| /* | |
| * 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_sync(fb_logo_late_init); | |
| /* logo's are marked __initdata. Use __ref to tell | |
| * modpost that it is intended that this function uses data | |
| * marked __initdata. | |
| */ | |
| const struct linux_logo * __ref 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); |