git.oblomov.eu Git - linux-2.6/blob - include/media/ov772x.h

   1 /* ov772x Camera
   2  *
   3  * Copyright (C) 2008 Renesas Solutions Corp.
   4  * Kuninori Morimoto <morimoto.kuninori@renesas.com>
   5  *
   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  */
  10
  11 #ifndef __OV772X_H__
  12 #define __OV772X_H__
  13
  14 #include <media/soc_camera.h>
  15
  16 /* for flags */
  17 #define OV772X_FLAG_VFLIP     0x00000001 /* Vertical flip image */
  18 #define OV772X_FLAG_HFLIP     0x00000002 /* Horizontal flip image */
  19
  20 /*
  21  * for Edge ctrl
  22  *
  23  * strength also control Auto or Manual Edge Control Mode
  24  * see also OV772X_MANUAL_EDGE_CTRL
  25  */
  26 struct ov772x_edge_ctrl {
  27         unsigned char strength;
  28         unsigned char threshold;
  29         unsigned char upper;
  30         unsigned char lower;
  31 };
  32
  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
  38
  39 #define OV772X_AUTO_EDGECTRL(u, l)      \
  40 {                                       \
  41         .upper = (u & EDGE_UPPER_MASK), \
  42         .lower = (l & EDGE_LOWER_MASK), \
  43 }
  44
  45 #define OV772X_MANUAL_EDGECTRL(s, t)                                    \
  46 {                                                                       \
  47         .strength  = (s & EDGE_STRENGTH_MASK) | OV772X_MANUAL_EDGE_CTRL,\
  48         .threshold = (t & EDGE_THRESHOLD_MASK),                         \
  49 }
  50
  51 /*
  52  * ov772x camera info
  53  */
  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;
  59 };
  60
  61 #endif /* __OV772X_H__ */