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V4L/DVB (11327): ov772x: add edge contrl support

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Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Kuninori Morimoto
2009-03-31 03:44:22 -03:00
committed by Mauro Carvalho Chehab
parent e951cbf20c
commit db6cbc8cf2
2 changed files with 94 additions and 4 deletions
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include/media/ov772x.h
+35
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@@ -17,10 +17,45 @@
#define OV772X_FLAG_VFLIP 0x00000001 /* Vertical flip image */
#define OV772X_FLAG_HFLIP 0x00000002 /* Horizontal flip image */
/*
* for Edge ctrl
*
* strength also control Auto or Manual Edge Control Mode
* see also OV772X_MANUAL_EDGE_CTRL
*/
struct ov772x_edge_ctrl {
unsigned char strength;
unsigned char threshold;
unsigned char upper;
unsigned char lower;
};
#define OV772X_MANUAL_EDGE_CTRL 0x80 /* un-used bit of strength */
#define EDGE_STRENGTH_MASK 0x1F
#define EDGE_THRESHOLD_MASK 0x0F
#define EDGE_UPPER_MASK 0xFF
#define EDGE_LOWER_MASK 0xFF
#define OV772X_AUTO_EDGECTRL(u, l) \
{ \
.upper = (u & EDGE_UPPER_MASK), \
.lower = (l & EDGE_LOWER_MASK), \
}
#define OV772X_MANUAL_EDGECTRL(s, t) \
{ \
.strength = (s & EDGE_STRENGTH_MASK) | OV772X_MANUAL_EDGE_CTRL,\
.threshold = (t & EDGE_THRESHOLD_MASK), \
}
/*
* ov772x camera info
*/
struct ov772x_camera_info {
unsigned long buswidth;
unsigned long flags;
struct soc_camera_link link;
struct ov772x_edge_ctrl edgectrl;
};
#endif /* __OV772X_H__ */