144 static void speedtch_set_swbuff(struct speedtch_instance_data *instance, int state)  in speedtch_set_swbuff()  argument
146 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_set_swbuff()
160 static void speedtch_test_sequence(struct speedtch_instance_data *instance)  in speedtch_test_sequence()  argument
162 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_test_sequence()
164 	unsigned char *buf = instance->scratch_buffer;  in speedtch_test_sequence()
204 	buf[0] = instance->params.ModemMode;  in speedtch_test_sequence()
216 			      instance->params.ModemOption,  in speedtch_test_sequence()
222 	buf[0] = instance->params.BMaxDSL & 0xff;  in speedtch_test_sequence()
223 	buf[1] = instance->params.BMaxDSL >> 8;  in speedtch_test_sequence()
230 static int speedtch_upload_firmware(struct speedtch_instance_data *instance,  in speedtch_upload_firmware()  argument
235 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_upload_firmware()
327 	if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) {  in speedtch_upload_firmware()
328 …usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->params.altsettin…  in speedtch_upload_firmware()
334 		speedtch_set_swbuff(instance, 1);  in speedtch_upload_firmware()
337 	speedtch_test_sequence(instance);  in speedtch_upload_firmware()
382 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_heavy_init()  local
393 	if ((ret = speedtch_upload_firmware(instance, fw1, fw2)) < 0)  in speedtch_heavy_init()
407 static int speedtch_read_status(struct speedtch_instance_data *instance)  in speedtch_read_status()  argument
409 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_read_status()
411 	unsigned char *buf = instance->scratch_buffer;  in speedtch_read_status()
459 static int speedtch_start_synchro(struct speedtch_instance_data *instance)  in speedtch_start_synchro()  argument
461 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_start_synchro()
463 	unsigned char *buf = instance->scratch_buffer;  in speedtch_start_synchro()
485 	struct speedtch_instance_data *instance =  in speedtch_check_status()  local
488 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_check_status()
490 	unsigned char *buf = instance->scratch_buffer;  in speedtch_check_status()
498 	ret = speedtch_read_status(instance);  in speedtch_check_status()
501 		instance->poll_delay = min(2 * instance->poll_delay, MAX_POLL_DELAY);  in speedtch_check_status()
505 	instance->poll_delay = max(instance->poll_delay / 2, MIN_POLL_DELAY);  in speedtch_check_status()
509 	if ((status != instance->last_status) || !status) {  in speedtch_check_status()
515 			if (instance->last_status)  in speedtch_check_status()
518 			ret = speedtch_start_synchro(instance);  in speedtch_check_status()
556 		instance->last_status = status;  in speedtch_check_status()
562 	struct speedtch_instance_data *instance = timer_container_of(instance,  in speedtch_status_poll()  local
566 	schedule_work(&instance->status_check_work);  in speedtch_status_poll()
569 	if (instance->poll_delay < MAX_POLL_DELAY)  in speedtch_status_poll()
570 		mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(instance->poll_delay));  in speedtch_status_poll()
572 		atm_warn(instance->usbatm, "Too many failures - disabling line status polling\n");  in speedtch_status_poll()
577 	struct speedtch_instance_data *instance = timer_container_of(instance,  in speedtch_resubmit_int()  local
580 	struct urb *int_urb = instance->int_urb;  in speedtch_resubmit_int()
583 	atm_dbg(instance->usbatm, "%s entered\n", __func__);  in speedtch_resubmit_int()
588 			schedule_work(&instance->status_check_work);  in speedtch_resubmit_int()
590 			atm_dbg(instance->usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret);  in speedtch_resubmit_int()
591 			mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY));  in speedtch_resubmit_int()
598 	struct speedtch_instance_data *instance = int_urb->context;  in speedtch_handle_int()  local
599 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_handle_int()
616 	if ((count == 6) && !memcmp(up_int, instance->int_data, 6)) {  in speedtch_handle_int()
617 		timer_delete(&instance->status_check_timer);  in speedtch_handle_int()
619 	} else if ((count == 6) && !memcmp(down_int, instance->int_data, 6)) {  in speedtch_handle_int()
626 			printk(" %02x", instance->int_data[i]);  in speedtch_handle_int()
631 	int_urb = instance->int_urb;  in speedtch_handle_int()
634 		schedule_work(&instance->status_check_work);  in speedtch_handle_int()
644 	int_urb = instance->int_urb;  in speedtch_handle_int()
646 		mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY));  in speedtch_handle_int()
652 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_atm_start()  local
667 	ret = speedtch_start_synchro(instance);  in speedtch_atm_start()
670 	if (instance->int_urb) {  in speedtch_atm_start()
671 		ret = usb_submit_urb(instance->int_urb, GFP_KERNEL);  in speedtch_atm_start()
675 			usb_free_urb(instance->int_urb);  in speedtch_atm_start()
676 			instance->int_urb = NULL;  in speedtch_atm_start()
681 	mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(1000));  in speedtch_atm_start()
688 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_atm_stop()  local
689 	struct urb *int_urb = instance->int_urb;  in speedtch_atm_stop()
693 	timer_delete_sync(&instance->status_check_timer);  in speedtch_atm_stop()
699 	instance->int_urb = NULL; /* signal shutdown */  in speedtch_atm_stop()
702 	timer_delete_sync(&instance->resubmit_timer);  in speedtch_atm_stop()
709 	timer_delete_sync(&instance->resubmit_timer);  in speedtch_atm_stop()
712 	flush_work(&instance->status_check_work);  in speedtch_atm_stop()
769 	struct speedtch_instance_data *instance;  in speedtch_bind()  local
806 	instance = kzalloc(sizeof(*instance), GFP_KERNEL);  in speedtch_bind()
808 	if (!instance) {  in speedtch_bind()
813 	instance->usbatm = usbatm;  in speedtch_bind()
816 	instance->params.altsetting = altsetting;  in speedtch_bind()
817 	instance->params.BMaxDSL = BMaxDSL;  in speedtch_bind()
818 	instance->params.ModemMode = ModemMode;  in speedtch_bind()
819 	memcpy(instance->params.ModemOption, DEFAULT_MODEM_OPTION, MODEM_OPTION_LENGTH);  in speedtch_bind()
820 	memcpy(instance->params.ModemOption, ModemOption, num_ModemOption);  in speedtch_bind()
823 	if (instance->params.altsetting)  in speedtch_bind()
824 		if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) {  in speedtch_bind()
825 …usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, instance->params.altsetti…  in speedtch_bind()
826 			instance->params.altsetting = 0; /* fall back to default */  in speedtch_bind()
829 	if (!instance->params.altsetting && use_isoc)  in speedtch_bind()
855 	if (!use_isoc && !instance->params.altsetting)  in speedtch_bind()
861 	if (!instance->params.altsetting)  in speedtch_bind()
862 		instance->params.altsetting = use_isoc ? DEFAULT_ISOC_ALTSETTING : DEFAULT_BULK_ALTSETTING;  in speedtch_bind()
866 	INIT_WORK(&instance->status_check_work, speedtch_check_status);  in speedtch_bind()
867 	timer_setup(&instance->status_check_timer, speedtch_status_poll, 0);  in speedtch_bind()
868 	instance->last_status = 0xff;  in speedtch_bind()
869 	instance->poll_delay = MIN_POLL_DELAY;  in speedtch_bind()
871 	timer_setup(&instance->resubmit_timer, speedtch_resubmit_int, 0);  in speedtch_bind()
873 	instance->int_urb = usb_alloc_urb(0, GFP_KERNEL);  in speedtch_bind()
875 	if (instance->int_urb)  in speedtch_bind()
876 		usb_fill_int_urb(instance->int_urb, usb_dev,  in speedtch_bind()
878 				 instance->int_data, sizeof(instance->int_data),  in speedtch_bind()
879 				 speedtch_handle_int, instance, 16);  in speedtch_bind()
886 			      instance->scratch_buffer + OFFSET_7, SIZE_7, 500);  in speedtch_bind()
898         usbatm->driver_data = instance;  in speedtch_bind()
903 	usb_free_urb(instance->int_urb);  in speedtch_bind()
904 	kfree(instance);  in speedtch_bind()
913 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_unbind()  local
918 	usb_free_urb(instance->int_urb);  in speedtch_unbind()
919 	kfree(instance);  in speedtch_unbind()