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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/media/i2c/lm3560.h
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/* SPDX-License-Identifier: GPL-2.0-only */

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/*

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 * include/media/i2c/lm3560.h

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 *

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 * Copyright (C) 2013 Texas Instruments

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 *

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 * Contact: Daniel Jeong <[email protected]>

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 *			Ldd-Mlp <[email protected]>

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 */

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#ifndef __LM3560_H__

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#define __LM3560_H__

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#include <media/v4l2-subdev.h>

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#define LM3559_NAME	"lm3559"

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#define LM3560_NAME	"lm3560"

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#define LM3560_I2C_ADDR	(0x53)

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/*  FLASH Brightness

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 *	min 62500uA, step 62500uA, max 1000000uA

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 */

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#define LM3560_FLASH_BRT_MIN 62500

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#define LM3560_FLASH_BRT_STEP 62500

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#define LM3560_FLASH_BRT_MAX 1000000

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#define LM3560_FLASH_BRT_uA_TO_REG(a)	\

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	((a) < LM3560_FLASH_BRT_MIN ? 0 :	\

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	 (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP))

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#define LM3560_FLASH_BRT_REG_TO_uA(a)		\

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	((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN)

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/*  FLASH TIMEOUT DURATION

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 *	min 32ms, step 32ms, max 1024ms

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 */

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#define LM3560_FLASH_TOUT_MIN 32

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#define LM3560_FLASH_TOUT_STEP 32

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#define LM3560_FLASH_TOUT_MAX 1024

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#define LM3560_FLASH_TOUT_ms_TO_REG(a)	\

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	((a) < LM3560_FLASH_TOUT_MIN ? 0 :	\

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	 (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP))

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#define LM3560_FLASH_TOUT_REG_TO_ms(a)		\

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	((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN)

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/*  TORCH BRT

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 *	min 31250uA, step 31250uA, max 250000uA

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 */

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#define LM3560_TORCH_BRT_MIN 31250

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#define LM3560_TORCH_BRT_STEP 31250

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#define LM3560_TORCH_BRT_MAX 250000

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#define LM3560_TORCH_BRT_uA_TO_REG(a)	\

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	((a) < LM3560_TORCH_BRT_MIN ? 0 :	\

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	 (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP))

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#define LM3560_TORCH_BRT_REG_TO_uA(a)		\

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	((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN)

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enum lm3560_led_id {

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	LM3560_LED0 = 0,

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	LM3560_LED1,

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	LM3560_LED_MAX

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};

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enum lm3560_peak_current {

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	LM3560_PEAK_1600mA = 0x00,

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	LM3560_PEAK_2300mA = 0x20,

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	LM3560_PEAK_3000mA = 0x40,

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	LM3560_PEAK_3600mA = 0x60

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};

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/* struct lm3560_platform_data

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 *

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 * @peak :  peak current

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 * @max_flash_timeout: flash timeout

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 * @max_flash_brt: flash mode led brightness

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 * @max_torch_brt: torch mode led brightness

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 */

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struct lm3560_platform_data {

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	enum lm3560_peak_current peak;

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	u32 max_flash_timeout;

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	u32 max_flash_brt[LM3560_LED_MAX];

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	u32 max_torch_brt[LM3560_LED_MAX];

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};

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#endif /* __LM3560_H__ */

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