45 	struct uvc_video_queue *queue = vb2_get_drv_priv(vq);  in uvc_queue_setup()  local
46 	struct uvc_video *video = container_of(queue, struct uvc_video, queue);  in uvc_queue_setup()
73 	struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);  in uvc_buffer_prepare()  local
83 	if (unlikely(queue->flags & UVC_QUEUE_DISCONNECTED))  in uvc_buffer_prepare()
87 	if (queue->use_sg) {  in uvc_buffer_prepare()
104 	struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);  in uvc_buffer_queue()  local
109 	spin_lock_irqsave(&queue->irqlock, flags);  in uvc_buffer_queue()
111 	if (likely(!(queue->flags & UVC_QUEUE_DISCONNECTED))) {  in uvc_buffer_queue()
112 		list_add_tail(&buf->queue, &queue->irqqueue);  in uvc_buffer_queue()
122 	spin_unlock_irqrestore(&queue->irqlock, flags);  in uvc_buffer_queue()
133 int uvcg_queue_init(struct uvc_video_queue *queue, struct device *dev, enum v4l2_buf_type type,  in uvcg_queue_init()  argument
136 	struct uvc_video *video = container_of(queue, struct uvc_video, queue);  in uvcg_queue_init()
140 	queue->queue.type = type;  in uvcg_queue_init()
141 	queue->queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;  in uvcg_queue_init()
142 	queue->queue.drv_priv = queue;  in uvcg_queue_init()
143 	queue->queue.buf_struct_size = sizeof(struct uvc_buffer);  in uvcg_queue_init()
144 	queue->queue.ops = &uvc_queue_qops;  in uvcg_queue_init()
145 	queue->queue.lock = lock;  in uvcg_queue_init()
147 		queue->queue.mem_ops = &vb2_dma_sg_memops;  in uvcg_queue_init()
148 		queue->use_sg = 1;  in uvcg_queue_init()
150 		queue->queue.mem_ops = &vb2_vmalloc_memops;  in uvcg_queue_init()
153 	queue->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY  in uvcg_queue_init()
155 	queue->queue.dev = dev;  in uvcg_queue_init()
157 	ret = vb2_queue_init(&queue->queue);  in uvcg_queue_init()
161 	spin_lock_init(&queue->irqlock);  in uvcg_queue_init()
162 	INIT_LIST_HEAD(&queue->irqqueue);  in uvcg_queue_init()
163 	queue->flags = 0;  in uvcg_queue_init()
171 void uvcg_free_buffers(struct uvc_video_queue *queue)  in uvcg_free_buffers()  argument
173 	vb2_queue_release(&queue->queue);  in uvcg_free_buffers()
179 int uvcg_alloc_buffers(struct uvc_video_queue *queue,  in uvcg_alloc_buffers()  argument
184 	ret = vb2_reqbufs(&queue->queue, rb);  in uvcg_alloc_buffers()
189 int uvcg_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)  in uvcg_query_buffer()  argument
191 	return vb2_querybuf(&queue->queue, buf);  in uvcg_query_buffer()
194 int uvcg_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)  in uvcg_queue_buffer()  argument
196 	return vb2_qbuf(&queue->queue, NULL, buf);  in uvcg_queue_buffer()
203 int uvcg_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf,  in uvcg_dequeue_buffer()  argument
206 	return vb2_dqbuf(&queue->queue, buf, nonblocking);  in uvcg_dequeue_buffer()
215 __poll_t uvcg_queue_poll(struct uvc_video_queue *queue, struct file *file,  in uvcg_queue_poll()  argument
218 	return vb2_poll(&queue->queue, file, wait);  in uvcg_queue_poll()
221 int uvcg_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma)  in uvcg_queue_mmap()  argument
223 	return vb2_mmap(&queue->queue, vma);  in uvcg_queue_mmap()
232 unsigned long uvcg_queue_get_unmapped_area(struct uvc_video_queue *queue,  in uvcg_queue_get_unmapped_area()  argument
235 	return vb2_get_unmapped_area(&queue->queue, 0, 0, pgoff, 0);  in uvcg_queue_get_unmapped_area()
251 void uvcg_queue_cancel(struct uvc_video_queue *queue, int disconnect)  in uvcg_queue_cancel()  argument
256 	spin_lock_irqsave(&queue->irqlock, flags);  in uvcg_queue_cancel()
257 	while (!list_empty(&queue->irqqueue)) {  in uvcg_queue_cancel()
258 		buf = list_first_entry(&queue->irqqueue, struct uvc_buffer,  in uvcg_queue_cancel()
259 				       queue);  in uvcg_queue_cancel()
260 		list_del(&buf->queue);  in uvcg_queue_cancel()
264 	queue->buf_used = 0;  in uvcg_queue_cancel()
274 		queue->flags |= UVC_QUEUE_DISCONNECTED;  in uvcg_queue_cancel()
275 	spin_unlock_irqrestore(&queue->irqlock, flags);  in uvcg_queue_cancel()
295 int uvcg_queue_enable(struct uvc_video_queue *queue, int enable)  in uvcg_queue_enable()  argument
301 		ret = vb2_streamon(&queue->queue, queue->queue.type);  in uvcg_queue_enable()
305 		queue->sequence = 0;  in uvcg_queue_enable()
306 		queue->buf_used = 0;  in uvcg_queue_enable()
307 		queue->flags &= ~UVC_QUEUE_DROP_INCOMPLETE;  in uvcg_queue_enable()
309 		ret = vb2_streamoff(&queue->queue, queue->queue.type);  in uvcg_queue_enable()
313 		spin_lock_irqsave(&queue->irqlock, flags);  in uvcg_queue_enable()
314 		INIT_LIST_HEAD(&queue->irqqueue);  in uvcg_queue_enable()
322 		queue->flags &= ~UVC_QUEUE_DISCONNECTED;  in uvcg_queue_enable()
323 		spin_unlock_irqrestore(&queue->irqlock, flags);  in uvcg_queue_enable()
330 void uvcg_complete_buffer(struct uvc_video_queue *queue,  in uvcg_complete_buffer()  argument
333 	if (queue->flags & UVC_QUEUE_DROP_INCOMPLETE) {  in uvcg_complete_buffer()
334 		queue->flags &= ~UVC_QUEUE_DROP_INCOMPLETE;  in uvcg_complete_buffer()
342 	buf->buf.sequence = queue->sequence++;  in uvcg_complete_buffer()
349 struct uvc_buffer *uvcg_queue_head(struct uvc_video_queue *queue)  in uvcg_queue_head()  argument
353 	if (!list_empty(&queue->irqqueue))  in uvcg_queue_head()
354 		buf = list_first_entry(&queue->irqqueue, struct uvc_buffer,  in uvcg_queue_head()
355 				       queue);  in uvcg_queue_head()