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 __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