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84 lines
2.4 KiB
84 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* include/media/i2c/lm3646.h |
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* |
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* Copyright (C) 2014 Texas Instruments |
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* |
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* Contact: Daniel Jeong <[email protected]> |
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* Ldd-Mlp <[email protected]> |
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*/ |
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#ifndef __LM3646_H__ |
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#define __LM3646_H__ |
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#include <media/v4l2-subdev.h> |
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#define LM3646_NAME "lm3646" |
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#define LM3646_I2C_ADDR_REV1 (0x67) |
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#define LM3646_I2C_ADDR_REV0 (0x63) |
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/* TOTAL FLASH Brightness Max |
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* min 93350uA, step 93750uA, max 1499600uA |
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*/ |
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#define LM3646_TOTAL_FLASH_BRT_MIN 93350 |
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#define LM3646_TOTAL_FLASH_BRT_STEP 93750 |
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#define LM3646_TOTAL_FLASH_BRT_MAX 1499600 |
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#define LM3646_TOTAL_FLASH_BRT_uA_TO_REG(a) \ |
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((a) < LM3646_TOTAL_FLASH_BRT_MIN ? 0 : \ |
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((((a) - LM3646_TOTAL_FLASH_BRT_MIN) / LM3646_TOTAL_FLASH_BRT_STEP))) |
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/* TOTAL TORCH Brightness Max |
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* min 23040uA, step 23430uA, max 187100uA |
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*/ |
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#define LM3646_TOTAL_TORCH_BRT_MIN 23040 |
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#define LM3646_TOTAL_TORCH_BRT_STEP 23430 |
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#define LM3646_TOTAL_TORCH_BRT_MAX 187100 |
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#define LM3646_TOTAL_TORCH_BRT_uA_TO_REG(a) \ |
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((a) < LM3646_TOTAL_TORCH_BRT_MIN ? 0 : \ |
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((((a) - LM3646_TOTAL_TORCH_BRT_MIN) / LM3646_TOTAL_TORCH_BRT_STEP))) |
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/* LED1 FLASH Brightness |
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* min 23040uA, step 11718uA, max 1499600uA |
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*/ |
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#define LM3646_LED1_FLASH_BRT_MIN 23040 |
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#define LM3646_LED1_FLASH_BRT_STEP 11718 |
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#define LM3646_LED1_FLASH_BRT_MAX 1499600 |
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#define LM3646_LED1_FLASH_BRT_uA_TO_REG(a) \ |
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((a) <= LM3646_LED1_FLASH_BRT_MIN ? 0 : \ |
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((((a) - LM3646_LED1_FLASH_BRT_MIN) / LM3646_LED1_FLASH_BRT_STEP))+1) |
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/* LED1 TORCH Brightness |
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* min 2530uA, step 1460uA, max 187100uA |
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*/ |
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#define LM3646_LED1_TORCH_BRT_MIN 2530 |
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#define LM3646_LED1_TORCH_BRT_STEP 1460 |
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#define LM3646_LED1_TORCH_BRT_MAX 187100 |
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#define LM3646_LED1_TORCH_BRT_uA_TO_REG(a) \ |
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((a) <= LM3646_LED1_TORCH_BRT_MIN ? 0 : \ |
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((((a) - LM3646_LED1_TORCH_BRT_MIN) / LM3646_LED1_TORCH_BRT_STEP))+1) |
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/* FLASH TIMEOUT DURATION |
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* min 50ms, step 50ms, max 400ms |
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*/ |
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#define LM3646_FLASH_TOUT_MIN 50 |
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#define LM3646_FLASH_TOUT_STEP 50 |
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#define LM3646_FLASH_TOUT_MAX 400 |
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#define LM3646_FLASH_TOUT_ms_TO_REG(a) \ |
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((a) <= LM3646_FLASH_TOUT_MIN ? 0 : \ |
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(((a) - LM3646_FLASH_TOUT_MIN) / LM3646_FLASH_TOUT_STEP)) |
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/* struct lm3646_platform_data |
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* |
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* @flash_timeout: flash timeout |
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* @led1_flash_brt: led1 flash mode brightness, uA |
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* @led1_torch_brt: led1 torch mode brightness, uA |
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*/ |
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struct lm3646_platform_data { |
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u32 flash_timeout; |
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u32 led1_flash_brt; |
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u32 led1_torch_brt; |
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}; |
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#endif /* __LM3646_H__ */
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