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1 | /* |
2 | * include/media/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 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
21 | * 02110-1301 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | #ifndef __LM3560_H__ | |
26 | #define __LM3560_H__ | |
27 | ||
28 | #include <media/v4l2-subdev.h> | |
29 | ||
30 | #define LM3560_NAME "lm3560" | |
31 | #define LM3560_I2C_ADDR (0x53) | |
32 | ||
33 | /* FLASH Brightness | |
34 | * min 62500uA, step 62500uA, max 1000000uA | |
35 | */ | |
36 | #define LM3560_FLASH_BRT_MIN 62500 | |
37 | #define LM3560_FLASH_BRT_STEP 62500 | |
38 | #define LM3560_FLASH_BRT_MAX 1000000 | |
39 | #define LM3560_FLASH_BRT_uA_TO_REG(a) \ | |
40 | ((a) < LM3560_FLASH_BRT_MIN ? 0 : \ | |
41 | (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP)) | |
42 | #define LM3560_FLASH_BRT_REG_TO_uA(a) \ | |
43 | ((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN) | |
44 | ||
45 | /* FLASH TIMEOUT DURATION | |
46 | * min 32ms, step 32ms, max 1024ms | |
47 | */ | |
48 | #define LM3560_FLASH_TOUT_MIN 32 | |
49 | #define LM3560_FLASH_TOUT_STEP 32 | |
50 | #define LM3560_FLASH_TOUT_MAX 1024 | |
51 | #define LM3560_FLASH_TOUT_ms_TO_REG(a) \ | |
52 | ((a) < LM3560_FLASH_TOUT_MIN ? 0 : \ | |
53 | (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP)) | |
54 | #define LM3560_FLASH_TOUT_REG_TO_ms(a) \ | |
55 | ((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN) | |
56 | ||
57 | /* TORCH BRT | |
58 | * min 31250uA, step 31250uA, max 250000uA | |
59 | */ | |
60 | #define LM3560_TORCH_BRT_MIN 31250 | |
61 | #define LM3560_TORCH_BRT_STEP 31250 | |
62 | #define LM3560_TORCH_BRT_MAX 250000 | |
63 | #define LM3560_TORCH_BRT_uA_TO_REG(a) \ | |
64 | ((a) < LM3560_TORCH_BRT_MIN ? 0 : \ | |
65 | (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP)) | |
66 | #define LM3560_TORCH_BRT_REG_TO_uA(a) \ | |
67 | ((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN) | |
68 | ||
69 | enum lm3560_led_id { | |
70 | LM3560_LED0 = 0, | |
71 | LM3560_LED1, | |
72 | LM3560_LED_MAX | |
73 | }; | |
74 | ||
75 | enum lm3560_peak_current { | |
76 | LM3560_PEAK_1600mA = 0x00, | |
77 | LM3560_PEAK_2300mA = 0x20, | |
78 | LM3560_PEAK_3000mA = 0x40, | |
79 | LM3560_PEAK_3600mA = 0x60 | |
80 | }; | |
81 | ||
82 | /* struct lm3560_platform_data | |
83 | * | |
84 | * @peak : peak current | |
85 | * @max_flash_timeout: flash timeout | |
86 | * @max_flash_brt: flash mode led brightness | |
87 | * @max_torch_brt: torch mode led brightness | |
88 | */ | |
89 | struct lm3560_platform_data { | |
90 | enum lm3560_peak_current peak; | |
91 | ||
92 | u32 max_flash_timeout; | |
93 | u32 max_flash_brt[LM3560_LED_MAX]; | |
94 | u32 max_torch_brt[LM3560_LED_MAX]; | |
95 | }; | |
96 | ||
97 | #endif /* __LM3560_H__ */ |