tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
20static bool nologo;
21module_param(nologo, bool, 0);
22MODULE_PARM_DESC(nologo, "Disables startup logo");
23
24/* logo's are marked __initdata. Use __init_refok to tell
25 * modpost that it is intended that this function uses data
26 * marked __initdata.
27 */
28const struct linux_logo * __init_refok fb_find_logo(int depth)
29{
30 const struct linux_logo *logo = NULL;
31
32 if (nologo)
33 return NULL;
34
35 if (depth >= 1) {
36#ifdef CONFIG_LOGO_LINUX_MONO
37 /* Generic Linux logo */
38 logo = &logo_linux_mono;
39#endif
40#ifdef CONFIG_LOGO_SUPERH_MONO
41 /* SuperH Linux logo */
42 logo = &logo_superh_mono;
43#endif
44 }
45
46 if (depth >= 4) {
47#ifdef CONFIG_LOGO_LINUX_VGA16
48 /* Generic Linux logo */
49 logo = &logo_linux_vga16;
50#endif
51#ifdef CONFIG_LOGO_BLACKFIN_VGA16
52 /* Blackfin processor logo */
53 logo = &logo_blackfin_vga16;
54#endif
55#ifdef CONFIG_LOGO_SUPERH_VGA16
56 /* SuperH Linux logo */
57 logo = &logo_superh_vga16;
58#endif
59 }
60
61 if (depth >= 8) {
62#ifdef CONFIG_LOGO_LINUX_CLUT224
63 /* Generic Linux logo */
64 logo = &logo_linux_clut224;
65#endif
66#ifdef CONFIG_LOGO_BLACKFIN_CLUT224
67 /* Blackfin Linux logo */
68 logo = &logo_blackfin_clut224;
69#endif
70#ifdef CONFIG_LOGO_DEC_CLUT224
71 /* DEC Linux logo on MIPS/MIPS64 or ALPHA */
72 logo = &logo_dec_clut224;
73#endif
74#ifdef CONFIG_LOGO_MAC_CLUT224
75 /* Macintosh Linux logo on m68k */
76 if (MACH_IS_MAC)
77 logo = &logo_mac_clut224;
78#endif
79#ifdef CONFIG_LOGO_PARISC_CLUT224
80 /* PA-RISC Linux logo */
81 logo = &logo_parisc_clut224;
82#endif
83#ifdef CONFIG_LOGO_SGI_CLUT224
84 /* SGI Linux logo on MIPS/MIPS64 */
85 logo = &logo_sgi_clut224;
86#endif
87#ifdef CONFIG_LOGO_SUN_CLUT224
88 /* Sun Linux logo */
89 logo = &logo_sun_clut224;
90#endif
91#ifdef CONFIG_LOGO_SUPERH_CLUT224
92 /* SuperH Linux logo */
93 logo = &logo_superh_clut224;
94#endif
95#ifdef CONFIG_LOGO_M32R_CLUT224
96 /* M32R Linux logo */
97 logo = &logo_m32r_clut224;
98#endif
99 }
100 return logo;
101}
102EXPORT_SYMBOL_GPL(fb_find_logo);