Blame view

kernel/linux-imx6_3.14.28/drivers/video/logo/logo.c 2.34 KB
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
  
  /*
   *  Linux logo to be displayed on boot
   *
   *  Copyright (C) 1996 Larry Ewing (lewing@isc.tamu.edu)
   *  Copyright (C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
   *  Copyright (C) 2001 Greg Banks <gnb@alphalink.com.au>
   *  Copyright (C) 2001 Jan-Benedict Glaw <jbglaw@lug-owl.de>
   *  Copyright (C) 2003 Geert Uytterhoeven <geert@linux-m68k.org>
   */
  
  #include <linux/linux_logo.h>
  #include <linux/stddef.h>
  #include <linux/module.h>
  
  #ifdef CONFIG_M68K
  #include <asm/setup.h>
  #endif
  
  static bool nologo;
  module_param(nologo, bool, 0);
  MODULE_PARM_DESC(nologo, "Disables startup logo");
  
  /* logo's are marked __initdata. Use __init_refok to tell
   * modpost that it is intended that this function uses data
   * marked __initdata.
   */
  const struct linux_logo * __init_refok fb_find_logo(int depth)
  {
  	const struct linux_logo *logo = NULL;
  
  	if (nologo)
  		return NULL;
  
  	if (depth >= 1) {
  #ifdef CONFIG_LOGO_LINUX_MONO
  		/* Generic Linux logo */
  		logo = &logo_linux_mono;
  #endif
  #ifdef CONFIG_LOGO_SUPERH_MONO
  		/* SuperH Linux logo */
  		logo = &logo_superh_mono;
  #endif
  	}
  	
  	if (depth >= 4) {
  #ifdef CONFIG_LOGO_LINUX_VGA16
  		/* Generic Linux logo */
  		logo = &logo_linux_vga16;
  #endif
  #ifdef CONFIG_LOGO_BLACKFIN_VGA16
  		/* Blackfin processor logo */
  		logo = &logo_blackfin_vga16;
  #endif
  #ifdef CONFIG_LOGO_SUPERH_VGA16
  		/* SuperH Linux logo */
  		logo = &logo_superh_vga16;
  #endif
  	}
  	
  	if (depth >= 8) {
  #ifdef CONFIG_LOGO_LINUX_CLUT224
  		/* Generic Linux logo */
  		logo = &logo_linux_clut224;
  #endif
  #ifdef CONFIG_LOGO_BLACKFIN_CLUT224
  		/* Blackfin Linux logo */
  		logo = &logo_blackfin_clut224;
  #endif
  #ifdef CONFIG_LOGO_DEC_CLUT224
  		/* DEC Linux logo on MIPS/MIPS64 or ALPHA */
  		logo = &logo_dec_clut224;
  #endif
  #ifdef CONFIG_LOGO_MAC_CLUT224
  		/* Macintosh Linux logo on m68k */
  		if (MACH_IS_MAC)
  			logo = &logo_mac_clut224;
  #endif
  #ifdef CONFIG_LOGO_PARISC_CLUT224
  		/* PA-RISC Linux logo */
  		logo = &logo_parisc_clut224;
  #endif
  #ifdef CONFIG_LOGO_SGI_CLUT224
  		/* SGI Linux logo on MIPS/MIPS64 and VISWS */
  		logo = &logo_sgi_clut224;
  #endif
  #ifdef CONFIG_LOGO_SUN_CLUT224
  		/* Sun Linux logo */
  		logo = &logo_sun_clut224;
  #endif
  #ifdef CONFIG_LOGO_SUPERH_CLUT224
  		/* SuperH Linux logo */
  		logo = &logo_superh_clut224;
  #endif
  #ifdef CONFIG_LOGO_M32R_CLUT224
  		/* M32R Linux logo */
  		logo = &logo_m32r_clut224;
  #endif
  	}
  	return logo;
  }
  EXPORT_SYMBOL_GPL(fb_find_logo);