ov772x.h

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/*
 * ov772x Camera
 *
 * Copyright (C) 2008 Renesas Solutions Corp.
 * Kuninori Morimoto <[email protected]>
 *
 * 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.
 */

#ifndef __OV772X_H__
#define __OV772X_H__

/* for flags */
#define OV772X_FLAG_VFLIP   (1 << 0) /* Vertical flip image */
#define OV772X_FLAG_HFLIP   (1 << 1) /* Horizontal flip image */

/*
 * for Edge ctrl
 *
 * strength also control Auto or Manual Edge Control Mode
 * see also OV772X_MANUAL_EDGE_CTRL
 */
struct ov772x_edge_ctrl {
    unsigned char strength;
    unsigned char threshold;
    unsigned char upper;
    unsigned char lower;
};

#define OV772X_MANUAL_EDGE_CTRL     0x80 /* un-used bit of strength */
#define OV772X_EDGE_STRENGTH_MASK   0x1F
#define OV772X_EDGE_THRESHOLD_MASK  0x0F
#define OV772X_EDGE_UPPER_MASK      0xFF
#define OV772X_EDGE_LOWER_MASK      0xFF

#define OV772X_AUTO_EDGECTRL(u, l)  \
{                   \
    .upper = (u & OV772X_EDGE_UPPER_MASK),  \
    .lower = (l & OV772X_EDGE_LOWER_MASK),  \
}

#define OV772X_MANUAL_EDGECTRL(s, t)            \
{                           \
    .strength  = (s & OV772X_EDGE_STRENGTH_MASK) |  \
            OV772X_MANUAL_EDGE_CTRL,    \
    .threshold = (t & OV772X_EDGE_THRESHOLD_MASK),  \
}

/*
 * ov772x camera info
 */
struct ov772x_camera_info {
    unsigned long       flags;
    struct ov772x_edge_ctrl edgectrl;
};

#endif /* __OV772X_H__ */