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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
24struct 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
33extern const struct linux_logo logo_linux_mono;
34extern const struct linux_logo logo_linux_vga16;
35extern const struct linux_logo logo_linux_clut224;
36extern const struct linux_logo logo_dec_clut224;
37extern const struct linux_logo logo_mac_clut224;
38extern const struct linux_logo logo_parisc_clut224;
39extern const struct linux_logo logo_sgi_clut224;
40extern const struct linux_logo logo_sun_clut224;
41extern const struct linux_logo logo_superh_mono;
42extern const struct linux_logo logo_superh_vga16;
43extern const struct linux_logo logo_superh_clut224;
44extern const struct linux_logo logo_spe_clut224;
45
46extern const struct linux_logo *fb_find_logo(int depth);
47#ifdef CONFIG_FB_LOGO_EXTRA
48extern void fb_append_extra_logo(const struct linux_logo *logo,
49 unsigned int n);
50#else
51static 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 */