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/*
* include/media/i2c/as3645a.h
*
* Copyright (C) 2008-2011 Nokia Corporation
*
* Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
*/
#ifndef __AS3645A_H__
#define __AS3645A_H__
#include <media/v4l2-subdev.h>
#define AS3645A_NAME "as3645a"
#define AS3645A_I2C_ADDR (0x60 >> 1) /* W:0x60, R:0x61 */
#define AS3645A_FLASH_TIMEOUT_MIN 100000 /* us */
#define AS3645A_FLASH_TIMEOUT_MAX 850000
#define AS3645A_FLASH_TIMEOUT_STEP 50000
#define AS3645A_FLASH_INTENSITY_MIN 200 /* mA */
#define AS3645A_FLASH_INTENSITY_MAX_1LED 500
#define AS3645A_FLASH_INTENSITY_MAX_2LEDS 400
#define AS3645A_FLASH_INTENSITY_STEP 20
#define AS3645A_TORCH_INTENSITY_MIN 20 /* mA */
#define AS3645A_TORCH_INTENSITY_MAX 160
#define AS3645A_TORCH_INTENSITY_STEP 20
#define AS3645A_INDICATOR_INTENSITY_MIN 0 /* uA */
#define AS3645A_INDICATOR_INTENSITY_MAX 10000
#define AS3645A_INDICATOR_INTENSITY_STEP 2500
/*
* as3645a_platform_data - Flash controller platform data
* @set_power: Set power callback
* @vref: VREF offset (0=0V, 1=+0.3V, 2=-0.3V, 3=+0.6V)
* @peak: Inductor peak current limit (0=1.25A, 1=1.5A, 2=1.75A, 3=2.0A)
* @ext_strobe: True if external flash strobe can be used
* @flash_max_current: Max flash current (mA, <= AS3645A_FLASH_INTENSITY_MAX)
* @torch_max_current: Max torch current (mA, >= AS3645A_TORCH_INTENSITY_MAX)
* @timeout_max: Max flash timeout (us, <= AS3645A_FLASH_TIMEOUT_MAX)
*/
struct as3645a_platform_data {
int (*set_power)(struct v4l2_subdev *subdev, int on);
unsigned int vref;
unsigned int peak;
bool ext_strobe;
/* Flash and torch currents and timeout limits */
unsigned int flash_max_current;
unsigned int torch_max_current;
unsigned int timeout_max;
};
#endif /* __AS3645A_H__ */
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