[linux-2.6-block.git] / include / media / v4l2-mediabus.h

/*
 * Media Bus API header
 *
 * Copyright (C) 2009, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef V4L2_MEDIABUS_H
#define V4L2_MEDIABUS_H

#include <linux/v4l2-mediabus.h>

/* Parallel flags */
/*
 * Can the client run in master or in slave mode. By "Master mode" an operation
 * mode is meant, when the client (e.g., a camera sensor) is producing
 * horizontal and vertical synchronisation. In "Slave mode" the host is
 * providing these signals to the slave.
 */
#define V4L2_MBUS_MASTER			(1 << 0)
#define V4L2_MBUS_SLAVE				(1 << 1)
/*
 * Signal polarity flags
 * Note: in BT.656 mode HSYNC, FIELD, and VSYNC are unused
 * V4L2_MBUS_[HV]SYNC* flags should be also used for specifying
 * configuration of hardware that uses [HV]REF signals
 */
#define V4L2_MBUS_HSYNC_ACTIVE_HIGH		(1 << 2)
#define V4L2_MBUS_HSYNC_ACTIVE_LOW		(1 << 3)
#define V4L2_MBUS_VSYNC_ACTIVE_HIGH		(1 << 4)
#define V4L2_MBUS_VSYNC_ACTIVE_LOW		(1 << 5)
#define V4L2_MBUS_PCLK_SAMPLE_RISING		(1 << 6)
#define V4L2_MBUS_PCLK_SAMPLE_FALLING		(1 << 7)
#define V4L2_MBUS_DATA_ACTIVE_HIGH		(1 << 8)
#define V4L2_MBUS_DATA_ACTIVE_LOW		(1 << 9)
/* FIELD = 0/1 - Field1 (odd)/Field2 (even) */
#define V4L2_MBUS_FIELD_EVEN_HIGH		(1 << 10)
/* FIELD = 1/0 - Field1 (odd)/Field2 (even) */
#define V4L2_MBUS_FIELD_EVEN_LOW		(1 << 11)

/* Serial flags */
/* How many lanes the client can use */
#define V4L2_MBUS_CSI2_1_LANE			(1 << 0)
#define V4L2_MBUS_CSI2_2_LANE			(1 << 1)
#define V4L2_MBUS_CSI2_3_LANE			(1 << 2)
#define V4L2_MBUS_CSI2_4_LANE			(1 << 3)
/* On which channels it can send video data */
#define V4L2_MBUS_CSI2_CHANNEL_0		(1 << 4)
#define V4L2_MBUS_CSI2_CHANNEL_1		(1 << 5)
#define V4L2_MBUS_CSI2_CHANNEL_2		(1 << 6)
#define V4L2_MBUS_CSI2_CHANNEL_3		(1 << 7)
/* Does it support only continuous or also non-continuous clock mode */
#define V4L2_MBUS_CSI2_CONTINUOUS_CLOCK		(1 << 8)
#define V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK	(1 << 9)

#define V4L2_MBUS_CSI2_LANES		(V4L2_MBUS_CSI2_1_LANE | V4L2_MBUS_CSI2_2_LANE | \
					 V4L2_MBUS_CSI2_3_LANE | V4L2_MBUS_CSI2_4_LANE)
#define V4L2_MBUS_CSI2_CHANNELS		(V4L2_MBUS_CSI2_CHANNEL_0 | V4L2_MBUS_CSI2_CHANNEL_1 | \
					 V4L2_MBUS_CSI2_CHANNEL_2 | V4L2_MBUS_CSI2_CHANNEL_3)

/**
 * v4l2_mbus_type - media bus type
 * @V4L2_MBUS_PARALLEL:	parallel interface with hsync and vsync
 * @V4L2_MBUS_BT656:	parallel interface with embedded synchronisation, can
 *			also be used for BT.1120
 * @V4L2_MBUS_CSI2:	MIPI CSI-2 serial interface
 */
enum v4l2_mbus_type {
	V4L2_MBUS_PARALLEL,
	V4L2_MBUS_BT656,
	V4L2_MBUS_CSI2,
};

/**
 * v4l2_mbus_config - media bus configuration
 * @type:	in: interface type
 * @flags:	in / out: configuration flags, depending on @type
 */
struct v4l2_mbus_config {
	enum v4l2_mbus_type type;
	unsigned int flags;
};

static inline void v4l2_fill_pix_format(struct v4l2_pix_format *pix_fmt,
				const struct v4l2_mbus_framefmt *mbus_fmt)
{
	pix_fmt->width = mbus_fmt->width;
	pix_fmt->height = mbus_fmt->height;
	pix_fmt->field = mbus_fmt->field;
	pix_fmt->colorspace = mbus_fmt->colorspace;
}

static inline void v4l2_fill_mbus_format(struct v4l2_mbus_framefmt *mbus_fmt,
			   const struct v4l2_pix_format *pix_fmt,
			   enum v4l2_mbus_pixelcode code)
{
	mbus_fmt->width = pix_fmt->width;
	mbus_fmt->height = pix_fmt->height;
	mbus_fmt->field = pix_fmt->field;
	mbus_fmt->colorspace = pix_fmt->colorspace;
	mbus_fmt->code = code;
}

#endif
Commit	Line	Data
9a74251d GL	1	/*
	2	* Media Bus API header
	3	*
	4	* Copyright (C) 2009, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*/
	10
	11	#ifndef V4L2_MEDIABUS_H
	12	#define V4L2_MEDIABUS_H
	13
2ef2d5a3	14	#include <linux/v4l2-mediabus.h>
9a74251d	15
91c79530 GL	16	/* Parallel flags */
	17	/*
	18	* Can the client run in master or in slave mode. By "Master mode" an operation
	19	* mode is meant, when the client (e.g., a camera sensor) is producing
	20	* horizontal and vertical synchronisation. In "Slave mode" the host is
	21	* providing these signals to the slave.
	22	*/
	23	#define V4L2_MBUS_MASTER (1 << 0)
	24	#define V4L2_MBUS_SLAVE (1 << 1)
3c6938f8 SN	25	/*
	26	* Signal polarity flags
	27	* Note: in BT.656 mode HSYNC, FIELD, and VSYNC are unused
	28	* V4L2_MBUS_[HV]SYNC* flags should be also used for specifying
	29	* configuration of hardware that uses [HV]REF signals
	30	*/
91c79530 GL	31	#define V4L2_MBUS_HSYNC_ACTIVE_HIGH (1 << 2)
	32	#define V4L2_MBUS_HSYNC_ACTIVE_LOW (1 << 3)
	33	#define V4L2_MBUS_VSYNC_ACTIVE_HIGH (1 << 4)
	34	#define V4L2_MBUS_VSYNC_ACTIVE_LOW (1 << 5)
	35	#define V4L2_MBUS_PCLK_SAMPLE_RISING (1 << 6)
	36	#define V4L2_MBUS_PCLK_SAMPLE_FALLING (1 << 7)
	37	#define V4L2_MBUS_DATA_ACTIVE_HIGH (1 << 8)
	38	#define V4L2_MBUS_DATA_ACTIVE_LOW (1 << 9)
3c6938f8 SN	39	/* FIELD = 0/1 - Field1 (odd)/Field2 (even) */
	40	#define V4L2_MBUS_FIELD_EVEN_HIGH (1 << 10)
	41	/* FIELD = 1/0 - Field1 (odd)/Field2 (even) */
	42	#define V4L2_MBUS_FIELD_EVEN_LOW (1 << 11)
91c79530 GL	43
	44	/* Serial flags */
	45	/* How many lanes the client can use */
	46	#define V4L2_MBUS_CSI2_1_LANE (1 << 0)
	47	#define V4L2_MBUS_CSI2_2_LANE (1 << 1)
	48	#define V4L2_MBUS_CSI2_3_LANE (1 << 2)
	49	#define V4L2_MBUS_CSI2_4_LANE (1 << 3)
	50	/* On which channels it can send video data */
	51	#define V4L2_MBUS_CSI2_CHANNEL_0 (1 << 4)
	52	#define V4L2_MBUS_CSI2_CHANNEL_1 (1 << 5)
	53	#define V4L2_MBUS_CSI2_CHANNEL_2 (1 << 6)
	54	#define V4L2_MBUS_CSI2_CHANNEL_3 (1 << 7)
	55	/* Does it support only continuous or also non-continuous clock mode */
	56	#define V4L2_MBUS_CSI2_CONTINUOUS_CLOCK (1 << 8)
	57	#define V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK (1 << 9)
	58
	59	#define V4L2_MBUS_CSI2_LANES (V4L2_MBUS_CSI2_1_LANE \| V4L2_MBUS_CSI2_2_LANE \| \
	60	V4L2_MBUS_CSI2_3_LANE \| V4L2_MBUS_CSI2_4_LANE)
	61	#define V4L2_MBUS_CSI2_CHANNELS (V4L2_MBUS_CSI2_CHANNEL_0 \| V4L2_MBUS_CSI2_CHANNEL_1 \| \
	62	V4L2_MBUS_CSI2_CHANNEL_2 \| V4L2_MBUS_CSI2_CHANNEL_3)
	63
	64	/**
	65	* v4l2_mbus_type - media bus type
	66	* @V4L2_MBUS_PARALLEL: parallel interface with hsync and vsync
	67	* @V4L2_MBUS_BT656: parallel interface with embedded synchronisation, can
	68	* also be used for BT.1120
	69	* @V4L2_MBUS_CSI2: MIPI CSI-2 serial interface
	70	*/
	71	enum v4l2_mbus_type {
	72	V4L2_MBUS_PARALLEL,
	73	V4L2_MBUS_BT656,
	74	V4L2_MBUS_CSI2,
	75	};
	76
	77	/**
	78	* v4l2_mbus_config - media bus configuration
	79	* @type: in: interface type
	80	* @flags: in / out: configuration flags, depending on @type
	81	*/
	82	struct v4l2_mbus_config {
	83	enum v4l2_mbus_type type;
	84	unsigned int flags;
	85	};
	86
3a21ceed HV	87	static inline void v4l2_fill_pix_format(struct v4l2_pix_format *pix_fmt,
	88	const struct v4l2_mbus_framefmt *mbus_fmt)
	89	{
	90	pix_fmt->width = mbus_fmt->width;
	91	pix_fmt->height = mbus_fmt->height;
	92	pix_fmt->field = mbus_fmt->field;
	93	pix_fmt->colorspace = mbus_fmt->colorspace;
	94	}
	95
	96	static inline void v4l2_fill_mbus_format(struct v4l2_mbus_framefmt *mbus_fmt,
	97	const struct v4l2_pix_format *pix_fmt,
	98	enum v4l2_mbus_pixelcode code)
	99	{
	100	mbus_fmt->width = pix_fmt->width;
	101	mbus_fmt->height = pix_fmt->height;
	102	mbus_fmt->field = pix_fmt->field;
	103	mbus_fmt->colorspace = pix_fmt->colorspace;
	104	mbus_fmt->code = code;
	105	}
	106
9a74251d	107	#endif