88 	struct mos7715_parport  *mos_parport;  member
251 static inline int mos7715_change_mode(struct mos7715_parport *mos_parport,  in mos7715_change_mode()  argument
254 	mos_parport->shadowECR = mode;  in mos7715_change_mode()
255 	write_mos_reg(mos_parport->serial, dummy, ECR, mos_parport->shadowECR);  in mos7715_change_mode()
261 	struct mos7715_parport *mos_parport =  in destroy_mos_parport()  local
264 	kfree(mos_parport);  in destroy_mos_parport()
271 	struct mos7715_parport *mos_parport = urbtrack->mos_parport;  in destroy_urbtracker()  local
276 	kref_put(&mos_parport->ref_count, destroy_mos_parport);  in destroy_urbtracker()
288 	struct mos7715_parport *mos_parport = (void *)_mos_parport;  in send_deferred_urbs()  local
294 	if (unlikely(mos_parport->serial == NULL))  in send_deferred_urbs()
297 	dev = &mos_parport->serial->dev->dev;  in send_deferred_urbs()
300 	if (!mutex_trylock(&mos_parport->serial->disc_mutex)) {  in send_deferred_urbs()
302 		tasklet_schedule(&mos_parport->urb_tasklet);  in send_deferred_urbs()
307 	if (unlikely(mos_parport->serial->disconnected)) {  in send_deferred_urbs()
308 		mutex_unlock(&mos_parport->serial->disc_mutex);  in send_deferred_urbs()
312 	spin_lock_irqsave(&mos_parport->listlock, flags);  in send_deferred_urbs()
313 	if (list_empty(&mos_parport->deferred_urbs)) {  in send_deferred_urbs()
314 		spin_unlock_irqrestore(&mos_parport->listlock, flags);  in send_deferred_urbs()
315 		mutex_unlock(&mos_parport->serial->disc_mutex);  in send_deferred_urbs()
321 	list_for_each_safe(cursor, next, &mos_parport->deferred_urbs)  in send_deferred_urbs()
322 		list_move_tail(cursor, &mos_parport->active_urbs);  in send_deferred_urbs()
323 	list_for_each_entry_safe(urbtrack, tmp, &mos_parport->active_urbs,  in send_deferred_urbs()
333 	spin_unlock_irqrestore(&mos_parport->listlock, flags);  in send_deferred_urbs()
334 	mutex_unlock(&mos_parport->serial->disc_mutex);  in send_deferred_urbs()
347 	spin_lock(&urbtrack->mos_parport->listlock);  in async_complete()
349 	spin_unlock(&urbtrack->mos_parport->listlock);  in async_complete()
353 static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,  in write_parport_reg_nonblock()  argument
359 	struct usb_serial *serial = mos_parport->serial;  in write_parport_reg_nonblock()
367 	kref_get(&mos_parport->ref_count);  in write_parport_reg_nonblock()
368 	urbtrack->mos_parport = mos_parport;  in write_parport_reg_nonblock()
397 		spin_lock_irqsave(&mos_parport->listlock, flags);  in write_parport_reg_nonblock()
399 			      &mos_parport->deferred_urbs);  in write_parport_reg_nonblock()
400 		spin_unlock_irqrestore(&mos_parport->listlock, flags);  in write_parport_reg_nonblock()
401 		tasklet_schedule(&mos_parport->urb_tasklet);  in write_parport_reg_nonblock()
414 	spin_lock_irqsave(&mos_parport->listlock, flags);  in write_parport_reg_nonblock()
415 	list_add_tail(&urbtrack->urblist_entry, &mos_parport->active_urbs);  in write_parport_reg_nonblock()
416 	spin_unlock_irqrestore(&mos_parport->listlock, flags);  in write_parport_reg_nonblock()
422 		spin_lock_irqsave(&mos_parport->listlock, flags);  in write_parport_reg_nonblock()
424 		spin_unlock_irqrestore(&mos_parport->listlock, flags);  in write_parport_reg_nonblock()
445 	struct mos7715_parport *mos_parport;  in parport_prologue()  local
448 	mos_parport = pp->private_data;  in parport_prologue()
449 	if (unlikely(mos_parport == NULL)) {  in parport_prologue()
454 	mos_parport->msg_pending = true;   /* synch usb call pending */  in parport_prologue()
455 	reinit_completion(&mos_parport->syncmsg_compl);  in parport_prologue()
458 	mutex_lock(&mos_parport->serial->disc_mutex);  in parport_prologue()
459 	if (mos_parport->serial->disconnected) {  in parport_prologue()
461 		mutex_unlock(&mos_parport->serial->disc_mutex);  in parport_prologue()
462 		mos_parport->msg_pending = false;  in parport_prologue()
463 		complete(&mos_parport->syncmsg_compl);  in parport_prologue()
476 	struct mos7715_parport *mos_parport = pp->private_data;  in parport_epilogue()  local
477 	mutex_unlock(&mos_parport->serial->disc_mutex);  in parport_epilogue()
478 	mos_parport->msg_pending = false;  in parport_epilogue()
479 	complete(&mos_parport->syncmsg_compl);  in parport_epilogue()
484 	struct mos7715_parport *mos_parport = pp->private_data;  in parport_mos7715_write_data()  local
488 	mos7715_change_mode(mos_parport, SPP);  in parport_mos7715_write_data()
489 	write_mos_reg(mos_parport->serial, dummy, DPR, (__u8)d);  in parport_mos7715_write_data()
495 	struct mos7715_parport *mos_parport = pp->private_data;  in parport_mos7715_read_data()  local
500 	read_mos_reg(mos_parport->serial, dummy, DPR, &d);  in parport_mos7715_read_data()
507 	struct mos7715_parport *mos_parport = pp->private_data;  in parport_mos7715_write_control()  local
512 	data = ((__u8)d & 0x0f) | (mos_parport->shadowDCR & 0xf0);  in parport_mos7715_write_control()
513 	write_mos_reg(mos_parport->serial, dummy, DCR, data);  in parport_mos7715_write_control()
514 	mos_parport->shadowDCR = data;  in parport_mos7715_write_control()
520 	struct mos7715_parport *mos_parport = pp->private_data;  in parport_mos7715_read_control()  local
524 	mos_parport = pp->private_data;  in parport_mos7715_read_control()
525 	if (unlikely(mos_parport == NULL)) {  in parport_mos7715_read_control()
529 	dcr = mos_parport->shadowDCR & 0x0f;  in parport_mos7715_read_control()
538 	struct mos7715_parport *mos_parport = pp->private_data;  in parport_mos7715_frob_control()  local
545 	mos_parport->shadowDCR = (mos_parport->shadowDCR & (~mask)) ^ val;  in parport_mos7715_frob_control()
546 	write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR);  in parport_mos7715_frob_control()
547 	dcr = mos_parport->shadowDCR & 0x0f;  in parport_mos7715_frob_control()
555 	struct mos7715_parport *mos_parport = pp->private_data;  in parport_mos7715_read_status()  local
558 	mos_parport = pp->private_data;  in parport_mos7715_read_status()
559 	if (unlikely(mos_parport == NULL)) {	/* release called */  in parport_mos7715_read_status()
563 	status = atomic_read(&mos_parport->shadowDSR) & 0xf8;  in parport_mos7715_read_status()
578 	struct mos7715_parport *mos_parport = pp->private_data;  in parport_mos7715_data_forward()  local
582 	mos7715_change_mode(mos_parport, PS2);  in parport_mos7715_data_forward()
583 	mos_parport->shadowDCR &=  ~0x20;  in parport_mos7715_data_forward()
584 	write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR);  in parport_mos7715_data_forward()
590 	struct mos7715_parport *mos_parport = pp->private_data;  in parport_mos7715_data_reverse()  local
594 	mos7715_change_mode(mos_parport, PS2);  in parport_mos7715_data_reverse()
595 	mos_parport->shadowDCR |= 0x20;  in parport_mos7715_data_reverse()
596 	write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR);  in parport_mos7715_data_reverse()
611 	struct mos7715_parport *mos_parport;  in parport_mos7715_save_state()  local
614 	mos_parport = pp->private_data;  in parport_mos7715_save_state()
615 	if (unlikely(mos_parport == NULL)) {	/* release called */  in parport_mos7715_save_state()
619 	s->u.pc.ctr = mos_parport->shadowDCR;  in parport_mos7715_save_state()
620 	s->u.pc.ecr = mos_parport->shadowECR;  in parport_mos7715_save_state()
628 	struct mos7715_parport *mos_parport;  in parport_mos7715_restore_state()  local
631 	mos_parport = pp->private_data;  in parport_mos7715_restore_state()
632 	if (unlikely(mos_parport == NULL)) {	/* release called */  in parport_mos7715_restore_state()
636 	write_parport_reg_nonblock(mos_parport, DCR, mos_parport->shadowDCR);  in parport_mos7715_restore_state()
637 	write_parport_reg_nonblock(mos_parport, ECR, mos_parport->shadowECR);  in parport_mos7715_restore_state()
646 	struct mos7715_parport *mos_parport = pp->private_data;  in parport_mos7715_write_compat()  local
651 	mos7715_change_mode(mos_parport, PPF);  in parport_mos7715_write_compat()
652 	retval = usb_bulk_msg(mos_parport->serial->dev,  in parport_mos7715_write_compat()
653 			      usb_sndbulkpipe(mos_parport->serial->dev, 2),  in parport_mos7715_write_compat()
658 		dev_err(&mos_parport->serial->dev->dev,  in parport_mos7715_write_compat()
698 	struct mos7715_parport *mos_parport;  in mos7715_parport_init()  local
701 	mos_parport = kzalloc(sizeof(struct mos7715_parport), GFP_KERNEL);  in mos7715_parport_init()
702 	if (!mos_parport)  in mos7715_parport_init()
705 	mos_parport->msg_pending = false;  in mos7715_parport_init()
706 	kref_init(&mos_parport->ref_count);  in mos7715_parport_init()
707 	spin_lock_init(&mos_parport->listlock);  in mos7715_parport_init()
708 	INIT_LIST_HEAD(&mos_parport->active_urbs);  in mos7715_parport_init()
709 	INIT_LIST_HEAD(&mos_parport->deferred_urbs);  in mos7715_parport_init()
710 	usb_set_serial_data(serial, mos_parport); /* hijack private pointer */  in mos7715_parport_init()
711 	mos_parport->serial = serial;  in mos7715_parport_init()
712 	tasklet_init(&mos_parport->urb_tasklet, send_deferred_urbs,  in mos7715_parport_init()
713 		     (unsigned long) mos_parport);  in mos7715_parport_init()
714 	init_completion(&mos_parport->syncmsg_compl);  in mos7715_parport_init()
717 	write_mos_reg(mos_parport->serial, dummy, PP_REG, (__u8)0x80);  in mos7715_parport_init()
718 	write_mos_reg(mos_parport->serial, dummy, PP_REG, (__u8)0x00);  in mos7715_parport_init()
721 	mos_parport->shadowDCR = DCR_INIT_VAL;  in mos7715_parport_init()
722 	write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR);  in mos7715_parport_init()
723 	mos_parport->shadowECR = ECR_INIT_VAL;  in mos7715_parport_init()
724 	write_mos_reg(mos_parport->serial, dummy, ECR, mos_parport->shadowECR);  in mos7715_parport_init()
727 	mos_parport->pp = parport_register_port(0, PARPORT_IRQ_NONE,  in mos7715_parport_init()
730 	if (mos_parport->pp == NULL) {  in mos7715_parport_init()
733 		kref_put(&mos_parport->ref_count, destroy_mos_parport);  in mos7715_parport_init()
736 	mos_parport->pp->private_data = mos_parport;  in mos7715_parport_init()
737 	mos_parport->pp->modes = PARPORT_MODE_COMPAT | PARPORT_MODE_PCSPP;  in mos7715_parport_init()
738 	mos_parport->pp->dev = &serial->interface->dev;  in mos7715_parport_init()
739 	parport_announce_port(mos_parport->pp);  in mos7715_parport_init()
892 		struct mos7715_parport *mos_parport = port->serial->private;  in mos7715_interrupt_callback()  local
893 		if (unlikely(mos_parport == NULL))  in mos7715_interrupt_callback()
895 		atomic_set(&mos_parport->shadowDSR, data[2]);  in mos7715_interrupt_callback()
1960 		struct mos7715_parport *mos_parport =  in mos7720_release()  local
1965 		mos_parport->pp->private_data = NULL;  in mos7720_release()
1969 		if (mos_parport->msg_pending)  in mos7720_release()
1970 			wait_for_completion_timeout(&mos_parport->syncmsg_compl,  in mos7720_release()
1973 		parport_remove_port(mos_parport->pp);  in mos7720_release()
1975 		mos_parport->serial = NULL;  in mos7720_release()
1978 		tasklet_kill(&mos_parport->urb_tasklet);  in mos7720_release()
1981 		spin_lock_irqsave(&mos_parport->listlock, flags);  in mos7720_release()
1983 				    &mos_parport->active_urbs,  in mos7720_release()
1986 		spin_unlock_irqrestore(&mos_parport->listlock, flags);  in mos7720_release()
1988 		kref_put(&mos_parport->ref_count, destroy_mos_parport);  in mos7720_release()