ov772x.h
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/*
* ov772x Camera
*
* Copyright (C) 2008 Renesas Solutions Corp.
* Kuninori Morimoto <morimoto.kuninori@renesas.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.
*/
#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__ */