60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/*
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* ov772x Camera
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*
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* Copyright (C) 2008 Renesas Solutions Corp.
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* Kuninori Morimoto <morimoto.kuninori@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __OV772X_H__
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#define __OV772X_H__
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/* for flags */
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#define OV772X_FLAG_VFLIP (1 << 0) /* Vertical flip image */
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#define OV772X_FLAG_HFLIP (1 << 1) /* Horizontal flip image */
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/*
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* for Edge ctrl
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*
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* strength also control Auto or Manual Edge Control Mode
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* see also OV772X_MANUAL_EDGE_CTRL
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*/
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struct ov772x_edge_ctrl {
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unsigned char strength;
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unsigned char threshold;
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unsigned char upper;
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unsigned char lower;
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};
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#define OV772X_MANUAL_EDGE_CTRL 0x80 /* un-used bit of strength */
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#define OV772X_EDGE_STRENGTH_MASK 0x1F
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#define OV772X_EDGE_THRESHOLD_MASK 0x0F
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#define OV772X_EDGE_UPPER_MASK 0xFF
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#define OV772X_EDGE_LOWER_MASK 0xFF
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#define OV772X_AUTO_EDGECTRL(u, l) \
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{ \
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.upper = (u & OV772X_EDGE_UPPER_MASK), \
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.lower = (l & OV772X_EDGE_LOWER_MASK), \
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}
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#define OV772X_MANUAL_EDGECTRL(s, t) \
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{ \
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.strength = (s & OV772X_EDGE_STRENGTH_MASK) | \
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OV772X_MANUAL_EDGE_CTRL, \
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.threshold = (t & OV772X_EDGE_THRESHOLD_MASK), \
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}
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/*
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* ov772x camera info
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*/
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struct ov772x_camera_info {
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unsigned long flags;
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struct ov772x_edge_ctrl edgectrl;
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};
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#endif /* __OV772X_H__ */
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