| Andrzej Pietrasiewicz | 5ba3f75 | 2010-11-29 11:53:34 -0300 | [diff] [blame] | 1 | /* |
| 2 | * videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2 |
| 3 | * |
| 4 | * Copyright (C) 2010 Samsung Electronics |
| 5 | * |
| 6 | * Author: Andrzej Pietrasiewicz <andrzej.p@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_SG_H |
| 14 | #define _MEDIA_VIDEOBUF2_DMA_SG_H |
| 15 | |
| 16 | #include <media/videobuf2-core.h> |
| 17 | |
| 18 | struct vb2_dma_sg_desc { |
| 19 | unsigned long size; |
| 20 | unsigned int num_pages; |
| 21 | struct scatterlist *sglist; |
| 22 | }; |
| 23 | |
| 24 | static inline struct vb2_dma_sg_desc *vb2_dma_sg_plane_desc( |
| 25 | struct vb2_buffer *vb, unsigned int plane_no) |
| 26 | { |
| 27 | return (struct vb2_dma_sg_desc *)vb2_plane_cookie(vb, plane_no); |
| 28 | } |
| 29 | |
| 30 | extern const struct vb2_mem_ops vb2_dma_sg_memops; |
| 31 | |
| 32 | #endif |