Commit | Line | Data |
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1da177e4 LT |
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 | ||
1da177e4 LT |
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 | ||
90ab5ee9 | 20 | static bool nologo; |
accaa24c RD |
21 | module_param(nologo, bool, 0); |
22 | MODULE_PARM_DESC(nologo, "Disables startup logo"); | |
23 | ||
92b004d1 TV |
24 | /* |
25 | * Logos are located in the initdata, and will be freed in kernel_init. | |
26 | * Use late_init to mark the logos as freed to prevent any further use. | |
27 | */ | |
28 | ||
29 | static bool logos_freed; | |
30 | ||
31 | static int __init fb_logo_late_init(void) | |
32 | { | |
33 | logos_freed = true; | |
34 | return 0; | |
35 | } | |
36 | ||
37 | late_initcall(fb_logo_late_init); | |
38 | ||
92cc6b07 SR |
39 | /* logo's are marked __initdata. Use __init_refok to tell |
40 | * modpost that it is intended that this function uses data | |
41 | * marked __initdata. | |
42 | */ | |
43 | const struct linux_logo * __init_refok fb_find_logo(int depth) | |
1da177e4 LT |
44 | { |
45 | const struct linux_logo *logo = NULL; | |
46 | ||
92b004d1 | 47 | if (nologo || logos_freed) |
accaa24c RD |
48 | return NULL; |
49 | ||
1da177e4 LT |
50 | if (depth >= 1) { |
51 | #ifdef CONFIG_LOGO_LINUX_MONO | |
52 | /* Generic Linux logo */ | |
53 | logo = &logo_linux_mono; | |
54 | #endif | |
55 | #ifdef CONFIG_LOGO_SUPERH_MONO | |
56 | /* SuperH Linux logo */ | |
57 | logo = &logo_superh_mono; | |
58 | #endif | |
59 | } | |
60 | ||
61 | if (depth >= 4) { | |
62 | #ifdef CONFIG_LOGO_LINUX_VGA16 | |
63 | /* Generic Linux logo */ | |
64 | logo = &logo_linux_vga16; | |
65 | #endif | |
122a881c RG |
66 | #ifdef CONFIG_LOGO_BLACKFIN_VGA16 |
67 | /* Blackfin processor logo */ | |
68 | logo = &logo_blackfin_vga16; | |
69 | #endif | |
1da177e4 LT |
70 | #ifdef CONFIG_LOGO_SUPERH_VGA16 |
71 | /* SuperH Linux logo */ | |
72 | logo = &logo_superh_vga16; | |
73 | #endif | |
74 | } | |
75 | ||
76 | if (depth >= 8) { | |
77 | #ifdef CONFIG_LOGO_LINUX_CLUT224 | |
78 | /* Generic Linux logo */ | |
79 | logo = &logo_linux_clut224; | |
80 | #endif | |
122a881c RG |
81 | #ifdef CONFIG_LOGO_BLACKFIN_CLUT224 |
82 | /* Blackfin Linux logo */ | |
83 | logo = &logo_blackfin_clut224; | |
84 | #endif | |
1da177e4 LT |
85 | #ifdef CONFIG_LOGO_DEC_CLUT224 |
86 | /* DEC Linux logo on MIPS/MIPS64 or ALPHA */ | |
41702d9a | 87 | logo = &logo_dec_clut224; |
1da177e4 LT |
88 | #endif |
89 | #ifdef CONFIG_LOGO_MAC_CLUT224 | |
90 | /* Macintosh Linux logo on m68k */ | |
91 | if (MACH_IS_MAC) | |
92 | logo = &logo_mac_clut224; | |
93 | #endif | |
94 | #ifdef CONFIG_LOGO_PARISC_CLUT224 | |
95 | /* PA-RISC Linux logo */ | |
96 | logo = &logo_parisc_clut224; | |
97 | #endif | |
98 | #ifdef CONFIG_LOGO_SGI_CLUT224 | |
c5f9ee3d | 99 | /* SGI Linux logo on MIPS/MIPS64 */ |
41702d9a | 100 | logo = &logo_sgi_clut224; |
1da177e4 LT |
101 | #endif |
102 | #ifdef CONFIG_LOGO_SUN_CLUT224 | |
103 | /* Sun Linux logo */ | |
104 | logo = &logo_sun_clut224; | |
105 | #endif | |
106 | #ifdef CONFIG_LOGO_SUPERH_CLUT224 | |
107 | /* SuperH Linux logo */ | |
108 | logo = &logo_superh_clut224; | |
316240f6 HT |
109 | #endif |
110 | #ifdef CONFIG_LOGO_M32R_CLUT224 | |
111 | /* M32R Linux logo */ | |
112 | logo = &logo_m32r_clut224; | |
1da177e4 LT |
113 | #endif |
114 | } | |
115 | return logo; | |
116 | } | |
117 | EXPORT_SYMBOL_GPL(fb_find_logo); |