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V4L/DVB (7237): Convert videobuf-dma-sg to generic DMA API

Browse source 
videobuf-dma-sg does not need to depend on PCI. Switch it to using generic
DMA API, convert all affected drivers, relax Kconfig restriction, improve
compile-time type checking, fix some Coding Style violations while at it.

Signed-off-by: Guennadi Liakhovetski <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Guennadi Liakhovetski 2008-04-22 14:42:13 -03:00 • committed by Mauro Carvalho Chehab
commit 0705135e59
18 changed files with 109 additions and 108 deletions
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14
include/media/videobuf-dma-sg.h
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@ -1,5 +1,5 @@
/*
* 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
* (i.e. the buffers are not linear in physical memory, but fragmented
@ -81,7 +81,7 @@ struct videobuf_dmabuf {
int direction;
};
struct videbuf_pci_sg_memory
struct videobuf_dma_sg_memory
{
u32 magic;
@ -103,11 +103,11 @@ 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);
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,
@ -117,6 +117,6 @@ void videobuf_queue_pci_init(struct videobuf_queue* q,
/*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);
int videobuf_sg_dma_map(struct device *dev, struct videobuf_dmabuf *dma);
int videobuf_sg_dma_unmap(struct device *dev, struct videobuf_dmabuf *dma);