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()
341 	if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) {  in speedtch_upload_firmware()
342 …usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->params.altsettin…  in speedtch_upload_firmware()
348 		speedtch_set_swbuff(instance, 1);  in speedtch_upload_firmware()
351 	speedtch_test_sequence(instance);  in speedtch_upload_firmware()
396 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_heavy_init()  local
407 	if ((ret = speedtch_upload_firmware(instance, fw1, fw2)) < 0)  in speedtch_heavy_init()
421 static int speedtch_read_status(struct speedtch_instance_data *instance)  in speedtch_read_status()  argument
423 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_read_status()
425 	unsigned char *buf = instance->scratch_buffer;  in speedtch_read_status()
473 static int speedtch_start_synchro(struct speedtch_instance_data *instance)  in speedtch_start_synchro()  argument
475 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_start_synchro()
477 	unsigned char *buf = instance->scratch_buffer;  in speedtch_start_synchro()
499 	struct speedtch_instance_data *instance =  in speedtch_check_status()  local
502 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_check_status()
504 	unsigned char *buf = instance->scratch_buffer;  in speedtch_check_status()
512 	ret = speedtch_read_status(instance);  in speedtch_check_status()
515 		instance->poll_delay = min(2 * instance->poll_delay, MAX_POLL_DELAY);  in speedtch_check_status()
519 	instance->poll_delay = max(instance->poll_delay / 2, MIN_POLL_DELAY);  in speedtch_check_status()
523 	if ((status != instance->last_status) || !status) {  in speedtch_check_status()
529 			if (instance->last_status)  in speedtch_check_status()
532 			ret = speedtch_start_synchro(instance);  in speedtch_check_status()
570 		instance->last_status = status;  in speedtch_check_status()
576 	struct speedtch_instance_data *instance = (void *)data;  in speedtch_status_poll()  local
578 	schedule_work(&instance->status_check_work);  in speedtch_status_poll()
581 	if (instance->poll_delay < MAX_POLL_DELAY)  in speedtch_status_poll()
582 		mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(instance->poll_delay));  in speedtch_status_poll()
584 		atm_warn(instance->usbatm, "Too many failures - disabling line status polling\n");  in speedtch_status_poll()
589 	struct speedtch_instance_data *instance = (void *)data;  in speedtch_resubmit_int()  local
590 	struct urb *int_urb = instance->int_urb;  in speedtch_resubmit_int()
593 	atm_dbg(instance->usbatm, "%s entered\n", __func__);  in speedtch_resubmit_int()
598 			schedule_work(&instance->status_check_work);  in speedtch_resubmit_int()
600 			atm_dbg(instance->usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret);  in speedtch_resubmit_int()
601 			mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY));  in speedtch_resubmit_int()
608 	struct speedtch_instance_data *instance = int_urb->context;  in speedtch_handle_int()  local
609 	struct usbatm_data *usbatm = instance->usbatm;  in speedtch_handle_int()
626 	if ((count == 6) && !memcmp(up_int, instance->int_data, 6)) {  in speedtch_handle_int()
627 		del_timer(&instance->status_check_timer);  in speedtch_handle_int()
629 	} else if ((count == 6) && !memcmp(down_int, instance->int_data, 6)) {  in speedtch_handle_int()
636 			printk(" %02x", instance->int_data[i]);  in speedtch_handle_int()
641 	if ((int_urb = instance->int_urb)) {  in speedtch_handle_int()
643 		schedule_work(&instance->status_check_work);  in speedtch_handle_int()
653 	if ((int_urb = instance->int_urb))  in speedtch_handle_int()
654 		mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY));  in speedtch_handle_int()
660 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_atm_start()  local
675 	ret = speedtch_start_synchro(instance);  in speedtch_atm_start()
678 	if (instance->int_urb) {  in speedtch_atm_start()
679 		ret = usb_submit_urb(instance->int_urb, GFP_KERNEL);  in speedtch_atm_start()
683 			usb_free_urb(instance->int_urb);  in speedtch_atm_start()
684 			instance->int_urb = NULL;  in speedtch_atm_start()
689 	mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(1000));  in speedtch_atm_start()
696 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_atm_stop()  local
697 	struct urb *int_urb = instance->int_urb;  in speedtch_atm_stop()
701 	del_timer_sync(&instance->status_check_timer);  in speedtch_atm_stop()
707 	instance->int_urb = NULL; /* signal shutdown */  in speedtch_atm_stop()
710 	del_timer_sync(&instance->resubmit_timer);  in speedtch_atm_stop()
717 	del_timer_sync(&instance->resubmit_timer);  in speedtch_atm_stop()
720 	flush_work(&instance->status_check_work);  in speedtch_atm_stop()
775 	struct speedtch_instance_data *instance;  in speedtch_bind()  local
811 	instance = kzalloc(sizeof(*instance), GFP_KERNEL);  in speedtch_bind()
813 	if (!instance) {  in speedtch_bind()
819 	instance->usbatm = usbatm;  in speedtch_bind()
822 	instance->params.altsetting = altsetting;  in speedtch_bind()
823 	instance->params.BMaxDSL = BMaxDSL;  in speedtch_bind()
824 	instance->params.ModemMode = ModemMode;  in speedtch_bind()
825 	memcpy(instance->params.ModemOption, DEFAULT_MODEM_OPTION, MODEM_OPTION_LENGTH);  in speedtch_bind()
826 	memcpy(instance->params.ModemOption, ModemOption, num_ModemOption);  in speedtch_bind()
829 	if (instance->params.altsetting)  in speedtch_bind()
830 		if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) {  in speedtch_bind()
831 …usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, instance->params.altsetti…  in speedtch_bind()
832 			instance->params.altsetting = 0; /* fall back to default */  in speedtch_bind()
835 	if (!instance->params.altsetting && use_isoc)  in speedtch_bind()
861 	if (!use_isoc && !instance->params.altsetting)  in speedtch_bind()
867 	if (!instance->params.altsetting)  in speedtch_bind()
868 		instance->params.altsetting = use_isoc ? DEFAULT_ISOC_ALTSETTING : DEFAULT_BULK_ALTSETTING;  in speedtch_bind()
872 	INIT_WORK(&instance->status_check_work, speedtch_check_status);  in speedtch_bind()
873 	init_timer(&instance->status_check_timer);  in speedtch_bind()
875 	instance->status_check_timer.function = speedtch_status_poll;  in speedtch_bind()
876 	instance->status_check_timer.data = (unsigned long)instance;  in speedtch_bind()
877 	instance->last_status = 0xff;  in speedtch_bind()
878 	instance->poll_delay = MIN_POLL_DELAY;  in speedtch_bind()
880 	init_timer(&instance->resubmit_timer);  in speedtch_bind()
881 	instance->resubmit_timer.function = speedtch_resubmit_int;  in speedtch_bind()
882 	instance->resubmit_timer.data = (unsigned long)instance;  in speedtch_bind()
884 	instance->int_urb = usb_alloc_urb(0, GFP_KERNEL);  in speedtch_bind()
886 	if (instance->int_urb)  in speedtch_bind()
887 		usb_fill_int_urb(instance->int_urb, usb_dev,  in speedtch_bind()
889 				 instance->int_data, sizeof(instance->int_data),  in speedtch_bind()
890 				 speedtch_handle_int, instance, 16);  in speedtch_bind()
897 			      instance->scratch_buffer + OFFSET_7, SIZE_7, 500);  in speedtch_bind()
909         usbatm->driver_data = instance;  in speedtch_bind()
914 	usb_free_urb(instance->int_urb);  in speedtch_bind()
915 	kfree(instance);  in speedtch_bind()
924 	struct speedtch_instance_data *instance = usbatm->driver_data;  in speedtch_unbind()  local
929 	usb_free_urb(instance->int_urb);  in speedtch_unbind()
930 	kfree(instance);  in speedtch_unbind()