include/media/i2c/lm3560.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * include/media/i2c/lm3560.h
   4  *
   5  * Copyright (C) 2013 Texas Instruments
   6  *
   7  * Contact: Daniel Jeong <gshark.jeong@gmail.com>
   8  *                      Ldd-Mlp <ldd-mlp@list.ti.com>
   9  */
  10
  11 #ifndef __LM3560_H__
  12 #define __LM3560_H__
  13
  14 #include <media/v4l2-subdev.h>
  15
  16 #define LM3559_NAME     "lm3559"
  17 #define LM3560_NAME     "lm3560"
  18 #define LM3560_I2C_ADDR (0x53)
  19
  20 /*  FLASH Brightness
  21  *      min 62500uA, step 62500uA, max 1000000uA
  22  */
  23 #define LM3560_FLASH_BRT_MIN 62500
  24 #define LM3560_FLASH_BRT_STEP 62500
  25 #define LM3560_FLASH_BRT_MAX 1000000
  26 #define LM3560_FLASH_BRT_uA_TO_REG(a)   \
  27         ((a) < LM3560_FLASH_BRT_MIN ? 0 :       \
  28          (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP))
  29 #define LM3560_FLASH_BRT_REG_TO_uA(a)           \
  30         ((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN)
  31
  32 /*  FLASH TIMEOUT DURATION
  33  *      min 32ms, step 32ms, max 1024ms
  34  */
  35 #define LM3560_FLASH_TOUT_MIN 32
  36 #define LM3560_FLASH_TOUT_STEP 32
  37 #define LM3560_FLASH_TOUT_MAX 1024
  38 #define LM3560_FLASH_TOUT_ms_TO_REG(a)  \
  39         ((a) < LM3560_FLASH_TOUT_MIN ? 0 :      \
  40          (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP))
  41 #define LM3560_FLASH_TOUT_REG_TO_ms(a)          \
  42         ((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN)
  43
  44 /*  TORCH BRT
  45  *      min 31250uA, step 31250uA, max 250000uA
  46  */
  47 #define LM3560_TORCH_BRT_MIN 31250
  48 #define LM3560_TORCH_BRT_STEP 31250
  49 #define LM3560_TORCH_BRT_MAX 250000
  50 #define LM3560_TORCH_BRT_uA_TO_REG(a)   \
  51         ((a) < LM3560_TORCH_BRT_MIN ? 0 :       \
  52          (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP))
  53 #define LM3560_TORCH_BRT_REG_TO_uA(a)           \
  54         ((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN)
  55
  56 enum lm3560_led_id {
  57         LM3560_LED0 = 0,
  58         LM3560_LED1,
  59         LM3560_LED_MAX
  60 };
  61
  62 enum lm3560_peak_current {
  63         LM3560_PEAK_1600mA = 0x00,
  64         LM3560_PEAK_2300mA = 0x20,
  65         LM3560_PEAK_3000mA = 0x40,
  66         LM3560_PEAK_3600mA = 0x60
  67 };
  68
  69 /* struct lm3560_platform_data
  70  *
  71  * @peak :  peak current
  72  * @max_flash_timeout: flash timeout
  73  * @max_flash_brt: flash mode led brightness
  74  * @max_torch_brt: torch mode led brightness
  75  */
  76 struct lm3560_platform_data {
  77         enum lm3560_peak_current peak;
  78
  79         u32 max_flash_timeout;
  80         u32 max_flash_brt[LM3560_LED_MAX];
  81         u32 max_torch_brt[LM3560_LED_MAX];
  82 };
  83
  84 #endif /* __LM3560_H__ */