xref: /openbmc/linux/include/media/i2c/ov772x.h (revision da1d9caf)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * ov772x Camera
4  *
5  * Copyright (C) 2008 Renesas Solutions Corp.
6  * Kuninori Morimoto <morimoto.kuninori@renesas.com>
7  */
8 
9 #ifndef __OV772X_H__
10 #define __OV772X_H__
11 
12 /* for flags */
13 #define OV772X_FLAG_VFLIP	(1 << 0) /* Vertical flip image */
14 #define OV772X_FLAG_HFLIP	(1 << 1) /* Horizontal flip image */
15 
16 /*
17  * for Edge ctrl
18  *
19  * strength also control Auto or Manual Edge Control Mode
20  * see also OV772X_MANUAL_EDGE_CTRL
21  */
22 struct ov772x_edge_ctrl {
23 	unsigned char strength;
24 	unsigned char threshold;
25 	unsigned char upper;
26 	unsigned char lower;
27 };
28 
29 #define OV772X_MANUAL_EDGE_CTRL		0x80 /* un-used bit of strength */
30 #define OV772X_EDGE_STRENGTH_MASK	0x1F
31 #define OV772X_EDGE_THRESHOLD_MASK	0x0F
32 #define OV772X_EDGE_UPPER_MASK		0xFF
33 #define OV772X_EDGE_LOWER_MASK		0xFF
34 
35 #define OV772X_AUTO_EDGECTRL(u, l)	\
36 {					\
37 	.upper = (u & OV772X_EDGE_UPPER_MASK),	\
38 	.lower = (l & OV772X_EDGE_LOWER_MASK),	\
39 }
40 
41 #define OV772X_MANUAL_EDGECTRL(s, t)			\
42 {							\
43 	.strength  = (s & OV772X_EDGE_STRENGTH_MASK) |	\
44 			OV772X_MANUAL_EDGE_CTRL,	\
45 	.threshold = (t & OV772X_EDGE_THRESHOLD_MASK),	\
46 }
47 
48 /**
49  * struct ov772x_camera_info -	ov772x driver interface structure
50  * @flags:		Sensor configuration flags
51  * @edgectrl:		Sensor edge control
52  */
53 struct ov772x_camera_info {
54 	unsigned long		flags;
55 	struct ov772x_edge_ctrl	edgectrl;
56 };
57 
58 #endif /* __OV772X_H__ */
59