47 static int  hfcsusb_setup_bch(struct bchannel *bch, int protocol);
48 static void deactivate_bchannel(struct bchannel *bch);
198 	struct bchannel		*bch = container_of(ch, struct bchannel, ch);  in hfcusb_l2l1B()  local
199 	struct hfcsusb		*hw = bch->hw;  in hfcusb_l2l1B()
210 		ret = bchannel_senddata(bch, skb);  in hfcusb_l2l1B()
219 		if (!test_and_set_bit(FLG_ACTIVE, &bch->Flags)) {  in hfcusb_l2l1B()
220 			hfcsusb_start_endpoint(hw, bch->nr - 1);  in hfcusb_l2l1B()
221 			ret = hfcsusb_setup_bch(bch, ch->protocol);  in hfcusb_l2l1B()
229 		deactivate_bchannel(bch);  in hfcusb_l2l1B()
251 	phi = kzalloc(struct_size(phi, bch, dch->dev.nrbchan), GFP_ATOMIC);  in hfcsusb_ph_info()
260 		phi->bch[i].protocol = hw->bch[i].ch.protocol;  in hfcsusb_ph_info()
261 		phi->bch[i].Flags = hw->bch[i].Flags;  in hfcsusb_ph_info()
264 		    struct_size(phi, bch, dch->dev.nrbchan), phi, GFP_ATOMIC);  in hfcsusb_ph_info()
467 	struct bchannel		*bch;  in open_bchannel()  local
478 	bch = &hw->bch[rq->adr.channel - 1];  in open_bchannel()
479 	if (test_and_set_bit(FLG_OPEN, &bch->Flags))  in open_bchannel()
481 	bch->ch.protocol = rq->protocol;  in open_bchannel()
482 	rq->ch = &bch->ch;  in open_bchannel()
680 hfcsusb_setup_bch(struct bchannel *bch, int protocol)  in hfcsusb_setup_bch()  argument
682 	struct hfcsusb *hw = bch->hw;  in hfcsusb_setup_bch()
687 		       hw->name, __func__, bch->state, protocol,  in hfcsusb_setup_bch()
688 		       bch->nr);  in hfcsusb_setup_bch()
697 		bch->state = -1;  in hfcsusb_setup_bch()
700 		if (bch->state == ISDN_P_NONE)  in hfcsusb_setup_bch()
702 		bch->state = ISDN_P_NONE;  in hfcsusb_setup_bch()
703 		clear_bit(FLG_HDLC, &bch->Flags);  in hfcsusb_setup_bch()
704 		clear_bit(FLG_TRANSPARENT, &bch->Flags);  in hfcsusb_setup_bch()
708 		bch->state = protocol;  in hfcsusb_setup_bch()
709 		set_bit(FLG_TRANSPARENT, &bch->Flags);  in hfcsusb_setup_bch()
712 		bch->state = protocol;  in hfcsusb_setup_bch()
713 		set_bit(FLG_HDLC, &bch->Flags);  in hfcsusb_setup_bch()
723 		write_reg(hw, HFCUSB_FIFO, (bch->nr == 1) ? 0 : 2);  in hfcsusb_setup_bch()
726 		write_reg(hw, HFCUSB_FIFO, (bch->nr == 1) ? 1 : 3);  in hfcsusb_setup_bch()
732 		if (test_bit(FLG_ACTIVE, &hw->bch[0].Flags)) {  in hfcsusb_setup_bch()
736 		if (test_bit(FLG_ACTIVE, &hw->bch[1].Flags)) {  in hfcsusb_setup_bch()
744 			handle_led(hw, (bch->nr == 1) ? LED_B1_ON : LED_B2_ON);  in hfcsusb_setup_bch()
746 			handle_led(hw, (bch->nr == 1) ? LED_B1_OFF :  in hfcsusb_setup_bch()
793 channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq)  in channel_bctrl()  argument
795 	return mISDN_ctrl_bchannel(bch, cq);  in channel_bctrl()
813 		       "dch(%p) bch(%p) ech(%p)\n",  in hfcsusb_rx_frame()
815 		       fifo->dch, fifo->bch, fifo->ech);  in hfcsusb_rx_frame()
820 	if ((!!fifo->dch + !!fifo->bch + !!fifo->ech) != 1) {  in hfcsusb_rx_frame()
832 	if (fifo->bch) {  in hfcsusb_rx_frame()
833 		if (test_bit(FLG_RX_OFF, &fifo->bch->Flags)) {  in hfcsusb_rx_frame()
834 			fifo->bch->dropcnt += len;  in hfcsusb_rx_frame()
838 		maxlen = bchannel_get_rxbuf(fifo->bch, len);  in hfcsusb_rx_frame()
839 		rx_skb = fifo->bch->rx_skb;  in hfcsusb_rx_frame()
844 				hw->name, fifo->bch->nr, len);  in hfcsusb_rx_frame()
848 		maxlen = fifo->bch->maxlen;  in hfcsusb_rx_frame()
849 		hdlc = test_bit(FLG_HDLC, &fifo->bch->Flags);  in hfcsusb_rx_frame()
908 				if (fifo->bch)  in hfcsusb_rx_frame()
909 					recv_Bchannel(fifo->bch, MISDN_ID_ANY,  in hfcsusb_rx_frame()
931 		recv_Bchannel(fifo->bch, MISDN_ID_ANY, false);  in hfcsusb_rx_frame()
1179 	} else if (fifo->bch) {  in tx_iso_complete()
1180 		tx_skb = fifo->bch->tx_skb;  in tx_iso_complete()
1181 		tx_idx = &fifo->bch->tx_idx;  in tx_iso_complete()
1182 		hdlc = test_bit(FLG_HDLC, &fifo->bch->Flags);  in tx_iso_complete()
1184 		    test_bit(FLG_FILLEMPTY, &fifo->bch->Flags))  in tx_iso_complete()
1187 		printk(KERN_DEBUG "%s: %s: neither BCH nor DCH\n",  in tx_iso_complete()
1278 					memset(p, fifo->bch->fill[0],  in tx_iso_complete()
1338 				else if (fifo->bch &&  in tx_iso_complete()
1339 					 get_next_bframe(fifo->bch))  in tx_iso_complete()
1340 					tx_skb = fifo->bch->tx_skb;  in tx_iso_complete()
1762 	mISDN_freebchannel(&hw->bch[1]);  in release_hw()
1763 	mISDN_freebchannel(&hw->bch[0]);  in release_hw()
1780 deactivate_bchannel(struct bchannel *bch)  in deactivate_bchannel()  argument
1782 	struct hfcsusb *hw = bch->hw;  in deactivate_bchannel()
1785 	if (bch->debug & DEBUG_HW)  in deactivate_bchannel()
1786 		printk(KERN_DEBUG "%s: %s: bch->nr(%i)\n",  in deactivate_bchannel()
1787 		       hw->name, __func__, bch->nr);  in deactivate_bchannel()
1790 	mISDN_clear_bchannel(bch);  in deactivate_bchannel()
1792 	hfcsusb_setup_bch(bch, ISDN_P_NONE);  in deactivate_bchannel()
1793 	hfcsusb_stop_endpoint(hw, bch->nr - 1);  in deactivate_bchannel()
1802 	struct bchannel	*bch = container_of(ch, struct bchannel, ch);  in hfc_bctrl()  local
1805 	if (bch->debug & DEBUG_HW)  in hfc_bctrl()
1816 		test_and_clear_bit(FLG_OPEN, &bch->Flags);  in hfc_bctrl()
1817 		deactivate_bchannel(bch);  in hfc_bctrl()
1824 		ret = channel_bctrl(bch, arg);  in hfc_bctrl()
1860 		hw->bch[i].nr = i + 1;  in setup_instance()
1862 		hw->bch[i].debug = debug;  in setup_instance()
1863 		mISDN_initbchannel(&hw->bch[i], MAX_DATA_MEM, poll >> 1);  in setup_instance()
1864 		hw->bch[i].hw = hw;  in setup_instance()
1865 		hw->bch[i].ch.send = hfcusb_l2l1B;  in setup_instance()
1866 		hw->bch[i].ch.ctrl = hfc_bctrl;  in setup_instance()
1867 		hw->bch[i].ch.nr = i + 1;  in setup_instance()
1868 		list_add(&hw->bch[i].ch.list, &hw->dch.dev.bchannels);  in setup_instance()
1871 	hw->fifos[HFCUSB_B1_TX].bch = &hw->bch[0];  in setup_instance()
1872 	hw->fifos[HFCUSB_B1_RX].bch = &hw->bch[0];  in setup_instance()
1873 	hw->fifos[HFCUSB_B2_TX].bch = &hw->bch[1];  in setup_instance()
1874 	hw->fifos[HFCUSB_B2_RX].bch = &hw->bch[1];  in setup_instance()
1900 	mISDN_freebchannel(&hw->bch[1]);  in setup_instance()
1901 	mISDN_freebchannel(&hw->bch[0]);  in setup_instance()