include/linux/linux_logo.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_LINUX_LOGO_H
   3 #define _LINUX_LINUX_LOGO_H
   4
   5 /*
   6  *  Linux logo to be displayed on boot
   7  *
   8  *  Copyright (C) 1996 Larry Ewing (lewing@isc.tamu.edu)
   9  *  Copyright (C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
  10  *  Copyright (C) 2001 Greg Banks <gnb@alphalink.com.au>
  11  *  Copyright (C) 2001 Jan-Benedict Glaw <jbglaw@lug-owl.de>
  12  *  Copyright (C) 2003 Geert Uytterhoeven <geert@linux-m68k.org>
  13  */
  14
  15 #include <linux/init.h>
  16
  17
  18 #define LINUX_LOGO_MONO         1       /* monochrome black/white */
  19 #define LINUX_LOGO_VGA16        2       /* 16 colors VGA text palette */
  20 #define LINUX_LOGO_CLUT224      3       /* 224 colors */
  21 #define LINUX_LOGO_GRAY256      4       /* 256 levels grayscale */
  22
  23
  24 struct linux_logo {
  25         int type;                       /* one of LINUX_LOGO_* */
  26         unsigned int width;
  27         unsigned int height;
  28         unsigned int clutsize;          /* LINUX_LOGO_CLUT224 only */
  29         const unsigned char *clut;      /* LINUX_LOGO_CLUT224 only */
  30         const unsigned char *data;
  31 };
  32
  33 extern const struct linux_logo logo_linux_mono;
  34 extern const struct linux_logo logo_linux_vga16;
  35 extern const struct linux_logo logo_linux_clut224;
  36 extern const struct linux_logo logo_dec_clut224;
  37 extern const struct linux_logo logo_mac_clut224;
  38 extern const struct linux_logo logo_parisc_clut224;
  39 extern const struct linux_logo logo_sgi_clut224;
  40 extern const struct linux_logo logo_sun_clut224;
  41 extern const struct linux_logo logo_superh_mono;
  42 extern const struct linux_logo logo_superh_vga16;
  43 extern const struct linux_logo logo_superh_clut224;
  44 extern const struct linux_logo logo_spe_clut224;
  45
  46 extern const struct linux_logo *fb_find_logo(int depth);
  47 #ifdef CONFIG_FB_LOGO_EXTRA
  48 extern void fb_append_extra_logo(const struct linux_logo *logo,
  49                                  unsigned int n);
  50 #else
  51 static inline void fb_append_extra_logo(const struct linux_logo *logo,
  52                                         unsigned int n)
  53 {}
  54 #endif
  55
  56 #endif /* _LINUX_LINUX_LOGO_H */