/*
 * leds-s2mu005.h - Flash-led driver for Samsung S2MU003
 *
 * Copyright (C) 2015 Samsung Electronics
 *
 * 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.
 *
 */
#ifndef __LEDS_S2MU005_H__
#define __LEDS_S2MU005_H__

#ifdef CONFIG_MUIC_NOTIFIER
#include <linux/muic/muic.h>
#include <linux/muic/muic_notifier.h>
#endif /* CONFIG_MUIC_NOTIFIER */

#define S2MU005_EN_CHANNEL_SHARE_MASK 0x80
#define S2MU005_BOOST_VOUT_FLASH_MASK 0x1F

#define S2MU005_TIMEOUT_MAX 0xF

#define S2MU005_FLASH_IOUT_MASK 0x1F
#define S2MU005_TORCH_IOUT_MASK 0x0F

#define S2MU005_CH1_FLASH_ON_I2C 0xC0
#define S2MU005_CH1_TORCH_ON_I2C 0x30
#define S2MU005_CH2_FLASH_ON_I2C 0x0C
#define S2MU005_CH2_TORCH_ON_I2C 0x03

#define S2MU005_CH1_FLASH_ON_GPIO 0x40
#define S2MU005_CH1_TORCH_ON_GPIO 0x20
#define S2MU005_CH2_FLASH_ON_GPIO 0x04
#define S2MU005_CH2_TORCH_ON_GPIO 0x02

#define S2MU005_CH1_FLASH_ENABLE_MASK 0xC0
#define S2MU005_CH1_TORCH_ENABLE_MASK 0x30
#define S2MU005_CH2_FLASH_ENABLE_MASK 0x0C
#define S2MU005_CH2_TORCH_ENABLE_MASK 0x03

#define S2MU005_FLASH_TORCH_OFF 0x00
#define S2MU005_FLASH_BOOST_EN_MASK 0x40

#define S2MU005_FLASH_LIGHT_MAX 5

enum s2mu005_led_id {
	S2MU005_OFF,
	S2MU005_FLASH_LED = 0,
	S2MU005_TORCH_LED,
	S2MU005_LED_MAX,
};

enum torch_step_current {
	STEP0_CURRENT = 25,
	STEP1_CURRENT = 50,
	STEP2_CURRENT = 75,
	STEP3_CURRENT = 100,
	STEP4_CURRENT = 150,
};

enum s2mu005_flash_current {
	S2MU005_FLASH_OUT_I_25MA,
	S2MU005_FLASH_OUT_I_50MA,
	S2MU005_FLASH_OUT_I_75MA,
	S2MU005_FLASH_OUT_I_100MA,
	S2MU005_FLASH_OUT_I_125MA,
	S2MU005_FLASH_OUT_I_150MA,
	S2MU005_FLASH_OUT_I_175MA,
	S2MU005_FLASH_OUT_I_200MA,
	S2MU005_FLASH_OUT_I_225MA,
	S2MU005_FLASH_OUT_I_250MA,
	S2MU005_FLASH_OUT_I_275MA,
	S2MU005_FLASH_OUT_I_300MA,
	S2MU005_FLASH_OUT_I_325MA,
	S2MU005_FLASH_OUT_I_350MA,
	S2MU005_FLASH_OUT_I_375MA,
	S2MU005_FLASH_OUT_I_400MA,
	S2MU005_FLASH_OUT_I_450MA,
	S2MU005_FLASH_OUT_I_500MA,
	S2MU005_FLASH_OUT_I_550MA,
	S2MU005_FLASH_OUT_I_600MA,
	S2MU005_FLASH_OUT_I_650MA,
	S2MU005_FLASH_OUT_I_700MA,
	S2MU005_FLASH_OUT_I_755MA,
	S2MU005_FLASH_OUT_I_800MA,
	S2MU005_FLASH_OUT_I_850MA,
	S2MU005_FLASH_OUT_I_900MA,
	S2MU005_FLASH_OUT_I_950MA,
	S2MU005_FLASH_OUT_I_1000MA,
	S2MU005_FLASH_OUT_I_1050MA,
	S2MU005_FLASH_OUT_I_1100MA,
	S2MU005_FLASH_OUT_I_1150MA,
	S2MU005_FLASH_OUT_I_1200MA,
};

enum s2mu005_torch_current {
	S2MU005_TORCH_OUT_I_25MA,
	S2MU005_TORCH_OUT_I_50MA,
	S2MU005_TORCH_OUT_I_75MA,
	S2MU005_TORCH_OUT_I_100MA,
	S2MU005_TORCH_OUT_I_125MA,
	S2MU005_TORCH_OUT_I_150MA,
	S2MU005_TORCH_OUT_I_175MA,
	S2MU005_TORCH_OUT_I_200MA,
	S2MU005_TORCH_OUT_I_225MA,
	S2MU005_TORCH_OUT_I_250MA,
	S2MU005_TORCH_OUT_I_275MA,
	S2MU005_TORCH_OUT_I_300MA,
	S2MU005_TORCH_OUT_I_325MA,
	S2MU005_TORCH_OUT_I_350MA,
	S2MU005_TORCH_OUT_I_375MA,
	S2MU005_TORCH_OUT_I_400MA
};

enum s2mu005_flash_timeout {
	S2MU005_FLASH_TIMEOUT_62MS,
	S2MU005_FLASH_TIMEOUT_124MS,
	S2MU005_FLASH_TIMEOUT_186MS,
	S2MU005_FLASH_TIMEOUT_248MS,
	S2MU005_FLASH_TIMEOUT_310MS,
	S2MU005_FLASH_TIMEOUT_372MS,
	S2MU005_FLASH_TIMEOUT_434MS,
	S2MU005_FLASH_TIMEOUT_496MS,
	S2MU005_FLASH_TIMEOUT_558MS,
	S2MU005_FLASH_TIMEOUT_620MS,
	S2MU005_FLASH_TIMEOUT_682MS,
	S2MU005_FLASH_TIMEOUT_744MS,
	S2MU005_FLASH_TIMEOUT_806MS,
	S2MU005_FLASH_TIMEOUT_868MS,
	S2MU005_FLASH_TIMEOUT_930MS,
	S2MU005_FLASH_TIMEOUT_992MS,
};


enum s2mu005_torch_timeout {
	S2MU005_TORCH_TIMEOUT_262MS,
	S2MU005_TORCH_TIMEOUT_524MS,
	S2MU005_TORCH_TIMEOUT_768MS,
	S2MU005_TORCH_TIMEOUT_1048MS,
	S2MU005_TORCH_TIMEOUT_1572MS,
	S2MU005_TORCH_TIMEOUT_2096MS,
	S2MU005_TORCH_TIMEOUT_2620MS,
	S2MU005_TORCH_TIMEOUT_3144MS,
	S2MU005_TORCH_TIMEOUT_4192MS,
	S2MU005_TORCH_TIMEOUT_5242MS,
	S2MU005_TORCH_TIMEOUT_6291MS,
	S2MU005_TORCH_TIMEOUT_7340MS,
	S2MU005_TORCH_TIMEOUT_9437MS,
	S2MU005_TORCH_TIMEOUT_11534MS,
	S2MU005_TORCH_TIMEOUT_13631MS,
	S2MU005_TORCH_TIMEOUT_15728MS,
};

enum s2mu005_fled_mode {
	S2MU005_FLED_MODE_OFF = 0,
	S2MU005_FLED_MODE_PREFLASH,
	S2MU005_FLED_MODE_FLASH,
	S2MU005_FLED_MODE_MOVIE,
};

enum s2mu005_fled_select {
	S2MU005_FLED_OFF = 0,
	S2MU005_FLED_CH1,	/* FLED1 */
	S2MU005_FLED_CH2,	/* FLED2 */
};

#define S2MU005_FLASH_BRIGHTNESS(mA) mA<=400?(((mA-25)/25) & 0x1f):(((((mA-400)/50)+0x0F)) & 0x1f)
#define S2MU005_TORCH_BRIGHTNESS(mA) (((mA - 25) /25) & 0x0f)

struct s2mu005_led {
	const char *name;
	u32 id;
	int brightness;
	int timeout;
	int max_brightness;
};

struct s2mu005_fled_platform_data {
	int num_leds;
	struct s2mu005_led leds[S2MU005_LED_MAX];
	int torch_pin;
	int flash_pin;
	unsigned int flash_brightness;
	unsigned int preflash_brightness;
	unsigned int movie_brightness;
	unsigned int torch_brightness;
	unsigned int factory_brightness;
#if defined(CONFIG_LEDS_SUPPORT_FRONT_FLASH)
	unsigned int front_brightness;
#endif
	unsigned int flashlight_current[S2MU005_FLASH_LIGHT_MAX];
};
int s2mu005_led_dump_reg(void);
#ifdef CONFIG_LEDS_SUPPORT_FRONT_FLASH
int s2mu005_led_select_ctrl(int ch);
int s2mu005_led_set_front_flash_brightness(int brightness);
#endif
int s2mu005_led_mode_ctrl(int mode);
#endif