813 hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len,  in hfcsusb_rx_frame()  argument
816 	struct hfcsusb	*hw = fifo->hw;  in hfcsusb_rx_frame()
819 	int		fifon = fifo->fifonum;  in hfcsusb_rx_frame()
827 		       fifo->dch, fifo->bch, fifo->ech);  in hfcsusb_rx_frame()
832 	if ((!!fifo->dch + !!fifo->bch + !!fifo->ech) != 1) {  in hfcsusb_rx_frame()
839 	if (fifo->dch) {  in hfcsusb_rx_frame()
840 		rx_skb = fifo->dch->rx_skb;  in hfcsusb_rx_frame()
841 		maxlen = fifo->dch->maxlen;  in hfcsusb_rx_frame()
844 	if (fifo->bch) {  in hfcsusb_rx_frame()
845 		if (test_bit(FLG_RX_OFF, &fifo->bch->Flags)) {  in hfcsusb_rx_frame()
846 			fifo->bch->dropcnt += len;  in hfcsusb_rx_frame()
850 		maxlen = bchannel_get_rxbuf(fifo->bch, len);  in hfcsusb_rx_frame()
851 		rx_skb = fifo->bch->rx_skb;  in hfcsusb_rx_frame()
856 				   hw->name, fifo->bch->nr, len);  in hfcsusb_rx_frame()
860 		maxlen = fifo->bch->maxlen;  in hfcsusb_rx_frame()
861 		hdlc = test_bit(FLG_HDLC, &fifo->bch->Flags);  in hfcsusb_rx_frame()
863 	if (fifo->ech) {  in hfcsusb_rx_frame()
864 		rx_skb = fifo->ech->rx_skb;  in hfcsusb_rx_frame()
865 		maxlen = fifo->ech->maxlen;  in hfcsusb_rx_frame()
869 	if (fifo->dch || fifo->ech) {  in hfcsusb_rx_frame()
873 				if (fifo->dch)  in hfcsusb_rx_frame()
874 					fifo->dch->rx_skb = rx_skb;  in hfcsusb_rx_frame()
875 				if (fifo->ech)  in hfcsusb_rx_frame()
876 					fifo->ech->rx_skb = rx_skb;  in hfcsusb_rx_frame()
918 				if (fifo->dch)  in hfcsusb_rx_frame()
919 					recv_Dchannel(fifo->dch);  in hfcsusb_rx_frame()
920 				if (fifo->bch)  in hfcsusb_rx_frame()
921 					recv_Bchannel(fifo->bch, MISDN_ID_ANY,  in hfcsusb_rx_frame()
923 				if (fifo->ech)  in hfcsusb_rx_frame()
924 					recv_Echannel(fifo->ech,  in hfcsusb_rx_frame()
943 		recv_Bchannel(fifo->bch, MISDN_ID_ANY, false);  in hfcsusb_rx_frame()
975 	struct usb_fifo *fifo = context_iso_urb->owner_fifo;  in rx_iso_complete()  local
976 	struct hfcsusb *hw = fifo->hw;  in rx_iso_complete()
983 	fifon = fifo->fifonum;  in rx_iso_complete()
987 	if (fifo->stop_gracefull) {  in rx_iso_complete()
988 		fifo->stop_gracefull = 0;  in rx_iso_complete()
989 		fifo->active = 0;  in rx_iso_complete()
1010 	if (fifo->active && !status) {  in rx_iso_complete()
1012 		maxlen = fifo->usb_packet_maxlen;  in rx_iso_complete()
1040 				if (fifo->last_urblen != maxlen) {  in rx_iso_complete()
1053 						hfcsusb_rx_frame(fifo, buf + 2,  in rx_iso_complete()
1057 					hfcsusb_rx_frame(fifo, buf, len,  in rx_iso_complete()
1060 				fifo->last_urblen = len;  in rx_iso_complete()
1071 		fill_isoc_urb(urb, fifo->hw->dev, fifo->pipe,  in rx_iso_complete()
1073 			      fifo->usb_packet_maxlen, fifo->intervall,  in rx_iso_complete()
1096 	struct usb_fifo *fifo = (struct usb_fifo *) urb->context;  in rx_int_complete()  local
1097 	struct hfcsusb *hw = fifo->hw;  in rx_int_complete()
1101 	if (fifo->stop_gracefull) {  in rx_int_complete()
1102 		fifo->stop_gracefull = 0;  in rx_int_complete()
1103 		fifo->active = 0;  in rx_int_complete()
1109 	fifon = fifo->fifonum;  in rx_int_complete()
1110 	if ((!fifo->active) || (urb->status)) {  in rx_int_complete()
1116 		fifo->urb->interval = 0; /* cancel automatic rescheduling */  in rx_int_complete()
1120 	buf = fifo->buffer;  in rx_int_complete()
1121 	maxlen = fifo->usb_packet_maxlen;  in rx_int_complete()
1132 	if (fifo->last_urblen != fifo->usb_packet_maxlen) {  in rx_int_complete()
1145 			hfcsusb_rx_frame(fifo, buf + 2,  in rx_int_complete()
1149 		hfcsusb_rx_frame(fifo, buf, urb->actual_length,  in rx_int_complete()
1152 	fifo->last_urblen = urb->actual_length;  in rx_int_complete()
1167 	struct usb_fifo *fifo = context_iso_urb->owner_fifo;  in tx_iso_complete()  local
1168 	struct hfcsusb *hw = fifo->hw;  in tx_iso_complete()
1177 	if (fifo->stop_gracefull) {  in tx_iso_complete()
1178 		fifo->stop_gracefull = 0;  in tx_iso_complete()
1179 		fifo->active = 0;  in tx_iso_complete()
1184 	if (fifo->dch) {  in tx_iso_complete()
1185 		tx_skb = fifo->dch->tx_skb;  in tx_iso_complete()
1186 		tx_idx = &fifo->dch->tx_idx;  in tx_iso_complete()
1188 	} else if (fifo->bch) {  in tx_iso_complete()
1189 		tx_skb = fifo->bch->tx_skb;  in tx_iso_complete()
1190 		tx_idx = &fifo->bch->tx_idx;  in tx_iso_complete()
1191 		hdlc = test_bit(FLG_HDLC, &fifo->bch->Flags);  in tx_iso_complete()
1193 		    test_bit(FLG_FILLEMPTY, &fifo->bch->Flags))  in tx_iso_complete()
1202 	fifon = fifo->fifonum;  in tx_iso_complete()
1221 	if (fifo->active && !status) {  in tx_iso_complete()
1231 		fill_isoc_urb(urb, fifo->hw->dev, fifo->pipe,  in tx_iso_complete()
1233 			      fifo->usb_packet_maxlen, fifo->intervall,  in tx_iso_complete()
1259 				fifo->bit_line -= sink;  in tx_iso_complete()
1260 				current_len = (0 - fifo->bit_line) / 8;  in tx_iso_complete()
1269 				fifo->bit_line += current_len * 8;  in tx_iso_complete()
1279 						fifo->bit_line += 32;  in tx_iso_complete()
1287 					memset(p, fifo->bch->fill[0],  in tx_iso_complete()
1323 				fifo->bit_line -= sink;  in tx_iso_complete()
1324 				if (fifo->bit_line < BITLINE_INF)  in tx_iso_complete()
1325 					fifo->bit_line = BITLINE_INF;  in tx_iso_complete()
1345 				if (fifo->dch && get_next_dframe(fifo->dch))  in tx_iso_complete()
1346 					tx_skb = fifo->dch->tx_skb;  in tx_iso_complete()
1347 				else if (fifo->bch &&  in tx_iso_complete()
1348 					 get_next_bframe(fifo->bch))  in tx_iso_complete()
1349 					tx_skb = fifo->bch->tx_skb;  in tx_iso_complete()
1386 start_isoc_chain(struct usb_fifo *fifo, int num_packets_per_urb,  in start_isoc_chain()  argument
1389 	struct hfcsusb *hw = fifo->hw;  in start_isoc_chain()
1394 		       hw->name, __func__, fifo->fifonum);  in start_isoc_chain()
1398 		if (!(fifo->iso[i].urb)) {  in start_isoc_chain()
1399 			fifo->iso[i].urb =  in start_isoc_chain()
1401 			if (!(fifo->iso[i].urb)) {  in start_isoc_chain()
1404 				       hw->name, __func__, fifo->fifonum);  in start_isoc_chain()
1406 			fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo;  in start_isoc_chain()
1407 			fifo->iso[i].indx = i;  in start_isoc_chain()
1411 			    (fifo->usb_packet_maxlen *  in start_isoc_chain()
1413 				fill_isoc_urb(fifo->iso[i].urb,  in start_isoc_chain()
1414 					      fifo->hw->dev, fifo->pipe,  in start_isoc_chain()
1415 					      fifo->iso[i].buffer,  in start_isoc_chain()
1417 					      fifo->usb_packet_maxlen,  in start_isoc_chain()
1418 					      fifo->intervall, complete,  in start_isoc_chain()
1419 					      &fifo->iso[i]);  in start_isoc_chain()
1420 				memset(fifo->iso[i].buffer, 0,  in start_isoc_chain()
1421 				       sizeof(fifo->iso[i].buffer));  in start_isoc_chain()
1424 					fifo->iso[i].urb->  in start_isoc_chain()
1427 					fifo->iso[i].urb->  in start_isoc_chain()
1437 		fifo->bit_line = BITLINE_INF;  in start_isoc_chain()
1439 		errcode = usb_submit_urb(fifo->iso[i].urb, GFP_KERNEL);  in start_isoc_chain()
1440 		fifo->active = (errcode >= 0) ? 1 : 0;  in start_isoc_chain()
1441 		fifo->stop_gracefull = 0;  in start_isoc_chain()
1448 	return fifo->active;  in start_isoc_chain()
1452 stop_iso_gracefull(struct usb_fifo *fifo)  in stop_iso_gracefull()  argument
1454 	struct hfcsusb *hw = fifo->hw;  in stop_iso_gracefull()
1462 			       hw->name, __func__, fifo->fifonum, i);  in stop_iso_gracefull()
1463 		fifo->stop_gracefull = 1;  in stop_iso_gracefull()
1469 		while (fifo->stop_gracefull && timeout--)  in stop_iso_gracefull()
1471 		if (debug && fifo->stop_gracefull)  in stop_iso_gracefull()
1473 			       hw->name, __func__, fifo->fifonum, i);  in stop_iso_gracefull()
1478 stop_int_gracefull(struct usb_fifo *fifo)  in stop_int_gracefull()  argument
1480 	struct hfcsusb *hw = fifo->hw;  in stop_int_gracefull()
1487 		       hw->name, __func__, fifo->fifonum);  in stop_int_gracefull()
1488 	fifo->stop_gracefull = 1;  in stop_int_gracefull()
1492 	while (fifo->stop_gracefull && timeout--)  in stop_int_gracefull()
1494 	if (debug && fifo->stop_gracefull)  in stop_int_gracefull()
1496 		       hw->name, __func__, fifo->fifonum);  in stop_int_gracefull()
1501 start_int_fifo(struct usb_fifo *fifo)  in start_int_fifo()  argument
1503 	struct hfcsusb *hw = fifo->hw;  in start_int_fifo()
1508 		       hw->name, __func__, fifo->fifonum);  in start_int_fifo()
1510 	if (!fifo->urb) {  in start_int_fifo()
1511 		fifo->urb = usb_alloc_urb(0, GFP_KERNEL);  in start_int_fifo()
1512 		if (!fifo->urb)  in start_int_fifo()
1515 	usb_fill_int_urb(fifo->urb, fifo->hw->dev, fifo->pipe,  in start_int_fifo()
1516 			 fifo->buffer, fifo->usb_packet_maxlen,  in start_int_fifo()
1517 			 (usb_complete_t)rx_int_complete, fifo, fifo->intervall);  in start_int_fifo()
1518 	fifo->active = 1;  in start_int_fifo()
1519 	fifo->stop_gracefull = 0;  in start_int_fifo()
1520 	errcode = usb_submit_urb(fifo->urb, GFP_KERNEL);  in start_int_fifo()
1524 		fifo->active = 0;  in start_int_fifo()
1553 	struct usb_fifo *fifo;  in reset_hfcsusb()  local
1580 	fifo = hw->fifos;  in reset_hfcsusb()
1583 		fifo[i].max_size =  in reset_hfcsusb()
1585 		fifo[i].last_urblen = 0;  in reset_hfcsusb()