/*
   * ov772x Camera

   *
   * Copyright (C) 2008 Renesas Solutions Corp.
   * Kuninori Morimoto <morimoto.kuninori@renesas.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #ifndef __OV772X_H__
  #define __OV772X_H__

  /* for flags */

  #define OV772X_FLAG_VFLIP	(1 << 0) /* Vertical flip image */
  #define OV772X_FLAG_HFLIP	(1 << 1) /* Horizontal flip image */

  /*
   * for Edge ctrl
   *
   * strength also control Auto or Manual Edge Control Mode
   * see also OV772X_MANUAL_EDGE_CTRL
   */
  struct ov772x_edge_ctrl {
  	unsigned char strength;
  	unsigned char threshold;
  	unsigned char upper;
  	unsigned char lower;
  };

  #define OV772X_MANUAL_EDGE_CTRL		0x80 /* un-used bit of strength */
  #define OV772X_EDGE_STRENGTH_MASK	0x1F
  #define OV772X_EDGE_THRESHOLD_MASK	0x0F
  #define OV772X_EDGE_UPPER_MASK		0xFF
  #define OV772X_EDGE_LOWER_MASK		0xFF

  
  #define OV772X_AUTO_EDGECTRL(u, l)	\
  {					\

  	.upper = (u & OV772X_EDGE_UPPER_MASK),	\
  	.lower = (l & OV772X_EDGE_LOWER_MASK),	\

  }

  #define OV772X_MANUAL_EDGECTRL(s, t)			\
  {							\
  	.strength  = (s & OV772X_EDGE_STRENGTH_MASK) |	\
  			OV772X_MANUAL_EDGE_CTRL,	\
  	.threshold = (t & OV772X_EDGE_THRESHOLD_MASK),	\

  }
  
  /*
   * ov772x camera info
   */

  struct ov772x_camera_info {

  	unsigned long		flags;
  	struct ov772x_edge_ctrl	edgectrl;

  };
  
  #endif /* __OV772X_H__ */