u-boot/include/video.h
Stefan Reinauer f674f7cfc0 video: Provide an API to access video parameters
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>
2012-11-06 22:57:32 +01:00

67 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