On Tue, 30 Apr 2024 09:25:44 +0200,
Baojun Xu wrote:
>
> Firmware download and parser lib for tas2781 hda spi driver.
>
> Signed-off-by: Baojun Xu <baojun.xu@xxxxxx>
When this is no independent module but also included in tas2781-spi
driver module, you don't need MODULE_*() for this file. Otherwise
they conflict with the definitions in tas2781_hda_spi.c.
Takashi
>
> ---
> v4:
> - Add types.h included
> - Add tas2781-dsp.h included
> - Change error bit define from 0x40000000 to BIT(31)
> - Remove pre-block process as no active_dev needed
> - Change usleep_range() to fsleep()
> - Move variables froblk_offsetm tasdevice to tasdevice_priv
> - Move subblk_offset initial into default
> - Remove active_dev check
> - Move variables into tasdevice_priv structure
> - Change format for condition check in if
> v3:
> - Update format and variables declare order.
> - Change format of multi conditions for if.
> - Remove casting which is not needed.
> - Change variables type to avoid casting.
> - Remove Unneeded parentheses.
> - Change if check to avoid goto.
> - Add {} for keep same style.
> - Remove some local variables, use elements in structure directly.
> v2:
> - Remove file name in tas2781_spi_fwlib.c.
> - Remove #include <linux/i2c.h> as it not needed in SPI mode.
> - Change TAB to speace in micro define in tas2781_spi_fwlib.c.
> - Change to up-case for DSP.
> - Change all of multi-line comments format, empty first line.
> - Change all of sizeof(struct xx) to sizeof(*xx).
> - Remove Explicit casting for variables compare to avoid possible fault.
> - Return directly without goto.
> - Change 1 << xx to BIT(xx).
> - Remove deviceNumber[] as current SPI device will support one device only.
> - Add memory free before return error.
> - Change "buf[offset]; offset += 1" to buf[offset++].
> - Remove some debug information print.
> - Change firmware binary to single device mode.
> - Change all bexx_to_cpup() to get_unaligned_bexx().
> - Remove ndev process as current SPI device support single device only.
> - Remove chn and chnend for single device support only.
> - Change all of registers read/write function, remove parameter chn.
> - Create new function for single write, burst write, delay, field write
> in tasdevice_process_block().
> ---
> sound/pci/hda/tas2781_spi_fwlib.c | 2252 +++++++++++++++++++++++++++++
> 1 file changed, 2252 insertions(+)
> create mode 100644 sound/pci/hda/tas2781_spi_fwlib.c
>
> diff --git a/sound/pci/hda/tas2781_spi_fwlib.c b/sound/pci/hda/tas2781_spi_fwlib.c
> new file mode 100644
> index 000000000000..f39e7ff5b09d
> --- /dev/null
> +++ b/sound/pci/hda/tas2781_spi_fwlib.c
> @@ -0,0 +1,2252 @@
> +// SPDX-License-Identifier: GPL-2.0
> +//
> +// TAS2781 HDA SPI driver
> +//
> +// Copyright 2024 Texas Instruments, Inc.
> +//
> +// Author: Baojun Xu <baojun.xu@xxxxxx>
> +
> +#include <asm/unaligned.h>
> +#include <linux/crc8.h>
> +#include <linux/firmware.h>
> +#include <linux/init.h>
> +#include <linux/interrupt.h>
> +#include <linux/module.h>
> +#include <linux/regmap.h>
> +#include <linux/slab.h>
> +#include <linux/types.h>
> +#include <sound/pcm_params.h>
> +#include <sound/soc.h>
> +#include <sound/tas2781-dsp.h>
> +#include <sound/tlv.h>
> +
> +#include "tas2781-spi.h"
> +
> +#define OFFSET_ERROR_BIT BIT(31)
> +
> +#define ERROR_PRAM_CRCCHK 0x0000000
> +#define ERROR_YRAM_CRCCHK 0x0000001
> +#define PPC_DRIVER_CRCCHK 0x00000200
> +
> +#define TAS2781_SA_COEFF_SWAP_REG TASDEVICE_REG(0, 0x35, 0x2c)
> +#define TAS2781_YRAM_BOOK1 140
> +#define TAS2781_YRAM1_PAGE 42
> +#define TAS2781_YRAM1_START_REG 88
> +
> +#define TAS2781_YRAM2_START_PAGE 43
> +#define TAS2781_YRAM2_END_PAGE 49
> +#define TAS2781_YRAM2_START_REG 8
> +#define TAS2781_YRAM2_END_REG 127
> +
> +#define TAS2781_YRAM3_PAGE 50
> +#define TAS2781_YRAM3_START_REG 8
> +#define TAS2781_YRAM3_END_REG 27
> +
> +/* should not include B0_P53_R44-R47 */
> +#define TAS2781_YRAM_BOOK2 0
> +#define TAS2781_YRAM4_START_PAGE 50
> +#define TAS2781_YRAM4_END_PAGE 60
> +
> +#define TAS2781_YRAM5_PAGE 61
> +#define TAS2781_YRAM5_START_REG TAS2781_YRAM3_START_REG
> +#define TAS2781_YRAM5_END_REG TAS2781_YRAM3_END_REG
> +
> +#define TASDEVICE_MAXPROGRAM_NUM_KERNEL 5
> +#define TASDEVICE_MAXCONFIG_NUM_KERNEL_MULTIPLE_AMPS 64
> +#define TASDEVICE_MAXCONFIG_NUM_KERNEL 10
> +#define MAIN_ALL_DEVICES_1X 0x01
> +#define MAIN_DEVICE_A_1X 0x02
> +#define MAIN_DEVICE_B_1X 0x03
> +#define MAIN_DEVICE_C_1X 0x04
> +#define MAIN_DEVICE_D_1X 0x05
> +#define COEFF_DEVICE_A_1X 0x12
> +#define COEFF_DEVICE_B_1X 0x13
> +#define COEFF_DEVICE_C_1X 0x14
> +#define COEFF_DEVICE_D_1X 0x15
> +#define PRE_DEVICE_A_1X 0x22
> +#define PRE_DEVICE_B_1X 0x23
> +#define PRE_DEVICE_C_1X 0x24
> +#define PRE_DEVICE_D_1X 0x25
> +#define PRE_SOFTWARE_RESET_DEVICE_A 0x41
> +#define PRE_SOFTWARE_RESET_DEVICE_B 0x42
> +#define PRE_SOFTWARE_RESET_DEVICE_C 0x43
> +#define PRE_SOFTWARE_RESET_DEVICE_D 0x44
> +#define POST_SOFTWARE_RESET_DEVICE_A 0x45
> +#define POST_SOFTWARE_RESET_DEVICE_B 0x46
> +#define POST_SOFTWARE_RESET_DEVICE_C 0x47
> +#define POST_SOFTWARE_RESET_DEVICE_D 0x48
> +
> +struct tas_crc {
> + unsigned char offset;
> + unsigned char len;
> +};
> +
> +struct blktyp_devidx_map {
> + unsigned char blktyp;
> + unsigned char dev_idx;
> +};
> +
> +/* fixed m68k compiling issue: mapping table can save code field */
> +static const struct blktyp_devidx_map ppc3_tas2781_mapping_table[] = {
> + { MAIN_ALL_DEVICES_1X, 0x80 },
> + { MAIN_DEVICE_A_1X, 0x81 },
> + { COEFF_DEVICE_A_1X, 0xC1 },
> + { PRE_DEVICE_A_1X, 0xC1 },
> + { PRE_SOFTWARE_RESET_DEVICE_A, 0xC1 },
> + { POST_SOFTWARE_RESET_DEVICE_A, 0xC1 },
> + { MAIN_DEVICE_B_1X, 0x82 },
> + { COEFF_DEVICE_B_1X, 0xC2 },
> + { PRE_DEVICE_B_1X, 0xC2 },
> + { PRE_SOFTWARE_RESET_DEVICE_B, 0xC2 },
> + { POST_SOFTWARE_RESET_DEVICE_B, 0xC2 },
> + { MAIN_DEVICE_C_1X, 0x83 },
> + { COEFF_DEVICE_C_1X, 0xC3 },
> + { PRE_DEVICE_C_1X, 0xC3 },
> + { PRE_SOFTWARE_RESET_DEVICE_C, 0xC3 },
> + { POST_SOFTWARE_RESET_DEVICE_C, 0xC3 },
> + { MAIN_DEVICE_D_1X, 0x84 },
> + { COEFF_DEVICE_D_1X, 0xC4 },
> + { PRE_DEVICE_D_1X, 0xC4 },
> + { PRE_SOFTWARE_RESET_DEVICE_D, 0xC4 },
> + { POST_SOFTWARE_RESET_DEVICE_D, 0xC4 },
> +};
> +
> +static const struct blktyp_devidx_map ppc3_mapping_table[] = {
> + { MAIN_ALL_DEVICES_1X, 0x80 },
> + { MAIN_DEVICE_A_1X, 0x81 },
> + { COEFF_DEVICE_A_1X, 0xC1 },
> + { PRE_DEVICE_A_1X, 0xC1 },
> + { MAIN_DEVICE_B_1X, 0x82 },
> + { COEFF_DEVICE_B_1X, 0xC2 },
> + { PRE_DEVICE_B_1X, 0xC2 },
> + { MAIN_DEVICE_C_1X, 0x83 },
> + { COEFF_DEVICE_C_1X, 0xC3 },
> + { PRE_DEVICE_C_1X, 0xC3 },
> + { MAIN_DEVICE_D_1X, 0x84 },
> + { COEFF_DEVICE_D_1X, 0xC4 },
> + { PRE_DEVICE_D_1X, 0xC4 },
> +};
> +
> +static const struct blktyp_devidx_map non_ppc3_mapping_table[] = {
> + { MAIN_ALL_DEVICES, 0x80 },
> + { MAIN_DEVICE_A, 0x81 },
> + { COEFF_DEVICE_A, 0xC1 },
> + { PRE_DEVICE_A, 0xC1 },
> + { MAIN_DEVICE_B, 0x82 },
> + { COEFF_DEVICE_B, 0xC2 },
> + { PRE_DEVICE_B, 0xC2 },
> + { MAIN_DEVICE_C, 0x83 },
> + { COEFF_DEVICE_C, 0xC3 },
> + { PRE_DEVICE_C, 0xC3 },
> + { MAIN_DEVICE_D, 0x84 },
> + { COEFF_DEVICE_D, 0xC4 },
> + { PRE_DEVICE_D, 0xC4 },
> +};
> +
> +static struct tasdevice_config_info *tasdevice_add_config(
> + struct tasdevice_priv *tas_priv, unsigned char *config_data,
> + unsigned int config_size, int *status)
> +{
> + struct tasdevice_config_info *cfg_info;
> + struct tasdev_blk_data **bk_da;
> + unsigned int config_offset = 0;
> + unsigned int i;
> +
> + /*
> + * In most projects are many audio cases, such as music, handfree,
> + * receiver, games, audio-to-haptics, PMIC record, bypass mode,
> + * portrait, landscape, etc. Even in multiple audios, one or
> + * two of the chips will work for the special case, such as
> + * ultrasonic application. In order to support these variable-numbers
> + * of audio cases, flexible configs have been introduced in the
> + * DSP firmware.
> + */
> + cfg_info = kzalloc(sizeof(*cfg_info), GFP_KERNEL);
> + if (!cfg_info) {
> + *status = -ENOMEM;
> + return NULL;
> + }
> +
> + if (tas_priv->rcabin.fw_hdr.binary_version_num >= 0x105) {
> + if ((config_offset + 64) > config_size) {
> + *status = -EINVAL;
> + dev_err(tas_priv->dev, "add conf: Out of boundary\n");
> + goto out;
> + }
> + config_offset += 64;
> + }
> +
> + if ((config_offset + 4) > config_size) {
> + *status = -EINVAL;
> + dev_err(tas_priv->dev, "add config: Out of boundary\n");
> + goto out;
> + }
> +
> + /*
> + * convert data[offset], data[offset + 1], data[offset + 2] and
> + * data[offset + 3] into host
> + */
> + cfg_info->nblocks = get_unaligned_be32(&config_data[config_offset]);
> + config_offset += 4;
> +
> + /*
> + * Several kinds of dsp/algorithm firmwares can run on tas2781,
> + * the number and size of blk are not fixed and different among
> + * these firmwares.
> + */
> + bk_da = cfg_info->blk_data = kcalloc(cfg_info->nblocks,
> + sizeof(*bk_da), GFP_KERNEL);
> + if (!bk_da) {
> + *status = -ENOMEM;
> + goto out;
> + }
> + cfg_info->real_nblocks = 0;
> + for (i = 0; i < cfg_info->nblocks; i++) {
> + if (config_offset + 12 > config_size) {
> + *status = -EINVAL;
> + dev_err(tas_priv->dev,
> + "%s: Out of boundary: i = %d nblocks = %u!\n",
> + __func__, i, cfg_info->nblocks);
> + goto out1;
> + }
> + bk_da[i] = kzalloc(sizeof(*bk_da[i]), GFP_KERNEL);
> + if (!bk_da[i]) {
> + *status = -ENOMEM;
> + goto out1;
> + }
> +
> + bk_da[i]->dev_idx = config_data[config_offset];
> + config_offset++;
> +
> + bk_da[i]->block_type = config_data[config_offset];
> + config_offset++;
> +
> + bk_da[i]->yram_checksum =
> + get_unaligned_be16(&config_data[config_offset]);
> + config_offset += 2;
> + bk_da[i]->block_size =
> + get_unaligned_be32(&config_data[config_offset]);
> + config_offset += 4;
> +
> + bk_da[i]->n_subblks =
> + get_unaligned_be32(&config_data[config_offset]);
> +
> + config_offset += 4;
> +
> + if (config_offset + bk_da[i]->block_size > config_size) {
> + *status = -EINVAL;
> + dev_err(tas_priv->dev,
> + "%s: Out of boundary: i = %d blks = %u!\n",
> + __func__, i, cfg_info->nblocks);
> + goto out1;
> + }
> + /* instead of kzalloc+memcpy */
> + bk_da[i]->regdata = kmemdup(&config_data[config_offset],
> + bk_da[i]->block_size, GFP_KERNEL);
> + if (!bk_da[i]->regdata) {
> + *status = -ENOMEM;
> + i++;
> + goto out1;
> + }
> +
> + config_offset += bk_da[i]->block_size;
> + cfg_info->real_nblocks += 1;
> + }
> +
> + return cfg_info;
> +out1:
> + for (int j = 0; j < i; j++)
> + kfree(bk_da[j]);
> + kfree(bk_da);
> +out:
> + kfree(cfg_info);
> + return NULL;
> +}
> +
> +int tasdevice_spi_rca_parser(void *context, const struct firmware *fmw)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + struct tasdevice_config_info **cfg_info;
> + struct tasdevice_rca_hdr *fw_hdr;
> + struct tasdevice_rca *rca;
> + unsigned int total_config_sz = 0;
> + int offset = 0, ret = 0, i;
> + unsigned char *buf;
> +
> + rca = &(tas_priv->rcabin);
> + fw_hdr = &(rca->fw_hdr);
> + if (!fmw || !fmw->data) {
> + dev_err(tas_priv->dev, "Failed to read %s\n",
> + tas_priv->rca_binaryname);
> + tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
> + return -EINVAL;
> + }
> + buf = (unsigned char *)fmw->data;
> + fw_hdr->img_sz = get_unaligned_be32(&buf[offset]);
> + offset += 4;
> + if (fw_hdr->img_sz != fmw->size) {
> + dev_err(tas_priv->dev,
> + "File size not match, %d %u", (int)fmw->size,
> + fw_hdr->img_sz);
> + tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
> + return -EINVAL;
> + }
> +
> + fw_hdr->checksum = get_unaligned_be32(&buf[offset]);
> + offset += 4;
> + fw_hdr->binary_version_num = get_unaligned_be32(&buf[offset]);
> + if (fw_hdr->binary_version_num < 0x103) {
> + dev_err(tas_priv->dev, "File version 0x%04x is too low",
> + fw_hdr->binary_version_num);
> + tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
> + return -EINVAL;
> + }
> + offset += 4;
> + fw_hdr->drv_fw_version = get_unaligned_be32(&buf[offset]);
> + offset += 8;
> + fw_hdr->plat_type = buf[offset++];
> + fw_hdr->dev_family = buf[offset++];
> + fw_hdr->reserve = buf[offset++];
> + fw_hdr->ndev = buf[offset++];
> + if (offset + TASDEVICE_DEVICE_SUM > fw_hdr->img_sz) {
> + dev_err(tas_priv->dev, "rca_ready: Out of boundary!\n");
> + tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
> + return -EINVAL;
> + }
> +
> + for (i = 0; i < TASDEVICE_DEVICE_SUM; i++, offset++)
> + fw_hdr->devs[i] = buf[offset];
> +
> + fw_hdr->nconfig = get_unaligned_be32(&buf[offset]);
> + offset += 4;
> +
> + for (i = 0; i < TASDEVICE_CONFIG_SUM; i++) {
> + fw_hdr->config_size[i] = get_unaligned_be32(&buf[offset]);
> + offset += 4;
> + total_config_sz += fw_hdr->config_size[i];
> + }
> +
> + if (fw_hdr->img_sz - total_config_sz != (unsigned int)offset) {
> + dev_err(tas_priv->dev, "Bin file err %d - %d != %d!\n",
> + fw_hdr->img_sz, total_config_sz, (int)offset);
> + tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
> + return -EINVAL;
> + }
> +
> + cfg_info = kcalloc(fw_hdr->nconfig, sizeof(*cfg_info), GFP_KERNEL);
> + if (!cfg_info) {
> + tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
> + return -ENOMEM;
> + }
> + rca->cfg_info = cfg_info;
> + rca->ncfgs = 0;
> + for (i = 0; i < (int)fw_hdr->nconfig; i++) {
> + rca->ncfgs += 1;
> + cfg_info[i] = tasdevice_add_config(tas_priv, &buf[offset],
> + fw_hdr->config_size[i], &ret);
> + if (ret) {
> + tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
> + return ret;
> + }
> + offset += (int)fw_hdr->config_size[i];
> + }
> +
> + return ret;
> +}
> +
> +/* fixed m68k compiling issue: mapping table can save code field */
> +static unsigned char map_dev_idx(struct tasdevice_fw *tas_fmw,
> + struct tasdev_blk *block)
> +{
> + struct blktyp_devidx_map *p =
> + (struct blktyp_devidx_map *)non_ppc3_mapping_table;
> + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr);
> + struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &(fw_hdr->fixed_hdr);
> + int i, n = ARRAY_SIZE(non_ppc3_mapping_table);
> + unsigned char dev_idx = 0;
> +
> + if (fw_fixed_hdr->ppcver >= PPC3_VERSION_TAS2781) {
> + p = (struct blktyp_devidx_map *)ppc3_tas2781_mapping_table;
> + n = ARRAY_SIZE(ppc3_tas2781_mapping_table);
> + } else if (fw_fixed_hdr->ppcver >= PPC3_VERSION) {
> + p = (struct blktyp_devidx_map *)ppc3_mapping_table;
> + n = ARRAY_SIZE(ppc3_mapping_table);
> + }
> +
> + for (i = 0; i < n; i++) {
> + if (block->type == p[i].blktyp) {
> + dev_idx = p[i].dev_idx;
> + break;
> + }
> + }
> +
> + return dev_idx;
> +}
> +
> +static int fw_parse_block_data_kernel(struct tasdevice_fw *tas_fmw,
> + struct tasdev_blk *block, const struct firmware *fmw, int offset)
> +{
> + const unsigned char *data = fmw->data;
> +
> + if (offset + 16 > fmw->size) {
> + dev_err(tas_fmw->dev, "%s: File Size error\n", __func__);
> + return -EINVAL;
> + }
> +
> + /*
> + * Convert data[offset], data[offset + 1], data[offset + 2] and
> + * data[offset + 3] into host.
> + */
> + block->type = get_unaligned_be32(&data[offset]);
> + offset += 4;
> +
> + block->is_pchksum_present = data[offset++];
> + block->pchksum = data[offset++];
> + block->is_ychksum_present = data[offset++];
> + block->ychksum = data[offset++];
> + block->blk_size = get_unaligned_be32(&data[offset]);
> + offset += 4;
> + block->nr_subblocks = get_unaligned_be32(&data[offset]);
> + offset += 4;
> +
> + /*
> + * Fixed m68k compiling issue:
> + * 1. mapping table can save code field.
> + * 2. storing the dev_idx as a member of block can reduce unnecessary
> + * time and system resource comsumption of dev_idx mapping every
> + * time the block data writing to the dsp.
> + */
> + block->dev_idx = map_dev_idx(tas_fmw, block);
> +
> + if (offset + block->blk_size > fmw->size) {
> + dev_err(tas_fmw->dev, "%s: nSublocks error\n", __func__);
> + return -EINVAL;
> + }
> + /* instead of kzalloc+memcpy */
> + block->data = kmemdup(&data[offset], block->blk_size, GFP_KERNEL);
> + if (!block->data)
> + return -ENOMEM;
> +
> + offset += block->blk_size;
> +
> + return offset;
> +}
> +
> +static int fw_parse_data_kernel(struct tasdevice_fw *tas_fmw,
> + struct tasdevice_data *img_data, const struct firmware *fmw,
> + int offset)
> +{
> + const unsigned char *data = fmw->data;
> + struct tasdev_blk *blk;
> + unsigned int i;
> +
> + if (offset + 4 > fmw->size) {
> + dev_err(tas_fmw->dev, "%s: File Size error\n", __func__);
> + return -EINVAL;
> + }
> + img_data->nr_blk = get_unaligned_be32(&data[offset]);
> + offset += 4;
> +
> + img_data->dev_blks = kcalloc(img_data->nr_blk,
> + sizeof(struct tasdev_blk), GFP_KERNEL);
> + if (!img_data->dev_blks)
> + return -ENOMEM;
> +
> + for (i = 0; i < img_data->nr_blk; i++) {
> + blk = &(img_data->dev_blks[i]);
> + offset = fw_parse_block_data_kernel(
> + tas_fmw, blk, fmw, offset);
> + if (offset < 0) {
> + kfree(img_data->dev_blks);
> + return -EINVAL;
> + }
> + }
> +
> + return offset;
> +}
> +
> +static int fw_parse_program_data_kernel(
> + struct tasdevice_priv *tas_priv, struct tasdevice_fw *tas_fmw,
> + const struct firmware *fmw, int offset)
> +{
> + struct tasdevice_prog *program;
> + unsigned int i;
> +
> + for (i = 0; i < tas_fmw->nr_programs; i++) {
> + program = &(tas_fmw->programs[i]);
> + if (offset + 72 > fmw->size) {
> + dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
> + return -EINVAL;
> + }
> + /* skip 72 unused byts */
> + offset += 72;
> +
> + offset = fw_parse_data_kernel(tas_fmw, &(program->dev_data),
> + fmw, offset);
> + if (offset < 0)
> + break;
> + }
> +
> + return offset;
> +}
> +
> +static int fw_parse_configuration_data_kernel(struct tasdevice_priv *tas_priv,
> + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
> +{
> + const unsigned char *data = fmw->data;
> + struct tasdevice_config *config;
> + unsigned int i;
> +
> + for (i = 0; i < tas_fmw->nr_configurations; i++) {
> + config = &(tas_fmw->configs[i]);
> + if (offset + 80 > fmw->size) {
> + dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
> + return -EINVAL;
> + }
> + memcpy(config->name, &data[offset], 64);
> + /* skip extra 16 bytes */
> + offset += 80;
> +
> + offset = fw_parse_data_kernel(tas_fmw, &(config->dev_data),
> + fmw, offset);
> + if (offset < 0)
> + break;
> + }
> +
> + return offset;
> +}
> +
> +static int fw_parse_variable_header_kernel(struct tasdevice_priv *tas_priv,
> + const struct firmware *fmw, int offset)
> +{
> + struct tasdevice_fw *tas_fmw = tas_priv->fmw;
> + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr);
> + struct tasdevice_config *config;
> + struct tasdevice_prog *program;
> + const unsigned char *buf = fmw->data;
> + unsigned short max_confs;
> + unsigned int i;
> +
> + if (offset + 12 + 4 * TASDEVICE_MAXPROGRAM_NUM_KERNEL > fmw->size) {
> + dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
> + return -EINVAL;
> + }
> + fw_hdr->device_family = get_unaligned_be16(&buf[offset]);
> + if (fw_hdr->device_family != 0) {
> + dev_err(tas_priv->dev, "%s:not TAS device\n", __func__);
> + return -EINVAL;
> + }
> + offset += 2;
> + fw_hdr->device = get_unaligned_be16(&buf[offset]);
> + if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE ||
> + fw_hdr->device == 6) {
> + dev_err(tas_priv->dev, "Unsupported dev %d\n", fw_hdr->device);
> + return -EINVAL;
> + }
> + offset += 2;
> +
> + tas_fmw->nr_programs = get_unaligned_be32(&buf[offset]);
> + offset += 4;
> +
> + if (tas_fmw->nr_programs == 0 ||
> + tas_fmw->nr_programs > TASDEVICE_MAXPROGRAM_NUM_KERNEL) {
> + dev_err(tas_priv->dev, "mnPrograms is invalid\n");
> + return -EINVAL;
> + }
> +
> + tas_fmw->programs = kcalloc(tas_fmw->nr_programs,
> + sizeof(*tas_fmw->programs), GFP_KERNEL);
> + if (!tas_fmw->programs)
> + return -ENOMEM;
> +
> + for (i = 0; i < tas_fmw->nr_programs; i++) {
> + program = &(tas_fmw->programs[i]);
> + program->prog_size = get_unaligned_be32(&buf[offset]);
> + offset += 4;
> + }
> +
> + /* Skip the unused prog_size */
> + offset += 4 * (TASDEVICE_MAXPROGRAM_NUM_KERNEL - tas_fmw->nr_programs);
> +
> + tas_fmw->nr_configurations = get_unaligned_be32(&buf[offset]);
> + offset += 4;
> +
> + /*
> + * The max number of config in firmware greater than 4 pieces of
> + * tas2781s is different from the one lower than 4 pieces of
> + * tas2781s.
> + */
> + max_confs = TASDEVICE_MAXCONFIG_NUM_KERNEL;
> + if (tas_fmw->nr_configurations == 0 ||
> + tas_fmw->nr_configurations > max_confs) {
> + dev_err(tas_priv->dev, "%s: Conf is invalid\n", __func__);
> + kfree(tas_fmw->programs);
> + return -EINVAL;
> + }
> +
> + if (offset + 4 * max_confs > fmw->size) {
> + dev_err(tas_priv->dev, "%s: mpConfigurations err\n", __func__);
> + kfree(tas_fmw->programs);
> + return -EINVAL;
> + }
> +
> + tas_fmw->configs = kcalloc(tas_fmw->nr_configurations,
> + sizeof(*tas_fmw->configs), GFP_KERNEL);
> + if (!tas_fmw->configs) {
> + kfree(tas_fmw->programs);
> + return -ENOMEM;
> + }
> +
> + for (i = 0; i < tas_fmw->nr_programs; i++) {
> + config = &(tas_fmw->configs[i]);
> + config->cfg_size = get_unaligned_be32(&buf[offset]);
> + offset += 4;
> + }
> +
> + /* Skip the unused configs */
> + offset += 4 * (max_confs - tas_fmw->nr_programs);
> +
> + return offset;
> +}
> +
> +static int tasdevice_single_byte_wr(void *context, unsigned char *data,
> + int sublocksize)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + unsigned short len = get_unaligned_be16(&data[2]);
> + int i, subblk_offset, rc;
> +
> + subblk_offset = 4;
> + if (subblk_offset + 4 * len > sublocksize) {
> + dev_err(tas_priv->dev, "process_block: Out of boundary\n");
> + return 0;
> + }
> +
> + for (i = 0; i < len; i++) {
> + rc = tasdevice_spi_dev_write(tas_priv,
> + TASDEVICE_REG(data[subblk_offset],
> + data[subblk_offset + 1], data[subblk_offset + 2]),
> + data[subblk_offset + 3]);
> + if (rc < 0) {
> + dev_err(tas_priv->dev,
> + "process_block: single write error\n");
> + subblk_offset |= OFFSET_ERROR_BIT;
> + }
> + subblk_offset += 4;
> + }
> +
> + return subblk_offset;
> +}
> +
> +static int tasdevice_burst_wr(void *context, unsigned char *data,
> + int sublocksize)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + unsigned short len = get_unaligned_be16(&data[2]);
> + int subblk_offset, rc;
> +
> + subblk_offset = 4;
> + if (subblk_offset + 4 + len > sublocksize) {
> + dev_err(tas_priv->dev, "%s: BST Out of boundary\n", __func__);
> + subblk_offset |= OFFSET_ERROR_BIT;
> + }
> + if (len % 4) {
> + dev_err(tas_priv->dev, "%s:Bst-len(%u)not div by 4\n",
> + __func__, len);
> + subblk_offset |= OFFSET_ERROR_BIT;
> + }
> +
> + rc = tasdevice_spi_dev_bulk_write(tas_priv,
> + TASDEVICE_REG(data[subblk_offset], data[subblk_offset + 1],
> + data[subblk_offset + 2]), &(data[subblk_offset + 4]), len);
> + if (rc < 0) {
> + dev_err(tas_priv->dev, "%s: bulk_write error = %d\n",
> + __func__, rc);
> + subblk_offset |= OFFSET_ERROR_BIT;
> + }
> + subblk_offset += (len + 4);
> +
> + return subblk_offset;
> +}
> +
> +static int tasdevice_delay(void *context, unsigned char *data,
> + int sublocksize)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + unsigned int sleep_time, subblk_offset = 2;
> +
> + if (subblk_offset + 2 > sublocksize) {
> + dev_err(tas_priv->dev, "%s: delay Out of boundary\n",
> + __func__);
> + subblk_offset |= OFFSET_ERROR_BIT;
> + }
> + sleep_time = get_unaligned_be16(&data[2]) * 1000;
> + fsleep(sleep_time);
> + subblk_offset += 2;
> +
> + return subblk_offset;
> +}
> +
> +static int tasdevice_field_wr(void *context, unsigned char *data,
> + int sublocksize)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + int rc, subblk_offset = 2;
> +
> + if (subblk_offset + 6 > sublocksize) {
> + dev_err(tas_priv->dev, "%s: bit write Out of boundary\n",
> + __func__);
> + subblk_offset |= OFFSET_ERROR_BIT;
> + }
> + rc = tasdevice_spi_dev_update_bits(tas_priv,
> + TASDEVICE_REG(data[subblk_offset + 2],
> + data[subblk_offset + 3],
> + data[subblk_offset + 4]),
> + data[subblk_offset + 1], data[subblk_offset + 5]);
> + if (rc < 0) {
> + dev_err(tas_priv->dev, "%s: update_bits error = %d\n",
> + __func__, rc);
> + subblk_offset |= OFFSET_ERROR_BIT;
> + }
> + subblk_offset += 6;
> +
> + return subblk_offset;
> +}
> +
> +static int tasdevice_process_block(void *context, unsigned char *data,
> + unsigned char dev_idx, int sublocksize)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + int blktyp = dev_idx & 0xC0, subblk_offset;
> + unsigned char subblk_typ = data[1];
> +
> + if (tas_priv->is_loading == false)
> + return sublocksize;
> +
> + switch (subblk_typ) {
> + case TASDEVICE_CMD_SING_W:
> + subblk_offset = tasdevice_single_byte_wr(tas_priv, data,
> + sublocksize);
> + break;
> + case TASDEVICE_CMD_BURST:
> + subblk_offset = tasdevice_burst_wr(tas_priv, data,
> + sublocksize);
> + break;
> + case TASDEVICE_CMD_DELAY:
> + subblk_offset = tasdevice_delay(tas_priv, data, sublocksize);
> + break;
> + case TASDEVICE_CMD_FIELD_W:
> + subblk_offset = tasdevice_field_wr(tas_priv, data,
> + sublocksize);
> + break;
> + default:
> + subblk_offset = 2;
> + break;
> + }
> + if (((subblk_offset & OFFSET_ERROR_BIT) != 0) && blktyp != 0) {
> + if (blktyp == 0x80) {
> + tas_priv->cur_prog = -1;
> + tas_priv->cur_conf = -1;
> + } else
> + tas_priv->cur_conf = -1;
> + }
> + subblk_offset &= ~OFFSET_ERROR_BIT;
> +
> + return subblk_offset;
> +}
> +
> +void tasdevice_spi_select_cfg_blk(void *pContext, int conf_no,
> + unsigned char block_type)
> +{
> + struct tasdevice_priv *tas_priv = pContext;
> + struct tasdevice_rca *rca = &(tas_priv->rcabin);
> + struct tasdevice_config_info **cfg_info = rca->cfg_info;
> + struct tasdev_blk_data **blk_data;
> + unsigned int j, k;
> +
> + if (conf_no >= rca->ncfgs || conf_no < 0 || !cfg_info) {
> + dev_err(tas_priv->dev, "conf_no should be not more than %u\n",
> + rca->ncfgs);
> + return;
> + }
> + blk_data = cfg_info[conf_no]->blk_data;
> +
> + for (j = 0; j < cfg_info[conf_no]->real_nblocks; j++) {
> + unsigned int length = 0, rc = 0;
> +
> + if (block_type > 5 || block_type < 2) {
> + dev_err(tas_priv->dev,
> + "block_type should be in range from 2 to 5\n");
> + break;
> + }
> + if (block_type != blk_data[j]->block_type)
> + continue;
> +
> + for (k = 0; k < blk_data[j]->n_subblks; k++) {
> + tas_priv->is_loading = true;
> +
> + rc = tasdevice_process_block(tas_priv,
> + blk_data[j]->regdata + length,
> + blk_data[j]->dev_idx,
> + blk_data[j]->block_size - length);
> + length += rc;
> + if (blk_data[j]->block_size < length) {
> + dev_err(tas_priv->dev,
> + "%s: %u %u out of boundary\n",
> + __func__, length,
> + blk_data[j]->block_size);
> + break;
> + }
> + }
> + if (length != blk_data[j]->block_size)
> + dev_err(tas_priv->dev, "%s: %u %u size is not same\n",
> + __func__, length, blk_data[j]->block_size);
> + }
> +}
> +
> +static int tasdevice_load_block_kernel(
> + struct tasdevice_priv *tasdevice, struct tasdev_blk *block)
> +{
> + const unsigned int blk_size = block->blk_size;
> + unsigned char *data = block->data;
> + unsigned int i, length;
> +
> + for (i = 0, length = 0; i < block->nr_subblocks; i++) {
> + int rc = tasdevice_process_block(tasdevice, data + length,
> + block->dev_idx, blk_size - length);
> + if (rc < 0) {
> + dev_err(tasdevice->dev,
> + "%s: %u %u sublock write error\n",
> + __func__, length, blk_size);
> + break;
> + }
> + length += rc;
> + if (blk_size < length) {
> + dev_err(tasdevice->dev, "%s: %u %u out of boundary\n",
> + __func__, length, blk_size);
> + break;
> + }
> + }
> +
> + return 0;
> +}
> +
> +static int fw_parse_variable_hdr(struct tasdevice_priv *tas_priv,
> + struct tasdevice_dspfw_hdr *fw_hdr,
> + const struct firmware *fmw, int offset)
> +{
> + const unsigned char *buf = fmw->data;
> + int len = strlen((char *)&buf[offset]);
> +
> + len++;
> +
> + if (offset + len + 8 > fmw->size) {
> + dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
> + return -EINVAL;
> + }
> +
> + offset += len;
> +
> + fw_hdr->device_family = get_unaligned_be32(&buf[offset]);
> + if (fw_hdr->device_family != 0) {
> + dev_err(tas_priv->dev, "%s: not TAS device\n", __func__);
> + return -EINVAL;
> + }
> + offset += 4;
> +
> + fw_hdr->device = get_unaligned_be32(&buf[offset]);
> + if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE ||
> + fw_hdr->device == 6) {
> + dev_err(tas_priv->dev, "Unsupported dev %d\n", fw_hdr->device);
> + return -EINVAL;
> + }
> + offset += 4;
> + fw_hdr->ndev = 1;
> +
> + return offset;
> +}
> +
> +static int fw_parse_variable_header_git(struct tasdevice_priv
> + *tas_priv, const struct firmware *fmw, int offset)
> +{
> + struct tasdevice_fw *tas_fmw = tas_priv->fmw;
> + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr);
> +
> + offset = fw_parse_variable_hdr(tas_priv, fw_hdr, fmw, offset);
> +
> + return offset;
> +}
> +
> +static int fw_parse_block_data(struct tasdevice_fw *tas_fmw,
> + struct tasdev_blk *block, const struct firmware *fmw, int offset)
> +{
> + unsigned char *data = (unsigned char *)fmw->data;
> + int n;
> +
> + if (offset + 8 > fmw->size) {
> + dev_err(tas_fmw->dev, "%s: Type error\n", __func__);
> + return -EINVAL;
> + }
> + block->type = get_unaligned_be32(&data[offset]);
> + offset += 4;
> +
> + if (tas_fmw->fw_hdr.fixed_hdr.drv_ver >= PPC_DRIVER_CRCCHK) {
> + if (offset + 8 > fmw->size) {
> + dev_err(tas_fmw->dev, "PChkSumPresent error\n");
> + return -EINVAL;
> + }
> + block->is_pchksum_present = data[offset];
> + offset++;
> +
> + block->pchksum = data[offset];
> + offset++;
> +
> + block->is_ychksum_present = data[offset];
> + offset++;
> +
> + block->ychksum = data[offset];
> + offset++;
> + } else {
> + block->is_pchksum_present = 0;
> + block->is_ychksum_present = 0;
> + }
> +
> + block->nr_cmds = get_unaligned_be32(&data[offset]);
> + offset += 4;
> +
> + n = block->nr_cmds * 4;
> + if (offset + n > fmw->size) {
> + dev_err(tas_fmw->dev,
> + "%s: File Size(%lu) error offset = %d n = %d\n",
> + __func__, (unsigned long)fmw->size, offset, n);
> + return -EINVAL;
> + }
> + /* instead of kzalloc+memcpy */
> + block->data = kmemdup(&data[offset], n, GFP_KERNEL);
> + if (!block->data)
> + return -ENOMEM;
> +
> + offset += n;
> +
> + return offset;
> +}
> +
> +/*
> + * When parsing error occurs, all the memory resource will be released
> + * in the end of tasdevice_rca_ready.
> + */
> +static int fw_parse_data(struct tasdevice_fw *tas_fmw,
> + struct tasdevice_data *img_data, const struct firmware *fmw,
> + int offset)
> +{
> + const unsigned char *data = (unsigned char *)fmw->data;
> + struct tasdev_blk *blk;
> + unsigned int i, n;
> +
> + if (offset + 64 > fmw->size) {
> + dev_err(tas_fmw->dev, "%s: Name error\n", __func__);
> + return -EINVAL;
> + }
> + memcpy(img_data->name, &data[offset], 64);
> + offset += 64;
> +
> + n = strlen((char *)&data[offset]);
> + n++;
> + if (offset + n + 2 > fmw->size) {
> + dev_err(tas_fmw->dev, "%s: Description error\n", __func__);
> + return -EINVAL;
> + }
> + offset += n;
> + img_data->nr_blk = get_unaligned_be16(&data[offset]);
> + offset += 2;
> +
> + img_data->dev_blks = kcalloc(img_data->nr_blk,
> + sizeof(*img_data->dev_blks), GFP_KERNEL);
> + if (!img_data->dev_blks)
> + return -ENOMEM;
> +
> + for (i = 0; i < img_data->nr_blk; i++) {
> + blk = &(img_data->dev_blks[i]);
> + offset = fw_parse_block_data(tas_fmw, blk, fmw, offset);
> + if (offset < 0)
> + return -EINVAL;
> + }
> +
> + return offset;
> +}
> +
> +/*
> + * When parsing error occurs, all the memory resource will be released
> + * in the end of tasdevice_rca_ready.
> + */
> +static int fw_parse_program_data(struct tasdevice_priv *tas_priv,
> + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
> +{
> + unsigned char *buf = (unsigned char *)fmw->data;
> + struct tasdevice_prog *program;
> + int i;
> +
> + if (offset + 2 > fmw->size) {
> + dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
> + return -EINVAL;
> + }
> + tas_fmw->nr_programs = get_unaligned_be16(&buf[offset]);
> + offset += 2;
> +
> + if (tas_fmw->nr_programs == 0) {
> + /* Not error in calibration Data file, return directly */
> + dev_info(tas_priv->dev, "%s: No Programs data, maybe calbin\n",
> + __func__);
> + return offset;
> + }
> +
> + tas_fmw->programs =
> + kcalloc(tas_fmw->nr_programs, sizeof(*tas_fmw->programs),
> + GFP_KERNEL);
> + if (!tas_fmw->programs)
> + return -ENOMEM;
> +
> + for (i = 0; i < tas_fmw->nr_programs; i++) {
> + int n = 0;
> +
> + program = &(tas_fmw->programs[i]);
> + if (offset + 64 > fmw->size) {
> + dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
> + return -EINVAL;
> + }
> + offset += 64;
> +
> + n = strlen((char *)&buf[offset]);
> + /* skip '\0' and 5 unused bytes */
> + n += 6;
> + if (offset + n > fmw->size) {
> + dev_err(tas_priv->dev, "Description err\n");
> + return -EINVAL;
> + }
> +
> + offset += n;
> +
> + offset = fw_parse_data(tas_fmw, &(program->dev_data), fmw,
> + offset);
> + if (offset < 0)
> + return offset;
> + }
> +
> + return offset;
> +}
> +
> +/*
> + * When parsing error occurs, all the memory resource will be released
> + * in the end of tasdevice_rca_ready.
> + */
> +static int fw_parse_configuration_data(struct tasdevice_priv *tas_priv,
> + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
> +{
> + unsigned char *data = (unsigned char *)fmw->data;
> + struct tasdevice_config *config;
> + unsigned int i, n;
> +
> + if (offset + 2 > fmw->size) {
> + dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
> + return -EINVAL;
> + }
> + tas_fmw->nr_configurations = get_unaligned_be16(&data[offset]);
> + offset += 2;
> +
> + if (tas_fmw->nr_configurations == 0) {
> + dev_err(tas_priv->dev, "%s: Conf is zero\n", __func__);
> + /* Not error for calibration Data file, return directly */
> + return offset;
> + }
> + tas_fmw->configs = kcalloc(tas_fmw->nr_configurations,
> + sizeof(*tas_fmw->configs), GFP_KERNEL);
> + if (!tas_fmw->configs)
> + return -ENOMEM;
> + for (i = 0; i < tas_fmw->nr_configurations; i++) {
> + config = &(tas_fmw->configs[i]);
> + if (offset + 64 > fmw->size) {
> + dev_err(tas_priv->dev, "File Size err\n");
> + return -EINVAL;
> + }
> + memcpy(config->name, &data[offset], 64);
> + offset += 64;
> +
> + n = strlen((char *)&data[offset]);
> + n += 15;
> + if (offset + n > fmw->size) {
> + dev_err(tas_priv->dev, "Description err\n");
> + return -EINVAL;
> + }
> + offset += n;
> + offset = fw_parse_data(tas_fmw, &(config->dev_data),
> + fmw, offset);
> + if (offset < 0)
> + break;
> + }
> +
> + return offset;
> +}
> +
> +static bool check_inpage_yram_rg(struct tas_crc *cd,
> + unsigned char reg, unsigned char len)
> +{
> + bool in = false;
> +
> + if (reg <= TAS2781_YRAM5_END_REG &&
> + reg >= TAS2781_YRAM5_START_REG) {
> + if (reg + len > TAS2781_YRAM5_END_REG)
> + cd->len = TAS2781_YRAM5_END_REG - reg + 1;
> + else
> + cd->len = len;
> + cd->offset = reg;
> + in = true;
> + } else if (reg < TAS2781_YRAM5_START_REG) {
> + if (reg + len > TAS2781_YRAM5_START_REG) {
> + cd->offset = TAS2781_YRAM5_START_REG;
> + cd->len = len - TAS2781_YRAM5_START_REG + reg;
> + in = true;
> + }
> + }
> +
> + return in;
> +}
> +
> +static bool check_inpage_yram_bk1(struct tas_crc *cd,
> + unsigned char page, unsigned char reg, unsigned char len)
> +{
> + bool in = false;
> +
> + if (page == TAS2781_YRAM1_PAGE) {
> + if (reg >= TAS2781_YRAM1_START_REG) {
> + cd->offset = reg;
> + cd->len = len;
> + in = true;
> + } else if (reg + len > TAS2781_YRAM1_START_REG) {
> + cd->offset = TAS2781_YRAM1_START_REG;
> + cd->len = len - TAS2781_YRAM1_START_REG + reg;
> + in = true;
> + }
> + } else if (page == TAS2781_YRAM3_PAGE) {
> + in = check_inpage_yram_rg(cd, reg, len);
> + }
> +
> + return in;
> +}
> +
> +/*
> + * Return Code:
> + * true -- the registers are in the inpage yram
> + * false -- the registers are NOT in the inpage yram
> + */
> +static bool check_inpage_yram(struct tas_crc *cd, unsigned char book,
> + unsigned char page, unsigned char reg, unsigned char len)
> +{
> + bool in = false;
> +
> + if (book == TAS2781_YRAM_BOOK1)
> + in = check_inpage_yram_bk1(cd, page, reg, len);
> + else if (book == TAS2781_YRAM_BOOK2 && page == TAS2781_YRAM5_PAGE)
> + in = check_inpage_yram_rg(cd, reg, len);
> +
> + return in;
> +}
> +
> +static bool check_inblock_yram_bk(struct tas_crc *cd,
> + unsigned char page, unsigned char reg, unsigned char len)
> +{
> + bool in = false;
> +
> + if ((page >= TAS2781_YRAM4_START_PAGE &&
> + page <= TAS2781_YRAM4_END_PAGE) ||
> + (page >= TAS2781_YRAM2_START_PAGE &&
> + page <= TAS2781_YRAM2_END_PAGE)) {
> + if (reg <= TAS2781_YRAM2_END_REG &&
> + reg >= TAS2781_YRAM2_START_REG) {
> + cd->offset = reg;
> + cd->len = len;
> + in = true;
> + } else if (reg < TAS2781_YRAM2_START_REG) {
> + if (reg + len - 1 >= TAS2781_YRAM2_START_REG) {
> + cd->offset = TAS2781_YRAM2_START_REG;
> + cd->len = reg + len - TAS2781_YRAM2_START_REG;
> + in = true;
> + }
> + }
> + }
> +
> + return in;
> +}
> +
> +/*
> + * Return Code:
> + * true -- the registers are in the inblock yram
> + * false -- the registers are NOT in the inblock yram
> + */
> +static bool check_inblock_yram(struct tas_crc *cd, unsigned char book,
> + unsigned char page, unsigned char reg, unsigned char len)
> +{
> + bool in = false;
> +
> + if (book == TAS2781_YRAM_BOOK1 || book == TAS2781_YRAM_BOOK2)
> + in = check_inblock_yram_bk(cd, page, reg, len);
> +
> + return in;
> +}
> +
> +static bool check_yram(struct tas_crc *cd, unsigned char book,
> + unsigned char page, unsigned char reg, unsigned char len)
> +{
> + bool in;
> +
> + in = check_inpage_yram(cd, book, page, reg, len);
> + if (!in)
> + in = check_inblock_yram(cd, book, page, reg, len);
> +
> + return in;
> +}
> +
> +static int tasdev_multibytes_chksum(struct tasdevice_priv *tasdevice,
> + unsigned char book, unsigned char page,
> + unsigned char reg, unsigned int len)
> +{
> + struct tas_crc crc_data;
> + unsigned char crc_chksum = 0;
> + unsigned char nBuf1[128];
> + int ret = 0, i;
> + bool in;
> +
> + if ((reg + len - 1) > 127) {
> + ret = -EINVAL;
> + dev_err(tasdevice->dev, "firmware error\n");
> + goto end;
> + }
> +
> + if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
> + (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
> + (reg == TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG)) &&
> + (len == 4)) {
> + /* DSP swap command, pass */
> + ret = 0;
> + goto end;
> + }
> +
> + in = check_yram(&crc_data, book, page, reg, len);
> + if (!in)
> + goto end;
> +
> + if (len == 1) {
> + dev_err(tasdevice->dev, "firmware error\n");
> + ret = -EINVAL;
> + goto end;
> + }
> +
> + ret = tasdevice_spi_dev_bulk_read(tasdevice,
> + TASDEVICE_REG(book, page, crc_data.offset),
> + nBuf1, crc_data.len);
> + if (ret < 0)
> + goto end;
> +
> + for (i = 0; i < crc_data.len; i++) {
> + if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
> + (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
> + ((i + crc_data.offset) >=
> + TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG)) &&
> + ((i + crc_data.offset) <=
> + (TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG) + 4)))
> + /* DSP swap command, bypass */
> + continue;
> + else
> + crc_chksum += crc8(tasdevice->crc8_lkp_tbl, &nBuf1[i],
> + 1, 0);
> + }
> +
> + ret = crc_chksum;
> +
> +end:
> + return ret;
> +}
> +
> +static int do_singlereg_checksum(struct tasdevice_priv *tasdevice,
> + unsigned char book, unsigned char page,
> + unsigned char reg, unsigned char val)
> +{
> + struct tas_crc crc_data;
> + unsigned int nData1;
> + int ret = 0;
> + bool in;
> +
> + /* DSP swap command, pass */
> + if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
> + (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) &&
> + (reg >= TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG)) &&
> + (reg <= (TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG) + 4)))
> + return 0;
> +
> + in = check_yram(&crc_data, book, page, reg, 1);
> + if (!in)
> + return 0;
> + ret = tasdevice_spi_dev_read(tasdevice,
> + TASDEVICE_REG(book, page, reg), &nData1);
> + if (ret < 0)
> + return ret;
> +
> + if (nData1 != val) {
> + dev_err(tasdevice->dev,
> + "B[0x%x]P[0x%x]R[0x%x] W[0x%x], R[0x%x]\n",
> + book, page, reg, val, nData1);
> + tasdevice->err_code |= ERROR_YRAM_CRCCHK;
> + return -EAGAIN;
> + }
> +
> + ret = crc8(tasdevice->crc8_lkp_tbl, &val, 1, 0);
> +
> + return ret;
> +}
> +
> +static void set_err_prg_cfg(unsigned int type, struct tasdevice_priv *p)
> +{
> + if ((type == MAIN_ALL_DEVICES) || (type == MAIN_DEVICE_A) ||
> + (type == MAIN_DEVICE_B) || (type == MAIN_DEVICE_C) ||
> + (type == MAIN_DEVICE_D))
> + p->cur_prog = -1;
> + else
> + p->cur_conf = -1;
> +}
> +
> +static int tasdev_bytes_chksum(struct tasdevice_priv *tas_priv,
> + struct tasdev_blk *block, unsigned char book,
> + unsigned char page, unsigned char reg, unsigned int len,
> + unsigned char val, unsigned char *crc_chksum)
> +{
> + int ret;
> +
> + if (len > 1)
> + ret = tasdev_multibytes_chksum(tas_priv, book, page, reg,
> + len);
> + else
> + ret = do_singlereg_checksum(tas_priv, book, page, reg, val);
> +
> + if (ret > 0) {
> + *crc_chksum += ret;
> + goto end;
> + }
> +
> + if (ret != -EAGAIN)
> + goto end;
> +
> + block->nr_retry--;
> + if (block->nr_retry > 0)
> + goto end;
> +
> + set_err_prg_cfg(block->type, tas_priv);
> +
> +end:
> + return ret;
> +}
> +
> +static int tasdev_multibytes_wr(struct tasdevice_priv *tas_priv,
> + struct tasdev_blk *block, unsigned char book,
> + unsigned char page, unsigned char reg, unsigned char *data,
> + unsigned int len, unsigned int *nr_cmds,
> + unsigned char *crc_chksum)
> +{
> + int ret;
> +
> + if (len > 1) {
> + ret = tasdevice_spi_dev_bulk_write(tas_priv,
> + TASDEVICE_REG(book, page, reg), data + 3, len);
> + if (ret < 0)
> + return ret;
> + if (block->is_ychksum_present)
> + ret = tasdev_bytes_chksum(tas_priv, block,
> + book, page, reg, len, 0, crc_chksum);
> + } else {
> + ret = tasdevice_spi_dev_write(tas_priv,
> + TASDEVICE_REG(book, page, reg), data[3]);
> + if (ret < 0)
> + return ret;
> + if (block->is_ychksum_present)
> + ret = tasdev_bytes_chksum(tas_priv, block, book,
> + page, reg, 1, data[3], crc_chksum);
> + }
> +
> + if (!block->is_ychksum_present || ret >= 0) {
> + *nr_cmds += 1;
> + if (len >= 2)
> + *nr_cmds += ((len - 2) / 4) + 1;
> + }
> +
> + return ret;
> +}
> +
> +static int tasdev_block_chksum(struct tasdevice_priv *tas_priv,
> + struct tasdev_blk *block)
> +{
> + unsigned int nr_value;
> + int ret;
> +
> + ret = tasdevice_spi_dev_read(tas_priv, TASDEVICE_Checksum, &nr_value);
> + if (ret < 0) {
> + dev_err(tas_priv->dev, "%s: read error %d.\n", __func__, ret);
> + set_err_prg_cfg(block->type, tas_priv);
> + return ret;
> + }
> +
> + if ((nr_value & 0xff) != block->pchksum) {
> + dev_err(tas_priv->dev, "%s: PChkSum err %d ", __func__, ret);
> + dev_err(tas_priv->dev, "PChkSum = 0x%x, Reg = 0x%x\n",
> + block->pchksum, (nr_value & 0xff));
> + tas_priv->err_code |= ERROR_PRAM_CRCCHK;
> + ret = -EAGAIN;
> + block->nr_retry--;
> +
> + if (block->nr_retry <= 0)
> + set_err_prg_cfg(block->type, tas_priv);
> + } else {
> + tas_priv->err_code &= ~ERROR_PRAM_CRCCHK;
> + }
> +
> + return ret;
> +}
> +
> +static int tasdev_load_blk(struct tasdevice_priv *tas_priv,
> + struct tasdev_blk *block)
> +{
> + unsigned int sleep_time, len, nr_cmds;
> + unsigned char offset, book, page, val;
> + unsigned char *data = block->data;
> + unsigned char crc_chksum = 0;
> + int ret = 0;
> +
> + while (block->nr_retry > 0) {
> + if (block->is_pchksum_present) {
> + ret = tasdevice_spi_dev_write(tas_priv,
> + TASDEVICE_Checksum, 0);
> + if (ret < 0)
> + break;
> + }
> +
> + if (block->is_ychksum_present)
> + crc_chksum = 0;
> +
> + nr_cmds = 0;
> +
> + while (nr_cmds < block->nr_cmds) {
> + data = block->data + nr_cmds * 4;
> +
> + book = data[0];
> + page = data[1];
> + offset = data[2];
> + val = data[3];
> +
> + nr_cmds++;
> + /* Single byte write */
> + if (offset <= 0x7F) {
> + ret = tasdevice_spi_dev_write(tas_priv,
> + TASDEVICE_REG(book, page, offset),
> + val);
> + if (ret < 0)
> + break;
> + if (block->is_ychksum_present) {
> + ret = tasdev_bytes_chksum(tas_priv,
> + block, book, page, offset,
> + 1, val, &crc_chksum);
> + if (ret < 0)
> + break;
> + }
> + continue;
> + }
> + /* sleep command */
> + if (offset == 0x81) {
> + /* book -- data[0] page -- data[1] */
> + sleep_time = ((book << 8) + page)*1000;
> + fsleep(sleep_time);
> + continue;
> + }
> + /* Multiple bytes write */
> + if (offset == 0x85) {
> + data += 4;
> + len = (book << 8) + page;
> + book = data[0];
> + page = data[1];
> + offset = data[2];
> + ret = tasdev_multibytes_wr(tas_priv,
> + block, book, page, offset, data,
> + len, &nr_cmds, &crc_chksum);
> + if (ret < 0)
> + break;
> + }
> + }
> + if (ret == -EAGAIN) {
> + if (block->nr_retry > 0)
> + continue;
> + } else if (ret < 0) {
> + /* err in current device, skip it */
> + break;
> + }
> +
> + if (block->is_pchksum_present) {
> + ret = tasdev_block_chksum(tas_priv, block);
> + if (ret == -EAGAIN) {
> + if (block->nr_retry > 0)
> + continue;
> + } else if (ret < 0) {
> + /* err in current device, skip it */
> + break;
> + }
> + }
> +
> + if (block->is_ychksum_present) {
> + /* TBD, open it when FW ready */
> + dev_err(tas_priv->dev,
> + "Blk YChkSum: FW = 0x%x, YCRC = 0x%x\n",
> + block->ychksum, crc_chksum);
> +
> + tas_priv->err_code &=
> + ~ERROR_YRAM_CRCCHK;
> + ret = 0;
> + }
> + /* skip current blk */
> + break;
> + }
> +
> + return ret;
> +}
> +
> +static int tasdevice_load_block(struct tasdevice_priv *tas_priv,
> + struct tasdev_blk *block)
> +{
> + int ret = 0;
> +
> + block->nr_retry = 6;
> + if (tas_priv->is_loading == false)
> + return 0;
> + ret = tasdev_load_blk(tas_priv, block);
> + if (ret < 0)
> + dev_err(tas_priv->dev, "Blk (%d) load error\n", block->type);
> +
> + return ret;
> +}
> +
> +static int dspfw_default_callback(struct tasdevice_priv *tas_priv,
> + unsigned int drv_ver, unsigned int ppcver)
> +{
> + int rc = 0;
> +
> + if (drv_ver == 0x100) {
> + if (ppcver >= PPC3_VERSION) {
> + tas_priv->fw_parse_variable_header =
> + fw_parse_variable_header_kernel;
> + tas_priv->fw_parse_program_data =
> + fw_parse_program_data_kernel;
> + tas_priv->fw_parse_configuration_data =
> + fw_parse_configuration_data_kernel;
> + tas_priv->tasdevice_load_block =
> + tasdevice_load_block_kernel;
> + } else {
> + switch (ppcver) {
> + case 0x00:
> + tas_priv->fw_parse_variable_header =
> + fw_parse_variable_header_git;
> + tas_priv->fw_parse_program_data =
> + fw_parse_program_data;
> + tas_priv->fw_parse_configuration_data =
> + fw_parse_configuration_data;
> + tas_priv->tasdevice_load_block =
> + tasdevice_load_block;
> + break;
> + default:
> + dev_err(tas_priv->dev,
> + "%s: PPCVer must be 0x0 or 0x%02x",
> + __func__, PPC3_VERSION);
> + dev_err(tas_priv->dev, " Current:0x%02x\n",
> + ppcver);
> + rc = -EINVAL;
> + break;
> + }
> + }
> + } else {
> + dev_err(tas_priv->dev,
> + "DrvVer must be 0x0, 0x230 or above 0x230 ");
> + dev_err(tas_priv->dev, "current is 0x%02x\n", drv_ver);
> + rc = -EINVAL;
> + }
> +
> + return rc;
> +}
> +
> +static int load_calib_data(struct tasdevice_priv *tas_priv,
> + struct tasdevice_data *dev_data)
> +{
> + struct tasdev_blk *block;
> + unsigned int i;
> + int ret = 0;
> +
> + for (i = 0; i < dev_data->nr_blk; i++) {
> + block = &(dev_data->dev_blks[i]);
> + ret = tasdevice_load_block(tas_priv, block);
> + if (ret < 0)
> + break;
> + }
> +
> + return ret;
> +}
> +
> +static int fw_parse_header(struct tasdevice_priv *tas_priv,
> + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
> +{
> + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr);
> + struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &(fw_hdr->fixed_hdr);
> + static const unsigned char magic_number[] = {0x35, 0x35, 0x35, 0x32, };
> + const unsigned char *buf = (unsigned char *)fmw->data;
> +
> + if (offset + 92 > fmw->size) {
> + dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
> + offset = -EINVAL;
> + goto out;
> + }
> + if (memcmp(&buf[offset], magic_number, 4)) {
> + dev_err(tas_priv->dev, "%s: Magic num NOT match\n", __func__);
> + offset = -EINVAL;
> + goto out;
> + }
> + offset += 4;
> +
> + /*
> + * Convert data[offset], data[offset + 1], data[offset + 2] and
> + * data[offset + 3] into host
> + */
> + fw_fixed_hdr->fwsize = get_unaligned_be32(&buf[offset]);
> + offset += 4;
> + if (fw_fixed_hdr->fwsize != fmw->size) {
> + dev_err(tas_priv->dev, "File size not match, %lu %u",
> + (unsigned long)fmw->size, fw_fixed_hdr->fwsize);
> + offset = -EINVAL;
> + goto out;
> + }
> + offset += 4;
> + fw_fixed_hdr->ppcver = get_unaligned_be32(&buf[offset]);
> + offset += 8;
> + fw_fixed_hdr->drv_ver = get_unaligned_be32(&buf[offset]);
> + offset += 72;
> +
> +out:
> + return offset;
> +}
> +
> +static int fw_parse_variable_hdr_cal(struct tasdevice_priv *tas_priv,
> + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
> +{
> + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr);
> +
> + offset = fw_parse_variable_hdr(tas_priv, fw_hdr, fmw, offset);
> + if (offset < 0)
> + return offset;
> + if (fw_hdr->ndev != 1) {
> + dev_err(tas_priv->dev,
> + "%s: calbin must be 1, but currently ndev(%u)\n",
> + __func__, fw_hdr->ndev);
> + offset = -EINVAL;
> + }
> +
> + return offset;
> +}
> +
> +/*
> + * When calibrated data parsing error occurs, DSP can still work with default
> + * calibrated data, memory resource related to calibrated data will be
> + * released in the tasdevice_codec_remove.
> + */
> +static int fw_parse_calibration_data(struct tasdevice_priv *tas_priv,
> + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
> +{
> + struct tasdevice_calibration *calibration;
> + unsigned char *data = (unsigned char *)fmw->data;
> + unsigned int i, n;
> +
> + if (offset + 2 > fmw->size) {
> + dev_err(tas_priv->dev, "%s: Calibrations error\n", __func__);
> + return -EINVAL;
> + }
> + tas_fmw->nr_calibrations = get_unaligned_be16(&data[offset]);
> + offset += 2;
> +
> + if (tas_fmw->nr_calibrations != 1) {
> + dev_err(tas_priv->dev,
> + "%s: only supports one calibration (%d)!\n",
> + __func__, tas_fmw->nr_calibrations);
> + return offset;
> + }
> +
> + tas_fmw->calibrations = kcalloc(tas_fmw->nr_calibrations,
> + sizeof(*tas_fmw->calibrations), GFP_KERNEL);
> + if (!tas_fmw->calibrations)
> + return -ENOMEM;
> + for (i = 0; i < tas_fmw->nr_calibrations; i++) {
> + if (offset + 64 > fmw->size) {
> + dev_err(tas_priv->dev, "Calibrations error\n");
> + return -EINVAL;
> + }
> + calibration = &(tas_fmw->calibrations[i]);
> + offset += 64;
> +
> + n = strlen((char *)&data[offset]);
> + /* skip '\0' and 2 unused bytes */
> + n += 3;
> + if (offset + n > fmw->size) {
> + dev_err(tas_priv->dev, "Description err\n");
> + return -EINVAL;
> + }
> + offset += n;
> +
> + offset = fw_parse_data(tas_fmw, &(calibration->dev_data), fmw,
> + offset);
> + if (offset < 0)
> + return offset;
> + }
> +
> + return offset;
> +}
> +
> +int tas2781_spi_load_calibration(void *context, char *file_name,
> + unsigned short i)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + const struct firmware *fw_entry;
> + struct tasdevice_fw *tas_fmw;
> + struct firmware fmw;
> + int offset = 0;
> + int ret;
> +
> + ret = request_firmware(&fw_entry, file_name, tas_priv->dev);
> + if (ret) {
> + dev_err(tas_priv->dev, "%s: Request firmware %s failed\n",
> + __func__, file_name);
> + goto out;
> + }
> +
> + if (!fw_entry->size) {
> + dev_err(tas_priv->dev, "%s: file read error: size = %lu\n",
> + __func__, (unsigned long)fw_entry->size);
> + ret = -EINVAL;
> + goto out;
> + }
> + fmw.size = fw_entry->size;
> + fmw.data = fw_entry->data;
> +
> + tas_fmw = tas_priv->cali_data_fmw = kzalloc(sizeof(*tas_fmw),
> + GFP_KERNEL);
> + if (!tas_priv->cali_data_fmw) {
> + ret = -ENOMEM;
> + goto out;
> + }
> + tas_fmw->dev = tas_priv->dev;
> + offset = fw_parse_header(tas_priv, tas_fmw, &fmw, offset);
> + if (offset == -EINVAL) {
> + dev_err(tas_priv->dev, "fw_parse_header EXIT!\n");
> + ret = offset;
> + goto out;
> + }
> + offset = fw_parse_variable_hdr_cal(tas_priv, tas_fmw, &fmw, offset);
> + if (offset == -EINVAL) {
> + dev_err(tas_priv->dev,
> + "%s: fw_parse_variable_header_cal EXIT!\n", __func__);
> + ret = offset;
> + goto out;
> + }
> + offset = fw_parse_program_data(tas_priv, tas_fmw, &fmw, offset);
> + if (offset < 0) {
> + dev_err(tas_priv->dev, "fw_parse_program_data EXIT!\n");
> + ret = offset;
> + goto out;
> + }
> + offset = fw_parse_configuration_data(tas_priv, tas_fmw, &fmw, offset);
> + if (offset < 0) {
> + dev_err(tas_priv->dev, "fw_parse_configuration_data EXIT!\n");
> + ret = offset;
> + goto out;
> + }
> + offset = fw_parse_calibration_data(tas_priv, tas_fmw, &fmw, offset);
> + if (offset < 0) {
> + dev_err(tas_priv->dev, "fw_parse_calibration_data EXIT!\n");
> + ret = offset;
> + goto out;
> + }
> +
> +out:
> + if (fw_entry)
> + release_firmware(fw_entry);
> +
> + return ret;
> +}
> +
> +static int tasdevice_dspfw_ready(const struct firmware *fmw, void *context)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + struct tasdevice_fw_fixed_hdr *fw_fixed_hdr;
> + struct tasdevice_fw *tas_fmw;
> + int offset = 0, ret = 0;
> +
> + if (!fmw || !fmw->data) {
> + dev_err(tas_priv->dev, "%s: Failed to read firmware %s\n",
> + __func__, tas_priv->coef_binaryname);
> + return -EINVAL;
> + }
> +
> + tas_priv->fmw = kzalloc(sizeof(*tas_priv->fmw), GFP_KERNEL);
> + if (!tas_priv->fmw)
> + return -ENOMEM;
> + tas_fmw = tas_priv->fmw;
> + tas_fmw->dev = tas_priv->dev;
> + offset = fw_parse_header(tas_priv, tas_fmw, fmw, offset);
> +
> + if (offset == -EINVAL)
> + return -EINVAL;
> +
> + fw_fixed_hdr = &(tas_fmw->fw_hdr.fixed_hdr);
> + /* Support different versions of firmware */
> + switch (fw_fixed_hdr->drv_ver) {
> + case 0x301:
> + case 0x302:
> + case 0x502:
> + case 0x503:
> + tas_priv->fw_parse_variable_header =
> + fw_parse_variable_header_kernel;
> + tas_priv->fw_parse_program_data =
> + fw_parse_program_data_kernel;
> + tas_priv->fw_parse_configuration_data =
> + fw_parse_configuration_data_kernel;
> + tas_priv->tasdevice_load_block =
> + tasdevice_load_block_kernel;
> + break;
> + case 0x202:
> + case 0x400:
> + tas_priv->fw_parse_variable_header =
> + fw_parse_variable_header_git;
> + tas_priv->fw_parse_program_data =
> + fw_parse_program_data;
> + tas_priv->fw_parse_configuration_data =
> + fw_parse_configuration_data;
> + tas_priv->tasdevice_load_block =
> + tasdevice_load_block;
> + break;
> + default:
> + ret = dspfw_default_callback(tas_priv,
> + fw_fixed_hdr->drv_ver, fw_fixed_hdr->ppcver);
> + if (ret)
> + return ret;
> + break;
> + }
> +
> + offset = tas_priv->fw_parse_variable_header(tas_priv, fmw, offset);
> + if (offset < 0)
> + return offset;
> +
> + offset = tas_priv->fw_parse_program_data(tas_priv, tas_fmw, fmw,
> + offset);
> + if (offset < 0)
> + return offset;
> +
> + offset = tas_priv->fw_parse_configuration_data(tas_priv,
> + tas_fmw, fmw, offset);
> + if (offset < 0)
> + ret = offset;
> +
> + return ret;
> +}
> +
> +int tasdevice_spi_dsp_parser(void *context)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + const struct firmware *fw_entry;
> + int ret;
> +
> + ret = request_firmware(&fw_entry, tas_priv->coef_binaryname,
> + tas_priv->dev);
> + if (ret) {
> + dev_err(tas_priv->dev, "%s: load %s error\n", __func__,
> + tas_priv->coef_binaryname);
> + return ret;
> + }
> +
> + ret = tasdevice_dspfw_ready(fw_entry, tas_priv);
> + release_firmware(fw_entry);
> + fw_entry = NULL;
> +
> + return ret;
> +}
> +
> +static void tasdev_dsp_prog_blk_remove(struct tasdevice_prog *prog)
> +{
> + struct tasdevice_data *tas_dt;
> + struct tasdev_blk *blk;
> + unsigned int i;
> +
> + if (!prog)
> + return;
> +
> + tas_dt = &(prog->dev_data);
> +
> + if (!tas_dt->dev_blks)
> + return;
> +
> + for (i = 0; i < tas_dt->nr_blk; i++) {
> + blk = &(tas_dt->dev_blks[i]);
> + kfree(blk->data);
> + }
> + kfree(tas_dt->dev_blks);
> +}
> +
> +static void tasdev_dsp_prog_remove(struct tasdevice_prog *prog,
> + unsigned short nr)
> +{
> + int i;
> +
> + for (i = 0; i < nr; i++)
> + tasdev_dsp_prog_blk_remove(&prog[i]);
> + kfree(prog);
> +}
> +
> +static void tasdev_dsp_cfg_blk_remove(struct tasdevice_config *cfg)
> +{
> + struct tasdevice_data *tas_dt;
> + struct tasdev_blk *blk;
> + unsigned int i;
> +
> + if (cfg) {
> + tas_dt = &(cfg->dev_data);
> +
> + if (!tas_dt->dev_blks)
> + return;
> +
> + for (i = 0; i < tas_dt->nr_blk; i++) {
> + blk = &(tas_dt->dev_blks[i]);
> + kfree(blk->data);
> + }
> + kfree(tas_dt->dev_blks);
> + }
> +}
> +
> +static void tasdev_dsp_cfg_remove(struct tasdevice_config *config,
> + unsigned short nr)
> +{
> + int i;
> +
> + for (i = 0; i < nr; i++)
> + tasdev_dsp_cfg_blk_remove(&config[i]);
> + kfree(config);
> +}
> +
> +void tasdevice_spi_dsp_remove(void *context)
> +{
> + struct tasdevice_priv *tas_dev = context;
> +
> + if (!tas_dev->fmw)
> + return;
> +
> + if (tas_dev->fmw->programs)
> + tasdev_dsp_prog_remove(tas_dev->fmw->programs,
> + tas_dev->fmw->nr_programs);
> + if (tas_dev->fmw->configs)
> + tasdev_dsp_cfg_remove(tas_dev->fmw->configs,
> + tas_dev->fmw->nr_configurations);
> + kfree(tas_dev->fmw);
> + tas_dev->fmw = NULL;
> +}
> +
> +static void tas2781_clear_calfirmware(struct tasdevice_fw *tas_fmw)
> +{
> + struct tasdevice_calibration *calibration;
> + struct tasdev_blk *block;
> + unsigned int blks;
> + int i;
> +
> + if (!tas_fmw->calibrations)
> + goto out;
> +
> + for (i = 0; i < tas_fmw->nr_calibrations; i++) {
> + calibration = &(tas_fmw->calibrations[i]);
> + if (!calibration)
> + continue;
> +
> + if (!calibration->dev_data.dev_blks)
> + continue;
> +
> + for (blks = 0; blks < calibration->dev_data.nr_blk; blks++) {
> + block = &(calibration->dev_data.dev_blks[blks]);
> + if (!block)
> + continue;
> + kfree(block->data);
> + }
> + kfree(calibration->dev_data.dev_blks);
> + }
> + kfree(tas_fmw->calibrations);
> +out:
> + kfree(tas_fmw);
> +}
> +
> +void tasdevice_spi_calbin_remove(void *context)
> +{
> + struct tasdevice_priv *tas_priv = context;
> +
> + if (tas_priv->cali_data_fmw) {
> + tas2781_clear_calfirmware(tas_priv->cali_data_fmw);
> + tas_priv->cali_data_fmw = NULL;
> + }
> +}
> +
> +void tasdevice_spi_config_info_remove(void *context)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + struct tasdevice_rca *rca = &(tas_priv->rcabin);
> + struct tasdevice_config_info **ci = rca->cfg_info;
> + unsigned int i, j;
> +
> + if (!ci)
> + return;
> + for (i = 0; i < rca->ncfgs; i++) {
> + if (!ci[i])
> + continue;
> + if (ci[i]->blk_data) {
> + for (j = 0; j < ci[i]->real_nblocks; j++) {
> + if (!ci[i]->blk_data[j])
> + continue;
> + kfree(ci[i]->blk_data[j]->regdata);
> + kfree(ci[i]->blk_data[j]);
> + }
> + kfree(ci[i]->blk_data);
> + }
> + kfree(ci[i]);
> + }
> + kfree(ci);
> +}
> +
> +static int tasdevice_load_data(struct tasdevice_priv *tas_priv,
> + struct tasdevice_data *dev_data)
> +{
> + struct tasdev_blk *block;
> + unsigned int i;
> + int ret = 0;
> +
> + for (i = 0; i < dev_data->nr_blk; i++) {
> + block = &(dev_data->dev_blks[i]);
> + ret = tas_priv->tasdevice_load_block(tas_priv, block);
> + if (ret < 0)
> + break;
> + }
> +
> + return ret;
> +}
> +
> +int tasdevice_spi_select_tuningprm_cfg(void *context, int prm_no,
> + int cfg_no, int rca_conf_no)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + struct tasdevice_rca *rca = &(tas_priv->rcabin);
> + struct tasdevice_config_info **cfg_info = rca->cfg_info;
> + struct tasdevice_fw *tas_fmw = tas_priv->fmw;
> + struct tasdevice_prog *program;
> + struct tasdevice_config *conf;
> + int prog_status = 0;
> + int status;
> +
> + if (!tas_fmw) {
> + dev_err(tas_priv->dev, "%s: Firmware is NULL\n", __func__);
> + return 0;
> + }
> +
> + if (cfg_no >= tas_fmw->nr_configurations) {
> + dev_err(tas_priv->dev,
> + "%s: cfg(%d) is not in range of conf %u\n",
> + __func__, cfg_no, tas_fmw->nr_configurations);
> + return 0;
> + }
> +
> + if (prm_no >= tas_fmw->nr_programs) {
> + dev_err(tas_priv->dev,
> + "%s: prm(%d) is not in range of Programs %u\n",
> + __func__, prm_no, tas_fmw->nr_programs);
> + return 0;
> + }
> +
> + if (rca_conf_no >= rca->ncfgs ||
> + rca_conf_no < 0 ||
> + !cfg_info) {
> + dev_err(tas_priv->dev,
> + "conf_no:%d should be in range from 0 to %u\n",
> + rca_conf_no, rca->ncfgs-1);
> + return 0;
> + }
> +
> + if (prm_no >= 0 &&
> + (tas_priv->cur_prog != prm_no ||
> + tas_priv->force_fwload_status)) {
> + tas_priv->cur_conf = -1;
> + tas_priv->is_loading = true;
> + prog_status++;
> + }
> +
> + if (prog_status) {
> + program = &(tas_fmw->programs[prm_no]);
> + tasdevice_load_data(tas_priv, &(program->dev_data));
> + if (tas_priv->is_loaderr == false &&
> + tas_priv->is_loading == true) {
> + struct tasdevice_fw *cal_fmw =
> + tas_priv->cali_data_fmw;
> +
> + if (cal_fmw) {
> + struct tasdevice_calibration
> + *cal = cal_fmw->calibrations;
> +
> + if (cal)
> + load_calib_data(tas_priv,
> + &(cal->dev_data));
> + }
> + tas_priv->cur_prog = prm_no;
> + }
> +
> + }
> +
> + if (cfg_no &&
> + (cfg_no != tas_priv->cur_conf) &&
> + (tas_priv->is_loaderr == false)) {
> + status++;
> + tas_priv->is_loading = true;
> + } else {
> + tas_priv->is_loading = false;
> + }
> +
> + if (status) {
> + conf = &(tas_fmw->configs[cfg_no]);
> + status = 0;
> + tasdevice_load_data(tas_priv, &(conf->dev_data));
> + if (tas_priv->is_loaderr == true) {
> + status |= 1 << 4;
> + } else if (tas_priv->is_loaderr == false &&
> + tas_priv->is_loading == true) {
> + tas_priv->cur_conf = cfg_no;
> + }
> + } else {
> + dev_dbg(tas_priv->dev, "%s: Unneeded loading dsp conf %d\n",
> + __func__, cfg_no);
> + }
> +
> + return prog_status;
> +}
> +
> +int tasdevice_spi_prmg_load(void *context, int prm_no)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + struct tasdevice_fw *tas_fmw = tas_priv->fmw;
> + struct tasdevice_prog *program;
> + int prog_status = 0;
> +
> + if (!tas_fmw) {
> + dev_err(tas_priv->dev, "%s: Firmware is NULL\n", __func__);
> + return 0;
> + }
> +
> + if (prm_no >= tas_fmw->nr_programs) {
> + dev_err(tas_priv->dev,
> + "%s: prm(%d) is not in range of Programs %u\n",
> + __func__, prm_no, tas_fmw->nr_programs);
> + return 0;
> + }
> +
> + if (prm_no >= 0 && tas_priv->cur_prog != prm_no) {
> + tas_priv->cur_conf = -1;
> + tas_priv->is_loading = true;
> + prog_status++;
> + }
> + if (prog_status) {
> + program = &(tas_fmw->programs[prm_no]);
> + tasdevice_load_data(tas_priv, &(program->dev_data));
> + if ((tas_priv->is_loaderr == false) &&
> + (tas_priv->is_loading == true))
> + tas_priv->cur_prog = prm_no;
> + }
> +
> + return prog_status;
> +}
> +
> +int tasdevice_spi_prmg_calibdata_load(void *context, int prm_no)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + struct tasdevice_fw *tas_fmw = tas_priv->fmw;
> + struct tasdevice_prog *program;
> + int prog_status = 0;
> +
> + if (!tas_fmw) {
> + dev_err(tas_priv->dev, "%s: Firmware is NULL\n", __func__);
> + return 0;
> + }
> +
> + if (prm_no >= tas_fmw->nr_programs) {
> + dev_err(tas_priv->dev,
> + "%s: prm(%d) is not in range of Programs %u\n",
> + __func__, prm_no, tas_fmw->nr_programs);
> + return 0;
> + }
> +
> + if (prm_no >= 0 && tas_priv->cur_prog != prm_no) {
> + tas_priv->cur_conf = -1;
> + tas_priv->is_loading = true;
> + prog_status++;
> + }
> + tas_priv->is_loaderr = false;
> +
> + if (prog_status) {
> + program = &(tas_fmw->programs[prm_no]);
> + tasdevice_load_data(tas_priv, &(program->dev_data));
> + if (tas_priv->is_loaderr == false &&
> + tas_priv->is_loading == true) {
> + struct tasdevice_fw *cal_fmw =
> + tas_priv->cali_data_fmw;
> +
> + if (cal_fmw) {
> + struct tasdevice_calibration *cal =
> + cal_fmw->calibrations;
> +
> + if (cal)
> + load_calib_data(tas_priv,
> + &(cal->dev_data));
> + }
> + tas_priv->cur_prog = prm_no;
> + }
> +
> + }
> +
> + return prog_status;
> +}
> +
> +void tasdevice_spi_tuning_switch(void *context, int state)
> +{
> + struct tasdevice_priv *tas_priv = context;
> + struct tasdevice_fw *tas_fmw = tas_priv->fmw;
> + int profile_cfg_id = tas_priv->rcabin.profile_cfg_id;
> +
> + if (tas_priv->fw_state == TASDEVICE_DSP_FW_FAIL) {
> + dev_err(tas_priv->dev, "DSP bin file not loaded\n");
> + return;
> + }
> +
> + if (state == 0) {
> + if (tas_priv->cur_prog < tas_fmw->nr_programs) {
> + /* dsp mode or tuning mode */
> + profile_cfg_id = tas_priv->rcabin.profile_cfg_id;
> + tasdevice_spi_select_tuningprm_cfg(tas_priv,
> + tas_priv->cur_prog, tas_priv->cur_conf,
> + profile_cfg_id);
> + }
> +
> + tasdevice_spi_select_cfg_blk(tas_priv, profile_cfg_id,
> + TASDEVICE_BIN_BLK_PRE_POWER_UP);
> + } else {
> + tasdevice_spi_select_cfg_blk(tas_priv, profile_cfg_id,
> + TASDEVICE_BIN_BLK_PRE_SHUTDOWN);
> + }
> +}
> +
> +MODULE_DESCRIPTION("Texas Firmware Support");
> +MODULE_AUTHOR("Baojun Xu, TI, <baojun.xu@xxxxxx>");
> +MODULE_LICENSE("GPL");
> --
> 2.40.1
>
