| Franz Geiger | 78a0601 | 2014-07-28 09:54:13 +0900 | [diff] [blame] | 1 | /* |
| 2 | * include/media/lm3644.h |
| 3 | * |
| 4 | * Copyright (C) 2014 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 | #ifndef __LM3644_H__ |
| 20 | #define __LM3644_H__ |
| 21 | |
| 22 | #include <media/v4l2-subdev.h> |
| 23 | |
| 24 | #define LM3644_NAME "lm3644" |
| 25 | #define LM3644_I2C_ADDR (0x63) |
| 26 | |
| 27 | /* FLASH Brightness |
| 28 | * min 11310uA, step 11720uA, max 1500000uA |
| 29 | */ |
| 30 | #define LM3644_FLASH_BRT_MIN 11310 |
| 31 | #define LM3644_FLASH_BRT_STEP 11720 |
| 32 | #define LM3644_FLASH_BRT_MAX 1500000 |
| 33 | #define LM3644_FLASH_BRT_uA_TO_REG(a) \ |
| 34 | ((a) < LM3644_FLASH_BRT_MIN ? 0 : \ |
| 35 | (((a) - LM3644_FLASH_BRT_MIN) / LM3644_FLASH_BRT_STEP)) |
| 36 | |
| 37 | /* TORCH BRT |
| 38 | * min 1060uA, step 1460uA, max 187000uA |
| 39 | */ |
| 40 | #define LM3644_TORCH_BRT_MIN 1060 |
| 41 | #define LM3644_TORCH_BRT_STEP 1460 |
| 42 | #define LM3644_TORCH_BRT_MAX 187000 |
| 43 | #define LM3644_TORCH_BRT_uA_TO_REG(a) \ |
| 44 | ((a) < LM3644_TORCH_BRT_MIN ? 0 : \ |
| 45 | (((a) - LM3644_TORCH_BRT_MIN) / LM3644_TORCH_BRT_STEP)) |
| 46 | |
| 47 | /* FLASH TIMEOUT DURATION |
| 48 | * min 10ms, max 400ms |
| 49 | * step 10ms in range from 10ms to 100ms |
| 50 | * setp 50ms in range from 100ms to 400ms |
| 51 | */ |
| 52 | #define LM3644_FLASH_TOUT_MIN 10 |
| 53 | #define LM3644_FLASH_TOUT_LOW_STEP 10 |
| 54 | #define LM3644_FLASH_TOUT_LOW_MAX 100 |
| 55 | #define LM3644_FLASH_TOUT_HIGH_STEP 50 |
| 56 | #define LM3644_FLASH_TOUT_MAX 400 |
| 57 | #define LM3644_FLASH_TOUT_ms_TO_REG(a) \ |
| 58 | ((a) < LM3644_FLASH_TOUT_MIN ? 0 : \ |
| 59 | ((a) <= LM3644_FLASH_TOUT_LOW_MAX ? \ |
| 60 | (((a) - LM3644_FLASH_TOUT_MIN) / LM3644_FLASH_TOUT_LOW_STEP) : \ |
| 61 | ((((a) - LM3644_FLASH_TOUT_LOW_MAX) / LM3644_FLASH_TOUT_HIGH_STEP) \ |
| 62 | +((LM3644_FLASH_TOUT_LOW_MAX - LM3644_FLASH_TOUT_MIN) \ |
| 63 | / LM3644_FLASH_TOUT_LOW_STEP)))) |
| 64 | |
| 65 | enum lm3644_led_id { |
| 66 | LM3644_LED0 = 0, |
| 67 | LM3644_LED1, |
| 68 | LM3644_LED_MAX |
| 69 | }; |
| 70 | |
| 71 | /* |
| 72 | * struct lm3644_platform_data |
| 73 | * @led0_enable : led0 enable |
| 74 | * @led1_enable : led1 enable |
| 75 | * @flash1_override : led1 flash current override |
| 76 | * @torch1_override : led1 torch current override |
| 77 | */ |
| 78 | struct lm3644_platform_data { |
| 79 | |
| 80 | u8 led0_enable; |
| 81 | u8 led1_enable; |
| 82 | u8 flash1_override; |
| 83 | u8 torch1_override; |
| 84 | }; |
| 85 | |
| 86 | #endif /* __LM3644_H__ */ |