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