u-boot/common/splash.c

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/*
* Copyright (C) 2013, Boundary Devices <info@boundarydevices.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/
*
*/
#include <common.h>
#include <splash.h>
#include <lcd.h>
static struct splash_location default_splash_locations[] = {
{
.name = "sf",
.storage = SPLASH_STORAGE_SF,
.flags = SPLASH_STORAGE_RAW,
.offset = 0x0,
},
{
.name = "mmc_fs",
.storage = SPLASH_STORAGE_MMC,
.flags = SPLASH_STORAGE_FS,
.devpart = "0:1",
},
{
.name = "usb_fs",
.storage = SPLASH_STORAGE_USB,
.flags = SPLASH_STORAGE_FS,
.devpart = "0:1",
},
{
.name = "sata_fs",
.storage = SPLASH_STORAGE_SATA,
.flags = SPLASH_STORAGE_FS,
.devpart = "0:1",
},
};
__weak int splash_screen_prepare(void)
{
return splash_source_load(default_splash_locations,
ARRAY_SIZE(default_splash_locations));
}
#ifdef CONFIG_SPLASH_SCREEN_ALIGN
void splash_get_pos(int *x, int *y)
{
char *s = env_get("splashpos");
if (!s)
return;
if (s[0] == 'm')
*x = BMP_ALIGN_CENTER;
else
*x = simple_strtol(s, NULL, 0);
s = strchr(s + 1, ',');
if (s != NULL) {
if (s[1] == 'm')
*y = BMP_ALIGN_CENTER;
else
*y = simple_strtol(s + 1, NULL, 0);
}
}
#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
/*
* Common function to show a splash image if env("splashimage") is set.
* Is used for both dm_video and lcd video stacks. For additional
* details please refer to doc/README.splashprepare.
*/
#if defined(CONFIG_SPLASH_SCREEN) && defined(CONFIG_CMD_BMP)
int splash_display(void)
{
ulong addr;
char *s;
int x = 0, y = 0, ret;
s = env_get("splashimage");
if (!s)
return -EINVAL;
addr = simple_strtoul(s, NULL, 16);
ret = splash_screen_prepare();
if (ret)
return ret;
splash_get_pos(&x, &y);
return bmp_display(addr, x, y);
}
#endif