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Andrzej Pietrasiewicz5ba3f752010-11-29 11:53:34 -03001/*
2 * videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2
3 *
4 * Copyright (C) 2010 Samsung Electronics
5 *
6 * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation.
11 */
12
13#ifndef _MEDIA_VIDEOBUF2_DMA_SG_H
14#define _MEDIA_VIDEOBUF2_DMA_SG_H
15
Junghak Sungc1399902015-09-22 10:30:29 -030016#include <media/videobuf2-v4l2.h>
Andrzej Pietrasiewicz5ba3f752010-11-29 11:53:34 -030017
Ricardo Ribalda22301242013-08-02 10:20:00 -030018static inline struct sg_table *vb2_dma_sg_plane_desc(
Andrzej Pietrasiewicz5ba3f752010-11-29 11:53:34 -030019 struct vb2_buffer *vb, unsigned int plane_no)
20{
Ricardo Ribalda22301242013-08-02 10:20:00 -030021 return (struct sg_table *)vb2_plane_cookie(vb, plane_no);
Andrzej Pietrasiewicz5ba3f752010-11-29 11:53:34 -030022}
23
Hans Verkuil0c3a14c2014-11-18 09:51:01 -030024void *vb2_dma_sg_init_ctx(struct device *dev);
25void vb2_dma_sg_cleanup_ctx(void *alloc_ctx);
26
Andrzej Pietrasiewicz5ba3f752010-11-29 11:53:34 -030027extern const struct vb2_mem_ops vb2_dma_sg_memops;
28
29#endif