/*
- * helper functions for PCI DMA video4linux capture buffers
+ * helper functions for SG DMA video4linux capture buffers
*
- * The functions expect the hardware being able to scatter gatter
+ * The functions expect the hardware being able to scatter gather
* (i.e. the buffers are not linear in physical memory, but fragmented
* into PAGE_SIZE chunks). They also assume the driver does not need
* to touch the video data.
* does memory allocation too using vmalloc_32().
*
* videobuf_dma_*()
- * see Documentation/DMA-mapping.txt, these functions to
+ * see Documentation/PCI/PCI-DMA-mapping.txt, these functions to
* basically the same. The map function does also build a
* scatterlist for the buffer (and unmap frees it ...)
*
/* for kernel buffers */
void *vmalloc;
- /* Stores the userspace pointer to vmalloc area */
- void *varea;
-
/* for overlay buffers (pci-pci dma) */
dma_addr_t bus_addr;
int direction;
};
-struct videbuf_pci_sg_memory
+struct videobuf_dma_sg_memory
{
u32 magic;
/* for mmap'ed buffers */
- struct videobuf_mapping *map;
struct videobuf_dmabuf dma;
};
-/* FIXME: To be removed soon */
-typedef int (vb_map_sg_t)(void *dev, struct scatterlist *sglist, int nr_pages,
- int direction);
-
-/* FIXME: To be removed soon */
-struct videobuf_dma_sg_ops
-{
- vb_map_sg_t *vb_map_sg;
- vb_map_sg_t *vb_dma_sync_sg;
- vb_map_sg_t *vb_unmap_sg;
-
-};
-
void videobuf_dma_init(struct videobuf_dmabuf *dma);
int videobuf_dma_init_user(struct videobuf_dmabuf *dma, int direction,
unsigned long data, unsigned long size);
int videobuf_dma_unmap(struct videobuf_queue* q,struct videobuf_dmabuf *dma);
struct videobuf_dmabuf *videobuf_to_dma (struct videobuf_buffer *buf);
-void *videobuf_pci_alloc (size_t size);
+void *videobuf_sg_alloc(size_t size);
-void videobuf_queue_pci_init(struct videobuf_queue* q,
+void videobuf_queue_sg_init(struct videobuf_queue* q,
struct videobuf_queue_ops *ops,
- void *dev,
+ struct device *dev,
spinlock_t *irqlock,
enum v4l2_buf_type type,
enum v4l2_field field,
/*FIXME: these variants are used only on *-alsa code, where videobuf is
* used without queue
*/
-int videobuf_pci_dma_map(struct pci_dev *pci,struct videobuf_dmabuf *dma);
-int videobuf_pci_dma_unmap(struct pci_dev *pci,struct videobuf_dmabuf *dma);
-
-/* FIXME: temporary routine for vivi and tm6000, while lacking implementation
- * of videobuf-vmalloc
- */
-void videobuf_set_pci_ops (struct videobuf_queue* q,
- struct videobuf_dma_sg_ops *ops);
+int videobuf_sg_dma_map(struct device *dev, struct videobuf_dmabuf *dma);
+int videobuf_sg_dma_unmap(struct device *dev, struct videobuf_dmabuf *dma);