145 static int uvc_v4l2_try_format(struct uvc_streaming *stream,  in uvc_v4l2_try_format()  argument
158 	if (fmt->type != stream->type)  in uvc_v4l2_try_format()
170 	for (i = 0; i < stream->nformats; ++i) {  in uvc_v4l2_try_format()
171 		format = &stream->format[i];  in uvc_v4l2_try_format()
176 	if (i == stream->nformats) {  in uvc_v4l2_try_format()
177 		format = stream->def_format;  in uvc_v4l2_try_format()
234 	mutex_lock(&stream->mutex);  in uvc_v4l2_try_format()
235 	if (stream->dev->quirks & UVC_QUIRK_PROBE_EXTRAFIELDS)  in uvc_v4l2_try_format()
237 			stream->ctrl.dwMaxVideoFrameSize;  in uvc_v4l2_try_format()
240 	ret = uvc_probe_video(stream, probe);  in uvc_v4l2_try_format()
241 	mutex_unlock(&stream->mutex);  in uvc_v4l2_try_format()
262 static int uvc_v4l2_get_format(struct uvc_streaming *stream,  in uvc_v4l2_get_format()  argument
269 	if (fmt->type != stream->type)  in uvc_v4l2_get_format()
272 	mutex_lock(&stream->mutex);  in uvc_v4l2_get_format()
273 	format = stream->cur_format;  in uvc_v4l2_get_format()
274 	frame = stream->cur_frame;  in uvc_v4l2_get_format()
286 	fmt->fmt.pix.sizeimage = stream->ctrl.dwMaxVideoFrameSize;  in uvc_v4l2_get_format()
291 	mutex_unlock(&stream->mutex);  in uvc_v4l2_get_format()
295 static int uvc_v4l2_set_format(struct uvc_streaming *stream,  in uvc_v4l2_set_format()  argument
303 	if (fmt->type != stream->type)  in uvc_v4l2_set_format()
306 	ret = uvc_v4l2_try_format(stream, fmt, &probe, &format, &frame);  in uvc_v4l2_set_format()
310 	mutex_lock(&stream->mutex);  in uvc_v4l2_set_format()
312 	if (uvc_queue_allocated(&stream->queue)) {  in uvc_v4l2_set_format()
317 	stream->ctrl = probe;  in uvc_v4l2_set_format()
318 	stream->cur_format = format;  in uvc_v4l2_set_format()
319 	stream->cur_frame = frame;  in uvc_v4l2_set_format()
322 	mutex_unlock(&stream->mutex);  in uvc_v4l2_set_format()
326 static int uvc_v4l2_get_streamparm(struct uvc_streaming *stream,  in uvc_v4l2_get_streamparm()  argument
331 	if (parm->type != stream->type)  in uvc_v4l2_get_streamparm()
334 	mutex_lock(&stream->mutex);  in uvc_v4l2_get_streamparm()
335 	numerator = stream->ctrl.dwFrameInterval;  in uvc_v4l2_get_streamparm()
336 	mutex_unlock(&stream->mutex);  in uvc_v4l2_get_streamparm()
342 	parm->type = stream->type;  in uvc_v4l2_get_streamparm()
344 	if (stream->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {  in uvc_v4l2_get_streamparm()
361 static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream,  in uvc_v4l2_set_streamparm()  argument
369 	if (parm->type != stream->type)  in uvc_v4l2_set_streamparm()
382 	mutex_lock(&stream->mutex);  in uvc_v4l2_set_streamparm()
384 	if (uvc_queue_streaming(&stream->queue)) {  in uvc_v4l2_set_streamparm()
385 		mutex_unlock(&stream->mutex);  in uvc_v4l2_set_streamparm()
389 	probe = stream->ctrl;  in uvc_v4l2_set_streamparm()
391 		uvc_try_frame_interval(stream->cur_frame, interval);  in uvc_v4l2_set_streamparm()
394 	ret = uvc_probe_video(stream, &probe);  in uvc_v4l2_set_streamparm()
396 		mutex_unlock(&stream->mutex);  in uvc_v4l2_set_streamparm()
400 	stream->ctrl = probe;  in uvc_v4l2_set_streamparm()
401 	mutex_unlock(&stream->mutex);  in uvc_v4l2_set_streamparm()
451 	if (atomic_inc_return(&handle->stream->active) != 1) {  in uvc_acquire_privileges()
452 		atomic_dec(&handle->stream->active);  in uvc_acquire_privileges()
463 		atomic_dec(&handle->stream->active);  in uvc_dismiss_privileges()
479 	struct uvc_streaming *stream;  in uvc_v4l2_open()  local
484 	stream = video_drvdata(file);  in uvc_v4l2_open()
486 	ret = usb_autopm_get_interface(stream->dev->intf);  in uvc_v4l2_open()
493 		usb_autopm_put_interface(stream->dev->intf);  in uvc_v4l2_open()
497 	mutex_lock(&stream->dev->lock);  in uvc_v4l2_open()
498 	if (stream->dev->users == 0) {  in uvc_v4l2_open()
499 		ret = uvc_status_start(stream->dev, GFP_KERNEL);  in uvc_v4l2_open()
501 			mutex_unlock(&stream->dev->lock);  in uvc_v4l2_open()
502 			usb_autopm_put_interface(stream->dev->intf);  in uvc_v4l2_open()
508 	stream->dev->users++;  in uvc_v4l2_open()
509 	mutex_unlock(&stream->dev->lock);  in uvc_v4l2_open()
511 	v4l2_fh_init(&handle->vfh, &stream->vdev);  in uvc_v4l2_open()
513 	handle->chain = stream->chain;  in uvc_v4l2_open()
514 	handle->stream = stream;  in uvc_v4l2_open()
524 	struct uvc_streaming *stream = handle->stream;  in uvc_v4l2_release()  local
530 		uvc_queue_release(&stream->queue);  in uvc_v4l2_release()
539 	mutex_lock(&stream->dev->lock);  in uvc_v4l2_release()
540 	if (--stream->dev->users == 0)  in uvc_v4l2_release()
541 		uvc_status_stop(stream->dev);  in uvc_v4l2_release()
542 	mutex_unlock(&stream->dev->lock);  in uvc_v4l2_release()
544 	usb_autopm_put_interface(stream->dev->intf);  in uvc_v4l2_release()
554 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_querycap()  local
558 	usb_make_path(stream->dev->udev, cap->bus_info, sizeof(cap->bus_info));  in uvc_ioctl_querycap()
561 	if (stream->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)  in uvc_ioctl_querycap()
569 static int uvc_ioctl_enum_fmt(struct uvc_streaming *stream,  in uvc_ioctl_enum_fmt()  argument
576 	if (fmt->type != stream->type || fmt->index >= stream->nformats)  in uvc_ioctl_enum_fmt()
583 	format = &stream->format[fmt->index];  in uvc_ioctl_enum_fmt()
597 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_enum_fmt_vid_cap()  local
599 	return uvc_ioctl_enum_fmt(stream, fmt);  in uvc_ioctl_enum_fmt_vid_cap()
606 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_enum_fmt_vid_out()  local
608 	return uvc_ioctl_enum_fmt(stream, fmt);  in uvc_ioctl_enum_fmt_vid_out()
615 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_g_fmt_vid_cap()  local
617 	return uvc_v4l2_get_format(stream, fmt);  in uvc_ioctl_g_fmt_vid_cap()
624 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_g_fmt_vid_out()  local
626 	return uvc_v4l2_get_format(stream, fmt);  in uvc_ioctl_g_fmt_vid_out()
633 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_s_fmt_vid_cap()  local
640 	return uvc_v4l2_set_format(stream, fmt);  in uvc_ioctl_s_fmt_vid_cap()
647 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_s_fmt_vid_out()  local
654 	return uvc_v4l2_set_format(stream, fmt);  in uvc_ioctl_s_fmt_vid_out()
661 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_try_fmt_vid_cap()  local
664 	return uvc_v4l2_try_format(stream, fmt, &probe, NULL, NULL);  in uvc_ioctl_try_fmt_vid_cap()
671 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_try_fmt_vid_out()  local
674 	return uvc_v4l2_try_format(stream, fmt, &probe, NULL, NULL);  in uvc_ioctl_try_fmt_vid_out()
681 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_reqbufs()  local
688 	mutex_lock(&stream->mutex);  in uvc_ioctl_reqbufs()
689 	ret = uvc_request_buffers(&stream->queue, rb);  in uvc_ioctl_reqbufs()
690 	mutex_unlock(&stream->mutex);  in uvc_ioctl_reqbufs()
704 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_querybuf()  local
709 	return uvc_query_buffer(&stream->queue, buf);  in uvc_ioctl_querybuf()
715 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_qbuf()  local
720 	return uvc_queue_buffer(&stream->queue, buf);  in uvc_ioctl_qbuf()
727 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_expbuf()  local
732 	return uvc_export_buffer(&stream->queue, exp);  in uvc_ioctl_expbuf()
738 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_dqbuf()  local
743 	return uvc_dequeue_buffer(&stream->queue, buf,  in uvc_ioctl_dqbuf()
751 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_create_bufs()  local
758 	return uvc_create_buffers(&stream->queue, cb);  in uvc_ioctl_create_bufs()
765 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_streamon()  local
771 	mutex_lock(&stream->mutex);  in uvc_ioctl_streamon()
772 	ret = uvc_queue_streamon(&stream->queue, type);  in uvc_ioctl_streamon()
773 	mutex_unlock(&stream->mutex);  in uvc_ioctl_streamon()
782 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_streamoff()  local
787 	mutex_lock(&stream->mutex);  in uvc_ioctl_streamoff()
788 	uvc_queue_streamoff(&stream->queue, type);  in uvc_ioctl_streamoff()
789 	mutex_unlock(&stream->mutex);  in uvc_ioctl_streamoff()
1063 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_g_selection()  local
1065 	if (sel->type != stream->type)  in uvc_ioctl_g_selection()
1071 		if (stream->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)  in uvc_ioctl_g_selection()
1076 		if (stream->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)  in uvc_ioctl_g_selection()
1085 	mutex_lock(&stream->mutex);  in uvc_ioctl_g_selection()
1086 	sel->r.width = stream->cur_frame->wWidth;  in uvc_ioctl_g_selection()
1087 	sel->r.height = stream->cur_frame->wHeight;  in uvc_ioctl_g_selection()
1088 	mutex_unlock(&stream->mutex);  in uvc_ioctl_g_selection()
1097 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_g_parm()  local
1099 	return uvc_v4l2_get_streamparm(stream, parm);  in uvc_ioctl_g_parm()
1106 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_s_parm()  local
1113 	return uvc_v4l2_set_streamparm(stream, parm);  in uvc_ioctl_s_parm()
1120 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_enum_framesizes()  local
1126 	for (i = 0; i < stream->nformats; i++) {  in uvc_ioctl_enum_framesizes()
1127 		if (stream->format[i].fcc == fsize->pixel_format) {  in uvc_ioctl_enum_framesizes()
1128 			format = &stream->format[i];  in uvc_ioctl_enum_framesizes()
1149 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_enum_frameintervals()  local
1155 	for (i = 0; i < stream->nformats; i++) {  in uvc_ioctl_enum_frameintervals()
1156 		if (stream->format[i].fcc == fival->pixel_format) {  in uvc_ioctl_enum_frameintervals()
1157 			format = &stream->format[i];  in uvc_ioctl_enum_frameintervals()
1446 	struct uvc_streaming *stream = handle->stream;  in uvc_v4l2_mmap()  local
1450 	return uvc_queue_mmap(&stream->queue, vma);  in uvc_v4l2_mmap()
1456 	struct uvc_streaming *stream = handle->stream;  in uvc_v4l2_poll()  local
1460 	return uvc_queue_poll(&stream->queue, file, wait);  in uvc_v4l2_poll()
1469 	struct uvc_streaming *stream = handle->stream;  in uvc_v4l2_get_unmapped_area()  local
1473 	return uvc_queue_get_unmapped_area(&stream->queue, pgoff);  in uvc_v4l2_get_unmapped_area()