xref: /csrg-svn/sys/kern/tty_conf.c (revision 64592)
149594Sbostic /*-
263178Sbostic  * Copyright (c) 1982, 1986, 1991, 1993
363178Sbostic  *	The Regents of the University of California.  All rights reserved.
423389Smckusick  *
549594Sbostic  * %sccs.include.redist.c%
649594Sbostic  *
7*64592Sbostic  *	@(#)tty_conf.c	8.3 (Berkeley) 09/23/93
823389Smckusick  */
98553Sroot 
1056517Sbostic #include <sys/param.h>
1156517Sbostic #include <sys/systm.h>
1256517Sbostic #include <sys/buf.h>
1356517Sbostic #include <sys/ioctl.h>
1456517Sbostic #include <sys/proc.h>
1556517Sbostic #include <sys/tty.h>
1656517Sbostic #include <sys/conf.h>
178553Sroot 
1852404Storek #define	ttynodisc ((int (*) __P((dev_t, struct tty *)))enodev)
1952404Storek #define	ttyerrclose ((int (*) __P((struct tty *, int flags)))enodev)
2052404Storek #define	ttyerrio ((int (*) __P((struct tty *, struct uio *, int)))enodev)
2152404Storek #define	ttyerrinput ((int (*) __P((int c, struct tty *)))enodev)
2252404Storek #define	ttyerrstart ((int (*) __P((struct tty *)))enodev)
238553Sroot 
2452404Storek int	nullioctl __P((struct tty *tp, int cmd, caddr_t data,
2552404Storek 			int flag, struct proc *p));
268553Sroot 
278553Sroot #include "tb.h"
288553Sroot #if NTB > 0
2952404Storek int	tbopen __P((dev_t dev, struct tty *tp));
3052404Storek int	tbclose __P((struct tty *tp, int flags));
3152404Storek int	tbread __P((struct tty *, struct uio *, int flags));
3252404Storek int	tbioctl __P((struct tty *tp, int cmd, caddr_t data,
3352404Storek 			int flag, struct proc *p));
3452404Storek int	tbinput __P((int c, struct tty *tp));
358553Sroot #endif
3646745Smckusick 
3726123Skarels #include "sl.h"
3826123Skarels #if NSL > 0
3952404Storek int	slopen __P((dev_t dev, struct tty *tp));
4052404Storek int	slclose __P((struct tty *tp, int flags));
4152404Storek int	sltioctl __P((struct tty *tp, int cmd, caddr_t data,
4252404Storek 			int flag, struct proc *p));
4352404Storek int	slinput __P((int c, struct tty *tp));
4452404Storek int	slstart __P((struct tty *tp));
4526123Skarels #endif
468553Sroot 
4726123Skarels 
488553Sroot struct	linesw linesw[] =
498553Sroot {
5060516Storek 	{ ttyopen, ttylclose, ttread, ttwrite, nullioctl,
5160516Storek 	  ttyinput, ttstart, ttymodem },		/* 0- termios */
5237587Smarc 
5360516Storek 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
5460516Storek 	  ttyerrinput, ttyerrstart, nullmodem },	/* 1- defunct */
5537587Smarc 
5660516Storek 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
5760516Storek 	  ttyerrinput, ttyerrstart, nullmodem },	/* 2- defunct */
5852404Storek 
598553Sroot #if NTB > 0
6060516Storek 	{ tbopen, tbclose, tbread, enodev, tbioctl,
6160516Storek 	  tbinput, ttstart, nullmodem },		/* 3- TABLDISC */
628553Sroot #else
6360516Storek 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
6460516Storek 	  ttyerrinput, ttyerrstart, nullmodem },
658553Sroot #endif
6652404Storek 
6726123Skarels #if NSL > 0
6860516Storek 	{ slopen, slclose, ttyerrio, ttyerrio, sltioctl,
6960516Storek 	  slinput, slstart, nullmodem },		/* 4- SLIPDISC */
7026123Skarels #else
7160516Storek 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
7260516Storek 	  ttyerrinput, ttyerrstart, nullmodem },
7326123Skarels #endif
748553Sroot };
758553Sroot 
76*64592Sbostic int	nlinesw = sizeof (linesw) / sizeof (linesw[0]);
7712753Ssam 
7812753Ssam /*
7912753Ssam  * Do nothing specific version of line
8012753Ssam  * discipline specific ioctl command.
8112753Ssam  */
8212753Ssam /*ARGSUSED*/
8352404Storek nullioctl(tp, cmd, data, flags, p)
8412753Ssam 	struct tty *tp;
8552404Storek 	int cmd;
8612753Ssam 	char *data;
8712753Ssam 	int flags;
8852404Storek 	struct proc *p;
8912753Ssam {
9012753Ssam 
9112753Ssam #ifdef lint
9252404Storek 	tp = tp; data = data; flags = flags; p = p;
9312753Ssam #endif
9412753Ssam 	return (-1);
9512753Ssam }
96