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Steffen Trumtrar8714c0c2012-12-17 14:20:17 +01001/*
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 unsigned int dmt_flags; /* VESA DMT flags */
33 unsigned int data_flags; /* video data flags */
34};
35
36/**
37 * videomode_from_timing - convert display timing to videomode
38 * @disp: structure with all possible timing entries
39 * @vm: return value
40 * @index: index into the list of display timings in devicetree
41 *
42 * DESCRIPTION:
43 * This function converts a struct display_timing to a struct videomode.
44 */
45int videomode_from_timing(const struct display_timings *disp,
46 struct videomode *vm, unsigned int index);
47
48#endif