xref: /dragonfly/sys/dev/drm/include/linux/fb.h (revision 267c04fd)
1 /*
2  * Copyright (c) 2015 François Tigeot
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice unmodified, this list of conditions, and the following
10  *    disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef _LINUX_FB_H_
28 #define _LINUX_FB_H_
29 
30 #include <uapi_linux/fb.h>
31 
32 #include <linux/backlight.h>
33 
34 #define	KHZ2PICOS(a)	(1000000000UL/(a))
35 
36 struct fb_info {
37 	vm_offset_t vaddr;
38 	vm_paddr_t paddr;
39 	uint16_t width;
40 	uint16_t height;
41 	uint16_t stride;
42 	uint16_t depth;
43 	int is_vga_boot_display;
44 	void *cookie;
45 	void (*restore)(void *);
46 };
47 
48 extern int register_framebuffer(struct fb_info *fb_info);
49 
50 #endif	/* _LINUX_FB_H_ */
51