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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/drivers/video/logo/
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
24static int nologo;
25module_param(nologo, bool, 0);
26MODULE_PARM_DESC(nologo, "Disables startup logo");
27
28/* logo's are marked __initdata. Use __init_refok to tell
29 * modpost that it is intended that this function uses data
30 * marked __initdata.
31 */
32const struct linux_logo * __init_refok fb_find_logo(int depth)
33{
34	const struct linux_logo *logo = NULL;
35
36	if (nologo)
37		return NULL;
38
39	if (depth >= 1) {
40#ifdef CONFIG_LOGO_LINUX_MONO
41		/* Generic Linux logo */
42		logo = &logo_linux_mono;
43#endif
44#ifdef CONFIG_LOGO_SUPERH_MONO
45		/* SuperH Linux logo */
46		logo = &logo_superh_mono;
47#endif
48	}
49
50	if (depth >= 4) {
51#ifdef CONFIG_LOGO_LINUX_VGA16
52		/* Generic Linux logo */
53		logo = &logo_linux_vga16;
54#endif
55#ifdef CONFIG_LOGO_BLACKFIN_VGA16
56		/* Blackfin processor logo */
57		logo = &logo_blackfin_vga16;
58#endif
59#ifdef CONFIG_LOGO_SUPERH_VGA16
60		/* SuperH Linux logo */
61		logo = &logo_superh_vga16;
62#endif
63	}
64
65	if (depth >= 8) {
66#ifdef CONFIG_LOGO_LINUX_CLUT224
67		/* Generic Linux logo */
68		logo = &logo_linux_clut224;
69#endif
70#ifdef CONFIG_LOGO_BLACKFIN_CLUT224
71		/* Blackfin Linux logo */
72		logo = &logo_blackfin_clut224;
73#endif
74#ifdef CONFIG_LOGO_DEC_CLUT224
75		/* DEC Linux logo on MIPS/MIPS64 or ALPHA */
76		logo = &logo_dec_clut224;
77#endif
78#ifdef CONFIG_LOGO_MAC_CLUT224
79		/* Macintosh Linux logo on m68k */
80		if (MACH_IS_MAC)
81			logo = &logo_mac_clut224;
82#endif
83#ifdef CONFIG_LOGO_PARISC_CLUT224
84		/* PA-RISC Linux logo */
85		logo = &logo_parisc_clut224;
86#endif
87#ifdef CONFIG_LOGO_SGI_CLUT224
88		/* SGI Linux logo on MIPS/MIPS64 and VISWS */
89		logo = &logo_sgi_clut224;
90#endif
91#ifdef CONFIG_LOGO_SUN_CLUT224
92		/* Sun Linux logo */
93		logo = &logo_sun_clut224;
94#endif
95#ifdef CONFIG_LOGO_SUPERH_CLUT224
96		/* SuperH Linux logo */
97		logo = &logo_superh_clut224;
98#endif
99#ifdef CONFIG_LOGO_M32R_CLUT224
100		/* M32R Linux logo */
101		logo = &logo_m32r_clut224;
102#endif
103	}
104	return logo;
105}
106EXPORT_SYMBOL_GPL(fb_find_logo);
107