2.6.38.4 内核对 tq2440 支持补丁

Posted on April 22, 2011

最近折腾了很久,总算搞定了。

发个补丁,希望大家不要再折腾了,而且也不要看网上的所谓垃圾移植指南了,都是 bullshit.

  From 144759a9929f0858398b834a5cbfdb79ce56f077 Mon Sep 17 00:00:00 2001 
  From: microcai <microcai@fedoraproject.org> 
  Date: Sat, 30 Apr 2011 14:28:11 +0800 
  Subject: [PATCH 2/4] =TQ 2440 补丁 
  MIME-Version: 1.0 
  Content-Type: text/plain; charset=UTF-8 
  Content-Transfer-Encoding: 8bit 

  --- 
  arch/arm/mach-s3c2440/Kconfig | 46 +++ 
  arch/arm/mach-s3c2440/Makefile | 1 + 
  arch/arm/mach-s3c2440/mach-tq2440.c | 539 +++++++++++++++++++++++++++++++++++ 
  3 files changed, 586 insertions(+), 0 deletions(-) 
  create mode 100644 arch/arm/mach-s3c2440/mach-tq2440.c 

  diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig 
  index 50825a3..9afdfe5 100644 
  --- a/arch/arm/mach-s3c2440/Kconfig 
  +++ b/arch/arm/mach-s3c2440/Kconfig 
  @@ -203,4 +203,50 @@ config MACH_RX1950 
  help 
  Say Y here if you're using HP iPAQ rx1950 

  +config MACH_TQ2440 
  + bool "TQ 2440" 
  + select MACH_SMDK 
  + select CPU_S3C2440 
  + select S3C_DEV_NAND 
  + select MTD 
  + select MTD_NAND 
  + select MTD_NAND_S3C2410 
  + select S3C_DEV_USB_HOST 
  + select RTC_DRV_S3C if RTC_CLASS 
  + select S3C2410_WATCHDOG if WATCHDOG 
  + select SND_SOC_SAMSUNG_S3C24XX_UDA134X if SOUND 
  + select USB_GADGET_S3C2410 
  + select FB_S3C2410 if FB 
  + select SERIAL_SAMSUNG 
  + select SERIAL_S3C2440 
  + select SERIAL_SAMSUNG_CONSOLE 
  + select SERIO 
  + select AEABI 
  + select BINFMT_ELF 
  + select CPU_FREQ_S3C24XX if CPU_FREQ 
  + select DM9000 if NETDEVICES 
  + select DEPRECATED_PARAM_STRUCT 
  + 
  + help 
  + Say Y here if you are using the TQ 2440 Machine 
  + development system 
  + 
  +choice 
  + prompt "LCD size" 
  + default FB_S3C24X0_LCD480272 
  + depends on FB_S3C2410 && MACH_TQ2440 
  + 
  +config FB_S3C24X0_LCD480272 
  + bool "4.3in LCD" 
  + help 
  + Support 4.3in LCD 
  + 
  + 
  +config FB_S3C24X0_TFT640480 
  + bool "640x480 LCD" 
  + 
  + 
  +endchoice 
  + 
  + 
  endmenu 
  diff --git a/arch/arm/mach-s3c2440/Makefile b/arch/arm/mach-s3c2440/Makefile 
  index d5440fa..c001bdd 100644 
  --- a/arch/arm/mach-s3c2440/Makefile 
  +++ b/arch/arm/mach-s3c2440/Makefile 
  @@ -26,6 +26,7 @@ obj-$(CONFIG_S3C2440_PLL_16934400) += s3c2440-pll-16934400.o 

  # Machine support 

  +obj-$(CONFIG_MACH_TQ2440) += mach-tq2440.o 
  obj-$(CONFIG_MACH_ANUBIS) += mach-anubis.o 
  obj-$(CONFIG_MACH_OSIRIS) += mach-osiris.o 
  obj-$(CONFIG_MACH_RX3715) += mach-rx3715.o 
  diff --git a/arch/arm/mach-s3c2440/mach-tq2440.c b/arch/arm/mach-s3c2440/mach-tq2440.c 
  new file mode 100644 
  index 0000000..3d1bef7 
  --- /dev/null 
  +++ b/arch/arm/mach-s3c2440/mach-tq2440.c 
  @@ -0,0 +1,539 @@ 
  +/* linux/arch/arm/mach-s3c2440/mach-smdk2440.c 
  + * 
  + * Copyright (c) 2004-2005 Simtec Electronics 
  + * Ben Dooks <ben@simtec.co.uk> 
  + * 
  + * http://www.fluff.org/ben/smdk2440/ 
  + * 
  + * Thanks to Dimity Andric and TomTom for the loan of an SMDK2440. 
  + * 
  + * 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/kernel.h> 
  +#include <linux/types.h> 
  +#include <linux/interrupt.h> 
  +#include <linux/list.h> 
  +#include <linux/timer.h> 
  +#include <linux/init.h> 
  +#include <linux/serial_core.h> 
  +#include <linux/platform_device.h> 
  +#include <linux/mtd/mtd.h> 
  +#include <linux/mtd/nand.h> 
  +#include <linux/mtd/nand_ecc.h> 
  +#include <linux/mtd/partitions.h> 
  +#include <linux/i2c/at24.h> 
  +#include <linux/i2c.h> 
  +#include <linux/io.h> 
  +#include <linux/input.h> 
  +#include <linux/dm9000.h> 
  +#include <linux/gpio_keys.h> 
  +#include <linux/mmc/host.h> 
  +#include <sound/s3c24xx_uda134x.h> 
  + 
  +#include <asm/mach/arch.h> 
  +#include <asm/mach/map.h> 
  +#include <asm/mach/irq.h> 
  + 
  +#include <mach/hardware.h> 
  +#include <asm/irq.h> 
  +#include <asm/mach-types.h> 
  + 
  +#include <plat/regs-serial.h> 
  +#include <plat/regs-adc.h> 
  +#include <mach/regs-mem.h> 
  +#include <plat/iic.h> 
  +#include <plat/nand.h> 
  +#include <plat/s3c2410.h> 
  +#include <plat/s3c244x.h> 
  +#include <plat/clock.h> 
  +#include <plat/devs.h> 
  +#include <plat/cpu.h> 
  +#include <plat/udc.h> 
  +#include <plat/pm.h> 
  +#include <plat/ts.h> 
  +#include <plat/mci.h> 
  + 
  +#include <mach/fb.h> 
  +#include <mach/gpio-fns.h> 
  +#include <mach/regs-gpio.h> 
  +#include <mach/regs-lcd.h> 
  +#include <mach/leds-gpio.h> 
  +#include <mach/idle.h> 
  + 
  + 
  +/*NAND*/ 
  + 
  +static struct mtd_partition smdk_default_nand_part[] = { 
  + 
  + [0] = { 
  + 
  + .name = "uboot", 
  + 
  + .offset = 0x00000000, 
  + .size = SZ_2M, 
  + 
  + }, 
  + [1] = { 
  + 
  + .name = "kernel", 
  + .offset = SZ_2M, 
  + .size = SZ_2M + SZ_1M, 
  + }, 
  + 
  + [2] = { 
  + .name = "yaffs2", 
  + .offset = SZ_4M+SZ_1M, 
  + .size = MTDPART_SIZ_FULL, 
  + } 
  +}; 
  + 
  +static struct s3c2410_nand_set smdk_nand_sets[] = { 
  + [0] = { 
  + .disable_ecc = 1, // 在这里设置才是正确的 
  + .name = "NAND", 
  + .nr_chips = 1, 
  + .nr_partitions = ARRAY_SIZE(smdk_default_nand_part), 
  + .partitions = smdk_default_nand_part, 
  + }, 
  +}; 
  + 
  + 
  +static struct s3c2410_platform_nand smdk_nand_info = { 
  + .tacls = 20, 
  + .twrph0 = 60, 
  + .twrph1 = 20, 
  + .nr_sets = ARRAY_SIZE(smdk_nand_sets), 
  + .sets = smdk_nand_sets, 
  +}; 
  + 
  + 
  +/*IO*/ 
  +static struct map_desc tq2440_iodesc[] = { 
  + /* ISA IO Space map (memory space selected by A24) */ 
  + 
  + { 
  + .virtual = (u32)S3C24XX_VA_ISA_WORD, 
  + .pfn = __phys_to_pfn(S3C2410_CS2), 
  + .length = 0x10000, 
  + .type = MT_DEVICE, 
  + }, { 
  + .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000, 
  + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), 
  + .length = SZ_4M, 
  + .type = MT_DEVICE, 
  + }, { 
  + .virtual = (u32)S3C24XX_VA_ISA_BYTE, 
  + .pfn = __phys_to_pfn(S3C2410_CS2), 
  + .length = 0x10000, 
  + .type = MT_DEVICE, 
  + }, { 
  + .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000, 
  + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), 
  + .length = SZ_4M, 
  + .type = MT_DEVICE, 
  + } 
  +}; 
  + 
  +#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK 
  +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB 
  +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE 
  + 
  +static struct s3c2410_uartcfg tq2440_uartcfgs[] = { 
  + [0] = { 
  + .hwport = 0, 
  + .flags = 0, 
  + .ucon = 0x3c5, 
  + .ulcon = 0x03, 
  + .ufcon = 0x51, 
  + }, 
  +}; 
  + 
  +/* LCD driver info */ 
  + 
  +static struct s3c2410fb_display tq2440_lcd_cfg = { 
  + 
  + .lcdcon5 = S3C2410_LCDCON5_FRM565 | 
  + S3C2410_LCDCON5_INVVLINE | 
  + S3C2410_LCDCON5_INVVFRAME | 
  + S3C2410_LCDCON5_PWREN | 
  + S3C2410_LCDCON5_HWSWP, 
  + 
  + .type = S3C2410_LCDCON1_TFT, 
  + 
  +#if defined(CONFIG_FB_S3C24X0_LCD480272) 
  + .width = 480, 
  + .height = 272, 
  + 
  + .pixclock = 40000, /* HCLK 100 MHz, divisor 1 */ 
  + .xres = 480, 
  + .yres = 272, 
  + .bpp = 16, 
  + .left_margin = 15, /* for HFPD*/ 
  + .right_margin = 16, /* for HBPD*/ 
  + .hsync_len = 30, /* for HSPW*/ 
  + .upper_margin = 4, /* for VFPD*/ 
  + .lower_margin = 2, /* for VBPD*/ 
  + .vsync_len = 8, /* for VSPW*/ 
  + 
  +#elif defined(CONFIG_FB_S3C24X0_TFT640480) 
  + .width = 640, 
  + .height = 480, 
  + 
  + .pixclock = 40000, /* HCLK 100 MHz, divisor 1 */ 
  + .xres = 640, 
  + .yres = 480, 
  + .bpp = 16, 
  + .left_margin = 40, /* for HFPD*/ 
  + .right_margin = 67, /* for HBPD*/ 
  + .hsync_len = 31, /* for HSPW*/ 
  + .upper_margin = 5, /* for VFPD*/ 
  + .lower_margin = 25, /* for VBPD*/ 
  + .vsync_len = 1, /* for VSPW*/ 
  + 
  +#else 
  + .width = 240, 
  + .height = 320, 
  + 
  + .pixclock = 166667, /* HCLK 60 MHz, divisor 10 */ 
  + .xres = 240, 
  + .yres = 320, 
  + .bpp = 16, 
  + .left_margin = 20, 
  + .right_margin = 8, 
  + .hsync_len = 4, 
  + .upper_margin = 8, 
  + .lower_margin = 7, 
  + .vsync_len = 4, 
  +#endif 
  + 
  +}; 
  + 
  +static struct s3c2410fb_mach_info tq2440_fb_info = { 
  + .displays = &tq2440_lcd_cfg, 
  + .num_displays = 1, 
  + .default_display = 0, 
  +}; 
  + 
  + 
  +static struct resource s3c_dm9000_resource[] = { 
  + [0] = { 
  + .start = S3C2410_CS4, 
  + .end = S3C2410_CS4+3, 
  + .flags = IORESOURCE_MEM, 
  + }, 
  + 
  + [1] = { 
  + .start = S3C2410_CS4+4, 
  + .end = S3C2410_CS4+4+3, 
  + .flags = IORESOURCE_MEM, 
  + }, 
  + 
  + [2] = { 
  + .start = IRQ_EINT7, 
  + .end =IRQ_EINT7, 
  + .flags =IORESOURCE_IRQ|IORESOURCE_IRQ_HIGHEDGE|IORESOURCE_IRQ_SHAREABLE, 
  + } 
  +}; 
  + 
  +static struct dm9000_plat_data dm9k_plat_data = { 
  + .flags = DM9000_PLATF_16BITONLY|DM9000_PLATF_NO_EEPROM, 
  + .dev_addr = "", 
  + }; 
  + 
  +static struct platform_device s3c_device_dm9k = { 
  + .name = "dm9000", 
  + .id = 0, 
  + .num_resources = ARRAY_SIZE(s3c_dm9000_resource), 
  + .resource = s3c_dm9000_resource, 
  + .dev = { 
  + .platform_data = &dm9k_plat_data, 
  + } 
  +}; 
  + 
  + 
  +/*设置udc回调函数udc_pullup()用于使能/禁止UDC上拉电阻*/ 
  +/*udc*/ 
  +static void udc_pullup(enum s3c2410_udc_cmd_e cmd) 
  +{ 
  + switch(cmd) 
  + { 
  + case S3C2410_UDC_P_ENABLE: 
  + s3c2410_gpio_setpin(S3C2410_GPG(12),1); 
  + break; 
  + case S3C2410_UDC_P_DISABLE: 
  + s3c2410_gpio_setpin(S3C2410_GPG(12),0); 
  + break; 
  + case S3C2410_UDC_P_RESET: 
  + break; 
  + default: 
  + break; 
  + } 
  +} 
  +static struct s3c2410_udc_mach_info udc_machine = { 
  + .udc_command = udc_pullup, 
  +}; 
  + 
  + 
  +/*KEY*/ 
  +static struct gpio_keys_button mini2440_buttons[] = { 
  + { 
  + .gpio = S3C2410_GPF(1), /* K1 */ 
  + .code = KEY_UP, 
  + .desc = "UP", 
  + .active_low = 1, 
  + }, 
  + { 
  + .gpio = S3C2410_GPF(4), /* K2 */ 
  + .code = KEY_DOWN, 
  + .desc = "DOWN", 
  + .active_low = 1, 
  + }, 
  + { 
  + .gpio = S3C2410_GPF(2), /* K3 */ 
  + .code = KEY_LEFT, 
  + .desc = "LEFT", 
  + .active_low = 1, 
  + }, 
  + { 
  + .gpio = S3C2410_GPF(0), /* K4 */ 
  + .code = KEY_RIGHT, 
  + .desc = "RIGHT", 
  + .active_low = 1, 
  + }, 
  + 
  +}; 
  + 
  +static struct gpio_keys_platform_data mini2440_button_data = { 
  + .buttons = mini2440_buttons, 
  + .nbuttons = ARRAY_SIZE(mini2440_buttons), 
  +}; 
  + 
  +static struct platform_device mini2440_button_device = { 
  + .name = "gpio-keys", 
  + .id = -1, 
  + .dev = { 
  + .platform_data = &mini2440_button_data, 
  + } 
  +}; 
  + 
  +/* LED devices */ 
  + 
  +static struct s3c24xx_led_platdata smdk_pdata_led4 = { 
  + .gpio = S3C2410_GPB(5), 
  + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, 
  + .name = "led4", 
  + .def_trigger = "timer", 
  +}; 
  + 
  +static struct s3c24xx_led_platdata smdk_pdata_led5 = { 
  + .gpio = S3C2410_GPB(6), 
  + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, 
  + .name = "led5", 
  + .def_trigger = "nand-disk", 
  +}; 
  + 
  +static struct s3c24xx_led_platdata smdk_pdata_led6 = { 
  + .gpio = S3C2410_GPB(7), 
  + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, 
  + .name = "led6", 
  +}; 
  + 
  +static struct s3c24xx_led_platdata smdk_pdata_led7 = { 
  + .gpio = S3C2410_GPB(8), 
  + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, 
  + .name = "led7", 
  +}; 
  + 
  +static struct platform_device smdk_led4 = { 
  + .name = "s3c24xx_led", 
  + .id = 0, 
  + .dev = { 
  + .platform_data = &smdk_pdata_led4, 
  + }, 
  +}; 
  + 
  +static struct platform_device smdk_led5 = { 
  + .name = "s3c24xx_led", 
  + .id = 1, 
  + .dev = { 
  + .platform_data = &smdk_pdata_led5, 
  + }, 
  +}; 
  + 
  +static struct platform_device smdk_led6 = { 
  + .name = "s3c24xx_led", 
  + .id = 2, 
  + .dev = { 
  + .platform_data = &smdk_pdata_led6, 
  + }, 
  +}; 
  + 
  +static struct platform_device smdk_led7 = { 
  + .name = "s3c24xx_led", 
  + .id = 3, 
  + .dev = { 
  + .platform_data = &smdk_pdata_led7, 
  + }, 
  +}; 
  + 
  +static struct s3c24xx_uda134x_platform_data tq2440_audio_pins = { 
  + .l3_clk = S3C2410_GPB(4), 
  + .l3_data = S3C2410_GPB(3), 
  + .l3_mode = S3C2410_GPB(2), 
  + .model = UDA134X_UDA1341, 
  +}; 
  + 
  +static struct platform_device tq2440_audio = { 
  + .name = "s3c24xx_uda134x", 
  + .id = 0, 
  + .dev = { 
  + .platform_data = &tq2440_audio_pins, 
  + }, 
  +}; 
  + 
  +static struct platform_device uda1340_codec = { 
  + .name = "uda134x-codec", 
  +}; 
  + 
  +/* Touchscreen */ 
  +static struct s3c2410_ts_mach_info tq2400_ts_info = { 
  + .delay = 10000, 
  + .presc = 49, 
  + .oversampling_shift = 2, 
  +}; 
  + 
  +static struct resource s3c_adc_resource[] = { 
  + [0] = { 
  + .start = S3C2410_PA_ADC, 
  + .end = S3C2410_PA_ADC + 0x20 , 
  + .flags = IORESOURCE_MEM, 
  + }, 
  + [1] = { 
  + .start = IRQ_TC, 
  + .end = IRQ_TC, 
  + .flags = IORESOURCE_IRQ, 
  + }, 
  + [2] = { 
  + .start = IRQ_ADC, 
  + .end = IRQ_ADC, 
  + .flags = IORESOURCE_IRQ, 
  + }, 
  +}; 
  + 
  + 
  +/* 
  + * I2C devices 
  + */ 
  +static struct at24_platform_data at24c08 = { 
  + .byte_len = SZ_8K / 8, 
  + .page_size = 16, 
  +}; 
  + 
  +static struct i2c_board_info mini2440_i2c_devs[] = { 
  + { 
  + I2C_BOARD_INFO("24c08", 0x50), 
  + .platform_data = &at24c08, 
  + }, 
  +}; 
  + 
  + 
  +static struct platform_device *tq2440_devices[] = { 
  + &s3c_device_adc, 
  + &s3c_device_ts, 
  + &s3c_device_ohci, // s3c24xx_ohci 
  + &s3c_device_wdt, // 看门狗狗 
  + &s3c_device_lcd, 
  + &s3c_device_i2c0, 
  + &s3c_device_iis, 
  + &s3c_device_nand, // MTD NAND 分区表 
  + &s3c_device_dm9k, // 特别的DM9000网卡芯片 
  + &s3c_device_rtc, 
  + &mini2440_button_device, 
  + &s3c_device_sdi, // SD 卡读卡器 
  + &s3c_device_usbgadget, 
  + &uda1340_codec, 
  + &tq2440_audio, // ALSA 声卡 
  + &samsung_asoc_dma, 
  + &smdk_led4, 
  + &smdk_led5, 
  + &smdk_led6, 
  + &smdk_led7, 
  +}; 
  + 
  +/* MMC/SD */ 
  + 
  +static struct s3c24xx_mci_pdata mini2440_mmc_cfg = { 
  + .gpio_detect = S3C2410_GPG(8), 
  + .gpio_wprotect = S3C2410_GPH(8), 
  + .set_power = NULL, 
  + .ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34, 
  +}; 
  + 
  +static void __init tq2440_map_io(void) 
  +{ 
  + s3c24xx_init_io(tq2440_iodesc, ARRAY_SIZE(tq2440_iodesc)); 
  + s3c24xx_init_clocks(12000000); 
  + s3c24xx_init_uarts(tq2440_uartcfgs, ARRAY_SIZE(tq2440_uartcfgs)); 
  +} 
  + 
  +static void __init tq2440_machine_init(void) 
  +{ 
  + int i; 
  + 
  + s3c24xx_fb_set_platdata(&tq2440_fb_info); 
  + s3c_i2c0_set_platdata(NULL); 
  + 
  + s3c2410_gpio_cfgpin(S3C2410_GPG(8),S3C2410_GPG8_EINT16); 
  + 
  + s3c_nand_set_platdata(&smdk_nand_info); 
  + s3c24xx_mci_set_platdata(&mini2440_mmc_cfg); 
  + 
  +// s3c_device_adc.num_resources = ARRAY_SIZE(s3c_adc_resource); 
  +// s3c_device_adc.resource = s3c_adc_resource; 
  + 
  + s3c_device_ts.dev.platform_data = &tq2400_ts_info; 
  + 
  + 
  +#ifdef CONFIG_DM9000 
  + *((volatile unsigned int *)S3C2410_BANKCON4) = 0x1f7c; //config time seq 
  +#endif 
  + 
  + /* mark the key as input, without pullups (there is one on the board) */ 
  + for ( i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) { 
  + s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP); 
  + s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT); 
  + } 
  + 
  + s3c24xx_mci_set_platdata(&mini2440_mmc_cfg); 
  + 
  + i2c_register_board_info(0, mini2440_i2c_devs, 
  + ARRAY_SIZE(mini2440_i2c_devs)); 
  + 
  + platform_add_devices(tq2440_devices, ARRAY_SIZE(tq2440_devices)); 
  + 
  + s3c2410_gpio_setpin(S3C2410_GPG(12),0); 
  + s3c2410_gpio_cfgpin(S3C2410_GPG(12),S3C2410_GPIO_OUTPUT); 
  + s3c24xx_udc_set_platdata(&udc_machine); 
  +} 
  + 
  +#define MACH_TYPE_168 168 
  +/*For some reason , my machine is ID 168*/ 
  +MACHINE_START(168, "TQ2440-168") 
  + .boot_params = S3C2410_SDRAM_PA + 0x100, 
  + .init_irq = s3c24xx_init_irq, 
  + .map_io = tq2440_map_io, 
  + .init_machine = tq2440_machine_init, 
  + .timer = &s3c24xx_timer, 
  +MACHINE_END 
  + 
  +MACHINE_START(TQ2440, "TQ2440") 
  + .boot_params = S3C2410_SDRAM_PA + 0x100, 
  + .init_irq = s3c24xx_init_irq, 
  + .map_io = tq2440_map_io, 
  + .init_machine = tq2440_machine_init, 
  + .timer = &s3c24xx_timer, 
  +MACHINE_END 
  -- 
  1.7.5.rc3 

  From 119021354fa6001311db9f1df5d3ea8061a35f9b Mon Sep 17 00:00:00 2001 
  From: microcai <microcai@fedoraproject.org> 
  Date: Thu, 5 May 2011 14:40:44 +0800 
  Subject: [PATCH 3/4] add report for ABS_PRESSURE, this fix tslib problem that 
  not been able to detect pen-down and pen-up events. 

  --- 
  drivers/input/touchscreen/s3c2410_ts.c | 3 +++ 
  1 files changed, 3 insertions(+), 0 deletions(-) 

  diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c 
  index 8feb7f3..ecab5d4 100644 
  --- a/drivers/input/touchscreen/s3c2410_ts.c 
  +++ b/drivers/input/touchscreen/s3c2410_ts.c 
  @@ -126,6 +126,7 @@ static void touch_timer_fire(unsigned long data) 
  input_report_abs(ts.input, ABS_Y, ts.yp); 

  input_report_key(ts.input, BTN_TOUCH, 1); 
  + input_report_abs(ts.input, ABS_PRESSURE, 1); 
  input_sync(ts.input); 

  ts.xp = 0; 
  @@ -140,6 +141,7 @@ static void touch_timer_fire(unsigned long data) 
  ts.count = 0; 

  input_report_key(ts.input, BTN_TOUCH, 0); 
  + input_report_abs(ts.input, ABS_PRESSURE, 0); 
  input_sync(ts.input); 

  writel(WAIT4INT | INT_DOWN, ts.io + S3C2410_ADCTSC); 
  @@ -318,6 +320,7 @@ static int __devinit s3c2410ts_probe(struct platform_device *pdev) 
  ts.input->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); 
  input_set_abs_params(ts.input, ABS_X, 0, 0x3FF, 0, 0); 
  input_set_abs_params(ts.input, ABS_Y, 0, 0x3FF, 0, 0); 
  + input_set_abs_params(ts.input, ABS_PRESSURE, 0, 1, 0, 0); 

  ts.input->name = "S3C24XX TouchScreen"; 
  ts.input->id.bustype = BUS_HOST; 
  -- 
  1.7.5.rc3 

  From 4684013358b6edf0e8a790ef32de13a236cf7987 Mon Sep 17 00:00:00 2001 
  From: microcai <microcai@fedoraproject.org> 
  Date: Thu, 5 May 2011 16:19:53 +0800 
  Subject: [PATCH 4/4] fix some time later then driver not response 

  --- 
  drivers/input/touchscreen/s3c2410_ts.c | 1 + 
  1 files changed, 1 insertions(+), 0 deletions(-) 

  diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c 
  index ecab5d4..db868d2 100644 
  --- a/drivers/input/touchscreen/s3c2410_ts.c 
  +++ b/drivers/input/touchscreen/s3c2410_ts.c 
  @@ -227,6 +227,7 @@ static void s3c24xx_ts_select(struct s3c_adc_client *client, unsigned select) 
  if (select) { 
  writel(S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST, 
  ts.io + S3C2410_ADCTSC); 
  + writel(readl(ts.io+S3C2410_ADCCON) | S3C2410_ADCCON_ENABLE_START, ts.io+S3C2410_ADCCON); 
  } else { 
  mod_timer(&touch_timer, jiffies+1); 
  writel(WAIT4INT | INT_UP, ts.io + S3C2410_ADCTSC); 
  -- 
  1.7.5.rc3
Comments
blog comments powered by Disqus