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ov772x.h
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1 /*
2  * ov772x Camera
3  *
4  * Copyright (C) 2008 Renesas Solutions Corp.
5  * Kuninori Morimoto <[email protected]>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 #ifndef __OV772X_H__
13 #define __OV772X_H__
14 
15 /* for flags */
16 #define OV772X_FLAG_VFLIP (1 << 0) /* Vertical flip image */
17 #define OV772X_FLAG_HFLIP (1 << 1) /* Horizontal flip image */
18 
19 /*
20  * for Edge ctrl
21  *
22  * strength also control Auto or Manual Edge Control Mode
23  * see also OV772X_MANUAL_EDGE_CTRL
24  */
26  unsigned char strength;
27  unsigned char threshold;
28  unsigned char upper;
29  unsigned char lower;
30 };
31 
32 #define OV772X_MANUAL_EDGE_CTRL 0x80 /* un-used bit of strength */
33 #define OV772X_EDGE_STRENGTH_MASK 0x1F
34 #define OV772X_EDGE_THRESHOLD_MASK 0x0F
35 #define OV772X_EDGE_UPPER_MASK 0xFF
36 #define OV772X_EDGE_LOWER_MASK 0xFF
37 
38 #define OV772X_AUTO_EDGECTRL(u, l) \
39 { \
40  .upper = (u & OV772X_EDGE_UPPER_MASK), \
41  .lower = (l & OV772X_EDGE_LOWER_MASK), \
42 }
43 
44 #define OV772X_MANUAL_EDGECTRL(s, t) \
45 { \
46  .strength = (s & OV772X_EDGE_STRENGTH_MASK) | \
47  OV772X_MANUAL_EDGE_CTRL, \
48  .threshold = (t & OV772X_EDGE_THRESHOLD_MASK), \
49 }
50 
51 /*
52  * ov772x camera info
53  */
55  unsigned long flags;
57 };
58 
59 #endif /* __OV772X_H__ */