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
  16 #ifdef CONFIG_M68K
  17 #include <asm/setup.h>
  18 #endif
  19
  20 #ifdef CONFIG_MIPS
  21 #include <asm/bootinfo.h>
  22 #endif
  23
  24 extern const struct linux_logo logo_linux_mono;
  25 extern const struct linux_logo logo_linux_vga16;
  26 extern const struct linux_logo logo_linux_clut224;
  27 extern const struct linux_logo logo_dec_clut224;
  28 extern const struct linux_logo logo_mac_clut224;
  29 extern const struct linux_logo logo_parisc_clut224;
  30 extern const struct linux_logo logo_sgi_clut224;
  31 extern const struct linux_logo logo_sun_clut224;
  32 extern const struct linux_logo logo_superh_mono;
  33 extern const struct linux_logo logo_superh_vga16;
  34 extern const struct linux_logo logo_superh_clut224;
  35
  36
  37 const struct linux_logo *fb_find_logo(int depth)
  38 {
  39         const struct linux_logo *logo = NULL;
  40
  41         if (depth >= 1) {
  42 #ifdef CONFIG_LOGO_LINUX_MONO
  43                 /* Generic Linux logo */
  44                 logo = &logo_linux_mono;
  45 #endif
  46 #ifdef CONFIG_LOGO_SUPERH_MONO
  47                 /* SuperH Linux logo */
  48                 logo = &logo_superh_mono;
  49 #endif
  50         }
  51
  52         if (depth >= 4) {
  53 #ifdef CONFIG_LOGO_LINUX_VGA16
  54                 /* Generic Linux logo */
  55                 logo = &logo_linux_vga16;
  56 #endif
  57 #ifdef CONFIG_LOGO_SUPERH_VGA16
  58                 /* SuperH Linux logo */
  59                 logo = &logo_superh_vga16;
  60 #endif
  61         }
  62
  63         if (depth >= 8) {
  64 #ifdef CONFIG_LOGO_LINUX_CLUT224
  65                 /* Generic Linux logo */
  66                 logo = &logo_linux_clut224;
  67 #endif
  68 #ifdef CONFIG_LOGO_DEC_CLUT224
  69                 /* DEC Linux logo on MIPS/MIPS64 */
  70                 if (mips_machgroup == MACH_GROUP_DEC)
  71                         logo = &logo_dec_clut224;
  72 #endif
  73 #ifdef CONFIG_LOGO_MAC_CLUT224
  74                 /* Macintosh Linux logo on m68k */
  75                 if (MACH_IS_MAC)
  76                         logo = &logo_mac_clut224;
  77 #endif
  78 #ifdef CONFIG_LOGO_PARISC_CLUT224
  79                 /* PA-RISC Linux logo */
  80                 logo = &logo_parisc_clut224;
  81 #endif
  82 #ifdef CONFIG_LOGO_SGI_CLUT224
  83                 /* SGI Linux logo on MIPS/MIPS64 and VISWS */
  84 #ifndef CONFIG_X86_VISWS
  85                 if (mips_machgroup == MACH_GROUP_SGI)
  86 #endif
  87                         logo = &logo_sgi_clut224;
  88 #endif
  89 #ifdef CONFIG_LOGO_SUN_CLUT224
  90                 /* Sun Linux logo */
  91                 logo = &logo_sun_clut224;
  92 #endif
  93 #ifdef CONFIG_LOGO_SUPERH_CLUT224
  94                 /* SuperH Linux logo */
  95                 logo = &logo_superh_clut224;
  96 #endif
  97         }
  98         return logo;
  99 }
 100