media/i2c/lm3560.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * include/media/i2c/lm3560.h
0004  *
0005  * Copyright (C) 2013 Texas Instruments
0006  *
0007  * Contact: Daniel Jeong <gshark.jeong@gmail.com>
0008  *          Ldd-Mlp <ldd-mlp@list.ti.com>
0009  */
0010
0011 #ifndef __LM3560_H__
0012 #define __LM3560_H__
0013
0014 #include <media/v4l2-subdev.h>
0015
0016 #define LM3559_NAME "lm3559"
0017 #define LM3560_NAME "lm3560"
0018 #define LM3560_I2C_ADDR (0x53)
0019
0020 /*  FLASH Brightness
0021  *  min 62500uA, step 62500uA, max 1000000uA
0022  */
0023 #define LM3560_FLASH_BRT_MIN 62500
0024 #define LM3560_FLASH_BRT_STEP 62500
0025 #define LM3560_FLASH_BRT_MAX 1000000
0026 #define LM3560_FLASH_BRT_uA_TO_REG(a)   \
0027     ((a) < LM3560_FLASH_BRT_MIN ? 0 :   \
0028      (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP))
0029 #define LM3560_FLASH_BRT_REG_TO_uA(a)       \
0030     ((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN)
0031
0032 /*  FLASH TIMEOUT DURATION
0033  *  min 32ms, step 32ms, max 1024ms
0034  */
0035 #define LM3560_FLASH_TOUT_MIN 32
0036 #define LM3560_FLASH_TOUT_STEP 32
0037 #define LM3560_FLASH_TOUT_MAX 1024
0038 #define LM3560_FLASH_TOUT_ms_TO_REG(a)  \
0039     ((a) < LM3560_FLASH_TOUT_MIN ? 0 :  \
0040      (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP))
0041 #define LM3560_FLASH_TOUT_REG_TO_ms(a)      \
0042     ((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN)
0043
0044 /*  TORCH BRT
0045  *  min 31250uA, step 31250uA, max 250000uA
0046  */
0047 #define LM3560_TORCH_BRT_MIN 31250
0048 #define LM3560_TORCH_BRT_STEP 31250
0049 #define LM3560_TORCH_BRT_MAX 250000
0050 #define LM3560_TORCH_BRT_uA_TO_REG(a)   \
0051     ((a) < LM3560_TORCH_BRT_MIN ? 0 :   \
0052      (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP))
0053 #define LM3560_TORCH_BRT_REG_TO_uA(a)       \
0054     ((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN)
0055
0056 enum lm3560_led_id {
0057     LM3560_LED0 = 0,
0058     LM3560_LED1,
0059     LM3560_LED_MAX
0060 };
0061
0062 enum lm3560_peak_current {
0063     LM3560_PEAK_1600mA = 0x00,
0064     LM3560_PEAK_2300mA = 0x20,
0065     LM3560_PEAK_3000mA = 0x40,
0066     LM3560_PEAK_3600mA = 0x60
0067 };
0068
0069 /* struct lm3560_platform_data
0070  *
0071  * @peak :  peak current
0072  * @max_flash_timeout: flash timeout
0073  * @max_flash_brt: flash mode led brightness
0074  * @max_torch_brt: torch mode led brightness
0075  */
0076 struct lm3560_platform_data {
0077     enum lm3560_peak_current peak;
0078
0079     u32 max_flash_timeout;
0080     u32 max_flash_brt[LM3560_LED_MAX];
0081     u32 max_torch_brt[LM3560_LED_MAX];
0082 };
0083
0084 #endif /* __LM3560_H__ */