[linux.git] / include / video / videomode.h

/*
 * Copyright 2012 Steffen Trumtrar <[email protected]>
 *
 * generic videomode description
 *
 * This file is released under the GPLv2
 */

#ifndef __LINUX_VIDEOMODE_H
#define __LINUX_VIDEOMODE_H

#include <linux/types.h>
#include <video/display_timing.h>

/*
 * Subsystem independent description of a videomode.
 * Can be generated from struct display_timing.
 */
struct videomode {
	unsigned long pixelclock;	/* pixelclock in Hz */

	u32 hactive;
	u32 hfront_porch;
	u32 hback_porch;
	u32 hsync_len;

	u32 vactive;
	u32 vfront_porch;
	u32 vback_porch;
	u32 vsync_len;

	enum display_flags flags; /* display flags */
};

/**
 * videomode_from_timing - convert display timing to videomode
 * @dt: display_timing structure
 * @vm: return value
 *
 * DESCRIPTION:
 * This function converts a struct display_timing to a struct videomode.
 */
void videomode_from_timing(const struct display_timing *dt,
			  struct videomode *vm);

/**
 * videomode_from_timings - convert one display timings entry to videomode
 * @disp: structure with all possible timing entries
 * @vm: return value
 * @index: index into the list of display timings in devicetree
 *
 * DESCRIPTION:
 * This function converts one struct display_timing entry to a struct videomode.
 */
int videomode_from_timings(const struct display_timings *disp,
			  struct videomode *vm, unsigned int index);

#endif
Commit	Line	Data
8714c0ce ST	1	/*
	2	* Copyright 2012 Steffen Trumtrar <[email protected]>
	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	*/
	19	struct 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
32ed6ef1	32	enum display_flags flags; /* display flags */
8714c0ce ST	33	};
	34
	35	/**
	36	* videomode_from_timing - convert display timing to videomode
6cd2c7db TV	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	*/
	43	void 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
8714c0ce ST	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:
6cd2c7db	53	* This function converts one struct display_timing entry to a struct videomode.
8714c0ce	54	*/
6cd2c7db	55	int videomode_from_timings(const struct display_timings *disp,
8714c0ce ST	56	struct videomode *vm, unsigned int index);
	57
	58	#endif