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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2019 Johanna Schander <coreboot@mimoja.de>
*
* 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; version 2 of the License.
*
* 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.
*/
#include <cbfs.h>
#include <vbe.h>
#include <console/console.h>
#include <endian.h>
#include <bootsplash.h>
#include "jpeg.h"
void set_vesa_bootsplash(void)
{
const vbe_mode_info_t *mode_info = vbe_mode_info();
if (mode_info != NULL) {
unsigned int x_resolution = le16_to_cpu(mode_info->vesa.x_resolution);
unsigned int y_resolution = le16_to_cpu(mode_info->vesa.y_resolution);
unsigned int fb_resolution = mode_info->vesa.bits_per_pixel;
unsigned char *framebuffer =
(unsigned char *)le32_to_cpu(mode_info->vesa.phys_base_ptr);
set_bootsplash(framebuffer, x_resolution, y_resolution, fb_resolution);
} else {
printk(BIOS_ERR, "VBE modeinfo invalid\n");
}
}
void set_bootsplash(unsigned char *framebuffer, unsigned int x_resolution,
unsigned int y_resolution, unsigned int fb_resolution)
{
printk(BIOS_INFO, "Setting up bootsplash in %dx%d@%d\n", x_resolution, y_resolution,
fb_resolution);
struct jpeg_decdata *decdata;
unsigned char *jpeg =
cbfs_boot_map_with_leak("bootsplash.jpg", CBFS_TYPE_BOOTSPLASH, NULL);
if (!jpeg) {
printk(BIOS_ERR, "Could not find bootsplash.jpg\n");
return;
}
int image_width, image_height;
jpeg_fetch_size(jpeg, &image_width, &image_height);
printk(BIOS_DEBUG, "Bootsplash image resolution: %dx%d\n", image_width, image_height);
decdata = malloc(sizeof(*decdata));
int ret = jpeg_decode(jpeg, framebuffer, x_resolution, y_resolution, fb_resolution,
decdata);
if (ret != 0) {
printk(BIOS_ERR, "Bootsplash could not be decoded. jpeg_decode returned %d.\n",
ret);
return;
}
printk(BIOS_INFO, "Bootsplash loaded\n");
}
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