148 	struct bchannel		bch[2];  member
321 	if (test_bit(FLG_ACTIVE, &hc->bch[0].Flags) &&  in Sel_BCS()
322 	    (hc->bch[0].nr & channel))  in Sel_BCS()
323 		return &hc->bch[0];  in Sel_BCS()
324 	else if (test_bit(FLG_ACTIVE, &hc->bch[1].Flags) &&  in Sel_BCS()
325 		 (hc->bch[1].nr & channel))  in Sel_BCS()
326 		return &hc->bch[1];  in Sel_BCS()
379 	if (hc->bch[fifo].debug & DEBUG_HW_BCHANNEL)  in hfcpci_clear_fifo_tx()
393 	if (hc->bch[fifo].debug & DEBUG_HW_BCHANNEL)  in hfcpci_clear_fifo_tx()
405 hfcpci_empty_bfifo(struct bchannel *bch, struct bzfifo *bz,  in hfcpci_empty_bfifo()  argument
412 	if ((bch->debug & DEBUG_HW_BCHANNEL) && !(bch->debug & DEBUG_HW_BFIFO))  in hfcpci_empty_bfifo()
421 		if (bch->debug & DEBUG_HW)  in hfcpci_empty_bfifo()
425 		bch->err_inv++;  in hfcpci_empty_bfifo()
430 		bch->rx_skb = mI_alloc_skb(count - 3, GFP_ATOMIC);  in hfcpci_empty_bfifo()
431 		if (!bch->rx_skb) {  in hfcpci_empty_bfifo()
436 		ptr = skb_put(bch->rx_skb, count);  in hfcpci_empty_bfifo()
456 		recv_Bchannel(bch, MISDN_ID_ANY, false);  in hfcpci_empty_bfifo()
546 hfcpci_empty_fifo_trans(struct bchannel *bch, struct bzfifo *rxbz,  in hfcpci_empty_fifo_trans()  argument
575 	if (test_bit(FLG_RX_OFF, &bch->Flags)) {  in hfcpci_empty_fifo_trans()
576 		bch->dropcnt += fcnt_rx;  in hfcpci_empty_fifo_trans()
580 	maxlen = bchannel_get_rxbuf(bch, fcnt_rx);  in hfcpci_empty_fifo_trans()
583 			   bch->nr, fcnt_rx);  in hfcpci_empty_fifo_trans()
585 		ptr = skb_put(bch->rx_skb, fcnt_rx);  in hfcpci_empty_fifo_trans()
602 		recv_Bchannel(bch, fcnt_tx, false); /* bch, id, !force */  in hfcpci_empty_fifo_trans()
611 main_rec_hfcpci(struct bchannel *bch)  in main_rec_hfcpci()  argument
613 	struct hfc_pci	*hc = bch->hw;  in main_rec_hfcpci()
620 	if ((bch->nr & 2) && (!hc->hw.bswapped)) {  in main_rec_hfcpci()
634 		if (bch->debug & DEBUG_HW_BCHANNEL)  in main_rec_hfcpci()
636 			       bch->nr, rxbz->f1, rxbz->f2);  in main_rec_hfcpci()
643 		if (bch->debug & DEBUG_HW_BCHANNEL)  in main_rec_hfcpci()
646 			       bch->nr, le16_to_cpu(zp->z1),  in main_rec_hfcpci()
648 		hfcpci_empty_bfifo(bch, rxbz, bdata, rcnt);  in main_rec_hfcpci()
661 	} else if (test_bit(FLG_TRANSPARENT, &bch->Flags)) {  in main_rec_hfcpci()
662 		hfcpci_empty_fifo_trans(bch, rxbz, txbz, bdata);  in main_rec_hfcpci()
752 hfcpci_fill_fifo(struct bchannel *bch)  in hfcpci_fill_fifo()  argument
754 	struct hfc_pci	*hc = bch->hw;  in hfcpci_fill_fifo()
762 	if ((bch->debug & DEBUG_HW_BCHANNEL) && !(bch->debug & DEBUG_HW_BFIFO))  in hfcpci_fill_fifo()
764 	if ((!bch->tx_skb) || bch->tx_skb->len == 0) {  in hfcpci_fill_fifo()
765 		if (!test_bit(FLG_FILLEMPTY, &bch->Flags) &&  in hfcpci_fill_fifo()
766 		    !test_bit(FLG_TRANSPARENT, &bch->Flags))  in hfcpci_fill_fifo()
770 		count = bch->tx_skb->len - bch->tx_idx;  in hfcpci_fill_fifo()
772 	if ((bch->nr & 2) && (!hc->hw.bswapped)) {  in hfcpci_fill_fifo()
780 	if (test_bit(FLG_TRANSPARENT, &bch->Flags)) {  in hfcpci_fill_fifo()
783 		if (bch->debug & DEBUG_HW_BCHANNEL)  in hfcpci_fill_fifo()
785 			       "cnt(%d) z1(%x) z2(%x)\n", bch->nr, count,  in hfcpci_fill_fifo()
790 		if (test_bit(FLG_FILLEMPTY, &bch->Flags)) {  in hfcpci_fill_fifo()
801 			if (bch->debug & DEBUG_HW_BFIFO)  in hfcpci_fill_fifo()
807 			memset(dst, bch->fill[0], maxlen); /* first copy */  in hfcpci_fill_fifo()
811 				memset(dst, bch->fill[0], count);  in hfcpci_fill_fifo()
821 		count = bch->tx_skb->len - bch->tx_idx;  in hfcpci_fill_fifo()
832 		src = bch->tx_skb->data + bch->tx_idx;  in hfcpci_fill_fifo()
837 		if (bch->debug & DEBUG_HW_BFIFO)  in hfcpci_fill_fifo()
842 		bch->tx_idx += count;  in hfcpci_fill_fifo()
853 		if (bch->tx_idx < bch->tx_skb->len)  in hfcpci_fill_fifo()
855 		dev_kfree_skb(bch->tx_skb);  in hfcpci_fill_fifo()
856 		if (get_next_bframe(bch))  in hfcpci_fill_fifo()
860 	if (bch->debug & DEBUG_HW_BCHANNEL)  in hfcpci_fill_fifo()
863 		       __func__, bch->nr, bz->f1, bz->f2,  in hfcpci_fill_fifo()
869 		if (bch->debug & DEBUG_HW_BCHANNEL)  in hfcpci_fill_fifo()
880 	if (bch->debug & DEBUG_HW_BCHANNEL)  in hfcpci_fill_fifo()
882 		       bch->nr, count, maxlen);  in hfcpci_fill_fifo()
885 		if (bch->debug & DEBUG_HW_BCHANNEL)  in hfcpci_fill_fifo()
895 	src = bch->tx_skb->data + bch->tx_idx;	/* source pointer */  in hfcpci_fill_fifo()
911 	dev_kfree_skb(bch->tx_skb);  in hfcpci_fill_fifo()
912 	get_next_bframe(bch);  in hfcpci_fill_fifo()
1130 tx_birq(struct bchannel *bch)  in tx_birq()  argument
1132 	if (bch->tx_skb && bch->tx_idx < bch->tx_skb->len)  in tx_birq()
1133 		hfcpci_fill_fifo(bch);  in tx_birq()
1135 		if (bch->tx_skb)  in tx_birq()
1136 			dev_kfree_skb(bch->tx_skb);  in tx_birq()
1137 		if (get_next_bframe(bch))  in tx_birq()
1138 			hfcpci_fill_fifo(bch);  in tx_birq()
1160 	struct bchannel	*bch;  in hfcpci_int()  local
1202 		bch = Sel_BCS(hc, hc->hw.bswapped ? 2 : 1);  in hfcpci_int()
1203 		if (bch)  in hfcpci_int()
1204 			main_rec_hfcpci(bch);  in hfcpci_int()
1209 		bch = Sel_BCS(hc, 2);  in hfcpci_int()
1210 		if (bch)  in hfcpci_int()
1211 			main_rec_hfcpci(bch);  in hfcpci_int()
1216 		bch = Sel_BCS(hc, hc->hw.bswapped ? 2 : 1);  in hfcpci_int()
1217 		if (bch)  in hfcpci_int()
1218 			tx_birq(bch);  in hfcpci_int()
1223 		bch = Sel_BCS(hc, 2);  in hfcpci_int()
1224 		if (bch)  in hfcpci_int()
1225 			tx_birq(bch);  in hfcpci_int()
1252 mode_hfcpci(struct bchannel *bch, int bc, int protocol)  in mode_hfcpci()  argument
1254 	struct hfc_pci	*hc = bch->hw;  in mode_hfcpci()
1258 	if (bch->debug & DEBUG_HW_BCHANNEL)  in mode_hfcpci()
1261 		       bch->state, protocol, bch->nr, bc);  in mode_hfcpci()
1296 		bch->state = -1;  in mode_hfcpci()
1297 		bch->nr = bc;  in mode_hfcpci()
1299 		if (bch->state == ISDN_P_NONE)  in mode_hfcpci()
1318 		if (bch->nr & 2)  in mode_hfcpci()
1323 		bch->state = ISDN_P_NONE;  in mode_hfcpci()
1324 		bch->nr = bc;  in mode_hfcpci()
1325 		test_and_clear_bit(FLG_HDLC, &bch->Flags);  in mode_hfcpci()
1326 		test_and_clear_bit(FLG_TRANSPARENT, &bch->Flags);  in mode_hfcpci()
1329 		bch->state = protocol;  in mode_hfcpci()
1330 		bch->nr = bc;  in mode_hfcpci()
1361 		test_and_set_bit(FLG_TRANSPARENT, &bch->Flags);  in mode_hfcpci()
1364 		bch->state = protocol;  in mode_hfcpci()
1365 		bch->nr = bc;  in mode_hfcpci()
1390 		test_and_set_bit(FLG_HDLC, &bch->Flags);  in mode_hfcpci()
1444 set_hfcpci_rxtest(struct bchannel *bch, int protocol, int chan)  in set_hfcpci_rxtest()  argument
1446 	struct hfc_pci	*hc = bch->hw;  in set_hfcpci_rxtest()
1448 	if (bch->debug & DEBUG_HW_BCHANNEL)  in set_hfcpci_rxtest()
1451 		       bch->state, protocol, bch->nr, chan);  in set_hfcpci_rxtest()
1452 	if (bch->nr != chan) {  in set_hfcpci_rxtest()
1455 		       bch->nr, chan);  in set_hfcpci_rxtest()
1460 		bch->state = protocol;  in set_hfcpci_rxtest()
1485 		bch->state = protocol;  in set_hfcpci_rxtest()
1519 deactivate_bchannel(struct bchannel *bch)  in deactivate_bchannel()  argument
1521 	struct hfc_pci	*hc = bch->hw;  in deactivate_bchannel()
1525 	mISDN_clear_bchannel(bch);  in deactivate_bchannel()
1526 	mode_hfcpci(bch, bch->nr, ISDN_P_NONE);  in deactivate_bchannel()
1534 channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq)  in channel_bctrl()  argument
1536 	return mISDN_ctrl_bchannel(bch, cq);  in channel_bctrl()
1541 	struct bchannel	*bch = container_of(ch, struct bchannel, ch);  in hfc_bctrl()  local
1542 	struct hfc_pci	*hc = bch->hw;  in hfc_bctrl()
1546 	if (bch->debug & DEBUG_HW)  in hfc_bctrl()
1551 		ret = set_hfcpci_rxtest(bch, ISDN_P_B_RAW, (int)(long)arg);  in hfc_bctrl()
1556 		ret = set_hfcpci_rxtest(bch, ISDN_P_B_HDLC, (int)(long)arg);  in hfc_bctrl()
1561 		mode_hfcpci(bch, bch->nr, ISDN_P_NONE);  in hfc_bctrl()
1566 		test_and_clear_bit(FLG_OPEN, &bch->Flags);  in hfc_bctrl()
1567 		deactivate_bchannel(bch);  in hfc_bctrl()
1574 		ret = channel_bctrl(bch, arg);  in hfc_bctrl()
1673 	struct bchannel		*bch = container_of(ch, struct bchannel, ch);  in hfcpci_l2l1B()  local
1674 	struct hfc_pci		*hc = bch->hw;  in hfcpci_l2l1B()
1682 		ret = bchannel_senddata(bch, skb);  in hfcpci_l2l1B()
1684 			hfcpci_fill_fifo(bch);  in hfcpci_l2l1B()
1691 		if (!test_and_set_bit(FLG_ACTIVE, &bch->Flags))  in hfcpci_l2l1B()
1692 			ret = mode_hfcpci(bch, bch->nr, ch->protocol);  in hfcpci_l2l1B()
1701 		deactivate_bchannel(bch);  in hfcpci_l2l1B()
1724 	mode_hfcpci(&hc->bch[0], 1, -1);  in inithfcpci()
1725 	mode_hfcpci(&hc->bch[1], 2, -1);  in inithfcpci()
1943 	struct bchannel		*bch;  in open_bchannel()  local
1949 	bch = &hc->bch[rq->adr.channel - 1];  in open_bchannel()
1950 	if (test_and_set_bit(FLG_OPEN, &bch->Flags))  in open_bchannel()
1952 	bch->ch.protocol = rq->protocol;  in open_bchannel()
1953 	rq->ch = &bch->ch; /* TODO: E-channel */  in open_bchannel()
2062 	mode_hfcpci(&hc->bch[0], 1, ISDN_P_NONE);  in release_card()
2063 	mode_hfcpci(&hc->bch[1], 2, ISDN_P_NONE);  in release_card()
2075 	mISDN_freebchannel(&hc->bch[1]);  in release_card()
2076 	mISDN_freebchannel(&hc->bch[0]);  in release_card()
2100 		card->bch[i].nr = i + 1;  in setup_card()
2102 		card->bch[i].debug = debug;  in setup_card()
2103 		mISDN_initbchannel(&card->bch[i], MAX_DATA_MEM, poll >> 1);  in setup_card()
2104 		card->bch[i].hw = card;  in setup_card()
2105 		card->bch[i].ch.send = hfcpci_l2l1B;  in setup_card()
2106 		card->bch[i].ch.ctrl = hfc_bctrl;  in setup_card()
2107 		card->bch[i].ch.nr = i + 1;  in setup_card()
2108 		list_add(&card->bch[i].ch.list, &card->dch.dev.bchannels);  in setup_card()
2121 	mISDN_freebchannel(&card->bch[1]);  in setup_card()
2122 	mISDN_freebchannel(&card->bch[0]);  in setup_card()
2274 	struct bchannel *bch;  in _hfcpci_softirq()  local
2280 		bch = Sel_BCS(hc, hc->hw.bswapped ? 2 : 1);  in _hfcpci_softirq()
2281 		if (bch && bch->state == ISDN_P_B_RAW) { /* B1 rx&tx */  in _hfcpci_softirq()
2282 			main_rec_hfcpci(bch);  in _hfcpci_softirq()
2283 			tx_birq(bch);  in _hfcpci_softirq()
2285 		bch = Sel_BCS(hc, hc->hw.bswapped ? 1 : 2);  in _hfcpci_softirq()
2286 		if (bch && bch->state == ISDN_P_B_RAW) { /* B2 rx&tx */  in _hfcpci_softirq()
2287 			main_rec_hfcpci(bch);  in _hfcpci_softirq()
2288 			tx_birq(bch);  in _hfcpci_softirq()