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 <display_options.h>
  24 #include <env.h>
  25 #include <splash.h>
  26 #include <video.h>
  27 #include <vsprintf.h>
  28 #include <linux/kernel.h>
  29
  30 static struct splash_location default_splash_locations[] = {
  31         {
  32                 .name = "sf",
  33                 .storage = SPLASH_STORAGE_SF,
  34                 .flags = SPLASH_STORAGE_RAW,
  35                 .offset = 0x0,
  36         },
  37         {
  38                 .name = "mmc_fs",
  39                 .storage = SPLASH_STORAGE_MMC,
  40                 .flags = SPLASH_STORAGE_FS,
  41                 .devpart = "0:1",
  42         },
  43         {
  44                 .name = "mmc_raw",
  45                 .storage = SPLASH_STORAGE_MMC,
  46                 .flags = SPLASH_STORAGE_RAW,
  47                 .devpart = "0:1",
  48         },
  49         {
  50                 .name = "usb_fs",
  51                 .storage = SPLASH_STORAGE_USB,
  52                 .flags = SPLASH_STORAGE_FS,
  53                 .devpart = "0:1",
  54         },
  55         {
  56                 .name = "sata_fs",
  57                 .storage = SPLASH_STORAGE_SATA,
  58                 .flags = SPLASH_STORAGE_FS,
  59                 .devpart = "0:1",
  60         },
  61 };
  62
  63 #ifdef CONFIG_VIDEO_LOGO
  64
  65 #include <bmp_logo_data.h>
  66
  67 static int splash_video_logo_load(void)
  68 {
  69         char *splashimage;
  70         ulong bmp_load_addr;
  71
  72         splashimage = env_get("splashimage");
  73         if (!splashimage)
  74                 return -ENOENT;
  75
  76         bmp_load_addr = hextoul(splashimage, 0);
  77         if (!bmp_load_addr) {
  78                 printf("Error: bad 'splashimage' address\n");
  79                 return -EFAULT;
  80         }
  81
  82         memcpy((void *)bmp_load_addr, bmp_logo_bitmap,
  83                ARRAY_SIZE(bmp_logo_bitmap));
  84
  85         return 0;
  86 }
  87 #else
  88 static inline int splash_video_logo_load(void) { return -ENOSYS; }
  89 #endif
  90
  91 __weak int splash_screen_prepare(void)
  92 {
  93         if (CONFIG_IS_ENABLED(SPLASH_SOURCE))
  94                 return splash_source_load(default_splash_locations,
  95                                           ARRAY_SIZE(default_splash_locations));
  96
  97         return splash_video_logo_load();
  98 }
  99
 100 void splash_get_pos(int *x, int *y)
 101 {
 102         char *s = env_get("splashpos");
 103
 104         if (!CONFIG_IS_ENABLED(SPLASH_SCREEN_ALIGN) || !s)
 105                 return;
 106
 107         if (s[0] == 'm')
 108                 *x = BMP_ALIGN_CENTER;
 109         else
 110                 *x = simple_strtol(s, NULL, 0);
 111
 112         s = strchr(s + 1, ',');
 113         if (s != NULL) {
 114                 if (s[1] == 'm')
 115                         *y = BMP_ALIGN_CENTER;
 116                 else
 117                         *y = simple_strtol(s + 1, NULL, 0);
 118         }
 119 }
 120
 121 #if CONFIG_IS_ENABLED(VIDEO) && !CONFIG_IS_ENABLED(HIDE_LOGO_VERSION)
 122
 123 #ifdef CONFIG_VIDEO_LOGO
 124 #include <bmp_logo.h>
 125 #endif
 126 #include <dm.h>
 127 #include <video_console.h>
 128 #include <video_font.h>
 129 #include <video_font_data.h>
 130
 131 void splash_display_banner(void)
 132 {
 133         struct video_fontdata __maybe_unused *fontdata = fonts;
 134         struct udevice *dev;
 135         char buf[DISPLAY_OPTIONS_BANNER_LENGTH];
 136         int col, row, ret;
 137
 138         ret = uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &dev);
 139         if (ret)
 140                 return;
 141
 142 #if IS_ENABLED(CONFIG_VIDEO_LOGO)
 143         col = BMP_LOGO_WIDTH / fontdata->width + 1;
 144         row = BMP_LOGO_HEIGHT / fontdata->height + 1;
 145 #else
 146         col = 0;
 147         row = 0;
 148 #endif
 149
 150         display_options_get_banner(false, buf, sizeof(buf));
 151         vidconsole_position_cursor(dev, col, 1);
 152         vidconsole_put_string(dev, buf);
 153         vidconsole_position_cursor(dev, 0, row);
 154 }
 155 #endif /* CONFIG_VIDEO && !CONFIG_HIDE_LOGO_VERSION */
 156
 157 /*
 158  * Common function to show a splash image if env("splashimage") is set.
 159  * For additional details please refer to doc/README.splashprepare.
 160  */
 161 int splash_display(void)
 162 {
 163         ulong addr;
 164         char *s;
 165         int x = 0, y = 0, ret;
 166         if (!CONFIG_IS_ENABLED(SPLASH_SCREEN))
 167                 return -ENOSYS;
 168         s = env_get("splashimage");
 169         if (!s)
 170                 return -EINVAL;
 171
 172         addr = hextoul(s, NULL);
 173         ret = splash_screen_prepare();
 174         if (ret)
 175                 return ret;
 176
 177         splash_get_pos(&x, &y);
 178
 179         if (CONFIG_IS_ENABLED(BMP))
 180                 ret = bmp_display(addr, x, y);
 181         else
 182                 return -ENOSYS;
 183
 184         /* Skip banner output on video console if the logo is not at 0,0 */
 185         if (x || y)
 186                 goto end;
 187
 188 #if CONFIG_IS_ENABLED(VIDEO) && !CONFIG_IS_ENABLED(HIDE_LOGO_VERSION)
 189         splash_display_banner();
 190 #endif
 191 end:
 192         return ret;
 193 }