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- /*
- * Linux logo to be displayed on boot
- *
- * Copyright (C) 1996 Larry Ewing (lewing@isc.tamu.edu)
- * Copyright (C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- * Copyright (C) 2001 Greg Banks <gnb@alphalink.com.au>
- * Copyright (C) 2001 Jan-Benedict Glaw <jbglaw@lug-owl.de>
- * Copyright (C) 2003 Geert Uytterhoeven <geert@linux-m68k.org>
- */
- #include <linux/linux_logo.h>
- #include <linux/stddef.h>
- #include <linux/module.h>
- #ifdef CONFIG_M68K
- #include <asm/setup.h>
- #endif
- static bool nologo;
- module_param(nologo, bool, 0);
- MODULE_PARM_DESC(nologo, "Disables startup logo");
- /*
- * Logos are located in the initdata, and will be freed in kernel_init.
- * Use late_init to mark the logos as freed to prevent any further use.
- */
- static bool logos_freed;
- static int __init fb_logo_late_init(void)
- {
- logos_freed = true;
- return 0;
- }
- late_initcall(fb_logo_late_init);
- /* logo's are marked __initdata. Use __init_refok to tell
- * modpost that it is intended that this function uses data
- * marked __initdata.
- */
- const struct linux_logo * __init_refok fb_find_logo(int depth)
- {
- const struct linux_logo *logo = NULL;
- if (nologo || logos_freed)
- return NULL;
- if (depth >= 1) {
- #ifdef CONFIG_LOGO_LINUX_MONO
- /* Generic Linux logo */
- logo = &logo_linux_mono;
- #endif
- #ifdef CONFIG_LOGO_SUPERH_MONO
- /* SuperH Linux logo */
- logo = &logo_superh_mono;
- #endif
- }
-
- if (depth >= 4) {
- #ifdef CONFIG_LOGO_LINUX_VGA16
- /* Generic Linux logo */
- logo = &logo_linux_vga16;
- #endif
- #ifdef CONFIG_LOGO_BLACKFIN_VGA16
- /* Blackfin processor logo */
- logo = &logo_blackfin_vga16;
- #endif
- #ifdef CONFIG_LOGO_SUPERH_VGA16
- /* SuperH Linux logo */
- logo = &logo_superh_vga16;
- #endif
- }
-
- if (depth >= 8) {
- #ifdef CONFIG_LOGO_LINUX_CLUT224
- /* Generic Linux logo */
- logo = &logo_linux_clut224;
- #endif
- #ifdef CONFIG_LOGO_BLACKFIN_CLUT224
- /* Blackfin Linux logo */
- logo = &logo_blackfin_clut224;
- #endif
- #ifdef CONFIG_LOGO_DEC_CLUT224
- /* DEC Linux logo on MIPS/MIPS64 or ALPHA */
- logo = &logo_dec_clut224;
- #endif
- #ifdef CONFIG_LOGO_MAC_CLUT224
- /* Macintosh Linux logo on m68k */
- if (MACH_IS_MAC)
- logo = &logo_mac_clut224;
- #endif
- #ifdef CONFIG_LOGO_PARISC_CLUT224
- /* PA-RISC Linux logo */
- logo = &logo_parisc_clut224;
- #endif
- #ifdef CONFIG_LOGO_SGI_CLUT224
- /* SGI Linux logo on MIPS/MIPS64 */
- logo = &logo_sgi_clut224;
- #endif
- #ifdef CONFIG_LOGO_SUN_CLUT224
- /* Sun Linux logo */
- logo = &logo_sun_clut224;
- #endif
- #ifdef CONFIG_LOGO_SUPERH_CLUT224
- /* SuperH Linux logo */
- logo = &logo_superh_clut224;
- #endif
- #ifdef CONFIG_LOGO_M32R_CLUT224
- /* M32R Linux logo */
- logo = &logo_m32r_clut224;
- #endif
- }
- return logo;
- }
- EXPORT_SYMBOL_GPL(fb_find_logo);
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