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