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 struct stdio_dev;
  15
  16 int     video_init(void *videobase);
  17 void    video_putc(struct stdio_dev *dev, const char c);
  18 void    video_puts(struct stdio_dev *dev, const char *s);
  19
  20 /**
  21  * Display a BMP format bitmap on the screen
  22  *
  23  * @param bmp_image     Address of BMP image
  24  * @param x             X position to draw image
  25  * @param y             Y position to draw image
  26  */
  27 int video_display_bitmap(ulong bmp_image, int x, int y);
  28
  29 /**
  30  * Get the width of the screen in pixels
  31  *
  32  * @return width of screen in pixels
  33  */
  34 int video_get_pixel_width(void);
  35
  36 /**
  37  * Get the height of the screen in pixels
  38  *
  39  * @return height of screen in pixels
  40  */
  41 int video_get_pixel_height(void);
  42
  43 /**
  44  * Get the number of text lines/rows on the screen
  45  *
  46  * @return number of rows
  47  */
  48 int video_get_screen_rows(void);
  49
  50 /**
  51  * Get the number of text columns on the screen
  52  *
  53  * @return number of columns
  54  */
  55 int video_get_screen_columns(void);
  56
  57 /**
  58  * Set the position of the text cursor
  59  *
  60  * @param col   Column to place cursor (0 = left side)
  61  * @param row   Row to place cursor (0 = top line)
  62  */
  63 void video_position_cursor(unsigned col, unsigned row);
  64
  65 /* Clear the display */
  66 void video_clear(void);
  67
  68 #if defined(CONFIG_FORMIKE)
  69 int kwh043st20_f01_spi_startup(unsigned int bus, unsigned int cs,
  70         unsigned int max_hz, unsigned int spi_mode);
  71 #endif
  72 #if defined(CONFIG_LG4573)
  73 int lg4573_spi_startup(unsigned int bus, unsigned int cs,
  74         unsigned int max_hz, unsigned int spi_mode);
  75 #endif
  76 #endif