1/*
2 * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>
3 *
4 * generic videomode description
5 *
6 * This file is released under the GPLv2
7 */
8
9#ifndef __LINUX_VIDEOMODE_H
10#define __LINUX_VIDEOMODE_H
11
12#include <linux/types.h>
13#include <video/display_timing.h>
14
15/*
16 * Subsystem independent description of a videomode.
17 * Can be generated from struct display_timing.
18 */
19struct videomode {
20 unsigned long pixelclock; /* pixelclock in Hz */
21
22 u32 hactive;
23 u32 hfront_porch;
24 u32 hback_porch;
25 u32 hsync_len;
26
27 u32 vactive;
28 u32 vfront_porch;
29 u32 vback_porch;
30 u32 vsync_len;
31
32 enum display_flags flags; /* display flags */
33};
34
35/**
36 * videomode_from_timing - convert display timing to videomode
37 * @dt: display_timing structure
38 * @vm: return value
39 *
40 * DESCRIPTION:
41 * This function converts a struct display_timing to a struct videomode.
42 */
43void videomode_from_timing(const struct display_timing *dt,
44 struct videomode *vm);
45
46/**
47 * videomode_from_timings - convert one display timings entry to videomode
48 * @disp: structure with all possible timing entries
49 * @vm: return value
50 * @index: index into the list of display timings in devicetree
51 *
52 * DESCRIPTION:
53 * This function converts one struct display_timing entry to a struct videomode.
54 */
55int videomode_from_timings(const struct display_timings *disp,
56 struct videomode *vm, unsigned int index);
57
58#endif
59