| 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 | |
| Ricardo Ribalda | 2230124 | 2013-08-02 10:20:00 -0300 | [diff] [blame] | 18 | static inline struct sg_table *vb2_dma_sg_plane_desc( |
| Andrzej Pietrasiewicz | 5ba3f75 | 2010-11-29 11:53:34 -0300 | [diff] [blame] | 19 | struct vb2_buffer *vb, unsigned int plane_no) |
| 20 | { |
| Ricardo Ribalda | 2230124 | 2013-08-02 10:20:00 -0300 | [diff] [blame] | 21 | return (struct sg_table *)vb2_plane_cookie(vb, plane_no); |
| Andrzej Pietrasiewicz | 5ba3f75 | 2010-11-29 11:53:34 -0300 | [diff] [blame] | 22 | } |
| 23 | |
| Hans Verkuil | 0c3a14c | 2014-11-18 09:51:01 -0300 | [diff] [blame] | 24 | void *vb2_dma_sg_init_ctx(struct device *dev); |
| 25 | void vb2_dma_sg_cleanup_ctx(void *alloc_ctx); |
| 26 | |
| Andrzej Pietrasiewicz | 5ba3f75 | 2010-11-29 11:53:34 -0300 | [diff] [blame] | 27 | extern const struct vb2_mem_ops vb2_dma_sg_memops; |
| 28 | |
| 29 | #endif |