174 	outb(0x81, LCR(dev->base_addr));	/* DLAB = 1 */  in ser12_set_divisor()
175 	outb(divisor, DLL(dev->base_addr));  in ser12_set_divisor()
176 	outb(0, DLM(dev->base_addr));  in ser12_set_divisor()
177 	outb(0x01, LCR(dev->base_addr));	/* word length = 6 */  in ser12_set_divisor()
183 	outb(0x00, THR(dev->base_addr));  in ser12_set_divisor()
209 	outb(0x0e | (!!bc->modem.ser12.tx_bit), MCR(dev->base_addr));  in ser12_tx()
225 	cur_s = inb(MSR(dev->base_addr)) & 0x10;	/* the CTS line */  in ser12_rx()
355 	outb(0x0d, MCR(dev->base_addr));		/* transmitter off */  in ser12_rx()
362 			hdlcdrv_setdcd(&bc->hdrv, !((inb(MSR(dev->base_addr)) ^ bc->opt_dcd) & 0x80));  in ser12_rx()
387 	if ((iir = inb(IIR(dev->base_addr))) & 1)  in ser12_interrupt()
393 			inb(LSR(dev->base_addr));  in ser12_interrupt()
397 			inb(RBR(dev->base_addr));  in ser12_interrupt()
410 			outb(0x00, THR(dev->base_addr));  in ser12_interrupt()
414 			inb(MSR(dev->base_addr));  in ser12_interrupt()
417 		iir = inb(IIR(dev->base_addr));  in ser12_interrupt()
479 	if (!dev->base_addr || dev->base_addr > 0x1000-SER12_EXTENT ||  in ser12_open()
482 	if (!request_region(dev->base_addr, SER12_EXTENT, "baycom_ser12"))  in ser12_open()
486 	if ((u = ser12_check_uart(dev->base_addr)) == c_uart_unknown) {  in ser12_open()
487 		release_region(dev->base_addr, SER12_EXTENT);         in ser12_open()
490 	outb(0, FCR(dev->base_addr));  /* disable FIFOs */  in ser12_open()
491 	outb(0x0d, MCR(dev->base_addr));  in ser12_open()
492 	outb(0, IER(dev->base_addr));  in ser12_open()
495 		release_region(dev->base_addr, SER12_EXTENT);         in ser12_open()
501 	outb(2, IER(dev->base_addr));  in ser12_open()
509 	       bc_drvname, dev->base_addr, dev->irq, uart_str[u]);  in ser12_open()
524 	outb(0, IER(dev->base_addr));  in ser12_close()
525 	outb(1, MCR(dev->base_addr));  in ser12_close()
527 	release_region(dev->base_addr, SER12_EXTENT);  in ser12_close()
529 	       bc_drvname, dev->base_addr, dev->irq);  in ser12_close()