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1 | /* |
2 | * videobuf2-dma-coherent.h - DMA coherent memory allocator for videobuf2 | |
3 | * | |
4 | * Copyright (C) 2010 Samsung Electronics | |
5 | * | |
6 | * Author: Pawel Osciak <p.osciak@samsung.com> | |
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 |