| 1 | /*- |
| 2 | * Copyright (c) 1982, 1986, 1991 The Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * %sccs.include.redist.c% |
| 6 | * |
| 7 | * @(#)tty_conf.c 7.9 (Berkeley) %G% |
| 8 | */ |
| 9 | |
| 10 | #include <sys/param.h> |
| 11 | #include <sys/systm.h> |
| 12 | #include <sys/buf.h> |
| 13 | #include <sys/ioctl.h> |
| 14 | #include <sys/proc.h> |
| 15 | #include <sys/tty.h> |
| 16 | #include <sys/conf.h> |
| 17 | |
| 18 | #define ttynodisc ((int (*) __P((dev_t, struct tty *)))enodev) |
| 19 | #define ttyerrclose ((int (*) __P((struct tty *, int flags)))enodev) |
| 20 | #define ttyerrio ((int (*) __P((struct tty *, struct uio *, int)))enodev) |
| 21 | #define ttyerrinput ((int (*) __P((int c, struct tty *)))enodev) |
| 22 | #define ttyerrstart ((int (*) __P((struct tty *)))enodev) |
| 23 | |
| 24 | int ttyopen __P((dev_t dev, struct tty *tp)); |
| 25 | int ttylclose __P((struct tty *tp, int flags)); |
| 26 | int ttread __P((struct tty *, struct uio *, int flags)); |
| 27 | int ttwrite __P((struct tty *, struct uio *, int flags)); |
| 28 | int nullioctl __P((struct tty *tp, int cmd, caddr_t data, |
| 29 | int flag, struct proc *p)); |
| 30 | int ttyinput __P((int c, struct tty *tp)); |
| 31 | int ttstart __P((struct tty *tp)); |
| 32 | int ttymodem __P((struct tty *tp, int flags)); |
| 33 | int nullmodem __P((struct tty *tp, int flags)); |
| 34 | |
| 35 | #include "tb.h" |
| 36 | #if NTB > 0 |
| 37 | int tbopen __P((dev_t dev, struct tty *tp)); |
| 38 | int tbclose __P((struct tty *tp, int flags)); |
| 39 | int tbread __P((struct tty *, struct uio *, int flags)); |
| 40 | int tbioctl __P((struct tty *tp, int cmd, caddr_t data, |
| 41 | int flag, struct proc *p)); |
| 42 | int tbinput __P((int c, struct tty *tp)); |
| 43 | #endif |
| 44 | |
| 45 | #include "sl.h" |
| 46 | #if NSL > 0 |
| 47 | int slopen __P((dev_t dev, struct tty *tp)); |
| 48 | int slclose __P((struct tty *tp, int flags)); |
| 49 | int sltioctl __P((struct tty *tp, int cmd, caddr_t data, |
| 50 | int flag, struct proc *p)); |
| 51 | int slinput __P((int c, struct tty *tp)); |
| 52 | int slstart __P((struct tty *tp)); |
| 53 | #endif |
| 54 | |
| 55 | |
| 56 | struct linesw linesw[] = |
| 57 | { |
| 58 | ttyopen, ttylclose, ttread, ttwrite, nullioctl, |
| 59 | ttyinput, ttstart, ttymodem, /* 0- termios */ |
| 60 | |
| 61 | ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, |
| 62 | ttyerrinput, ttyerrstart, nullmodem, /* 1- defunct */ |
| 63 | |
| 64 | ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, |
| 65 | ttyerrinput, ttyerrstart, nullmodem, /* 2- defunct */ |
| 66 | |
| 67 | #if NTB > 0 |
| 68 | tbopen, tbclose, tbread, enodev, tbioctl, |
| 69 | tbinput, ttstart, nullmodem, /* 3- TABLDISC */ |
| 70 | #else |
| 71 | ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, |
| 72 | ttyerrinput, ttyerrstart, nullmodem, |
| 73 | #endif |
| 74 | |
| 75 | #if NSL > 0 |
| 76 | slopen, slclose, ttyerrio, ttyerrio, sltioctl, |
| 77 | slinput, slstart, nullmodem, /* 4- SLIPDISC */ |
| 78 | #else |
| 79 | ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, |
| 80 | ttyerrinput, ttyerrstart, nullmodem, |
| 81 | #endif |
| 82 | }; |
| 83 | |
| 84 | int nldisp = sizeof (linesw) / sizeof (linesw[0]); |
| 85 | |
| 86 | /* |
| 87 | * Do nothing specific version of line |
| 88 | * discipline specific ioctl command. |
| 89 | */ |
| 90 | /*ARGSUSED*/ |
| 91 | nullioctl(tp, cmd, data, flags, p) |
| 92 | struct tty *tp; |
| 93 | int cmd; |
| 94 | char *data; |
| 95 | int flags; |
| 96 | struct proc *p; |
| 97 | { |
| 98 | |
| 99 | #ifdef lint |
| 100 | tp = tp; data = data; flags = flags; p = p; |
| 101 | #endif |
| 102 | return (-1); |
| 103 | } |