1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 2010 Samsung Electronics 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or modify 9*4882a593Smuzhiyun * it under the terms of the GNU General Public License as published by 10*4882a593Smuzhiyun * the Free Software Foundation. 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #ifndef _MEDIA_VIDEOBUF2_DMA_SG_H 14*4882a593Smuzhiyun #define _MEDIA_VIDEOBUF2_DMA_SG_H 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #include <media/videobuf2-v4l2.h> 17*4882a593Smuzhiyun vb2_dma_sg_plane_desc(struct vb2_buffer * vb,unsigned int plane_no)18*4882a593Smuzhiyunstatic inline struct sg_table *vb2_dma_sg_plane_desc( 19*4882a593Smuzhiyun struct vb2_buffer *vb, unsigned int plane_no) 20*4882a593Smuzhiyun { 21*4882a593Smuzhiyun return (struct sg_table *)vb2_plane_cookie(vb, plane_no); 22*4882a593Smuzhiyun } 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun extern const struct vb2_mem_ops vb2_dma_sg_memops; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #endif 27