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_dec_clut224;
40 extern const struct linux_logo logo_mac_clut224;
41 extern const struct linux_logo logo_parisc_clut224;
42 extern const struct linux_logo logo_sgi_clut224;
43 extern const struct linux_logo logo_sun_clut224;
44 extern const struct linux_logo logo_superh_mono;
45 extern const struct linux_logo logo_superh_vga16;
46 extern const struct linux_logo logo_superh_clut224;
47 extern const struct linux_logo logo_spe_clut224;
48 
49 extern const struct linux_logo *fb_find_logo(int depth);
50 #ifdef CONFIG_FB_LOGO_EXTRA
51 extern void fb_append_extra_logo(const struct linux_logo *logo,
52 				 unsigned int n);
53 #else
fb_append_extra_logo(const struct linux_logo * logo,unsigned int n)54 static 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