include/linux/istallion.h

   1 /*****************************************************************************/
   2
   3 /*
   4  *      istallion.h  -- stallion intelligent multiport serial driver.
   5  *
   6  *      Copyright (C) 1996-1998  Stallion Technologies
   7  *      Copyright (C) 1994-1996  Greg Ungerer.
   8  *
   9  *      This program is free software; you can redistribute it and/or modify
  10  *      it under the terms of the GNU General Public License as published by
  11  *      the Free Software Foundation; either version 2 of the License, or
  12  *      (at your option) any later version.
  13  *
  14  *      This program is distributed in the hope that it will be useful,
  15  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *      GNU General Public License for more details.
  18  *
  19  *      You should have received a copy of the GNU General Public License
  20  *      along with this program; if not, write to the Free Software
  21  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  */
  23
  24 /*****************************************************************************/
  25 #ifndef _ISTALLION_H
  26 #define _ISTALLION_H
  27 /*****************************************************************************/
  28
  29 /*
  30  *      Define important driver constants here.
  31  */
  32 #define STL_MAXBRDS             4
  33 #define STL_MAXPANELS           4
  34 #define STL_MAXPORTS            64
  35 #define STL_MAXCHANS            (STL_MAXPORTS + 1)
  36 #define STL_MAXDEVS             (STL_MAXBRDS * STL_MAXPORTS)
  37
  38
  39 /*
  40  *      Define a set of structures to hold all the board/panel/port info
  41  *      for our ports. These will be dynamically allocated as required at
  42  *      driver initialization time.
  43  */
  44
  45 /*
  46  *      Port and board structures to hold status info about each object.
  47  *      The board structure contains pointers to structures for each port
  48  *      connected to it. Panels are not distinguished here, since
  49  *      communication with the slave board will always be on a per port
  50  *      basis.
  51  */
  52 typedef struct {
  53         unsigned long           magic;
  54         int                     portnr;
  55         int                     panelnr;
  56         int                     brdnr;
  57         unsigned long           state;
  58         int                     devnr;
  59         int                     flags;
  60         int                     baud_base;
  61         int                     custom_divisor;
  62         int                     close_delay;
  63         int                     closing_wait;
  64         int                     refcount;
  65         int                     openwaitcnt;
  66         int                     rc;
  67         int                     argsize;
  68         void                    *argp;
  69         unsigned int            rxmarkmsk;
  70         struct tty_struct       *tty;
  71         wait_queue_head_t       open_wait;
  72         wait_queue_head_t       close_wait;
  73         wait_queue_head_t       raw_wait;
  74         struct work_struct      tqhangup;
  75         asysigs_t               asig;
  76         unsigned long           addr;
  77         unsigned long           rxoffset;
  78         unsigned long           txoffset;
  79         unsigned long           sigs;
  80         unsigned long           pflag;
  81         unsigned int            rxsize;
  82         unsigned int            txsize;
  83         unsigned char           reqbit;
  84         unsigned char           portidx;
  85         unsigned char           portbit;
  86 } stliport_t;
  87
  88 /*
  89  *      Use a structure of function pointers to do board level operations.
  90  *      These include, enable/disable, paging shared memory, interrupting, etc.
  91  */
  92 typedef struct stlibrd {
  93         unsigned long   magic;
  94         int             brdnr;
  95         int             brdtype;
  96         int             state;
  97         int             nrpanels;
  98         int             nrports;
  99         int             nrdevs;
 100         unsigned int    iobase;
 101         int             iosize;
 102         unsigned long   memaddr;
 103         void            *membase;
 104         int             memsize;
 105         int             pagesize;
 106         int             hostoffset;
 107         int             slaveoffset;
 108         int             bitsize;
 109         int             enabval;
 110         int             panels[STL_MAXPANELS];
 111         int             panelids[STL_MAXPANELS];
 112         void            (*init)(struct stlibrd *brdp);
 113         void            (*enable)(struct stlibrd *brdp);
 114         void            (*reenable)(struct stlibrd *brdp);
 115         void            (*disable)(struct stlibrd *brdp);
 116         char            *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);
 117         void            (*intr)(struct stlibrd *brdp);
 118         void            (*reset)(struct stlibrd *brdp);
 119         stliport_t      *ports[STL_MAXPORTS];
 120 } stlibrd_t;
 121
 122
 123 /*
 124  *      Define MAGIC numbers used for above structures.
 125  */
 126 #define STLI_PORTMAGIC  0xe671c7a1
 127 #define STLI_BOARDMAGIC 0x4bc6c825
 128
 129 /*****************************************************************************/
 130 #endif