159 static int uvc_v4l2_try_format(struct uvc_streaming *stream,  in uvc_v4l2_try_format()  argument
172 	if (fmt->type != stream->type)  in uvc_v4l2_try_format()
176 	uvc_dbg(stream->dev, FORMAT, "Trying format 0x%08x (%c%c%c%c): %ux%u\n",  in uvc_v4l2_try_format()
185 	for (i = 0; i < stream->nformats; ++i) {  in uvc_v4l2_try_format()
186 		format = &stream->format[i];  in uvc_v4l2_try_format()
191 	if (i == stream->nformats) {  in uvc_v4l2_try_format()
192 		format = stream->def_format;  in uvc_v4l2_try_format()
221 		uvc_dbg(stream->dev, FORMAT, "Unsupported size %ux%u\n",  in uvc_v4l2_try_format()
228 	uvc_dbg(stream->dev, FORMAT,  in uvc_v4l2_try_format()
252 	mutex_lock(&stream->mutex);  in uvc_v4l2_try_format()
253 	if (stream->dev->quirks & UVC_QUIRK_PROBE_EXTRAFIELDS)  in uvc_v4l2_try_format()
255 			stream->ctrl.dwMaxVideoFrameSize;  in uvc_v4l2_try_format()
258 	ret = uvc_probe_video(stream, probe);  in uvc_v4l2_try_format()
259 	mutex_unlock(&stream->mutex);  in uvc_v4l2_try_format()
269 	for (i = 0; i < stream->nformats; ++i) {  in uvc_v4l2_try_format()
270 		if (probe->bFormatIndex == stream->format[i].index) {  in uvc_v4l2_try_format()
271 			format = &stream->format[i];  in uvc_v4l2_try_format()
276 	if (i == stream->nformats)  in uvc_v4l2_try_format()
277 		uvc_dbg(stream->dev, FORMAT,  in uvc_v4l2_try_format()
289 		uvc_dbg(stream->dev, FORMAT,  in uvc_v4l2_try_format()
311 static int uvc_v4l2_get_format(struct uvc_streaming *stream,  in uvc_v4l2_get_format()  argument
318 	if (fmt->type != stream->type)  in uvc_v4l2_get_format()
321 	mutex_lock(&stream->mutex);  in uvc_v4l2_get_format()
322 	format = stream->cur_format;  in uvc_v4l2_get_format()
323 	frame = stream->cur_frame;  in uvc_v4l2_get_format()
335 	fmt->fmt.pix.sizeimage = stream->ctrl.dwMaxVideoFrameSize;  in uvc_v4l2_get_format()
341 	mutex_unlock(&stream->mutex);  in uvc_v4l2_get_format()
345 static int uvc_v4l2_set_format(struct uvc_streaming *stream,  in uvc_v4l2_set_format()  argument
353 	if (fmt->type != stream->type)  in uvc_v4l2_set_format()
356 	ret = uvc_v4l2_try_format(stream, fmt, &probe, &format, &frame);  in uvc_v4l2_set_format()
360 	mutex_lock(&stream->mutex);  in uvc_v4l2_set_format()
362 	if (uvc_queue_allocated(&stream->queue)) {  in uvc_v4l2_set_format()
367 	stream->ctrl = probe;  in uvc_v4l2_set_format()
368 	stream->cur_format = format;  in uvc_v4l2_set_format()
369 	stream->cur_frame = frame;  in uvc_v4l2_set_format()
372 	mutex_unlock(&stream->mutex);  in uvc_v4l2_set_format()
376 static int uvc_v4l2_get_streamparm(struct uvc_streaming *stream,  in uvc_v4l2_get_streamparm()  argument
381 	if (parm->type != stream->type)  in uvc_v4l2_get_streamparm()
384 	mutex_lock(&stream->mutex);  in uvc_v4l2_get_streamparm()
385 	numerator = stream->ctrl.dwFrameInterval;  in uvc_v4l2_get_streamparm()
386 	mutex_unlock(&stream->mutex);  in uvc_v4l2_get_streamparm()
392 	parm->type = stream->type;  in uvc_v4l2_get_streamparm()
394 	if (stream->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {  in uvc_v4l2_get_streamparm()
411 static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream,  in uvc_v4l2_set_streamparm()  argument
422 	if (parm->type != stream->type)  in uvc_v4l2_set_streamparm()
432 	uvc_dbg(stream->dev, FORMAT, "Setting frame interval to %u/%u (%u)\n",  in uvc_v4l2_set_streamparm()
435 	mutex_lock(&stream->mutex);  in uvc_v4l2_set_streamparm()
437 	if (uvc_queue_streaming(&stream->queue)) {  in uvc_v4l2_set_streamparm()
438 		mutex_unlock(&stream->mutex);  in uvc_v4l2_set_streamparm()
442 	format = stream->cur_format;  in uvc_v4l2_set_streamparm()
443 	frame = stream->cur_frame;  in uvc_v4l2_set_streamparm()
444 	probe = stream->ctrl;  in uvc_v4l2_set_streamparm()
452 		if (&format->frame[i] == stream->cur_frame)  in uvc_v4l2_set_streamparm()
455 		if (format->frame[i].wWidth != stream->cur_frame->wWidth ||  in uvc_v4l2_set_streamparm()
456 		    format->frame[i].wHeight != stream->cur_frame->wHeight)  in uvc_v4l2_set_streamparm()
471 	ret = uvc_probe_video(stream, &probe);  in uvc_v4l2_set_streamparm()
473 		mutex_unlock(&stream->mutex);  in uvc_v4l2_set_streamparm()
477 	stream->ctrl = probe;  in uvc_v4l2_set_streamparm()
478 	stream->cur_frame = frame;  in uvc_v4l2_set_streamparm()
479 	mutex_unlock(&stream->mutex);  in uvc_v4l2_set_streamparm()
532 	if (atomic_inc_return(&handle->stream->active) != 1) {  in uvc_acquire_privileges()
533 		atomic_dec(&handle->stream->active);  in uvc_acquire_privileges()
544 		atomic_dec(&handle->stream->active);  in uvc_dismiss_privileges()
560 	struct uvc_streaming *stream;  in uvc_v4l2_open()  local
564 	stream = video_drvdata(file);  in uvc_v4l2_open()
565 	uvc_dbg(stream->dev, CALLS, "%s\n", __func__);  in uvc_v4l2_open()
567 	ret = usb_autopm_get_interface(stream->dev->intf);  in uvc_v4l2_open()
574 		usb_autopm_put_interface(stream->dev->intf);  in uvc_v4l2_open()
578 	mutex_lock(&stream->dev->lock);  in uvc_v4l2_open()
579 	if (stream->dev->users == 0) {  in uvc_v4l2_open()
580 		ret = uvc_status_start(stream->dev, GFP_KERNEL);  in uvc_v4l2_open()
582 			mutex_unlock(&stream->dev->lock);  in uvc_v4l2_open()
583 			usb_autopm_put_interface(stream->dev->intf);  in uvc_v4l2_open()
589 	stream->dev->users++;  in uvc_v4l2_open()
590 	mutex_unlock(&stream->dev->lock);  in uvc_v4l2_open()
592 	v4l2_fh_init(&handle->vfh, &stream->vdev);  in uvc_v4l2_open()
594 	handle->chain = stream->chain;  in uvc_v4l2_open()
595 	handle->stream = stream;  in uvc_v4l2_open()
605 	struct uvc_streaming *stream = handle->stream;  in uvc_v4l2_release()  local
607 	uvc_dbg(stream->dev, CALLS, "%s\n", __func__);  in uvc_v4l2_release()
611 		uvc_queue_release(&stream->queue);  in uvc_v4l2_release()
620 	mutex_lock(&stream->dev->lock);  in uvc_v4l2_release()
621 	if (--stream->dev->users == 0)  in uvc_v4l2_release()
622 		uvc_status_stop(stream->dev);  in uvc_v4l2_release()
623 	mutex_unlock(&stream->dev->lock);  in uvc_v4l2_release()
625 	usb_autopm_put_interface(stream->dev->intf);  in uvc_v4l2_release()
634 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_querycap()  local
637 	strscpy(cap->card, handle->stream->dev->name, sizeof(cap->card));  in uvc_ioctl_querycap()
638 	usb_make_path(stream->dev->udev, cap->bus_info, sizeof(cap->bus_info));  in uvc_ioctl_querycap()
645 static int uvc_ioctl_enum_fmt(struct uvc_streaming *stream,  in uvc_ioctl_enum_fmt()  argument
652 	if (fmt->type != stream->type || fmt->index >= stream->nformats)  in uvc_ioctl_enum_fmt()
659 	format = &stream->format[fmt->index];  in uvc_ioctl_enum_fmt()
673 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_enum_fmt_vid_cap()  local
675 	return uvc_ioctl_enum_fmt(stream, fmt);  in uvc_ioctl_enum_fmt_vid_cap()
682 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_enum_fmt_vid_out()  local
684 	return uvc_ioctl_enum_fmt(stream, fmt);  in uvc_ioctl_enum_fmt_vid_out()
691 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_g_fmt_vid_cap()  local
693 	return uvc_v4l2_get_format(stream, fmt);  in uvc_ioctl_g_fmt_vid_cap()
700 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_g_fmt_vid_out()  local
702 	return uvc_v4l2_get_format(stream, fmt);  in uvc_ioctl_g_fmt_vid_out()
709 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_s_fmt_vid_cap()  local
716 	return uvc_v4l2_set_format(stream, fmt);  in uvc_ioctl_s_fmt_vid_cap()
723 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_s_fmt_vid_out()  local
730 	return uvc_v4l2_set_format(stream, fmt);  in uvc_ioctl_s_fmt_vid_out()
737 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_try_fmt_vid_cap()  local
740 	return uvc_v4l2_try_format(stream, fmt, &probe, NULL, NULL);  in uvc_ioctl_try_fmt_vid_cap()
747 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_try_fmt_vid_out()  local
750 	return uvc_v4l2_try_format(stream, fmt, &probe, NULL, NULL);  in uvc_ioctl_try_fmt_vid_out()
757 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_reqbufs()  local
764 	mutex_lock(&stream->mutex);  in uvc_ioctl_reqbufs()
765 	ret = uvc_request_buffers(&stream->queue, rb);  in uvc_ioctl_reqbufs()
766 	mutex_unlock(&stream->mutex);  in uvc_ioctl_reqbufs()
780 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_querybuf()  local
785 	return uvc_query_buffer(&stream->queue, buf);  in uvc_ioctl_querybuf()
791 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_qbuf()  local
796 	return uvc_queue_buffer(&stream->queue,  in uvc_ioctl_qbuf()
797 				stream->vdev.v4l2_dev->mdev, buf);  in uvc_ioctl_qbuf()
804 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_expbuf()  local
809 	return uvc_export_buffer(&stream->queue, exp);  in uvc_ioctl_expbuf()
815 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_dqbuf()  local
820 	return uvc_dequeue_buffer(&stream->queue, buf,  in uvc_ioctl_dqbuf()
828 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_create_bufs()  local
835 	return uvc_create_buffers(&stream->queue, cb);  in uvc_ioctl_create_bufs()
842 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_streamon()  local
848 	mutex_lock(&stream->mutex);  in uvc_ioctl_streamon()
849 	ret = uvc_queue_streamon(&stream->queue, type);  in uvc_ioctl_streamon()
850 	mutex_unlock(&stream->mutex);  in uvc_ioctl_streamon()
859 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_streamoff()  local
864 	mutex_lock(&stream->mutex);  in uvc_ioctl_streamoff()
865 	uvc_queue_streamoff(&stream->queue, type);  in uvc_ioctl_streamoff()
866 	mutex_unlock(&stream->mutex);  in uvc_ioctl_streamoff()
1145 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_g_selection()  local
1147 	if (sel->type != stream->type)  in uvc_ioctl_g_selection()
1153 		if (stream->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)  in uvc_ioctl_g_selection()
1158 		if (stream->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)  in uvc_ioctl_g_selection()
1167 	mutex_lock(&stream->mutex);  in uvc_ioctl_g_selection()
1168 	sel->r.width = stream->cur_frame->wWidth;  in uvc_ioctl_g_selection()
1169 	sel->r.height = stream->cur_frame->wHeight;  in uvc_ioctl_g_selection()
1170 	mutex_unlock(&stream->mutex);  in uvc_ioctl_g_selection()
1179 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_g_parm()  local
1181 	return uvc_v4l2_get_streamparm(stream, parm);  in uvc_ioctl_g_parm()
1188 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_s_parm()  local
1195 	return uvc_v4l2_set_streamparm(stream, parm);  in uvc_ioctl_s_parm()
1202 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_enum_framesizes()  local
1209 	for (i = 0; i < stream->nformats; i++) {  in uvc_ioctl_enum_framesizes()
1210 		if (stream->format[i].fcc == fsize->pixel_format) {  in uvc_ioctl_enum_framesizes()
1211 			format = &stream->format[i];  in uvc_ioctl_enum_framesizes()
1242 	struct uvc_streaming *stream = handle->stream;  in uvc_ioctl_enum_frameintervals()  local
1250 	for (i = 0; i < stream->nformats; i++) {  in uvc_ioctl_enum_frameintervals()
1251 		if (stream->format[i].fcc == fival->pixel_format) {  in uvc_ioctl_enum_frameintervals()
1252 			format = &stream->format[i];  in uvc_ioctl_enum_frameintervals()
1465 	struct uvc_streaming *stream = handle->stream;  in uvc_v4l2_read()  local
1467 	uvc_dbg(stream->dev, CALLS, "%s: not implemented\n", __func__);  in uvc_v4l2_read()
1474 	struct uvc_streaming *stream = handle->stream;  in uvc_v4l2_mmap()  local
1476 	uvc_dbg(stream->dev, CALLS, "%s\n", __func__);  in uvc_v4l2_mmap()
1478 	return uvc_queue_mmap(&stream->queue, vma);  in uvc_v4l2_mmap()
1484 	struct uvc_streaming *stream = handle->stream;  in uvc_v4l2_poll()  local
1486 	uvc_dbg(stream->dev, CALLS, "%s\n", __func__);  in uvc_v4l2_poll()
1488 	return uvc_queue_poll(&stream->queue, file, wait);  in uvc_v4l2_poll()
1497 	struct uvc_streaming *stream = handle->stream;  in uvc_v4l2_get_unmapped_area()  local
1499 	uvc_dbg(stream->dev, CALLS, "%s\n", __func__);  in uvc_v4l2_get_unmapped_area()
1501 	return uvc_queue_get_unmapped_area(&stream->queue, pgoff);  in uvc_v4l2_get_unmapped_area()