Lines Matching refs:stream
89 static void uvc_fixup_video_ctrl(struct uvc_streaming *stream, in uvc_fixup_video_ctrl() argument
96 for (i = 0; i < stream->nformats; ++i) { in uvc_fixup_video_ctrl()
97 if (stream->format[i].index == ctrl->bFormatIndex) { in uvc_fixup_video_ctrl()
98 format = &stream->format[i]; in uvc_fixup_video_ctrl()
118 stream->dev->uvc_version < 0x0110)) in uvc_fixup_video_ctrl()
123 stream->dev->quirks & UVC_QUIRK_FIX_BANDWIDTH && in uvc_fixup_video_ctrl()
124 stream->intf->num_altsetting > 1) { in uvc_fixup_video_ctrl()
141 if (stream->dev->udev->speed == USB_SPEED_HIGH) in uvc_fixup_video_ctrl()
158 static int uvc_get_video_ctrl(struct uvc_streaming *stream, in uvc_get_video_ctrl() argument
165 size = stream->dev->uvc_version >= 0x0110 ? 34 : 26; in uvc_get_video_ctrl()
166 if ((stream->dev->quirks & UVC_QUIRK_PROBE_DEF) && in uvc_get_video_ctrl()
174 ret = __uvc_query_ctrl(stream->dev, query, 0, stream->intfnum, in uvc_get_video_ctrl()
183 uvc_warn_once(stream->dev, UVC_WARN_MINMAX, "UVC non " in uvc_get_video_ctrl()
195 uvc_warn_once(stream->dev, UVC_WARN_PROBE_DEF, "UVC non " in uvc_get_video_ctrl()
227 ctrl->dwClockFrequency = stream->dev->clock_frequency; in uvc_get_video_ctrl()
238 uvc_fixup_video_ctrl(stream, ctrl); in uvc_get_video_ctrl()
246 static int uvc_set_video_ctrl(struct uvc_streaming *stream, in uvc_set_video_ctrl() argument
253 size = stream->dev->uvc_version >= 0x0110 ? 34 : 26; in uvc_set_video_ctrl()
278 ret = __uvc_query_ctrl(stream->dev, UVC_SET_CUR, 0, stream->intfnum, in uvc_set_video_ctrl()
292 int uvc_probe_video(struct uvc_streaming *stream, in uvc_probe_video() argument
307 ret = uvc_set_video_ctrl(stream, probe, 1); in uvc_probe_video()
312 if (!(stream->dev->quirks & UVC_QUIRK_PROBE_MINMAX)) { in uvc_probe_video()
313 ret = uvc_get_video_ctrl(stream, &probe_min, 1, UVC_GET_MIN); in uvc_probe_video()
316 ret = uvc_get_video_ctrl(stream, &probe_max, 1, UVC_GET_MAX); in uvc_probe_video()
324 ret = uvc_set_video_ctrl(stream, probe, 1); in uvc_probe_video()
327 ret = uvc_get_video_ctrl(stream, probe, 1, UVC_GET_CUR); in uvc_probe_video()
331 if (stream->intf->num_altsetting == 1) in uvc_probe_video()
335 if (bandwidth <= stream->maxpsize) in uvc_probe_video()
338 if (stream->dev->quirks & UVC_QUIRK_PROBE_MINMAX) { in uvc_probe_video()
354 static int uvc_commit_video(struct uvc_streaming *stream, in uvc_commit_video() argument
357 return uvc_set_video_ctrl(stream, probe, 0); in uvc_commit_video()
373 uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, in uvc_video_clock_decode() argument
425 if (dev_sof == stream->clock.last_sof) in uvc_video_clock_decode()
428 stream->clock.last_sof = dev_sof; in uvc_video_clock_decode()
430 host_sof = usb_get_current_frame_number(stream->dev->udev); in uvc_video_clock_decode()
452 if (stream->clock.sof_offset == (u16)-1) { in uvc_video_clock_decode()
455 stream->clock.sof_offset = delta_sof; in uvc_video_clock_decode()
457 stream->clock.sof_offset = 0; in uvc_video_clock_decode()
460 dev_sof = (dev_sof + stream->clock.sof_offset) & 2047; in uvc_video_clock_decode()
462 spin_lock_irqsave(&stream->clock.lock, flags); in uvc_video_clock_decode()
464 sample = &stream->clock.samples[stream->clock.head]; in uvc_video_clock_decode()
471 stream->clock.head = (stream->clock.head + 1) % stream->clock.size; in uvc_video_clock_decode()
473 if (stream->clock.count < stream->clock.size) in uvc_video_clock_decode()
474 stream->clock.count++; in uvc_video_clock_decode()
476 spin_unlock_irqrestore(&stream->clock.lock, flags); in uvc_video_clock_decode()
479 static void uvc_video_clock_reset(struct uvc_streaming *stream) in uvc_video_clock_reset() argument
481 struct uvc_clock *clock = &stream->clock; in uvc_video_clock_reset()
489 static int uvc_video_clock_init(struct uvc_streaming *stream) in uvc_video_clock_init() argument
491 struct uvc_clock *clock = &stream->clock; in uvc_video_clock_init()
501 uvc_video_clock_reset(stream); in uvc_video_clock_init()
506 static void uvc_video_clock_cleanup(struct uvc_streaming *stream) in uvc_video_clock_cleanup() argument
508 kfree(stream->clock.samples); in uvc_video_clock_cleanup()
509 stream->clock.samples = NULL; in uvc_video_clock_cleanup()
600 void uvc_video_clock_update(struct uvc_streaming *stream, in uvc_video_clock_update() argument
604 struct uvc_clock *clock = &stream->clock; in uvc_video_clock_update()
646 stream->dev->name, buf->pts, in uvc_video_clock_update()
688 stream->dev->name, in uvc_video_clock_update()
701 spin_unlock_irqrestore(&stream->clock.lock, flags); in uvc_video_clock_update()
708 static void uvc_video_stats_decode(struct uvc_streaming *stream, in uvc_video_stats_decode() argument
718 if (stream->stats.stream.nb_frames == 0 && in uvc_video_stats_decode()
719 stream->stats.frame.nb_packets == 0) in uvc_video_stats_decode()
720 ktime_get_ts(&stream->stats.stream.start_ts); in uvc_video_stats_decode()
743 stream->stats.frame.nb_invalid++; in uvc_video_stats_decode()
757 if (has_pts && stream->stats.frame.nb_pts) { in uvc_video_stats_decode()
758 if (stream->stats.frame.pts != pts) { in uvc_video_stats_decode()
759 stream->stats.frame.nb_pts_diffs++; in uvc_video_stats_decode()
760 stream->stats.frame.last_pts_diff = in uvc_video_stats_decode()
761 stream->stats.frame.nb_packets; in uvc_video_stats_decode()
766 stream->stats.frame.nb_pts++; in uvc_video_stats_decode()
767 stream->stats.frame.pts = pts; in uvc_video_stats_decode()
773 if (stream->stats.frame.size == 0) { in uvc_video_stats_decode()
775 stream->stats.frame.has_initial_pts = has_pts; in uvc_video_stats_decode()
777 stream->stats.frame.has_early_pts = true; in uvc_video_stats_decode()
781 if (has_scr && stream->stats.frame.nb_scr) { in uvc_video_stats_decode()
782 if (stream->stats.frame.scr_stc != scr_stc) in uvc_video_stats_decode()
783 stream->stats.frame.nb_scr_diffs++; in uvc_video_stats_decode()
788 if (stream->stats.stream.nb_frames > 0 || in uvc_video_stats_decode()
789 stream->stats.frame.nb_scr > 0) in uvc_video_stats_decode()
790 stream->stats.stream.scr_sof_count += in uvc_video_stats_decode()
791 (scr_sof - stream->stats.stream.scr_sof) % 2048; in uvc_video_stats_decode()
792 stream->stats.stream.scr_sof = scr_sof; in uvc_video_stats_decode()
794 stream->stats.frame.nb_scr++; in uvc_video_stats_decode()
795 stream->stats.frame.scr_stc = scr_stc; in uvc_video_stats_decode()
796 stream->stats.frame.scr_sof = scr_sof; in uvc_video_stats_decode()
798 if (scr_sof < stream->stats.stream.min_sof) in uvc_video_stats_decode()
799 stream->stats.stream.min_sof = scr_sof; in uvc_video_stats_decode()
800 if (scr_sof > stream->stats.stream.max_sof) in uvc_video_stats_decode()
801 stream->stats.stream.max_sof = scr_sof; in uvc_video_stats_decode()
805 if (stream->stats.frame.size == 0 && len > header_size) in uvc_video_stats_decode()
806 stream->stats.frame.first_data = stream->stats.frame.nb_packets; in uvc_video_stats_decode()
809 stream->stats.frame.size += len - header_size; in uvc_video_stats_decode()
812 stream->stats.frame.nb_packets++; in uvc_video_stats_decode()
814 stream->stats.frame.nb_empty++; in uvc_video_stats_decode()
817 stream->stats.frame.nb_errors++; in uvc_video_stats_decode()
820 static void uvc_video_stats_update(struct uvc_streaming *stream) in uvc_video_stats_update() argument
822 struct uvc_stats_frame *frame = &stream->stats.frame; in uvc_video_stats_update()
827 stream->sequence, frame->first_data, in uvc_video_stats_update()
835 stream->stats.stream.nb_frames++; in uvc_video_stats_update()
836 stream->stats.stream.nb_packets += stream->stats.frame.nb_packets; in uvc_video_stats_update()
837 stream->stats.stream.nb_empty += stream->stats.frame.nb_empty; in uvc_video_stats_update()
838 stream->stats.stream.nb_errors += stream->stats.frame.nb_errors; in uvc_video_stats_update()
839 stream->stats.stream.nb_invalid += stream->stats.frame.nb_invalid; in uvc_video_stats_update()
842 stream->stats.stream.nb_pts_early++; in uvc_video_stats_update()
844 stream->stats.stream.nb_pts_initial++; in uvc_video_stats_update()
846 stream->stats.stream.nb_pts_constant++; in uvc_video_stats_update()
848 stream->stats.stream.nb_scr_count_ok++; in uvc_video_stats_update()
850 stream->stats.stream.nb_scr_diffs_ok++; in uvc_video_stats_update()
852 memset(&stream->stats.frame, 0, sizeof(stream->stats.frame)); in uvc_video_stats_update()
855 size_t uvc_video_stats_dump(struct uvc_streaming *stream, char *buf, in uvc_video_stats_dump() argument
863 ts.tv_sec = stream->stats.stream.stop_ts.tv_sec in uvc_video_stats_dump()
864 - stream->stats.stream.start_ts.tv_sec; in uvc_video_stats_dump()
865 ts.tv_nsec = stream->stats.stream.stop_ts.tv_nsec in uvc_video_stats_dump()
866 - stream->stats.stream.start_ts.tv_nsec; in uvc_video_stats_dump()
877 scr_sof_freq = stream->stats.stream.scr_sof_count * 1000 in uvc_video_stats_dump()
885 stream->stats.stream.nb_frames, in uvc_video_stats_dump()
886 stream->stats.stream.nb_packets, in uvc_video_stats_dump()
887 stream->stats.stream.nb_empty, in uvc_video_stats_dump()
888 stream->stats.stream.nb_errors, in uvc_video_stats_dump()
889 stream->stats.stream.nb_invalid); in uvc_video_stats_dump()
892 stream->stats.stream.nb_pts_early, in uvc_video_stats_dump()
893 stream->stats.stream.nb_pts_initial, in uvc_video_stats_dump()
894 stream->stats.stream.nb_pts_constant); in uvc_video_stats_dump()
897 stream->stats.stream.nb_scr_count_ok, in uvc_video_stats_dump()
898 stream->stats.stream.nb_scr_diffs_ok); in uvc_video_stats_dump()
901 stream->stats.stream.min_sof, in uvc_video_stats_dump()
902 stream->stats.stream.max_sof, in uvc_video_stats_dump()
908 static void uvc_video_stats_start(struct uvc_streaming *stream) in uvc_video_stats_start() argument
910 memset(&stream->stats, 0, sizeof(stream->stats)); in uvc_video_stats_start()
911 stream->stats.stream.min_sof = 2048; in uvc_video_stats_start()
914 static void uvc_video_stats_stop(struct uvc_streaming *stream) in uvc_video_stats_stop() argument
916 ktime_get_ts(&stream->stats.stream.stop_ts); in uvc_video_stats_stop()
958 static int uvc_video_decode_start(struct uvc_streaming *stream, in uvc_video_decode_start() argument
969 stream->stats.frame.nb_invalid++; in uvc_video_decode_start()
978 if (stream->last_fid != fid) { in uvc_video_decode_start()
979 stream->sequence++; in uvc_video_decode_start()
980 if (stream->sequence) in uvc_video_decode_start()
981 uvc_video_stats_update(stream); in uvc_video_decode_start()
984 uvc_video_clock_decode(stream, buf, data, len); in uvc_video_decode_start()
985 uvc_video_stats_decode(stream, data, len); in uvc_video_decode_start()
991 stream->last_fid = fid; in uvc_video_decode_start()
1013 if (fid == stream->last_fid) { in uvc_video_decode_start()
1016 if ((stream->dev->quirks & UVC_QUIRK_STREAM_NO_FID) && in uvc_video_decode_start()
1018 stream->last_fid ^= UVC_STREAM_FID; in uvc_video_decode_start()
1025 buf->buf.v4l2_buf.sequence = stream->sequence; in uvc_video_decode_start()
1049 if (fid != stream->last_fid && buf->bytesused != 0) { in uvc_video_decode_start()
1056 stream->last_fid = fid; in uvc_video_decode_start()
1061 static void uvc_video_decode_data(struct uvc_streaming *stream, in uvc_video_decode_data() argument
1084 static void uvc_video_decode_end(struct uvc_streaming *stream, in uvc_video_decode_end() argument
1093 if (stream->dev->quirks & UVC_QUIRK_STREAM_NO_FID) in uvc_video_decode_end()
1094 stream->last_fid ^= UVC_STREAM_FID; in uvc_video_decode_end()
1109 static int uvc_video_encode_header(struct uvc_streaming *stream, in uvc_video_encode_header() argument
1114 | (stream->last_fid & UVC_STREAM_FID); in uvc_video_encode_header()
1118 static int uvc_video_encode_data(struct uvc_streaming *stream, in uvc_video_encode_data() argument
1121 struct uvc_video_queue *queue = &stream->queue; in uvc_video_encode_data()
1128 nbytes = min(stream->bulk.max_payload_size - stream->bulk.payload_size, in uvc_video_encode_data()
1144 static void uvc_video_validate_buffer(const struct uvc_streaming *stream, in uvc_video_validate_buffer() argument
1147 if (stream->ctrl.dwMaxVideoFrameSize != buf->bytesused && in uvc_video_validate_buffer()
1148 !(stream->cur_format->flags & UVC_FMT_FLAG_COMPRESSED)) in uvc_video_validate_buffer()
1155 static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream, in uvc_video_decode_isoc() argument
1174 ret = uvc_video_decode_start(stream, buf, mem, in uvc_video_decode_isoc()
1177 uvc_video_validate_buffer(stream, buf); in uvc_video_decode_isoc()
1178 buf = uvc_queue_next_buffer(&stream->queue, in uvc_video_decode_isoc()
1187 uvc_video_decode_data(stream, buf, mem + ret, in uvc_video_decode_isoc()
1191 uvc_video_decode_end(stream, buf, mem, in uvc_video_decode_isoc()
1195 uvc_video_validate_buffer(stream, buf); in uvc_video_decode_isoc()
1196 buf = uvc_queue_next_buffer(&stream->queue, buf); in uvc_video_decode_isoc()
1201 static void uvc_video_decode_bulk(struct urb *urb, struct uvc_streaming *stream, in uvc_video_decode_bulk() argument
1211 if (urb->actual_length == 0 && stream->bulk.header_size == 0) in uvc_video_decode_bulk()
1216 stream->bulk.payload_size += len; in uvc_video_decode_bulk()
1221 if (stream->bulk.header_size == 0 && !stream->bulk.skip_payload) { in uvc_video_decode_bulk()
1223 ret = uvc_video_decode_start(stream, buf, mem, len); in uvc_video_decode_bulk()
1225 buf = uvc_queue_next_buffer(&stream->queue, in uvc_video_decode_bulk()
1231 stream->bulk.skip_payload = 1; in uvc_video_decode_bulk()
1233 memcpy(stream->bulk.header, mem, ret); in uvc_video_decode_bulk()
1234 stream->bulk.header_size = ret; in uvc_video_decode_bulk()
1247 if (!stream->bulk.skip_payload && buf != NULL) in uvc_video_decode_bulk()
1248 uvc_video_decode_data(stream, buf, mem, len); in uvc_video_decode_bulk()
1254 stream->bulk.payload_size >= stream->bulk.max_payload_size) { in uvc_video_decode_bulk()
1255 if (!stream->bulk.skip_payload && buf != NULL) { in uvc_video_decode_bulk()
1256 uvc_video_decode_end(stream, buf, stream->bulk.header, in uvc_video_decode_bulk()
1257 stream->bulk.payload_size); in uvc_video_decode_bulk()
1259 buf = uvc_queue_next_buffer(&stream->queue, in uvc_video_decode_bulk()
1263 stream->bulk.header_size = 0; in uvc_video_decode_bulk()
1264 stream->bulk.skip_payload = 0; in uvc_video_decode_bulk()
1265 stream->bulk.payload_size = 0; in uvc_video_decode_bulk()
1269 static void uvc_video_encode_bulk(struct urb *urb, struct uvc_streaming *stream, in uvc_video_encode_bulk() argument
1273 int len = stream->urb_size, ret; in uvc_video_encode_bulk()
1281 if (stream->bulk.header_size == 0) { in uvc_video_encode_bulk()
1282 ret = uvc_video_encode_header(stream, buf, mem, len); in uvc_video_encode_bulk()
1283 stream->bulk.header_size = ret; in uvc_video_encode_bulk()
1284 stream->bulk.payload_size += ret; in uvc_video_encode_bulk()
1290 ret = uvc_video_encode_data(stream, buf, mem, len); in uvc_video_encode_bulk()
1292 stream->bulk.payload_size += ret; in uvc_video_encode_bulk()
1295 if (buf->bytesused == stream->queue.buf_used || in uvc_video_encode_bulk()
1296 stream->bulk.payload_size == stream->bulk.max_payload_size) { in uvc_video_encode_bulk()
1297 if (buf->bytesused == stream->queue.buf_used) { in uvc_video_encode_bulk()
1298 stream->queue.buf_used = 0; in uvc_video_encode_bulk()
1300 buf->buf.v4l2_buf.sequence = ++stream->sequence; in uvc_video_encode_bulk()
1301 uvc_queue_next_buffer(&stream->queue, buf); in uvc_video_encode_bulk()
1302 stream->last_fid ^= UVC_STREAM_FID; in uvc_video_encode_bulk()
1305 stream->bulk.header_size = 0; in uvc_video_encode_bulk()
1306 stream->bulk.payload_size = 0; in uvc_video_encode_bulk()
1309 urb->transfer_buffer_length = stream->urb_size - len; in uvc_video_encode_bulk()
1314 struct uvc_streaming *stream = urb->context; in uvc_video_complete() local
1315 struct uvc_video_queue *queue = &stream->queue; in uvc_video_complete()
1329 if (stream->frozen) in uvc_video_complete()
1344 stream->decode(urb, stream, buf); in uvc_video_complete()
1355 static void uvc_free_urb_buffers(struct uvc_streaming *stream) in uvc_free_urb_buffers() argument
1360 if (stream->urb_buffer[i]) { in uvc_free_urb_buffers()
1362 usb_free_coherent(stream->dev->udev, stream->urb_size, in uvc_free_urb_buffers()
1363 stream->urb_buffer[i], stream->urb_dma[i]); in uvc_free_urb_buffers()
1365 kfree(stream->urb_buffer[i]); in uvc_free_urb_buffers()
1367 stream->urb_buffer[i] = NULL; in uvc_free_urb_buffers()
1371 stream->urb_size = 0; in uvc_free_urb_buffers()
1385 static int uvc_alloc_urb_buffers(struct uvc_streaming *stream, in uvc_alloc_urb_buffers() argument
1392 if (stream->urb_size) in uvc_alloc_urb_buffers()
1393 return stream->urb_size / psize; in uvc_alloc_urb_buffers()
1405 stream->urb_size = psize * npackets; in uvc_alloc_urb_buffers()
1407 stream->urb_buffer[i] = usb_alloc_coherent( in uvc_alloc_urb_buffers()
1408 stream->dev->udev, stream->urb_size, in uvc_alloc_urb_buffers()
1409 gfp_flags | __GFP_NOWARN, &stream->urb_dma[i]); in uvc_alloc_urb_buffers()
1411 stream->urb_buffer[i] = in uvc_alloc_urb_buffers()
1412 kmalloc(stream->urb_size, gfp_flags | __GFP_NOWARN); in uvc_alloc_urb_buffers()
1414 if (!stream->urb_buffer[i]) { in uvc_alloc_urb_buffers()
1415 uvc_free_urb_buffers(stream); in uvc_alloc_urb_buffers()
1436 static void uvc_uninit_video(struct uvc_streaming *stream, int free_buffers) in uvc_uninit_video() argument
1441 uvc_video_stats_stop(stream); in uvc_uninit_video()
1444 urb = stream->urb[i]; in uvc_uninit_video()
1450 stream->urb[i] = NULL; in uvc_uninit_video()
1454 uvc_free_urb_buffers(stream); in uvc_uninit_video()
1484 static int uvc_init_video_isoc(struct uvc_streaming *stream, in uvc_init_video_isoc() argument
1492 psize = uvc_endpoint_max_bpi(stream->dev->udev, ep); in uvc_init_video_isoc()
1493 size = stream->ctrl.dwMaxVideoFrameSize; in uvc_init_video_isoc()
1495 npackets = uvc_alloc_urb_buffers(stream, size, psize, gfp_flags); in uvc_init_video_isoc()
1504 uvc_uninit_video(stream, 1); in uvc_init_video_isoc()
1508 urb->dev = stream->dev->udev; in uvc_init_video_isoc()
1509 urb->context = stream; in uvc_init_video_isoc()
1510 urb->pipe = usb_rcvisocpipe(stream->dev->udev, in uvc_init_video_isoc()
1514 urb->transfer_dma = stream->urb_dma[i]; in uvc_init_video_isoc()
1519 urb->transfer_buffer = stream->urb_buffer[i]; in uvc_init_video_isoc()
1529 stream->urb[i] = urb; in uvc_init_video_isoc()
1539 static int uvc_init_video_bulk(struct uvc_streaming *stream, in uvc_init_video_bulk() argument
1548 size = stream->ctrl.dwMaxPayloadTransferSize; in uvc_init_video_bulk()
1549 stream->bulk.max_payload_size = size; in uvc_init_video_bulk()
1551 npackets = uvc_alloc_urb_buffers(stream, size, psize, gfp_flags); in uvc_init_video_bulk()
1558 pipe = usb_rcvbulkpipe(stream->dev->udev, in uvc_init_video_bulk()
1561 pipe = usb_sndbulkpipe(stream->dev->udev, in uvc_init_video_bulk()
1564 if (stream->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) in uvc_init_video_bulk()
1570 uvc_uninit_video(stream, 1); in uvc_init_video_bulk()
1574 usb_fill_bulk_urb(urb, stream->dev->udev, pipe, in uvc_init_video_bulk()
1575 stream->urb_buffer[i], size, uvc_video_complete, in uvc_init_video_bulk()
1576 stream); in uvc_init_video_bulk()
1579 urb->transfer_dma = stream->urb_dma[i]; in uvc_init_video_bulk()
1582 stream->urb[i] = urb; in uvc_init_video_bulk()
1591 static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags) in uvc_init_video() argument
1593 struct usb_interface *intf = stream->intf; in uvc_init_video()
1598 stream->sequence = -1; in uvc_init_video()
1599 stream->last_fid = -1; in uvc_init_video()
1600 stream->bulk.header_size = 0; in uvc_init_video()
1601 stream->bulk.skip_payload = 0; in uvc_init_video()
1602 stream->bulk.payload_size = 0; in uvc_init_video()
1604 uvc_video_stats_start(stream); in uvc_init_video()
1611 int intfnum = stream->intfnum; in uvc_init_video()
1614 bandwidth = stream->ctrl.dwMaxPayloadTransferSize; in uvc_init_video()
1631 stream->header.bEndpointAddress); in uvc_init_video()
1636 psize = uvc_endpoint_max_bpi(stream->dev->udev, ep); in uvc_init_video()
1653 ret = usb_set_interface(stream->dev->udev, intfnum, altsetting); in uvc_init_video()
1657 ret = uvc_init_video_isoc(stream, best_ep, gfp_flags); in uvc_init_video()
1661 stream->header.bEndpointAddress); in uvc_init_video()
1665 ret = uvc_init_video_bulk(stream, ep, gfp_flags); in uvc_init_video()
1673 ret = usb_submit_urb(stream->urb[i], gfp_flags); in uvc_init_video()
1677 uvc_uninit_video(stream, 1); in uvc_init_video()
1685 if (stream->dev->quirks & UVC_QUIRK_RESTORE_CTRLS_ON_INIT) in uvc_init_video()
1686 uvc_ctrl_restore_values(stream->dev); in uvc_init_video()
1702 int uvc_video_suspend(struct uvc_streaming *stream) in uvc_video_suspend() argument
1704 if (!uvc_queue_streaming(&stream->queue)) in uvc_video_suspend()
1707 stream->frozen = 1; in uvc_video_suspend()
1708 uvc_uninit_video(stream, 0); in uvc_video_suspend()
1709 usb_set_interface(stream->dev->udev, stream->intfnum, 0); in uvc_video_suspend()
1721 int uvc_video_resume(struct uvc_streaming *stream, int reset) in uvc_video_resume() argument
1731 usb_set_interface(stream->dev->udev, stream->intfnum, 0); in uvc_video_resume()
1733 stream->frozen = 0; in uvc_video_resume()
1735 uvc_video_clock_reset(stream); in uvc_video_resume()
1737 if (!uvc_queue_streaming(&stream->queue)) in uvc_video_resume()
1740 ret = uvc_commit_video(stream, &stream->ctrl); in uvc_video_resume()
1744 return uvc_init_video(stream, GFP_NOIO); in uvc_video_resume()
1761 int uvc_video_init(struct uvc_streaming *stream) in uvc_video_init() argument
1763 struct uvc_streaming_control *probe = &stream->ctrl; in uvc_video_init()
1769 if (stream->nformats == 0) { in uvc_video_init()
1774 atomic_set(&stream->active, 0); in uvc_video_init()
1781 usb_set_interface(stream->dev->udev, stream->intfnum, 0); in uvc_video_init()
1788 if (uvc_get_video_ctrl(stream, probe, 1, UVC_GET_DEF) == 0) in uvc_video_init()
1789 uvc_set_video_ctrl(stream, probe, 1); in uvc_video_init()
1796 ret = uvc_get_video_ctrl(stream, probe, 1, UVC_GET_CUR); in uvc_video_init()
1803 for (i = stream->nformats; i > 0; --i) { in uvc_video_init()
1804 format = &stream->format[i-1]; in uvc_video_init()
1829 stream->def_format = format; in uvc_video_init()
1830 stream->cur_format = format; in uvc_video_init()
1831 stream->cur_frame = frame; in uvc_video_init()
1834 if (stream->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { in uvc_video_init()
1835 if (stream->dev->quirks & UVC_QUIRK_BUILTIN_ISIGHT) in uvc_video_init()
1836 stream->decode = uvc_video_decode_isight; in uvc_video_init()
1837 else if (stream->intf->num_altsetting > 1) in uvc_video_init()
1838 stream->decode = uvc_video_decode_isoc; in uvc_video_init()
1840 stream->decode = uvc_video_decode_bulk; in uvc_video_init()
1842 if (stream->intf->num_altsetting == 1) in uvc_video_init()
1843 stream->decode = uvc_video_encode_bulk; in uvc_video_init()
1857 int uvc_video_enable(struct uvc_streaming *stream, int enable) in uvc_video_enable() argument
1862 uvc_uninit_video(stream, 1); in uvc_video_enable()
1863 if (stream->intf->num_altsetting > 1) { in uvc_video_enable()
1864 usb_set_interface(stream->dev->udev, in uvc_video_enable()
1865 stream->intfnum, 0); in uvc_video_enable()
1872 unsigned int epnum = stream->header.bEndpointAddress in uvc_video_enable()
1874 unsigned int dir = stream->header.bEndpointAddress in uvc_video_enable()
1878 pipe = usb_sndbulkpipe(stream->dev->udev, epnum) | dir; in uvc_video_enable()
1879 usb_clear_halt(stream->dev->udev, pipe); in uvc_video_enable()
1882 uvc_video_clock_cleanup(stream); in uvc_video_enable()
1886 ret = uvc_video_clock_init(stream); in uvc_video_enable()
1891 ret = uvc_commit_video(stream, &stream->ctrl); in uvc_video_enable()
1895 ret = uvc_init_video(stream, GFP_KERNEL); in uvc_video_enable()
1902 usb_set_interface(stream->dev->udev, stream->intfnum, 0); in uvc_video_enable()
1904 uvc_video_clock_cleanup(stream); in uvc_video_enable()