1 /*- 2 * Copyright (c) 1982, 1986, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)tty_conf.c 8.1 (Berkeley) 06/10/93 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 } 104