1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #include <acpi/acpi.h> 4 #include <bootsplash.h> 5 #include <cbfs.h> 6 #include <cbmem.h> 7 #include <stdint.h> 8 #include <vendorcode/google/chromeos/chromeos.h> 9 10 static const struct cbmem_entry *logo_entry; 11 12 #if !CONFIG(HAVE_CUSTOM_BMP_LOGO) bmp_logo_filename(void)13const char *bmp_logo_filename(void) 14 { 15 return "logo.bmp"; 16 } 17 #endif 18 bmp_load_logo(size_t * logo_size)19void *bmp_load_logo(size_t *logo_size) 20 { 21 void *logo_buffer; 22 23 /* CBMEM is locked for S3 resume path. */ 24 if (acpi_is_wakeup_s3()) 25 return NULL; 26 27 logo_entry = cbmem_entry_add(CBMEM_ID_FSP_LOGO, 1 * MiB); 28 if (!logo_entry) 29 return NULL; 30 31 logo_buffer = cbmem_entry_start(logo_entry); 32 if (!logo_buffer) 33 return NULL; 34 35 *logo_size = cbfs_load(bmp_logo_filename(), logo_buffer, 1 * MiB); 36 if (*logo_size == 0) 37 return NULL; 38 39 return logo_buffer; 40 } 41 bmp_release_logo(void)42void bmp_release_logo(void) 43 { 44 if (logo_entry) 45 cbmem_entry_remove(logo_entry); 46 logo_entry = NULL; 47 } 48