177 static int ksdazzle_change_speed(struct ksdazzle_cb *kingsun, unsigned speed)  in ksdazzle_change_speed()  argument
185 	if (kingsun->speed_setuprequest == NULL || kingsun->speed_urb == NULL)  in ksdazzle_change_speed()
193 	memset(&(kingsun->speedparams), 0, sizeof(struct ksdazzle_speedparams));  in ksdazzle_change_speed()
194 	kingsun->speedparams.baudrate = cpu_to_le32(speed);  in ksdazzle_change_speed()
195 	kingsun->speedparams.flags = KS_DATA_8_BITS;  in ksdazzle_change_speed()
198 	usb_fill_control_urb(kingsun->speed_urb, kingsun->usbdev,  in ksdazzle_change_speed()
199 			     usb_sndctrlpipe(kingsun->usbdev, 0),  in ksdazzle_change_speed()
200 			     (unsigned char *)kingsun->speed_setuprequest,  in ksdazzle_change_speed()
201 			     &(kingsun->speedparams),  in ksdazzle_change_speed()
203 			     ksdazzle_speed_irq, kingsun);  in ksdazzle_change_speed()
204 	kingsun->speed_urb->status = 0;  in ksdazzle_change_speed()
205 	err = usb_submit_urb(kingsun->speed_urb, GFP_ATOMIC);  in ksdazzle_change_speed()
212 static int ksdazzle_submit_tx_fragment(struct ksdazzle_cb *kingsun)  in ksdazzle_submit_tx_fragment()  argument
219 	if (wraplen > kingsun->tx_buf_clear_used)  in ksdazzle_submit_tx_fragment()
220 		wraplen = kingsun->tx_buf_clear_used;  in ksdazzle_submit_tx_fragment()
223 	memset(kingsun->tx_payload, 0, 8);  in ksdazzle_submit_tx_fragment()
224 	kingsun->tx_payload[0] = (unsigned char)0xf8 + wraplen;  in ksdazzle_submit_tx_fragment()
225 	memcpy(kingsun->tx_payload + 1, kingsun->tx_buf_clear, wraplen);  in ksdazzle_submit_tx_fragment()
227 	usb_fill_int_urb(kingsun->tx_urb, kingsun->usbdev,  in ksdazzle_submit_tx_fragment()
228 			 usb_sndintpipe(kingsun->usbdev, kingsun->ep_out),  in ksdazzle_submit_tx_fragment()
229 			 kingsun->tx_payload, 8, ksdazzle_send_irq, kingsun, 1);  in ksdazzle_submit_tx_fragment()
230 	kingsun->tx_urb->status = 0;  in ksdazzle_submit_tx_fragment()
231 	ret = usb_submit_urb(kingsun->tx_urb, GFP_ATOMIC);  in ksdazzle_submit_tx_fragment()
234 	kingsun->tx_buf_clear_sent = (ret == 0) ? wraplen : 0;  in ksdazzle_submit_tx_fragment()
241 	struct ksdazzle_cb *kingsun = urb->context;  in ksdazzle_send_irq()  local
242 	struct net_device *netdev = kingsun->netdev;  in ksdazzle_send_irq()
246 	if (!netif_running(kingsun->netdev)) {  in ksdazzle_send_irq()
247 		dev_err(&kingsun->usbdev->dev,  in ksdazzle_send_irq()
254 		dev_err(&kingsun->usbdev->dev,  in ksdazzle_send_irq()
260 	if (kingsun->tx_buf_clear_used > 0) {  in ksdazzle_send_irq()
262 		if (kingsun->tx_buf_clear_sent < kingsun->tx_buf_clear_used) {  in ksdazzle_send_irq()
263 			memmove(kingsun->tx_buf_clear,  in ksdazzle_send_irq()
264 				kingsun->tx_buf_clear +  in ksdazzle_send_irq()
265 				kingsun->tx_buf_clear_sent,  in ksdazzle_send_irq()
266 				kingsun->tx_buf_clear_used -  in ksdazzle_send_irq()
267 				kingsun->tx_buf_clear_sent);  in ksdazzle_send_irq()
269 		kingsun->tx_buf_clear_used -= kingsun->tx_buf_clear_sent;  in ksdazzle_send_irq()
270 		kingsun->tx_buf_clear_sent = 0;  in ksdazzle_send_irq()
272 		if (kingsun->tx_buf_clear_used > 0) {  in ksdazzle_send_irq()
274 			if ((ret = ksdazzle_submit_tx_fragment(kingsun)) != 0) {  in ksdazzle_send_irq()
275 				dev_err(&kingsun->usbdev->dev,  in ksdazzle_send_irq()
289 			if (kingsun->new_speed != -1 &&  in ksdazzle_send_irq()
290 			    cpu_to_le32(kingsun->new_speed) !=  in ksdazzle_send_irq()
291 			    kingsun->speedparams.baudrate)  in ksdazzle_send_irq()
292 				ksdazzle_change_speed(kingsun,  in ksdazzle_send_irq()
293 						      kingsun->new_speed);  in ksdazzle_send_irq()
306 	struct ksdazzle_cb *kingsun;  in ksdazzle_hard_xmit()  local
315 	kingsun = netdev_priv(netdev);  in ksdazzle_hard_xmit()
317 	spin_lock(&kingsun->lock);  in ksdazzle_hard_xmit()
318 	kingsun->new_speed = irda_get_next_speed(skb);  in ksdazzle_hard_xmit()
322 	    async_wrap_skb(skb, kingsun->tx_buf_clear, KINGSUN_SND_FIFO_SIZE);  in ksdazzle_hard_xmit()
323 	kingsun->tx_buf_clear_used = wraplen;  in ksdazzle_hard_xmit()
325 	if ((ret = ksdazzle_submit_tx_fragment(kingsun)) != 0) {  in ksdazzle_hard_xmit()
326 		dev_err(&kingsun->usbdev->dev,  in ksdazzle_hard_xmit()
343 	spin_unlock(&kingsun->lock);  in ksdazzle_hard_xmit()
351 	struct ksdazzle_cb *kingsun = urb->context;  in ksdazzle_rcv_irq()  local
352 	struct net_device *netdev = kingsun->netdev;  in ksdazzle_rcv_irq()
356 		kingsun->receiving = 0;  in ksdazzle_rcv_irq()
362 		dev_err(&kingsun->usbdev->dev,  in ksdazzle_rcv_irq()
365 		kingsun->receiving = 0;  in ksdazzle_rcv_irq()
375 					  &kingsun->rx_unwrap_buff, bytes[i]);  in ksdazzle_rcv_irq()
377 		kingsun->receiving =  in ksdazzle_rcv_irq()
378 		    (kingsun->rx_unwrap_buff.state != OUTSIDE_FRAME) ? 1 : 0;  in ksdazzle_rcv_irq()
395 	struct ksdazzle_cb *kingsun = netdev_priv(netdev);  in ksdazzle_net_open()  local
400 	kingsun->receiving = 0;  in ksdazzle_net_open()
403 	kingsun->rx_unwrap_buff.in_frame = FALSE;  in ksdazzle_net_open()
404 	kingsun->rx_unwrap_buff.state = OUTSIDE_FRAME;  in ksdazzle_net_open()
405 	kingsun->rx_unwrap_buff.truesize = IRDA_SKB_MAX_MTU;  in ksdazzle_net_open()
406 	kingsun->rx_unwrap_buff.skb = dev_alloc_skb(IRDA_SKB_MAX_MTU);  in ksdazzle_net_open()
407 	if (!kingsun->rx_unwrap_buff.skb)  in ksdazzle_net_open()
410 	skb_reserve(kingsun->rx_unwrap_buff.skb, 1);  in ksdazzle_net_open()
411 	kingsun->rx_unwrap_buff.head = kingsun->rx_unwrap_buff.skb->data;  in ksdazzle_net_open()
413 	kingsun->rx_urb = usb_alloc_urb(0, GFP_KERNEL);  in ksdazzle_net_open()
414 	if (!kingsun->rx_urb)  in ksdazzle_net_open()
417 	kingsun->tx_urb = usb_alloc_urb(0, GFP_KERNEL);  in ksdazzle_net_open()
418 	if (!kingsun->tx_urb)  in ksdazzle_net_open()
421 	kingsun->speed_urb = usb_alloc_urb(0, GFP_KERNEL);  in ksdazzle_net_open()
422 	if (!kingsun->speed_urb)  in ksdazzle_net_open()
426 	kingsun->new_speed = 9600;  in ksdazzle_net_open()
427 	err = ksdazzle_change_speed(kingsun, 9600);  in ksdazzle_net_open()
435 	sprintf(hwname, "usb#%d", kingsun->usbdev->devnum);  in ksdazzle_net_open()
436 	kingsun->irlap = irlap_open(netdev, &kingsun->qos, hwname);  in ksdazzle_net_open()
437 	if (!kingsun->irlap) {  in ksdazzle_net_open()
439 		dev_err(&kingsun->usbdev->dev, "irlap_open failed\n");  in ksdazzle_net_open()
444 	usb_fill_int_urb(kingsun->rx_urb, kingsun->usbdev,  in ksdazzle_net_open()
445 			 usb_rcvintpipe(kingsun->usbdev, kingsun->ep_in),  in ksdazzle_net_open()
446 			 kingsun->rx_buf, KINGSUN_RCV_MAX, ksdazzle_rcv_irq,  in ksdazzle_net_open()
447 			 kingsun, 1);  in ksdazzle_net_open()
448 	kingsun->rx_urb->status = 0;  in ksdazzle_net_open()
449 	err = usb_submit_urb(kingsun->rx_urb, GFP_KERNEL);  in ksdazzle_net_open()
451 		dev_err(&kingsun->usbdev->dev, "first urb-submit failed: %d\n", err);  in ksdazzle_net_open()
469 	irlap_close(kingsun->irlap);  in ksdazzle_net_open()
471 	usb_free_urb(kingsun->speed_urb);  in ksdazzle_net_open()
472 	kingsun->speed_urb = NULL;  in ksdazzle_net_open()
473 	usb_free_urb(kingsun->tx_urb);  in ksdazzle_net_open()
474 	kingsun->tx_urb = NULL;  in ksdazzle_net_open()
475 	usb_free_urb(kingsun->rx_urb);  in ksdazzle_net_open()
476 	kingsun->rx_urb = NULL;  in ksdazzle_net_open()
477 	if (kingsun->rx_unwrap_buff.skb) {  in ksdazzle_net_open()
478 		kfree_skb(kingsun->rx_unwrap_buff.skb);  in ksdazzle_net_open()
479 		kingsun->rx_unwrap_buff.skb = NULL;  in ksdazzle_net_open()
480 		kingsun->rx_unwrap_buff.head = NULL;  in ksdazzle_net_open()
493 	struct ksdazzle_cb *kingsun = netdev_priv(netdev);  in ksdazzle_net_close()  local
499 	usb_kill_urb(kingsun->tx_urb);  in ksdazzle_net_close()
500 	usb_free_urb(kingsun->tx_urb);  in ksdazzle_net_close()
501 	kingsun->tx_urb = NULL;  in ksdazzle_net_close()
503 	usb_kill_urb(kingsun->speed_urb);  in ksdazzle_net_close()
504 	usb_free_urb(kingsun->speed_urb);  in ksdazzle_net_close()
505 	kingsun->speed_urb = NULL;  in ksdazzle_net_close()
507 	usb_kill_urb(kingsun->rx_urb);  in ksdazzle_net_close()
508 	usb_free_urb(kingsun->rx_urb);  in ksdazzle_net_close()
509 	kingsun->rx_urb = NULL;  in ksdazzle_net_close()
511 	kfree_skb(kingsun->rx_unwrap_buff.skb);  in ksdazzle_net_close()
512 	kingsun->rx_unwrap_buff.skb = NULL;  in ksdazzle_net_close()
513 	kingsun->rx_unwrap_buff.head = NULL;  in ksdazzle_net_close()
514 	kingsun->rx_unwrap_buff.in_frame = FALSE;  in ksdazzle_net_close()
515 	kingsun->rx_unwrap_buff.state = OUTSIDE_FRAME;  in ksdazzle_net_close()
516 	kingsun->receiving = 0;  in ksdazzle_net_close()
519 	irlap_close(kingsun->irlap);  in ksdazzle_net_close()
521 	kingsun->irlap = NULL;  in ksdazzle_net_close()
533 	struct ksdazzle_cb *kingsun = netdev_priv(netdev);  in ksdazzle_net_ioctl()  local
542 		if (netif_device_present(kingsun->netdev))  in ksdazzle_net_ioctl()
543 			return ksdazzle_change_speed(kingsun,  in ksdazzle_net_ioctl()
552 		if (netif_running(kingsun->netdev))  in ksdazzle_net_ioctl()
553 			irda_device_set_media_busy(kingsun->netdev, TRUE);  in ksdazzle_net_ioctl()
558 		irq->ifr_receiving = kingsun->receiving;  in ksdazzle_net_ioctl()
587 	struct ksdazzle_cb *kingsun = NULL;  in ksdazzle_probe()  local
632 	net = alloc_irdadev(sizeof(*kingsun));  in ksdazzle_probe()
637 	kingsun = netdev_priv(net);  in ksdazzle_probe()
638 	kingsun->netdev = net;  in ksdazzle_probe()
639 	kingsun->usbdev = dev;  in ksdazzle_probe()
640 	kingsun->ep_in = ep_in;  in ksdazzle_probe()
641 	kingsun->ep_out = ep_out;  in ksdazzle_probe()
642 	kingsun->irlap = NULL;  in ksdazzle_probe()
643 	kingsun->tx_urb = NULL;  in ksdazzle_probe()
644 	kingsun->tx_buf_clear = NULL;  in ksdazzle_probe()
645 	kingsun->tx_buf_clear_used = 0;  in ksdazzle_probe()
646 	kingsun->tx_buf_clear_sent = 0;  in ksdazzle_probe()
648 	kingsun->rx_urb = NULL;  in ksdazzle_probe()
649 	kingsun->rx_buf = NULL;  in ksdazzle_probe()
650 	kingsun->rx_unwrap_buff.in_frame = FALSE;  in ksdazzle_probe()
651 	kingsun->rx_unwrap_buff.state = OUTSIDE_FRAME;  in ksdazzle_probe()
652 	kingsun->rx_unwrap_buff.skb = NULL;  in ksdazzle_probe()
653 	kingsun->receiving = 0;  in ksdazzle_probe()
654 	spin_lock_init(&kingsun->lock);  in ksdazzle_probe()
656 	kingsun->speed_setuprequest = NULL;  in ksdazzle_probe()
657 	kingsun->speed_urb = NULL;  in ksdazzle_probe()
658 	kingsun->speedparams.baudrate = 0;  in ksdazzle_probe()
661 	kingsun->rx_buf = kmalloc(KINGSUN_RCV_MAX, GFP_KERNEL);  in ksdazzle_probe()
662 	if (!kingsun->rx_buf)  in ksdazzle_probe()
666 	kingsun->tx_buf_clear = kmalloc(KINGSUN_SND_FIFO_SIZE, GFP_KERNEL);  in ksdazzle_probe()
667 	if (!kingsun->tx_buf_clear)  in ksdazzle_probe()
671 	kingsun->speed_setuprequest =  in ksdazzle_probe()
673 	if (!kingsun->speed_setuprequest)  in ksdazzle_probe()
675 	kingsun->speed_setuprequest->bRequestType =  in ksdazzle_probe()
677 	kingsun->speed_setuprequest->bRequest = KINGSUN_REQ_SEND;  in ksdazzle_probe()
678 	kingsun->speed_setuprequest->wValue = cpu_to_le16(0x0200);  in ksdazzle_probe()
679 	kingsun->speed_setuprequest->wIndex = cpu_to_le16(0x0001);  in ksdazzle_probe()
680 	kingsun->speed_setuprequest->wLength =  in ksdazzle_probe()
689 	irda_init_max_qos_capabilies(&kingsun->qos);  in ksdazzle_probe()
695 	kingsun->qos.baud_rate.bits =  in ksdazzle_probe()
697 	kingsun->qos.min_turn_time.bits &= KINGSUN_MTT;  in ksdazzle_probe()
698 	irda_qos_bits_to_value(&kingsun->qos);  in ksdazzle_probe()
710 	usb_set_intfdata(intf, kingsun);  in ksdazzle_probe()
723 	kfree(kingsun->speed_setuprequest);  in ksdazzle_probe()
724 	kfree(kingsun->tx_buf_clear);  in ksdazzle_probe()
725 	kfree(kingsun->rx_buf);  in ksdazzle_probe()
736 	struct ksdazzle_cb *kingsun = usb_get_intfdata(intf);  in ksdazzle_disconnect()  local
738 	if (!kingsun)  in ksdazzle_disconnect()
741 	unregister_netdev(kingsun->netdev);  in ksdazzle_disconnect()
744 	usb_kill_urb(kingsun->speed_urb);  in ksdazzle_disconnect()
745 	usb_free_urb(kingsun->speed_urb);  in ksdazzle_disconnect()
746 	kingsun->speed_urb = NULL;  in ksdazzle_disconnect()
748 	usb_kill_urb(kingsun->tx_urb);  in ksdazzle_disconnect()
749 	usb_free_urb(kingsun->tx_urb);  in ksdazzle_disconnect()
750 	kingsun->tx_urb = NULL;  in ksdazzle_disconnect()
752 	usb_kill_urb(kingsun->rx_urb);  in ksdazzle_disconnect()
753 	usb_free_urb(kingsun->rx_urb);  in ksdazzle_disconnect()
754 	kingsun->rx_urb = NULL;  in ksdazzle_disconnect()
756 	kfree(kingsun->speed_setuprequest);  in ksdazzle_disconnect()
757 	kfree(kingsun->tx_buf_clear);  in ksdazzle_disconnect()
758 	kfree(kingsun->rx_buf);  in ksdazzle_disconnect()
759 	free_netdev(kingsun->netdev);  in ksdazzle_disconnect()
768 	struct ksdazzle_cb *kingsun = usb_get_intfdata(intf);  in ksdazzle_suspend()  local
770 	netif_device_detach(kingsun->netdev);  in ksdazzle_suspend()
771 	if (kingsun->speed_urb != NULL)  in ksdazzle_suspend()
772 		usb_kill_urb(kingsun->speed_urb);  in ksdazzle_suspend()
773 	if (kingsun->tx_urb != NULL)  in ksdazzle_suspend()
774 		usb_kill_urb(kingsun->tx_urb);  in ksdazzle_suspend()
775 	if (kingsun->rx_urb != NULL)  in ksdazzle_suspend()
776 		usb_kill_urb(kingsun->rx_urb);  in ksdazzle_suspend()
783 	struct ksdazzle_cb *kingsun = usb_get_intfdata(intf);  in ksdazzle_resume()  local
785 	if (kingsun->rx_urb != NULL) {  in ksdazzle_resume()
787 		usb_submit_urb(kingsun->rx_urb, GFP_KERNEL);  in ksdazzle_resume()
789 	netif_device_attach(kingsun->netdev);  in ksdazzle_resume()