2010-10-11 13:59:36 +00:00
|
|
|
/*
|
2012-06-07 08:42:24 +00:00
|
|
|
* videobuf2-dma-contig.h - DMA contig memory allocator for videobuf2
|
2010-10-11 13:59:36 +00:00
|
|
|
*
|
|
|
|
|
* Copyright (C) 2010 Samsung Electronics
|
|
|
|
|
*
|
2011-03-13 18:23:32 +00:00
|
|
|
* Author: Pawel Osciak <pawel@osciak.com>
|
2010-10-11 13:59:36 +00:00
|
|
|
*
|
|
|
|
|
* 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.
|
|
|
|
|
*/
|
|
|
|
|
|
2012-06-07 08:42:24 +00:00
|
|
|
#ifndef _MEDIA_VIDEOBUF2_DMA_CONTIG_H
|
|
|
|
|
#define _MEDIA_VIDEOBUF2_DMA_CONTIG_H
|
2010-10-11 13:59:36 +00:00
|
|
|
|
2015-09-22 13:30:29 +00:00
|
|
|
#include <media/videobuf2-v4l2.h>
|
2011-03-14 13:38:24 +00:00
|
|
|
#include <linux/dma-mapping.h>
|
2010-10-11 13:59:36 +00:00
|
|
|
|
2011-03-14 13:38:24 +00:00
|
|
|
static inline dma_addr_t
|
2011-08-29 06:20:56 +00:00
|
|
|
vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)
|
2010-10-11 13:59:36 +00:00
|
|
|
{
|
2011-08-29 06:20:56 +00:00
|
|
|
dma_addr_t *addr = vb2_plane_cookie(vb, plane_no);
|
2011-03-14 13:38:24 +00:00
|
|
|
|
2011-08-29 06:20:56 +00:00
|
|
|
return *addr;
|
2010-10-11 13:59:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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
|
