/*
 * Led driver for Toshiba G900
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive for
 * more details.
 */

#include <linux/module.h>
#include <linux/init.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <mach/mfp-pxa27x.h>
#include <mach/pxa2xx-regs.h>
#include <mach/g900-gpio.h>
#include <linux/platform_device.h>
#include <mach/gpio.h>
#include <asm/gpio.h>
#include <linux/leds.h>
#include "../generic.h"

#ifdef CONFIG_ANDROID_TIMED_GPIO

#include <linux/timed_gpio.h>

#endif

/***********************************************/
/************** Leds and vibrator **************/
/***********************************************/



static struct gpio_led gpio_leds[] = {
#ifndef CONFIG_ANDROID_TIMED_GPIO
	{  
		.gpio = GPIO16_LED_nVibra, 
		.name = "vibrator", 
		.active_low = 0, 
		.default_trigger = "none" 
	},
	{ 
		.gpio = GPIO37_LED_nFlash, 
		.name = "flash", 
		.active_low = 0, 
		.default_trigger = "none" 
	},
#endif
	{ 
		.gpio = GPIO85_LED_nKeyboard, 
		.name = "keyboard-backlight", 
		.active_low = 0, 
		.default_trigger = "none" 
	},
	{ 
		.gpio = GPIO86_LED_nKeypad, 
		.name = "button-backlight", 
		.active_low = 0, 
		.default_trigger = "none" 
	},
};

#ifdef CONFIG_ANDROID_TIMED_GPIO
	static struct timed_gpio timed_gpio_cnf[] = {
		{  
			.gpio = GPIO16_LED_nVibra, 
			.name = "vibrator", 
			.active_low = 0, 
			.max_timeout = 400,
		},
		{ 
			.gpio = GPIO37_LED_nFlash, 
			.name = "flash", 
			.active_low = 0, 
			.max_timeout = 400,
		},
	};	
	static struct timed_gpio_platform_data g900_timed_gpio_data = {
		.gpios = timed_gpio_cnf,
		.num_gpios = ARRAY_SIZE(timed_gpio_cnf),
	};
	
	static struct platform_device g900_timed_gpio = {
	.name		= "timed-gpio",
	.id		= -1,
	.dev		= {
		.platform_data	= 	&g900_timed_gpio_data,		
	   }
    };
#endif

	static struct gpio_led_platform_data g900_gpio_leds_data = {
		.leds = gpio_leds,
		.num_leds = ARRAY_SIZE(gpio_leds),
	};
	
	static struct platform_device g900_gpio_leds = {
	.name		= "leds-gpio",
	.id		= -1,
	.dev		= {
		.platform_data	= 	&g900_gpio_leds_data,		
	   }
    };
	


	
	
	

/***********************************************/
/**************** Backlight LCD ****************/
/***********************************************/
#if 0
/**
	Legacy backlight support 
*/
#include <linux/pwm_backlight.h>

static struct platform_pwm_backlight_data g900_backlight_data = {
	.pwm_id		= 1,
	.max_brightness	= 100,
	.dft_brightness	= 75,
	.pwm_period_ns	= 861280, /* 76.9 ns * 64 * 175 */
	/* период похоже не правельный? а то при 30% только еле видно*/
};

static struct platform_device g900_backlight = {
	.name		= "pwm-backlight",
	.dev		= {
		.parent = &pxa27x_device_pwm1.dev,
		.platform_data = &g900_backlight_data,
	},
};

#else
/**
	Android backlight support 
*/
#include <linux/leds_pwm.h>

static struct led_pwm g900_pwm_leds[] __initdata = {
	{
		.name 			= "lcd-backlight",		
		.pwm_id 		= 1,		
		.max_brightness	= 255,
		.pwm_period_ns	= 861280, /* 76.9 ns * 64 * 175 */
		.default_trigger= "none",
		.active_low		= 0,
	},
};

static struct led_pwm_platform_data g900_backlight_data = {
	.num_leds		= 1,
	.leds	= g900_pwm_leds,
};

static struct platform_device g900_lcd_backlight = {
	.name		= "leds_pwm",
	.dev		= {
		.platform_data = &g900_backlight_data,
	},
};

#endif

	static struct platform_device *g900_leds[] __initdata = {
		&g900_gpio_leds,
		&g900_lcd_backlight,
#ifdef CONFIG_ANDROID_TIMED_GPIO
		//&g900_timed_gpio,        /* BUG !*/
#endif
	};
	
	
static int __init g900_leds_init (void)
{
	
	if (!machine_is_g900())
		return -ENODEV;
	return 	platform_add_devices(ARRAY_AND_SIZE(g900_leds));

}

static void __exit g900_leds_exit (void)
{

}

module_init(g900_leds_init);
module_exit(g900_leds_exit);


MODULE_AUTHOR ("Angell Fear <angell@angellfear.ru>");
MODULE_DESCRIPTION ("Leds support for Toshiba G900");                         
MODULE_LICENSE ("GPL");