + (chip->lun2card[lun] & MS_CARD) && (!card || (card == MS_CARD))) { + buf[i++] = 0x10; + desc_cnt = 2; + } else { + buf[i++] = 0x08; + desc_cnt = 1; + } + + while (desc_cnt) { + if (check_card_ready(chip, lun)) { + buf[i++] = (unsigned char)((chip->capacity[lun]) >> 24); + buf[i++] = (unsigned char)((chip->capacity[lun]) >> 16); + buf[i++] = (unsigned char)((chip->capacity[lun]) >> 8); + buf[i++] = (unsigned char)(chip->capacity[lun]); + + if (desc_cnt == 2) + /* Byte[8]: Descriptor Type: Formatted medium */ + buf[i++] = 2; + else + buf[i++] = 0; /* Byte[16] */ + } else { + buf[i++] = 0xFF; + buf[i++] = 0xFF; + buf[i++] = 0xFF; + buf[i++] = 0xFF; + + if (desc_cnt == 2) + /* Byte[8]: Descriptor Type: No medium */ + buf[i++] = 3; + else + buf[i++] = 0; /*Byte[16] */ + } + + buf[i++] = 0x00; + buf[i++] = 0x02; + buf[i++] = 0x00; + + desc_cnt--; + } + + buf_len = min(scsi_bufflen(srb), buf_len); + rts51x_set_xfer_buf(buf, buf_len, srb); + kfree(buf); + + scsi_set_resid(srb, scsi_bufflen(srb) - buf_len); + + return TRANSPORT_GOOD; +} + +static int read_capacity(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned char *buf; + unsigned int lun = SCSI_LUN(srb); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (!check_lun_mc(chip, lun)) { + set_lun_mc(chip, lun); + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); + return TRANSPORT_FAILED; + } + + buf = kmalloc(8, GFP_KERNEL); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + buf[0] = (unsigned char)((chip->capacity[lun] - 1) >> 24); + buf[1] = (unsigned char)((chip->capacity[lun] - 1) >> 16); + buf[2] = (unsigned char)((chip->capacity[lun] - 1) >> 8); + buf[3] = (unsigned char)(chip->capacity[lun] - 1); + + buf[4] = 0x00; + buf[5] = 0x00; + buf[6] = 0x02; + buf[7] = 0x00; + + rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); + kfree(buf); + + scsi_set_resid(srb, 0); + + return TRANSPORT_GOOD; +} + +static int get_dev_status(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + unsigned int buf_len; + u8 status[32] = { 0 }; + + rts51x_pp_status(chip, lun, status, 32); + + buf_len = min(scsi_bufflen(srb), (unsigned int)sizeof(status)); + rts51x_set_xfer_buf(status, buf_len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - buf_len); + + return TRANSPORT_GOOD; +} + +static int read_status(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + u8 rts51x_status[16]; + unsigned int buf_len; + unsigned int lun = SCSI_LUN(srb); + + rts51x_read_status(chip, lun, rts51x_status, 16); + + buf_len = min(scsi_bufflen(srb), (unsigned int)sizeof(rts51x_status)); + rts51x_set_xfer_buf(rts51x_status, buf_len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - buf_len); + + return TRANSPORT_GOOD; +} + +static int read_mem(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + unsigned short addr, len, i; + int retval; + u8 *buf; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + addr = ((u16) srb->cmnd[2] << 8) | srb->cmnd[3]; + len = ((u16) srb->cmnd[4] << 8) | srb->cmnd[5]; + + if (addr < 0xe000) { + RTS51X_DEBUGP("filter!addr=0x%x\n", addr); + return TRANSPORT_GOOD; + } + + buf = vmalloc(len); + if (!buf) + TRACE_RET(chip, TRANSPORT_ERROR); + + for (i = 0; i < len; i++) { + retval = rts51x_ep0_read_register(chip, addr + i, buf + i); + if (retval != STATUS_SUCCESS) { + vfree(buf); + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + + len = (unsigned short)min(scsi_bufflen(srb), (unsigned int)len); + rts51x_set_xfer_buf(buf, len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - len); + + vfree(buf); + + return TRANSPORT_GOOD; +} + +static int write_mem(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + unsigned short addr, len, i; + int retval; + u8 *buf; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + addr = ((u16) srb->cmnd[2] << 8) | srb->cmnd[3]; + len = ((u16) srb->cmnd[4] << 8) | srb->cmnd[5]; + + if (addr < 0xe000) { + RTS51X_DEBUGP("filter!addr=0x%x\n", addr); + return TRANSPORT_GOOD; + } + + len = (unsigned short)min(scsi_bufflen(srb), (unsigned int)len); + buf = vmalloc(len); + if (!buf) + TRACE_RET(chip, TRANSPORT_ERROR); + + rts51x_get_xfer_buf(buf, len, srb); + + for (i = 0; i < len; i++) { + retval = + rts51x_ep0_write_register(chip, addr + i, 0xFF, buf[i]); + if (retval != STATUS_SUCCESS) { + vfree(buf); + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + + vfree(buf); + scsi_set_resid(srb, scsi_bufflen(srb) - len); + + return TRANSPORT_GOOD; +} + +static int get_sd_csd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + unsigned int lun = SCSI_LUN(srb); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (get_lun_card(chip, lun) != SD_CARD) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + rts51x_set_xfer_buf(sd_card->raw_csd, scsi_bufflen(srb), srb); + + return TRANSPORT_GOOD; +} + +static int read_phy_register(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int retval; + u8 addr, len, i; + u8 *buf; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + addr = srb->cmnd[5]; + len = srb->cmnd[7]; + + if (len) { + buf = vmalloc(len); + if (!buf) + TRACE_RET(chip, TRANSPORT_ERROR); + + for (i = 0; i < len; i++) { + retval = + rts51x_read_phy_register(chip, addr + i, buf + i); + if (retval != STATUS_SUCCESS) { + vfree(buf); + set_sense_type(chip, SCSI_LUN(srb), + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + + len = min(scsi_bufflen(srb), (unsigned int)len); + rts51x_set_xfer_buf(buf, len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - len); + + vfree(buf); + } + + return TRANSPORT_GOOD; +} + +static int write_phy_register(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int retval; + u8 addr, len, i; + u8 *buf; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + addr = srb->cmnd[5]; + len = srb->cmnd[7]; + + if (len) { + len = min(scsi_bufflen(srb), (unsigned int)len); + + buf = vmalloc(len); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + rts51x_get_xfer_buf(buf, len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - len); + + for (i = 0; i < len; i++) { + retval = + rts51x_write_phy_register(chip, addr + i, buf[i]); + if (retval != STATUS_SUCCESS) { + vfree(buf); + set_sense_type(chip, SCSI_LUN(srb), + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + + vfree(buf); + } + + return TRANSPORT_GOOD; +} + +static int get_card_bus_width(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + u8 card, bus_width; + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + card = get_lun_card(chip, lun); + if ((card == SD_CARD) || (card == MS_CARD)) { + bus_width = chip->card_bus_width[lun]; + } else { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + rts51x_set_xfer_buf(&bus_width, scsi_bufflen(srb), srb); + + return TRANSPORT_GOOD; +} + +#ifdef _MSG_TRACE +static int trace_msg_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned char *buf = NULL; + u8 clear; + unsigned int buf_len; + + buf_len = + 4 + + ((2 + MSG_FUNC_LEN + MSG_FILE_LEN + TIME_VAL_LEN) * TRACE_ITEM_CNT); + + if ((scsi_bufflen(srb) < buf_len) || (scsi_sglist(srb) == NULL)) { + set_sense_type(chip, SCSI_LUN(srb), + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + clear = srb->cmnd[2]; + + buf = vmalloc(scsi_bufflen(srb)); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + rts51x_trace_msg(chip, buf, clear); + + rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); + vfree(buf); + + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; +} +#endif + +static int rw_mem_cmd_buf(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int retval = STATUS_SUCCESS; + unsigned int lun = SCSI_LUN(srb); + u8 cmd_type, mask, value, idx, mode, len; + u16 addr; + u32 timeout; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + switch (srb->cmnd[3]) { + case INIT_BATCHCMD: + rts51x_init_cmd(chip); + break; + + case ADD_BATCHCMD: + cmd_type = srb->cmnd[4]; + if (cmd_type > 2) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + addr = (srb->cmnd[5] << 8) | srb->cmnd[6]; + mask = srb->cmnd[7]; + value = srb->cmnd[8]; + rts51x_add_cmd(chip, cmd_type, addr, mask, value); + break; + + case SEND_BATCHCMD: + mode = srb->cmnd[4]; + len = srb->cmnd[5]; + timeout = + ((u32) srb->cmnd[6] << 24) | ((u32) srb-> + cmnd[7] << 16) | ((u32) srb-> + cmnd[8] << + 8) | ((u32) + srb-> + cmnd + [9]); + retval = rts51x_send_cmd(chip, mode, 1000); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if (mode & STAGE_R) { + retval = rts51x_get_rsp(chip, len, timeout); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + break; + + case GET_BATCHRSP: + idx = srb->cmnd[4]; + value = chip->rsp_buf[idx]; + if (scsi_bufflen(srb) < 1) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + rts51x_set_xfer_buf(&value, 1, srb); + scsi_set_resid(srb, 0); + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + return TRANSPORT_GOOD; +} + +static int suit_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int result; + + switch (srb->cmnd[3]) { + case INIT_BATCHCMD: + case ADD_BATCHCMD: + case SEND_BATCHCMD: + case GET_BATCHRSP: + result = rw_mem_cmd_buf(srb, chip); + break; + default: + result = TRANSPORT_ERROR; + } + + return result; +} + +static int app_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int result; + + switch (srb->cmnd[2]) { + case PP_READ10: + case PP_WRITE10: + result = read_write(srb, chip); + break; + + case SUIT_CMD: + result = suit_cmd(srb, chip); + break; + + case READ_PHY: + result = read_phy_register(srb, chip); + break; + + case WRITE_PHY: + result = write_phy_register(srb, chip); + break; + + case GET_DEV_STATUS: + result = get_dev_status(srb, chip); + break; + + default: + set_sense_type(chip, SCSI_LUN(srb), + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + return result; +} + +static int vendor_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int result = TRANSPORT_GOOD; + + switch (srb->cmnd[1]) { + case READ_STATUS: + result = read_status(srb, chip); + break; + + case READ_MEM: + result = read_mem(srb, chip); + break; + + case WRITE_MEM: + result = write_mem(srb, chip); + break; + + case GET_BUS_WIDTH: + result = get_card_bus_width(srb, chip); + break; + + case GET_SD_CSD: + result = get_sd_csd(srb, chip); + break; + +#ifdef _MSG_TRACE + case TRACE_MSG: + result = trace_msg_cmd(srb, chip); + break; +#endif + + case SCSI_APP_CMD: + result = app_cmd(srb, chip); + break; + + default: + set_sense_type(chip, SCSI_LUN(srb), + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + return result; +} + +static int ms_format_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + unsigned int lun = SCSI_LUN(srb); + int retval, quick_format; + + if (get_lun_card(chip, lun) != MS_CARD) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if ((srb->cmnd[3] != 0x4D) || (srb->cmnd[4] != 0x47) + || (srb->cmnd[5] != 0x66) || (srb->cmnd[6] != 0x6D) + || (srb->cmnd[7] != 0x74)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (srb->cmnd[8] & 0x01) + quick_format = 0; + else + quick_format = 1; + + if (!(chip->card_ready & MS_CARD)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (chip->card_wp & MS_CARD) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (!CHK_MSPRO(ms_card)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + retval = mspro_format(srb, chip, MS_SHORT_DATA_LEN, quick_format); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_FORMAT_CMD_FAILED); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; +} + +#ifdef SUPPORT_PCGL_1P18 +int get_ms_information(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + unsigned int lun = SCSI_LUN(srb); + u8 dev_info_id, data_len; + u8 *buf; + unsigned int buf_len; + int i; + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if ((get_lun_card(chip, lun) != MS_CARD)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if ((srb->cmnd[2] != 0xB0) || (srb->cmnd[4] != 0x4D) || + (srb->cmnd[5] != 0x53) || (srb->cmnd[6] != 0x49) || + (srb->cmnd[7] != 0x44)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + dev_info_id = srb->cmnd[3]; + if ((CHK_MSXC(ms_card) && (dev_info_id == 0x10)) || + (!CHK_MSXC(ms_card) && (dev_info_id == 0x13)) || + !CHK_MSPRO(ms_card)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (dev_info_id == 0x15) + buf_len = data_len = 0x3A; + else + buf_len = data_len = 0x6A; + + buf = kmalloc(buf_len, GFP_KERNEL); + if (!buf) + TRACE_RET(chip, TRANSPORT_ERROR); + + i = 0; + /* GET Memory Stick Media Information Response Header */ + buf[i++] = 0x00; /* Data length MSB */ + buf[i++] = data_len; /* Data length LSB */ + /* Device Information Type Code */ + if (CHK_MSXC(ms_card)) + buf[i++] = 0x03; + else + buf[i++] = 0x02; + /* SGM bit */ + buf[i++] = 0x01; + /* Reserved */ + buf[i++] = 0x00; + buf[i++] = 0x00; + buf[i++] = 0x00; + /* Number of Device Information */ + buf[i++] = 0x01; + + /* Device Information Body + * Device Information ID Number */ + buf[i++] = dev_info_id; + /* Device Information Length */ + if (dev_info_id == 0x15) + data_len = 0x31; + else + data_len = 0x61; + buf[i++] = 0x00; /* Data length MSB */ + buf[i++] = data_len; /* Data length LSB */ + /* Valid Bit */ + buf[i++] = 0x80; + if ((dev_info_id == 0x10) || (dev_info_id == 0x13)) { + /* System Information */ + memcpy(buf + i, ms_card->raw_sys_info, 96); + } else { + /* Model Name */ + memcpy(buf + i, ms_card->raw_model_name, 48); + } + + rts51x_set_xfer_buf(buf, buf_len, srb); + + if (dev_info_id == 0x15) + scsi_set_resid(srb, scsi_bufflen(srb) - 0x3C); + else + scsi_set_resid(srb, scsi_bufflen(srb) - 0x6C); + + kfree(buf); + return STATUS_SUCCESS; +} +#endif + +static int ms_sp_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int retval = TRANSPORT_ERROR; + + if (srb->cmnd[2] == MS_FORMAT) + retval = ms_format_cmnd(srb, chip); +#ifdef SUPPORT_PCGL_1P18 + else if (srb->cmnd[2] == GET_MS_INFORMATION) + retval = get_ms_information(srb, chip); +#endif + + return retval; +} + +#ifdef SUPPORT_CPRM +static int sd_extention_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + int result; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + sd_cleanup_work(chip); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if ((get_lun_card(chip, lun) != SD_CARD)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + switch (srb->cmnd[0]) { + case SD_PASS_THRU_MODE: + result = sd_pass_thru_mode(srb, chip); + break; + + case SD_EXECUTE_NO_DATA: + result = sd_execute_no_data(srb, chip); + break; + + case SD_EXECUTE_READ: + result = sd_execute_read_data(srb, chip); + break; + + case SD_EXECUTE_WRITE: + result = sd_execute_write_data(srb, chip); + break; + + case SD_GET_RSP: + result = sd_get_cmd_rsp(srb, chip); + break; + + case SD_HW_RST: + result = sd_hw_rst(srb, chip); + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + return result; +} +#endif + +#ifdef SUPPORT_MAGIC_GATE +int mg_report_key(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + unsigned int lun = SCSI_LUN(srb); + int retval; + u8 key_format; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + ms_cleanup_work(chip); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if ((get_lun_card(chip, lun) != MS_CARD)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (srb->cmnd[7] != KC_MG_R_PRO) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (!CHK_MSPRO(ms_card)) { + set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + key_format = srb->cmnd[10] & 0x3F; + + switch (key_format) { + case KF_GET_LOC_EKB: + if ((scsi_bufflen(srb) == 0x41C) && + (srb->cmnd[8] == 0x04) && (srb->cmnd[9] == 0x1C)) { + retval = mg_get_local_EKB(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + case KF_RSP_CHG: + if ((scsi_bufflen(srb) == 0x24) && + (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x24)) { + retval = mg_get_rsp_chg(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + case KF_GET_ICV: + ms_card->mg_entry_num = srb->cmnd[5]; + if ((scsi_bufflen(srb) == 0x404) && + (srb->cmnd[8] == 0x04) && + (srb->cmnd[9] == 0x04) && + (srb->cmnd[2] == 0x00) && + (srb->cmnd[3] == 0x00) && + (srb->cmnd[4] == 0x00) && (srb->cmnd[5] < 32)) { + retval = mg_get_ICV(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; +} + +int mg_send_key(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + unsigned int lun = SCSI_LUN(srb); + int retval; + u8 key_format; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + ms_cleanup_work(chip); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if (check_card_wp(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if ((get_lun_card(chip, lun) != MS_CARD)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (srb->cmnd[7] != KC_MG_R_PRO) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (!CHK_MSPRO(ms_card)) { + set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + key_format = srb->cmnd[10] & 0x3F; + + switch (key_format) { + case KF_SET_LEAF_ID: + if ((scsi_bufflen(srb) == 0x0C) && + (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) { + retval = mg_set_leaf_id(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + case KF_CHG_HOST: + if ((scsi_bufflen(srb) == 0x0C) && + (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) { + retval = mg_chg(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + case KF_RSP_HOST: + if ((scsi_bufflen(srb) == 0x0C) && + (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) { + retval = mg_rsp(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + case KF_SET_ICV: + ms_card->mg_entry_num = srb->cmnd[5]; + if ((scsi_bufflen(srb) == 0x404) && + (srb->cmnd[8] == 0x04) && + (srb->cmnd[9] == 0x04) && + (srb->cmnd[2] == 0x00) && + (srb->cmnd[3] == 0x00) && + (srb->cmnd[4] == 0x00) && (srb->cmnd[5] < 32)) { + retval = mg_set_ICV(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; +} +#endif + +int rts51x_scsi_handler(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ +#ifdef SUPPORT_SD_LOCK + struct sd_info *sd_card = &(chip->sd_card); +#endif + struct ms_info *ms_card = &(chip->ms_card); + unsigned int lun = SCSI_LUN(srb); + int result = TRANSPORT_GOOD; + +#ifdef SUPPORT_SD_LOCK + if (sd_card->sd_erase_status) { + /* Block all SCSI command except for REQUEST_SENSE + * and rs_ppstatus */ + if (! + ((srb->cmnd[0] == VENDOR_CMND) + && (srb->cmnd[1] == SCSI_APP_CMD) + && (srb->cmnd[2] == GET_DEV_STATUS)) + && (srb->cmnd[0] != REQUEST_SENSE)) { + /* Logical Unit Not Ready Format in Progress */ + set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04, + 0, 0); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } +#endif + + if ((get_lun_card(chip, lun) == MS_CARD) && + (ms_card->format_status == FORMAT_IN_PROGRESS)) { + if ((srb->cmnd[0] != REQUEST_SENSE) + && (srb->cmnd[0] != INQUIRY)) { + /* Logical Unit Not Ready Format in Progress */ + set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04, + 0, (u16) (ms_card->progress)); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + + switch (srb->cmnd[0]) { + case READ_10: + case WRITE_10: + case READ_6: + case WRITE_6: + result = read_write(srb, chip); + break; + + case TEST_UNIT_READY: + result = test_unit_ready(srb, chip); + break; + + case INQUIRY: + result = inquiry(srb, chip); + break; + + case READ_CAPACITY: + result = read_capacity(srb, chip); + break; + + case START_STOP: + result = start_stop_unit(srb, chip); + break; + + case ALLOW_MEDIUM_REMOVAL: + result = allow_medium_removal(srb, chip); + break; + + case REQUEST_SENSE: + result = request_sense(srb, chip); + break; + + case MODE_SENSE: + case MODE_SENSE_10: + result = mode_sense(srb, chip); + break; + + case 0x23: + result = read_format_capacity(srb, chip); + break; + + case VENDOR_CMND: + result = vendor_cmnd(srb, chip); + break; + + case MS_SP_CMND: + result = ms_sp_cmnd(srb, chip); + break; + +#ifdef SUPPORT_CPRM + case SD_PASS_THRU_MODE: + case SD_EXECUTE_NO_DATA: + case SD_EXECUTE_READ: + case SD_EXECUTE_WRITE: + case SD_GET_RSP: + case SD_HW_RST: + result = sd_extention_cmnd(srb, chip); + break; +#endif + +#ifdef SUPPORT_MAGIC_GATE + case CMD_MSPRO_MG_RKEY: + result = mg_report_key(srb, chip); + break; + + case CMD_MSPRO_MG_SKEY: + result = mg_send_key(srb, chip); + break; +#endif + + case FORMAT_UNIT: + case MODE_SELECT: + case VERIFY: + result = TRANSPORT_GOOD; + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + result = TRANSPORT_FAILED; + } + + return result; +} + +/*********************************************************************** + * Host functions + ***********************************************************************/ + +const char *host_info(struct Scsi_Host *host) +{ + return "SCSI emulation for RTS51xx USB driver-based card reader"; +} + +int slave_alloc(struct scsi_device *sdev) +{ + /* + * Set the INQUIRY transfer length to 36. We don't use any of + * the extra data and many devices choke if asked for more or + * less than 36 bytes. + */ + sdev->inquiry_len = 36; + return 0; +} + +int slave_configure(struct scsi_device *sdev) +{ + /* Scatter-gather buffers (all but the last) must have a length + * divisible by the bulk maxpacket size. Otherwise a data packet + * would end up being short, causing a premature end to the data + * transfer. Since high-speed bulk pipes have a maxpacket size + * of 512, we'll use that as the scsi device queue's DMA alignment + * mask. Guaranteeing proper alignment of the first buffer will + * have the desired effect because, except at the beginning and + * the end, scatter-gather buffers follow page boundaries. */ + blk_queue_dma_alignment(sdev->request_queue, (512 - 1)); + + /* Set the SCSI level to at least 2. We'll leave it at 3 if that's + * what is originally reported. We need this to avoid confusing + * the SCSI layer with devices that report 0 or 1, but need 10-byte + * commands (ala ATAPI devices behind certain bridges, or devices + * which simply have broken INQUIRY data). + * + * NOTE: This means /dev/sg programs (ala cdrecord) will get the + * actual information. This seems to be the preference for + * programs like that. + * + * NOTE: This also means that /proc/scsi/scsi and sysfs may report + * the actual value or the modified one, depending on where the + * data comes from. + */ + if (sdev->scsi_level < SCSI_2) + sdev->scsi_level = sdev->sdev_target->scsi_level = SCSI_2; + + return 0; +} + +/*********************************************************************** + * /proc/scsi/ functions + ***********************************************************************/ + +/* we use this macro to help us write into the buffer */ +#undef SPRINTF +#define SPRINTF(args...) \ + do { if (pos < buffer+length) pos += sprintf(pos, ## args); } while (0) + +int proc_info(struct Scsi_Host *host, char *buffer, + char **start, off_t offset, int length, int inout) +{ + char *pos = buffer; + + /* if someone is sending us data, just throw it away */ + if (inout) + return length; + + /* print the controller name */ + SPRINTF(" Host scsi%d: %s\n", host->host_no, RTS51X_NAME); + + /* print product, vendor, and driver version strings */ + SPRINTF(" Vendor: Realtek Corp.\n"); + SPRINTF(" Product: RTS51xx USB Card Reader\n"); + SPRINTF(" Version: %s\n", DRIVER_VERSION); + SPRINTF(" Build: %s\n", __TIME__); + + /* + * Calculate start of next buffer, and return value. + */ + *start = buffer + offset; + + if ((pos - buffer) < offset) + return 0; + else if ((pos - buffer - offset) < length) + return pos - buffer - offset; + else + return length; +} + +/* queue a command */ +/* This is always called with scsi_lock(host) held */ +int queuecommand_lck(struct scsi_cmnd *srb, void (*done) (struct scsi_cmnd *)) +{ + struct rts51x_chip *chip = host_to_rts51x(srb->device->host); + + /* check for state-transition errors */ + if (chip->srb != NULL) { + RTS51X_DEBUGP("Error in %s: chip->srb = %p\n", + __func__, chip->srb); + return SCSI_MLQUEUE_HOST_BUSY; + } + + /* fail the command if we are disconnecting */ + if (test_bit(FLIDX_DISCONNECTING, &chip->usb->dflags)) { + RTS51X_DEBUGP("Fail command during disconnect\n"); + srb->result = DID_NO_CONNECT << 16; + done(srb); + return 0; + } + + /* enqueue the command and wake up the control thread */ + srb->scsi_done = done; + chip->srb = srb; + complete(&chip->usb->cmnd_ready); + + return 0; +} + +#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 37) */ +int queuecommand(struct scsi_cmnd *srb, void (*done) (struct scsi_cmnd *)) +{ + return queuecommand_lck(srb, done); +} +#else +DEF_SCSI_QCMD(queuecommand) +#endif +/*********************************************************************** + * Error handling functions + ***********************************************************************/ +/* Command timeout and abort */ +int command_abort(struct scsi_cmnd *srb) +{ + struct rts51x_chip *chip = host_to_rts51x(srb->device->host); + + RTS51X_DEBUGP("%s called\n", __func__); + + /* us->srb together with the TIMED_OUT, RESETTING, and ABORTING + * bits are protected by the host lock. */ + scsi_lock(rts51x_to_host(chip)); + + /* Is this command still active? */ + if (chip->srb != srb) { + scsi_unlock(rts51x_to_host(chip)); + RTS51X_DEBUGP("-- nothing to abort\n"); + return FAILED; + } + + /* Set the TIMED_OUT bit. Also set the ABORTING bit, but only if + * a device reset isn't already in progress (to avoid interfering + * with the reset). Note that we must retain the host lock while + * calling usb_stor_stop_transport(); otherwise it might interfere + * with an auto-reset that begins as soon as we release the lock. */ + set_bit(FLIDX_TIMED_OUT, &chip->usb->dflags); + if (!test_bit(FLIDX_RESETTING, &chip->usb->dflags)) { + set_bit(FLIDX_ABORTING, &chip->usb->dflags); + /* rts51x_stop_transport(us); */ + } + scsi_unlock(rts51x_to_host(chip)); + + /* Wait for the aborted command to finish */ + wait_for_completion(&chip->usb->notify); + return SUCCESS; +} + +/* This invokes the transport reset mechanism to reset the state of the + * device */ +int device_reset(struct scsi_cmnd *srb) +{ + int result = 0; + + RTS51X_DEBUGP("%s called\n", __func__); + + return result < 0 ? FAILED : SUCCESS; +} + +/* Simulate a SCSI bus reset by resetting the device's USB port. */ +int bus_reset(struct scsi_cmnd *srb) +{ + int result = 0; + + RTS51X_DEBUGP("%s called\n", __func__); + + return result < 0 ? FAILED : SUCCESS; +} + +static const char *rts5139_info(struct Scsi_Host *host) +{ + return "SCSI emulation for RTS5139 USB card reader"; +} + +struct scsi_host_template rts51x_host_template = { + /* basic userland interface stuff */ + .name = RTS51X_NAME, + .proc_name = RTS51X_NAME, + .proc_info = proc_info, + .info = rts5139_info, + + /* command interface -- queued only */ + .queuecommand = queuecommand, + + /* error and abort handlers */ + .eh_abort_handler = command_abort, + .eh_device_reset_handler = device_reset, + .eh_bus_reset_handler = bus_reset, + + /* queue commands only, only one command per LUN */ + .can_queue = 1, + .cmd_per_lun = 1, + + /* unknown initiator id */ + .this_id = -1, + + .slave_alloc = slave_alloc, + .slave_configure = slave_configure, + + /* lots of sg segments can be handled */ + .sg_tablesize = SG_ALL, + + /* limit the total size of a transfer to 120 KB */ + .max_sectors = 240, + + /* merge commands... this seems to help performance, but + * periodically someone should test to see which setting is more + * optimal. + */ + .use_clustering = 1, + + /* emulated HBA */ + .emulated = 1, + + /* we do our own delay after a device or bus reset */ + .skip_settle_delay = 1, + + /* sysfs device attributes */ + /* .sdev_attrs = sysfs_device_attr_list, */ + + /* module management */ + .module = THIS_MODULE +}; + diff --git a/drivers/staging/rts5139/rts51x_scsi.h b/drivers/staging/rts5139/rts51x_scsi.h new file mode 100644 index 0000000..3a8ca06 --- /dev/null +++ b/drivers/staging/rts5139/rts51x_scsi.h @@ -0,0 +1,162 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_SCSI_H +#define __RTS51X_SCSI_H + +#include <linux/usb.h> +#include <linux/usb_usual.h> +#include <linux/blkdev.h> +#include <linux/completion.h> +#include <linux/mutex.h> +#include <scsi/scsi_host.h> + +#include "rts51x_chip.h" + +#define MS_SP_CMND 0xFA +#define MS_FORMAT 0xA0 +#define GET_MS_INFORMATION 0xB0 + +#define VENDOR_CMND 0xF0 + +#define READ_STATUS 0x09 + +#define READ_MEM 0x0D +#define WRITE_MEM 0x0E +#define GET_BUS_WIDTH 0x13 +#define GET_SD_CSD 0x14 +#define TOGGLE_GPIO 0x15 +#define TRACE_MSG 0x18 + +#define SCSI_APP_CMD 0x10 + +#define PP_READ10 0x1A +#define PP_WRITE10 0x0A +#define READ_HOST_REG 0x1D +#define WRITE_HOST_REG 0x0D +#define SET_VAR 0x05 +#define GET_VAR 0x15 +#define DMA_READ 0x16 +#define DMA_WRITE 0x06 +#define GET_DEV_STATUS 0x10 +#define SET_CHIP_MODE 0x27 +#define SUIT_CMD 0xE0 +#define WRITE_PHY 0x07 +#define READ_PHY 0x17 + +#define INIT_BATCHCMD 0x41 +#define ADD_BATCHCMD 0x42 +#define SEND_BATCHCMD 0x43 +#define GET_BATCHRSP 0x44 + +#ifdef SUPPORT_CPRM +/* SD Pass Through Command Extention */ +#define SD_PASS_THRU_MODE 0xD0 +#define SD_EXECUTE_NO_DATA 0xD1 +#define SD_EXECUTE_READ 0xD2 +#define SD_EXECUTE_WRITE 0xD3 +#define SD_GET_RSP 0xD4 +#define SD_HW_RST 0xD6 +#endif + +#ifdef SUPPORT_MAGIC_GATE +#define CMD_MSPRO_MG_RKEY 0xA4 /* Report Key Command */ +#define CMD_MSPRO_MG_SKEY 0xA3 /* Send Key Command */ + +/* CBWCB field: key class */ +#define KC_MG_R_PRO 0xBE /* MG-R PRO */ + +/* CBWCB field: key format */ +#define KF_SET_LEAF_ID 0x31 /* Set Leaf ID */ +#define KF_GET_LOC_EKB 0x32 /* Get Local EKB */ +#define KF_CHG_HOST 0x33 /* Challenge (host) */ +#define KF_RSP_CHG 0x34 /* Response and Challenge (device) */ +#define KF_RSP_HOST 0x35 /* Response (host) */ +#define KF_GET_ICV 0x36 /* Get ICV */ +#define KF_SET_ICV 0x37 /* SSet ICV */ +#endif + +struct rts51x_chip; + +/*----------------------------------- + Start-Stop-Unit +-----------------------------------*/ +#define STOP_MEDIUM 0x00 /* access disable */ +#define MAKE_MEDIUM_READY 0x01 /* access enable */ +#define UNLOAD_MEDIUM 0x02 /* unload */ +#define LOAD_MEDIUM 0x03 /* load */ + +/*----------------------------------- + STANDARD_INQUIRY +-----------------------------------*/ +#define QULIFIRE 0x00 +#define AENC_FNC 0x00 +#define TRML_IOP 0x00 +#define REL_ADR 0x00 +#define WBUS_32 0x00 +#define WBUS_16 0x00 +#define SYNC 0x00 +#define LINKED 0x00 +#define CMD_QUE 0x00 +#define SFT_RE 0x00 + +#define VEN_ID_LEN 8 /* Vendor ID Length */ +#define PRDCT_ID_LEN 16 /* Product ID Length */ +#define PRDCT_REV_LEN 4 /* Product LOT Length */ + +#define DRCT_ACCESS_DEV 0x00 /* Direct Access Device */ +#define RMB_DISC 0x80 /* The Device is Removable */ +#define ANSI_SCSI2 0x02 /* Based on ANSI-SCSI2 */ + +#define SCSI 0x00 /* Interface ID */ + +void scsi_show_command(struct scsi_cmnd *srb); +void set_sense_type(struct rts51x_chip *chip, unsigned int lun, int sense_type); +void set_sense_data(struct rts51x_chip *chip, unsigned int lun, u8 err_code, + u8 sense_key, u32 info, u8 asc, u8 ascq, u8 sns_key_info0, + u16 sns_key_info1); + +int rts51x_scsi_handler(struct scsi_cmnd *srb, struct rts51x_chip *chip); + +struct Scsi_Host; +struct scsi_device; +struct scsi_cmnd; + +const char *host_info(struct Scsi_Host *host); +int slave_alloc(struct scsi_device *sdev); +int slave_configure(struct scsi_device *sdev); +int proc_info(struct Scsi_Host *host, char *buffer, + char **start, off_t offset, int length, int inout); +#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 37) */ +int queuecommand(struct scsi_cmnd *srb, void (*done) (struct scsi_cmnd *)); +#else +int queuecommand(struct Scsi_Host *, struct scsi_cmnd *); +#endif +int command_abort(struct scsi_cmnd *srb); +int device_reset(struct scsi_cmnd *srb); +int bus_reset(struct scsi_cmnd *srb); + +#endif /* __RTS51X_SCSI_H */ diff --git a/drivers/staging/rts5139/rts51x_sys.h b/drivers/staging/rts5139/rts51x_sys.h new file mode 100644 index 0000000..b09cd34 --- /dev/null +++ b/drivers/staging/rts5139/rts51x_sys.h @@ -0,0 +1,54 @@ +/* Driver for Realtek USB RTS51xx card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_SYS_H +#define __RTS51X_SYS_H + +#include "rts51x.h" +#include "rts51x_chip.h" +#include "rts51x_card.h" + +#define USING_POLLING_CYCLE_DELINK + +extern int rts51x_check_start_time(struct rts51x_chip *chip); +extern void rts51x_set_start_time(struct rts51x_chip *chip); +extern void rts51x_clear_start_time(struct rts51x_chip *chip); + +/* typedef dma_addr_t ULONG_PTR; */ + +static inline void rts51x_reset_detected_cards(struct rts51x_chip *chip) +{ +/* rts51x_reset_cards(chip); */ +} + +static inline void clear_first_install_mark(struct rts51x_chip *chip) +{ +} + +void rts51x_enter_ss(struct rts51x_chip *chip); +void rts51x_exit_ss(struct rts51x_chip *chip); + +#endif /* __RTS51X_SYS_H */ diff --git a/drivers/staging/rts5139/rts51x_transport.c b/drivers/staging/rts5139/rts51x_transport.c new file mode 100644 index 0000000..e11467a --- /dev/null +++ b/drivers/staging/rts5139/rts51x_transport.c @@ -0,0 +1,1000 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#include <linux/blkdev.h> +#include <linux/kthread.h> +#include <linux/sched.h> +#include <linux/slab.h> + +#include <scsi/scsi.h> +#include <scsi/scsi_eh.h> +#include <scsi/scsi_device.h> + +#include "debug.h" +#include "rts51x.h" +#include "rts51x_chip.h" +#include "rts51x_card.h" +#include "rts51x_scsi.h" +#include "rts51x_transport.h" +#include "trace.h" + +/*********************************************************************** + * Scatter-gather transfer buffer access routines + ***********************************************************************/ + +/* Copy a buffer of length buflen to/from the srb's transfer buffer. + * Update the **sgptr and *offset variables so that the next copy will + * pick up from where this one left off. + */ + +unsigned int rts51x_access_sglist(unsigned char *buffer, + unsigned int buflen, void *sglist, + void **sgptr, unsigned int *offset, + enum xfer_buf_dir dir) +{ + unsigned int cnt; + struct scatterlist *sg = (struct scatterlist *)*sgptr; + + /* We have to go through the list one entry + * at a time. Each s-g entry contains some number of pages, and + * each page has to be kmap()'ed separately. If the page is already + * in kernel-addressable memory then kmap() will return its address. + * If the page is not directly accessible -- such as a user buffer + * located in high memory -- then kmap() will map it to a temporary + * position in the kernel's virtual address space. + */ + + if (!sg) + sg = (struct scatterlist *)sglist; + + /* This loop handles a single s-g list entry, which may + * include multiple pages. Find the initial page structure + * and the starting offset within the page, and update + * the *offset and **sgptr values for the next loop. + */ + cnt = 0; + while (cnt < buflen && sg) { + struct page *page = sg_page(sg) + + ((sg->offset + *offset) >> PAGE_SHIFT); + unsigned int poff = (sg->offset + *offset) & (PAGE_SIZE - 1); + unsigned int sglen = sg->length - *offset; + + if (sglen > buflen - cnt) { + + /* Transfer ends within this s-g entry */ + sglen = buflen - cnt; + *offset += sglen; + } else { + + /* Transfer continues to next s-g entry */ + *offset = 0; + sg = sg_next(sg); + } + + /* Transfer the data for all the pages in this + * s-g entry. For each page: call kmap(), do the + * transfer, and call kunmap() immediately after. */ + while (sglen > 0) { + unsigned int plen = min(sglen, (unsigned int) + PAGE_SIZE - poff); + unsigned char *ptr = kmap(page); + + if (dir == TO_XFER_BUF) + memcpy(ptr + poff, buffer + cnt, plen); + else + memcpy(buffer + cnt, ptr + poff, plen); + kunmap(page); + + /* Start at the beginning of the next page */ + poff = 0; + ++page; + cnt += plen; + sglen -= plen; + } + } + *sgptr = sg; + + /* Return the amount actually transferred */ + return cnt; +} + +unsigned int rts51x_access_xfer_buf(unsigned char *buffer, + unsigned int buflen, struct scsi_cmnd *srb, + struct scatterlist **sgptr, + unsigned int *offset, enum xfer_buf_dir dir) +{ + return rts51x_access_sglist(buffer, buflen, (void *)scsi_sglist(srb), + (void **)sgptr, offset, dir); +} + +/* Store the contents of buffer into srb's transfer buffer and set the + * SCSI residue. + */ +void rts51x_set_xfer_buf(unsigned char *buffer, + unsigned int buflen, struct scsi_cmnd *srb) +{ + unsigned int offset = 0; + struct scatterlist *sg = NULL; + + buflen = min(buflen, scsi_bufflen(srb)); + buflen = rts51x_access_xfer_buf(buffer, buflen, srb, &sg, &offset, + TO_XFER_BUF); + if (buflen < scsi_bufflen(srb)) + scsi_set_resid(srb, scsi_bufflen(srb) - buflen); +} + +void rts51x_get_xfer_buf(unsigned char *buffer, + unsigned int buflen, struct scsi_cmnd *srb) +{ + unsigned int offset = 0; + struct scatterlist *sg = NULL; + + buflen = min(buflen, scsi_bufflen(srb)); + buflen = rts51x_access_xfer_buf(buffer, buflen, srb, &sg, &offset, + FROM_XFER_BUF); + if (buflen < scsi_bufflen(srb)) + scsi_set_resid(srb, scsi_bufflen(srb) - buflen); +} + +/* This is the completion handler which will wake us up when an URB + * completes. + */ +static void urb_done_completion(struct urb *urb) +{ + struct completion *urb_done_ptr = urb->context; + + if (urb_done_ptr) + complete(urb_done_ptr); +} + +/* This is the common part of the URB message submission code + * + * All URBs from the driver involved in handling a queued scsi + * command _must_ pass through this function (or something like it) for the + * abort mechanisms to work properly. + */ +static int rts51x_msg_common(struct rts51x_chip *chip, struct urb *urb, + int timeout) +{ + struct rts51x_usb *rts51x = chip->usb; + struct completion urb_done; + long timeleft; + int status; + + /* don't submit URBs during abort processing */ + if (test_bit(FLIDX_ABORTING, &rts51x->dflags)) + TRACE_RET(chip, -EIO); + + /* set up data structures for the wakeup system */ + init_completion(&urb_done); + + /* fill the common fields in the URB */ + urb->context = &urb_done; + urb->actual_length = 0; + urb->error_count = 0; + urb->status = 0; + + /* we assume that if transfer_buffer isn't us->iobuf then it + * hasn't been mapped for DMA. Yes, this is clunky, but it's + * easier than always having the caller tell us whether the + * transfer buffer has already been mapped. */ + urb->transfer_flags = URB_NO_SETUP_DMA_MAP; + if (urb->transfer_buffer == rts51x->iobuf) { + urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + urb->transfer_dma = rts51x->iobuf_dma; + } + urb->setup_dma = rts51x->cr_dma; + + /* submit the URB */ + status = usb_submit_urb(urb, GFP_NOIO); + if (status) { + /* something went wrong */ + TRACE_RET(chip, status); + } + + /* since the URB has been submitted successfully, it's now okay + * to cancel it */ + set_bit(FLIDX_URB_ACTIVE, &rts51x->dflags); + + /* did an abort occur during the submission? */ + if (test_bit(FLIDX_ABORTING, &rts51x->dflags)) { + + /* cancel the URB, if it hasn't been cancelled already */ + if (test_and_clear_bit(FLIDX_URB_ACTIVE, &rts51x->dflags)) { + RTS51X_DEBUGP("-- cancelling URB\n"); + usb_unlink_urb(urb); + } + } + + /* wait for the completion of the URB */ + timeleft = + wait_for_completion_interruptible_timeout(&urb_done, + (timeout * HZ / + 1000) ? : + MAX_SCHEDULE_TIMEOUT); + + clear_bit(FLIDX_URB_ACTIVE, &rts51x->dflags); + + if (timeleft <= 0) { + RTS51X_DEBUGP("%s -- cancelling URB\n", + timeleft == 0 ? "Timeout" : "Signal"); + usb_kill_urb(urb); + if (timeleft == 0) + status = -ETIMEDOUT; + else + status = -EINTR; + } else { + status = urb->status; + } + + return status; +} + +/* + * Interpret the results of a URB transfer + */ +static int interpret_urb_result(struct rts51x_chip *chip, unsigned int pipe, + unsigned int length, int result, + unsigned int partial) +{ + int retval = STATUS_SUCCESS; + + /* RTS51X_DEBUGP("Status code %d; transferred %u/%u\n", + result, partial, length); */ + switch (result) { + /* no error code; did we send all the data? */ + case 0: + if (partial != length) { + RTS51X_DEBUGP("-- short transfer\n"); + TRACE_RET(chip, STATUS_TRANS_SHORT); + } + /* RTS51X_DEBUGP("-- transfer complete\n"); */ + return STATUS_SUCCESS; + /* stalled */ + case -EPIPE: + /* for control endpoints, (used by CB[I]) a stall indicates + * a failed command */ + if (usb_pipecontrol(pipe)) { + RTS51X_DEBUGP("-- stall on control pipe\n"); + TRACE_RET(chip, STATUS_STALLED); + } + /* for other sorts of endpoint, clear the stall */ + RTS51X_DEBUGP("clearing endpoint halt for pipe 0x%x\n", pipe); + if (rts51x_clear_halt(chip, pipe) < 0) + TRACE_RET(chip, STATUS_ERROR); + retval = STATUS_STALLED; + TRACE_GOTO(chip, Exit); + + /* babble - the device tried to send more than + * we wanted to read */ + case -EOVERFLOW: + RTS51X_DEBUGP("-- babble\n"); + retval = STATUS_TRANS_LONG; + TRACE_GOTO(chip, Exit); + + /* the transfer was cancelled by abort, + * disconnect, or timeout */ + case -ECONNRESET: + RTS51X_DEBUGP("-- transfer cancelled\n"); + retval = STATUS_ERROR; + TRACE_GOTO(chip, Exit); + + /* short scatter-gather read transfer */ + case -EREMOTEIO: + RTS51X_DEBUGP("-- short read transfer\n"); + retval = STATUS_TRANS_SHORT; + TRACE_GOTO(chip, Exit); + + /* abort or disconnect in progress */ + case -EIO: + RTS51X_DEBUGP("-- abort or disconnect in progress\n"); + retval = STATUS_ERROR; + TRACE_GOTO(chip, Exit); + + case -ETIMEDOUT: + RTS51X_DEBUGP("-- time out\n"); + retval = STATUS_TIMEDOUT; + TRACE_GOTO(chip, Exit); + + /* the catch-all error case */ + default: + RTS51X_DEBUGP("-- unknown error\n"); + retval = STATUS_ERROR; + TRACE_GOTO(chip, Exit); + } + +Exit: + if ((retval != STATUS_SUCCESS) && !usb_pipecontrol(pipe)) + rts51x_clear_hw_error(chip); + + return retval; +} + +int rts51x_ctrl_transfer(struct rts51x_chip *chip, unsigned int pipe, + u8 request, u8 requesttype, u16 value, u16 index, + void *data, u16 size, int timeout) +{ + struct rts51x_usb *rts51x = chip->usb; + int result; + + RTS51X_DEBUGP("%s: rq=%02x rqtype=%02x value=%04x index=%02x len=%u\n", + __func__, request, requesttype, value, index, size); + + /* fill in the devrequest structure */ + rts51x->cr->bRequestType = requesttype; + rts51x->cr->bRequest = request; + rts51x->cr->wValue = cpu_to_le16(value); + rts51x->cr->wIndex = cpu_to_le16(index); + rts51x->cr->wLength = cpu_to_le16(size); + + /* fill and submit the URB */ + usb_fill_control_urb(rts51x->current_urb, rts51x->pusb_dev, pipe, + (unsigned char *)rts51x->cr, data, size, + urb_done_completion, NULL); + result = rts51x_msg_common(chip, rts51x->current_urb, timeout); + + return interpret_urb_result(chip, pipe, size, result, + rts51x->current_urb->actual_length); +} + +int rts51x_clear_halt(struct rts51x_chip *chip, unsigned int pipe) +{ + int result; + int endp = usb_pipeendpoint(pipe); + + if (usb_pipein(pipe)) + endp |= USB_DIR_IN; + + result = rts51x_ctrl_transfer(chip, SND_CTRL_PIPE(chip), + USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, + USB_ENDPOINT_HALT, endp, NULL, 0, 3000); + if (result != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + usb_reset_endpoint(chip->usb->pusb_dev, endp); + + return STATUS_SUCCESS; +} + +int rts51x_reset_pipe(struct rts51x_chip *chip, char pipe) +{ + return rts51x_clear_halt(chip, pipe); +} + +static void rts51x_sg_clean(struct usb_sg_request *io) +{ + if (io->urbs) { + while (io->entries--) + usb_free_urb(io->urbs[io->entries]); + kfree(io->urbs); + io->urbs = NULL; + } +#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35) */ + if (io->dev->dev.dma_mask != NULL) + usb_buffer_unmap_sg(io->dev, usb_pipein(io->pipe), + io->sg, io->nents); +#endif + io->dev = NULL; +} +#if 0 +static void rts51x_sg_complete(struct urb *urb) +{ + struct usb_sg_request *io = urb->context; + int status = urb->status; + + spin_lock(&io->lock); + + /* In 2.5 we require hcds' endpoint queues not to progress after fault + * reports, until the completion callback (this!) returns. That lets + * device driver code (like this routine) unlink queued urbs first, + * if it needs to, since the HC won't work on them at all. So it's + * not possible for page N+1 to overwrite page N, and so on. + * + * That's only for "hard" faults; "soft" faults (unlinks) sometimes + * complete before the HCD can get requests away from hardware, + * though never during cleanup after a hard fault. + */ + if (io->status + && (io->status != -ECONNRESET + || status != -ECONNRESET) + && urb->actual_length) { + dev_err(io->dev->bus->controller, + "dev %s ep%d%s scatterlist error %d/%d\n", + io->dev->devpath, + usb_endpoint_num(&urb->ep->desc), + usb_urb_dir_in(urb) ? "in" : "out", + status, io->status); + /* BUG (); */ + } + + if (io->status == 0 && status && status != -ECONNRESET) { + int i, found, retval; + + io->status = status; + + /* the previous urbs, and this one, completed already. + * unlink pending urbs so they won't rx/tx bad data. + * careful: unlink can sometimes be synchronous... + */ + spin_unlock(&io->lock); + for (i = 0, found = 0; i < io->entries; i++) { + if (!io->urbs[i] || !io->urbs[i]->dev) + continue; + if (found) { + retval = usb_unlink_urb(io->urbs[i]); + if (retval != -EINPROGRESS && + retval != -ENODEV && + retval != -EBUSY) + dev_err(&io->dev->dev, + "%s, unlink --> %d\n", + __func__, retval); + } else if (urb == io->urbs[i]) + found = 1; + } + spin_lock(&io->lock); + } + urb->dev = NULL; + + /* on the last completion, signal usb_sg_wait() */ + io->bytes += urb->actual_length; + io->count--; + if (!io->count) + complete(&io->complete); + + spin_unlock(&io->lock); +} + +/* This function is ported from usb_sg_init, which can transfer + * sg list partially */ +int rts51x_sg_init_partial(struct usb_sg_request *io, struct usb_device *dev, + unsigned pipe, unsigned period, void *buf, struct scatterlist **sgptr, + unsigned int *offset, int nents, size_t length, gfp_t mem_flags) +{ + int i; + int urb_flags; + int dma; + struct scatterlist *sg = *sgptr, *first_sg; + + first_sg = (struct scatterlist *)buf; + if (!sg) + sg = first_sg; + + if (!io || !dev || !sg + || usb_pipecontrol(pipe) + || usb_pipeisoc(pipe) + || (nents <= 0)) + return -EINVAL; + + spin_lock_init(&io->lock); + io->dev = dev; + io->pipe = pipe; + io->sg = first_sg; /* used by unmap */ + io->nents = nents; + + RTS51X_DEBUGP("Before map, sg address: 0x%x\n", (unsigned int)sg); + RTS51X_DEBUGP("Before map, dev address: 0x%x\n", (unsigned int)dev); + + /* not all host controllers use DMA (like the mainstream pci ones); + * they can use PIO (sl811) or be software over another transport. + */ + dma = (dev->dev.dma_mask != NULL); + if (dma) { + /* map the whole sg list, because here we only know the + * total nents */ + io->entries = usb_buffer_map_sg(dev, usb_pipein(pipe), + first_sg, nents); + } else { + io->entries = nents; + } + + /* initialize all the urbs we'll use */ + if (io->entries <= 0) + return io->entries; + + io->urbs = kmalloc(io->entries * sizeof *io->urbs, mem_flags); + if (!io->urbs) + goto nomem; + + urb_flags = URB_NO_INTERRUPT; + if (dma) + urb_flags |= URB_NO_TRANSFER_DMA_MAP; + if (usb_pipein(pipe)) + urb_flags |= URB_SHORT_NOT_OK; + + RTS51X_DEBUGP("io->entries = %d\n", io->entries); + + for (i = 0; (sg != NULL) && (length > 0); i++) { + unsigned len; + + RTS51X_DEBUGP("sg address: 0x%x\n", (unsigned int)sg); + RTS51X_DEBUGP("length = %d, *offset = %d\n", length, *offset); + + io->urbs[i] = usb_alloc_urb(0, mem_flags); + if (!io->urbs[i]) { + io->entries = i; + goto nomem; + } + + io->urbs[i]->dev = NULL; + io->urbs[i]->pipe = pipe; + io->urbs[i]->interval = period; + io->urbs[i]->transfer_flags = urb_flags; + + io->urbs[i]->complete = rts51x_sg_complete; + io->urbs[i]->context = io; + + if (dma) { + io->urbs[i]->transfer_dma = + sg_dma_address(sg) + *offset; + len = sg_dma_len(sg) - *offset; + io->urbs[i]->transfer_buffer = NULL; + RTS51X_DEBUGP(" -- sg entry dma length = %d\n", + sg_dma_len(sg)); + } else { + /* hc may use _only_ transfer_buffer */ + io->urbs[i]->transfer_buffer = sg_virt(sg) + *offset; + len = sg->length - *offset; + RTS51X_DEBUGP(" -- sg entry length = %d\n", + sg->length); + } + + if (length >= len) { + *offset = 0; + io->urbs[i]->transfer_buffer_length = len; + length -= len; + sg = sg_next(sg); + } else { + *offset += length; + io->urbs[i]->transfer_buffer_length = length; + length = 0; + } + if (length == 0) + io->entries = i + 1; +#if 0 + if (length) { + len = min_t(unsigned, len, length); + length -= len; + if (length == 0) { + io->entries = i + 1; + *offset += len; + } else { + *offset = 0; + } + } +#endif + } + RTS51X_DEBUGP("In %s, urb count: %d\n", __func__, i); + io->urbs[--i]->transfer_flags &= ~URB_NO_INTERRUPT; + + RTS51X_DEBUGP("sg address stored in sgptr: 0x%x\n", (unsigned int)sg); + *sgptr = sg; + + /* transaction state */ + io->count = io->entries; + io->status = 0; + io->bytes = 0; + init_completion(&io->complete); + return 0; + +nomem: + rts51x_sg_clean(io); + return -ENOMEM; +} +#endif +int rts51x_sg_init(struct usb_sg_request *io, struct usb_device *dev, + unsigned pipe, unsigned period, struct scatterlist *sg, + int nents, size_t length, gfp_t mem_flags) +{ + return usb_sg_init(io, dev, pipe, period, sg, nents, length, mem_flags); +} + +int rts51x_sg_wait(struct usb_sg_request *io, int timeout) +{ + long timeleft; + int i; + int entries = io->entries; + + /* queue the urbs. */ + spin_lock_irq(&io->lock); + i = 0; + while (i < entries && !io->status) { + int retval; + + io->urbs[i]->dev = io->dev; + retval = usb_submit_urb(io->urbs[i], GFP_ATOMIC); + + /* after we submit, let completions or cancelations fire; + * we handshake using io->status. + */ + spin_unlock_irq(&io->lock); + switch (retval) { + /* maybe we retrying will recover */ + case -ENXIO: /* hc didn't queue this one */ + case -EAGAIN: + case -ENOMEM: + io->urbs[i]->dev = NULL; + retval = 0; + yield(); + break; + + /* no error? continue immediately. + * + * NOTE: to work better with UHCI (4K I/O buffer may + * need 3K of TDs) it may be good to limit how many + * URBs are queued at once; N milliseconds? + */ + case 0: + ++i; + cpu_relax(); + break; + + /* fail any uncompleted urbs */ + default: + io->urbs[i]->dev = NULL; + io->urbs[i]->status = retval; + dev_dbg(&io->dev->dev, "%s, submit --> %d\n", + __func__, retval); + usb_sg_cancel(io); + } + spin_lock_irq(&io->lock); + if (retval && (io->status == 0 || io->status == -ECONNRESET)) + io->status = retval; + } + io->count -= entries - i; + if (io->count == 0) + complete(&io->complete); + spin_unlock_irq(&io->lock); + + timeleft = + wait_for_completion_interruptible_timeout(&io->complete, + (timeout * HZ / + 1000) ? : + MAX_SCHEDULE_TIMEOUT); + if (timeleft <= 0) { + RTS51X_DEBUGP("%s -- cancelling SG request\n", + timeleft == 0 ? "Timeout" : "Signal"); + usb_sg_cancel(io); + if (timeleft == 0) + io->status = -ETIMEDOUT; + else + io->status = -EINTR; + } + + rts51x_sg_clean(io); + return io->status; +} + +/* + * Transfer a scatter-gather list via bulk transfer + * + * This function does basically the same thing as usb_stor_bulk_transfer_buf() + * above, but it uses the usbcore scatter-gather library. + */ +static int rts51x_bulk_transfer_sglist(struct rts51x_chip *chip, + unsigned int pipe, + struct scatterlist *sg, int num_sg, + unsigned int length, + unsigned int *act_len, int timeout) +{ + int result; + + /* don't submit s-g requests during abort processing */ + if (test_bit(FLIDX_ABORTING, &chip->usb->dflags)) + TRACE_RET(chip, STATUS_ERROR); + + /* initialize the scatter-gather request block */ + RTS51X_DEBUGP("%s: xfer %u bytes, %d entries\n", __func__, + length, num_sg); + result = + rts51x_sg_init(&chip->usb->current_sg, chip->usb->pusb_dev, pipe, 0, + sg, num_sg, length, GFP_NOIO); + if (result) { + RTS51X_DEBUGP("rts51x_sg_init returned %d\n", result); + TRACE_RET(chip, STATUS_ERROR); + } + + /* since the block has been initialized successfully, it's now + * okay to cancel it */ + set_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags); + + /* did an abort occur during the submission? */ + if (test_bit(FLIDX_ABORTING, &chip->usb->dflags)) { + + /* cancel the request, if it hasn't been cancelled already */ + if (test_and_clear_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags)) { + RTS51X_DEBUGP("-- cancelling sg request\n"); + usb_sg_cancel(&chip->usb->current_sg); + } + } + + /* wait for the completion of the transfer */ + result = rts51x_sg_wait(&chip->usb->current_sg, timeout); + + clear_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags); + + /* result = us->current_sg.status; */ + if (act_len) + *act_len = chip->usb->current_sg.bytes; + return interpret_urb_result(chip, pipe, length, result, + chip->usb->current_sg.bytes); +} +#if 0 +static int rts51x_bulk_transfer_sglist_partial(struct rts51x_chip *chip, + unsigned int pipe, void *buf, struct scatterlist **sgptr, + unsigned int *offset, int num_sg, unsigned int length, + unsigned int *act_len, int timeout) +{ + int result; + + /* don't submit s-g requests during abort processing */ + if (test_bit(FLIDX_ABORTING, &chip->usb->dflags)) + TRACE_RET(chip, STATUS_ERROR); + + /* initialize the scatter-gather request block */ + RTS51X_DEBUGP("%s: xfer %u bytes, %d entries\n", __func__, + length, num_sg); + result = rts51x_sg_init_partial(&chip->usb->current_sg, + chip->usb->pusb_dev, pipe, 0, buf, sgptr, offset, + num_sg, length, GFP_NOIO); + if (result) { + RTS51X_DEBUGP("rts51x_sg_init_partial returned %d\n", result); + TRACE_RET(chip, STATUS_ERROR); + } + + /* since the block has been initialized successfully, it's now + * okay to cancel it */ + set_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags); + + /* did an abort occur during the submission? */ + if (test_bit(FLIDX_ABORTING, &chip->usb->dflags)) { + + /* cancel the request, if it hasn't been cancelled already */ + if (test_and_clear_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags)) { + RTS51X_DEBUGP("-- cancelling sg request\n"); + usb_sg_cancel(&chip->usb->current_sg); + } + } + + /* wait for the completion of the transfer */ + result = rts51x_sg_wait(&chip->usb->current_sg, timeout); + + clear_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags); + + /* result = us->current_sg.status; */ + if (act_len) + *act_len = chip->usb->current_sg.bytes; + return interpret_urb_result(chip, pipe, length, result, + chip->usb->current_sg.bytes); +} +#endif +int rts51x_bulk_transfer_buf(struct rts51x_chip *chip, unsigned int pipe, + void *buf, unsigned int length, + unsigned int *act_len, int timeout) +{ + int result; + + /* fill and submit the URB */ + usb_fill_bulk_urb(chip->usb->current_urb, chip->usb->pusb_dev, pipe, + buf, length, urb_done_completion, NULL); + result = rts51x_msg_common(chip, chip->usb->current_urb, timeout); + + /* store the actual length of the data transferred */ + if (act_len) + *act_len = chip->usb->current_urb->actual_length; + return interpret_urb_result(chip, pipe, length, result, + chip->usb->current_urb->actual_length); +} + +int rts51x_transfer_data(struct rts51x_chip *chip, unsigned int pipe, + void *buf, unsigned int len, int use_sg, + unsigned int *act_len, int timeout) +{ + int result; + + if (timeout < 600) + timeout = 600; + + if (use_sg) { + result = + rts51x_bulk_transfer_sglist(chip, pipe, + (struct scatterlist *)buf, + use_sg, len, act_len, timeout); + } else { + result = + rts51x_bulk_transfer_buf(chip, pipe, buf, len, act_len, + timeout); + } + + return result; +} + +int rts51x_transfer_data_partial(struct rts51x_chip *chip, unsigned int pipe, + void *buf, void **ptr, unsigned int *offset, + unsigned int len, int use_sg, + unsigned int *act_len, int timeout) +{ + int result; + + if (timeout < 600) + timeout = 600; + + if (use_sg) { + void *tmp_buf = kmalloc(len, GFP_KERNEL); + if (!tmp_buf) + TRACE_RET(chip, STATUS_NOMEM); + + if (usb_pipeout(pipe)) { + rts51x_access_sglist(tmp_buf, len, buf, ptr, offset, + FROM_XFER_BUF); + } + result = + rts51x_bulk_transfer_buf(chip, pipe, tmp_buf, len, act_len, + timeout); + if (result == STATUS_SUCCESS) { + if (usb_pipein(pipe)) { + rts51x_access_sglist(tmp_buf, len, buf, ptr, + offset, TO_XFER_BUF); + } + } + + kfree(tmp_buf); +#if 0 + result = rts51x_bulk_transfer_sglist_partial(chip, pipe, buf, + (struct scatterlist **)ptr, offset, + use_sg, len, act_len, timeout); +#endif + } else { + unsigned int step = 0; + if (offset) + step = *offset; + result = + rts51x_bulk_transfer_buf(chip, pipe, buf + step, len, + act_len, timeout); + if (act_len) + step += *act_len; + else + step += len; + if (offset) + *offset = step; + } + + return result; +} + +int rts51x_get_epc_status(struct rts51x_chip *chip, u16 * status) +{ + unsigned int pipe = RCV_INTR_PIPE(chip); + struct usb_host_endpoint *ep; + struct completion urb_done; + int result; + + if (!status) + TRACE_RET(chip, STATUS_ERROR); + + /* set up data structures for the wakeup system */ + init_completion(&urb_done); + + ep = chip->usb->pusb_dev->ep_in[usb_pipeendpoint(pipe)]; + + /* fill and submit the URB */ + /* We set interval to 1 here, so the polling interval is controlled + * by our polling thread */ + usb_fill_int_urb(chip->usb->intr_urb, chip->usb->pusb_dev, pipe, + status, 2, urb_done_completion, &urb_done, 1); + + result = rts51x_msg_common(chip, chip->usb->intr_urb, 50); + + return interpret_urb_result(chip, pipe, 2, result, + chip->usb->intr_urb->actual_length); +} + +u8 media_not_present[] = { + 0x70, 0, 0x02, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0x3A, 0, 0, 0, 0, 0 }; +u8 invalid_cmd_field[] = { + 0x70, 0, 0x05, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0x24, 0, 0, 0, 0, 0 }; + +void rts51x_invoke_transport(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int result; + +#ifdef CONFIG_PM + if (chip->option.ss_en) { + if (srb->cmnd[0] == TEST_UNIT_READY) { + if (RTS51X_CHK_STAT(chip, STAT_SS)) { + if (check_fake_card_ready(chip, + SCSI_LUN(srb))) { + srb->result = SAM_STAT_GOOD; + } else { + srb->result = SAM_STAT_CHECK_CONDITION; + memcpy(srb->sense_buffer, + media_not_present, SENSE_SIZE); + } + return; + } + } else if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) { + if (RTS51X_CHK_STAT(chip, STAT_SS)) { + int prevent = srb->cmnd[4] & 0x1; + + if (prevent) { + srb->result = SAM_STAT_CHECK_CONDITION; + memcpy(srb->sense_buffer, + invalid_cmd_field, SENSE_SIZE); + } else { + srb->result = SAM_STAT_GOOD; + } + return; + } + } else { + if (RTS51X_CHK_STAT(chip, STAT_SS) + || RTS51X_CHK_STAT(chip, STAT_SS_PRE)) { + /* Wake up device */ + RTS51X_DEBUGP("Try to wake up device\n"); + chip->resume_from_scsi = 1; + + rts51x_try_to_exit_ss(chip); + + if (RTS51X_CHK_STAT(chip, STAT_SS)) { + wait_timeout(3000); + + rts51x_init_chip(chip); + rts51x_init_cards(chip); + } + } + } + } +#endif + + result = rts51x_scsi_handler(srb, chip); + + /* if there is a transport error, reset and don't auto-sense */ + if (result == TRANSPORT_ERROR) { + RTS51X_DEBUGP("-- transport indicates error, resetting\n"); + srb->result = DID_ERROR << 16; + goto Handle_Errors; + } + + srb->result = SAM_STAT_GOOD; + + /* + * If we have a failure, we're going to do a REQUEST_SENSE + * automatically. Note that we differentiate between a command + * "failure" and an "error" in the transport mechanism. + */ + if (result == TRANSPORT_FAILED) { + /* set the result so the higher layers expect this data */ + srb->result = SAM_STAT_CHECK_CONDITION; + memcpy(srb->sense_buffer, + (unsigned char *)&(chip->sense_buffer[SCSI_LUN(srb)]), + sizeof(struct sense_data_t)); + } + + return; + + /* Error and abort processing: try to resynchronize with the device + * by issuing a port reset. If that fails, try a class-specific + * device reset. */ +Handle_Errors: + return; +} diff --git a/drivers/staging/rts5139/rts51x_transport.h b/drivers/staging/rts5139/rts51x_transport.h new file mode 100644 index 0000000..f7aa87f --- /dev/null +++ b/drivers/staging/rts5139/rts51x_transport.h @@ -0,0 +1,80 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_TRANSPORT_H +#define __RTS51X_TRANSPORT_H + +#include <linux/kernel.h> +#include <linux/version.h> + +#include "rts51x.h" +#include "rts51x_chip.h" + +#if 1 /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34) */ +#define URB_NO_SETUP_DMA_MAP 0 +#endif + +unsigned int rts51x_access_sglist(unsigned char *buffer, + unsigned int buflen, void *sglist, + void **sgptr, unsigned int *offset, + enum xfer_buf_dir dir); +unsigned int rts51x_access_xfer_buf(unsigned char *buffer, unsigned int buflen, + struct scsi_cmnd *srb, + struct scatterlist **sgptr, + unsigned int *offset, + enum xfer_buf_dir dir); +void rts51x_set_xfer_buf(unsigned char *buffer, unsigned int buflen, + struct scsi_cmnd *srb); +void rts51x_get_xfer_buf(unsigned char *buffer, unsigned int buflen, + struct scsi_cmnd *srb); + +int rts51x_ctrl_transfer(struct rts51x_chip *chip, unsigned int pipe, + u8 request, u8 requesttype, u16 value, u16 index, + void *data, u16 size, int timeout); +int rts51x_clear_halt(struct rts51x_chip *chip, unsigned int pipe); +int rts51x_transfer_data(struct rts51x_chip *chip, unsigned int pipe, + void *buf, unsigned int len, int use_sg, + unsigned int *act_len, int timeout); +int rts51x_transfer_data_partial(struct rts51x_chip *chip, unsigned int pipe, + void *buf, void **ptr, unsigned int *offset, + unsigned int len, int use_sg, + unsigned int *act_len, int timeout); + +/* whichPipe: + * 0: bulk in pipe + * 1: bulk out pipe + * 2: intr in pipe */ +int rts51x_reset_pipe(struct rts51x_chip *chip, char pipe); + +#ifndef POLLING_IN_THREAD +int rts51x_start_epc_transfer(struct rts51x_chip *chip); +void rts51x_cancel_epc_transfer(struct rts51x_chip *chip); +#endif + +int rts51x_get_epc_status(struct rts51x_chip *chip, u16 * status); +void rts51x_invoke_transport(struct scsi_cmnd *srb, struct rts51x_chip *chip); + +#endif /* __RTS51X_TRANSPORT_H */ diff --git a/drivers/staging/rts5139/sd.c b/drivers/staging/rts5139/sd.c new file mode 100644 index 0000000..d5dd2f9 --- /dev/null +++ b/drivers/staging/rts5139/sd.c @@ -0,0 +1,3400 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#include <linux/blkdev.h> +#include <linux/kthread.h> +#include <linux/sched.h> + +#include "debug.h" +#include "trace.h" +#include "rts51x.h" +#include "rts51x_transport.h" +#include "rts51x_scsi.h" +#include "rts51x_card.h" +#include "sd.h" + +static inline void sd_set_reset_fail(struct rts51x_chip *chip, u8 err_code) +{ + struct sd_info *sd_card = &(chip->sd_card); + + sd_card->sd_reset_fail |= err_code; +} + +static inline void sd_clear_reset_fail(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + + sd_card->sd_reset_fail = 0; +} + +static inline int sd_check_reset_fail(struct rts51x_chip *chip, u8 err_code) +{ + struct sd_info *sd_card = &(chip->sd_card); + + return sd_card->sd_reset_fail & err_code; +} + +static inline void sd_set_err_code(struct rts51x_chip *chip, u8 err_code) +{ + struct sd_info *sd_card = &(chip->sd_card); + + sd_card->err_code |= err_code; +} + +static inline void sd_clr_err_code(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + + sd_card->err_code = 0; +} + +static inline int sd_check_err_code(struct rts51x_chip *chip, u8 err_code) +{ + struct sd_info *sd_card = &(chip->sd_card); + + return sd_card->err_code & err_code; +} + +static int sd_parse_err_code(struct rts51x_chip *chip) +{ + TRACE_RET(chip, STATUS_FAIL); +} + +int sd_check_data0_status(struct rts51x_chip *chip) +{ + int retval; + u8 stat; + + retval = rts51x_ep0_read_register(chip, SD_BUS_STAT, &stat); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (!(stat & SD_DAT0_STATUS)) { + sd_set_err_code(chip, SD_BUSY); + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +static int sd_send_cmd_get_rsp(struct rts51x_chip *chip, u8 cmd_idx, + u32 arg, u8 rsp_type, u8 *rsp, int rsp_len) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + int timeout = 50; + u16 reg_addr; + u8 buf[17], stat; + int len = 2; + int rty_cnt = 0; + + sd_clr_err_code(chip); + + RTS51X_DEBUGP("SD/MMC CMD %d, arg = 0x%08x\n", cmd_idx, arg); + + if (rsp_type == SD_RSP_TYPE_R1b) + timeout = 3000; + +RTY_SEND_CMD: + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF, 0x40 | cmd_idx); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF, (u8) (arg >> 24)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF, (u8) (arg >> 16)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF, (u8) (arg >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF, (u8) arg); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, rsp_type); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + SD_TM_CMD_RSP | SD_TRANSFER_START); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, + SD_TRANSFER_END | SD_STAT_IDLE, + SD_TRANSFER_END | SD_STAT_IDLE); + + rts51x_add_cmd(chip, READ_REG_CMD, SD_STAT1, 0, 0); + + if (CHECK_USB(chip, USB_20)) { + if (rsp_type == SD_RSP_TYPE_R2) { + /* Read data from ping-pong buffer */ + for (reg_addr = PPBUF_BASE2; + reg_addr < PPBUF_BASE2 + 16; reg_addr++) { + rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0, + 0); + } + len = 18; + } else if (rsp_type != SD_RSP_TYPE_R0) { + /* Read data from SD_CMDx registers */ + for (reg_addr = SD_CMD0; reg_addr <= SD_CMD4; + reg_addr++) { + rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0, + 0); + } + len = 7; + } else { + len = 2; + } + } else { + len = 2; + } + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, len, timeout); + + if (CHECK_SD_TRANS_FAIL(chip, retval)) { + u8 val; + + rts51x_ep0_read_register(chip, SD_STAT1, &val); + RTS51X_DEBUGP("SD_STAT1: 0x%x\n", val); + + rts51x_ep0_read_register(chip, SD_STAT2, &val); + RTS51X_DEBUGP("SD_STAT2: 0x%x\n", val); + + if (val & SD_RSP_80CLK_TIMEOUT) + sd_set_err_code(chip, SD_RSP_TIMEOUT); + + rts51x_ep0_read_register(chip, SD_BUS_STAT, &val); + RTS51X_DEBUGP("SD_BUS_STAT: 0x%x\n", val); + + if (retval == STATUS_TIMEDOUT) { + if (rsp_type & SD_WAIT_BUSY_END) { + retval = sd_check_data0_status(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } else { + sd_set_err_code(chip, SD_TO_ERR); + } + } + rts51x_clear_sd_error(chip); + + TRACE_RET(chip, STATUS_FAIL); + } + + if (rsp_type == SD_RSP_TYPE_R0) + return STATUS_SUCCESS; + + if (CHECK_USB(chip, USB_20)) { + rts51x_read_rsp_buf(chip, 2, buf, len - 2); + } else { + if (rsp_type == SD_RSP_TYPE_R2) { + reg_addr = PPBUF_BASE2; + len = 16; + } else { + reg_addr = SD_CMD0; + len = 5; + } + retval = rts51x_seq_read_register(chip, reg_addr, + (unsigned short)len, buf); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + stat = chip->rsp_buf[1]; + + /* Check (Start,Transmission) bit of Response */ + if ((buf[0] & 0xC0) != 0) { + sd_set_err_code(chip, SD_STS_ERR); + TRACE_RET(chip, STATUS_FAIL); + } + /* Check CRC7 */ + if (!(rsp_type & SD_NO_CHECK_CRC7)) { + if (stat & SD_CRC7_ERR) { + if (cmd_idx == WRITE_MULTIPLE_BLOCK) { + sd_set_err_code(chip, SD_CRC_ERR); + TRACE_RET(chip, STATUS_FAIL); + } + if (rty_cnt < SD_MAX_RETRY_COUNT) { + wait_timeout(20); + rty_cnt++; + goto RTY_SEND_CMD; + } else { + sd_set_err_code(chip, SD_CRC_ERR); + TRACE_RET(chip, STATUS_FAIL); + } + } + } + /* Check Status */ + if ((rsp_type == SD_RSP_TYPE_R1) || (rsp_type == SD_RSP_TYPE_R1b)) { + if ((cmd_idx != SEND_RELATIVE_ADDR) + && (cmd_idx != SEND_IF_COND)) { + if (cmd_idx != STOP_TRANSMISSION) { + if (buf[1] & 0x80) + TRACE_RET(chip, STATUS_FAIL); + } +#ifdef SUPPORT_SD_LOCK + /* exclude bit25 CARD_IS_LOCKED */ + if (buf[1] & 0x7D) { +#else + if (buf[1] & 0x7F) { +#endif + RTS51X_DEBUGP("buf[1]: 0x%02x\n", buf[1]); + TRACE_RET(chip, STATUS_FAIL); + } + if (buf[2] & 0xFF) { + RTS51X_DEBUGP("buf[2]: 0x%02x\n", buf[2]); + TRACE_RET(chip, STATUS_FAIL); + } + if (buf[3] & 0x80) { + RTS51X_DEBUGP("buf[3]: 0x%02x\n", buf[3]); + TRACE_RET(chip, STATUS_FAIL); + } + if (buf[3] & 0x01) { + /* Get "READY_FOR_DATA" bit */ + sd_card->sd_data_buf_ready = 1; + } else { + sd_card->sd_data_buf_ready = 0; + } + } + } + + if (rsp && rsp_len) + memcpy(rsp, buf, rsp_len); + + return STATUS_SUCCESS; +} + +static inline void sd_print_debug_reg(struct rts51x_chip *chip) +{ +#ifdef CONFIG_RTS5139_DEBUG + u8 val = 0; + + rts51x_ep0_read_register(chip, SD_STAT1, &val); + RTS51X_DEBUGP("SD_STAT1: 0x%x\n", val); + rts51x_ep0_read_register(chip, SD_STAT2, &val); + RTS51X_DEBUGP("SD_STAT2: 0x%x\n", val); + rts51x_ep0_read_register(chip, SD_BUS_STAT, &val); + RTS51X_DEBUGP("SD_BUS_STAT: 0x%x\n", val); +#endif +} + +int sd_read_data(struct rts51x_chip *chip, u8 trans_mode, u8 *cmd, int cmd_len, + u16 byte_cnt, u16 blk_cnt, u8 bus_width, u8 *buf, int buf_len, + int timeout) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + int i; + + sd_clr_err_code(chip); + + if (!buf) + buf_len = 0; + + if (buf_len > 512) + /* This function can't read data more than one page */ + TRACE_RET(chip, STATUS_FAIL); + + rts51x_init_cmd(chip); + + if (cmd_len) { + RTS51X_DEBUGP("SD/MMC CMD %d\n", cmd[0] - 0x40); + for (i = 0; i < (cmd_len < 6 ? cmd_len : 6); i++) { + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0 + i, 0xFF, + cmd[i]); + } + } + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, (u8) byte_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, + (u8) (byte_cnt >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, (u8) blk_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, + (u8) (blk_cnt >> 8)); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03, bus_width); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, + SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END + | SD_CHECK_CRC7 | SD_RSP_LEN_6); + if (trans_mode != SD_TM_AUTO_TUNING) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + } + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + trans_mode | SD_TRANSFER_START); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END, + SD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 1, timeout); + + if (CHECK_SD_TRANS_FAIL(chip, retval)) { + sd_print_debug_reg(chip); + if (retval == STATUS_TIMEDOUT) { + sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + } + + TRACE_RET(chip, STATUS_FAIL); + } + + if (buf && buf_len) { + retval = rts51x_read_ppbuf(chip, buf, buf_len); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +static int sd_write_data(struct rts51x_chip *chip, u8 trans_mode, + u8 *cmd, int cmd_len, u16 byte_cnt, u16 blk_cnt, + u8 bus_width, u8 *buf, int buf_len, int timeout) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + int i; + + sd_clr_err_code(chip); + + if (!buf) + buf_len = 0; + + /* This function can't write data more than one page */ + if (buf_len > 512) + TRACE_RET(chip, STATUS_FAIL); + + if (buf && buf_len) { + retval = rts51x_write_ppbuf(chip, buf, buf_len); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + rts51x_init_cmd(chip); + + if (cmd_len) { + RTS51X_DEBUGP("SD/MMC CMD %d\n", cmd[0] - 0x40); + for (i = 0; i < (cmd_len < 6 ? cmd_len : 6); i++) { + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0 + i, 0xFF, + cmd[i]); + } + } + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, (u8) byte_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, + (u8) (byte_cnt >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, (u8) blk_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, + (u8) (blk_cnt >> 8)); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03, bus_width); + + if (cmd_len) { + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, + SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | + SD_WAIT_BUSY_END | SD_CHECK_CRC7 | SD_RSP_LEN_6); + + } else { + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, + SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | + SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | + SD_RSP_LEN_6); + } + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + trans_mode | SD_TRANSFER_START); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END, + SD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 1, timeout); + + if (CHECK_SD_TRANS_FAIL(chip, retval)) { + sd_print_debug_reg(chip); + + if (retval == STATUS_TIMEDOUT) + sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +static int sd_check_csd(struct rts51x_chip *chip, char check_wp) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + int i; + u8 csd_ver, trans_speed; + u8 rsp[16]; + + for (i = 0; i < 6; i++) { + if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) { + sd_set_reset_fail(chip, SD_RESET_FAIL); + TRACE_RET(chip, STATUS_FAIL); + } + + retval = + sd_send_cmd_get_rsp(chip, SEND_CSD, sd_card->sd_addr, + SD_RSP_TYPE_R2, rsp, 16); + if (retval == STATUS_SUCCESS) + break; + } + + if (i == 6) + TRACE_RET(chip, STATUS_FAIL); + memcpy(sd_card->raw_csd, rsp + 1, 15); + /* Get CRC7 */ + RTS51X_READ_REG(chip, SD_CMD5, sd_card->raw_csd + 15); + + RTS51X_DEBUGP("CSD Response:\n"); + RTS51X_DUMP(rsp, 16); + + /* Get CSD Version */ + csd_ver = (rsp[1] & 0xc0) >> 6; + RTS51X_DEBUGP("csd_ver = %d\n", csd_ver); + + trans_speed = rsp[4]; + if ((trans_speed & 0x07) == 0x02) { /* 10Mbits/s */ + if ((trans_speed & 0xf8) >= 0x30) { /* >25Mbits/s */ + if (chip->asic_code) + sd_card->sd_clock = 46; + else + sd_card->sd_clock = CLK_50; + } else if ((trans_speed & 0xf8) == 0x28) { /* 20Mbits/s */ + if (chip->asic_code) + sd_card->sd_clock = 39; + else + sd_card->sd_clock = CLK_40; + } else if ((trans_speed & 0xf8) == 0x20) { /* 15Mbits/s */ + if (chip->asic_code) + sd_card->sd_clock = 29; + else + sd_card->sd_clock = CLK_30; + } else if ((trans_speed & 0xf8) >= 0x10) { /* 12Mbits/s */ + if (chip->asic_code) + sd_card->sd_clock = 23; + else + sd_card->sd_clock = CLK_20; + } else if ((trans_speed & 0x08) >= 0x08) { /* 10Mbits/s */ + if (chip->asic_code) + sd_card->sd_clock = 19; + else + sd_card->sd_clock = CLK_20; + } /*else { */ + /*If this ,then slow card will use 30M clock */ + /* TRACE_RET(chip, STATUS_FAIL); */ + /* } */ + } + /*else { + TRACE_RET(chip, STATUS_FAIL); + } */ + if (CHK_MMC_SECTOR_MODE(sd_card)) { + sd_card->capacity = 0; + } else { + /* For High-Capacity Card, CSD_STRUCTURE always be "0x1" */ + if ((!CHK_SD_HCXC(sd_card)) || (csd_ver == 0)) { + /* Calculate total sector according to C_SIZE, + * C_SIZE_MULT & READ_BL_LEN */ + u8 blk_size, c_size_mult; + u16 c_size; + /* Get READ_BL_LEN */ + blk_size = rsp[6] & 0x0F; + /* Get C_SIZE */ + c_size = ((u16) (rsp[7] & 0x03) << 10) + + ((u16) rsp[8] << 2) + + ((u16) (rsp[9] & 0xC0) >> 6); + /* Get C_SIZE_MUL */ + c_size_mult = (u8) ((rsp[10] & 0x03) << 1); + c_size_mult += (rsp[11] & 0x80) >> 7; + /* Calculate total Capacity */ + sd_card->capacity = + (((u32) (c_size + 1)) * + (1 << (c_size_mult + 2))) << (blk_size - 9); + } else { + /* High Capacity Card and Use CSD2.0 Version */ + u32 total_sector = 0; + total_sector = (((u32) rsp[8] & 0x3f) << 16) | + ((u32) rsp[9] << 8) | (u32) rsp[10]; + /* Total Capacity= (C_SIZE+1) * + * 512K Byte = (C_SIZE+1)K Sector,1K = 1024 Bytes */ + sd_card->capacity = (total_sector + 1) << 10; + } + } + + /* We need check Write-Protected Status by Field PERM WP or TEMP WP */ + if (check_wp) { + if (rsp[15] & 0x30) + chip->card_wp |= SD_CARD; + RTS51X_DEBUGP("CSD WP Status: 0x%x\n", rsp[15]); + } + + return STATUS_SUCCESS; +} + +static int sd_set_sample_push_timing(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + + rts51x_init_cmd(chip); + + if (CHK_SD_SDR104(sd_card) || CHK_SD_SDR50(sd_card)) { + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, + 0x0C | SD_ASYNC_FIFO_RST, + SD_30_MODE | SD_ASYNC_FIFO_RST); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_SOURCE, 0xFF, + CRC_VAR_CLK0 | SD30_FIX_CLK | SAMPLE_VAR_CLK1); + } else if (CHK_SD_DDR50(sd_card) || CHK_MMC_DDR52(sd_card)) { + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, + 0x0C | SD_ASYNC_FIFO_RST, + SD_DDR_MODE | SD_ASYNC_FIFO_RST); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_SOURCE, 0xFF, + CRC_VAR_CLK0 | SD30_FIX_CLK | SAMPLE_VAR_CLK1); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_PUSH_POINT_CTL, + DDR_VAR_TX_CMD_DAT, DDR_VAR_TX_CMD_DAT); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_SAMPLE_POINT_CTL, + DDR_VAR_RX_DAT | DDR_VAR_RX_CMD, + DDR_VAR_RX_DAT | DDR_VAR_RX_CMD); + } else { + u8 val = 0; + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x0C, SD_20_MODE); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_SOURCE, 0xFF, + CRC_FIX_CLK | SD30_VAR_CLK0 | SAMPLE_VAR_CLK1); + + if ((chip->option.sd_ctl & SD_PUSH_POINT_CTL_MASK) == + SD_PUSH_POINT_AUTO) { + val = SD20_TX_NEG_EDGE; + } else if ((chip->option.sd_ctl & SD_PUSH_POINT_CTL_MASK) == + SD_PUSH_POINT_DELAY) { + val = SD20_TX_14_AHEAD; + } else { + val = SD20_TX_NEG_EDGE; + } + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_PUSH_POINT_CTL, + SD20_TX_SEL_MASK, val); + + if ((chip->option.sd_ctl & SD_SAMPLE_POINT_CTL_MASK) == + SD_SAMPLE_POINT_AUTO) { + if (chip->asic_code) { + if (CHK_SD_HS(sd_card) || CHK_MMC_52M(sd_card)) + val = SD20_RX_14_DELAY; + else + val = SD20_RX_POS_EDGE; + } else { + val = SD20_RX_14_DELAY; + } + } else if ((chip->option.sd_ctl & SD_SAMPLE_POINT_CTL_MASK) == + SD_SAMPLE_POINT_DELAY) { + val = SD20_RX_14_DELAY; + } else { + val = SD20_RX_POS_EDGE; + } + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_SAMPLE_POINT_CTL, + SD20_RX_SEL_MASK, val); + } + + if (CHK_MMC_DDR52(sd_card) && CHK_MMC_8BIT(sd_card)) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DMA1_CTL, + EXTEND_DMA1_ASYNC_SIGNAL, 0); + } + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +static void sd_choose_proper_clock(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + + if (CHK_SD_SDR104(sd_card)) { + if (chip->asic_code) + sd_card->sd_clock = chip->option.asic_sd_sdr104_clk; + else + sd_card->sd_clock = chip->option.fpga_sd_sdr104_clk; + } else if (CHK_SD_DDR50(sd_card)) { + if (chip->asic_code) + sd_card->sd_clock = chip->option.asic_sd_ddr50_clk; + else + sd_card->sd_clock = chip->option.fpga_sd_ddr50_clk; + } else if (CHK_SD_SDR50(sd_card)) { + if (chip->asic_code) + sd_card->sd_clock = chip->option.asic_sd_sdr50_clk; + else + sd_card->sd_clock = chip->option.fpga_sd_sdr50_clk; + } else if (CHK_SD_HS(sd_card)) { + if (chip->asic_code) + sd_card->sd_clock = chip->option.asic_sd_hs_clk; + else + sd_card->sd_clock = chip->option.fpga_sd_hs_clk; + } else if (CHK_MMC_52M(sd_card) || CHK_MMC_DDR52(sd_card)) { + if (chip->asic_code) + sd_card->sd_clock = chip->option.asic_mmc_52m_clk; + else + sd_card->sd_clock = chip->option.fpga_mmc_52m_clk; + } else if (CHK_MMC_26M(sd_card)) { + if (chip->asic_code) { + sd_card->sd_clock = 46; + RTS51X_DEBUGP("Set MMC clock to 22.5MHz\n"); + } else { + sd_card->sd_clock = CLK_50; + } + } +} + +static int sd_set_init_para(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + + retval = sd_set_sample_push_timing(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + sd_choose_proper_clock(chip); + + retval = switch_clock(chip, sd_card->sd_clock); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +int sd_select_card(struct rts51x_chip *chip, int select) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + u8 cmd_idx, cmd_type; + u32 addr; + + if (select) { + cmd_idx = SELECT_CARD; + cmd_type = SD_RSP_TYPE_R1; + addr = sd_card->sd_addr; + } else { + cmd_idx = DESELECT_CARD; + cmd_type = SD_RSP_TYPE_R0; + addr = 0; + } + + retval = sd_send_cmd_get_rsp(chip, cmd_idx, addr, cmd_type, NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +#ifdef SUPPORT_SD_LOCK +int sd_update_lock_status(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + u8 rsp[5]; + + retval = + sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, rsp, 5); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + if (rsp[1] & 0x02) + sd_card->sd_lock_status |= SD_LOCKED; + else + sd_card->sd_lock_status &= ~SD_LOCKED; + + RTS51X_DEBUGP("sd_card->sd_lock_status = 0x%x\n", + sd_card->sd_lock_status); + + if (rsp[1] & 0x01) { + /* LOCK_UNLOCK_FAILED */ + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} +#endif + +int sd_wait_currentstate_dataready(struct rts51x_chip *chip, u8 statechk, + u8 rdychk, u16 pollingcnt) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + u8 rsp[5]; + u16 i; + + for (i = 0; i < pollingcnt; i++) { + + retval = + sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, rsp, 5); + if (retval == STATUS_SUCCESS) { + if (((rsp[3] & 0x1E) == statechk) + && ((rsp[3] & 0x01) == rdychk)) { + return STATUS_SUCCESS; + } + } else { + rts51x_clear_sd_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + } + + return STATUS_TIMEDOUT; +} + +static int sd_voltage_switch(struct rts51x_chip *chip) +{ + int retval; + u8 stat; + + RTS51X_WRITE_REG(chip, SD_BUS_STAT, + SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, + SD_CLK_TOGGLE_EN); + + retval = + sd_send_cmd_get_rsp(chip, VOLTAGE_SWITCH, 0, SD_RSP_TYPE_R1, NULL, + 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_READ_REG(chip, SD_BUS_STAT, &stat); + if (stat & (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS | + SD_DAT1_STATUS | SD_DAT0_STATUS)) + TRACE_RET(chip, STATUS_FAIL); + + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BUS_STAT, 0xFF, + SD_CLK_FORCE_STOP); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_PAD_CTL, SD_IO_USING_1V8, + SD_IO_USING_1V8); + if (chip->asic_code) + rts51x_add_cmd(chip, WRITE_REG_CMD, LDO_POWER_CFG, + TUNE_SD18_MASK, TUNE_SD18_1V8); + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + wait_timeout(chip->option.D3318_off_delay); + + RTS51X_WRITE_REG(chip, SD_BUS_STAT, 0xFF, SD_CLK_TOGGLE_EN); + wait_timeout(10); + + RTS51X_READ_REG(chip, SD_BUS_STAT, &stat); + if ((stat & (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS | + SD_DAT1_STATUS | SD_DAT0_STATUS)) != + (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS | + SD_DAT1_STATUS | SD_DAT0_STATUS)) { + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BUS_STAT, 0xFF, + SD_CLK_FORCE_STOP); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, 0xFF, 0); + rts51x_send_cmd(chip, MODE_C, 100); + TRACE_RET(chip, STATUS_FAIL); + } + RTS51X_WRITE_REG(chip, SD_BUS_STAT, + SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, 0); + + return STATUS_SUCCESS; +} + +static int sd_change_phase(struct rts51x_chip *chip, u8 sample_point, + u8 tune_dir) +{ + u16 SD_VP_CTL, SD_DCMPS_CTL; + u8 val; + int retval; + + RTS51X_DEBUGP("sd_change_phase (sample_point = %d, tune_dir = %d)\n", + sample_point, tune_dir); + + if (tune_dir == TUNE_RX) { + SD_VP_CTL = SD_VPCLK1_CTL; + SD_DCMPS_CTL = SD_DCMPS1_CTL; + } else { + SD_VP_CTL = SD_VPCLK0_CTL; + SD_DCMPS_CTL = SD_DCMPS0_CTL; + } + + if (chip->asic_code) { + RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, CLK_CHANGE); + RTS51X_WRITE_REG(chip, SD_VP_CTL, 0x1F, sample_point); + RTS51X_WRITE_REG(chip, SD_VPCLK0_CTL, PHASE_NOT_RESET, 0); + RTS51X_WRITE_REG(chip, SD_VPCLK0_CTL, PHASE_NOT_RESET, + PHASE_NOT_RESET); + RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, 0); + } else { +#ifdef CONFIG_RTS5139_DEBUG + RTS51X_READ_REG(chip, SD_VP_CTL, &val); + RTS51X_DEBUGP("SD_VP_CTL: 0x%x\n", val); + RTS51X_READ_REG(chip, SD_DCMPS_CTL, &val); + RTS51X_DEBUGP("SD_DCMPS_CTL: 0x%x\n", val); +#endif + + RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, CLK_CHANGE); + udelay(100); + RTS51X_WRITE_REG(chip, SD_VP_CTL, 0xFF, + PHASE_NOT_RESET | sample_point); + udelay(200); + + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_DCMPS_CTL, DCMPS_CHANGE, + DCMPS_CHANGE); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_DCMPS_CTL, + DCMPS_CHANGE_DONE, DCMPS_CHANGE_DONE); + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, Fail); + + retval = rts51x_get_rsp(chip, 1, 500); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, Fail); + + val = chip->rsp_buf[0]; + if (val & DCMPS_ERROR) + TRACE_GOTO(chip, Fail); + if ((val & DCMPS_CURRENT_PHASE) != sample_point) + TRACE_GOTO(chip, Fail); + RTS51X_WRITE_REG(chip, SD_DCMPS_CTL, DCMPS_CHANGE, 0); + RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, 0); + udelay(100); + } + + RTS51X_WRITE_REG(chip, SD_CFG1, SD_ASYNC_FIFO_RST, 0); + + return STATUS_SUCCESS; + +Fail: +#ifdef CONFIG_RTS5139_DEBUG + rts51x_ep0_read_register(chip, SD_VP_CTL, &val); + RTS51X_DEBUGP("SD_VP_CTL: 0x%x\n", val); + rts51x_ep0_read_register(chip, SD_DCMPS_CTL, &val); + RTS51X_DEBUGP("SD_DCMPS_CTL: 0x%x\n", val); +#endif + + RTS51X_WRITE_REG(chip, SD_DCMPS_CTL, DCMPS_CHANGE, 0); + RTS51X_WRITE_REG(chip, SD_VP_CTL, PHASE_CHANGE, 0); + wait_timeout(10); + + return STATUS_FAIL; +} + +static int sd_check_spec(struct rts51x_chip *chip, u8 bus_width) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + u8 cmd[5], buf[8]; + + retval = + sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, SD_RSP_TYPE_R1, + NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + cmd[0] = 0x40 | SEND_SCR; + cmd[1] = 0; + cmd[2] = 0; + cmd[3] = 0; + cmd[4] = 0; + + retval = + sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 8, 1, bus_width, buf, + 8, 250); + if (retval != STATUS_SUCCESS) { + rts51x_clear_sd_error(chip); + TRACE_RET(chip, retval); + } + + memcpy(sd_card->raw_scr, buf, 8); + + if ((buf[0] & 0x0F) == 0) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +static int sd_query_switch_result(struct rts51x_chip *chip, u8 func_group, + u8 func_to_switch, u8 *buf, int buf_len) +{ + u8 support_mask = 0, query_switch = 0, switch_busy = 0; + int support_offset = 0, query_switch_offset = 0, check_busy_offset = 0; + + if (func_group == SD_FUNC_GROUP_1) { + support_offset = FUNCTION_GROUP1_SUPPORT_OFFSET; + query_switch_offset = FUNCTION_GROUP1_QUERY_SWITCH_OFFSET; + check_busy_offset = FUNCTION_GROUP1_CHECK_BUSY_OFFSET; + + switch (func_to_switch) { + case HS_SUPPORT: + support_mask = HS_SUPPORT_MASK; + query_switch = HS_QUERY_SWITCH_OK; + switch_busy = HS_SWITCH_BUSY; + break; + + case SDR50_SUPPORT: + support_mask = SDR50_SUPPORT_MASK; + query_switch = SDR50_QUERY_SWITCH_OK; + switch_busy = SDR50_SWITCH_BUSY; + break; + + case SDR104_SUPPORT: + support_mask = SDR104_SUPPORT_MASK; + query_switch = SDR104_QUERY_SWITCH_OK; + switch_busy = SDR104_SWITCH_BUSY; + break; + + case DDR50_SUPPORT: + support_mask = DDR50_SUPPORT_MASK; + query_switch = DDR50_QUERY_SWITCH_OK; + switch_busy = DDR50_SWITCH_BUSY; + break; + + default: + TRACE_RET(chip, STATUS_FAIL); + } + } else if (func_group == SD_FUNC_GROUP_3) { + support_offset = FUNCTION_GROUP3_SUPPORT_OFFSET; + query_switch_offset = FUNCTION_GROUP3_QUERY_SWITCH_OFFSET; + check_busy_offset = FUNCTION_GROUP3_CHECK_BUSY_OFFSET; + + switch (func_to_switch) { + case DRIVING_TYPE_A: + support_mask = DRIVING_TYPE_A_MASK; + query_switch = TYPE_A_QUERY_SWITCH_OK; + switch_busy = TYPE_A_SWITCH_BUSY; + break; + + case DRIVING_TYPE_C: + support_mask = DRIVING_TYPE_C_MASK; + query_switch = TYPE_C_QUERY_SWITCH_OK; + switch_busy = TYPE_C_SWITCH_BUSY; + break; + + case DRIVING_TYPE_D: + support_mask = DRIVING_TYPE_D_MASK; + query_switch = TYPE_D_QUERY_SWITCH_OK; + switch_busy = TYPE_D_SWITCH_BUSY; + break; + + default: + TRACE_RET(chip, STATUS_FAIL); + } + } else if (func_group == SD_FUNC_GROUP_4) { + support_offset = FUNCTION_GROUP4_SUPPORT_OFFSET; + query_switch_offset = FUNCTION_GROUP4_QUERY_SWITCH_OFFSET; + check_busy_offset = FUNCTION_GROUP4_CHECK_BUSY_OFFSET; + + switch (func_to_switch) { + case CURRENT_LIMIT_400: + support_mask = CURRENT_LIMIT_400_MASK; + query_switch = CURRENT_LIMIT_400_QUERY_SWITCH_OK; + switch_busy = CURRENT_LIMIT_400_SWITCH_BUSY; + break; + + case CURRENT_LIMIT_600: + support_mask = CURRENT_LIMIT_600_MASK; + query_switch = CURRENT_LIMIT_600_QUERY_SWITCH_OK; + switch_busy = CURRENT_LIMIT_600_SWITCH_BUSY; + break; + + case CURRENT_LIMIT_800: + support_mask = CURRENT_LIMIT_800_MASK; + query_switch = CURRENT_LIMIT_800_QUERY_SWITCH_OK; + switch_busy = CURRENT_LIMIT_800_SWITCH_BUSY; + break; + + default: + TRACE_RET(chip, STATUS_FAIL); + } + } else { + TRACE_RET(chip, STATUS_FAIL); + } + + if (func_group == SD_FUNC_GROUP_4) + buf[query_switch_offset] = + (buf[query_switch_offset] & 0xf0) >> 4; + if (!(buf[support_offset] & support_mask) || + ((buf[query_switch_offset] & 0x0F) != query_switch)) + TRACE_RET(chip, STATUS_FAIL); + + if ((buf[DATA_STRUCTURE_VER_OFFSET] == 0x01) && + ((buf[check_busy_offset] & switch_busy) == switch_busy)) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +static int sd_check_switch_mode(struct rts51x_chip *chip, u8 mode, + u8 func_group, u8 func_to_switch, u8 bus_width) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + u8 cmd[5], buf[64]; + + RTS51X_DEBUGP("sd_check_switch_mode (mode = %d, func_group = %d," + "func_to_switch = %d)\n", mode, func_group, func_to_switch); + + cmd[0] = 0x40 | SWITCH; + cmd[1] = mode; + + if (func_group == SD_FUNC_GROUP_1) { + cmd[2] = 0xFF; + cmd[3] = 0xFF; + cmd[4] = 0xF0 + func_to_switch; + } else if (func_group == SD_FUNC_GROUP_3) { + cmd[2] = 0xFF; + cmd[3] = 0xF0 + func_to_switch; + cmd[4] = 0xFF; + } else if (func_group == SD_FUNC_GROUP_4) { + cmd[2] = 0xFF; + cmd[3] = 0x0F + (func_to_switch << 4); + cmd[4] = 0xFF; + } else { + cmd[1] = SD_CHECK_MODE; + cmd[2] = 0xFF; + cmd[3] = 0xFF; + cmd[4] = 0xFF; + } + + retval = + sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 64, 1, bus_width, buf, + 64, 250); + if (retval != STATUS_SUCCESS) { + rts51x_clear_sd_error(chip); + TRACE_RET(chip, retval); + } + + if (func_group == NO_ARGUMENT) { + sd_card->func_group1_mask = buf[0x0D]; + sd_card->func_group2_mask = buf[0x0B]; + sd_card->func_group3_mask = buf[0x09]; + sd_card->func_group4_mask = buf[0x07]; + + RTS51X_DEBUGP("func_group1_mask = 0x%02x\n", buf[0x0D]); + RTS51X_DEBUGP("func_group2_mask = 0x%02x\n", buf[0x0B]); + RTS51X_DEBUGP("func_group3_mask = 0x%02x\n", buf[0x09]); + RTS51X_DEBUGP("func_group4_mask = 0x%02x\n", buf[0x07]); + } else { + if ((buf[0] == 0) && (buf[1] == 0)) + TRACE_RET(chip, STATUS_FAIL); + retval = + sd_query_switch_result(chip, func_group, func_to_switch, + buf, 64); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +static int sd_check_switch(struct rts51x_chip *chip, + u8 func_group, u8 func_to_switch, u8 bus_width) +{ + int retval; + int i; + int switch_good = 0; + + for (i = 0; i < 3; i++) { + if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) { + sd_set_reset_fail(chip, SD_RESET_FAIL); + TRACE_RET(chip, STATUS_FAIL); + } + + retval = sd_check_switch_mode(chip, SD_CHECK_MODE, func_group, + func_to_switch, bus_width); + if (retval == STATUS_SUCCESS) { + u8 stat; + + retval = sd_check_switch_mode(chip, SD_SWITCH_MODE, + func_group, func_to_switch, bus_width); + if (retval == STATUS_SUCCESS) { + switch_good = 1; + break; + } + + RTS51X_READ_REG(chip, SD_STAT1, &stat); + + if (stat & SD_CRC16_ERR) { + RTS51X_DEBUGP("SD CRC16 error when switching" + "mode\n"); + TRACE_RET(chip, STATUS_FAIL); + } + } + + wait_timeout(20); + } + + if (!switch_good) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; +} + +static int sd_switch_function(struct rts51x_chip *chip, u8 bus_width) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + int i; + u8 func_to_switch = 0; + + /* Get supported functions */ + retval = sd_check_switch_mode(chip, SD_CHECK_MODE, + NO_ARGUMENT, NO_ARGUMENT, bus_width); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + sd_card->func_group1_mask &= ~(sd_card->sd_switch_fail); + + for (i = 0; i < 4; i++) { + switch ((u8) (chip->option.sd_speed_prior >> (i * 8))) { + case DDR50_SUPPORT: + if ((sd_card->func_group1_mask & DDR50_SUPPORT_MASK) + && (CHECK_UHS50(chip))) + func_to_switch = DDR50_SUPPORT; + break; + + case SDR50_SUPPORT: + if ((sd_card->func_group1_mask & SDR50_SUPPORT_MASK) + && (CHECK_UHS50(chip))) + func_to_switch = SDR50_SUPPORT; + break; + + case HS_SUPPORT: + if (sd_card->func_group1_mask & HS_SUPPORT_MASK) + func_to_switch = HS_SUPPORT; + break; + + default: + continue; + } + + if (func_to_switch) + break; + } + RTS51X_DEBUGP("SD_FUNC_GROUP_1: func_to_switch = 0x%02x", + func_to_switch); + +#ifdef SUPPORT_SD_LOCK + if ((sd_card->sd_lock_status & SD_SDR_RST) + && (DDR50_SUPPORT == func_to_switch) + && (sd_card->func_group1_mask & SDR50_SUPPORT_MASK)) { + func_to_switch = SDR50_SUPPORT; + RTS51X_DEBUGP("Using SDR50 instead of DDR50 for SD Lock\n"); + } +#endif + + if (func_to_switch) { + retval = + sd_check_switch(chip, SD_FUNC_GROUP_1, func_to_switch, + bus_width); + if (retval != STATUS_SUCCESS) { + if (func_to_switch == SDR104_SUPPORT) + sd_card->sd_switch_fail = SDR104_SUPPORT_MASK; + else if (func_to_switch == DDR50_SUPPORT) + sd_card->sd_switch_fail = DDR50_SUPPORT_MASK; + else if (func_to_switch == SDR50_SUPPORT) + sd_card->sd_switch_fail = SDR50_SUPPORT_MASK; + else if (func_to_switch == HS_SUPPORT) + sd_card->sd_switch_fail = HS_SUPPORT_MASK; + + TRACE_RET(chip, retval); + } + + if (func_to_switch == SDR104_SUPPORT) + SET_SD_SDR104(sd_card); + else if (func_to_switch == DDR50_SUPPORT) + SET_SD_DDR50(sd_card); + else if (func_to_switch == SDR50_SUPPORT) + SET_SD_SDR50(sd_card); + else + SET_SD_HS(sd_card); + } + + if (CHK_SD_DDR50(sd_card)) + RTS51X_WRITE_REG(chip, SD_CFG1, 0x0C, SD_DDR_MODE); + + func_to_switch = 0; + if (sd_card->func_group4_mask & CURRENT_LIMIT_400_MASK) + func_to_switch = CURRENT_LIMIT_400; + + if (func_to_switch) { + RTS51X_DEBUGP("Try to switch current_limit_400\n"); + retval = + sd_check_switch(chip, SD_FUNC_GROUP_4, func_to_switch, + bus_width); + RTS51X_DEBUGP("Switch current_limit_400 status: (%d)\n", + retval); + } + + return STATUS_SUCCESS; +} + +static int sd_wait_data_idle(struct rts51x_chip *chip) +{ + int retval = STATUS_TIMEDOUT; + int i; + u8 val = 0; + + for (i = 0; i < 100; i++) { + retval = rts51x_ep0_read_register(chip, SD_DATA_STATE, &val); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + if (val & SD_DATA_IDLE) { + retval = STATUS_SUCCESS; + break; + } + udelay(100); + } + RTS51X_DEBUGP("SD_DATA_STATE: 0x%02x\n", val); + + return retval; +} + +static int sd_sdr_tuning_rx_cmd(struct rts51x_chip *chip, u8 sample_point) +{ + int retval; + u8 cmd[5]; + + retval = sd_change_phase(chip, sample_point, TUNE_RX); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + cmd[0] = 0x40 | SEND_TUNING_PATTERN; + cmd[1] = 0; + cmd[2] = 0; + cmd[3] = 0; + cmd[4] = 0; + + retval = sd_read_data(chip, SD_TM_AUTO_TUNING, + cmd, 5, 0x40, 1, SD_BUS_WIDTH_4, NULL, 0, 100); + if (retval != STATUS_SUCCESS) { + /* Wait till SD DATA IDLE */ + (void)sd_wait_data_idle(chip); + + rts51x_clear_sd_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +static int sd_ddr_tuning_rx_cmd(struct rts51x_chip *chip, u8 sample_point) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + u8 cmd[5]; + + retval = sd_change_phase(chip, sample_point, TUNE_RX); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_DEBUGP("sd ddr tuning rx\n"); + + retval = + sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, SD_RSP_TYPE_R1, + NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + cmd[0] = 0x40 | SD_STATUS; + cmd[1] = 0; + cmd[2] = 0; + cmd[3] = 0; + cmd[4] = 0; + + retval = sd_read_data(chip, SD_TM_NORMAL_READ, + cmd, 5, 64, 1, SD_BUS_WIDTH_4, NULL, 0, 100); + if (retval != STATUS_SUCCESS) { + /* Wait till SD DATA IDLE */ + (void)sd_wait_data_idle(chip); + + rts51x_clear_sd_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +static int mmc_ddr_tunning_rx_cmd(struct rts51x_chip *chip, u8 sample_point) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + u8 cmd[5], bus_width; + + if (CHK_MMC_8BIT(sd_card)) + bus_width = SD_BUS_WIDTH_8; + else if (CHK_MMC_4BIT(sd_card)) + bus_width = SD_BUS_WIDTH_4; + else + bus_width = SD_BUS_WIDTH_1; + + retval = sd_change_phase(chip, sample_point, TUNE_RX); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_DEBUGP("mmc ddr tuning rx\n"); + + cmd[0] = 0x40 | SEND_EXT_CSD; + cmd[1] = 0; + cmd[2] = 0; + cmd[3] = 0; + cmd[4] = 0; + + retval = sd_read_data(chip, SD_TM_NORMAL_READ, + cmd, 5, 0x200, 1, bus_width, NULL, 0, 100); + if (retval != STATUS_SUCCESS) { + /* Wait till SD DATA IDLE */ + (void)sd_wait_data_idle(chip); + + rts51x_clear_sd_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +static int sd_sdr_tuning_tx_cmd(struct rts51x_chip *chip, u8 sample_point) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + + retval = sd_change_phase(chip, sample_point, TUNE_TX); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, + SD_RSP_80CLK_TIMEOUT_EN); + + retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + if (retval != STATUS_SUCCESS) { + if (sd_check_err_code(chip, SD_RSP_TIMEOUT)) { + /* Tunning TX fail */ + rts51x_ep0_write_register(chip, SD_CFG3, + SD_RSP_80CLK_TIMEOUT_EN, 0); + TRACE_RET(chip, STATUS_FAIL); + } + } + + RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0); + + return STATUS_SUCCESS; +} + +static int sd_ddr_tuning_tx_cmd(struct rts51x_chip *chip, u8 sample_point) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + u8 cmd[5], bus_width; + + retval = sd_change_phase(chip, sample_point, TUNE_TX); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (CHK_SD(sd_card)) { + bus_width = SD_BUS_WIDTH_4; + } else { + if (CHK_MMC_8BIT(sd_card)) + bus_width = SD_BUS_WIDTH_8; + else if (CHK_MMC_4BIT(sd_card)) + bus_width = SD_BUS_WIDTH_4; + else + bus_width = SD_BUS_WIDTH_1; + } + retval = sd_wait_currentstate_dataready(chip, 0x08, 1, 20); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, + SD_RSP_80CLK_TIMEOUT_EN); + + cmd[0] = 0x40 | PROGRAM_CSD; + cmd[1] = 0; + cmd[2] = 0; + cmd[3] = 0; + cmd[4] = 0; + + retval = sd_write_data(chip, SD_TM_AUTO_WRITE_2, + cmd, 5, 16, 1, bus_width, sd_card->raw_csd, 16, 100); + if (retval != STATUS_SUCCESS) { + rts51x_clear_sd_error(chip); + /* Tunning TX fail */ + rts51x_ep0_write_register(chip, SD_CFG3, + SD_RSP_80CLK_TIMEOUT_EN, 0); + TRACE_RET(chip, STATUS_FAIL); + } + + RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0); + + sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, SD_RSP_TYPE_R1, + NULL, 0); + + return STATUS_SUCCESS; +} + +static u8 sd_search_final_phase(struct rts51x_chip *chip, u32 phase_map, + u8 tune_dir) +{ + struct sd_info *sd_card = &(chip->sd_card); + struct timing_phase_path path[MAX_PHASE + 1]; + int i, j, cont_path_cnt; + int new_block, max_len; + u8 final_phase = 0xFF; + int final_path_idx; + + if (phase_map == 0xffff) { + if (CHK_SD_DDR50(sd_card)) { + if (tune_dir == TUNE_TX) + final_phase = chip->option.ddr50_tx_phase; + else + final_phase = chip->option.ddr50_rx_phase; + RTS51X_DEBUGP("DDR50 tuning dir:%d all pass," + "so select default phase:0x%x.\n", + tune_dir, final_phase); + } else { + if (tune_dir == TUNE_TX) + final_phase = chip->option.sdr50_tx_phase; + else + final_phase = chip->option.sdr50_rx_phase; + RTS51X_DEBUGP("SDR50 tuning dir:%d all pass," + "so select default phase:0x%x.\n", + tune_dir, final_phase); + } + goto Search_Finish; + } + + cont_path_cnt = 0; + new_block = 1; + j = 0; + for (i = 0; i < MAX_PHASE + 1; i++) { + if (phase_map & (1 << i)) { + if (new_block) { + new_block = 0; + j = cont_path_cnt++; + path[j].start = i; + path[j].end = i; + } else { + path[j].end = i; + } + } else { + new_block = 1; + if (cont_path_cnt) { + int idx = cont_path_cnt - 1; + path[idx].len = + path[idx].end - path[idx].start + 1; + path[idx].mid = + path[idx].start + path[idx].len / 2; + } + } + } + + if (cont_path_cnt == 0) { + RTS51X_DEBUGP("No continuous phase path\n"); + goto Search_Finish; + } else { + int idx = cont_path_cnt - 1; + path[idx].len = path[idx].end - path[idx].start + 1; + path[idx].mid = path[idx].start + path[idx].len / 2; + } + + if ((path[0].start == 0) && + (path[cont_path_cnt - 1].end == MAX_PHASE)) { + path[0].start = path[cont_path_cnt - 1].start - MAX_PHASE - 1; + path[0].len += path[cont_path_cnt - 1].len; + path[0].mid = path[0].start + path[0].len / 2; + if (path[0].mid < 0) + path[0].mid += MAX_PHASE + 1; + cont_path_cnt--; + } + max_len = 0; + final_phase = 0; + final_path_idx = 0; + for (i = 0; i < cont_path_cnt; i++) { + if (path[i].len > max_len) { + max_len = path[i].len; + final_phase = (u8) path[i].mid; + final_path_idx = i; + } + + RTS51X_DEBUGP("path[%d].start = %d\n", i, path[i].start); + RTS51X_DEBUGP("path[%d].end = %d\n", i, path[i].end); + RTS51X_DEBUGP("path[%d].len = %d\n", i, path[i].len); + RTS51X_DEBUGP("path[%d].mid = %d\n", i, path[i].mid); + RTS51X_DEBUGP("\n"); + } + + if ((tune_dir == TUNE_TX) && (CHK_SD_SDR50(sd_card)) + && chip->option.sdr50_phase_sel) { + if (max_len > 6) { + int temp_mid = (max_len - 6) / 2; + int temp_final_phase = + path[final_path_idx].end - (max_len - + (3 + temp_mid)); + + if (temp_final_phase < 0) + final_phase = temp_final_phase + MAX_PHASE + 1; + else + final_phase = (u8) temp_final_phase; + } + } + +Search_Finish: + RTS51X_DEBUGP("Final choosen phase: %d\n", final_phase); + return final_phase; +} + +static int sd_tuning_rx(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + int i, j; + u32 raw_phase_map[3], phase_map; + u8 final_phase; + int (*tuning_cmd) (struct rts51x_chip *chip, u8 sample_point); + + if (CHK_SD(sd_card)) { + if (CHK_SD_DDR50(sd_card)) + tuning_cmd = sd_ddr_tuning_rx_cmd; + else + tuning_cmd = sd_sdr_tuning_rx_cmd; + } else { + if (CHK_MMC_DDR52(sd_card)) + tuning_cmd = mmc_ddr_tunning_rx_cmd; + else + TRACE_RET(chip, STATUS_FAIL); + } + + for (i = 0; i < 3; i++) { + raw_phase_map[i] = 0; + for (j = MAX_PHASE; j >= 0; j--) { + if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) { + sd_set_reset_fail(chip, SD_RESET_FAIL); + TRACE_RET(chip, STATUS_FAIL); + } + + retval = tuning_cmd(chip, (u8) j); + if (retval == STATUS_SUCCESS) + raw_phase_map[i] |= 1 << j; + else + RTS51X_DEBUGP("Tuning phase %d fail\n", j); + } + } + + phase_map = raw_phase_map[0] & raw_phase_map[1] & raw_phase_map[2]; + for (i = 0; i < 3; i++) + RTS51X_DEBUGP("RX raw_phase_map[%d] = 0x%04x\n", i, + raw_phase_map[i]); + RTS51X_DEBUGP("RX phase_map = 0x%04x\n", phase_map); + + final_phase = sd_search_final_phase(chip, phase_map, TUNE_RX); + if (final_phase == 0xFF) + TRACE_RET(chip, STATUS_FAIL); + + retval = tuning_cmd(chip, final_phase); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +static int sd_ddr_pre_tuning_tx(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + u8 i; + u8 pre_tune_tx_phase; + u32 pre_tune_phase_map; + + RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, + SD_RSP_80CLK_TIMEOUT_EN); + + pre_tune_tx_phase = 0xFF; + pre_tune_phase_map = 0x0000; + for (i = 0; i < MAX_PHASE + 1; i++) { + if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) { + sd_set_reset_fail(chip, SD_RESET_FAIL); + TRACE_RET(chip, STATUS_FAIL); + } + + retval = sd_change_phase(chip, (u8) i, TUNE_TX); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = + sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + if ((retval == STATUS_SUCCESS) + || !sd_check_err_code(chip, SD_RSP_TIMEOUT)) + pre_tune_phase_map |= (u32) 1 << i; + } + + RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0); + + pre_tune_tx_phase = + sd_search_final_phase(chip, pre_tune_phase_map, TUNE_TX); + if (pre_tune_tx_phase == 0xFF) + TRACE_RET(chip, STATUS_FAIL); + + sd_change_phase(chip, pre_tune_tx_phase, TUNE_TX); + RTS51X_DEBUGP("DDR TX pre tune phase: %d\n", (int)pre_tune_tx_phase); + + return STATUS_SUCCESS; +} + +static int sd_tuning_tx(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + int i, j; + u32 raw_phase_map[3], phase_map; + u8 final_phase; + int (*tuning_cmd) (struct rts51x_chip *chip, u8 sample_point); + + if (CHK_SD(sd_card)) { + if (CHK_SD_DDR50(sd_card)) + tuning_cmd = sd_ddr_tuning_tx_cmd; + else + tuning_cmd = sd_sdr_tuning_tx_cmd; + } else { + if (CHK_MMC_DDR52(sd_card)) + tuning_cmd = sd_ddr_tuning_tx_cmd; + else + TRACE_RET(chip, STATUS_FAIL); + } + + for (i = 0; i < 3; i++) { + raw_phase_map[i] = 0; + for (j = MAX_PHASE; j >= 0; j--) { + if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) { + sd_set_reset_fail(chip, SD_RESET_FAIL); + TRACE_RET(chip, STATUS_FAIL); + } + + retval = tuning_cmd(chip, (u8) j); + if (retval == STATUS_SUCCESS) + raw_phase_map[i] |= 1 << j; + else + RTS51X_DEBUGP("Tuning phase %d fail\n", j); + } + } + + phase_map = raw_phase_map[0] & raw_phase_map[1] & raw_phase_map[2]; + for (i = 0; i < 3; i++) + RTS51X_DEBUGP("TX raw_phase_map[%d] = 0x%04x\n", i, + raw_phase_map[i]); + RTS51X_DEBUGP("TX phase_map = 0x%04x\n", phase_map); + + final_phase = sd_search_final_phase(chip, phase_map, TUNE_TX); + if (final_phase == 0xFF) + TRACE_RET(chip, STATUS_FAIL); + + retval = tuning_cmd(chip, final_phase); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +static int sd_sdr_tuning(struct rts51x_chip *chip) +{ + int retval; + + retval = sd_tuning_tx(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = sd_tuning_rx(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +static int sd_ddr_tuning(struct rts51x_chip *chip) +{ + int retval; + + if (!(chip->option.sd_ctl & SD_DDR_TX_PHASE_SET_BY_USER)) { + retval = sd_ddr_pre_tuning_tx(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } else { + retval = + sd_change_phase(chip, (u8) chip->option.sd_ddr_tx_phase, + TUNE_TX); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + retval = sd_tuning_rx(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (!(chip->option.sd_ctl & SD_DDR_TX_PHASE_SET_BY_USER)) { + retval = sd_tuning_tx(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +static int mmc_ddr_tuning(struct rts51x_chip *chip) +{ + int retval; + + if (!(chip->option.sd_ctl & MMC_DDR_TX_PHASE_SET_BY_USER)) { + retval = sd_ddr_pre_tuning_tx(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } else { + retval = + sd_change_phase(chip, (u8) chip->option.mmc_ddr_tx_phase, + TUNE_TX); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + retval = sd_tuning_rx(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (!(chip->option.sd_ctl & MMC_DDR_TX_PHASE_SET_BY_USER)) { + retval = sd_tuning_tx(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +int sd_switch_clock(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + int re_tuning = 0; + + retval = rts51x_select_card(chip, SD_CARD); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (CHK_SD30_SPEED(sd_card) || CHK_MMC_DDR52(sd_card)) { + if (sd_card->sd_clock != chip->cur_clk) + re_tuning = 1; + } + + retval = switch_clock(chip, sd_card->sd_clock); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (re_tuning) { + if (CHK_SD(sd_card)) { + if (CHK_SD_DDR50(sd_card)) + retval = sd_ddr_tuning(chip); + else + retval = sd_sdr_tuning(chip); + } else { + if (CHK_MMC_DDR52(sd_card)) + retval = mmc_ddr_tuning(chip); + } + + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +static int sd_prepare_reset(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + + if (chip->asic_code) + sd_card->sd_clock = 29; + else + sd_card->sd_clock = CLK_30; + + /* Set SD Clocks */ + retval = sd_set_init_para(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0xFF, + SD_CLK_DIVIDE_128 | SD_20_MODE | SD_BUS_WIDTH_1); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_SAMPLE_POINT_CTL, 0xFF, + SD20_RX_POS_EDGE); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_PUSH_POINT_CTL, 0xFF, 0); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_select_card(chip, SD_CARD); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +static void sd_pull_ctl_disable(struct rts51x_chip *chip) +{ + if (CHECK_PKG(chip, LQFP48)) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5); + } else { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x65); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x56); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59); + } +} + +static void sd_pull_ctl_enable(struct rts51x_chip *chip) +{ + if (CHECK_PKG(chip, LQFP48)) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xAA); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0xAA); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0xA9); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5); + } else { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xA5); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x9A); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0xA5); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x9A); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x65); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x5A); + } +} + +static int sd_init_power(struct rts51x_chip *chip) +{ + int retval; + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, LDO3318_PWR_MASK, + LDO_ON); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_PAD_CTL, SD_IO_USING_1V8, + SD_IO_USING_3V3); + if (chip->asic_code) + rts51x_add_cmd(chip, WRITE_REG_CMD, LDO_POWER_CFG, + TUNE_SD18_MASK, TUNE_SD18_3V3); + if (chip->asic_code) + sd_pull_ctl_disable(chip); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, + FPGA_SD_PULL_CTL_BIT | 0x20, + FPGA_SD_PULL_CTL_BIT); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, SD_OUTPUT_EN, 0); + if (!chip->option.FT2_fast_mode) + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK, + POWER_OFF); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (!chip->option.FT2_fast_mode) { +#ifdef SD_XD_IO_FOLLOW_PWR + if (CHECK_PKG(chip, LQFP48) + || chip->option.rts5129_D3318_off_enable) + rts51x_write_register(chip, CARD_PWR_CTL, + LDO_OFF, LDO_OFF); +#endif + wait_timeout(250); + +#ifdef SD_XD_IO_FOLLOW_PWR + if (CHECK_PKG(chip, LQFP48) + || chip->option.rts5129_D3318_off_enable) { + rts51x_init_cmd(chip); + if (chip->asic_code) + sd_pull_ctl_enable(chip); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, + FPGA_PULL_CTL, + FPGA_SD_PULL_CTL_BIT | 0x20, 0); + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } else { + if (chip->asic_code) + rts51x_write_register(chip, CARD_PULL_CTL6, + 0x03, 0x00); + } +#endif + + /* Power on card */ + retval = card_power_on(chip, SD_CARD); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + wait_timeout(260); + +#ifdef SUPPORT_OCP + rts51x_get_card_status(chip, &(chip->card_status)); + chip->ocp_stat = (chip->card_status >> 4) & 0x03; + + if (chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) { + RTS51X_DEBUGP("Over current, OCPSTAT is 0x%x\n", + chip->ocp_stat); + TRACE_RET(chip, STATUS_FAIL); + } +#endif + } + + rts51x_init_cmd(chip); + if (chip->asic_code) { + sd_pull_ctl_enable(chip); + } else { + rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, + FPGA_SD_PULL_CTL_BIT | 0x20, 0); + } + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); +#ifdef SD_XD_IO_FOLLOW_PWR + rts51x_write_register(chip, CARD_INT_PEND, XD_INT | MS_INT | SD_INT, + XD_INT | MS_INT | SD_INT); +#endif + + RTS51X_WRITE_REG(chip, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN); + + return STATUS_SUCCESS; +} + +static int sd_dummy_clock(struct rts51x_chip *chip) +{ + RTS51X_WRITE_REG(chip, SD_BUS_STAT, SD_CLK_TOGGLE_EN, SD_CLK_TOGGLE_EN); + wait_timeout(5); + RTS51X_WRITE_REG(chip, SD_BUS_STAT, SD_CLK_TOGGLE_EN, 0x00); + + return STATUS_SUCCESS; +} + +int reset_sd(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval, i = 0, j = 0, k = 0, hi_cap_flow = 0; + int sd_dont_switch = 0; + int support_1v8 = 0; + u8 rsp[16]; + u8 switch_bus_width; + u32 voltage = 0; + u8 cmd[5], buf[64]; + u16 sd_card_type; + + SET_SD(sd_card); + CLR_RETRY_SD20_MODE(sd_card); +Switch_Fail: + i = 0; + j = 0; + k = 0; + hi_cap_flow = 0; + support_1v8 = 0; +#ifdef SUPPORT_SD_LOCK + if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) + goto SD_UNLOCK_ENTRY; +#endif + + retval = sd_prepare_reset(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + sd_dummy_clock(chip); + + /* Start Initialization Process of SD Card */ +RTY_SD_RST: + retval = + sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0, NULL, + 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + wait_timeout(20); + + retval = + sd_send_cmd_get_rsp(chip, SEND_IF_COND, 0x000001AA, SD_RSP_TYPE_R7, + rsp, 5); + if (retval == STATUS_SUCCESS) { + if ((rsp[4] == 0xAA) && ((rsp[3] & 0x0f) == 0x01)) { + hi_cap_flow = 1; + if (CHK_RETRY_SD20_MODE(sd_card)) { + voltage = + SUPPORT_VOLTAGE | + SUPPORT_HIGH_AND_EXTENDED_CAPACITY; + } else { + voltage = + SUPPORT_VOLTAGE | + SUPPORT_HIGH_AND_EXTENDED_CAPACITY | + SUPPORT_MAX_POWER_PERMANCE | SUPPORT_1V8; + } + } + } + + if (!hi_cap_flow) { + voltage = SUPPORT_VOLTAGE; + + retval = + sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0, + NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + wait_timeout(20); + } + + /* ACMD41 */ + do { + { + u8 temp = 0; + rts51x_read_register(chip, CARD_INT_PEND, &temp); + RTS51X_DEBUGP("CARD_INT_PEND:%x\n", temp); + if (temp & SD_INT) { + chip->reset_need_retry = 1; + rts51x_write_register(chip, CARD_INT_PEND, + XD_INT | SD_INT | MS_INT, + XD_INT | SD_INT | MS_INT); + sd_set_reset_fail(chip, SD_RESET_FAIL); + TRACE_RET(chip, STATUS_FAIL); + } + } + +RTY_CMD55: + retval = + sd_send_cmd_get_rsp(chip, APP_CMD, 0, SD_RSP_TYPE_R1, NULL, + 0); + if (retval != STATUS_SUCCESS) { + if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) { + sd_set_reset_fail(chip, SD_RESET_FAIL); + TRACE_RET(chip, STATUS_FAIL); + } + + j++; + if (chip->option.speed_mmc) { + if (j < 2) + goto RTY_CMD55; + else + TRACE_RET(chip, STATUS_FAIL); + } else { + if (j < 3) + goto RTY_SD_RST; + else + TRACE_RET(chip, STATUS_FAIL); + } + } + + retval = + sd_send_cmd_get_rsp(chip, SD_APP_OP_COND, voltage, + SD_RSP_TYPE_R3, rsp, 5); + if (retval != STATUS_SUCCESS) { + k++; + if (k < 3) + goto RTY_SD_RST; + else + TRACE_RET(chip, STATUS_FAIL); + } + + i++; + wait_timeout(20); + } while (!(rsp[1] & 0x80) && (i < 255)); /* Not complete power on */ + + if (i == 255) { + /* Time out */ + TRACE_RET(chip, STATUS_FAIL); + } + + if (hi_cap_flow) { + if (rsp[1] & 0x40) + SET_SD_HCXC(sd_card); + else + CLR_SD_HCXC(sd_card); + if (!CHK_RETRY_SD20_MODE(sd_card)) { + if ((CHK_SD_HCXC(sd_card)) && (CHECK_UHS50(chip))) { + support_1v8 = (rsp[1] & 0x01) ? 1 : 0; + RTS51X_DEBUGP("support_1v8 = %d\n", + support_1v8); + } + } + } else { + CLR_SD_HCXC(sd_card); + support_1v8 = 0; + } + + /* CMD11: Switch Voltage */ + if (support_1v8 && CHECK_UHS50(chip) + && !(((u8) chip->option.sd_speed_prior & SDR104_SUPPORT) == + HS_SUPPORT)) { + retval = sd_voltage_switch(chip); + if (retval != STATUS_SUCCESS) { + SET_RETRY_SD20_MODE(sd_card); + sd_init_power(chip); + RTS51X_DEBUGP("1.8v switch fail\n"); + goto Switch_Fail; + } + } + + /* CMD 2 */ + retval = + sd_send_cmd_get_rsp(chip, ALL_SEND_CID, 0, SD_RSP_TYPE_R2, NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + /* CMD 3 */ + retval = + sd_send_cmd_get_rsp(chip, SEND_RELATIVE_ADDR, 0, SD_RSP_TYPE_R6, + rsp, 5); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + sd_card->sd_addr = (u32) rsp[1] << 24; + sd_card->sd_addr += (u32) rsp[2] << 16; + + /* Get CSD register for Calculating Timing,Capacity, + * Check CSD to determaine as if this is the SD ROM card */ + retval = sd_check_csd(chip, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* Select SD card */ + retval = sd_select_card(chip, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); +#ifdef SUPPORT_SD_LOCK +SD_UNLOCK_ENTRY: + /* Get SD lock status */ + retval = sd_update_lock_status(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + if (sd_card->sd_lock_status & SD_LOCKED) { + sd_card->sd_lock_status |= (SD_LOCK_1BIT_MODE | SD_PWD_EXIST); + return STATUS_SUCCESS; + } else if (!(sd_card->sd_lock_status & SD_UNLOCK_POW_ON)) { + sd_card->sd_lock_status &= ~SD_PWD_EXIST; + } +#endif + + /* ACMD42 */ + retval = + sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, SD_RSP_TYPE_R1, + NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = + sd_send_cmd_get_rsp(chip, SET_CLR_CARD_DETECT, 0, SD_RSP_TYPE_R1, + NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (support_1v8) { + /* ACMD6 */ + retval = + sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* Enable 4 bit data bus */ + retval = + sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2, SD_RSP_TYPE_R1, + NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + switch_bus_width = SD_BUS_WIDTH_4; + } else { + switch_bus_width = SD_BUS_WIDTH_1; + } + + /* Set block length 512 bytes for all block commands */ + retval = sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, + 0x200, SD_RSP_TYPE_R1, NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_WRITE_REG(chip, SD_CFG1, SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_0); + + if (!(sd_card->raw_csd[4] & 0x40)) { + sd_dont_switch = 1; + RTS51X_DEBUGP("Not support class ten\n"); + } + + if (!sd_dont_switch) { + /* Check the card whether flow SD1.1 spec or higher */ + retval = sd_check_spec(chip, switch_bus_width); + if (retval == STATUS_SUCCESS) { + retval = sd_switch_function(chip, switch_bus_width); + if (retval != STATUS_SUCCESS) { + if ((sd_card->sd_switch_fail == + SDR104_SUPPORT_MASK) + || (sd_card->sd_switch_fail == + DDR50_SUPPORT_MASK) + || (sd_card->sd_switch_fail == + SDR50_SUPPORT_MASK)) { + sd_init_power(chip); + SET_RETRY_SD20_MODE(sd_card); + } else if (sd_card->sd_switch_fail == + HS_SUPPORT_MASK) { + sd_dont_switch = 1; + } + goto Switch_Fail; + } + } else { + if (support_1v8) { + SET_RETRY_SD20_MODE(sd_card); + sd_init_power(chip); + sd_dont_switch = 1; + + goto Switch_Fail; + } + } + } + + if (!support_1v8) { + /* ACMD6 */ + retval = + sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* Enable 4 bit data bus */ + retval = + sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2, SD_RSP_TYPE_R1, + NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } +#ifdef SUPPORT_SD_LOCK + /* clear 1 bit mode status */ + sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE; +#endif + + if (CHK_SD30_SPEED(sd_card)) { + rts51x_write_register(chip, SD30_DRIVE_SEL, SD30_DRIVE_MASK, + 0x03); + + retval = sd_set_init_para(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (CHK_SD_DDR50(sd_card)) + retval = sd_ddr_tuning(chip); + else + retval = sd_sdr_tuning(chip); + + if (retval != STATUS_SUCCESS) { + SET_RETRY_SD20_MODE(sd_card); + RTS51X_DEBUGP("tuning phase fail,goto SD20 mode\n"); + sd_init_power(chip); + CLR_SD30_SPEED(sd_card); + goto Switch_Fail; + } + if (STATUS_SUCCESS == + sd_wait_currentstate_dataready(chip, 0x08, 1, 20)) { + cmd[0] = 0x40 | READ_SINGLE_BLOCK; + cmd[1] = 0x00; + cmd[2] = 0x00; + cmd[3] = 0x00; + cmd[4] = 0x00; + retval = + sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 512, + 1, SD_BUS_WIDTH_4, NULL, 0, 600); + if (retval != STATUS_SUCCESS) { + SET_RETRY_SD20_MODE(sd_card); + RTS51X_DEBUGP("read lba0 fail," + "goto SD20 mode\n"); + sd_init_power(chip); + CLR_SD30_SPEED(sd_card); + goto Switch_Fail; + } + } + } + sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, SD_RSP_TYPE_R1, + NULL, 0); + + retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + if (retval == STATUS_SUCCESS) { + int ret; + cmd[0] = 0x40 | SEND_STATUS; + cmd[1] = 0x00; + cmd[2] = 0x00; + cmd[3] = 0x00; + cmd[4] = 0x00; + ret = + sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 64, 1, + SD_BUS_WIDTH_4, buf, 64, 600); + if (ret == STATUS_SUCCESS) { + sd_card_type = ((u16) buf[2] << 8) | (u16) buf[3]; + RTS51X_DEBUGP("sd_card_type:0x%4x\n", sd_card_type); + if ((sd_card_type == 0x0001) + || (sd_card_type == 0x0002)) + chip->card_wp |= SD_CARD; + } else { + rts51x_clear_sd_error(chip); + sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + } + } else { + rts51x_clear_sd_error(chip); + sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + } + + /* Check SD Machanical Write-Protect Switch */ + retval = rts51x_get_card_status(chip, &(chip->card_status)); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (chip->card_status & SD_WP) + chip->card_wp |= SD_CARD; + + chip->card_bus_width[chip->card2lun[SD_CARD]] = 4; + +#ifdef SUPPORT_SD_LOCK + if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) { + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0x02); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 0x00); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } +#endif + + return STATUS_SUCCESS; +} + +static int mmc_test_switch_bus(struct rts51x_chip *chip, u8 width) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + u8 buf[8] = { 0 }, bus_width; + u16 byte_cnt; + int len; + + retval = + sd_send_cmd_get_rsp(chip, BUSTEST_W, 0, SD_RSP_TYPE_R1, NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (width == MMC_8BIT_BUS) { + buf[0] = 0x55; + buf[1] = 0xAA; + len = 8; + byte_cnt = 8; + bus_width = SD_BUS_WIDTH_8; + } else { + buf[0] = 0x5A; + len = 4; + byte_cnt = 4; + bus_width = SD_BUS_WIDTH_4; + } + + retval = sd_write_data(chip, SD_TM_AUTO_WRITE_3, + NULL, 0, byte_cnt, 1, bus_width, buf, len, 100); + if (retval != STATUS_SUCCESS) { + u8 val1 = 0, val2 = 0; + rts51x_ep0_read_register(chip, SD_STAT1, &val1); + rts51x_ep0_read_register(chip, SD_STAT2, &val2); + rts51x_clear_sd_error(chip); + if ((val1 & 0xE0) || val2) + TRACE_RET(chip, STATUS_FAIL); + } + RTS51X_DEBUGP("SD/MMC CMD %d\n", BUSTEST_R); + + rts51x_init_cmd(chip); + + /* CMD14 */ + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF, 0x40 | BUSTEST_R); + + if (width == MMC_8BIT_BUS) + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x08); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x04); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 1); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, + SD_CALCULATE_CRC7 | SD_NO_CHECK_CRC16 | + SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | SD_RSP_LEN_6); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + SD_TM_NORMAL_READ | SD_TRANSFER_START); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END, + SD_TRANSFER_END); + + rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2, 0, 0); + if (width == MMC_8BIT_BUS) { + len = 3; + rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 1, 0, 0); + } else { + len = 2; + } + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, len, 100); + if (CHECK_SD_TRANS_FAIL(chip, retval)) { + rts51x_clear_sd_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + + rts51x_read_rsp_buf(chip, 1, buf, 2); + + if (width == MMC_8BIT_BUS) { + RTS51X_DEBUGP("BUSTEST_R [8bits]: 0x%02x 0x%02x\n", + buf[0], buf[1]); + if ((buf[0] == 0xAA) && (buf[1] == 0x55)) { + u8 rsp[5]; + u32 arg; + + if (CHK_MMC_DDR52(sd_card)) + arg = 0x03B70600; + else + arg = 0x03B70200; + /* Switch MMC to 8-bit mode */ + retval = + sd_send_cmd_get_rsp(chip, SWITCH, arg, + SD_RSP_TYPE_R1b, rsp, 5); + if ((retval == STATUS_SUCCESS) + && !(rsp[4] & MMC_SWITCH_ERR)) + return STATUS_SUCCESS; + } + } else { + RTS51X_DEBUGP("BUSTEST_R [4bits]: 0x%02x\n", buf[0]); + if (buf[0] == 0xA5) { + u8 rsp[5]; + u32 arg; + + if (CHK_MMC_DDR52(sd_card)) + arg = 0x03B70500; + else + arg = 0x03B70100; + /* Switch MMC to 4-bit mode */ + retval = + sd_send_cmd_get_rsp(chip, SWITCH, arg, + SD_RSP_TYPE_R1b, rsp, 5); + if ((retval == STATUS_SUCCESS) + && !(rsp[4] & MMC_SWITCH_ERR)) + return STATUS_SUCCESS; + } + } + + TRACE_RET(chip, STATUS_FAIL); +} + +static int mmc_switch_timing_bus(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + u8 card_type, card_type_mask = 0; + u8 buf[6]; + + CLR_MMC_HS(sd_card); + + RTS51X_DEBUGP("SD/MMC CMD %d\n", SEND_EXT_CSD); + + rts51x_init_cmd(chip); + + /* SEND_EXT_CSD command */ + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF, + 0x40 | SEND_EXT_CSD); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF, 0); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 2); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 1); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, + SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END + | SD_CHECK_CRC7 | SD_RSP_LEN_6); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + SD_TM_NORMAL_READ | SD_TRANSFER_START); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END, + SD_TRANSFER_END); + + rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 196, 0xFF, 0); + rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 212, 0xFF, 0); + rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 213, 0xFF, 0); + rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 214, 0xFF, 0); + rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 215, 0xFF, 0); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 6, 1000); + + if (CHECK_SD_TRANS_FAIL(chip, retval)) { + if (retval == STATUS_TIMEDOUT) { + rts51x_clear_sd_error(chip); + sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + } + TRACE_RET(chip, STATUS_FAIL); + } + + rts51x_read_rsp_buf(chip, 0, buf, 6); + + if (buf[0] & SD_TRANSFER_ERR) { + sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + TRACE_RET(chip, STATUS_FAIL); + } + if (CHK_MMC_SECTOR_MODE(sd_card)) + sd_card->capacity = + ((u32) buf[5] << 24) | ((u32) buf[4] << 16) | + ((u32) buf[3] << 8) | ((u32) buf[2]); +#ifdef SUPPORT_SD_LOCK + if (!(sd_card->sd_lock_status & SD_SDR_RST) && CHECK_UHS50(chip)) + card_type_mask = 0x07; + else + card_type_mask = 0x03; +#else + if (CHECK_UHS50(chip)) + card_type_mask = 0x07; + else + card_type_mask = 0x03; +#endif + + card_type = buf[1] & card_type_mask; + if (card_type) { + /* CARD TYPE FIELD = DDR52MHz, 52MHz or 26MHz */ + u8 rsp[5]; + + if (card_type & 0x04) + SET_MMC_DDR52(sd_card); + else if (card_type & 0x02) + SET_MMC_52M(sd_card); + else + SET_MMC_26M(sd_card); + + retval = + sd_send_cmd_get_rsp(chip, SWITCH, 0x03B90100, + SD_RSP_TYPE_R1b, rsp, 5); + if ((retval != STATUS_SUCCESS) || (rsp[4] & MMC_SWITCH_ERR)) + CLR_MMC_HS(sd_card); + } + sd_choose_proper_clock(chip); + retval = switch_clock(chip, sd_card->sd_clock); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + /* Test Bus Procedure */ + if (mmc_test_switch_bus(chip, MMC_8BIT_BUS) == STATUS_SUCCESS) { + SET_MMC_8BIT(sd_card); + chip->card_bus_width[chip->card2lun[SD_CARD]] = 8; +#ifdef SUPPORT_SD_LOCK + sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE; +#endif + } else if (mmc_test_switch_bus(chip, MMC_4BIT_BUS) == STATUS_SUCCESS) { + SET_MMC_4BIT(sd_card); + chip->card_bus_width[chip->card2lun[SD_CARD]] = 4; +#ifdef SUPPORT_SD_LOCK + sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE; +#endif + } else { + CLR_MMC_8BIT(sd_card); + CLR_MMC_4BIT(sd_card); + } + + return STATUS_SUCCESS; +} + +static int reset_mmc(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval, i = 0, j = 0, k = 0; + u8 rsp[16]; + u8 spec_ver = 0; + u8 change_to_ddr52 = 1; + u8 cmd[5]; + +#ifdef SUPPORT_SD_LOCK + if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) + goto MMC_UNLOCK_ENTRY; +#endif + +MMC_DDR_FAIL: + + retval = sd_prepare_reset(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + SET_MMC(sd_card); + +RTY_MMC_RST: + retval = + sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0, NULL, + 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + do { + { + u8 temp = 0; + rts51x_read_register(chip, CARD_INT_PEND, &temp); + if (temp & SD_INT) { + chip->reset_need_retry = 1; + rts51x_write_register(chip, CARD_INT_PEND, + XD_INT | SD_INT | MS_INT, + XD_INT | SD_INT | MS_INT); + sd_set_reset_fail(chip, MMC_RESET_FAIL); + TRACE_RET(chip, STATUS_FAIL); + } + } + + /* CMD 1 */ + retval = sd_send_cmd_get_rsp(chip, SEND_OP_COND, + (SUPPORT_VOLTAGE | 0x40000000), + SD_RSP_TYPE_R3, rsp, 5); + if (retval != STATUS_SUCCESS) { + if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) { + sd_set_reset_fail(chip, MMC_RESET_FAIL); + TRACE_RET(chip, STATUS_FAIL); + } + + if (sd_check_err_code(chip, SD_BUSY) + || sd_check_err_code(chip, SD_TO_ERR)) { + k++; + if (k < 20) { + sd_clr_err_code(chip); + goto RTY_MMC_RST; + } else { + TRACE_RET(chip, STATUS_FAIL); + } + } else { + j++; + if (j < 100) { + sd_clr_err_code(chip); + goto RTY_MMC_RST; + } else { + TRACE_RET(chip, STATUS_FAIL); + } + } + } + + wait_timeout(20); + i++; + } while (!(rsp[1] & 0x80) && (i < 100)); /* Not complete power on */ + + if (i == 100) { + /* Time out */ + TRACE_RET(chip, STATUS_FAIL); + } + + if ((rsp[1] & 0x60) == 0x40) + SET_MMC_SECTOR_MODE(sd_card); + else + CLR_MMC_SECTOR_MODE(sd_card); + + /* CMD 2 */ + retval = + sd_send_cmd_get_rsp(chip, ALL_SEND_CID, 0, SD_RSP_TYPE_R2, NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + /* CMD 3 */ + sd_card->sd_addr = 0x00100000; + retval = + sd_send_cmd_get_rsp(chip, SET_RELATIVE_ADDR, sd_card->sd_addr, + SD_RSP_TYPE_R6, rsp, 5); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + /* Get CSD register for Calculating Timing,Capacity + * Check CSD to determaine as if this is the SD ROM card */ + retval = sd_check_csd(chip, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + /* Get MMC Spec_Ver in the CSD register */ + spec_ver = (sd_card->raw_csd[0] & 0x3C) >> 2; + + /* Select MMC card */ + retval = sd_select_card(chip, 1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + /* Set block length 512 bytes for all block commands */ + retval = + sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, SD_RSP_TYPE_R1, NULL, + 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); +#ifdef SUPPORT_SD_LOCK +MMC_UNLOCK_ENTRY: + /* Get SD lock status */ + retval = sd_update_lock_status(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); +#endif + + RTS51X_WRITE_REG(chip, SD_CFG1, SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_0); + + if (chip->ic_version < 2) + rts51x_write_register(chip, SD30_DRIVE_SEL, SD30_DRIVE_MASK, + 0x02); + rts51x_write_register(chip, CARD_DRIVE_SEL, SD20_DRIVE_MASK, DRIVE_8mA); + + chip->card_bus_width[chip->card2lun[SD_CARD]] = 1; + if (spec_ver == 4) { + /* MMC 4.x Cards */ + (void)mmc_switch_timing_bus(chip); + } + + if (CHK_MMC_SECTOR_MODE(sd_card) && (sd_card->capacity == 0)) + TRACE_RET(chip, STATUS_FAIL); + + if (CHK_MMC_DDR52(sd_card) && change_to_ddr52) { + /* Card is extracted while identifying */ + if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) + TRACE_RET(chip, STATUS_FAIL); + + retval = sd_set_init_para(chip); + if (retval != STATUS_SUCCESS) { + CLR_MMC_DDR52(sd_card); + sd_init_power(chip); + change_to_ddr52 = 0; + goto MMC_DDR_FAIL; + } + + retval = mmc_ddr_tuning(chip); + if (retval != STATUS_SUCCESS) { + CLR_MMC_DDR52(sd_card); + sd_init_power(chip); + change_to_ddr52 = 0; + goto MMC_DDR_FAIL; + } + + if (STATUS_SUCCESS == + sd_wait_currentstate_dataready(chip, 0x08, 1, 20)) { + cmd[0] = 0x40 | READ_SINGLE_BLOCK; + cmd[1] = 0x00; + cmd[2] = 0x00; + cmd[3] = 0x00; + cmd[4] = 0x00; + if (CHK_MMC_8BIT(sd_card)) { + retval = + sd_read_data(chip, SD_TM_NORMAL_READ, cmd, + 5, 512, 1, SD_BUS_WIDTH_8, + NULL, 0, 600); + } else if (CHK_MMC_4BIT(sd_card)) { + retval = + sd_read_data(chip, SD_TM_NORMAL_READ, cmd, + 5, 512, 1, SD_BUS_WIDTH_4, + NULL, 0, 600); + } else { + retval = + sd_read_data(chip, SD_TM_NORMAL_READ, cmd, + 5, 512, 1, SD_BUS_WIDTH_1, + NULL, 0, 600); + } + + if (retval != STATUS_SUCCESS) { + CLR_MMC_DDR52(sd_card); + change_to_ddr52 = 0; + RTS51X_DEBUGP("read lba0 fail," + "goto SD20 mode\n"); + sd_init_power(chip); + goto MMC_DDR_FAIL; + } + } + } +#ifdef SUPPORT_SD_LOCK + if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) { + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0x02); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 0x00); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } +#endif + + retval = rts51x_get_card_status(chip, &(chip->card_status)); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (chip->card_status & SD_WP) + chip->card_wp |= SD_CARD; + + return STATUS_SUCCESS; +} + +int reset_sd_card(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + int i; + + memset(sd_card, 0, sizeof(struct sd_info)); + + /* Init variables */ + sd_card->sd_type = 0; + sd_card->seq_mode = 0; + sd_card->sd_data_buf_ready = 0; + sd_card->capacity = 0; + sd_card->sd_switch_fail = 0; + +#ifdef SUPPORT_SD_LOCK + sd_card->sd_lock_status = 0; + sd_card->sd_erase_status = 0; +#endif + + sd_clear_reset_fail(chip); + enable_card_clock(chip, SD_CARD); + + sd_init_power(chip); + + chip->reset_need_retry = 0; + for (i = 0; i < 3; i++) { + if (!chip->option.reset_mmc_first) { /* reset sd first */ + retval = reset_sd(chip); + if (retval != STATUS_SUCCESS) { + /* Switch SD bus to 3V3 signal */ + RTS51X_WRITE_REG(chip, SD_PAD_CTL, + SD_IO_USING_1V8, 0); + if (sd_check_reset_fail(chip, SD_RESET_FAIL)) + sd_clear_reset_fail(chip); + else + retval = reset_mmc(chip); + } + } else { /* reset MMC first */ + retval = reset_mmc(chip); + if (retval != STATUS_SUCCESS) { + if (sd_check_reset_fail(chip, MMC_RESET_FAIL)) { + sd_clear_reset_fail(chip); + } else { + retval = reset_sd(chip); + if (retval != STATUS_SUCCESS) { + /* Switch SD bus to + * 3V3 signal */ + RTS51X_WRITE_REG(chip, + SD_PAD_CTL, + SD_IO_USING_1V8, 0); + } + } + } + } + + if ((retval == STATUS_SUCCESS) || (!chip->reset_need_retry)) { + /* if reset success or don't need retry,then break */ + break; + } + if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) { + /* card is extracted */ + break; + } + RTS51X_DEBUGP("retry reset sd card,%d\n", i); + chip->reset_need_retry = 0; + } + + sd_clear_reset_fail(chip); + chip->reset_need_retry = 0; + + if (retval == STATUS_SUCCESS) { + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, SD_CLK_DIVIDE_MASK, + SD_CLK_DIVIDE_0); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 2); + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } else { + chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity = 0; + if (chip->option.reset_or_rw_fail_set_pad_drive) { + rts51x_write_register(chip, CARD_DRIVE_SEL, + SD20_DRIVE_MASK, DRIVE_8mA); + } + TRACE_RET(chip, STATUS_FAIL); + } + + chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity; + + if (chip->option.sd_send_status_en) { + sd_card->sd_send_status_en = 1; + } else { + if (sd_card->capacity > 0x20000) { /* 64MB */ + sd_card->sd_send_status_en = 0; + } else { + sd_card->sd_send_status_en = 1; + } + } + RTS51X_DEBUGP("sd_card->sd_send_status = %d\n", + sd_card->sd_send_status_en); + + retval = sd_set_init_para(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_DEBUGP("sd_card->sd_type = 0x%x\n", sd_card->sd_type); + + return STATUS_SUCCESS; +} + +#define WAIT_DATA_READY_RTY_CNT 255 + +static int wait_data_buf_ready(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int i, retval; + + for (i = 0; i < WAIT_DATA_READY_RTY_CNT; i++) { + if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) + TRACE_RET(chip, STATUS_FAIL); + + sd_card->sd_data_buf_ready = 0; + + retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, + sd_card->sd_addr, SD_RSP_TYPE_R1, + NULL, 0); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (sd_card->sd_data_buf_ready) + return sd_send_cmd_get_rsp(chip, SEND_STATUS, + sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0); + } + + sd_set_err_code(chip, SD_TO_ERR); + + TRACE_RET(chip, STATUS_FAIL); +} + +void sd_stop_seq_mode(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + + if (sd_card->seq_mode) { + retval = sd_switch_clock(chip); + if (retval != STATUS_SUCCESS) + return; + + retval = sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0, + SD_RSP_TYPE_R1b, NULL, 0); + if (retval != STATUS_SUCCESS) + sd_set_err_code(chip, SD_STS_ERR); + sd_card->seq_mode = 0; + + rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH, + FIFO_FLUSH); + } +} + +static inline int sd_auto_tune_clock(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + + if (chip->asic_code) { + if (sd_card->sd_clock > 30) + sd_card->sd_clock -= 20; + } else { + if (sd_card->sd_clock == CLK_100) + sd_card->sd_clock = CLK_80; + else if (sd_card->sd_clock == CLK_80) + sd_card->sd_clock = CLK_60; + else if (sd_card->sd_clock == CLK_60) + sd_card->sd_clock = CLK_50; + } + + retval = sd_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +int sd_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector, + u16 sector_cnt) +{ + struct sd_info *sd_card = &(chip->sd_card); + u32 data_addr; + int retval; + u8 flag; + unsigned int pipe; + u8 stageflag; + + sd_card->counter = 0; + + if (!CHK_SD_HCXC(sd_card) && !CHK_MMC_SECTOR_MODE(sd_card)) + data_addr = start_sector << 9; + else + data_addr = start_sector; + + RTS51X_DEBUGP("sd_rw, data_addr = 0x%x\n", data_addr); + + sd_clr_err_code(chip); + + retval = sd_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (sd_card->seq_mode && ((sd_card->pre_dir != srb->sc_data_direction) + || + ((sd_card->pre_sec_addr + + sd_card->pre_sec_cnt) != start_sector))) { + if ((sd_card->pre_dir == DMA_FROM_DEVICE) + && !CHK_SD30_SPEED(sd_card) + && !CHK_SD_HS(sd_card) + && !CHK_MMC_HS(sd_card) + && sd_card->sd_send_status_en) { + sd_send_cmd_get_rsp(chip, SEND_STATUS, + sd_card->sd_addr, SD_RSP_TYPE_R1, + NULL, 0); + } + + retval = + sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0, + SD_RSP_TYPE_R1b, NULL, 0); + if (retval != STATUS_SUCCESS) { + sd_set_err_code(chip, SD_STS_ERR); + TRACE_RET(chip, sd_parse_err_code(chip)); + } + + sd_card->seq_mode = 0; + + RTS51X_WRITE_REG(chip, MC_FIFO_CTL, FIFO_FLUSH, FIFO_FLUSH); + + if (!CHK_SD30_SPEED(sd_card) + && !CHK_SD_HS(sd_card) + && !CHK_MMC_HS(sd_card) + && sd_card->sd_send_status_en) { + /* random rw, so pre_sec_cnt < 0x80 */ + sd_send_cmd_get_rsp(chip, SEND_STATUS, + sd_card->sd_addr, SD_RSP_TYPE_R1, + NULL, 0); + } + } + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 0x02); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, + (u8) sector_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, + (u8) (sector_cnt >> 8)); + + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + RING_BUFFER); + + if (CHK_MMC_8BIT(sd_card)) + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03, + SD_BUS_WIDTH_8); + else if (CHK_MMC_4BIT(sd_card) || CHK_SD(sd_card)) + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03, + SD_BUS_WIDTH_4); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03, + SD_BUS_WIDTH_1); + + if (sd_card->seq_mode) { + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, + SD_NO_CALCULATE_CRC7 | SD_CHECK_CRC16 | + SD_NO_WAIT_BUSY_END | SD_NO_CHECK_CRC7 | + SD_RSP_LEN_0); + + trans_dma_enable(srb->sc_data_direction, chip, sector_cnt * 512, + DMA_512); + + if (srb->sc_data_direction == DMA_FROM_DEVICE) { + flag = MODE_CDIR; + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + SD_TM_AUTO_READ_3 | SD_TRANSFER_START); + } else { + flag = MODE_CDOR; + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START); + } + + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, + SD_TRANSFER_END, SD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, flag, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } else { + if (srb->sc_data_direction == DMA_FROM_DEVICE) { + RTS51X_DEBUGP("SD/MMC CMD %d\n", READ_MULTIPLE_BLOCK); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF, + 0x40 | READ_MULTIPLE_BLOCK); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF, + (u8) (data_addr >> 24)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF, + (u8) (data_addr >> 16)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF, + (u8) (data_addr >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF, + (u8) data_addr); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, + SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | + SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | + SD_RSP_LEN_6); + + trans_dma_enable(srb->sc_data_direction, chip, + sector_cnt * 512, DMA_512); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + SD_TM_AUTO_READ_2 | SD_TRANSFER_START); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, + SD_TRANSFER_END, SD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CDIR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } else { + retval = rts51x_send_cmd(chip, MODE_C, 50); + if (retval != STATUS_SUCCESS) { + rts51x_clear_sd_error(chip); + + sd_set_err_code(chip, SD_TO_ERR); + TRACE_RET(chip, sd_parse_err_code(chip)); + } + + retval = wait_data_buf_ready(chip); + if (retval != STATUS_SUCCESS) { + sd_set_err_code(chip, SD_TO_ERR); + TRACE_RET(chip, sd_parse_err_code(chip)); + } + + retval = sd_send_cmd_get_rsp(chip, WRITE_MULTIPLE_BLOCK, + data_addr, SD_RSP_TYPE_R1, + NULL, 0); + if (retval != STATUS_SUCCESS) { + sd_set_err_code(chip, SD_CRC_ERR); + TRACE_RET(chip, sd_parse_err_code(chip)); + } + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, + SD_NO_CALCULATE_CRC7 | SD_CHECK_CRC16 | + SD_NO_WAIT_BUSY_END | SD_NO_CHECK_CRC7 | + SD_RSP_LEN_0); + + trans_dma_enable(srb->sc_data_direction, chip, + sector_cnt * 512, DMA_512); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, + SD_TRANSFER_END, SD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CDOR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + sd_card->seq_mode = 1; + } + + if (srb->sc_data_direction == DMA_FROM_DEVICE) { + pipe = RCV_BULK_PIPE(chip); + stageflag = STAGE_DI; + } else { + pipe = SND_BULK_PIPE(chip); + stageflag = STAGE_DO; + } + + retval = + rts51x_transfer_data_rcc(chip, pipe, scsi_sglist(srb), + scsi_bufflen(srb), scsi_sg_count(srb), + NULL, 10000, stageflag); + if (retval != STATUS_SUCCESS) { + u8 stat = 0; + int err = retval; + + sd_print_debug_reg(chip); + + rts51x_ep0_read_register(chip, SD_STAT1, &stat); + RTS51X_DEBUGP("SD_STAT1: 0x%x\n", stat); + + rts51x_clear_sd_error(chip); + + retval = + sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0, + SD_RSP_TYPE_R1b, NULL, 0); + if (retval != STATUS_SUCCESS) { + sd_set_err_code(chip, SD_STS_ERR); + TRACE_RET(chip, retval); + } + + if (stat & (SD_CRC7_ERR | SD_CRC16_ERR | SD_CRC_WRITE_ERR)) { + RTS51X_DEBUGP("SD CRC error, tune clock!\n"); + sd_auto_tune_clock(chip); + } + + sd_card->seq_mode = 0; + + TRACE_RET(chip, err); + } + retval = rts51x_get_rsp(chip, 1, 2000); + if (CHECK_SD_TRANS_FAIL(chip, retval)) { + rts51x_clear_sd_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + + sd_card->pre_sec_addr = start_sector; + sd_card->pre_sec_cnt = sector_cnt; + sd_card->pre_dir = srb->sc_data_direction; + + return STATUS_SUCCESS; +} + +void sd_cleanup_work(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + + if (sd_card->seq_mode) { + RTS51X_DEBUGP("SD: stop transmission\n"); + sd_stop_seq_mode(chip); + sd_card->counter = 0; + } +} + +inline void sd_fill_power_off_card3v3(struct rts51x_chip *chip) +{ + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, SD_CLK_EN, 0); + + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, SD_OUTPUT_EN, 0); + if (!chip->option.FT2_fast_mode) { +#ifdef SD_XD_IO_FOLLOW_PWR + if (CHECK_PKG(chip, LQFP48) + || chip->option.rts5129_D3318_off_enable) + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, + POWER_MASK | LDO_OFF, + POWER_OFF | LDO_OFF); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, + POWER_MASK, POWER_OFF); +#else + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK, + POWER_OFF); +#endif + } +} + +int sd_power_off_card3v3(struct rts51x_chip *chip) +{ + int retval; + + rts51x_init_cmd(chip); + + sd_fill_power_off_card3v3(chip); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); +#ifdef SD_XD_IO_FOLLOW_PWR + if (!chip->option.FT2_fast_mode) + wait_timeout(chip->option.D3318_off_delay); +#endif + + return STATUS_SUCCESS; +} + +int release_sd_card(struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + + RTS51X_DEBUGP("elease_sd_card\n"); + + chip->card_ready &= ~SD_CARD; + chip->card_fail &= ~SD_CARD; + chip->card_wp &= ~SD_CARD; + +#ifdef SUPPORT_SD_LOCK + sd_card->sd_lock_status = 0; + sd_card->sd_erase_status = 0; +#endif + + memset(sd_card->raw_csd, 0, 16); + memset(sd_card->raw_scr, 0, 8); + + rts51x_write_register(chip, SFSM_ED, HW_CMD_STOP, HW_CMD_STOP); + rts51x_write_register(chip, SD_PAD_CTL, SD_IO_USING_1V8, 0); + if (CHECK_PKG(chip, LQFP48) || chip->option.rts5129_D3318_off_enable) + sd_power_off_card3v3(chip); + + rts51x_init_cmd(chip); + if (!(CHECK_PKG(chip, LQFP48) || chip->option.rts5129_D3318_off_enable)) + sd_fill_power_off_card3v3(chip); + + if (chip->asic_code) + sd_pull_ctl_disable(chip); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, + FPGA_SD_PULL_CTL_BIT | 0x20, + FPGA_SD_PULL_CTL_BIT); + + /* Switch LDO3318 to 3.3V */ + rts51x_add_cmd(chip, WRITE_REG_CMD, LDO_POWER_CFG, TUNE_SD18_MASK, + TUNE_SD18_3V3); + + if (CHK_MMC_DDR52(sd_card) && CHK_MMC_8BIT(sd_card)) + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DMA1_CTL, + EXTEND_DMA1_ASYNC_SIGNAL, + EXTEND_DMA1_ASYNC_SIGNAL); + if (CHK_SD30_SPEED(sd_card) || CHK_MMC(sd_card)) + rts51x_add_cmd(chip, WRITE_REG_CMD, SD30_DRIVE_SEL, + SD30_DRIVE_MASK, chip->option.sd30_pad_drive); + /* Suspend LDO3318 */ + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, LDO3318_PWR_MASK, + LDO_SUSPEND); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + wait_timeout(20); + + return STATUS_SUCCESS; +} diff --git a/drivers/staging/rts5139/sd.h b/drivers/staging/rts5139/sd.h new file mode 100644 index 0000000..0805edc --- /dev/null +++ b/drivers/staging/rts5139/sd.h @@ -0,0 +1,304 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_SD_H +#define __RTS51X_SD_H + +#include "rts51x_chip.h" + +#define SD_MAX_RETRY_COUNT 3 + +#define SUPPORT_VOLTAGE 0x003C0000 + +#define SD_RESET_FAIL 0x01 +#define MMC_RESET_FAIL 0x02 + +/* Error Code */ +#define SD_NO_ERROR 0x0 +#define SD_CRC_ERR 0x80 +#define SD_TO_ERR 0x40 +#define SD_NO_CARD 0x20 +#define SD_BUSY 0x10 +#define SD_STS_ERR 0x08 +#define SD_RSP_TIMEOUT 0x04 + +/* MMC/SD Command Index */ +/* Basic command (class 0) */ +#define GO_IDLE_STATE 0 +#define SEND_OP_COND 1 /* reserved for SD */ +#define ALL_SEND_CID 2 +#define SET_RELATIVE_ADDR 3 +#define SEND_RELATIVE_ADDR 3 +#define SET_DSR 4 +#define IO_SEND_OP_COND 5 +#define SWITCH 6 +#define SELECT_CARD 7 +#define DESELECT_CARD 7 +/* CMD8 is "SEND_EXT_CSD" for MMC4.x Spec + * while is "SEND_IF_COND" for SD 2.0 */ +#define SEND_EXT_CSD 8 +#define SEND_IF_COND 8 +/* end */ +#define SEND_CSD 9 +#define SEND_CID 10 +#define VOLTAGE_SWITCH 11 +#define READ_DAT_UTIL_STOP 11 /* reserved for SD */ +#define STOP_TRANSMISSION 12 +#define SEND_STATUS 13 +#define GO_INACTIVE_STATE 15 + +/* Block oriented read commands (class 2) */ +#define SET_BLOCKLEN 16 +#define READ_SINGLE_BLOCK 17 +#define READ_MULTIPLE_BLOCK 18 +#define SEND_TUNING_PATTERN 19 + +/* Bus Width Test */ +#define BUSTEST_R 14 +#define BUSTEST_W 19 +/* end */ + +/* Block oriented write commands (class 4) */ +#define WRITE_BLOCK 24 +#define WRITE_MULTIPLE_BLOCK 25 +#define PROGRAM_CSD 27 + +/* Erase commands */ +#define ERASE_WR_BLK_START 32 +#define ERASE_WR_BLK_END 33 +#define ERASE_CMD 38 + +/* Block Oriented Write Protection Commands */ +#define LOCK_UNLOCK 42 + +#define IO_RW_DIRECT 52 + +/* Application specific commands (class 8) */ +#define APP_CMD 55 +#define GEN_CMD 56 + +/* SD Application command Index */ +#define SET_BUS_WIDTH 6 +#define SD_STATUS 13 +#define SEND_NUM_WR_BLOCKS 22 +#define SET_WR_BLK_ERASE_COUNT 23 +#define SD_APP_OP_COND 41 +#define SET_CLR_CARD_DETECT 42 +#define SEND_SCR 51 + +/* SD TIMEOUT function return error */ +#define SD_READ_COMPLETE 0x00 +#define SD_READ_TO 0x01 +#define SD_READ_ADVENCE 0x02 + +/* SD v1.1 CMD6 SWITCH function */ +#define SD_CHECK_MODE 0x00 +#define SD_SWITCH_MODE 0x80 +#define SD_FUNC_GROUP_1 0x01 +#define SD_FUNC_GROUP_2 0x02 +#define SD_FUNC_GROUP_3 0x03 +#define SD_FUNC_GROUP_4 0x04 +#define SD_CHECK_SPEC_V1_1 0xFF + +/* SD Command Argument */ +#define NO_ARGUMENT 0x00 +#define CHECK_PATTERN 0x000000AA +#define VOLTAGE_SUPPLY_RANGE 0x00000100 /* 2.7~3.6V */ +#define SUPPORT_HIGH_AND_EXTENDED_CAPACITY 0x40000000 +#define SUPPORT_MAX_POWER_PERMANCE 0x10000000 +#define SUPPORT_1V8 0x01000000 + +/* Switch Command Error Code */ +#define SWTICH_NO_ERR 0x00 +#define CARD_NOT_EXIST 0x01 +#define SPEC_NOT_SUPPORT 0x02 +#define CHECK_MODE_ERR 0x03 +#define CHECK_NOT_READY 0x04 +#define SWITCH_CRC_ERR 0x05 +#define SWITCH_MODE_ERR 0x06 +#define SWITCH_PASS 0x07 + +#ifdef SUPPORT_SD_LOCK +/* CMD42 Parameter */ +#define SD_ERASE 0x08 +#define SD_LOCK 0x04 +#define SD_UNLOCK 0x00 +#define SD_CLR_PWD 0x02 +#define SD_SET_PWD 0x01 + +#define SD_PWD_LEN 0x10 + +/* SD lock unlock Status */ +#define SD_LOCKED 0x80 /* Global lock status */ +#define SD_LOCK_1BIT_MODE 0x40 /**/ +#define SD_PWD_EXIST 0x20 +#define SD_UNLOCK_POW_ON 0x01 /**/ +#define SD_SDR_RST 0x02 /* Reset SD30 card with current DDR mode to SDR mode. */ +/* g_bySDEraseStatus */ +#define SD_NOT_ERASE 0x00 +#define SD_UNDER_ERASING 0x01 +#define SD_COMPLETE_ERASE 0x02 +/* SD_RW FAIL status */ +#define SD_RW_FORBIDDEN 0x0F /* read/write is forbidden (SD card) */ +#endif +/* Function Group Definition */ +/* Function Group 1 */ +#define HS_SUPPORT 0x01 +#define SDR50_SUPPORT 0x02 +#define SDR104_SUPPORT 0x03 +#define DDR50_SUPPORT 0x04 +#define HS_SUPPORT_MASK 0x02 +#define SDR50_SUPPORT_MASK 0x04 +#define SDR104_SUPPORT_MASK 0x08 +#define DDR50_SUPPORT_MASK 0x10 +#define HS_QUERY_SWITCH_OK 0x01 +#define SDR50_QUERY_SWITCH_OK 0x02 +#define SDR104_QUERY_SWITCH_OK 0x03 +#define DDR50_QUERY_SWITCH_OK 0x04 +#define HS_SWITCH_BUSY 0x02 +#define SDR50_SWITCH_BUSY 0x04 +#define SDR104_SWITCH_BUSY 0x08 +#define DDR50_SWITCH_BUSY 0x10 +#define FUNCTION_GROUP1_SUPPORT_OFFSET 0x0D +#define FUNCTION_GROUP1_QUERY_SWITCH_OFFSET 0x10 +#define FUNCTION_GROUP1_CHECK_BUSY_OFFSET 0x1D +/* Function Group 3 */ +#define DRIVING_TYPE_A 0x01 +#define DRIVING_TYPE_B 0x00 +#define DRIVING_TYPE_C 0x02 +#define DRIVING_TYPE_D 0x03 +#define DRIVING_TYPE_A_MASK 0x02 +#define DRIVING_TYPE_B_MASK 0x01 +#define DRIVING_TYPE_C_MASK 0x04 +#define DRIVING_TYPE_D_MASK 0x08 +#define TYPE_A_QUERY_SWITCH_OK 0x01 +#define TYPE_B_QUERY_SWITCH_OK 0x00 +#define TYPE_C_QUERY_SWITCH_OK 0x02 +#define TYPE_D_QUERY_SWITCH_OK 0x03 +#define TYPE_A_SWITCH_BUSY 0x02 +#define TYPE_B_SWITCH_BUSY 0x01 +#define TYPE_C_SWITCH_BUSY 0x04 +#define TYPE_D_SWITCH_BUSY 0x08 +#define FUNCTION_GROUP3_SUPPORT_OFFSET 0x09 +#define FUNCTION_GROUP3_QUERY_SWITCH_OFFSET 0x0F +#define FUNCTION_GROUP3_CHECK_BUSY_OFFSET 0x19 +/* Function Group 4 */ +#define CURRENT_LIMIT_200 0x00 +#define CURRENT_LIMIT_400 0x01 +#define CURRENT_LIMIT_600 0x02 +#define CURRENT_LIMIT_800 0x03 +#define CURRENT_LIMIT_200_MASK 0x01 +#define CURRENT_LIMIT_400_MASK 0x02 +#define CURRENT_LIMIT_600_MASK 0x04 +#define CURRENT_LIMIT_800_MASK 0x08 +#define CURRENT_LIMIT_200_QUERY_SWITCH_OK 0x00 +#define CURRENT_LIMIT_400_QUERY_SWITCH_OK 0x01 +#define CURRENT_LIMIT_600_QUERY_SWITCH_OK 0x02 +#define CURRENT_LIMIT_800_QUERY_SWITCH_OK 0x03 +#define CURRENT_LIMIT_200_SWITCH_BUSY 0x01 +#define CURRENT_LIMIT_400_SWITCH_BUSY 0x02 +#define CURRENT_LIMIT_600_SWITCH_BUSY 0x04 +#define CURRENT_LIMIT_800_SWITCH_BUSY 0x08 +#define FUNCTION_GROUP4_SUPPORT_OFFSET 0x07 +#define FUNCTION_GROUP4_QUERY_SWITCH_OFFSET 0x0F +#define FUNCTION_GROUP4_CHECK_BUSY_OFFSET 0x17 +/* Switch Function Status Offset */ +#define DATA_STRUCTURE_VER_OFFSET 0x11 /* The high offset */ +#define MAX_PHASE 15 +/* #define TOTAL_READ_PHASE 0x20 */ +/* #define TOTAL_WRITE_PHASE 0x20 */ +/* MMC v4.0 */ +/* #define MMC_52MHZ_SPEED 0x0001 */ +/* #define MMC_26MHZ_SPEED 0x0002 */ +#define MMC_8BIT_BUS 0x0010 +#define MMC_4BIT_BUS 0x0020 +/* #define MMC_SECTOR_MODE 0x0100 */ +#define MMC_SWITCH_ERR 0x80 +/* Tuning direction RX or TX */ +#define TUNE_TX 0x00 +#define TUNE_RX 0x01 +/* For Change_DCM_FreqMode Function */ +#define CHANGE_TX 0x00 +#define CHANGE_RX 0x01 +#define DCM_HIGH_FREQUENCY_MODE 0x00 +#define DCM_LOW_FREQUENCY_MODE 0x01 +#define DCM_HIGH_FREQUENCY_MODE_SET 0x0C +#define DCM_Low_FREQUENCY_MODE_SET 0x00 +/* For Change_FPGA_SSCClock Function */ +#define MULTIPLY_BY_1 0x00 +#define MULTIPLY_BY_2 0x01 +#define MULTIPLY_BY_3 0x02 +#define MULTIPLY_BY_4 0x03 +#define MULTIPLY_BY_5 0x04 +#define MULTIPLY_BY_6 0x05 +#define MULTIPLY_BY_7 0x06 +#define MULTIPLY_BY_8 0x07 +#define MULTIPLY_BY_9 0x08 +#define MULTIPLY_BY_10 0x09 +#define DIVIDE_BY_2 0x01 +#define DIVIDE_BY_3 0x02 +#define DIVIDE_BY_4 0x03 +#define DIVIDE_BY_5 0x04 +#define DIVIDE_BY_6 0x05 +#define DIVIDE_BY_7 0x06 +#define DIVIDE_BY_8 0x07 +#define DIVIDE_BY_9 0x08 +#define DIVIDE_BY_10 0x09 +#define CHECK_SD_TRANS_FAIL(chip, retval) \ + (((retval) != STATUS_SUCCESS) || \ + (chip->rsp_buf[0] & SD_TRANSFER_ERR)) +/* SD Tuning Data Structure */ +/* Record continuous timing phase path */ +struct timing_phase_path { + int start; + int end; + int mid; + int len; +}; + +int sd_select_card(struct rts51x_chip *chip, int select); +int reset_sd_card(struct rts51x_chip *chip); +int sd_switch_clock(struct rts51x_chip *chip); +void sd_stop_seq_mode(struct rts51x_chip *chip); +int sd_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector, + u16 sector_cnt); +void sd_cleanup_work(struct rts51x_chip *chip); +int sd_power_off_card3v3(struct rts51x_chip *chip); +int release_sd_card(struct rts51x_chip *chip); + +#ifdef SUPPORT_SD_LOCK +int sd_update_lock_status(struct rts51x_chip *chip); +#endif + +#ifdef SUPPORT_CPRM +extern int reset_sd(struct rts51x_chip *chip); +extern int sd_check_data0_status(struct rts51x_chip *chip); +extern int sd_read_data(struct rts51x_chip *chip, u8 trans_mode, u8 *cmd, + int cmd_len, u16 byte_cnt, u16 blk_cnt, u8 bus_width, + u8 *buf, int buf_len, int timeout); +#endif + +#endif /* __RTS51X_SD_H */ diff --git a/drivers/staging/rts5139/sd_cprm.c b/drivers/staging/rts5139/sd_cprm.c new file mode 100644 index 0000000..407cd43 --- /dev/null +++ b/drivers/staging/rts5139/sd_cprm.c @@ -0,0 +1,1215 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#include <linux/blkdev.h> +#include <linux/kthread.h> +#include <linux/sched.h> +#include <linux/slab.h> + +#include "debug.h" +#include "trace.h" +#include "rts51x.h" +#include "rts51x_transport.h" +#include "rts51x_scsi.h" +#include "rts51x_card.h" +#include "rts51x_chip.h" +#include "sd.h" + +#ifdef SUPPORT_CPRM + +static inline int get_rsp_type(u8 rsp_code, u8 *rsp_type, int *rsp_len) +{ + if (!rsp_type || !rsp_len) + return STATUS_FAIL; + + switch (rsp_code) { + case 0x03: + *rsp_type = SD_RSP_TYPE_R0; /* no response */ + *rsp_len = 0; + break; + + case 0x04: + *rsp_type = SD_RSP_TYPE_R1; /* R1,R6(,R4,R5) */ + *rsp_len = 6; + break; + + case 0x05: + *rsp_type = SD_RSP_TYPE_R1b; /* R1b */ + *rsp_len = 6; + break; + + case 0x06: + *rsp_type = SD_RSP_TYPE_R2; /* R2 */ + *rsp_len = 17; + break; + + case 0x07: + *rsp_type = SD_RSP_TYPE_R3; /* R3 */ + *rsp_len = 6; + break; + + default: + return STATUS_FAIL; + } + + return STATUS_SUCCESS; +} + +int soft_reset_sd_card(struct rts51x_chip *chip) +{ + return reset_sd(chip); +} + +int ext_sd_send_cmd_get_rsp(struct rts51x_chip *chip, u8 cmd_idx, + u32 arg, u8 rsp_type, u8 *rsp, int rsp_len, + int special_check) +{ + int retval; + int timeout = 50; + u16 reg_addr; + u8 buf[17], stat; + int len = 2; + int rty_cnt = 0; + + RTS51X_DEBUGP("EXT SD/MMC CMD %d\n", cmd_idx); + + if (rsp_type == SD_RSP_TYPE_R1b) + timeout = 3000; + +RTY_SEND_CMD: + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF, 0x40 | cmd_idx); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF, (u8) (arg >> 24)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF, (u8) (arg >> 16)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF, (u8) (arg >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF, (u8) arg); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, rsp_type); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, + 0x01, PINGPONG_BUFFER); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, + 0xFF, SD_TM_CMD_RSP | SD_TRANSFER_START); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END, + SD_TRANSFER_END); + + rts51x_add_cmd(chip, READ_REG_CMD, SD_STAT1, 0, 0); + + if (CHECK_USB(chip, USB_20)) { + if (rsp_type == SD_RSP_TYPE_R2) { + for (reg_addr = PPBUF_BASE2; + reg_addr < PPBUF_BASE2 + 16; reg_addr++) { + rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0, + 0); + } + len = 19; + } else if (rsp_type != SD_RSP_TYPE_R0) { + /* Read data from SD_CMDx registers */ + for (reg_addr = SD_CMD0; reg_addr <= SD_CMD4; + reg_addr++) { + rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0, + 0); + } + len = 8; + } else { + len = 3; + } + rts51x_add_cmd(chip, READ_REG_CMD, SD_CMD5, 0, 0); + } else { + len = 2; + } + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, len, timeout); + + if (CHECK_SD_TRANS_FAIL(chip, retval)) { + rts51x_clear_sd_error(chip); + + if (retval == STATUS_TIMEDOUT) { + if (rsp_type & SD_WAIT_BUSY_END) { + retval = sd_check_data0_status(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + } + TRACE_RET(chip, STATUS_FAIL); + } + + if (rsp_type == SD_RSP_TYPE_R0) + return STATUS_SUCCESS; + + if (CHECK_USB(chip, USB_20)) { + rts51x_read_rsp_buf(chip, 2, buf, len - 2); + } else { + if (rsp_type == SD_RSP_TYPE_R2) { + reg_addr = PPBUF_BASE2; + len = 16; + } else { + reg_addr = SD_CMD0; + len = 5; + } + retval = + rts51x_seq_read_register(chip, reg_addr, + (unsigned short)len, buf); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + RTS51X_READ_REG(chip, SD_CMD5, buf + len); + } + stat = chip->rsp_buf[1]; + + if ((buf[0] & 0xC0) != 0) + TRACE_RET(chip, STATUS_FAIL); + + if (!(rsp_type & SD_NO_CHECK_CRC7)) { + if (stat & SD_CRC7_ERR) { + if (cmd_idx == WRITE_MULTIPLE_BLOCK) + TRACE_RET(chip, STATUS_FAIL); + if (rty_cnt < SD_MAX_RETRY_COUNT) { + wait_timeout(20); + rty_cnt++; + goto RTY_SEND_CMD; + } else { + TRACE_RET(chip, STATUS_FAIL); + } + } + } + + if ((cmd_idx == SELECT_CARD) || (cmd_idx == APP_CMD) || + (cmd_idx == SEND_STATUS) || (cmd_idx == STOP_TRANSMISSION)) { + if ((cmd_idx != STOP_TRANSMISSION) && (special_check == 0)) { + if (buf[1] & 0x80) + TRACE_RET(chip, STATUS_FAIL); + } +#ifdef SUPPORT_SD_LOCK + if (buf[1] & 0x7D) { +#else + if (buf[1] & 0x7F) { +#endif + TRACE_RET(chip, STATUS_FAIL); + } + if (buf[2] & 0xF8) + TRACE_RET(chip, STATUS_FAIL); + + if (cmd_idx == SELECT_CARD) { + if (rsp_type == SD_RSP_TYPE_R2) { + if ((buf[3] & 0x1E) != 0x04) + TRACE_RET(chip, STATUS_FAIL); + } else if (rsp_type == SD_RSP_TYPE_R2) { + if ((buf[3] & 0x1E) != 0x03) + TRACE_RET(chip, STATUS_FAIL); + } + } + } + + if (rsp && rsp_len) + memcpy(rsp, buf, rsp_len); + + return STATUS_SUCCESS; +} + +int ext_sd_get_rsp(struct rts51x_chip *chip, int len, u8 * rsp, u8 rsp_type) +{ + int retval, rsp_len; + u16 reg_addr; + + if (rsp_type == SD_RSP_TYPE_R0) + return STATUS_SUCCESS; + + rts51x_init_cmd(chip); + + if (rsp_type == SD_RSP_TYPE_R2) { + for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16; + reg_addr++) { + rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0); + } + rsp_len = 17; + } else if (rsp_type != SD_RSP_TYPE_R0) { + for (reg_addr = SD_CMD0; reg_addr <= SD_CMD4; reg_addr++) + rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0); + rsp_len = 6; + } + rts51x_add_cmd(chip, READ_REG_CMD, SD_CMD5, 0xFF, 0); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, rsp_len, 100); + + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (rsp) { + int min_len = (rsp_len < len) ? rsp_len : len; + + memcpy(rsp, rts51x_get_rsp_data(chip), min_len); + + RTS51X_DEBUGP("min_len = %d\n", min_len); + RTS51X_DEBUGP("Response in cmd buf: 0x%x 0x%x 0x%x 0x%x\n", + rsp[0], rsp[1], rsp[2], rsp[3]); + } + + return STATUS_SUCCESS; +} + +int ext_sd_execute_no_data(struct rts51x_chip *chip, unsigned int lun, + u8 cmd_idx, u8 standby, u8 acmd, u8 rsp_code, + u32 arg) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval, rsp_len; + u8 rsp_type; + + retval = sd_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + + if (sd_card->pre_cmd_err) { + sd_card->pre_cmd_err = 0; + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); + TRACE_RET(chip, TRANSPORT_FAILED); + } + retval = get_rsp_type(rsp_code, &rsp_type, &rsp_len); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + sd_card->last_rsp_type = rsp_type; + + retval = sd_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); +#ifdef SUPPORT_SD_LOCK + if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) { + if (CHK_MMC_8BIT(sd_card)) { + retval = + rts51x_write_register(chip, SD_CFG1, 0x03, + SD_BUS_WIDTH_8); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) { + retval = + rts51x_write_register(chip, SD_CFG1, 0x03, + SD_BUS_WIDTH_4); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } + } +#else + /* Set H/W SD/MMC Bus Width */ + rts51x_write_register(chip, SD_CFG1, 0x03, SD_BUS_WIDTH_4); +#endif + + if (standby) { + retval = sd_select_card(chip, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Cmd_Failed); + } + + if (acmd) { + retval = + ext_sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Cmd_Failed); + } + + retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type, + sd_card->rsp, rsp_len, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Cmd_Failed); + + if (standby) { + retval = sd_select_card(chip, 1); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Cmd_Failed); + } +#ifdef SUPPORT_SD_LOCK + /* Get SD lock status */ + retval = sd_update_lock_status(chip); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Cmd_Failed); +#endif + + return TRANSPORT_GOOD; + +SD_Execute_Cmd_Failed: + sd_card->pre_cmd_err = 1; + set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); + release_sd_card(chip); + do_reset_sd_card(chip); + if (!(chip->card_ready & SD_CARD)) + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + + TRACE_RET(chip, TRANSPORT_FAILED); +} + +int ext_sd_execute_read_data(struct rts51x_chip *chip, unsigned int lun, + u8 cmd_idx, u8 cmd12, u8 standby, + u8 acmd, u8 rsp_code, u32 arg, u32 data_len, + void *data_buf, unsigned int buf_len, int use_sg) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval, rsp_len, i; + int cmd13_checkbit = 0, read_err = 0; + u8 rsp_type, bus_width; + + if (sd_card->pre_cmd_err) { + sd_card->pre_cmd_err = 0; + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + retval = sd_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + retval = get_rsp_type(rsp_code, &rsp_type, &rsp_len); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + sd_card->last_rsp_type = rsp_type; + + retval = sd_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); +#ifdef SUPPORT_SD_LOCK + if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) { + if (CHK_MMC_8BIT(sd_card)) + bus_width = SD_BUS_WIDTH_8; + else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) + bus_width = SD_BUS_WIDTH_4; + else + bus_width = SD_BUS_WIDTH_1; + } else { + bus_width = SD_BUS_WIDTH_4; + } + RTS51X_DEBUGP("bus_width = %d\n", bus_width); +#else + bus_width = SD_BUS_WIDTH_4; +#endif + + if (data_len < 512) { + retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len, + SD_RSP_TYPE_R1, NULL, 0, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + } + + if (standby) { + retval = sd_select_card(chip, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + } + + if (acmd) { + retval = + ext_sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + } + + if (data_len <= 512) { + int min_len; + u8 *buf; + u16 byte_cnt, blk_cnt; + u8 cmd[5]; + unsigned int offset = 0; + void *sg = NULL; + + byte_cnt = (u16) (data_len & 0x3FF); + blk_cnt = 1; + + cmd[0] = 0x40 | cmd_idx; + cmd[1] = (u8) (arg >> 24); + cmd[2] = (u8) (arg >> 16); + cmd[3] = (u8) (arg >> 8); + cmd[4] = (u8) arg; + + buf = kmalloc(data_len, GFP_KERNEL); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, byte_cnt, + blk_cnt, bus_width, buf, data_len, 2000); + if (retval != STATUS_SUCCESS) { + read_err = 1; + kfree(buf); + rts51x_write_register(chip, CARD_STOP, + SD_STOP | SD_CLR_ERR, + SD_STOP | SD_CLR_ERR); + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + } + + min_len = min(data_len, buf_len); + if (use_sg) + rts51x_access_sglist(buf, min_len, (void *)data_buf, + &sg, &offset, TO_XFER_BUF); + else + memcpy(data_buf, buf, min_len); + + kfree(buf); + } else if (!(data_len & 0x1FF)) { + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 0x02); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, + 0xFF, (u8) (data_len >> 17)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, + 0xFF, (u8) ((data_len & 0x0001FE00) >> 9)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF, + 0x40 | cmd_idx); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF, + (u8) (arg >> 24)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF, + (u8) (arg >> 16)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF, + (u8) (arg >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF, (u8) arg); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03, bus_width); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, rsp_type); + trans_dma_enable(DMA_FROM_DEVICE, chip, data_len, DMA_512); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + SD_TM_AUTO_READ_2 | SD_TRANSFER_START); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, + SD_TRANSFER_END, SD_TRANSFER_END); + retval = rts51x_send_cmd(chip, MODE_CDIR, 100); + if (retval != STATUS_SUCCESS) { + read_err = 1; + rts51x_ep0_write_register(chip, CARD_STOP, + SD_STOP | SD_CLR_ERR, + SD_STOP | SD_CLR_ERR); + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + } + + retval = + rts51x_transfer_data_rcc(chip, RCV_BULK_PIPE(chip), + data_buf, buf_len, use_sg, NULL, + 10000, STAGE_DI); + if (retval != STATUS_SUCCESS) { + read_err = 1; + rts51x_ep0_write_register(chip, CARD_STOP, + SD_STOP | SD_CLR_ERR, + SD_STOP | SD_CLR_ERR); + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + } + retval = rts51x_get_rsp(chip, 1, 500); + if (CHECK_SD_TRANS_FAIL(chip, retval)) { + read_err = 1; + rts51x_ep0_write_register(chip, CARD_STOP, + SD_STOP | SD_CLR_ERR, + SD_STOP | SD_CLR_ERR); + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + } + } else { + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + } + + retval = ext_sd_get_rsp(chip, rsp_len, sd_card->rsp, rsp_type); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + + if (standby) { + retval = sd_select_card(chip, 1); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + } + + if (cmd12) { + retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, + 0, SD_RSP_TYPE_R1b, NULL, 0, + 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + } + + if (data_len < 512) { + retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, + SD_RSP_TYPE_R1, NULL, 0, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + + rts51x_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02); + rts51x_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00); + } + + if (standby || cmd12) + cmd13_checkbit = 1; + + for (i = 0; i < 3; i++) { + retval = + ext_sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0, + cmd13_checkbit); + if (retval == STATUS_SUCCESS) + break; + } + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); + + return TRANSPORT_GOOD; + +SD_Execute_Read_Cmd_Failed: + sd_card->pre_cmd_err = 1; + set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); + if (read_err) + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + release_sd_card(chip); + do_reset_sd_card(chip); + if (!(chip->card_ready & SD_CARD)) + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + + TRACE_RET(chip, TRANSPORT_FAILED); +} + +int ext_sd_execute_write_data(struct rts51x_chip *chip, unsigned int lun, + u8 cmd_idx, u8 cmd12, u8 standby, u8 acmd, + u8 rsp_code, u32 arg, u32 data_len, + void *data_buf, unsigned int buf_len, int use_sg) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval, rsp_len; + int cmd13_checkbit = 0, write_err = 0; + u8 rsp_type; + u32 i; +#ifdef SUPPORT_SD_LOCK + int lock_cmd_fail = 0; + u8 sd_lock_state = 0; + u8 lock_cmd_type = 0; +#endif + + if (sd_card->pre_cmd_err) { + sd_card->pre_cmd_err = 0; + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + retval = sd_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); +#ifdef SUPPORT_SD_LOCK + if (cmd_idx == LOCK_UNLOCK) { + sd_lock_state = sd_card->sd_lock_status; + sd_lock_state &= SD_LOCKED; + } +#endif + + retval = get_rsp_type(rsp_code, &rsp_type, &rsp_len); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + sd_card->last_rsp_type = rsp_type; + + retval = sd_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); +#ifdef SUPPORT_SD_LOCK + if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) { + if (CHK_MMC_8BIT(sd_card)) { + retval = + rts51x_write_register(chip, SD_CFG1, 0x03, + SD_BUS_WIDTH_8); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) { + retval = + rts51x_write_register(chip, SD_CFG1, 0x03, + SD_BUS_WIDTH_4); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } + } +#else + rts51x_write_register(chip, SD_CFG1, 0x03, SD_BUS_WIDTH_4); +#endif + + if (data_len < 512) { + retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len, + SD_RSP_TYPE_R1, NULL, 0, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + } + + if (standby) { + retval = sd_select_card(chip, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + } + + if (acmd) { + retval = + ext_sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + } + + retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type, + sd_card->rsp, rsp_len, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + + if (data_len <= 512) { + u8 *buf; + unsigned int offset = 0; + void *sg = NULL; + + buf = kmalloc(data_len, GFP_KERNEL); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + if (use_sg) + rts51x_access_sglist(buf, data_len, (void *)data_buf, + &sg, &offset, FROM_XFER_BUF); + else + memcpy(buf, data_buf, data_len); + +#ifdef SUPPORT_SD_LOCK + if (cmd_idx == LOCK_UNLOCK) + lock_cmd_type = buf[0] & 0x0F; +#endif + + if (data_len > 256) { + rts51x_init_cmd(chip); + for (i = 0; i < 256; i++) { + rts51x_add_cmd(chip, WRITE_REG_CMD, + (u16) (PPBUF_BASE2 + i), 0xFF, + buf[i]); + } + retval = rts51x_send_cmd(chip, MODE_C, 250); + if (retval != STATUS_SUCCESS) { + kfree(buf); + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + } + + rts51x_init_cmd(chip); + for (i = 256; i < data_len; i++) { + rts51x_add_cmd(chip, WRITE_REG_CMD, + (u16) (PPBUF_BASE2 + i), 0xFF, + buf[i]); + } + retval = rts51x_send_cmd(chip, MODE_C, 250); + if (retval != STATUS_SUCCESS) { + kfree(buf); + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + } + } else { + rts51x_init_cmd(chip); + for (i = 0; i < data_len; i++) { + rts51x_add_cmd(chip, WRITE_REG_CMD, + (u16) (PPBUF_BASE2 + i), 0xFF, + buf[i]); + } + retval = rts51x_send_cmd(chip, MODE_C, 250); + if (retval != STATUS_SUCCESS) { + kfree(buf); + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + } + } + + kfree(buf); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, + (u8) ((data_len >> 8) & 0x03)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, + (u8) data_len); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 0x01); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, + SD_TRANSFER_END, SD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + + retval = rts51x_get_rsp(chip, 1, 250); + if (CHECK_SD_TRANS_FAIL(chip, retval)) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + } else if (!(data_len & 0x1FF)) { + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 0x02); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x00); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, + 0xFF, (u8) (data_len >> 17)); + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, + 0xFF, (u8) ((data_len & 0x0001FE00) >> 9)); + + trans_dma_enable(DMA_TO_DEVICE, chip, data_len, DMA_512); + + rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, + SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, + SD_TRANSFER_END, SD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CDOR, 100); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + + retval = + rts51x_transfer_data_rcc(chip, SND_BULK_PIPE(chip), + data_buf, buf_len, use_sg, NULL, + 10000, STAGE_DO); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + + retval = rts51x_get_rsp(chip, 1, 10000); + if (CHECK_SD_TRANS_FAIL(chip, retval)) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + + } else { + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + } + + if (retval < 0) { + write_err = 1; + rts51x_write_register(chip, CARD_STOP, SD_STOP | SD_CLR_ERR, + SD_STOP | SD_CLR_ERR); + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + } +#ifdef SUPPORT_SD_LOCK + if (cmd_idx == LOCK_UNLOCK) { + if (lock_cmd_type == SD_ERASE) { + sd_card->sd_erase_status = SD_UNDER_ERASING; + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; + } + + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, CHECK_REG_CMD, SD_BUS_STAT, SD_DAT0_STATUS, + SD_DAT0_STATUS); + retval = rts51x_send_cmd(chip, MODE_CR, 250); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + rts51x_get_rsp(chip, 1, 200); /* Don't care return value */ + + retval = sd_update_lock_status(chip); + if (retval != STATUS_SUCCESS) { + RTS51X_DEBUGP("Lock command fail!\n"); + lock_cmd_fail = 1; + } + } +#endif /* SUPPORT_SD_LOCK */ + + if (standby) { + retval = sd_select_card(chip, 1); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + } + + if (cmd12) { + retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, + 0, SD_RSP_TYPE_R1b, NULL, 0, + 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + } + + if (data_len < 512) { + retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, + SD_RSP_TYPE_R1, NULL, 0, 0); + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); + + rts51x_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02); + rts51x_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00); + } + + if (cmd12 || standby) { + /* There is CMD7 or CMD12 sent before CMD13 */ + cmd13_checkbit = 1; + } + + for (i = 0; i < 3; i++) { + retval = + ext_sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, + SD_RSP_TYPE_R1, NULL, 0, + cmd13_checkbit); + if (retval == STATUS_SUCCESS) + break; + } + if (retval != STATUS_SUCCESS) + TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); +#ifdef SUPPORT_SD_LOCK + if (cmd_idx == LOCK_UNLOCK) { + if (!lock_cmd_fail) { + RTS51X_DEBUGP("lock_cmd_type = 0x%x\n", + lock_cmd_type); + if (lock_cmd_type & SD_CLR_PWD) + sd_card->sd_lock_status &= ~SD_PWD_EXIST; + if (lock_cmd_type & SD_SET_PWD) + sd_card->sd_lock_status |= SD_PWD_EXIST; + } + + RTS51X_DEBUGP("sd_lock_state = 0x%x," + "sd_card->sd_lock_status = 0x%x\n", + sd_lock_state, sd_card->sd_lock_status); + if (sd_lock_state ^ (sd_card->sd_lock_status & SD_LOCKED)) { + sd_card->sd_lock_notify = 1; + if (sd_lock_state) { + if (sd_card->sd_lock_status & + SD_LOCK_1BIT_MODE) { + sd_card->sd_lock_status |= + (SD_UNLOCK_POW_ON | SD_SDR_RST); + if (CHK_SD(sd_card)) { + retval = reset_sd(chip); + if (retval != STATUS_SUCCESS) { + sd_card->sd_lock_status + &= ~(SD_UNLOCK_POW_ON | + SD_SDR_RST); + TRACE_GOTO(chip, + SD_Execute_Write_Cmd_Failed); + } + } + + sd_card->sd_lock_status &= + ~(SD_UNLOCK_POW_ON | SD_SDR_RST); + } + } + } + } + + if (lock_cmd_fail) { + scsi_set_resid(srb, 0); + set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); + TRACE_RET(chip, TRANSPORT_FAILED); + } +#endif /* SUPPORT_SD_LOCK */ + + return TRANSPORT_GOOD; + +SD_Execute_Write_Cmd_Failed: + sd_card->pre_cmd_err = 1; + set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); + if (write_err) + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); + release_sd_card(chip); + do_reset_sd_card(chip); + if (!(chip->card_ready & SD_CARD)) + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + + TRACE_RET(chip, TRANSPORT_FAILED); +} + +int sd_pass_thru_mode(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + unsigned int lun = SCSI_LUN(srb); + int len; + u8 buf[18] = { + 0x00, + 0x00, + 0x00, + 0x0E, + 0x00, /* Version Number */ + 0x00, /* WP | Media Type */ + 0x00, /* RCA (Low byte) */ + 0x00, /* RCA (High byte) */ + 0x53, /* 'S' */ + 0x44, /* 'D' */ + 0x20, /* ' ' */ + 0x43, /* 'C' */ + 0x61, /* 'a' */ + 0x72, /* 'r' */ + 0x64, /* 'd' */ + 0x00, /* Max LUN Number */ + 0x00, + 0x00, + }; + + sd_card->pre_cmd_err = 0; + + if (!(CHK_BIT(chip->lun_mc, lun))) { + SET_BIT(chip->lun_mc, lun); + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if ((0x53 != srb->cmnd[2]) || (0x44 != srb->cmnd[3]) + || (0x20 != srb->cmnd[4]) || (0x43 != srb->cmnd[5]) + || (0x61 != srb->cmnd[6]) || (0x72 != srb->cmnd[7]) + || (0x64 != srb->cmnd[8])) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + switch (srb->cmnd[1] & 0x0F) { + case 0: + sd_card->sd_pass_thru_en = 0; + break; + + case 1: + sd_card->sd_pass_thru_en = 1; + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + /* 0x01:SD Memory Card; 0x02:Other Media; 0x03:Illegal Media; */ + buf[5] = (1 == CHK_SD(sd_card)) ? 0x01 : 0x02; + if (chip->card_wp & SD_CARD) + buf[5] |= 0x80; + + buf[6] = (u8) (sd_card->sd_addr >> 16); + buf[7] = (u8) (sd_card->sd_addr >> 24); + + buf[15] = chip->max_lun; + + len = min(18, (int)scsi_bufflen(srb)); + rts51x_set_xfer_buf(buf, len, srb); + + return TRANSPORT_GOOD; +} + +int sd_execute_no_data(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + unsigned int lun = SCSI_LUN(srb); + int retval; + u8 cmd_idx, rsp_code; + u8 standby = 0, acmd = 0; + u32 arg; + + if (!sd_card->sd_pass_thru_en) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + cmd_idx = srb->cmnd[2] & 0x3F; + if (srb->cmnd[1] & 0x02) + standby = 1; + if (srb->cmnd[1] & 0x01) + acmd = 1; + + arg = ((u32) srb->cmnd[3] << 24) | ((u32) srb->cmnd[4] << 16) | + ((u32) srb->cmnd[5] << 8) | srb->cmnd[6]; + + rsp_code = srb->cmnd[10]; + + retval = + ext_sd_execute_no_data(chip, lun, cmd_idx, standby, acmd, rsp_code, + arg); + scsi_set_resid(srb, 0); + return retval; +} + +int sd_execute_read_data(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + unsigned int lun = SCSI_LUN(srb); + u8 cmd_idx, rsp_code, send_cmd12 = 0, standby = 0, acmd = 0; + u32 arg, data_len; + + if (!sd_card->sd_pass_thru_en) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + cmd_idx = srb->cmnd[2] & 0x3F; + if (srb->cmnd[1] & 0x04) + send_cmd12 = 1; + if (srb->cmnd[1] & 0x02) + standby = 1; + if (srb->cmnd[1] & 0x01) + acmd = 1; + + arg = ((u32) srb->cmnd[3] << 24) | ((u32) srb->cmnd[4] << 16) | + ((u32) srb->cmnd[5] << 8) | srb->cmnd[6]; + + data_len = + ((u32) srb->cmnd[7] << 16) | ((u32) srb->cmnd[8] << 8) | + srb->cmnd[9]; + rsp_code = srb->cmnd[10]; + + retval = + ext_sd_execute_read_data(chip, lun, cmd_idx, send_cmd12, standby, + acmd, rsp_code, arg, data_len, + scsi_sglist(srb), scsi_bufflen(srb), + scsi_sg_count(srb)); + scsi_set_resid(srb, 0); + return retval; +} + +int sd_execute_write_data(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + int retval; + unsigned int lun = SCSI_LUN(srb); + u8 cmd_idx, rsp_code, send_cmd12 = 0, standby = 0, acmd = 0; + u32 data_len, arg; + + if (!sd_card->sd_pass_thru_en) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + cmd_idx = srb->cmnd[2] & 0x3F; + if (srb->cmnd[1] & 0x04) + send_cmd12 = 1; + if (srb->cmnd[1] & 0x02) + standby = 1; + if (srb->cmnd[1] & 0x01) + acmd = 1; + + data_len = + ((u32) srb->cmnd[7] << 16) | ((u32) srb->cmnd[8] << 8) | + srb->cmnd[9]; + arg = + ((u32) srb->cmnd[3] << 24) | ((u32) srb->cmnd[4] << 16) | + ((u32) srb->cmnd[5] << 8) | srb->cmnd[6]; + rsp_code = srb->cmnd[10]; + + retval = + ext_sd_execute_write_data(chip, lun, cmd_idx, send_cmd12, standby, + acmd, rsp_code, arg, data_len, + scsi_sglist(srb), scsi_bufflen(srb), + scsi_sg_count(srb)); + scsi_set_resid(srb, 0); + return retval; +} + +int sd_get_cmd_rsp(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + unsigned int lun = SCSI_LUN(srb); + int count; + u16 data_len; + + if (!sd_card->sd_pass_thru_en) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (sd_card->pre_cmd_err) { + sd_card->pre_cmd_err = 0; + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + data_len = ((u16) srb->cmnd[7] << 8) | srb->cmnd[8]; + + if (sd_card->last_rsp_type == SD_RSP_TYPE_R0) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } else if (sd_card->last_rsp_type == SD_RSP_TYPE_R2) { + count = (data_len < 17) ? data_len : 17; + } else { + count = (data_len < 6) ? data_len : 6; + } + rts51x_set_xfer_buf(sd_card->rsp, count, srb); + + RTS51X_DEBUGP("Response length: %d\n", data_len); + RTS51X_DEBUGP("Response: 0x%x 0x%x 0x%x 0x%x\n", + sd_card->rsp[0], sd_card->rsp[1], sd_card->rsp[2], + sd_card->rsp[3]); + + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; +} + +int sd_hw_rst(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + unsigned int lun = SCSI_LUN(srb); + int retval; + + if (!sd_card->sd_pass_thru_en) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (sd_card->pre_cmd_err) { + sd_card->pre_cmd_err = 0; + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if ((0x53 != srb->cmnd[2]) || (0x44 != srb->cmnd[3]) + || (0x20 != srb->cmnd[4]) || (0x43 != srb->cmnd[5]) + || (0x61 != srb->cmnd[6]) || (0x72 != srb->cmnd[7]) + || (0x64 != srb->cmnd[8])) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + switch (srb->cmnd[1] & 0x0F) { + case 0: + /* SD Card Power Off -> ON and Initialization */ +#ifdef SUPPORT_SD_LOCK + if (0x64 == srb->cmnd[9]) { + /* Command Mode */ + sd_card->sd_lock_status |= SD_SDR_RST; + } +#endif /* SUPPORT_SD_LOCK */ + retval = reset_sd_card(chip); + if (retval != STATUS_SUCCESS) { +#ifdef SUPPORT_SD_LOCK + sd_card->sd_lock_status &= ~SD_SDR_RST; +#endif + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + sd_card->pre_cmd_err = 1; + TRACE_RET(chip, TRANSPORT_FAILED); + } +#ifdef SUPPORT_SD_LOCK + sd_card->sd_lock_status &= ~SD_SDR_RST; +#endif + break; + + case 1: + /* reset CMD(CMD0) and Initialization + * (without SD Card Power Off -> ON) */ + retval = soft_reset_sd_card(chip); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + sd_card->pre_cmd_err = 1; + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; +} +#endif diff --git a/drivers/staging/rts5139/sd_cprm.h b/drivers/staging/rts5139/sd_cprm.h new file mode 100644 index 0000000..75e263b --- /dev/null +++ b/drivers/staging/rts5139/sd_cprm.h @@ -0,0 +1,54 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_SD_CPRM_H +#define __RTS51X_SD_CPRM_H + +#include "rts51x_chip.h" +#include "sd.h" + +#ifdef SUPPORT_CPRM +int ext_sd_execute_no_data(struct rts51x_chip *chip, unsigned int lun, + u8 cmd_idx, u8 standby, u8 acmd, u8 rsp_code, + u32 arg); +int ext_sd_execute_read_data(struct rts51x_chip *chip, unsigned int lun, + u8 cmd_idx, u8 cmd12, u8 standby, u8 acmd, + u8 rsp_code, u32 arg, u32 data_len, void *data_buf, + unsigned int buf_len, int use_sg); +int ext_sd_execute_write_data(struct rts51x_chip *chip, unsigned int lun, + u8 cmd_idx, u8 cmd12, u8 standby, u8 acmd, + u8 rsp_code, u32 arg, u32 data_len, + void *data_buf, unsigned int buf_len, int use_sg); + +int sd_pass_thru_mode(struct scsi_cmnd *srb, struct rts51x_chip *chip); +int sd_execute_no_data(struct scsi_cmnd *srb, struct rts51x_chip *chip); +int sd_execute_read_data(struct scsi_cmnd *srb, struct rts51x_chip *chip); +int sd_execute_write_data(struct scsi_cmnd *srb, struct rts51x_chip *chip); +int sd_get_cmd_rsp(struct scsi_cmnd *srb, struct rts51x_chip *chip); +int sd_hw_rst(struct scsi_cmnd *srb, struct rts51x_chip *chip); +#endif + +#endif /* __RTS51X_SD_CPRM_H */ diff --git a/drivers/staging/rts5139/trace.h b/drivers/staging/rts5139/trace.h new file mode 100644 index 0000000..0584b8a --- /dev/null +++ b/drivers/staging/rts5139/trace.h @@ -0,0 +1,137 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_TRACE_H +#define __RTS51X_TRACE_H + +#include "debug.h" + +#define _MSG_TRACE + +#ifdef _MSG_TRACE +static inline char *filename(char *path) +{ + char *ptr; + + if (path == NULL) + return NULL; + + ptr = path; + + while (*ptr != '\0') { + if ((*ptr == '\\') || (*ptr == '/')) + path = ptr + 1; + ptr++; + } + + return path; +} + +#define TRACE_RET(chip, ret) \ +do { \ + char *_file = filename((char *)__FILE__); \ + RTS51X_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__); \ + (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__); \ + strncpy((chip)->trace_msg[(chip)->msg_idx].func, \ + __func__, MSG_FUNC_LEN-1); \ + strncpy((chip)->trace_msg[(chip)->msg_idx].file, \ + _file, MSG_FILE_LEN-1); \ + get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf,\ + TIME_VAL_LEN); \ + (chip)->trace_msg[(chip)->msg_idx].valid = 1; \ + (chip)->msg_idx++; \ + if ((chip)->msg_idx >= TRACE_ITEM_CNT) { \ + (chip)->msg_idx = 0; \ + } \ + return ret; \ +} while (0) + +#define TRACE_GOTO(chip, label) \ +do { \ + char *_file = filename((char *)__FILE__); \ + RTS51X_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__); \ + (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__); \ + strncpy((chip)->trace_msg[(chip)->msg_idx].func, \ + __func__, MSG_FUNC_LEN-1); \ + strncpy((chip)->trace_msg[(chip)->msg_idx].file, \ + _file, MSG_FILE_LEN-1); \ + get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf,\ + TIME_VAL_LEN); \ + (chip)->trace_msg[(chip)->msg_idx].valid = 1; \ + (chip)->msg_idx++; \ + if ((chip)->msg_idx >= TRACE_ITEM_CNT) { \ + (chip)->msg_idx = 0; \ + } \ + goto label; \ +} while (0) +#else +#define TRACE_RET(chip, ret) return (ret) +#define TRACE_GOTO(chip, label) goto label +#endif + +#ifdef CONFIG_RTS5139_DEBUG +static inline void rts51x_dump(u8 *buf, int buf_len) +{ + int i; + u8 tmp[16] = { 0 }; + u8 *_ptr = buf; + + for (i = 0; i < ((buf_len) / 16); i++) { + RTS51X_DEBUGP("%02x %02x %02x %02x %02x %02x %02x %02x " + "%02x %02x %02x %02x %02x %02x %02x %02x\n", + _ptr[0], _ptr[1], _ptr[2], _ptr[3], _ptr[4], + _ptr[5], _ptr[6], _ptr[7], _ptr[8], _ptr[9], + _ptr[10], _ptr[11], _ptr[12], _ptr[13], _ptr[14], + _ptr[15]); + _ptr += 16; + } + if ((buf_len) % 16) { + memcpy(tmp, _ptr, (buf_len) % 16); + _ptr = tmp; + RTS51X_DEBUGP("%02x %02x %02x %02x %02x %02x %02x %02x " + "%02x %02x %02x %02x %02x %02x %02x %02x\n", + _ptr[0], _ptr[1], _ptr[2], _ptr[3], _ptr[4], + _ptr[5], _ptr[6], _ptr[7], _ptr[8], _ptr[9], + _ptr[10], _ptr[11], _ptr[12], _ptr[13], _ptr[14], + _ptr[15]); + } +} + +#define RTS51X_DUMP(buf, buf_len) \ + rts51x_dump((u8 *)(buf), (buf_len)) + +#define CATCH_TRIGGER(chip) \ +do { \ + rts51x_ep0_write_register((chip), 0xFC31, 0x01, 0x01); \ + RTS51X_DEBUGP("Catch trigger!\n"); \ +} while (0) + +#else +#define RTS51X_DUMP(buf, buf_len) +#define CATCH_TRIGGER(chip) +#endif + +#endif /* __RTS51X_TRACE_H */ diff --git a/drivers/staging/rts5139/xd.c b/drivers/staging/rts5139/xd.c new file mode 100644 index 0000000..39c4524 --- /dev/null +++ b/drivers/staging/rts5139/xd.c @@ -0,0 +1,2254 @@ +/* Driver for Realtek RTS51xx USB card reader + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#include <linux/blkdev.h> +#include <linux/kthread.h> +#include <linux/sched.h> + +#include "debug.h" +#include "trace.h" +#include "rts51x.h" +#include "rts51x_transport.h" +#include "rts51x_scsi.h" +#include "rts51x_card.h" +#include "xd.h" + +static int xd_build_l2p_tbl(struct rts51x_chip *chip, int zone_no); +static int xd_init_page(struct rts51x_chip *chip, u32 phy_blk, u16 logoff, + u8 start_page, u8 end_page); + +static inline void xd_set_err_code(struct rts51x_chip *chip, u8 err_code) +{ + struct xd_info *xd_card = &(chip->xd_card); + + xd_card->err_code = err_code; +} + +static inline int xd_check_err_code(struct rts51x_chip *chip, u8 err_code) +{ + struct xd_info *xd_card = &(chip->xd_card); + + return (xd_card->err_code == err_code); +} + +static int xd_set_init_para(struct rts51x_chip *chip) +{ + struct xd_info *xd_card = &(chip->xd_card); + int retval; + + if (chip->asic_code) + xd_card->xd_clock = 47; + else + xd_card->xd_clock = CLK_50; + + retval = switch_clock(chip, xd_card->xd_clock); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +static int xd_switch_clock(struct rts51x_chip *chip) +{ + struct xd_info *xd_card = &(chip->xd_card); + int retval; + + retval = rts51x_select_card(chip, XD_CARD); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = switch_clock(chip, xd_card->xd_clock); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +static int xd_read_id(struct rts51x_chip *chip, u8 id_cmd, u8 *id_buf, + u8 buf_len) +{ + int retval, i; + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, id_cmd); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_READ_ID); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, + XD_TRANSFER_END); + + for (i = 0; i < 4; i++) { + rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_ADDRESS1 + i), 0, + 0); + } + + retval = rts51x_send_cmd(chip, MODE_CR, 20); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 5, 20); + + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + TRACE_RET(chip, retval); + } + + if (id_buf && buf_len) { + if (buf_len > 4) + buf_len = 4; + rts51x_read_rsp_buf(chip, 1, id_buf, buf_len); + } + + return STATUS_SUCCESS; +} + +static void xd_assign_phy_addr(struct rts51x_chip *chip, u32 addr, u8 mode) +{ + struct xd_info *xd_card = &(chip->xd_card); + + switch (mode) { + case XD_RW_ADDR: + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF, + (u8) addr); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 0xFF, + (u8) (addr >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS3, 0xFF, + (u8) (addr >> 16)); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF, + xd_card->addr_cycle | XD_CALC_ECC | + XD_BA_NO_TRANSFORM); + break; + + case XD_ERASE_ADDR: + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF, + (u8) addr); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF, + (u8) (addr >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 0xFF, + (u8) (addr >> 16)); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF, + (xd_card->addr_cycle - 1) | + XD_CALC_ECC | XD_BA_NO_TRANSFORM); + break; + + default: + break; + } +} + +static int xd_read_redundant(struct rts51x_chip *chip, u32 page_addr, u8 *buf, + int buf_len) +{ + int retval, i; + + rts51x_init_cmd(chip); + + xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_READ_REDUNDANT); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, + XD_TRANSFER_END); + + for (i = 0; i < 6; i++) { + rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_PAGE_STATUS + i), + 0, 0); + } + for (i = 0; i < 4; i++) { + rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_RESERVED0 + i), 0, + 0); + } + rts51x_add_cmd(chip, READ_REG_CMD, XD_PARITY, 0, 0); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 11, 500); + + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + TRACE_RET(chip, retval); + } + + if (buf && buf_len) { + if (buf_len > 11) + buf_len = 11; + rts51x_read_rsp_buf(chip, 1, buf, buf_len); + } + + return STATUS_SUCCESS; +} + +static int xd_read_data_from_ppb(struct rts51x_chip *chip, int offset, u8 *buf, + int buf_len) +{ + int retval, i; + + if (!buf || (buf_len <= 0)) + TRACE_RET(chip, STATUS_FAIL); + + rts51x_init_cmd(chip); + + for (i = 0; i < buf_len; i++) { + rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + offset + i, 0, + 0); + } + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, buf_len, 200); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + rts51x_read_rsp_buf(chip, 0, buf, buf_len); + + return STATUS_SUCCESS; +} + +static int xd_read_cis(struct rts51x_chip *chip, u32 page_addr, u8 *buf, + int buf_len) +{ + int retval; + u8 reg; + + if (!buf || (buf_len < 10)) + TRACE_RET(chip, STATUS_FAIL); + + rts51x_init_cmd(chip); + + xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); + + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, + XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_READ_PAGES); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, + XD_TRANSFER_END | XD_PPB_EMPTY, + XD_TRANSFER_END | XD_PPB_EMPTY); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 1, 500); + if (retval == STATUS_TIMEDOUT) { + rts51x_clear_xd_error(chip); + TRACE_RET(chip, retval); + } + + RTS51X_READ_REG(chip, XD_PAGE_STATUS, ®); + if (reg != XD_GPG) { + rts51x_clear_xd_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + + RTS51X_READ_REG(chip, XD_CTL, ®); + + if (!(reg & XD_ECC1_ERROR) || !(reg & XD_ECC1_UNCORRECTABLE)) { + retval = xd_read_data_from_ppb(chip, 0, buf, buf_len); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (reg & XD_ECC1_ERROR) { /* correctable error */ + u8 ecc_bit, ecc_byte; + + RTS51X_READ_REG(chip, XD_ECC_BIT1, &ecc_bit); + RTS51X_READ_REG(chip, XD_ECC_BYTE1, &ecc_byte); + + RTS51X_DEBUGP("ECC_BIT1 = 0x%x, ECC_BYTE1 = 0x%x\n", + ecc_bit, ecc_byte); + if (ecc_byte < buf_len) { + RTS51X_DEBUGP("Before correct: 0x%x\n", + buf[ecc_byte]); + buf[ecc_byte] ^= (1 << ecc_bit); + RTS51X_DEBUGP("After correct: 0x%x\n", + buf[ecc_byte]); + } + } + } else if (!(reg & XD_ECC2_ERROR) || !(reg & XD_ECC2_UNCORRECTABLE)) { + RTS51X_WRITE_REG(chip, CARD_STOP, XD_STOP | XD_CLR_ERR, + XD_STOP | XD_CLR_ERR); + + retval = xd_read_data_from_ppb(chip, 256, buf, buf_len); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (reg & XD_ECC2_ERROR) { + u8 ecc_bit, ecc_byte; + + RTS51X_READ_REG(chip, XD_ECC_BIT2, &ecc_bit); + RTS51X_READ_REG(chip, XD_ECC_BYTE2, &ecc_byte); + + RTS51X_DEBUGP("ECC_BIT2 = 0x%x, ECC_BYTE2 = 0x%x\n", + ecc_bit, ecc_byte); + if (ecc_byte < buf_len) { + RTS51X_DEBUGP("Before correct: 0x%x\n", + buf[ecc_byte]); + buf[ecc_byte] ^= (1 << ecc_bit); + RTS51X_DEBUGP("After correct: 0x%x\n", + buf[ecc_byte]); + } + } + } else { + rts51x_clear_xd_error(chip); + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +static void xd_pull_ctl_disable(struct rts51x_chip *chip) +{ + if (CHECK_PKG(chip, LQFP48)) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5); + } else { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x65); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x56); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59); + } +} + +static void xd_pull_ctl_enable(struct rts51x_chip *chip) +{ + if (CHECK_PKG(chip, LQFP48)) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xAA); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5); + } else { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xA5); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x59); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59); + } +} + +static int reset_xd(struct rts51x_chip *chip) +{ + struct xd_info *xd_card = &(chip->xd_card); + int retval, i, j; + u8 id_buf[4], redunt[11]; + + retval = rts51x_select_card(chip, XD_CARD); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, 0xFF, + XD_PGSTS_NOT_FF); + if (chip->asic_code) + xd_pull_ctl_disable(chip); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF, + (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN3)); + + if (!chip->option.FT2_fast_mode) { + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_INIT, XD_NO_AUTO_PWR_OFF, + 0); + if (CHECK_PKG(chip, LQFP48) || + chip->option.rts5129_D3318_off_enable) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, + DV3318_AUTO_PWR_OFF, + DV3318_AUTO_PWR_OFF); + } + } + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0); + if (!chip->option.FT2_fast_mode) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK, + POWER_OFF); + } + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + if (!chip->option.FT2_fast_mode) { +#ifdef SD_XD_IO_FOLLOW_PWR + if (CHECK_PKG(chip, LQFP48) + || chip->option.rts5129_D3318_off_enable) { + rts51x_write_register(chip, CARD_PWR_CTL, + LDO_OFF, LDO_OFF); + } +#endif + + wait_timeout(250); + +#ifdef SD_XD_IO_FOLLOW_PWR + if (CHECK_PKG(chip, LQFP48) + || chip->option.rts5129_D3318_off_enable) { + rts51x_init_cmd(chip); + if (chip->asic_code) { + xd_pull_ctl_enable(chip); + } else { + rts51x_add_cmd(chip, WRITE_REG_CMD, + FPGA_PULL_CTL, 0xFF, + (FPGA_XD_PULL_CTL_EN1 & + FPGA_XD_PULL_CTL_EN2)); + } + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + } +#endif + + retval = card_power_on(chip, XD_CARD); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); +#ifdef SUPPORT_OCP + wait_timeout(50); + rts51x_get_card_status(chip, &(chip->card_status)); + chip->ocp_stat = (chip->card_status >> 4) & 0x03; + + if (chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) { + RTS51X_DEBUGP("Over current, OCPSTAT is 0x%x\n", + chip->ocp_stat); + TRACE_RET(chip, STATUS_FAIL); + } +#endif + } + + rts51x_init_cmd(chip); + + if (chip->asic_code) + xd_pull_ctl_enable(chip); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF, + (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN2)); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, + XD_OUTPUT_EN); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CTL, XD_CE_DISEN, XD_CE_DISEN); + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + if (!chip->option.FT2_fast_mode) + wait_timeout(200); + + retval = xd_set_init_para(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + /* Read ID to check if the timing setting is right */ + for (i = 0; i < 4; i++) { + u8 xd_dat, xd_ctl; + + if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) + TRACE_RET(chip, STATUS_FAIL); + + rts51x_init_cmd(chip); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_DTCTL, 0xFF, + XD_TIME_SETUP_STEP * 3 + XD_TIME_RW_STEP * + (2 + i + chip->option.xd_rw_step) + + XD_TIME_RWN_STEP * (i + chip->option.xd_rwn_step)); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CATCTL, 0xFF, + XD_TIME_SETUP_STEP * 3 + XD_TIME_RW_STEP * (4 + + i) + XD_TIME_RWN_STEP * (3 + i)); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_RESET); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, + XD_TRANSFER_END, XD_TRANSFER_END); + + rts51x_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0); + rts51x_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + TRACE_RET(chip, retval); + } + + retval = rts51x_get_rsp(chip, 3, 100); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + TRACE_RET(chip, retval); + } + + xd_dat = chip->rsp_buf[1]; + xd_ctl = chip->rsp_buf[2]; + RTS51X_DEBUGP("XD_DAT: 0x%x, XD_CTL: 0x%x\n", xd_dat, xd_ctl); + + if (((xd_dat & READY_FLAG) != READY_STATE) + || !(xd_ctl & XD_RDY)) + continue; + + retval = xd_read_id(chip, READ_ID, id_buf, 4); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + RTS51X_DEBUGP("READ_ID: 0x%x 0x%x 0x%x 0x%x\n", + id_buf[0], id_buf[1], id_buf[2], id_buf[3]); + + xd_card->device_code = id_buf[1]; + + switch (xd_card->device_code) { + case XD_4M_X8_512_1: + case XD_4M_X8_512_2: + xd_card->block_shift = 4; /* 16 pages per block */ + xd_card->page_off = 0x0F; + xd_card->addr_cycle = 3; + xd_card->zone_cnt = 1; + xd_card->capacity = 8000; /* 500 * 2 ^ 4 */ + XD_SET_4MB(xd_card); + break; + case XD_8M_X8_512: + xd_card->block_shift = 4; + xd_card->page_off = 0x0F; + xd_card->addr_cycle = 3; + xd_card->zone_cnt = 1; + xd_card->capacity = 16000; /* 1000 * 2 ^ 4 */ + break; + case XD_16M_X8_512: + XD_PAGE_512(xd_card); /* 32 pages per block */ + xd_card->addr_cycle = 3; + xd_card->zone_cnt = 1; + xd_card->capacity = 32000; /* 1000 * 2 ^ 5 */ + break; + case XD_32M_X8_512: + XD_PAGE_512(xd_card); + xd_card->addr_cycle = 3; + xd_card->zone_cnt = 2; + xd_card->capacity = 64000; /* 2000 * 2 ^ 5 */ + break; + case XD_64M_X8_512: + XD_PAGE_512(xd_card); + xd_card->addr_cycle = 4; + xd_card->zone_cnt = 4; + xd_card->capacity = 128000; /* 4000 * 2 ^ 5 */ + break; + case XD_128M_X8_512: + XD_PAGE_512(xd_card); + xd_card->addr_cycle = 4; + xd_card->zone_cnt = 8; + xd_card->capacity = 256000; /* 8000 * 2 ^ 5 */ + break; + case XD_256M_X8_512: + XD_PAGE_512(xd_card); + xd_card->addr_cycle = 4; + xd_card->zone_cnt = 16; + xd_card->capacity = 512000; /* 16000 * 2 ^ 5 */ + break; + case XD_512M_X8: + XD_PAGE_512(xd_card); + xd_card->addr_cycle = 4; + xd_card->zone_cnt = 32; + xd_card->capacity = 1024000; /* 32000 * 2 ^ 5 */ + break; + case xD_1G_X8_512: + XD_PAGE_512(xd_card); + xd_card->addr_cycle = 4; + xd_card->zone_cnt = 64; + xd_card->capacity = 2048000; /* 64000 * 2 ^ 5 */ + break; + case xD_2G_X8_512: + XD_PAGE_512(xd_card); + xd_card->addr_cycle = 4; + xd_card->zone_cnt = 128; + xd_card->capacity = 4096000; /* 128000 * 2 ^ 5 */ + break; + default: + continue; + } + + /* Confirm timing setting */ + for (j = 0; j < 10; j++) { + retval = xd_read_id(chip, READ_ID, id_buf, 4); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (id_buf[1] != xd_card->device_code) + break; + } + + /* Current timing pass */ + if (j == 10) + break; + } + + if (i == 4) { + xd_card->block_shift = 0; + xd_card->page_off = 0; + xd_card->addr_cycle = 0; + xd_card->capacity = 0; + + TRACE_RET(chip, STATUS_FAIL); + } + + retval = xd_read_id(chip, READ_xD_ID, id_buf, 4); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + RTS51X_DEBUGP("READ_xD_ID: 0x%x 0x%x 0x%x 0x%x\n", + id_buf[0], id_buf[1], id_buf[2], id_buf[3]); + if (id_buf[2] != XD_ID_CODE) + TRACE_RET(chip, STATUS_FAIL); + + /* Search CIS block */ + for (i = 0; i < 24; i++) { + u32 page_addr; + + if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) + TRACE_RET(chip, STATUS_FAIL); + + page_addr = (u32) i << xd_card->block_shift; + + for (j = 0; j < 3; j++) { + retval = xd_read_redundant(chip, page_addr, redunt, 11); + if (retval == STATUS_SUCCESS) + break; + } + if (j == 3) + continue; + + if (redunt[BLOCK_STATUS] != XD_GBLK) + continue; + + j = 0; + /* Check page status */ + if (redunt[PAGE_STATUS] != XD_GPG) { + for (j = 1; j <= 8; j++) { + retval = + xd_read_redundant(chip, page_addr + j, + redunt, 11); + if (retval == STATUS_SUCCESS) { + if (redunt[PAGE_STATUS] == XD_GPG) + break; + } + } + + if (j == 9) + break; + } + + if ((redunt[BLOCK_STATUS] == XD_GBLK) + && (redunt[PARITY] & XD_BA1_ALL0)) { + u8 buf[10]; + + page_addr += j; + + retval = xd_read_cis(chip, page_addr, buf, 10); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if ((buf[0] == 0x01) && (buf[1] == 0x03) + && (buf[2] == 0xD9) + && (buf[3] == 0x01) && (buf[4] == 0xFF) + && (buf[5] == 0x18) && (buf[6] == 0x02) + && (buf[7] == 0xDF) && (buf[8] == 0x01) + && (buf[9] == 0x20)) { + xd_card->cis_block = (u16) i; + } + } + + break; + } + + RTS51X_DEBUGP("CIS block: 0x%x\n", xd_card->cis_block); + if (xd_card->cis_block == 0xFFFF) + TRACE_RET(chip, STATUS_FAIL); + + chip->capacity[chip->card2lun[XD_CARD]] = xd_card->capacity; + + return STATUS_SUCCESS; +} + +static int xd_check_data_blank(u8 *redunt) +{ + int i; + + for (i = 0; i < 6; i++) { + if (redunt[PAGE_STATUS + i] != 0xFF) + return 0; + } + + if ((redunt[PARITY] & (XD_ECC1_ALL1 | XD_ECC2_ALL1)) != + (XD_ECC1_ALL1 | XD_ECC2_ALL1)) + return 0; + + for (i = 0; i < 4; i++) { + if (redunt[RESERVED0 + i] != 0xFF) + return 0; + } + + return 1; +} + +static u16 xd_load_log_block_addr(u8 *redunt) +{ + u16 addr = 0xFFFF; + + if (redunt[PARITY] & XD_BA1_BA2_EQL) + addr = + ((u16) redunt[BLOCK_ADDR1_H] << 8) | redunt[BLOCK_ADDR1_L]; + else if (redunt[PARITY] & XD_BA1_VALID) + addr = + ((u16) redunt[BLOCK_ADDR1_H] << 8) | redunt[BLOCK_ADDR1_L]; + else if (redunt[PARITY] & XD_BA2_VALID) + addr = + ((u16) redunt[BLOCK_ADDR2_H] << 8) | redunt[BLOCK_ADDR2_L]; + + return addr; +} + +static int xd_init_l2p_tbl(struct rts51x_chip *chip) +{ + struct xd_info *xd_card = &(chip->xd_card); + int size, i; + + RTS51X_DEBUGP("xd_init_l2p_tbl: zone_cnt = %d\n", xd_card->zone_cnt); + + if (xd_card->zone_cnt < 1) + TRACE_RET(chip, STATUS_FAIL); + + size = xd_card->zone_cnt * sizeof(struct zone_entry); + RTS51X_DEBUGP("Buffer size for l2p table is %d\n", size); + + xd_card->zone = vmalloc(size); + if (!xd_card->zone) + TRACE_RET(chip, STATUS_NOMEM); + + for (i = 0; i < xd_card->zone_cnt; i++) { + xd_card->zone[i].build_flag = 0; + xd_card->zone[i].l2p_table = NULL; + xd_card->zone[i].free_table = NULL; + xd_card->zone[i].get_index = 0; + xd_card->zone[i].set_index = 0; + xd_card->zone[i].unused_blk_cnt = 0; + } + + return STATUS_SUCCESS; +} + +static inline void free_zone(struct zone_entry *zone) +{ + RTS51X_DEBUGP("free_zone\n"); + if (!zone) + return; + zone->build_flag = 0; + zone->set_index = 0; + zone->get_index = 0; + zone->unused_blk_cnt = 0; + if (zone->l2p_table) { + vfree(zone->l2p_table); + zone->l2p_table = NULL; + } + if (zone->free_table) { + vfree(zone->free_table); + zone->free_table = NULL; + } +} + +static void xd_set_unused_block(struct rts51x_chip *chip, u32 phy_blk) +{ + struct xd_info *xd_card = &(chip->xd_card); + struct zone_entry *zone; + int zone_no; + + zone_no = (int)phy_blk >> 10; + if (zone_no >= xd_card->zone_cnt) { + RTS51X_DEBUGP("Set unused block to invalid zone" + "(zone_no = %d, zone_cnt = %d)\n", + zone_no, xd_card->zone_cnt); + return; + } + zone = &(xd_card->zone[zone_no]); + + if (zone->free_table == NULL) { + if (xd_build_l2p_tbl(chip, zone_no) != STATUS_SUCCESS) + return; + } + + if ((zone->set_index >= XD_FREE_TABLE_CNT) + || (zone->set_index < 0)) { + free_zone(zone); + RTS51X_DEBUGP("Set unused block fail, invalid set_index\n"); + return; + } + + RTS51X_DEBUGP("Set unused block to index %d\n", zone->set_index); + + zone->free_table[zone->set_index++] = (u16) (phy_blk & 0x3ff); + if (zone->set_index >= XD_FREE_TABLE_CNT) + zone->set_index = 0; + zone->unused_blk_cnt++; +} + +static u32 xd_get_unused_block(struct rts51x_chip *chip, int zone_no) +{ + struct xd_info *xd_card = &(chip->xd_card); + struct zone_entry *zone; + u32 phy_blk; + + if (zone_no >= xd_card->zone_cnt) { + RTS51X_DEBUGP("Get unused block from invalid zone" + "(zone_no = %d, zone_cnt = %d)\n", + zone_no, xd_card->zone_cnt); + TRACE_RET(chip, BLK_NOT_FOUND); + } + zone = &(xd_card->zone[zone_no]); + + if ((zone->unused_blk_cnt == 0) || + (zone->set_index == zone->get_index)) { + free_zone(zone); + RTS51X_DEBUGP("Get unused block fail," + "no unused block available\n"); + TRACE_RET(chip, BLK_NOT_FOUND); + } + if ((zone->get_index >= XD_FREE_TABLE_CNT) || (zone->get_index < 0)) { + free_zone(zone); + RTS51X_DEBUGP("Get unused block fail, invalid get_index\n"); + TRACE_RET(chip, BLK_NOT_FOUND); + } + + RTS51X_DEBUGP("Get unused block from index %d\n", zone->get_index); + + phy_blk = zone->free_table[zone->get_index]; + zone->free_table[zone->get_index++] = 0xFFFF; + if (zone->get_index >= XD_FREE_TABLE_CNT) + zone->get_index = 0; + zone->unused_blk_cnt--; + + phy_blk += ((u32) (zone_no) << 10); + return phy_blk; +} + +static void xd_set_l2p_tbl(struct rts51x_chip *chip, int zone_no, u16 log_off, + u16 phy_off) +{ + struct xd_info *xd_card = &(chip->xd_card); + struct zone_entry *zone; + + zone = &(xd_card->zone[zone_no]); + zone->l2p_table[log_off] = phy_off; +} + +static u32 xd_get_l2p_tbl(struct rts51x_chip *chip, int zone_no, u16 log_off) +{ + struct xd_info *xd_card = &(chip->xd_card); + struct zone_entry *zone; + int retval; + + zone = &(xd_card->zone[zone_no]); + if (zone->l2p_table[log_off] == 0xFFFF) { + u32 phy_blk = 0; + int i; + + retval = xd_delay_write(chip); + if (retval != STATUS_SUCCESS) { + RTS51X_DEBUGP("In xd_get_l2p_tbl," + "delay write fail!\n"); + TRACE_RET(chip, BLK_NOT_FOUND); + } + + if (zone->unused_blk_cnt <= 0) { + RTS51X_DEBUGP("No unused block!\n"); + TRACE_RET(chip, BLK_NOT_FOUND); + } + + for (i = 0; i < zone->unused_blk_cnt; i++) { + phy_blk = xd_get_unused_block(chip, zone_no); + if (phy_blk == BLK_NOT_FOUND) { + RTS51X_DEBUGP("No unused block available!\n"); + TRACE_RET(chip, BLK_NOT_FOUND); + } + + retval = + xd_init_page(chip, phy_blk, log_off, 0, + xd_card->page_off + 1); + if (retval == STATUS_SUCCESS) + break; + } + if (i >= zone->unused_blk_cnt) { + RTS51X_DEBUGP("No good unused block available!\n"); + TRACE_RET(chip, BLK_NOT_FOUND); + } + + xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (phy_blk & 0x3FF)); + return phy_blk; + } + + return (u32) zone->l2p_table[log_off] + ((u32) (zone_no) << 10); +} + +int reset_xd_card(struct rts51x_chip *chip) +{ + struct xd_info *xd_card = &(chip->xd_card); + int retval; + + memset(xd_card, 0, sizeof(struct xd_info)); + + xd_card->block_shift = 0; + xd_card->page_off = 0; + xd_card->addr_cycle = 0; + xd_card->capacity = 0; + xd_card->zone_cnt = 0; + xd_card->cis_block = 0xFFFF; + xd_card->delay_write.delay_write_flag = 0; + + enable_card_clock(chip, XD_CARD); + + retval = reset_xd(chip); + if (retval != STATUS_SUCCESS) { + if (chip->option.reset_or_rw_fail_set_pad_drive) { + rts51x_write_register(chip, CARD_DRIVE_SEL, + SD20_DRIVE_MASK, DRIVE_8mA); + } + TRACE_RET(chip, retval); + } + + retval = xd_init_l2p_tbl(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +static int xd_mark_bad_block(struct rts51x_chip *chip, u32 phy_blk) +{ + struct xd_info *xd_card = &(chip->xd_card); + int retval; + u32 page_addr; + u8 reg = 0; + + RTS51X_DEBUGP("mark block 0x%x as bad block\n", phy_blk); + + if (phy_blk == BLK_NOT_FOUND) + TRACE_RET(chip, STATUS_FAIL); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, + XD_LATER_BBLK); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, 0xFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, 0xFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_H, 0xFF, 0xFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_L, 0xFF, 0xFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED0, 0xFF, 0xFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED1, 0xFF, 0xFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED2, 0xFF, 0xFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED3, 0xFF, 0xFF); + + page_addr = phy_blk << xd_card->block_shift; + + xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); + + /* Specify page count */ + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, + xd_card->page_off + 1); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_WRITE_REDUNDANT); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, + XD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + retval = rts51x_get_rsp(chip, 1, 100); + + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + rts51x_ep0_read_register(chip, XD_DAT, ®); + if (reg & PROGRAM_ERROR) + xd_set_err_code(chip, XD_PRG_ERROR); + else + xd_set_err_code(chip, XD_TO_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +static int xd_init_page(struct rts51x_chip *chip, u32 phy_blk, u16 logoff, + u8 start_page, u8 end_page) +{ + struct xd_info *xd_card = &(chip->xd_card); + int retval; + u32 page_addr; + u8 reg = 0; + + RTS51X_DEBUGP("Init block 0x%x\n", phy_blk); + + if (start_page > end_page) + TRACE_RET(chip, STATUS_FAIL); + if (phy_blk == BLK_NOT_FOUND) + TRACE_RET(chip, STATUS_FAIL); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, 0xFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, 0xFF); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, + (u8) (logoff >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, + (u8) logoff); + + page_addr = (phy_blk << xd_card->block_shift) + start_page; + + xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM, + XD_BA_TRANSFORM); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, + (end_page - start_page)); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_WRITE_REDUNDANT); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, + XD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + retval = rts51x_get_rsp(chip, 1, 500); + + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + rts51x_ep0_read_register(chip, XD_DAT, ®); + if (reg & PROGRAM_ERROR) { + xd_mark_bad_block(chip, phy_blk); + xd_set_err_code(chip, XD_PRG_ERROR); + } else { + xd_set_err_code(chip, XD_TO_ERROR); + } + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; +} + +static int xd_copy_page(struct rts51x_chip *chip, + u32 old_blk, u32 new_blk, u8 start_page, u8 end_page) +{ + struct xd_info *xd_card = &(chip->xd_card); + u32 old_page, new_page; + u8 i, reg = 0; + int retval; + + RTS51X_DEBUGP("Copy page from block 0x%x to block 0x%x\n", old_blk, + new_blk); + + if (start_page > end_page) + TRACE_RET(chip, STATUS_FAIL); + + if ((old_blk == BLK_NOT_FOUND) || (new_blk == BLK_NOT_FOUND)) + TRACE_RET(chip, STATUS_FAIL); + + old_page = (old_blk << xd_card->block_shift) + start_page; + new_page = (new_blk << xd_card->block_shift) + start_page; + + XD_CLR_BAD_NEWBLK(xd_card); + + RTS51X_WRITE_REG(chip, CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER); + + for (i = start_page; i < end_page; i++) { + if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) { + RTS51X_WRITE_REG(chip, CARD_STOP, XD_STOP | XD_CLR_ERR, + XD_STOP | XD_CLR_ERR); + xd_set_err_code(chip, XD_NO_CARD); + TRACE_RET(chip, STATUS_FAIL); + } + + rts51x_init_cmd(chip); + + xd_assign_phy_addr(chip, old_page, XD_RW_ADDR); + + /* Single page read */ + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, + XD_AUTO_CHK_DATA_STATUS, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_READ_PAGES); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, + XD_TRANSFER_END, XD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR | STAGE_XD_STATUS, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 4, 500); + if ((retval != STATUS_SUCCESS) || + (chip->rsp_buf[2] & (XD_ECC1_ERROR | XD_ECC2_ERROR))) { + rts51x_clear_xd_error(chip); + reg = 0; + rts51x_ep0_read_register(chip, XD_CTL, ®); + if (reg & (XD_ECC1_ERROR | XD_ECC2_ERROR)) { + wait_timeout(100); + + if (monitor_card_cd(chip, XD_CARD) == + CD_NOT_EXIST) { + xd_set_err_code(chip, XD_NO_CARD); + TRACE_RET(chip, STATUS_FAIL); + } + + if (((reg & + (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE)) + == (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE)) + || ((reg & (XD_ECC2_ERROR | + XD_ECC2_UNCORRECTABLE)) == + (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) { + RTS51X_WRITE_REG(chip, XD_PAGE_STATUS, + 0xFF, XD_BPG); + RTS51X_WRITE_REG(chip, XD_BLOCK_STATUS, + 0xFF, XD_GBLK); + XD_SET_BAD_OLDBLK(xd_card); + RTS51X_DEBUGP("old block 0x%x" + "ecc error\n", old_blk); + } + } else { + xd_set_err_code(chip, XD_TO_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + } + if (XD_CHK_BAD_OLDBLK(xd_card)) + rts51x_clear_xd_error(chip); + + rts51x_init_cmd(chip); + + xd_assign_phy_addr(chip, new_page, XD_RW_ADDR); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_WRITE_PAGES); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, + XD_TRANSFER_END, XD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 1, 300); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + reg = 0; + rts51x_ep0_read_register(chip, XD_DAT, ®); + if (reg & PROGRAM_ERROR) { + xd_mark_bad_block(chip, new_blk); + xd_set_err_code(chip, XD_PRG_ERROR); + XD_SET_BAD_NEWBLK(xd_card); + } else { + xd_set_err_code(chip, XD_TO_ERROR); + } + TRACE_RET(chip, retval); + } + + old_page++; + new_page++; + } + + return STATUS_SUCCESS; +} + +#ifdef XD_SPEEDUP +static int xd_auto_copy_page(struct rts51x_chip *chip, + u32 old_blk, u32 new_blk, + u8 start_page, u8 end_page) +{ + struct xd_info *xd_card = &(chip->xd_card); + u32 old_page, new_page; + int retval; + u8 page_count; + + RTS51X_DEBUGP("Auto copy page from block 0x%x to block 0x%x\n", + old_blk, new_blk); + + if (start_page > end_page) + TRACE_RET(chip, STATUS_FAIL); + + page_count = end_page - start_page; + + if ((old_blk == BLK_NOT_FOUND) || (new_blk == BLK_NOT_FOUND)) + TRACE_RET(chip, STATUS_FAIL); + + old_page = (old_blk << xd_card->block_shift) + start_page; + new_page = (new_blk << xd_card->block_shift) + start_page; + + XD_CLR_BAD_NEWBLK(xd_card); + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WAITTIME, 0x03, WAIT_FF); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_PAGELEN, 0xFF, page_count); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR0, 0xFF, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR1, 0xFF, + (u8) old_page); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR2, 0xFF, + (u8) (old_page >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR3, 0xFF, + (u8) (old_page >> 16)); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR4, 0xFF, 0); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR0, 0xFF, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR1, 0xFF, + (u8) new_page); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR2, 0xFF, + (u8) (new_page >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR3, 0xFF, + (u8) (new_page >> 16)); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR4, 0xFF, 0); + + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, + XD_BA_TRANSFORM | XD_ADDR_MASK, 0 | xd_card->addr_cycle); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, + XD_AUTO_CHK_DATA_STATUS, 0); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_COPY_PAGES); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, + XD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + TRACE_GOTO(chip, Copy_Fail); + } + + retval = rts51x_get_rsp(chip, 1, 800); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + TRACE_GOTO(chip, Copy_Fail); + } + + return STATUS_SUCCESS; + +Copy_Fail: + retval = xd_copy_page(chip, old_blk, new_blk, start_page, end_page); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} +#endif + +static int xd_reset_cmd(struct rts51x_chip *chip) +{ + int retval; + u8 xd_dat, xd_ctl; + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_RESET); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, + XD_TRANSFER_END); + rts51x_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0); + rts51x_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 3, 100); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + TRACE_RET(chip, retval); + } + + xd_dat = chip->rsp_buf[1]; + xd_ctl = chip->rsp_buf[2]; + if (((xd_dat & READY_FLAG) == READY_STATE) && (xd_ctl & XD_RDY)) + return STATUS_SUCCESS; + + TRACE_RET(chip, STATUS_FAIL); +} + +static int xd_erase_block(struct rts51x_chip *chip, u32 phy_blk) +{ + struct xd_info *xd_card = &(chip->xd_card); + u32 page_addr; + u8 reg = 0, xd_dat; + int i, retval; + + if (phy_blk == BLK_NOT_FOUND) + TRACE_RET(chip, STATUS_FAIL); + + page_addr = phy_blk << xd_card->block_shift; + + for (i = 0; i < 3; i++) { + rts51x_init_cmd(chip); + + xd_assign_phy_addr(chip, page_addr, XD_ERASE_ADDR); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_ERASE); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, + XD_TRANSFER_END, XD_TRANSFER_END); + rts51x_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 2, 300); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + rts51x_ep0_read_register(chip, XD_DAT, ®); + if (reg & PROGRAM_ERROR) { + xd_mark_bad_block(chip, phy_blk); + xd_set_err_code(chip, XD_PRG_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } else { + xd_set_err_code(chip, XD_ERASE_FAIL); + } + retval = xd_reset_cmd(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + continue; + } + xd_dat = chip->rsp_buf[1]; + if (xd_dat & PROGRAM_ERROR) { + xd_mark_bad_block(chip, phy_blk); + xd_set_err_code(chip, XD_PRG_ERROR); + TRACE_RET(chip, STATUS_FAIL); + } + + return STATUS_SUCCESS; + } + + xd_mark_bad_block(chip, phy_blk); + xd_set_err_code(chip, XD_ERASE_FAIL); + TRACE_RET(chip, STATUS_FAIL); +} + +static int xd_build_l2p_tbl(struct rts51x_chip *chip, int zone_no) +{ + struct xd_info *xd_card = &(chip->xd_card); + struct zone_entry *zone; + int retval; + u32 start, end, i; + u16 max_logoff, cur_fst_page_logoff, cur_lst_page_logoff, + ent_lst_page_logoff; + u8 redunt[11]; + + RTS51X_DEBUGP("xd_build_l2p_tbl: %d\n", zone_no); + + if (xd_card->zone == NULL) { + retval = xd_init_l2p_tbl(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + if (xd_card->zone[zone_no].build_flag) { + RTS51X_DEBUGP("l2p table of zone %d has been built\n", + zone_no); + return STATUS_SUCCESS; + } + + zone = &(xd_card->zone[zone_no]); + + if (zone->l2p_table == NULL) { + zone->l2p_table = vmalloc(2000); + if (zone->l2p_table == NULL) + TRACE_GOTO(chip, Build_Fail); + } + memset((u8 *) (zone->l2p_table), 0xff, 2000); + + if (zone->free_table == NULL) { + zone->free_table = vmalloc(XD_FREE_TABLE_CNT * 2); + if (zone->free_table == NULL) + TRACE_GOTO(chip, Build_Fail); + } + memset((u8 *) (zone->free_table), 0xff, XD_FREE_TABLE_CNT * 2); + + if (zone_no == 0) { + if (xd_card->cis_block == 0xFFFF) + start = 0; + else + start = xd_card->cis_block + 1; + if (XD_CHK_4MB(xd_card)) { + end = 0x200; + max_logoff = 499; + } else { + end = 0x400; + max_logoff = 999; + } + } else { + start = (u32) (zone_no) << 10; + end = (u32) (zone_no + 1) << 10; + max_logoff = 999; + } + + RTS51X_DEBUGP("start block 0x%x, end block 0x%x\n", start, end); + + zone->set_index = zone->get_index = 0; + zone->unused_blk_cnt = 0; + + for (i = start; i < end; i++) { + u32 page_addr = i << xd_card->block_shift; + u32 phy_block; + + retval = xd_read_redundant(chip, page_addr, redunt, 11); + if (retval != STATUS_SUCCESS) + continue; + + if (redunt[BLOCK_STATUS] != 0xFF) { + RTS51X_DEBUGP("bad block\n"); + continue; + } + + if (xd_check_data_blank(redunt)) { + RTS51X_DEBUGP("blank block\n"); + xd_set_unused_block(chip, i); + continue; + } + + cur_fst_page_logoff = xd_load_log_block_addr(redunt); + if ((cur_fst_page_logoff == 0xFFFF) + || (cur_fst_page_logoff > max_logoff)) { + retval = xd_erase_block(chip, i); + if (retval == STATUS_SUCCESS) + xd_set_unused_block(chip, i); + continue; + } + if ((zone_no == 0) && (cur_fst_page_logoff == 0) + && (redunt[PAGE_STATUS] != XD_GPG)) + XD_SET_MBR_FAIL(xd_card); + + if (zone->l2p_table[cur_fst_page_logoff] == 0xFFFF) { + zone->l2p_table[cur_fst_page_logoff] = + (u16) (i & 0x3FF); + continue; + } + + phy_block = + zone->l2p_table[cur_fst_page_logoff] + + ((u32) ((zone_no) << 10)); + + page_addr = ((i + 1) << xd_card->block_shift) - 1; + + retval = xd_read_redundant(chip, page_addr, redunt, 11); + if (retval != STATUS_SUCCESS) + continue; + + cur_lst_page_logoff = xd_load_log_block_addr(redunt); + if (cur_lst_page_logoff == cur_fst_page_logoff) { + int m; + + page_addr = + ((phy_block + 1) << xd_card->block_shift) - 1; + + for (m = 0; m < 3; m++) { + retval = + xd_read_redundant(chip, page_addr, redunt, + 11); + if (retval == STATUS_SUCCESS) + break; + } + + if (m == 3) { + zone->l2p_table[cur_fst_page_logoff] = + (u16) (i & 0x3FF); + retval = xd_erase_block(chip, phy_block); + if (retval == STATUS_SUCCESS) + xd_set_unused_block(chip, phy_block); + continue; + } + + ent_lst_page_logoff = xd_load_log_block_addr(redunt); + if (ent_lst_page_logoff != cur_fst_page_logoff) { + zone->l2p_table[cur_fst_page_logoff] = + (u16) (i & 0x3FF); + retval = xd_erase_block(chip, phy_block); + if (retval == STATUS_SUCCESS) + xd_set_unused_block(chip, phy_block); + continue; + } else { + retval = xd_erase_block(chip, i); + if (retval == STATUS_SUCCESS) + xd_set_unused_block(chip, i); + } + } else { + retval = xd_erase_block(chip, i); + if (retval == STATUS_SUCCESS) + xd_set_unused_block(chip, i); + } + } + + if (XD_CHK_4MB(xd_card)) + end = 500; + else + end = 1000; + + i = 0; + for (start = 0; start < end; start++) { + if (zone->l2p_table[start] == 0xFFFF) + i++; + } + + RTS51X_DEBUGP("Block count %d, invalid L2P entry %d\n", end, i); + RTS51X_DEBUGP("Total unused block: %d\n", zone->unused_blk_cnt); + + if ((zone->unused_blk_cnt - i) < 1) + chip->card_wp |= XD_CARD; + + zone->build_flag = 1; + + return STATUS_SUCCESS; + +Build_Fail: + if (zone->l2p_table) { + vfree(zone->l2p_table); + zone->l2p_table = NULL; + } + if (zone->free_table) { + vfree(zone->free_table); + zone->free_table = NULL; + } + + return STATUS_FAIL; +} + +static int xd_send_cmd(struct rts51x_chip *chip, u8 cmd) +{ + int retval; + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, cmd); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_SET_CMD); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, + XD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = rts51x_get_rsp(chip, 1, 200); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +static int xd_read_multiple_pages(struct rts51x_chip *chip, u32 phy_blk, + u32 log_blk, u8 start_page, u8 end_page, + u8 *buf, void **ptr, unsigned int *offset) +{ + struct xd_info *xd_card = &(chip->xd_card); + u32 page_addr, new_blk; + u16 log_off; + u8 reg_val, page_cnt; + int zone_no, retval, i; + + if (start_page > end_page) + TRACE_RET(chip, STATUS_FAIL); + + page_cnt = end_page - start_page; + zone_no = (int)(log_blk / 1000); + log_off = (u16) (log_blk % 1000); + + if ((phy_blk & 0x3FF) == 0x3FF) { + for (i = 0; i < 256; i++) { + page_addr = ((u32) i) << xd_card->block_shift; + + retval = xd_read_redundant(chip, page_addr, NULL, 0); + if (retval == STATUS_SUCCESS) + break; + + if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) { + xd_set_err_code(chip, XD_NO_CARD); + TRACE_RET(chip, STATUS_FAIL); + } + } + } + + page_addr = (phy_blk << xd_card->block_shift) + start_page; + + rts51x_init_cmd(chip); + + xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_PPB_TO_SIE, + XD_PPB_TO_SIE); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + RING_BUFFER); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, + XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS); + + trans_dma_enable(chip->srb->sc_data_direction, chip, page_cnt * 512, + DMA_512); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_READ_PAGES); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, + XD_TRANSFER_END | XD_PPB_EMPTY, + XD_TRANSFER_END | XD_PPB_EMPTY); + + retval = rts51x_send_cmd(chip, MODE_CDIR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = + rts51x_transfer_data_partial(chip, RCV_BULK_PIPE(chip), (void *)buf, + ptr, offset, page_cnt * 512, + scsi_sg_count(chip->srb), NULL, 2000); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + + if (retval == STATUS_TIMEDOUT) { + xd_set_err_code(chip, XD_TO_ERROR); + TRACE_RET(chip, retval); + } else { + TRACE_GOTO(chip, Fail); + } + } + retval = rts51x_get_rsp(chip, 1, 200); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + + if (retval == STATUS_TIMEDOUT) { + xd_set_err_code(chip, XD_TO_ERROR); + TRACE_RET(chip, retval); + } else { + TRACE_GOTO(chip, Fail); + } + } + + return STATUS_SUCCESS; + +Fail: + rts51x_ep0_read_register(chip, XD_PAGE_STATUS, ®_val); + RTS51X_DEBUGP("XD_PAGE_STATUS: 0x%x\n", reg_val); + + if (reg_val != XD_GPG) + xd_set_err_code(chip, XD_PRG_ERROR); + + rts51x_ep0_read_register(chip, XD_CTL, ®_val); + RTS51X_DEBUGP("XD_CTL: 0x%x\n", reg_val); + + /* Handle uncorrectable ECC error */ + if (((reg_val & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE)) + == (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE)) + || ((reg_val & (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE)) + == (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) { + wait_timeout(100); + + if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) { + xd_set_err_code(chip, XD_NO_CARD); + TRACE_RET(chip, STATUS_FAIL); + } + + xd_set_err_code(chip, XD_ECC_ERROR); + + new_blk = xd_get_unused_block(chip, zone_no); + if (new_blk == NO_NEW_BLK) { + XD_CLR_BAD_OLDBLK(xd_card); + TRACE_RET(chip, STATUS_FAIL); + } +#ifdef XD_SPEEDUP + retval = + xd_auto_copy_page(chip, phy_blk, new_blk, 0, + xd_card->page_off + 1); +#else + retval = + xd_copy_page(chip, phy_blk, new_blk, 0, + xd_card->page_off + 1); +#endif + if (retval != STATUS_SUCCESS) { + if (!XD_CHK_BAD_NEWBLK(xd_card)) { + retval = xd_erase_block(chip, new_blk); + if (retval == STATUS_SUCCESS) + xd_set_unused_block(chip, new_blk); + } else { + XD_CLR_BAD_NEWBLK(xd_card); + } + XD_CLR_BAD_OLDBLK(xd_card); + TRACE_RET(chip, STATUS_FAIL); + } + xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (new_blk & 0x3FF)); + xd_erase_block(chip, phy_blk); + xd_mark_bad_block(chip, phy_blk); + XD_CLR_BAD_OLDBLK(xd_card); + } + + TRACE_RET(chip, STATUS_FAIL); +} + +static int xd_finish_write(struct rts51x_chip *chip, + u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off) +{ + struct xd_info *xd_card = &(chip->xd_card); + int retval, zone_no; + u16 log_off; + + RTS51X_DEBUGP("xd_finish_write, old_blk = 0x%x, new_blk = 0x%x," + "log_blk = 0x%x\n", old_blk, new_blk, log_blk); + + if (page_off > xd_card->page_off) + TRACE_RET(chip, STATUS_FAIL); + + zone_no = (int)(log_blk / 1000); + log_off = (u16) (log_blk % 1000); + + if (old_blk == BLK_NOT_FOUND) { + retval = xd_init_page(chip, new_blk, log_off, + page_off, xd_card->page_off + 1); + if (retval != STATUS_SUCCESS) { + retval = xd_erase_block(chip, new_blk); + if (retval == STATUS_SUCCESS) + xd_set_unused_block(chip, new_blk); + TRACE_RET(chip, STATUS_FAIL); + } + } else { +#ifdef XD_SPEEDUP + retval = xd_auto_copy_page(chip, old_blk, new_blk, + page_off, xd_card->page_off + 1); +#else + retval = xd_copy_page(chip, old_blk, new_blk, + page_off, xd_card->page_off + 1); +#endif + if (retval != STATUS_SUCCESS) { + if (!XD_CHK_BAD_NEWBLK(xd_card)) { + retval = xd_erase_block(chip, new_blk); + if (retval == STATUS_SUCCESS) + xd_set_unused_block(chip, new_blk); + } + XD_CLR_BAD_NEWBLK(xd_card); + TRACE_RET(chip, STATUS_FAIL); + } + + retval = xd_erase_block(chip, old_blk); + if (retval == STATUS_SUCCESS) { + if (XD_CHK_BAD_OLDBLK(xd_card)) { + xd_mark_bad_block(chip, old_blk); + XD_CLR_BAD_OLDBLK(xd_card); + } else { + /* Add source block to unused block */ + xd_set_unused_block(chip, old_blk); + } + } else { + xd_set_err_code(chip, XD_NO_ERROR); + XD_CLR_BAD_OLDBLK(xd_card); + } + } + + /* Add target block to L2P table */ + xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (new_blk & 0x3FF)); + + return STATUS_SUCCESS; +} + +static int xd_prepare_write(struct rts51x_chip *chip, + u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off) +{ + int retval; + + RTS51X_DEBUGP("xd_prepare_write, old_blk = 0x%x, new_blk = 0x%x," + "log_blk = 0x%x, page_off = %d\n", + old_blk, new_blk, log_blk, (int)page_off); + + if (page_off) { +#ifdef XD_SPEEDUP + retval = xd_auto_copy_page(chip, old_blk, new_blk, 0, page_off); +#else + retval = xd_copy_page(chip, old_blk, new_blk, 0, page_off); +#endif + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +static int xd_write_multiple_pages(struct rts51x_chip *chip, u32 old_blk, + u32 new_blk, u32 log_blk, u8 start_page, + u8 end_page, u8 *buf, void **ptr, + unsigned int *offset) +{ + struct xd_info *xd_card = &(chip->xd_card); + u32 page_addr; + int zone_no, retval; + u16 log_off; + u8 page_cnt, reg_val; + + RTS51X_DEBUGP("xd_write_multiple_pages, old_blk = 0x%x," + "new_blk = 0x%x, log_blk = 0x%x\n", + old_blk, new_blk, log_blk); + + if (start_page > end_page) + TRACE_RET(chip, STATUS_FAIL); + + page_cnt = end_page - start_page; + zone_no = (int)(log_blk / 1000); + log_off = (u16) (log_blk % 1000); + + page_addr = (new_blk << xd_card->block_shift) + start_page; + + /* Send index command */ + retval = xd_send_cmd(chip, READ1_1); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + rts51x_init_cmd(chip); + + /* Prepare redundant field */ + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, + (u8) (log_off >> 8)); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, + (u8) log_off); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_GBLK); + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG); + + xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); + + /* Transform the block address by hardware */ + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM, + XD_BA_TRANSFORM); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, + RING_BUFFER); + + trans_dma_enable(chip->srb->sc_data_direction, chip, page_cnt * 512, + DMA_512); + + rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, + XD_TRANSFER_START | XD_WRITE_PAGES); + rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, + XD_TRANSFER_END); + + retval = rts51x_send_cmd(chip, MODE_CDOR, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + retval = + rts51x_transfer_data_partial(chip, SND_BULK_PIPE(chip), (void *)buf, + ptr, offset, page_cnt * 512, + scsi_sg_count(chip->srb), NULL, 2000); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + + if (retval == STATUS_TIMEDOUT) { + xd_set_err_code(chip, XD_TO_ERROR); + TRACE_RET(chip, retval); + } else { + TRACE_GOTO(chip, Fail); + } + } + retval = rts51x_get_rsp(chip, 1, 200); + if (retval != STATUS_SUCCESS) { + rts51x_clear_xd_error(chip); + + if (retval == STATUS_TIMEDOUT) { + xd_set_err_code(chip, XD_TO_ERROR); + TRACE_RET(chip, retval); + } else { + TRACE_GOTO(chip, Fail); + } + } + + if (end_page == (xd_card->page_off + 1)) { + xd_card->delay_write.delay_write_flag = 0; + + if (old_blk != BLK_NOT_FOUND) { + retval = xd_erase_block(chip, old_blk); + if (retval == STATUS_SUCCESS) { + if (XD_CHK_BAD_OLDBLK(xd_card)) { + xd_mark_bad_block(chip, old_blk); + XD_CLR_BAD_OLDBLK(xd_card); + } else { + xd_set_unused_block(chip, old_blk); + } + } else { + xd_set_err_code(chip, XD_NO_ERROR); + XD_CLR_BAD_OLDBLK(xd_card); + } + } + xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (new_blk & 0x3FF)); + } + + return STATUS_SUCCESS; + +Fail: + rts51x_ep0_read_register(chip, XD_DAT, ®_val); + RTS51X_DEBUGP("XD_DAT: 0x%x\n", reg_val); + + if (reg_val & PROGRAM_ERROR) { + xd_set_err_code(chip, XD_PRG_ERROR); + xd_mark_bad_block(chip, new_blk); + } + + TRACE_RET(chip, STATUS_FAIL); +} + +int xd_delay_write(struct rts51x_chip *chip) +{ + struct xd_info *xd_card = &(chip->xd_card); + struct xd_delay_write_tag *delay_write = &(xd_card->delay_write); + int retval; + + if (delay_write->delay_write_flag) { + RTS51X_DEBUGP("xd_delay_write\n"); + retval = xd_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + delay_write->delay_write_flag = 0; + retval = xd_finish_write(chip, + delay_write->old_phyblock, + delay_write->new_phyblock, + delay_write->logblock, + delay_write->pageoff); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + } + + return STATUS_SUCCESS; +} + +int xd_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector, + u16 sector_cnt) +{ + struct xd_info *xd_card = &(chip->xd_card); + unsigned int lun = SCSI_LUN(srb); + struct xd_delay_write_tag *delay_write = &(xd_card->delay_write); + int retval, zone_no; + u32 log_blk, old_blk = 0, new_blk = 0; + u16 log_off, total_sec_cnt = sector_cnt; + u8 start_page, end_page = 0, page_cnt; + u8 *buf; + void *ptr = NULL; + unsigned int offset = 0; + + xd_set_err_code(chip, XD_NO_ERROR); + + xd_card->counter = 0; + + RTS51X_DEBUGP("xd_rw: scsi_bufflen = %d, scsi_sg_count = %d\n", + scsi_bufflen(srb), scsi_sg_count(srb)); + RTS51X_DEBUGP("Data direction: %s\n", + (srb->sc_data_direction == + DMA_TO_DEVICE) ? "write" : "read"); + + buf = (u8 *) scsi_sglist(srb); + + retval = xd_switch_clock(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + log_blk = start_sector >> xd_card->block_shift; + start_page = (u8) start_sector & xd_card->page_off; + zone_no = (int)(log_blk / 1000); + log_off = (u16) (log_blk % 1000); + + RTS51X_DEBUGP("log_blk = 0x%x\n", log_blk); + + if (xd_card->zone[zone_no].build_flag == 0) { + retval = xd_build_l2p_tbl(chip, zone_no); + if (retval != STATUS_SUCCESS) { + chip->card_fail |= XD_CARD; + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, retval); + } + } + + if (srb->sc_data_direction == DMA_TO_DEVICE) { + if (delay_write->delay_write_flag && + (delay_write->logblock == log_blk) && + (start_page > delay_write->pageoff)) { + delay_write->delay_write_flag = 0; + if (delay_write->old_phyblock != BLK_NOT_FOUND) { +#ifdef XD_SPEEDUP + retval = xd_auto_copy_page(chip, + delay_write->old_phyblock, + delay_write->new_phyblock, + delay_write->pageoff, start_page); +#else + retval = xd_copy_page(chip, + delay_write->old_phyblock, + delay_write->new_phyblock, + delay_write->pageoff, + start_page); +#endif + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, retval); + } + } + old_blk = delay_write->old_phyblock; + new_blk = delay_write->new_phyblock; + } else if (delay_write->delay_write_flag && + (delay_write->logblock == log_blk) && + (start_page == delay_write->pageoff)) { + delay_write->delay_write_flag = 0; + old_blk = delay_write->old_phyblock; + new_blk = delay_write->new_phyblock; + } else { + retval = xd_delay_write(chip); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, retval); + } + old_blk = xd_get_l2p_tbl(chip, zone_no, log_off); + new_blk = xd_get_unused_block(chip, zone_no); + if ((old_blk == BLK_NOT_FOUND) + || (new_blk == BLK_NOT_FOUND)) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, retval); + } + + retval = + xd_prepare_write(chip, old_blk, new_blk, log_blk, + start_page); + if (retval != STATUS_SUCCESS) { + if (monitor_card_cd(chip, XD_CARD) == + CD_NOT_EXIST) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, STATUS_FAIL); + } + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, retval); + } + } + } else { + retval = xd_delay_write(chip); + if (retval != STATUS_SUCCESS) { + if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, STATUS_FAIL); + } + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, retval); + } + + old_blk = xd_get_l2p_tbl(chip, zone_no, log_off); + if (old_blk == BLK_NOT_FOUND) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + RTS51X_DEBUGP("old_blk = 0x%x\n", old_blk); + if (srb->sc_data_direction == DMA_TO_DEVICE) + RTS51X_DEBUGP("new_blk = 0x%x\n", new_blk); + + while (total_sec_cnt) { + if ((start_page + total_sec_cnt) > (xd_card->page_off + 1)) + end_page = xd_card->page_off + 1; + else + end_page = start_page + (u8) total_sec_cnt; + page_cnt = end_page - start_page; + if (srb->sc_data_direction == DMA_FROM_DEVICE) { + retval = xd_read_multiple_pages(chip, old_blk, log_blk, + start_page, end_page, + buf, &ptr, &offset); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, STATUS_FAIL); + } + } else { + retval = + xd_write_multiple_pages(chip, old_blk, new_blk, + log_blk, start_page, + end_page, buf, &ptr, + &offset); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + total_sec_cnt -= page_cnt; + + if (total_sec_cnt == 0) + break; + + log_blk++; + zone_no = (int)(log_blk / 1000); + log_off = (u16) (log_blk % 1000); + + if (xd_card->zone[zone_no].build_flag == 0) { + retval = xd_build_l2p_tbl(chip, zone_no); + if (retval != STATUS_SUCCESS) { + chip->card_fail |= XD_CARD; + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, retval); + } + } + + old_blk = xd_get_l2p_tbl(chip, zone_no, log_off); + if (old_blk == BLK_NOT_FOUND) { + if (srb->sc_data_direction == DMA_FROM_DEVICE) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_WRITE_ERR); + } + TRACE_RET(chip, STATUS_FAIL); + } + + if (srb->sc_data_direction == DMA_TO_DEVICE) { + new_blk = xd_get_unused_block(chip, zone_no); + if (new_blk == BLK_NOT_FOUND) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, STATUS_FAIL); + } + } + + start_page = 0; + } + + if ((srb->sc_data_direction == DMA_TO_DEVICE) && + (end_page != (xd_card->page_off + 1))) { + delay_write->delay_write_flag = 1; + delay_write->old_phyblock = old_blk; + delay_write->new_phyblock = new_blk; + delay_write->logblock = log_blk; + delay_write->pageoff = end_page; + } + + scsi_set_resid(srb, 0); + + return STATUS_SUCCESS; +} + +void xd_free_l2p_tbl(struct rts51x_chip *chip) +{ + struct xd_info *xd_card = &(chip->xd_card); + int i = 0; + + if (xd_card->zone != NULL) { + for (i = 0; i < xd_card->zone_cnt; i++) { + if (xd_card->zone[i].l2p_table != NULL) { + vfree(xd_card->zone[i].l2p_table); + xd_card->zone[i].l2p_table = NULL; + } + if (xd_card->zone[i].free_table != NULL) { + vfree(xd_card->zone[i].free_table); + xd_card->zone[i].free_table = NULL; + } + } + vfree(xd_card->zone); + xd_card->zone = NULL; + } +} + +void xd_cleanup_work(struct rts51x_chip *chip) +{ + struct xd_info *xd_card = &(chip->xd_card); + + if (xd_card->delay_write.delay_write_flag) { + RTS51X_DEBUGP("xD: delay write\n"); + xd_delay_write(chip); + xd_card->counter = 0; + } +} + +int xd_power_off_card3v3(struct rts51x_chip *chip) +{ + int retval; + + rts51x_init_cmd(chip); + + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, XD_CLK_EN, 0); + + if (chip->asic_code) + xd_pull_ctl_disable(chip); + else + rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF, 0xDF); + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0); + if (!chip->option.FT2_fast_mode) { + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK, + POWER_OFF); + if (CHECK_PKG(chip, LQFP48) + || chip->option.rts5129_D3318_off_enable) + rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, + DV3318_AUTO_PWR_OFF, 0); + } + + retval = rts51x_send_cmd(chip, MODE_C, 100); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + return STATUS_SUCCESS; +} + +int release_xd_card(struct rts51x_chip *chip) +{ + struct xd_info *xd_card = &(chip->xd_card); + int retval; + + RTS51X_DEBUGP("elease_xd_card\n"); + + chip->card_ready &= ~XD_CARD; + chip->card_fail &= ~XD_CARD; + chip->card_wp &= ~XD_CARD; + + xd_card->delay_write.delay_write_flag = 0; + + xd_free_l2p_tbl(chip); + + rts51x_write_register(chip, SFSM_ED, HW_CMD_STOP, HW_CMD_STOP); + + retval = xd_power_off_card3v3(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, retval); + + if (chip->asic_code && CHECK_PKG(chip, QFN24)) + wait_timeout(20); + + return STATUS_SUCCESS; +} diff --git a/drivers/staging/rts5139/xd.h b/drivers/staging/rts5139/xd.h new file mode 100644 index 0000000..fa69590 --- /dev/null +++ b/drivers/staging/rts5139/xd.h @@ -0,0 +1,193 @@ +/* Driver for Realtek RTS51xx USB card reader + * Header file + * + * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@xxxxxxxxxxxxxx) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + */ + +#ifndef __RTS51X_XD_H +#define __RTS51X_XD_H + +/* Error Codes */ +#define XD_NO_ERROR 0x00 +#define XD_NO_MEMORY 0x80 +#define XD_PRG_ERROR 0x40 +#define XD_NO_CARD 0x20 +#define XD_READ_FAIL 0x10 +#define XD_ERASE_FAIL 0x08 +#define XD_WRITE_FAIL 0x04 +#define XD_ECC_ERROR 0x02 +#define XD_TO_ERROR 0x01 + +/* XD Commands */ +#define READ1_1 0x00 +#define READ1_2 0x01 +#define READ2 0x50 +#define READ_ID 0x90 +#define RESET 0xff +#define PAGE_PRG_1 0x80 +#define PAGE_PRG_2 0x10 +#define BLK_ERASE_1 0x60 +#define BLK_ERASE_2 0xD0 +#define READ_STS 0x70 +#define READ_xD_ID 0x9A +#define COPY_BACK_512 0x8A +#define COPY_BACK_2K 0x85 +#define READ1_1_2 0x30 +#define READ1_1_3 0x35 +#define CHG_DAT_OUT_1 0x05 +#define RDM_DAT_OUT_1 0x05 +#define CHG_DAT_OUT_2 0xE0 +#define RDM_DAT_OUT_2 0xE0 +#define CHG_DAT_OUT_2 0xE0 +#define CHG_DAT_IN_1 0x85 +#define CACHE_PRG 0x15 + +/* Redundant Area Related */ +#define XD_EXTRA_SIZE 0x10 +#define XD_2K_EXTRA_SIZE 0x40 + +/* Define for XD Status */ +#define NOT_WRITE_PROTECTED 0x80 +#define READY_STATE 0x40 +#define PROGRAM_ERROR 0x01 +#define PROGRAM_ERROR_N_1 0x02 +#define INTERNAL_READY 0x20 +#define READY_FLAG 0x5F + +/* Define for device code */ +#define XD_8M_X8_512 0xE6 +#define XD_16M_X8_512 0x73 +#define XD_32M_X8_512 0x75 +#define XD_64M_X8_512 0x76 +#define XD_128M_X8_512 0x79 +#define XD_256M_X8_512 0x71 +#define XD_128M_X8_2048 0xF1 +#define XD_256M_X8_2048 0xDA +#define XD_512M_X8 0xDC +#define XD_128M_X16_2048 0xC1 +#define XD_4M_X8_512_1 0xE3 +#define XD_4M_X8_512_2 0xE5 +#define xD_1G_X8_512 0xD3 +#define xD_2G_X8_512 0xD5 + +#define XD_ID_CODE 0xB5 + +#define VENDOR_BLOCK 0xEFFF +#define CIS_BLOCK 0xDFFF + +#define BLK_NOT_FOUND 0xFFFFFFFF + +#define NO_NEW_BLK 0xFFFFFFFF + +#define PAGE_CORRECTABLE 0x0 +#define PAGE_NOTCORRECTABLE 0x1 + +#define NO_OFFSET 0x0 +#define WITH_OFFSET 0x1 + +#define Sect_Per_Page 4 +#define XD_ADDR_MODE_2C XD_ADDR_MODE_2A + +#define ZONE0_BAD_BLOCK 23 +#define NOT_ZONE0_BAD_BLOCK 24 + +/* Assign address mode */ +#define XD_RW_ADDR 0x01 +#define XD_ERASE_ADDR 0x02 + +/* Macro Definition */ +#define XD_PAGE_512(xd_card) \ + do { \ + (xd_card)->block_shift = 5; \ + (xd_card)->page_off = 0x1F; \ + } while (0) + +#define XD_SET_BAD_NEWBLK(xd_card) ((xd_card)->multi_flag |= 0x01) +#define XD_CLR_BAD_NEWBLK(xd_card) ((xd_card)->multi_flag &= ~0x01) +#define XD_CHK_BAD_NEWBLK(xd_card) ((xd_card)->multi_flag & 0x01) + +#define XD_SET_BAD_OLDBLK(xd_card) ((xd_card)->multi_flag |= 0x02) +#define XD_CLR_BAD_OLDBLK(xd_card) ((xd_card)->multi_flag &= ~0x02) +#define XD_CHK_BAD_OLDBLK(xd_card) ((xd_card)->multi_flag & 0x02) + +#define XD_SET_MBR_FAIL(xd_card) ((xd_card)->multi_flag |= 0x04) +#define XD_CLR_MBR_FAIL(xd_card) ((xd_card)->multi_flag &= ~0x04) +#define XD_CHK_MBR_FAIL(xd_card) ((xd_card)->multi_flag & 0x04) + +#define XD_SET_ECC_FLD_ERR(xd_card) ((xd_card)->multi_flag |= 0x08) +#define XD_CLR_ECC_FLD_ERR(xd_card) ((xd_card)->multi_flag &= ~0x08) +#define XD_CHK_ECC_FLD_ERR(xd_card) ((xd_card)->multi_flag & 0x08) + +#define XD_SET_4MB(xd_card) ((xd_card)->multi_flag |= 0x10) +#define XD_CLR_4MB(xd_card) ((xd_card)->multi_flag &= ~0x10) +#define XD_CHK_4MB(xd_card) ((xd_card)->multi_flag & 0x10) + +#define XD_SET_ECC_ERR(xd_card) ((xd_card)->multi_flag |= 0x40) +#define XD_CLR_ECC_ERR(xd_card) ((xd_card)->multi_flag &= ~0x40) +#define XD_CHK_ECC_ERR(xd_card) ((xd_card)->multi_flag & 0x40) + +/* Offset in xD redundant buffer */ +#define PAGE_STATUS 0 +#define BLOCK_STATUS 1 +#define BLOCK_ADDR1_L 2 +#define BLOCK_ADDR1_H 3 +#define BLOCK_ADDR2_L 4 +#define BLOCK_ADDR2_H 5 +#define RESERVED0 6 +#define RESERVED1 7 +#define RESERVED2 8 +#define RESERVED3 9 +#define PARITY 10 + +/* For CIS block */ +#define CIS0_0 0 +#define CIS0_1 1 +#define CIS0_2 2 +#define CIS0_3 3 +#define CIS0_4 4 +#define CIS0_5 5 +#define CIS0_6 6 +#define CIS0_7 7 +#define CIS0_8 8 +#define CIS0_9 9 +#define CIS1_0 256 +#define CIS1_1 (256 + 1) +#define CIS1_2 (256 + 2) +#define CIS1_3 (256 + 3) +#define CIS1_4 (256 + 4) +#define CIS1_5 (256 + 5) +#define CIS1_6 (256 + 6) +#define CIS1_7 (256 + 7) +#define CIS1_8 (256 + 8) +#define CIS1_9 (256 + 9) + +int reset_xd_card(struct rts51x_chip *chip); +int xd_delay_write(struct rts51x_chip *chip); +int xd_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector, + u16 sector_cnt); +void xd_free_l2p_tbl(struct rts51x_chip *chip); +void xd_cleanup_work(struct rts51x_chip *chip); +int xd_power_off_card3v3(struct rts51x_chip *chip); +int release_xd_card(struct rts51x_chip *chip); + +#endif /* __RTS51X_XD_H */ -- 1.7.4.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
