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  *  Serial_console ascii image can be any size,
  15  *  but should contain %s to display the version
  16  */
  17
  18 #include <linux/init.h>
  19
  20
  21 #define LINUX_LOGO_MONO         1       /* monochrome black/white */
  22 #define LINUX_LOGO_VGA16        2       /* 16 colors VGA text palette */
  23 #define LINUX_LOGO_CLUT224      3       /* 224 colors */
  24 #define LINUX_LOGO_GRAY256      4       /* 256 levels grayscale */
  25
  26
  27 struct linux_logo {
  28         int type;                       /* one of LINUX_LOGO_* */
  29         unsigned int width;
  30         unsigned int height;
  31         unsigned int clutsize;          /* LINUX_LOGO_CLUT224 only */
  32         const unsigned char *clut;      /* LINUX_LOGO_CLUT224 only */
  33         const unsigned char *data;
  34 };
  35
  36 extern const struct linux_logo logo_linux_mono;
  37 extern const struct linux_logo logo_linux_vga16;
  38 extern const struct linux_logo logo_linux_clut224;
  39 extern const struct linux_logo logo_blackfin_vga16;
  40 extern const struct linux_logo logo_blackfin_clut224;
  41 extern const struct linux_logo logo_dec_clut224;
  42 extern const struct linux_logo logo_mac_clut224;
  43 extern const struct linux_logo logo_parisc_clut224;
  44 extern const struct linux_logo logo_sgi_clut224;
  45 extern const struct linux_logo logo_sun_clut224;
  46 extern const struct linux_logo logo_superh_mono;
  47 extern const struct linux_logo logo_superh_vga16;
  48 extern const struct linux_logo logo_superh_clut224;
  49 extern const struct linux_logo logo_m32r_clut224;
  50 extern const struct linux_logo logo_spe_clut224;
  51
  52 extern const struct linux_logo *fb_find_logo(int depth);
  53 #ifdef CONFIG_FB_LOGO_EXTRA
  54 extern void fb_append_extra_logo(const struct linux_logo *logo,
  55                                  unsigned int n);
  56 #else
  57 static inline void fb_append_extra_logo(const struct linux_logo *logo,
  58                                         unsigned int n)
  59 {}
  60 #endif
  61
  62 #endif /* _LINUX_LINUX_LOGO_H */