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
24extern const struct linux_logo logo_linux_mono;
25extern const struct linux_logo logo_linux_vga16;
26extern const struct linux_logo logo_linux_clut224;
27extern const struct linux_logo logo_dec_clut224;
28extern const struct linux_logo logo_mac_clut224;
29extern const struct linux_logo logo_parisc_clut224;
30extern const struct linux_logo logo_sgi_clut224;
31extern const struct linux_logo logo_sun_clut224;
32extern const struct linux_logo logo_superh_mono;
33extern const struct linux_logo logo_superh_vga16;
34extern const struct linux_logo logo_superh_clut224;
35extern const struct linux_logo logo_m32r_clut224;
36
37
38const struct linux_logo *fb_find_logo(int depth)
39{
40	const struct linux_logo *logo = NULL;
41
42	if (depth >= 1) {
43#ifdef CONFIG_LOGO_LINUX_MONO
44		/* Generic Linux logo */
45		logo = &logo_linux_mono;
46#endif
47#ifdef CONFIG_LOGO_SUPERH_MONO
48		/* SuperH Linux logo */
49		logo = &logo_superh_mono;
50#endif
51	}
52
53	if (depth >= 4) {
54#ifdef CONFIG_LOGO_LINUX_VGA16
55		/* Generic Linux logo */
56		logo = &logo_linux_vga16;
57#endif
58#ifdef CONFIG_LOGO_SUPERH_VGA16
59		/* SuperH Linux logo */
60		logo = &logo_superh_vga16;
61#endif
62	}
63
64	if (depth >= 8) {
65#ifdef CONFIG_LOGO_LINUX_CLUT224
66		/* Generic Linux logo */
67		logo = &logo_linux_clut224;
68#endif
69#ifdef CONFIG_LOGO_DEC_CLUT224
70		/* DEC Linux logo on MIPS/MIPS64 or ALPHA */
71#ifndef CONFIG_ALPHA
72		if (mips_machgroup == MACH_GROUP_DEC)
73#endif
74			logo = &logo_dec_clut224;
75#endif
76#ifdef CONFIG_LOGO_MAC_CLUT224
77		/* Macintosh Linux logo on m68k */
78		if (MACH_IS_MAC)
79			logo = &logo_mac_clut224;
80#endif
81#ifdef CONFIG_LOGO_PARISC_CLUT224
82		/* PA-RISC Linux logo */
83		logo = &logo_parisc_clut224;
84#endif
85#ifdef CONFIG_LOGO_SGI_CLUT224
86		/* SGI Linux logo on MIPS/MIPS64 and VISWS */
87#ifndef CONFIG_X86_VISWS
88		if (mips_machgroup == MACH_GROUP_SGI)
89#endif
90			logo = &logo_sgi_clut224;
91#endif
92#ifdef CONFIG_LOGO_SUN_CLUT224
93		/* Sun Linux logo */
94		logo = &logo_sun_clut224;
95#endif
96#ifdef CONFIG_LOGO_SUPERH_CLUT224
97		/* SuperH Linux logo */
98		logo = &logo_superh_clut224;
99#endif
100#ifdef CONFIG_LOGO_M32R_CLUT224
101		/* M32R Linux logo */
102		logo = &logo_m32r_clut224;
103#endif
104	}
105	return logo;
106}
107EXPORT_SYMBOL_GPL(fb_find_logo);
108