blob: 2087c9a68be3dab07b4355c8f230e5cb34feeb92 [file] [log] [blame]
* videobuf2-dma-contig.h - DMA contig memory allocator for videobuf2
* Copyright (C) 2010 Samsung Electronics
* Author: Pawel Osciak <>
* 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.
#include <media/videobuf2-v4l2.h>
#include <linux/dma-mapping.h>
struct dma_attrs;
static inline dma_addr_t
vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)
dma_addr_t *addr = vb2_plane_cookie(vb, plane_no);
return *addr;
void *vb2_dma_contig_init_ctx_attrs(struct device *dev,
struct dma_attrs *attrs);
static inline void *vb2_dma_contig_init_ctx(struct device *dev)
return vb2_dma_contig_init_ctx_attrs(dev, NULL);
void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);
extern const struct vb2_mem_ops vb2_dma_contig_memops;