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authorHans Verkuil <hans.verkuil@cisco.com>2014-11-18 15:51:01 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-11-25 13:55:32 +0300
commit0c3a14c177aa85afb991e7c2be3921aa9a52a893 (patch)
treede833b66ee640393292bc404e16c8f43a49ae89c /include/media
parente5ae8fa739f8a1d5c292c5b13fa33ac64166e5a0 (diff)
downloadlinux-0c3a14c177aa85afb991e7c2be3921aa9a52a893.tar.xz
[media] vb2-dma-sg: add allocation context to dma-sg
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>
Diffstat (limited to 'include/media')
-rw-r--r--include/media/videobuf2-dma-sg.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/media/videobuf2-dma-sg.h b/include/media/videobuf2-dma-sg.h
index 7b89852779af..14ce3068b642 100644
--- a/include/media/videobuf2-dma-sg.h
+++ b/include/media/videobuf2-dma-sg.h
@@ -21,6 +21,9 @@ static inline struct sg_table *vb2_dma_sg_plane_desc(
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