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Lines Matching defs:com_port

45 	struct NS16550 *com_port;
47 	com_port = (struct NS16550 *)(COMBASE + addr);
49 	com_port->lcr = 0x80;  /* Access baud rate */
51 	com_port->dll = speed;
52 	com_port->dlm = (speed >> 8) & 0xff;
54 	com_port->lcr = 0x03;  /* 8 data, 1 stop, no parity */
55 	com_port->mcr = 0x00;
56 	com_port->fcr = 0x07;  /* Clear & enable FIFOs */
57 	com_port->ier = 0x00;  /* enable no interrupts */
59 	return (com_port);
63 NS16550_putc(volatile struct NS16550 *com_port, int c)
66 	while ((com_port->lsr & LSR_THRE) == 0)
68 	com_port->thr = c;
72 NS16550_getc(volatile struct NS16550 *com_port)
75 	while ((com_port->lsr & LSR_DR) == 0)
77 	return (com_port->rbr);
81 NS16550_scankbd(volatile struct NS16550 *com_port)
84 	if ((com_port->lsr & LSR_DR) == 0)
86 	return (com_port->rbr);
90 NS16550_test(volatile struct NS16550 *com_port)
93 	return ((com_port->lsr & LSR_DR) != 0);