Port_t
static int espattach (struct com_s *com, Port_t esp_port);
static void siocntxwait (Port_t iobase);
static Port_t siocniobase;
static Port_t siogdbiobase;
static Port_t likely_com_ports[] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, };
static Port_t likely_esp_ports[] = { 0x140, 0x180, 0x280, 0 };
static speed_t siocngetspeed (Port_t, u_long rclk);
static void siocnclose (struct siocnstate *sp, Port_t iobase);
static void siocnopen (struct siocnstate *sp, Port_t iobase, int speed);
siocntxwait(Port_t iobase)
siocngetspeed(Port_t iobase, u_long rclk)
siocnopen(struct siocnstate *sp, Port_t iobase, int speed)
siocnclose(struct siocnstate *sp, Port_t iobase)
Port_t iobase;
Port_t iobase;
Port_t iobase;
Port_t iobase;
Port_t iobase;
Port_t xiobase;
espattach(struct com_s *com, Port_t esp_port)
Port_t *espp;
Port_t iobase;
Port_t data_port; /* i/o ports */
Port_t esp_port;
Port_t int_id_port;
Port_t modem_ctl_port;
Port_t line_status_port;
Port_t modem_status_port;
Port_t intr_ctl_port; /* Ports of IIR register */