drivers/video/logo/logo.c

   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/config.h>
  13 #include <linux/linux_logo.h>
  14 #include <linux/stddef.h>
  15 #include <linux/module.h>
  16
  17 #ifdef CONFIG_M68K
  18 #include <asm/setup.h>
  19 #endif
  20
  21 #ifdef CONFIG_MIPS
  22 #include <asm/bootinfo.h>
  23 #endif
  24
  25 extern const struct linux_logo logo_linux_mono;
  26 extern const struct linux_logo logo_linux_vga16;
  27 extern const struct linux_logo logo_linux_clut224;
  28 extern const struct linux_logo logo_dec_clut224;
  29 extern const struct linux_logo logo_mac_clut224;
  30 extern const struct linux_logo logo_parisc_clut224;
  31 extern const struct linux_logo logo_sgi_clut224;
  32 extern const struct linux_logo logo_sun_clut224;
  33 extern const struct linux_logo logo_superh_mono;
  34 extern const struct linux_logo logo_superh_vga16;
  35 extern const struct linux_logo logo_superh_clut224;
  36 extern const struct linux_logo logo_m32r_clut224;
  37
  38
  39 const struct linux_logo *fb_find_logo(int depth)
  40 {
  41         const struct linux_logo *logo = NULL;
  42
  43         if (depth >= 1) {
  44 #ifdef CONFIG_LOGO_LINUX_MONO
  45                 /* Generic Linux logo */
  46                 logo = &logo_linux_mono;
  47 #endif
  48 #ifdef CONFIG_LOGO_SUPERH_MONO
  49                 /* SuperH Linux logo */
  50                 logo = &logo_superh_mono;
  51 #endif
  52         }
  53
  54         if (depth >= 4) {
  55 #ifdef CONFIG_LOGO_LINUX_VGA16
  56                 /* Generic Linux logo */
  57                 logo = &logo_linux_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_DEC_CLUT224
  71                 /* DEC Linux logo on MIPS/MIPS64 or ALPHA */
  72 #ifndef CONFIG_ALPHA
  73                 if (mips_machgroup == MACH_GROUP_DEC)
  74 #endif
  75                         logo = &logo_dec_clut224;
  76 #endif
  77 #ifdef CONFIG_LOGO_MAC_CLUT224
  78                 /* Macintosh Linux logo on m68k */
  79                 if (MACH_IS_MAC)
  80                         logo = &logo_mac_clut224;
  81 #endif
  82 #ifdef CONFIG_LOGO_PARISC_CLUT224
  83                 /* PA-RISC Linux logo */
  84                 logo = &logo_parisc_clut224;
  85 #endif
  86 #ifdef CONFIG_LOGO_SGI_CLUT224
  87                 /* SGI Linux logo on MIPS/MIPS64 and VISWS */
  88 #ifndef CONFIG_X86_VISWS
  89                 if (mips_machgroup == MACH_GROUP_SGI)
  90 #endif
  91                         logo = &logo_sgi_clut224;
  92 #endif
  93 #ifdef CONFIG_LOGO_SUN_CLUT224
  94                 /* Sun Linux logo */
  95                 logo = &logo_sun_clut224;
  96 #endif
  97 #ifdef CONFIG_LOGO_SUPERH_CLUT224
  98                 /* SuperH Linux logo */
  99                 logo = &logo_superh_clut224;
 100 #endif
 101 #ifdef CONFIG_LOGO_M32R_CLUT224
 102                 /* M32R Linux logo */
 103                 logo = &logo_m32r_clut224;
 104 #endif
 105         }
 106         return logo;
 107 }
 108 EXPORT_SYMBOL_GPL(fb_find_logo);