| 1 | /* |
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| 2 | * videobuf2-dma-contig.h - DMA contig memory allocator for videobuf2 |
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| 3 | * |
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| 4 | * Copyright (C) 2010 Samsung Electronics |
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| 5 | * |
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| 6 | * Author: Pawel Osciak <pawel@osciak.com> |
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| 7 | * |
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| 8 | * This program is free software; you can redistribute it and/or modify |
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| 9 | * it under the terms of the GNU General Public License as published by |
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| 10 | * the Free Software Foundation. |
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| 11 | */ |
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| 12 | |
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| 13 | #ifndef _MEDIA_VIDEOBUF2_DMA_CONTIG_H |
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| 14 | #define _MEDIA_VIDEOBUF2_DMA_CONTIG_H |
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| 15 | |
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| 16 | #include <media/videobuf2-v4l2.h> |
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| 17 | #include <linux/dma-mapping.h> |
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| 18 | |
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| 19 | static inline dma_addr_t |
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| 20 | vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no) |
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| 21 | { |
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| 22 | dma_addr_t *addr = vb2_plane_cookie(vb, plane_no); |
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| 23 | |
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| 24 | return *addr; |
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| 25 | } |
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| 26 | |
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| 27 | int vb2_dma_contig_set_max_seg_size(struct device *dev, unsigned int size); |
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| 28 | static inline void vb2_dma_contig_clear_max_seg_size(struct device *dev) { } |
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| 29 | |
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| 30 | extern const struct vb2_mem_ops vb2_dma_contig_memops; |
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| 31 | |
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| 32 | #endif |
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| 33 | |
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