LXR linux/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 */
  26struct 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 */
  54struct 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__ */
  62