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()
131 stream->dev->quirks & UVC_QUIRK_FIX_BANDWIDTH && in uvc_fixup_video_ctrl()
132 stream->intf->num_altsetting > 1) { in uvc_fixup_video_ctrl()
149 if (stream->dev->udev->speed == USB_SPEED_HIGH) in uvc_fixup_video_ctrl()
166 static int uvc_get_video_ctrl(struct uvc_streaming *stream, in uvc_get_video_ctrl() argument
173 size = stream->dev->uvc_version >= 0x0110 ? 34 : 26; in uvc_get_video_ctrl()
174 if ((stream->dev->quirks & UVC_QUIRK_PROBE_DEF) && in uvc_get_video_ctrl()
182 ret = __uvc_query_ctrl(stream->dev, query, 0, stream->intfnum, in uvc_get_video_ctrl()
191 uvc_warn_once(stream->dev, UVC_WARN_MINMAX, "UVC non " in uvc_get_video_ctrl()
203 uvc_warn_once(stream->dev, UVC_WARN_PROBE_DEF, "UVC non " in uvc_get_video_ctrl()
235 ctrl->dwClockFrequency = stream->dev->clock_frequency; in uvc_get_video_ctrl()
246 uvc_fixup_video_ctrl(stream, ctrl); in uvc_get_video_ctrl()
254 static int uvc_set_video_ctrl(struct uvc_streaming *stream, in uvc_set_video_ctrl() argument
261 size = stream->dev->uvc_version >= 0x0110 ? 34 : 26; in uvc_set_video_ctrl()
286 ret = __uvc_query_ctrl(stream->dev, UVC_SET_CUR, 0, stream->intfnum, in uvc_set_video_ctrl()
300 int uvc_probe_video(struct uvc_streaming *stream, in uvc_probe_video() argument
315 ret = uvc_set_video_ctrl(stream, probe, 1); in uvc_probe_video()
320 if (!(stream->dev->quirks & UVC_QUIRK_PROBE_MINMAX)) { in uvc_probe_video()
321 ret = uvc_get_video_ctrl(stream, &probe_min, 1, UVC_GET_MIN); in uvc_probe_video()
324 ret = uvc_get_video_ctrl(stream, &probe_max, 1, UVC_GET_MAX); in uvc_probe_video()
332 ret = uvc_set_video_ctrl(stream, probe, 1); in uvc_probe_video()
335 ret = uvc_get_video_ctrl(stream, probe, 1, UVC_GET_CUR); in uvc_probe_video()
339 if (stream->intf->num_altsetting == 1) in uvc_probe_video()
343 if (bandwidth <= stream->maxpsize) in uvc_probe_video()
346 if (stream->dev->quirks & UVC_QUIRK_PROBE_MINMAX) { in uvc_probe_video()
362 static int uvc_commit_video(struct uvc_streaming *stream, in uvc_commit_video() argument
365 return uvc_set_video_ctrl(stream, probe, 0); in uvc_commit_video()
381 uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, in uvc_video_clock_decode() argument
433 if (dev_sof == stream->clock.last_sof) in uvc_video_clock_decode()
436 stream->clock.last_sof = dev_sof; in uvc_video_clock_decode()
438 host_sof = usb_get_current_frame_number(stream->dev->udev); in uvc_video_clock_decode()
460 if (stream->clock.sof_offset == (u16)-1) { in uvc_video_clock_decode()
463 stream->clock.sof_offset = delta_sof; in uvc_video_clock_decode()
465 stream->clock.sof_offset = 0; in uvc_video_clock_decode()
468 dev_sof = (dev_sof + stream->clock.sof_offset) & 2047; in uvc_video_clock_decode()
470 spin_lock_irqsave(&stream->clock.lock, flags); in uvc_video_clock_decode()
472 sample = &stream->clock.samples[stream->clock.head]; in uvc_video_clock_decode()
479 stream->clock.head = (stream->clock.head + 1) % stream->clock.size; in uvc_video_clock_decode()
481 if (stream->clock.count < stream->clock.size) in uvc_video_clock_decode()
482 stream->clock.count++; in uvc_video_clock_decode()
484 spin_unlock_irqrestore(&stream->clock.lock, flags); in uvc_video_clock_decode()
487 static void uvc_video_clock_reset(struct uvc_streaming *stream) in uvc_video_clock_reset() argument
489 struct uvc_clock *clock = &stream->clock; in uvc_video_clock_reset()
497 static int uvc_video_clock_init(struct uvc_streaming *stream) in uvc_video_clock_init() argument
499 struct uvc_clock *clock = &stream->clock; in uvc_video_clock_init()
509 uvc_video_clock_reset(stream); in uvc_video_clock_init()
514 static void uvc_video_clock_cleanup(struct uvc_streaming *stream) in uvc_video_clock_cleanup() argument
516 kfree(stream->clock.samples); in uvc_video_clock_cleanup()
517 stream->clock.samples = NULL; in uvc_video_clock_cleanup()
608 void uvc_video_clock_update(struct uvc_streaming *stream, in uvc_video_clock_update() argument
612 struct uvc_clock *clock = &stream->clock; in uvc_video_clock_update()
657 stream->dev->name, buf->pts, in uvc_video_clock_update()
699 stream->dev->name, in uvc_video_clock_update()
712 spin_unlock_irqrestore(&stream->clock.lock, flags); in uvc_video_clock_update()
719 static void uvc_video_stats_decode(struct uvc_streaming *stream, in uvc_video_stats_decode() argument
729 if (stream->stats.stream.nb_frames == 0 && in uvc_video_stats_decode()
730 stream->stats.frame.nb_packets == 0) in uvc_video_stats_decode()
731 ktime_get_ts(&stream->stats.stream.start_ts); in uvc_video_stats_decode()
754 stream->stats.frame.nb_invalid++; in uvc_video_stats_decode()
768 if (has_pts && stream->stats.frame.nb_pts) { in uvc_video_stats_decode()
769 if (stream->stats.frame.pts != pts) { in uvc_video_stats_decode()
770 stream->stats.frame.nb_pts_diffs++; in uvc_video_stats_decode()
771 stream->stats.frame.last_pts_diff = in uvc_video_stats_decode()
772 stream->stats.frame.nb_packets; in uvc_video_stats_decode()
777 stream->stats.frame.nb_pts++; in uvc_video_stats_decode()
778 stream->stats.frame.pts = pts; in uvc_video_stats_decode()
784 if (stream->stats.frame.size == 0) { in uvc_video_stats_decode()
786 stream->stats.frame.has_initial_pts = has_pts; in uvc_video_stats_decode()
788 stream->stats.frame.has_early_pts = true; in uvc_video_stats_decode()
792 if (has_scr && stream->stats.frame.nb_scr) { in uvc_video_stats_decode()
793 if (stream->stats.frame.scr_stc != scr_stc) in uvc_video_stats_decode()
794 stream->stats.frame.nb_scr_diffs++; in uvc_video_stats_decode()
799 if (stream->stats.stream.nb_frames > 0 || in uvc_video_stats_decode()
800 stream->stats.frame.nb_scr > 0) in uvc_video_stats_decode()
801 stream->stats.stream.scr_sof_count += in uvc_video_stats_decode()
802 (scr_sof - stream->stats.stream.scr_sof) % 2048; in uvc_video_stats_decode()
803 stream->stats.stream.scr_sof = scr_sof; in uvc_video_stats_decode()
805 stream->stats.frame.nb_scr++; in uvc_video_stats_decode()
806 stream->stats.frame.scr_stc = scr_stc; in uvc_video_stats_decode()
807 stream->stats.frame.scr_sof = scr_sof; in uvc_video_stats_decode()
809 if (scr_sof < stream->stats.stream.min_sof) in uvc_video_stats_decode()
810 stream->stats.stream.min_sof = scr_sof; in uvc_video_stats_decode()
811 if (scr_sof > stream->stats.stream.max_sof) in uvc_video_stats_decode()
812 stream->stats.stream.max_sof = scr_sof; in uvc_video_stats_decode()
816 if (stream->stats.frame.size == 0 && len > header_size) in uvc_video_stats_decode()
817 stream->stats.frame.first_data = stream->stats.frame.nb_packets; in uvc_video_stats_decode()
820 stream->stats.frame.size += len - header_size; in uvc_video_stats_decode()
823 stream->stats.frame.nb_packets++; in uvc_video_stats_decode()
825 stream->stats.frame.nb_empty++; in uvc_video_stats_decode()
828 stream->stats.frame.nb_errors++; in uvc_video_stats_decode()
831 static void uvc_video_stats_update(struct uvc_streaming *stream) in uvc_video_stats_update() argument
833 struct uvc_stats_frame *frame = &stream->stats.frame; in uvc_video_stats_update()
838 stream->sequence, frame->first_data, in uvc_video_stats_update()
846 stream->stats.stream.nb_frames++; in uvc_video_stats_update()
847 stream->stats.stream.nb_packets += stream->stats.frame.nb_packets; in uvc_video_stats_update()
848 stream->stats.stream.nb_empty += stream->stats.frame.nb_empty; in uvc_video_stats_update()
849 stream->stats.stream.nb_errors += stream->stats.frame.nb_errors; in uvc_video_stats_update()
850 stream->stats.stream.nb_invalid += stream->stats.frame.nb_invalid; in uvc_video_stats_update()
853 stream->stats.stream.nb_pts_early++; in uvc_video_stats_update()
855 stream->stats.stream.nb_pts_initial++; in uvc_video_stats_update()
857 stream->stats.stream.nb_pts_constant++; in uvc_video_stats_update()
859 stream->stats.stream.nb_scr_count_ok++; in uvc_video_stats_update()
861 stream->stats.stream.nb_scr_diffs_ok++; in uvc_video_stats_update()
863 memset(&stream->stats.frame, 0, sizeof(stream->stats.frame)); in uvc_video_stats_update()
866 size_t uvc_video_stats_dump(struct uvc_streaming *stream, char *buf, in uvc_video_stats_dump() argument
874 ts.tv_sec = stream->stats.stream.stop_ts.tv_sec in uvc_video_stats_dump()
875 - stream->stats.stream.start_ts.tv_sec; in uvc_video_stats_dump()
876 ts.tv_nsec = stream->stats.stream.stop_ts.tv_nsec in uvc_video_stats_dump()
877 - stream->stats.stream.start_ts.tv_nsec; in uvc_video_stats_dump()
888 scr_sof_freq = stream->stats.stream.scr_sof_count * 1000 in uvc_video_stats_dump()
896 stream->stats.stream.nb_frames, in uvc_video_stats_dump()
897 stream->stats.stream.nb_packets, in uvc_video_stats_dump()
898 stream->stats.stream.nb_empty, in uvc_video_stats_dump()
899 stream->stats.stream.nb_errors, in uvc_video_stats_dump()
900 stream->stats.stream.nb_invalid); in uvc_video_stats_dump()
903 stream->stats.stream.nb_pts_early, in uvc_video_stats_dump()
904 stream->stats.stream.nb_pts_initial, in uvc_video_stats_dump()
905 stream->stats.stream.nb_pts_constant); in uvc_video_stats_dump()
908 stream->stats.stream.nb_scr_count_ok, in uvc_video_stats_dump()
909 stream->stats.stream.nb_scr_diffs_ok); in uvc_video_stats_dump()
912 stream->stats.stream.min_sof, in uvc_video_stats_dump()
913 stream->stats.stream.max_sof, in uvc_video_stats_dump()
919 static void uvc_video_stats_start(struct uvc_streaming *stream) in uvc_video_stats_start() argument
921 memset(&stream->stats, 0, sizeof(stream->stats)); in uvc_video_stats_start()
922 stream->stats.stream.min_sof = 2048; in uvc_video_stats_start()
925 static void uvc_video_stats_stop(struct uvc_streaming *stream) in uvc_video_stats_stop() argument
927 ktime_get_ts(&stream->stats.stream.stop_ts); in uvc_video_stats_stop()
969 static int uvc_video_decode_start(struct uvc_streaming *stream, in uvc_video_decode_start() argument
980 stream->stats.frame.nb_invalid++; in uvc_video_decode_start()
989 if (stream->last_fid != fid) { in uvc_video_decode_start()
990 stream->sequence++; in uvc_video_decode_start()
991 if (stream->sequence) in uvc_video_decode_start()
992 uvc_video_stats_update(stream); in uvc_video_decode_start()
995 uvc_video_clock_decode(stream, buf, data, len); in uvc_video_decode_start()
996 uvc_video_stats_decode(stream, data, len); in uvc_video_decode_start()
1002 stream->last_fid = fid; in uvc_video_decode_start()
1024 if (fid == stream->last_fid) { in uvc_video_decode_start()
1027 if ((stream->dev->quirks & UVC_QUIRK_STREAM_NO_FID) && in uvc_video_decode_start()
1029 stream->last_fid ^= UVC_STREAM_FID; in uvc_video_decode_start()
1036 buf->buf.sequence = stream->sequence; in uvc_video_decode_start()
1060 if (fid != stream->last_fid && buf->bytesused != 0) { in uvc_video_decode_start()
1067 stream->last_fid = fid; in uvc_video_decode_start()
1072 static void uvc_video_decode_data(struct uvc_streaming *stream, in uvc_video_decode_data() argument
1095 static void uvc_video_decode_end(struct uvc_streaming *stream, in uvc_video_decode_end() argument
1104 if (stream->dev->quirks & UVC_QUIRK_STREAM_NO_FID) in uvc_video_decode_end()
1105 stream->last_fid ^= UVC_STREAM_FID; in uvc_video_decode_end()
1120 static int uvc_video_encode_header(struct uvc_streaming *stream, in uvc_video_encode_header() argument
1125 | (stream->last_fid & UVC_STREAM_FID); in uvc_video_encode_header()
1129 static int uvc_video_encode_data(struct uvc_streaming *stream, in uvc_video_encode_data() argument
1132 struct uvc_video_queue *queue = &stream->queue; in uvc_video_encode_data()
1139 nbytes = min(stream->bulk.max_payload_size - stream->bulk.payload_size, in uvc_video_encode_data()
1155 static void uvc_video_validate_buffer(const struct uvc_streaming *stream, in uvc_video_validate_buffer() argument
1158 if (stream->ctrl.dwMaxVideoFrameSize != buf->bytesused && in uvc_video_validate_buffer()
1159 !(stream->cur_format->flags & UVC_FMT_FLAG_COMPRESSED)) in uvc_video_validate_buffer()
1166 static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream, in uvc_video_decode_isoc() argument
1185 ret = uvc_video_decode_start(stream, buf, mem, in uvc_video_decode_isoc()
1188 uvc_video_validate_buffer(stream, buf); in uvc_video_decode_isoc()
1189 buf = uvc_queue_next_buffer(&stream->queue, in uvc_video_decode_isoc()
1198 uvc_video_decode_data(stream, buf, mem + ret, in uvc_video_decode_isoc()
1202 uvc_video_decode_end(stream, buf, mem, in uvc_video_decode_isoc()
1206 uvc_video_validate_buffer(stream, buf); in uvc_video_decode_isoc()
1207 buf = uvc_queue_next_buffer(&stream->queue, buf); in uvc_video_decode_isoc()
1212 static void uvc_video_decode_bulk(struct urb *urb, struct uvc_streaming *stream, in uvc_video_decode_bulk() argument
1222 if (urb->actual_length == 0 && stream->bulk.header_size == 0) in uvc_video_decode_bulk()
1227 stream->bulk.payload_size += len; in uvc_video_decode_bulk()
1232 if (stream->bulk.header_size == 0 && !stream->bulk.skip_payload) { in uvc_video_decode_bulk()
1234 ret = uvc_video_decode_start(stream, buf, mem, len); in uvc_video_decode_bulk()
1236 buf = uvc_queue_next_buffer(&stream->queue, in uvc_video_decode_bulk()
1242 stream->bulk.skip_payload = 1; in uvc_video_decode_bulk()
1244 memcpy(stream->bulk.header, mem, ret); in uvc_video_decode_bulk()
1245 stream->bulk.header_size = ret; in uvc_video_decode_bulk()
1258 if (!stream->bulk.skip_payload && buf != NULL) in uvc_video_decode_bulk()
1259 uvc_video_decode_data(stream, buf, mem, len); in uvc_video_decode_bulk()
1265 stream->bulk.payload_size >= stream->bulk.max_payload_size) { in uvc_video_decode_bulk()
1266 if (!stream->bulk.skip_payload && buf != NULL) { in uvc_video_decode_bulk()
1267 uvc_video_decode_end(stream, buf, stream->bulk.header, in uvc_video_decode_bulk()
1268 stream->bulk.payload_size); in uvc_video_decode_bulk()
1270 buf = uvc_queue_next_buffer(&stream->queue, in uvc_video_decode_bulk()
1274 stream->bulk.header_size = 0; in uvc_video_decode_bulk()
1275 stream->bulk.skip_payload = 0; in uvc_video_decode_bulk()
1276 stream->bulk.payload_size = 0; in uvc_video_decode_bulk()
1280 static void uvc_video_encode_bulk(struct urb *urb, struct uvc_streaming *stream, in uvc_video_encode_bulk() argument
1284 int len = stream->urb_size, ret; in uvc_video_encode_bulk()
1292 if (stream->bulk.header_size == 0) { in uvc_video_encode_bulk()
1293 ret = uvc_video_encode_header(stream, buf, mem, len); in uvc_video_encode_bulk()
1294 stream->bulk.header_size = ret; in uvc_video_encode_bulk()
1295 stream->bulk.payload_size += ret; in uvc_video_encode_bulk()
1301 ret = uvc_video_encode_data(stream, buf, mem, len); in uvc_video_encode_bulk()
1303 stream->bulk.payload_size += ret; in uvc_video_encode_bulk()
1306 if (buf->bytesused == stream->queue.buf_used || in uvc_video_encode_bulk()
1307 stream->bulk.payload_size == stream->bulk.max_payload_size) { in uvc_video_encode_bulk()
1308 if (buf->bytesused == stream->queue.buf_used) { in uvc_video_encode_bulk()
1309 stream->queue.buf_used = 0; in uvc_video_encode_bulk()
1311 buf->buf.sequence = ++stream->sequence; in uvc_video_encode_bulk()
1312 uvc_queue_next_buffer(&stream->queue, buf); in uvc_video_encode_bulk()
1313 stream->last_fid ^= UVC_STREAM_FID; in uvc_video_encode_bulk()
1316 stream->bulk.header_size = 0; in uvc_video_encode_bulk()
1317 stream->bulk.payload_size = 0; in uvc_video_encode_bulk()
1320 urb->transfer_buffer_length = stream->urb_size - len; in uvc_video_encode_bulk()
1325 struct uvc_streaming *stream = urb->context; in uvc_video_complete() local
1326 struct uvc_video_queue *queue = &stream->queue; in uvc_video_complete()
1340 if (stream->frozen) in uvc_video_complete()
1355 stream->decode(urb, stream, buf); in uvc_video_complete()
1366 static void uvc_free_urb_buffers(struct uvc_streaming *stream) in uvc_free_urb_buffers() argument
1371 if (stream->urb_buffer[i]) { in uvc_free_urb_buffers()
1373 usb_free_coherent(stream->dev->udev, stream->urb_size, in uvc_free_urb_buffers()
1374 stream->urb_buffer[i], stream->urb_dma[i]); in uvc_free_urb_buffers()
1376 kfree(stream->urb_buffer[i]); in uvc_free_urb_buffers()
1378 stream->urb_buffer[i] = NULL; in uvc_free_urb_buffers()
1382 stream->urb_size = 0; in uvc_free_urb_buffers()
1396 static int uvc_alloc_urb_buffers(struct uvc_streaming *stream, in uvc_alloc_urb_buffers() argument
1403 if (stream->urb_size) in uvc_alloc_urb_buffers()
1404 return stream->urb_size / psize; in uvc_alloc_urb_buffers()
1416 stream->urb_size = psize * npackets; in uvc_alloc_urb_buffers()
1418 stream->urb_buffer[i] = usb_alloc_coherent( in uvc_alloc_urb_buffers()
1419 stream->dev->udev, stream->urb_size, in uvc_alloc_urb_buffers()
1420 gfp_flags | __GFP_NOWARN, &stream->urb_dma[i]); in uvc_alloc_urb_buffers()
1422 stream->urb_buffer[i] = in uvc_alloc_urb_buffers()
1423 kmalloc(stream->urb_size, gfp_flags | __GFP_NOWARN); in uvc_alloc_urb_buffers()
1425 if (!stream->urb_buffer[i]) { in uvc_alloc_urb_buffers()
1426 uvc_free_urb_buffers(stream); in uvc_alloc_urb_buffers()
1447 static void uvc_uninit_video(struct uvc_streaming *stream, int free_buffers) in uvc_uninit_video() argument
1452 uvc_video_stats_stop(stream); in uvc_uninit_video()
1455 urb = stream->urb[i]; in uvc_uninit_video()
1461 stream->urb[i] = NULL; in uvc_uninit_video()
1465 uvc_free_urb_buffers(stream); in uvc_uninit_video()
1495 static int uvc_init_video_isoc(struct uvc_streaming *stream, in uvc_init_video_isoc() argument
1503 psize = uvc_endpoint_max_bpi(stream->dev->udev, ep); in uvc_init_video_isoc()
1504 size = stream->ctrl.dwMaxVideoFrameSize; in uvc_init_video_isoc()
1506 npackets = uvc_alloc_urb_buffers(stream, size, psize, gfp_flags); in uvc_init_video_isoc()
1515 uvc_uninit_video(stream, 1); in uvc_init_video_isoc()
1519 urb->dev = stream->dev->udev; in uvc_init_video_isoc()
1520 urb->context = stream; in uvc_init_video_isoc()
1521 urb->pipe = usb_rcvisocpipe(stream->dev->udev, in uvc_init_video_isoc()
1525 urb->transfer_dma = stream->urb_dma[i]; in uvc_init_video_isoc()
1530 urb->transfer_buffer = stream->urb_buffer[i]; in uvc_init_video_isoc()
1540 stream->urb[i] = urb; in uvc_init_video_isoc()
1550 static int uvc_init_video_bulk(struct uvc_streaming *stream, in uvc_init_video_bulk() argument
1559 size = stream->ctrl.dwMaxPayloadTransferSize; in uvc_init_video_bulk()
1560 stream->bulk.max_payload_size = size; in uvc_init_video_bulk()
1562 npackets = uvc_alloc_urb_buffers(stream, size, psize, gfp_flags); in uvc_init_video_bulk()
1569 pipe = usb_rcvbulkpipe(stream->dev->udev, in uvc_init_video_bulk()
1572 pipe = usb_sndbulkpipe(stream->dev->udev, in uvc_init_video_bulk()
1575 if (stream->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) in uvc_init_video_bulk()
1581 uvc_uninit_video(stream, 1); in uvc_init_video_bulk()
1585 usb_fill_bulk_urb(urb, stream->dev->udev, pipe, in uvc_init_video_bulk()
1586 stream->urb_buffer[i], size, uvc_video_complete, in uvc_init_video_bulk()
1587 stream); in uvc_init_video_bulk()
1590 urb->transfer_dma = stream->urb_dma[i]; in uvc_init_video_bulk()
1593 stream->urb[i] = urb; in uvc_init_video_bulk()
1602 static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags) in uvc_init_video() argument
1604 struct usb_interface *intf = stream->intf; in uvc_init_video()
1609 stream->sequence = -1; in uvc_init_video()
1610 stream->last_fid = -1; in uvc_init_video()
1611 stream->bulk.header_size = 0; in uvc_init_video()
1612 stream->bulk.skip_payload = 0; in uvc_init_video()
1613 stream->bulk.payload_size = 0; in uvc_init_video()
1615 uvc_video_stats_start(stream); in uvc_init_video()
1622 int intfnum = stream->intfnum; in uvc_init_video()
1625 bandwidth = stream->ctrl.dwMaxPayloadTransferSize; in uvc_init_video()
1642 stream->header.bEndpointAddress); in uvc_init_video()
1647 psize = uvc_endpoint_max_bpi(stream->dev->udev, ep); in uvc_init_video()
1664 ret = usb_set_interface(stream->dev->udev, intfnum, altsetting); in uvc_init_video()
1668 ret = uvc_init_video_isoc(stream, best_ep, gfp_flags); in uvc_init_video()
1672 stream->header.bEndpointAddress); in uvc_init_video()
1676 ret = uvc_init_video_bulk(stream, ep, gfp_flags); in uvc_init_video()
1684 ret = usb_submit_urb(stream->urb[i], gfp_flags); in uvc_init_video()
1688 uvc_uninit_video(stream, 1); in uvc_init_video()
1696 if (stream->dev->quirks & UVC_QUIRK_RESTORE_CTRLS_ON_INIT) in uvc_init_video()
1697 uvc_ctrl_restore_values(stream->dev); in uvc_init_video()
1713 int uvc_video_suspend(struct uvc_streaming *stream) in uvc_video_suspend() argument
1715 if (!uvc_queue_streaming(&stream->queue)) in uvc_video_suspend()
1718 stream->frozen = 1; in uvc_video_suspend()
1719 uvc_uninit_video(stream, 0); in uvc_video_suspend()
1720 usb_set_interface(stream->dev->udev, stream->intfnum, 0); in uvc_video_suspend()
1732 int uvc_video_resume(struct uvc_streaming *stream, int reset) in uvc_video_resume() argument
1742 usb_set_interface(stream->dev->udev, stream->intfnum, 0); in uvc_video_resume()
1744 stream->frozen = 0; in uvc_video_resume()
1746 uvc_video_clock_reset(stream); in uvc_video_resume()
1748 if (!uvc_queue_streaming(&stream->queue)) in uvc_video_resume()
1751 ret = uvc_commit_video(stream, &stream->ctrl); in uvc_video_resume()
1755 return uvc_init_video(stream, GFP_NOIO); in uvc_video_resume()
1772 int uvc_video_init(struct uvc_streaming *stream) in uvc_video_init() argument
1774 struct uvc_streaming_control *probe = &stream->ctrl; in uvc_video_init()
1780 if (stream->nformats == 0) { in uvc_video_init()
1785 atomic_set(&stream->active, 0); in uvc_video_init()
1792 usb_set_interface(stream->dev->udev, stream->intfnum, 0); in uvc_video_init()
1799 if (uvc_get_video_ctrl(stream, probe, 1, UVC_GET_DEF) == 0) in uvc_video_init()
1800 uvc_set_video_ctrl(stream, probe, 1); in uvc_video_init()
1807 ret = uvc_get_video_ctrl(stream, probe, 1, UVC_GET_CUR); in uvc_video_init()
1814 for (i = stream->nformats; i > 0; --i) { in uvc_video_init()
1815 format = &stream->format[i-1]; in uvc_video_init()
1840 stream->def_format = format; in uvc_video_init()
1841 stream->cur_format = format; in uvc_video_init()
1842 stream->cur_frame = frame; in uvc_video_init()
1845 if (stream->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { in uvc_video_init()
1846 if (stream->dev->quirks & UVC_QUIRK_BUILTIN_ISIGHT) in uvc_video_init()
1847 stream->decode = uvc_video_decode_isight; in uvc_video_init()
1848 else if (stream->intf->num_altsetting > 1) in uvc_video_init()
1849 stream->decode = uvc_video_decode_isoc; in uvc_video_init()
1851 stream->decode = uvc_video_decode_bulk; in uvc_video_init()
1853 if (stream->intf->num_altsetting == 1) in uvc_video_init()
1854 stream->decode = uvc_video_encode_bulk; in uvc_video_init()
1868 int uvc_video_enable(struct uvc_streaming *stream, int enable) in uvc_video_enable() argument
1873 uvc_uninit_video(stream, 1); in uvc_video_enable()
1874 if (stream->intf->num_altsetting > 1) { in uvc_video_enable()
1875 usb_set_interface(stream->dev->udev, in uvc_video_enable()
1876 stream->intfnum, 0); in uvc_video_enable()
1883 unsigned int epnum = stream->header.bEndpointAddress in uvc_video_enable()
1885 unsigned int dir = stream->header.bEndpointAddress in uvc_video_enable()
1889 pipe = usb_sndbulkpipe(stream->dev->udev, epnum) | dir; in uvc_video_enable()
1890 usb_clear_halt(stream->dev->udev, pipe); in uvc_video_enable()
1893 uvc_video_clock_cleanup(stream); in uvc_video_enable()
1897 ret = uvc_video_clock_init(stream); in uvc_video_enable()
1902 ret = uvc_commit_video(stream, &stream->ctrl); in uvc_video_enable()
1906 ret = uvc_init_video(stream, GFP_KERNEL); in uvc_video_enable()
1913 usb_set_interface(stream->dev->udev, stream->intfnum, 0); in uvc_video_enable()
1915 uvc_video_clock_cleanup(stream); in uvc_video_enable()