| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 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__ */ |