| Daniel Jeong | dc76df5 | 2014-03-03 06:52:10 -0300 | [diff] [blame] | 1 | /* |
| 2 | * include/media/lm3646.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 | |
| 14 | #ifndef __LM3646_H__ |
| 15 | #define __LM3646_H__ |
| 16 | |
| 17 | #include <media/v4l2-subdev.h> |
| 18 | |
| 19 | #define LM3646_NAME "lm3646" |
| 20 | #define LM3646_I2C_ADDR_REV1 (0x67) |
| 21 | #define LM3646_I2C_ADDR_REV0 (0x63) |
| 22 | |
| 23 | /* TOTAL FLASH Brightness Max |
| 24 | * min 93350uA, step 93750uA, max 1499600uA |
| 25 | */ |
| 26 | #define LM3646_TOTAL_FLASH_BRT_MIN 93350 |
| 27 | #define LM3646_TOTAL_FLASH_BRT_STEP 93750 |
| 28 | #define LM3646_TOTAL_FLASH_BRT_MAX 1499600 |
| 29 | #define LM3646_TOTAL_FLASH_BRT_uA_TO_REG(a) \ |
| 30 | ((a) < LM3646_TOTAL_FLASH_BRT_MIN ? 0 : \ |
| 31 | ((((a) - LM3646_TOTAL_FLASH_BRT_MIN) / LM3646_TOTAL_FLASH_BRT_STEP))) |
| 32 | |
| 33 | /* TOTAL TORCH Brightness Max |
| 34 | * min 23040uA, step 23430uA, max 187100uA |
| 35 | */ |
| 36 | #define LM3646_TOTAL_TORCH_BRT_MIN 23040 |
| 37 | #define LM3646_TOTAL_TORCH_BRT_STEP 23430 |
| 38 | #define LM3646_TOTAL_TORCH_BRT_MAX 187100 |
| 39 | #define LM3646_TOTAL_TORCH_BRT_uA_TO_REG(a) \ |
| 40 | ((a) < LM3646_TOTAL_TORCH_BRT_MIN ? 0 : \ |
| 41 | ((((a) - LM3646_TOTAL_TORCH_BRT_MIN) / LM3646_TOTAL_TORCH_BRT_STEP))) |
| 42 | |
| 43 | /* LED1 FLASH Brightness |
| 44 | * min 23040uA, step 11718uA, max 1499600uA |
| 45 | */ |
| 46 | #define LM3646_LED1_FLASH_BRT_MIN 23040 |
| 47 | #define LM3646_LED1_FLASH_BRT_STEP 11718 |
| 48 | #define LM3646_LED1_FLASH_BRT_MAX 1499600 |
| 49 | #define LM3646_LED1_FLASH_BRT_uA_TO_REG(a) \ |
| 50 | ((a) <= LM3646_LED1_FLASH_BRT_MIN ? 0 : \ |
| 51 | ((((a) - LM3646_LED1_FLASH_BRT_MIN) / LM3646_LED1_FLASH_BRT_STEP))+1) |
| 52 | |
| 53 | /* LED1 TORCH Brightness |
| 54 | * min 2530uA, step 1460uA, max 187100uA |
| 55 | */ |
| 56 | #define LM3646_LED1_TORCH_BRT_MIN 2530 |
| 57 | #define LM3646_LED1_TORCH_BRT_STEP 1460 |
| 58 | #define LM3646_LED1_TORCH_BRT_MAX 187100 |
| 59 | #define LM3646_LED1_TORCH_BRT_uA_TO_REG(a) \ |
| 60 | ((a) <= LM3646_LED1_TORCH_BRT_MIN ? 0 : \ |
| 61 | ((((a) - LM3646_LED1_TORCH_BRT_MIN) / LM3646_LED1_TORCH_BRT_STEP))+1) |
| 62 | |
| 63 | /* FLASH TIMEOUT DURATION |
| 64 | * min 50ms, step 50ms, max 400ms |
| 65 | */ |
| 66 | #define LM3646_FLASH_TOUT_MIN 50 |
| 67 | #define LM3646_FLASH_TOUT_STEP 50 |
| 68 | #define LM3646_FLASH_TOUT_MAX 400 |
| 69 | #define LM3646_FLASH_TOUT_ms_TO_REG(a) \ |
| 70 | ((a) <= LM3646_FLASH_TOUT_MIN ? 0 : \ |
| 71 | (((a) - LM3646_FLASH_TOUT_MIN) / LM3646_FLASH_TOUT_STEP)) |
| 72 | |
| 73 | /* struct lm3646_platform_data |
| 74 | * |
| 75 | * @flash_timeout: flash timeout |
| 76 | * @led1_flash_brt: led1 flash mode brightness, uA |
| 77 | * @led1_torch_brt: led1 torch mode brightness, uA |
| 78 | */ |
| 79 | struct lm3646_platform_data { |
| 80 | |
| 81 | u32 flash_timeout; |
| 82 | |
| 83 | u32 led1_flash_brt; |
| 84 | u32 led1_torch_brt; |
| 85 | }; |
| 86 | |
| 87 | #endif /* __LM3646_H__ */ |