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_dec_clut224; 28 extern const struct linux_logo logo_mac_clut224; 29 extern const struct linux_logo logo_parisc_clut224; 30 extern const struct linux_logo logo_sgi_clut224; 31 extern const struct linux_logo logo_sun_clut224; 32 extern const struct linux_logo logo_superh_mono; 33 extern const struct linux_logo logo_superh_vga16; 34 extern const struct linux_logo logo_superh_clut224; 35 extern const struct linux_logo logo_m32r_clut224; 36 37 static int nologo; 38 module_param(nologo, bool, 0); 39 MODULE_PARM_DESC(nologo, "Disables startup logo"); 40 41 /* logo's are marked __initdata. Use __init_refok to tell 42 * modpost that it is intended that this function uses data 43 * marked __initdata. 44 */ 45 const struct linux_logo * __init_refok fb_find_logo(int depth) 46 { 47 const struct linux_logo *logo = NULL; 48 49 if (nologo) 50 return NULL; 51 52 if (depth >= 1) { 53 #ifdef CONFIG_LOGO_LINUX_MONO 54 /* Generic Linux logo */ 55 logo = &logo_linux_mono; 56 #endif 57 #ifdef CONFIG_LOGO_SUPERH_MONO 58 /* SuperH Linux logo */ 59 logo = &logo_superh_mono; 60 #endif 61 } 62 63 if (depth >= 4) { 64 #ifdef CONFIG_LOGO_LINUX_VGA16 65 /* Generic Linux logo */ 66 logo = &logo_linux_vga16; 67 #endif 68 #ifdef CONFIG_LOGO_SUPERH_VGA16 69 /* SuperH Linux logo */ 70 logo = &logo_superh_vga16; 71 #endif 72 } 73 74 if (depth >= 8) { 75 #ifdef CONFIG_LOGO_LINUX_CLUT224 76 /* Generic Linux logo */ 77 logo = &logo_linux_clut224; 78 #endif 79 #ifdef CONFIG_LOGO_DEC_CLUT224 80 /* DEC Linux logo on MIPS/MIPS64 or ALPHA */ 81 logo = &logo_dec_clut224; 82 #endif 83 #ifdef CONFIG_LOGO_MAC_CLUT224 84 /* Macintosh Linux logo on m68k */ 85 if (MACH_IS_MAC) 86 logo = &logo_mac_clut224; 87 #endif 88 #ifdef CONFIG_LOGO_PARISC_CLUT224 89 /* PA-RISC Linux logo */ 90 logo = &logo_parisc_clut224; 91 #endif 92 #ifdef CONFIG_LOGO_SGI_CLUT224 93 /* SGI Linux logo on MIPS/MIPS64 and VISWS */ 94 logo = &logo_sgi_clut224; 95 #endif 96 #ifdef CONFIG_LOGO_SUN_CLUT224 97 /* Sun Linux logo */ 98 logo = &logo_sun_clut224; 99 #endif 100 #ifdef CONFIG_LOGO_SUPERH_CLUT224 101 /* SuperH Linux logo */ 102 logo = &logo_superh_clut224; 103 #endif 104 #ifdef CONFIG_LOGO_M32R_CLUT224 105 /* M32R Linux logo */ 106 logo = &logo_m32r_clut224; 107 #endif 108 } 109 return logo; 110 } 111 EXPORT_SYMBOL_GPL(fb_find_logo); 112