diff options
Diffstat (limited to 'target/linux/patches/2.6.36/lemote.patch')
-rw-r--r-- | target/linux/patches/2.6.36/lemote.patch | 4267 |
1 files changed, 4267 insertions, 0 deletions
diff --git a/target/linux/patches/2.6.36/lemote.patch b/target/linux/patches/2.6.36/lemote.patch new file mode 100644 index 000000000..a03c5867b --- /dev/null +++ b/target/linux/patches/2.6.36/lemote.patch @@ -0,0 +1,4267 @@ +diff -Nur linux-2.6.36.orig/arch/mips/Kconfig linux-2.6.36/arch/mips/Kconfig +--- linux-2.6.36.orig/arch/mips/Kconfig 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/Kconfig 2010-12-17 23:12:59.000000000 +0100 +@@ -205,7 +205,7 @@ + + config MACH_LOONGSON + bool "Loongson family of machines" +- select SYS_SUPPORTS_ZBOOT ++ select SYS_SUPPORTS_ZBOOT_UART16550 + help + This enables the support of Loongson family of machines. + +@@ -1093,6 +1093,8 @@ + bool "Loongson 2E" + depends on SYS_HAS_CPU_LOONGSON2E + select CPU_LOONGSON2 ++ select GENERIC_GPIO ++ select ARCH_REQUIRE_GPIOLIB + help + The Loongson 2E processor implements the MIPS III instruction set + with many extensions. +@@ -2012,6 +2014,18 @@ + source "kernel/time/Kconfig" + + # ++# High Resolution sched_clock() Configuration ++# ++ ++config CPU_HAS_FIXED_C0_COUNT ++ bool ++ ++config CPU_SUPPORTS_HR_SCHED_CLOCK ++ bool ++ depends on CPU_HAS_FIXED_C0_COUNT || !CPU_FREQ ++ default y ++ ++# + # Timer Interrupt Frequency Configuration + # + +diff -Nur linux-2.6.36.orig/arch/mips/include/asm/dma-mapping.h linux-2.6.36/arch/mips/include/asm/dma-mapping.h +--- linux-2.6.36.orig/arch/mips/include/asm/dma-mapping.h 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/include/asm/dma-mapping.h 2010-12-17 23:12:59.000000000 +0100 +@@ -65,4 +65,8 @@ + extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size, + enum dma_data_direction direction); + ++#define ARCH_HAS_DMA_MMAP_COHERENT ++extern int dma_mmap_coherent(struct device *dev, struct vm_area_struct *vma, ++ void *cpu_addr, dma_addr_t handle, size_t size); ++ + #endif /* _ASM_DMA_MAPPING_H */ +diff -Nur linux-2.6.36.orig/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h linux-2.6.36/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h +--- linux-2.6.36.orig/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h 2010-12-17 23:12:59.000000000 +0100 +@@ -255,21 +255,12 @@ + * IDE STANDARD + */ + #define IDE_CAP 0x00 +-#define IDE_CONFIG 0x01 +-#define IDE_SMI 0x02 +-#define IDE_ERROR 0x03 +-#define IDE_PM 0x04 +-#define IDE_DIAG 0x05 +- +-/* +- * IDE SPEC. +- */ + #define IDE_IO_BAR 0x08 + #define IDE_CFG 0x10 + #define IDE_DTC 0x12 + #define IDE_CAST 0x13 + #define IDE_ETC 0x14 +-#define IDE_INTERNAL_PM 0x15 ++#define IDE_PM 0x15 + + /* + * ACC STANDARD +@@ -301,5 +292,40 @@ + /* GPIO : I/O SPACE; REG : 32BITS */ + #define GPIOL_OUT_VAL 0x00 + #define GPIOL_OUT_EN 0x04 ++#define GPIOL_OUT_AUX1_SEL 0x10 ++/* SMB : I/O SPACE, REG : 8BITS WIDTH */ ++#define SMB_SDA 0x00 ++#define SMB_STS 0x01 ++#define SMB_STS_SLVSTP (1 << 7) ++#define SMB_STS_SDAST (1 << 6) ++#define SMB_STS_BER (1 << 5) ++#define SMB_STS_NEGACK (1 << 4) ++#define SMB_STS_STASTR (1 << 3) ++#define SMB_STS_NMATCH (1 << 2) ++#define SMB_STS_MASTER (1 << 1) ++#define SMB_STS_XMIT (1 << 0) ++#define SMB_CTRL_STS 0x02 ++#define SMB_CSTS_TGSTL (1 << 5) ++#define SMB_CSTS_TSDA (1 << 4) ++#define SMB_CSTS_GCMTCH (1 << 3) ++#define SMB_CSTS_MATCH (1 << 2) ++#define SMB_CSTS_BB (1 << 1) ++#define SMB_CSTS_BUSY (1 << 0) ++#define SMB_CTRL1 0x03 ++#define SMB_CTRL1_STASTRE (1 << 7) ++#define SMB_CTRL1_NMINTE (1 << 6) ++#define SMB_CTRL1_GCMEN (1 << 5) ++#define SMB_CTRL1_ACK (1 << 4) ++#define SMB_CTRL1_RSVD (1 << 3) ++#define SMB_CTRL1_INTEN (1 << 2) ++#define SMB_CTRL1_STOP (1 << 1) ++#define SMB_CTRL1_START (1 << 0) ++#define SMB_ADDR 0x04 ++#define SMB_ADDR_SAEN (1 << 7) ++#define SMB_CONTROLLER_ADDR (0xef << 0) ++#define SMB_CTRL2 0x05 ++#define SMB_FREQ (0x20 << 1) ++#define SMB_ENABLE (0x01 << 0) ++#define SMB_CTRL3 0x06 + + #endif /* _CS5536_H */ +diff -Nur linux-2.6.36.orig/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h linux-2.6.36/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h +--- linux-2.6.36.orig/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h 2010-12-17 23:12:59.000000000 +0100 +@@ -32,4 +32,9 @@ + #define MFGPT0_CNT (MFGPT_BASE + 4) + #define MFGPT0_SETUP (MFGPT_BASE + 6) + ++#define MFGPT2_CMP1 (MFGPT_BASE + 0x10) ++#define MFGPT2_CMP2 (MFGPT_BASE + 0x12) ++#define MFGPT2_CNT (MFGPT_BASE + 0x14) ++#define MFGPT2_SETUP (MFGPT_BASE + 0x16) ++ + #endif /*!_CS5536_MFGPT_H */ +diff -Nur linux-2.6.36.orig/arch/mips/include/asm/mach-loongson/ec_kb3310b.h linux-2.6.36/arch/mips/include/asm/mach-loongson/ec_kb3310b.h +--- linux-2.6.36.orig/arch/mips/include/asm/mach-loongson/ec_kb3310b.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.36/arch/mips/include/asm/mach-loongson/ec_kb3310b.h 2010-12-17 23:12:59.000000000 +0100 +@@ -0,0 +1,191 @@ ++/* ++ * KB3310B Embedded Controller ++ * ++ * Copyright (C) 2008 Lemote Inc. ++ * Author: liujl <liujl@lemote.com>, 2008-03-14 ++ * Copyright (C) 2009 Lemote Inc. ++ * Author: Wu Zhangjin <wuzhangjin@gmail.com> ++ * ++ * 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) ++ ++/* 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, /* Turn on/off LID */ ++ EVENT_SWITCHVIDEOMODE, /* 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_DISPLAYTOGGLE, /* Fn+F2, Turn on/off backlight */ ++ EVENT_AUDIO_MUTE, /* Fn+F4, Mute on/off */ ++ EVENT_DISPLAY_BRIGHTNESS,/* Fn+^/V, LCD backlight brightness adjust */ ++ EVENT_AC_BAT, /* AC & Battery relative issue */ ++ EVENT_AUDIO_VOLUME, /* Fn+<|>, Volume adjust */ ++ EVENT_WLAN, /* Wlan on/off */ ++}; ++ ++#define EVENT_START EVENT_LID ++#define EVENT_END EVENT_WLAN ++ ++#endif /* !_EC_KB3310B_H */ +diff -Nur linux-2.6.36.orig/arch/mips/include/asm/mach-loongson/loongson.h linux-2.6.36/arch/mips/include/asm/mach-loongson/loongson.h +--- linux-2.6.36.orig/arch/mips/include/asm/mach-loongson/loongson.h 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/include/asm/mach-loongson/loongson.h 2010-12-17 23:12:59.000000000 +0100 +@@ -42,6 +42,12 @@ + #endif + } + ++/* ++ * Copy kernel command line from arcs_cmdline ++ */ ++#include <asm/setup.h> ++extern char loongson_cmdline[COMMAND_LINE_SIZE]; ++ + /* irq operation functions */ + extern void bonito_irqdispatch(void); + extern void __init bonito_irq_init(void); +diff -Nur linux-2.6.36.orig/arch/mips/kernel/csrc-r4k.c linux-2.6.36/arch/mips/kernel/csrc-r4k.c +--- linux-2.6.36.orig/arch/mips/kernel/csrc-r4k.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/kernel/csrc-r4k.c 2010-12-17 23:12:59.000000000 +0100 +@@ -6,10 +6,66 @@ + * Copyright (C) 2007 by Ralf Baechle + */ + #include <linux/clocksource.h> ++#include <linux/cnt32_to_63.h> + #include <linux/init.h> ++#include <linux/timer.h> + + #include <asm/time.h> + ++#ifdef CONFIG_CPU_SUPPORTS_HR_SCHED_CLOCK ++/* ++ * MIPS sched_clock implementation. ++ * ++ * Because the hardware timer period is quite short and because cnt32_to_63() ++ * needs to be called at least once per half period to work properly, a kernel ++ * timer is set up to ensure this requirement is always met. ++ * ++ * Please refer to include/linux/cnt32_to_63.h and arch/arm/plat-orion/time.c ++ */ ++#define CLOCK2NS_SCALE_FACTOR 8 ++ ++static unsigned long clock2ns_scale __read_mostly; ++ ++unsigned long long notrace sched_clock(void) ++{ ++ unsigned long long v = cnt32_to_63(read_c0_count()); ++ return (v * clock2ns_scale) >> CLOCK2NS_SCALE_FACTOR; ++} ++ ++static struct timer_list cnt32_to_63_keepwarm_timer; ++ ++static void cnt32_to_63_keepwarm(unsigned long data) ++{ ++ mod_timer(&cnt32_to_63_keepwarm_timer, round_jiffies(jiffies + data)); ++ sched_clock(); ++} ++#endif ++ ++static inline void setup_hres_sched_clock(unsigned long clock) ++{ ++#ifdef CONFIG_CPU_SUPPORTS_HR_SCHED_CLOCK ++ unsigned long long v; ++ unsigned long data; ++ ++ v = NSEC_PER_SEC; ++ v <<= CLOCK2NS_SCALE_FACTOR; ++ v += clock/2; ++ do_div(v, clock); ++ /* ++ * We want an even value to automatically clear the top bit ++ * returned by cnt32_to_63() without an additional run time ++ * instruction. So if the LSB is 1 then round it up. ++ */ ++ if (v & 1) ++ v++; ++ clock2ns_scale = v; ++ ++ data = 0x80000000UL / clock * HZ; ++ setup_timer(&cnt32_to_63_keepwarm_timer, cnt32_to_63_keepwarm, data); ++ mod_timer(&cnt32_to_63_keepwarm_timer, round_jiffies(jiffies + data)); ++#endif ++} ++ + static cycle_t c0_hpt_read(struct clocksource *cs) + { + return read_c0_count(); +@@ -27,6 +83,8 @@ + if (!cpu_has_counter || !mips_hpt_frequency) + return -ENXIO; + ++ setup_hres_sched_clock(mips_hpt_frequency); ++ + /* Calculate a somewhat reasonable rating value */ + clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000; + +diff -Nur linux-2.6.36.orig/arch/mips/kernel/time.c linux-2.6.36/arch/mips/kernel/time.c +--- linux-2.6.36.orig/arch/mips/kernel/time.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/kernel/time.c 2010-12-17 23:12:59.000000000 +0100 +@@ -119,6 +119,11 @@ + + void __init time_init(void) + { ++#ifdef CONFIG_HR_SCHED_CLOCK ++ if (!mips_clockevent_init() || !cpu_has_mfc0_count_bug()) ++ write_c0_count(0); ++#endif ++ + plat_time_init(); + + if (!mips_clockevent_init() || !cpu_has_mfc0_count_bug()) +diff -Nur linux-2.6.36.orig/arch/mips/loongson/common/cmdline.c linux-2.6.36/arch/mips/loongson/common/cmdline.c +--- linux-2.6.36.orig/arch/mips/loongson/common/cmdline.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/loongson/common/cmdline.c 2010-12-17 23:12:59.000000000 +0100 +@@ -17,10 +17,15 @@ + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ ++#include <linux/module.h> + #include <asm/bootinfo.h> + + #include <loongson.h> + ++/* the kernel command line copied from arcs_cmdline */ ++char loongson_cmdline[COMMAND_LINE_SIZE]; ++EXPORT_SYMBOL(loongson_cmdline); ++ + void __init prom_init_cmdline(void) + { + int prom_argc; +@@ -50,4 +55,26 @@ + strcat(arcs_cmdline, " root=/dev/hda1"); + + prom_init_machtype(); ++ ++ /* append machine specific command line */ ++ switch (mips_machtype) { ++ case MACH_LEMOTE_LL2F: ++ if ((strstr(arcs_cmdline, "video=")) == NULL) ++ strcat(arcs_cmdline, " video=sisfb:1360x768-16@60"); ++ break; ++ case MACH_LEMOTE_FL2F: ++ if ((strstr(arcs_cmdline, "ide_core.ignore_cable=")) == NULL) ++ strcat(arcs_cmdline, " ide_core.ignore_cable=0"); ++ break; ++ case MACH_LEMOTE_ML2F7: ++ /* Mengloong-2F has a 800x480 screen */ ++ if ((strstr(arcs_cmdline, "vga=")) == NULL) ++ strcat(arcs_cmdline, " vga=0x313"); ++ break; ++ default: ++ break; ++ } ++ ++ /* copy arcs_cmdline into loongson_cmdline */ ++ strncpy(loongson_cmdline, arcs_cmdline, COMMAND_LINE_SIZE); + } +diff -Nur linux-2.6.36.orig/arch/mips/loongson/common/cs5536/cs5536_acc.c linux-2.6.36/arch/mips/loongson/common/cs5536/cs5536_acc.c +--- linux-2.6.36.orig/arch/mips/loongson/common/cs5536/cs5536_acc.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/loongson/common/cs5536/cs5536_acc.c 2010-12-17 23:12:59.000000000 +0100 +@@ -18,7 +18,7 @@ + + void pci_acc_write_reg(int reg, u32 value) + { +- u32 hi = 0, lo = value; ++ u32 hi, lo; + + switch (reg) { + case PCI_COMMAND: +@@ -66,75 +66,73 @@ + u32 pci_acc_read_reg(int reg) + { + u32 hi, lo; +- u32 conf_data = 0; ++ u32 cfg = 0; + + switch (reg) { + case PCI_VENDOR_ID: +- conf_data = +- CFG_PCI_VENDOR_ID(CS5536_ACC_DEVICE_ID, CS5536_VENDOR_ID); ++ cfg = CFG_PCI_VENDOR_ID(CS5536_ACC_DEVICE_ID, ++ CS5536_VENDOR_ID); + break; + case PCI_COMMAND: + _rdmsr(GLIU_MSR_REG(GLIU_IOD_BM1), &hi, &lo); + if (((lo & 0xfff00000) || (hi & 0x000000ff)) + && ((hi & 0xf0000000) == 0xa0000000)) +- conf_data |= PCI_COMMAND_IO; ++ cfg |= PCI_COMMAND_IO; + _rdmsr(GLIU_MSR_REG(GLIU_PAE), &hi, &lo); + if ((lo & 0x300) == 0x300) +- conf_data |= PCI_COMMAND_MASTER; ++ cfg |= PCI_COMMAND_MASTER; + break; + case PCI_STATUS: +- conf_data |= PCI_STATUS_66MHZ; +- conf_data |= PCI_STATUS_FAST_BACK; ++ cfg |= PCI_STATUS_66MHZ; ++ cfg |= PCI_STATUS_FAST_BACK; + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) +- conf_data |= PCI_STATUS_PARITY; +- conf_data |= PCI_STATUS_DEVSEL_MEDIUM; ++ cfg |= PCI_STATUS_PARITY; ++ cfg |= PCI_STATUS_DEVSEL_MEDIUM; + break; + case PCI_CLASS_REVISION: + _rdmsr(ACC_MSR_REG(ACC_CAP), &hi, &lo); +- conf_data = lo & 0x000000ff; +- conf_data |= (CS5536_ACC_CLASS_CODE << 8); ++ cfg = lo & 0x000000ff; ++ cfg |= (CS5536_ACC_CLASS_CODE << 8); + break; + case PCI_CACHE_LINE_SIZE: +- conf_data = +- CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, +- PCI_NORMAL_LATENCY_TIMER); ++ cfg = CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, ++ PCI_NORMAL_LATENCY_TIMER); + break; + case PCI_BAR0_REG: + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + if (lo & SOFT_BAR_ACC_FLAG) { +- conf_data = CS5536_ACC_RANGE | ++ cfg = CS5536_ACC_RANGE | + PCI_BASE_ADDRESS_SPACE_IO; + lo &= ~SOFT_BAR_ACC_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else { + _rdmsr(GLIU_MSR_REG(GLIU_IOD_BM1), &hi, &lo); +- conf_data = (hi & 0x000000ff) << 12; +- conf_data |= (lo & 0xfff00000) >> 20; +- conf_data |= 0x01; +- conf_data &= ~0x02; ++ cfg = (hi & 0x000000ff) << 12; ++ cfg |= (lo & 0xfff00000) >> 20; ++ cfg |= 0x01; ++ cfg &= ~0x02; + } + break; + case PCI_CARDBUS_CIS: +- conf_data = PCI_CARDBUS_CIS_POINTER; ++ cfg = PCI_CARDBUS_CIS_POINTER; + break; + case PCI_SUBSYSTEM_VENDOR_ID: +- conf_data = +- CFG_PCI_VENDOR_ID(CS5536_ACC_SUB_ID, CS5536_SUB_VENDOR_ID); ++ cfg = CFG_PCI_VENDOR_ID(CS5536_ACC_SUB_ID, ++ CS5536_SUB_VENDOR_ID); + break; + case PCI_ROM_ADDRESS: +- conf_data = PCI_EXPANSION_ROM_BAR; ++ cfg = PCI_EXPANSION_ROM_BAR; + break; + case PCI_CAPABILITY_LIST: +- conf_data = PCI_CAPLIST_USB_POINTER; ++ cfg = PCI_CAPLIST_USB_POINTER; + break; + case PCI_INTERRUPT_LINE: +- conf_data = +- CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_ACC_INTR); ++ cfg = CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_ACC_INTR); + break; + default: + break; + } + +- return conf_data; ++ return cfg; + } +diff -Nur linux-2.6.36.orig/arch/mips/loongson/common/cs5536/cs5536_ehci.c linux-2.6.36/arch/mips/loongson/common/cs5536/cs5536_ehci.c +--- linux-2.6.36.orig/arch/mips/loongson/common/cs5536/cs5536_ehci.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/loongson/common/cs5536/cs5536_ehci.c 2010-12-17 23:12:59.000000000 +0100 +@@ -18,7 +18,7 @@ + + void pci_ehci_write_reg(int reg, u32 value) + { +- u32 hi = 0, lo = value; ++ u32 hi, lo; + + switch (reg) { + case PCI_COMMAND: +@@ -78,83 +78,81 @@ + + u32 pci_ehci_read_reg(int reg) + { +- u32 conf_data = 0; ++ u32 cfg = 0; + u32 hi, lo; + + switch (reg) { + case PCI_VENDOR_ID: +- conf_data = +- CFG_PCI_VENDOR_ID(CS5536_EHCI_DEVICE_ID, CS5536_VENDOR_ID); ++ cfg = CFG_PCI_VENDOR_ID(CS5536_EHCI_DEVICE_ID, ++ CS5536_VENDOR_ID); + break; + case PCI_COMMAND: + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); + if (hi & PCI_COMMAND_MASTER) +- conf_data |= PCI_COMMAND_MASTER; ++ cfg |= PCI_COMMAND_MASTER; + if (hi & PCI_COMMAND_MEMORY) +- conf_data |= PCI_COMMAND_MEMORY; ++ cfg |= PCI_COMMAND_MEMORY; + break; + case PCI_STATUS: +- conf_data |= PCI_STATUS_66MHZ; +- conf_data |= PCI_STATUS_FAST_BACK; ++ cfg |= PCI_STATUS_66MHZ; ++ cfg |= PCI_STATUS_FAST_BACK; + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) +- conf_data |= PCI_STATUS_PARITY; +- conf_data |= PCI_STATUS_DEVSEL_MEDIUM; ++ cfg |= PCI_STATUS_PARITY; ++ cfg |= PCI_STATUS_DEVSEL_MEDIUM; + break; + case PCI_CLASS_REVISION: + _rdmsr(USB_MSR_REG(USB_CAP), &hi, &lo); +- conf_data = lo & 0x000000ff; +- conf_data |= (CS5536_EHCI_CLASS_CODE << 8); ++ cfg = lo & 0x000000ff; ++ cfg |= (CS5536_EHCI_CLASS_CODE << 8); + break; + case PCI_CACHE_LINE_SIZE: +- conf_data = +- CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, +- PCI_NORMAL_LATENCY_TIMER); ++ cfg = CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, ++ PCI_NORMAL_LATENCY_TIMER); + break; + case PCI_BAR0_REG: + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + if (lo & SOFT_BAR_EHCI_FLAG) { +- conf_data = CS5536_EHCI_RANGE | ++ cfg = CS5536_EHCI_RANGE | + PCI_BASE_ADDRESS_SPACE_MEMORY; + lo &= ~SOFT_BAR_EHCI_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else { + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); +- conf_data = lo & 0xfffff000; ++ cfg = lo & 0xfffff000; + } + break; + case PCI_CARDBUS_CIS: +- conf_data = PCI_CARDBUS_CIS_POINTER; ++ cfg = PCI_CARDBUS_CIS_POINTER; + break; + case PCI_SUBSYSTEM_VENDOR_ID: +- conf_data = +- CFG_PCI_VENDOR_ID(CS5536_EHCI_SUB_ID, CS5536_SUB_VENDOR_ID); ++ cfg = CFG_PCI_VENDOR_ID(CS5536_EHCI_SUB_ID, ++ CS5536_SUB_VENDOR_ID); + break; + case PCI_ROM_ADDRESS: +- conf_data = PCI_EXPANSION_ROM_BAR; ++ cfg = PCI_EXPANSION_ROM_BAR; + break; + case PCI_CAPABILITY_LIST: +- conf_data = PCI_CAPLIST_USB_POINTER; ++ cfg = PCI_CAPLIST_USB_POINTER; + break; + case PCI_INTERRUPT_LINE: +- conf_data = +- CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_USB_INTR); ++ cfg = CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_USB_INTR); + break; + case PCI_EHCI_LEGSMIEN_REG: + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); +- conf_data = (hi & 0x003f0000) >> 16; ++ cfg = (hi & 0x003f0000) >> 16; + break; + case PCI_EHCI_LEGSMISTS_REG: + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); +- conf_data = (hi & 0x3f000000) >> 24; ++ cfg = (hi & 0x3f000000) >> 24; + break; + case PCI_EHCI_FLADJ_REG: + _rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo); +- conf_data = hi & 0x00003f00; ++ cfg = hi & 0x00003f00; + break; + default: + break; + } + +- return conf_data; ++ return cfg; + } +diff -Nur linux-2.6.36.orig/arch/mips/loongson/common/cs5536/cs5536_ide.c linux-2.6.36/arch/mips/loongson/common/cs5536/cs5536_ide.c +--- linux-2.6.36.orig/arch/mips/loongson/common/cs5536/cs5536_ide.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/loongson/common/cs5536/cs5536_ide.c 2010-12-17 23:12:59.000000000 +0100 +@@ -18,7 +18,7 @@ + + void pci_ide_write_reg(int reg, u32 value) + { +- u32 hi = 0, lo = value; ++ u32 hi, lo; + + switch (reg) { + case PCI_COMMAND: +@@ -72,26 +72,16 @@ + _wrmsr(IDE_MSR_REG(IDE_CFG), hi, lo); + } + break; +- case PCI_IDE_DTC_REG: +- _rdmsr(IDE_MSR_REG(IDE_DTC), &hi, &lo); +- lo = value; +- _wrmsr(IDE_MSR_REG(IDE_DTC), hi, lo); +- break; +- case PCI_IDE_CAST_REG: +- _rdmsr(IDE_MSR_REG(IDE_CAST), &hi, &lo); +- lo = value; +- _wrmsr(IDE_MSR_REG(IDE_CAST), hi, lo); +- break; +- case PCI_IDE_ETC_REG: +- _rdmsr(IDE_MSR_REG(IDE_ETC), &hi, &lo); +- lo = value; +- _wrmsr(IDE_MSR_REG(IDE_ETC), hi, lo); +- break; +- case PCI_IDE_PM_REG: +- _rdmsr(IDE_MSR_REG(IDE_INTERNAL_PM), &hi, &lo); +- lo = value; +- _wrmsr(IDE_MSR_REG(IDE_INTERNAL_PM), hi, lo); +- break; ++#define SET_PCI_IDE_REG(r) \ ++ case PCI_IDE_##r##_REG: \ ++ _rdmsr(IDE_MSR_REG(IDE_##r), &hi, &lo); \ ++ lo = value; \ ++ _wrmsr(IDE_MSR_REG(IDE_##r), hi, lo); \ ++ break; ++ SET_PCI_IDE_REG(DTC) ++ SET_PCI_IDE_REG(CAST) ++ SET_PCI_IDE_REG(ETC) ++ SET_PCI_IDE_REG(PM) + default: + break; + } +@@ -99,94 +89,82 @@ + + u32 pci_ide_read_reg(int reg) + { +- u32 conf_data = 0; ++ u32 cfg = 0; + u32 hi, lo; + + switch (reg) { + case PCI_VENDOR_ID: +- conf_data = +- CFG_PCI_VENDOR_ID(CS5536_IDE_DEVICE_ID, CS5536_VENDOR_ID); ++ cfg = CFG_PCI_VENDOR_ID(CS5536_IDE_DEVICE_ID, ++ CS5536_VENDOR_ID); + break; + case PCI_COMMAND: + _rdmsr(IDE_MSR_REG(IDE_IO_BAR), &hi, &lo); + if (lo & 0xfffffff0) +- conf_data |= PCI_COMMAND_IO; ++ cfg |= PCI_COMMAND_IO; + _rdmsr(GLIU_MSR_REG(GLIU_PAE), &hi, &lo); + if ((lo & 0x30) == 0x30) +- conf_data |= PCI_COMMAND_MASTER; ++ cfg |= PCI_COMMAND_MASTER; + break; + case PCI_STATUS: +- conf_data |= PCI_STATUS_66MHZ; +- conf_data |= PCI_STATUS_FAST_BACK; ++ cfg |= PCI_STATUS_66MHZ; ++ cfg |= PCI_STATUS_FAST_BACK; + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) +- conf_data |= PCI_STATUS_PARITY; +- conf_data |= PCI_STATUS_DEVSEL_MEDIUM; ++ cfg |= PCI_STATUS_PARITY; ++ cfg |= PCI_STATUS_DEVSEL_MEDIUM; + break; + case PCI_CLASS_REVISION: + _rdmsr(IDE_MSR_REG(IDE_CAP), &hi, &lo); +- conf_data = lo & 0x000000ff; +- conf_data |= (CS5536_IDE_CLASS_CODE << 8); ++ cfg = lo & 0x000000ff; ++ cfg |= (CS5536_IDE_CLASS_CODE << 8); + break; + case PCI_CACHE_LINE_SIZE: + _rdmsr(SB_MSR_REG(SB_CTRL), &hi, &lo); + hi &= 0x000000f8; +- conf_data = CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, hi); ++ cfg = CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, hi); + break; + case PCI_BAR4_REG: + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + if (lo & SOFT_BAR_IDE_FLAG) { +- conf_data = CS5536_IDE_RANGE | ++ cfg = CS5536_IDE_RANGE | + PCI_BASE_ADDRESS_SPACE_IO; + lo &= ~SOFT_BAR_IDE_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else { + _rdmsr(IDE_MSR_REG(IDE_IO_BAR), &hi, &lo); +- conf_data = lo & 0xfffffff0; +- conf_data |= 0x01; +- conf_data &= ~0x02; ++ cfg = lo & 0xfffffff0; ++ cfg |= 0x01; ++ cfg &= ~0x02; + } + break; + case PCI_CARDBUS_CIS: +- conf_data = PCI_CARDBUS_CIS_POINTER; ++ cfg = PCI_CARDBUS_CIS_POINTER; + break; + case PCI_SUBSYSTEM_VENDOR_ID: +- conf_data = +- CFG_PCI_VENDOR_ID(CS5536_IDE_SUB_ID, CS5536_SUB_VENDOR_ID); ++ cfg = CFG_PCI_VENDOR_ID(CS5536_IDE_SUB_ID, ++ CS5536_SUB_VENDOR_ID); + break; + case PCI_ROM_ADDRESS: +- conf_data = PCI_EXPANSION_ROM_BAR; ++ cfg = PCI_EXPANSION_ROM_BAR; + break; + case PCI_CAPABILITY_LIST: +- conf_data = PCI_CAPLIST_POINTER; ++ cfg = PCI_CAPLIST_POINTER; + break; + case PCI_INTERRUPT_LINE: +- conf_data = +- CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_IDE_INTR); +- break; +- case PCI_IDE_CFG_REG: +- _rdmsr(IDE_MSR_REG(IDE_CFG), &hi, &lo); +- conf_data = lo; +- break; +- case PCI_IDE_DTC_REG: +- _rdmsr(IDE_MSR_REG(IDE_DTC), &hi, &lo); +- conf_data = lo; +- break; +- case PCI_IDE_CAST_REG: +- _rdmsr(IDE_MSR_REG(IDE_CAST), &hi, &lo); +- conf_data = lo; +- break; +- case PCI_IDE_ETC_REG: +- _rdmsr(IDE_MSR_REG(IDE_ETC), &hi, &lo); +- conf_data = lo; +- break; +- case PCI_IDE_PM_REG: +- _rdmsr(IDE_MSR_REG(IDE_INTERNAL_PM), &hi, &lo); +- conf_data = lo; ++ cfg = CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_IDE_INTR); + break; ++#define GET_PCI_IDE_REG(r) \ ++ case PCI_IDE_##r##_REG: \ ++ _rdmsr(IDE_MSR_REG(IDE_##r), &hi, &cfg); \ ++ break; ++ GET_PCI_IDE_REG(CFG) ++ GET_PCI_IDE_REG(DTC) ++ GET_PCI_IDE_REG(CAST) ++ GET_PCI_IDE_REG(ETC) ++ GET_PCI_IDE_REG(PM) + default: + break; + } + +- return conf_data; ++ return cfg; + } +diff -Nur linux-2.6.36.orig/arch/mips/loongson/common/cs5536/cs5536_ohci.c linux-2.6.36/arch/mips/loongson/common/cs5536/cs5536_ohci.c +--- linux-2.6.36.orig/arch/mips/loongson/common/cs5536/cs5536_ohci.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/loongson/common/cs5536/cs5536_ohci.c 2010-12-17 23:12:59.000000000 +0100 +@@ -18,7 +18,7 @@ + + void pci_ohci_write_reg(int reg, u32 value) + { +- u32 hi = 0, lo = value; ++ u32 hi, lo; + + switch (reg) { + case PCI_COMMAND: +@@ -73,77 +73,75 @@ + + u32 pci_ohci_read_reg(int reg) + { +- u32 conf_data = 0; ++ u32 cfg = 0; + u32 hi, lo; + + switch (reg) { + case PCI_VENDOR_ID: +- conf_data = +- CFG_PCI_VENDOR_ID(CS5536_OHCI_DEVICE_ID, CS5536_VENDOR_ID); ++ cfg = CFG_PCI_VENDOR_ID(CS5536_OHCI_DEVICE_ID, ++ CS5536_VENDOR_ID); + break; + case PCI_COMMAND: + _rdmsr(USB_MSR_REG(USB_OHCI), &hi, &lo); + if (hi & PCI_COMMAND_MASTER) +- conf_data |= PCI_COMMAND_MASTER; ++ cfg |= PCI_COMMAND_MASTER; + if (hi & PCI_COMMAND_MEMORY) +- conf_data |= PCI_COMMAND_MEMORY; ++ cfg |= PCI_COMMAND_MEMORY; + break; + case PCI_STATUS: +- conf_data |= PCI_STATUS_66MHZ; +- conf_data |= PCI_STATUS_FAST_BACK; ++ cfg |= PCI_STATUS_66MHZ; ++ cfg |= PCI_STATUS_FAST_BACK; + _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); + if (lo & SB_PARE_ERR_FLAG) +- conf_data |= PCI_STATUS_PARITY; +- conf_data |= PCI_STATUS_DEVSEL_MEDIUM; ++ cfg |= PCI_STATUS_PARITY; ++ cfg |= PCI_STATUS_DEVSEL_MEDIUM; + break; + case PCI_CLASS_REVISION: + _rdmsr(USB_MSR_REG(USB_CAP), &hi, &lo); +- conf_data = lo & 0x000000ff; +- conf_data |= (CS5536_OHCI_CLASS_CODE << 8); ++ cfg = lo & 0x000000ff; ++ cfg |= (CS5536_OHCI_CLASS_CODE << 8); + break; + case PCI_CACHE_LINE_SIZE: +- conf_data = +- CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, +- PCI_NORMAL_LATENCY_TIMER); ++ cfg = CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, ++ PCI_NORMAL_LATENCY_TIMER); + break; + case PCI_BAR0_REG: + _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); + if (lo & SOFT_BAR_OHCI_FLAG) { +- conf_data = CS5536_OHCI_RANGE | ++ cfg = CS5536_OHCI_RANGE | + PCI_BASE_ADDRESS_SPACE_MEMORY; + lo &= ~SOFT_BAR_OHCI_FLAG; + _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); + } else { + _rdmsr(USB_MSR_REG(USB_OHCI), &hi, &lo); +- conf_data = lo & 0xffffff00; +- conf_data &= ~0x0000000f; /* 32bit mem */ ++ cfg = lo & 0xffffff00; ++ cfg &= ~0x0000000f; /* 32bit mem */ + } + break; + case PCI_CARDBUS_CIS: +- conf_data = PCI_CARDBUS_CIS_POINTER; ++ cfg = PCI_CARDBUS_CIS_POINTER; + break; + case PCI_SUBSYSTEM_VENDOR_ID: +- conf_data = +- CFG_PCI_VENDOR_ID(CS5536_OHCI_SUB_ID, CS5536_SUB_VENDOR_ID); ++ cfg = CFG_PCI_VENDOR_ID(CS5536_OHCI_SUB_ID, ++ CS5536_SUB_VENDOR_ID); + break; + case PCI_ROM_ADDRESS: +- conf_data = PCI_EXPANSION_ROM_BAR; ++ cfg = PCI_EXPANSION_ROM_BAR; + break; + case PCI_CAPABILITY_LIST: +- conf_data = PCI_CAPLIST_USB_POINTER; ++ cfg = PCI_CAPLIST_USB_POINTER; + break; + case PCI_INTERRUPT_LINE: +- conf_data = +- CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_USB_INTR); ++ cfg = CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_USB_INTR); + break; + case PCI_OHCI_INT_REG: + _rdmsr(DIVIL_MSR_REG(PIC_YSEL_LOW), &hi, &lo); + if ((lo & 0x00000f00) == CS5536_USB_INTR) +- conf_data = 1; ++ cfg = 1; + break; + default: + break; + } + +- return conf_data; ++ return cfg; + } +diff -Nur linux-2.6.36.orig/arch/mips/loongson/common/mtd.c linux-2.6.36/arch/mips/loongson/common/mtd.c +--- linux-2.6.36.orig/arch/mips/loongson/common/mtd.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.36/arch/mips/loongson/common/mtd.c 2010-12-17 23:12:59.000000000 +0100 +@@ -0,0 +1,91 @@ ++/* ++ * Driver for flushing/dumping ROM of PMON on loongson family machines ++ * ++ * Copyright (C) 2008-2009 Lemote Inc. ++ * Author: Yan Hua <yanh@lemote.com> ++ * ++ * 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/types.h> ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/mtd/mtd.h> ++#include <linux/mtd/map.h> ++#include <linux/mtd/partitions.h> ++ ++#include <asm/io.h> ++ ++#include <loongson.h> ++ ++#define FLASH_PHYS_ADDR LOONGSON_BOOT_BASE ++#define FLASH_SIZE 0x080000 ++ ++#define FLASH_PARTITION0_ADDR 0x00000000 ++#define FLASH_PARTITION0_SIZE 0x00080000 ++ ++struct map_info flash_map = { ++ .name = "flash device", ++ .size = FLASH_SIZE, ++ .bankwidth = 1, ++}; ++ ++struct mtd_partition flash_parts[] = { ++ { ++ .name = "Bootloader", ++ .offset = FLASH_PARTITION0_ADDR, ++ .size = FLASH_PARTITION0_SIZE}, ++}; ++ ++#define PARTITION_COUNT ARRAY_SIZE(flash_parts) ++ ++static struct mtd_info *mymtd; ++ ++int __init init_flash(void) ++{ ++ printk(KERN_NOTICE "flash device: %x at %x\n", ++ FLASH_SIZE, FLASH_PHYS_ADDR); ++ ++ flash_map.phys = FLASH_PHYS_ADDR; ++ flash_map.virt = ioremap(FLASH_PHYS_ADDR, FLASH_SIZE); ++ ++ if (!flash_map.virt) { ++ printk(KERN_NOTICE "Failed to ioremap\n"); ++ return -EIO; ++ } ++ ++ simple_map_init(&flash_map); ++ ++ mymtd = do_map_probe("cfi_probe", &flash_map); ++ if (mymtd) { ++ add_mtd_partitions(mymtd, flash_parts, PARTITION_COUNT); ++ printk(KERN_NOTICE "pmon flash device initialized\n"); ++ return 0; ++ } ++ ++ iounmap((void *)flash_map.virt); ++ return -ENXIO; ++} ++ ++static void __exit cleanup_flash(void) ++{ ++ if (mymtd) { ++ del_mtd_partitions(mymtd); ++ map_destroy(mymtd); ++ } ++ if (flash_map.virt) { ++ iounmap((void *)flash_map.virt); ++ flash_map.virt = 0; ++ } ++} ++ ++module_init(init_flash); ++module_exit(cleanup_flash); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("Yanhua <yanh@lemote.com>"); ++MODULE_DESCRIPTION("MTD driver for pmon flushing/dumping"); +diff -Nur linux-2.6.36.orig/arch/mips/loongson/lemote-2f/Makefile linux-2.6.36/arch/mips/loongson/lemote-2f/Makefile +--- linux-2.6.36.orig/arch/mips/loongson/lemote-2f/Makefile 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/loongson/lemote-2f/Makefile 2010-12-17 23:12:59.000000000 +0100 +@@ -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 reset.o ec_kb3310b.o platform.o + + # + # Suspend Support +diff -Nur linux-2.6.36.orig/arch/mips/loongson/lemote-2f/ec_kb3310b.c linux-2.6.36/arch/mips/loongson/lemote-2f/ec_kb3310b.c +--- linux-2.6.36.orig/arch/mips/loongson/lemote-2f/ec_kb3310b.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/loongson/lemote-2f/ec_kb3310b.c 2010-12-17 23:12:59.000000000 +0100 +@@ -14,7 +14,7 @@ + #include <linux/spinlock.h> + #include <linux/delay.h> + +-#include "ec_kb3310b.h" ++#include <ec_kb3310b.h> + + static DEFINE_SPINLOCK(index_access_lock); + static DEFINE_SPINLOCK(port_access_lock); +@@ -78,12 +78,9 @@ + spin_unlock_irqrestore(&port_access_lock, flags); + + if (timeout <= 0) { +- printk(KERN_ERR "%s: deadable error : timeout...\n", __func__); ++ pr_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; + } +@@ -118,8 +115,7 @@ + udelay(EC_REG_DELAY); + } + if (timeout <= 0) { +- pr_info("%s: get event number timeout.\n", __func__); +- ++ pr_err("%s: get event number timeout.\n", __func__); + return -EINVAL; + } + value = inb(EC_DAT_PORT); +diff -Nur linux-2.6.36.orig/arch/mips/loongson/lemote-2f/ec_kb3310b.h linux-2.6.36/arch/mips/loongson/lemote-2f/ec_kb3310b.h +--- linux-2.6.36.orig/arch/mips/loongson/lemote-2f/ec_kb3310b.h 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/loongson/lemote-2f/ec_kb3310b.h 1970-01-01 01:00:00.000000000 +0100 +@@ -1,188 +0,0 @@ +-/* +- * KB3310B Embedded Controller +- * +- * Copyright (C) 2008 Lemote Inc. +- * Author: liujl <liujl@lemote.com>, 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 -Nur linux-2.6.36.orig/arch/mips/loongson/lemote-2f/platform.c linux-2.6.36/arch/mips/loongson/lemote-2f/platform.c +--- linux-2.6.36.orig/arch/mips/loongson/lemote-2f/platform.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.36/arch/mips/loongson/lemote-2f/platform.c 2010-12-17 23:12:59.000000000 +0100 +@@ -0,0 +1,48 @@ ++/* ++ * Copyright (C) 2009 Lemote Inc. ++ * Author: Wu Zhangjin, wuzhangjin@gmail.com ++ * ++ * 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/err.h> ++#include <linux/platform_device.h> ++ ++#include <asm/bootinfo.h> ++ ++static struct platform_device yeeloong_pdev = { ++ .name = "yeeloong_laptop", ++ .id = -1, ++}; ++ ++static struct platform_device lynloong_pdev = { ++ .name = "lynloong_pc", ++ .id = -1, ++}; ++ ++static int __init lemote2f_platform_init(void) ++{ ++ struct platform_device *pdev = NULL; ++ ++ switch (mips_machtype) { ++ case MACH_LEMOTE_YL2F89: ++ pdev = &yeeloong_pdev; ++ break; ++ case MACH_LEMOTE_LL2F: ++ pdev = &lynloong_pdev; ++ break; ++ default: ++ break; ++ ++ } ++ ++ if (pdev != NULL) ++ return platform_device_register(pdev); ++ ++ return -ENODEV; ++} ++ ++arch_initcall(lemote2f_platform_init); +diff -Nur linux-2.6.36.orig/arch/mips/loongson/lemote-2f/pm.c linux-2.6.36/arch/mips/loongson/lemote-2f/pm.c +--- linux-2.6.36.orig/arch/mips/loongson/lemote-2f/pm.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/loongson/lemote-2f/pm.c 2010-12-17 23:12:59.000000000 +0100 +@@ -23,7 +23,7 @@ + #include <loongson.h> + + #include <cs5536/cs5536_mfgpt.h> +-#include "ec_kb3310b.h" ++#include <ec_kb3310b.h> + + #define I8042_KBD_IRQ 1 + #define I8042_CTR_KBDINT 0x01 +@@ -100,7 +100,7 @@ + if (irq < 0) + return 0; + +- printk(KERN_INFO "%s: irq = %d\n", __func__, irq); ++ pr_info("%s: irq = %d\n", __func__, irq); + + if (irq == I8042_KBD_IRQ) + return 1; +diff -Nur linux-2.6.36.orig/arch/mips/loongson/lemote-2f/reset.c linux-2.6.36/arch/mips/loongson/lemote-2f/reset.c +--- linux-2.6.36.orig/arch/mips/loongson/lemote-2f/reset.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/loongson/lemote-2f/reset.c 2010-12-17 23:12:59.000000000 +0100 +@@ -20,7 +20,7 @@ + #include <loongson.h> + + #include <cs5536/cs5536.h> +-#include "ec_kb3310b.h" ++#include <ec_kb3310b.h> + + static void reset_cpu(void) + { +diff -Nur linux-2.6.36.orig/arch/mips/mm/dma-default.c linux-2.6.36/arch/mips/mm/dma-default.c +--- linux-2.6.36.orig/arch/mips/mm/dma-default.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/arch/mips/mm/dma-default.c 2010-12-17 23:12:59.000000000 +0100 +@@ -380,3 +380,16 @@ + } + + EXPORT_SYMBOL(dma_cache_sync); ++ ++int __weak dma_mmap_coherent(struct device *dev, struct vm_area_struct *vma, ++ void *cpu_addr, dma_addr_t handle, size_t size) ++{ ++ struct page *pg; ++ vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); ++ cpu_addr = (void *)dma_addr_to_virt(dev, handle); ++ pg = virt_to_page(cpu_addr); ++ return remap_pfn_range(vma, vma->vm_start, ++ page_to_pfn(pg) + vma->vm_pgoff, ++ size, vma->vm_page_prot); ++} ++EXPORT_SYMBOL(dma_mmap_coherent); +diff -Nur linux-2.6.36.orig/drivers/ide/ide-iops.c linux-2.6.36/drivers/ide/ide-iops.c +--- linux-2.6.36.orig/drivers/ide/ide-iops.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/drivers/ide/ide-iops.c 2010-12-17 23:12:59.000000000 +0100 +@@ -27,6 +27,8 @@ + #include <asm/uaccess.h> + #include <asm/io.h> + ++#include <asm/bootinfo.h> ++ + void SELECT_MASK(ide_drive_t *drive, int mask) + { + const struct ide_port_ops *port_ops = drive->hwif->port_ops; +@@ -300,6 +302,9 @@ + { + const char **list, *m = (char *)&drive->id[ATA_ID_PROD]; + ++ if (mips_machtype != MACH_LEMOTE_YL2F89) ++ return; ++ + for (list = nien_quirk_list; *list != NULL; list++) + if (strstr(m, *list) != NULL) { + drive->dev_flags |= IDE_DFLAG_NIEN_QUIRK; +diff -Nur linux-2.6.36.orig/drivers/platform/Kconfig linux-2.6.36/drivers/platform/Kconfig +--- linux-2.6.36.orig/drivers/platform/Kconfig 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/drivers/platform/Kconfig 2010-12-17 23:12:59.000000000 +0100 +@@ -1,3 +1,7 @@ + if X86 + source "drivers/platform/x86/Kconfig" + endif ++ ++if MIPS ++source "drivers/platform/mips/Kconfig" ++endif +diff -Nur linux-2.6.36.orig/drivers/platform/Makefile linux-2.6.36/drivers/platform/Makefile +--- linux-2.6.36.orig/drivers/platform/Makefile 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/drivers/platform/Makefile 2010-12-17 23:12:59.000000000 +0100 +@@ -3,3 +3,4 @@ + # + + obj-$(CONFIG_X86) += x86/ ++obj-$(CONFIG_MIPS) += mips/ +diff -Nur linux-2.6.36.orig/drivers/platform/mips/Kconfig linux-2.6.36/drivers/platform/mips/Kconfig +--- linux-2.6.36.orig/drivers/platform/mips/Kconfig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.36/drivers/platform/mips/Kconfig 2010-12-17 23:12:59.000000000 +0100 +@@ -0,0 +1,43 @@ ++# ++# MIPS Platform Specific Drivers ++# ++ ++menuconfig MIPS_PLATFORM_DEVICES ++ bool "MIPS Platform Specific Device Drivers" ++ default y ++ help ++ Say Y here to get to see options for device drivers of various ++ MIPS platforms, including vendor-specific netbook/laptop/pc extension ++ drivers. This option alone does not add any kernel code. ++ ++ If you say N, all options in this submenu will be skipped and disabled. ++ ++if MIPS_PLATFORM_DEVICES ++ ++config LEMOTE_YEELOONG2F ++ tristate "Lemote YeeLoong Laptop" ++ depends on LEMOTE_MACH2F ++ select BACKLIGHT_CLASS_DEVICE ++ select POWER_SUPPLY ++ select HWMON ++ select VIDEO_OUTPUT_CONTROL ++ select INPUT_SPARSEKMAP ++ depends on INPUT ++ help ++ YeeLoong netbook is a mini laptop made by Lemote, which is basically ++ compatible to FuLoong2F mini PC, but it has an extra Embedded ++ Controller(kb3310b) for battery, hotkey, backlight, temperature and ++ fan management. ++ ++config LEMOTE_LYNLOONG2F ++ tristate "Lemote LynLoong PC" ++ depends on LEMOTE_MACH2F ++ select BACKLIGHT_CLASS_DEVICE ++ select VIDEO_OUTPUT_CONTROL ++ help ++ LynLoong PC is an AllINONE machine made by Lemote, which is basically ++ compatible to FuLoong2F Mini PC, the only difference is that it has a ++ size-fixed screen: 1360x768 with sisfb video driver. and also, it has ++ its own specific suspend support. ++ ++endif # MIPS_PLATFORM_DEVICES +diff -Nur linux-2.6.36.orig/drivers/platform/mips/Makefile linux-2.6.36/drivers/platform/mips/Makefile +--- linux-2.6.36.orig/drivers/platform/mips/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.36/drivers/platform/mips/Makefile 2010-12-17 23:12:59.000000000 +0100 +@@ -0,0 +1,7 @@ ++# ++# Makefile for MIPS Platform-Specific Drivers ++# ++ ++obj-$(CONFIG_LEMOTE_YEELOONG2F) += yeeloong_laptop.o ++ ++obj-$(CONFIG_LEMOTE_LYNLOONG2F) += lynloong_pc.o +diff -Nur linux-2.6.36.orig/drivers/platform/mips/lynloong_pc.c linux-2.6.36/drivers/platform/mips/lynloong_pc.c +--- linux-2.6.36.orig/drivers/platform/mips/lynloong_pc.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.36/drivers/platform/mips/lynloong_pc.c 2010-12-17 23:12:59.000000000 +0100 +@@ -0,0 +1,513 @@ ++/* ++ * Driver for LynLoong PC extras ++ * ++ * Copyright (C) 2009 Lemote Inc. ++ * Author: Wu Zhangjin <wuzhangjin@gmail.com>, Xiang Yu <xiangy@lemote.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include <linux/err.h> ++#include <linux/platform_device.h> ++#include <linux/backlight.h> /* for backlight subdriver */ ++#include <linux/fb.h> ++#include <linux/video_output.h> /* for video output subdriver */ ++#include <linux/delay.h> /* for suspend support */ ++ ++#include <cs5536/cs5536.h> ++#include <cs5536/cs5536_mfgpt.h> ++ ++#include <loongson.h> ++ ++static u32 gpio_base, mfgpt_base; ++ ++static void set_gpio_reg_high(int gpio, int reg) ++{ ++ u32 val; ++ ++ val = inl(gpio_base + reg); ++ val |= (1 << gpio); ++ val &= ~(1 << (16 + gpio)); ++ outl(val, gpio_base + reg); ++ mmiowb(); ++} ++ ++static void set_gpio_reg_low(int gpio, int reg) ++{ ++ u32 val; ++ ++ val = inl(gpio_base + reg); ++ val |= (1 << (16 + gpio)); ++ val &= ~(1 << gpio); ++ outl(val, gpio_base + reg); ++ mmiowb(); ++} ++ ++static void set_gpio_output_low(int gpio) ++{ ++ set_gpio_reg_high(gpio, GPIOL_OUT_EN); ++ set_gpio_reg_low(gpio, GPIOL_OUT_VAL); ++} ++ ++static void set_gpio_output_high(int gpio) ++{ ++ set_gpio_reg_high(gpio, GPIOL_OUT_EN); ++ set_gpio_reg_high(gpio, GPIOL_OUT_VAL); ++} ++ ++/* backlight subdriver */ ++ ++#define MAX_BRIGHTNESS 100 ++#define DEFAULT_BRIGHTNESS 50 ++#define MIN_BRIGHTNESS 0 ++static unsigned int level; ++ ++DEFINE_SPINLOCK(backlight_lock); ++/* Tune the brightness */ ++static void setup_mfgpt2(void) ++{ ++ unsigned long flags; ++ ++ spin_lock_irqsave(&backlight_lock, flags); ++ ++ /* Set MFGPT2 comparator 1,2 */ ++ outw(MAX_BRIGHTNESS-level, MFGPT2_CMP1); ++ outw(MAX_BRIGHTNESS, MFGPT2_CMP2); ++ /* Clear MFGPT2 UP COUNTER */ ++ outw(0, MFGPT2_CNT); ++ /* Enable counter, compare mode, 32k */ ++ outw(0x8280, MFGPT2_SETUP); ++ ++ spin_unlock_irqrestore(&backlight_lock, flags); ++} ++ ++static int lynloong_set_brightness(struct backlight_device *bd) ++{ ++ level = (bd->props.fb_blank == FB_BLANK_UNBLANK && ++ bd->props.power == FB_BLANK_UNBLANK) ? ++ bd->props.brightness : 0; ++ ++ if (level > MAX_BRIGHTNESS) ++ level = MAX_BRIGHTNESS; ++ else if (level < MIN_BRIGHTNESS) ++ level = MIN_BRIGHTNESS; ++ ++ setup_mfgpt2(); ++ ++ return 0; ++} ++ ++static int lynloong_get_brightness(struct backlight_device *bd) ++{ ++ return level; ++} ++ ++static struct backlight_ops backlight_ops = { ++ .get_brightness = lynloong_get_brightness, ++ .update_status = lynloong_set_brightness, ++}; ++ ++static struct backlight_device *lynloong_backlight_dev; ++ ++static int lynloong_backlight_init(void) ++{ ++ int ret; ++ u32 hi; ++ struct backlight_properties props; ++ ++ /* Get gpio_base */ ++ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &gpio_base); ++ /* Get mfgpt_base */ ++ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &hi, &mfgpt_base); ++ /* Get gpio_base */ ++ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &gpio_base); ++ ++ /* Select for mfgpt */ ++ set_gpio_reg_high(7, GPIOL_OUT_AUX1_SEL); ++ /* Enable brightness controlling */ ++ set_gpio_output_high(7); ++ ++ memset(&props, 0, sizeof(struct backlight_properties)); ++ props.max_brightness = MAX_BRIGHTNESS; ++ lynloong_backlight_dev = backlight_device_register("backlight0", NULL, ++ NULL, &backlight_ops, &props); ++ ++ if (IS_ERR(lynloong_backlight_dev)) { ++ ret = PTR_ERR(lynloong_backlight_dev); ++ return ret; ++ } ++ ++ lynloong_backlight_dev->props.brightness = DEFAULT_BRIGHTNESS; ++ backlight_update_status(lynloong_backlight_dev); ++ ++ return 0; ++} ++ ++static void lynloong_backlight_exit(void) ++{ ++ if (lynloong_backlight_dev) { ++ backlight_device_unregister(lynloong_backlight_dev); ++ lynloong_backlight_dev = NULL; ++ } ++ /* Disable brightness controlling */ ++ set_gpio_output_low(7); ++} ++ ++/* video output driver */ ++static int vo_status = 1; ++ ++static int lcd_video_output_get(struct output_device *od) ++{ ++ return vo_status; ++} ++ ++static int lcd_video_output_set(struct output_device *od) ++{ ++ int i; ++ unsigned long status; ++ ++ status = !!od->request_state; ++ ++ if (status == 0) { ++ /* Set the current status as off */ ++ vo_status = 0; ++ /* Turn off the backlight */ ++ set_gpio_output_low(11); ++ for (i = 0; i < 0x500; i++) ++ delay(); ++ /* Turn off the LCD */ ++ set_gpio_output_high(8); ++ } else { ++ /* Turn on the LCD */ ++ set_gpio_output_low(8); ++ for (i = 0; i < 0x500; i++) ++ delay(); ++ /* Turn on the backlight */ ++ set_gpio_output_high(11); ++ /* Set the current status as on */ ++ vo_status = 1; ++ } ++ ++ return 0; ++} ++ ++static struct output_properties lcd_output_properties = { ++ .set_state = lcd_video_output_set, ++ .get_status = lcd_video_output_get, ++}; ++ ++static struct output_device *lcd_output_dev; ++ ++static void lynloong_lcd_vo_set(int status) ++{ ++ lcd_output_dev->request_state = status; ++ lcd_video_output_set(lcd_output_dev); ++} ++ ++static int lynloong_vo_init(void) ++{ ++ int ret; ++ ++ /* Register video output device: lcd */ ++ lcd_output_dev = video_output_register("LCD", NULL, NULL, ++ &lcd_output_properties); ++ ++ if (IS_ERR(lcd_output_dev)) { ++ ret = PTR_ERR(lcd_output_dev); ++ lcd_output_dev = NULL; ++ return ret; ++ } ++ /* Ensure LCD is on by default */ ++ lynloong_lcd_vo_set(1); ++ ++ return 0; ++} ++ ++static void lynloong_vo_exit(void) ++{ ++ if (lcd_output_dev) { ++ video_output_unregister(lcd_output_dev); ++ lcd_output_dev = NULL; ++ } ++} ++ ++/* suspend support */ ++ ++#ifdef CONFIG_PM ++ ++static u32 smb_base; ++ ++/* I2C operations */ ++ ++static int i2c_wait(void) ++{ ++ char c; ++ int i; ++ ++ udelay(1000); ++ for (i = 0; i < 20; i++) { ++ c = inb(smb_base | SMB_STS); ++ if (c & (SMB_STS_BER | SMB_STS_NEGACK)) ++ return -1; ++ if (c & SMB_STS_SDAST) ++ return 0; ++ udelay(100); ++ } ++ return -2; ++} ++ ++static void i2c_read_single(int addr, int regNo, char *value) ++{ ++ unsigned char c; ++ ++ /* Start condition */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_START, smb_base | SMB_CTRL1); ++ i2c_wait(); ++ ++ /* Send slave address */ ++ outb(addr & 0xfe, smb_base | SMB_SDA); ++ i2c_wait(); ++ ++ /* Acknowledge smbus */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_ACK, smb_base | SMB_CTRL1); ++ ++ /* Send register index */ ++ outb(regNo, smb_base | SMB_SDA); ++ i2c_wait(); ++ ++ /* Acknowledge smbus */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_ACK, smb_base | SMB_CTRL1); ++ ++ /* Start condition again */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_START, smb_base | SMB_CTRL1); ++ i2c_wait(); ++ ++ /* Send salve address again */ ++ outb(1 | addr, smb_base | SMB_SDA); ++ i2c_wait(); ++ ++ /* Acknowledge smbus */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_ACK, smb_base | SMB_CTRL1); ++ ++ /* Read data */ ++ *value = inb(smb_base | SMB_SDA); ++ ++ /* Stop condition */ ++ outb(SMB_CTRL1_STOP, smb_base | SMB_CTRL1); ++ i2c_wait(); ++} ++ ++static void i2c_write_single(int addr, int regNo, char value) ++{ ++ unsigned char c; ++ ++ /* Start condition */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_START, smb_base | SMB_CTRL1); ++ i2c_wait(); ++ /* Send slave address */ ++ outb(addr & 0xfe, smb_base | SMB_SDA); ++ i2c_wait();; ++ ++ /* Send register index */ ++ outb(regNo, smb_base | SMB_SDA); ++ i2c_wait(); ++ ++ /* Write data */ ++ outb(value, smb_base | SMB_SDA); ++ i2c_wait(); ++ /* Stop condition */ ++ outb(SMB_CTRL1_STOP, smb_base | SMB_CTRL1); ++ i2c_wait(); ++} ++ ++static void stop_clock(int clk_reg, int clk_sel) ++{ ++ u8 value; ++ ++ i2c_read_single(0xd3, clk_reg, &value); ++ value &= ~(1 << clk_sel); ++ i2c_write_single(0xd2, clk_reg, value); ++} ++ ++static void enable_clock(int clk_reg, int clk_sel) ++{ ++ u8 value; ++ ++ i2c_read_single(0xd3, clk_reg, &value); ++ value |= (1 << clk_sel); ++ i2c_write_single(0xd2, clk_reg, value); ++} ++ ++static char cached_clk_freq; ++static char cached_pci_fixed_freq; ++ ++static void decrease_clk_freq(void) ++{ ++ char value; ++ ++ i2c_read_single(0xd3, 1, &value); ++ cached_clk_freq = value; ++ ++ /* Select frequency by software */ ++ value |= (1 << 1); ++ /* CPU, 3V66, PCI : 100, 66, 33(1) */ ++ value |= (1 << 2); ++ i2c_write_single(0xd2, 1, value); ++ ++ /* Cache the pci frequency */ ++ i2c_read_single(0xd3, 14, &value); ++ cached_pci_fixed_freq = value; ++ ++ /* Enable PCI fix mode */ ++ value |= (1 << 5); ++ /* 3V66, PCI : 64MHz, 32MHz */ ++ value |= (1 << 3); ++ i2c_write_single(0xd2, 14, value); ++ ++} ++ ++static void resume_clk_freq(void) ++{ ++ i2c_write_single(0xd2, 1, cached_clk_freq); ++ i2c_write_single(0xd2, 14, cached_pci_fixed_freq); ++} ++ ++static void stop_clocks(void) ++{ ++ /* CPU Clock Register */ ++ stop_clock(2, 5); /* not used */ ++ stop_clock(2, 6); /* not used */ ++ stop_clock(2, 7); /* not used */ ++ ++ /* PCI Clock Register */ ++ stop_clock(3, 1); /* 8100 */ ++ stop_clock(3, 5); /* SIS */ ++ stop_clock(3, 0); /* not used */ ++ stop_clock(3, 6); /* not used */ ++ ++ /* PCI 48M Clock Register */ ++ stop_clock(4, 6); /* USB grounding */ ++ stop_clock(4, 5); /* REF(5536_14M) */ ++ ++ /* 3V66 Control Register */ ++ stop_clock(5, 0); /* VCH_CLK..., grounding */ ++} ++ ++static void enable_clocks(void) ++{ ++ enable_clock(3, 1); /* 8100 */ ++ enable_clock(3, 5); /* SIS */ ++ ++ enable_clock(4, 6); ++ enable_clock(4, 5); /* REF(5536_14M) */ ++ ++ enable_clock(5, 0); /* VCH_CLOCK, grounding */ ++} ++ ++static int lynloong_suspend(struct device *dev) ++{ ++ /* Disable AMP */ ++ set_gpio_output_high(6); ++ /* Turn off LCD */ ++ lynloong_lcd_vo_set(0); ++ ++ /* Stop the clocks of some devices */ ++ stop_clocks(); ++ ++ /* Decrease the external clock frequency */ ++ decrease_clk_freq(); ++ ++ return 0; ++} ++ ++static int lynloong_resume(struct device *dev) ++{ ++ /* Turn on the LCD */ ++ lynloong_lcd_vo_set(1); ++ ++ /* Resume clock frequency, enable the relative clocks */ ++ resume_clk_freq(); ++ enable_clocks(); ++ ++ /* Enable AMP */ ++ set_gpio_output_low(6); ++ ++ return 0; ++} ++ ++static const SIMPLE_DEV_PM_OPS(lynloong_pm_ops, lynloong_suspend, ++ lynloong_resume); ++#endif /* !CONFIG_PM */ ++ ++static struct platform_device_id platform_device_ids[] = { ++ { ++ .name = "lynloong_pc", ++ }, ++ {} ++}; ++ ++MODULE_DEVICE_TABLE(platform, platform_device_ids); ++ ++static struct platform_driver platform_driver = { ++ .driver = { ++ .name = "lynloong_pc", ++ .owner = THIS_MODULE, ++#ifdef CONFIG_PM ++ .pm = &lynloong_pm_ops, ++#endif ++ }, ++ .id_table = platform_device_ids, ++}; ++ ++static int __init lynloong_init(void) ++{ ++ int ret; ++ ++ pr_info("Load LynLoong Platform Specific Driver.\n"); ++ ++ /* Register platform stuff */ ++ ret = platform_driver_register(&platform_driver); ++ if (ret) { ++ pr_err("Fail to register lynloong platform driver.\n"); ++ return ret; ++ } ++ ++ ret = lynloong_backlight_init(); ++ if (ret) { ++ pr_err("Fail to register lynloong backlight driver.\n"); ++ return ret; ++ } ++ ++ ret = lynloong_vo_init(); ++ if (ret) { ++ pr_err("Fail to register lynloong backlight driver.\n"); ++ lynloong_vo_exit(); ++ return ret; ++ } ++ ++ return 0; ++} ++ ++static void __exit lynloong_exit(void) ++{ ++ lynloong_vo_exit(); ++ lynloong_backlight_exit(); ++ platform_driver_unregister(&platform_driver); ++ ++ pr_info("Unload LynLoong Platform Specific Driver.\n"); ++} ++ ++module_init(lynloong_init); ++module_exit(lynloong_exit); ++ ++MODULE_AUTHOR("Wu Zhangjin <wuzhangjin@gmail.com>; Xiang Yu <xiangy@lemote.com>"); ++MODULE_DESCRIPTION("LynLoong PC driver"); ++MODULE_LICENSE("GPL"); +diff -Nur linux-2.6.36.orig/drivers/platform/mips/yeeloong_ecrom.c linux-2.6.36/drivers/platform/mips/yeeloong_ecrom.c +--- linux-2.6.36.orig/drivers/platform/mips/yeeloong_ecrom.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.36/drivers/platform/mips/yeeloong_ecrom.c 2010-12-17 23:12:59.000000000 +0100 +@@ -0,0 +1,943 @@ ++/* ++ * Driver for flushing/dumping ROM of EC on YeeLoong laptop ++ * ++ * Copyright (C) 2009 Lemote Inc. ++ * Author: liujl <liujl@lemote.com> ++ * ++ * NOTE : ++ * The EC resources accessing and programming are supported. ++ */ ++ ++#include <linux/proc_fs.h> ++#include <linux/miscdevice.h> ++#include <linux/init.h> ++#include <linux/delay.h> ++ ++#include <ec_kb3310b.h> ++ ++#define EC_MISC_DEV "ec_misc" ++#define EC_IOC_MAGIC 'E' ++ ++/* ec registers range */ ++#define EC_MAX_REGADDR 0xFFFF ++#define EC_MIN_REGADDR 0xF000 ++#define EC_RAM_ADDR 0xF800 ++ ++/* version burned address */ ++#define VER_ADDR 0xf7a1 ++#define VER_MAX_SIZE 7 ++#define EC_ROM_MAX_SIZE 0x10000 ++ ++/* ec internal register */ ++#define REG_POWER_MODE 0xF710 ++#define FLAG_NORMAL_MODE 0x00 ++#define FLAG_IDLE_MODE 0x01 ++#define FLAG_RESET_MODE 0x02 ++ ++/* ec update program flag */ ++#define PROGRAM_FLAG_NONE 0x00 ++#define PROGRAM_FLAG_IE 0x01 ++#define PROGRAM_FLAG_ROM 0x02 ++ ++/* XBI relative registers */ ++#define REG_XBISEG0 0xFEA0 ++#define REG_XBISEG1 0xFEA1 ++#define REG_XBIRSV2 0xFEA2 ++#define REG_XBIRSV3 0xFEA3 ++#define REG_XBIRSV4 0xFEA4 ++#define REG_XBICFG 0xFEA5 ++#define REG_XBICS 0xFEA6 ++#define REG_XBIWE 0xFEA7 ++#define REG_XBISPIA0 0xFEA8 ++#define REG_XBISPIA1 0xFEA9 ++#define REG_XBISPIA2 0xFEAA ++#define REG_XBISPIDAT 0xFEAB ++#define REG_XBISPICMD 0xFEAC ++#define REG_XBISPICFG 0xFEAD ++#define REG_XBISPIDATR 0xFEAE ++#define REG_XBISPICFG2 0xFEAF ++ ++/* commands definition for REG_XBISPICMD */ ++#define SPICMD_WRITE_STATUS 0x01 ++#define SPICMD_BYTE_PROGRAM 0x02 ++#define SPICMD_READ_BYTE 0x03 ++#define SPICMD_WRITE_DISABLE 0x04 ++#define SPICMD_READ_STATUS 0x05 ++#define SPICMD_WRITE_ENABLE 0x06 ++#define SPICMD_HIGH_SPEED_READ 0x0B ++#define SPICMD_POWER_DOWN 0xB9 ++#define SPICMD_SST_EWSR 0x50 ++#define SPICMD_SST_SEC_ERASE 0x20 ++#define SPICMD_SST_BLK_ERASE 0x52 ++#define SPICMD_SST_CHIP_ERASE 0x60 ++#define SPICMD_FRDO 0x3B ++#define SPICMD_SEC_ERASE 0xD7 ++#define SPICMD_BLK_ERASE 0xD8 ++#define SPICMD_CHIP_ERASE 0xC7 ++ ++/* bits definition for REG_XBISPICFG */ ++#define SPICFG_AUTO_CHECK 0x01 ++#define SPICFG_SPI_BUSY 0x02 ++#define SPICFG_DUMMY_READ 0x04 ++#define SPICFG_EN_SPICMD 0x08 ++#define SPICFG_LOW_SPICS 0x10 ++#define SPICFG_EN_SHORT_READ 0x20 ++#define SPICFG_EN_OFFSET_READ 0x40 ++#define SPICFG_EN_FAST_READ 0x80 ++ ++/* watchdog timer registers */ ++#define REG_WDTCFG 0xfe80 ++#define REG_WDTPF 0xfe81 ++#define REG_WDT 0xfe82 ++ ++/* lpc configure register */ ++#define REG_LPCCFG 0xfe95 ++ ++/* 8051 reg */ ++#define REG_PXCFG 0xff14 ++ ++/* Fan register in KB3310 */ ++#define REG_ECFAN_SPEED_LEVEL 0xf4e4 ++#define REG_ECFAN_SWITCH 0xf4d2 ++ ++/* the ec flash rom id number */ ++#define EC_ROM_PRODUCT_ID_SPANSION 0x01 ++#define EC_ROM_PRODUCT_ID_MXIC 0xC2 ++#define EC_ROM_PRODUCT_ID_AMIC 0x37 ++#define EC_ROM_PRODUCT_ID_EONIC 0x1C ++ ++/* misc ioctl operations */ ++#define IOCTL_RDREG _IOR(EC_IOC_MAGIC, 1, int) ++#define IOCTL_WRREG _IOW(EC_IOC_MAGIC, 2, int) ++#define IOCTL_READ_EC _IOR(EC_IOC_MAGIC, 3, int) ++#define IOCTL_PROGRAM_IE _IOW(EC_IOC_MAGIC, 4, int) ++#define IOCTL_PROGRAM_EC _IOW(EC_IOC_MAGIC, 5, int) ++ ++/* start address for programming of EC content or IE */ ++/* ec running code start address */ ++#define EC_START_ADDR 0x00000000 ++/* ec information element storing address */ ++#define IE_START_ADDR 0x00020000 ++ ++/* EC state */ ++#define EC_STATE_IDLE 0x00 /* ec in idle state */ ++#define EC_STATE_BUSY 0x01 /* ec in busy state */ ++ ++/* timeout value for programming */ ++#define EC_FLASH_TIMEOUT 0x1000 /* ec program timeout */ ++/* command checkout timeout including cmd to port or state flag check */ ++#define EC_CMD_TIMEOUT 0x1000 ++#define EC_SPICMD_STANDARD_TIMEOUT (4 * 1000) /* unit : us */ ++#define EC_MAX_DELAY_UNIT (10) /* every time for polling */ ++#define SPI_FINISH_WAIT_TIME 10 ++/* EC content max size */ ++#define EC_CONTENT_MAX_SIZE (64 * 1024) ++#define IE_CONTENT_MAX_SIZE (0x100000 - IE_START_ADDR) ++ ++/* the register operation access struct */ ++struct ec_reg { ++ u32 addr; /* the address of kb3310 registers */ ++ u8 val; /* the register value */ ++}; ++ ++struct ec_info { ++ u32 start_addr; ++ u32 size; ++ u8 *buf; ++}; ++ ++/* open for using rom protection action */ ++#define EC_ROM_PROTECTION ++ ++/* enable the chip reset mode */ ++static int ec_init_reset_mode(void) ++{ ++ int timeout; ++ unsigned char status = 0; ++ int ret = 0; ++ ++ /* make chip goto reset mode */ ++ ret = ec_query_seq(CMD_INIT_RESET_MODE); ++ if (ret < 0) { ++ printk(KERN_ERR "ec init reset mode failed.\n"); ++ goto out; ++ } ++ ++ /* make the action take active */ ++ timeout = EC_CMD_TIMEOUT; ++ status = ec_read(REG_POWER_MODE) & FLAG_RESET_MODE; ++ while (timeout--) { ++ if (status) { ++ udelay(EC_REG_DELAY); ++ break; ++ } ++ status = ec_read(REG_POWER_MODE) & FLAG_RESET_MODE; ++ udelay(EC_REG_DELAY); ++ } ++ if (timeout <= 0) { ++ printk(KERN_ERR "ec rom fixup : can't check reset status.\n"); ++ ret = -EINVAL; ++ } else ++ printk(KERN_INFO "(%d/%d)reset 0xf710 : 0x%x\n", timeout, ++ EC_CMD_TIMEOUT - timeout, status); ++ ++ /* set MCU to reset mode */ ++ udelay(EC_REG_DELAY); ++ status = ec_read(REG_PXCFG); ++ status |= (1 << 0); ++ ec_write(REG_PXCFG, status); ++ udelay(EC_REG_DELAY); ++ ++ /* disable FWH/LPC */ ++ udelay(EC_REG_DELAY); ++ status = ec_read(REG_LPCCFG); ++ status &= ~(1 << 7); ++ ec_write(REG_LPCCFG, status); ++ udelay(EC_REG_DELAY); ++ ++ printk(KERN_INFO "entering reset mode ok..............\n"); ++ ++ out: ++ return ret; ++} ++ ++/* make ec exit from reset mode */ ++static void ec_exit_reset_mode(void) ++{ ++ unsigned char regval; ++ ++ udelay(EC_REG_DELAY); ++ regval = ec_read(REG_LPCCFG); ++ regval |= (1 << 7); ++ ec_write(REG_LPCCFG, regval); ++ regval = ec_read(REG_PXCFG); ++ regval &= ~(1 << 0); ++ ec_write(REG_PXCFG, regval); ++ printk(KERN_INFO "exit reset mode ok..................\n"); ++ ++ return; ++} ++ ++/* make ec disable WDD */ ++static void ec_disable_WDD(void) ++{ ++ unsigned char status; ++ ++ udelay(EC_REG_DELAY); ++ status = ec_read(REG_WDTCFG); ++ ec_write(REG_WDTPF, 0x03); ++ ec_write(REG_WDTCFG, (status & 0x80) | 0x48); ++ printk(KERN_INFO "Disable WDD ok..................\n"); ++ ++ return; ++} ++ ++/* make ec enable WDD */ ++static void ec_enable_WDD(void) ++{ ++ unsigned char status; ++ ++ udelay(EC_REG_DELAY); ++ status = ec_read(REG_WDTCFG); ++ ec_write(REG_WDT, 0x28); /* set WDT 5sec(0x28) */ ++ ec_write(REG_WDTCFG, (status & 0x80) | 0x03); ++ printk(KERN_INFO "Enable WDD ok..................\n"); ++ ++ return; ++} ++ ++/* make ec goto idle mode */ ++static int ec_init_idle_mode(void) ++{ ++ int timeout; ++ unsigned char status = 0; ++ int ret = 0; ++ ++ ec_query_seq(CMD_INIT_IDLE_MODE); ++ ++ /* make the action take active */ ++ timeout = EC_CMD_TIMEOUT; ++ status = ec_read(REG_POWER_MODE) & FLAG_IDLE_MODE; ++ while (timeout--) { ++ if (status) { ++ udelay(EC_REG_DELAY); ++ break; ++ } ++ status = ec_read(REG_POWER_MODE) & FLAG_IDLE_MODE; ++ udelay(EC_REG_DELAY); ++ } ++ if (timeout <= 0) { ++ printk(KERN_ERR "ec rom fixup : can't check out the status.\n"); ++ ret = -EINVAL; ++ } else ++ printk(KERN_INFO "(%d/%d)0xf710 : 0x%x\n", timeout, ++ EC_CMD_TIMEOUT - timeout, ec_read(REG_POWER_MODE)); ++ ++ printk(KERN_INFO "entering idle mode ok...................\n"); ++ ++ return ret; ++} ++ ++/* make ec exit from idle mode */ ++static int ec_exit_idle_mode(void) ++{ ++ ++ ec_query_seq(CMD_EXIT_IDLE_MODE); ++ ++ printk(KERN_INFO "exit idle mode ok...................\n"); ++ ++ return 0; ++} ++ ++static int ec_instruction_cycle(void) ++{ ++ unsigned long timeout; ++ int ret = 0; ++ ++ timeout = EC_FLASH_TIMEOUT; ++ while (timeout-- >= 0) { ++ if (!(ec_read(REG_XBISPICFG) & SPICFG_SPI_BUSY)) ++ break; ++ } ++ if (timeout <= 0) { ++ printk(KERN_ERR ++ "EC_INSTRUCTION_CYCLE : timeout for check flag.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ out: ++ return ret; ++} ++ ++/* To see if the ec is in busy state or not. */ ++static inline int ec_flash_busy(unsigned long timeout) ++{ ++ /* assurance the first command be going to rom */ ++ if (ec_instruction_cycle() < 0) ++ return EC_STATE_BUSY; ++#if 1 ++ timeout = timeout / EC_MAX_DELAY_UNIT; ++ while (timeout-- > 0) { ++ /* check the rom's status of busy flag */ ++ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); ++ if (ec_instruction_cycle() < 0) ++ return EC_STATE_BUSY; ++ if ((ec_read(REG_XBISPIDAT) & 0x01) == 0x00) ++ return EC_STATE_IDLE; ++ udelay(EC_MAX_DELAY_UNIT); ++ } ++ if (timeout <= 0) { ++ printk(KERN_ERR ++ "EC_FLASH_BUSY : timeout for check rom flag.\n"); ++ return EC_STATE_BUSY; ++ } ++#else ++ /* check the rom's status of busy flag */ ++ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); ++ if (ec_instruction_cycle() < 0) ++ return EC_STATE_BUSY; ++ ++ timeout = timeout / EC_MAX_DELAY_UNIT; ++ while (timeout-- > 0) { ++ if ((ec_read(REG_XBISPIDAT) & 0x01) == 0x00) ++ return EC_STATE_IDLE; ++ udelay(EC_MAX_DELAY_UNIT); ++ } ++ if (timeout <= 0) { ++ printk(KERN_ERR ++ "EC_FLASH_BUSY : timeout for check rom flag.\n"); ++ return EC_STATE_BUSY; ++ } ++#endif ++ ++ return EC_STATE_IDLE; ++} ++ ++static int rom_instruction_cycle(unsigned char cmd) ++{ ++ unsigned long timeout = 0; ++ ++ switch (cmd) { ++ case SPICMD_READ_STATUS: ++ case SPICMD_WRITE_ENABLE: ++ case SPICMD_WRITE_DISABLE: ++ case SPICMD_READ_BYTE: ++ case SPICMD_HIGH_SPEED_READ: ++ timeout = 0; ++ break; ++ case SPICMD_WRITE_STATUS: ++ timeout = 300 * 1000; ++ break; ++ case SPICMD_BYTE_PROGRAM: ++ timeout = 5 * 1000; ++ break; ++ case SPICMD_SST_SEC_ERASE: ++ case SPICMD_SEC_ERASE: ++ timeout = 1000 * 1000; ++ break; ++ case SPICMD_SST_BLK_ERASE: ++ case SPICMD_BLK_ERASE: ++ timeout = 3 * 1000 * 1000; ++ break; ++ case SPICMD_SST_CHIP_ERASE: ++ case SPICMD_CHIP_ERASE: ++ timeout = 20 * 1000 * 1000; ++ break; ++ default: ++ timeout = EC_SPICMD_STANDARD_TIMEOUT; ++ } ++ if (timeout == 0) ++ return ec_instruction_cycle(); ++ if (timeout < EC_SPICMD_STANDARD_TIMEOUT) ++ timeout = EC_SPICMD_STANDARD_TIMEOUT; ++ ++ return ec_flash_busy(timeout); ++} ++ ++/* delay for start/stop action */ ++static void delay_spi(int n) ++{ ++ while (n--) ++ inb(EC_IO_PORT_HIGH); ++} ++ ++/* start the action to spi rom function */ ++static void ec_start_spi(void) ++{ ++ unsigned char val; ++ ++ delay_spi(SPI_FINISH_WAIT_TIME); ++ val = ec_read(REG_XBISPICFG) | SPICFG_EN_SPICMD | SPICFG_AUTO_CHECK; ++ ec_write(REG_XBISPICFG, val); ++ delay_spi(SPI_FINISH_WAIT_TIME); ++} ++ ++/* stop the action to spi rom function */ ++static void ec_stop_spi(void) ++{ ++ unsigned char val; ++ ++ delay_spi(SPI_FINISH_WAIT_TIME); ++ val = ++ ec_read(REG_XBISPICFG) & (~(SPICFG_EN_SPICMD | SPICFG_AUTO_CHECK)); ++ ec_write(REG_XBISPICFG, val); ++ delay_spi(SPI_FINISH_WAIT_TIME); ++} ++ ++/* read one byte from xbi interface */ ++static int ec_read_byte(unsigned int addr, unsigned char *byte) ++{ ++ int ret = 0; ++ ++ /* enable spicmd writing. */ ++ ec_start_spi(); ++ ++ /* enable write spi flash */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR "EC_READ_BYTE : SPICMD_WRITE_ENABLE failed.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ /* write the address */ ++ ec_write(REG_XBISPIA2, (addr & 0xff0000) >> 16); ++ ec_write(REG_XBISPIA1, (addr & 0x00ff00) >> 8); ++ ec_write(REG_XBISPIA0, (addr & 0x0000ff) >> 0); ++ /* start action */ ++ ec_write(REG_XBISPICMD, SPICMD_HIGH_SPEED_READ); ++ if (rom_instruction_cycle(SPICMD_HIGH_SPEED_READ) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_READ_BYTE : SPICMD_HIGH_SPEED_READ failed.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ *byte = ec_read(REG_XBISPIDAT); ++ ++ out: ++ /* disable spicmd writing. */ ++ ec_stop_spi(); ++ ++ return ret; ++} ++ ++/* write one byte to ec rom */ ++static int ec_write_byte(unsigned int addr, unsigned char byte) ++{ ++ int ret = 0; ++ ++ /* enable spicmd writing. */ ++ ec_start_spi(); ++ ++ /* enable write spi flash */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_WRITE_BYTE : SPICMD_WRITE_ENABLE failed.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ /* write the address */ ++ ec_write(REG_XBISPIA2, (addr & 0xff0000) >> 16); ++ ec_write(REG_XBISPIA1, (addr & 0x00ff00) >> 8); ++ ec_write(REG_XBISPIA0, (addr & 0x0000ff) >> 0); ++ ec_write(REG_XBISPIDAT, byte); ++ /* start action */ ++ ec_write(REG_XBISPICMD, SPICMD_BYTE_PROGRAM); ++ if (rom_instruction_cycle(SPICMD_BYTE_PROGRAM) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_WRITE_BYTE : SPICMD_BYTE_PROGRAM failed.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ out: ++ /* disable spicmd writing. */ ++ ec_stop_spi(); ++ ++ return ret; ++} ++ ++/* unprotect SPI ROM */ ++/* EC_ROM_unprotect function code */ ++static int EC_ROM_unprotect(void) ++{ ++ unsigned char status; ++ ++ /* enable write spi flash */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_UNIT_ERASE : SPICMD_WRITE_ENABLE failed.\n"); ++ return 1; ++ } ++ ++ /* unprotect the status register of rom */ ++ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); ++ if (rom_instruction_cycle(SPICMD_READ_STATUS) == EC_STATE_BUSY) { ++ printk(KERN_ERR "EC_UNIT_ERASE : SPICMD_READ_STATUS failed.\n"); ++ return 1; ++ } ++ status = ec_read(REG_XBISPIDAT); ++ ec_write(REG_XBISPIDAT, status & 0x02); ++ if (ec_instruction_cycle() < 0) { ++ printk(KERN_ERR "EC_UNIT_ERASE : write status value failed.\n"); ++ return 1; ++ } ++ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_STATUS); ++ if (rom_instruction_cycle(SPICMD_WRITE_STATUS) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_UNIT_ERASE : SPICMD_WRITE_STATUS failed.\n"); ++ return 1; ++ } ++ ++ /* enable write spi flash */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_UNIT_ERASE : SPICMD_WRITE_ENABLE failed.\n"); ++ return 1; ++ } ++ ++ return 0; ++} ++ ++/* erase one block or chip or sector as needed */ ++static int ec_unit_erase(unsigned char erase_cmd, unsigned int addr) ++{ ++ unsigned char status; ++ int ret = 0, i = 0; ++ int unprotect_count = 3; ++ int check_flag = 0; ++ ++ /* enable spicmd writing. */ ++ ec_start_spi(); ++ ++#ifdef EC_ROM_PROTECTION ++ /* added for re-check SPICMD_READ_STATUS */ ++ while (unprotect_count-- > 0) { ++ if (EC_ROM_unprotect()) { ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ /* first time:500ms --> 5.5sec -->10.5sec */ ++ for (i = 0; i < ((2 - unprotect_count) * 100 + 10); i++) ++ udelay(50000); ++ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); ++ if (rom_instruction_cycle(SPICMD_READ_STATUS) ++ == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : SPICMD_READ_STATUS failed.\n"); ++ } else { ++ status = ec_read(REG_XBISPIDAT); ++ printk(KERN_INFO "Read unprotect status : 0x%x\n", ++ status); ++ if ((status & 0x1C) == 0x00) { ++ printk(KERN_INFO ++ "Read unprotect status OK1 : 0x%x\n", ++ status & 0x1C); ++ check_flag = 1; ++ break; ++ } ++ } ++ } ++ ++ if (!check_flag) { ++ printk(KERN_INFO "SPI ROM unprotect fail.\n"); ++ return 1; ++ } ++#endif ++ ++ /* block address fill */ ++ if (erase_cmd == SPICMD_BLK_ERASE) { ++ ec_write(REG_XBISPIA2, (addr & 0x00ff0000) >> 16); ++ ec_write(REG_XBISPIA1, (addr & 0x0000ff00) >> 8); ++ ec_write(REG_XBISPIA0, (addr & 0x000000ff) >> 0); ++ } ++ ++ /* erase the whole chip first */ ++ ec_write(REG_XBISPICMD, erase_cmd); ++ if (rom_instruction_cycle(erase_cmd) == EC_STATE_BUSY) { ++ printk(KERN_ERR "EC_UNIT_ERASE : erase failed.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ out: ++ /* disable spicmd writing. */ ++ ec_stop_spi(); ++ ++ return ret; ++} ++ ++/* update the whole rom content with H/W mode ++ * PLEASE USING ec_unit_erase() FIRSTLY ++ */ ++static int ec_program_rom(struct ec_info *info, int flag) ++{ ++ unsigned int addr = 0; ++ unsigned long size = 0; ++ unsigned char *ptr = NULL; ++ unsigned char data; ++ unsigned char val = 0; ++ int ret = 0; ++ int i, j; ++ unsigned char status; ++ ++ /* modify for program serial No. ++ * set IE_START_ADDR & use idle mode, ++ * disable WDD ++ */ ++ if (flag == PROGRAM_FLAG_ROM) { ++ ret = ec_init_reset_mode(); ++ addr = info->start_addr + EC_START_ADDR; ++ printk(KERN_INFO "PROGRAM_FLAG_ROM..............\n"); ++ } else if (flag == PROGRAM_FLAG_IE) { ++ ret = ec_init_idle_mode(); ++ ec_disable_WDD(); ++ addr = info->start_addr + IE_START_ADDR; ++ printk(KERN_INFO "PROGRAM_FLAG_IE..............\n"); ++ } else { ++ return 0; ++ } ++ ++ if (ret < 0) { ++ if (flag == PROGRAM_FLAG_IE) ++ ec_enable_WDD(); ++ return ret; ++ } ++ ++ size = info->size; ++ ptr = info->buf; ++ printk(KERN_INFO "starting update ec ROM..............\n"); ++ ++ ret = ec_unit_erase(SPICMD_BLK_ERASE, addr); ++ if (ret) { ++ printk(KERN_ERR "program ec : erase block failed.\n"); ++ goto out; ++ } ++ printk(KERN_ERR "program ec : erase block OK.\n"); ++ ++ i = 0; ++ while (i < size) { ++ data = *(ptr + i); ++ ec_write_byte(addr, data); ++ ec_read_byte(addr, &val); ++ if (val != data) { ++ ec_write_byte(addr, data); ++ ec_read_byte(addr, &val); ++ if (val != data) { ++ printk(KERN_INFO ++ "EC : Second flash program failed at:\t"); ++ printk(KERN_INFO ++ "addr : 0x%x, source : 0x%x, dest: 0x%x\n", ++ addr, data, val); ++ printk(KERN_INFO "This should not happen... STOP\n"); ++ break; ++ } ++ } ++ i++; ++ addr++; ++ } ++ ++#ifdef EC_ROM_PROTECTION ++ /* we should start spi access firstly */ ++ ec_start_spi(); ++ ++ /* enable write spi flash */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : SPICMD_WRITE_ENABLE failed.\n"); ++ goto out1; ++ } ++ ++ /* protect the status register of rom */ ++ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); ++ if (rom_instruction_cycle(SPICMD_READ_STATUS) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : SPICMD_READ_STATUS failed.\n"); ++ goto out1; ++ } ++ status = ec_read(REG_XBISPIDAT); ++ ++ ec_write(REG_XBISPIDAT, status | 0x1C); ++ if (ec_instruction_cycle() < 0) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : write status value failed.\n"); ++ goto out1; ++ } ++ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_STATUS); ++ if (rom_instruction_cycle(SPICMD_WRITE_STATUS) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : SPICMD_WRITE_STATUS failed.\n"); ++ goto out1; ++ } ++#endif ++ ++ /* disable the write action to spi rom */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_DISABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_DISABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : SPICMD_WRITE_DISABLE failed.\n"); ++ goto out1; ++ } ++ ++ out1: ++ /* we should stop spi access firstly */ ++ ec_stop_spi(); ++ out: ++ /* for security */ ++ for (j = 0; j < 2000; j++) ++ udelay(1000); ++ ++ /* modify for program serial No. ++ * after program No exit idle mode ++ * and enable WDD ++ */ ++ if (flag == PROGRAM_FLAG_ROM) { ++ /* exit from the reset mode */ ++ ec_exit_reset_mode(); ++ } else { ++ /* ec exit from idle mode */ ++ ret = ec_exit_idle_mode(); ++ ec_enable_WDD(); ++ if (ret < 0) ++ return ret; ++ } ++ ++ return 0; ++} ++ ++/* ioctl */ ++static int misc_ioctl(struct inode *inode, struct file *filp, u_int cmd, ++ u_long arg) ++{ ++ struct ec_info ecinfo; ++ void __user *ptr = (void __user *)arg; ++ struct ec_reg *ecreg = (struct ec_reg *)(filp->private_data); ++ int ret = 0; ++ ++ switch (cmd) { ++ case IOCTL_RDREG: ++ ret = copy_from_user(ecreg, ptr, sizeof(struct ec_reg)); ++ if (ret) { ++ printk(KERN_ERR "reg read : copy from user error.\n"); ++ return -EFAULT; ++ } ++ if ((ecreg->addr > EC_MAX_REGADDR) ++ || (ecreg->addr < EC_MIN_REGADDR)) { ++ printk(KERN_ERR ++ "reg read : out of register address range.\n"); ++ return -EINVAL; ++ } ++ ecreg->val = ec_read(ecreg->addr); ++ ret = copy_to_user(ptr, ecreg, sizeof(struct ec_reg)); ++ if (ret) { ++ printk(KERN_ERR "reg read : copy to user error.\n"); ++ return -EFAULT; ++ } ++ break; ++ case IOCTL_WRREG: ++ ret = copy_from_user(ecreg, ptr, sizeof(struct ec_reg)); ++ if (ret) { ++ printk(KERN_ERR "reg write : copy from user error.\n"); ++ return -EFAULT; ++ } ++ if ((ecreg->addr > EC_MAX_REGADDR) ++ || (ecreg->addr < EC_MIN_REGADDR)) { ++ printk(KERN_ERR ++ "reg write : out of register address range.\n"); ++ return -EINVAL; ++ } ++ ec_write(ecreg->addr, ecreg->val); ++ break; ++ case IOCTL_READ_EC: ++ ret = copy_from_user(ecreg, ptr, sizeof(struct ec_reg)); ++ if (ret) { ++ printk(KERN_ERR "spi read : copy from user error.\n"); ++ return -EFAULT; ++ } ++ if ((ecreg->addr > EC_RAM_ADDR) ++ && (ecreg->addr < EC_MAX_REGADDR)) { ++ printk(KERN_ERR ++ "spi read : out of register address range.\n"); ++ return -EINVAL; ++ } ++ ec_read_byte(ecreg->addr, &(ecreg->val)); ++ ret = copy_to_user(ptr, ecreg, sizeof(struct ec_reg)); ++ if (ret) { ++ printk(KERN_ERR "spi read : copy to user error.\n"); ++ return -EFAULT; ++ } ++ break; ++ case IOCTL_PROGRAM_IE: ++ ecinfo.start_addr = EC_START_ADDR; ++ ecinfo.size = EC_CONTENT_MAX_SIZE; ++ ecinfo.buf = (u8 *) kmalloc(ecinfo.size, GFP_KERNEL); ++ if (ecinfo.buf == NULL) { ++ printk(KERN_ERR "program ie : kmalloc failed.\n"); ++ return -ENOMEM; ++ } ++ ret = copy_from_user(ecinfo.buf, (u8 *) ptr, ecinfo.size); ++ if (ret) { ++ printk(KERN_ERR "program ie : copy from user error.\n"); ++ kfree(ecinfo.buf); ++ ecinfo.buf = NULL; ++ return -EFAULT; ++ } ++ ++ /* use ec_program_rom to write serial No */ ++ ec_program_rom(&ecinfo, PROGRAM_FLAG_IE); ++ ++ kfree(ecinfo.buf); ++ ecinfo.buf = NULL; ++ break; ++ case IOCTL_PROGRAM_EC: ++ ecinfo.start_addr = EC_START_ADDR; ++ if (get_user((ecinfo.size), (u32 *) ptr)) { ++ printk(KERN_ERR "program ec : get user error.\n"); ++ return -EFAULT; ++ } ++ if ((ecinfo.size) > EC_CONTENT_MAX_SIZE) { ++ printk(KERN_ERR "program ec : size out of limited.\n"); ++ return -EINVAL; ++ } ++ ecinfo.buf = (u8 *) kmalloc(ecinfo.size, GFP_KERNEL); ++ if (ecinfo.buf == NULL) { ++ printk(KERN_ERR "program ec : kmalloc failed.\n"); ++ return -ENOMEM; ++ } ++ ret = copy_from_user(ecinfo.buf, ((u8 *) ptr + 4), ecinfo.size); ++ if (ret) { ++ printk(KERN_ERR "program ec : copy from user error.\n"); ++ kfree(ecinfo.buf); ++ ecinfo.buf = NULL; ++ return -EFAULT; ++ } ++ ++ ec_program_rom(&ecinfo, PROGRAM_FLAG_ROM); ++ ++ kfree(ecinfo.buf); ++ ecinfo.buf = NULL; ++ break; ++ ++ default: ++ break; ++ } ++ ++ return 0; ++} ++ ++static long misc_compat_ioctl(struct file *file, unsigned int cmd, ++ unsigned long arg) ++{ ++ return misc_ioctl(file->f_dentry->d_inode, file, cmd, arg); ++} ++ ++static int misc_open(struct inode *inode, struct file *filp) ++{ ++ struct ec_reg *ecreg = NULL; ++ ecreg = kmalloc(sizeof(struct ec_reg), GFP_KERNEL); ++ if (ecreg) ++ filp->private_data = ecreg; ++ ++ return ecreg ? 0 : -ENOMEM; ++} ++ ++static int misc_release(struct inode *inode, struct file *filp) ++{ ++ struct ec_reg *ecreg = (struct ec_reg *)(filp->private_data); ++ ++ filp->private_data = NULL; ++ kfree(ecreg); ++ ++ return 0; ++} ++ ++static const struct file_operations ecmisc_fops = { ++ .open = misc_open, ++ .release = misc_release, ++ .read = NULL, ++ .write = NULL, ++#ifdef CONFIG_64BIT ++ .compat_ioctl = misc_compat_ioctl, ++#else ++ .ioctl = misc_ioctl, ++#endif ++}; ++ ++static struct miscdevice ecmisc_device = { ++ .minor = MISC_DYNAMIC_MINOR, ++ .name = EC_MISC_DEV, ++ .fops = &ecmisc_fops ++}; ++ ++static int __init ecmisc_init(void) ++{ ++ int ret; ++ ++ printk(KERN_INFO "EC misc device init.\n"); ++ ret = misc_register(&ecmisc_device); ++ ++ return ret; ++} ++ ++static void __exit ecmisc_exit(void) ++{ ++ printk(KERN_INFO "EC misc device exit.\n"); ++ misc_deregister(&ecmisc_device); ++} ++ ++module_init(ecmisc_init); ++module_exit(ecmisc_exit); ++ ++MODULE_AUTHOR("liujl <liujl@lemote.com>"); ++MODULE_DESCRIPTION("Driver for flushing/dumping ROM of EC on YeeLoong laptop"); ++MODULE_LICENSE("GPL"); +diff -Nur linux-2.6.36.orig/drivers/platform/mips/yeeloong_laptop.c linux-2.6.36/drivers/platform/mips/yeeloong_laptop.c +--- linux-2.6.36.orig/drivers/platform/mips/yeeloong_laptop.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.36/drivers/platform/mips/yeeloong_laptop.c 2010-12-17 23:12:59.000000000 +0100 +@@ -0,0 +1,1200 @@ ++/* ++ * Driver for YeeLoong laptop extras ++ * ++ * Copyright (C) 2009 Lemote Inc. ++ * Author: Wu Zhangjin <wuzhangjin@gmail.com>, Liu Junliang <liujl@lemote.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include <linux/err.h> ++#include <linux/platform_device.h> ++#include <linux/backlight.h> /* for backlight subdriver */ ++#include <linux/fb.h> ++#include <linux/hwmon.h> /* for hwmon subdriver */ ++#include <linux/hwmon-sysfs.h> ++#include <linux/video_output.h> /* for video output subdriver */ ++#include <linux/input.h> /* for hotkey subdriver */ ++#include <linux/input/sparse-keymap.h> ++#include <linux/interrupt.h> ++#include <linux/delay.h> ++#include <linux/power_supply.h> /* for AC & Battery subdriver */ ++ ++#include <cs5536/cs5536.h> ++ ++#include <loongson.h> /* for loongson_cmdline */ ++#include <ec_kb3310b.h> ++ ++/* common function */ ++#define EC_VER_LEN 64 ++ ++static int ec_version_before(char *version) ++{ ++ char *p, ec_ver[EC_VER_LEN]; ++ ++ p = strstr(loongson_cmdline, "EC_VER="); ++ if (!p) ++ memset(ec_ver, 0, EC_VER_LEN); ++ else { ++ strncpy(ec_ver, p, EC_VER_LEN); ++ p = strstr(ec_ver, " "); ++ if (p) ++ *p = '\0'; ++ } ++ ++ return (strncasecmp(ec_ver, version, 64) < 0); ++} ++ ++/* backlight subdriver */ ++#define MAX_BRIGHTNESS 8 ++ ++static int yeeloong_set_brightness(struct backlight_device *bd) ++{ ++ unsigned int level, current_level; ++ static unsigned int old_level; ++ ++ level = (bd->props.fb_blank == FB_BLANK_UNBLANK && ++ bd->props.power == FB_BLANK_UNBLANK) ? ++ bd->props.brightness : 0; ++ ++ level = SENSORS_LIMIT(level, 0, MAX_BRIGHTNESS); ++ ++ /* Avoid to modify the brightness when EC is tuning it */ ++ if (old_level != level) { ++ current_level = ec_read(REG_DISPLAY_BRIGHTNESS); ++ if (old_level == current_level) ++ ec_write(REG_DISPLAY_BRIGHTNESS, level); ++ old_level = level; ++ } ++ ++ return 0; ++} ++ ++static int yeeloong_get_brightness(struct backlight_device *bd) ++{ ++ return ec_read(REG_DISPLAY_BRIGHTNESS); ++} ++ ++static struct backlight_ops backlight_ops = { ++ .get_brightness = yeeloong_get_brightness, ++ .update_status = yeeloong_set_brightness, ++}; ++ ++static struct backlight_device *yeeloong_backlight_dev; ++ ++static int yeeloong_backlight_init(void) ++{ ++ int ret; ++ struct backlight_properties props; ++ ++ memset(&props, 0, sizeof(struct backlight_properties)); ++ props.max_brightness = MAX_BRIGHTNESS; ++ yeeloong_backlight_dev = backlight_device_register("backlight0", NULL, ++ NULL, &backlight_ops, &props); ++ ++ if (IS_ERR(yeeloong_backlight_dev)) { ++ ret = PTR_ERR(yeeloong_backlight_dev); ++ yeeloong_backlight_dev = NULL; ++ return ret; ++ } ++ ++ yeeloong_backlight_dev->props.brightness = ++ yeeloong_get_brightness(yeeloong_backlight_dev); ++ backlight_update_status(yeeloong_backlight_dev); ++ ++ return 0; ++} ++ ++static void yeeloong_backlight_exit(void) ++{ ++ if (yeeloong_backlight_dev) { ++ backlight_device_unregister(yeeloong_backlight_dev); ++ yeeloong_backlight_dev = NULL; ++ } ++} ++ ++/* AC & Battery subdriver */ ++ ++static struct power_supply yeeloong_ac, yeeloong_bat; ++ ++#define AC_OFFLINE 0 ++#define AC_ONLINE 1 ++ ++static int yeeloong_get_ac_props(struct power_supply *psy, ++ enum power_supply_property psp, ++ union power_supply_propval *val) ++{ ++ switch (psp) { ++ case POWER_SUPPLY_PROP_ONLINE: ++ val->intval = ((ec_read(REG_BAT_POWER)) & BIT_BAT_POWER_ACIN) ? ++ AC_ONLINE : AC_OFFLINE; ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ return 0; ++} ++ ++static enum power_supply_property yeeloong_ac_props[] = { ++ POWER_SUPPLY_PROP_ONLINE, ++}; ++ ++static struct power_supply yeeloong_ac = { ++ .name = "yeeloong-ac", ++ .type = POWER_SUPPLY_TYPE_MAINS, ++ .properties = yeeloong_ac_props, ++ .num_properties = ARRAY_SIZE(yeeloong_ac_props), ++ .get_property = yeeloong_get_ac_props, ++}; ++ ++#define BAT_CAP_CRITICAL 5 ++#define BAT_CAP_HIGH 99 ++ ++#define get_bat_info(type) \ ++ ((ec_read(REG_BAT_##type##_HIGH) << 8) | \ ++ (ec_read(REG_BAT_##type##_LOW))) ++ ++static int yeeloong_bat_get_ex_property(enum power_supply_property psp, ++ union power_supply_propval *val) ++{ ++ int bat_in, curr_cap, cap_level, status, charge, health; ++ ++ status = ec_read(REG_BAT_STATUS); ++ bat_in = status & BIT_BAT_STATUS_IN; ++ curr_cap = get_bat_info(RELATIVE_CAP); ++ if (status & BIT_BAT_STATUS_FULL) ++ curr_cap = 100; ++ ++ switch (psp) { ++ case POWER_SUPPLY_PROP_PRESENT: ++ val->intval = bat_in; ++ break; ++ case POWER_SUPPLY_PROP_CAPACITY: ++ val->intval = curr_cap; ++ break; ++ case POWER_SUPPLY_PROP_CAPACITY_LEVEL: ++ cap_level = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; ++ if (status & BIT_BAT_STATUS_LOW) { ++ cap_level = POWER_SUPPLY_CAPACITY_LEVEL_LOW; ++ if (curr_cap <= BAT_CAP_CRITICAL) ++ cap_level = ++ POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; ++ } else if (status & BIT_BAT_STATUS_FULL) { ++ cap_level = POWER_SUPPLY_CAPACITY_LEVEL_FULL; ++ if (curr_cap >= BAT_CAP_HIGH) ++ cap_level = POWER_SUPPLY_CAPACITY_LEVEL_HIGH; ++ } else if (status & BIT_BAT_STATUS_DESTROY) ++ cap_level = POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN; ++ val->intval = cap_level; ++ break; ++ case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW: ++ /* seconds */ ++ val->intval = bat_in ? (curr_cap - 3) * 54 + 142 : 0; ++ break; ++ case POWER_SUPPLY_PROP_STATUS: ++ if (!bat_in) ++ charge = POWER_SUPPLY_STATUS_UNKNOWN; ++ else { ++ if (status & BIT_BAT_STATUS_FULL) { ++ val->intval = POWER_SUPPLY_STATUS_FULL; ++ break; ++ } ++ ++ charge = ec_read(REG_BAT_CHARGE); ++ if (charge & FLAG_BAT_CHARGE_DISCHARGE) ++ charge = POWER_SUPPLY_STATUS_DISCHARGING; ++ else if (charge & FLAG_BAT_CHARGE_CHARGE) ++ charge = POWER_SUPPLY_STATUS_CHARGING; ++ else ++ charge = POWER_SUPPLY_STATUS_NOT_CHARGING; ++ } ++ val->intval = charge; ++ break; ++ case POWER_SUPPLY_PROP_HEALTH: ++ if (!bat_in) /* no battery present */ ++ health = POWER_SUPPLY_HEALTH_UNKNOWN; ++ else { /* Assume it is good */ ++ health = POWER_SUPPLY_HEALTH_GOOD; ++ if (status & ++ (BIT_BAT_STATUS_DESTROY | BIT_BAT_STATUS_LOW)) ++ health = POWER_SUPPLY_HEALTH_DEAD; ++ if (ec_read(REG_BAT_CHARGE_STATUS) & ++ BIT_BAT_CHARGE_STATUS_OVERTEMP) ++ health = POWER_SUPPLY_HEALTH_OVERHEAT; ++ } ++ val->intval = health; ++ break; ++ case POWER_SUPPLY_PROP_CHARGE_NOW: /* 1/100(%)*1000 µAh */ ++ val->intval = curr_cap * get_bat_info(FULLCHG_CAP) * 10; ++ break; ++ default: ++ return -EINVAL; ++ } ++ return 0; ++} ++ ++static int get_battery_temp(void) ++{ ++ int value; ++ ++ value = get_bat_info(TEMPERATURE); ++ ++ return value * 1000; ++} ++ ++static int get_battery_current(void) ++{ ++ s16 value; ++ ++ value = get_bat_info(CURRENT); ++ ++ return -value; ++} ++ ++static int get_battery_voltage(void) ++{ ++ int value; ++ ++ value = get_bat_info(VOLTAGE); ++ ++ return value; ++} ++ ++static int yeeloong_get_bat_props(struct power_supply *psy, ++ enum power_supply_property psp, ++ union power_supply_propval *val) ++{ ++ switch (psp) { ++ /* Fixed information */ ++ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: ++ val->intval = get_bat_info(DESIGN_VOL) * 1000; /* mV -> µV */ ++ break; ++ case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: ++ val->intval = get_bat_info(DESIGN_CAP) * 1000; /* mAh->µAh */ ++ break; ++ case POWER_SUPPLY_PROP_CHARGE_FULL: ++ val->intval = get_bat_info(FULLCHG_CAP) * 1000; /* µAh */ ++ break; ++ case POWER_SUPPLY_PROP_MANUFACTURER: ++ val->strval = (ec_read(REG_BAT_VENDOR) == ++ FLAG_BAT_VENDOR_SANYO) ? "SANYO" : "SIMPLO"; ++ break; ++ /* Dynamic information */ ++ case POWER_SUPPLY_PROP_CURRENT_NOW: ++ val->intval = get_battery_current() * 1000; /* mA -> µA */ ++ break; ++ case POWER_SUPPLY_PROP_VOLTAGE_NOW: ++ val->intval = get_battery_voltage() * 1000; /* mV -> µV */ ++ break; ++ case POWER_SUPPLY_PROP_TEMP: ++ val->intval = get_battery_temp(); /* Celcius */ ++ break; ++ /* Dynamic but related information */ ++ default: ++ return yeeloong_bat_get_ex_property(psp, val); ++ } ++ ++ return 0; ++} ++ ++static enum power_supply_property yeeloong_bat_props[] = { ++ POWER_SUPPLY_PROP_STATUS, ++ POWER_SUPPLY_PROP_PRESENT, ++ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, ++ POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, ++ POWER_SUPPLY_PROP_CHARGE_FULL, ++ POWER_SUPPLY_PROP_CHARGE_NOW, ++ POWER_SUPPLY_PROP_CURRENT_NOW, ++ POWER_SUPPLY_PROP_VOLTAGE_NOW, ++ POWER_SUPPLY_PROP_HEALTH, ++ POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, ++ POWER_SUPPLY_PROP_CAPACITY, ++ POWER_SUPPLY_PROP_CAPACITY_LEVEL, ++ POWER_SUPPLY_PROP_TEMP, ++ POWER_SUPPLY_PROP_MANUFACTURER, ++}; ++ ++static struct power_supply yeeloong_bat = { ++ .name = "yeeloong-bat", ++ .type = POWER_SUPPLY_TYPE_BATTERY, ++ .properties = yeeloong_bat_props, ++ .num_properties = ARRAY_SIZE(yeeloong_bat_props), ++ .get_property = yeeloong_get_bat_props, ++}; ++ ++static int ac_bat_initialized; ++ ++static int yeeloong_bat_init(void) ++{ ++ int ret; ++ ++ ret = power_supply_register(NULL, &yeeloong_ac); ++ if (ret) ++ return ret; ++ ret = power_supply_register(NULL, &yeeloong_bat); ++ if (ret) { ++ power_supply_unregister(&yeeloong_ac); ++ return ret; ++ } ++ ac_bat_initialized = 1; ++ ++ return 0; ++} ++ ++static void yeeloong_bat_exit(void) ++{ ++ ac_bat_initialized = 0; ++ ++ power_supply_unregister(&yeeloong_ac); ++ power_supply_unregister(&yeeloong_bat); ++} ++/* hwmon subdriver */ ++ ++#define MIN_FAN_SPEED 0 ++#define MAX_FAN_SPEED 3 ++ ++static int get_fan_pwm_enable(void) ++{ ++ int level, mode; ++ ++ level = ec_read(REG_FAN_SPEED_LEVEL); ++ mode = ec_read(REG_FAN_AUTO_MAN_SWITCH); ++ ++ if (level == MAX_FAN_SPEED && mode == BIT_FAN_MANUAL) ++ mode = 0; ++ else if (mode == BIT_FAN_MANUAL) ++ mode = 1; ++ else ++ mode = 2; ++ ++ return mode; ++} ++ ++static void set_fan_pwm_enable(int mode) ++{ ++ switch (mode) { ++ case 0: ++ /* fullspeed */ ++ ec_write(REG_FAN_AUTO_MAN_SWITCH, BIT_FAN_MANUAL); ++ ec_write(REG_FAN_SPEED_LEVEL, MAX_FAN_SPEED); ++ break; ++ case 1: ++ ec_write(REG_FAN_AUTO_MAN_SWITCH, BIT_FAN_MANUAL); ++ break; ++ case 2: ++ ec_write(REG_FAN_AUTO_MAN_SWITCH, BIT_FAN_AUTO); ++ break; ++ default: ++ break; ++ } ++} ++ ++static int get_fan_pwm(void) ++{ ++ return ec_read(REG_FAN_SPEED_LEVEL); ++} ++ ++static void set_fan_pwm(int value) ++{ ++ int mode; ++ ++ mode = ec_read(REG_FAN_AUTO_MAN_SWITCH); ++ if (mode != BIT_FAN_MANUAL) ++ return; ++ ++ value = SENSORS_LIMIT(value, 0, 3); ++ ++ /* We must ensure the fan is on */ ++ if (value > 0) ++ ec_write(REG_FAN_CONTROL, BIT_FAN_CONTROL_ON); ++ ++ ec_write(REG_FAN_SPEED_LEVEL, value); ++} ++ ++static int get_fan_rpm(void) ++{ ++ int value; ++ ++ value = FAN_SPEED_DIVIDER / ++ (((ec_read(REG_FAN_SPEED_HIGH) & 0x0f) << 8) | ++ ec_read(REG_FAN_SPEED_LOW)); ++ ++ return value; ++} ++ ++static int get_cpu_temp(void) ++{ ++ s8 value; ++ ++ value = ec_read(REG_TEMPERATURE_VALUE); ++ ++ return value * 1000; ++} ++ ++static int get_cpu_temp_max(void) ++{ ++ return 60 * 1000; ++} ++ ++static int get_battery_temp_alarm(void) ++{ ++ int status; ++ ++ status = (ec_read(REG_BAT_CHARGE_STATUS) & ++ BIT_BAT_CHARGE_STATUS_OVERTEMP); ++ ++ return !!status; ++} ++ ++static ssize_t store_sys_hwmon(void (*set) (int), const char *buf, size_t count) ++{ ++ int ret; ++ unsigned long value; ++ ++ if (!count) ++ return 0; ++ ++ ret = strict_strtoul(buf, 10, &value); ++ if (ret) ++ return ret; ++ ++ set(value); ++ ++ return count; ++} ++ ++static ssize_t show_sys_hwmon(int (*get) (void), char *buf) ++{ ++ return sprintf(buf, "%d\n", get()); ++} ++ ++#define CREATE_SENSOR_ATTR(_name, _mode, _set, _get) \ ++ static ssize_t show_##_name(struct device *dev, \ ++ struct device_attribute *attr, \ ++ char *buf) \ ++ { \ ++ return show_sys_hwmon(_set, buf); \ ++ } \ ++ static ssize_t store_##_name(struct device *dev, \ ++ struct device_attribute *attr, \ ++ const char *buf, size_t count) \ ++ { \ ++ return store_sys_hwmon(_get, buf, count); \ ++ } \ ++ static SENSOR_DEVICE_ATTR(_name, _mode, show_##_name, store_##_name, 0); ++ ++CREATE_SENSOR_ATTR(fan1_input, S_IRUGO, get_fan_rpm, NULL); ++CREATE_SENSOR_ATTR(pwm1, S_IRUGO | S_IWUSR, get_fan_pwm, set_fan_pwm); ++CREATE_SENSOR_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, get_fan_pwm_enable, ++ set_fan_pwm_enable); ++CREATE_SENSOR_ATTR(temp1_input, S_IRUGO, get_cpu_temp, NULL); ++CREATE_SENSOR_ATTR(temp1_max, S_IRUGO, get_cpu_temp_max, NULL); ++CREATE_SENSOR_ATTR(temp2_input, S_IRUGO, get_battery_temp, NULL); ++CREATE_SENSOR_ATTR(temp2_max_alarm, S_IRUGO, get_battery_temp_alarm, NULL); ++CREATE_SENSOR_ATTR(curr1_input, S_IRUGO, get_battery_current, NULL); ++CREATE_SENSOR_ATTR(in1_input, S_IRUGO, get_battery_voltage, NULL); ++ ++static ssize_t ++show_name(struct device *dev, struct device_attribute *attr, char *buf) ++{ ++ return sprintf(buf, "yeeloong\n"); ++} ++ ++static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); ++ ++static struct attribute *hwmon_attributes[] = { ++ &sensor_dev_attr_pwm1.dev_attr.attr, ++ &sensor_dev_attr_pwm1_enable.dev_attr.attr, ++ &sensor_dev_attr_fan1_input.dev_attr.attr, ++ &sensor_dev_attr_temp1_input.dev_attr.attr, ++ &sensor_dev_attr_temp1_max.dev_attr.attr, ++ &sensor_dev_attr_temp2_input.dev_attr.attr, ++ &sensor_dev_attr_temp2_max_alarm.dev_attr.attr, ++ &sensor_dev_attr_curr1_input.dev_attr.attr, ++ &sensor_dev_attr_in1_input.dev_attr.attr, ++ &sensor_dev_attr_name.dev_attr.attr, ++ NULL ++}; ++ ++static struct attribute_group hwmon_attribute_group = { ++ .attrs = hwmon_attributes ++}; ++ ++static struct device *yeeloong_hwmon_dev; ++ ++static int yeeloong_hwmon_init(void) ++{ ++ int ret; ++ ++ yeeloong_hwmon_dev = hwmon_device_register(NULL); ++ if (IS_ERR(yeeloong_hwmon_dev)) { ++ pr_err("Fail to register yeeloong hwmon device\n"); ++ yeeloong_hwmon_dev = NULL; ++ return PTR_ERR(yeeloong_hwmon_dev); ++ } ++ ret = sysfs_create_group(&yeeloong_hwmon_dev->kobj, ++ &hwmon_attribute_group); ++ if (ret) { ++ hwmon_device_unregister(yeeloong_hwmon_dev); ++ yeeloong_hwmon_dev = NULL; ++ return ret; ++ } ++ /* ensure fan is set to auto mode */ ++ set_fan_pwm_enable(2); ++ ++ return 0; ++} ++ ++static void yeeloong_hwmon_exit(void) ++{ ++ if (yeeloong_hwmon_dev) { ++ sysfs_remove_group(&yeeloong_hwmon_dev->kobj, ++ &hwmon_attribute_group); ++ hwmon_device_unregister(yeeloong_hwmon_dev); ++ yeeloong_hwmon_dev = NULL; ++ } ++} ++ ++/* video output subdriver */ ++ ++static int lcd_video_output_get(struct output_device *od) ++{ ++ return ec_read(REG_DISPLAY_LCD); ++} ++ ++#define LCD 0 ++#define CRT 1 ++ ++static void display_vo_set(int display, int on) ++{ ++ int addr; ++ unsigned long value; ++ ++ addr = (display == LCD) ? 0x31 : 0x21; ++ ++ outb(addr, 0x3c4); ++ value = inb(0x3c5); ++ ++ if (display == LCD) ++ value |= (on ? 0x03 : 0x02); ++ else { ++ if (on) ++ clear_bit(7, &value); ++ else ++ set_bit(7, &value); ++ } ++ ++ outb(addr, 0x3c4); ++ outb(value, 0x3c5); ++} ++ ++static int lcd_video_output_set(struct output_device *od) ++{ ++ unsigned long status; ++ ++ status = !!od->request_state; ++ ++ display_vo_set(LCD, status); ++ ec_write(REG_BACKLIGHT_CTRL, status); ++ ++ return 0; ++} ++ ++static struct output_properties lcd_output_properties = { ++ .set_state = lcd_video_output_set, ++ .get_status = lcd_video_output_get, ++}; ++ ++static int crt_video_output_get(struct output_device *od) ++{ ++ return ec_read(REG_CRT_DETECT); ++} ++ ++static int crt_video_output_set(struct output_device *od) ++{ ++ unsigned long status; ++ ++ status = !!od->request_state; ++ ++ if (ec_read(REG_CRT_DETECT) == BIT_CRT_DETECT_PLUG) ++ display_vo_set(CRT, status); ++ ++ return 0; ++} ++ ++static struct output_properties crt_output_properties = { ++ .set_state = crt_video_output_set, ++ .get_status = crt_video_output_get, ++}; ++ ++static struct output_device *lcd_output_dev, *crt_output_dev; ++ ++static void yeeloong_lcd_vo_set(int status) ++{ ++ lcd_output_dev->request_state = status; ++ lcd_video_output_set(lcd_output_dev); ++} ++ ++static void yeeloong_crt_vo_set(int status) ++{ ++ crt_output_dev->request_state = status; ++ crt_video_output_set(crt_output_dev); ++} ++ ++static int yeeloong_vo_init(void) ++{ ++ int ret; ++ ++ /* Register video output device: lcd, crt */ ++ lcd_output_dev = video_output_register("LCD", NULL, NULL, ++ &lcd_output_properties); ++ ++ if (IS_ERR(lcd_output_dev)) { ++ ret = PTR_ERR(lcd_output_dev); ++ lcd_output_dev = NULL; ++ return ret; ++ } ++ /* Ensure LCD is on by default */ ++ yeeloong_lcd_vo_set(BIT_DISPLAY_LCD_ON); ++ ++ crt_output_dev = video_output_register("CRT", NULL, NULL, ++ &crt_output_properties); ++ ++ if (IS_ERR(crt_output_dev)) { ++ ret = PTR_ERR(crt_output_dev); ++ crt_output_dev = NULL; ++ return ret; ++ } ++ ++ /* Turn off CRT by default, and will be enabled when the CRT ++ * connectting event reported by SCI */ ++ yeeloong_crt_vo_set(BIT_CRT_DETECT_UNPLUG); ++ ++ return 0; ++} ++ ++static void yeeloong_vo_exit(void) ++{ ++ if (lcd_output_dev) { ++ video_output_unregister(lcd_output_dev); ++ lcd_output_dev = NULL; ++ } ++ if (crt_output_dev) { ++ video_output_unregister(crt_output_dev); ++ crt_output_dev = NULL; ++ } ++} ++ ++/* hotkey subdriver */ ++ ++static struct input_dev *yeeloong_hotkey_dev; ++ ++static const struct key_entry yeeloong_keymap[] = { ++ {KE_SW, EVENT_LID, { SW_LID } }, ++ {KE_KEY, EVENT_CAMERA, { KEY_CAMERA } }, /* Fn + ESC */ ++ {KE_KEY, EVENT_SLEEP, { KEY_SLEEP } }, /* Fn + F1 */ ++ {KE_KEY, EVENT_DISPLAYTOGGLE, { KEY_DISPLAYTOGGLE } }, /* Fn + F2 */ ++ {KE_KEY, EVENT_SWITCHVIDEOMODE, { KEY_SWITCHVIDEOMODE } }, /* Fn + F3 */ ++ {KE_KEY, EVENT_AUDIO_MUTE, { KEY_MUTE } }, /* Fn + F4 */ ++ {KE_KEY, EVENT_WLAN, { KEY_WLAN } }, /* Fn + F5 */ ++ {KE_KEY, EVENT_DISPLAY_BRIGHTNESS, { KEY_BRIGHTNESSUP } }, /* Fn + up */ ++ {KE_KEY, EVENT_DISPLAY_BRIGHTNESS, { KEY_BRIGHTNESSDOWN } }, /* Fn + down */ ++ {KE_KEY, EVENT_AUDIO_VOLUME, { KEY_VOLUMEUP } }, /* Fn + right */ ++ {KE_KEY, EVENT_AUDIO_VOLUME, { KEY_VOLUMEDOWN } }, /* Fn + left */ ++ {KE_END, 0} ++}; ++ ++static struct key_entry *get_event_key_entry(int event, int status) ++{ ++ struct key_entry *ke; ++ static int old_brightness_status = -1; ++ static int old_volume_status = -1; ++ ++ ke = sparse_keymap_entry_from_scancode(yeeloong_hotkey_dev, event); ++ if (!ke) ++ return NULL; ++ ++ switch (event) { ++ case EVENT_DISPLAY_BRIGHTNESS: ++ /* current status > old one, means up */ ++ if ((status < old_brightness_status) || (0 == status)) ++ ke++; ++ old_brightness_status = status; ++ break; ++ case EVENT_AUDIO_VOLUME: ++ if ((status < old_volume_status) || (0 == status)) ++ ke++; ++ old_volume_status = status; ++ break; ++ default: ++ break; ++ } ++ ++ return ke; ++} ++ ++static int report_lid_switch(int status) ++{ ++ input_report_switch(yeeloong_hotkey_dev, SW_LID, !status); ++ input_sync(yeeloong_hotkey_dev); ++ ++ return status; ++} ++ ++static int crt_detect_handler(int status) ++{ ++ if (status) { ++ yeeloong_crt_vo_set(BIT_CRT_DETECT_PLUG); ++ yeeloong_lcd_vo_set(BIT_DISPLAY_LCD_OFF); ++ } else { ++ yeeloong_lcd_vo_set(BIT_DISPLAY_LCD_ON); ++ yeeloong_crt_vo_set(BIT_CRT_DETECT_UNPLUG); ++ } ++ return status; ++} ++ ++static int displaytoggle_handler(int status) ++{ ++ /* EC(>=PQ1D26) does this job for us, we can not do it again, ++ * otherwise, the brightness will not resume to the normal level! */ ++ if (ec_version_before("EC_VER=PQ1D26")) ++ yeeloong_lcd_vo_set(status); ++ ++ return status; ++} ++ ++static int switchvideomode_handler(int status) ++{ ++ static int video_output_status; ++ ++ /* Only enable switch video output button ++ * when CRT is connected */ ++ if (ec_read(REG_CRT_DETECT) == BIT_CRT_DETECT_UNPLUG) ++ return 0; ++ /* 0. no CRT connected: LCD on, CRT off ++ * 1. BOTH on ++ * 2. LCD off, CRT on ++ * 3. BOTH off ++ * 4. LCD on, CRT off ++ */ ++ video_output_status++; ++ if (video_output_status > 4) ++ video_output_status = 1; ++ ++ switch (video_output_status) { ++ case 1: ++ yeeloong_lcd_vo_set(BIT_DISPLAY_LCD_ON); ++ yeeloong_crt_vo_set(BIT_CRT_DETECT_PLUG); ++ break; ++ case 2: ++ yeeloong_lcd_vo_set(BIT_DISPLAY_LCD_OFF); ++ yeeloong_crt_vo_set(BIT_CRT_DETECT_PLUG); ++ break; ++ case 3: ++ yeeloong_lcd_vo_set(BIT_DISPLAY_LCD_OFF); ++ yeeloong_crt_vo_set(BIT_CRT_DETECT_UNPLUG); ++ break; ++ case 4: ++ yeeloong_lcd_vo_set(BIT_DISPLAY_LCD_ON); ++ yeeloong_crt_vo_set(BIT_CRT_DETECT_UNPLUG); ++ break; ++ default: ++ /* Ensure LCD is on */ ++ yeeloong_lcd_vo_set(BIT_DISPLAY_LCD_ON); ++ break; ++ } ++ return video_output_status; ++} ++ ++static int camera_handler(int status) ++{ ++ int value; ++ ++ value = ec_read(REG_CAMERA_CONTROL); ++ ec_write(REG_CAMERA_CONTROL, value | (1 << 1)); ++ ++ return status; ++} ++ ++static int usb2_handler(int status) ++{ ++ pr_emerg("USB2 Over Current occurred\n"); ++ ++ return status; ++} ++ ++static int usb0_handler(int status) ++{ ++ pr_emerg("USB0 Over Current occurred\n"); ++ ++ return status; ++} ++ ++static int ac_bat_handler(int status) ++{ ++ if (ac_bat_initialized) { ++ power_supply_changed(&yeeloong_ac); ++ power_supply_changed(&yeeloong_bat); ++ } ++ return status; ++} ++ ++static void do_event_action(int event) ++{ ++ sci_handler handler; ++ int reg, status; ++ struct key_entry *ke; ++ ++ reg = 0; ++ handler = NULL; ++ ++ switch (event) { ++ case EVENT_LID: ++ reg = REG_LID_DETECT; ++ break; ++ case EVENT_SWITCHVIDEOMODE: ++ handler = switchvideomode_handler; ++ break; ++ case EVENT_CRT_DETECT: ++ reg = REG_CRT_DETECT; ++ handler = crt_detect_handler; ++ break; ++ case EVENT_CAMERA: ++ reg = REG_CAMERA_STATUS; ++ handler = camera_handler; ++ break; ++ case EVENT_USB_OC2: ++ reg = REG_USB2_FLAG; ++ handler = usb2_handler; ++ break; ++ case EVENT_USB_OC0: ++ reg = REG_USB0_FLAG; ++ handler = usb0_handler; ++ break; ++ case EVENT_DISPLAYTOGGLE: ++ reg = REG_DISPLAY_LCD; ++ handler = displaytoggle_handler; ++ break; ++ case EVENT_AUDIO_MUTE: ++ reg = REG_AUDIO_MUTE; ++ break; ++ case EVENT_DISPLAY_BRIGHTNESS: ++ reg = REG_DISPLAY_BRIGHTNESS; ++ break; ++ case EVENT_AUDIO_VOLUME: ++ reg = REG_AUDIO_VOLUME; ++ break; ++ case EVENT_AC_BAT: ++ handler = ac_bat_handler; ++ break; ++ default: ++ break; ++ } ++ ++ if (reg != 0) ++ status = ec_read(reg); ++ ++ if (handler != NULL) ++ status = handler(status); ++ ++ pr_info("%s: event: %d status: %d\n", __func__, event, status); ++ ++ /* Report current key to user-space */ ++ ke = get_event_key_entry(event, status); ++ if (ke) { ++ if (ke->keycode == SW_LID) ++ report_lid_switch(status); ++ else ++ sparse_keymap_report_entry(yeeloong_hotkey_dev, ke, 1, ++ true); ++ } ++} ++ ++/* ++ * SCI(system control interrupt) main interrupt routine ++ * ++ * We will do the query and get event number together so the interrupt routine ++ * should be longer than 120us now at least 3ms elpase for it. ++ */ ++static irqreturn_t sci_irq_handler(int irq, void *dev_id) ++{ ++ int ret, event; ++ ++ if (SCI_IRQ_NUM != irq) ++ return IRQ_NONE; ++ ++ /* Query the event number */ ++ ret = ec_query_event_num(); ++ if (ret < 0) ++ return IRQ_NONE; ++ ++ event = ec_get_event_num(); ++ if (event < EVENT_START || event > EVENT_END) ++ return IRQ_NONE; ++ ++ /* Execute corresponding actions */ ++ do_event_action(event); ++ ++ return IRQ_HANDLED; ++} ++ ++/* ++ * Config and init some msr and gpio register properly. ++ */ ++static int sci_irq_init(void) ++{ ++ u32 hi, lo; ++ u32 gpio_base; ++ unsigned long flags; ++ int ret; ++ ++ /* Get gpio base */ ++ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &lo); ++ gpio_base = lo & 0xff00; ++ ++ /* Filter the former kb3310 interrupt for security */ ++ ret = ec_query_event_num(); ++ if (ret) ++ return ret; ++ ++ /* For filtering next number interrupt */ ++ udelay(10000); ++ ++ /* Set gpio native registers and msrs for GPIO27 SCI EVENT PIN ++ * gpio : ++ * input, pull-up, no-invert, event-count and value 0, ++ * no-filter, no edge mode ++ * gpio27 map to Virtual gpio0 ++ * msr : ++ * no primary and lpc ++ * Unrestricted Z input to IG10 from Virtual gpio 0. ++ */ ++ local_irq_save(flags); ++ _rdmsr(0x80000024, &hi, &lo); ++ lo &= ~(1 << 10); ++ _wrmsr(0x80000024, hi, lo); ++ _rdmsr(0x80000025, &hi, &lo); ++ lo &= ~(1 << 10); ++ _wrmsr(0x80000025, hi, lo); ++ _rdmsr(0x80000023, &hi, &lo); ++ lo |= (0x0a << 0); ++ _wrmsr(0x80000023, hi, lo); ++ local_irq_restore(flags); ++ ++ /* Set gpio27 as sci interrupt ++ * ++ * input, pull-up, no-fliter, no-negedge, invert ++ * the sci event is just about 120us ++ */ ++ asm(".set noreorder\n"); ++ /* input enable */ ++ outl(0x00000800, (gpio_base | 0xA0)); ++ /* revert the input */ ++ outl(0x00000800, (gpio_base | 0xA4)); ++ /* event-int enable */ ++ outl(0x00000800, (gpio_base | 0xB8)); ++ asm(".set reorder\n"); ++ ++ return 0; ++} ++ ++static struct irqaction sci_irqaction = { ++ .handler = sci_irq_handler, ++ .name = "sci", ++ .flags = IRQF_SHARED, ++}; ++ ++static int yeeloong_hotkey_init(void) ++{ ++ int ret; ++ ++ ret = sci_irq_init(); ++ if (ret) ++ return -EFAULT; ++ ++ ret = setup_irq(SCI_IRQ_NUM, &sci_irqaction); ++ if (ret) ++ return -EFAULT; ++ ++ yeeloong_hotkey_dev = input_allocate_device(); ++ ++ if (!yeeloong_hotkey_dev) { ++ remove_irq(SCI_IRQ_NUM, &sci_irqaction); ++ return -ENOMEM; ++ } ++ ++ yeeloong_hotkey_dev->name = "HotKeys"; ++ yeeloong_hotkey_dev->phys = "button/input0"; ++ yeeloong_hotkey_dev->id.bustype = BUS_HOST; ++ yeeloong_hotkey_dev->dev.parent = NULL; ++ ++ ret = sparse_keymap_setup(yeeloong_hotkey_dev, yeeloong_keymap, NULL); ++ if (ret) { ++ pr_err("Fail to setup input device keymap\n"); ++ input_free_device(yeeloong_hotkey_dev); ++ return ret; ++ } ++ ++ ret = input_register_device(yeeloong_hotkey_dev); ++ if (ret) { ++ sparse_keymap_free(yeeloong_hotkey_dev); ++ input_free_device(yeeloong_hotkey_dev); ++ return ret; ++ } ++ ++ /* Update the current status of LID */ ++ report_lid_switch(BIT_LID_DETECT_ON); ++ ++#ifdef CONFIG_LOONGSON_SUSPEND ++ /* Install the real yeeloong_report_lid_status for pm.c */ ++ yeeloong_report_lid_status = report_lid_switch; ++#endif ++ ++ return 0; ++} ++ ++static void yeeloong_hotkey_exit(void) ++{ ++ /* Free irq */ ++ remove_irq(SCI_IRQ_NUM, &sci_irqaction); ++ ++#ifdef CONFIG_LOONGSON_SUSPEND ++ /* Uninstall yeeloong_report_lid_status for pm.c */ ++ if (yeeloong_report_lid_status == report_lid_switch) ++ yeeloong_report_lid_status = NULL; ++#endif ++ ++ if (yeeloong_hotkey_dev) { ++ sparse_keymap_free(yeeloong_hotkey_dev); ++ input_unregister_device(yeeloong_hotkey_dev); ++ yeeloong_hotkey_dev = NULL; ++ } ++} ++ ++#ifdef CONFIG_PM ++static void usb_ports_set(int status) ++{ ++ status = !!status; ++ ++ ec_write(REG_USB0_FLAG, status); ++ ec_write(REG_USB1_FLAG, status); ++ ec_write(REG_USB2_FLAG, status); ++} ++ ++static int yeeloong_suspend(struct device *dev) ++ ++{ ++ if (ec_version_before("EC_VER=PQ1D27")) ++ yeeloong_lcd_vo_set(BIT_DISPLAY_LCD_OFF); ++ yeeloong_crt_vo_set(BIT_CRT_DETECT_UNPLUG); ++ usb_ports_set(BIT_USB_FLAG_OFF); ++ ++ return 0; ++} ++ ++static int yeeloong_resume(struct device *dev) ++{ ++ if (ec_version_before("EC_VER=PQ1D27")) ++ yeeloong_lcd_vo_set(BIT_DISPLAY_LCD_ON); ++ yeeloong_crt_vo_set(BIT_CRT_DETECT_PLUG); ++ usb_ports_set(BIT_USB_FLAG_ON); ++ ++ return 0; ++} ++ ++static const SIMPLE_DEV_PM_OPS(yeeloong_pm_ops, yeeloong_suspend, ++ yeeloong_resume); ++#endif ++ ++static struct platform_device_id platform_device_ids[] = { ++ { ++ .name = "yeeloong_laptop", ++ }, ++ {} ++}; ++ ++MODULE_DEVICE_TABLE(platform, platform_device_ids); ++ ++static struct platform_driver platform_driver = { ++ .driver = { ++ .name = "yeeloong_laptop", ++ .owner = THIS_MODULE, ++#ifdef CONFIG_PM ++ .pm = &yeeloong_pm_ops, ++#endif ++ }, ++ .id_table = platform_device_ids, ++}; ++ ++static int __init yeeloong_init(void) ++{ ++ int ret; ++ ++ pr_info("Load YeeLoong Laptop Platform Specific Driver.\n"); ++ ++ /* Register platform stuff */ ++ ret = platform_driver_register(&platform_driver); ++ if (ret) { ++ pr_err("Fail to register yeeloong platform driver.\n"); ++ return ret; ++ } ++ ++ ret = yeeloong_backlight_init(); ++ if (ret) { ++ pr_err("Fail to register yeeloong backlight driver.\n"); ++ yeeloong_backlight_exit(); ++ return ret; ++ } ++ ++ ret = yeeloong_bat_init(); ++ if (ret) { ++ pr_err("Fail to register yeeloong battery driver.\n"); ++ yeeloong_bat_exit(); ++ return ret; ++ } ++ ++ ret = yeeloong_hwmon_init(); ++ if (ret) { ++ pr_err("Fail to register yeeloong hwmon driver.\n"); ++ yeeloong_hwmon_exit(); ++ return ret; ++ } ++ ++ ret = yeeloong_vo_init(); ++ if (ret) { ++ pr_err("Fail to register yeeloong video output driver.\n"); ++ yeeloong_vo_exit(); ++ return ret; ++ } ++ ++ ret = yeeloong_hotkey_init(); ++ if (ret) { ++ pr_err("Fail to register yeeloong hotkey driver.\n"); ++ yeeloong_hotkey_exit(); ++ return ret; ++ } ++ ++ return 0; ++} ++ ++static void __exit yeeloong_exit(void) ++{ ++ yeeloong_hotkey_exit(); ++ yeeloong_vo_exit(); ++ yeeloong_hwmon_exit(); ++ yeeloong_bat_exit(); ++ yeeloong_backlight_exit(); ++ platform_driver_unregister(&platform_driver); ++ ++ pr_info("Unload YeeLoong Platform Specific Driver.\n"); ++} ++ ++module_init(yeeloong_init); ++module_exit(yeeloong_exit); ++ ++MODULE_AUTHOR("Wu Zhangjin <wuzhangjin@gmail.com>; Liu Junliang <liujl@lemote.com>"); ++MODULE_DESCRIPTION("YeeLoong laptop driver"); ++MODULE_LICENSE("GPL"); +diff -Nur linux-2.6.36.orig/drivers/staging/sm7xx/smtcfb.c linux-2.6.36/drivers/staging/sm7xx/smtcfb.c +--- linux-2.6.36.orig/drivers/staging/sm7xx/smtcfb.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/drivers/staging/sm7xx/smtcfb.c 2010-12-17 23:12:59.000000000 +0100 +@@ -12,6 +12,8 @@ + * License. See the file COPYING in the main directory of this archive for + * more details. + * ++ * - Remove the buggy 2D support for Lynx, 2010/01/06, Wu Zhangjin ++ * + * Version 0.10.26192.21.01 + * - Add PowerPC/Big endian support + * - Add 2D support for Lynx +@@ -107,6 +109,7 @@ + {"0x307", 1280, 1024, 8}, + + {"0x311", 640, 480, 16}, ++ {"0x313", 800, 480, 16}, + {"0x314", 800, 600, 16}, + {"0x317", 1024, 768, 16}, + {"0x31A", 1280, 1024, 16}, +diff -Nur linux-2.6.36.orig/drivers/usb/host/ohci-hcd.c linux-2.6.36/drivers/usb/host/ohci-hcd.c +--- linux-2.6.36.orig/drivers/usb/host/ohci-hcd.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/drivers/usb/host/ohci-hcd.c 2010-12-17 23:12:59.000000000 +0100 +@@ -832,9 +832,13 @@ + } + + if (ints & OHCI_INTR_WDH) { +- spin_lock (&ohci->lock); +- dl_done_list (ohci); +- spin_unlock (&ohci->lock); ++ if (ohci->hcca->done_head == 0) { ++ ints &= ~OHCI_INTR_WDH; ++ } else { ++ spin_lock (&ohci->lock); ++ dl_done_list (ohci); ++ spin_unlock (&ohci->lock); ++ } + } + + if (quirk_zfmicro(ohci) && (ints & OHCI_INTR_SF)) { +diff -Nur linux-2.6.36.orig/net/rfkill/core.c linux-2.6.36/net/rfkill/core.c +--- linux-2.6.36.orig/net/rfkill/core.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/net/rfkill/core.c 2010-12-17 23:12:59.000000000 +0100 +@@ -112,7 +112,7 @@ + static DEFINE_MUTEX(rfkill_global_mutex); + static LIST_HEAD(rfkill_fds); /* list of open fds of /dev/rfkill */ + +-static unsigned int rfkill_default_state = 1; ++static unsigned int rfkill_default_state; /* default: 0 = radio off */ + module_param_named(default_state, rfkill_default_state, uint, 0444); + MODULE_PARM_DESC(default_state, + "Default initial state for all radio types, 0 = radio off"); |