This patch merges the different reset.c codes into common/reset.c. For that, also ec_kb3310b is moved into common. To be able to build ec_kb3310b only when needed a new config flag LOONGSON_KB3310B is added and automatically enabled with the lemote-2f maschines. Signed-off-by: Andreas Barth <aba@xxxxxxxxxxxxxxx> --- arch/mips/loongson/Kconfig | 5 + arch/mips/loongson/common/Makefile | 5 + arch/mips/loongson/common/ec_kb3310b.c | 128 ++++++++++++++++++++ arch/mips/loongson/common/ec_kb3310b.h | 188 +++++++++++++++++++++++++++++ arch/mips/loongson/common/reset.c | 165 +++++++++++++++++++++++++ arch/mips/loongson/fuloong-2e/Makefile | 2 +- arch/mips/loongson/fuloong-2e/reset.c | 23 ---- arch/mips/loongson/lemote-2f/Makefile | 2 +- arch/mips/loongson/lemote-2f/ec_kb3310b.c | 128 -------------------- arch/mips/loongson/lemote-2f/ec_kb3310b.h | 188 ----------------------------- arch/mips/loongson/lemote-2f/pm.c | 2 +- arch/mips/loongson/lemote-2f/reset.c | 159 ------------------------ 12 files changed, 494 insertions(+), 501 deletions(-) create mode 100644 arch/mips/loongson/common/ec_kb3310b.c create mode 100644 arch/mips/loongson/common/ec_kb3310b.h delete mode 100644 arch/mips/loongson/fuloong-2e/reset.c delete mode 100644 arch/mips/loongson/lemote-2f/ec_kb3310b.c delete mode 100644 arch/mips/loongson/lemote-2f/ec_kb3310b.h delete mode 100644 arch/mips/loongson/lemote-2f/reset.c diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig index aca93ee..28ce0a6 100644 --- a/arch/mips/loongson/Kconfig +++ b/arch/mips/loongson/Kconfig @@ -52,6 +52,7 @@ config LEMOTE_MACH2F select SYS_SUPPORTS_HIGHMEM select SYS_SUPPORTS_LITTLE_ENDIAN select LOONGSON_MC146818 + select LOONGSON_KB3310B help Lemote Loongson 2F family machines utilize the 2F revision of Loongson processor and the AMD CS5536 south bridge. @@ -89,4 +90,8 @@ config LOONGSON_MC146818 bool default n +config LOONGSON_KB3310B + bool + default n + endif # MACH_LOONGSON diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile index e526488..e33efd9 100644 --- a/arch/mips/loongson/common/Makefile +++ b/arch/mips/loongson/common/Makefile @@ -25,3 +25,8 @@ obj-$(CONFIG_CS5536) += cs5536/ # obj-$(CONFIG_LOONGSON_SUSPEND) += pm.o + +# +# Support for kb3310b +# +obj-$(CONFIG_LOONGSON_KB3310B) += ec_kb3310b.o diff --git a/arch/mips/loongson/common/ec_kb3310b.c b/arch/mips/loongson/common/ec_kb3310b.c new file mode 100644 index 0000000..2b666d3 --- /dev/null +++ b/arch/mips/loongson/common/ec_kb3310b.c @@ -0,0 +1,128 @@ +/* + * Basic KB3310B Embedded Controller support for the YeeLoong 2F netbook + * + * Copyright (C) 2008 Lemote Inc. + * Author: liujl <liujl@xxxxxxxxxx>, 2008-04-20 + * + * 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 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/spinlock.h> +#include <linux/delay.h> + +#include "ec_kb3310b.h" + +static DEFINE_SPINLOCK(index_access_lock); +static DEFINE_SPINLOCK(port_access_lock); + +unsigned char ec_read(unsigned short addr) +{ + unsigned char value; + unsigned long flags; + + spin_lock_irqsave(&index_access_lock, flags); + outb((addr & 0xff00) >> 8, EC_IO_PORT_HIGH); + outb((addr & 0x00ff), EC_IO_PORT_LOW); + value = inb(EC_IO_PORT_DATA); + spin_unlock_irqrestore(&index_access_lock, flags); + + return value; +} +EXPORT_SYMBOL_GPL(ec_read); + +void ec_write(unsigned short addr, unsigned char val) +{ + unsigned long flags; + + spin_lock_irqsave(&index_access_lock, flags); + outb((addr & 0xff00) >> 8, EC_IO_PORT_HIGH); + outb((addr & 0x00ff), EC_IO_PORT_LOW); + outb(val, EC_IO_PORT_DATA); + /* flush the write action */ + inb(EC_IO_PORT_DATA); + spin_unlock_irqrestore(&index_access_lock, flags); +} +EXPORT_SYMBOL_GPL(ec_write); + +/* + * This function is used for EC command writes and corresponding status queries. + */ +int ec_query_seq(unsigned char cmd) +{ + int timeout; + unsigned char status; + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&port_access_lock, flags); + + /* make chip goto reset mode */ + udelay(EC_REG_DELAY); + outb(cmd, EC_CMD_PORT); + udelay(EC_REG_DELAY); + + /* check if the command is received by ec */ + timeout = EC_CMD_TIMEOUT; + status = inb(EC_STS_PORT); + while (timeout-- && (status & (1 << 1))) { + status = inb(EC_STS_PORT); + udelay(EC_REG_DELAY); + } + + spin_unlock_irqrestore(&port_access_lock, flags); + + if (timeout <= 0) { + printk(KERN_ERR "%s: deadable error : timeout...\n", __func__); + ret = -EINVAL; + } else + printk(KERN_INFO + "(%x/%d)ec issued command %d status : 0x%x\n", + timeout, EC_CMD_TIMEOUT - timeout, cmd, status); + + return ret; +} +EXPORT_SYMBOL_GPL(ec_query_seq); + +/* + * Send query command to EC to get the proper event number + */ +int ec_query_event_num(void) +{ + return ec_query_seq(CMD_GET_EVENT_NUM); +} +EXPORT_SYMBOL(ec_query_event_num); + +/* + * Get event number from EC + * + * NOTE: This routine must follow the query_event_num function in the + * interrupt. + */ +int ec_get_event_num(void) +{ + int timeout = 100; + unsigned char value; + unsigned char status; + + udelay(EC_REG_DELAY); + status = inb(EC_STS_PORT); + udelay(EC_REG_DELAY); + while (timeout-- && !(status & (1 << 0))) { + status = inb(EC_STS_PORT); + udelay(EC_REG_DELAY); + } + if (timeout <= 0) { + pr_info("%s: get event number timeout.\n", __func__); + + return -EINVAL; + } + value = inb(EC_DAT_PORT); + udelay(EC_REG_DELAY); + + return value; +} +EXPORT_SYMBOL(ec_get_event_num); diff --git a/arch/mips/loongson/common/ec_kb3310b.h b/arch/mips/loongson/common/ec_kb3310b.h new file mode 100644 index 0000000..1595a21 --- /dev/null +++ b/arch/mips/loongson/common/ec_kb3310b.h @@ -0,0 +1,188 @@ +/* + * KB3310B Embedded Controller + * + * Copyright (C) 2008 Lemote Inc. + * Author: liujl <liujl@xxxxxxxxxx>, 2008-03-14 + * + * 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 of the License, or + * (at your option) any later version. + */ + +#ifndef _EC_KB3310B_H +#define _EC_KB3310B_H + +extern unsigned char ec_read(unsigned short addr); +extern void ec_write(unsigned short addr, unsigned char val); +extern int ec_query_seq(unsigned char cmd); +extern int ec_query_event_num(void); +extern int ec_get_event_num(void); + +typedef int (*sci_handler) (int status); +extern sci_handler yeeloong_report_lid_status; + +#define SCI_IRQ_NUM 0x0A + +/* + * The following registers are determined by the EC index configuration. + * 1, fill the PORT_HIGH as EC register high part. + * 2, fill the PORT_LOW as EC register low part. + * 3, fill the PORT_DATA as EC register write data or get the data from it. + */ +#define EC_IO_PORT_HIGH 0x0381 +#define EC_IO_PORT_LOW 0x0382 +#define EC_IO_PORT_DATA 0x0383 + +/* + * EC delay time is 500us for register and status access + */ +#define EC_REG_DELAY 500 /* unit : us */ +#define EC_CMD_TIMEOUT 0x1000 + +/* + * EC access port for SCI communication + */ +#define EC_CMD_PORT 0x66 +#define EC_STS_PORT 0x66 +#define EC_DAT_PORT 0x62 +#define CMD_INIT_IDLE_MODE 0xdd +#define CMD_EXIT_IDLE_MODE 0xdf +#define CMD_INIT_RESET_MODE 0xd8 +#define CMD_REBOOT_SYSTEM 0x8c +#define CMD_GET_EVENT_NUM 0x84 +#define CMD_PROGRAM_PIECE 0xda + +/* temperature & fan registers */ +#define REG_TEMPERATURE_VALUE 0xF458 +#define REG_FAN_AUTO_MAN_SWITCH 0xF459 +#define BIT_FAN_AUTO 0 +#define BIT_FAN_MANUAL 1 +#define REG_FAN_CONTROL 0xF4D2 +#define BIT_FAN_CONTROL_ON (1 << 0) +#define BIT_FAN_CONTROL_OFF (0 << 0) +#define REG_FAN_STATUS 0xF4DA +#define BIT_FAN_STATUS_ON (1 << 0) +#define BIT_FAN_STATUS_OFF (0 << 0) +#define REG_FAN_SPEED_HIGH 0xFE22 +#define REG_FAN_SPEED_LOW 0xFE23 +#define REG_FAN_SPEED_LEVEL 0xF4CC +/* fan speed divider */ +#define FAN_SPEED_DIVIDER 480000 /* (60*1000*1000/62.5/2)*/ + +/* battery registers */ +#define REG_BAT_DESIGN_CAP_HIGH 0xF77D +#define REG_BAT_DESIGN_CAP_LOW 0xF77E +#define REG_BAT_FULLCHG_CAP_HIGH 0xF780 +#define REG_BAT_FULLCHG_CAP_LOW 0xF781 +#define REG_BAT_DESIGN_VOL_HIGH 0xF782 +#define REG_BAT_DESIGN_VOL_LOW 0xF783 +#define REG_BAT_CURRENT_HIGH 0xF784 +#define REG_BAT_CURRENT_LOW 0xF785 +#define REG_BAT_VOLTAGE_HIGH 0xF786 +#define REG_BAT_VOLTAGE_LOW 0xF787 +#define REG_BAT_TEMPERATURE_HIGH 0xF788 +#define REG_BAT_TEMPERATURE_LOW 0xF789 +#define REG_BAT_RELATIVE_CAP_HIGH 0xF492 +#define REG_BAT_RELATIVE_CAP_LOW 0xF493 +#define REG_BAT_VENDOR 0xF4C4 +#define FLAG_BAT_VENDOR_SANYO 0x01 +#define FLAG_BAT_VENDOR_SIMPLO 0x02 +#define REG_BAT_CELL_COUNT 0xF4C6 +#define FLAG_BAT_CELL_3S1P 0x03 +#define FLAG_BAT_CELL_3S2P 0x06 +#define REG_BAT_CHARGE 0xF4A2 +#define FLAG_BAT_CHARGE_DISCHARGE 0x01 +#define FLAG_BAT_CHARGE_CHARGE 0x02 +#define FLAG_BAT_CHARGE_ACPOWER 0x00 +#define REG_BAT_STATUS 0xF4B0 +#define BIT_BAT_STATUS_LOW (1 << 5) +#define BIT_BAT_STATUS_DESTROY (1 << 2) +#define BIT_BAT_STATUS_FULL (1 << 1) +#define BIT_BAT_STATUS_IN (1 << 0) +#define REG_BAT_CHARGE_STATUS 0xF4B1 +#define BIT_BAT_CHARGE_STATUS_OVERTEMP (1 << 2) +#define BIT_BAT_CHARGE_STATUS_PRECHG (1 << 1) +#define REG_BAT_STATE 0xF482 +#define BIT_BAT_STATE_CHARGING (1 << 1) +#define BIT_BAT_STATE_DISCHARGING (1 << 0) +#define REG_BAT_POWER 0xF440 +#define BIT_BAT_POWER_S3 (1 << 2) +#define BIT_BAT_POWER_ON (1 << 1) +#define BIT_BAT_POWER_ACIN (1 << 0) + +/* other registers */ +/* Audio: rd/wr */ +#define REG_AUDIO_VOLUME 0xF46C +#define REG_AUDIO_MUTE 0xF4E7 +#define REG_AUDIO_BEEP 0xF4D0 +/* USB port power or not: rd/wr */ +#define REG_USB0_FLAG 0xF461 +#define REG_USB1_FLAG 0xF462 +#define REG_USB2_FLAG 0xF463 +#define BIT_USB_FLAG_ON 1 +#define BIT_USB_FLAG_OFF 0 +/* LID */ +#define REG_LID_DETECT 0xF4BD +#define BIT_LID_DETECT_ON 1 +#define BIT_LID_DETECT_OFF 0 +/* CRT */ +#define REG_CRT_DETECT 0xF4AD +#define BIT_CRT_DETECT_PLUG 1 +#define BIT_CRT_DETECT_UNPLUG 0 +/* LCD backlight brightness adjust: 9 levels */ +#define REG_DISPLAY_BRIGHTNESS 0xF4F5 +/* Black screen Status */ +#define BIT_DISPLAY_LCD_ON 1 +#define BIT_DISPLAY_LCD_OFF 0 +/* LCD backlight control: off/restore */ +#define REG_BACKLIGHT_CTRL 0xF7BD +#define BIT_BACKLIGHT_ON 1 +#define BIT_BACKLIGHT_OFF 0 +/* Reset the machine auto-clear: rd/wr */ +#define REG_RESET 0xF4EC +#define BIT_RESET_ON 1 +/* Light the led: rd/wr */ +#define REG_LED 0xF4C8 +#define BIT_LED_RED_POWER (1 << 0) +#define BIT_LED_ORANGE_POWER (1 << 1) +#define BIT_LED_GREEN_CHARGE (1 << 2) +#define BIT_LED_RED_CHARGE (1 << 3) +#define BIT_LED_NUMLOCK (1 << 4) +/* Test led mode, all led on/off */ +#define REG_LED_TEST 0xF4C2 +#define BIT_LED_TEST_IN 1 +#define BIT_LED_TEST_OUT 0 +/* Camera on/off */ +#define REG_CAMERA_STATUS 0xF46A +#define BIT_CAMERA_STATUS_ON 1 +#define BIT_CAMERA_STATUS_OFF 0 +#define REG_CAMERA_CONTROL 0xF7B7 +#define BIT_CAMERA_CONTROL_OFF 0 +#define BIT_CAMERA_CONTROL_ON 1 +/* Wlan Status */ +#define REG_WLAN 0xF4FA +#define BIT_WLAN_ON 1 +#define BIT_WLAN_OFF 0 +#define REG_DISPLAY_LCD 0xF79F + +/* SCI Event Number from EC */ +enum { + EVENT_LID = 0x23, /* LID open/close */ + EVENT_DISPLAY_TOGGLE, /* Fn+F3 for display switch */ + EVENT_SLEEP, /* Fn+F1 for entering sleep mode */ + EVENT_OVERTEMP, /* Over-temperature happened */ + EVENT_CRT_DETECT, /* CRT is connected */ + EVENT_CAMERA, /* Camera on/off */ + EVENT_USB_OC2, /* USB2 Over Current occurred */ + EVENT_USB_OC0, /* USB0 Over Current occurred */ + EVENT_BLACK_SCREEN, /* Turn on/off backlight */ + EVENT_AUDIO_MUTE, /* Mute on/off */ + EVENT_DISPLAY_BRIGHTNESS,/* LCD backlight brightness adjust */ + EVENT_AC_BAT, /* AC & Battery relative issue */ + EVENT_AUDIO_VOLUME, /* Volume adjust */ + EVENT_WLAN, /* Wlan on/off */ + EVENT_END +}; + +#endif /* !_EC_KB3310B_H */ diff --git a/arch/mips/loongson/common/reset.c b/arch/mips/loongson/common/reset.c index 9e10d62..e0aafa9 100644 --- a/arch/mips/loongson/common/reset.c +++ b/arch/mips/loongson/common/reset.c @@ -11,11 +11,21 @@ */ #include <linux/init.h> #include <linux/pm.h> +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/types.h> #include <asm/reboot.h> #include <loongson.h> +#include <asm/bootinfo.h> + +#include <cs5536/cs5536.h> +#ifdef CONFIG_LOONGSON_KB3310B +#include "ec_kb3310b.h" +#endif + static inline void loongson_reboot(void) { #ifndef CONFIG_CPU_JUMP_WORKAROUNDS @@ -68,3 +78,158 @@ static int __init mips_reboot_setup(void) } arch_initcall(mips_reboot_setup); + + +static void reset_cpu(void) +{ + /* + * reset cpu to full speed, this is needed when enabling cpu frequency + * scalling + */ + switch (mips_machtype) { + case MACH_LEMOTE_FL2E: + break; + default: +#ifdef CONFIG_CPU_SUPPORTS_CPUFREQ + LOONGSON_CHIPCFG0 |= 0x7; +#endif + break; + } +} + +/* reset support for fuloong2f */ + +static void fl2f_reboot(void) +{ +#ifdef CONFIG_CS5536 + reset_cpu(); + + /* send a reset signal to south bridge. + * + * NOTE: if enable "Power Management" in kernel, rtl8169 will not reset + * normally with this reset operation and it will not work in PMON, but + * you can type halt command and then reboot, seems the hardware reset + * logic not work normally. + */ + { + u32 hi, lo; + _rdmsr(DIVIL_MSR_REG(DIVIL_SOFT_RESET), &hi, &lo); + lo |= 0x00000001; + _wrmsr(DIVIL_MSR_REG(DIVIL_SOFT_RESET), hi, lo); + } +#endif +} + +static void fl2f_shutdown(void) +{ +#ifdef CONFIG_CS5536 + u32 hi, lo, val; + int gpio_base; + + /* get gpio base */ + _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &lo); + gpio_base = lo & 0xff00; + + /* make cs5536 gpio13 output enable */ + val = inl(gpio_base + GPIOL_OUT_EN); + val &= ~(1 << (16 + 13)); + val |= (1 << 13); + outl(val, gpio_base + GPIOL_OUT_EN); + mmiowb(); + /* make cs5536 gpio13 output low level voltage. */ + val = inl(gpio_base + GPIOL_OUT_VAL) & ~(1 << (13)); + val |= (1 << (16 + 13)); + outl(val, gpio_base + GPIOL_OUT_VAL); + mmiowb(); +#endif +} + +/* reset support for yeeloong2f and mengloong2f notebook */ + +void ml2f_reboot(void) +{ + reset_cpu(); + + /* sending an reset signal to EC(embedded controller) */ +#ifdef CONFIG_LOONGSON_KB3310B + ec_write(REG_RESET, BIT_RESET_ON); +#endif +} + +#define yl2f89_reboot ml2f_reboot + +/* menglong(7inches) laptop has different shutdown logic from 8.9inches */ +#define EC_SHUTDOWN_IO_PORT_HIGH 0xff2d +#define EC_SHUTDOWN_IO_PORT_LOW 0xff2e +#define EC_SHUTDOWN_IO_PORT_DATA 0xff2f +#define REG_SHUTDOWN_HIGH 0xFC +#define REG_SHUTDOWN_LOW 0x29 +#define BIT_SHUTDOWN_ON (1 << 1) + +static void ml2f_shutdown(void) +{ + u8 val; + u64 i; + + outb(REG_SHUTDOWN_HIGH, EC_SHUTDOWN_IO_PORT_HIGH); + outb(REG_SHUTDOWN_LOW, EC_SHUTDOWN_IO_PORT_LOW); + mmiowb(); + val = inb(EC_SHUTDOWN_IO_PORT_DATA); + outb(val & (~BIT_SHUTDOWN_ON), EC_SHUTDOWN_IO_PORT_DATA); + mmiowb(); + /* need enough wait here... how many microseconds needs? */ + for (i = 0; i < 0x10000; i++) + delay(); + outb(val | BIT_SHUTDOWN_ON, EC_SHUTDOWN_IO_PORT_DATA); + mmiowb(); +} + +static void yl2f89_shutdown(void) +{ + /* cpu-gpio0 output low */ + LOONGSON_GPIODATA &= ~0x00000001; + /* cpu-gpio0 as output */ + LOONGSON_GPIOIE &= ~0x00000001; +} + +void mach_prepare_reboot(void) +{ + switch (mips_machtype) { + case MACH_LEMOTE_FL2F: + case MACH_LEMOTE_NAS: + case MACH_LEMOTE_LL2F: + fl2f_reboot(); + break; + case MACH_LEMOTE_ML2F7: + ml2f_reboot(); + break; + case MACH_LEMOTE_YL2F89: + yl2f89_reboot(); + break; + case MACH_LEMOTE_FL2E: + LOONGSON_GENCFG &= ~(1 << 2); + LOONGSON_GENCFG |= (1 << 2); + break; + default: + break; + } +} + +void mach_prepare_shutdown(void) +{ + switch (mips_machtype) { + case MACH_LEMOTE_FL2F: + case MACH_LEMOTE_NAS: + case MACH_LEMOTE_LL2F: + fl2f_shutdown(); + break; + case MACH_LEMOTE_ML2F7: + ml2f_shutdown(); + break; + case MACH_LEMOTE_YL2F89: + yl2f89_shutdown(); + break; + default: + break; + } +} diff --git a/arch/mips/loongson/fuloong-2e/Makefile b/arch/mips/loongson/fuloong-2e/Makefile index b762272..328d549 100644 --- a/arch/mips/loongson/fuloong-2e/Makefile +++ b/arch/mips/loongson/fuloong-2e/Makefile @@ -2,4 +2,4 @@ # Makefile for Lemote Fuloong2e mini-PC board. # -obj-y += irq.o reset.o +obj-y += irq.o diff --git a/arch/mips/loongson/fuloong-2e/reset.c b/arch/mips/loongson/fuloong-2e/reset.c deleted file mode 100644 index bc39ec6..0000000 --- a/arch/mips/loongson/fuloong-2e/reset.c +++ /dev/null @@ -1,23 +0,0 @@ -/* Board-specific reboot/shutdown routines - * Copyright (c) 2009 Philippe Vachon <philippe@xxxxxxxxx> - * - * Copyright (C) 2009 Lemote Inc. - * Author: Wu Zhangjin, wuzhangjin@xxxxxxxxx - * - * 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 of the License, or (at your - * option) any later version. - */ - -#include <loongson.h> - -void mach_prepare_reboot(void) -{ - LOONGSON_GENCFG &= ~(1 << 2); - LOONGSON_GENCFG |= (1 << 2); -} - -void mach_prepare_shutdown(void) -{ -} diff --git a/arch/mips/loongson/lemote-2f/Makefile b/arch/mips/loongson/lemote-2f/Makefile index 8699a53..22806bd 100644 --- a/arch/mips/loongson/lemote-2f/Makefile +++ b/arch/mips/loongson/lemote-2f/Makefile @@ -2,7 +2,7 @@ # Makefile for lemote loongson2f family machines # -obj-y += machtype.o irq.o reset.o ec_kb3310b.o +obj-y += machtype.o irq.o # # Suspend Support diff --git a/arch/mips/loongson/lemote-2f/ec_kb3310b.c b/arch/mips/loongson/lemote-2f/ec_kb3310b.c deleted file mode 100644 index 2b666d3..0000000 --- a/arch/mips/loongson/lemote-2f/ec_kb3310b.c +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Basic KB3310B Embedded Controller support for the YeeLoong 2F netbook - * - * Copyright (C) 2008 Lemote Inc. - * Author: liujl <liujl@xxxxxxxxxx>, 2008-04-20 - * - * 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 of the License, or - * (at your option) any later version. - */ - -#include <linux/module.h> -#include <linux/spinlock.h> -#include <linux/delay.h> - -#include "ec_kb3310b.h" - -static DEFINE_SPINLOCK(index_access_lock); -static DEFINE_SPINLOCK(port_access_lock); - -unsigned char ec_read(unsigned short addr) -{ - unsigned char value; - unsigned long flags; - - spin_lock_irqsave(&index_access_lock, flags); - outb((addr & 0xff00) >> 8, EC_IO_PORT_HIGH); - outb((addr & 0x00ff), EC_IO_PORT_LOW); - value = inb(EC_IO_PORT_DATA); - spin_unlock_irqrestore(&index_access_lock, flags); - - return value; -} -EXPORT_SYMBOL_GPL(ec_read); - -void ec_write(unsigned short addr, unsigned char val) -{ - unsigned long flags; - - spin_lock_irqsave(&index_access_lock, flags); - outb((addr & 0xff00) >> 8, EC_IO_PORT_HIGH); - outb((addr & 0x00ff), EC_IO_PORT_LOW); - outb(val, EC_IO_PORT_DATA); - /* flush the write action */ - inb(EC_IO_PORT_DATA); - spin_unlock_irqrestore(&index_access_lock, flags); -} -EXPORT_SYMBOL_GPL(ec_write); - -/* - * This function is used for EC command writes and corresponding status queries. - */ -int ec_query_seq(unsigned char cmd) -{ - int timeout; - unsigned char status; - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&port_access_lock, flags); - - /* make chip goto reset mode */ - udelay(EC_REG_DELAY); - outb(cmd, EC_CMD_PORT); - udelay(EC_REG_DELAY); - - /* check if the command is received by ec */ - timeout = EC_CMD_TIMEOUT; - status = inb(EC_STS_PORT); - while (timeout-- && (status & (1 << 1))) { - status = inb(EC_STS_PORT); - udelay(EC_REG_DELAY); - } - - spin_unlock_irqrestore(&port_access_lock, flags); - - if (timeout <= 0) { - printk(KERN_ERR "%s: deadable error : timeout...\n", __func__); - ret = -EINVAL; - } else - printk(KERN_INFO - "(%x/%d)ec issued command %d status : 0x%x\n", - timeout, EC_CMD_TIMEOUT - timeout, cmd, status); - - return ret; -} -EXPORT_SYMBOL_GPL(ec_query_seq); - -/* - * Send query command to EC to get the proper event number - */ -int ec_query_event_num(void) -{ - return ec_query_seq(CMD_GET_EVENT_NUM); -} -EXPORT_SYMBOL(ec_query_event_num); - -/* - * Get event number from EC - * - * NOTE: This routine must follow the query_event_num function in the - * interrupt. - */ -int ec_get_event_num(void) -{ - int timeout = 100; - unsigned char value; - unsigned char status; - - udelay(EC_REG_DELAY); - status = inb(EC_STS_PORT); - udelay(EC_REG_DELAY); - while (timeout-- && !(status & (1 << 0))) { - status = inb(EC_STS_PORT); - udelay(EC_REG_DELAY); - } - if (timeout <= 0) { - pr_info("%s: get event number timeout.\n", __func__); - - return -EINVAL; - } - value = inb(EC_DAT_PORT); - udelay(EC_REG_DELAY); - - return value; -} -EXPORT_SYMBOL(ec_get_event_num); diff --git a/arch/mips/loongson/lemote-2f/ec_kb3310b.h b/arch/mips/loongson/lemote-2f/ec_kb3310b.h deleted file mode 100644 index 1595a21..0000000 --- a/arch/mips/loongson/lemote-2f/ec_kb3310b.h +++ /dev/null @@ -1,188 +0,0 @@ -/* - * KB3310B Embedded Controller - * - * Copyright (C) 2008 Lemote Inc. - * Author: liujl <liujl@xxxxxxxxxx>, 2008-03-14 - * - * 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 of the License, or - * (at your option) any later version. - */ - -#ifndef _EC_KB3310B_H -#define _EC_KB3310B_H - -extern unsigned char ec_read(unsigned short addr); -extern void ec_write(unsigned short addr, unsigned char val); -extern int ec_query_seq(unsigned char cmd); -extern int ec_query_event_num(void); -extern int ec_get_event_num(void); - -typedef int (*sci_handler) (int status); -extern sci_handler yeeloong_report_lid_status; - -#define SCI_IRQ_NUM 0x0A - -/* - * The following registers are determined by the EC index configuration. - * 1, fill the PORT_HIGH as EC register high part. - * 2, fill the PORT_LOW as EC register low part. - * 3, fill the PORT_DATA as EC register write data or get the data from it. - */ -#define EC_IO_PORT_HIGH 0x0381 -#define EC_IO_PORT_LOW 0x0382 -#define EC_IO_PORT_DATA 0x0383 - -/* - * EC delay time is 500us for register and status access - */ -#define EC_REG_DELAY 500 /* unit : us */ -#define EC_CMD_TIMEOUT 0x1000 - -/* - * EC access port for SCI communication - */ -#define EC_CMD_PORT 0x66 -#define EC_STS_PORT 0x66 -#define EC_DAT_PORT 0x62 -#define CMD_INIT_IDLE_MODE 0xdd -#define CMD_EXIT_IDLE_MODE 0xdf -#define CMD_INIT_RESET_MODE 0xd8 -#define CMD_REBOOT_SYSTEM 0x8c -#define CMD_GET_EVENT_NUM 0x84 -#define CMD_PROGRAM_PIECE 0xda - -/* temperature & fan registers */ -#define REG_TEMPERATURE_VALUE 0xF458 -#define REG_FAN_AUTO_MAN_SWITCH 0xF459 -#define BIT_FAN_AUTO 0 -#define BIT_FAN_MANUAL 1 -#define REG_FAN_CONTROL 0xF4D2 -#define BIT_FAN_CONTROL_ON (1 << 0) -#define BIT_FAN_CONTROL_OFF (0 << 0) -#define REG_FAN_STATUS 0xF4DA -#define BIT_FAN_STATUS_ON (1 << 0) -#define BIT_FAN_STATUS_OFF (0 << 0) -#define REG_FAN_SPEED_HIGH 0xFE22 -#define REG_FAN_SPEED_LOW 0xFE23 -#define REG_FAN_SPEED_LEVEL 0xF4CC -/* fan speed divider */ -#define FAN_SPEED_DIVIDER 480000 /* (60*1000*1000/62.5/2)*/ - -/* battery registers */ -#define REG_BAT_DESIGN_CAP_HIGH 0xF77D -#define REG_BAT_DESIGN_CAP_LOW 0xF77E -#define REG_BAT_FULLCHG_CAP_HIGH 0xF780 -#define REG_BAT_FULLCHG_CAP_LOW 0xF781 -#define REG_BAT_DESIGN_VOL_HIGH 0xF782 -#define REG_BAT_DESIGN_VOL_LOW 0xF783 -#define REG_BAT_CURRENT_HIGH 0xF784 -#define REG_BAT_CURRENT_LOW 0xF785 -#define REG_BAT_VOLTAGE_HIGH 0xF786 -#define REG_BAT_VOLTAGE_LOW 0xF787 -#define REG_BAT_TEMPERATURE_HIGH 0xF788 -#define REG_BAT_TEMPERATURE_LOW 0xF789 -#define REG_BAT_RELATIVE_CAP_HIGH 0xF492 -#define REG_BAT_RELATIVE_CAP_LOW 0xF493 -#define REG_BAT_VENDOR 0xF4C4 -#define FLAG_BAT_VENDOR_SANYO 0x01 -#define FLAG_BAT_VENDOR_SIMPLO 0x02 -#define REG_BAT_CELL_COUNT 0xF4C6 -#define FLAG_BAT_CELL_3S1P 0x03 -#define FLAG_BAT_CELL_3S2P 0x06 -#define REG_BAT_CHARGE 0xF4A2 -#define FLAG_BAT_CHARGE_DISCHARGE 0x01 -#define FLAG_BAT_CHARGE_CHARGE 0x02 -#define FLAG_BAT_CHARGE_ACPOWER 0x00 -#define REG_BAT_STATUS 0xF4B0 -#define BIT_BAT_STATUS_LOW (1 << 5) -#define BIT_BAT_STATUS_DESTROY (1 << 2) -#define BIT_BAT_STATUS_FULL (1 << 1) -#define BIT_BAT_STATUS_IN (1 << 0) -#define REG_BAT_CHARGE_STATUS 0xF4B1 -#define BIT_BAT_CHARGE_STATUS_OVERTEMP (1 << 2) -#define BIT_BAT_CHARGE_STATUS_PRECHG (1 << 1) -#define REG_BAT_STATE 0xF482 -#define BIT_BAT_STATE_CHARGING (1 << 1) -#define BIT_BAT_STATE_DISCHARGING (1 << 0) -#define REG_BAT_POWER 0xF440 -#define BIT_BAT_POWER_S3 (1 << 2) -#define BIT_BAT_POWER_ON (1 << 1) -#define BIT_BAT_POWER_ACIN (1 << 0) - -/* other registers */ -/* Audio: rd/wr */ -#define REG_AUDIO_VOLUME 0xF46C -#define REG_AUDIO_MUTE 0xF4E7 -#define REG_AUDIO_BEEP 0xF4D0 -/* USB port power or not: rd/wr */ -#define REG_USB0_FLAG 0xF461 -#define REG_USB1_FLAG 0xF462 -#define REG_USB2_FLAG 0xF463 -#define BIT_USB_FLAG_ON 1 -#define BIT_USB_FLAG_OFF 0 -/* LID */ -#define REG_LID_DETECT 0xF4BD -#define BIT_LID_DETECT_ON 1 -#define BIT_LID_DETECT_OFF 0 -/* CRT */ -#define REG_CRT_DETECT 0xF4AD -#define BIT_CRT_DETECT_PLUG 1 -#define BIT_CRT_DETECT_UNPLUG 0 -/* LCD backlight brightness adjust: 9 levels */ -#define REG_DISPLAY_BRIGHTNESS 0xF4F5 -/* Black screen Status */ -#define BIT_DISPLAY_LCD_ON 1 -#define BIT_DISPLAY_LCD_OFF 0 -/* LCD backlight control: off/restore */ -#define REG_BACKLIGHT_CTRL 0xF7BD -#define BIT_BACKLIGHT_ON 1 -#define BIT_BACKLIGHT_OFF 0 -/* Reset the machine auto-clear: rd/wr */ -#define REG_RESET 0xF4EC -#define BIT_RESET_ON 1 -/* Light the led: rd/wr */ -#define REG_LED 0xF4C8 -#define BIT_LED_RED_POWER (1 << 0) -#define BIT_LED_ORANGE_POWER (1 << 1) -#define BIT_LED_GREEN_CHARGE (1 << 2) -#define BIT_LED_RED_CHARGE (1 << 3) -#define BIT_LED_NUMLOCK (1 << 4) -/* Test led mode, all led on/off */ -#define REG_LED_TEST 0xF4C2 -#define BIT_LED_TEST_IN 1 -#define BIT_LED_TEST_OUT 0 -/* Camera on/off */ -#define REG_CAMERA_STATUS 0xF46A -#define BIT_CAMERA_STATUS_ON 1 -#define BIT_CAMERA_STATUS_OFF 0 -#define REG_CAMERA_CONTROL 0xF7B7 -#define BIT_CAMERA_CONTROL_OFF 0 -#define BIT_CAMERA_CONTROL_ON 1 -/* Wlan Status */ -#define REG_WLAN 0xF4FA -#define BIT_WLAN_ON 1 -#define BIT_WLAN_OFF 0 -#define REG_DISPLAY_LCD 0xF79F - -/* SCI Event Number from EC */ -enum { - EVENT_LID = 0x23, /* LID open/close */ - EVENT_DISPLAY_TOGGLE, /* Fn+F3 for display switch */ - EVENT_SLEEP, /* Fn+F1 for entering sleep mode */ - EVENT_OVERTEMP, /* Over-temperature happened */ - EVENT_CRT_DETECT, /* CRT is connected */ - EVENT_CAMERA, /* Camera on/off */ - EVENT_USB_OC2, /* USB2 Over Current occurred */ - EVENT_USB_OC0, /* USB0 Over Current occurred */ - EVENT_BLACK_SCREEN, /* Turn on/off backlight */ - EVENT_AUDIO_MUTE, /* Mute on/off */ - EVENT_DISPLAY_BRIGHTNESS,/* LCD backlight brightness adjust */ - EVENT_AC_BAT, /* AC & Battery relative issue */ - EVENT_AUDIO_VOLUME, /* Volume adjust */ - EVENT_WLAN, /* Wlan on/off */ - EVENT_END -}; - -#endif /* !_EC_KB3310B_H */ diff --git a/arch/mips/loongson/lemote-2f/pm.c b/arch/mips/loongson/lemote-2f/pm.c index cac4d38..c48ba65 100644 --- a/arch/mips/loongson/lemote-2f/pm.c +++ b/arch/mips/loongson/lemote-2f/pm.c @@ -23,7 +23,7 @@ #include <loongson.h> #include <cs5536/cs5536_mfgpt.h> -#include "ec_kb3310b.h" +#include "../common/ec_kb3310b.h" #define I8042_KBD_IRQ 1 #define I8042_CTR_KBDINT 0x01 diff --git a/arch/mips/loongson/lemote-2f/reset.c b/arch/mips/loongson/lemote-2f/reset.c deleted file mode 100644 index 36020a0..0000000 --- a/arch/mips/loongson/lemote-2f/reset.c +++ /dev/null @@ -1,159 +0,0 @@ -/* Board-specific reboot/shutdown routines - * - * Copyright (c) 2009 Philippe Vachon <philippe@xxxxxxxxx> - * - * Copyright (C) 2009 Lemote Inc. - * Author: Wu Zhangjin, wuzhangjin@xxxxxxxxx - * - * 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 of the License, or (at your - * option) any later version. - */ - -#include <linux/io.h> -#include <linux/delay.h> -#include <linux/types.h> - -#include <asm/bootinfo.h> - -#include <loongson.h> - -#include <cs5536/cs5536.h> -#include "ec_kb3310b.h" - -static void reset_cpu(void) -{ - /* - * reset cpu to full speed, this is needed when enabling cpu frequency - * scalling - */ - LOONGSON_CHIPCFG0 |= 0x7; -} - -/* reset support for fuloong2f */ - -static void fl2f_reboot(void) -{ - reset_cpu(); - - /* send a reset signal to south bridge. - * - * NOTE: if enable "Power Management" in kernel, rtl8169 will not reset - * normally with this reset operation and it will not work in PMON, but - * you can type halt command and then reboot, seems the hardware reset - * logic not work normally. - */ - { - u32 hi, lo; - _rdmsr(DIVIL_MSR_REG(DIVIL_SOFT_RESET), &hi, &lo); - lo |= 0x00000001; - _wrmsr(DIVIL_MSR_REG(DIVIL_SOFT_RESET), hi, lo); - } -} - -static void fl2f_shutdown(void) -{ - u32 hi, lo, val; - int gpio_base; - - /* get gpio base */ - _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &lo); - gpio_base = lo & 0xff00; - - /* make cs5536 gpio13 output enable */ - val = inl(gpio_base + GPIOL_OUT_EN); - val &= ~(1 << (16 + 13)); - val |= (1 << 13); - outl(val, gpio_base + GPIOL_OUT_EN); - mmiowb(); - /* make cs5536 gpio13 output low level voltage. */ - val = inl(gpio_base + GPIOL_OUT_VAL) & ~(1 << (13)); - val |= (1 << (16 + 13)); - outl(val, gpio_base + GPIOL_OUT_VAL); - mmiowb(); -} - -/* reset support for yeeloong2f and mengloong2f notebook */ - -void ml2f_reboot(void) -{ - reset_cpu(); - - /* sending an reset signal to EC(embedded controller) */ - ec_write(REG_RESET, BIT_RESET_ON); -} - -#define yl2f89_reboot ml2f_reboot - -/* menglong(7inches) laptop has different shutdown logic from 8.9inches */ -#define EC_SHUTDOWN_IO_PORT_HIGH 0xff2d -#define EC_SHUTDOWN_IO_PORT_LOW 0xff2e -#define EC_SHUTDOWN_IO_PORT_DATA 0xff2f -#define REG_SHUTDOWN_HIGH 0xFC -#define REG_SHUTDOWN_LOW 0x29 -#define BIT_SHUTDOWN_ON (1 << 1) - -static void ml2f_shutdown(void) -{ - u8 val; - u64 i; - - outb(REG_SHUTDOWN_HIGH, EC_SHUTDOWN_IO_PORT_HIGH); - outb(REG_SHUTDOWN_LOW, EC_SHUTDOWN_IO_PORT_LOW); - mmiowb(); - val = inb(EC_SHUTDOWN_IO_PORT_DATA); - outb(val & (~BIT_SHUTDOWN_ON), EC_SHUTDOWN_IO_PORT_DATA); - mmiowb(); - /* need enough wait here... how many microseconds needs? */ - for (i = 0; i < 0x10000; i++) - delay(); - outb(val | BIT_SHUTDOWN_ON, EC_SHUTDOWN_IO_PORT_DATA); - mmiowb(); -} - -static void yl2f89_shutdown(void) -{ - /* cpu-gpio0 output low */ - LOONGSON_GPIODATA &= ~0x00000001; - /* cpu-gpio0 as output */ - LOONGSON_GPIOIE &= ~0x00000001; -} - -void mach_prepare_reboot(void) -{ - switch (mips_machtype) { - case MACH_LEMOTE_FL2F: - case MACH_LEMOTE_NAS: - case MACH_LEMOTE_LL2F: - fl2f_reboot(); - break; - case MACH_LEMOTE_ML2F7: - ml2f_reboot(); - break; - case MACH_LEMOTE_YL2F89: - yl2f89_reboot(); - break; - default: - break; - } -} - -void mach_prepare_shutdown(void) -{ - switch (mips_machtype) { - case MACH_LEMOTE_FL2F: - case MACH_LEMOTE_NAS: - case MACH_LEMOTE_LL2F: - fl2f_shutdown(); - break; - case MACH_LEMOTE_ML2F7: - ml2f_shutdown(); - break; - case MACH_LEMOTE_YL2F89: - yl2f89_shutdown(); - break; - default: - break; - } -} -- 1.5.6.5