xref: /openbmc/u-boot/common/splash.c (revision 41fbbbbc)
1 /*
2  * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com>
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., http://www.fsf.org/about/contact/
20  *
21  */
22 
23 #include <common.h>
24 #include <splash.h>
25 #include <lcd.h>
26 
27 __weak int splash_screen_prepare(void)
28 {
29 	return 0;
30 }
31 
32 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
33 void splash_get_pos(int *x, int *y)
34 {
35 	char *s = getenv("splashpos");
36 
37 	if (!s)
38 		return;
39 
40 	if (s[0] == 'm')
41 		*x = BMP_ALIGN_CENTER;
42 	else
43 		*x = simple_strtol(s, NULL, 0);
44 
45 	s = strchr(s + 1, ',');
46 	if (s != NULL) {
47 		if (s[1] == 'm')
48 			*y = BMP_ALIGN_CENTER;
49 		else
50 			*y = simple_strtol(s + 1, NULL, 0);
51 	}
52 }
53 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
54 
55 #if defined(CONFIG_SPLASH_SCREEN) && defined(CONFIG_LCD)
56 int lcd_splash(ulong addr)
57 {
58 	int x = 0, y = 0, ret;
59 
60 	ret = splash_screen_prepare();
61 	if (ret)
62 		return ret;
63 
64 	splash_get_pos(&x, &y);
65 
66 	return bmp_display(addr, x, y);
67 }
68 #endif
69