drivers/char/rio/riodrvr.h

   1 /*
   2 ** -----------------------------------------------------------------------------
   3 **
   4 **  Perle Specialix driver for Linux
   5 **  Ported from existing RIO Driver for SCO sources.
   6  *
   7  *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
   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 **      Module          : riodrvr.h
  24 **      SID             : 1.3
  25 **      Last Modified   : 11/6/98 09:22:46
  26 **      Retrieved       : 11/6/98 09:22:46
  27 **
  28 **  ident @(#)riodrvr.h 1.3
  29 **
  30 ** -----------------------------------------------------------------------------
  31 */
  32
  33 #ifndef __riodrvr_h
  34 #define __riodrvr_h
  35
  36 #include <asm/param.h>  /* for HZ */
  37
  38 #ifdef SCCS_LABELS
  39 static char *_riodrvr_h_sccs_ = "@(#)riodrvr.h  1.3";
  40 #endif
  41
  42 #define MEMDUMP_SIZE    32
  43 #define MOD_DISABLE     (RIO_NOREAD|RIO_NOWRITE|RIO_NOXPRINT)
  44
  45
  46 struct rio_info {
  47         int                     mode;                   /* Intr or polled, word/byte */
  48         spinlock_t              RIOIntrSem;             /* Interrupt thread sem */
  49         int                     current_chan;           /* current channel */
  50         int                     RIOFailed;              /* Not initialised ? */
  51         int                     RIOInstallAttempts;     /* no. of rio-install() calls */
  52         int                     RIOLastPCISearch;       /* status of last search */
  53         int                     RIONumHosts;            /* Number of RIO Hosts */
  54         struct Host             * RIOHosts;             /* RIO Host values */
  55         struct Port             **RIOPortp;             /* RIO port values */
  56 /*
  57 ** 02.03.1999 ARG - ESIL 0820 fix
  58 ** We no longer use RIOBootMode
  59 **
  60         int                     RIOBootMode;            * RIO boot mode *
  61 **
  62 */
  63         int                     RIOPrintDisabled;       /* RIO printing disabled ? */
  64         int                     RIOPrintLogState;       /* RIO printing state ? */
  65         int                     RIOPolling;             /* Polling ? */
  66 /*
  67 ** 09.12.1998 ARG - ESIL 0776 part fix
  68 ** The 'RIO_QUICK_CHECK' ioctl was using RIOHalted.
  69 ** The fix for this ESIL introduces another member (RIORtaDisCons) here to be
  70 ** updated in RIOConCon() - to keep track of RTA connections/disconnections.
  71 ** 'RIO_QUICK_CHECK' now returns the value of RIORtaDisCons.
  72 */
  73         int                     RIOHalted;              /* halted ? */
  74         int                     RIORtaDisCons;          /* RTA connections/disconnections */
  75         uint                    RIOReadCheck;           /* Rio read check */
  76         uint                    RIONoMessage;           /* To display message or not */
  77         uint                    RIONumBootPkts;         /* how many packets for an RTA */
  78         uint                    RIOBootCount;           /* size of RTA code */
  79         uint                    RIOBooting;             /* count of outstanding boots */
  80         uint                    RIOSystemUp;            /* Booted ?? */
  81         uint                    RIOCounting;            /* for counting interrupts */
  82         uint                    RIOIntCount;            /* # of intr since last check */
  83         uint                    RIOTxCount;             /* number of xmit intrs  */
  84         uint                    RIORxCount;             /* number of rx intrs */
  85         uint                    RIORupCount;            /* number of rup intrs */
  86         int                     RIXTimer;
  87         int                     RIOBufferSize;          /* Buffersize */
  88         int                     RIOBufferMask;          /* Buffersize */
  89
  90         int                     RIOFirstMajor;          /* First host card's major no */
  91
  92         uint                    RIOLastPortsMapped;     /* highest port number known */
  93         uint                    RIOFirstPortsMapped;    /* lowest port number known */
  94
  95         uint                    RIOLastPortsBooted;     /* highest port number running */
  96         uint                    RIOFirstPortsBooted;    /* lowest port number running */
  97
  98         uint                    RIOLastPortsOpened;     /* highest port number running */
  99         uint                    RIOFirstPortsOpened;    /* lowest port number running */
 100
 101         /* Flag to say that the topology information has been changed. */
 102         uint                    RIOQuickCheck;
 103         uint                    CdRegister;             /* ??? */
 104         int                     RIOSignalProcess;       /* Signalling process */
 105         int                     rio_debug;              /* To debug ... */
 106         int                     RIODebugWait;           /* For what ??? */
 107         int                     tpri;                   /* Thread prio */
 108         int                     tid;                    /* Thread id */
 109         uint                    _RIO_Polled;            /* Counter for polling */
 110         uint                    _RIO_Interrupted;       /* Counter for interrupt */
 111         int                     intr_tid;               /* iointset return value */
 112         int                     TxEnSem;                /* TxEnable Semaphore */
 113
 114
 115         struct Error            RIOError;               /* to Identify what went wrong */
 116         struct Conf             RIOConf;                /* Configuration ??? */
 117         struct ttystatics       channel[RIO_PORTS];     /* channel information */
 118         char                    RIOBootPackets[1+(SIXTY_FOUR_K/RTA_BOOT_DATA_SIZE)]
 119                                                                 [RTA_BOOT_DATA_SIZE];
 120         struct Map              RIOConnectTable[TOTAL_MAP_ENTRIES];
 121         struct Map              RIOSavedTable[TOTAL_MAP_ENTRIES];
 122
 123         /* RTA to host binding table for master/slave operation */
 124         ulong                   RIOBindTab[MAX_RTA_BINDINGS];
 125         /* RTA memory dump variable */
 126         uchar                   RIOMemDump[MEMDUMP_SIZE];
 127         struct ModuleInfo       RIOModuleTypes[MAX_MODULE_TYPES];
 128
 129 };
 130
 131
 132 #ifdef linux
 133 #define debug(x)        printk x
 134 #else
 135 #define debug(x)        kkprintf x
 136 #endif
 137
 138
 139
 140 #define RIO_RESET_INT   0x7d80
 141 #define WRBYTE(x,y)             *(volatile unsigned char *)((x)) = \
 142                                         (unsigned char)(y)
 143
 144 #endif  /* __riodrvr.h */