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      1 /*	$NetBSD: wtreg.h,v 1.9 2015/09/06 06:01:00 dholland Exp $	*/
      2 
      3 /*
      4  * Streamer tape driver.
      5  * Supports Archive and Wangtek compatible QIC-02/QIC-36 boards.
      6  *
      7  * Copyright (C) 1993 by:
      8  *      Sergey Ryzhkov       <sir (at) kiae.su>
      9  *      Serge Vakulenko      <vak (at) zebub.msk.su>
     10  *
     11  * This software is distributed with NO WARRANTIES, not even the implied
     12  * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
     13  *
     14  * Authors grant any other persons or organisations permission to use
     15  * or modify this software as long as this message is kept with the software,
     16  * all derivative works or modified versions.
     17  *
     18  * This driver is derived from the old 386bsd Wangtek streamer tape driver,
     19  * made by Robert Baron at CMU, based on Intel sources.
     20  */
     21 
     22 /*
     23  * Copyright (c) 1989 Carnegie-Mellon University.
     24  * All rights reserved.
     25  *
     26  * Authors: Robert Baron
     27  *
     28  * Permission to use, copy, modify and distribute this software and
     29  * its documentation is hereby granted, provided that both the copyright
     30  * notice and this permission notice appear in all copies of the
     31  * software, derivative works or modified versions, and any portions
     32  * thereof, and that both notices appear in supporting documentation.
     33  *
     34  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     35  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     36  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     37  *
     38  * Carnegie Mellon requests users of this software to return to
     39  *
     40  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     41  *  School of Computer Science
     42  *  Carnegie Mellon University
     43  *  Pittsburgh PA 15213-3890
     44  *
     45  * any improvements or extensions that they make and grant Carnegie the
     46  * rights to redistribute these changes.
     47  */
     48 
     49 /*
     50  *  Copyright 1988, 1989 by Intel Corporation
     51  */
     52 
     53 #include <sys/ioccom.h>
     54 
     55 /* ioctl for direct QIC commands */
     56 #define WTQICMD         _IO('W', 0)
     57 
     58 /* QIC-02 commands allowed for WTQICMD */
     59 #define QIC_ERASE       0x22    /* erase the tape */
     60 #define QIC_RETENS      0x24    /* retension the tape */
     61 
     62 /* internal QIC-02 commands */
     63 #define QIC_RDDATA      0x80    /* read data */
     64 #define QIC_READFM      0xa0    /* read file mark */
     65 #define QIC_WRTDATA     0x40    /* write data */
     66 #define QIC_WRITEFM     0x60    /* write file mark */
     67 #define QIC_RDSTAT      0xc0    /* read status command */
     68 #define QIC_REWIND      0x21    /* rewind command (position+bot) */
     69 #define QIC_FMT11       0x26    /* set format QIC-11 */
     70 #define QIC_FMT24       0x27    /* set format QIC-24 */
     71 #define QIC_FMT120      0x28    /* set format QIC-120 */
     72 #define QIC_FMT150      0x29    /* set format QIC-150 */
     73 #define QIC_FMT300      0x2a    /* set format QIC-300/QIC-2100 */
     74 #define QIC_FMT600      0x2b    /* set format QIC-600/QIC-2200 */
     75 
     76 /* tape driver flags */
     77 #define TPINUSE         0x0001  /* tape is already open */
     78 #define TPREAD          0x0002  /* tape is only open for reading */
     79 #define TPWRITE         0x0004  /* tape is only open for writing */
     80 #define TPSTART         0x0008  /* tape must be rewound and reset */
     81 #define TPRMARK         0x0010  /* read file mark command outstanding */
     82 #define TPWMARK         0x0020  /* write file mark command outstanding */
     83 #define TPREW           0x0040  /* rewind command outstanding */
     84 #define TPEXCEP         0x0080  /* i/o exception flag */
     85 #define TPVOL           0x0100  /* read file mark or hit end of tape */
     86 #define TPWO            0x0200  /* write command outstanding */
     87 #define TPRO            0x0400  /* read command outstanding */
     88 #define TPWANY          0x0800  /* write command requested */
     89 #define TPRANY          0x1000  /* read command requested */
     90 #define TPWP            0x2000  /* write protect error seen */
     91 #define TPTIMER         0x4000  /* timer() is active */
     92 #define TPACTIVE        0x8000  /* DMA i/o active */
     93 
     94 /* controller error register bits */
     95 #define TP_FIL          0x0001  /* File mark detected */
     96 #define TP_BNL          0x0002  /* Block not located */
     97 #define TP_UDA          0x0004  /* Unrecoverable data error */
     98 #define TP_EOM          0x0008  /* End of media */
     99 #define TP_WRP          0x0010  /* Write protected cartridge */
    100 #define TP_USL          0x0020  /* Unselected drive */
    101 #define TP_CNI          0x0040  /* Cartridge not in place */
    102 #define TP_ST0          0x0080  /* Status byte 0 bits */
    103 #define TP_ST0MASK      0x00ff  /* Status byte 0 mask */
    104 #define TP_POR          0x0100  /* Power on/reset occurred */
    105 #define TP_ERM          0x0200  /* Reserved for end of recorded media */
    106 #define TP_BPE          0x0400  /* Reserved for bus parity error */
    107 #define TP_BOM          0x0800  /* Beginning of media */
    108 #define TP_MBD          0x1000  /* Marginal block detected */
    109 #define TP_NDT          0x2000  /* No data detected */
    110 #define TP_ILL          0x4000  /* Illegal command - should not happen! */
    111 #define TP_ST1          0x8000  /* Status byte 1 bits */
    112 #define TP_ST1MASK      0xff00  /* Status byte 1 mask */
    113 
    114 /* formats for printing flags and error values */
    115 #define WTDS_BITS "\20\1inuse\2read\3write\4start\5rmark\6wmark\7rew\10excep\11vol\12wo\13ro\14wany\15rany\16wp\17timer\20active"
    116 #define WTER_BITS "\20\1eof\2bnl\3uda\4eom\5wrp\6usl\7cni\11por\12erm\13bpe\14bom\15mbd\16ndt\17ill"
    117 
    118 /* device minor number */
    119 #define WT_BSIZE        0100    /* long block flag */
    120 #define WT_DENSEL       0070    /* density select mask */
    121 #define WT_DENSDFLT     0000    /* default density */
    122 #define WT_QIC11        0010    /* 11 megabytes? */
    123 #define WT_QIC24        0020    /* 60 megabytes */
    124 #define WT_QIC120       0030    /* 120 megabytes */
    125 #define WT_QIC150       0040    /* 150 megabytes */
    126 #define WT_QIC300       0050    /* 300 megabytes? */
    127 #define WT_QIC600       0060    /* 600 megabytes? */
    128