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 #if defined(CONFIG_DM_VIDEO) && defined(CONFIG_VIDEO_LOGO)
  56
  57 #include <bmp_logo_data.h>
  58
  59 static int splash_video_logo_load(void)
  60 {
  61         char *splashimage;
  62         u32 bmp_load_addr;
  63
  64         splashimage = env_get("splashimage");
  65         if (!splashimage)
  66                 return -ENOENT;
  67
  68         bmp_load_addr = simple_strtoul(splashimage, 0, 16);
  69         if (!bmp_load_addr) {
  70                 printf("Error: bad 'splashimage' address\n");
  71                 return -EFAULT;
  72         }
  73
  74         memcpy((void *)bmp_load_addr, bmp_logo_bitmap,
  75                ARRAY_SIZE(bmp_logo_bitmap));
  76
  77         return 0;
  78 }
  79 #else
  80 static inline int splash_video_logo_load(void) { return -ENOSYS; }
  81 #endif
  82
  83 __weak int splash_screen_prepare(void)
  84 {
  85         if (CONFIG_IS_ENABLED(SPLASH_SOURCE))
  86                 return splash_source_load(default_splash_locations,
  87                                           ARRAY_SIZE(default_splash_locations));
  88
  89         return splash_video_logo_load();
  90 }
  91
  92 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
  93 void splash_get_pos(int *x, int *y)
  94 {
  95         char *s = env_get("splashpos");
  96
  97         if (!s)
  98                 return;
  99
 100         if (s[0] == 'm')
 101                 *x = BMP_ALIGN_CENTER;
 102         else
 103                 *x = simple_strtol(s, NULL, 0);
 104
 105         s = strchr(s + 1, ',');
 106         if (s != NULL) {
 107                 if (s[1] == 'm')
 108                         *y = BMP_ALIGN_CENTER;
 109                 else
 110                         *y = simple_strtol(s + 1, NULL, 0);
 111         }
 112 }
 113 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
 114
 115 /*
 116  * Common function to show a splash image if env("splashimage") is set.
 117  * Is used for both dm_video and lcd video stacks. For additional
 118  * details please refer to doc/README.splashprepare.
 119  */
 120 #if defined(CONFIG_SPLASH_SCREEN) && defined(CONFIG_CMD_BMP)
 121 int splash_display(void)
 122 {
 123         ulong addr;
 124         char *s;
 125         int x = 0, y = 0, ret;
 126
 127         s = env_get("splashimage");
 128         if (!s)
 129                 return -EINVAL;
 130
 131         addr = simple_strtoul(s, NULL, 16);
 132         ret = splash_screen_prepare();
 133         if (ret)
 134                 return ret;
 135
 136         splash_get_pos(&x, &y);
 137
 138         return bmp_display(addr, x, y);
 139 }
 140 #endif