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
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