digirp.h

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/************************************************************************
 * HP-UX Realport Daemon interface file.
 *
 * Copyright (C) 1998, by Digi International.  All Rights Reserved.
 ************************************************************************/

#ifndef _DIGIDRP_H
#define _DIGIDRP_H

/************************************************************************
 * This file contains defines for the ioctl() interface to
 * the realport driver.   This ioctl() interface is used by the
 * daemon to set speed setup parameters honored by the driver.
 ************************************************************************/

struct link_struct {
    int lk_fast_rate;  /* Fast line rate to be used
                  when the delay is less-equal
                  to lk_fast_delay */

    int lk_fast_delay; /* Fast line rate delay in
                  milliseconds */

    int lk_slow_rate;  /* Slow line rate to be used when
                  the delay is greater-equal
                  to lk_slow_delay */

    int lk_slow_delay; /* Slow line rate delay in
                  milliseconds */

    int lk_header_size; /* Estimated packet header size
                   when sent across the slowest
                   link.  */
};

#define DIGI_GETLINK    _IOW('e', 103, struct link_struct)  /* Get link parameters */
#define DIGI_SETLINK    _IOW('e', 104, struct link_struct)  /* Set link parameters */


/************************************************************************
 * This module provides application access to special Digi
 * serial line enhancements which are not standard UNIX(tm) features.
 ************************************************************************/

struct  digiflow_struct {
    unsigned char   startc;             /* flow cntl start char */
    unsigned char   stopc;              /* flow cntl stop char  */
};

/************************************************************************
 * Values for digi_flags
 ************************************************************************/
#define DIGI_IXON   0x0001      /* Handle IXON in the FEP   */
#define DIGI_FAST   0x0002      /* Fast baud rates      */
#define RTSPACE     0x0004      /* RTS input flow control   */
#define CTSPACE     0x0008      /* CTS output flow control  */
#define DSRPACE     0x0010      /* DSR output flow control  */
#define DCDPACE     0x0020      /* DCD output flow control  */
#define DTRPACE     0x0040      /* DTR input flow control   */
#define DIGI_COOK   0x0080      /* Cooked processing done in FEP */
#define DIGI_FORCEDCD   0x0100      /* Force carrier        */
#define DIGI_ALTPIN 0x0200      /* Alternate RJ-45 pin config   */
#define DIGI_AIXON  0x0400      /* Aux flow control in fep  */
#define DIGI_PRINTER    0x0800      /* Hold port open for flow cntrl */
#define DIGI_PP_INPUT   0x1000      /* Change parallel port to input */
#define DIGI_422    0x4000      /* Change parallel port to input */
#define DIGI_RTS_TOGGLE 0x8000      /* Support RTS Toggle        */


/************************************************************************
 * Values associated with transparent print
 ************************************************************************/
#define DIGI_PLEN   8       /* String length */
#define DIGI_TSIZ   10      /* Terminal string len */


/************************************************************************
 * Structure used with ioctl commands for DIGI parameters.
 ************************************************************************/
struct digi_struct {
    unsigned short  digi_flags;     /* Flags (see above)    */
    unsigned short  digi_maxcps;        /* Max printer CPS  */
    unsigned short  digi_maxchar;       /* Max chars in print queue */
    unsigned short  digi_bufsize;       /* Buffer size      */
    unsigned char   digi_onlen;     /* Length of ON string  */
    unsigned char   digi_offlen;        /* Length of OFF string */
    char        digi_onstr[DIGI_PLEN];  /* Printer on string    */
    char        digi_offstr[DIGI_PLEN]; /* Printer off string   */
    char        digi_term[DIGI_TSIZ];   /* terminal string  */
};

/************************************************************************
 * Ioctl command arguments for DIGI parameters.
 ************************************************************************/
/* Read params */
#define DIGI_GETA   _IOR('e', 94, struct digi_struct)

/* Set params */
#define DIGI_SETA   _IOW('e', 95, struct digi_struct)

/* Drain & set params   */
#define DIGI_SETAW  _IOW('e', 96, struct digi_struct)

/* Drain, flush & set params */
#define DIGI_SETAF  _IOW('e', 97, struct digi_struct)

/* Get startc/stopc flow control characters */
#define DIGI_GETFLOW    _IOR('e', 99, struct digiflow_struct)

/* Set startc/stopc flow control characters */
#define DIGI_SETFLOW    _IOW('e', 100, struct digiflow_struct)

/* Get Aux. startc/stopc flow control chars */
#define DIGI_GETAFLOW   _IOR('e', 101, struct digiflow_struct)

/* Set Aux. startc/stopc flow control chars */
#define DIGI_SETAFLOW   _IOW('e', 102, struct digiflow_struct)

/* Set integer baud rate */
#define DIGI_SETCUSTOMBAUD  _IOW('e', 106, int)

/* Get integer baud rate */
#define DIGI_GETCUSTOMBAUD  _IOR('e', 107, int)

#define DIGI_GEDELAY    _IOR('d', 246, int) /* Get edelay */
#define DIGI_SEDELAY    _IOW('d', 247, int) /* Get edelay */


#endif /* _DIGIDRP_H */