2 * include/media/i2c/lm3646.h
4 * Copyright (C) 2014 Texas Instruments
6 * Contact: Daniel Jeong <gshark.jeong@gmail.com>
7 * Ldd-Mlp <ldd-mlp@list.ti.com>
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.
17 #include <media/v4l2-subdev.h>
19 #define LM3646_NAME "lm3646"
20 #define LM3646_I2C_ADDR_REV1 (0x67)
21 #define LM3646_I2C_ADDR_REV0 (0x63)
23 /* TOTAL FLASH Brightness Max
24 * min 93350uA, step 93750uA, max 1499600uA
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)))
33 /* TOTAL TORCH Brightness Max
34 * min 23040uA, step 23430uA, max 187100uA
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)))
43 /* LED1 FLASH Brightness
44 * min 23040uA, step 11718uA, max 1499600uA
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)
53 /* LED1 TORCH Brightness
54 * min 2530uA, step 1460uA, max 187100uA
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)
63 /* FLASH TIMEOUT DURATION
64 * min 50ms, step 50ms, max 400ms
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))
73 /* struct lm3646_platform_data
75 * @flash_timeout: flash timeout
76 * @led1_flash_brt: led1 flash mode brightness, uA
77 * @led1_torch_brt: led1 torch mode brightness, uA
79 struct lm3646_platform_data {
87 #endif /* __LM3646_H__ */