#ifndef DEVICES_PARALLEL_H
#define DEVICES_PARALLEL_H
/*
**      $Filename: devices/parallel.h $
**      $Release: 2.04 Includes, V37.4 $
**      $Revision: 36.1 $
**      $Date: 90/05/10 $
**
**      parallel.device I/O request structure information
**
**      (C) Copyright 1985-1999 Amiga, Inc.
**          All rights reserved.
*/

#ifndef   EXEC_IO_H
#include "exec/io.h"
#endif   /* !EXEC_IO_H */

 struct  IOPArray {
       ULONG PTermArray0;
        ULONG PTermArray1;
};

/******************************************************************/
/* CAUTION !!  IF YOU ACCESS the parallel.device, you MUST (!!!!) use
   an IOExtPar-sized structure or you may overlay innocent memory !! */
/******************************************************************/

 struct   IOExtPar {
        struct   IOStdReq IOPar;

/*     STRUCT   MsgNode
*   0   APTR     Succ
*   4   APTR     Pred
*   8   UBYTE    Type
*   9   UBYTE    Pri
*   A   APTR     Name
*   E   APTR     ReplyPort
*  12   UWORD    MNLength
*     STRUCT   IOExt
*  14   APTR     io_Device
*  18   APTR     io_Unit
*  1C   UWORD    io_Command
*  1E   UBYTE    io_Flags
*  1F   UBYTE    io_Error
*     STRUCT   IOStdExt
*  20   ULONG    io_Actual
*  24   ULONG    io_Length
*  28   APTR     io_Data
*  2C   ULONG    io_Offset
*  30 */
       ULONG   io_PExtFlags;    /* (not used) flag extension area */
       UBYTE   io_Status;       /* status of parallel port and registers */
       UBYTE   io_ParFlags;     /* see PARFLAGS bit definitions below */
        struct  IOPArray io_PTermArray; /* termination character array */
};

#define        PARB_SHARED     5          /* ParFlags non-exclusive access bit */
#define        PARF_SHARED     (1<<5)           /*    "     non-exclusive access mask */
#define PARB_SLOWMODE  4          /*    "     slow printer bit */
#define PARF_SLOWMODE  (1<<4)           /*    "     slow printer mask */
#define PARB_FASTMODE  3          /*    "     fast I/O mode selected bit */
#define PARF_FASTMODE  (1<<3)           /*    "     fast I/O mode selected mask */
#define PARB_RAD_BOOGIE        3          /*    "     for backward compatibility */
#define PARF_RAD_BOOGIE (1<<3)           /*    "     for backward compatibility */

#define PARB_ACKMODE   2          /*    "     ACK interrupt handshake bit */
#define PARF_ACKMODE    (1<<2)           /*    "     ACK interrupt handshake mask */

#define PARB_EOFMODE   1          /*    "     EOF mode enabled bit */
#define PARF_EOFMODE    (1<<1)           /*    "     EOF mode enabled mask */

#define IOPARB_QUEUED  6          /* IO_FLAGS rqst-queued bit */
#define IOPARF_QUEUED  (1<<6)           /*    "     rqst-queued mask */
#define        IOPARB_ABORT    5          /*    "     rqst-aborted bit */
#define        IOPARF_ABORT    (1<<5)           /*    "     rqst-aborted mask */
#define        IOPARB_ACTIVE   4          /*    "     rqst-qued-or-current bit */
#define        IOPARF_ACTIVE   (1<<4)           /*    "     rqst-qued-or-current mask */
#define        IOPTB_RWDIR     3          /* IO_STATUS read=0,write=1 bit */
#define        IOPTF_RWDIR     (1<<3)           /*    "     read=0,write=1 mask */
#define IOPTB_PARSEL    2          /*    "     printer selected on the A1000 */
#define IOPTF_PARSEL    (1<<2)           /* printer selected & serial "Ring Indicator"
                                     on the A500 & A2000.  Be careful when
                                     making cables */
#define        IOPTB_PAPEROUT 1           /*    "     paper out bit */
#define        IOPTF_PAPEROUT (1<<1)    /*    "     paper out mask */
#define        IOPTB_PARBUSY  0           /*    "     printer in busy toggle bit */
#define IOPTF_PARBUSY  (1<<0)    /*    "     printer in busy toggle mask */
/* Note: previous versions of this include files had bits 0 and 2 swapped */

#define PARALLELNAME            "parallel.device"

#define PDCMD_QUERY            (CMD_NONSTD)
#define PDCMD_SETPARAMS (CMD_NONSTD+1)

#define ParErr_DevBusy                 1
#define ParErr_BufTooBig       2
#define ParErr_InvParam        3
#define ParErr_LineErr         4
#define ParErr_NotOpen                5
#define ParErr_PortReset      6
#define ParErr_InitErr                  7

#endif  /* DEVICES_PARALLEL_H */