/* * 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> static inline struct sg_table *vb2_dma_sg_plane_desc( struct vb2_buffer *vb, unsigned int plane_no) { return (struct sg_table *)vb2_plane_cookie(vb, plane_no); } void *vb2_dma_sg_init_ctx(struct device *dev); void vb2_dma_sg_cleanup_ctx(void *alloc_ctx); extern const struct vb2_mem_ops vb2_dma_sg_memops; #endif