system/alpha/h/ssb.h

   1 #ifndef __SSB_H_LOADED
   2 #define __SSB_H_LOADED
   3 /*****************************************************************************
   4
   5        Copyright © 1993, 1994 Digital Equipment Corporation,
   6                        Maynard, Massachusetts.
   7
   8                         All Rights Reserved
   9
  10 Permission to use, copy, modify, and distribute this software and its
  11 documentation for any purpose and without fee is hereby granted, provided
  12 that the copyright notice and this permission notice appear in all copies
  13 of software and supporting documentation, and that the name of Digital not
  14 be used in advertising or publicity pertaining to distribution of the software
  15 without specific, written prior permission. Digital grants this permission
  16 provided that you prominently mark, as not part of the original, any
  17 modifications made to this software or documentation.
  18
  19 Digital Equipment Corporation disclaims all warranties and/or guarantees
  20 with regard to this software, including all implied warranties of fitness for
  21 a particular purpose and merchantability, and makes no representations
  22 regarding the use of, or the results of the use of, the software and
  23 documentation in terms of correctness, accuracy, reliability, currentness or
  24 otherwise; and you rely on the software, documentation and results solely at
  25 your own risk.
  26
  27 ******************************************************************************/
  28
  29 /*
  30  *  $Id: ssb.h,v 1.1.1.1 1997/10/30 23:27:17 verghese Exp $;
  31  */
  32
  33 /*
  34  * $Log: ssb.h,v $
  35  * Revision 1.1.1.1  1997/10/30 23:27:17  verghese
  36  * current 10/29/97
  37  *
  38  * Revision 1.3  1994/08/05  20:13:47  fdh
  39  * Updated Copyright header and RCS $Id: identifier.
  40  *
  41  * Revision 1.2  1994/06/20  14:18:59  fdh
  42  * Fixup header file preprocessor #include conditionals.
  43  *
  44  * Revision 1.1  1993/06/08  19:56:16  fdh
  45  * Initial revision
  46  *
  47  */
  48
  49
  50
  51 /* ssbinit                                              */
  52 /* Set up SSB definitions                               */
  53 /* Last modified on 1/3/91 by L. Stewart                */
  54
  55 #define SSB_stcreset1  0x0800   /*  CR_DIR */
  56 #define SSB_stcreset2  0x3820   /* CR_CABEN | CR_AUTO | CR_DIR */
  57                                         /*  |  CR_FIFOMR */
  58
  59 #define SSB_TagCable     0
  60 #define SSB_TagSlot      3
  61 #define SSB_TagTVA       2
  62 #define SSB_TagRFA       1
  63 #define SSB_TagORF       5
  64 #define SSB_TagStartTV   4
  65 #define SSB_TagTVStat    6
  66 #define SSB_TagLocalStat 7
  67
  68 #define SSB_AdrLocalStat 0x4000
  69 #define SSB_AdrSRA 0x8000
  70 #define SSB_AdrSRB 0x8001
  71
  72 #define SSB_LCRenable   0x1
  73 #define SSB_LCRclrstat  0x2
  74 #define SSB_LCRfifomr   0x4
  75 #define SSB_LCRreset    0x8
  76 #define SSB_LCRled      0x10
  77
  78 #define SSB_LSTfifoff    0x100
  79 #define SSB_LSTfifohf    0x200
  80 #define SSB_LSTfifoef    0x400
  81 #define SSB_LSTinst      0x800
  82 #define SSB_LSTid        0x1000
  83 #define SSB_LSTotherinst 0x2000
  84 #define SSB_LSTcnfg0     0x4000
  85 #define SSB_LSTcnfg1     0x8000
  86 #define SSB_LSTnode      0xf000
  87
  88 #define SSB_CRrParityS   0x01
  89 #define SSB_CRdataWP     0x02
  90 #define SSB_CRadrWP      0x04
  91 #define SSB_CRerrEnable  0x08
  92 #define SSB_CRreset      0x10
  93 #define SSB_CRdoConfig   0x20
  94 #define SSB_CRnodeClock  0x40
  95
  96 #define SSB_SRAshared    0x00000080
  97 #define SSB_SRAdirty     0x00100000
  98 #define SSB_SRAnType     0x80000000
  99
 100 #define SSB_PSRinst      0x001
 101 #define SSB_PSRmerror    0x002
 102 #define SSB_PSRreset     0x004
 103 #define SSB_PSRerror     0x008
 104 #define SSB_PSRserror    0x010
 105 #define SSB_PSRisr       0x7e0
 106
 107 struct SSB_lsrtype {
 108         unsigned        sequence : 8;
 109         unsigned        slot : 8;
 110         unsigned        mix : 4;
 111         unsigned        inst : 1;
 112         unsigned        ef : 1;
 113         unsigned        hf : 1;
 114         unsigned        ff : 1;
 115         unsigned        crpad : 3;
 116         unsigned        crled : 1;
 117         unsigned        crreset : 1;
 118         unsigned        crfifomr : 1;
 119         unsigned        crclrstat : 1;
 120         unsigned        crenable : 1;
 121 };
 122
 123 struct SSB_pstattype {
 124         unsigned        pad : 21;
 125         unsigned        isr : 6;
 126         unsigned        serror : 1;
 127         unsigned        error : 1;
 128         unsigned        reset : 1;
 129         unsigned        merror : 1;
 130         unsigned        inst : 1;
 131 };
 132
 133 struct SSB_sratype {
 134         unsigned        nodeType : 1;
 135         unsigned        p0stat: 11;
 136         unsigned        dirty : 1;
 137         unsigned        p1stat : 11;
 138         unsigned        shared : 1;
 139         unsigned        cr : 7;
 140 };
 141
 142 struct SSB_srbtype {
 143         unsigned        p1count : 8;
 144         unsigned        p0count : 8;
 145         unsigned        arbcount : 16;
 146 };
 147
 148 extern int ssb_sequence;
 149 extern int ssb_localcr;
 150 extern int ssb_maincr;
 151 extern int ssb_port;
 152 extern int ssb_node;
 153 extern int ssb_config1;
 154 extern int ssb_config0;
 155 extern int ssb_lastsra;
 156 extern int ssb_lastsrb;
 157 extern int ssb_lastlsr;
 158 extern int ssb_lastieecc;
 159 extern struct SSB_lsrtype ssb_lsr;
 160 extern int ssb_mix;
 161 extern struct SSB_sratype ssb_sra;
 162 extern struct SSB_srbtype ssb_srb;
 163 extern int ssb_resid;
 164 extern struct SSB_pstattype ssb_portstatus;
 165
 166
 167 /* ssb routines */
 168 #define SSB_CR  SSB_stcreset2
 169 #define SSBCH   1020
 170
 171 #define SSB_CABLE(x) (wfifo(x, SSB_TagCable))
 172 #define SSB_LDSLOT(x) (wfifo(x, SSB_TagSlot))
 173 #define SSB_LDTVA(x, w) (wfifo((x) | ((w) ? 0x80000000 : 0), SSB_TagTVA))
 174 #define SSB_LDRFA(a, c) (wfifo(((255 - c) << 16) + a, SSB_TagRFA))
 175 #define SSB_LDORF(x) (wfifo(x, SSB_TagORF))
 176 #define SSB_STARTTV(a, c, w) (wfifo(( (w << 15) | ((255 - c) << 16) | a), SSB_TagStartTV ))
 177 #define SSB_TVSTAT(x) (wfifo(x, SSB_TagTVStat))
 178 #define SSB_LOCALSTAT(x) (wfifo(x, SSB_TagLocalStat))
 179
 180 #define SSB_CFF() ( STC_SETCR(tvp->crmask & ~STC_CRFIFOMR), \
 181     STC_SETCR(tvp->crmask | STC_CRFIFOMR) )
 182
 183 #endif /* __SSB_H_LOADED */