/* * 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 * Copyright (C) 2001 Jan-Benedict Glaw * Copyright (C) 2003 Geert Uytterhoeven */ #include #include #include #ifdef CONFIG_M68K #include #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 __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);
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