/*
** -----------------------------------------------------------------------------
**
**  Perle Specialix driver for Linux
**  Ported from existing RIO Driver for SCO sources.
 *
 *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *
 *      This program 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 General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**
**	Module		: riodrvr.h
**	SID		: 1.3
**	Last Modified	: 11/6/98 09:22:46
**	Retrieved	: 11/6/98 09:22:46
**
**  ident @(#)riodrvr.h	1.3
**
** -----------------------------------------------------------------------------
*/

#ifndef __riodrvr_h
#define __riodrvr_h

#include <asm/param.h>	/* for HZ */

#ifdef SCCS_LABELS
static char *_riodrvr_h_sccs_ = "@(#)riodrvr.h	1.3";
#endif

#define MEMDUMP_SIZE	32
#define	MOD_DISABLE	(RIO_NOREAD|RIO_NOWRITE|RIO_NOXPRINT)


struct rio_info {
	int			mode;			/* Intr or polled, word/byte */
	spinlock_t		RIOIntrSem;		/* Interrupt thread sem */
	int			current_chan;		/* current channel */
	int			RIOFailed;		/* Not initialised ? */
	int			RIOInstallAttempts;	/* no. of rio-install() calls */
	int			RIOLastPCISearch;	/* status of last search */
	int			RIONumHosts;		/* Number of RIO Hosts */
	struct Host		* RIOHosts;		/* RIO Host values */
	struct Port		**RIOPortp;		/* RIO port values */
/*
** 02.03.1999 ARG - ESIL 0820 fix
** We no longer use RIOBootMode
**
	int			RIOBootMode;		* RIO boot mode *
**
*/
	int			RIOPrintDisabled;	/* RIO printing disabled ? */
	int			RIOPrintLogState;	/* RIO printing state ? */
	int			RIOPolling;		/* Polling ? */
/*
** 09.12.1998 ARG - ESIL 0776 part fix
** The 'RIO_QUICK_CHECK' ioctl was using RIOHalted.
** The fix for this ESIL introduces another member (RIORtaDisCons) here to be
** updated in RIOConCon() - to keep track of RTA connections/disconnections.
** 'RIO_QUICK_CHECK' now returns the value of RIORtaDisCons.
*/
	int			RIOHalted;		/* halted ? */
	int			RIORtaDisCons;		/* RTA connections/disconnections */
	uint			RIOReadCheck;		/* Rio read check */
	uint			RIONoMessage;		/* To display message or not */
	uint			RIONumBootPkts;		/* how many packets for an RTA */
	uint			RIOBootCount; 		/* size of RTA code */
	uint			RIOBooting;		/* count of outstanding boots */
	uint			RIOSystemUp;		/* Booted ?? */
	uint			RIOCounting;		/* for counting interrupts */
	uint			RIOIntCount;		/* # of intr since last check */
	uint			RIOTxCount;		/* number of xmit intrs  */
	uint			RIORxCount;		/* number of rx intrs */
	uint			RIORupCount;		/* number of rup intrs */
	int			RIXTimer; 
	int			RIOBufferSize;		/* Buffersize */
	int			RIOBufferMask;		/* Buffersize */

	int			RIOFirstMajor;		/* First host card's major no */

	uint			RIOLastPortsMapped;	/* highest port number known */
	uint			RIOFirstPortsMapped;	/* lowest port number known */

	uint			RIOLastPortsBooted;	/* highest port number running */
	uint			RIOFirstPortsBooted;	/* lowest port number running */

	uint			RIOLastPortsOpened;	/* highest port number running */
	uint			RIOFirstPortsOpened;	/* lowest port number running */

	/* Flag to say that the topology information has been changed. */
	uint			RIOQuickCheck; 
	uint			CdRegister;		/* ??? */
	int			RIOSignalProcess;	/* Signalling process */
	int			rio_debug;		/* To debug ... */
	int			RIODebugWait;		/* For what ??? */
	int			tpri;			/* Thread prio */
	int			tid;			/* Thread id */
	uint			_RIO_Polled;		/* Counter for polling */
	uint			_RIO_Interrupted;	/* Counter for interrupt */
	int			intr_tid;		/* iointset return value */
	int			TxEnSem;		/* TxEnable Semaphore */


	struct Error		RIOError;		/* to Identify what went wrong */ 
	struct Conf		RIOConf;		/* Configuration ??? */
	struct ttystatics	channel[RIO_PORTS];	/* channel information */
	char			RIOBootPackets[1+(SIXTY_FOUR_K/RTA_BOOT_DATA_SIZE)]
								[RTA_BOOT_DATA_SIZE];
	struct Map		RIOConnectTable[TOTAL_MAP_ENTRIES];
	struct Map		RIOSavedTable[TOTAL_MAP_ENTRIES];

	/* RTA to host binding table for master/slave operation */
	ulong			RIOBindTab[MAX_RTA_BINDINGS];
	/* RTA memory dump variable */
	uchar			RIOMemDump[MEMDUMP_SIZE]; 
	struct ModuleInfo 	RIOModuleTypes[MAX_MODULE_TYPES];

};


#ifdef linux
#define debug(x)        printk x
#else
#define debug(x)	kkprintf x
#endif


#define RIO_RESET_INT	0x7d80
#define WRBYTE(x,y)		*(volatile unsigned char *)((x)) = \
					(unsigned char)(y)

#endif	/* __riodrvr.h */