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 
62 typedef 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 
107 typedef enum {
108 	discretional = 0, required, ccs1, ccs2
109 } qic_compatibility;
110 
111 typedef enum {
112 	unused, mode, motion, report
113 } command_types;
114 
115 struct 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 
238 typedef 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