#ifndef DEVICES_PARALLEL_H
#define DEVICES_PARALLEL_H
/*
**	$VER: parallel.h 36.1 (10.5.1990)
**	Includes Release 45.1
**
**	parallel.device I/O request structure information
**
**	(C) Copyright 1985-2001 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 */

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