summaryrefslogtreecommitdiff
path: root/include/video/videomode.h
blob: a42156234dd4e2f8a6563c39f60c31546ddc893a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/*
 * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>
 *
 * generic videomode description
 *
 * This file is released under the GPLv2
 */

#ifndef __LINUX_VIDEOMODE_H
#define __LINUX_VIDEOMODE_H

#include <linux/types.h>
#include <video/display_timing.h>

/*
 * Subsystem independent description of a videomode.
 * Can be generated from struct display_timing.
 */
struct videomode {
	unsigned long pixelclock;	/* pixelclock in Hz */

	u32 hactive;
	u32 hfront_porch;
	u32 hback_porch;
	u32 hsync_len;

	u32 vactive;
	u32 vfront_porch;
	u32 vback_porch;
	u32 vsync_len;

	unsigned int dmt_flags;	/* VESA DMT flags */
	unsigned int data_flags; /* video data flags */
};

/**
 * videomode_from_timing - convert display timing to videomode
 * @disp: structure with all possible timing entries
 * @vm: return value
 * @index: index into the list of display timings in devicetree
 *
 * DESCRIPTION:
 * This function converts a struct display_timing to a struct videomode.
 */
int videomode_from_timing(const struct display_timings *disp,
			  struct videomode *vm, unsigned int index);

#endif