projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1a758d4e PO |
1 | /* |
| 2 | * videobuf2-dma-coherent.h - DMA coherent memory allocator for videobuf2 | |
| 3 | * | |
| 4 | * Copyright (C) 2010 Samsung Electronics | |
| 5 | * | |
| 95072084 | 6 | * Author: Pawel Osciak <pawel@osciak.com> |
| 1a758d4e PO |
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> | |
| 472af2b0 | 17 | #include <linux/dma-mapping.h> |
| 1a758d4e | 18 | |
| 472af2b0 PO |
19 | static inline dma_addr_t |
| 20 | vb2_dma_contig_plane_paddr(struct vb2_buffer *vb, unsigned int plane_no) | |
| 1a758d4e | 21 | { |
| 472af2b0 PO |
22 | dma_addr_t *paddr = vb2_plane_cookie(vb, plane_no); |
| 23 | ||
| 24 | return *paddr; | |
| 1a758d4e PO |
25 | } |
| 26 | ||
| 27 | void *vb2_dma_contig_init_ctx(struct device *dev); | |
| 28 | void vb2_dma_contig_cleanup_ctx(void *alloc_ctx); | |
| 29 | ||
| 30 | extern const struct vb2_mem_ops vb2_dma_contig_memops; | |
| 31 | ||
| 32 | #endif |