1 /* 1 /* 2 * videobuf2-dma-sg.h - DMA scatter/gather mem 2 * videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2 3 * 3 * 4 * Copyright (C) 2010 Samsung Electronics 4 * Copyright (C) 2010 Samsung Electronics 5 * 5 * 6 * Author: Andrzej Pietrasiewicz <andrzejtp201 6 * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> 7 * 7 * 8 * This program is free software; you can redi 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Publi 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation. 10 * the Free Software Foundation. 11 */ 11 */ 12 12 13 #ifndef _MEDIA_VIDEOBUF2_DMA_SG_H 13 #ifndef _MEDIA_VIDEOBUF2_DMA_SG_H 14 #define _MEDIA_VIDEOBUF2_DMA_SG_H 14 #define _MEDIA_VIDEOBUF2_DMA_SG_H 15 15 16 #include <media/videobuf2-v4l2.h> 16 #include <media/videobuf2-v4l2.h> 17 17 18 static inline struct sg_table *vb2_dma_sg_plan 18 static inline struct sg_table *vb2_dma_sg_plane_desc( 19 struct vb2_buffer *vb, unsigne 19 struct vb2_buffer *vb, unsigned int plane_no) 20 { 20 { 21 return (struct sg_table *)vb2_plane_co 21 return (struct sg_table *)vb2_plane_cookie(vb, plane_no); 22 } 22 } 23 23 24 extern const struct vb2_mem_ops vb2_dma_sg_mem 24 extern const struct vb2_mem_ops vb2_dma_sg_memops; 25 25 26 #endif 26 #endif 27 27
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