|  | /* | 
|  | * videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2 | 
|  | * | 
|  | * Copyright (C) 2010 Samsung Electronics | 
|  | * | 
|  | * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License as published by | 
|  | * the Free Software Foundation. | 
|  | */ | 
|  |  | 
|  | #ifndef _MEDIA_VIDEOBUF2_DMA_SG_H | 
|  | #define _MEDIA_VIDEOBUF2_DMA_SG_H | 
|  |  | 
|  | #include <media/videobuf2-core.h> | 
|  |  | 
|  | struct vb2_dma_sg_desc { | 
|  | unsigned long		size; | 
|  | unsigned int		num_pages; | 
|  | struct scatterlist	*sglist; | 
|  | }; | 
|  |  | 
|  | static inline struct vb2_dma_sg_desc *vb2_dma_sg_plane_desc( | 
|  | struct vb2_buffer *vb, unsigned int plane_no) | 
|  | { | 
|  | return (struct vb2_dma_sg_desc *)vb2_plane_cookie(vb, plane_no); | 
|  | } | 
|  |  | 
|  | extern const struct vb2_mem_ops vb2_dma_sg_memops; | 
|  |  | 
|  | #endif |