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- /*
- * videobuf2-dma-contig.h - DMA contig 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_CONTIG_H
- #define _MEDIA_VIDEOBUF2_DMA_CONTIG_H
- #include <media/videobuf2-v4l2.h>
- #include <linux/dma-mapping.h>
- 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(struct device *dev);
- void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);
- extern const struct vb2_mem_ops vb2_dma_contig_memops;
- #endif
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