85 	struct tty *tp;  in arcbios_ttyopen()  local
99 		tp = arcbios_tty[unit] = tty_alloc();  in arcbios_ttyopen()
100 		tty_attach(tp);  in arcbios_ttyopen()
102 		tp = arcbios_tty[unit];  in arcbios_ttyopen()
104 	tp->t_oproc = arcbios_tty_start;  in arcbios_ttyopen()
105 	tp->t_param = arcbios_tty_param;  in arcbios_ttyopen()
106 	tp->t_dev = dev;  in arcbios_ttyopen()
108 	if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) {  in arcbios_ttyopen()
113 	if ((tp->t_state & TS_ISOPEN) == 0) {  in arcbios_ttyopen()
114 		tp->t_state |= TS_CARR_ON;  in arcbios_ttyopen()
115 		ttychars(tp);  in arcbios_ttyopen()
116 		tp->t_iflag = TTYDEF_IFLAG;  in arcbios_ttyopen()
117 		tp->t_oflag = TTYDEF_OFLAG;  in arcbios_ttyopen()
118 		tp->t_cflag = TTYDEF_CFLAG | CLOCAL;  in arcbios_ttyopen()
119 		tp->t_lflag = TTYDEF_LFLAG;  in arcbios_ttyopen()
120 		tp->t_ispeed = tp->t_ospeed = 9600;  in arcbios_ttyopen()
121 		ttsetwater(tp);  in arcbios_ttyopen()
128 	error = (*tp->t_linesw->l_open)(dev, tp);  in arcbios_ttyopen()
130 		callout_reset(&arcbios_tty_ch, 1, arcbios_tty_poll, tp);  in arcbios_ttyopen()
139 	struct tty *tp = arcbios_tty[unit];  in arcbios_ttyclose()  local
142 	(*tp->t_linesw->l_close)(tp, flag);  in arcbios_ttyclose()
143 	ttyclose(tp);  in arcbios_ttyclose()
150 	struct tty *tp = arcbios_tty[minor(dev)];  in arcbios_ttyread()  local
152 	return ((*tp->t_linesw->l_read)(tp, uio, flag));  in arcbios_ttyread()
158 	struct tty *tp = arcbios_tty[minor(dev)];  in arcbios_ttywrite()  local
160 	return ((*tp->t_linesw->l_write)(tp, uio, flag));  in arcbios_ttywrite()
166 	struct tty *tp = arcbios_tty[minor(dev)];  in arcbios_ttypoll()  local
168 	return ((*tp->t_linesw->l_poll)(tp, events, l));  in arcbios_ttypoll()
175 	struct tty *tp = arcbios_tty[unit];  in arcbios_ttyioctl()  local
178 	error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l);  in arcbios_ttyioctl()
181 	return (ttioctl(tp, cmd, data, flag, l));  in arcbios_ttyioctl()
185 arcbios_tty_param(struct tty *tp, struct termios *t)  in arcbios_tty_param()  argument
192 arcbios_tty_start(struct tty *tp)  in arcbios_tty_start()  argument
198 	if (tp->t_state & (TS_TTSTOP | TS_BUSY))  in arcbios_tty_start()
200 	ttypull(tp);  in arcbios_tty_start()
201 	tp->t_state |= TS_BUSY;  in arcbios_tty_start()
202 	while (tp->t_outq.c_cc != 0) {  in arcbios_tty_start()
203 		arcbios_Write(ARCBIOS_STDOUT, tp->t_outq.c_cf,  in arcbios_tty_start()
204 		    ndqb(&tp->t_outq, 0), &count);  in arcbios_tty_start()
205 		ndflush(&tp->t_outq, count);  in arcbios_tty_start()
207 	tp->t_state &= ~TS_BUSY;  in arcbios_tty_start()
213 arcbios_ttystop(struct tty *tp, int flag)  in arcbios_ttystop()  argument
218 	if (tp->t_state & TS_BUSY)  in arcbios_ttystop()
219 		if ((tp->t_state & TS_TTSTOP) == 0)  in arcbios_ttystop()
220 			tp->t_state |= TS_FLUSH;  in arcbios_ttystop()
246 	struct tty *tp = v;  in arcbios_tty_poll()  local
250 		if (tp->t_state & TS_ISOPEN)  in arcbios_tty_poll()
251 			(void)(*tp->t_linesw->l_rint)(c, tp);  in arcbios_tty_poll()
253 	callout_reset(&arcbios_tty_ch, 1, arcbios_tty_poll, tp);  in arcbios_tty_poll()