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Release 4.12 drivers/staging/vc04_services/bcm2835-camera/mmal-common.h

/*
 * Broadcom BM2835 V4L2 driver
 *
 * Copyright © 2013 Raspberry Pi (Trading) Ltd.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive
 * for more details.
 *
 * Authors: Vincent Sanders <vincent.sanders@collabora.co.uk>
 *          Dave Stevenson <dsteve@broadcom.com>
 *          Simon Mellor <simellor@broadcom.com>
 *          Luke Diamand <luked@broadcom.com>
 *
 * MMAL structures
 *
 */


#define MMAL_FOURCC(a, b, c, d) ((a) | (b << 8) | (c << 16) | (d << 24))

#define MMAL_MAGIC MMAL_FOURCC('m', 'm', 'a', 'l')

/** Special value signalling that time is not known */

#define MMAL_TIME_UNKNOWN (1LL<<63)

/* mapping between v4l and mmal video modes */

struct mmal_fmt {
	
char  *name;
	
u32   fourcc;          /* v4l2 format id */
	
int   flags;           /* v4l2 flags field */
	
u32   mmal;
	
int   depth;
	
u32   mmal_component;  /* MMAL component index to be used to encode */
	
u32   ybbp;            /* depth of first Y plane for planar formats */
};

/* buffer for one video frame */

struct mmal_buffer {
	/* v4l buffer data -- must be first */
	
struct vb2_v4l2_buffer	vb;

	/* list of buffers available */
	
struct list_head	list;

	
void *buffer; /* buffer pointer */
	
unsigned long buffer_size; /* size of allocated buffer */
};

/* */

struct mmal_colourfx {
	
s32 enable;
	
u32 u;
	
u32 v;
};

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