[linux.git] / include / media / videobuf2-dma-sg.h

/*
 * videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2
 *
 * Copyright (C) 2010 Samsung Electronics
 *
 * Author: Andrzej Pietrasiewicz <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 */

#ifndef _MEDIA_VIDEOBUF2_DMA_SG_H
#define _MEDIA_VIDEOBUF2_DMA_SG_H

#include <media/videobuf2-v4l2.h>

static inline struct sg_table *vb2_dma_sg_plane_desc(
		struct vb2_buffer *vb, unsigned int plane_no)
{
	return (struct sg_table *)vb2_plane_cookie(vb, plane_no);
}

void *vb2_dma_sg_init_ctx(struct device *dev);
void vb2_dma_sg_cleanup_ctx(void *alloc_ctx);

extern const struct vb2_mem_ops vb2_dma_sg_memops;

#endif
Commit	Line	Data
5ba3f757 AP	1	/*
	2	* videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2
	3	*
	4	* Copyright (C) 2010 Samsung Electronics
	5	*
	6	* Author: Andrzej Pietrasiewicz <[email protected]>
	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
c139990e	16	#include <media/videobuf2-v4l2.h>
5ba3f757	17
22301247	18	static inline struct sg_table *vb2_dma_sg_plane_desc(
5ba3f757 AP	19	struct vb2_buffer *vb, unsigned int plane_no)
5ba3f757 AP	20	{
22301247	21	return (struct sg_table *)vb2_plane_cookie(vb, plane_no);
5ba3f757 AP	22	}
5ba3f757 AP	23
0c3a14c1 HV	24	void vb2_dma_sg_init_ctx(struct device dev);
	25	void vb2_dma_sg_cleanup_ctx(void *alloc_ctx);
	26
5ba3f757 AP	27	extern const struct vb2_mem_ops vb2_dma_sg_memops;
	28
	29	#endif