159 static void speedtch_set_swbuff(struct speedtch_instance_data *instance, int state)  in speedtch_set_swbuff()  argument
161 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_set_swbuff()
175 static void speedtch_test_sequence(struct speedtch_instance_data *instance)  in speedtch_test_sequence()  argument
177 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_test_sequence()
179 	unsigned char *buf = instance->scratch_buffer;  in speedtch_test_sequence()
219 	buf[0] = instance->params.ModemMode;  in speedtch_test_sequence()
231 			      instance->params.ModemOption,  in speedtch_test_sequence()
237 	buf[0] = instance->params.BMaxDSL & 0xff;  in speedtch_test_sequence()
238 	buf[1] = instance->params.BMaxDSL >> 8;  in speedtch_test_sequence()
245 static int speedtch_upload_firmware(struct speedtch_instance_data *instance,  in speedtch_upload_firmware()  argument
250 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_upload_firmware()
342 	if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) {  in speedtch_upload_firmware()
343 …usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->params.altsettin…  in speedtch_upload_firmware()
349 		speedtch_set_swbuff(instance, 1);  in speedtch_upload_firmware()
352 	speedtch_test_sequence(instance);  in speedtch_upload_firmware()
397 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_heavy_init()  local
408 	if ((ret = speedtch_upload_firmware(instance, fw1, fw2)) < 0)  in speedtch_heavy_init()
422 static int speedtch_read_status(struct speedtch_instance_data *instance)  in speedtch_read_status()  argument
424 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_read_status()
426 	unsigned char *buf = instance->scratch_buffer;  in speedtch_read_status()
474 static int speedtch_start_synchro(struct speedtch_instance_data *instance)  in speedtch_start_synchro()  argument
476 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_start_synchro()
478 	unsigned char *buf = instance->scratch_buffer;  in speedtch_start_synchro()
500 	struct speedtch_instance_data *instance =  in speedtch_check_status()  local
503 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_check_status()
505 	unsigned char *buf = instance->scratch_buffer;  in speedtch_check_status()
513 	ret = speedtch_read_status(instance);  in speedtch_check_status()
516 		instance->poll_delay = min(2 * instance->poll_delay, MAX_POLL_DELAY);  in speedtch_check_status()
520 	instance->poll_delay = max(instance->poll_delay / 2, MIN_POLL_DELAY);  in speedtch_check_status()
524 	if ((status != instance->last_status) || !status) {  in speedtch_check_status()
530 			if (instance->last_status)  in speedtch_check_status()
533 			ret = speedtch_start_synchro(instance);  in speedtch_check_status()
571 		instance->last_status = status;  in speedtch_check_status()
577 	struct speedtch_instance_data *instance = (void *)data;  in speedtch_status_poll()  local
579 	schedule_work(&instance->status_check_work);  in speedtch_status_poll()
582 	if (instance->poll_delay < MAX_POLL_DELAY)  in speedtch_status_poll()
583 		mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(instance->poll_delay));  in speedtch_status_poll()
585 		atm_warn(instance->usbatm, "Too many failures - disabling line status polling\n");  in speedtch_status_poll()
590 	struct speedtch_instance_data *instance = (void *)data;  in speedtch_resubmit_int()  local
591 	struct urb *int_urb = instance->int_urb;  in speedtch_resubmit_int()
594 	atm_dbg(instance->usbatm, "%s entered\n", __func__);  in speedtch_resubmit_int()
599 			schedule_work(&instance->status_check_work);  in speedtch_resubmit_int()
601 			atm_dbg(instance->usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret);  in speedtch_resubmit_int()
602 			mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY));  in speedtch_resubmit_int()
609 	struct speedtch_instance_data *instance = int_urb->context;  in speedtch_handle_int()  local
610 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_handle_int()
627 	if ((count == 6) && !memcmp(up_int, instance->int_data, 6)) {  in speedtch_handle_int()
628 		del_timer(&instance->status_check_timer);  in speedtch_handle_int()
630 	} else if ((count == 6) && !memcmp(down_int, instance->int_data, 6)) {  in speedtch_handle_int()
637 			printk(" %02x", instance->int_data[i]);  in speedtch_handle_int()
642 	int_urb = instance->int_urb;  in speedtch_handle_int()
645 		schedule_work(&instance->status_check_work);  in speedtch_handle_int()
655 	int_urb = instance->int_urb;  in speedtch_handle_int()
657 		mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY));  in speedtch_handle_int()
663 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_atm_start()  local
678 	ret = speedtch_start_synchro(instance);  in speedtch_atm_start()
681 	if (instance->int_urb) {  in speedtch_atm_start()
682 		ret = usb_submit_urb(instance->int_urb, GFP_KERNEL);  in speedtch_atm_start()
686 			usb_free_urb(instance->int_urb);  in speedtch_atm_start()
687 			instance->int_urb = NULL;  in speedtch_atm_start()
692 	mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(1000));  in speedtch_atm_start()
699 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_atm_stop()  local
700 	struct urb *int_urb = instance->int_urb;  in speedtch_atm_stop()
704 	del_timer_sync(&instance->status_check_timer);  in speedtch_atm_stop()
710 	instance->int_urb = NULL; /* signal shutdown */  in speedtch_atm_stop()
713 	del_timer_sync(&instance->resubmit_timer);  in speedtch_atm_stop()
720 	del_timer_sync(&instance->resubmit_timer);  in speedtch_atm_stop()
723 	flush_work(&instance->status_check_work);  in speedtch_atm_stop()
780 	struct speedtch_instance_data *instance;  in speedtch_bind()  local
817 	instance = kzalloc(sizeof(*instance), GFP_KERNEL);  in speedtch_bind()
819 	if (!instance) {  in speedtch_bind()
825 	instance->usbatm = usbatm;  in speedtch_bind()
828 	instance->params.altsetting = altsetting;  in speedtch_bind()
829 	instance->params.BMaxDSL = BMaxDSL;  in speedtch_bind()
830 	instance->params.ModemMode = ModemMode;  in speedtch_bind()
831 	memcpy(instance->params.ModemOption, DEFAULT_MODEM_OPTION, MODEM_OPTION_LENGTH);  in speedtch_bind()
832 	memcpy(instance->params.ModemOption, ModemOption, num_ModemOption);  in speedtch_bind()
835 	if (instance->params.altsetting)  in speedtch_bind()
836 		if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) {  in speedtch_bind()
837 …usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, instance->params.altsetti…  in speedtch_bind()
838 			instance->params.altsetting = 0; /* fall back to default */  in speedtch_bind()
841 	if (!instance->params.altsetting && use_isoc)  in speedtch_bind()
867 	if (!use_isoc && !instance->params.altsetting)  in speedtch_bind()
873 	if (!instance->params.altsetting)  in speedtch_bind()
874 		instance->params.altsetting = use_isoc ? DEFAULT_ISOC_ALTSETTING : DEFAULT_BULK_ALTSETTING;  in speedtch_bind()
878 	INIT_WORK(&instance->status_check_work, speedtch_check_status);  in speedtch_bind()
879 	init_timer(&instance->status_check_timer);  in speedtch_bind()
881 	instance->status_check_timer.function = speedtch_status_poll;  in speedtch_bind()
882 	instance->status_check_timer.data = (unsigned long)instance;  in speedtch_bind()
883 	instance->last_status = 0xff;  in speedtch_bind()
884 	instance->poll_delay = MIN_POLL_DELAY;  in speedtch_bind()
886 	init_timer(&instance->resubmit_timer);  in speedtch_bind()
887 	instance->resubmit_timer.function = speedtch_resubmit_int;  in speedtch_bind()
888 	instance->resubmit_timer.data = (unsigned long)instance;  in speedtch_bind()
890 	instance->int_urb = usb_alloc_urb(0, GFP_KERNEL);  in speedtch_bind()
892 	if (instance->int_urb)  in speedtch_bind()
893 		usb_fill_int_urb(instance->int_urb, usb_dev,  in speedtch_bind()
895 				 instance->int_data, sizeof(instance->int_data),  in speedtch_bind()
896 				 speedtch_handle_int, instance, 16);  in speedtch_bind()
903 			      instance->scratch_buffer + OFFSET_7, SIZE_7, 500);  in speedtch_bind()
915         usbatm->driver_data = instance;  in speedtch_bind()
920 	usb_free_urb(instance->int_urb);  in speedtch_bind()
921 	kfree(instance);  in speedtch_bind()
930 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_unbind()  local
935 	usb_free_urb(instance->int_urb);  in speedtch_unbind()
936 	kfree(instance);  in speedtch_unbind()