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Diffstat (limited to 'kernel/include/media/videobuf2-dma-sg.h')
| -rw-r--r-- | kernel/include/media/videobuf2-dma-sg.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/kernel/include/media/videobuf2-dma-sg.h b/kernel/include/media/videobuf2-dma-sg.h new file mode 100644 index 000000000..14ce3068b --- /dev/null +++ b/kernel/include/media/videobuf2-dma-sg.h @@ -0,0 +1,29 @@ +/* + * 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 |