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13abadad SA |
1 | /* |
2 | * include/media/adp1653.h | |
3 | * | |
4 | * Copyright (C) 2008--2011 Nokia Corporation | |
5 | * | |
8c5dff90 | 6 | * Contact: Sakari Ailus <sakari.ailus@iki.fi> |
13abadad SA |
7 | * |
8 | * Contributors: | |
8c5dff90 | 9 | * Sakari Ailus <sakari.ailus@iki.fi> |
13abadad SA |
10 | * Tuukka Toivonen <tuukkat76@gmail.com> |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License | |
14 | * version 2 as published by the Free Software Foundation. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, but | |
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | * General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
24 | * 02110-1301 USA | |
25 | * | |
26 | */ | |
27 | ||
28 | #ifndef ADP1653_H | |
29 | #define ADP1653_H | |
30 | ||
31 | #include <linux/i2c.h> | |
32 | #include <linux/mutex.h> | |
33 | #include <linux/videodev2.h> | |
34 | #include <media/v4l2-ctrls.h> | |
35 | #include <media/v4l2-subdev.h> | |
36 | ||
37 | #define ADP1653_NAME "adp1653" | |
38 | #define ADP1653_I2C_ADDR (0x60 >> 1) | |
39 | ||
40 | /* Register definitions */ | |
41 | #define ADP1653_REG_OUT_SEL 0x00 | |
42 | #define ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN 0x01 | |
43 | #define ADP1653_REG_OUT_SEL_HPLED_TORCH_MAX 0x0b | |
44 | #define ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN 0x0c | |
45 | #define ADP1653_REG_OUT_SEL_HPLED_FLASH_MAX 0x1f | |
46 | #define ADP1653_REG_OUT_SEL_HPLED_SHIFT 3 | |
47 | #define ADP1653_REG_OUT_SEL_ILED_MAX 0x07 | |
48 | #define ADP1653_REG_OUT_SEL_ILED_SHIFT 0 | |
49 | ||
50 | #define ADP1653_REG_CONFIG 0x01 | |
51 | #define ADP1653_REG_CONFIG_TMR_CFG (1 << 4) | |
52 | #define ADP1653_REG_CONFIG_TMR_SET_MAX 0x0f | |
53 | #define ADP1653_REG_CONFIG_TMR_SET_SHIFT 0 | |
54 | ||
55 | #define ADP1653_REG_SW_STROBE 0x02 | |
56 | #define ADP1653_REG_SW_STROBE_SW_STROBE (1 << 0) | |
57 | ||
58 | #define ADP1653_REG_FAULT 0x03 | |
59 | #define ADP1653_REG_FAULT_FLT_SCP (1 << 3) | |
60 | #define ADP1653_REG_FAULT_FLT_OT (1 << 2) | |
61 | #define ADP1653_REG_FAULT_FLT_TMR (1 << 1) | |
62 | #define ADP1653_REG_FAULT_FLT_OV (1 << 0) | |
63 | ||
64 | #define ADP1653_INDICATOR_INTENSITY_MIN 0 | |
65 | #define ADP1653_INDICATOR_INTENSITY_STEP 2500 | |
66 | #define ADP1653_INDICATOR_INTENSITY_MAX \ | |
67 | (ADP1653_REG_OUT_SEL_ILED_MAX * ADP1653_INDICATOR_INTENSITY_STEP) | |
68 | #define ADP1653_INDICATOR_INTENSITY_uA_TO_REG(a) \ | |
69 | ((a) / ADP1653_INDICATOR_INTENSITY_STEP) | |
70 | #define ADP1653_INDICATOR_INTENSITY_REG_TO_uA(a) \ | |
71 | ((a) * ADP1653_INDICATOR_INTENSITY_STEP) | |
72 | ||
73 | #define ADP1653_FLASH_INTENSITY_BASE 35 | |
74 | #define ADP1653_FLASH_INTENSITY_STEP 15 | |
75 | #define ADP1653_FLASH_INTENSITY_MIN \ | |
76 | (ADP1653_FLASH_INTENSITY_BASE \ | |
77 | + ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN * ADP1653_FLASH_INTENSITY_STEP) | |
78 | #define ADP1653_FLASH_INTENSITY_MAX \ | |
79 | (ADP1653_FLASH_INTENSITY_MIN + \ | |
80 | (ADP1653_REG_OUT_SEL_HPLED_FLASH_MAX - \ | |
81 | ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN + 1) * \ | |
82 | ADP1653_FLASH_INTENSITY_STEP) | |
83 | ||
84 | #define ADP1653_FLASH_INTENSITY_mA_TO_REG(a) \ | |
85 | ((a) < ADP1653_FLASH_INTENSITY_BASE ? 0 : \ | |
86 | (((a) - ADP1653_FLASH_INTENSITY_BASE) / ADP1653_FLASH_INTENSITY_STEP)) | |
87 | #define ADP1653_FLASH_INTENSITY_REG_TO_mA(a) \ | |
88 | ((a) * ADP1653_FLASH_INTENSITY_STEP + ADP1653_FLASH_INTENSITY_BASE) | |
89 | ||
90 | #define ADP1653_TORCH_INTENSITY_MIN \ | |
91 | (ADP1653_FLASH_INTENSITY_BASE \ | |
92 | + ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN * ADP1653_FLASH_INTENSITY_STEP) | |
93 | #define ADP1653_TORCH_INTENSITY_MAX \ | |
94 | (ADP1653_TORCH_INTENSITY_MIN + \ | |
95 | (ADP1653_REG_OUT_SEL_HPLED_TORCH_MAX - \ | |
96 | ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN + 1) * \ | |
97 | ADP1653_FLASH_INTENSITY_STEP) | |
98 | ||
99 | struct adp1653_platform_data { | |
100 | int (*power)(struct v4l2_subdev *sd, int on); | |
101 | ||
102 | u32 max_flash_timeout; /* flash light timeout in us */ | |
103 | u32 max_flash_intensity; /* led intensity, flash mode */ | |
104 | u32 max_torch_intensity; /* led intensity, torch mode */ | |
105 | u32 max_indicator_intensity; /* indicator led intensity */ | |
106 | }; | |
107 | ||
108 | #define to_adp1653_flash(sd) container_of(sd, struct adp1653_flash, subdev) | |
109 | ||
110 | struct adp1653_flash { | |
111 | struct v4l2_subdev subdev; | |
112 | struct adp1653_platform_data *platform_data; | |
113 | ||
114 | struct v4l2_ctrl_handler ctrls; | |
115 | struct v4l2_ctrl *led_mode; | |
116 | struct v4l2_ctrl *flash_timeout; | |
117 | struct v4l2_ctrl *flash_intensity; | |
118 | struct v4l2_ctrl *torch_intensity; | |
119 | struct v4l2_ctrl *indicator_intensity; | |
120 | ||
121 | struct mutex power_lock; | |
122 | int power_count; | |
123 | int fault; | |
124 | }; | |
125 | ||
126 | #endif /* ADP1653_H */ |