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57 lines
1.3 KiB
57 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright 2012 Steffen Trumtrar <[email protected]> |
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* |
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* generic videomode description |
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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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