mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-16 05:50:19 +00:00
0c3a14c177
Require that dma-sg also uses an allocation context. This is in preparation for adding prepare/finish memops to sync the memory between DMA and CPU. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Pawel Osciak <pawel@osciak.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
30 lines
790 B
C
30 lines
790 B
C
/*
|
|
* 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
|