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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Broadcom BM2835 V4L2 driver
*
* Copyright © 2013 Raspberry Pi (Trading) Ltd.
*
* Authors: Vincent Sanders @ Collabora
* Dave Stevenson @ Broadcom
* (now dave.stevenson@raspberrypi.org)
* Simon Mellor @ Broadcom
* Luke Diamand @ Broadcom
*
* MMAL structures
*
*/
#ifndef MMAL_COMMON_H
#define MMAL_COMMON_H
#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 BIT_ULL(63)
struct mmal_msg_context;
/* 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 */
bool remove_padding; /* Does the GPU have to remove padding,
* or can we do hide padding via bytesperline.
*/
};
/* 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_msg_context *msg_context;
};
/* */
struct mmal_colourfx {
s32 enable;
u32 u;
u32 v;
};
#endif
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