diff options
Diffstat (limited to 'include/media/videobuf-dma-sg.h')
| -rw-r--r-- | include/media/videobuf-dma-sg.h | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/include/media/videobuf-dma-sg.h b/include/media/videobuf-dma-sg.h index 53e72f78717..a195f3b9c00 100644 --- a/include/media/videobuf-dma-sg.h +++ b/include/media/videobuf-dma-sg.h @@ -17,6 +17,8 @@ * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 */ +#ifndef _VIDEOBUF_DMA_SG_H +#define _VIDEOBUF_DMA_SG_H #include <media/videobuf-core.h> @@ -27,14 +29,14 @@ * block (NULL on errors). Memory for the scatterlist is allocated * using kmalloc. The caller must free the memory. */ -struct scatterlist* videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages); +struct scatterlist *videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages); /* * Return a scatterlist for a an array of userpages (NULL on errors). * Memory for the scatterlist is allocated using kmalloc. The caller * must free the memory. */ -struct scatterlist* videobuf_pages_to_sg(struct page **pages, int nr_pages, +struct scatterlist *videobuf_pages_to_sg(struct page **pages, int nr_pages, int offset); /* --------------------------------------------------------------------- */ @@ -78,8 +80,7 @@ struct videobuf_dmabuf { int direction; }; -struct videobuf_dma_sg_memory -{ +struct videobuf_dma_sg_memory { u32 magic; /* for mmap'ed buffers */ @@ -95,14 +96,13 @@ int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction, dma_addr_t addr, int nr_pages); int videobuf_dma_free(struct videobuf_dmabuf *dma); -int videobuf_dma_map(struct videobuf_queue* q,struct videobuf_dmabuf *dma); -int videobuf_dma_sync(struct videobuf_queue* q,struct videobuf_dmabuf *dma); -int videobuf_dma_unmap(struct videobuf_queue* q,struct videobuf_dmabuf *dma); -struct videobuf_dmabuf *videobuf_to_dma (struct videobuf_buffer *buf); +int videobuf_dma_map(struct videobuf_queue *q, struct videobuf_dmabuf *dma); +int videobuf_dma_unmap(struct videobuf_queue *q, struct videobuf_dmabuf *dma); +struct videobuf_dmabuf *videobuf_to_dma(struct videobuf_buffer *buf); void *videobuf_sg_alloc(size_t size); -void videobuf_queue_sg_init(struct videobuf_queue* q, +void videobuf_queue_sg_init(struct videobuf_queue *q, const struct videobuf_queue_ops *ops, struct device *dev, spinlock_t *irqlock, @@ -111,9 +111,11 @@ void videobuf_queue_sg_init(struct videobuf_queue* q, unsigned int msize, void *priv); - /*FIXME: these variants are used only on *-alsa code, where videobuf is - * used without queue - */ +/*FIXME: these variants are used only on *-alsa code, where videobuf is + * used without queue + */ int videobuf_sg_dma_map(struct device *dev, struct videobuf_dmabuf *dma); int videobuf_sg_dma_unmap(struct device *dev, struct videobuf_dmabuf *dma); +#endif /* _VIDEOBUF_DMA_SG_H */ + |