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

/*
 * videobuf2-dma-coherent.h - DMA coherent memory allocator for videobuf2
 *
 * Copyright (C) 2010 Samsung Electronics
 *
 * Author: Pawel Osciak <pawel@osciak.com>
 *
 * 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_COHERENT_H
#define _MEDIA_VIDEOBUF2_DMA_COHERENT_H

#include <media/videobuf2-core.h>

static inline unsigned long vb2_dma_contig_plane_paddr(
		struct vb2_buffer *vb, unsigned int plane_no)
{
	return (unsigned long)vb2_plane_cookie(vb, plane_no);
}

void *vb2_dma_contig_init_ctx(struct device *dev);
void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);

extern const struct vb2_mem_ops vb2_dma_contig_memops;

#endif
Commit	Line	Data
1a758d4e PO	1	/*
	2	* videobuf2-dma-coherent.h - DMA coherent memory allocator for videobuf2
	3	*
	4	* Copyright (C) 2010 Samsung Electronics
	5	*
95072084	6	* Author: Pawel Osciak <pawel@osciak.com>
1a758d4e PO	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_COHERENT_H
	14	#define _MEDIA_VIDEOBUF2_DMA_COHERENT_H
	15
	16	#include <media/videobuf2-core.h>
	17
	18	static inline unsigned long vb2_dma_contig_plane_paddr(
	19	struct vb2_buffer *vb, unsigned int plane_no)
	20	{
	21	return (unsigned long)vb2_plane_cookie(vb, plane_no);
	22	}
	23
	24	void vb2_dma_contig_init_ctx(struct device dev);
	25	void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);
	26
	27	extern const struct vb2_mem_ops vb2_dma_contig_memops;
	28
	29	#endif