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

     /*      $NetBSD: tsreg.h,v 1.3 2005/02/26 12:45:06 simonb Exp $ */
     /*
      * Copyright (c) 1995 Ludd, University of Lule}, Sweden.
      * All rights reserved.
      *
      * This code is derived from software contributed to Ludd by
      * Bertram Barth.
      *
      * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed at Ludd, University of
     *      Lule}, Sweden and its contributors.
     * 4. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    /*
     * TSV05 u.g. 5-11:
     *
     * The TSV05 Subsystem has four device registers that occupy only two
     * LSI-11 Bus word locations: a Data Buffer (TSDB), a Bus Address
     * Register (TSBA), a Status Register (TSSR), and an Extended Data
     * Bufffer (TSDBX). The TSDB is an 18-bit register that is ...
     */
    
    #ifdef notdef
    struct tsdevice {
            unsigned short tsdb;/* Data Buffer (TSDB)/Bus Address Register (TSBA) */
            unsigned short tssr;/* Status Reg. (TSSR)/Extended Data Buffer(TSDBX) */
    };
    #endif
    #define TSDB    0
    #define TSBA    0
    #define TSSR    2
    #define TSDBX   3
    
    /*
     * TSSR Register bit definitions
     */
    #define TS_SC   0x8000  /* Special Condition */
    #define TS_UPE  0x4000  /* not used in TSV05, UPE in TS11 */
    #define TS_SCE  0x2000  /* Sanity Check Error, SPE in TS11 */
    #define TS_RMR  0x1000  /* Register Modification Refused */
    #define TS_NXM  0x0800  /* Nonexistent Memory */
    #define TS_NBA  0x0400  /* Need Buffer Address */
    #define TS_A11  0x0300  /* Address Bits 17-16 */
    #define TS_SSR  0x0080  /* Subsystem Ready */
    #define TS_OFL  0x0040  /* Off Line */
    #define TS_FTC  0x0030  /* Fatal Termination Class Code */
    #define TS_TC   0x000E  /* Termination Class Code */
    #define TS_NU   0x0001  /* Not Used */
    
    #define TS_TSSR_BITS    "\2\20SC\17UPE\16SCE\15RMR\14NXM\13NBA\12A17\11A16" \
                               "\10SSR\7OFL\6FTC\5FTC\4FTL\3ERR\2ATTN\1NU"
    
    /*
     * Termination Codes
     */
    #define TS_FTC_IDF      (0<<4)  /* internal diagnostic failure */
    #define TS_FTC_RSVD     (1<<4)  /* Reserved */
    #define TS_FTC_NU       (2<<4)  /* Not Used */
    #define TS_FTC_DPD      (3<<4)  /* Detection of Power Down (not implemented) */
    
    #define TS_TC_NORM      (0<<1)  /* Normal Termination */
    #define TS_TC_ATTN      (1<<1)  /* Attention Condition */
    #define TS_TC_TSA       (2<<1)  /* Tape status alert */
    #define TS_TC_FR        (3<<1)  /* Function reject */
    #define TS_TC_TPD       (4<<1)  /* Tape position is one record down (recov.) */
    #define TS_TC_TNM       (5<<1)  /* Tape not moved (recoverable) */
    #define TS_TC_TPL       (6<<1)  /* Tape position lost (unrecoverable) */
    #define TS_TC_FCE       (7<<1)  /* Fatal Controller Error (see FTC) */
    
    struct cmd {                    /* command packet (not all words required) */
            unsigned short cmdr;    /* command word */
            unsigned short cw1;     /* low order data pointer address  (A15-00) */
            unsigned short cw2;     /* high order data pointer address (A21-16) */
            unsigned short cw3;     /* count parameter */
    };
    
    /*
    * Command flags
    */
   #define TS_CF_ACK       (1<<15)         /* Acknowledge */
   #define TS_CF_CVC       (1<<14)         /* Clear Volume Check */
   #define TS_CF_OPP       (1<<13)         /* Opposite */
   #define TS_CF_SWB       (1<<12)         /* Swap Bytes */
   #define TS_CF_IE        (1<< 7)         /* Interrupt Enable */
   #define TS_CF_CMODE     0x0F00          /* Command Mode Field */
   #define TS_CF_CCODE     0x001F          /* Command Code (major) */
   #define TS_CF_CMASK     0x0F1F          /* mask for complete command */
   
   #define TS_CMD(cMode,cCode)     ((cMode<<8)|cCode)
   
   #define TS_CC_READ      0x01                    /* READ */
   #define TS_CMD_RNF      TS_CMD(0,TS_CC_READ)    /* Read Next (Forward) */
   #define TS_CMD_RPR      TS_CMD(1,TS_CC_READ)    /* Read Previous (Reverse) */
   #define TS_CMD_RPF      TS_CMD(2,TS_CC_READ)    /* Read Previous (Forward) */
   #define TS_CMD_RNR      TS_CMD(3,TS_CC_READ)    /* Read Next (Reverse) */
   
   #define TS_CC_WCHAR     0x04                    /* WRITE CHARACTERISTICS */
   #define TS_CMD_WCHAR    TS_CMD(0,TS_CC_WCHAR)   /* Load msg-buffer etc. */
   
   #define TS_CC_WRITE     0x05                    /* WRITE */
   #define TS_CMD_WD       TS_CMD(0,TS_CC_WRITE)   /* Write Data (Next) */
   #define TS_CMD_WDR      TS_CMD(1,TS_CC_WRITE)   /* Write Data (Retry) */
   
   #define TS_CC_WSM       0x06                    /* WRITE SUBSYSTEM MEMORY */
   #define TS_CMD_WSM      TS_CMD(0,TS_CC_WSM)     /* (diagnostics only) */
   
   #define TS_CC_POS       0x08                    /* POSITION */
   #define TS_CMD_SRF      TS_CMD(0,TS_CC_POS)     /* Space Records Forward */
   #define TS_CMD_SRR      TS_CMD(1,TS_CC_POS)     /* Space Records Reverse */
   #define TS_CMD_STMF     TS_CMD(2,TS_CC_POS)     /* Skip Tape Marks Forward */
   #define TS_CMD_STMR     TS_CMD(3,TS_CC_POS)     /* Skip Tape Marks Reverse */
   #define TS_CMD_RWND     TS_CMD(4,TS_CC_POS)     /* Rewind */
   
   #define TS_CC_FRMT      0x09                    /* FORMAT */
   #define TS_CMD_WTM      TS_CMD(0,TS_CC_FRMT)    /* Write Tape Mark */
   #define TS_CMD_ETM      TS_CMD(1,TS_CC_FRMT)    /* Erase */
   #define TS_CMD_WTMR     TS_CMD(2,TS_CC_FRMT)    /* Write Tape Mark (Retry) */
   
   #define TS_CC_CTRL      0x0A                    /* CONTROL */
   #define TS_CMD_MBR      TS_CMD(0,TS_CC_CTRL)    /* Message Buffer Release */
   #define TS_CMD_RWUL     TS_CMD(1,TS_CC_CTRL)    /* Rewind and Unload */
   #define TS_CMD_NOP      TS_CMD(2,TS_CC_CTRL)    /* NO-OP (TS11: clean tape) */
   #define TS_CMD_RWII     TS_CMD(4,TS_CC_CTRL)    /* Rewind with intermediate */
                                                   /* interrupt (TS11: N.A.) */
   #define TS_CC_INIT      0x0B                    /* INITIALIZE */
   #define TS_CMD_INIT     TS_CMD(0,TS_CC_INIT)    /* Controller/Drive Initial. */
   
   #define TS_CC_STAT      0x0F                    /* GET STATUS */
   #define TS_CMD_STAT     TS_CMD(0,TS_CC_STAT)    /* Get Status (END) */
   
   struct status {                 /* message packet */
           unsigned short hdr;     /* ACK, class-code, format 1, message type */
           unsigned short dfl;     /* data field length (8 bit) */
           unsigned short rbpcr;   /* residual b/r/tm count word */
           unsigned short xst0;    /* Extended Status Registers 0-4 */
           unsigned short xst1;
           unsigned short xst2;
           unsigned short xst3;
           unsigned short xst4;    /* total size: 16 bytes */
   };
   
   struct chr {
           unsigned short sadrl;   /* low-word of status addr */
           unsigned short sadrh;
           unsigned short onesix;  /* 016/020 */
           unsigned short chrw;    /* Characteristics word */
           unsigned short xchrw;   /* TS05 extra word */
   };
   /*
    * Flags used in write-characteristics command
    */
   #define TS_WC_ESS       (1<<7)  /* Enable Skip Tape Marks Stop */
   #define TS_WC_ENB       (1<<6)  /* Enable Tape Mark Stop at Bot */
   #define TS_WC_EAI       (1<<5)  /* Enable Attention interrupts */
   #define TS_WC_ERI       (1<<4)  /* Enable Message Buffer Release interrupts */
   #define TS_WCX_HSP      (1<<5)  /* High Speed Select (25 in/s vs. 100 in/s) */
   #define TS_WCX_RBUF     (1<<4)  /* Enable read buffering */
   #define TS_WCX_WBUF     (1<<3)  /* Enable write buffering */
   
   /*
    * Status flags
    *
    * Extended Status register 0 (XST0)  --  XST0 appears as the fourth word
    * in the message buffer stored by the TSV05 subsystem upon completion of
    * a command or an ATTN
    */
   #define TS_SF_TMK       (1<<15) /* Tape Mark Detected */
   #define TS_SF_RLS       (1<<14) /* Record Length Short */
   #define TS_SF_LET       (1<<13) /* Logical End of Tape */
   #define TS_SF_RLL       (1<<12) /* Record Length Long */
   #define TS_SF_WLE       (1<<11) /* Write Lock Error */
   #define TS_SF_NEF       (1<<10) /* Nonexecutable Function */
   #define TS_SF_ILC       (1<< 9) /* Illegal Command */
   #define TS_SF_ILA       (1<< 8) /* Illegal Address */
   #define TS_SF_MOT       (1<< 7) /* Motion */
   #define TS_SF_ONL       (1<< 6) /* On-Line */
   #define TS_SF_IE        (1<< 5) /* Interrupt Enable */
   #define TS_SF_VCK       (1<< 4) /* Volume Check */
   #define TS_SF_PED       (1<< 3) /* Phase Encoded Drive */
   #define TS_SF_WLK       (1<< 2) /* Write Locked */
   #define TS_SF_BOT       (1<< 1) /* Beginning of Tape */
   #define TS_SF_EOT       (1<< 0) /* End of Tape */
   
   #define TS_XST0_BITS    "\2\20TMK\17RLS\16LET\15RLL\14WLE\13NEF\12ILC\11ILA" \
                              "\10MOT\07ONL\06IE \05VCK\04PED\03WLK\02BOT\01EOT"
   /*
    * Extended Status register 1 (XST1)  --  XST1 appears as the fifth word
    * in the message buffer stored by the TSV05 subsystem upon completion of
    * a command or an ATTN
    */
   #define TS_SF_DLT       (1<<15) /* Data Late */
   #define TS_SF_COR       (1<<13) /* Correctable Data */
   #define TS_SF_CRS       (1<<12) /* TS11: Crease Detected */
   #define TS_SF_TIG       (1<<11) /* TS11: Trash in Gap */
   #define TS_SF_DBF       (1<<10) /* TS11: Desckew Buffer Fail */
   #define TS_SF_SCK       (1<< 9) /* TS11: Speed Check */
   #define TS_SF_RBP       (1<< 8) /* Read Bus Parity Error */
   #define TS_SF_IPR       (1<< 7) /* TS11: Invalid Preamble */
   #define TS_SF_IPO       (1<< 6) /* TS11: Invalid Postamble */
   #define TS_SF_SYN       (1<< 5) /* TS11: Sync Failure */
   #define TS_SF_IED       (1<< 4) /* TS11: Invalid End Data */
   #define TS_SF_POS       (1<< 3) /* TS11: Postamble short */
   #define TS_SF_POL       (1<< 2) /* TS11: Postamble long */
   #define TS_SF_UNC       (1<< 1) /* Uncorrectable Data or Hard Error */
   #define TS_SF_MTE       (1<< 0) /* TS11: Multitrack Error */
   
   #define TS_XST1_BITS    "\2\20DLT\16COR\15CRS\14TIG\13DBF\12SCK\11RBP" \
                              "\10IPR\07IPO\06SYN\05IED\04POS\03POL\02UNC\01MTE"
   
   /*
    * Extended Status register 2 (XST2)  --  sixth word
    */
   #define TS_SF_OPM       (1<<15) /* Operation in Progress (tape moving) */
   #define TS_SF_RCE       (1<<14) /* RAM Checksum Error */
   #define TS_SF_SBP       (1<<13) /* TS11: Serial 08 bus parity */
   #define TS_SF_CAF       (1<<12) /* TS11: Capstan Acceleration fail */
   #define TS_SF_TU80      (1<<11) /* Is a TU80 */
   #define TS_SF_WCF       (1<<10) /* Write Clock Failure */
   #define TS_SF_PDT       (1<< 8) /* TS11: Parity Dead Track */
   #define TS_SF_RL        0x00FF  /* Revision Level */
   #define TS_SF_EFES      (1<< 7) /* extended features enable switch */
   #define TS_SF_BES       (1<< 6) /* Buffering enable switch */
   #define TS_SF_MCRL      0x003F  /* micro-code revision level */
   #define TS_SF_UNIT      0x0003  /* unit number of selected transport */
   
   #define TS_XST2_BITS    "\2\20OPM\17RCE\16SBP\15CAF\13WCF\11PDT\10EFES\7BES"
   
   /*
    * Extended Status register 3 (XST3))  --  seventh word
    */
   #define TS_SF_MDE       0xFF00  /* Micro-Diagnostics Error Code */
   #define TS_SF_LMX       (1<< 7) /* TS11: Tension Arm Limit Exceeded */
   #define TS_SF_OPI       (1<< 6) /* Operation Incomplete */
   #define TS_SF_REV       (1<< 5) /* Revers */
   #define TS_SF_CRF       (1<< 4) /* TS11: Capstan Response Failure */
   #define TS_SF_DCK       (1<< 3) /* Density Check */
   #define TS_SF_NBE       (1<< 2) /* TS11: Noise Bit during Erase */
   #define TS_SF_LSA       (1<< 1) /* TS11: Limit Switch Activated */
   #define TS_SF_RIB       (1<< 0) /* Reverse into BOT */
   
   #define TS_XST3_BITS    "\2\10LMX\07OPI\06REV\05CRF\04DCK\03NBE\02LSA\01RIB"
   
   /*
    * Extended Status register 4 (XST4))  --  eighth word
    */
   #define TS_SF_HSP       (1<<15) /* High Speed */
   #define TS_SF_RCX       (1<<14) /* Retry Count Exceeded */
   #define TS_SF_WRC       0x00FF  /* Write Retry Count Statistics */
   
   #define TS_XST4_BITS    "\2\20HSP\17RCX"
   
   

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