xref: /netbsd-src/sys/dev/fdt/display_timing.h (revision a319d981354fb3b19992225d60831cb4b4002029)
1 /* $NetBSD: display_timing.h,v 1.2 2020/12/11 09:40:28 skrll Exp $ */
2 
3 /*-
4  * Copyright (c) 2017 Jared McNeill <jmcneill@invisible.ca>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _DEV_FDT_DISPLAY_TIMING_H_
30 #define _DEV_FDT_DISPLAY_TIMING_H_
31 
32 struct display_timing {
33 	/* required */
34 	u_int		clock_freq;
35 	u_int		hactive;
36 	u_int		vactive;
37 	u_int		hfront_porch;
38 	u_int		hback_porch;
39 	u_int		hsync_len;
40 	u_int		vfront_porch;
41 	u_int		vback_porch;
42 	u_int		vsync_len;
43 };
44 
45 int	display_timing_parse(int, struct display_timing *);
46 
47 #endif /* _DEV_FDT_DISPLAY_TIMING_H_ */
48