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
  15 #ifdef CONFIG_M68K
  16 #include <asm/setup.h>
  17 #endif
  18
  19 #ifdef CONFIG_MIPS
  20 #include <asm/bootinfo.h>
  21 #endif
  22
  23 extern const struct linux_logo logo_linux_mono;
  24 extern const struct linux_logo logo_linux_vga16;
  25 extern const struct linux_logo logo_linux_clut224;
  26 extern const struct linux_logo logo_dec_clut224;
  27 extern const struct linux_logo logo_mac_clut224;
  28 extern const struct linux_logo logo_parisc_clut224;
  29 extern const struct linux_logo logo_sgi_clut224;
  30 extern const struct linux_logo logo_sun_clut224;
  31 extern const struct linux_logo logo_superh_mono;
  32 extern const struct linux_logo logo_superh_vga16;
  33 extern const struct linux_logo logo_superh_clut224;
  34
  35
  36 const struct linux_logo *fb_find_logo(int depth)
  37 {
  38         const struct linux_logo *logo = 0;
  39
  40         if (depth >= 1) {
  41 #ifdef CONFIG_LOGO_LINUX_MONO
  42                 /* Generic Linux logo */
  43                 logo = &logo_linux_mono;
  44 #endif
  45 #ifdef CONFIG_LOGO_SUPERH_MONO
  46                 /* SuperH Linux logo */
  47                 logo = &logo_superh_mono;
  48 #endif
  49         }
  50
  51         if (depth >= 4) {
  52 #ifdef CONFIG_LOGO_LINUX_VGA16
  53                 /* Generic Linux logo */
  54                 logo = &logo_linux_vga16;
  55 #endif
  56 #ifdef CONFIG_LOGO_SUPERH_VGA16
  57                 /* SuperH Linux logo */
  58                 logo = &logo_superh_vga16;
  59 #endif
  60         }
  61
  62         if (depth >= 8) {
  63 #ifdef CONFIG_LOGO_LINUX_CLUT224
  64                 /* Generic Linux logo */
  65                 logo = &logo_linux_clut224;
  66 #endif
  67 #ifdef CONFIG_LOGO_DEC_CLUT224
  68                 /* DEC Linux logo on MIPS/MIPS64 */
  69                 if (mips_machgroup == MACH_GROUP_DEC)
  70                         logo = &logo_dec_clut224;
  71 #endif
  72 #ifdef CONFIG_LOGO_MAC_CLUT224
  73                 /* Macintosh Linux logo on m68k */
  74                 if (MACH_IS_MAC)
  75                         logo = &logo_mac_clut224;
  76 #endif
  77 #ifdef CONFIG_LOGO_PARISC_CLUT224
  78                 /* PA-RISC Linux logo */
  79                 logo = &logo_parisc_clut224;
  80 #endif
  81 #ifdef CONFIG_LOGO_SGI_CLUT224
  82                 /* SGI Linux logo on MIPS/MIPS64 and VISWS */
  83 #ifndef CONFIG_X86_VISWS
  84                 if (mips_machgroup == MACH_GROUP_SGI)
  85 #endif
  86                         logo = &logo_sgi_clut224;
  87 #endif
  88 #ifdef CONFIG_LOGO_SUN_CLUT224
  89                 /* Sun Linux logo */
  90                 logo = &logo_sun_clut224;
  91 #endif
  92 #ifdef CONFIG_LOGO_SUPERH_CLUT224
  93                 /* SuperH Linux logo */
  94                 logo = &logo_superh_clut224;
  95 #endif
  96         }
  97         return logo;
  98 }
  99