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/*
* include/media/lm3646.h
*
* Copyright (C) 2014 Texas Instruments
*
* Contact: Daniel Jeong <gshark.jeong@gmail.com>
* Ldd-Mlp <ldd-mlp@list.ti.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.
*/
#ifndef __LM3646_H__
#define __LM3646_H__
#include <media/v4l2-subdev.h>
#define LM3646_NAME "lm3646"
#define LM3646_I2C_ADDR_REV1 (0x67)
#define LM3646_I2C_ADDR_REV0 (0x63)
/* TOTAL FLASH Brightness Max
* min 93350uA, step 93750uA, max 1499600uA
*/
#define LM3646_TOTAL_FLASH_BRT_MIN 93350
#define LM3646_TOTAL_FLASH_BRT_STEP 93750
#define LM3646_TOTAL_FLASH_BRT_MAX 1499600
#define LM3646_TOTAL_FLASH_BRT_uA_TO_REG(a) \
((a) < LM3646_TOTAL_FLASH_BRT_MIN ? 0 : \
((((a) - LM3646_TOTAL_FLASH_BRT_MIN) / LM3646_TOTAL_FLASH_BRT_STEP)))
/* TOTAL TORCH Brightness Max
* min 23040uA, step 23430uA, max 187100uA
*/
#define LM3646_TOTAL_TORCH_BRT_MIN 23040
#define LM3646_TOTAL_TORCH_BRT_STEP 23430
#define LM3646_TOTAL_TORCH_BRT_MAX 187100
#define LM3646_TOTAL_TORCH_BRT_uA_TO_REG(a) \
((a) < LM3646_TOTAL_TORCH_BRT_MIN ? 0 : \
((((a) - LM3646_TOTAL_TORCH_BRT_MIN) / LM3646_TOTAL_TORCH_BRT_STEP)))
/* LED1 FLASH Brightness
* min 23040uA, step 11718uA, max 1499600uA
*/
#define LM3646_LED1_FLASH_BRT_MIN 23040
#define LM3646_LED1_FLASH_BRT_STEP 11718
#define LM3646_LED1_FLASH_BRT_MAX 1499600
#define LM3646_LED1_FLASH_BRT_uA_TO_REG(a) \
((a) <= LM3646_LED1_FLASH_BRT_MIN ? 0 : \
((((a) - LM3646_LED1_FLASH_BRT_MIN) / LM3646_LED1_FLASH_BRT_STEP))+1)
/* LED1 TORCH Brightness
* min 2530uA, step 1460uA, max 187100uA
*/
#define LM3646_LED1_TORCH_BRT_MIN 2530
#define LM3646_LED1_TORCH_BRT_STEP 1460
#define LM3646_LED1_TORCH_BRT_MAX 187100
#define LM3646_LED1_TORCH_BRT_uA_TO_REG(a) \
((a) <= LM3646_LED1_TORCH_BRT_MIN ? 0 : \
((((a) - LM3646_LED1_TORCH_BRT_MIN) / LM3646_LED1_TORCH_BRT_STEP))+1)
/* FLASH TIMEOUT DURATION
* min 50ms, step 50ms, max 400ms
*/
#define LM3646_FLASH_TOUT_MIN 50
#define LM3646_FLASH_TOUT_STEP 50
#define LM3646_FLASH_TOUT_MAX 400
#define LM3646_FLASH_TOUT_ms_TO_REG(a) \
((a) <= LM3646_FLASH_TOUT_MIN ? 0 : \
(((a) - LM3646_FLASH_TOUT_MIN) / LM3646_FLASH_TOUT_STEP))
/* struct lm3646_platform_data
*
* @flash_timeout: flash timeout
* @led1_flash_brt: led1 flash mode brightness, uA
* @led1_torch_brt: led1 torch mode brightness, uA
*/
struct lm3646_platform_data {
u32 flash_timeout;
u32 led1_flash_brt;
u32 led1_torch_brt;
};
#endif /* __LM3646_H__ */