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