dprintk(1,"init user [0x%lx+0x%lx => %d pages]\n",
data,size,dma->nr_pages);
+ dma->varea = (void *) data;
+
down_read(¤t->mm->mmap_sem);
err = get_user_pages(current,current->mm,
data & PAGE_MASK, dma->nr_pages,
vfree(dma->vmalloc);
dma->vmalloc = NULL;
+ dma->varea = NULL;
if (dma->bus_addr) {
dma->bus_addr = 0;
if (NULL == fbuf)
return -EINVAL;
/* FIXME: need sanity checks for vb->boff */
- bus = (dma_addr_t)fbuf->base + vb->boff;
+ /*
+ * Using a double cast to avoid compiler warnings when
+ * building for PAE. Compiler doesn't like direct casting
+ * of a 32 bit ptr to 64 bit integer.
+ */
+ bus = (dma_addr_t)(unsigned long)fbuf->base + vb->boff;
pages = PAGE_ALIGN(vb->size) >> PAGE_SHIFT;
err = videobuf_dma_init_overlay(&vb->dma,PCI_DMA_FROMDEVICE,
bus, pages);
int videobuf_pci_dma_map(struct pci_dev *pci,struct videobuf_dmabuf *dma)
{
struct videobuf_queue q;
+ struct videobuf_queue_ops qops;
q.dev=pci;
- q.ops->vb_map_sg=(vb_map_sg_t *)pci_unmap_sg;
+ qops.vb_map_sg=(vb_map_sg_t *)pci_map_sg;
+ qops.vb_unmap_sg=(vb_map_sg_t *)pci_unmap_sg;
+ q.ops = &qops;
- return (videobuf_dma_unmap(&q,dma));
+ return (videobuf_dma_map(&q,dma));
}
int videobuf_pci_dma_unmap(struct pci_dev *pci,struct videobuf_dmabuf *dma)
{
struct videobuf_queue q;
+ struct videobuf_queue_ops qops;
q.dev=pci;
- q.ops->vb_map_sg=(vb_map_sg_t *)pci_unmap_sg;
+ qops.vb_map_sg=(vb_map_sg_t *)pci_map_sg;
+ qops.vb_unmap_sg=(vb_map_sg_t *)pci_unmap_sg;
+ q.ops = &qops;
return (videobuf_dma_unmap(&q,dma));
}
goto done;
}
if (buf->state == STATE_QUEUED ||
+ buf->state == STATE_PREPARED ||
buf->state == STATE_ACTIVE) {
dprintk(1,"qbuf: buffer is already queued or active.\n");
goto done;
/* need to capture a new frame */
retval = -ENOMEM;
q->read_buf = videobuf_alloc(q->msize);
- dprintk(1,"video alloc=0x%08x\n",(unsigned int) q->read_buf);
+ dprintk(1,"video alloc=0x%p\n", q->read_buf);
if (NULL == q->read_buf)
goto done;
q->read_buf->memory = V4L2_MEMORY_USERPTR;
vaddr,vma->vm_start,vma->vm_end);
if (vaddr > vma->vm_end)
return NOPAGE_SIGBUS;
- page = alloc_page(GFP_USER);
+ page = alloc_page(GFP_USER | __GFP_DMA32);
if (!page)
return NOPAGE_OOM;
clear_user_page(page_address(page), vaddr, page);