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       (1 << 0) /* Vertical flip image */
  19 #define OV772X_FLAG_HFLIP       (1 << 1) /* Horizontal flip image */
  20 #define OV772X_FLAG_8BIT        (1 << 2) /* default 10 bit */
  21
  22 /*
  23  * for Edge ctrl
  24  *
  25  * strength also control Auto or Manual Edge Control Mode
  26  * see also OV772X_MANUAL_EDGE_CTRL
  27  */
  28 struct ov772x_edge_ctrl {
  29         unsigned char strength;
  30         unsigned char threshold;
  31         unsigned char upper;
  32         unsigned char lower;
  33 };
  34
  35 #define OV772X_MANUAL_EDGE_CTRL 0x80 /* un-used bit of strength */
  36 #define EDGE_STRENGTH_MASK      0x1F
  37 #define EDGE_THRESHOLD_MASK     0x0F
  38 #define EDGE_UPPER_MASK         0xFF
  39 #define EDGE_LOWER_MASK         0xFF
  40
  41 #define OV772X_AUTO_EDGECTRL(u, l)      \
  42 {                                       \
  43         .upper = (u & EDGE_UPPER_MASK), \
  44         .lower = (l & EDGE_LOWER_MASK), \
  45 }
  46
  47 #define OV772X_MANUAL_EDGECTRL(s, t)                                    \
  48 {                                                                       \
  49         .strength  = (s & EDGE_STRENGTH_MASK) | OV772X_MANUAL_EDGE_CTRL,\
  50         .threshold = (t & EDGE_THRESHOLD_MASK),                         \
  51 }
  52
  53 /*
  54  * ov772x camera info
  55  */
  56 struct ov772x_camera_info {
  57         unsigned long           flags;
  58         struct ov772x_edge_ctrl edgectrl;
  59 };
  60
  61 #endif /* __OV772X_H__ */