include/media/ov772x.h

   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__ */