termbits.h

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/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1995, 96, 99, 2001, 06 Ralf Baechle
 * Copyright (C) 1999 Silicon Graphics, Inc.
 * Copyright (C) 2001 MIPS Technologies, Inc.
 */
#ifndef _ASM_TERMBITS_H
#define _ASM_TERMBITS_H

#include <linux/posix_types.h>

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

/*
 * The ABI says nothing about NCC but seems to use NCCS as
 * replacement for it in struct termio
 */
#define NCCS    23
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 */
};

struct termios2 {
    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 */
};

struct ktermios {
    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].  */
#define VEOL2        6      /* Second EOL character [ICANON].  */
#define VSWTC        7      /* ??? */
#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
 */
#define VDSUSP      11      /* Delayed suspend character [ISIG].  */
#endif
#define VREPRINT    12      /* Reprint-line character [ICANON].  */
#define VDISCARD    13      /* Discard character [IEXTEN].  */
#define VWERASE     14      /* Word-erase character [ICANON].  */
#define VLNEXT      15      /* Literal-next character [IEXTEN].  */
#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.  */
#define IUCLC   0001000     /* Map upper case to lower case on input.  */
#define IXON    0002000     /* Enable start/stop output control.  */
#define IXANY   0004000     /* Any character will restart after stop.  */
#define IXOFF   0010000     /* Enable start/stop input control.  */
#define IMAXBEL 0020000     /* Ring bell when input queue is full.  */
#define IUTF8   0040000     /* Input is UTF-8 */

/* c_oflag bits */
#define OPOST   0000001     /* Perform output processing.  */
#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    ???
 */

/* 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.  */
#define CBAUDEX 0010000
#define    BOTHER 0010000
#define    B57600 0010001
#define   B115200 0010002
#define   B230400 0010003
#define   B460800 0010004
#define   B500000 0010005
#define   B576000 0010006
#define   B921600 0010007
#define  B1000000 0010010
#define  B1152000 0010011
#define  B1500000 0010012
#define  B2000000 0010013
#define  B2500000 0010014
#define  B3000000 0010015
#define  B3500000 0010016
#define  B4000000 0010017
#define CIBAUD    002003600000  /* input baud rate */
#define CMSPAR    010000000000  /* mark or space (stick) parity */
#define CRTSCTS   020000000000  /* flow control */

#define IBSHIFT 16      /* Shift from CBAUD to CIBAUD */

/* 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.  */
#define ECHOCTL 0001000     /* Echo control characters as ^X.  */
#define ECHOPRT 0002000     /* Hardcopy visual erase.  */
#define ECHOKE  0004000     /* Visual erase for KILL.  */
#define FLUSHO  0020000
#define PENDIN  0040000     /* Retype pending input (state).  */
#define TOSTOP  0100000     /* Send SIGTTOU for background output.  */
#define ITOSTOP TOSTOP
#define EXTPROC 0200000     /* External processing on pty */

/* 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     TCSETS  /* Change immediately.  */
#define TCSADRAIN   TCSETSW /* Change when pending output is written.  */
#define TCSAFLUSH   TCSETSF /* Flush pending input before changing.  */

#endif /* _ASM_TERMBITS_H */