include/video.h

   1 /*
   2 ** MPC823 Video Controller
   3 ** =======================
   4 ** (C) 2000 by Paolo Scaffardi (arsenio@tin.it)
   5 ** AIRVENT SAM s.p.a - RIMINI(ITALY)
   6 **
   7 */
   8
   9 #ifndef _VIDEO_H_
  10 #define _VIDEO_H_
  11
  12 /* Video functions */
  13
  14 int     video_init      (void *videobase);
  15 void    video_putc      (const char c);
  16 void    video_puts      (const char *s);
  17
  18 /**
  19  * Display a BMP format bitmap on the screen
  20  *
  21  * @param bmp_image     Address of BMP image
  22  * @param x             X position to draw image
  23  * @param y             Y position to draw image
  24  */
  25 int video_display_bitmap(ulong bmp_image, int x, int y);
  26
  27 /**
  28  * Get the width of the screen in pixels
  29  *
  30  * @return width of screen in pixels
  31  */
  32 int video_get_pixel_width(void);
  33
  34 /**
  35  * Get the height of the screen in pixels
  36  *
  37  * @return height of screen in pixels
  38  */
  39 int video_get_pixel_height(void);
  40
  41 /**
  42  * Get the number of text lines/rows on the screen
  43  *
  44  * @return number of rows
  45  */
  46 int video_get_screen_rows(void);
  47
  48 /**
  49  * Get the number of text columns on the screen
  50  *
  51  * @return number of columns
  52  */
  53 int video_get_screen_columns(void);
  54
  55 /**
  56  * Set the position of the text cursor
  57  *
  58  * @param col   Column to place cursor (0 = left side)
  59  * @param row   Row to place cursor (0 = top line)
  60  */
  61 void video_position_cursor(unsigned col, unsigned row);
  62
  63 /* Clear the display */
  64 void video_clear(void);
  65
  66 #if defined(CONFIG_FORMIKE)
  67 int kwh043st20_f01_spi_startup(unsigned int bus, unsigned int cs,
  68         unsigned int max_hz, unsigned int spi_mode);
  69 #endif
  70 #endif