release/src-rt-6.x.4708/linux/linux-2.6.36/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 struct stliport {
  53         unsigned long           magic;
  54         struct tty_port         port;
  55         unsigned int            portnr;
  56         unsigned int            panelnr;
  57         unsigned int            brdnr;
  58         unsigned long           state;
  59         unsigned int            devnr;
  60         int                     baud_base;
  61         int                     custom_divisor;
  62         int                     closing_wait;
  63         int                     rc;
  64         int                     argsize;
  65         void                    *argp;
  66         unsigned int            rxmarkmsk;
  67         wait_queue_head_t       raw_wait;
  68         struct asysigs          asig;
  69         unsigned long           addr;
  70         unsigned long           rxoffset;
  71         unsigned long           txoffset;
  72         unsigned long           sigs;
  73         unsigned long           pflag;
  74         unsigned int            rxsize;
  75         unsigned int            txsize;
  76         unsigned char           reqbit;
  77         unsigned char           portidx;
  78         unsigned char           portbit;
  79 };
  80
  81 /*
  82  *      Use a structure of function pointers to do board level operations.
  83  *      These include, enable/disable, paging shared memory, interrupting, etc.
  84  */
  85 struct stlibrd {
  86         unsigned long   magic;
  87         unsigned int    brdnr;
  88         unsigned int    brdtype;
  89         unsigned long   state;
  90         unsigned int    nrpanels;
  91         unsigned int    nrports;
  92         unsigned int    nrdevs;
  93         unsigned int    iobase;
  94         int             iosize;
  95         unsigned long   memaddr;
  96         void            __iomem *membase;
  97         unsigned long   memsize;
  98         int             pagesize;
  99         int             hostoffset;
 100         int             slaveoffset;
 101         int             bitsize;
 102         int             enabval;
 103         unsigned int    panels[STL_MAXPANELS];
 104         int             panelids[STL_MAXPANELS];
 105         void            (*init)(struct stlibrd *brdp);
 106         void            (*enable)(struct stlibrd *brdp);
 107         void            (*reenable)(struct stlibrd *brdp);
 108         void            (*disable)(struct stlibrd *brdp);
 109         void            __iomem *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);
 110         void            (*intr)(struct stlibrd *brdp);
 111         void            (*reset)(struct stlibrd *brdp);
 112         struct stliport *ports[STL_MAXPORTS];
 113 };
 114
 115
 116 /*
 117  *      Define MAGIC numbers used for above structures.
 118  */
 119 #define STLI_PORTMAGIC  0xe671c7a1
 120 #define STLI_BOARDMAGIC 0x4bc6c825
 121
 122 /*****************************************************************************/
 123 #endif