42 	dev_dbg(map->q->dev, "vm_open %p [count=%u,vma=%08lx-%08lx]\n",  in videobuf_vm_open()
51 	struct videobuf_queue *q = map->q;  in videobuf_vm_close()  local
54 	dev_dbg(map->q->dev, "vm_close %p [count=%u,vma=%08lx-%08lx]\n",  in videobuf_vm_close()
61 		dev_dbg(map->q->dev, "munmap %p q=%p\n", map, q);  in videobuf_vm_close()
62 		mutex_lock(&q->vb_lock);  in videobuf_vm_close()
65 		if (q->streaming)  in videobuf_vm_close()
66 			videobuf_queue_cancel(q);  in videobuf_vm_close()
69 			if (NULL == q->bufs[i])  in videobuf_vm_close()
72 			if (q->bufs[i]->map != map)  in videobuf_vm_close()
75 			mem = q->bufs[i]->priv;  in videobuf_vm_close()
88 				dev_dbg(map->q->dev, "buf[%d] freeing %p\n",  in videobuf_vm_close()
91 				dma_free_coherent(q->dev, mem->size,  in videobuf_vm_close()
96 			q->bufs[i]->map   = NULL;  in videobuf_vm_close()
97 			q->bufs[i]->baddr = 0;  in videobuf_vm_close()
102 		mutex_unlock(&q->vb_lock);  in videobuf_vm_close()
135 static int __videobuf_iolock(struct videobuf_queue *q,  in __videobuf_iolock()  argument
146 		dev_dbg(q->dev, "%s memory method MMAP\n", __func__);  in __videobuf_iolock()
150 			dev_err(q->dev, "memory is not alloced/mmapped.\n");  in __videobuf_iolock()
155 		dev_dbg(q->dev, "%s memory method USERPTR\n", __func__);  in __videobuf_iolock()
164 		mem->vaddr = dma_alloc_coherent(q->dev, mem->size,  in __videobuf_iolock()
167 			dev_err(q->dev, "dma_alloc_coherent %ld failed\n",  in __videobuf_iolock()
172 		dev_dbg(q->dev, "dma_alloc_coherent data is at %p (%ld)\n",  in __videobuf_iolock()
177 		dev_dbg(q->dev, "%s memory method OVERLAY/unknown\n",  in __videobuf_iolock()
185 static int __videobuf_sync(struct videobuf_queue *q,  in __videobuf_sync()  argument
193 	dma_sync_single_for_cpu(q->dev, mem->dma_handle, mem->size,  in __videobuf_sync()
198 static int __videobuf_mmap_free(struct videobuf_queue *q)  in __videobuf_mmap_free()  argument
202 	dev_dbg(q->dev, "%s\n", __func__);  in __videobuf_mmap_free()
204 		if (q->bufs[i] && q->bufs[i]->map)  in __videobuf_mmap_free()
211 static int __videobuf_mmap_mapper(struct videobuf_queue *q,  in __videobuf_mmap_mapper()  argument
220 	dev_dbg(q->dev, "%s\n", __func__);  in __videobuf_mmap_mapper()
226 		if (!q->bufs[first])  in __videobuf_mmap_mapper()
229 		if (V4L2_MEMORY_MMAP != q->bufs[first]->memory)  in __videobuf_mmap_mapper()
231 		if (q->bufs[first]->boff == offset)  in __videobuf_mmap_mapper()
235 		dev_dbg(q->dev, "invalid user space offset [offset=0x%lx]\n",  in __videobuf_mmap_mapper()
245 	q->bufs[first]->map = map;  in __videobuf_mmap_mapper()
248 	map->q = q;  in __videobuf_mmap_mapper()
250 	q->bufs[first]->baddr = vma->vm_start;  in __videobuf_mmap_mapper()
252 	mem = q->bufs[first]->priv;  in __videobuf_mmap_mapper()
256 	mem->size = PAGE_ALIGN(q->bufs[first]->bsize);  in __videobuf_mmap_mapper()
257 	mem->vaddr = dma_alloc_coherent(q->dev, mem->size,  in __videobuf_mmap_mapper()
260 		dev_err(q->dev, "dma_alloc_coherent size %ld failed\n",  in __videobuf_mmap_mapper()
264 	dev_dbg(q->dev, "dma_alloc_coherent data is at addr %p (size %ld)\n",  in __videobuf_mmap_mapper()
277 		dev_err(q->dev, "mmap: remap failed with error %d. ", retval);  in __videobuf_mmap_mapper()
278 		dma_free_coherent(q->dev, mem->size,  in __videobuf_mmap_mapper()
287 	dev_dbg(q->dev, "mmap %p: q=%p %08lx-%08lx (%lx) pgoff %08lx buf %d\n",  in __videobuf_mmap_mapper()
288 		map, q, vma->vm_start, vma->vm_end,  in __videobuf_mmap_mapper()
289 		(long int) q->bufs[first]->bsize,  in __videobuf_mmap_mapper()
301 static int __videobuf_copy_to_user(struct videobuf_queue *q,  in __videobuf_copy_to_user()  argument
305 	struct videobuf_dma_contig_memory *mem = q->read_buf->priv;  in __videobuf_copy_to_user()
313 	if (count > q->read_buf->size - q->read_off)  in __videobuf_copy_to_user()
314 		count = q->read_buf->size - q->read_off;  in __videobuf_copy_to_user()
318 	if (copy_to_user(data, vaddr + q->read_off, count))  in __videobuf_copy_to_user()
324 static int __videobuf_copy_stream(struct videobuf_queue *q,  in __videobuf_copy_stream()  argument
329 	struct videobuf_dma_contig_memory *mem = q->read_buf->priv;  in __videobuf_copy_stream()
340 		fc += (q->read_buf->size >> 2) - 1;  in __videobuf_copy_stream()
341 		*fc = q->read_buf->field_count >> 1;  in __videobuf_copy_stream()
342 		dev_dbg(q->dev, "vbihack: %d\n", *fc);  in __videobuf_copy_stream()
346 	count = __videobuf_copy_to_user(q, data, count, nonblocking);  in __videobuf_copy_stream()
367 void videobuf_queue_dma_contig_init(struct videobuf_queue *q,  in videobuf_queue_dma_contig_init()  argument
376 	videobuf_queue_core_init(q, ops, dev, irqlock, type, field, msize,  in videobuf_queue_dma_contig_init()
392 void videobuf_dma_contig_free(struct videobuf_queue *q,  in videobuf_dma_contig_free()  argument
411 	dma_free_coherent(q->dev, mem->size, mem->vaddr, mem->dma_handle);  in videobuf_dma_contig_free()