1 2/* 3 * Linux logo to be displayed on boot 4 * 5 * Copyright (C) 1996 Larry Ewing (lewing@isc.tamu.edu) 6 * Copyright (C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) 7 * Copyright (C) 2001 Greg Banks <gnb@alphalink.com.au> 8 * Copyright (C) 2001 Jan-Benedict Glaw <jbglaw@lug-owl.de> 9 * Copyright (C) 2003 Geert Uytterhoeven <geert@linux-m68k.org> 10 */ 11 12#include <linux/linux_logo.h> 13#include <linux/stddef.h> 14#include <linux/module.h> 15 16#ifdef CONFIG_M68K 17#include <asm/setup.h> 18#endif 19 20#ifdef CONFIG_MIPS 21#include <asm/bootinfo.h> 22#endif 23 24static bool nologo; 25module_param(nologo, bool, 0); 26MODULE_PARM_DESC(nologo, "Disables startup logo"); 27 28/* logo's are marked __initdata. Use __init_refok to tell 29 * modpost that it is intended that this function uses data 30 * marked __initdata. 31 */ 32const struct linux_logo * __init_refok fb_find_logo(int depth) 33{ 34 const struct linux_logo *logo = NULL; 35 36 if (nologo) 37 return NULL; 38 39 if (depth >= 1) { 40#ifdef CONFIG_LOGO_LINUX_MONO 41 /* Generic Linux logo */ 42 logo = &logo_linux_mono; 43#endif 44#ifdef CONFIG_LOGO_SUPERH_MONO 45 /* SuperH Linux logo */ 46 logo = &logo_superh_mono; 47#endif 48 } 49 50 if (depth >= 4) { 51#ifdef CONFIG_LOGO_LINUX_VGA16 52 /* Generic Linux logo */ 53 logo = &logo_linux_vga16; 54#endif 55#ifdef CONFIG_LOGO_BLACKFIN_VGA16 56 /* Blackfin processor logo */ 57 logo = &logo_blackfin_vga16; 58#endif 59#ifdef CONFIG_LOGO_SUPERH_VGA16 60 /* SuperH Linux logo */ 61 logo = &logo_superh_vga16; 62#endif 63 } 64 65 if (depth >= 8) { 66#ifdef CONFIG_LOGO_LINUX_CLUT224 67 /* Generic Linux logo */ 68 logo = &logo_linux_clut224; 69#endif 70#ifdef CONFIG_LOGO_BLACKFIN_CLUT224 71 /* Blackfin Linux logo */ 72 logo = &logo_blackfin_clut224; 73#endif 74#ifdef CONFIG_LOGO_DEC_CLUT224 75 /* DEC Linux logo on MIPS/MIPS64 or ALPHA */ 76 logo = &logo_dec_clut224; 77#endif 78#ifdef CONFIG_LOGO_MAC_CLUT224 79 /* Macintosh Linux logo on m68k */ 80 if (MACH_IS_MAC) 81 logo = &logo_mac_clut224; 82#endif 83#ifdef CONFIG_LOGO_PARISC_CLUT224 84 /* PA-RISC Linux logo */ 85 logo = &logo_parisc_clut224; 86#endif 87#ifdef CONFIG_LOGO_SGI_CLUT224 88 /* SGI Linux logo on MIPS/MIPS64 and VISWS */ 89 logo = &logo_sgi_clut224; 90#endif 91#ifdef CONFIG_LOGO_SUN_CLUT224 92 /* Sun Linux logo */ 93 logo = &logo_sun_clut224; 94#endif 95#ifdef CONFIG_LOGO_SUPERH_CLUT224 96 /* SuperH Linux logo */ 97 logo = &logo_superh_clut224; 98#endif 99#ifdef CONFIG_LOGO_M32R_CLUT224 100 /* M32R Linux logo */ 101 logo = &logo_m32r_clut224; 102#endif 103 } 104 return logo; 105} 106EXPORT_SYMBOL_GPL(fb_find_logo); 107