/*****************************************************************************/
  
  /*
   *	istallion.h  -- stallion intelligent multiport serial driver.
   *
   *	Copyright (C) 1996-1998  Stallion Technologies
   *	Copyright (C) 1994-1996  Greg Ungerer.
   *
   *	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.
   */

  /*****************************************************************************/
  #ifndef	_ISTALLION_H
  #define	_ISTALLION_H
  /*****************************************************************************/
  
  /*
   *	Define important driver constants here.
   */
  #define	STL_MAXBRDS		4
  #define	STL_MAXPANELS		4
  #define	STL_MAXPORTS		64
  #define	STL_MAXCHANS		(STL_MAXPORTS + 1)
  #define	STL_MAXDEVS		(STL_MAXBRDS * STL_MAXPORTS)
  
  
  /*
   *	Define a set of structures to hold all the board/panel/port info
   *	for our ports. These will be dynamically allocated as required at
   *	driver initialization time.
   */
  
  /*
   *	Port and board structures to hold status info about each object.
   *	The board structure contains pointers to structures for each port
   *	connected to it. Panels are not distinguished here, since
   *	communication with the slave board will always be on a per port
   *	basis.
   */

  struct stliport {

  	unsigned long		magic;

  	struct tty_port		port;

  	unsigned int		portnr;
  	unsigned int		panelnr;
  	unsigned int		brdnr;

  	unsigned long		state;

  	unsigned int		devnr;

  	int			baud_base;
  	int			custom_divisor;

  	int			closing_wait;

  	int			rc;
  	int			argsize;
  	void			*argp;
  	unsigned int		rxmarkmsk;

  	wait_queue_head_t	raw_wait;

  	struct asysigs		asig;

  	unsigned long		addr;
  	unsigned long		rxoffset;
  	unsigned long		txoffset;
  	unsigned long		sigs;
  	unsigned long		pflag;
  	unsigned int		rxsize;
  	unsigned int		txsize;
  	unsigned char		reqbit;
  	unsigned char		portidx;
  	unsigned char		portbit;

  };

  
  /*
   *	Use a structure of function pointers to do board level operations.
   *	These include, enable/disable, paging shared memory, interrupting, etc.
   */

  struct stlibrd {

  	unsigned long	magic;

  	unsigned int	brdnr;
  	unsigned int	brdtype;

  	unsigned long	state;

  	unsigned int	nrpanels;
  	unsigned int	nrports;
  	unsigned int	nrdevs;

  	unsigned int	iobase;
  	int		iosize;
  	unsigned long	memaddr;

  	void		__iomem *membase;

  	unsigned long	memsize;

  	int		pagesize;
  	int		hostoffset;
  	int		slaveoffset;
  	int		bitsize;
  	int		enabval;

  	unsigned int	panels[STL_MAXPANELS];

  	int		panelids[STL_MAXPANELS];
  	void		(*init)(struct stlibrd *brdp);
  	void		(*enable)(struct stlibrd *brdp);
  	void		(*reenable)(struct stlibrd *brdp);
  	void		(*disable)(struct stlibrd *brdp);

  	void		__iomem *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);

  	void		(*intr)(struct stlibrd *brdp);
  	void		(*reset)(struct stlibrd *brdp);

  	struct stliport	*ports[STL_MAXPORTS];
  };

  
  
  /*
   *	Define MAGIC numbers used for above structures.
   */
  #define	STLI_PORTMAGIC	0xe671c7a1
  #define	STLI_BOARDMAGIC	0x4bc6c825
  
  /*****************************************************************************/
  #endif