Cross Reference: /drivers/tty/metag

Lines Matching defs:dport
162 	struct dashtty_port *dport = &dashtty_ports[channel];
165 	spin_lock_bh(&dport->rx_lock);
167 	if (!dport->rx_buf)
170 		     (void *)dport->rx_buf, &received) == CONAOK) {
175 			space = tty_prepare_flip_string(&dport->port, &cbuf,
181 			memcpy(cbuf, dport->rx_buf, space);
182 			tty_flip_buffer_push(&dport->port);
186 	spin_unlock_bh(&dport->rx_lock);
201 	struct dashtty_port *dport;
207 		dport = &dashtty_ports[chan];
208 		if (dport->rx_buf) {
231 	struct dashtty_port *dport;
236 	dport = &dashtty_ports[chan];
237 	mutex_lock(&dport->xmit_lock);
238 	if (dport->xmit_cnt) {
239 		count = min((unsigned int)(SERIAL_XMIT_SIZE - dport->xmit_tail),
240 			    dport->xmit_cnt);
242 			 dport->port.xmit_buf + dport->xmit_tail,
244 		dport->xmit_cnt -= number_written;
245 		if (!dport->xmit_cnt) {
247 			dport->xmit_head = 0;
248 			dport->xmit_tail = 0;
249 			complete(&dport->xmit_empty);
251 			dport->xmit_tail += number_written;
252 			if (dport->xmit_tail >= SERIAL_XMIT_SIZE)
253 				dport->xmit_tail -= SERIAL_XMIT_SIZE;
257 	mutex_unlock(&dport->xmit_lock);
261 		tty = tty_port_tty_get(&dport->port);
343 	struct dashtty_port *dport = container_of(port, struct dashtty_port,
356 	spin_lock_bh(&dport->rx_lock);
357 	dport->rx_buf = rx_buf;
358 	spin_unlock_bh(&dport->rx_lock);
366 	if (console_poll || dport != &dashtty_ports[CONSOLE_CHANNEL])
379 	struct dashtty_port *dport = container_of(port, struct dashtty_port,
385 	if (console_poll || dport != &dashtty_ports[CONSOLE_CHANNEL])
389 	mutex_lock(&dport->xmit_lock);
390 	count = dport->xmit_cnt;
391 	mutex_unlock(&dport->xmit_lock);
399 		wait_for_completion(&dport->xmit_empty);
403 	spin_lock_bh(&dport->rx_lock);
404 	rx_buf = dport->rx_buf;
405 	dport->rx_buf = NULL;
406 	spin_unlock_bh(&dport->rx_lock);
437 	struct dashtty_port *dport;
440 	dport = &dashtty_ports[channel];
443 	mutex_lock(&dport->xmit_lock);
444 	if (dport->xmit_cnt) {
445 		atomic_sub(dport->xmit_cnt, &dashtty_xmit_cnt);
446 		dport->xmit_cnt = 0;
447 		dport->xmit_head = 0;
448 		dport->xmit_tail = 0;
449 		complete(&dport->xmit_empty);
451 	mutex_unlock(&dport->xmit_lock);
474 	struct dashtty_port *dport;
478 	dport = &dashtty_ports[channel];
491 	mutex_lock(&dport->xmit_lock);
493 	total = min(total, (int)(SERIAL_XMIT_SIZE - dport->xmit_cnt));
495 	dport->xmit_cnt += total;
498 		block = min(count, (int)(SERIAL_XMIT_SIZE - dport->xmit_head));
499 		memcpy(dport->port.xmit_buf + dport->xmit_head, buf, block);
500 		dport->xmit_head += block;
501 		if (dport->xmit_head >= SERIAL_XMIT_SIZE)
502 			dport->xmit_head -= SERIAL_XMIT_SIZE;
505 	count = dport->xmit_cnt;
508 		reinit_completion(&dport->xmit_empty);
509 	mutex_unlock(&dport->xmit_lock);
529 	struct dashtty_port *dport;
534 	dport = &dashtty_ports[channel];
537 	mutex_lock(&dport->xmit_lock);
538 	room = SERIAL_XMIT_SIZE - dport->xmit_cnt;
539 	mutex_unlock(&dport->xmit_lock);
546 	struct dashtty_port *dport;
551 	dport = &dashtty_ports[channel];
554 	mutex_lock(&dport->xmit_lock);
555 	chars = dport->xmit_cnt;
556 	mutex_unlock(&dport->xmit_lock);
575 	struct dashtty_port *dport;
596 		dport = &dashtty_ports[nport];
597 		tty_port_init(&dport->port);
598 		dport->port.ops = &dashtty_port_ops;
599 		spin_lock_init(&dport->rx_lock);
600 		mutex_init(&dport->xmit_lock);
602 		init_completion(&dport->xmit_empty);
603 		complete(&dport->xmit_empty);
637 		dport = &dashtty_ports[nport];
638 		tty_port_destroy(&dport->port);
647 	struct dashtty_port *dport;
654 		dport = &dashtty_ports[nport];
655 		tty_port_destroy(&dport->port);