bmp_logo.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpi.h>
#include <bootsplash.h>
#include <cbfs.h>
#include <cbmem.h>
#include <stdint.h>
 
static const struct cbmem_entry *logo_entry;
 
void bmp_load_logo(uint32_t *logo_ptr, uint32_t *logo_size)
{
        void *logo_buffer;
 
        /* CBMEM is locked for S3 resume path. */
        if (acpi_is_wakeup_s3())
                return;
 
        logo_entry = cbmem_entry_add(CBMEM_ID_FSP_LOGO, 1 * MiB);
        if (!logo_entry)
                return;
 
        logo_buffer = cbmem_entry_start(logo_entry);
        if (!logo_buffer)
                return;
 
        *logo_size = cbfs_load("logo.bmp", logo_buffer, 1 * MiB);
        if (*logo_size)
                *logo_ptr = (uintptr_t)logo_buffer;
}
 
void bmp_release_logo(void)
{
        if (logo_entry)
                cbmem_entry_remove(logo_entry);
        logo_entry = NULL;
}