#define MAGIC_DMABUF 0x19721112
#define MAGIC_SG_MEM 0x17890714
-#define MAGIC_CHECK(is,should) if (unlikely((is) != (should))) \
- { printk(KERN_ERR "magic mismatch: %x (expected %x)\n",is,should); BUG(); }
+#define MAGIC_CHECK(is, should) \
+ if (unlikely((is) != (should))) { \
+ printk(KERN_ERR "magic mismatch: %x (expected %x)\n", \
+ is, should); \
+ BUG(); \
+ }
static int debug;
module_param(debug, int, 0644);
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
MODULE_LICENSE("GPL");
-#define dprintk(level, fmt, arg...) if (debug >= level) \
- printk(KERN_DEBUG "vbuf-sg: " fmt , ## arg)
+#define dprintk(level, fmt, arg...) \
+ if (debug >= level) \
+ printk(KERN_DEBUG "vbuf-sg: " fmt , ## arg)
/* --------------------------------------------------------------------- */
-struct scatterlist*
-videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages)
+struct scatterlist *videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages)
{
struct scatterlist *sglist;
struct page *pg;
}
return sglist;
- err:
+err:
vfree(sglist);
return NULL;
}
+EXPORT_SYMBOL_GPL(videobuf_vmalloc_to_sg);
-struct scatterlist*
-videobuf_pages_to_sg(struct page **pages, int nr_pages, int offset)
+struct scatterlist *videobuf_pages_to_sg(struct page **pages, int nr_pages,
+ int offset)
{
struct scatterlist *sglist;
int i;
}
return sglist;
- nopage:
- dprintk(2,"sgl: oops - no page\n");
+nopage:
+ dprintk(2, "sgl: oops - no page\n");
vfree(sglist);
return NULL;
- highmem:
- dprintk(2,"sgl: oops - highmem page\n");
+highmem:
+ dprintk(2, "sgl: oops - highmem page\n");
vfree(sglist);
return NULL;
}
/* --------------------------------------------------------------------- */
-struct videobuf_dmabuf *videobuf_to_dma (struct videobuf_buffer *buf)
+struct videobuf_dmabuf *videobuf_to_dma(struct videobuf_buffer *buf)
{
struct videobuf_dma_sg_memory *mem = buf->priv;
BUG_ON(!mem);
return &mem->dma;
}
+EXPORT_SYMBOL_GPL(videobuf_to_dma);
void videobuf_dma_init(struct videobuf_dmabuf *dma)
{
- memset(dma,0,sizeof(*dma));
+ memset(dma, 0, sizeof(*dma));
dma->magic = MAGIC_DMABUF;
}
+EXPORT_SYMBOL_GPL(videobuf_dma_init);
static int videobuf_dma_init_user_locked(struct videobuf_dmabuf *dma,
int direction, unsigned long data, unsigned long size)
{
- unsigned long first,last;
+ unsigned long first, last;
int err, rw = 0;
dma->direction = direction;
last = ((data+size-1) & PAGE_MASK) >> PAGE_SHIFT;
dma->offset = data & ~PAGE_MASK;
dma->nr_pages = last-first+1;
- dma->pages = kmalloc(dma->nr_pages * sizeof(struct page*),
- GFP_KERNEL);
+ dma->pages = kmalloc(dma->nr_pages * sizeof(struct page *), GFP_KERNEL);
if (NULL == dma->pages)
return -ENOMEM;
- dprintk(1,"init user [0x%lx+0x%lx => %d pages]\n",
- data,size,dma->nr_pages);
- err = get_user_pages(current,current->mm,
+ dprintk(1, "init user [0x%lx+0x%lx => %d pages]\n",
+ data, size, dma->nr_pages);
+
+ err = get_user_pages(current, current->mm,
data & PAGE_MASK, dma->nr_pages,
rw == READ, 1, /* force */
dma->pages, NULL);
if (err != dma->nr_pages) {
dma->nr_pages = (err >= 0) ? err : 0;
- dprintk(1,"get_user_pages: err=%d [%d]\n",err,dma->nr_pages);
+ dprintk(1, "get_user_pages: err=%d [%d]\n", err, dma->nr_pages);
return err < 0 ? err : -EINVAL;
}
return 0;
unsigned long data, unsigned long size)
{
int ret;
+
down_read(¤t->mm->mmap_sem);
ret = videobuf_dma_init_user_locked(dma, direction, data, size);
up_read(¤t->mm->mmap_sem);
return ret;
}
+EXPORT_SYMBOL_GPL(videobuf_dma_init_user);
int videobuf_dma_init_kernel(struct videobuf_dmabuf *dma, int direction,
int nr_pages)
{
- dprintk(1,"init kernel [%d pages]\n",nr_pages);
+ dprintk(1, "init kernel [%d pages]\n", nr_pages);
+
dma->direction = direction;
dma->vmalloc = vmalloc_32(nr_pages << PAGE_SHIFT);
if (NULL == dma->vmalloc) {
- dprintk(1,"vmalloc_32(%d pages) failed\n",nr_pages);
+ dprintk(1, "vmalloc_32(%d pages) failed\n", nr_pages);
return -ENOMEM;
}
- dprintk(1,"vmalloc is at addr 0x%08lx, size=%d\n",
+
+ dprintk(1, "vmalloc is at addr 0x%08lx, size=%d\n",
(unsigned long)dma->vmalloc,
nr_pages << PAGE_SHIFT);
- memset(dma->vmalloc,0,nr_pages << PAGE_SHIFT);
+
+ memset(dma->vmalloc, 0, nr_pages << PAGE_SHIFT);
dma->nr_pages = nr_pages;
+
return 0;
}
+EXPORT_SYMBOL_GPL(videobuf_dma_init_kernel);
int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction,
dma_addr_t addr, int nr_pages)
{
- dprintk(1,"init overlay [%d pages @ bus 0x%lx]\n",
- nr_pages,(unsigned long)addr);
+ dprintk(1, "init overlay [%d pages @ bus 0x%lx]\n",
+ nr_pages, (unsigned long)addr);
dma->direction = direction;
+
if (0 == addr)
return -EINVAL;
dma->bus_addr = addr;
dma->nr_pages = nr_pages;
+
return 0;
}
+EXPORT_SYMBOL_GPL(videobuf_dma_init_overlay);
-int videobuf_dma_map(struct videobuf_queue* q, struct videobuf_dmabuf *dma)
+int videobuf_dma_map(struct videobuf_queue *q, struct videobuf_dmabuf *dma)
{
- MAGIC_CHECK(dma->magic,MAGIC_DMABUF);
+ MAGIC_CHECK(dma->magic, MAGIC_DMABUF);
BUG_ON(0 == dma->nr_pages);
if (dma->pages) {
dma->offset);
}
if (dma->vmalloc) {
- dma->sglist = videobuf_vmalloc_to_sg
- (dma->vmalloc,dma->nr_pages);
+ dma->sglist = videobuf_vmalloc_to_sg(dma->vmalloc,
+ dma->nr_pages);
}
if (dma->bus_addr) {
dma->sglist = vmalloc(sizeof(*dma->sglist));
if (NULL != dma->sglist) {
- dma->sglen = 1;
- sg_dma_address(&dma->sglist[0]) = dma->bus_addr & PAGE_MASK;
- dma->sglist[0].offset = dma->bus_addr & ~PAGE_MASK;
- sg_dma_len(&dma->sglist[0]) = dma->nr_pages * PAGE_SIZE;
+ dma->sglen = 1;
+ sg_dma_address(&dma->sglist[0]) = dma->bus_addr
+ & PAGE_MASK;
+ dma->sglist[0].offset = dma->bus_addr & ~PAGE_MASK;
+ sg_dma_len(&dma->sglist[0]) = dma->nr_pages * PAGE_SIZE;
}
}
if (NULL == dma->sglist) {
- dprintk(1,"scatterlist is NULL\n");
+ dprintk(1, "scatterlist is NULL\n");
return -ENOMEM;
}
if (!dma->bus_addr) {
dma->nr_pages, dma->direction);
if (0 == dma->sglen) {
printk(KERN_WARNING
- "%s: videobuf_map_sg failed\n",__func__);
+ "%s: videobuf_map_sg failed\n", __func__);
vfree(dma->sglist);
dma->sglist = NULL;
dma->sglen = 0;
return -ENOMEM;
}
}
- return 0;
-}
-
-int videobuf_dma_sync(struct videobuf_queue *q, struct videobuf_dmabuf *dma)
-{
- MAGIC_CHECK(dma->magic, MAGIC_DMABUF);
- BUG_ON(!dma->sglen);
- dma_sync_sg_for_cpu(q->dev, dma->sglist, dma->nr_pages, dma->direction);
return 0;
}
+EXPORT_SYMBOL_GPL(videobuf_dma_map);
-int videobuf_dma_unmap(struct videobuf_queue* q,struct videobuf_dmabuf *dma)
+int videobuf_dma_unmap(struct videobuf_queue *q, struct videobuf_dmabuf *dma)
{
MAGIC_CHECK(dma->magic, MAGIC_DMABUF);
+
if (!dma->sglen)
return 0;
- dma_unmap_sg(q->dev, dma->sglist, dma->nr_pages, dma->direction);
+ dma_unmap_sg(q->dev, dma->sglist, dma->sglen, dma->direction);
vfree(dma->sglist);
dma->sglist = NULL;
dma->sglen = 0;
+
return 0;
}
+EXPORT_SYMBOL_GPL(videobuf_dma_unmap);
int videobuf_dma_free(struct videobuf_dmabuf *dma)
{
- MAGIC_CHECK(dma->magic,MAGIC_DMABUF);
+ int i;
+ MAGIC_CHECK(dma->magic, MAGIC_DMABUF);
BUG_ON(dma->sglen);
if (dma->pages) {
- int i;
- for (i=0; i < dma->nr_pages; i++)
+ for (i = 0; i < dma->nr_pages; i++)
page_cache_release(dma->pages[i]);
kfree(dma->pages);
dma->pages = NULL;
vfree(dma->vmalloc);
dma->vmalloc = NULL;
- if (dma->bus_addr) {
+ if (dma->bus_addr)
dma->bus_addr = 0;
- }
dma->direction = DMA_NONE;
+
return 0;
}
+EXPORT_SYMBOL_GPL(videobuf_dma_free);
/* --------------------------------------------------------------------- */
return videobuf_dma_map(&q, dma);
}
+EXPORT_SYMBOL_GPL(videobuf_sg_dma_map);
int videobuf_sg_dma_unmap(struct device *dev, struct videobuf_dmabuf *dma)
{
return videobuf_dma_unmap(&q, dma);
}
+EXPORT_SYMBOL_GPL(videobuf_sg_dma_unmap);
/* --------------------------------------------------------------------- */
-static void
-videobuf_vm_open(struct vm_area_struct *vma)
+static void videobuf_vm_open(struct vm_area_struct *vma)
{
struct videobuf_mapping *map = vma->vm_private_data;
- dprintk(2,"vm_open %p [count=%d,vma=%08lx-%08lx]\n",map,
- map->count,vma->vm_start,vma->vm_end);
+ dprintk(2, "vm_open %p [count=%d,vma=%08lx-%08lx]\n", map,
+ map->count, vma->vm_start, vma->vm_end);
+
map->count++;
}
-static void
-videobuf_vm_close(struct vm_area_struct *vma)
+static void videobuf_vm_close(struct vm_area_struct *vma)
{
struct videobuf_mapping *map = vma->vm_private_data;
struct videobuf_queue *q = map->q;
struct videobuf_dma_sg_memory *mem;
int i;
- dprintk(2,"vm_close %p [count=%d,vma=%08lx-%08lx]\n",map,
- map->count,vma->vm_start,vma->vm_end);
+ dprintk(2, "vm_close %p [count=%d,vma=%08lx-%08lx]\n", map,
+ map->count, vma->vm_start, vma->vm_end);
map->count--;
if (0 == map->count) {
- dprintk(1,"munmap %p q=%p\n",map,q);
+ dprintk(1, "munmap %p q=%p\n", map, q);
mutex_lock(&q->vb_lock);
for (i = 0; i < VIDEO_MAX_FRAME; i++) {
if (NULL == q->bufs[i])
continue;
- mem=q->bufs[i]->priv;
-
+ mem = q->bufs[i]->priv;
if (!mem)
continue;
- MAGIC_CHECK(mem->magic,MAGIC_SG_MEM);
+ MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);
if (q->bufs[i]->map != map)
continue;
q->bufs[i]->map = NULL;
q->bufs[i]->baddr = 0;
- q->ops->buf_release(q,q->bufs[i]);
+ q->ops->buf_release(q, q->bufs[i]);
}
mutex_unlock(&q->vb_lock);
kfree(map);
* now ...). Bounce buffers don't work very well for the data rates
* video capture has.
*/
-static int
-videobuf_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+static int videobuf_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct page *page;
- dprintk(3,"fault: fault @ %08lx [vma %08lx-%08lx]\n",
- (unsigned long)vmf->virtual_address,vma->vm_start,vma->vm_end);
+ dprintk(3, "fault: fault @ %08lx [vma %08lx-%08lx]\n",
+ (unsigned long)vmf->virtual_address,
+ vma->vm_start, vma->vm_end);
+
page = alloc_page(GFP_USER | __GFP_DMA32);
if (!page)
return VM_FAULT_OOM;
clear_user_highpage(page, (unsigned long)vmf->virtual_address);
vmf->page = page;
+
return 0;
}
-static const struct vm_operations_struct videobuf_vm_ops =
-{
- .open = videobuf_vm_open,
- .close = videobuf_vm_close,
- .fault = videobuf_vm_fault,
+static const struct vm_operations_struct videobuf_vm_ops = {
+ .open = videobuf_vm_open,
+ .close = videobuf_vm_close,
+ .fault = videobuf_vm_fault,
};
/* ---------------------------------------------------------------------
struct videobuf_dma_sg_memory
*/
-static void *__videobuf_alloc(size_t size)
+static struct videobuf_buffer *__videobuf_alloc(size_t size)
{
struct videobuf_dma_sg_memory *mem;
struct videobuf_buffer *vb;
- vb = kzalloc(size+sizeof(*mem),GFP_KERNEL);
+ vb = kzalloc(size + sizeof(*mem), GFP_KERNEL);
if (!vb)
return vb;
- mem = vb->priv = ((char *)vb)+size;
- mem->magic=MAGIC_SG_MEM;
+ mem = vb->priv = ((char *)vb) + size;
+ mem->magic = MAGIC_SG_MEM;
videobuf_dma_init(&mem->dma);
- dprintk(1,"%s: allocated at %p(%ld+%ld) & %p(%ld)\n",
- __func__,vb,(long)sizeof(*vb),(long)size-sizeof(*vb),
- mem,(long)sizeof(*mem));
+ dprintk(1, "%s: allocated at %p(%ld+%ld) & %p(%ld)\n",
+ __func__, vb, (long)sizeof(*vb), (long)size - sizeof(*vb),
+ mem, (long)sizeof(*mem));
return vb;
}
-static void *__videobuf_to_vmalloc (struct videobuf_buffer *buf)
+static void *__videobuf_to_vaddr(struct videobuf_buffer *buf)
{
struct videobuf_dma_sg_memory *mem = buf->priv;
BUG_ON(!mem);
return mem->dma.vmalloc;
}
-static int __videobuf_iolock (struct videobuf_queue* q,
- struct videobuf_buffer *vb,
- struct v4l2_framebuffer *fbuf)
+static int __videobuf_iolock(struct videobuf_queue *q,
+ struct videobuf_buffer *vb,
+ struct v4l2_framebuffer *fbuf)
{
- int err,pages;
+ int err, pages;
dma_addr_t bus;
struct videobuf_dma_sg_memory *mem = vb->priv;
BUG_ON(!mem);
if (0 == vb->baddr) {
/* no userspace addr -- kernel bounce buffer */
pages = PAGE_ALIGN(vb->size) >> PAGE_SHIFT;
- err = videobuf_dma_init_kernel( &mem->dma,
- DMA_FROM_DEVICE,
- pages );
+ err = videobuf_dma_init_kernel(&mem->dma,
+ DMA_FROM_DEVICE,
+ pages);
if (0 != err)
return err;
} else if (vb->memory == V4L2_MEMORY_USERPTR) {
/* dma directly to userspace */
- err = videobuf_dma_init_user( &mem->dma,
- DMA_FROM_DEVICE,
- vb->baddr,vb->bsize );
+ err = videobuf_dma_init_user(&mem->dma,
+ DMA_FROM_DEVICE,
+ vb->baddr, vb->bsize);
if (0 != err)
return err;
} else {
struct videobuf_buffer *buf)
{
struct videobuf_dma_sg_memory *mem = buf->priv;
- BUG_ON(!mem);
- MAGIC_CHECK(mem->magic,MAGIC_SG_MEM);
+ BUG_ON(!mem || !mem->dma.sglen);
- return videobuf_dma_sync(q,&mem->dma);
-}
-
-static int __videobuf_mmap_free(struct videobuf_queue *q)
-{
- int i;
+ MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);
+ MAGIC_CHECK(mem->dma.magic, MAGIC_DMABUF);
- for (i = 0; i < VIDEO_MAX_FRAME; i++) {
- if (q->bufs[i]) {
- if (q->bufs[i]->map)
- return -EBUSY;
- }
- }
+ dma_sync_sg_for_cpu(q->dev, mem->dma.sglist,
+ mem->dma.sglen, mem->dma.direction);
return 0;
}
static int __videobuf_mmap_mapper(struct videobuf_queue *q,
- struct vm_area_struct *vma)
+ struct videobuf_buffer *buf,
+ struct vm_area_struct *vma)
{
- struct videobuf_dma_sg_memory *mem;
+ struct videobuf_dma_sg_memory *mem = buf->priv;
struct videobuf_mapping *map;
- unsigned int first,last,size,i;
+ unsigned int first, last, size = 0, i;
int retval;
retval = -EINVAL;
- if (!(vma->vm_flags & VM_WRITE)) {
- dprintk(1,"mmap app bug: PROT_WRITE please\n");
- goto done;
- }
- if (!(vma->vm_flags & VM_SHARED)) {
- dprintk(1,"mmap app bug: MAP_SHARED please\n");
- goto done;
- }
/* This function maintains backwards compatibility with V4L1 and will
* map more than one buffer if the vma length is equal to the combined
* TODO: Allow drivers to specify if they support this mode
*/
+ BUG_ON(!mem);
+ MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);
+
/* look for first buffer to map */
for (first = 0; first < VIDEO_MAX_FRAME; first++) {
- if (NULL == q->bufs[first])
- continue;
- mem=q->bufs[first]->priv;
- BUG_ON(!mem);
- MAGIC_CHECK(mem->magic,MAGIC_SG_MEM);
-
- if (V4L2_MEMORY_MMAP != q->bufs[first]->memory)
- continue;
- if (q->bufs[first]->boff == (vma->vm_pgoff << PAGE_SHIFT))
+ if (buf == q->bufs[first]) {
+ size = PAGE_ALIGN(q->bufs[first]->bsize);
break;
+ }
}
- if (VIDEO_MAX_FRAME == first) {
- dprintk(1,"mmap app bug: offset invalid [offset=0x%lx]\n",
- (vma->vm_pgoff << PAGE_SHIFT));
+
+ /* paranoia, should never happen since buf is always valid. */
+ if (!size) {
+ dprintk(1, "mmap app bug: offset invalid [offset=0x%lx]\n",
+ (vma->vm_pgoff << PAGE_SHIFT));
goto done;
}
- /* look for last buffer to map */
- for (size = 0, last = first; last < VIDEO_MAX_FRAME; last++) {
- if (NULL == q->bufs[last])
- continue;
- if (V4L2_MEMORY_MMAP != q->bufs[last]->memory)
- continue;
- if (q->bufs[last]->map) {
- retval = -EBUSY;
+ last = first;
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
+ if (size != (vma->vm_end - vma->vm_start)) {
+ /* look for last buffer to map */
+ for (last = first + 1; last < VIDEO_MAX_FRAME; last++) {
+ if (NULL == q->bufs[last])
+ continue;
+ if (V4L2_MEMORY_MMAP != q->bufs[last]->memory)
+ continue;
+ if (q->bufs[last]->map) {
+ retval = -EBUSY;
+ goto done;
+ }
+ size += PAGE_ALIGN(q->bufs[last]->bsize);
+ if (size == (vma->vm_end - vma->vm_start))
+ break;
+ }
+ if (VIDEO_MAX_FRAME == last) {
+ dprintk(1, "mmap app bug: size invalid [size=0x%lx]\n",
+ (vma->vm_end - vma->vm_start));
goto done;
}
- size += PAGE_ALIGN(q->bufs[last]->bsize);
- if (size == (vma->vm_end - vma->vm_start))
- break;
- }
- if (VIDEO_MAX_FRAME == last) {
- dprintk(1,"mmap app bug: size invalid [size=0x%lx]\n",
- (vma->vm_end - vma->vm_start));
- goto done;
}
+#endif
/* create mapping + update buffer list */
retval = -ENOMEM;
- map = kmalloc(sizeof(struct videobuf_mapping),GFP_KERNEL);
+ map = kmalloc(sizeof(struct videobuf_mapping), GFP_KERNEL);
if (NULL == map)
goto done;
vma->vm_flags |= VM_DONTEXPAND | VM_RESERVED;
vma->vm_flags &= ~VM_IO; /* using shared anonymous pages */
vma->vm_private_data = map;
- dprintk(1,"mmap %p: q=%p %08lx-%08lx pgoff %08lx bufs %d-%d\n",
- map,q,vma->vm_start,vma->vm_end,vma->vm_pgoff,first,last);
+ dprintk(1, "mmap %p: q=%p %08lx-%08lx pgoff %08lx bufs %d-%d\n",
+ map, q, vma->vm_start, vma->vm_end, vma->vm_pgoff, first, last);
retval = 0;
- done:
+done:
return retval;
}
-static int __videobuf_copy_to_user ( struct videobuf_queue *q,
- char __user *data, size_t count,
- int nonblocking )
-{
- struct videobuf_dma_sg_memory *mem = q->read_buf->priv;
- BUG_ON(!mem);
- MAGIC_CHECK(mem->magic,MAGIC_SG_MEM);
-
- /* copy to userspace */
- if (count > q->read_buf->size - q->read_off)
- count = q->read_buf->size - q->read_off;
-
- if (copy_to_user(data, mem->dma.vmalloc+q->read_off, count))
- return -EFAULT;
-
- return count;
-}
-
-static int __videobuf_copy_stream ( struct videobuf_queue *q,
- char __user *data, size_t count, size_t pos,
- int vbihack, int nonblocking )
-{
- unsigned int *fc;
- struct videobuf_dma_sg_memory *mem = q->read_buf->priv;
- BUG_ON(!mem);
- MAGIC_CHECK(mem->magic,MAGIC_SG_MEM);
-
- if (vbihack) {
- /* dirty, undocumented hack -- pass the frame counter
- * within the last four bytes of each vbi data block.
- * We need that one to maintain backward compatibility
- * to all vbi decoding software out there ... */
- fc = (unsigned int*)mem->dma.vmalloc;
- fc += (q->read_buf->size>>2) -1;
- *fc = q->read_buf->field_count >> 1;
- dprintk(1,"vbihack: %d\n",*fc);
- }
-
- /* copy stuff using the common method */
- count = __videobuf_copy_to_user (q,data,count,nonblocking);
-
- if ( (count==-EFAULT) && (0 == pos) )
- return -EFAULT;
-
- return count;
-}
-
static struct videobuf_qtype_ops sg_ops = {
.magic = MAGIC_QTYPE_OPS,
.alloc = __videobuf_alloc,
.iolock = __videobuf_iolock,
.sync = __videobuf_sync,
- .mmap_free = __videobuf_mmap_free,
.mmap_mapper = __videobuf_mmap_mapper,
- .video_copy_to_user = __videobuf_copy_to_user,
- .copy_stream = __videobuf_copy_stream,
- .vmalloc = __videobuf_to_vmalloc,
+ .vaddr = __videobuf_to_vaddr,
};
void *videobuf_sg_alloc(size_t size)
return videobuf_alloc(&q);
}
+EXPORT_SYMBOL_GPL(videobuf_sg_alloc);
-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,
videobuf_queue_core_init(q, ops, dev, irqlock, type, field, msize,
priv, &sg_ops);
}
-
-/* --------------------------------------------------------------------- */
-
-EXPORT_SYMBOL_GPL(videobuf_vmalloc_to_sg);
-
-EXPORT_SYMBOL_GPL(videobuf_to_dma);
-EXPORT_SYMBOL_GPL(videobuf_dma_init);
-EXPORT_SYMBOL_GPL(videobuf_dma_init_user);
-EXPORT_SYMBOL_GPL(videobuf_dma_init_kernel);
-EXPORT_SYMBOL_GPL(videobuf_dma_init_overlay);
-EXPORT_SYMBOL_GPL(videobuf_dma_map);
-EXPORT_SYMBOL_GPL(videobuf_dma_sync);
-EXPORT_SYMBOL_GPL(videobuf_dma_unmap);
-EXPORT_SYMBOL_GPL(videobuf_dma_free);
-
-EXPORT_SYMBOL_GPL(videobuf_sg_dma_map);
-EXPORT_SYMBOL_GPL(videobuf_sg_dma_unmap);
-EXPORT_SYMBOL_GPL(videobuf_sg_alloc);
-
EXPORT_SYMBOL_GPL(videobuf_queue_sg_init);
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
projects / linux-flexiantxendom0-3.2.10.git / blobdiff