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/*
* OMAP3 image quality tuning
*
* Copyright (C) 2010-2012 Ideas on board SPRL
*
* 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 as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __IQ_H__
#define __IQ_H__
struct iq_tuning;
struct omap3_isp_device;
struct omap3_isp_aewb_stats;
/**
* struct iq_params - Image quality tuning parameters
* @window: Statistics computation window (fraction of the image size)
* @ae_delay: Number of frames to skip at stream start before enabling AE
* @ae_interval: Number of frames between AE algorithm runs
* @mean_level: Target mean luminance level (fraction of the maximum)
* @exposure: Initial exposure value (sensor-specific units)
* @exposure_min: Minimum exposure value
* @exposure_max: Maximum exposure value
* @gain: Initial gain value (sensor-specific units)
* @gain_min: Minimum gain value
* @gain_max: Maximum gain value
* @black_level: Black level offset
* @saturation: Color saturation
*/
struct iq_params {
struct {
float left;
float top;
float width;
float height;
} window;
unsigned int ae_delay;
unsigned int ae_interval;
float mean_level;
unsigned int exposure;
unsigned int exposure_min;
unsigned int exposure_max;
unsigned int gain;
unsigned int gain_min;
unsigned int gain_max;
unsigned int black_level;
float saturation;
};
void iq_aewb_process(struct iq_tuning *iq,
const struct omap3_isp_aewb_stats *stats);
void iq_params_init(struct iq_params *params);
int iq_params_parse(struct iq_params *params, const char *arg);
struct iq_tuning *iq_init(struct omap3_isp_device *isp,
const struct iq_params *params);
void iq_cleanup(struct iq_tuning *iq);
#endif
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