dev/sio/sio.c

227 	struct tty	*tp;	/* cross reference */
259 static	void	combreak(struct tty *tp, int sig);
262 static	void	comclose(struct tty *tp);
263 static	int	comopen(struct tty *tp, struct cdev *dev);
267 static	int	commodem(struct tty *tp, int sigon, int sigoff);
268 static	int	comparam(struct tty *tp, struct termios *t);
272 static	void	comstart(struct tty *tp);
273 static	void	comstop(struct tty *tp, int rw);
335 	struct tty *tp;
352 	tp = com->tp;
353 	if (tp == NULL)
361 	tp->t_init_in.c_ispeed  = tp->t_init_in.c_ospeed =
362 	tp->t_lock_in.c_ispeed  = tp->t_lock_in.c_ospeed =
363 	tp->t_init_out.c_ispeed = tp->t_init_out.c_ospeed =
364 	tp->t_lock_out.c_ispeed = tp->t_lock_out.c_ospeed = comdefaultrate;
366 	if (tp->t_state & TS_ISOPEN) {
367 		tp->t_termios.c_ispeed =
368 		tp->t_termios.c_ospeed = comdefaultrate;
370 		error = comparam(tp, &tp->t_termios);
404 	if (com->tp)
405 		ttyfree(com->tp);
885 	struct tty	*tp;
933 	tp = com->tp = ttyalloc();
934 	tp->t_oproc = comstart;
935 	tp->t_param = comparam;
936 	tp->t_stop = comstop;
937 	tp->t_modem = commodem;
938 	tp->t_break = combreak;
939 	tp->t_close = comclose;
940 	tp->t_open = comopen;
941 	tp->t_sc = com;
948 		ttyconsolemode(tp, comdefaultrate);
949 	error = siosetwater(com, tp->t_init_in.c_ispeed);
1086 	tp->t_pps = &com->pps;
1122 	ttycreate(tp, TS_CALLOUT, "d%r", unit);
1128 comopen(struct tty *tp, struct cdev *dev)
1133 	com = tp->t_sc;
1186 		ttyld_modem(tp, 1);
1191 comclose(tp)
1192 	struct tty	*tp;
1198 	com = tp->t_sc;
1213 		if (tp->t_cflag & HUPCL
1221 		    || (!tp->t_actout
1223 		        && !(tp->t_init_in.c_cflag & CLOCAL))
1224 		    || !(tp->t_state & TS_ISOPEN)) {
1225 			(void)commodem(tp, 0, SER_DTR);
1226 			ttydtrwaitstart(tp);
1237 	tp->t_actout = FALSE;
1238 	wakeup(&tp->t_actout);
1239 	wakeup(TSA_CARR_ON(tp));	/* restart any wopeners */
1266 		com->tp->t_state &= ~TS_BUSY;
1267 		ttwwakeup(com->tp);
1316 	struct tty	*tp;
1319 	tp = com->tp;
1320 	if (!(tp->t_state & TS_ISOPEN) || !(tp->t_cflag & CREAD)) {
1325 	if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
1341 			if (tp->t_rawq.c_cc + incc > tp->t_ihiwat
1343 				|| tp->t_iflag & IXOFF)
1344 			    && !(tp->t_state & TS_TBLOCK))
1345 				ttyblock(tp);
1347 				+= b_to_q((char *)buf, incc, &tp->t_rawq);
1351 			tp->t_rawcc += incc;
1352 			ttwakeup(tp);
1353 			if (tp->t_state & TS_TTSTOP
1354 			    && (tp->t_iflag & IXANY
1355 				|| tp->t_cc[VSTART] == tp->t_cc[VSTOP])) {
1356 				tp->t_state &= ~TS_TTSTOP;
1357 				tp->t_lflag &= ~FLUSHO;
1358 				comstart(tp);
1383 			ttyld_rint(tp, recv_data);
1396 	    !(tp->t_state & TS_TBLOCK))
1547 					if (com->tp == NULL
1548 					    || com->tp->t_iflag & IGNBRK)
1551 					if (com->tp == NULL
1552 					    || com->tp->t_iflag & IGNPAR)
1555 				if (com->tp->t_state & TS_CAN_BYPASS_L_RINT
1557 					|| com->tp->t_iflag & INPCK))
1561 			if (com->tp != NULL &&
1562 			    com->tp->t_hotchar != 0 && recv_data == com->tp->t_hotchar)
1568 				if (com->tp != NULL && com->tp->t_do_timestamp)
1569 					microtime(&com->tp->t_timestamp);
1697 		struct tty	*tp;
1702 		tp = com->tp;
1703 		if (tp == NULL || com->gone) {
1735 				ttyld_modem(tp,
1748 			ttyld_start(tp);
1758 combreak(tp, sig)
1759 	struct tty 	*tp;
1764 	com = tp->t_sc;
1773 comparam(tp, t)
1774 	struct tty	*tp;
1786 	com = tp->t_sc;
1791 	if (t->c_ispeed != (t->c_ospeed != 0 ? t->c_ospeed : tp->t_ospeed))
1800 		(void)commodem(tp, 0, SER_DTR);	/* hang up line */
1802 		(void)commodem(tp, SER_DTR, 0);
1918 	ttyldoptim(tp);
1922 	comstart(tp);
1942 	struct tty	*tp;
1971 	tp = com->tp;
1972 	if (tp != NULL) {
1973 		tp->t_ififosize = 2 * ibufsize;
1974 		tp->t_ispeedwat = (speed_t)-1;
1975 		tp->t_ospeedwat = (speed_t)-1;
2005 comstart(tp)
2006 	struct tty	*tp;
2011 	com = tp->t_sc;
2016 	if (tp->t_state & TS_TTSTOP)
2020 	if (tp->t_state & TS_TBLOCK) {
2029 	if (tp->t_state & (TS_TIMEOUT | TS_TTSTOP)) {
2030 		ttwwakeup(tp);
2034 	if (tp->t_outq.c_cc != 0) {
2040 			    = com->obuf1 + q_to_b(&tp->t_outq, com->obuf1,
2058 		if (tp->t_outq.c_cc != 0 && !com->obufs[1].l_queued) {
2060 			    = com->obuf2 + q_to_b(&tp->t_outq, com->obuf2,
2078 		tp->t_state |= TS_BUSY;
2084 	ttwwakeup(tp);
2089 comstop(tp, rw)
2090 	struct tty	*tp;
2095 	com = tp->t_sc;
2112 		com->tp->t_state &= ~TS_BUSY;
2126 	comstart(tp);
2130 commodem(struct tty *tp, int sigon, int sigoff)
2135 	com = tp->t_sc;
2193 		if (com != NULL && com->tp != NULL
2194 		    && com->tp->t_state & TS_ISOPEN && !com->gone) {