2 * include/media/i2c/as3645a.h
4 * Copyright (C) 2008-2011 Nokia Corporation
6 * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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.
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.
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
27 #include <media/v4l2-subdev.h>
29 #define AS3645A_NAME "as3645a"
30 #define AS3645A_I2C_ADDR (0x60 >> 1) /* W:0x60, R:0x61 */
32 #define AS3645A_FLASH_TIMEOUT_MIN 100000 /* us */
33 #define AS3645A_FLASH_TIMEOUT_MAX 850000
34 #define AS3645A_FLASH_TIMEOUT_STEP 50000
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
41 #define AS3645A_TORCH_INTENSITY_MIN 20 /* mA */
42 #define AS3645A_TORCH_INTENSITY_MAX 160
43 #define AS3645A_TORCH_INTENSITY_STEP 20
45 #define AS3645A_INDICATOR_INTENSITY_MIN 0 /* uA */
46 #define AS3645A_INDICATOR_INTENSITY_MAX 10000
47 #define AS3645A_INDICATOR_INTENSITY_STEP 2500
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)
59 struct as3645a_platform_data {
60 int (*set_power)(struct v4l2_subdev *subdev, int on);
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;
71 #endif /* __AS3645A_H__ */