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 24 extern const struct linux_logo logo_linux_mono; 25 extern const struct linux_logo logo_linux_vga16; 26 extern const struct linux_logo logo_linux_clut224; 27 extern const struct linux_logo logo_blackfin_vga16; 28 extern const struct linux_logo logo_blackfin_clut224; 29 extern const struct linux_logo logo_dec_clut224; 30 extern const struct linux_logo logo_mac_clut224; 31 extern const struct linux_logo logo_parisc_clut224; 32 extern const struct linux_logo logo_sgi_clut224; 33 extern const struct linux_logo logo_sun_clut224; 34 extern const struct linux_logo logo_superh_mono; 35 extern const struct linux_logo logo_superh_vga16; 36 extern const struct linux_logo logo_superh_clut224; 37 extern const struct linux_logo logo_m32r_clut224; 38 39 static int nologo; 40 module_param(nologo, bool, 0); 41 MODULE_PARM_DESC(nologo, "Disables startup logo"); 42 43 /* logo's are marked __initdata. Use __init_refok to tell 44 * modpost that it is intended that this function uses data 45 * marked __initdata. 46 */ 47 const struct linux_logo * __init_refok fb_find_logo(int depth) 48 { 49 const struct linux_logo *logo = NULL; 50 51 if (nologo) 52 return NULL; 53 54 if (depth >= 1) { 55 #ifdef CONFIG_LOGO_LINUX_MONO 56 /* Generic Linux logo */ 57 logo = &logo_linux_mono; 58 #endif 59 #ifdef CONFIG_LOGO_SUPERH_MONO 60 /* SuperH Linux logo */ 61 logo = &logo_superh_mono; 62 #endif 63 } 64 65 if (depth >= 4) { 66 #ifdef CONFIG_LOGO_LINUX_VGA16 67 /* Generic Linux logo */ 68 logo = &logo_linux_vga16; 69 #endif 70 #ifdef CONFIG_LOGO_BLACKFIN_VGA16 71 /* Blackfin processor logo */ 72 logo = &logo_blackfin_vga16; 73 #endif 74 #ifdef CONFIG_LOGO_SUPERH_VGA16 75 /* SuperH Linux logo */ 76 logo = &logo_superh_vga16; 77 #endif 78 } 79 80 if (depth >= 8) { 81 #ifdef CONFIG_LOGO_LINUX_CLUT224 82 /* Generic Linux logo */ 83 logo = &logo_linux_clut224; 84 #endif 85 #ifdef CONFIG_LOGO_BLACKFIN_CLUT224 86 /* Blackfin Linux logo */ 87 logo = &logo_blackfin_clut224; 88 #endif 89 #ifdef CONFIG_LOGO_DEC_CLUT224 90 /* DEC Linux logo on MIPS/MIPS64 or ALPHA */ 91 logo = &logo_dec_clut224; 92 #endif 93 #ifdef CONFIG_LOGO_MAC_CLUT224 94 /* Macintosh Linux logo on m68k */ 95 if (MACH_IS_MAC) 96 logo = &logo_mac_clut224; 97 #endif 98 #ifdef CONFIG_LOGO_PARISC_CLUT224 99 /* PA-RISC Linux logo */ 100 logo = &logo_parisc_clut224; 101 #endif 102 #ifdef CONFIG_LOGO_SGI_CLUT224 103 /* SGI Linux logo on MIPS/MIPS64 and VISWS */ 104 logo = &logo_sgi_clut224; 105 #endif 106 #ifdef CONFIG_LOGO_SUN_CLUT224 107 /* Sun Linux logo */ 108 logo = &logo_sun_clut224; 109 #endif 110 #ifdef CONFIG_LOGO_SUPERH_CLUT224 111 /* SuperH Linux logo */ 112 logo = &logo_superh_clut224; 113 #endif 114 #ifdef CONFIG_LOGO_M32R_CLUT224 115 /* M32R Linux logo */ 116 logo = &logo_m32r_clut224; 117 #endif 118 } 119 return logo; 120 } 121 EXPORT_SYMBOL_GPL(fb_find_logo); 122