dev/sio/sio.c

437 	Port_t		iobase;
552 	iobase = rman_get_start(port);
596 	if (iobase == siocniobase)
642 	if (iobase == siocniobase)
702 		if (iobase == siocniobase)
787 	if (iobase == siocniobase)
878 	Port_t		iobase;
893 	iobase = rman_get_start(port);
925 	com->data_port = iobase + com_data;
926 	com->int_ctl_port = iobase + com_ier;
927 	com->int_id_port = iobase + com_iir;
928 	com->modem_ctl_port = iobase + com_mcr;
930 	com->line_status_port = iobase + com_lsr;
931 	com->modem_status_port = iobase + com_msr;
956 		if (iobase != siocniobase)
2293 static void siocnclose(struct siocnstate *sp, Port_t iobase);
2294 static void siocnopen(struct siocnstate *sp, Port_t iobase, int speed);
2295 static void siocntxwait(Port_t iobase);
2308 siocntxwait(iobase)
2309 	Port_t	iobase;
2319 	while ((inb(iobase + com_lsr) & (LSR_TSRE | LSR_TXRDY))
2334 siocngetspeed(iobase, rclk)
2335 	Port_t	iobase;
2343 	cfcr = inb(iobase + com_cfcr);
2344 	outb(iobase + com_cfcr, CFCR_DLAB | cfcr);
2346 	dlbl = inb(iobase + com_dlbl);
2347 	dlbh = inb(iobase + com_dlbh);
2349 	outb(iobase + com_cfcr, cfcr);
2360 siocnopen(sp, iobase, speed)
2362 	Port_t			iobase;
2374 	sp->ier = inb(iobase + com_ier);
2375 	outb(iobase + com_ier, 0);	/* spltty() doesn't stop siointr() */
2376 	siocntxwait(iobase);
2377 	sp->cfcr = inb(iobase + com_cfcr);
2378 	outb(iobase + com_cfcr, CFCR_DLAB | CFCR_8BITS);
2379 	sp->dlbl = inb(iobase + com_dlbl);
2380 	sp->dlbh = inb(iobase + com_dlbh);
2390 		outb(iobase + com_dlbl, dlbl);
2393 		outb(iobase + com_dlbh, dlbh);
2394 	outb(iobase + com_cfcr, CFCR_8BITS);
2395 	sp->mcr = inb(iobase + com_mcr);
2401 	outb(iobase + com_mcr, (sp->mcr & MCR_IENABLE) | MCR_DTR | MCR_RTS);
2405 siocnclose(sp, iobase)
2407 	Port_t			iobase;
2412 	siocntxwait(iobase);
2413 	outb(iobase + com_cfcr, CFCR_DLAB | CFCR_8BITS);
2414 	if (sp->dlbl != inb(iobase + com_dlbl))
2415 		outb(iobase + com_dlbl, sp->dlbl);
2416 	if (sp->dlbh != inb(iobase + com_dlbh))
2417 		outb(iobase + com_dlbh, sp->dlbh);
2418 	outb(iobase + com_cfcr, sp->cfcr);
2422 	outb(iobase + com_mcr, sp->mcr | MCR_DTR | MCR_RTS);
2423 	outb(iobase + com_ier, sp->ier);
2461 			Port_t iobase;
2465 			iobase = port;
2469 				    siocngetspeed(iobase, comdefaultrclk);
2483 			cfcr = inb(iobase + com_cfcr);
2484 			outb(iobase + com_cfcr, CFCR_DLAB | cfcr);
2486 			outb(iobase + com_dlbl, divisor & 0xff);
2487 			outb(iobase + com_dlbh, divisor >> 8);
2488 			outb(iobase + com_cfcr, cfcr);
2490 			siocnopen(&sp, iobase, comdefaultrate);
2498 				siocniobase = iobase;
2503 				siogdbiobase = iobase;
2537 	Port_t	iobase;
2543 		iobase = siocniobase;
2547 		iobase = siogdbiobase;
2554 	siocnopen(&sp, iobase, speed);
2555 	if (inb(iobase + com_lsr) & LSR_RXRDY)
2556 		c = inb(iobase + com_data);
2559 	siocnclose(&sp, iobase);
2570 	Port_t	iobase;
2574 		iobase = siocniobase;
2578 		iobase = siogdbiobase;
2590 	siocnopen(&sp, iobase, speed);
2591 	siocntxwait(iobase);
2592 	outb(iobase + com_data, c);
2593 	siocnclose(&sp, iobase);