diff options
Diffstat (limited to 'src/lib/bmp_logo.c')
-rw-r--r-- | src/lib/bmp_logo.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/lib/bmp_logo.c b/src/lib/bmp_logo.c new file mode 100644 index 0000000000..330ed6fff4 --- /dev/null +++ b/src/lib/bmp_logo.c @@ -0,0 +1,37 @@ +/* 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; +} |