The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/qbus/tsreg.h

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    1 /*      $NetBSD: tsreg.h,v 1.5 2017/05/22 17:22:29 ragge Exp $ */
    2 /*
    3  * Copyright (c) 1995 Ludd, University of Lule}, Sweden.
    4  * All rights reserved.
    5  *
    6  * This code is derived from software contributed to Ludd by
    7  * Bertram Barth.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   28  */
   29 
   30 /*
   31  * TSV05 u.g. 5-11:
   32  *
   33  * The TSV05 Subsystem has four device registers that occupy only two
   34  * LSI-11 Bus word locations: a Data Buffer (TSDB), a Bus Address
   35  * Register (TSBA), a Status Register (TSSR), and an Extended Data
   36  * Bufffer (TSDBX). The TSDB is an 18-bit register that is ...
   37  */
   38 
   39 #ifdef notdef
   40 struct tsdevice {
   41         unsigned short tsdb;/* Data Buffer (TSDB)/Bus Address Register (TSBA) */
   42         unsigned short tssr;/* Status Reg. (TSSR)/Extended Data Buffer(TSDBX) */
   43 };
   44 #endif
   45 #define TSDB    0
   46 #define TSBA    0
   47 #define TSSR    2
   48 #define TSDBX   3
   49 
   50 /*
   51  * TSSR Register bit definitions
   52  */
   53 #define TS_SC   0x8000  /* Special Condition */
   54 #define TS_UPE  0x4000  /* not used in TSV05, UPE in TS11 */
   55 #define TS_SCE  0x2000  /* Sanity Check Error, SPE in TS11 */
   56 #define TS_RMR  0x1000  /* Register Modification Refused */
   57 #define TS_NXM  0x0800  /* Nonexistent Memory */
   58 #define TS_NBA  0x0400  /* Need Buffer Address */
   59 #define TS_A11  0x0300  /* Address Bits 17-16 */
   60 #define TS_SSR  0x0080  /* Subsystem Ready */
   61 #define TS_OFL  0x0040  /* Off Line */
   62 #define TS_FTC  0x0030  /* Fatal Termination Class Code */
   63 #define TS_TC   0x000E  /* Termination Class Code */
   64 #define TS_NU   0x0001  /* Not Used */
   65 
   66 #define TS_TSSR_BITS    "\2\20SC\17UPE\16SCE\15RMR\14NXM\13NBA\12A17\11A16" \
   67                            "\10SSR\7OFL\6FTC\5FTC\4FTL\3ERR\2ATTN\1NU"
   68 
   69 /*
   70  * Termination Codes
   71  */
   72 #define TS_FTC_IDF      (0<<4)  /* internal diagnostic failure */
   73 #define TS_FTC_RSVD     (1<<4)  /* Reserved */
   74 #define TS_FTC_NU       (2<<4)  /* Not Used */
   75 #define TS_FTC_DPD      (3<<4)  /* Detection of Power Down (not implemented) */
   76 
   77 #define TS_TC_NORM      (0<<1)  /* Normal Termination */
   78 #define TS_TC_ATTN      (1<<1)  /* Attention Condition */
   79 #define TS_TC_TSA       (2<<1)  /* Tape status alert */
   80 #define TS_TC_FR        (3<<1)  /* Function reject */
   81 #define TS_TC_TPD       (4<<1)  /* Tape position is one record down (recov.) */
   82 #define TS_TC_TNM       (5<<1)  /* Tape not moved (recoverable) */
   83 #define TS_TC_TPL       (6<<1)  /* Tape position lost (unrecoverable) */
   84 #define TS_TC_FCE       (7<<1)  /* Fatal Controller Error (see FTC) */
   85 
   86 struct cmd {                    /* command packet (not all words required) */
   87         unsigned short cmdr;    /* command word */
   88         unsigned short cw1;     /* low order data pointer address  (A15-00) */
   89         unsigned short cw2;     /* high order data pointer address (A21-16) */
   90         unsigned short cw3;     /* count parameter */
   91 };
   92 
   93 /*
   94  * Command flags
   95  */
   96 #define TS_CF_ACK       (1<<15)         /* Acknowledge */
   97 #define TS_CF_CVC       (1<<14)         /* Clear Volume Check */
   98 #define TS_CF_OPP       (1<<13)         /* Opposite */
   99 #define TS_CF_SWB       (1<<12)         /* Swap Bytes */
  100 #define TS_CF_IE        (1<< 7)         /* Interrupt Enable */
  101 #define TS_CF_CMODE     0x0F00          /* Command Mode Field */
  102 #define TS_CF_CCODE     0x001F          /* Command Code (major) */
  103 #define TS_CF_CMASK     0x0F1F          /* mask for complete command */
  104 
  105 #define TS_CMD(cMode,cCode)     ((cMode<<8)|cCode)
  106 
  107 #define TS_CC_READ      0x01                    /* READ */
  108 #define TS_CMD_RNF      TS_CMD(0,TS_CC_READ)    /* Read Next (Forward) */
  109 #define TS_CMD_RPR      TS_CMD(1,TS_CC_READ)    /* Read Previous (Reverse) */
  110 #define TS_CMD_RPF      TS_CMD(2,TS_CC_READ)    /* Read Previous (Forward) */
  111 #define TS_CMD_RNR      TS_CMD(3,TS_CC_READ)    /* Read Next (Reverse) */
  112 
  113 #define TS_CC_WCHAR     0x04                    /* WRITE CHARACTERISTICS */
  114 #define TS_CMD_WCHAR    TS_CMD(0,TS_CC_WCHAR)   /* Load msg-buffer etc. */
  115 
  116 #define TS_CC_WRITE     0x05                    /* WRITE */
  117 #define TS_CMD_WD       TS_CMD(0,TS_CC_WRITE)   /* Write Data (Next) */
  118 #define TS_CMD_WDR      TS_CMD(1,TS_CC_WRITE)   /* Write Data (Retry) */
  119 
  120 #define TS_CC_WSM       0x06                    /* WRITE SUBSYSTEM MEMORY */
  121 #define TS_CMD_WSM      TS_CMD(0,TS_CC_WSM)     /* (diagnostics only) */
  122 
  123 #define TS_CC_POS       0x08                    /* POSITION */
  124 #define TS_CMD_SRF      TS_CMD(0,TS_CC_POS)     /* Space Records Forward */
  125 #define TS_CMD_SRR      TS_CMD(1,TS_CC_POS)     /* Space Records Reverse */
  126 #define TS_CMD_STMF     TS_CMD(2,TS_CC_POS)     /* Skip Tape Marks Forward */
  127 #define TS_CMD_STMR     TS_CMD(3,TS_CC_POS)     /* Skip Tape Marks Reverse */
  128 #define TS_CMD_RWND     TS_CMD(4,TS_CC_POS)     /* Rewind */
  129 
  130 #define TS_CC_FRMT      0x09                    /* FORMAT */
  131 #define TS_CMD_WTM      TS_CMD(0,TS_CC_FRMT)    /* Write Tape Mark */
  132 #define TS_CMD_ETM      TS_CMD(1,TS_CC_FRMT)    /* Erase */
  133 #define TS_CMD_WTMR     TS_CMD(2,TS_CC_FRMT)    /* Write Tape Mark (Retry) */
  134 
  135 #define TS_CC_CTRL      0x0A                    /* CONTROL */
  136 #define TS_CMD_MBR      TS_CMD(0,TS_CC_CTRL)    /* Message Buffer Release */
  137 #define TS_CMD_RWUL     TS_CMD(1,TS_CC_CTRL)    /* Rewind and Unload */
  138 #define TS_CMD_NOP      TS_CMD(2,TS_CC_CTRL)    /* NO-OP (TS11: clean tape) */
  139 #define TS_CMD_RWII     TS_CMD(4,TS_CC_CTRL)    /* Rewind with intermediate */
  140                                                 /* interrupt (TS11: N.A.) */
  141 #define TS_CC_INIT      0x0B                    /* INITIALIZE */
  142 #define TS_CMD_INIT     TS_CMD(0,TS_CC_INIT)    /* Controller/Drive Initial. */
  143 
  144 #define TS_CC_STAT      0x0F                    /* GET STATUS */
  145 #define TS_CMD_STAT     TS_CMD(0,TS_CC_STAT)    /* Get Status (END) */
  146 
  147 struct status {                 /* message packet */
  148         unsigned short hdr;     /* ACK, class-code, format 1, message type */
  149         unsigned short dfl;     /* data field length (8 bit) */
  150         unsigned short rbpcr;   /* residual b/r/tm count word */
  151         unsigned short xst0;    /* Extended Status Registers 0-4 */
  152         unsigned short xst1;
  153         unsigned short xst2;
  154         unsigned short xst3;
  155         unsigned short xst4;    /* total size: 16 bytes */
  156 };
  157 
  158 struct chr {
  159         unsigned short sadrl;   /* low-word of status addr */
  160         unsigned short sadrh;
  161         unsigned short onesix;  /* 016/020 */
  162         unsigned short chrw;    /* Characteristics word */
  163         unsigned short xchrw;   /* TS05 extra word */
  164 };
  165 /*
  166  * Flags used in write-characteristics command
  167  */
  168 #define TS_WC_ESS       (1<<7)  /* Enable Skip Tape Marks Stop */
  169 #define TS_WC_ENB       (1<<6)  /* Enable Tape Mark Stop at Bot */
  170 #define TS_WC_EAI       (1<<5)  /* Enable Attention interrupts */
  171 #define TS_WC_ERI       (1<<4)  /* Enable Message Buffer Release interrupts */
  172 #define TS_WCX_HSP      (1<<5)  /* High Speed Select (25 in/s vs. 100 in/s) */
  173 #define TS_WCX_RBUF     (1<<4)  /* Enable read buffering */
  174 #define TS_WCX_WBUF     (1<<3)  /* Enable write buffering */
  175 
  176 /*
  177  * Status flags
  178  *
  179  * Extended Status register 0 (XST0)  --  XST0 appears as the fourth word
  180  * in the message buffer stored by the TSV05 subsystem upon completion of
  181  * a command or an ATTN
  182  */
  183 #define TS_SF_TMK       (1<<15) /* Tape Mark Detected */
  184 #define TS_SF_RLS       (1<<14) /* Record Length Short */
  185 #define TS_SF_LET       (1<<13) /* Logical End of Tape */
  186 #define TS_SF_RLL       (1<<12) /* Record Length Long */
  187 #define TS_SF_WLE       (1<<11) /* Write Lock Error */
  188 #define TS_SF_NEF       (1<<10) /* Nonexecutable Function */
  189 #define TS_SF_ILC       (1<< 9) /* Illegal Command */
  190 #define TS_SF_ILA       (1<< 8) /* Illegal Address */
  191 #define TS_SF_MOT       (1<< 7) /* Motion */
  192 #define TS_SF_ONL       (1<< 6) /* On-Line */
  193 #define TS_SF_IE        (1<< 5) /* Interrupt Enable */
  194 #define TS_SF_VCK       (1<< 4) /* Volume Check */
  195 #define TS_SF_PED       (1<< 3) /* Phase Encoded Drive */
  196 #define TS_SF_WLK       (1<< 2) /* Write Locked */
  197 #define TS_SF_BOT       (1<< 1) /* Beginning of Tape */
  198 #define TS_SF_EOT       (1<< 0) /* End of Tape */
  199 
  200 #define TS_XST0_BITS    "\2\20TMK\17RLS\16LET\15RLL\14WLE\13NEF\12ILC\11ILA" \
  201                            "\10MOT\07ONL\06IE \05VCK\04PED\03WLK\02BOT\01EOT"
  202 /*
  203  * Extended Status register 1 (XST1)  --  XST1 appears as the fifth word
  204  * in the message buffer stored by the TSV05 subsystem upon completion of
  205  * a command or an ATTN
  206  */
  207 #define TS_SF_DLT       (1<<15) /* Data Late */
  208 #define TS_SF_COR       (1<<13) /* Correctable Data */
  209 #define TS_SF_CRS       (1<<12) /* TS11: Crease Detected */
  210 #define TS_SF_TIG       (1<<11) /* TS11: Trash in Gap */
  211 #define TS_SF_DBF       (1<<10) /* TS11: Desckew Buffer Fail */
  212 #define TS_SF_SCK       (1<< 9) /* TS11: Speed Check */
  213 #define TS_SF_RBP       (1<< 8) /* Read Bus Parity Error */
  214 #define TS_SF_IPR       (1<< 7) /* TS11: Invalid Preamble */
  215 #define TS_SF_IPO       (1<< 6) /* TS11: Invalid Postamble */
  216 #define TS_SF_SYN       (1<< 5) /* TS11: Sync Failure */
  217 #define TS_SF_IED       (1<< 4) /* TS11: Invalid End Data */
  218 #define TS_SF_POS       (1<< 3) /* TS11: Postamble short */
  219 #define TS_SF_POL       (1<< 2) /* TS11: Postamble long */
  220 #define TS_SF_UNC       (1<< 1) /* Uncorrectable Data or Hard Error */
  221 #define TS_SF_MTE       (1<< 0) /* TS11: Multitrack Error */
  222 
  223 #define TS_XST1_BITS    "\2\20DLT\16COR\15CRS\14TIG\13DBF\12SCK\11RBP" \
  224                            "\10IPR\07IPO\06SYN\05IED\04POS\03POL\02UNC\01MTE"
  225 
  226 /*
  227  * Extended Status register 2 (XST2)  --  sixth word
  228  */
  229 #define TS_SF_OPM       (1<<15) /* Operation in Progress (tape moving) */
  230 #define TS_SF_RCE       (1<<14) /* RAM Checksum Error */
  231 #define TS_SF_SBP       (1<<13) /* TS11: Serial 08 bus parity */
  232 #define TS_SF_CAF       (1<<12) /* TS11: Capstan Acceleration fail */
  233 #define TS_SF_TU80      (1<<11) /* Is a TU80 */
  234 #define TS_SF_WCF       (1<<10) /* Write Clock Failure */
  235 #define TS_SF_PDT       (1<< 8) /* TS11: Parity Dead Track */
  236 #define TS_SF_RL        0x00FF  /* Revision Level */
  237 #define TS_SF_EFES      (1<< 7) /* extended features enable switch */
  238 #define TS_SF_BES       (1<< 6) /* Buffering enable switch */
  239 #define TS_SF_MCRL      0x003F  /* micro-code revision level */
  240 #define TS_SF_UNIT      0x0003  /* unit number of selected transport */
  241 
  242 #define TS_XST2_BITS    "\2\20OPM\17RCE\16SBP\15CAF\13WCF\11PDT\10EFES\7BES"
  243 
  244 /*
  245  * Extended Status register 3 (XST3))  --  seventh word
  246  */
  247 #define TS_SF_MDE       0xFF00  /* Micro-Diagnostics Error Code */
  248 #define TS_SF_LMX       (1<< 7) /* TS11: Tension Arm Limit Exceeded */
  249 #define TS_SF_OPI       (1<< 6) /* Operation Incomplete */
  250 #define TS_SF_REV       (1<< 5) /* Revers */
  251 #define TS_SF_CRF       (1<< 4) /* TS11: Capstan Response Failure */
  252 #define TS_SF_DCK       (1<< 3) /* Density Check */
  253 #define TS_SF_NBE       (1<< 2) /* TS11: Noise Bit during Erase */
  254 #define TS_SF_LSA       (1<< 1) /* TS11: Limit Switch Activated */
  255 #define TS_SF_RIB       (1<< 0) /* Reverse into BOT */
  256 
  257 #define TS_XST3_BITS    "\2\10LMX\07OPI\06REV\05CRF\04DCK\03NBE\02LSA\01RIB"
  258 
  259 /*
  260  * Extended Status register 4 (XST4))  --  eighth word
  261  */
  262 #define TS_SF_HSP       (1<<15) /* High Speed */
  263 #define TS_SF_RCX       (1<<14) /* Retry Count Exceeded */
  264 #define TS_SF_WRC       0x00FF  /* Write Retry Count Statistics */
  265 
  266 #define TS_XST4_BITS    "\2\20HSP\17RCX"
  267 
  268 

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