* [PATCH 0/5] Lemote-2f: Add Platform Specific Support
@ 2009-11-19 17:32 Wu Zhangjin
2009-11-19 17:33 ` [PATCH 1/5] [loongson] LynLoong2F: " Wu Zhangjin
` (4 more replies)
0 siblings, 5 replies; 13+ messages in thread
From: Wu Zhangjin @ 2009-11-19 17:32 UTC (permalink / raw)
To: Ralf Baechle; +Cc: linux-mips, zhangfx, yanh, huhb, Wu Zhangjin
This patchset add the platform specific support for LynLoong2F(ALLINONE) PC and
YeeLoong2F netbook. and also, a cleanup and update for YeeLoong2F is added.
o [loongson] LynLoong2F: Add Platform Specific Support
Add the backlight and suspend support for LynLoong2F.
o [loongson] yeeloong2f: add basic ec operations
[loongson] yeeloong2f: add platform specific support
Add the support for YeeLoong2F's Embedded Controller and cleanup the reset
logic with the ec operations. the following yeeloong2f patches need this ec support.
o [loongson] yeeloong2f: add platform specific support
Add the backlight,hwmon,hotkey,thermal,battery,suspend support for YeeLoong2F.
o [loongson] yeeloong2f: add LID open event as the wakeup event
Setup a new wakeup interrupt for YeeLoong2F to allow user wakeup the
netbook from suspend mode via opening the netbook.
All of the above updates have been put into this branch:
git://dev.lemote.com/rt4ls.git linux-loongson/dev/for-upstream
Thanks & Best Regards,
Wu Zhangjin
Wu Zhangjin (5):
[loongson] LynLoong2F: Add Platform Specific Support
[loongson] yeeloong2f: add basic ec operations
[loongson] yeeloong2f: add LID open event as the wakeup event
[loongson] yeeloong2f: cleanup the reset logic with ec_write function
[loongson] yeeloong2f: add platform specific support
.../mips/include/asm/mach-loongson/cs5536/cs5536.h | 35 +
.../asm/mach-loongson/cs5536/cs5536_mfgpt.h | 5 +
arch/mips/include/asm/mach-loongson/loongson.h | 1 +
arch/mips/kernel/setup.c | 1 +
arch/mips/loongson/Kconfig | 53 +
arch/mips/loongson/common/cmdline.c | 10 +
arch/mips/loongson/lemote-2f/Makefile | 8 +-
arch/mips/loongson/lemote-2f/ec_kb3310b.c | 132 ++
arch/mips/loongson/lemote-2f/ec_kb3310b.h | 197 +++
arch/mips/loongson/lemote-2f/irq.c | 4 +-
arch/mips/loongson/lemote-2f/lynloong_pc.c | 609 +++++++++
arch/mips/loongson/lemote-2f/pm.c | 72 +
arch/mips/loongson/lemote-2f/reset.c | 21 +-
arch/mips/loongson/lemote-2f/yeeloong_laptop.c | 1354 ++++++++++++++++++++
14 files changed, 2481 insertions(+), 21 deletions(-)
create mode 100644 arch/mips/loongson/lemote-2f/ec_kb3310b.c
create mode 100644 arch/mips/loongson/lemote-2f/ec_kb3310b.h
create mode 100644 arch/mips/loongson/lemote-2f/lynloong_pc.c
create mode 100644 arch/mips/loongson/lemote-2f/yeeloong_laptop.c
^ permalink raw reply [flat|nested] 13+ messages in thread* [PATCH 1/5] [loongson] LynLoong2F: Add Platform Specific Support 2009-11-19 17:32 [PATCH 0/5] Lemote-2f: Add Platform Specific Support Wu Zhangjin @ 2009-11-19 17:33 ` Wu Zhangjin 2009-11-19 17:33 ` [PATCH 2/5] [loongson] yeeloong2f: add basic ec operations Wu Zhangjin ` (3 subsequent siblings) 4 siblings, 0 replies; 13+ messages in thread From: Wu Zhangjin @ 2009-11-19 17:33 UTC (permalink / raw) To: Ralf Baechle; +Cc: linux-mips, zhangfx, yanh, huhb, Richard Purdie, Wu Zhangjin 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(e.g. suspend/resume the display, the external clocks.). This patch adds the backlight subdriver and platform specific suspend support for LynLoong(ALLINONE) PC. And also, a kernel command line argument "video=sisfb:1360x768-16@60" is appended for the size-fixed display. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> --- .../mips/include/asm/mach-loongson/cs5536/cs5536.h | 35 ++ .../asm/mach-loongson/cs5536/cs5536_mfgpt.h | 5 + arch/mips/loongson/Kconfig | 35 ++ arch/mips/loongson/common/cmdline.c | 10 + arch/mips/loongson/lemote-2f/Makefile | 5 + arch/mips/loongson/lemote-2f/lynloong_pc.c | 609 ++++++++++++++++++++ 6 files changed, 699 insertions(+), 0 deletions(-) create mode 100644 arch/mips/loongson/lemote-2f/lynloong_pc.c diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h index 021f77c..1cf86f3 100644 --- a/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h +++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h @@ -301,5 +301,40 @@ extern void _wrmsr(u32 msr, u32 hi, u32 lo); /* 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 --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h index 4b493d6..cac04ee 100644 --- a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h +++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h @@ -32,4 +32,9 @@ static inline void __maybe_unused enable_mfgpt0_counter(void) #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 --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig index 7a86987..1041336 100644 --- a/arch/mips/loongson/Kconfig +++ b/arch/mips/loongson/Kconfig @@ -78,3 +78,38 @@ config LOONGSON_SUSPEND bool default y depends on CPU_SUPPORTS_CPUFREQ && SUSPEND + +# +# Loongson Platform Specific Drivers +# + +comment "Loongson Platform Specific Drivers" + +menuconfig LOONGSON_PLATFORM_DEVICES + bool "Loongson Platform Specific Drivers" + default y + ---help--- + Say Y here to get to see options for device drivers for various + loongson platforms, including vendor-specific 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 LOONGSON_PLATFORM_DEVICES + +config LEMOTE_LYNLOONG2F_PDEV + tristate "Lemote LynLoong(Allinone) Platform Specific Driver" + depends on LEMOTE_MACH2F + select THERMAL + select BACKLIGHT_CLASS_DEVICE + default m + 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. + + This driver adds the lynloong specific backlight driver and platform + driver(mainly the suspend support). + +endif # LOONGSON_PLATFORM_DEVICES diff --git a/arch/mips/loongson/common/cmdline.c b/arch/mips/loongson/common/cmdline.c index 7ad47f2..13ce9b1 100644 --- a/arch/mips/loongson/common/cmdline.c +++ b/arch/mips/loongson/common/cmdline.c @@ -51,4 +51,14 @@ void __init prom_init_cmdline(void) 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; + default: + break; + } } diff --git a/arch/mips/loongson/lemote-2f/Makefile b/arch/mips/loongson/lemote-2f/Makefile index 5add7b2..ad9e287 100644 --- a/arch/mips/loongson/lemote-2f/Makefile +++ b/arch/mips/loongson/lemote-2f/Makefile @@ -9,3 +9,8 @@ obj-y += irq.o reset.o # obj-$(CONFIG_LOONGSON_SUSPEND) += pm.o + +# +# Platform Drivers +# +obj-$(CONFIG_LEMOTE_LYNLOONG2F_PDEV) += lynloong_pc.o diff --git a/arch/mips/loongson/lemote-2f/lynloong_pc.c b/arch/mips/loongson/lemote-2f/lynloong_pc.c new file mode 100644 index 0000000..5e84288 --- /dev/null +++ b/arch/mips/loongson/lemote-2f/lynloong_pc.c @@ -0,0 +1,609 @@ +/* + * Driver for LynLoong pc extras + * + * Copyright (C) 2009 Lemote Inc. + * Author: Xiang Yu <xiangy@lemote.com> + * Wu Zhangjin <wuzj@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/module.h> +#include <linux/moduleparam.h> +#include <linux/suspend.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/pm.h> +#include <linux/delay.h> +#include <linux/backlight.h> +#include <linux/fb.h> +#include <linux/thermal.h> + +#include <asm/bootinfo.h> + +#include <loongson.h> + +#include <cs5536/cs5536.h> +#include <cs5536/cs5536_pci.h> +#include <cs5536/cs5536_mfgpt.h> + +static u32 gpio_base, smb_base, mfgpt_base; + +/* gpio operations */ +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 uint level; + +/* tune the brightness */ +static void setup_mfgpt2(void) +{ + /* 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); +} + +static int lynloong_set_brightness(struct backlight_device *bd) +{ + uint i; + + 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; + + if (level == 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); + } + + 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 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); + + printk(KERN_INFO "exit from LingLoong Backlight Driver"); +} + +static int __init lynloong_backlight_init(struct device *dev) +{ + int ret; + + /* select for mfgpt */ + set_gpio_reg_high(7, GPIOL_OUT_AUX1_SEL); + /* enable brightness controlling */ + set_gpio_output_high(7); + + lynloong_backlight_dev = + backlight_device_register("backlight0", dev, NULL, + &backlight_ops); + + if (IS_ERR(lynloong_backlight_dev)) { + ret = PTR_ERR(lynloong_backlight_dev); + return ret; + } + + lynloong_backlight_dev->props.max_brightness = MAX_BRIGHTNESS; + lynloong_backlight_dev->props.brightness = DEFAULT_BRIGHTNESS; + backlight_update_status(lynloong_backlight_dev); + + return 0; +} + +/* Thermal cooling devices subdriver */ + +static int video_get_max_state(struct thermal_cooling_device *cdev, unsigned + long *state) +{ + *state = MAX_BRIGHTNESS; + return 0; +} + +static int video_get_cur_state(struct thermal_cooling_device *cdev, unsigned + long *state) +{ + static struct backlight_device *bd; + + bd = (struct backlight_device *)cdev->devdata; + + *state = lynloong_get_brightness(bd); + + return 0; +} + +static int video_set_cur_state(struct thermal_cooling_device *cdev, unsigned + long state) +{ + static struct backlight_device *bd; + + bd = (struct backlight_device *)cdev->devdata; + + lynloong_backlight_dev->props.brightness = state; + backlight_update_status(bd); + + return 0; +} + +static struct thermal_cooling_device_ops video_cooling_ops = { + .get_max_state = video_get_max_state, + .get_cur_state = video_get_cur_state, + .set_cur_state = video_set_cur_state, +}; + +static struct thermal_cooling_device *lynloong_thermal_cdev; + +/* TODO: register cpu as the cooling devices */ +static int lynloong_thermal_init(struct device *dev) +{ + int ret; + + if (!dev) + return -1; + + lynloong_thermal_cdev = thermal_cooling_device_register("LCD", dev, + &video_cooling_ops); + + if (IS_ERR(lynloong_thermal_cdev)) { + ret = PTR_ERR(lynloong_thermal_cdev); + return ret; + } + + ret = sysfs_create_link(&dev->kobj, + &lynloong_thermal_cdev->device.kobj, + "thermal_cooling"); + if (ret) { + printk(KERN_ERR "Create sysfs link\n"); + return ret; + } + ret = sysfs_create_link(&lynloong_thermal_cdev->device.kobj, + &dev->kobj, "device"); + if (ret) { + printk(KERN_ERR "Create sysfs link\n"); + return ret; + } + + return 0; +} + +static void lynloong_thermal_exit(struct device *dev) +{ + if (lynloong_thermal_cdev) { + if (dev) + sysfs_remove_link(&dev->kobj, "thermal_cooling"); + sysfs_remove_link(&lynloong_thermal_cdev->device.kobj, + "device"); + thermal_cooling_device_unregister(lynloong_thermal_cdev); + lynloong_thermal_cdev = NULL; + } +} + +/* platform subdriver */ + +/* 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 struct platform_device *lynloong_pdev; + +static int __maybe_unused lynloong_suspend(struct platform_device *pdev, + pm_message_t state) +{ + int i; + + printk(KERN_INFO "lynloong specific suspend\n"); + + /* disable AMP */ + set_gpio_output_high(6); + /* disable the brightness control */ + set_gpio_output_low(7); + /* disable the backlight output */ + set_gpio_output_low(11); + + /* stop the clocks of some devices */ + stop_clocks(); + + /* decrease the external clock frequency */ + decrease_clk_freq(); + + /* turn off the LCD */ + for (i = 0; i < 0x600; i++) + delay(); + set_gpio_output_high(8); + + return 0; +} + +static int __maybe_unused lynloong_resume(struct platform_device *pdev) +{ + int i; + + printk(KERN_INFO "lynloong specific resume\n"); + + /* turn on the LCD */ + set_gpio_output_low(8); + for (i = 0; i < 0x1000; i++) + delay(); + + /* resume clock frequency, enable the relative clocks */ + resume_clk_freq(); + enable_clocks(); + + /* enable the backlight output */ + set_gpio_output_high(11); + /* enable the brightness control */ + set_gpio_output_high(7); + /* enable AMP */ + set_gpio_output_low(6); + + return 0; +} + +static struct platform_driver platform_driver = { + .driver = { + .name = "lynloong-pc", + .owner = THIS_MODULE, + }, +#ifdef CONFIG_PM + .suspend = lynloong_suspend, + .resume = lynloong_resume, +#endif +}; + +static ssize_t lynloong_pdev_name_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "lynloong pc\n"); +} + +static struct device_attribute dev_attr_lynloong_pdev_name = +__ATTR(name, S_IRUGO, lynloong_pdev_name_show, NULL); + +static int lynloong_pdev_init(void) +{ + int ret; + + /* Register platform stuff */ + ret = platform_driver_register(&platform_driver); + if (ret) + return ret; + + lynloong_pdev = platform_device_alloc("lynloong-laptop", -1); + if (!lynloong_pdev) { + ret = -ENOMEM; + platform_driver_unregister(&platform_driver); + return ret; + } + + ret = platform_device_add(lynloong_pdev); + if (ret) { + platform_device_put(lynloong_pdev); + return ret; + } + + if (IS_ERR(lynloong_pdev)) { + ret = PTR_ERR(lynloong_pdev); + lynloong_pdev = NULL; + printk(KERN_INFO "unable to register platform device\n"); + return ret; + } + + ret = device_create_file(&lynloong_pdev->dev, + &dev_attr_lynloong_pdev_name); + if (ret) { + printk(KERN_INFO "unable to create sysfs device attributes\n"); + return ret; + } + + return 0; +} + +static void lynloong_pdev_exit(void) +{ + if (lynloong_pdev) { + platform_device_unregister(lynloong_pdev); + lynloong_pdev = NULL; + platform_driver_unregister(&platform_driver); + } +} + +static int __init lynloong_init(void) +{ + int ret; + u32 hi; + + if (mips_machtype != MACH_LEMOTE_LL2F) { + printk(KERN_INFO "This Driver is for LynLoong(Allinone) PC, You" + "can not use it on the other Machines\n"); + return -EFAULT; + } + + /* 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); + /* get smb base */ + _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_SMB), &hi, &smb_base); + + ret = lynloong_pdev_init(); + if (ret) { + lynloong_pdev_exit(); + printk(KERN_INFO "init lynloong platform driver failure\n"); + return ret; + } + + ret = lynloong_backlight_init(&lynloong_pdev->dev); + if (ret) { + lynloong_backlight_exit(); + printk(KERN_INFO "init lynloong backlight driver failure\n"); + return ret; + } + ret = lynloong_thermal_init(&lynloong_backlight_dev->dev); + if (ret) { + lynloong_thermal_exit(&lynloong_backlight_dev->dev); + printk(KERN_INFO + "init lynloong thermal cooling device failure\n"); + return ret; + } + + return 0; +} + +static void __exit lynloong_exit(void) +{ + lynloong_pdev_exit(); + lynloong_thermal_exit(&lynloong_backlight_dev->dev); + lynloong_backlight_exit(); +} + +module_init(lynloong_init); +module_exit(lynloong_exit); + +MODULE_AUTHOR("Xiang Yu <xiangy@lemote.com>; Wu Zhangjin <wuzj@lemote.com>"); +MODULE_DESCRIPTION("LynLoong Platform Specific Driver"); +MODULE_LICENSE("GPL"); -- 1.6.2.1 ^ permalink raw reply related [flat|nested] 13+ messages in thread
* [PATCH 2/5] [loongson] yeeloong2f: add basic ec operations 2009-11-19 17:32 [PATCH 0/5] Lemote-2f: Add Platform Specific Support Wu Zhangjin 2009-11-19 17:33 ` [PATCH 1/5] [loongson] LynLoong2F: " Wu Zhangjin @ 2009-11-19 17:33 ` Wu Zhangjin 2009-11-19 17:34 ` [PATCH 3/5] [loongson] yeeloong2f: add LID open event as the wakeup event Wu Zhangjin ` (2 subsequent siblings) 4 siblings, 0 replies; 13+ messages in thread From: Wu Zhangjin @ 2009-11-19 17:33 UTC (permalink / raw) To: Ralf Baechle; +Cc: linux-mips, zhangfx, yanh, huhb, liujl, huangw, Wu Zhangjin YeeLoong2F has a kb3310b Embedded Controller. This patch add the basic EC operations for future relative drivers or board support. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> --- arch/mips/loongson/lemote-2f/Makefile | 2 +- arch/mips/loongson/lemote-2f/ec_kb3310b.c | 132 +++++++++++++++++++++++++++++ arch/mips/loongson/lemote-2f/ec_kb3310b.h | 47 ++++++++++ 3 files changed, 180 insertions(+), 1 deletions(-) create mode 100644 arch/mips/loongson/lemote-2f/ec_kb3310b.c create mode 100644 arch/mips/loongson/lemote-2f/ec_kb3310b.h diff --git a/arch/mips/loongson/lemote-2f/Makefile b/arch/mips/loongson/lemote-2f/Makefile index ad9e287..81a97d0 100644 --- a/arch/mips/loongson/lemote-2f/Makefile +++ b/arch/mips/loongson/lemote-2f/Makefile @@ -2,7 +2,7 @@ # Makefile for lemote loongson2f family machines # -obj-y += irq.o reset.o +obj-y += irq.o reset.o ec_kb3310b.o # # Suspend Support diff --git a/arch/mips/loongson/lemote-2f/ec_kb3310b.c b/arch/mips/loongson/lemote-2f/ec_kb3310b.c new file mode 100644 index 0000000..1ca38a8 --- /dev/null +++ b/arch/mips/loongson/lemote-2f/ec_kb3310b.c @@ -0,0 +1,132 @@ +/* + * EC(Embedded Controller) KB3310B basic support for YeeLoong2F netbook + * + * Copyright (C) 2008 Lemote Inc. + * Author: liujl <liujl@lemote.com>, 2008-04-20 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/delay.h> + +#include "ec_kb3310b.h" + +/* this spinlock is dedicated for ec_read & ec_write function */ +DEFINE_SPINLOCK(index_access_lock); +/* this spinlock is dedicated for 62&66 ports access */ +DEFINE_SPINLOCK(port_access_lock); + +/* read a byte from EC registers throught index-io */ +unsigned char ec_read(unsigned short addr) +{ + unsigned char value; + unsigned long flags; + + spin_lock_irqsave(&index_access_lock, flags); + outb((addr & 0xff00) >> 8, EC_IO_PORT_HIGH); + outb((addr & 0x00ff), EC_IO_PORT_LOW); + value = inb(EC_IO_PORT_DATA); + spin_unlock_irqrestore(&index_access_lock, flags); + + return value; +} +EXPORT_SYMBOL_GPL(ec_read); + +/* write a byte to EC registers throught index-io */ +void ec_write(unsigned short addr, unsigned char val) +{ + unsigned long flags; + + spin_lock_irqsave(&index_access_lock, flags); + outb((addr & 0xff00) >> 8, EC_IO_PORT_HIGH); + outb((addr & 0x00ff), EC_IO_PORT_LOW); + outb(val, EC_IO_PORT_DATA); + /* flush the write action */ + inb(EC_IO_PORT_DATA); + spin_unlock_irqrestore(&index_access_lock, flags); + + return; +} +EXPORT_SYMBOL_GPL(ec_write); + +/* + * this function is used for ec command writing and corresponding status query + */ +int ec_query_seq(unsigned char cmd) +{ + int timeout; + unsigned char status; + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&port_access_lock, flags); + + /* make chip goto reset mode */ + udelay(EC_REG_DELAY); + outb(cmd, EC_CMD_PORT); + udelay(EC_REG_DELAY); + + /* check if the command is received by ec */ + timeout = EC_CMD_TIMEOUT; + status = inb(EC_STS_PORT); + while (timeout-- && (status & (1 << 1))) { + status = inb(EC_STS_PORT); + udelay(EC_REG_DELAY); + } + + if (timeout <= 0) { + printk(KERN_ERR "%s: deadable error : timeout...\n", __func__); + ret = -EINVAL; + } else + printk(KERN_INFO + "(%x/%d)ec issued command %d status : 0x%x\n", + timeout, EC_CMD_TIMEOUT - timeout, cmd, status); + + spin_unlock_irqrestore(&port_access_lock, flags); + + return ret; +} +EXPORT_SYMBOL_GPL(ec_query_seq); + +/* + * using query command to ec to get the proper event number + */ +int ec_query_event_num(void) +{ + return ec_query_seq(CMD_GET_EVENT_NUM); +} +EXPORT_SYMBOL(ec_query_event_num); + +/* + * get event number from ec + * + * NOTE : this routine must follow the query_event_num function in the + * interrupt + */ +int ec_get_event_num(void) +{ + int timeout = 100; + unsigned char value; + unsigned char status; + + udelay(EC_REG_DELAY); + status = inb(EC_STS_PORT); + udelay(EC_REG_DELAY); + while (timeout-- && !(status & (1 << 0))) { + status = inb(EC_STS_PORT); + udelay(EC_REG_DELAY); + } + if (timeout <= 0) { + printk(KERN_INFO "%s: get event number timeout.\n", __func__); + return -EINVAL; + } + value = inb(EC_DAT_PORT); + udelay(EC_REG_DELAY); + + return value; +} +EXPORT_SYMBOL(ec_get_event_num); diff --git a/arch/mips/loongson/lemote-2f/ec_kb3310b.h b/arch/mips/loongson/lemote-2f/ec_kb3310b.h new file mode 100644 index 0000000..4d29953 --- /dev/null +++ b/arch/mips/loongson/lemote-2f/ec_kb3310b.h @@ -0,0 +1,47 @@ +/* + * EC(Embedded Controller) KB3310B header file + * + * Copyright (C) 2008 Lemote Inc. & Insititute of Computing Technology + * 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); + +/* + * 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 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 + +#endif /* !_EC_KB3310B_H */ -- 1.6.2.1 ^ permalink raw reply related [flat|nested] 13+ messages in thread
* [PATCH 3/5] [loongson] yeeloong2f: add LID open event as the wakeup event 2009-11-19 17:32 [PATCH 0/5] Lemote-2f: Add Platform Specific Support Wu Zhangjin 2009-11-19 17:33 ` [PATCH 1/5] [loongson] LynLoong2F: " Wu Zhangjin 2009-11-19 17:33 ` [PATCH 2/5] [loongson] yeeloong2f: add basic ec operations Wu Zhangjin @ 2009-11-19 17:34 ` Wu Zhangjin 2009-11-19 17:34 ` [PATCH 4/5] [loongson] yeeloong2f: cleanup the reset logic with ec_write function Wu Zhangjin 2009-11-19 17:39 ` [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform Wu Zhangjin 4 siblings, 0 replies; 13+ messages in thread From: Wu Zhangjin @ 2009-11-19 17:34 UTC (permalink / raw) To: Ralf Baechle; +Cc: linux-mips, zhangfx, yanh, huhb, Wu Zhangjin Yeeloong2F netbook has an embedded controller(kb3310b) to manage the LID action. when the LID is closed/opened, a relative SCI interrupt take place, and the relative event is saved to a relative EC register. This patch make the LID open action can wake up the processor from wait mode if it in the suspend mode. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> --- arch/mips/include/asm/mach-loongson/loongson.h | 1 + arch/mips/loongson/lemote-2f/irq.c | 4 +- arch/mips/loongson/lemote-2f/pm.c | 72 ++++++++++++++++++++++++ 3 files changed, 76 insertions(+), 1 deletions(-) diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h index daf7041..71ce760 100644 --- a/arch/mips/include/asm/mach-loongson/loongson.h +++ b/arch/mips/include/asm/mach-loongson/loongson.h @@ -41,6 +41,7 @@ extern void __init bonito_irq_init(void); extern void __init set_irq_trigger_mode(void); extern void __init mach_init_irq(void); extern void mach_irq_dispatch(unsigned int pending); +extern int mach_i8259_irq(void); /* We need this in some places... */ #define delay() ({ \ diff --git a/arch/mips/loongson/lemote-2f/irq.c b/arch/mips/loongson/lemote-2f/irq.c index 50e7bb6..77d32f9 100644 --- a/arch/mips/loongson/lemote-2f/irq.c +++ b/arch/mips/loongson/lemote-2f/irq.c @@ -9,6 +9,7 @@ */ #include <linux/interrupt.h> +#include <linux/module.h> #include <asm/irq_cpu.h> #include <asm/i8259.h> @@ -30,7 +31,7 @@ * The generic i8259_irq() make the kernel hang on booting. Since we cannot * get the irq via the IRR directly, we access the ISR instead. */ -static inline int mach_i8259_irq(void) +int mach_i8259_irq(void) { int irq, isr; @@ -60,6 +61,7 @@ static inline int mach_i8259_irq(void) return irq; } +EXPORT_SYMBOL(mach_i8259_irq); static void i8259_irqdispatch(void) { diff --git a/arch/mips/loongson/lemote-2f/pm.c b/arch/mips/loongson/lemote-2f/pm.c index 8090d05..7202177 100644 --- a/arch/mips/loongson/lemote-2f/pm.c +++ b/arch/mips/loongson/lemote-2f/pm.c @@ -14,6 +14,7 @@ #include <linux/interrupt.h> #include <linux/pm.h> #include <linux/i8042.h> +#include <linux/module.h> #include <asm/i8259.h> #include <asm/mipsregs.h> @@ -21,6 +22,8 @@ #include <loongson.h> +#include "ec_kb3310b.h" + #define I8042_KBD_IRQ 1 #define I8042_CTR_KBDINT 0x01 #define I8042_CTR_KBDDIS 0x10 @@ -52,6 +55,9 @@ static int i8042_enable_kbd_port(void) /* * The i8042 is connnected to i8259A */ +#define PIC_CASCADE_IR 2 /* cascade irq num of i8259A */ + +/* i8042 is connnectted to i8259A */ void setup_wakeup_events(void) { int irq_mask; @@ -65,9 +71,75 @@ void setup_wakeup_events(void) /* enable keyboard port */ i8042_enable_kbd_port(); + + /* wakeup cpu via sci with relative lid openning event */ + outb(irq_mask & ~(1 << PIC_CASCADE_IR), PIC_MASTER_IMR); + inb(PIC_MASTER_IMR); + outb(0xff & ~(1 << (SCI_IRQ_NUM - 8)), PIC_SLAVE_IMR); + inb(PIC_SLAVE_IMR); + break; default: break; } } + +static struct delayed_work lid_task; +static int initialized; +/* yeeloong_report_lid_status will be implemented in yeeloong_laptop.c */ +sci_handler yeeloong_report_lid_status; +EXPORT_SYMBOL(yeeloong_report_lid_status); +static void yeeloong_lid_update_task(struct work_struct *work) +{ + if (yeeloong_report_lid_status) + yeeloong_report_lid_status(BIT_LID_DETECT_ON); +} + +int wakeup_loongson(void) +{ + int irq; + + /* query the interrupt number */ + irq = mach_i8259_irq(); + if (irq < 0) + return 0; + + printk(KERN_INFO "irq = %d\n", irq); + + if (irq == I8042_KBD_IRQ) + return 1; + else if (irq == SCI_IRQ_NUM) { + int ret, sci_event; + /* query the event number */ + ret = ec_query_seq(CMD_GET_EVENT_NUM); + if (ret < 0) + return 0; + sci_event = ec_get_event_num(); + if (sci_event < 0) + return 0; + if (sci_event == EVENT_LID) { + int lid_status; + /* check the LID status */ + lid_status = ec_read(REG_LID_DETECT); + /* wakeup cpu when people open the LID */ + if (lid_status == BIT_LID_DETECT_ON) { + /* if we call it directly here, the WARNING + * will happen at line 98 of + * kerenl/time/timekeeping.c (getnstimeofday) + * via "WARN_ON(timekeeping_suspended);" because, + * currently, we are in the suspend status + */ + if (initialized == 0) { + /* init the rfkill work task */ + INIT_DELAYED_WORK(&lid_task, yeeloong_lid_update_task); + initialized = 1; + } + schedule_delayed_work(&lid_task, 1); + return 1; + } + } + } + + return 0; +} -- 1.6.2.1 ^ permalink raw reply related [flat|nested] 13+ messages in thread
* [PATCH 4/5] [loongson] yeeloong2f: cleanup the reset logic with ec_write function 2009-11-19 17:32 [PATCH 0/5] Lemote-2f: Add Platform Specific Support Wu Zhangjin ` (2 preceding siblings ...) 2009-11-19 17:34 ` [PATCH 3/5] [loongson] yeeloong2f: add LID open event as the wakeup event Wu Zhangjin @ 2009-11-19 17:34 ` Wu Zhangjin 2009-11-19 17:39 ` [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform Wu Zhangjin 4 siblings, 0 replies; 13+ messages in thread From: Wu Zhangjin @ 2009-11-19 17:34 UTC (permalink / raw) To: Ralf Baechle; +Cc: linux-mips, zhangfx, yanh, huhb, Wu Zhangjin A commen ec_read/ec_write function is defined in "[loongson] yeeloong2f: add basic ec operations", So, we can use it here to cleanup the reset logic of yeeloong2f netbook. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> --- arch/mips/loongson/lemote-2f/reset.c | 21 ++------------------- 1 files changed, 2 insertions(+), 19 deletions(-) diff --git a/arch/mips/loongson/lemote-2f/reset.c b/arch/mips/loongson/lemote-2f/reset.c index 44bb984..51d1a60 100644 --- a/arch/mips/loongson/lemote-2f/reset.c +++ b/arch/mips/loongson/lemote-2f/reset.c @@ -20,6 +20,7 @@ #include <loongson.h> #include <cs5536/cs5536.h> +#include "ec_kb3310b.h" static void reset_cpu(void) { @@ -75,30 +76,12 @@ static void fl2f_shutdown(void) /* reset support for yeeloong2f and mengloong2f notebook */ -/* - * 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 -#define REG_RESET_HIGH 0xF4 /* reset the machine auto-clear : rd/wr */ -#define REG_RESET_LOW 0xEC -#define BIT_RESET_ON (1 << 0) - void ml2f_reboot(void) { reset_cpu(); /* sending an reset signal to EC(embedded controller) */ - outb(REG_RESET_HIGH, EC_IO_PORT_HIGH); - outb(REG_RESET_LOW, EC_IO_PORT_LOW); - mmiowb(); - outb(BIT_RESET_ON, EC_IO_PORT_DATA); - mmiowb(); + ec_write(REG_RESET, BIT_RESET_ON); } #define yl2f89_reboot ml2f_reboot -- 1.6.2.1 ^ permalink raw reply related [flat|nested] 13+ messages in thread
* [PATCH 5/5] [loongson] yeeloong2f: add platform specific support 2009-11-19 17:32 [PATCH 0/5] Lemote-2f: Add Platform Specific Support Wu Zhangjin @ 2009-11-19 17:39 ` Wu Zhangjin 2009-11-19 17:33 ` [PATCH 2/5] [loongson] yeeloong2f: add basic ec operations Wu Zhangjin ` (3 subsequent siblings) 4 siblings, 0 replies; 13+ messages in thread From: Wu Zhangjin @ 2009-11-19 17:39 UTC (permalink / raw) To: Ralf Baechle Cc: linux-mips, zhangfx, yanh, huhb, Richard Purdie, lm-sensors, Jamey Hicks, Wu Zhangjin This patch added the following subdrivers: backlight, hotkey, video output, thermal cooling, hwmon and battery. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> --- arch/mips/kernel/setup.c | 1 + arch/mips/loongson/Kconfig | 18 + arch/mips/loongson/lemote-2f/Makefile | 1 + arch/mips/loongson/lemote-2f/ec_kb3310b.h | 150 +++ arch/mips/loongson/lemote-2f/yeeloong_laptop.c | 1354 ++++++++++++++++++++++++ 5 files changed, 1524 insertions(+), 0 deletions(-) create mode 100644 arch/mips/loongson/lemote-2f/yeeloong_laptop.c diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index bd55f71..b1e1272 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -60,6 +60,7 @@ struct boot_mem_map boot_mem_map; static char command_line[COMMAND_LINE_SIZE]; char arcs_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE; +EXPORT_SYMBOL(arcs_cmdline); /* * mips_io_port_base is the begin of the address space to which x86 style diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig index 1041336..34a94b0 100644 --- a/arch/mips/loongson/Kconfig +++ b/arch/mips/loongson/Kconfig @@ -112,4 +112,22 @@ config LEMOTE_LYNLOONG2F_PDEV This driver adds the lynloong specific backlight driver and platform driver(mainly the suspend support). +config LEMOTE_YEELOONG2F_PDEV + tristate "Lemote YeeLoong Platform Specific Driver" + depends on LEMOTE_MACH2F + default m + select INPUT_EVDEV + select HWMON + select VIDEO_OUTPUT_CONTROL + select THERMAL + select BACKLIGHT_CLASS_DEVICE + select SYS_SUPPORTS_APM_EMULATION + 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. + + This driver adds the YeeLoong Platform Specific support. + endif # LOONGSON_PLATFORM_DEVICES diff --git a/arch/mips/loongson/lemote-2f/Makefile b/arch/mips/loongson/lemote-2f/Makefile index 81a97d0..4e8bf5d 100644 --- a/arch/mips/loongson/lemote-2f/Makefile +++ b/arch/mips/loongson/lemote-2f/Makefile @@ -14,3 +14,4 @@ obj-$(CONFIG_LOONGSON_SUSPEND) += pm.o # Platform Drivers # obj-$(CONFIG_LEMOTE_LYNLOONG2F_PDEV) += lynloong_pc.o +obj-$(CONFIG_LEMOTE_YEELOONG2F_PDEV) += yeeloong_laptop.o diff --git a/arch/mips/loongson/lemote-2f/ec_kb3310b.h b/arch/mips/loongson/lemote-2f/ec_kb3310b.h index 4d29953..00530e3 100644 --- a/arch/mips/loongson/lemote-2f/ec_kb3310b.h +++ b/arch/mips/loongson/lemote-2f/ec_kb3310b.h @@ -19,6 +19,13 @@ 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; +extern int yeeloong_install_sci_handler(int event, sci_handler handler); +extern int yeeloong_uninstall_sci_handler(int event, sci_handler handler); + +#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. @@ -44,4 +51,147 @@ extern int ec_get_event_num(void); #define CMD_GET_EVENT_NUM 0x84 #define CMD_PROGRAM_PIECE 0xda +/* temperature & fan registers */ +#define REG_TEMPERATURE_VALUE 0xF458 /* current temperature value */ +#define REG_FAN_AUTO_MAN_SWITCH 0xF459 /* fan auto/manual control switch */ +#define BIT_FAN_AUTO 0 +#define BIT_FAN_MANUAL 1 +#define REG_FAN_CONTROL 0xF4D2 /* fan control */ +#define BIT_FAN_CONTROL_ON (1 << 0) +#define BIT_FAN_CONTROL_OFF (0 << 0) +#define REG_FAN_STATUS 0xF4DA /* fan status */ +#define BIT_FAN_STATUS_ON (1 << 0) +#define BIT_FAN_STATUS_OFF (0 << 0) +#define REG_FAN_SPEED_HIGH 0xFE22 /* fan speed high byte */ +#define REG_FAN_SPEED_LOW 0xFE23 /* fan speed low byte */ +#define REG_FAN_SPEED_LEVEL 0xF4CC /* fan speed level, from 1 to 5 */ +/* 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 /* volume level */ +#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 +#define BIT_RESET_OFF 0 +/* 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, /* press the lid or not */ + 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 is on or off */ + EVENT_USB_OC2, /* USB2 Over Current occurred */ + EVENT_USB_OC0, /* USB0 Over Current occurred */ + EVENT_BLACK_SCREEN, /* Black screen is on or off */ + EVENT_AUDIO_MUTE, /* Mute is on or off */ + EVENT_DISPLAY_BRIGHTNESS,/* LCD backlight brightness adjust */ + EVENT_AC_BAT, /* ac & battery relative issue */ + EVENT_AUDIO_VOLUME, /* Volume adjust */ + EVENT_WLAN, /* Wlan is on or off */ + EVENT_END +}; + +enum { + BIT_AC_BAT_BAT_IN = 0, + BIT_AC_BAT_AC_IN, + BIT_AC_BAT_INIT_CAP, + BIT_AC_BAT_CHARGE_MODE, + BIT_AC_BAT_STOP_CHARGE, + BIT_AC_BAT_BAT_LOW, + BIT_AC_BAT_BAT_FULL +}; + #endif /* !_EC_KB3310B_H */ diff --git a/arch/mips/loongson/lemote-2f/yeeloong_laptop.c b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c new file mode 100644 index 0000000..ff74f7f --- /dev/null +++ b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c @@ -0,0 +1,1354 @@ +/* + * Driver for YeeLoong laptop extras + * + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin <wuzj@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/module.h> +#include <linux/backlight.h> +#include <linux/err.h> +#include <linux/fb.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/video_output.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/thermal.h> +#include <linux/apm-emulation.h> + +#include <asm/bootinfo.h> /* for arcs_cmdline */ + +#include <loongson.h> + +#include <cs5536/cs5536.h> +#include "ec_kb3310b.h" + +#define DRIVER_VERSION "0.1" + +/* 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; + + if (level > MAX_BRIGHTNESS) + level = MAX_BRIGHTNESS; + else if (level < 0) + level = 0; + + /* avoid tune the brightness when the EC is tuning it */ + current_level = ec_read(REG_DISPLAY_BRIGHTNESS); + if ((old_level == current_level) && (old_level != level)) + ec_write(REG_DISPLAY_BRIGHTNESS, level); + old_level = level; + + return 0; +} + +static int yeeloong_get_brightness(struct backlight_device *bd) +{ + return (int)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(struct device *dev) +{ + int ret; + + yeeloong_backlight_dev = backlight_device_register("backlight0", dev, + NULL, &backlight_ops); + + if (IS_ERR(yeeloong_backlight_dev)) { + ret = PTR_ERR(yeeloong_backlight_dev); + yeeloong_backlight_dev = NULL; + return ret; + } + + yeeloong_backlight_dev->props.max_brightness = MAX_BRIGHTNESS; + 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; + } +} + +/* hwmon subdriver */ + +/* pwm(auto/manual) enable or not */ +static int get_fan_pwm_enable(void) +{ + /* This get the fan control method: auto or manual */ + return ec_read(REG_FAN_AUTO_MAN_SWITCH); +} + +static void set_fan_pwm_enable(int manual) +{ + ec_write(REG_FAN_AUTO_MAN_SWITCH, !!manual); +} + +static int get_fan_pwm(void) +{ + /* fan speed level */ + return ec_read(REG_FAN_SPEED_LEVEL); +} + +static void set_fan_pwm(int value) +{ + int status; + + value = SENSORS_LIMIT(value, 0, 3); + + /* if value is not ZERO, we should ensure it is on */ + if (value != 0) { + status = ec_read(REG_FAN_STATUS); + if (status == 0) + ec_write(REG_FAN_CONTROL, BIT_FAN_CONTROL_ON); + } + /* 0xf4cc is for writing */ + ec_write(REG_FAN_SPEED_LEVEL, value); +} + +static int get_fan_rpm(void) +{ + int value = 0; + + 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) +{ + int value; + + value = ec_read(REG_TEMPERATURE_VALUE); + + if (value & (1 << 7)) + value = (value & 0x7f) - 128; + else + value = value & 0xff; + + return value * 1000; +} + +static int get_battery_temp(void) +{ + int value; + + value = (ec_read(REG_BAT_TEMPERATURE_HIGH) << 8) | + (ec_read(REG_BAT_TEMPERATURE_LOW)); + + return value * 1000; +} + +static int get_battery_current(void) +{ + int value; + + value = (ec_read(REG_BAT_CURRENT_HIGH) << 8) | + (ec_read(REG_BAT_CURRENT_LOW)); + + if (value & 0x8000) + value = 0xffff - value; + + return value; +} + +static int get_battery_voltage(void) +{ + int value; + + value = (ec_read(REG_BAT_VOLTAGE_HIGH) << 8) | + (ec_read(REG_BAT_VOLTAGE_LOW)); + + return value; +} + + +static int parse_arg(const char *buf, unsigned long count, int *val) +{ + if (!count) + return 0; + if (sscanf(buf, "%i", val) != 1) + return -EINVAL; + return count; +} + +static ssize_t store_sys_hwmon(void (*set) (int), const char *buf, size_t count) +{ + int rv, value; + + rv = parse_arg(buf, count, &value); + if (rv > 0) + set(value); + return rv; +} + +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(temp2_input, S_IRUGO, get_battery_temp, 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_temp2_input.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 +}; + +struct device *yeeloong_hwmon_dev; + +static int yeeloong_hwmon_init(struct device *dev) +{ + int ret; + + yeeloong_hwmon_dev = hwmon_device_register(dev); + if (IS_ERR(yeeloong_hwmon_dev)) { + printk(KERN_INFO "Could not 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) { + sysfs_remove_group(&yeeloong_hwmon_dev->kobj, + &hwmon_attribute_group); + hwmon_device_unregister(yeeloong_hwmon_dev); + yeeloong_hwmon_dev = NULL; + } + /* ensure fan is set to auto mode */ + set_fan_pwm_enable(BIT_FAN_AUTO); + + 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); +} + +static int lcd_video_output_set(struct output_device *od) +{ + unsigned long status = od->request_state; + int value; + + if (status == BIT_DISPLAY_LCD_ON) { + /* open LCD */ + outb(0x31, 0x3c4); + value = inb(0x3c5); + value = (value & 0xf8) | 0x03; + outb(0x31, 0x3c4); + outb(value, 0x3c5); + /* open backlight */ + ec_write(REG_BACKLIGHT_CTRL, BIT_BACKLIGHT_ON); + } else { + /* close backlight */ + ec_write(REG_BACKLIGHT_CTRL, BIT_BACKLIGHT_OFF); + /* close LCD */ + outb(0x31, 0x3c4); + value = inb(0x3c5); + value = (value & 0xf8) | 0x02; + outb(0x31, 0x3c4); + outb(value, 0x3c5); + } + + 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 = od->request_state; + int value; + + if (status == BIT_CRT_DETECT_PLUG) { + if (ec_read(REG_CRT_DETECT) == BIT_CRT_DETECT_PLUG) { + /* open CRT */ + outb(0x21, 0x3c4); + value = inb(0x3c5); + value &= ~(1 << 7); + outb(0x21, 0x3c4); + outb(value, 0x3c5); + } + } else { + /* close CRT */ + outb(0x21, 0x3c4); + value = inb(0x3c5); + value |= (1 << 7); + outb(0x21, 0x3c4); + outb(value, 0x3c5); + } + + return 0; +} + +static struct output_properties crt_output_properties = { + .set_state = crt_video_output_set, + .get_status = crt_video_output_get, +}; + +struct output_device *lcd_output_dev, *crt_output_dev; + +static void lcd_vo_set(int status) +{ + lcd_output_dev->request_state = status; + lcd_video_output_set(lcd_output_dev); +} + +static void crt_vo_set(int status) +{ + crt_output_dev->request_state = status; + crt_video_output_set(crt_output_dev); +} + +static int crt_detect_handler(int status) +{ + if (status == BIT_CRT_DETECT_PLUG) { + crt_vo_set(BIT_CRT_DETECT_PLUG); + lcd_vo_set(BIT_DISPLAY_LCD_OFF); + } else { + lcd_vo_set(BIT_DISPLAY_LCD_ON); + crt_vo_set(BIT_CRT_DETECT_UNPLUG); + } + return status; +} + +static int black_screen_handler(int status) +{ + char *p = NULL, *ec_ver = NULL; + + ec_ver = strstr(arcs_cmdline, "EC_VER="); + if (ec_ver) { + p = strstr(ec_ver, " "); + if (p) + *p = '\0'; + } + + /* Seems EC(>=PQ1D26) does this job for us, we can not do it again, + * otherwise, the brightness will not resume! */ + if ((ec_ver == NULL) || strncasecmp(ec_ver, "EC_VER=PQ1D26", 64) < 0) + lcd_vo_set(status); + + return status; +} + +static int display_toggle_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: + lcd_vo_set(BIT_DISPLAY_LCD_ON); + crt_vo_set(BIT_CRT_DETECT_PLUG); + break; + case 2: + lcd_vo_set(BIT_DISPLAY_LCD_OFF); + crt_vo_set(BIT_CRT_DETECT_PLUG); + break; + case 3: + lcd_vo_set(BIT_DISPLAY_LCD_OFF); + crt_vo_set(BIT_CRT_DETECT_UNPLUG); + break; + case 4: + lcd_vo_set(BIT_DISPLAY_LCD_ON); + crt_vo_set(BIT_CRT_DETECT_UNPLUG); + break; + default: + /* ensure LCD is on */ + lcd_vo_set(BIT_DISPLAY_LCD_ON); + break; + } + return video_output_status; +} + +static int yeeloong_vo_init(struct device *dev) +{ + int ret; + + /* register video output device: lcd, crt */ + lcd_output_dev = video_output_register("LCD", dev, 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 */ + lcd_vo_set(1); + + crt_output_dev = video_output_register("CRT", dev, NULL, + &crt_output_properties); + + if (IS_ERR(crt_output_dev)) { + ret = PTR_ERR(crt_output_dev); + crt_output_dev = NULL; + return ret; + } + /* close CRT by default, and will be enabled + * when the CRT connectting event reported by SCI */ + crt_vo_set(0); + + /* install event handlers */ + yeeloong_install_sci_handler(EVENT_CRT_DETECT, + crt_detect_handler); + yeeloong_install_sci_handler(EVENT_BLACK_SCREEN, + black_screen_handler); + yeeloong_install_sci_handler(EVENT_DISPLAY_TOGGLE, + display_toggle_handler); + + return 0; +} + +static void yeeloong_vo_exit(void) +{ + /* uninstall event handlers */ + yeeloong_uninstall_sci_handler(EVENT_CRT_DETECT, + crt_detect_handler); + yeeloong_uninstall_sci_handler(EVENT_BLACK_SCREEN, + black_screen_handler); + yeeloong_uninstall_sci_handler(EVENT_DISPLAY_TOGGLE, + display_toggle_handler); + + 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; + } +} + +/* Thermal cooling devices subdriver */ + +static int video_get_max_state(struct thermal_cooling_device *cdev, unsigned + long *state) +{ + *state = MAX_BRIGHTNESS; + return 0; +} + +static int video_get_cur_state(struct thermal_cooling_device *cdev, unsigned + long *state) +{ + static struct backlight_device *bd; + + bd = (struct backlight_device *)cdev->devdata; + + *state = yeeloong_get_brightness(bd); + + return 0; +} + +static int video_set_cur_state(struct thermal_cooling_device *cdev, unsigned + long state) +{ + static struct backlight_device *bd; + + bd = (struct backlight_device *)cdev->devdata; + + yeeloong_backlight_dev->props.brightness = state; + backlight_update_status(bd); + + return 0; +} + +static struct thermal_cooling_device_ops video_cooling_ops = { + .get_max_state = video_get_max_state, + .get_cur_state = video_get_cur_state, + .set_cur_state = video_set_cur_state, +}; + +static struct thermal_cooling_device *yeeloong_thermal_cdev; + +/* TODO: register fan, cpu as the cooling devices */ +static int yeeloong_thermal_init(struct device *dev) +{ + int ret; + + if (!dev) + return -1; + + yeeloong_thermal_cdev = thermal_cooling_device_register("LCD", dev, + &video_cooling_ops); + + if (IS_ERR(yeeloong_thermal_cdev)) { + ret = PTR_ERR(yeeloong_thermal_cdev); + return ret; + } + + ret = sysfs_create_link(&dev->kobj, + &yeeloong_thermal_cdev->device.kobj, + "thermal_cooling"); + if (ret) { + printk(KERN_ERR "Create sysfs link\n"); + return ret; + } + ret = sysfs_create_link(&yeeloong_thermal_cdev->device.kobj, + &dev->kobj, "device"); + if (ret) { + printk(KERN_ERR "Create sysfs link\n"); + return ret; + } + + return 0; +} + +static void yeeloong_thermal_exit(struct device *dev) +{ + if (yeeloong_thermal_cdev) { + if (dev) + sysfs_remove_link(&dev->kobj, "thermal_cooling"); + sysfs_remove_link(&yeeloong_thermal_cdev->device.kobj, + "device"); + thermal_cooling_device_unregister(yeeloong_thermal_cdev); + yeeloong_thermal_cdev = NULL; + } +} + +/* hotkey input subdriver */ + +static struct input_dev *yeeloong_hotkey_dev; +static int event, status; + +struct key_entry { + char type; /* See KE_* below */ + int event; /* event from SCI */ + u16 keycode; /* KEY_* or SW_* */ +}; + +enum { KE_KEY, KE_SW, KE_END }; + +static struct key_entry yeeloong_keymap[] = { + {KE_SW, EVENT_LID, SW_LID}, + /* SW_VIDEOOUT_INSERT? not included in hald-addon-input! */ + {KE_KEY, EVENT_CRT_DETECT, KEY_PROG1}, + /* Seems battery subdriver should report it */ + {KE_KEY, EVENT_OVERTEMP, KEY_PROG2}, + /*{KE_KEY, EVENT_AC_BAT, KEY_BATTERY},*/ + {KE_KEY, EVENT_CAMERA, KEY_CAMERA}, /* Fn + ESC */ + {KE_KEY, EVENT_SLEEP, KEY_SLEEP}, /* Fn + F1 */ + /* Seems not clear? not included in hald-addon-input! */ + {KE_KEY, EVENT_BLACK_SCREEN, KEY_PROG3}, /* Fn + F2 */ + {KE_KEY, EVENT_DISPLAY_TOGGLE, 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 int yeeloong_lid_update_status(int status) +{ + input_report_switch(yeeloong_hotkey_dev, SW_LID, !status); + input_sync(yeeloong_hotkey_dev); + + return status; +} + +static void yeeloong_hotkey_update_status(int key) +{ + input_report_key(yeeloong_hotkey_dev, key, 1); + input_sync(yeeloong_hotkey_dev); + input_report_key(yeeloong_hotkey_dev, key, 0); + input_sync(yeeloong_hotkey_dev); +} + +static int get_event_keycode(void) +{ + struct key_entry *key; + + for (key = yeeloong_keymap; key->type != KE_END; key++) { + if (key->event != event) + continue; + else { + if (EVENT_DISPLAY_BRIGHTNESS == event) { + static int old_brightness_status = -1; + /* current status > old one, means up */ + if ((status < old_brightness_status) + || (0 == status)) + key++; + old_brightness_status = status; + } else if (EVENT_AUDIO_VOLUME == event) { + static int old_volume_status = -1; + if ((status < old_volume_status) + || (0 == status)) + key++; + old_volume_status = status; + } + break; + } + } + return key->keycode; +} + +void yeeloong_report_key(void) +{ + int keycode; + + keycode = get_event_keycode(); + + if (keycode == SW_LID) + yeeloong_lid_update_status(status); + else + yeeloong_hotkey_update_status(keycode); +} + +enum { NO_REG, MUL_REG, REG_END }; + +int event_reg[15] = { + REG_LID_DETECT, /* press the lid or not */ + NO_REG, /* Fn+F3 for display switch */ + NO_REG, /* Fn+F1 for entering sleep mode */ + MUL_REG, /* Over-temperature happened */ + REG_CRT_DETECT, /* CRT is connected */ + REG_CAMERA_STATUS, /* Camera is on or off */ + REG_USB2_FLAG, /* USB2 Over Current occurred */ + REG_USB0_FLAG, /* USB0 Over Current occurred */ + REG_DISPLAY_LCD, /* Black screen is on or off */ + REG_AUDIO_MUTE, /* Mute is on or off */ + REG_DISPLAY_BRIGHTNESS, /* LCD backlight brightness adjust */ + NO_REG, /* ac & battery relative issue */ + REG_AUDIO_VOLUME, /* Volume adjust */ + REG_WLAN, /* Wlan is on or off */ + REG_END +}; + +static int ec_get_event_status(void) +{ + int reg; + + reg = event_reg[event - EVENT_LID]; + + if (reg == NO_REG) + return 1; + else if (reg == MUL_REG) { + if (event == EVENT_OVERTEMP) { + return (ec_read(REG_BAT_CHARGE_STATUS) & + BIT_BAT_CHARGE_STATUS_OVERTEMP) >> 2; + } + } else if (reg != REG_END) + return ec_read(reg); + + return -1; +} + +static sci_handler event_handler[15]; + +int yeeloong_install_sci_handler(int event, sci_handler handler) +{ + if (event_handler[event - EVENT_LID] != NULL) { + printk(KERN_INFO "There is a handler installed for event: %d\n", + event); + return -1; + } + event_handler[event - EVENT_LID] = handler; + + return 0; +} +EXPORT_SYMBOL(yeeloong_install_sci_handler); + +int yeeloong_uninstall_sci_handler(int event, sci_handler handler) +{ + if (event_handler[event - EVENT_LID] == NULL) { + printk(KERN_INFO "There is no handler installed for event: %d\n", + event); + return -1; + } + if (event_handler[event - EVENT_LID] != handler) { + printk(KERN_INFO "You can not uninstall the handler installed by others\n"); + return -1; + } + event_handler[event - EVENT_LID] = NULL; + + return 0; +} +EXPORT_SYMBOL(yeeloong_uninstall_sci_handler); + +static void yeeloong_event_action(void) +{ + sci_handler handler; + + handler = event_handler[event - EVENT_LID]; + + if (handler == NULL) + return; + + if (event == EVENT_CAMERA) + status = handler(3); + else + status = handler(status); +} + +/* + * sci 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; + + if (SCI_IRQ_NUM != irq) { + printk(KERN_ERR "%s: spurious irq.\n", __func__); + return IRQ_NONE; + } + + /* query the event number */ + ret = ec_query_event_num(); + if (ret < 0) { + printk(KERN_ERR "%s: return: %d\n", __func__, ret); + return IRQ_NONE; + } + + event = ec_get_event_num(); + if (event < 0) { + printk(KERN_ERR "%s: return: %d\n", __func__, event); + return IRQ_NONE; + } + + printk(KERN_INFO "sci event number: 0x%x\n", event); + + /* parse the event number and wake the queue */ + if ((event != 0x00) && (event != 0xff)) { + /* get status of current event */ + status = ec_get_event_status(); + printk(KERN_INFO "%s: status: %d\n", __func__, status); + if (status == -1) + return IRQ_NONE; + /* execute relative actions */ + yeeloong_event_action(); + /* report current key */ + yeeloong_report_key(); + } + return IRQ_HANDLED; +} + +/* + * config and init some msr and gpio register properly. + */ +static int sci_irq_init(void) +{ + u32 hi, lo; + u32 gpio_base; + int ret = 0; + unsigned long flags; + + /* 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) { + printk(KERN_ERR "%s: failed.\n", __func__); + 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; +} + +struct irqaction sci_irqaction = { + .handler = sci_irq_handler, + .name = "sci", + .flags = IRQF_SHARED, +}; + +static int setup_sci(void) +{ + sci_irq_init(); + + setup_irq(SCI_IRQ_NUM, &sci_irqaction); + + return 0; +} + +static ssize_t +ignore_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + return count; +} + +static ssize_t +show_hotkeystate(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d %d\n", event, status); +} + +static DEVICE_ATTR(state, 0444, show_hotkeystate, ignore_store); + +static struct attribute *hotkey_attributes[] = { + &dev_attr_state.attr, + NULL +}; + +static struct attribute_group hotkey_attribute_group = { + .attrs = hotkey_attributes +}; + +static int camera_set(int status) +{ + int value; + static int camera_status; + + if (status == 2) + /* resume the old camera status */ + camera_set(camera_status); + else if (status == 3) { + /* revert the camera status */ + value = ec_read(REG_CAMERA_CONTROL); + ec_write(REG_CAMERA_CONTROL, value | (1 << 1)); + } else { /* status == 0 or status == 1 */ + status = !!status; + camera_status = ec_read(REG_CAMERA_STATUS); + if (status != camera_status) + camera_set(3); + } + return ec_read(REG_CAMERA_STATUS); +} + +#define I8042_STATUS_REG 0x64 +#define I8042_DATA_REG 0x60 +#define i8042_read_status() inb(I8042_STATUS_REG) +#define i8042_read_data() inb(I8042_DATA_REG) +#define I8042_STR_OBF 0x01 +#define I8042_BUFFER_SIZE 16 + +static void i8042_flush(void) +{ + int i; + + while ((i8042_read_status() & I8042_STR_OBF) + && (i < I8042_BUFFER_SIZE)) { + udelay(50); + i8042_read_data(); + i++; + } +} + +static int yeeloong_hotkey_init(struct device *dev) +{ + int ret; + struct key_entry *key; + + /* flush the buffer of keyboard */ + i8042_flush(); + + /* setup the system control interface */ + setup_sci(); + + yeeloong_hotkey_dev = input_allocate_device(); + + if (!yeeloong_hotkey_dev) + 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 = dev; + + for (key = yeeloong_keymap; key->type != KE_END; key++) { + switch (key->type) { + case KE_KEY: + set_bit(EV_KEY, yeeloong_hotkey_dev->evbit); + set_bit(key->keycode, yeeloong_hotkey_dev->keybit); + break; + case KE_SW: + set_bit(EV_SW, yeeloong_hotkey_dev->evbit); + set_bit(key->keycode, yeeloong_hotkey_dev->swbit); + break; + } + } + + ret = input_register_device(yeeloong_hotkey_dev); + if (ret) { + input_free_device(yeeloong_hotkey_dev); + return ret; + } + + ret = sysfs_create_group(&yeeloong_hotkey_dev->dev.kobj, + &hotkey_attribute_group); + if (ret) { + sysfs_remove_group(&yeeloong_hotkey_dev->dev.kobj, + &hotkey_attribute_group); + input_unregister_device(yeeloong_hotkey_dev); + yeeloong_hotkey_dev = NULL; + } + /* update the current status of lid */ + yeeloong_lid_update_status(BIT_LID_DETECT_ON); + + /* install the real yeeloong_report_lid_status for pm.c */ + yeeloong_report_lid_status = yeeloong_lid_update_status; + + /* install event handler */ + yeeloong_install_sci_handler(EVENT_CAMERA, camera_set); + + return 0; +} + +static void yeeloong_hotkey_exit(void) +{ + /* free irq */ + remove_irq(SCI_IRQ_NUM, &sci_irqaction); + + /* uninstall the real yeeloong_report_lid_status for pm.c */ + yeeloong_report_lid_status = NULL; + + /* uninstall event handler */ + yeeloong_uninstall_sci_handler(EVENT_CAMERA, camera_set); + + if (yeeloong_hotkey_dev) { + sysfs_remove_group(&yeeloong_hotkey_dev->dev.kobj, + &hotkey_attribute_group); + input_unregister_device(yeeloong_hotkey_dev); + yeeloong_hotkey_dev = NULL; + } +} + +/* battery subdriver: APM emulated support */ + +static void get_fixed_battery_info(void) +{ + int design_cap, full_charged_cap, design_vol, vendor, cell_count; + + design_cap = (ec_read(REG_BAT_DESIGN_CAP_HIGH) << 8) + | ec_read(REG_BAT_DESIGN_CAP_LOW); + full_charged_cap = (ec_read(REG_BAT_FULLCHG_CAP_HIGH) << 8) + | ec_read(REG_BAT_FULLCHG_CAP_LOW); + design_vol = (ec_read(REG_BAT_DESIGN_VOL_HIGH) << 8) + | ec_read(REG_BAT_DESIGN_VOL_LOW); + vendor = ec_read(REG_BAT_VENDOR); + cell_count = ec_read(REG_BAT_CELL_COUNT); + + if (vendor != 0) { + printk(KERN_INFO + "battery vendor(%s), cells count(%d), " + "with designed capacity(%d),designed voltage(%d)," + " full charged capacity(%d)\n", + (vendor == + FLAG_BAT_VENDOR_SANYO) ? "SANYO" : "SIMPLO", + (cell_count == FLAG_BAT_CELL_3S1P) ? 3 : 6, + design_cap, design_vol, + full_charged_cap); + } +} + +#define APM_CRITICAL 5 + +static void yeeloong_apm_get_power_status(struct apm_power_info *info) +{ + unsigned char bat_status; + + info->battery_status = APM_BATTERY_STATUS_UNKNOWN; + info->battery_flag = APM_BATTERY_FLAG_UNKNOWN; + info->units = APM_UNITS_MINS; + + info->battery_life = (ec_read(REG_BAT_RELATIVE_CAP_HIGH) << 8) | + (ec_read(REG_BAT_RELATIVE_CAP_LOW)); + + info->ac_line_status = (ec_read(REG_BAT_POWER) & BIT_BAT_POWER_ACIN) ? + APM_AC_ONLINE : APM_AC_OFFLINE; + + bat_status = ec_read(REG_BAT_STATUS); + + if (!(bat_status & BIT_BAT_STATUS_IN)) { + /* no battery inserted */ + info->battery_status = APM_BATTERY_STATUS_NOT_PRESENT; + info->battery_flag = APM_BATTERY_FLAG_NOT_PRESENT; + info->time = 0x00; + return; + } + + /* adapter inserted */ + if (info->ac_line_status == APM_AC_ONLINE) { + if (!(bat_status & BIT_BAT_STATUS_FULL)) { + /* battery is not fully charged */ + info->battery_status = APM_BATTERY_STATUS_CHARGING; + info->battery_flag = APM_BATTERY_FLAG_CHARGING; + } else { + /* if the battery is fully charged */ + info->battery_status = APM_BATTERY_STATUS_HIGH; + info->battery_flag = APM_BATTERY_FLAG_HIGH; + info->battery_life = 100; + } + } else { + /* battery is too low */ + if (bat_status & BIT_BAT_STATUS_LOW) { + info->battery_status = APM_BATTERY_STATUS_LOW; + info->battery_flag = APM_BATTERY_FLAG_LOW; + if (info->battery_life <= APM_CRITICAL) { + /* we should power off the system now */ + info->battery_status = + APM_BATTERY_STATUS_CRITICAL; + info->battery_flag = APM_BATTERY_FLAG_CRITICAL; + } + } else { + /* assume the battery is high enough. */ + info->battery_status = APM_BATTERY_STATUS_HIGH; + info->battery_flag = APM_BATTERY_FLAG_HIGH; + } + } + info->time = ((info->battery_life - 3) * 54 + 142) / 60; +} + +static int yeeloong_apm_init(void) +{ + /* print fixed information of battery */ + get_fixed_battery_info(); + + apm_get_power_status = yeeloong_apm_get_power_status; + + return 0; +} + +static void yeeloong_apm_exit(void) +{ +} + +/* platform subdriver */ +static struct platform_device *yeeloong_pdev; + +static void __maybe_unused 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 __maybe_unused yeeloong_suspend(struct platform_device *pdev, + pm_message_t state) +{ + printk(KERN_INFO "yeeloong specific suspend\n"); + + /* close LCD */ + lcd_vo_set(BIT_DISPLAY_LCD_OFF); + /* close CRT */ + crt_vo_set(BIT_CRT_DETECT_UNPLUG); + /* power off camera */ + camera_set(BIT_CAMERA_CONTROL_OFF); + /* poweroff three usb ports */ + usb_ports_set(BIT_USB_FLAG_OFF); + /* minimize the speed of FAN */ + set_fan_pwm_enable(BIT_FAN_MANUAL); + set_fan_pwm(1); + + return 0; +} + +static int __maybe_unused yeeloong_resume(struct platform_device *pdev) +{ + printk(KERN_INFO "yeeloong specific resume\n"); + + /* resume the status of lcd & crt */ + lcd_vo_set(BIT_DISPLAY_LCD_ON); + crt_vo_set(BIT_CRT_DETECT_PLUG); + + /* power on three usb ports */ + usb_ports_set(BIT_USB_FLAG_ON); + + /* resume the camera status */ + camera_set(2); + + /* resume fan to auto mode */ + set_fan_pwm_enable(BIT_FAN_AUTO); + + return 0; +} + +static struct platform_driver platform_driver = { + .driver = { + .name = "yeeloong-laptop", + .owner = THIS_MODULE, + }, +#ifdef CONFIG_PM + .suspend = yeeloong_suspend, + .resume = yeeloong_resume, +#endif +}; + +static ssize_t yeeloong_pdev_name_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "yeeloong laptop\n"); +} + +static struct device_attribute dev_attr_yeeloong_pdev_name = +__ATTR(name, S_IRUGO, yeeloong_pdev_name_show, NULL); + +static int yeeloong_pdev_init(void) +{ + int ret; + + /* Register platform stuff */ + ret = platform_driver_register(&platform_driver); + if (ret) + return ret; + + yeeloong_pdev = platform_device_alloc("yeeloong-laptop", -1); + if (!yeeloong_pdev) { + ret = -ENOMEM; + platform_driver_unregister(&platform_driver); + return ret; + } + + ret = platform_device_add(yeeloong_pdev); + if (ret) { + platform_device_put(yeeloong_pdev); + return ret; + } + + if (IS_ERR(yeeloong_pdev)) { + ret = PTR_ERR(yeeloong_pdev); + yeeloong_pdev = NULL; + printk(KERN_INFO "unable to register platform device\n"); + return ret; + } + + ret = device_create_file(&yeeloong_pdev->dev, + &dev_attr_yeeloong_pdev_name); + if (ret) { + printk(KERN_INFO "unable to create sysfs device attributes\n"); + return ret; + } + + return 0; +} + +static void yeeloong_pdev_exit(void) +{ + if (yeeloong_pdev) { + platform_device_unregister(yeeloong_pdev); + yeeloong_pdev = NULL; + platform_driver_unregister(&platform_driver); + } +} + +static int __init yeeloong_init(void) +{ + int ret; + + if (mips_machtype != MACH_LEMOTE_YL2F89) { + printk(KERN_INFO "This Driver is for YeeLoong netbook, You" + "can not use it on the other Machines\n"); + return -EFAULT; + } + + printk(KERN_INFO "YeeLoong Platform Specific Drivers %s loaded\n", + DRIVER_VERSION); + + ret = yeeloong_pdev_init(); + if (ret) { + yeeloong_pdev_exit(); + printk(KERN_INFO "init yeeloong platform driver failure\n"); + return ret; + } + ret = yeeloong_hotkey_init(&yeeloong_pdev->dev); + if (ret) { + yeeloong_hotkey_exit(); + printk(KERN_INFO "init yeeloong hotkey driver failure\n"); + return ret; + } + ret = yeeloong_apm_init(); + if (ret) { + yeeloong_apm_exit(); + printk(KERN_INFO "init yeeloong apm driver failure\n"); + return ret; + } + ret = yeeloong_backlight_init(&yeeloong_pdev->dev); + if (ret) { + yeeloong_backlight_exit(); + printk(KERN_INFO "init yeeloong backlight driver failure\n"); + return ret; + } + ret = yeeloong_thermal_init(&yeeloong_backlight_dev->dev); + if (ret) { + yeeloong_thermal_exit(&yeeloong_backlight_dev->dev); + printk(KERN_INFO + "Fail to init yeeloong thermal cooling device.\n"); + return ret; + } + ret = yeeloong_hwmon_init(&yeeloong_pdev->dev); + if (ret) { + yeeloong_hwmon_exit(); + printk(KERN_INFO "init yeeloong hwmon driver failure\n"); + return ret; + } + ret = yeeloong_vo_init(&yeeloong_pdev->dev); + if (ret) { + yeeloong_vo_exit(); + printk(KERN_INFO "init yeeloong video output driver failure\n"); + return ret; + } + return 0; +} + +static void __exit yeeloong_exit(void) +{ + yeeloong_vo_exit(); + yeeloong_hwmon_exit(); + yeeloong_thermal_exit(&yeeloong_backlight_dev->dev); + yeeloong_backlight_exit(); + yeeloong_apm_exit(); + yeeloong_hotkey_exit(); + yeeloong_pdev_exit(); + + printk(KERN_INFO "YeeLoong Platform Specific Drivers %s unloaded\n", + DRIVER_VERSION); +} + +module_init(yeeloong_init); +module_exit(yeeloong_exit); + +MODULE_AUTHOR("Wu Zhangjin <wuzj@lemote.com>"); +MODULE_DESCRIPTION("YeeLoong laptop driver"); +MODULE_LICENSE("GPL"); -- 1.6.2.1 ^ permalink raw reply related [flat|nested] 13+ messages in thread
* [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform @ 2009-11-19 17:39 ` Wu Zhangjin 0 siblings, 0 replies; 13+ messages in thread From: Wu Zhangjin @ 2009-11-19 17:39 UTC (permalink / raw) To: Ralf Baechle Cc: linux-mips, zhangfx, yanh, huhb, Richard Purdie, lm-sensors, Jamey Hicks, Wu Zhangjin This patch added the following subdrivers: backlight, hotkey, video output, thermal cooling, hwmon and battery. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> --- arch/mips/kernel/setup.c | 1 + arch/mips/loongson/Kconfig | 18 + arch/mips/loongson/lemote-2f/Makefile | 1 + arch/mips/loongson/lemote-2f/ec_kb3310b.h | 150 +++ arch/mips/loongson/lemote-2f/yeeloong_laptop.c | 1354 ++++++++++++++++++++++++ 5 files changed, 1524 insertions(+), 0 deletions(-) create mode 100644 arch/mips/loongson/lemote-2f/yeeloong_laptop.c diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index bd55f71..b1e1272 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -60,6 +60,7 @@ struct boot_mem_map boot_mem_map; static char command_line[COMMAND_LINE_SIZE]; char arcs_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE; +EXPORT_SYMBOL(arcs_cmdline); /* * mips_io_port_base is the begin of the address space to which x86 style diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig index 1041336..34a94b0 100644 --- a/arch/mips/loongson/Kconfig +++ b/arch/mips/loongson/Kconfig @@ -112,4 +112,22 @@ config LEMOTE_LYNLOONG2F_PDEV This driver adds the lynloong specific backlight driver and platform driver(mainly the suspend support). +config LEMOTE_YEELOONG2F_PDEV + tristate "Lemote YeeLoong Platform Specific Driver" + depends on LEMOTE_MACH2F + default m + select INPUT_EVDEV + select HWMON + select VIDEO_OUTPUT_CONTROL + select THERMAL + select BACKLIGHT_CLASS_DEVICE + select SYS_SUPPORTS_APM_EMULATION + 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. + + This driver adds the YeeLoong Platform Specific support. + endif # LOONGSON_PLATFORM_DEVICES diff --git a/arch/mips/loongson/lemote-2f/Makefile b/arch/mips/loongson/lemote-2f/Makefile index 81a97d0..4e8bf5d 100644 --- a/arch/mips/loongson/lemote-2f/Makefile +++ b/arch/mips/loongson/lemote-2f/Makefile @@ -14,3 +14,4 @@ obj-$(CONFIG_LOONGSON_SUSPEND) += pm.o # Platform Drivers # obj-$(CONFIG_LEMOTE_LYNLOONG2F_PDEV) += lynloong_pc.o +obj-$(CONFIG_LEMOTE_YEELOONG2F_PDEV) += yeeloong_laptop.o diff --git a/arch/mips/loongson/lemote-2f/ec_kb3310b.h b/arch/mips/loongson/lemote-2f/ec_kb3310b.h index 4d29953..00530e3 100644 --- a/arch/mips/loongson/lemote-2f/ec_kb3310b.h +++ b/arch/mips/loongson/lemote-2f/ec_kb3310b.h @@ -19,6 +19,13 @@ 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; +extern int yeeloong_install_sci_handler(int event, sci_handler handler); +extern int yeeloong_uninstall_sci_handler(int event, sci_handler handler); + +#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. @@ -44,4 +51,147 @@ extern int ec_get_event_num(void); #define CMD_GET_EVENT_NUM 0x84 #define CMD_PROGRAM_PIECE 0xda +/* temperature & fan registers */ +#define REG_TEMPERATURE_VALUE 0xF458 /* current temperature value */ +#define REG_FAN_AUTO_MAN_SWITCH 0xF459 /* fan auto/manual control switch */ +#define BIT_FAN_AUTO 0 +#define BIT_FAN_MANUAL 1 +#define REG_FAN_CONTROL 0xF4D2 /* fan control */ +#define BIT_FAN_CONTROL_ON (1 << 0) +#define BIT_FAN_CONTROL_OFF (0 << 0) +#define REG_FAN_STATUS 0xF4DA /* fan status */ +#define BIT_FAN_STATUS_ON (1 << 0) +#define BIT_FAN_STATUS_OFF (0 << 0) +#define REG_FAN_SPEED_HIGH 0xFE22 /* fan speed high byte */ +#define REG_FAN_SPEED_LOW 0xFE23 /* fan speed low byte */ +#define REG_FAN_SPEED_LEVEL 0xF4CC /* fan speed level, from 1 to 5 */ +/* 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 /* volume level */ +#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 +#define BIT_RESET_OFF 0 +/* 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, /* press the lid or not */ + 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 is on or off */ + EVENT_USB_OC2, /* USB2 Over Current occurred */ + EVENT_USB_OC0, /* USB0 Over Current occurred */ + EVENT_BLACK_SCREEN, /* Black screen is on or off */ + EVENT_AUDIO_MUTE, /* Mute is on or off */ + EVENT_DISPLAY_BRIGHTNESS,/* LCD backlight brightness adjust */ + EVENT_AC_BAT, /* ac & battery relative issue */ + EVENT_AUDIO_VOLUME, /* Volume adjust */ + EVENT_WLAN, /* Wlan is on or off */ + EVENT_END +}; + +enum { + BIT_AC_BAT_BAT_IN = 0, + BIT_AC_BAT_AC_IN, + BIT_AC_BAT_INIT_CAP, + BIT_AC_BAT_CHARGE_MODE, + BIT_AC_BAT_STOP_CHARGE, + BIT_AC_BAT_BAT_LOW, + BIT_AC_BAT_BAT_FULL +}; + #endif /* !_EC_KB3310B_H */ diff --git a/arch/mips/loongson/lemote-2f/yeeloong_laptop.c b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c new file mode 100644 index 0000000..ff74f7f --- /dev/null +++ b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c @@ -0,0 +1,1354 @@ +/* + * Driver for YeeLoong laptop extras + * + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin <wuzj@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/module.h> +#include <linux/backlight.h> +#include <linux/err.h> +#include <linux/fb.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/video_output.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/thermal.h> +#include <linux/apm-emulation.h> + +#include <asm/bootinfo.h> /* for arcs_cmdline */ + +#include <loongson.h> + +#include <cs5536/cs5536.h> +#include "ec_kb3310b.h" + +#define DRIVER_VERSION "0.1" + +/* 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; + + if (level > MAX_BRIGHTNESS) + level = MAX_BRIGHTNESS; + else if (level < 0) + level = 0; + + /* avoid tune the brightness when the EC is tuning it */ + current_level = ec_read(REG_DISPLAY_BRIGHTNESS); + if ((old_level = current_level) && (old_level != level)) + ec_write(REG_DISPLAY_BRIGHTNESS, level); + old_level = level; + + return 0; +} + +static int yeeloong_get_brightness(struct backlight_device *bd) +{ + return (int)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(struct device *dev) +{ + int ret; + + yeeloong_backlight_dev = backlight_device_register("backlight0", dev, + NULL, &backlight_ops); + + if (IS_ERR(yeeloong_backlight_dev)) { + ret = PTR_ERR(yeeloong_backlight_dev); + yeeloong_backlight_dev = NULL; + return ret; + } + + yeeloong_backlight_dev->props.max_brightness = MAX_BRIGHTNESS; + 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; + } +} + +/* hwmon subdriver */ + +/* pwm(auto/manual) enable or not */ +static int get_fan_pwm_enable(void) +{ + /* This get the fan control method: auto or manual */ + return ec_read(REG_FAN_AUTO_MAN_SWITCH); +} + +static void set_fan_pwm_enable(int manual) +{ + ec_write(REG_FAN_AUTO_MAN_SWITCH, !!manual); +} + +static int get_fan_pwm(void) +{ + /* fan speed level */ + return ec_read(REG_FAN_SPEED_LEVEL); +} + +static void set_fan_pwm(int value) +{ + int status; + + value = SENSORS_LIMIT(value, 0, 3); + + /* if value is not ZERO, we should ensure it is on */ + if (value != 0) { + status = ec_read(REG_FAN_STATUS); + if (status = 0) + ec_write(REG_FAN_CONTROL, BIT_FAN_CONTROL_ON); + } + /* 0xf4cc is for writing */ + ec_write(REG_FAN_SPEED_LEVEL, value); +} + +static int get_fan_rpm(void) +{ + int value = 0; + + 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) +{ + int value; + + value = ec_read(REG_TEMPERATURE_VALUE); + + if (value & (1 << 7)) + value = (value & 0x7f) - 128; + else + value = value & 0xff; + + return value * 1000; +} + +static int get_battery_temp(void) +{ + int value; + + value = (ec_read(REG_BAT_TEMPERATURE_HIGH) << 8) | + (ec_read(REG_BAT_TEMPERATURE_LOW)); + + return value * 1000; +} + +static int get_battery_current(void) +{ + int value; + + value = (ec_read(REG_BAT_CURRENT_HIGH) << 8) | + (ec_read(REG_BAT_CURRENT_LOW)); + + if (value & 0x8000) + value = 0xffff - value; + + return value; +} + +static int get_battery_voltage(void) +{ + int value; + + value = (ec_read(REG_BAT_VOLTAGE_HIGH) << 8) | + (ec_read(REG_BAT_VOLTAGE_LOW)); + + return value; +} + + +static int parse_arg(const char *buf, unsigned long count, int *val) +{ + if (!count) + return 0; + if (sscanf(buf, "%i", val) != 1) + return -EINVAL; + return count; +} + +static ssize_t store_sys_hwmon(void (*set) (int), const char *buf, size_t count) +{ + int rv, value; + + rv = parse_arg(buf, count, &value); + if (rv > 0) + set(value); + return rv; +} + +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(temp2_input, S_IRUGO, get_battery_temp, 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_temp2_input.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 +}; + +struct device *yeeloong_hwmon_dev; + +static int yeeloong_hwmon_init(struct device *dev) +{ + int ret; + + yeeloong_hwmon_dev = hwmon_device_register(dev); + if (IS_ERR(yeeloong_hwmon_dev)) { + printk(KERN_INFO "Could not 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) { + sysfs_remove_group(&yeeloong_hwmon_dev->kobj, + &hwmon_attribute_group); + hwmon_device_unregister(yeeloong_hwmon_dev); + yeeloong_hwmon_dev = NULL; + } + /* ensure fan is set to auto mode */ + set_fan_pwm_enable(BIT_FAN_AUTO); + + 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); +} + +static int lcd_video_output_set(struct output_device *od) +{ + unsigned long status = od->request_state; + int value; + + if (status = BIT_DISPLAY_LCD_ON) { + /* open LCD */ + outb(0x31, 0x3c4); + value = inb(0x3c5); + value = (value & 0xf8) | 0x03; + outb(0x31, 0x3c4); + outb(value, 0x3c5); + /* open backlight */ + ec_write(REG_BACKLIGHT_CTRL, BIT_BACKLIGHT_ON); + } else { + /* close backlight */ + ec_write(REG_BACKLIGHT_CTRL, BIT_BACKLIGHT_OFF); + /* close LCD */ + outb(0x31, 0x3c4); + value = inb(0x3c5); + value = (value & 0xf8) | 0x02; + outb(0x31, 0x3c4); + outb(value, 0x3c5); + } + + 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 = od->request_state; + int value; + + if (status = BIT_CRT_DETECT_PLUG) { + if (ec_read(REG_CRT_DETECT) = BIT_CRT_DETECT_PLUG) { + /* open CRT */ + outb(0x21, 0x3c4); + value = inb(0x3c5); + value &= ~(1 << 7); + outb(0x21, 0x3c4); + outb(value, 0x3c5); + } + } else { + /* close CRT */ + outb(0x21, 0x3c4); + value = inb(0x3c5); + value |= (1 << 7); + outb(0x21, 0x3c4); + outb(value, 0x3c5); + } + + return 0; +} + +static struct output_properties crt_output_properties = { + .set_state = crt_video_output_set, + .get_status = crt_video_output_get, +}; + +struct output_device *lcd_output_dev, *crt_output_dev; + +static void lcd_vo_set(int status) +{ + lcd_output_dev->request_state = status; + lcd_video_output_set(lcd_output_dev); +} + +static void crt_vo_set(int status) +{ + crt_output_dev->request_state = status; + crt_video_output_set(crt_output_dev); +} + +static int crt_detect_handler(int status) +{ + if (status = BIT_CRT_DETECT_PLUG) { + crt_vo_set(BIT_CRT_DETECT_PLUG); + lcd_vo_set(BIT_DISPLAY_LCD_OFF); + } else { + lcd_vo_set(BIT_DISPLAY_LCD_ON); + crt_vo_set(BIT_CRT_DETECT_UNPLUG); + } + return status; +} + +static int black_screen_handler(int status) +{ + char *p = NULL, *ec_ver = NULL; + + ec_ver = strstr(arcs_cmdline, "EC_VER="); + if (ec_ver) { + p = strstr(ec_ver, " "); + if (p) + *p = '\0'; + } + + /* Seems EC(>=PQ1D26) does this job for us, we can not do it again, + * otherwise, the brightness will not resume! */ + if ((ec_ver = NULL) || strncasecmp(ec_ver, "EC_VER=PQ1D26", 64) < 0) + lcd_vo_set(status); + + return status; +} + +static int display_toggle_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: + lcd_vo_set(BIT_DISPLAY_LCD_ON); + crt_vo_set(BIT_CRT_DETECT_PLUG); + break; + case 2: + lcd_vo_set(BIT_DISPLAY_LCD_OFF); + crt_vo_set(BIT_CRT_DETECT_PLUG); + break; + case 3: + lcd_vo_set(BIT_DISPLAY_LCD_OFF); + crt_vo_set(BIT_CRT_DETECT_UNPLUG); + break; + case 4: + lcd_vo_set(BIT_DISPLAY_LCD_ON); + crt_vo_set(BIT_CRT_DETECT_UNPLUG); + break; + default: + /* ensure LCD is on */ + lcd_vo_set(BIT_DISPLAY_LCD_ON); + break; + } + return video_output_status; +} + +static int yeeloong_vo_init(struct device *dev) +{ + int ret; + + /* register video output device: lcd, crt */ + lcd_output_dev = video_output_register("LCD", dev, 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 */ + lcd_vo_set(1); + + crt_output_dev = video_output_register("CRT", dev, NULL, + &crt_output_properties); + + if (IS_ERR(crt_output_dev)) { + ret = PTR_ERR(crt_output_dev); + crt_output_dev = NULL; + return ret; + } + /* close CRT by default, and will be enabled + * when the CRT connectting event reported by SCI */ + crt_vo_set(0); + + /* install event handlers */ + yeeloong_install_sci_handler(EVENT_CRT_DETECT, + crt_detect_handler); + yeeloong_install_sci_handler(EVENT_BLACK_SCREEN, + black_screen_handler); + yeeloong_install_sci_handler(EVENT_DISPLAY_TOGGLE, + display_toggle_handler); + + return 0; +} + +static void yeeloong_vo_exit(void) +{ + /* uninstall event handlers */ + yeeloong_uninstall_sci_handler(EVENT_CRT_DETECT, + crt_detect_handler); + yeeloong_uninstall_sci_handler(EVENT_BLACK_SCREEN, + black_screen_handler); + yeeloong_uninstall_sci_handler(EVENT_DISPLAY_TOGGLE, + display_toggle_handler); + + 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; + } +} + +/* Thermal cooling devices subdriver */ + +static int video_get_max_state(struct thermal_cooling_device *cdev, unsigned + long *state) +{ + *state = MAX_BRIGHTNESS; + return 0; +} + +static int video_get_cur_state(struct thermal_cooling_device *cdev, unsigned + long *state) +{ + static struct backlight_device *bd; + + bd = (struct backlight_device *)cdev->devdata; + + *state = yeeloong_get_brightness(bd); + + return 0; +} + +static int video_set_cur_state(struct thermal_cooling_device *cdev, unsigned + long state) +{ + static struct backlight_device *bd; + + bd = (struct backlight_device *)cdev->devdata; + + yeeloong_backlight_dev->props.brightness = state; + backlight_update_status(bd); + + return 0; +} + +static struct thermal_cooling_device_ops video_cooling_ops = { + .get_max_state = video_get_max_state, + .get_cur_state = video_get_cur_state, + .set_cur_state = video_set_cur_state, +}; + +static struct thermal_cooling_device *yeeloong_thermal_cdev; + +/* TODO: register fan, cpu as the cooling devices */ +static int yeeloong_thermal_init(struct device *dev) +{ + int ret; + + if (!dev) + return -1; + + yeeloong_thermal_cdev = thermal_cooling_device_register("LCD", dev, + &video_cooling_ops); + + if (IS_ERR(yeeloong_thermal_cdev)) { + ret = PTR_ERR(yeeloong_thermal_cdev); + return ret; + } + + ret = sysfs_create_link(&dev->kobj, + &yeeloong_thermal_cdev->device.kobj, + "thermal_cooling"); + if (ret) { + printk(KERN_ERR "Create sysfs link\n"); + return ret; + } + ret = sysfs_create_link(&yeeloong_thermal_cdev->device.kobj, + &dev->kobj, "device"); + if (ret) { + printk(KERN_ERR "Create sysfs link\n"); + return ret; + } + + return 0; +} + +static void yeeloong_thermal_exit(struct device *dev) +{ + if (yeeloong_thermal_cdev) { + if (dev) + sysfs_remove_link(&dev->kobj, "thermal_cooling"); + sysfs_remove_link(&yeeloong_thermal_cdev->device.kobj, + "device"); + thermal_cooling_device_unregister(yeeloong_thermal_cdev); + yeeloong_thermal_cdev = NULL; + } +} + +/* hotkey input subdriver */ + +static struct input_dev *yeeloong_hotkey_dev; +static int event, status; + +struct key_entry { + char type; /* See KE_* below */ + int event; /* event from SCI */ + u16 keycode; /* KEY_* or SW_* */ +}; + +enum { KE_KEY, KE_SW, KE_END }; + +static struct key_entry yeeloong_keymap[] = { + {KE_SW, EVENT_LID, SW_LID}, + /* SW_VIDEOOUT_INSERT? not included in hald-addon-input! */ + {KE_KEY, EVENT_CRT_DETECT, KEY_PROG1}, + /* Seems battery subdriver should report it */ + {KE_KEY, EVENT_OVERTEMP, KEY_PROG2}, + /*{KE_KEY, EVENT_AC_BAT, KEY_BATTERY},*/ + {KE_KEY, EVENT_CAMERA, KEY_CAMERA}, /* Fn + ESC */ + {KE_KEY, EVENT_SLEEP, KEY_SLEEP}, /* Fn + F1 */ + /* Seems not clear? not included in hald-addon-input! */ + {KE_KEY, EVENT_BLACK_SCREEN, KEY_PROG3}, /* Fn + F2 */ + {KE_KEY, EVENT_DISPLAY_TOGGLE, 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 int yeeloong_lid_update_status(int status) +{ + input_report_switch(yeeloong_hotkey_dev, SW_LID, !status); + input_sync(yeeloong_hotkey_dev); + + return status; +} + +static void yeeloong_hotkey_update_status(int key) +{ + input_report_key(yeeloong_hotkey_dev, key, 1); + input_sync(yeeloong_hotkey_dev); + input_report_key(yeeloong_hotkey_dev, key, 0); + input_sync(yeeloong_hotkey_dev); +} + +static int get_event_keycode(void) +{ + struct key_entry *key; + + for (key = yeeloong_keymap; key->type != KE_END; key++) { + if (key->event != event) + continue; + else { + if (EVENT_DISPLAY_BRIGHTNESS = event) { + static int old_brightness_status = -1; + /* current status > old one, means up */ + if ((status < old_brightness_status) + || (0 = status)) + key++; + old_brightness_status = status; + } else if (EVENT_AUDIO_VOLUME = event) { + static int old_volume_status = -1; + if ((status < old_volume_status) + || (0 = status)) + key++; + old_volume_status = status; + } + break; + } + } + return key->keycode; +} + +void yeeloong_report_key(void) +{ + int keycode; + + keycode = get_event_keycode(); + + if (keycode = SW_LID) + yeeloong_lid_update_status(status); + else + yeeloong_hotkey_update_status(keycode); +} + +enum { NO_REG, MUL_REG, REG_END }; + +int event_reg[15] = { + REG_LID_DETECT, /* press the lid or not */ + NO_REG, /* Fn+F3 for display switch */ + NO_REG, /* Fn+F1 for entering sleep mode */ + MUL_REG, /* Over-temperature happened */ + REG_CRT_DETECT, /* CRT is connected */ + REG_CAMERA_STATUS, /* Camera is on or off */ + REG_USB2_FLAG, /* USB2 Over Current occurred */ + REG_USB0_FLAG, /* USB0 Over Current occurred */ + REG_DISPLAY_LCD, /* Black screen is on or off */ + REG_AUDIO_MUTE, /* Mute is on or off */ + REG_DISPLAY_BRIGHTNESS, /* LCD backlight brightness adjust */ + NO_REG, /* ac & battery relative issue */ + REG_AUDIO_VOLUME, /* Volume adjust */ + REG_WLAN, /* Wlan is on or off */ + REG_END +}; + +static int ec_get_event_status(void) +{ + int reg; + + reg = event_reg[event - EVENT_LID]; + + if (reg = NO_REG) + return 1; + else if (reg = MUL_REG) { + if (event = EVENT_OVERTEMP) { + return (ec_read(REG_BAT_CHARGE_STATUS) & + BIT_BAT_CHARGE_STATUS_OVERTEMP) >> 2; + } + } else if (reg != REG_END) + return ec_read(reg); + + return -1; +} + +static sci_handler event_handler[15]; + +int yeeloong_install_sci_handler(int event, sci_handler handler) +{ + if (event_handler[event - EVENT_LID] != NULL) { + printk(KERN_INFO "There is a handler installed for event: %d\n", + event); + return -1; + } + event_handler[event - EVENT_LID] = handler; + + return 0; +} +EXPORT_SYMBOL(yeeloong_install_sci_handler); + +int yeeloong_uninstall_sci_handler(int event, sci_handler handler) +{ + if (event_handler[event - EVENT_LID] = NULL) { + printk(KERN_INFO "There is no handler installed for event: %d\n", + event); + return -1; + } + if (event_handler[event - EVENT_LID] != handler) { + printk(KERN_INFO "You can not uninstall the handler installed by others\n"); + return -1; + } + event_handler[event - EVENT_LID] = NULL; + + return 0; +} +EXPORT_SYMBOL(yeeloong_uninstall_sci_handler); + +static void yeeloong_event_action(void) +{ + sci_handler handler; + + handler = event_handler[event - EVENT_LID]; + + if (handler = NULL) + return; + + if (event = EVENT_CAMERA) + status = handler(3); + else + status = handler(status); +} + +/* + * sci 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; + + if (SCI_IRQ_NUM != irq) { + printk(KERN_ERR "%s: spurious irq.\n", __func__); + return IRQ_NONE; + } + + /* query the event number */ + ret = ec_query_event_num(); + if (ret < 0) { + printk(KERN_ERR "%s: return: %d\n", __func__, ret); + return IRQ_NONE; + } + + event = ec_get_event_num(); + if (event < 0) { + printk(KERN_ERR "%s: return: %d\n", __func__, event); + return IRQ_NONE; + } + + printk(KERN_INFO "sci event number: 0x%x\n", event); + + /* parse the event number and wake the queue */ + if ((event != 0x00) && (event != 0xff)) { + /* get status of current event */ + status = ec_get_event_status(); + printk(KERN_INFO "%s: status: %d\n", __func__, status); + if (status = -1) + return IRQ_NONE; + /* execute relative actions */ + yeeloong_event_action(); + /* report current key */ + yeeloong_report_key(); + } + return IRQ_HANDLED; +} + +/* + * config and init some msr and gpio register properly. + */ +static int sci_irq_init(void) +{ + u32 hi, lo; + u32 gpio_base; + int ret = 0; + unsigned long flags; + + /* 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) { + printk(KERN_ERR "%s: failed.\n", __func__); + 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; +} + +struct irqaction sci_irqaction = { + .handler = sci_irq_handler, + .name = "sci", + .flags = IRQF_SHARED, +}; + +static int setup_sci(void) +{ + sci_irq_init(); + + setup_irq(SCI_IRQ_NUM, &sci_irqaction); + + return 0; +} + +static ssize_t +ignore_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + return count; +} + +static ssize_t +show_hotkeystate(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d %d\n", event, status); +} + +static DEVICE_ATTR(state, 0444, show_hotkeystate, ignore_store); + +static struct attribute *hotkey_attributes[] = { + &dev_attr_state.attr, + NULL +}; + +static struct attribute_group hotkey_attribute_group = { + .attrs = hotkey_attributes +}; + +static int camera_set(int status) +{ + int value; + static int camera_status; + + if (status = 2) + /* resume the old camera status */ + camera_set(camera_status); + else if (status = 3) { + /* revert the camera status */ + value = ec_read(REG_CAMERA_CONTROL); + ec_write(REG_CAMERA_CONTROL, value | (1 << 1)); + } else { /* status = 0 or status = 1 */ + status = !!status; + camera_status = ec_read(REG_CAMERA_STATUS); + if (status != camera_status) + camera_set(3); + } + return ec_read(REG_CAMERA_STATUS); +} + +#define I8042_STATUS_REG 0x64 +#define I8042_DATA_REG 0x60 +#define i8042_read_status() inb(I8042_STATUS_REG) +#define i8042_read_data() inb(I8042_DATA_REG) +#define I8042_STR_OBF 0x01 +#define I8042_BUFFER_SIZE 16 + +static void i8042_flush(void) +{ + int i; + + while ((i8042_read_status() & I8042_STR_OBF) + && (i < I8042_BUFFER_SIZE)) { + udelay(50); + i8042_read_data(); + i++; + } +} + +static int yeeloong_hotkey_init(struct device *dev) +{ + int ret; + struct key_entry *key; + + /* flush the buffer of keyboard */ + i8042_flush(); + + /* setup the system control interface */ + setup_sci(); + + yeeloong_hotkey_dev = input_allocate_device(); + + if (!yeeloong_hotkey_dev) + 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 = dev; + + for (key = yeeloong_keymap; key->type != KE_END; key++) { + switch (key->type) { + case KE_KEY: + set_bit(EV_KEY, yeeloong_hotkey_dev->evbit); + set_bit(key->keycode, yeeloong_hotkey_dev->keybit); + break; + case KE_SW: + set_bit(EV_SW, yeeloong_hotkey_dev->evbit); + set_bit(key->keycode, yeeloong_hotkey_dev->swbit); + break; + } + } + + ret = input_register_device(yeeloong_hotkey_dev); + if (ret) { + input_free_device(yeeloong_hotkey_dev); + return ret; + } + + ret = sysfs_create_group(&yeeloong_hotkey_dev->dev.kobj, + &hotkey_attribute_group); + if (ret) { + sysfs_remove_group(&yeeloong_hotkey_dev->dev.kobj, + &hotkey_attribute_group); + input_unregister_device(yeeloong_hotkey_dev); + yeeloong_hotkey_dev = NULL; + } + /* update the current status of lid */ + yeeloong_lid_update_status(BIT_LID_DETECT_ON); + + /* install the real yeeloong_report_lid_status for pm.c */ + yeeloong_report_lid_status = yeeloong_lid_update_status; + + /* install event handler */ + yeeloong_install_sci_handler(EVENT_CAMERA, camera_set); + + return 0; +} + +static void yeeloong_hotkey_exit(void) +{ + /* free irq */ + remove_irq(SCI_IRQ_NUM, &sci_irqaction); + + /* uninstall the real yeeloong_report_lid_status for pm.c */ + yeeloong_report_lid_status = NULL; + + /* uninstall event handler */ + yeeloong_uninstall_sci_handler(EVENT_CAMERA, camera_set); + + if (yeeloong_hotkey_dev) { + sysfs_remove_group(&yeeloong_hotkey_dev->dev.kobj, + &hotkey_attribute_group); + input_unregister_device(yeeloong_hotkey_dev); + yeeloong_hotkey_dev = NULL; + } +} + +/* battery subdriver: APM emulated support */ + +static void get_fixed_battery_info(void) +{ + int design_cap, full_charged_cap, design_vol, vendor, cell_count; + + design_cap = (ec_read(REG_BAT_DESIGN_CAP_HIGH) << 8) + | ec_read(REG_BAT_DESIGN_CAP_LOW); + full_charged_cap = (ec_read(REG_BAT_FULLCHG_CAP_HIGH) << 8) + | ec_read(REG_BAT_FULLCHG_CAP_LOW); + design_vol = (ec_read(REG_BAT_DESIGN_VOL_HIGH) << 8) + | ec_read(REG_BAT_DESIGN_VOL_LOW); + vendor = ec_read(REG_BAT_VENDOR); + cell_count = ec_read(REG_BAT_CELL_COUNT); + + if (vendor != 0) { + printk(KERN_INFO + "battery vendor(%s), cells count(%d), " + "with designed capacity(%d),designed voltage(%d)," + " full charged capacity(%d)\n", + (vendor = + FLAG_BAT_VENDOR_SANYO) ? "SANYO" : "SIMPLO", + (cell_count = FLAG_BAT_CELL_3S1P) ? 3 : 6, + design_cap, design_vol, + full_charged_cap); + } +} + +#define APM_CRITICAL 5 + +static void yeeloong_apm_get_power_status(struct apm_power_info *info) +{ + unsigned char bat_status; + + info->battery_status = APM_BATTERY_STATUS_UNKNOWN; + info->battery_flag = APM_BATTERY_FLAG_UNKNOWN; + info->units = APM_UNITS_MINS; + + info->battery_life = (ec_read(REG_BAT_RELATIVE_CAP_HIGH) << 8) | + (ec_read(REG_BAT_RELATIVE_CAP_LOW)); + + info->ac_line_status = (ec_read(REG_BAT_POWER) & BIT_BAT_POWER_ACIN) ? + APM_AC_ONLINE : APM_AC_OFFLINE; + + bat_status = ec_read(REG_BAT_STATUS); + + if (!(bat_status & BIT_BAT_STATUS_IN)) { + /* no battery inserted */ + info->battery_status = APM_BATTERY_STATUS_NOT_PRESENT; + info->battery_flag = APM_BATTERY_FLAG_NOT_PRESENT; + info->time = 0x00; + return; + } + + /* adapter inserted */ + if (info->ac_line_status = APM_AC_ONLINE) { + if (!(bat_status & BIT_BAT_STATUS_FULL)) { + /* battery is not fully charged */ + info->battery_status = APM_BATTERY_STATUS_CHARGING; + info->battery_flag = APM_BATTERY_FLAG_CHARGING; + } else { + /* if the battery is fully charged */ + info->battery_status = APM_BATTERY_STATUS_HIGH; + info->battery_flag = APM_BATTERY_FLAG_HIGH; + info->battery_life = 100; + } + } else { + /* battery is too low */ + if (bat_status & BIT_BAT_STATUS_LOW) { + info->battery_status = APM_BATTERY_STATUS_LOW; + info->battery_flag = APM_BATTERY_FLAG_LOW; + if (info->battery_life <= APM_CRITICAL) { + /* we should power off the system now */ + info->battery_status + APM_BATTERY_STATUS_CRITICAL; + info->battery_flag = APM_BATTERY_FLAG_CRITICAL; + } + } else { + /* assume the battery is high enough. */ + info->battery_status = APM_BATTERY_STATUS_HIGH; + info->battery_flag = APM_BATTERY_FLAG_HIGH; + } + } + info->time = ((info->battery_life - 3) * 54 + 142) / 60; +} + +static int yeeloong_apm_init(void) +{ + /* print fixed information of battery */ + get_fixed_battery_info(); + + apm_get_power_status = yeeloong_apm_get_power_status; + + return 0; +} + +static void yeeloong_apm_exit(void) +{ +} + +/* platform subdriver */ +static struct platform_device *yeeloong_pdev; + +static void __maybe_unused 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 __maybe_unused yeeloong_suspend(struct platform_device *pdev, + pm_message_t state) +{ + printk(KERN_INFO "yeeloong specific suspend\n"); + + /* close LCD */ + lcd_vo_set(BIT_DISPLAY_LCD_OFF); + /* close CRT */ + crt_vo_set(BIT_CRT_DETECT_UNPLUG); + /* power off camera */ + camera_set(BIT_CAMERA_CONTROL_OFF); + /* poweroff three usb ports */ + usb_ports_set(BIT_USB_FLAG_OFF); + /* minimize the speed of FAN */ + set_fan_pwm_enable(BIT_FAN_MANUAL); + set_fan_pwm(1); + + return 0; +} + +static int __maybe_unused yeeloong_resume(struct platform_device *pdev) +{ + printk(KERN_INFO "yeeloong specific resume\n"); + + /* resume the status of lcd & crt */ + lcd_vo_set(BIT_DISPLAY_LCD_ON); + crt_vo_set(BIT_CRT_DETECT_PLUG); + + /* power on three usb ports */ + usb_ports_set(BIT_USB_FLAG_ON); + + /* resume the camera status */ + camera_set(2); + + /* resume fan to auto mode */ + set_fan_pwm_enable(BIT_FAN_AUTO); + + return 0; +} + +static struct platform_driver platform_driver = { + .driver = { + .name = "yeeloong-laptop", + .owner = THIS_MODULE, + }, +#ifdef CONFIG_PM + .suspend = yeeloong_suspend, + .resume = yeeloong_resume, +#endif +}; + +static ssize_t yeeloong_pdev_name_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "yeeloong laptop\n"); +} + +static struct device_attribute dev_attr_yeeloong_pdev_name +__ATTR(name, S_IRUGO, yeeloong_pdev_name_show, NULL); + +static int yeeloong_pdev_init(void) +{ + int ret; + + /* Register platform stuff */ + ret = platform_driver_register(&platform_driver); + if (ret) + return ret; + + yeeloong_pdev = platform_device_alloc("yeeloong-laptop", -1); + if (!yeeloong_pdev) { + ret = -ENOMEM; + platform_driver_unregister(&platform_driver); + return ret; + } + + ret = platform_device_add(yeeloong_pdev); + if (ret) { + platform_device_put(yeeloong_pdev); + return ret; + } + + if (IS_ERR(yeeloong_pdev)) { + ret = PTR_ERR(yeeloong_pdev); + yeeloong_pdev = NULL; + printk(KERN_INFO "unable to register platform device\n"); + return ret; + } + + ret = device_create_file(&yeeloong_pdev->dev, + &dev_attr_yeeloong_pdev_name); + if (ret) { + printk(KERN_INFO "unable to create sysfs device attributes\n"); + return ret; + } + + return 0; +} + +static void yeeloong_pdev_exit(void) +{ + if (yeeloong_pdev) { + platform_device_unregister(yeeloong_pdev); + yeeloong_pdev = NULL; + platform_driver_unregister(&platform_driver); + } +} + +static int __init yeeloong_init(void) +{ + int ret; + + if (mips_machtype != MACH_LEMOTE_YL2F89) { + printk(KERN_INFO "This Driver is for YeeLoong netbook, You" + "can not use it on the other Machines\n"); + return -EFAULT; + } + + printk(KERN_INFO "YeeLoong Platform Specific Drivers %s loaded\n", + DRIVER_VERSION); + + ret = yeeloong_pdev_init(); + if (ret) { + yeeloong_pdev_exit(); + printk(KERN_INFO "init yeeloong platform driver failure\n"); + return ret; + } + ret = yeeloong_hotkey_init(&yeeloong_pdev->dev); + if (ret) { + yeeloong_hotkey_exit(); + printk(KERN_INFO "init yeeloong hotkey driver failure\n"); + return ret; + } + ret = yeeloong_apm_init(); + if (ret) { + yeeloong_apm_exit(); + printk(KERN_INFO "init yeeloong apm driver failure\n"); + return ret; + } + ret = yeeloong_backlight_init(&yeeloong_pdev->dev); + if (ret) { + yeeloong_backlight_exit(); + printk(KERN_INFO "init yeeloong backlight driver failure\n"); + return ret; + } + ret = yeeloong_thermal_init(&yeeloong_backlight_dev->dev); + if (ret) { + yeeloong_thermal_exit(&yeeloong_backlight_dev->dev); + printk(KERN_INFO + "Fail to init yeeloong thermal cooling device.\n"); + return ret; + } + ret = yeeloong_hwmon_init(&yeeloong_pdev->dev); + if (ret) { + yeeloong_hwmon_exit(); + printk(KERN_INFO "init yeeloong hwmon driver failure\n"); + return ret; + } + ret = yeeloong_vo_init(&yeeloong_pdev->dev); + if (ret) { + yeeloong_vo_exit(); + printk(KERN_INFO "init yeeloong video output driver failure\n"); + return ret; + } + return 0; +} + +static void __exit yeeloong_exit(void) +{ + yeeloong_vo_exit(); + yeeloong_hwmon_exit(); + yeeloong_thermal_exit(&yeeloong_backlight_dev->dev); + yeeloong_backlight_exit(); + yeeloong_apm_exit(); + yeeloong_hotkey_exit(); + yeeloong_pdev_exit(); + + printk(KERN_INFO "YeeLoong Platform Specific Drivers %s unloaded\n", + DRIVER_VERSION); +} + +module_init(yeeloong_init); +module_exit(yeeloong_exit); + +MODULE_AUTHOR("Wu Zhangjin <wuzj@lemote.com>"); +MODULE_DESCRIPTION("YeeLoong laptop driver"); +MODULE_LICENSE("GPL"); -- 1.6.2.1 _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors ^ permalink raw reply related [flat|nested] 13+ messages in thread
* Re: [PATCH 5/5] [loongson] yeeloong2f: add platform specific support 2009-11-19 17:39 ` [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform Wu Zhangjin @ 2009-11-19 18:02 ` Wu Zhangjin -1 siblings, 0 replies; 13+ messages in thread From: Wu Zhangjin @ 2009-11-19 18:02 UTC (permalink / raw) To: Ralf Baechle Cc: linux-mips, zhangfx, yanh, huhb, Richard Purdie, lm-sensors, Jamey Hicks Sorry, This patch can not be compiled without CONFIG_PM, this patch is needed to fix it: We need to wrap the source code relative to CONFIG_PM, otherwise, it will fail in compiling. This patch is needed to "[PATCH 5/5] [loongson] yeeloong2f: add platform specific support". Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> --- arch/mips/loongson/lemote-2f/yeeloong_laptop.c | 12 ++++++++---- 1 files changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/mips/loongson/lemote-2f/yeeloong_laptop.c b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c index ff74f7f..46c3847 100644 --- a/arch/mips/loongson/lemote-2f/yeeloong_laptop.c +++ b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c @@ -1025,9 +1025,10 @@ static int yeeloong_hotkey_init(struct device *dev) /* update the current status of lid */ yeeloong_lid_update_status(BIT_LID_DETECT_ON); +#ifdef CONFIG_SUSPEND /* install the real yeeloong_report_lid_status for pm.c */ yeeloong_report_lid_status = yeeloong_lid_update_status; - +#endif /* install event handler */ yeeloong_install_sci_handler(EVENT_CAMERA, camera_set); @@ -1039,9 +1040,10 @@ static void yeeloong_hotkey_exit(void) /* free irq */ remove_irq(SCI_IRQ_NUM, &sci_irqaction); +#ifdef CONFIG_SUSPEND /* uninstall the real yeeloong_report_lid_status for pm.c */ yeeloong_report_lid_status = NULL; - +#endif /* uninstall event handler */ yeeloong_uninstall_sci_handler(EVENT_CAMERA, camera_set); @@ -1083,7 +1085,8 @@ static void get_fixed_battery_info(void) #define APM_CRITICAL 5 -static void yeeloong_apm_get_power_status(struct apm_power_info *info) +static void __maybe_unused yeeloong_apm_get_power_status(struct apm_power_info + *info) { unsigned char bat_status; @@ -1144,8 +1147,9 @@ static int yeeloong_apm_init(void) /* print fixed information of battery */ get_fixed_battery_info(); +#ifdef APM_EMULATION apm_get_power_status = yeeloong_apm_get_power_status; - +#endif return 0; } -- 1.6.2.1 ^ permalink raw reply related [flat|nested] 13+ messages in thread
* Re: [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform @ 2009-11-19 18:02 ` Wu Zhangjin 0 siblings, 0 replies; 13+ messages in thread From: Wu Zhangjin @ 2009-11-19 18:02 UTC (permalink / raw) To: Ralf Baechle Cc: linux-mips, zhangfx, yanh, huhb, Richard Purdie, lm-sensors, Jamey Hicks Sorry, This patch can not be compiled without CONFIG_PM, this patch is needed to fix it: We need to wrap the source code relative to CONFIG_PM, otherwise, it will fail in compiling. This patch is needed to "[PATCH 5/5] [loongson] yeeloong2f: add platform specific support". Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> --- arch/mips/loongson/lemote-2f/yeeloong_laptop.c | 12 ++++++++---- 1 files changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/mips/loongson/lemote-2f/yeeloong_laptop.c b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c index ff74f7f..46c3847 100644 --- a/arch/mips/loongson/lemote-2f/yeeloong_laptop.c +++ b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c @@ -1025,9 +1025,10 @@ static int yeeloong_hotkey_init(struct device *dev) /* update the current status of lid */ yeeloong_lid_update_status(BIT_LID_DETECT_ON); +#ifdef CONFIG_SUSPEND /* install the real yeeloong_report_lid_status for pm.c */ yeeloong_report_lid_status = yeeloong_lid_update_status; - +#endif /* install event handler */ yeeloong_install_sci_handler(EVENT_CAMERA, camera_set); @@ -1039,9 +1040,10 @@ static void yeeloong_hotkey_exit(void) /* free irq */ remove_irq(SCI_IRQ_NUM, &sci_irqaction); +#ifdef CONFIG_SUSPEND /* uninstall the real yeeloong_report_lid_status for pm.c */ yeeloong_report_lid_status = NULL; - +#endif /* uninstall event handler */ yeeloong_uninstall_sci_handler(EVENT_CAMERA, camera_set); @@ -1083,7 +1085,8 @@ static void get_fixed_battery_info(void) #define APM_CRITICAL 5 -static void yeeloong_apm_get_power_status(struct apm_power_info *info) +static void __maybe_unused yeeloong_apm_get_power_status(struct apm_power_info + *info) { unsigned char bat_status; @@ -1144,8 +1147,9 @@ static int yeeloong_apm_init(void) /* print fixed information of battery */ get_fixed_battery_info(); +#ifdef APM_EMULATION apm_get_power_status = yeeloong_apm_get_power_status; - +#endif return 0; } -- 1.6.2.1 _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors ^ permalink raw reply related [flat|nested] 13+ messages in thread
* Re: [PATCH 5/5] [loongson] yeeloong2f: add platform specific support 2009-11-19 18:02 ` [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform Wu Zhangjin @ 2009-11-19 21:42 ` Sergei Shtylyov -1 siblings, 0 replies; 13+ messages in thread From: Sergei Shtylyov @ 2009-11-19 21:42 UTC (permalink / raw) To: wuzhangjin Cc: Ralf Baechle, linux-mips, zhangfx, yanh, huhb, Richard Purdie, lm-sensors, Jamey Hicks Hello. Wu Zhangjin wrote: > Sorry, This patch can not be compiled without CONFIG_PM, this patch is > needed to fix it: > > We need to wrap the source code relative to CONFIG_PM, otherwise, it > will fail in compiling. > > This patch is needed to "[PATCH 5/5] [loongson] yeeloong2f: add platform > specific support". > > Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> > --- > arch/mips/loongson/lemote-2f/yeeloong_laptop.c | 12 ++++++++---- > 1 files changed, 8 insertions(+), 4 deletions(-) > > diff --git a/arch/mips/loongson/lemote-2f/yeeloong_laptop.c > b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c > index ff74f7f..46c3847 100644 > --- a/arch/mips/loongson/lemote-2f/yeeloong_laptop.c > +++ b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c > @@ -1025,9 +1025,10 @@ static int yeeloong_hotkey_init(struct device > *dev) > /* update the current status of lid */ > yeeloong_lid_update_status(BIT_LID_DETECT_ON); > > +#ifdef CONFIG_SUSPEND > /* install the real yeeloong_report_lid_status for pm.c */ > yeeloong_report_lid_status = yeeloong_lid_update_status; > - > +#endif > /* install event handler */ > yeeloong_install_sci_handler(EVENT_CAMERA, camera_set); > > @@ -1039,9 +1040,10 @@ static void yeeloong_hotkey_exit(void) > /* free irq */ > remove_irq(SCI_IRQ_NUM, &sci_irqaction); > > +#ifdef CONFIG_SUSPEND > /* uninstall the real yeeloong_report_lid_status for pm.c */ > yeeloong_report_lid_status = NULL; > - > +#endif > /* uninstall event handler */ > yeeloong_uninstall_sci_handler(EVENT_CAMERA, camera_set); > > @@ -1083,7 +1085,8 @@ static void get_fixed_battery_info(void) > > #define APM_CRITICAL 5 > > -static void yeeloong_apm_get_power_status(struct apm_power_info *info) > +static void __maybe_unused yeeloong_apm_get_power_status(struct > apm_power_info > + *info) > Your patch is line-wrapped. WBR, Sergei ^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform @ 2009-11-19 21:42 ` Sergei Shtylyov 0 siblings, 0 replies; 13+ messages in thread From: Sergei Shtylyov @ 2009-11-19 21:42 UTC (permalink / raw) To: wuzhangjin Cc: Ralf Baechle, linux-mips, zhangfx, yanh, huhb, Richard Purdie, lm-sensors, Jamey Hicks Hello. Wu Zhangjin wrote: > Sorry, This patch can not be compiled without CONFIG_PM, this patch is > needed to fix it: > > We need to wrap the source code relative to CONFIG_PM, otherwise, it > will fail in compiling. > > This patch is needed to "[PATCH 5/5] [loongson] yeeloong2f: add platform > specific support". > > Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> > --- > arch/mips/loongson/lemote-2f/yeeloong_laptop.c | 12 ++++++++---- > 1 files changed, 8 insertions(+), 4 deletions(-) > > diff --git a/arch/mips/loongson/lemote-2f/yeeloong_laptop.c > b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c > index ff74f7f..46c3847 100644 > --- a/arch/mips/loongson/lemote-2f/yeeloong_laptop.c > +++ b/arch/mips/loongson/lemote-2f/yeeloong_laptop.c > @@ -1025,9 +1025,10 @@ static int yeeloong_hotkey_init(struct device > *dev) > /* update the current status of lid */ > yeeloong_lid_update_status(BIT_LID_DETECT_ON); > > +#ifdef CONFIG_SUSPEND > /* install the real yeeloong_report_lid_status for pm.c */ > yeeloong_report_lid_status = yeeloong_lid_update_status; > - > +#endif > /* install event handler */ > yeeloong_install_sci_handler(EVENT_CAMERA, camera_set); > > @@ -1039,9 +1040,10 @@ static void yeeloong_hotkey_exit(void) > /* free irq */ > remove_irq(SCI_IRQ_NUM, &sci_irqaction); > > +#ifdef CONFIG_SUSPEND > /* uninstall the real yeeloong_report_lid_status for pm.c */ > yeeloong_report_lid_status = NULL; > - > +#endif > /* uninstall event handler */ > yeeloong_uninstall_sci_handler(EVENT_CAMERA, camera_set); > > @@ -1083,7 +1085,8 @@ static void get_fixed_battery_info(void) > > #define APM_CRITICAL 5 > > -static void yeeloong_apm_get_power_status(struct apm_power_info *info) > +static void __maybe_unused yeeloong_apm_get_power_status(struct > apm_power_info > + *info) > Your patch is line-wrapped. WBR, Sergei _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors ^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [PATCH 5/5] [loongson] yeeloong2f: add platform specific support 2009-11-19 21:42 ` [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform Sergei Shtylyov @ 2009-11-20 1:08 ` Wu Zhangjin -1 siblings, 0 replies; 13+ messages in thread From: Wu Zhangjin @ 2009-11-20 1:08 UTC (permalink / raw) To: Sergei Shtylyov Cc: Ralf Baechle, linux-mips, zhangfx, yanh, huhb, Richard Purdie, lm-sensors, Jamey Hicks On Fri, 2009-11-20 at 00:42 +0300, Sergei Shtylyov wrote: [...] > > > > -static void yeeloong_apm_get_power_status(struct apm_power_info *info) > > +static void __maybe_unused yeeloong_apm_get_power_status(struct > > apm_power_info > > + *info) > > > > Your patch is line-wrapped. > Yes, I found it, thanks! I have merged this one into "[PATCH v1] [loongson] yeeloong2f: add platform specific support". Best Regards, Wu Zhangjin ^ permalink raw reply [flat|nested] 13+ messages in thread
* Re: [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform @ 2009-11-20 1:08 ` Wu Zhangjin 0 siblings, 0 replies; 13+ messages in thread From: Wu Zhangjin @ 2009-11-20 1:08 UTC (permalink / raw) To: Sergei Shtylyov Cc: Ralf Baechle, linux-mips, zhangfx, yanh, huhb, Richard Purdie, lm-sensors, Jamey Hicks On Fri, 2009-11-20 at 00:42 +0300, Sergei Shtylyov wrote: [...] > > > > -static void yeeloong_apm_get_power_status(struct apm_power_info *info) > > +static void __maybe_unused yeeloong_apm_get_power_status(struct > > apm_power_info > > + *info) > > > > Your patch is line-wrapped. > Yes, I found it, thanks! I have merged this one into "[PATCH v1] [loongson] yeeloong2f: add platform specific support". Best Regards, Wu Zhangjin _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors ^ permalink raw reply [flat|nested] 13+ messages in thread
end of thread, other threads:[~2009-11-20 1:09 UTC | newest] Thread overview: 13+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2009-11-19 17:32 [PATCH 0/5] Lemote-2f: Add Platform Specific Support Wu Zhangjin 2009-11-19 17:33 ` [PATCH 1/5] [loongson] LynLoong2F: " Wu Zhangjin 2009-11-19 17:33 ` [PATCH 2/5] [loongson] yeeloong2f: add basic ec operations Wu Zhangjin 2009-11-19 17:34 ` [PATCH 3/5] [loongson] yeeloong2f: add LID open event as the wakeup event Wu Zhangjin 2009-11-19 17:34 ` [PATCH 4/5] [loongson] yeeloong2f: cleanup the reset logic with ec_write function Wu Zhangjin 2009-11-19 17:39 ` [PATCH 5/5] [loongson] yeeloong2f: add platform specific support Wu Zhangjin 2009-11-19 17:39 ` [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform Wu Zhangjin 2009-11-19 18:02 ` [PATCH 5/5] [loongson] yeeloong2f: add platform specific support Wu Zhangjin 2009-11-19 18:02 ` [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform Wu Zhangjin 2009-11-19 21:42 ` [PATCH 5/5] [loongson] yeeloong2f: add platform specific support Sergei Shtylyov 2009-11-19 21:42 ` [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform Sergei Shtylyov 2009-11-20 1:08 ` [PATCH 5/5] [loongson] yeeloong2f: add platform specific support Wu Zhangjin 2009-11-20 1:08 ` [lm-sensors] [PATCH 5/5] [loongson] yeeloong2f: add platform Wu Zhangjin
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