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/*****************************************************************************/

/*

 *      istallion.h  -- stallion intelligent multiport serial driver.

 *

 *      Copyright (C) 1996-1998  Stallion Technologies (support@stallion.oz.au).

 *      Copyright (C) 1994-1996  Greg Ungerer (gerg@stallion.oz.au).

 *

 *      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.

 */

typedef struct {

        unsigned long           magic;

        int                     portnr;

        int                     panelnr;

        int                     brdnr;

        unsigned long           state;

        int                     devnr;

        int                     flags;

        int                     baud_base;

        int                     custom_divisor;

        int                     close_delay;

        int                     closing_wait;

        int                     refcount;

        int                     openwaitcnt;

        int                     rc;

        int                     argsize;

        void                    *argp;

        long                    session;

        long                    pgrp;

        unsigned int            rxmarkmsk;

        struct tty_struct       *tty;

        struct wait_queue       *open_wait;

        struct wait_queue       *close_wait;

        struct wait_queue       *raw_wait;

        struct tq_struct        tqhangup;

        struct termios          normaltermios;

        struct termios          callouttermios;

        asysigs_t               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;

} stliport_t;

/*

 *      Use a structure of function pointers to do board level operations.

 *      These include, enable/disable, paging shared memory, interrupting, etc.

 */

typedef struct stlibrd {

        unsigned long   magic;

        int             brdnr;

        int             brdtype;

        int             state;

        int             nrpanels;

        int             nrports;

        int             nrdevs;

        unsigned int    iobase;

        int             iosize;

        unsigned long   memaddr;

        void            *membase;

        int             memsize;

        int             pagesize;

        int             hostoffset;

        int             slaveoffset;

        int             bitsize;

        int             enabval;

        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);

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

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

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

        stliport_t      *ports[STL_MAXPORTS];

} stlibrd_t;

/*

 *      Define MAGIC numbers used for above structures.

 */

#define STLI_PORTMAGIC  0xe671c7a1

#define STLI_BOARDMAGIC 0x4bc6c825

/*****************************************************************************/

#endif