/*
  ** MPC823 Video Controller
  ** =======================
  ** (C) 2000 by Paolo Scaffardi (arsenio@tin.it)
  ** AIRVENT SAM s.p.a - RIMINI(ITALY)
  **
  */
  
  #ifndef _VIDEO_H_
  #define _VIDEO_H_
  
  /* Video functions */
  
  struct stdio_dev;
  
  int	video_init(void *videobase);
  void	video_putc(struct stdio_dev *dev, const char c);
  void	video_puts(struct stdio_dev *dev, const char *s);
  
  /**
   * Display a BMP format bitmap on the screen
   *
   * @param bmp_image	Address of BMP image
   * @param x		X position to draw image
   * @param y		Y position to draw image
   */
  int video_display_bitmap(ulong bmp_image, int x, int y);
  
  /**
   * Get the width of the screen in pixels
   *
   * @return width of screen in pixels
   */
  int video_get_pixel_width(void);
  
  /**
   * Get the height of the screen in pixels
   *
   * @return height of screen in pixels
   */
  int video_get_pixel_height(void);
  
  /**
   * Get the number of text lines/rows on the screen
   *
   * @return number of rows
   */
  int video_get_screen_rows(void);
  
  /**
   * Get the number of text columns on the screen
   *
   * @return number of columns
   */
  int video_get_screen_columns(void);
  
  /**
   * Set the position of the text cursor
   *
   * @param col	Column to place cursor (0 = left side)
   * @param row	Row to place cursor (0 = top line)
   */
  void video_position_cursor(unsigned col, unsigned row);
  
  /* Clear the display */
  void video_clear(void);
  
  #if defined(CONFIG_FORMIKE)
  int kwh043st20_f01_spi_startup(unsigned int bus, unsigned int cs,
  	unsigned int max_hz, unsigned int spi_mode);
  #endif
  #endif