/*
   * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>
   *
   * generic videomode description
   *
   * This file is released under the GPLv2
   */
  
  #ifndef __LINUX_VIDEOMODE_H
  #define __LINUX_VIDEOMODE_H
  
  #include <linux/types.h>
  #include <video/display_timing.h>
  
  /*
   * Subsystem independent description of a videomode.
   * Can be generated from struct display_timing.
   */
  struct videomode {
  	unsigned long pixelclock;	/* pixelclock in Hz */
  
  	u32 hactive;
  	u32 hfront_porch;
  	u32 hback_porch;
  	u32 hsync_len;
  
  	u32 vactive;
  	u32 vfront_porch;
  	u32 vback_porch;
  	u32 vsync_len;
  
  	enum display_flags flags; /* display flags */
  };
  
  /**
   * videomode_from_timing - convert display timing to videomode
   * @dt: display_timing structure
   * @vm: return value
   *
   * DESCRIPTION:
   * This function converts a struct display_timing to a struct videomode.
   */
  void videomode_from_timing(const struct display_timing *dt,
  			  struct videomode *vm);
  
  /**
   * videomode_from_timings - convert one display timings entry to videomode
   * @disp: structure with all possible timing entries
   * @vm: return value
   * @index: index into the list of display timings in devicetree
   *
   * DESCRIPTION:
   * This function converts one struct display_timing entry to a struct videomode.
   */
  int videomode_from_timings(const struct display_timings *disp,
  			  struct videomode *vm, unsigned int index);
  
  #endif