1#ifndef _QIC117_H
2#define _QIC117_H
3
4/*
5 *      Copyright (C) 1993-1996 Bas Laarhoven,
6 *                (C) 1997      Claus-Justus Heine.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
11 any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; see the file COPYING.  If not, write to
20 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21
22 *
23 * $Source: /homes/cvs/ftape-stacked/include/linux/qic117.h,v $
24 * $Revision: 1.2 $
25 * $Date: 1997/10/05 19:19:32 $
26 *
27 *      This file contains QIC-117 spec. related definitions for the
28 *      QIC-40/80/3010/3020 floppy-tape driver "ftape" for Linux.
29 *
30 *      These data were taken from the Quarter-Inch Cartridge
31 *      Drive Standards, Inc. document titled:
32 *      `Common Command Set Interface Specification for Flexible
33 *       Disk Controller Based Minicartridge Tape Drives'
34 *       document QIC-117 Revision J, 28 Aug 96.
35 *      For more information, contact:
36 *       Quarter-Inch Cartridge Drive Standards, Inc.
37 *       311 East Carrillo Street
38 *       Santa Barbara, California 93101
39 *       Telephone (805) 963-3853
40 *       Fax       (805) 962-1541
41 *       WWW       http://www.qic.org
42 *
43 *      Current QIC standard revisions (of interest) are:
44 *       QIC-40-MC,   Rev. M,  2 Sep 92.
45 *       QIC-80-MC,   Rev. N, 20 Mar 96.
46 *       QIC-80-MC,   Rev. K, 15 Dec 94.
47 *       QIC-113,     Rev. G, 15 Jun 95.
48 *       QIC-117,     Rev. J, 28 Aug 96.
49 *       QIC-122,     Rev. B,  6 Mar 91.
50 *       QIC-130,     Rev. C,  2 Sep 92.
51 *       QIC-3010-MC, Rev. F, 14 Jun 95.
52 *       QIC-3020-MC, Rev. G, 31 Aug 95.
53 *       QIC-CRF3,    Rev. B, 15 Jun 95.
54 * */
55
56/*
57 *      QIC-117 common command set rev. J.
58 *      These commands are sent to the tape unit
59 *      as number of pulses over the step line.
60 */
61
62typedef enum {
63	QIC_NO_COMMAND                  = 0,
64	QIC_RESET 			= 1,
65	QIC_REPORT_NEXT_BIT		= 2,
66	QIC_PAUSE 			= 3,
67	QIC_MICRO_STEP_PAUSE		= 4,
68	QIC_ALTERNATE_TIMEOUT		= 5,
69	QIC_REPORT_DRIVE_STATUS		= 6,
70	QIC_REPORT_ERROR_CODE		= 7,
71	QIC_REPORT_DRIVE_CONFIGURATION	= 8,
72	QIC_REPORT_ROM_VERSION		= 9,
73	QIC_LOGICAL_FORWARD		= 10,
74	QIC_PHYSICAL_REVERSE		= 11,
75	QIC_PHYSICAL_FORWARD		= 12,
76	QIC_SEEK_HEAD_TO_TRACK		= 13,
77	QIC_SEEK_LOAD_POINT		= 14,
78	QIC_ENTER_FORMAT_MODE		= 15,
79	QIC_WRITE_REFERENCE_BURST	= 16,
80	QIC_ENTER_VERIFY_MODE		= 17,
81	QIC_STOP_TAPE			= 18,
82/* commands 19-20: reserved */
83	QIC_MICRO_STEP_HEAD_UP		= 21,
84	QIC_MICRO_STEP_HEAD_DOWN	= 22,
85	QIC_SOFT_SELECT			= 23,
86	QIC_SOFT_DESELECT		= 24,
87	QIC_SKIP_REVERSE		= 25,
88	QIC_SKIP_FORWARD		= 26,
89	QIC_SELECT_RATE			= 27,
90/* command 27, in ccs2: Select Rate or Format */
91	QIC_ENTER_DIAGNOSTIC_1		= 28,
92	QIC_ENTER_DIAGNOSTIC_2		= 29,
93	QIC_ENTER_PRIMARY_MODE		= 30,
94/* command 31: vendor unique */
95	QIC_REPORT_VENDOR_ID		= 32,
96	QIC_REPORT_TAPE_STATUS		= 33,
97	QIC_SKIP_EXTENDED_REVERSE	= 34,
98	QIC_SKIP_EXTENDED_FORWARD	= 35,
99	QIC_CALIBRATE_TAPE_LENGTH	= 36,
100	QIC_REPORT_FORMAT_SEGMENTS	= 37,
101	QIC_SET_FORMAT_SEGMENTS		= 38,
102/* commands 39-45: reserved */
103	QIC_PHANTOM_SELECT		= 46,
104	QIC_PHANTOM_DESELECT		= 47
105} qic117_cmd_t;
106
107typedef enum {
108	discretional = 0, required, ccs1, ccs2
109} qic_compatibility;
110
111typedef enum {
112	unused, mode, motion, report
113} command_types;
114
115struct qic117_command_table {
116	char *name;
117	__u8 mask;
118	__u8 state;
119	__u8 cmd_type;
120	__u8 non_intr;
121	__u8 level;
122};
123
124#define QIC117_COMMANDS {\
125/* command                           mask  state cmd_type           */\
126/* |    name                         |     |     |       non_intr   */\
127/* |    |                            |     |     |       |  level   */\
128/* 0*/ {NULL,                        0x00, 0x00, mode,   0, discretional},\
129/* 1*/ {"soft reset",                0x00, 0x00, motion, 1, required},\
130/* 2*/ {"report next bit",           0x00, 0x00, report, 0, required},\
131/* 3*/ {"pause",                     0x36, 0x24, motion, 1, required},\
132/* 4*/ {"micro step pause",          0x36, 0x24, motion, 1, required},\
133/* 5*/ {"alternate command timeout", 0x00, 0x00, mode,   0, required},\
134/* 6*/ {"report drive status",       0x00, 0x00, report, 0, required},\
135/* 7*/ {"report error code",         0x01, 0x01, report, 0, required},\
136/* 8*/ {"report drive configuration",0x00, 0x00, report, 0, required},\
137/* 9*/ {"report rom version",        0x00, 0x00, report, 0, required},\
138/*10*/ {"logical forward",           0x37, 0x25, motion, 0, required},\
139/*11*/ {"physical reverse",          0x17, 0x05, motion, 0, required},\
140/*12*/ {"physical forward",          0x17, 0x05, motion, 0, required},\
141/*13*/ {"seek head to track",        0x37, 0x25, motion, 0, required},\
142/*14*/ {"seek load point",           0x17, 0x05, motion, 1, required},\
143/*15*/ {"enter format mode",         0x1f, 0x05, mode,   0, required},\
144/*16*/ {"write reference burst",     0x1f, 0x05, motion, 1, required},\
145/*17*/ {"enter verify mode",         0x37, 0x25, mode,   0, required},\
146/*18*/ {"stop tape",                 0x00, 0x00, motion, 1, required},\
147/*19*/ {"reserved (19)",             0x00, 0x00, unused, 0, discretional},\
148/*20*/ {"reserved (20)",             0x00, 0x00, unused, 0, discretional},\
149/*21*/ {"micro step head up",        0x02, 0x00, motion, 0, required},\
150/*22*/ {"micro step head down",      0x02, 0x00, motion, 0, required},\
151/*23*/ {"soft select",               0x00, 0x00, mode,   0, discretional},\
152/*24*/ {"soft deselect",             0x00, 0x00, mode,   0, discretional},\
153/*25*/ {"skip segments reverse",     0x36, 0x24, motion, 1, required},\
154/*26*/ {"skip segments forward",     0x36, 0x24, motion, 1, required},\
155/*27*/ {"select rate or format",     0x03, 0x01, mode,   0, required /* [ccs2] */},\
156/*28*/ {"enter diag mode 1",         0x00, 0x00, mode,   0, discretional},\
157/*29*/ {"enter diag mode 2",         0x00, 0x00, mode,   0, discretional},\
158/*30*/ {"enter primary mode",        0x00, 0x00, mode,   0, required},\
159/*31*/ {"vendor unique (31)",        0x00, 0x00, unused, 0, discretional},\
160/*32*/ {"report vendor id",          0x00, 0x00, report, 0, required},\
161/*33*/ {"report tape status",        0x04, 0x04, report, 0, ccs1},\
162/*34*/ {"skip extended reverse",     0x36, 0x24, motion, 1, ccs1},\
163/*35*/ {"skip extended forward",     0x36, 0x24, motion, 1, ccs1},\
164/*36*/ {"calibrate tape length",     0x17, 0x05, motion, 1, ccs2},\
165/*37*/ {"report format segments",    0x17, 0x05, report, 0, ccs2},\
166/*38*/ {"set format segments",       0x17, 0x05, mode,   0, ccs2},\
167/*39*/ {"reserved (39)",             0x00, 0x00, unused, 0, discretional},\
168/*40*/ {"vendor unique (40)",        0x00, 0x00, unused, 0, discretional},\
169/*41*/ {"vendor unique (41)",        0x00, 0x00, unused, 0, discretional},\
170/*42*/ {"vendor unique (42)",        0x00, 0x00, unused, 0, discretional},\
171/*43*/ {"vendor unique (43)",        0x00, 0x00, unused, 0, discretional},\
172/*44*/ {"vendor unique (44)",        0x00, 0x00, unused, 0, discretional},\
173/*45*/ {"vendor unique (45)",        0x00, 0x00, unused, 0, discretional},\
174/*46*/ {"phantom select",            0x00, 0x00, mode,   0, discretional},\
175/*47*/ {"phantom deselect",          0x00, 0x00, mode,   0, discretional},\
176}
177
178/*
179 *      Status bits returned by QIC_REPORT_DRIVE_STATUS
180 */
181
182#define QIC_STATUS_READY	0x01	/* Drive is ready or idle. */
183#define QIC_STATUS_ERROR	0x02	/* Error detected, must read
184					   error code to clear this */
185#define QIC_STATUS_CARTRIDGE_PRESENT 0x04	/* Tape is present */
186#define QIC_STATUS_WRITE_PROTECT 0x08	/* Tape is write protected */
187#define QIC_STATUS_NEW_CARTRIDGE 0x10	/* New cartridge inserted, must
188					   read error status to clear. */
189#define QIC_STATUS_REFERENCED	0x20	/* Cartridge appears to have been
190					   formatted. */
191#define QIC_STATUS_AT_BOT	0x40	/* Cartridge is at physical
192					   beginning of tape. */
193#define QIC_STATUS_AT_EOT	0x80	/* Cartridge is at physical end
194					   of tape. */
195/*
196 *      Status bits returned by QIC_REPORT_DRIVE_CONFIGURATION
197 */
198
199#define QIC_CONFIG_RATE_MASK	0x18
200#define QIC_CONFIG_RATE_SHIFT	3
201#define QIC_CONFIG_RATE_250	0
202#define QIC_CONFIG_RATE_500	2
203#define QIC_CONFIG_RATE_1000	3
204#define QIC_CONFIG_RATE_2000	1
205#define QIC_CONFIG_RATE_4000    0       /* since QIC-117 Rev. J */
206
207#define QIC_CONFIG_LONG		0x40	/* Extra Length Tape Detected */
208#define QIC_CONFIG_80		0x80	/* QIC-80 detected. */
209
210/*
211 *      Status bits returned by QIC_REPORT_TAPE_STATUS
212 */
213
214#define QIC_TAPE_STD_MASK       0x0f
215#define QIC_TAPE_QIC40  	0x01
216#define QIC_TAPE_QIC80  	0x02
217#define QIC_TAPE_QIC3020  	0x03
218#define QIC_TAPE_QIC3010  	0x04
219
220#define QIC_TAPE_LEN_MASK	0x70
221#define QIC_TAPE_205FT		0x10
222#define QIC_TAPE_307FT		0x20
223#define QIC_TAPE_VARIABLE	0x30
224#define QIC_TAPE_1100FT		0x40
225#define QIC_TAPE_FLEX		0x60
226
227#define QIC_TAPE_WIDE		0x80
228
229/* Define a value (in feet) slightly higher than
230 * the possible maximum tape length.
231 */
232#define QIC_TOP_TAPE_LEN	1500
233
234/*
235 *      Errors: List of error codes, and their severity.
236 */
237
238typedef struct {
239	char *message;		/* Text describing the error. */
240	unsigned int fatal:1;	/* Non-zero if the error is fatal. */
241} ftape_error;
242
243#define QIC117_ERRORS {\
244  /* 0*/ { "No error", 0, },\
245  /* 1*/ { "Command Received while Drive Not Ready", 0, },\
246  /* 2*/ { "Cartridge Not Present or Removed", 1, },\
247  /* 3*/ { "Motor Speed Error (not within 1%)", 1, },\
248  /* 4*/ { "Motor Speed Fault (jammed, or gross speed error", 1, },\
249  /* 5*/ { "Cartridge Write Protected", 1, },\
250  /* 6*/ { "Undefined or Reserved Command Code", 1, },\
251  /* 7*/ { "Illegal Track Address Specified for Seek", 1, },\
252  /* 8*/ { "Illegal Command in Report Subcontext", 0, },\
253  /* 9*/ { "Illegal Entry into a Diagnostic Mode", 1, },\
254  /*10*/ { "Broken Tape Detected (based on hole sensor)", 1, },\
255  /*11*/ { "Warning--Read Gain Setting Error", 1, },\
256  /*12*/ { "Command Received While Error Status Pending (obs)", 1, },\
257  /*13*/ { "Command Received While New Cartridge Pending", 1, },\
258  /*14*/ { "Command Illegal or Undefined in Primary Mode", 1, },\
259  /*15*/ { "Command Illegal or Undefined in Format Mode", 1, },\
260  /*16*/ { "Command Illegal or Undefined in Verify Mode", 1, },\
261  /*17*/ { "Logical Forward Not at Logical BOT or no Format Segments in Format Mode", 1, },\
262  /*18*/ { "Logical EOT Before All Segments generated", 1, },\
263  /*19*/ { "Command Illegal When Cartridge Not Referenced", 1, },\
264  /*20*/ { "Self-Diagnostic Failed (cannot be cleared)", 1, },\
265  /*21*/ { "Warning EEPROM Not Initialized, Defaults Set", 1, },\
266  /*22*/ { "EEPROM Corrupted or Hardware Failure", 1, },\
267  /*23*/ { "Motion Time-out Error", 1, },\
268  /*24*/ { "Data Segment Too Long -- Logical Forward or Pause", 1, },\
269  /*25*/ { "Transmit Overrun (obs)", 1, },\
270  /*26*/ { "Power On Reset Occurred", 0, },\
271  /*27*/ { "Software Reset Occurred", 0, },\
272  /*28*/ { "Diagnostic Mode 1 Error", 1, },\
273  /*29*/ { "Diagnostic Mode 2 Error", 1, },\
274  /*30*/ { "Command Received During Non-Interruptible Process", 1, },\
275  /*31*/ { "Rate or Format Selection Error", 1, },\
276  /*32*/ { "Illegal Command While in High Speed Mode", 1, },\
277  /*33*/ { "Illegal Seek Segment Value", 1, },\
278  /*34*/ { "Invalid Media", 1, },\
279  /*35*/ { "Head Positioning Failure", 1, },\
280  /*36*/ { "Write Reference Burst Failure", 1, },\
281  /*37*/ { "Prom Code Missing", 1, },\
282  /*38*/ { "Invalid Format", 1, },\
283  /*39*/ { "EOT/BOT System Failure", 1, },\
284  /*40*/ { "Prom A Checksum Error", 1, },\
285  /*41*/ { "Drive Wakeup Reset Occurred", 1, },\
286  /*42*/ { "Prom B Checksum Error", 1, },\
287  /*43*/ { "Illegal Entry into Format Mode", 1, },\
288}
289
290#endif				/* _QIC117_H */
291