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Release 4.16 include/media/v4l2-mediabus.h

Directory: include/media
/*
 * 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>
#include <linux/bitops.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			BIT(0)

#define V4L2_MBUS_SLAVE				BIT(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		BIT(2)

#define V4L2_MBUS_HSYNC_ACTIVE_LOW		BIT(3)

#define V4L2_MBUS_VSYNC_ACTIVE_HIGH		BIT(4)

#define V4L2_MBUS_VSYNC_ACTIVE_LOW		BIT(5)

#define V4L2_MBUS_PCLK_SAMPLE_RISING		BIT(6)

#define V4L2_MBUS_PCLK_SAMPLE_FALLING		BIT(7)

#define V4L2_MBUS_DATA_ACTIVE_HIGH		BIT(8)

#define V4L2_MBUS_DATA_ACTIVE_LOW		BIT(9)
/* FIELD = 0/1 - Field1 (odd)/Field2 (even) */

#define V4L2_MBUS_FIELD_EVEN_HIGH		BIT(10)
/* FIELD = 1/0 - Field1 (odd)/Field2 (even) */

#define V4L2_MBUS_FIELD_EVEN_LOW		BIT(11)
/* Active state of Sync-on-green (SoG) signal, 0/1 for LOW/HIGH respectively. */

#define V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH		BIT(12)

#define V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW		BIT(13)

/* Serial flags */
/* How many lanes the client can use */

#define V4L2_MBUS_CSI2_1_LANE			BIT(0)

#define V4L2_MBUS_CSI2_2_LANE			BIT(1)

#define V4L2_MBUS_CSI2_3_LANE			BIT(2)

#define V4L2_MBUS_CSI2_4_LANE			BIT(3)
/* On which channels it can send video data */

#define V4L2_MBUS_CSI2_CHANNEL_0		BIT(4)

#define V4L2_MBUS_CSI2_CHANNEL_1		BIT(5)

#define V4L2_MBUS_CSI2_CHANNEL_2		BIT(6)

#define V4L2_MBUS_CSI2_CHANNEL_3		BIT(7)
/* Does it support only continuous or also non-continuous clock mode */

#define V4L2_MBUS_CSI2_CONTINUOUS_CLOCK		BIT(8)

#define V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK	BIT(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)

/**
 * enum 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_CSI1:     MIPI CSI-1 serial interface
 * @V4L2_MBUS_CCP2:     CCP2 (Compact Camera Port 2)
 * @V4L2_MBUS_CSI2:     MIPI CSI-2 serial interface
 */

enum v4l2_mbus_type {
	
V4L2_MBUS_PARALLEL,
	
V4L2_MBUS_BT656,
	
V4L2_MBUS_CSI1,
	
V4L2_MBUS_CCP2,
	
V4L2_MBUS_CSI2,
};

/**
 * struct 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;
};

/**
 * v4l2_fill_pix_format - Ancillary routine that fills a &struct
 *      v4l2_pix_format fields from a &struct v4l2_mbus_framefmt.
 *
 * @pix_fmt:    pointer to &struct v4l2_pix_format to be filled
 * @mbus_fmt:   pointer to &struct v4l2_mbus_framefmt to be used as model
 */

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; pix_fmt->ycbcr_enc = mbus_fmt->ycbcr_enc; pix_fmt->quantization = mbus_fmt->quantization; pix_fmt->xfer_func = mbus_fmt->xfer_func; }

Contributors

PersonTokensPropCommitsCommitProp
Hans Verkuil74100.00%3100.00%
Total74100.00%3100.00%

/** * v4l2_fill_pix_format - Ancillary routine that fills a &struct * v4l2_mbus_framefmt from a &struct v4l2_pix_format and a * data format code. * * @mbus_fmt: pointer to &struct v4l2_mbus_framefmt to be filled * @pix_fmt: pointer to &struct v4l2_pix_format to be used as model * @code: data format code (from &enum v4l2_mbus_pixelcode) */
static inline void v4l2_fill_mbus_format(struct v4l2_mbus_framefmt *mbus_fmt, const struct v4l2_pix_format *pix_fmt, u32 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->ycbcr_enc = pix_fmt->ycbcr_enc; mbus_fmt->quantization = pix_fmt->quantization; mbus_fmt->xfer_func = pix_fmt->xfer_func; mbus_fmt->code = code; }

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PersonTokensPropCommitsCommitProp
Hans Verkuil8298.80%375.00%
Boris Brezillon11.20%125.00%
Total83100.00%4100.00%

/** * v4l2_fill_pix_format - Ancillary routine that fills a &struct * v4l2_pix_format_mplane fields from a media bus structure. * * @pix_mp_fmt: pointer to &struct v4l2_pix_format_mplane to be filled * @mbus_fmt: pointer to &struct v4l2_mbus_framefmt to be used as model */
static inline void v4l2_fill_pix_format_mplane( struct v4l2_pix_format_mplane *pix_mp_fmt, const struct v4l2_mbus_framefmt *mbus_fmt) { pix_mp_fmt->width = mbus_fmt->width; pix_mp_fmt->height = mbus_fmt->height; pix_mp_fmt->field = mbus_fmt->field; pix_mp_fmt->colorspace = mbus_fmt->colorspace; pix_mp_fmt->ycbcr_enc = mbus_fmt->ycbcr_enc; pix_mp_fmt->quantization = mbus_fmt->quantization; pix_mp_fmt->xfer_func = mbus_fmt->xfer_func; }

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PersonTokensPropCommitsCommitProp
Todor Tomov74100.00%1100.00%
Total74100.00%1100.00%

/** * v4l2_fill_pix_format - Ancillary routine that fills a &struct * v4l2_mbus_framefmt from a &struct v4l2_pix_format_mplane. * * @mbus_fmt: pointer to &struct v4l2_mbus_framefmt to be filled * @pix_mp_fmt: pointer to &struct v4l2_pix_format_mplane to be used as model */
static inline void v4l2_fill_mbus_format_mplane( struct v4l2_mbus_framefmt *mbus_fmt, const struct v4l2_pix_format_mplane *pix_mp_fmt) { mbus_fmt->width = pix_mp_fmt->width; mbus_fmt->height = pix_mp_fmt->height; mbus_fmt->field = pix_mp_fmt->field; mbus_fmt->colorspace = pix_mp_fmt->colorspace; mbus_fmt->ycbcr_enc = pix_mp_fmt->ycbcr_enc; mbus_fmt->quantization = pix_mp_fmt->quantization; mbus_fmt->xfer_func = pix_mp_fmt->xfer_func; }

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PersonTokensPropCommitsCommitProp
Todor Tomov74100.00%1100.00%
Total74100.00%1100.00%

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Hans Verkuil15633.40%321.43%
Todor Tomov14831.69%17.14%
Guennadi Liakhovetski10622.70%214.29%
Mauro Carvalho Chehab326.85%321.43%
Sylwester Nawrocki91.93%17.14%
Lad Prabhakar71.50%17.14%
Sakari Ailus51.07%17.14%
Laurent Pinchart30.64%17.14%
Boris Brezillon10.21%17.14%
Total467100.00%14100.00%
Directory: include/media
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