sys/dev/isa/wtreg.h

   1 /*      $NetBSD: wtreg.h,v 1.6.2.1 2005/03/04 16:43:17 skrll 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@kiae.su>
   9  *      Serge Vakulenko      <vak@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@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 /* ioctl for direct QIC commands */
  54 #define WTQICMD         _IO('W', 0)
  55
  56 /* QIC-02 commands allowed for WTQICMD */
  57 #define QIC_ERASE       0x22    /* erase the tape */
  58 #define QIC_RETENS      0x24    /* retension the tape */
  59
  60 /* internal QIC-02 commands */
  61 #define QIC_RDDATA      0x80    /* read data */
  62 #define QIC_READFM      0xa0    /* read file mark */
  63 #define QIC_WRTDATA     0x40    /* write data */
  64 #define QIC_WRITEFM     0x60    /* write file mark */
  65 #define QIC_RDSTAT      0xc0    /* read status command */
  66 #define QIC_REWIND      0x21    /* rewind command (position+bot) */
  67 #define QIC_FMT11       0x26    /* set format QIC-11 */
  68 #define QIC_FMT24       0x27    /* set format QIC-24 */
  69 #define QIC_FMT120      0x28    /* set format QIC-120 */
  70 #define QIC_FMT150      0x29    /* set format QIC-150 */
  71 #define QIC_FMT300      0x2a    /* set format QIC-300/QIC-2100 */
  72 #define QIC_FMT600      0x2b    /* set format QIC-600/QIC-2200 */
  73
  74 /* tape driver flags */
  75 #define TPINUSE         0x0001  /* tape is already open */
  76 #define TPREAD          0x0002  /* tape is only open for reading */
  77 #define TPWRITE         0x0004  /* tape is only open for writing */
  78 #define TPSTART         0x0008  /* tape must be rewound and reset */
  79 #define TPRMARK         0x0010  /* read file mark command outstanding */
  80 #define TPWMARK         0x0020  /* write file mark command outstanding */
  81 #define TPREW           0x0040  /* rewind command outstanding */
  82 #define TPEXCEP         0x0080  /* i/o exception flag */
  83 #define TPVOL           0x0100  /* read file mark or hit end of tape */
  84 #define TPWO            0x0200  /* write command outstanding */
  85 #define TPRO            0x0400  /* read command outstanding */
  86 #define TPWANY          0x0800  /* write command requested */
  87 #define TPRANY          0x1000  /* read command requested */
  88 #define TPWP            0x2000  /* write protect error seen */
  89 #define TPTIMER         0x4000  /* timer() is active */
  90 #define TPACTIVE        0x8000  /* DMA i/o active */
  91
  92 /* controller error register bits */
  93 #define TP_FIL          0x0001  /* File mark detected */
  94 #define TP_BNL          0x0002  /* Block not located */
  95 #define TP_UDA          0x0004  /* Unrecoverable data error */
  96 #define TP_EOM          0x0008  /* End of media */
  97 #define TP_WRP          0x0010  /* Write protected cartridge */
  98 #define TP_USL          0x0020  /* Unselected drive */
  99 #define TP_CNI          0x0040  /* Cartridge not in place */
 100 #define TP_ST0          0x0080  /* Status byte 0 bits */
 101 #define TP_ST0MASK      0x00ff  /* Status byte 0 mask */
 102 #define TP_POR          0x0100  /* Power on/reset occurred */
 103 #define TP_ERM          0x0200  /* Reserved for end of recorded media */
 104 #define TP_BPE          0x0400  /* Reserved for bus parity error */
 105 #define TP_BOM          0x0800  /* Beginning of media */
 106 #define TP_MBD          0x1000  /* Marginal block detected */
 107 #define TP_NDT          0x2000  /* No data detected */
 108 #define TP_ILL          0x4000  /* Illegal command - should not happen! */
 109 #define TP_ST1          0x8000  /* Status byte 1 bits */
 110 #define TP_ST1MASK      0xff00  /* Status byte 1 mask */
 111
 112 /* formats for printing flags and error values */
 113 #define WTDS_BITS "\20\1inuse\2read\3write\4start\5rmark\6wmark\7rew\10excep\11vol\12wo\13ro\14wany\15rany\16wp\17timer\20active"
 114 #define WTER_BITS "\20\1eof\2bnl\3uda\4eom\5wrp\6usl\7cni\11por\12erm\13bpe\14bom\15mbd\16ndt\17ill"
 115
 116 /* device minor number */
 117 #define WT_BSIZE        0100    /* long block flag */
 118 #define WT_DENSEL       0070    /* density select mask */
 119 #define WT_DENSDFLT     0000    /* default density */
 120 #define WT_QIC11        0010    /* 11 megabytes? */
 121 #define WT_QIC24        0020    /* 60 megabytes */
 122 #define WT_QIC120       0030    /* 120 megabytes */
 123 #define WT_QIC150       0040    /* 150 megabytes */
 124 #define WT_QIC300       0050    /* 300 megabytes? */
 125 #define WT_QIC600       0060    /* 600 megabytes? */