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59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
/*
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* Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>
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*
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* generic videomode description
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*
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* This file is released under the GPLv2
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*/
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#ifndef __LINUX_VIDEOMODE_H
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#define __LINUX_VIDEOMODE_H
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#include <linux/types.h>
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#include <video/display_timing.h>
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/*
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* Subsystem independent description of a videomode.
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* Can be generated from struct display_timing.
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*/
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struct videomode {
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unsigned long pixelclock; /* pixelclock in Hz */
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u32 hactive;
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u32 hfront_porch;
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u32 hback_porch;
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u32 hsync_len;
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u32 vactive;
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u32 vfront_porch;
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u32 vback_porch;
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u32 vsync_len;
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enum display_flags flags; /* display flags */
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};
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/**
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* videomode_from_timing - convert display timing to videomode
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* @dt: display_timing structure
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* @vm: return value
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*
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* DESCRIPTION:
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* This function converts a struct display_timing to a struct videomode.
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*/
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void videomode_from_timing(const struct display_timing *dt,
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struct videomode *vm);
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/**
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* videomode_from_timings - convert one display timings entry to videomode
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* @disp: structure with all possible timing entries
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* @vm: return value
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* @index: index into the list of display timings in devicetree
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*
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* DESCRIPTION:
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* This function converts one struct display_timing entry to a struct videomode.
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*/
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int videomode_from_timings(const struct display_timings *disp,
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struct videomode *vm, unsigned int index);
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#endif
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