include/media/i2c/lm3560.h

   1 /*
   2  * include/media/i2c/lm3560.h
   3  *
   4  * Copyright (C) 2013 Texas Instruments
   5  *
   6  * Contact: Daniel Jeong <gshark.jeong@gmail.com>
   7  *                      Ldd-Mlp <ldd-mlp@list.ti.com>
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * version 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  */
  19
  20 #ifndef __LM3560_H__
  21 #define __LM3560_H__
  22
  23 #include <media/v4l2-subdev.h>
  24
  25 #define LM3559_NAME     "lm3559"
  26 #define LM3560_NAME     "lm3560"
  27 #define LM3560_I2C_ADDR (0x53)
  28
  29 /*  FLASH Brightness
  30  *      min 62500uA, step 62500uA, max 1000000uA
  31  */
  32 #define LM3560_FLASH_BRT_MIN 62500
  33 #define LM3560_FLASH_BRT_STEP 62500
  34 #define LM3560_FLASH_BRT_MAX 1000000
  35 #define LM3560_FLASH_BRT_uA_TO_REG(a)   \
  36         ((a) < LM3560_FLASH_BRT_MIN ? 0 :       \
  37          (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP))
  38 #define LM3560_FLASH_BRT_REG_TO_uA(a)           \
  39         ((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN)
  40
  41 /*  FLASH TIMEOUT DURATION
  42  *      min 32ms, step 32ms, max 1024ms
  43  */
  44 #define LM3560_FLASH_TOUT_MIN 32
  45 #define LM3560_FLASH_TOUT_STEP 32
  46 #define LM3560_FLASH_TOUT_MAX 1024
  47 #define LM3560_FLASH_TOUT_ms_TO_REG(a)  \
  48         ((a) < LM3560_FLASH_TOUT_MIN ? 0 :      \
  49          (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP))
  50 #define LM3560_FLASH_TOUT_REG_TO_ms(a)          \
  51         ((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN)
  52
  53 /*  TORCH BRT
  54  *      min 31250uA, step 31250uA, max 250000uA
  55  */
  56 #define LM3560_TORCH_BRT_MIN 31250
  57 #define LM3560_TORCH_BRT_STEP 31250
  58 #define LM3560_TORCH_BRT_MAX 250000
  59 #define LM3560_TORCH_BRT_uA_TO_REG(a)   \
  60         ((a) < LM3560_TORCH_BRT_MIN ? 0 :       \
  61          (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP))
  62 #define LM3560_TORCH_BRT_REG_TO_uA(a)           \
  63         ((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN)
  64
  65 enum lm3560_led_id {
  66         LM3560_LED0 = 0,
  67         LM3560_LED1,
  68         LM3560_LED_MAX
  69 };
  70
  71 enum lm3560_peak_current {
  72         LM3560_PEAK_1600mA = 0x00,
  73         LM3560_PEAK_2300mA = 0x20,
  74         LM3560_PEAK_3000mA = 0x40,
  75         LM3560_PEAK_3600mA = 0x60
  76 };
  77
  78 /* struct lm3560_platform_data
  79  *
  80  * @peak :  peak current
  81  * @max_flash_timeout: flash timeout
  82  * @max_flash_brt: flash mode led brightness
  83  * @max_torch_brt: torch mode led brightness
  84  */
  85 struct lm3560_platform_data {
  86         enum lm3560_peak_current peak;
  87
  88         u32 max_flash_timeout;
  89         u32 max_flash_brt[LM3560_LED_MAX];
  90         u32 max_torch_brt[LM3560_LED_MAX];
  91 };
  92
  93 #endif /* __LM3560_H__ */