804 hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len,  in hfcsusb_rx_frame()  argument
807 	struct hfcsusb	*hw = fifo->hw;  in hfcsusb_rx_frame()
810 	int		fifon = fifo->fifonum;  in hfcsusb_rx_frame()
819 		       fifo->dch, fifo->bch, fifo->ech);  in hfcsusb_rx_frame()
824 	if ((!!fifo->dch + !!fifo->bch + !!fifo->ech) != 1) {  in hfcsusb_rx_frame()
831 	if (fifo->dch) {  in hfcsusb_rx_frame()
832 		rx_skb = fifo->dch->rx_skb;  in hfcsusb_rx_frame()
833 		maxlen = fifo->dch->maxlen;  in hfcsusb_rx_frame()
836 	if (fifo->bch) {  in hfcsusb_rx_frame()
837 		if (test_bit(FLG_RX_OFF, &fifo->bch->Flags)) {  in hfcsusb_rx_frame()
838 			fifo->bch->dropcnt += len;  in hfcsusb_rx_frame()
842 		maxlen = bchannel_get_rxbuf(fifo->bch, len);  in hfcsusb_rx_frame()
843 		rx_skb = fifo->bch->rx_skb;  in hfcsusb_rx_frame()
848 				hw->name, fifo->bch->nr, len);  in hfcsusb_rx_frame()
852 		maxlen = fifo->bch->maxlen;  in hfcsusb_rx_frame()
853 		hdlc = test_bit(FLG_HDLC, &fifo->bch->Flags);  in hfcsusb_rx_frame()
855 	if (fifo->ech) {  in hfcsusb_rx_frame()
856 		rx_skb = fifo->ech->rx_skb;  in hfcsusb_rx_frame()
857 		maxlen = fifo->ech->maxlen;  in hfcsusb_rx_frame()
861 	if (fifo->dch || fifo->ech) {  in hfcsusb_rx_frame()
865 				if (fifo->dch)  in hfcsusb_rx_frame()
866 					fifo->dch->rx_skb = rx_skb;  in hfcsusb_rx_frame()
867 				if (fifo->ech)  in hfcsusb_rx_frame()
868 					fifo->ech->rx_skb = rx_skb;  in hfcsusb_rx_frame()
910 				if (fifo->dch)  in hfcsusb_rx_frame()
911 					recv_Dchannel(fifo->dch);  in hfcsusb_rx_frame()
912 				if (fifo->bch)  in hfcsusb_rx_frame()
913 					recv_Bchannel(fifo->bch, MISDN_ID_ANY,  in hfcsusb_rx_frame()
915 				if (fifo->ech)  in hfcsusb_rx_frame()
916 					recv_Echannel(fifo->ech,  in hfcsusb_rx_frame()
935 		recv_Bchannel(fifo->bch, MISDN_ID_ANY, false);  in hfcsusb_rx_frame()
967 	struct usb_fifo *fifo = context_iso_urb->owner_fifo;  in rx_iso_complete()  local
968 	struct hfcsusb *hw = fifo->hw;  in rx_iso_complete()
976 	fifon = fifo->fifonum;  in rx_iso_complete()
980 	if (fifo->stop_gracefull) {  in rx_iso_complete()
981 		fifo->stop_gracefull = 0;  in rx_iso_complete()
982 		fifo->active = 0;  in rx_iso_complete()
1003 	if (fifo->active && !status) {  in rx_iso_complete()
1005 		maxlen = fifo->usb_packet_maxlen;  in rx_iso_complete()
1033 				if (fifo->last_urblen != maxlen) {  in rx_iso_complete()
1046 						hfcsusb_rx_frame(fifo, buf + 2,  in rx_iso_complete()
1050 					hfcsusb_rx_frame(fifo, buf, len,  in rx_iso_complete()
1053 				fifo->last_urblen = len;  in rx_iso_complete()
1064 		fill_isoc_urb(urb, fifo->hw->dev, fifo->pipe,  in rx_iso_complete()
1066 			      fifo->usb_packet_maxlen, fifo->intervall,  in rx_iso_complete()
1089 	struct usb_fifo *fifo = (struct usb_fifo *) urb->context;  in rx_int_complete()  local
1090 	struct hfcsusb *hw = fifo->hw;  in rx_int_complete()
1095 	if (fifo->stop_gracefull) {  in rx_int_complete()
1096 		fifo->stop_gracefull = 0;  in rx_int_complete()
1097 		fifo->active = 0;  in rx_int_complete()
1103 	fifon = fifo->fifonum;  in rx_int_complete()
1104 	if ((!fifo->active) || (urb->status)) {  in rx_int_complete()
1110 		fifo->urb->interval = 0; /* cancel automatic rescheduling */  in rx_int_complete()
1114 	buf = fifo->buffer;  in rx_int_complete()
1115 	maxlen = fifo->usb_packet_maxlen;  in rx_int_complete()
1126 	if (fifo->last_urblen != fifo->usb_packet_maxlen) {  in rx_int_complete()
1139 			hfcsusb_rx_frame(fifo, buf + 2,  in rx_int_complete()
1143 		hfcsusb_rx_frame(fifo, buf, urb->actual_length,  in rx_int_complete()
1146 	fifo->last_urblen = urb->actual_length;  in rx_int_complete()
1161 	struct usb_fifo *fifo = context_iso_urb->owner_fifo;  in tx_iso_complete()  local
1162 	struct hfcsusb *hw = fifo->hw;  in tx_iso_complete()
1172 	if (fifo->stop_gracefull) {  in tx_iso_complete()
1173 		fifo->stop_gracefull = 0;  in tx_iso_complete()
1174 		fifo->active = 0;  in tx_iso_complete()
1179 	if (fifo->dch) {  in tx_iso_complete()
1180 		tx_skb = fifo->dch->tx_skb;  in tx_iso_complete()
1181 		tx_idx = &fifo->dch->tx_idx;  in tx_iso_complete()
1183 	} else if (fifo->bch) {  in tx_iso_complete()
1184 		tx_skb = fifo->bch->tx_skb;  in tx_iso_complete()
1185 		tx_idx = &fifo->bch->tx_idx;  in tx_iso_complete()
1186 		hdlc = test_bit(FLG_HDLC, &fifo->bch->Flags);  in tx_iso_complete()
1188 		    test_bit(FLG_FILLEMPTY, &fifo->bch->Flags))  in tx_iso_complete()
1197 	fifon = fifo->fifonum;  in tx_iso_complete()
1216 	if (fifo->active && !status) {  in tx_iso_complete()
1226 		fill_isoc_urb(urb, fifo->hw->dev, fifo->pipe,  in tx_iso_complete()
1228 			      fifo->usb_packet_maxlen, fifo->intervall,  in tx_iso_complete()
1254 				fifo->bit_line -= sink;  in tx_iso_complete()
1255 				current_len = (0 - fifo->bit_line) / 8;  in tx_iso_complete()
1264 				fifo->bit_line += current_len * 8;  in tx_iso_complete()
1274 						fifo->bit_line += 32;  in tx_iso_complete()
1282 					memset(p, fifo->bch->fill[0],  in tx_iso_complete()
1318 				fifo->bit_line -= sink;  in tx_iso_complete()
1319 				if (fifo->bit_line < BITLINE_INF)  in tx_iso_complete()
1320 					fifo->bit_line = BITLINE_INF;  in tx_iso_complete()
1340 				if (fifo->dch && get_next_dframe(fifo->dch))  in tx_iso_complete()
1341 					tx_skb = fifo->dch->tx_skb;  in tx_iso_complete()
1342 				else if (fifo->bch &&  in tx_iso_complete()
1343 					 get_next_bframe(fifo->bch))  in tx_iso_complete()
1344 					tx_skb = fifo->bch->tx_skb;  in tx_iso_complete()
1381 start_isoc_chain(struct usb_fifo *fifo, int num_packets_per_urb,  in start_isoc_chain()  argument
1384 	struct hfcsusb *hw = fifo->hw;  in start_isoc_chain()
1389 		       hw->name, __func__, fifo->fifonum);  in start_isoc_chain()
1393 		if (!(fifo->iso[i].urb)) {  in start_isoc_chain()
1394 			fifo->iso[i].urb =  in start_isoc_chain()
1396 			if (!(fifo->iso[i].urb)) {  in start_isoc_chain()
1399 				       hw->name, __func__, fifo->fifonum);  in start_isoc_chain()
1402 			fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo;  in start_isoc_chain()
1403 			fifo->iso[i].indx = i;  in start_isoc_chain()
1407 			    (fifo->usb_packet_maxlen *  in start_isoc_chain()
1409 				fill_isoc_urb(fifo->iso[i].urb,  in start_isoc_chain()
1410 					      fifo->hw->dev, fifo->pipe,  in start_isoc_chain()
1411 					      fifo->iso[i].buffer,  in start_isoc_chain()
1413 					      fifo->usb_packet_maxlen,  in start_isoc_chain()
1414 					      fifo->intervall, complete,  in start_isoc_chain()
1415 					      &fifo->iso[i]);  in start_isoc_chain()
1416 				memset(fifo->iso[i].buffer, 0,  in start_isoc_chain()
1417 				       sizeof(fifo->iso[i].buffer));  in start_isoc_chain()
1420 					fifo->iso[i].urb->  in start_isoc_chain()
1423 					fifo->iso[i].urb->  in start_isoc_chain()
1433 		fifo->bit_line = BITLINE_INF;  in start_isoc_chain()
1435 		errcode = usb_submit_urb(fifo->iso[i].urb, GFP_KERNEL);  in start_isoc_chain()
1436 		fifo->active = (errcode >= 0) ? 1 : 0;  in start_isoc_chain()
1437 		fifo->stop_gracefull = 0;  in start_isoc_chain()
1444 	return fifo->active;  in start_isoc_chain()
1448 stop_iso_gracefull(struct usb_fifo *fifo)  in stop_iso_gracefull()  argument
1450 	struct hfcsusb *hw = fifo->hw;  in stop_iso_gracefull()
1458 			       hw->name, __func__, fifo->fifonum, i);  in stop_iso_gracefull()
1459 		fifo->stop_gracefull = 1;  in stop_iso_gracefull()
1465 		while (fifo->stop_gracefull && timeout--)  in stop_iso_gracefull()
1467 		if (debug && fifo->stop_gracefull)  in stop_iso_gracefull()
1469 			       hw->name, __func__, fifo->fifonum, i);  in stop_iso_gracefull()
1474 stop_int_gracefull(struct usb_fifo *fifo)  in stop_int_gracefull()  argument
1476 	struct hfcsusb *hw = fifo->hw;  in stop_int_gracefull()
1483 		       hw->name, __func__, fifo->fifonum);  in stop_int_gracefull()
1484 	fifo->stop_gracefull = 1;  in stop_int_gracefull()
1488 	while (fifo->stop_gracefull && timeout--)  in stop_int_gracefull()
1490 	if (debug && fifo->stop_gracefull)  in stop_int_gracefull()
1492 		       hw->name, __func__, fifo->fifonum);  in stop_int_gracefull()
1497 start_int_fifo(struct usb_fifo *fifo)  in start_int_fifo()  argument
1499 	struct hfcsusb *hw = fifo->hw;  in start_int_fifo()
1504 		       hw->name, __func__, fifo->fifonum);  in start_int_fifo()
1506 	if (!fifo->urb) {  in start_int_fifo()
1507 		fifo->urb = usb_alloc_urb(0, GFP_KERNEL);  in start_int_fifo()
1508 		if (!fifo->urb)  in start_int_fifo()
1511 	usb_fill_int_urb(fifo->urb, fifo->hw->dev, fifo->pipe,  in start_int_fifo()
1512 			 fifo->buffer, fifo->usb_packet_maxlen,  in start_int_fifo()
1513 			 (usb_complete_t)rx_int_complete, fifo, fifo->intervall);  in start_int_fifo()
1514 	fifo->active = 1;  in start_int_fifo()
1515 	fifo->stop_gracefull = 0;  in start_int_fifo()
1516 	errcode = usb_submit_urb(fifo->urb, GFP_KERNEL);  in start_int_fifo()
1520 		fifo->active = 0;  in start_int_fifo()
1549 	struct usb_fifo *fifo;  in reset_hfcsusb()  local
1576 	fifo = hw->fifos;  in reset_hfcsusb()
1579 		fifo[i].max_size =  in reset_hfcsusb()
1581 		fifo[i].last_urblen = 0;  in reset_hfcsusb()