Merge https://gitlab.denx.de/u-boot/custodians/u-boot-fsl-qoriq
[oweals/u-boot.git] / common / splash.c
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 <env.h>
25 #include <splash.h>
26 #include <lcd.h>
27
28 static struct splash_location default_splash_locations[] = {
29         {
30                 .name = "sf",
31                 .storage = SPLASH_STORAGE_SF,
32                 .flags = SPLASH_STORAGE_RAW,
33                 .offset = 0x0,
34         },
35         {
36                 .name = "mmc_fs",
37                 .storage = SPLASH_STORAGE_MMC,
38                 .flags = SPLASH_STORAGE_FS,
39                 .devpart = "0:1",
40         },
41         {
42                 .name = "usb_fs",
43                 .storage = SPLASH_STORAGE_USB,
44                 .flags = SPLASH_STORAGE_FS,
45                 .devpart = "0:1",
46         },
47         {
48                 .name = "sata_fs",
49                 .storage = SPLASH_STORAGE_SATA,
50                 .flags = SPLASH_STORAGE_FS,
51                 .devpart = "0:1",
52         },
53 };
54
55 __weak int splash_screen_prepare(void)
56 {
57         return splash_source_load(default_splash_locations,
58                                   ARRAY_SIZE(default_splash_locations));
59 }
60
61 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
62 void splash_get_pos(int *x, int *y)
63 {
64         char *s = env_get("splashpos");
65
66         if (!s)
67                 return;
68
69         if (s[0] == 'm')
70                 *x = BMP_ALIGN_CENTER;
71         else
72                 *x = simple_strtol(s, NULL, 0);
73
74         s = strchr(s + 1, ',');
75         if (s != NULL) {
76                 if (s[1] == 'm')
77                         *y = BMP_ALIGN_CENTER;
78                 else
79                         *y = simple_strtol(s + 1, NULL, 0);
80         }
81 }
82 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
83
84 /*
85  * Common function to show a splash image if env("splashimage") is set.
86  * Is used for both dm_video and lcd video stacks. For additional
87  * details please refer to doc/README.splashprepare.
88  */
89 #if defined(CONFIG_SPLASH_SCREEN) && defined(CONFIG_CMD_BMP)
90 int splash_display(void)
91 {
92         ulong addr;
93         char *s;
94         int x = 0, y = 0, ret;
95
96         s = env_get("splashimage");
97         if (!s)
98                 return -EINVAL;
99
100         addr = simple_strtoul(s, NULL, 16);
101         ret = splash_screen_prepare();
102         if (ret)
103                 return ret;
104
105         splash_get_pos(&x, &y);
106
107         return bmp_display(addr, x, y);
108 }
109 #endif