xref: /netbsd-src/sys/external/bsd/drm2/include/linux/fb.h (revision f0a120a195c2d9c6511d5d7bd7bdaabdc0223e7a)
1 /*	$NetBSD: fb.h,v 1.7 2021/12/19 11:07:42 riastradh Exp $	*/
2 
3 /*-
4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Taylor R. Campbell.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _LINUX_FB_H_
33 #define _LINUX_FB_H_
34 
35 #include <linux/kgdb.h>
36 #include <linux/notifier.h>
37 #include <linux/init.h>
38 
39 #define	PICOS2KHZ(PICOS)	(1000000000ul / (PICOS))
40 #define	KHZ2PICOS(KHZ)		(1000000000ul / (KHZ))
41 
42 #define	FBINFO_STATE_RUNNING	0
43 #define	FBINFO_STATE_SUSPENDED	1
44 
45 static inline int
fb_get_options(const char * name,char ** options)46 fb_get_options(const char *name, char **options)
47 {
48 	return 0;
49 }
50 
51 #endif  /* _LINUX_FB_H_ */
52