199 lines
4.0 KiB
C
Executable File
199 lines
4.0 KiB
C
Executable File
/*
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* Led driver for Toshiba G900
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive for
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* more details.
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach-types.h>
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#include <mach/hardware.h>
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#include <mach/mfp-pxa27x.h>
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#include <mach/pxa2xx-regs.h>
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#include <mach/g900-gpio.h>
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#include <linux/platform_device.h>
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#include <mach/gpio.h>
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#include <asm/gpio.h>
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#include <linux/leds.h>
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#include "../generic.h"
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#ifdef CONFIG_ANDROID_TIMED_GPIO
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#include <linux/timed_gpio.h>
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#endif
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/***********************************************/
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/************** Leds and vibrator **************/
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/***********************************************/
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static struct gpio_led gpio_leds[] = {
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#ifndef CONFIG_ANDROID_TIMED_GPIO
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{
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.gpio = GPIO16_LED_nVibra,
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.name = "vibrator",
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.active_low = 0,
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.default_trigger = "none"
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},
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{
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.gpio = GPIO37_LED_nFlash,
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.name = "flash",
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.active_low = 0,
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.default_trigger = "none"
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},
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#endif
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{
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.gpio = GPIO85_LED_nKeyboard,
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.name = "keyboard-backlight",
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.active_low = 0,
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.default_trigger = "none"
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},
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{
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.gpio = GPIO86_LED_nKeypad,
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.name = "button-backlight",
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.active_low = 0,
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.default_trigger = "none"
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},
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};
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#ifdef CONFIG_ANDROID_TIMED_GPIO
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static struct timed_gpio timed_gpio_cnf[] = {
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{
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.gpio = GPIO16_LED_nVibra,
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.name = "vibrator",
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.active_low = 0,
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.max_timeout = 4000,
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},
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{
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.gpio = GPIO37_LED_nFlash,
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.name = "flash",
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.active_low = 0,
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.max_timeout = 4000,
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},
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};
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static struct timed_gpio_platform_data g900_timed_gpio_data = {
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.gpios = timed_gpio_cnf,
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.num_gpios = ARRAY_SIZE(timed_gpio_cnf),
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};
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static struct platform_device g900_timed_gpio = {
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.name = "timed-gpio",
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.id = -1,
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.dev = {
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.platform_data = &g900_timed_gpio_data,
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}
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};
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#endif
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static struct gpio_led_platform_data g900_gpio_leds_data = {
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.leds = gpio_leds,
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.num_leds = ARRAY_SIZE(gpio_leds),
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};
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static struct platform_device g900_gpio_leds = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &g900_gpio_leds_data,
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}
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};
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/***********************************************/
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/**************** Backlight LCD ****************/
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/***********************************************/
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#if 0
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/**
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Legacy backlight support
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*/
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#include <linux/pwm_backlight.h>
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static struct platform_pwm_backlight_data g900_backlight_data = {
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.pwm_id = 1,
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.max_brightness = 100,
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.dft_brightness = 75,
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.pwm_period_ns = 861280, /* 76.9 ns * 64 * 175 */
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/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>? <20> <20><> <20><><EFBFBD> 30% <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>*/
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};
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static struct platform_device g900_backlight = {
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.name = "pwm-backlight",
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.dev = {
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.parent = &pxa27x_device_pwm1.dev,
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.platform_data = &g900_backlight_data,
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},
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};
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#else
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/**
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Android backlight support
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*/
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#include <linux/leds_pwm.h>
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static struct led_pwm g900_pwm_leds[] __initdata = {
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{
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.name = "lcd-backlight",
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.pwm_id = 1,
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.max_brightness = 255,
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.pwm_period_ns = 861280, /* 76.9 ns * 64 * 175 */
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.default_trigger= "none",
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.active_low = 0,
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},
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};
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static struct led_pwm_platform_data g900_backlight_data = {
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.num_leds = 1,
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.leds = g900_pwm_leds,
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};
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static struct platform_device g900_lcd_backlight = {
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.name = "leds_pwm",
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.dev = {
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.platform_data = &g900_backlight_data,
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},
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};
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#endif
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static struct platform_device *g900_leds[] __initdata = {
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&g900_gpio_leds,
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&g900_lcd_backlight,
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#ifdef CONFIG_ANDROID_TIMED_GPIO
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&g900_timed_gpio, /* BUG !*/
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#endif
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};
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static int __init g900_leds_init (void)
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{
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if (!machine_is_g900())
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return -ENODEV;
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return platform_add_devices(ARRAY_AND_SIZE(g900_leds));
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}
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static void __exit g900_leds_exit (void)
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{
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}
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module_init(g900_leds_init);
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module_exit(g900_leds_exit);
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MODULE_AUTHOR ("Angell Fear <angell@angellfear.ru>");
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MODULE_DESCRIPTION ("Leds support for Toshiba G900");
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MODULE_LICENSE ("GPL");
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