132 static int mcs_set_reg(struct mcs_cb *mcs, __u16 reg, __u16 val)  in mcs_set_reg()  argument
134 	struct usb_device *dev = mcs->usbdev;  in mcs_set_reg()
141 static int mcs_get_reg(struct mcs_cb *mcs, __u16 reg, __u16 * val)  in mcs_get_reg()  argument
143 	struct usb_device *dev = mcs->usbdev;  in mcs_get_reg()
158 static inline int mcs_setup_transceiver_vishay(struct mcs_cb *mcs)  in mcs_setup_transceiver_vishay()  argument
164 	ret = mcs_get_reg(mcs, MCS_XCVR_REG, &rval);  in mcs_setup_transceiver_vishay()
178 	ret = mcs_set_reg(mcs, MCS_XCVR_REG, rval);  in mcs_setup_transceiver_vishay()
183 	ret = mcs_set_reg(mcs, MCS_XCVR_REG, rval);  in mcs_setup_transceiver_vishay()
188 	ret = mcs_set_reg(mcs, MCS_XCVR_REG, rval);  in mcs_setup_transceiver_vishay()
198 static inline int mcs_setup_transceiver_agilent(struct mcs_cb *mcs)  in mcs_setup_transceiver_agilent()  argument
205 static inline int mcs_setup_transceiver_sharp(struct mcs_cb *mcs)  in mcs_setup_transceiver_sharp()  argument
212 static inline int mcs_setup_transceiver(struct mcs_cb *mcs)  in mcs_setup_transceiver()  argument
223 	ret = mcs_get_reg(mcs, MCS_MODE_REG, &rval);  in mcs_setup_transceiver()
227 	ret = mcs_set_reg(mcs, MCS_MODE_REG, rval);  in mcs_setup_transceiver()
232 	ret = mcs_set_reg(mcs, MCS_MINRXPW_REG, rval);  in mcs_setup_transceiver()
236 	ret = mcs_get_reg(mcs, MCS_MODE_REG, &rval);  in mcs_setup_transceiver()
241 	if(mcs->sir_tweak)  in mcs_setup_transceiver()
251 	mcs->speed = 9600;  in mcs_setup_transceiver()
252 	mcs->new_speed = 0;		/* new_speed is set to 0 */  in mcs_setup_transceiver()
260 	ret = mcs_set_reg(mcs, MCS_MODE_REG, rval);  in mcs_setup_transceiver()
265 	switch (mcs->transceiver_type) {  in mcs_setup_transceiver()
267 		ret = mcs_setup_transceiver_vishay(mcs);  in mcs_setup_transceiver()
271 		ret = mcs_setup_transceiver_sharp(mcs);  in mcs_setup_transceiver()
275 		ret = mcs_setup_transceiver_agilent(mcs);  in mcs_setup_transceiver()
280 				     mcs->transceiver_type);  in mcs_setup_transceiver()
289 	if (mcs->transceiver_type != MCS_TSC_SHARP) {  in mcs_setup_transceiver()
291 		ret = mcs_get_reg(mcs, MCS_XCVR_REG, &rval);  in mcs_setup_transceiver()
294 		if (mcs->receive_mode)  in mcs_setup_transceiver()
298 		ret = mcs_set_reg(mcs, MCS_XCVR_REG, rval);  in mcs_setup_transceiver()
305 	ret = mcs_get_reg(mcs, MCS_MODE_REG, &rval);  in mcs_setup_transceiver()
311 	ret = mcs_set_reg(mcs, MCS_MODE_REG, rval);  in mcs_setup_transceiver()
390 static void mcs_unwrap_mir(struct mcs_cb *mcs, __u8 *buf, int len)  in mcs_unwrap_mir()  argument
403 				    mcs->netdev->name, new_len);  in mcs_unwrap_mir()
404 		++mcs->netdev->stats.rx_errors;  in mcs_unwrap_mir()
405 		++mcs->netdev->stats.rx_length_errors;  in mcs_unwrap_mir()
414 		mcs->netdev->stats.rx_errors++;  in mcs_unwrap_mir()
415 		mcs->netdev->stats.rx_crc_errors++;  in mcs_unwrap_mir()
421 		++mcs->netdev->stats.rx_dropped;  in mcs_unwrap_mir()
430 	skb->dev = mcs->netdev;  in mcs_unwrap_mir()
434 	mcs->netdev->stats.rx_packets++;  in mcs_unwrap_mir()
435 	mcs->netdev->stats.rx_bytes += new_len;  in mcs_unwrap_mir()
442 static void mcs_unwrap_fir(struct mcs_cb *mcs, __u8 *buf, int len)  in mcs_unwrap_fir()  argument
456 				    mcs->netdev->name, new_len);  in mcs_unwrap_fir()
457 		++mcs->netdev->stats.rx_errors;  in mcs_unwrap_fir()
458 		++mcs->netdev->stats.rx_length_errors;  in mcs_unwrap_fir()
466 		mcs->netdev->stats.rx_errors++;  in mcs_unwrap_fir()
467 		mcs->netdev->stats.rx_crc_errors++;  in mcs_unwrap_fir()
473 		++mcs->netdev->stats.rx_dropped;  in mcs_unwrap_fir()
482 	skb->dev = mcs->netdev;  in mcs_unwrap_fir()
486 	mcs->netdev->stats.rx_packets++;  in mcs_unwrap_fir()
487 	mcs->netdev->stats.rx_bytes += new_len;  in mcs_unwrap_fir()
495 static inline int mcs_setup_urbs(struct mcs_cb *mcs)  in mcs_setup_urbs()  argument
497 	mcs->rx_urb = NULL;  in mcs_setup_urbs()
499 	mcs->tx_urb = usb_alloc_urb(0, GFP_KERNEL);  in mcs_setup_urbs()
500 	if (!mcs->tx_urb)  in mcs_setup_urbs()
503 	mcs->rx_urb = usb_alloc_urb(0, GFP_KERNEL);  in mcs_setup_urbs()
504 	if (!mcs->rx_urb) {  in mcs_setup_urbs()
505 		usb_free_urb(mcs->tx_urb);  in mcs_setup_urbs()
506 		mcs->tx_urb = NULL;  in mcs_setup_urbs()
517 static inline int mcs_receive_start(struct mcs_cb *mcs)  in mcs_receive_start()  argument
519 	mcs->rx_buff.in_frame = FALSE;  in mcs_receive_start()
520 	mcs->rx_buff.state = OUTSIDE_FRAME;  in mcs_receive_start()
522 	usb_fill_bulk_urb(mcs->rx_urb, mcs->usbdev,  in mcs_receive_start()
523 			  usb_rcvbulkpipe(mcs->usbdev, mcs->ep_in),  in mcs_receive_start()
524 			  mcs->in_buf, 4096, mcs_receive_irq, mcs);  in mcs_receive_start()
526 	mcs->rx_urb->status = 0;  in mcs_receive_start()
527 	return usb_submit_urb(mcs->rx_urb, GFP_KERNEL);  in mcs_receive_start()
531 static inline int mcs_find_endpoints(struct mcs_cb *mcs,  in mcs_find_endpoints()  argument
544 			mcs->ep_in = ep[i].desc.bEndpointAddress;  in mcs_find_endpoints()
546 			mcs->ep_out = ep[i].desc.bEndpointAddress;  in mcs_find_endpoints()
551 		if ((mcs->ep_in != 0) && (mcs->ep_out != 0)) {  in mcs_find_endpoints()
562 	struct mcs_cb *mcs = container_of(work, struct mcs_cb, work);  in mcs_speed_work()  local
563 	struct net_device *netdev = mcs->netdev;  in mcs_speed_work()
565 	mcs_speed_change(mcs);  in mcs_speed_work()
572 static int mcs_speed_change(struct mcs_cb *mcs)  in mcs_speed_change()  argument
580 	nspeed = mcs_speed_set[(mcs->new_speed >> 8) & 0x0f];  in mcs_speed_change()
583 		mcs_get_reg(mcs, MCS_RESV_REG, &rval);  in mcs_speed_change()
592 	mcs_get_reg(mcs, MCS_MODE_REG, &rval);  in mcs_speed_change()
595 	if (mcs->new_speed <= 115200) {  in mcs_speed_change()
598 		if ((rst = (mcs->speed > 115200)))  in mcs_speed_change()
599 			mcs_set_reg(mcs, MCS_MINRXPW_REG, 0);  in mcs_speed_change()
601 	} else if (mcs->new_speed <= 1152000) {  in mcs_speed_change()
604 		if ((rst = !(mcs->speed == 576000 || mcs->speed == 1152000)))  in mcs_speed_change()
605 			mcs_set_reg(mcs, MCS_MINRXPW_REG, 5);  in mcs_speed_change()
610 		if ((rst = (mcs->speed != 4000000)))  in mcs_speed_change()
611 			mcs_set_reg(mcs, MCS_MINRXPW_REG, 5);  in mcs_speed_change()
618 	ret = mcs_set_reg(mcs, MCS_MODE_REG, rval);  in mcs_speed_change()
623 		switch (mcs->transceiver_type) {  in mcs_speed_change()
625 			ret = mcs_setup_transceiver_vishay(mcs);  in mcs_speed_change()
629 			ret = mcs_setup_transceiver_sharp(mcs);  in mcs_speed_change()
633 			ret = mcs_setup_transceiver_agilent(mcs);  in mcs_speed_change()
639 					     mcs->transceiver_type);  in mcs_speed_change()
644 	mcs_get_reg(mcs, MCS_MODE_REG, &rval);  in mcs_speed_change()
646 	ret = mcs_set_reg(mcs, MCS_MODE_REG, rval);  in mcs_speed_change()
648 	mcs->speed = mcs->new_speed;  in mcs_speed_change()
650 	mcs->new_speed = 0;  in mcs_speed_change()
673 	struct mcs_cb *mcs = netdev_priv(netdev);  in mcs_net_close()  local
678 	kfree_skb(mcs->rx_buff.skb);  in mcs_net_close()
681 	usb_kill_urb(mcs->rx_urb);  in mcs_net_close()
682 	usb_free_urb(mcs->rx_urb);  in mcs_net_close()
683 	usb_kill_urb(mcs->tx_urb);  in mcs_net_close()
684 	usb_free_urb(mcs->tx_urb);  in mcs_net_close()
687 	if (mcs->irlap)  in mcs_net_close()
688 		irlap_close(mcs->irlap);  in mcs_net_close()
690 	mcs->irlap = NULL;  in mcs_net_close()
697 	struct mcs_cb *mcs = netdev_priv(netdev);  in mcs_net_open()  local
701 	ret = usb_clear_halt(mcs->usbdev,  in mcs_net_open()
702 			     usb_sndbulkpipe(mcs->usbdev, mcs->ep_in));  in mcs_net_open()
705 	ret = usb_clear_halt(mcs->usbdev,  in mcs_net_open()
706 			     usb_rcvbulkpipe(mcs->usbdev, mcs->ep_out));  in mcs_net_open()
710 	ret = mcs_setup_transceiver(mcs);  in mcs_net_open()
717 	mcs->receiving = 0;  in mcs_net_open()
718 	mcs->rx_buff.truesize = IRDA_SKB_MAX_MTU;  in mcs_net_open()
719 	mcs->rx_buff.skb = dev_alloc_skb(IRDA_SKB_MAX_MTU);  in mcs_net_open()
720 	if (!mcs->rx_buff.skb)  in mcs_net_open()
723 	skb_reserve(mcs->rx_buff.skb, 1);  in mcs_net_open()
724 	mcs->rx_buff.head = mcs->rx_buff.skb->data;  in mcs_net_open()
731 	sprintf(hwname, "usb#%d", mcs->usbdev->devnum);  in mcs_net_open()
732 	mcs->irlap = irlap_open(netdev, &mcs->qos, hwname);  in mcs_net_open()
733 	if (!mcs->irlap) {  in mcs_net_open()
738 	if (!mcs_setup_urbs(mcs))  in mcs_net_open()
741 	ret = mcs_receive_start(mcs);  in mcs_net_open()
749 	usb_free_urb(mcs->rx_urb);  in mcs_net_open()
750 	usb_free_urb(mcs->tx_urb);  in mcs_net_open()
752 	irlap_close(mcs->irlap);  in mcs_net_open()
754 	kfree_skb(mcs->rx_buff.skb);  in mcs_net_open()
763 	struct mcs_cb *mcs = urb->context;  in mcs_receive_irq()  local
767 	if (!netif_running(mcs->netdev))  in mcs_receive_irq()
780 		if(mcs->speed < 576000) {  in mcs_receive_irq()
781 			async_unwrap_char(mcs->netdev, &mcs->netdev->stats,  in mcs_receive_irq()
782 				  &mcs->rx_buff, 0xc0);  in mcs_receive_irq()
785 				async_unwrap_char(mcs->netdev, &mcs->netdev->stats,  in mcs_receive_irq()
786 					  &mcs->rx_buff, bytes[i]);  in mcs_receive_irq()
788 			async_unwrap_char(mcs->netdev, &mcs->netdev->stats,  in mcs_receive_irq()
789 				  &mcs->rx_buff, 0xc1);  in mcs_receive_irq()
792 		else if(mcs->speed == 576000 || mcs->speed == 1152000) {  in mcs_receive_irq()
793 			mcs_unwrap_mir(mcs, urb->transfer_buffer,  in mcs_receive_irq()
798 			mcs_unwrap_fir(mcs, urb->transfer_buffer,  in mcs_receive_irq()
809 	struct mcs_cb *mcs = urb->context;  in mcs_send_irq()  local
810 	struct net_device *ndev = mcs->netdev;  in mcs_send_irq()
812 	if (unlikely(mcs->new_speed))  in mcs_send_irq()
813 		schedule_work(&mcs->work);  in mcs_send_irq()
823 	struct mcs_cb *mcs;  in mcs_hard_xmit()  local
828 	mcs = netdev_priv(ndev);  in mcs_hard_xmit()
830 	spin_lock_irqsave(&mcs->lock, flags);  in mcs_hard_xmit()
832 	mcs->new_speed = irda_get_next_speed(skb);  in mcs_hard_xmit()
833 	if (likely(mcs->new_speed == mcs->speed))  in mcs_hard_xmit()
834 		mcs->new_speed = 0;  in mcs_hard_xmit()
837 	if(mcs->speed < 576000) {  in mcs_hard_xmit()
838 		wraplen = mcs_wrap_sir_skb(skb, mcs->out_buf);  in mcs_hard_xmit()
841 	else if(mcs->speed == 576000 || mcs->speed == 1152000) {  in mcs_hard_xmit()
842 		wraplen = mcs_wrap_mir_skb(skb, mcs->out_buf);  in mcs_hard_xmit()
846 		wraplen = mcs_wrap_fir_skb(skb, mcs->out_buf);  in mcs_hard_xmit()
848 	usb_fill_bulk_urb(mcs->tx_urb, mcs->usbdev,  in mcs_hard_xmit()
849 			  usb_sndbulkpipe(mcs->usbdev, mcs->ep_out),  in mcs_hard_xmit()
850 			  mcs->out_buf, wraplen, mcs_send_irq, mcs);  in mcs_hard_xmit()
852 	if ((ret = usb_submit_urb(mcs->tx_urb, GFP_ATOMIC))) {  in mcs_hard_xmit()
859 			mcs->netdev->stats.tx_errors++;  in mcs_hard_xmit()
863 		mcs->netdev->stats.tx_packets++;  in mcs_hard_xmit()
864 		mcs->netdev->stats.tx_bytes += skb->len;  in mcs_hard_xmit()
868 	spin_unlock_irqrestore(&mcs->lock, flags);  in mcs_hard_xmit()
888 	struct mcs_cb *mcs;  in mcs_probe()  local
891 	ndev = alloc_irdadev(sizeof(*mcs));  in mcs_probe()
905 	mcs = netdev_priv(ndev);  in mcs_probe()
906 	mcs->usbdev = udev;  in mcs_probe()
907 	mcs->netdev = ndev;  in mcs_probe()
908 	spin_lock_init(&mcs->lock);  in mcs_probe()
911 	irda_init_max_qos_capabilies(&mcs->qos);  in mcs_probe()
914 	mcs->qos.baud_rate.bits &=  in mcs_probe()
919 	mcs->qos.min_turn_time.bits &= qos_mtt_bits;  in mcs_probe()
920 	irda_qos_bits_to_value(&mcs->qos);  in mcs_probe()
923 	INIT_WORK(&mcs->work, mcs_speed_work);  in mcs_probe()
932 	ret = mcs_find_endpoints(mcs, intf->cur_altsetting->endpoint,  in mcs_probe()
946 	mcs->transceiver_type = transceiver_type;  in mcs_probe()
947 	mcs->sir_tweak = sir_tweak;  in mcs_probe()
948 	mcs->receive_mode = receive_mode;  in mcs_probe()
950 	usb_set_intfdata(intf, mcs);  in mcs_probe()
963 	struct mcs_cb *mcs = usb_get_intfdata(intf);  in mcs_disconnect()  local
965 	if (!mcs)  in mcs_disconnect()
968 	cancel_work_sync(&mcs->work);  in mcs_disconnect()
970 	unregister_netdev(mcs->netdev);  in mcs_disconnect()
971 	free_netdev(mcs->netdev);  in mcs_disconnect()