+static int carrier_raised(struct tty_port *port)
+{
+ struct r_port *info = container_of(port, struct r_port, port);
+ return (sGetChanStatusLo(&info->channel) & CD_ACT) ? 1 : 0;
+}
+
+static void raise_dtr_rts(struct tty_port *port)
+{
+ struct r_port *info = container_of(port, struct r_port, port);
+ sSetDTR(&info->channel);
+ sSetRTS(&info->channel);
+}
+