58 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>4 *5 * generic videomode description6 */7 8#ifndef __LINUX_VIDEOMODE_H9#define __LINUX_VIDEOMODE_H10 11#include <linux/types.h>12#include <video/display_timing.h>13 14/*15 * Subsystem independent description of a videomode.16 * Can be generated from struct display_timing.17 */18struct videomode {19 unsigned long pixelclock; /* pixelclock in Hz */20 21 u32 hactive;22 u32 hfront_porch;23 u32 hback_porch;24 u32 hsync_len;25 26 u32 vactive;27 u32 vfront_porch;28 u32 vback_porch;29 u32 vsync_len;30 31 enum display_flags flags; /* display flags */32};33 34/**35 * videomode_from_timing - convert display timing to videomode36 * @dt: display_timing structure37 * @vm: return value38 *39 * DESCRIPTION:40 * This function converts a struct display_timing to a struct videomode.41 */42void videomode_from_timing(const struct display_timing *dt,43 struct videomode *vm);44 45/**46 * videomode_from_timings - convert one display timings entry to videomode47 * @disp: structure with all possible timing entries48 * @vm: return value49 * @index: index into the list of display timings in devicetree50 *51 * DESCRIPTION:52 * This function converts one struct display_timing entry to a struct videomode.53 */54int videomode_from_timings(const struct display_timings *disp,55 struct videomode *vm, unsigned int index);56 57#endif58