/* termios type and macro definitions.  Linux/MIPS version.
   Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifndef _TERMBITS_H
#define _TERMBITS_H	1

typedef unsigned char	cc_t;
typedef unsigned int	speed_t;
typedef unsigned int	tcflag_t;


#if defined (__USE_BSD)

struct sgttyb {
	char	sg_ispeed;
	char	sg_ospeed;
	char	sg_erase;
	char	sg_kill;
	int	sg_flags;	/* SGI special - int, not short */
};

struct tchars {
	char	t_intrc;
	char	t_quitc;
	char	t_startc;
	char	t_stopc;
	char	t_eofc;
	char	t_brkc;
};

struct ltchars {
        char    t_suspc;        /* stop process signal */
        char    t_dsuspc;       /* delayed stop process signal */
        char    t_rprntc;       /* reprint line */
        char    t_flushc;       /* flush output (toggles) */
        char    t_werasc;       /* word erase */
        char    t_lnextc;       /* literal next character */
};

#endif /* defined(__BSD) */

#define NCCS 32
struct termios
  {
    tcflag_t c_iflag;		/* input mode flags */
    tcflag_t c_oflag;		/* output mode flags */
    tcflag_t c_cflag;		/* control mode flags */
    tcflag_t c_lflag;		/* local mode flags */
    cc_t c_line;			/* line discipline */
    cc_t c_cc[NCCS];		/* control characters */
    speed_t c_ispeed;		/* input speed */
    speed_t c_ospeed;		/* output speed */
  };

/* c_cc characters */
#define VINTR		 0		/* Interrupt character [ISIG].  */
#define VQUIT		 1		/* Quit character [ISIG].  */
#define VERASE		 2		/* Erase character [ICANON].  */
#define VKILL		 3		/* Kill-line character [ICANON].  */
#define VMIN		 4		/* Minimum number of bytes read at once [!ICANON].  */
#define VTIME		 5		/* Time-out value (tenths of a second) [!ICANON].  */
#if defined (__USE_BSD)
#define VEOL2		 6		/* Second EOL character [ICANON].  */
/* The next two are guesses ... */
#define VSWTC		 7		/* ??? */
#endif
#define VSWTCH		VSWTC
#define VSTART		 8		/* Start (X-ON) character [IXON, IXOFF].  */
#define VSTOP		 9		/* Stop (X-OFF) character [IXON, IXOFF].  */
#define VSUSP		10		/* Suspend character [ISIG].  */
#if 0
/*
 * VDSUSP is not supported
 */
#if defined (__USE_BSD)
#define VDSUSP		11		/* Delayed suspend character [ISIG].  */
#endif
#endif
#if defined (__USE_BSD)
#define VREPRINT	12		/* Reprint-line character [ICANON].  */
#endif
#if defined (__USE_BSD)
#define VDISCARD	13		/* Discard character [IEXTEN].  */
#define VWERASE		14		/* Word-erase character [ICANON].  */
#define VLNEXT		15		/* Literal-next character [IEXTEN].  */
#endif
#define VEOF		16		/* End-of-file character [ICANON].  */
#define VEOL		17		/* End-of-line character [ICANON].  */

/* c_iflag bits */
#define IGNBRK	0000001		/* Ignore break condition.  */
#define BRKINT	0000002		/* Signal interrupt on break.  */
#define IGNPAR	0000004		/* Ignore characters with parity errors.  */
#define PARMRK	0000010		/* Mark parity and framing errors.  */
#define INPCK	0000020		/* Enable input parity check.  */
#define ISTRIP	0000040		/* Strip 8th bit off characters.  */
#define INLCR	0000100		/* Map NL to CR on input.  */
#define IGNCR	0000200		/* Ignore CR.  */
#define ICRNL	0000400		/* Map CR to NL on input.  */
#if defined (__USE_BSD)
#define IUCLC	0001000		/* Map upper case to lower case on input.  */
#endif
#define IXON	0002000		/* Enable start/stop output control.  */
#if defined (__USE_BSD)
#define IXANY	0004000		/* Any character will restart after stop.  */
#endif
#define IXOFF	0010000		/* Enable start/stop input control.  */
#if defined (__USE_BSD)
#define IMAXBEL	0020000		/* Ring bell when input queue is full.  */
#endif

/* c_oflag bits */
#define OPOST	0000001		/* Perform output processing.  */
#if defined (__USE_BSD)
#define OLCUC	0000002		/* Map lower case to upper case on output.  */
#define ONLCR	0000004		/* Map NL to CR-NL on output.  */
#define OCRNL	0000010
#define ONOCR	0000020
#define ONLRET	0000040
#define OFILL	0000100
#define OFDEL	0000200
#define NLDLY	0000400
#define   NL0	0000000
#define   NL1	0000400
#define CRDLY	0003000
#define   CR0	0000000
#define   CR1	0001000
#define   CR2	0002000
#define   CR3	0003000
#define TABDLY	0014000
#define   TAB0	0000000
#define   TAB1	0004000
#define   TAB2	0010000
#define   TAB3	0014000
#define   XTABS	0014000
#define BSDLY	0020000
#define   BS0	0000000
#define   BS1	0020000
#define VTDLY	0040000
#define   VT0	0000000
#define   VT1	0040000
#define FFDLY	0100000
#define   FF0	0000000
#define   FF1	0100000
/*
#define PAGEOUT ???
#define WRAP    ???
 */
#endif

/* c_cflag bit meaning */
#define CBAUD	0010017
#define  B0	0000000		/* hang up */
#define  B50	0000001
#define  B75	0000002
#define  B110	0000003
#define  B134	0000004
#define  B150	0000005
#define  B200	0000006
#define  B300	0000007
#define  B600	0000010
#define  B1200	0000011
#define  B1800	0000012
#define  B2400	0000013
#define  B4800	0000014
#define  B9600	0000015
#define  B19200	0000016
#define  B38400	0000017
#define EXTA B19200
#define EXTB B38400
#define CSIZE	0000060		/* Number of bits per byte (mask).  */
#define   CS5	0000000		/* 5 bits per byte.  */
#define   CS6	0000020		/* 6 bits per byte.  */
#define   CS7	0000040		/* 7 bits per byte.  */
#define   CS8	0000060		/* 8 bits per byte.  */
#define CSTOPB	0000100		/* Two stop bits instead of one.  */
#define CREAD	0000200		/* Enable receiver.  */
#define PARENB	0000400		/* Parity enable.  */
#define PARODD	0001000		/* Odd parity instead of even.  */
#define HUPCL	0002000		/* Hang up on last close.  */
#define CLOCAL	0004000		/* Ignore modem status lines.  */
#if defined (__USE_BSD)
#define CBAUDEX 0010000
#define  B57600  0010001
#define  B115200 0010002
#define  B230400 0010003
#define  B460800 0010004
#define CIBAUD	  002003600000	/* input baud rate (not used) */
#define CRTSCTS	  020000000000		/* flow control */
#endif

/* c_lflag bits */
#define ISIG	0000001		/* Enable signals.  */
#define ICANON	0000002		/* Do erase and kill processing.  */
#define XCASE	0000004
#define ECHO	0000010		/* Enable echo.  */
#define ECHOE	0000020		/* Visual erase for ERASE.  */
#define ECHOK	0000040		/* Echo NL after KILL.  */
#define ECHONL	0000100		/* Echo NL even if ECHO is off.  */
#define NOFLSH	0000200		/* Disable flush after interrupt.  */
#define IEXTEN	0000400		/* Enable DISCARD and LNEXT.  */
#if defined (__USE_BSD)
#define ECHOCTL	0001000		/* Echo control characters as ^X.  */
#define ECHOPRT	0002000		/* Hardcopy visual erase.  */
#define ECHOKE	0004000		/* Visual erase for KILL.  */
#endif
#define FLUSHO	0020000
#if defined (__USE_BSD)
#define PENDIN	0040000		/* Retype pending input (state).  */
#endif
#define TOSTOP	0100000		/* Send SIGTTOU for background output.  */
#define ITOSTOP	TOSTOP

/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
#define TIOCSER_TEMT    0x01	/* Transmitter physically empty */

/* tcflow() and TCXONC use these */
#define	TCOOFF		0	/* Suspend output.  */
#define	TCOON		1	/* Restart suspended output.  */
#define	TCIOFF		2	/* Send a STOP character.  */
#define	TCION		3	/* Send a START character.  */

/* tcflush() and TCFLSH use these */
#define	TCIFLUSH	0	/* Discard data received but not yet read.  */
#define	TCOFLUSH	1	/* Discard data written but not yet sent.  */
#define	TCIOFLUSH	2	/* Discard all pending data.  */

/* tcsetattr uses these */
#define	TCSANOW		0x540e	/* Same as TCSETS; change immediately.  */
#define	TCSADRAIN	0x540f	/* Same as TCSETSW; change when pending output is written.  */
#define	TCSAFLUSH	0x5410	/* Same as TCSETSF; flush pending input before changing.  */

#define _IOT_termios /* Hurd ioctl type field.  */ \
  _IOT (_IOTS (cflag_t), 4, _IOTS (cc_t), NCCS, _IOTS (speed_t), 2)

#endif /* termbits.h */
