new terminal driver

[unix-history] / usr / src / sys / kern / tty_conf.c

/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved.  The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
*      @(#)tty_conf.c  7.3 (Berkeley) %G%
*/

#include "param.h"
#include "systm.h"
#include "buf.h"
#include "ioctl.h"
#include "tty.h"
#include "conf.h"

int     nodev();
int     nulldev();

int     ttyopen(),ttylclose(),ttread(),ttwrite(),nullioctl(),ttstart();
int     ttymodem(), nullmodem(), ttyinput();

int     ottyopen(), ottylclose(), ottread(), ottwrite();
int     ottyinput(), ottstart(), ottymodem();

#include "bk.h"
#if NBK > 0
int     bkopen(),bkclose(),bkread(),bkinput(),bkioctl();
#endif

#include "tb.h"
#if NTB > 0
int     tbopen(),tbclose(),tbread(),tbinput(),tbioctl();
#endif
#include "sl.h"
#if NSL > 0
int     slopen(),slclose(),slinput(),sltioctl(),slstart();
#endif


struct  linesw linesw[] =
{
       ttyopen, ttylclose, ttread, ttwrite, nullioctl,
       ttyinput, nodev, nulldev, ttstart, ttymodem,    /* 0- termios */
#if NBK > 0
       bkopen, bkclose, bkread, ttwrite, bkioctl,
       bkinput, nodev, nulldev, ttstart, nullmodem,    /* 1- NETLDISC */
#else
       nodev, nodev, nodev, nodev, nodev,
       nodev, nodev, nodev, nodev, nodev,
#endif
       nodev, nodev, nodev, nodev, nodev,              /* 2- defunct */
       nodev, nodev, nodev, nodev, nodev,
#if NTB > 0
       tbopen, tbclose, tbread, nodev, tbioctl,
       tbinput, nodev, nulldev, ttstart, nullmodem,    /* 3- TABLDISC */
#else
       nodev, nodev, nodev, nodev, nodev,
       nodev, nodev, nodev, nodev, nodev,
#endif
#if NSL > 0
       slopen, slclose, nodev, nodev, sltioctl,
       slinput, nodev, nulldev, slstart, nullmodem,    /* 4- SLIPDISC */
#else
       nodev, nodev, nodev, nodev, nodev,
       nodev, nodev, nodev, nodev, nodev,
#endif
};

int     nldisp = sizeof (linesw) / sizeof (linesw[0]);

/*
* Do nothing specific version of line
* discipline specific ioctl command.
*/
/*ARGSUSED*/
nullioctl(tp, cmd, data, flags)
       struct tty *tp;
       char *data;
       int flags;
{

#ifdef lint
       tp = tp; data = data; flags = flags;
#endif
       return (-1);
}