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__ */ 94