xref: /openbmc/u-boot/api/api_display.c (revision 8875833a)
1 /*
2  * Copyright (c) 2011 The Chromium OS Authors.
3  * See file CREDITS for list of people who contributed to this
4  * project.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation; either version 2 of
9  * the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19  * MA 02111-1307 USA
20  */
21 
22 #include <common.h>
23 #include <api_public.h>
24 #include <lcd.h>
25 #include <video_font.h> /* Get font width and height */
26 
27 /* lcd.h needs BMP_LOGO_HEIGHT to calculate CONSOLE_ROWS */
28 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
29 #include <bmp_logo.h>
30 #endif
31 
32 /* TODO(clchiou): add support of video device */
33 
34 int display_get_info(int type, struct display_info *di)
35 {
36 	if (!di)
37 		return API_EINVAL;
38 
39 	switch (type) {
40 	default:
41 		debug("%s: unsupport display device type: %d\n",
42 				__FILE__, type);
43 		return API_ENODEV;
44 #ifdef CONFIG_LCD
45 	case DISPLAY_TYPE_LCD:
46 		di->pixel_width  = panel_info.vl_col;
47 		di->pixel_height = panel_info.vl_row;
48 		di->screen_rows = CONSOLE_ROWS;
49 		di->screen_cols = CONSOLE_COLS;
50 		break;
51 #endif
52 	}
53 
54 	di->type = type;
55 	return 0;
56 }
57 
58 int display_draw_bitmap(ulong bitmap, int x, int y)
59 {
60 	if (!bitmap)
61 		return API_EINVAL;
62 #ifdef CONFIG_LCD
63 	return lcd_display_bitmap(bitmap, x, y);
64 #else
65 	return API_ENODEV;
66 #endif
67 }
68 
69 void display_clear(void)
70 {
71 #ifdef CONFIG_LCD
72 	lcd_clear();
73 #endif
74 }
75