61 static int  hfcsusb_setup_bch(struct bchannel *bch, int protocol);
62 static void deactivate_bchannel(struct bchannel *bch);
212 	struct bchannel		*bch = container_of(ch, struct bchannel, ch);  in hfcusb_l2l1B()  local
213 	struct hfcsusb		*hw = bch->hw;  in hfcusb_l2l1B()
224 		ret = bchannel_senddata(bch, skb);  in hfcusb_l2l1B()
233 		if (!test_and_set_bit(FLG_ACTIVE, &bch->Flags)) {  in hfcusb_l2l1B()
234 			hfcsusb_start_endpoint(hw, bch->nr - 1);  in hfcusb_l2l1B()
235 			ret = hfcsusb_setup_bch(bch, ch->protocol);  in hfcusb_l2l1B()
243 		deactivate_bchannel(bch);  in hfcusb_l2l1B()
272 		phi->bch[i].protocol = hw->bch[i].ch.protocol;  in hfcsusb_ph_info()
273 		phi->bch[i].Flags = hw->bch[i].Flags;  in hfcsusb_ph_info()
480 	struct bchannel		*bch;  in open_bchannel()  local
491 	bch = &hw->bch[rq->adr.channel - 1];  in open_bchannel()
492 	if (test_and_set_bit(FLG_OPEN, &bch->Flags))  in open_bchannel()
494 	bch->ch.protocol = rq->protocol;  in open_bchannel()
495 	rq->ch = &bch->ch;  in open_bchannel()
693 hfcsusb_setup_bch(struct bchannel *bch, int protocol)  in hfcsusb_setup_bch()  argument
695 	struct hfcsusb *hw = bch->hw;  in hfcsusb_setup_bch()
700 		       hw->name, __func__, bch->state, protocol,  in hfcsusb_setup_bch()
701 		       bch->nr);  in hfcsusb_setup_bch()
710 		bch->state = -1;  in hfcsusb_setup_bch()
713 		if (bch->state == ISDN_P_NONE)  in hfcsusb_setup_bch()
715 		bch->state = ISDN_P_NONE;  in hfcsusb_setup_bch()
716 		clear_bit(FLG_HDLC, &bch->Flags);  in hfcsusb_setup_bch()
717 		clear_bit(FLG_TRANSPARENT, &bch->Flags);  in hfcsusb_setup_bch()
721 		bch->state = protocol;  in hfcsusb_setup_bch()
722 		set_bit(FLG_TRANSPARENT, &bch->Flags);  in hfcsusb_setup_bch()
725 		bch->state = protocol;  in hfcsusb_setup_bch()
726 		set_bit(FLG_HDLC, &bch->Flags);  in hfcsusb_setup_bch()
736 		write_reg(hw, HFCUSB_FIFO, (bch->nr == 1) ? 0 : 2);  in hfcsusb_setup_bch()
739 		write_reg(hw, HFCUSB_FIFO, (bch->nr == 1) ? 1 : 3);  in hfcsusb_setup_bch()
745 		if (test_bit(FLG_ACTIVE, &hw->bch[0].Flags)) {  in hfcsusb_setup_bch()
749 		if (test_bit(FLG_ACTIVE, &hw->bch[1].Flags)) {  in hfcsusb_setup_bch()
757 			handle_led(hw, (bch->nr == 1) ? LED_B1_ON : LED_B2_ON);  in hfcsusb_setup_bch()
759 			handle_led(hw, (bch->nr == 1) ? LED_B1_OFF :  in hfcsusb_setup_bch()
806 channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq)  in channel_bctrl()  argument
808 	return mISDN_ctrl_bchannel(bch, cq);  in channel_bctrl()
827 		       fifo->dch, fifo->bch, fifo->ech);  in hfcsusb_rx_frame()
832 	if ((!!fifo->dch + !!fifo->bch + !!fifo->ech) != 1) {  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()
920 				if (fifo->bch)  in hfcsusb_rx_frame()
921 					recv_Bchannel(fifo->bch, MISDN_ID_ANY,  in hfcsusb_rx_frame()
943 		recv_Bchannel(fifo->bch, MISDN_ID_ANY, false);  in hfcsusb_rx_frame()
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()
1287 					memset(p, fifo->bch->fill[0],  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()
1760 	mISDN_freebchannel(&hw->bch[1]);  in release_hw()
1761 	mISDN_freebchannel(&hw->bch[0]);  in release_hw()
1778 deactivate_bchannel(struct bchannel *bch)  in deactivate_bchannel()  argument
1780 	struct hfcsusb *hw = bch->hw;  in deactivate_bchannel()
1783 	if (bch->debug & DEBUG_HW)  in deactivate_bchannel()
1785 		       hw->name, __func__, bch->nr);  in deactivate_bchannel()
1788 	mISDN_clear_bchannel(bch);  in deactivate_bchannel()
1790 	hfcsusb_setup_bch(bch, ISDN_P_NONE);  in deactivate_bchannel()
1791 	hfcsusb_stop_endpoint(hw, bch->nr - 1);  in deactivate_bchannel()
1800 	struct bchannel	*bch = container_of(ch, struct bchannel, ch);  in hfc_bctrl()  local
1803 	if (bch->debug & DEBUG_HW)  in hfc_bctrl()
1814 		test_and_clear_bit(FLG_OPEN, &bch->Flags);  in hfc_bctrl()
1815 		deactivate_bchannel(bch);  in hfc_bctrl()
1822 		ret = channel_bctrl(bch, arg);  in hfc_bctrl()
1858 		hw->bch[i].nr = i + 1;  in setup_instance()
1860 		hw->bch[i].debug = debug;  in setup_instance()
1861 		mISDN_initbchannel(&hw->bch[i], MAX_DATA_MEM, poll >> 1);  in setup_instance()
1862 		hw->bch[i].hw = hw;  in setup_instance()
1863 		hw->bch[i].ch.send = hfcusb_l2l1B;  in setup_instance()
1864 		hw->bch[i].ch.ctrl = hfc_bctrl;  in setup_instance()
1865 		hw->bch[i].ch.nr = i + 1;  in setup_instance()
1866 		list_add(&hw->bch[i].ch.list, &hw->dch.dev.bchannels);  in setup_instance()
1869 	hw->fifos[HFCUSB_B1_TX].bch = &hw->bch[0];  in setup_instance()
1870 	hw->fifos[HFCUSB_B1_RX].bch = &hw->bch[0];  in setup_instance()
1871 	hw->fifos[HFCUSB_B2_TX].bch = &hw->bch[1];  in setup_instance()
1872 	hw->fifos[HFCUSB_B2_RX].bch = &hw->bch[1];  in setup_instance()
1898 	mISDN_freebchannel(&hw->bch[1]);  in setup_instance()
1899 	mISDN_freebchannel(&hw->bch[0]);  in setup_instance()