LXR linux/include/linux/linux

   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
  27struct 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
  36extern const struct linux_logo logo_linux_mono;
  37extern const struct linux_logo logo_linux_vga16;
  38extern const struct linux_logo logo_linux_clut224;
  39extern const struct linux_logo logo_dec_clut224;
  40extern const struct linux_logo logo_mac_clut224;
  41extern const struct linux_logo logo_parisc_clut224;
  42extern const struct linux_logo logo_sgi_clut224;
  43extern const struct linux_logo logo_sun_clut224;
  44extern const struct linux_logo logo_superh_mono;
  45extern const struct linux_logo logo_superh_vga16;
  46extern const struct linux_logo logo_superh_clut224;
  47extern const struct linux_logo logo_spe_clut224;
  48
  49extern const struct linux_logo *fb_find_logo(int depth);
  50#ifdef CONFIG_FB_LOGO_EXTRA
  51extern void fb_append_extra_logo(const struct linux_logo *logo,
  52                                 unsigned int n);
  53#else
  54static inline void fb_append_extra_logo(const struct linux_logo *logo,
  55                                        unsigned int n)
  56{}
  57#endif
  58
  59#endif /* _LINUX_LINUX_LOGO_H */
  60