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 #include <media/soc_camera.h>
  16
  17 /* for flags */
  18 #define OV772X_FLAG_VFLIP     0x00000001 /* Vertical flip image */
  19 #define OV772X_FLAG_HFLIP     0x00000002 /* Horizontal flip image */
  20
  21 /*
  22  * for Edge ctrl
  23  *
  24  * strength also control Auto or Manual Edge Control Mode
  25  * see also OV772X_MANUAL_EDGE_CTRL
  26  */
  27 struct ov772x_edge_ctrl {
  28         unsigned char strength;
  29         unsigned char threshold;
  30         unsigned char upper;
  31         unsigned char lower;
  32 };
  33
  34 #define OV772X_MANUAL_EDGE_CTRL 0x80 /* un-used bit of strength */
  35 #define EDGE_STRENGTH_MASK      0x1F
  36 #define EDGE_THRESHOLD_MASK     0x0F
  37 #define EDGE_UPPER_MASK         0xFF
  38 #define EDGE_LOWER_MASK         0xFF
  39
  40 #define OV772X_AUTO_EDGECTRL(u, l)      \
  41 {                                       \
  42         .upper = (u & EDGE_UPPER_MASK), \
  43         .lower = (l & EDGE_LOWER_MASK), \
  44 }
  45
  46 #define OV772X_MANUAL_EDGECTRL(s, t)                                    \
  47 {                                                                       \
  48         .strength  = (s & EDGE_STRENGTH_MASK) | OV772X_MANUAL_EDGE_CTRL,\
  49         .threshold = (t & EDGE_THRESHOLD_MASK),                         \
  50 }
  51
  52 /*
  53  * ov772x camera info
  54  */
  55 struct ov772x_camera_info {
  56         unsigned long          buswidth;
  57         unsigned long          flags;
  58         struct ov772x_edge_ctrl edgectrl;
  59 };
  60
  61 #endif /* __OV772X_H__ */