mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 16:39:35 +00:00
f674f7cfc0
Create a basic API to provide access to video parameters such as screen size, and to position the cursor on the screen. Also add a prototype for video_display_bitmap() which was missing. Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Anatolij Gustschin <agust@denx.de>
66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
/*
|
|
** 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 */
|
|
|
|
int video_init (void *videobase);
|
|
void video_putc (const char c);
|
|
void video_puts (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);
|
|
|
|
#endif
|