/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Broadcom BM2835 V4L2 driver
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*
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* Copyright © 2013 Raspberry Pi (Trading) Ltd.
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*
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* Authors: Vincent Sanders @ Collabora
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* Dave Stevenson @ Broadcom
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* (now dave.stevenson@raspberrypi.org)
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* Simon Mellor @ Broadcom
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* Luke Diamand @ Broadcom
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*
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* MMAL structures
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*
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*/
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#ifndef MMAL_COMMON_H
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#define MMAL_COMMON_H
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#define MMAL_FOURCC(a, b, c, d) ((a) | (b << 8) | (c << 16) | (d << 24))
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#define MMAL_MAGIC MMAL_FOURCC('m', 'm', 'a', 'l')
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/** Special value signalling that time is not known */
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#define MMAL_TIME_UNKNOWN BIT_ULL(63)
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struct mmal_msg_context;
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/* mapping between v4l and mmal video modes */
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struct mmal_fmt {
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u32 fourcc; /* v4l2 format id */
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int flags; /* v4l2 flags field */
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u32 mmal;
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int depth;
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u32 mmal_component; /* MMAL component index to be used to encode */
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u32 ybbp; /* depth of first Y plane for planar formats */
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bool remove_padding; /* Does the GPU have to remove padding,
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* or can we do hide padding via bytesperline.
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*/
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};
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/* buffer for one video frame */
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struct mmal_buffer {
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/* v4l buffer data -- must be first */
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struct vb2_v4l2_buffer vb;
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/* list of buffers available */
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struct list_head list;
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void *buffer; /* buffer pointer */
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unsigned long buffer_size; /* size of allocated buffer */
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struct mmal_msg_context *msg_context;
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unsigned long length;
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u32 mmal_flags;
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s64 dts;
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s64 pts;
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};
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/* */
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struct mmal_colourfx {
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s32 enable;
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u32 u;
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u32 v;
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};
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#endif
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