Commit | Line | Data |
---|---|---|
22db44cb | 1 | /* |
b5dcee22 | 2 | * include/media/i2c/as3645a.h |
22db44cb LP |
3 | * |
4 | * Copyright (C) 2008-2011 Nokia Corporation | |
5 | * | |
6 | * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #ifndef __AS3645A_H__ | |
25 | #define __AS3645A_H__ | |
26 | ||
27 | #include <media/v4l2-subdev.h> | |
28 | ||
29 | #define AS3645A_NAME "as3645a" | |
30 | #define AS3645A_I2C_ADDR (0x60 >> 1) /* W:0x60, R:0x61 */ | |
31 | ||
32 | #define AS3645A_FLASH_TIMEOUT_MIN 100000 /* us */ | |
33 | #define AS3645A_FLASH_TIMEOUT_MAX 850000 | |
34 | #define AS3645A_FLASH_TIMEOUT_STEP 50000 | |
35 | ||
36 | #define AS3645A_FLASH_INTENSITY_MIN 200 /* mA */ | |
37 | #define AS3645A_FLASH_INTENSITY_MAX_1LED 500 | |
38 | #define AS3645A_FLASH_INTENSITY_MAX_2LEDS 400 | |
39 | #define AS3645A_FLASH_INTENSITY_STEP 20 | |
40 | ||
41 | #define AS3645A_TORCH_INTENSITY_MIN 20 /* mA */ | |
42 | #define AS3645A_TORCH_INTENSITY_MAX 160 | |
43 | #define AS3645A_TORCH_INTENSITY_STEP 20 | |
44 | ||
45 | #define AS3645A_INDICATOR_INTENSITY_MIN 0 /* uA */ | |
46 | #define AS3645A_INDICATOR_INTENSITY_MAX 10000 | |
47 | #define AS3645A_INDICATOR_INTENSITY_STEP 2500 | |
48 | ||
49 | /* | |
50 | * as3645a_platform_data - Flash controller platform data | |
51 | * @set_power: Set power callback | |
52 | * @vref: VREF offset (0=0V, 1=+0.3V, 2=-0.3V, 3=+0.6V) | |
53 | * @peak: Inductor peak current limit (0=1.25A, 1=1.5A, 2=1.75A, 3=2.0A) | |
54 | * @ext_strobe: True if external flash strobe can be used | |
55 | * @flash_max_current: Max flash current (mA, <= AS3645A_FLASH_INTENSITY_MAX) | |
56 | * @torch_max_current: Max torch current (mA, >= AS3645A_TORCH_INTENSITY_MAX) | |
57 | * @timeout_max: Max flash timeout (us, <= AS3645A_FLASH_TIMEOUT_MAX) | |
58 | */ | |
59 | struct as3645a_platform_data { | |
60 | int (*set_power)(struct v4l2_subdev *subdev, int on); | |
61 | unsigned int vref; | |
62 | unsigned int peak; | |
63 | bool ext_strobe; | |
64 | ||
65 | /* Flash and torch currents and timeout limits */ | |
66 | unsigned int flash_max_current; | |
67 | unsigned int torch_max_current; | |
68 | unsigned int timeout_max; | |
69 | }; | |
70 | ||
71 | #endif /* __AS3645A_H__ */ |