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 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 21 * 02110-1301 USA 22 * 23 */ 24 25 #ifndef __LM3560_H__ 26 #define __LM3560_H__ 27 28 #include <media/v4l2-subdev.h> 29 30 #define LM3560_NAME "lm3560" 31 #define LM3560_I2C_ADDR (0x53) 32 33 /* FLASH Brightness 34 * min 62500uA, step 62500uA, max 1000000uA 35 */ 36 #define LM3560_FLASH_BRT_MIN 62500 37 #define LM3560_FLASH_BRT_STEP 62500 38 #define LM3560_FLASH_BRT_MAX 1000000 39 #define LM3560_FLASH_BRT_uA_TO_REG(a) \ 40 ((a) < LM3560_FLASH_BRT_MIN ? 0 : \ 41 (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP)) 42 #define LM3560_FLASH_BRT_REG_TO_uA(a) \ 43 ((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN) 44 45 /* FLASH TIMEOUT DURATION 46 * min 32ms, step 32ms, max 1024ms 47 */ 48 #define LM3560_FLASH_TOUT_MIN 32 49 #define LM3560_FLASH_TOUT_STEP 32 50 #define LM3560_FLASH_TOUT_MAX 1024 51 #define LM3560_FLASH_TOUT_ms_TO_REG(a) \ 52 ((a) < LM3560_FLASH_TOUT_MIN ? 0 : \ 53 (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP)) 54 #define LM3560_FLASH_TOUT_REG_TO_ms(a) \ 55 ((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN) 56 57 /* TORCH BRT 58 * min 31250uA, step 31250uA, max 250000uA 59 */ 60 #define LM3560_TORCH_BRT_MIN 31250 61 #define LM3560_TORCH_BRT_STEP 31250 62 #define LM3560_TORCH_BRT_MAX 250000 63 #define LM3560_TORCH_BRT_uA_TO_REG(a) \ 64 ((a) < LM3560_TORCH_BRT_MIN ? 0 : \ 65 (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP)) 66 #define LM3560_TORCH_BRT_REG_TO_uA(a) \ 67 ((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN) 68 69 enum lm3560_led_id { 70 LM3560_LED0 = 0, 71 LM3560_LED1, 72 LM3560_LED_MAX 73 }; 74 75 enum lm3560_peak_current { 76 LM3560_PEAK_1600mA = 0x00, 77 LM3560_PEAK_2300mA = 0x20, 78 LM3560_PEAK_3000mA = 0x40, 79 LM3560_PEAK_3600mA = 0x60 80 }; 81 82 /* struct lm3560_platform_data 83 * 84 * @peak : peak current 85 * @max_flash_timeout: flash timeout 86 * @max_flash_brt: flash mode led brightness 87 * @max_torch_brt: torch mode led brightness 88 */ 89 struct lm3560_platform_data { 90 enum lm3560_peak_current peak; 91 92 u32 max_flash_timeout; 93 u32 max_flash_brt[LM3560_LED_MAX]; 94 u32 max_torch_brt[LM3560_LED_MAX]; 95 }; 96 97 #endif /* __LM3560_H__ */ 98