Ignore madvise(MADV_WILLNEED) for hugetlbfs-backed regions
[linux-2.6/next.git] / include / media / ov772x.h
blob30d9629198ef6170e42450fbfc8255c17dc8c821
1 /* ov772x Camera
3 * Copyright (C) 2008 Renesas Solutions Corp.
4 * Kuninori Morimoto <morimoto.kuninori@renesas.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
11 #ifndef __OV772X_H__
12 #define __OV772X_H__
14 #include <media/soc_camera.h>
16 /* for flags */
17 #define OV772X_FLAG_VFLIP 0x00000001 /* Vertical flip image */
18 #define OV772X_FLAG_HFLIP 0x00000002 /* Horizontal flip image */
21 * for Edge ctrl
23 * strength also control Auto or Manual Edge Control Mode
24 * see also OV772X_MANUAL_EDGE_CTRL
26 struct ov772x_edge_ctrl {
27 unsigned char strength;
28 unsigned char threshold;
29 unsigned char upper;
30 unsigned char lower;
33 #define OV772X_MANUAL_EDGE_CTRL 0x80 /* un-used bit of strength */
34 #define EDGE_STRENGTH_MASK 0x1F
35 #define EDGE_THRESHOLD_MASK 0x0F
36 #define EDGE_UPPER_MASK 0xFF
37 #define EDGE_LOWER_MASK 0xFF
39 #define OV772X_AUTO_EDGECTRL(u, l) \
40 { \
41 .upper = (u & EDGE_UPPER_MASK), \
42 .lower = (l & EDGE_LOWER_MASK), \
45 #define OV772X_MANUAL_EDGECTRL(s, t) \
46 { \
47 .strength = (s & EDGE_STRENGTH_MASK) | OV772X_MANUAL_EDGE_CTRL,\
48 .threshold = (t & EDGE_THRESHOLD_MASK), \
52 * ov772x camera info
54 struct ov772x_camera_info {
55 unsigned long buswidth;
56 unsigned long flags;
57 struct soc_camera_link link;
58 struct ov772x_edge_ctrl edgectrl;
61 #endif /* __OV772X_H__ */