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-rw-r--r--include/media/videobuf-dma-sg.h26
1 files changed, 14 insertions, 12 deletions
diff --git a/include/media/videobuf-dma-sg.h b/include/media/videobuf-dma-sg.h
index 53e72f787175..a195f3b9c00a 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 */
+