1/*	$NetBSD: wtreg.h,v 1.8 2005/12/11 12:22:03 christos 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#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