803 hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len,  in hfcsusb_rx_frame()  argument
806 	struct hfcsusb	*hw = fifo->hw;  in hfcsusb_rx_frame()
809 	int		fifon = fifo->fifonum;  in hfcsusb_rx_frame()
818 		       fifo->dch, fifo->bch, fifo->ech);  in hfcsusb_rx_frame()
823 	if ((!!fifo->dch + !!fifo->bch + !!fifo->ech) != 1) {  in hfcsusb_rx_frame()
830 	if (fifo->dch) {  in hfcsusb_rx_frame()
831 		rx_skb = fifo->dch->rx_skb;  in hfcsusb_rx_frame()
832 		maxlen = fifo->dch->maxlen;  in hfcsusb_rx_frame()
835 	if (fifo->bch) {  in hfcsusb_rx_frame()
836 		if (test_bit(FLG_RX_OFF, &fifo->bch->Flags)) {  in hfcsusb_rx_frame()
837 			fifo->bch->dropcnt += len;  in hfcsusb_rx_frame()
841 		maxlen = bchannel_get_rxbuf(fifo->bch, len);  in hfcsusb_rx_frame()
842 		rx_skb = fifo->bch->rx_skb;  in hfcsusb_rx_frame()
847 				hw->name, fifo->bch->nr, len);  in hfcsusb_rx_frame()
851 		maxlen = fifo->bch->maxlen;  in hfcsusb_rx_frame()
852 		hdlc = test_bit(FLG_HDLC, &fifo->bch->Flags);  in hfcsusb_rx_frame()
854 	if (fifo->ech) {  in hfcsusb_rx_frame()
855 		rx_skb = fifo->ech->rx_skb;  in hfcsusb_rx_frame()
856 		maxlen = fifo->ech->maxlen;  in hfcsusb_rx_frame()
860 	if (fifo->dch || fifo->ech) {  in hfcsusb_rx_frame()
864 				if (fifo->dch)  in hfcsusb_rx_frame()
865 					fifo->dch->rx_skb = rx_skb;  in hfcsusb_rx_frame()
866 				if (fifo->ech)  in hfcsusb_rx_frame()
867 					fifo->ech->rx_skb = rx_skb;  in hfcsusb_rx_frame()
909 				if (fifo->dch)  in hfcsusb_rx_frame()
910 					recv_Dchannel(fifo->dch);  in hfcsusb_rx_frame()
911 				if (fifo->bch)  in hfcsusb_rx_frame()
912 					recv_Bchannel(fifo->bch, MISDN_ID_ANY,  in hfcsusb_rx_frame()
914 				if (fifo->ech)  in hfcsusb_rx_frame()
915 					recv_Echannel(fifo->ech,  in hfcsusb_rx_frame()
934 		recv_Bchannel(fifo->bch, MISDN_ID_ANY, false);  in hfcsusb_rx_frame()
966 	struct usb_fifo *fifo = context_iso_urb->owner_fifo;  in rx_iso_complete()  local
967 	struct hfcsusb *hw = fifo->hw;  in rx_iso_complete()
975 	fifon = fifo->fifonum;  in rx_iso_complete()
979 	if (fifo->stop_gracefull) {  in rx_iso_complete()
980 		fifo->stop_gracefull = 0;  in rx_iso_complete()
981 		fifo->active = 0;  in rx_iso_complete()
1002 	if (fifo->active && !status) {  in rx_iso_complete()
1004 		maxlen = fifo->usb_packet_maxlen;  in rx_iso_complete()
1032 				if (fifo->last_urblen != maxlen) {  in rx_iso_complete()
1045 						hfcsusb_rx_frame(fifo, buf + 2,  in rx_iso_complete()
1049 					hfcsusb_rx_frame(fifo, buf, len,  in rx_iso_complete()
1052 				fifo->last_urblen = len;  in rx_iso_complete()
1063 		fill_isoc_urb(urb, fifo->hw->dev, fifo->pipe,  in rx_iso_complete()
1065 			      fifo->usb_packet_maxlen, fifo->intervall,  in rx_iso_complete()
1088 	struct usb_fifo *fifo = (struct usb_fifo *) urb->context;  in rx_int_complete()  local
1089 	struct hfcsusb *hw = fifo->hw;  in rx_int_complete()
1094 	if (fifo->stop_gracefull) {  in rx_int_complete()
1095 		fifo->stop_gracefull = 0;  in rx_int_complete()
1096 		fifo->active = 0;  in rx_int_complete()
1102 	fifon = fifo->fifonum;  in rx_int_complete()
1103 	if ((!fifo->active) || (urb->status)) {  in rx_int_complete()
1109 		fifo->urb->interval = 0; /* cancel automatic rescheduling */  in rx_int_complete()
1113 	buf = fifo->buffer;  in rx_int_complete()
1114 	maxlen = fifo->usb_packet_maxlen;  in rx_int_complete()
1125 	if (fifo->last_urblen != fifo->usb_packet_maxlen) {  in rx_int_complete()
1138 			hfcsusb_rx_frame(fifo, buf + 2,  in rx_int_complete()
1142 		hfcsusb_rx_frame(fifo, buf, urb->actual_length,  in rx_int_complete()
1145 	fifo->last_urblen = urb->actual_length;  in rx_int_complete()
1160 	struct usb_fifo *fifo = context_iso_urb->owner_fifo;  in tx_iso_complete()  local
1161 	struct hfcsusb *hw = fifo->hw;  in tx_iso_complete()
1171 	if (fifo->stop_gracefull) {  in tx_iso_complete()
1172 		fifo->stop_gracefull = 0;  in tx_iso_complete()
1173 		fifo->active = 0;  in tx_iso_complete()
1178 	if (fifo->dch) {  in tx_iso_complete()
1179 		tx_skb = fifo->dch->tx_skb;  in tx_iso_complete()
1180 		tx_idx = &fifo->dch->tx_idx;  in tx_iso_complete()
1182 	} else if (fifo->bch) {  in tx_iso_complete()
1183 		tx_skb = fifo->bch->tx_skb;  in tx_iso_complete()
1184 		tx_idx = &fifo->bch->tx_idx;  in tx_iso_complete()
1185 		hdlc = test_bit(FLG_HDLC, &fifo->bch->Flags);  in tx_iso_complete()
1187 		    test_bit(FLG_FILLEMPTY, &fifo->bch->Flags))  in tx_iso_complete()
1196 	fifon = fifo->fifonum;  in tx_iso_complete()
1215 	if (fifo->active && !status) {  in tx_iso_complete()
1225 		fill_isoc_urb(urb, fifo->hw->dev, fifo->pipe,  in tx_iso_complete()
1227 			      fifo->usb_packet_maxlen, fifo->intervall,  in tx_iso_complete()
1253 				fifo->bit_line -= sink;  in tx_iso_complete()
1254 				current_len = (0 - fifo->bit_line) / 8;  in tx_iso_complete()
1263 				fifo->bit_line += current_len * 8;  in tx_iso_complete()
1273 						fifo->bit_line += 32;  in tx_iso_complete()
1281 					memset(p, fifo->bch->fill[0],  in tx_iso_complete()
1317 				fifo->bit_line -= sink;  in tx_iso_complete()
1318 				if (fifo->bit_line < BITLINE_INF)  in tx_iso_complete()
1319 					fifo->bit_line = BITLINE_INF;  in tx_iso_complete()
1339 				if (fifo->dch && get_next_dframe(fifo->dch))  in tx_iso_complete()
1340 					tx_skb = fifo->dch->tx_skb;  in tx_iso_complete()
1341 				else if (fifo->bch &&  in tx_iso_complete()
1342 					 get_next_bframe(fifo->bch))  in tx_iso_complete()
1343 					tx_skb = fifo->bch->tx_skb;  in tx_iso_complete()
1380 start_isoc_chain(struct usb_fifo *fifo, int num_packets_per_urb,  in start_isoc_chain()  argument
1383 	struct hfcsusb *hw = fifo->hw;  in start_isoc_chain()
1388 		       hw->name, __func__, fifo->fifonum);  in start_isoc_chain()
1392 		if (!(fifo->iso[i].urb)) {  in start_isoc_chain()
1393 			fifo->iso[i].urb =  in start_isoc_chain()
1395 			if (!(fifo->iso[i].urb)) {  in start_isoc_chain()
1398 				       hw->name, __func__, fifo->fifonum);  in start_isoc_chain()
1401 			fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo;  in start_isoc_chain()
1402 			fifo->iso[i].indx = i;  in start_isoc_chain()
1406 			    (fifo->usb_packet_maxlen *  in start_isoc_chain()
1408 				fill_isoc_urb(fifo->iso[i].urb,  in start_isoc_chain()
1409 					      fifo->hw->dev, fifo->pipe,  in start_isoc_chain()
1410 					      fifo->iso[i].buffer,  in start_isoc_chain()
1412 					      fifo->usb_packet_maxlen,  in start_isoc_chain()
1413 					      fifo->intervall, complete,  in start_isoc_chain()
1414 					      &fifo->iso[i]);  in start_isoc_chain()
1415 				memset(fifo->iso[i].buffer, 0,  in start_isoc_chain()
1416 				       sizeof(fifo->iso[i].buffer));  in start_isoc_chain()
1419 					fifo->iso[i].urb->  in start_isoc_chain()
1422 					fifo->iso[i].urb->  in start_isoc_chain()
1432 		fifo->bit_line = BITLINE_INF;  in start_isoc_chain()
1434 		errcode = usb_submit_urb(fifo->iso[i].urb, GFP_KERNEL);  in start_isoc_chain()
1435 		fifo->active = (errcode >= 0) ? 1 : 0;  in start_isoc_chain()
1436 		fifo->stop_gracefull = 0;  in start_isoc_chain()
1443 	return fifo->active;  in start_isoc_chain()
1447 stop_iso_gracefull(struct usb_fifo *fifo)  in stop_iso_gracefull()  argument
1449 	struct hfcsusb *hw = fifo->hw;  in stop_iso_gracefull()
1457 			       hw->name, __func__, fifo->fifonum, i);  in stop_iso_gracefull()
1458 		fifo->stop_gracefull = 1;  in stop_iso_gracefull()
1464 		while (fifo->stop_gracefull && timeout--)  in stop_iso_gracefull()
1466 		if (debug && fifo->stop_gracefull)  in stop_iso_gracefull()
1468 			       hw->name, __func__, fifo->fifonum, i);  in stop_iso_gracefull()
1473 stop_int_gracefull(struct usb_fifo *fifo)  in stop_int_gracefull()  argument
1475 	struct hfcsusb *hw = fifo->hw;  in stop_int_gracefull()
1482 		       hw->name, __func__, fifo->fifonum);  in stop_int_gracefull()
1483 	fifo->stop_gracefull = 1;  in stop_int_gracefull()
1487 	while (fifo->stop_gracefull && timeout--)  in stop_int_gracefull()
1489 	if (debug && fifo->stop_gracefull)  in stop_int_gracefull()
1491 		       hw->name, __func__, fifo->fifonum);  in stop_int_gracefull()
1496 start_int_fifo(struct usb_fifo *fifo)  in start_int_fifo()  argument
1498 	struct hfcsusb *hw = fifo->hw;  in start_int_fifo()
1503 		       hw->name, __func__, fifo->fifonum);  in start_int_fifo()
1505 	if (!fifo->urb) {  in start_int_fifo()
1506 		fifo->urb = usb_alloc_urb(0, GFP_KERNEL);  in start_int_fifo()
1507 		if (!fifo->urb)  in start_int_fifo()
1510 	usb_fill_int_urb(fifo->urb, fifo->hw->dev, fifo->pipe,  in start_int_fifo()
1511 			 fifo->buffer, fifo->usb_packet_maxlen,  in start_int_fifo()
1512 			 (usb_complete_t)rx_int_complete, fifo, fifo->intervall);  in start_int_fifo()
1513 	fifo->active = 1;  in start_int_fifo()
1514 	fifo->stop_gracefull = 0;  in start_int_fifo()
1515 	errcode = usb_submit_urb(fifo->urb, GFP_KERNEL);  in start_int_fifo()
1519 		fifo->active = 0;  in start_int_fifo()
1548 	struct usb_fifo *fifo;  in reset_hfcsusb()  local
1575 	fifo = hw->fifos;  in reset_hfcsusb()
1578 		fifo[i].max_size =  in reset_hfcsusb()
1580 		fifo[i].last_urblen = 0;  in reset_hfcsusb()