xref: /openbmc/linux/include/media/i2c/ov772x.h (revision 23c2b932)
1 /*
2  * ov772x Camera
3  *
4  * Copyright (C) 2008 Renesas Solutions Corp.
5  * Kuninori Morimoto <morimoto.kuninori@renesas.com>
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  */
25 struct ov772x_edge_ctrl {
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  */
54 struct ov772x_camera_info {
55 	unsigned long		flags;
56 	struct ov772x_edge_ctrl	edgectrl;
57 };
58 
59 #endif /* __OV772X_H__ */
60