sys/dev/qbus/tsreg.h

   1 /*      $NetBSD: tsreg.h,v 1.2.24.1 2005/03/04 16:49:54 skrll 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  * 3. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed at Ludd, University of
  20  *      Lule}, Sweden and its contributors.
  21  * 4. The name of the author may not be used to endorse or promote products
  22  *    derived from this software without specific prior written permission
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  26  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  27  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  28  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  30  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  33  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34  */
  35
  36 /*
  37  * TSV05 u.g. 5-11:
  38  *
  39  * The TSV05 Subsystem has four device registers that occupy only two
  40  * LSI-11 Bus word locations: a Data Buffer (TSDB), a Bus Address
  41  * Register (TSBA), a Status Register (TSSR), and an Extended Data
  42  * Bufffer (TSDBX). The TSDB is an 18-bit register that is ...
  43  */
  44
  45 #ifdef notdef
  46 struct tsdevice {
  47         unsigned short tsdb;/* Data Buffer (TSDB)/Bus Address Register (TSBA) */
  48         unsigned short tssr;/* Status Reg. (TSSR)/Extended Data Buffer(TSDBX) */
  49 };
  50 #endif
  51 #define TSDB    0
  52 #define TSBA    0
  53 #define TSSR    2
  54 #define TSDBX   3
  55
  56 /*
  57  * TSSR Register bit definitions
  58  */
  59 #define TS_SC   0x8000  /* Special Condition */
  60 #define TS_UPE  0x4000  /* not used in TSV05, UPE in TS11 */
  61 #define TS_SCE  0x2000  /* Sanity Check Error, SPE in TS11 */
  62 #define TS_RMR  0x1000  /* Register Modification Refused */
  63 #define TS_NXM  0x0800  /* Nonexistent Memory */
  64 #define TS_NBA  0x0400  /* Need Buffer Address */
  65 #define TS_A11  0x0300  /* Address Bits 17-16 */
  66 #define TS_SSR  0x0080  /* Subsystem Ready */
  67 #define TS_OFL  0x0040  /* Off Line */
  68 #define TS_FTC  0x0030  /* Fatal Termination Class Code */
  69 #define TS_TC   0x000E  /* Termination Class Code */
  70 #define TS_NU   0x0001  /* Not Used */
  71
  72 #define TS_TSSR_BITS    "\20\20SC\17UPE\16SCE\15RMR\14NXM\13NBA\12A17\11A16" \
  73                            "\10SSR\7OFL\6FTC\5FTC\4FTL\3ERR\2ATTN\1NU"
  74
  75 /*
  76  * Termination Codes
  77  */
  78 #define TS_FTC_IDF      (0<<4)  /* internal diagnostic failure */
  79 #define TS_FTC_RSVD     (1<<4)  /* Reserved */
  80 #define TS_FTC_NU       (2<<4)  /* Not Used */
  81 #define TS_FTC_DPD      (3<<4)  /* Detection of Power Down (not implemented) */
  82
  83 #define TS_TC_NORM      (0<<1)  /* Normal Termination */
  84 #define TS_TC_ATTN      (1<<1)  /* Attention Condition */
  85 #define TS_TC_TSA       (2<<1)  /* Tape status alert */
  86 #define TS_TC_FR        (3<<1)  /* Function reject */
  87 #define TS_TC_TPD       (4<<1)  /* Tape position is one record down (recov.) */
  88 #define TS_TC_TNM       (5<<1)  /* Tape not moved (recoverable) */
  89 #define TS_TC_TPL       (6<<1)  /* Tape position lost (unrecoverable) */
  90 #define TS_TC_FCE       (7<<1)  /* Fatal Controller Error (see FTC) */
  91
  92 struct cmd {                    /* command packet (not all words required) */
  93         unsigned short cmdr;    /* command word */
  94         unsigned short cw1;     /* low order data pointer address  (A15-00) */
  95         unsigned short cw2;     /* high order data pointer address (A21-16) */
  96         unsigned short cw3;     /* count parameter */
  97 };
  98
  99 /*
 100  * Command flags
 101  */
 102 #define TS_CF_ACK       (1<<15)         /* Acknowledge */
 103 #define TS_CF_CVC       (1<<14)         /* Clear Volume Check */
 104 #define TS_CF_OPP       (1<<13)         /* Opposite */
 105 #define TS_CF_SWB       (1<<12)         /* Swap Bytes */
 106 #define TS_CF_IE        (1<< 7)         /* Interrupt Enable */
 107 #define TS_CF_CMODE     0x0F00          /* Command Mode Field */
 108 #define TS_CF_CCODE     0x001F          /* Command Code (major) */
 109 #define TS_CF_CMASK     0x0F1F          /* mask for complete command */
 110
 111 #define TS_CMD(cMode,cCode)     ((cMode<<8)|cCode)
 112
 113 #define TS_CC_READ      0x01                    /* READ */
 114 #define TS_CMD_RNF      TS_CMD(0,TS_CC_READ)    /* Read Next (Forward) */
 115 #define TS_CMD_RPR      TS_CMD(1,TS_CC_READ)    /* Read Previous (Reverse) */
 116 #define TS_CMD_RPF      TS_CMD(2,TS_CC_READ)    /* Read Previous (Forward) */
 117 #define TS_CMD_RNR      TS_CMD(3,TS_CC_READ)    /* Read Next (Reverse) */
 118
 119 #define TS_CC_WCHAR     0x04                    /* WRITE CHARACTERISTICS */
 120 #define TS_CMD_WCHAR    TS_CMD(0,TS_CC_WCHAR)   /* Load msg-buffer etc. */
 121
 122 #define TS_CC_WRITE     0x05                    /* WRITE */
 123 #define TS_CMD_WD       TS_CMD(0,TS_CC_WRITE)   /* Write Data (Next) */
 124 #define TS_CMD_WDR      TS_CMD(1,TS_CC_WRITE)   /* Write Data (Retry) */
 125
 126 #define TS_CC_WSM       0x06                    /* WRITE SUBSYSTEM MEMORY */
 127 #define TS_CMD_WSM      TS_CMD(0,TS_CC_WSM)     /* (diagnostics only) */
 128
 129 #define TS_CC_POS       0x08                    /* POSITION */
 130 #define TS_CMD_SRF      TS_CMD(0,TS_CC_POS)     /* Space Records Forward */
 131 #define TS_CMD_SRR      TS_CMD(1,TS_CC_POS)     /* Space Records Reverse */
 132 #define TS_CMD_STMF     TS_CMD(2,TS_CC_POS)     /* Skip Tape Marks Forward */
 133 #define TS_CMD_STMR     TS_CMD(3,TS_CC_POS)     /* Skip Tape Marks Reverse */
 134 #define TS_CMD_RWND     TS_CMD(4,TS_CC_POS)     /* Rewind */
 135
 136 #define TS_CC_FRMT      0x09                    /* FORMAT */
 137 #define TS_CMD_WTM      TS_CMD(0,TS_CC_FRMT)    /* Write Tape Mark */
 138 #define TS_CMD_ETM      TS_CMD(1,TS_CC_FRMT)    /* Erase */
 139 #define TS_CMD_WTMR     TS_CMD(2,TS_CC_FRMT)    /* Write Tape Mark (Retry) */
 140
 141 #define TS_CC_CTRL      0x0A                    /* CONTROL */
 142 #define TS_CMD_MBR      TS_CMD(0,TS_CC_CTRL)    /* Message Buffer Release */
 143 #define TS_CMD_RWUL     TS_CMD(1,TS_CC_CTRL)    /* Rewind and Unload */
 144 #define TS_CMD_NOP      TS_CMD(2,TS_CC_CTRL)    /* NO-OP (TS11: clean tape) */
 145 #define TS_CMD_RWII     TS_CMD(4,TS_CC_CTRL)    /* Rewind with intermediate */
 146                                                 /* interrupt (TS11: N.A.) */
 147 #define TS_CC_INIT      0x0B                    /* INITIALIZE */
 148 #define TS_CMD_INIT     TS_CMD(0,TS_CC_INIT)    /* Controller/Drive Initial. */
 149
 150 #define TS_CC_STAT      0x0F                    /* GET STATUS */
 151 #define TS_CMD_STAT     TS_CMD(0,TS_CC_STAT)    /* Get Status (END) */
 152
 153 struct status {                 /* message packet */
 154         unsigned short hdr;     /* ACK, class-code, format 1, message type */
 155         unsigned short dfl;     /* data field length (8 bit) */
 156         unsigned short rbpcr;   /* residual b/r/tm count word */
 157         unsigned short xst0;    /* Extended Status Registers 0-4 */
 158         unsigned short xst1;
 159         unsigned short xst2;
 160         unsigned short xst3;
 161         unsigned short xst4;    /* total size: 16 bytes */
 162 };
 163
 164 struct chr {
 165         unsigned short sadrl;   /* low-word of status addr */
 166         unsigned short sadrh;
 167         unsigned short onesix;  /* 016/020 */
 168         unsigned short chrw;    /* Characteristics word */
 169         unsigned short xchrw;   /* TS05 extra word */
 170 };
 171 /*
 172  * Flags used in write-characteristics command
 173  */
 174 #define TS_WC_ESS       (1<<7)  /* Enable Skip Tape Marks Stop */
 175 #define TS_WC_ENB       (1<<6)  /* Enable Tape Mark Stop at Bot */
 176 #define TS_WC_EAI       (1<<5)  /* Enable Attention interrupts */
 177 #define TS_WC_ERI       (1<<4)  /* Enable Message Buffer Release interrupts */
 178 #define TS_WCX_HSP      (1<<5)  /* High Speed Select (25 in/s vs. 100 in/s) */
 179 #define TS_WCX_RBUF     (1<<4)  /* Enable read buffering */
 180 #define TS_WCX_WBUF     (1<<3)  /* Enable write buffering */
 181
 182 /*
 183  * Status flags
 184  *
 185  * Extended Status register 0 (XST0)  --  XST0 appears as the fourth word
 186  * in the message buffer stored by the TSV05 subsystem upon completion of
 187  * a command or an ATTN
 188  */
 189 #define TS_SF_TMK       (1<<15) /* Tape Mark Detected */
 190 #define TS_SF_RLS       (1<<14) /* Record Length Short */
 191 #define TS_SF_LET       (1<<13) /* Logical End of Tape */
 192 #define TS_SF_RLL       (1<<12) /* Record Length Long */
 193 #define TS_SF_WLE       (1<<11) /* Write Lock Error */
 194 #define TS_SF_NEF       (1<<10) /* Nonexecutable Function */
 195 #define TS_SF_ILC       (1<< 9) /* Illegal Command */
 196 #define TS_SF_ILA       (1<< 8) /* Illegal Address */
 197 #define TS_SF_MOT       (1<< 7) /* Motion */
 198 #define TS_SF_ONL       (1<< 6) /* On-Line */
 199 #define TS_SF_IE        (1<< 5) /* Interrupt Enable */
 200 #define TS_SF_VCK       (1<< 4) /* Volume Check */
 201 #define TS_SF_PED       (1<< 3) /* Phase Encoded Drive */
 202 #define TS_SF_WLK       (1<< 2) /* Write Locked */
 203 #define TS_SF_BOT       (1<< 1) /* Beginning of Tape */
 204 #define TS_SF_EOT       (1<< 0) /* End of Tape */
 205
 206 #define TS_XST0_BITS    "\20\20TMK\17RLS\16LET\15RLL\14WLE\13NEF\12ILC\11ILA" \
 207                            "\10MOT\07ONL\06IE \05VCK\04PED\03WLK\02BOT\01EOT"
 208 /*
 209  * Extended Status register 1 (XST1)  --  XST1 appears as the fifth word
 210  * in the message buffer stored by the TSV05 subsystem upon completion of
 211  * a command or an ATTN
 212  */
 213 #define TS_SF_DLT       (1<<15) /* Data Late */
 214 #define TS_SF_COR       (1<<13) /* Correctable Data */
 215 #define TS_SF_CRS       (1<<12) /* TS11: Crease Detected */
 216 #define TS_SF_TIG       (1<<11) /* TS11: Trash in Gap */
 217 #define TS_SF_DBF       (1<<10) /* TS11: Desckew Buffer Fail */
 218 #define TS_SF_SCK       (1<< 9) /* TS11: Speed Check */
 219 #define TS_SF_RBP       (1<< 8) /* Read Bus Parity Error */
 220 #define TS_SF_IPR       (1<< 7) /* TS11: Invalid Preamble */
 221 #define TS_SF_IPO       (1<< 6) /* TS11: Invalid Postamble */
 222 #define TS_SF_SYN       (1<< 5) /* TS11: Sync Failure */
 223 #define TS_SF_IED       (1<< 4) /* TS11: Invalid End Data */
 224 #define TS_SF_POS       (1<< 3) /* TS11: Postamble short */
 225 #define TS_SF_POL       (1<< 2) /* TS11: Postamble long */
 226 #define TS_SF_UNC       (1<< 1) /* Uncorrectable Data or Hard Error */
 227 #define TS_SF_MTE       (1<< 0) /* TS11: Multitrack Error */
 228
 229 #define TS_XST1_BITS    "\20\20DLT\16COR\15CRS\14TIG\13DBF\12SCK\11RBP" \
 230                            "\10IPR\07IPO\06SYN\05IED\04POS\03POL\02UNC\01MTE"
 231
 232 /*
 233  * Extended Status register 2 (XST2)  --  sixth word
 234  */
 235 #define TS_SF_OPM       (1<<15) /* Operation in Progress (tape moving) */
 236 #define TS_SF_RCE       (1<<14) /* RAM Checksum Error */
 237 #define TS_SF_SBP       (1<<13) /* TS11: Serial 08 bus parity */
 238 #define TS_SF_CAF       (1<<12) /* TS11: Capstan Acceleration fail */
 239 #define TS_SF_TU80      (1<<11) /* Is a TU80 */
 240 #define TS_SF_WCF       (1<<10) /* Write Clock Failure */
 241 #define TS_SF_PDT       (1<< 8) /* TS11: Parity Dead Track */
 242 #define TS_SF_RL        0x00FF  /* Revision Level */
 243 #define TS_SF_EFES      (1<< 7) /* extended features enable switch */
 244 #define TS_SF_BES       (1<< 6) /* Buffering enable switch */
 245 #define TS_SF_MCRL      0x003F  /* micro-code revision level */
 246 #define TS_SF_UNIT      0x0003  /* unit number of selected transport */
 247
 248 #define TS_XST2_BITS    "\20\20OPM\17RCE\16SBP\15CAF\13WCF\11PDT\10EFES\7BES"
 249
 250 /*
 251  * Extended Status register 3 (XST3))  --  seventh word
 252  */
 253 #define TS_SF_MDE       0xFF00  /* Micro-Diagnostics Error Code */
 254 #define TS_SF_LMX       (1<< 7) /* TS11: Tension Arm Limit Exceeded */
 255 #define TS_SF_OPI       (1<< 6) /* Operation Incomplete */
 256 #define TS_SF_REV       (1<< 5) /* Revers */
 257 #define TS_SF_CRF       (1<< 4) /* TS11: Capstan Response Failure */
 258 #define TS_SF_DCK       (1<< 3) /* Density Check */
 259 #define TS_SF_NBE       (1<< 2) /* TS11: Noise Bit during Erase */
 260 #define TS_SF_LSA       (1<< 1) /* TS11: Limit Switch Activated */
 261 #define TS_SF_RIB       (1<< 0) /* Reverse into BOT */
 262
 263 #define TS_XST3_BITS    "\20\10LMX\07OPI\06REV\05CRF\04DCK\03NBE\02LSA\01RIB"
 264
 265 /*
 266  * Extended Status register 4 (XST4))  --  eighth word
 267  */
 268 #define TS_SF_HSP       (1<<15) /* High Speed */
 269 #define TS_SF_RCX       (1<<14) /* Retry Count Exceeded */
 270 #define TS_SF_WRC       0x00FF  /* Write Retry Count Statistics */
 271
 272 #define TS_XST4_BITS    "\20\20HSP\17RCX"
 273
 274