1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * include/media/i2c/lm3646.h |
4 | * |
5 | * Copyright (C) 2014 Texas Instruments |
6 | * |
7 | * Contact: Daniel Jeong <gshark.jeong@gmail.com> |
8 | * Ldd-Mlp <ldd-mlp@list.ti.com> |
9 | */ |
10 | |
11 | #ifndef __LM3646_H__ |
12 | #define __LM3646_H__ |
13 | |
14 | #include <media/v4l2-subdev.h> |
15 | |
16 | #define LM3646_NAME "lm3646" |
17 | #define LM3646_I2C_ADDR_REV1 (0x67) |
18 | #define LM3646_I2C_ADDR_REV0 (0x63) |
19 | |
20 | /* TOTAL FLASH Brightness Max |
21 | * min 93350uA, step 93750uA, max 1499600uA |
22 | */ |
23 | #define LM3646_TOTAL_FLASH_BRT_MIN 93350 |
24 | #define LM3646_TOTAL_FLASH_BRT_STEP 93750 |
25 | #define LM3646_TOTAL_FLASH_BRT_MAX 1499600 |
26 | #define LM3646_TOTAL_FLASH_BRT_uA_TO_REG(a) \ |
27 | ((a) < LM3646_TOTAL_FLASH_BRT_MIN ? 0 : \ |
28 | ((((a) - LM3646_TOTAL_FLASH_BRT_MIN) / LM3646_TOTAL_FLASH_BRT_STEP))) |
29 | |
30 | /* TOTAL TORCH Brightness Max |
31 | * min 23040uA, step 23430uA, max 187100uA |
32 | */ |
33 | #define LM3646_TOTAL_TORCH_BRT_MIN 23040 |
34 | #define LM3646_TOTAL_TORCH_BRT_STEP 23430 |
35 | #define LM3646_TOTAL_TORCH_BRT_MAX 187100 |
36 | #define LM3646_TOTAL_TORCH_BRT_uA_TO_REG(a) \ |
37 | ((a) < LM3646_TOTAL_TORCH_BRT_MIN ? 0 : \ |
38 | ((((a) - LM3646_TOTAL_TORCH_BRT_MIN) / LM3646_TOTAL_TORCH_BRT_STEP))) |
39 | |
40 | /* LED1 FLASH Brightness |
41 | * min 23040uA, step 11718uA, max 1499600uA |
42 | */ |
43 | #define LM3646_LED1_FLASH_BRT_MIN 23040 |
44 | #define LM3646_LED1_FLASH_BRT_STEP 11718 |
45 | #define LM3646_LED1_FLASH_BRT_MAX 1499600 |
46 | #define LM3646_LED1_FLASH_BRT_uA_TO_REG(a) \ |
47 | ((a) <= LM3646_LED1_FLASH_BRT_MIN ? 0 : \ |
48 | ((((a) - LM3646_LED1_FLASH_BRT_MIN) / LM3646_LED1_FLASH_BRT_STEP))+1) |
49 | |
50 | /* LED1 TORCH Brightness |
51 | * min 2530uA, step 1460uA, max 187100uA |
52 | */ |
53 | #define LM3646_LED1_TORCH_BRT_MIN 2530 |
54 | #define LM3646_LED1_TORCH_BRT_STEP 1460 |
55 | #define LM3646_LED1_TORCH_BRT_MAX 187100 |
56 | #define LM3646_LED1_TORCH_BRT_uA_TO_REG(a) \ |
57 | ((a) <= LM3646_LED1_TORCH_BRT_MIN ? 0 : \ |
58 | ((((a) - LM3646_LED1_TORCH_BRT_MIN) / LM3646_LED1_TORCH_BRT_STEP))+1) |
59 | |
60 | /* FLASH TIMEOUT DURATION |
61 | * min 50ms, step 50ms, max 400ms |
62 | */ |
63 | #define LM3646_FLASH_TOUT_MIN 50 |
64 | #define LM3646_FLASH_TOUT_STEP 50 |
65 | #define LM3646_FLASH_TOUT_MAX 400 |
66 | #define LM3646_FLASH_TOUT_ms_TO_REG(a) \ |
67 | ((a) <= LM3646_FLASH_TOUT_MIN ? 0 : \ |
68 | (((a) - LM3646_FLASH_TOUT_MIN) / LM3646_FLASH_TOUT_STEP)) |
69 | |
70 | /* struct lm3646_platform_data |
71 | * |
72 | * @flash_timeout: flash timeout |
73 | * @led1_flash_brt: led1 flash mode brightness, uA |
74 | * @led1_torch_brt: led1 torch mode brightness, uA |
75 | */ |
76 | struct lm3646_platform_data { |
77 | |
78 | u32 flash_timeout; |
79 | |
80 | u32 led1_flash_brt; |
81 | u32 led1_torch_brt; |
82 | }; |
83 | |
84 | #endif /* __LM3646_H__ */ |
85 | |