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Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux.git] / drivers / scsi / fdomain.c
CommitLineData
1da177e4
LT		 1/* fdomain.c -- Future Domain TMC-16x0 SCSI driver
2 * Created: Sun May 3 18:53:19 1992 by [email protected]
3 * Revised: Mon Dec 28 21:59:02 1998 by [email protected]
4 * Author: Rickard E. Faith, [email protected]
5 * Copyright 1992-1996, 1998 Rickard E. Faith ([email protected])
fa195afe 6 * Shared IRQ supported added 7/7/2001 Alan Cox <[email protected]>
1da177e4
LT		 7
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2, or (at your option) any
11 * later version.
12
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 675 Mass Ave, Cambridge, MA 02139, USA.
21
22 **************************************************************************
23
24 SUMMARY:
25
26 Future Domain BIOS versions supported for autodetect:
27 2.0, 3.0, 3.2, 3.4 (1.0), 3.5 (2.0), 3.6, 3.61
28 Chips are supported:
29 TMC-1800, TMC-18C50, TMC-18C30, TMC-36C70
30 Boards supported:
31 Future Domain TMC-1650, TMC-1660, TMC-1670, TMC-1680, TMC-1610M/MER/MEX
32 Future Domain TMC-3260 (PCI)
33 Quantum ISA-200S, ISA-250MG
34 Adaptec AHA-2920A (PCI) [BUT *NOT* AHA-2920C -- use aic7xxx instead]
35 IBM ?
36 LILO/INSMOD command-line options:
37 fdomain=<PORT_BASE>,<IRQ>[,<ADAPTER_ID>]
38
39
40
41 NOTE:
42
43 The Adaptec AHA-2920C has an Adaptec AIC-7850 chip on it.
44 Use the aic7xxx driver for this board.
45
46 The Adaptec AHA-2920A has a Future Domain chip on it, so this is the right
47 driver for that card. Unfortunately, the boxes will probably just say
48 "2920", so you'll have to look on the card for a Future Domain logo, or a
49 letter after the 2920.
50
51
52
53 THANKS:
54
55 Thanks to Adaptec for providing PCI boards for testing. This finally
56 enabled me to test the PCI detection and correct it for PCI boards that do
57 not have a BIOS at a standard ISA location. For PCI boards, LILO/INSMOD
58 command-line options should no longer be needed. --RF 18Nov98
59
60
61
62 DESCRIPTION:
63
64 This is the Linux low-level SCSI driver for Future Domain TMC-1660/1680
65 TMC-1650/1670, and TMC-3260 SCSI host adapters. The 1650 and 1670 have a
66 25-pin external connector, whereas the 1660 and 1680 have a SCSI-2 50-pin
67 high-density external connector. The 1670 and 1680 have floppy disk
68 controllers built in. The TMC-3260 is a PCI bus card.
69
70 Future Domain's older boards are based on the TMC-1800 chip, and this
71 driver was originally written for a TMC-1680 board with the TMC-1800 chip.
72 More recently, boards are being produced with the TMC-18C50 and TMC-18C30
73 chips. The latest and greatest board may not work with this driver. If
74 you have to patch this driver so that it will recognize your board's BIOS
75 signature, then the driver may fail to function after the board is
76 detected.
77
78 Please note that the drive ordering that Future Domain implemented in BIOS
79 versions 3.4 and 3.5 is the opposite of the order (currently) used by the
80 rest of the SCSI industry. If you have BIOS version 3.4 or 3.5, and have
81 more than one drive, then the drive ordering will be the reverse of that
82 which you see under DOS. For example, under DOS SCSI ID 0 will be D: and
83 SCSI ID 1 will be C: (the boot device). Under Linux, SCSI ID 0 will be
84 /dev/sda and SCSI ID 1 will be /dev/sdb. The Linux ordering is consistent
85 with that provided by all the other SCSI drivers for Linux. If you want
86 this changed, you will probably have to patch the higher level SCSI code.
87 If you do so, please send me patches that are protected by #ifdefs.
88
89 If you have a TMC-8xx or TMC-9xx board, then this is not the driver for
90 your board. Please refer to the Seagate driver for more information and
91 possible support.
92
93
94
95 HISTORY:
96
97 Linux Driver Driver
98 Version Version Date Support/Notes
99
100 0.0 3 May 1992 V2.0 BIOS; 1800 chip
101 0.97 1.9 28 Jul 1992
102 0.98.6 3.1 27 Nov 1992
103 0.99 3.2 9 Dec 1992
104
105 0.99.3 3.3 10 Jan 1993 V3.0 BIOS
106 0.99.5 3.5 18 Feb 1993
107 0.99.10 3.6 15 May 1993 V3.2 BIOS; 18C50 chip
108 0.99.11 3.17 3 Jul 1993 (now under RCS)
109 0.99.12 3.18 13 Aug 1993
110 0.99.14 5.6 31 Oct 1993 (reselection code removed)
111
112 0.99.15 5.9 23 Jan 1994 V3.4 BIOS (preliminary)
113 1.0.8/1.1.1 5.15 1 Apr 1994 V3.4 BIOS; 18C30 chip (preliminary)
114 1.0.9/1.1.3 5.16 7 Apr 1994 V3.4 BIOS; 18C30 chip
115 1.1.38 5.18 30 Jul 1994 36C70 chip (PCI version of 18C30)
116 1.1.62 5.20 2 Nov 1994 V3.5 BIOS
117 1.1.73 5.22 7 Dec 1994 Quantum ISA-200S board; V2.0 BIOS
118
119 1.1.82 5.26 14 Jan 1995 V3.5 BIOS; TMC-1610M/MER/MEX board
120 1.2.10 5.28 5 Jun 1995 Quantum ISA-250MG board; V2.0, V2.01 BIOS
121 1.3.4 5.31 23 Jun 1995 PCI BIOS-32 detection (preliminary)
122 1.3.7 5.33 4 Jul 1995 PCI BIOS-32 detection
123 1.3.28 5.36 17 Sep 1995 V3.61 BIOS; LILO command-line support
124 1.3.34 5.39 12 Oct 1995 V3.60 BIOS; /proc
125 1.3.72 5.39 8 Feb 1996 Adaptec AHA-2920 board
126 1.3.85 5.41 4 Apr 1996
127 2.0.12 5.44 8 Aug 1996 Use ID 7 for all PCI cards
128 2.1.1 5.45 2 Oct 1996 Update ROM accesses for 2.1.x
129 2.1.97 5.46 23 Apr 1998 Rewritten PCI detection routines [mj]
130 2.1.11x 5.47 9 Aug 1998 Touched for 8 SCSI disk majors support
131 5.48 18 Nov 1998 BIOS no longer needed for PCI detection
132 2.2.0 5.50 28 Dec 1998 Support insmod parameters
133
134
135 REFERENCES USED:
136
137 "TMC-1800 SCSI Chip Specification (FDC-1800T)", Future Domain Corporation,
138 1990.
139
140 "Technical Reference Manual: 18C50 SCSI Host Adapter Chip", Future Domain
141 Corporation, January 1992.
142
143 "LXT SCSI Products: Specifications and OEM Technical Manual (Revision
144 B/September 1991)", Maxtor Corporation, 1991.
145
146 "7213S product Manual (Revision P3)", Maxtor Corporation, 1992.
147
148 "Draft Proposed American National Standard: Small Computer System
149 Interface - 2 (SCSI-2)", Global Engineering Documents. (X3T9.2/86-109,
150 revision 10h, October 17, 1991)
151
152 Private communications, Drew Eckhardt ([email protected]) and Eric
153 Youngdale ([email protected]), 1992.
154
155 Private communication, Tuong Le (Future Domain Engineering department),
156 1994. (Disk geometry computations for Future Domain BIOS version 3.4, and
157 TMC-18C30 detection.)
158
159 Hogan, Thom. The Programmer's PC Sourcebook. Microsoft Press, 1988. Page
160 60 (2.39: Disk Partition Table Layout).
161
162 "18C30 Technical Reference Manual", Future Domain Corporation, 1993, page
163 6-1.
164
165
166
167 NOTES ON REFERENCES:
168
169 The Maxtor manuals were free. Maxtor telephone technical support is
170 great!
171
172 The Future Domain manuals were $25 and $35. They document the chip, not
173 the TMC-16x0 boards, so some information I had to guess at. In 1992,
174 Future Domain sold DOS BIOS source for $250 and the UN*X driver source was
175 $750, but these required a non-disclosure agreement, so even if I could
176 have afforded them, they would *not* have been useful for writing this
25985edc 177 publicly distributable driver. Future Domain technical support has
1da177e4
LT		 178 provided some information on the phone and have sent a few useful FAXs.
179 They have been much more helpful since they started to recognize that the
180 word "Linux" refers to an operating system :-).
181
182
183
184 ALPHA TESTERS:
185
186 There are many other alpha testers that come and go as the driver
187 develops. The people listed here were most helpful in times of greatest
188 need (mostly early on -- I've probably left out a few worthy people in
189 more recent times):
190
191 Todd Carrico ([email protected]), Dan Poirier ([email protected] ), Ken
192 Corey ([email protected]), C. de Bruin (bruin@[email protected]), Sakari
193 Aaltonen ([email protected]), John Rice ([email protected]), Brad
194 Yearwood ([email protected]), and Ray Toy ([email protected]).
195
196 Special thanks to Tien-Wan Yang ([email protected]), who graciously lent me
197 his 18C50-based card for debugging. He is the sole reason that this
198 driver works with the 18C50 chip.
199
200 Thanks to Dave Newman ([email protected]) for providing initial patches for
201 the version 3.4 BIOS.
202
203 Thanks to James T. McKinley ([email protected]) for providing
204 patches that support the TMC-3260, a PCI bus card with the 36C70 chip.
205 The 36C70 chip appears to be "completely compatible" with the 18C30 chip.
206
207 Thanks to Eric Kasten ([email protected]) for providing the
208 patch for the version 3.5 BIOS.
209
210 Thanks for Stephen Henson ([email protected]) for providing the
211 patch for the Quantum ISA-200S SCSI adapter.
212
213 Thanks to Adam Bowen for the signature to the 1610M/MER/MEX scsi cards, to
214 Martin Andrews ([email protected]) for the signature to some
215 random TMC-1680 repackaged by IBM; and to Mintak Ng ([email protected]) for
216 the version 3.61 BIOS signature.
217
218 Thanks for Mark Singer ([email protected]) and Richard Simpson
219 ([email protected]) for more Quantum signatures and detective
220 work on the Quantum RAM layout.
221
222 Special thanks to James T. McKinley ([email protected]) for
223 providing patches for proper PCI BIOS32-mediated detection of the TMC-3260
224 card (a PCI bus card with the 36C70 chip). Please send James PCI-related
225 bug reports.
226
227 Thanks to Tom Cavin ([email protected]) for preliminary command-line option
228 patches.
229
230 New PCI detection code written by Martin Mares <[email protected]>
231
232 Insmod parameter code based on patches from Daniel Graham
233 <[email protected]>.
234
235 All of the alpha testers deserve much thanks.
236
237
238
239 NOTES ON USER DEFINABLE OPTIONS:
240
241 DEBUG: This turns on the printing of various debug information.
242
243 ENABLE_PARITY: This turns on SCSI parity checking. With the current
244 driver, all attached devices must support SCSI parity. If none of your
245 devices support parity, then you can probably get the driver to work by
246 turning this option off. I have no way of testing this, however, and it
247 would appear that no one ever uses this option.
248
249 FIFO_COUNT: The host adapter has an 8K cache (host adapters based on the
250 18C30 chip have a 2k cache). When this many 512 byte blocks are filled by
251 the SCSI device, an interrupt will be raised. Therefore, this could be as
252 low as 0, or as high as 16. Note, however, that values which are too high
253 or too low seem to prevent any interrupts from occurring, and thereby lock
254 up the machine. I have found that 2 is a good number, but throughput may
255 be increased by changing this value to values which are close to 2.
256 Please let me know if you try any different values.
257
258 RESELECTION: This is no longer an option, since I gave up trying to
259 implement it in version 4.x of this driver. It did not improve
260 performance at all and made the driver unstable (because I never found one
261 of the two race conditions which were introduced by the multiple
262 outstanding command code). The instability seems a very high price to pay
263 just so that you don't have to wait for the tape to rewind. If you want
264 this feature implemented, send me patches. I'll be happy to send a copy
265 of my (broken) driver to anyone who would like to see a copy.
266
267 **************************************************************************/
268
1da177e4
LT		 269#include <linux/module.h>
270#include <linux/init.h>
271#include <linux/interrupt.h>
272#include <linux/blkdev.h>
273#include <linux/spinlock.h>
274#include <linux/errno.h>
275#include <linux/string.h>
276#include <linux/ioport.h>
277#include <linux/proc_fs.h>
278#include <linux/pci.h>
279#include <linux/stat.h>
280#include <linux/delay.h>
53d5ed62 281#include <linux/io.h>
5a0e3ad6 282#include <linux/slab.h>
1da177e4
LT		 283#include <scsi/scsicam.h>
284
1da177e4
LT		 285
286#include <scsi/scsi.h>
287#include <scsi/scsi_cmnd.h>
288#include <scsi/scsi_device.h>
289#include <scsi/scsi_host.h>
290#include <scsi/scsi_ioctl.h>
291#include "fdomain.h"
292
5cb02ff3 293#ifndef PCMCIA
1da177e4
LT		 294MODULE_AUTHOR("Rickard E. Faith");
295MODULE_DESCRIPTION("Future domain SCSI driver");
296MODULE_LICENSE("GPL");
5cb02ff3 297#endif
1da177e4
LT		 298
299
300#define VERSION "$Revision: 5.51 $"
301
302/* START OF USER DEFINABLE OPTIONS */
303
304#define DEBUG 0 /* Enable debugging output */
305#define ENABLE_PARITY 1 /* Enable SCSI Parity */
306#define FIFO_COUNT 2 /* Number of 512 byte blocks before INTR */
307
308/* END OF USER DEFINABLE OPTIONS */
309
310#if DEBUG
311#define EVERY_ACCESS 0 /* Write a line on every scsi access */
312#define ERRORS_ONLY 1 /* Only write a line if there is an error */
313#define DEBUG_DETECT 0 /* Debug fdomain_16x0_detect() */
314#define DEBUG_MESSAGES 1 /* Debug MESSAGE IN phase */
315#define DEBUG_ABORT 1 /* Debug abort() routine */
316#define DEBUG_RESET 1 /* Debug reset() routine */
317#define DEBUG_RACE 1 /* Debug interrupt-driven race condition */
318#else
319#define EVERY_ACCESS 0 /* LEAVE THESE ALONE--CHANGE THE ONES ABOVE */
320#define ERRORS_ONLY 0
321#define DEBUG_DETECT 0
322#define DEBUG_MESSAGES 0
323#define DEBUG_ABORT 0
324#define DEBUG_RESET 0
325#define DEBUG_RACE 0
326#endif
327
328/* Errors are reported on the line, so we don't need to report them again */
329#if EVERY_ACCESS
330#undef ERRORS_ONLY
331#define ERRORS_ONLY 0
332#endif
333
334#if ENABLE_PARITY
335#define PARITY_MASK 0x08
336#else
337#define PARITY_MASK 0x00
338#endif
339
340enum chip_type {
341 unknown = 0x00,
342 tmc1800 = 0x01,
343 tmc18c50 = 0x02,
344 tmc18c30 = 0x03,
345};
346
347enum {
348 in_arbitration = 0x02,
349 in_selection = 0x04,
350 in_other = 0x08,
351 disconnect = 0x10,
352 aborted = 0x20,
353 sent_ident = 0x40,
354};
355
356enum in_port_type {
357 Read_SCSI_Data = 0,
358 SCSI_Status = 1,
359 TMC_Status = 2,
360 FIFO_Status = 3, /* tmc18c50/tmc18c30 only */
361 Interrupt_Cond = 4, /* tmc18c50/tmc18c30 only */
362 LSB_ID_Code = 5,
363 MSB_ID_Code = 6,
364 Read_Loopback = 7,
365 SCSI_Data_NoACK = 8,
366 Interrupt_Status = 9,
367 Configuration1 = 10,
368 Configuration2 = 11, /* tmc18c50/tmc18c30 only */
369 Read_FIFO = 12,
370 FIFO_Data_Count = 14
371};
372
373enum out_port_type {
374 Write_SCSI_Data = 0,
375 SCSI_Cntl = 1,
376 Interrupt_Cntl = 2,
377 SCSI_Mode_Cntl = 3,
378 TMC_Cntl = 4,
379 Memory_Cntl = 5, /* tmc18c50/tmc18c30 only */
380 Write_Loopback = 7,
381 IO_Control = 11, /* tmc18c30 only */
382 Write_FIFO = 12
383};
384
385/* .bss will zero all the static variables below */
386static int port_base;
387static unsigned long bios_base;
388static void __iomem * bios_mem;
389static int bios_major;
390static int bios_minor;
391static int PCI_bus;
2ca48230 392#ifdef CONFIG_PCI
47bcd354 393static struct pci_dev *PCI_dev;
2ca48230 394#endif
1da177e4
LT		 395static int Quantum; /* Quantum board variant */
396static int interrupt_level;
397static volatile int in_command;
398static struct scsi_cmnd *current_SC;
399static enum chip_type chip = unknown;
400static int adapter_mask;
401static int this_id;
402static int setup_called;
403
404#if DEBUG_RACE
405static volatile int in_interrupt_flag;
406#endif
407
408static int FIFO_Size = 0x2000; /* 8k FIFO for
409 pre-tmc18c30 chips */
410
7d12e780 411static irqreturn_t do_fdomain_16x0_intr( int irq, void *dev_id );
1da177e4
LT		 412/* Allow insmod parameters to be like LILO parameters. For example:
413 insmod fdomain fdomain=0x140,11 */
414static char * fdomain = NULL;
415module_param(fdomain, charp, 0);
416
6cad75a6
JG		 417#ifndef PCMCIA
418
1da177e4
LT		 419static unsigned long addresses[] = {
420 0xc8000,
421 0xca000,
422 0xce000,
423 0xde000,
424 0xcc000, /* Extra addresses for PCI boards */
425 0xd0000,
426 0xe0000,
427};
6391a113
TK		 428#define ADDRESS_COUNT ARRAY_SIZE(addresses)
429
1da177e4 430static unsigned short ports[] = { 0x140, 0x150, 0x160, 0x170 };
6391a113 431#define PORT_COUNT ARRAY_SIZE(ports)
1da177e4
LT		 432
433static unsigned short ints[] = { 3, 5, 10, 11, 12, 14, 15, 0 };
434
6cad75a6
JG		 435#endif /* !PCMCIA */
436
1da177e4
LT		 437/*
438
439 READ THIS BEFORE YOU ADD A SIGNATURE!
440
441 READING THIS SHORT NOTE CAN SAVE YOU LOTS OF TIME!
442
443 READ EVERY WORD, ESPECIALLY THE WORD *NOT*
444
445 This driver works *ONLY* for Future Domain cards using the TMC-1800,
446 TMC-18C50, or TMC-18C30 chip. This includes models TMC-1650, 1660, 1670,
447 and 1680. These are all 16-bit cards.
448
449 The following BIOS signature signatures are for boards which do *NOT*
450 work with this driver (these TMC-8xx and TMC-9xx boards may work with the
451 Seagate driver):
452
453 FUTURE DOMAIN CORP. (C) 1986-1988 V4.0I 03/16/88
454 FUTURE DOMAIN CORP. (C) 1986-1989 V5.0C2/14/89
455 FUTURE DOMAIN CORP. (C) 1986-1989 V6.0A7/28/89
456 FUTURE DOMAIN CORP. (C) 1986-1990 V6.0105/31/90
457 FUTURE DOMAIN CORP. (C) 1986-1990 V6.0209/18/90
458 FUTURE DOMAIN CORP. (C) 1986-1990 V7.009/18/90
459 FUTURE DOMAIN CORP. (C) 1992 V8.00.004/02/92
460
461 (The cards which do *NOT* work are all 8-bit cards -- although some of
462 them have a 16-bit form-factor, the upper 8-bits are used only for IRQs
463 and are *NOT* used for data. You can tell the difference by following
464 the tracings on the circuit board -- if only the IRQ lines are involved,
465 you have a "8-bit" card, and should *NOT* use this driver.)
466
467*/
468
6cad75a6
JG		 469#ifndef PCMCIA
470
1da177e4
LT		 471static struct signature {
472 const char *signature;
473 int sig_offset;
474 int sig_length;
475 int major_bios_version;
476 int minor_bios_version;
477 int flag; /* 1 == PCI_bus, 2 == ISA_200S, 3 == ISA_250MG, 4 == ISA_200S */
478} signatures[] = {
479 /* 1 2 3 4 5 6 */
480 /* 123456789012345678901234567890123456789012345678901234567890 */
481 { "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V2.07/28/89", 5, 50, 2, 0, 0 },
482 { "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V1.07/28/89", 5, 50, 2, 0, 0 },
483 { "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V2.07/28/89", 72, 50, 2, 0, 2 },
484 { "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V2.0", 73, 43, 2, 0, 3 },
485 { "FUTURE DOMAIN CORP. (C) 1991 1800-V2.0.", 72, 39, 2, 0, 4 },
486 { "FUTURE DOMAIN CORP. (C) 1992 V3.00.004/02/92", 5, 44, 3, 0, 0 },
487 { "FUTURE DOMAIN TMC-18XX (C) 1993 V3.203/12/93", 5, 44, 3, 2, 0 },
488 { "IBM F1 P2 BIOS v1.0104/29/93", 5, 28, 3, -1, 0 },
489 { "Future Domain Corp. V1.0008/18/93", 5, 33, 3, 4, 0 },
490 { "Future Domain Corp. V1.0008/18/93", 26, 33, 3, 4, 1 },
491 { "Adaptec AHA-2920 PCI-SCSI Card", 42, 31, 3, -1, 1 },
492 { "IBM F1 P264/32", 5, 14, 3, -1, 1 },
493 /* This next signature may not be a 3.5 bios */
494 { "Future Domain Corp. V2.0108/18/93", 5, 33, 3, 5, 0 },
495 { "FUTURE DOMAIN CORP. V3.5008/18/93", 5, 34, 3, 5, 0 },
496 { "FUTURE DOMAIN 18c30/18c50/1800 (C) 1994 V3.5", 5, 44, 3, 5, 0 },
497 { "FUTURE DOMAIN CORP. V3.6008/18/93", 5, 34, 3, 6, 0 },
498 { "FUTURE DOMAIN CORP. V3.6108/18/93", 5, 34, 3, 6, 0 },
499 { "FUTURE DOMAIN TMC-18XX", 5, 22, -1, -1, 0 },
500
501 /* READ NOTICE ABOVE *BEFORE* YOU WASTE YOUR TIME ADDING A SIGNATURE
502 Also, fix the disk geometry code for your signature and send your
503 changes for [email protected]. Above all, do *NOT* change any old
504 signatures!
505
506 Note that the last line will match a "generic" 18XX bios. Because
507 Future Domain has changed the host SCSI ID and/or the location of the
508 geometry information in the on-board RAM area for each of the first
509 three BIOS's, it is still important to enter a fully qualified
510 signature in the table for any new BIOS's (after the host SCSI ID and
511 geometry location are verified). */
512};
513
6391a113 514#define SIGNATURE_COUNT ARRAY_SIZE(signatures)
1da177e4 515
6cad75a6
JG		 516#endif /* !PCMCIA */
517
1da177e4
LT		 518static void print_banner( struct Scsi_Host *shpnt )
519{
520 if (!shpnt) return; /* This won't ever happen */
521
522 if (bios_major < 0 && bios_minor < 0) {
523 printk(KERN_INFO "scsi%d: <fdomain> No BIOS; using scsi id %d\n",
524 shpnt->host_no, shpnt->this_id);
525 } else {
526 printk(KERN_INFO "scsi%d: <fdomain> BIOS version ", shpnt->host_no);
527
528 if (bios_major >= 0) printk("%d.", bios_major);
529 else printk("?.");
530
531 if (bios_minor >= 0) printk("%d", bios_minor);
532 else printk("?.");
6391a113 533
1da177e4
LT		 534 printk( " at 0x%lx using scsi id %d\n",
535 bios_base, shpnt->this_id );
536 }
537
538 /* If this driver works for later FD PCI
539 boards, we will have to modify banner
540 for additional PCI cards, but for now if
541 it's PCI it's a TMC-3260 - JTM */
542 printk(KERN_INFO "scsi%d: <fdomain> %s chip at 0x%x irq ",
543 shpnt->host_no,
544 chip == tmc1800 ? "TMC-1800" : (chip == tmc18c50 ? "TMC-18C50" : (chip == tmc18c30 ? (PCI_bus ? "TMC-36C70 (PCI bus)" : "TMC-18C30") : "Unknown")),
545 port_base);
546
547 if (interrupt_level)
548 printk("%d", interrupt_level);
549 else
550 printk("<none>");
551
552 printk( "\n" );
553}
554
555int fdomain_setup(char *str)
556{
557 int ints[4];
558
559 (void)get_options(str, ARRAY_SIZE(ints), ints);
560
561 if (setup_called++ || ints[0] < 2 || ints[0] > 3) {
562 printk(KERN_INFO "scsi: <fdomain> Usage: fdomain=<PORT_BASE>,<IRQ>[,<ADAPTER_ID>]\n");
563 printk(KERN_ERR "scsi: <fdomain> Bad LILO/INSMOD parameters?\n");
564 return 0;
565 }
566
567 port_base = ints[0] >= 1 ? ints[1] : 0;
568 interrupt_level = ints[0] >= 2 ? ints[2] : 0;
569 this_id = ints[0] >= 3 ? ints[3] : 0;
570
571 bios_major = bios_minor = -1; /* Use geometry for BIOS version >= 3.4 */
572 ++setup_called;
573 return 1;
574}
575
576__setup("fdomain=", fdomain_setup);
577
578
579static void do_pause(unsigned amount) /* Pause for amount*10 milliseconds */
580{
581 mdelay(10*amount);
582}
583
77933d72 584static inline void fdomain_make_bus_idle( void )
1da177e4
LT		 585{
586 outb(0, port_base + SCSI_Cntl);
587 outb(0, port_base + SCSI_Mode_Cntl);
588 if (chip == tmc18c50 || chip == tmc18c30)
589 outb(0x21 | PARITY_MASK, port_base + TMC_Cntl); /* Clear forced intr. */
590 else
591 outb(0x01 | PARITY_MASK, port_base + TMC_Cntl);
592}
593
594static int fdomain_is_valid_port( int port )
595{
596#if DEBUG_DETECT
597 printk( " (%x%x),",
598 inb( port + MSB_ID_Code ), inb( port + LSB_ID_Code ) );
599#endif
600
601 /* The MCA ID is a unique id for each MCA compatible board. We
602 are using ISA boards, but Future Domain provides the MCA ID
603 anyway. We can use this ID to ensure that this is a Future
604 Domain TMC-1660/TMC-1680.
605 */
606
607 if (inb( port + LSB_ID_Code ) != 0xe9) { /* test for 0x6127 id */
608 if (inb( port + LSB_ID_Code ) != 0x27) return 0;
609 if (inb( port + MSB_ID_Code ) != 0x61) return 0;
610 chip = tmc1800;
611 } else { /* test for 0xe960 id */
612 if (inb( port + MSB_ID_Code ) != 0x60) return 0;
613 chip = tmc18c50;
614
615 /* Try to toggle 32-bit mode. This only
616 works on an 18c30 chip. (User reports
617 say this works, so we should switch to
618 it in the near future.) */
619
620 outb( 0x80, port + IO_Control );
621 if ((inb( port + Configuration2 ) & 0x80) == 0x80) {
622 outb( 0x00, port + IO_Control );
623 if ((inb( port + Configuration2 ) & 0x80) == 0x00) {
624 chip = tmc18c30;
625 FIFO_Size = 0x800; /* 2k FIFO */
626 }
627 }
628 /* If that failed, we are an 18c50. */
629 }
630
631 return 1;
632}
633
634static int fdomain_test_loopback( void )
635{
636 int i;
637 int result;
638
639 for (i = 0; i < 255; i++) {
640 outb( i, port_base + Write_Loopback );
641 result = inb( port_base + Read_Loopback );
642 if (i != result)
643 return 1;
644 }
645 return 0;
646}
647
6cad75a6
JG		 648#ifndef PCMCIA
649
1da177e4
LT		 650/* fdomain_get_irq assumes that we have a valid MCA ID for a
651 TMC-1660/TMC-1680 Future Domain board. Now, check to be sure the
652 bios_base matches these ports. If someone was unlucky enough to have
653 purchased more than one Future Domain board, then they will have to
654 modify this code, as we only detect one board here. [The one with the
655 lowest bios_base.]
656
657 Note that this routine is only used for systems without a PCI BIOS32
658 (e.g., ISA bus). For PCI bus systems, this routine will likely fail
659 unless one of the IRQs listed in the ints array is used by the board.
660 Sometimes it is possible to use the computer's BIOS setup screen to
661 configure a PCI system so that one of these IRQs will be used by the
662 Future Domain card. */
663
664static int fdomain_get_irq( int base )
665{
666 int options = inb(base + Configuration1);
667
668#if DEBUG_DETECT
669 printk("scsi: <fdomain> Options = %x\n", options);
670#endif
671
672 /* Check for board with lowest bios_base --
673 this isn't valid for the 18c30 or for
674 boards on the PCI bus, so just assume we
675 have the right board. */
676
677 if (chip != tmc18c30 && !PCI_bus && addresses[(options & 0xc0) >> 6 ] != bios_base)
678 return 0;
679 return ints[(options & 0x0e) >> 1];
680}
681
682static int fdomain_isa_detect( int *irq, int *iobase )
683{
1da177e4
LT		 684 int i, j;
685 int base = 0xdeadbeef;
686 int flag = 0;
687
688#if DEBUG_DETECT
689 printk( "scsi: <fdomain> fdomain_isa_detect:" );
690#endif
691
692 for (i = 0; i < ADDRESS_COUNT; i++) {
693 void __iomem *p = ioremap(addresses[i], 0x2000);
694 if (!p)
695 continue;
696#if DEBUG_DETECT
697 printk( " %lx(%lx),", addresses[i], bios_base );
698#endif
699 for (j = 0; j < SIGNATURE_COUNT; j++) {
700 if (check_signature(p + signatures[j].sig_offset,
701 signatures[j].signature,
702 signatures[j].sig_length )) {
703 bios_major = signatures[j].major_bios_version;
704 bios_minor = signatures[j].minor_bios_version;
705 PCI_bus = (signatures[j].flag == 1);
706 Quantum = (signatures[j].flag > 1) ? signatures[j].flag : 0;
707 bios_base = addresses[i];
708 bios_mem = p;
709 goto found;
710 }
711 }
712 iounmap(p);
713 }
714
715found:
716 if (bios_major == 2) {
717 /* The TMC-1660/TMC-1680 has a RAM area just after the BIOS ROM.
718 Assuming the ROM is enabled (otherwise we wouldn't have been
719 able to read the ROM signature :-), then the ROM sets up the
720 RAM area with some magic numbers, such as a list of port
721 base addresses and a list of the disk "geometry" reported to
722 DOS (this geometry has nothing to do with physical geometry).
723 */
724
725 switch (Quantum) {
726 case 2: /* ISA_200S */
727 case 3: /* ISA_250MG */
728 base = readb(bios_mem + 0x1fa2) + (readb(bios_mem + 0x1fa3) << 8);
729 break;
730 case 4: /* ISA_200S (another one) */
731 base = readb(bios_mem + 0x1fa3) + (readb(bios_mem + 0x1fa4) << 8);
732 break;
733 default:
734 base = readb(bios_mem + 0x1fcc) + (readb(bios_mem + 0x1fcd) << 8);
735 break;
736 }
737
738#if DEBUG_DETECT
739 printk( " %x,", base );
740#endif
741
742 for (i = 0; i < PORT_COUNT; i++) {
743 if (base == ports[i]) {
744 if (!request_region(base, 0x10, "fdomain"))
745 break;
746 if (!fdomain_is_valid_port(base)) {
747 release_region(base, 0x10);
748 break;
749 }
750 *irq = fdomain_get_irq( base );
751 *iobase = base;
752 return 1;
753 }
754 }
755
756 /* This is a bad sign. It usually means that someone patched the
757 BIOS signature list (the signatures variable) to contain a BIOS
758 signature for a board *OTHER THAN* the TMC-1660/TMC-1680. */
759
760#if DEBUG_DETECT
761 printk( " RAM FAILED, " );
762#endif
763 }
764
765 /* Anyway, the alternative to finding the address in the RAM is to just
766 search through every possible port address for one that is attached
767 to the Future Domain card. Don't panic, though, about reading all
768 these random port addresses -- there are rumors that the Future
769 Domain BIOS does something very similar.
770
771 Do not, however, check ports which the kernel knows are being used by
772 another driver. */
773
774 for (i = 0; i < PORT_COUNT; i++) {
775 base = ports[i];
776 if (!request_region(base, 0x10, "fdomain")) {
777#if DEBUG_DETECT
778 printk( " (%x inuse),", base );
779#endif
780 continue;
781 }
782#if DEBUG_DETECT
783 printk( " %x,", base );
784#endif
785 flag = fdomain_is_valid_port(base);
786 if (flag)
787 break;
788 release_region(base, 0x10);
789 }
790
791#if DEBUG_DETECT
792 if (flag) printk( " SUCCESS\n" );
793 else printk( " FAILURE\n" );
794#endif
795
796 if (!flag) return 0; /* iobase not found */
797
798 *irq = fdomain_get_irq( base );
799 *iobase = base;
800
801 return 1; /* success */
1da177e4
LT		 802}
803
6cad75a6
JG		 804#else /* PCMCIA */
805
806static int fdomain_isa_detect( int *irq, int *iobase )
807{
808 if (irq)
809 *irq = 0;
810 if (iobase)
811 *iobase = 0;
812 return 0;
813}
814
815#endif /* !PCMCIA */
816
817
1da177e4
LT		 818/* PCI detection function: int fdomain_pci_bios_detect(int* irq, int*
819 iobase) This function gets the Interrupt Level and I/O base address from
820 the PCI configuration registers. */
821
822#ifdef CONFIG_PCI
823static int fdomain_pci_bios_detect( int *irq, int *iobase, struct pci_dev **ret_pdev )
824{
825 unsigned int pci_irq; /* PCI interrupt line */
826 unsigned long pci_base; /* PCI I/O base address */
827 struct pci_dev *pdev = NULL;
828
829#if DEBUG_DETECT
830 /* Tell how to print a list of the known PCI devices from bios32 and
831 list vendor and device IDs being used if in debug mode. */
832
833 printk( "scsi: <fdomain> INFO: use lspci -v to see list of PCI devices\n" );
834 printk( "scsi: <fdomain> TMC-3260 detect:"
835 " Using Vendor ID: 0x%x and Device ID: 0x%x\n",
836 PCI_VENDOR_ID_FD,
837 PCI_DEVICE_ID_FD_36C70 );
838#endif
839
47bcd354 840 if ((pdev = pci_get_device(PCI_VENDOR_ID_FD, PCI_DEVICE_ID_FD_36C70, pdev)) == NULL)
1da177e4 841 return 0;
47bcd354
AC		 842 if (pci_enable_device(pdev))
843 goto fail;
1da177e4
LT		 844
845#if DEBUG_DETECT
846 printk( "scsi: <fdomain> TMC-3260 detect:"
847 " PCI bus %u, device %u, function %u\n",
848 pdev->bus->number,
849 PCI_SLOT(pdev->devfn),
850 PCI_FUNC(pdev->devfn));
851#endif
852
853 /* We now have the appropriate device function for the FD board so we
854 just read the PCI config info from the registers. */
855
856 pci_base = pci_resource_start(pdev, 0);
857 pci_irq = pdev->irq;
858
859 if (!request_region( pci_base, 0x10, "fdomain" ))
47bcd354 860 goto fail;
1da177e4
LT		 861
862 /* Now we have the I/O base address and interrupt from the PCI
863 configuration registers. */
864
865 *irq = pci_irq;
866 *iobase = pci_base;
867 *ret_pdev = pdev;
868
869#if DEBUG_DETECT
870 printk( "scsi: <fdomain> TMC-3260 detect:"
871 " IRQ = %d, I/O base = 0x%x [0x%lx]\n", *irq, *iobase, pci_base );
872#endif
873
874 if (!fdomain_is_valid_port(pci_base)) {
875 printk(KERN_ERR "scsi: <fdomain> PCI card detected, but driver not loaded (invalid port)\n" );
876 release_region(pci_base, 0x10);
47bcd354 877 goto fail;
1da177e4
LT		 878 }
879
880 /* Fill in a few global variables. Ugh. */
881 bios_major = bios_minor = -1;
882 PCI_bus = 1;
47bcd354 883 PCI_dev = pdev;
1da177e4
LT		 884 Quantum = 0;
885 bios_base = 0;
886
887 return 1;
47bcd354
AC		 888fail:
889 pci_dev_put(pdev);
890 return 0;
1da177e4 891}
47bcd354 892
1da177e4
LT		 893#endif
894
895struct Scsi_Host *__fdomain_16x0_detect(struct scsi_host_template *tpnt )
896{
897 int retcode;
898 struct Scsi_Host *shpnt;
899 struct pci_dev *pdev = NULL;
900
901 if (setup_called) {
902#if DEBUG_DETECT
903 printk( "scsi: <fdomain> No BIOS, using port_base = 0x%x, irq = %d\n",
904 port_base, interrupt_level );
905#endif
906 if (!request_region(port_base, 0x10, "fdomain")) {
907 printk( "scsi: <fdomain> port 0x%x is busy\n", port_base );
908 printk( "scsi: <fdomain> Bad LILO/INSMOD parameters?\n" );
909 return NULL;
910 }
911 if (!fdomain_is_valid_port( port_base )) {
912 printk( "scsi: <fdomain> Cannot locate chip at port base 0x%x\n",
913 port_base );
914 printk( "scsi: <fdomain> Bad LILO/INSMOD parameters?\n" );
915 release_region(port_base, 0x10);
916 return NULL;
917 }
918 } else {
919 int flag = 0;
920
921#ifdef CONFIG_PCI
922 /* Try PCI detection first */
923 flag = fdomain_pci_bios_detect( &interrupt_level, &port_base, &pdev );
924#endif
925 if (!flag) {
926 /* Then try ISA bus detection */
927 flag = fdomain_isa_detect( &interrupt_level, &port_base );
928
929 if (!flag) {
930 printk( "scsi: <fdomain> Detection failed (no card)\n" );
931 return NULL;
932 }
933 }
934 }
935
936 fdomain_16x0_bus_reset(NULL);
937
938 if (fdomain_test_loopback()) {
939 printk(KERN_ERR "scsi: <fdomain> Detection failed (loopback test failed at port base 0x%x)\n", port_base);
940 if (setup_called) {
941 printk(KERN_ERR "scsi: <fdomain> Bad LILO/INSMOD parameters?\n");
942 }
47bcd354 943 goto fail;
1da177e4
LT		 944 }
945
946 if (this_id) {
947 tpnt->this_id = (this_id & 0x07);
948 adapter_mask = (1 << tpnt->this_id);
949 } else {
950 if (PCI_bus || (bios_major == 3 && bios_minor >= 2) || bios_major < 0) {
951 tpnt->this_id = 7;
952 adapter_mask = 0x80;
953 } else {
954 tpnt->this_id = 6;
955 adapter_mask = 0x40;
956 }
957 }
958
959/* Print out a banner here in case we can't
960 get resources. */
961
962 shpnt = scsi_register( tpnt, 0 );
963 if(shpnt == NULL) {
964 release_region(port_base, 0x10);
965 return NULL;
966 }
967 shpnt->irq = interrupt_level;
968 shpnt->io_port = port_base;
1da177e4
LT		 969 shpnt->n_io_port = 0x10;
970 print_banner( shpnt );
971
972 /* Log IRQ with kernel */
973 if (!interrupt_level) {
974 printk(KERN_ERR "scsi: <fdomain> Card Detected, but driver not loaded (no IRQ)\n" );
47bcd354 975 goto fail;
1da177e4
LT		 976 } else {
977 /* Register the IRQ with the kernel */
978
979 retcode = request_irq( interrupt_level,
1d6f359a 980 do_fdomain_16x0_intr, pdev?IRQF_SHARED:0, "fdomain", shpnt);
1da177e4
LT		 981
982 if (retcode < 0) {
983 if (retcode == -EINVAL) {
984 printk(KERN_ERR "scsi: <fdomain> IRQ %d is bad!\n", interrupt_level );
985 printk(KERN_ERR " This shouldn't happen!\n" );
986 printk(KERN_ERR " Send mail to [email protected]\n" );
987 } else if (retcode == -EBUSY) {
988 printk(KERN_ERR "scsi: <fdomain> IRQ %d is already in use!\n", interrupt_level );
989 printk(KERN_ERR " Please use another IRQ!\n" );
990 } else {
991 printk(KERN_ERR "scsi: <fdomain> Error getting IRQ %d\n", interrupt_level );
992 printk(KERN_ERR " This shouldn't happen!\n" );
993 printk(KERN_ERR " Send mail to [email protected]\n" );
994 }
995 printk(KERN_ERR "scsi: <fdomain> Detected, but driver not loaded (IRQ)\n" );
47bcd354 996 goto fail;
1da177e4
LT		 997 }
998 }
999 return shpnt;
47bcd354
AC		 1000fail:
1001 pci_dev_put(pdev);
1002 release_region(port_base, 0x10);
1003 return NULL;
1da177e4
LT		 1004}
1005
1006static int fdomain_16x0_detect(struct scsi_host_template *tpnt)
1007{
1008 if (fdomain)
1009 fdomain_setup(fdomain);
1010 return (__fdomain_16x0_detect(tpnt) != NULL);
1011}
1012
1013static const char *fdomain_16x0_info( struct Scsi_Host *ignore )
1014{
1015 static char buffer[128];
1016 char *pt;
1017
1018 strcpy( buffer, "Future Domain 16-bit SCSI Driver Version" );
1019 if (strchr( VERSION, ':')) { /* Assume VERSION is an RCS Revision string */
1020 strcat( buffer, strchr( VERSION, ':' ) + 1 );
1021 pt = strrchr( buffer, '$') - 1;
1022 if (!pt) /* Stripped RCS Revision string? */
1023 pt = buffer + strlen( buffer ) - 1;
1024 if (*pt != ' ')
1025 ++pt;
1026 *pt = '\0';
1027 } else { /* Assume VERSION is a number */
1028 strcat( buffer, " " VERSION );
1029 }
1030
1031 return buffer;
1032}
1033
1034#if 0
1035static int fdomain_arbitrate( void )
1036{
1037 int status = 0;
1038 unsigned long timeout;
1039
1040#if EVERY_ACCESS
1041 printk( "fdomain_arbitrate()\n" );
1042#endif
1043
1044 outb(0x00, port_base + SCSI_Cntl); /* Disable data drivers */
1045 outb(adapter_mask, port_base + SCSI_Data_NoACK); /* Set our id bit */
1046 outb(0x04 | PARITY_MASK, port_base + TMC_Cntl); /* Start arbitration */
1047
1048 timeout = 500;
1049 do {
1050 status = inb(port_base + TMC_Status); /* Read adapter status */
1051 if (status & 0x02) /* Arbitration complete */
1052 return 0;
1053 mdelay(1); /* Wait one millisecond */
1054 } while (--timeout);
1055
1056 /* Make bus idle */
1057 fdomain_make_bus_idle();
1058
1059#if EVERY_ACCESS
1060 printk( "Arbitration failed, status = %x\n", status );
1061#endif
1062#if ERRORS_ONLY
1063 printk( "scsi: <fdomain> Arbitration failed, status = %x\n", status );
1064#endif
1065 return 1;
1066}
1067#endif
1068
1069static int fdomain_select( int target )
1070{
1071 int status;
1072 unsigned long timeout;
1073#if ERRORS_ONLY
1074 static int flag = 0;
1075#endif
1076
1077 outb(0x82, port_base + SCSI_Cntl); /* Bus Enable + Select */
1078 outb(adapter_mask | (1 << target), port_base + SCSI_Data_NoACK);
1079
1080 /* Stop arbitration and enable parity */
1081 outb(PARITY_MASK, port_base + TMC_Cntl);
1082
1083 timeout = 350; /* 350 msec */
1084
1085 do {
1086 status = inb(port_base + SCSI_Status); /* Read adapter status */
1087 if (status & 1) { /* Busy asserted */
1088 /* Enable SCSI Bus (on error, should make bus idle with 0) */
1089 outb(0x80, port_base + SCSI_Cntl);
1090 return 0;
1091 }
1092 mdelay(1); /* wait one msec */
1093 } while (--timeout);
1094 /* Make bus idle */
1095 fdomain_make_bus_idle();
1096#if EVERY_ACCESS
1097 if (!target) printk( "Selection failed\n" );
1098#endif
1099#if ERRORS_ONLY
1100 if (!target) {
1101 if (!flag) /* Skip first failure for all chips. */
1102 ++flag;
1103 else
1104 printk( "scsi: <fdomain> Selection failed\n" );
1105 }
1106#endif
1107 return 1;
1108}
1109
1110static void my_done(int error)
1111{
1112 if (in_command) {
1113 in_command = 0;
1114 outb(0x00, port_base + Interrupt_Cntl);
1115 fdomain_make_bus_idle();
1116 current_SC->result = error;
1117 if (current_SC->scsi_done)
1118 current_SC->scsi_done( current_SC );
1119 else panic( "scsi: <fdomain> current_SC->scsi_done() == NULL" );
1120 } else {
1121 panic( "scsi: <fdomain> my_done() called outside of command\n" );
1122 }
1123#if DEBUG_RACE
1124 in_interrupt_flag = 0;
1125#endif
1126}
1127
7d12e780 1128static irqreturn_t do_fdomain_16x0_intr(int irq, void *dev_id)
1da177e4
LT		 1129{
1130 unsigned long flags;
1131 int status;
1132 int done = 0;
1133 unsigned data_count;
1134
1135 /* The fdomain_16x0_intr is only called via
1136 the interrupt handler. The goal of the
1137 sti() here is to allow other
1138 interruptions while this routine is
1139 running. */
1140
1141 /* Check for other IRQ sources */
1142 if ((inb(port_base + TMC_Status) & 0x01) == 0)
1143 return IRQ_NONE;
1144
1145 /* It is our IRQ */
1146 outb(0x00, port_base + Interrupt_Cntl);
1147
1148 /* We usually have one spurious interrupt after each command. Ignore it. */
1149 if (!in_command || !current_SC) { /* Spurious interrupt */
1150#if EVERY_ACCESS
1151 printk( "Spurious interrupt, in_command = %d, current_SC = %x\n",
1152 in_command, current_SC );
1153#endif
1154 return IRQ_NONE;
1155 }
1156
1157 /* Abort calls my_done, so we do nothing here. */
1158 if (current_SC->SCp.phase & aborted) {
1159#if DEBUG_ABORT
1160 printk( "scsi: <fdomain> Interrupt after abort, ignoring\n" );
1161#endif
1162 /*
1163 return IRQ_HANDLED; */
1164 }
1165
1166#if DEBUG_RACE
1167 ++in_interrupt_flag;
1168#endif
1169
1170 if (current_SC->SCp.phase & in_arbitration) {
1171 status = inb(port_base + TMC_Status); /* Read adapter status */
1172 if (!(status & 0x02)) {
1173#if EVERY_ACCESS
1174 printk( " AFAIL " );
1175#endif
1176 spin_lock_irqsave(current_SC->device->host->host_lock, flags);
1177 my_done( DID_BUS_BUSY << 16 );
1178 spin_unlock_irqrestore(current_SC->device->host->host_lock, flags);
1179 return IRQ_HANDLED;
1180 }
1181 current_SC->SCp.phase = in_selection;
1182
1183 outb(0x40 | FIFO_COUNT, port_base + Interrupt_Cntl);
1184
1185 outb(0x82, port_base + SCSI_Cntl); /* Bus Enable + Select */
422c0d61 1186 outb(adapter_mask | (1 << scmd_id(current_SC)), port_base + SCSI_Data_NoACK);
1da177e4
LT		 1187
1188 /* Stop arbitration and enable parity */
1189 outb(0x10 | PARITY_MASK, port_base + TMC_Cntl);
1190#if DEBUG_RACE
1191 in_interrupt_flag = 0;
1192#endif
1193 return IRQ_HANDLED;
1194 } else if (current_SC->SCp.phase & in_selection) {
1195 status = inb(port_base + SCSI_Status);
1196 if (!(status & 0x01)) {
1197 /* Try again, for slow devices */
422c0d61 1198 if (fdomain_select( scmd_id(current_SC) )) {
1da177e4
LT		 1199#if EVERY_ACCESS
1200 printk( " SFAIL " );
1201#endif
1202 spin_lock_irqsave(current_SC->device->host->host_lock, flags);
1203 my_done( DID_NO_CONNECT << 16 );
1204 spin_unlock_irqrestore(current_SC->device->host->host_lock, flags);
1205 return IRQ_HANDLED;
1206 } else {
1207#if EVERY_ACCESS
1208 printk( " AltSel " );
1209#endif
1210 /* Stop arbitration and enable parity */
1211 outb(0x10 | PARITY_MASK, port_base + TMC_Cntl);
1212 }
1213 }
1214 current_SC->SCp.phase = in_other;
1215 outb(0x90 | FIFO_COUNT, port_base + Interrupt_Cntl);
1216 outb(0x80, port_base + SCSI_Cntl);
1217#if DEBUG_RACE
1218 in_interrupt_flag = 0;
1219#endif
1220 return IRQ_HANDLED;
1221 }
1222
1223 /* current_SC->SCp.phase == in_other: this is the body of the routine */
1224
1225 status = inb(port_base + SCSI_Status);
1226
1227 if (status & 0x10) { /* REQ */
1228
1229 switch (status & 0x0e) {
1230
1231 case 0x08: /* COMMAND OUT */
1232 outb(current_SC->cmnd[current_SC->SCp.sent_command++],
1233 port_base + Write_SCSI_Data);
1234#if EVERY_ACCESS
1235 printk( "CMD = %x,",
1236 current_SC->cmnd[ current_SC->SCp.sent_command - 1] );
1237#endif
1238 break;
1239 case 0x00: /* DATA OUT -- tmc18c50/tmc18c30 only */
1240 if (chip != tmc1800 && !current_SC->SCp.have_data_in) {
1241 current_SC->SCp.have_data_in = -1;
1242 outb(0xd0 | PARITY_MASK, port_base + TMC_Cntl);
1243 }
1244 break;
1245 case 0x04: /* DATA IN -- tmc18c50/tmc18c30 only */
1246 if (chip != tmc1800 && !current_SC->SCp.have_data_in) {
1247 current_SC->SCp.have_data_in = 1;
1248 outb(0x90 | PARITY_MASK, port_base + TMC_Cntl);
1249 }
1250 break;
1251 case 0x0c: /* STATUS IN */
1252 current_SC->SCp.Status = inb(port_base + Read_SCSI_Data);
1253#if EVERY_ACCESS
1254 printk( "Status = %x, ", current_SC->SCp.Status );
1255#endif
1256#if ERRORS_ONLY
1257 if (current_SC->SCp.Status
1258 && current_SC->SCp.Status != 2
1259 && current_SC->SCp.Status != 8) {
1260 printk( "scsi: <fdomain> target = %d, command = %x, status = %x\n",
1261 current_SC->device->id,
1262 current_SC->cmnd[0],
1263 current_SC->SCp.Status );
1264 }
1265#endif
1266 break;
1267 case 0x0a: /* MESSAGE OUT */
1268 outb(MESSAGE_REJECT, port_base + Write_SCSI_Data); /* Reject */
1269 break;
1270 case 0x0e: /* MESSAGE IN */
1271 current_SC->SCp.Message = inb(port_base + Read_SCSI_Data);
1272#if EVERY_ACCESS
1273 printk( "Message = %x, ", current_SC->SCp.Message );
1274#endif
1275 if (!current_SC->SCp.Message) ++done;
1276#if DEBUG_MESSAGES || EVERY_ACCESS
1277 if (current_SC->SCp.Message) {
1278 printk( "scsi: <fdomain> message = %x\n",
1279 current_SC->SCp.Message );
1280 }
1281#endif
1282 break;
1283 }
1284 }
1285
1286 if (chip == tmc1800 && !current_SC->SCp.have_data_in
1287 && (current_SC->SCp.sent_command >= current_SC->cmd_len)) {
1288
1289 if(current_SC->sc_data_direction == DMA_TO_DEVICE)
1290 {
1291 current_SC->SCp.have_data_in = -1;
1292 outb(0xd0 | PARITY_MASK, port_base + TMC_Cntl);
1293 }
1294 else
1295 {
1296 current_SC->SCp.have_data_in = 1;
1297 outb(0x90 | PARITY_MASK, port_base + TMC_Cntl);
1298 }
1299 }
1300
1301 if (current_SC->SCp.have_data_in == -1) { /* DATA OUT */
1302 while ((data_count = FIFO_Size - inw(port_base + FIFO_Data_Count)) > 512) {
1303#if EVERY_ACCESS
1304 printk( "DC=%d, ", data_count ) ;
1305#endif
1306 if (data_count > current_SC->SCp.this_residual)
1307 data_count = current_SC->SCp.this_residual;
1308 if (data_count > 0) {
1309#if EVERY_ACCESS
1310 printk( "%d OUT, ", data_count );
1311#endif
1312 if (data_count == 1) {
1313 outb(*current_SC->SCp.ptr++, port_base + Write_FIFO);
1314 --current_SC->SCp.this_residual;
1315 } else {
1316 data_count >>= 1;
1317 outsw(port_base + Write_FIFO, current_SC->SCp.ptr, data_count);
1318 current_SC->SCp.ptr += 2 * data_count;
1319 current_SC->SCp.this_residual -= 2 * data_count;
1320 }
1321 }
1322 if (!current_SC->SCp.this_residual) {
1323 if (current_SC->SCp.buffers_residual) {
1324 --current_SC->SCp.buffers_residual;
1325 ++current_SC->SCp.buffer;
45711f1a 1326 current_SC->SCp.ptr = sg_virt(current_SC->SCp.buffer);
1da177e4
LT		 1327 current_SC->SCp.this_residual = current_SC->SCp.buffer->length;
1328 } else
1329 break;
1330 }
1331 }
1332 }
1333
1334 if (current_SC->SCp.have_data_in == 1) { /* DATA IN */
1335 while ((data_count = inw(port_base + FIFO_Data_Count)) > 0) {
1336#if EVERY_ACCESS
1337 printk( "DC=%d, ", data_count );
1338#endif
1339 if (data_count > current_SC->SCp.this_residual)
1340 data_count = current_SC->SCp.this_residual;
1341 if (data_count) {
1342#if EVERY_ACCESS
1343 printk( "%d IN, ", data_count );
1344#endif
1345 if (data_count == 1) {
1346 *current_SC->SCp.ptr++ = inb(port_base + Read_FIFO);
1347 --current_SC->SCp.this_residual;
1348 } else {
1349 data_count >>= 1; /* Number of words */
1350 insw(port_base + Read_FIFO, current_SC->SCp.ptr, data_count);
1351 current_SC->SCp.ptr += 2 * data_count;
1352 current_SC->SCp.this_residual -= 2 * data_count;
1353 }
1354 }
1355 if (!current_SC->SCp.this_residual
1356 && current_SC->SCp.buffers_residual) {
1357 --current_SC->SCp.buffers_residual;
1358 ++current_SC->SCp.buffer;
45711f1a 1359 current_SC->SCp.ptr = sg_virt(current_SC->SCp.buffer);
1da177e4
LT		 1360 current_SC->SCp.this_residual = current_SC->SCp.buffer->length;
1361 }
1362 }
1363 }
1364
1365 if (done) {
1366#if EVERY_ACCESS
1367 printk( " ** IN DONE %d ** ", current_SC->SCp.have_data_in );
1368#endif
1369
1370#if ERRORS_ONLY
1371 if (current_SC->cmnd[0] == REQUEST_SENSE && !current_SC->SCp.Status) {
e1eaf460
FT		 1372 char *buf = scsi_sglist(current_SC);
1373 if ((unsigned char)(*(buf + 2)) & 0x0f) {
1da177e4
LT		 1374 unsigned char key;
1375 unsigned char code;
1376 unsigned char qualifier;
1377
e1eaf460
FT		 1378 key = (unsigned char)(*(buf + 2)) & 0x0f;
1379 code = (unsigned char)(*(buf + 12));
1380 qualifier = (unsigned char)(*(buf + 13));
1da177e4
LT		 1381
1382 if (key != UNIT_ATTENTION
1383 && !(key == NOT_READY
1384 && code == 0x04
1385 && (!qualifier || qualifier == 0x02 || qualifier == 0x01))
1386 && !(key == ILLEGAL_REQUEST && (code == 0x25
1387 || code == 0x24
1388 || !code)))
1389
1390 printk( "scsi: <fdomain> REQUEST SENSE"
1391 " Key = %x, Code = %x, Qualifier = %x\n",
1392 key, code, qualifier );
1393 }
1394 }
1395#endif
1396#if EVERY_ACCESS
1397 printk( "BEFORE MY_DONE. . ." );
1398#endif
1399 spin_lock_irqsave(current_SC->device->host->host_lock, flags);
1400 my_done( (current_SC->SCp.Status & 0xff)
1401 | ((current_SC->SCp.Message & 0xff) << 8) | (DID_OK << 16) );
1402 spin_unlock_irqrestore(current_SC->device->host->host_lock, flags);
1403#if EVERY_ACCESS
1404 printk( "RETURNING.\n" );
1405#endif
1406
1407 } else {
1408 if (current_SC->SCp.phase & disconnect) {
1409 outb(0xd0 | FIFO_COUNT, port_base + Interrupt_Cntl);
1410 outb(0x00, port_base + SCSI_Cntl);
1411 } else {
1412 outb(0x90 | FIFO_COUNT, port_base + Interrupt_Cntl);
1413 }
1414 }
1415#if DEBUG_RACE
1416 in_interrupt_flag = 0;
1417#endif
1418 return IRQ_HANDLED;
1419}
1420
f281233d 1421static int fdomain_16x0_queue_lck(struct scsi_cmnd *SCpnt,
1da177e4
LT		 1422 void (*done)(struct scsi_cmnd *))
1423{
1424 if (in_command) {
1425 panic( "scsi: <fdomain> fdomain_16x0_queue() NOT REENTRANT!\n" );
1426 }
1427#if EVERY_ACCESS
1428 printk( "queue: target = %d cmnd = 0x%02x pieces = %d size = %u\n",
1429 SCpnt->target,
1430 *(unsigned char *)SCpnt->cmnd,
e1eaf460
FT		 1431 scsi_sg_count(SCpnt),
1432 scsi_bufflen(SCpnt));
1da177e4
LT		 1433#endif
1434
1435 fdomain_make_bus_idle();
1436
1437 current_SC = SCpnt; /* Save this for the done function */
1438 current_SC->scsi_done = done;
1439
1440 /* Initialize static data */
1441
e1eaf460
FT		 1442 if (scsi_sg_count(current_SC)) {
1443 current_SC->SCp.buffer = scsi_sglist(current_SC);
45711f1a 1444 current_SC->SCp.ptr = sg_virt(current_SC->SCp.buffer);
e1eaf460
FT		 1445 current_SC->SCp.this_residual = current_SC->SCp.buffer->length;
1446 current_SC->SCp.buffers_residual = scsi_sg_count(current_SC) - 1;
1da177e4 1447 } else {
172c122d 1448 current_SC->SCp.ptr = NULL;
e1eaf460
FT		 1449 current_SC->SCp.this_residual = 0;
1450 current_SC->SCp.buffer = NULL;
1451 current_SC->SCp.buffers_residual = 0;
1da177e4 1452 }
e1eaf460 1453
1da177e4
LT		 1454 current_SC->SCp.Status = 0;
1455 current_SC->SCp.Message = 0;
1456 current_SC->SCp.have_data_in = 0;
1457 current_SC->SCp.sent_command = 0;
1458 current_SC->SCp.phase = in_arbitration;
1459
1460 /* Start arbitration */
1461 outb(0x00, port_base + Interrupt_Cntl);
1462 outb(0x00, port_base + SCSI_Cntl); /* Disable data drivers */
1463 outb(adapter_mask, port_base + SCSI_Data_NoACK); /* Set our id bit */
1464 ++in_command;
1465 outb(0x20, port_base + Interrupt_Cntl);
1466 outb(0x14 | PARITY_MASK, port_base + TMC_Cntl); /* Start arbitration */
1467
1468 return 0;
1469}
1470
f281233d
JG		 1471static DEF_SCSI_QCMD(fdomain_16x0_queue)
1472
1da177e4
LT		 1473#if DEBUG_ABORT
1474static void print_info(struct scsi_cmnd *SCpnt)
1475{
1476 unsigned int imr;
1477 unsigned int irr;
1478 unsigned int isr;
1479
1480 if (!SCpnt || !SCpnt->device || !SCpnt->device->host) {
1481 printk(KERN_WARNING "scsi: <fdomain> Cannot provide detailed information\n");
1482 return;
1483 }
1484
1485 printk(KERN_INFO "%s\n", fdomain_16x0_info( SCpnt->device->host ) );
1486 print_banner(SCpnt->device->host);
1487 switch (SCpnt->SCp.phase) {
1488 case in_arbitration: printk("arbitration"); break;
1489 case in_selection: printk("selection"); break;
1490 case in_other: printk("other"); break;
1491 default: printk("unknown"); break;
1492 }
1493
1494 printk( " (%d), target = %d cmnd = 0x%02x pieces = %d size = %u\n",
1495 SCpnt->SCp.phase,
1496 SCpnt->device->id,
1497 *(unsigned char *)SCpnt->cmnd,
e1eaf460
FT		 1498 scsi_sg_count(SCpnt),
1499 scsi_bufflen(SCpnt));
1da177e4
LT		 1500 printk( "sent_command = %d, have_data_in = %d, timeout = %d\n",
1501 SCpnt->SCp.sent_command,
1502 SCpnt->SCp.have_data_in,
1503 SCpnt->timeout );
1504#if DEBUG_RACE
1505 printk( "in_interrupt_flag = %d\n", in_interrupt_flag );
1506#endif
1507
1508 imr = (inb( 0x0a1 ) << 8) + inb( 0x21 );
1509 outb( 0x0a, 0xa0 );
1510 irr = inb( 0xa0 ) << 8;
1511 outb( 0x0a, 0x20 );
1512 irr += inb( 0x20 );
1513 outb( 0x0b, 0xa0 );
1514 isr = inb( 0xa0 ) << 8;
1515 outb( 0x0b, 0x20 );
1516 isr += inb( 0x20 );
1517
1518 /* Print out interesting information */
1519 printk( "IMR = 0x%04x", imr );
1520 if (imr & (1 << interrupt_level))
1521 printk( " (masked)" );
1522 printk( ", IRR = 0x%04x, ISR = 0x%04x\n", irr, isr );
1523
1524 printk( "SCSI Status = 0x%02x\n", inb(port_base + SCSI_Status));
1525 printk( "TMC Status = 0x%02x", inb(port_base + TMC_Status));
1526 if (inb((port_base + TMC_Status) & 1))
1527 printk( " (interrupt)" );
1528 printk( "\n" );
1529 printk("Interrupt Status = 0x%02x", inb(port_base + Interrupt_Status));
1530 if (inb(port_base + Interrupt_Status) & 0x08)
1531 printk( " (enabled)" );
1532 printk( "\n" );
1533 if (chip == tmc18c50 || chip == tmc18c30) {
1534 printk("FIFO Status = 0x%02x\n", inb(port_base + FIFO_Status));
1535 printk( "Int. Condition = 0x%02x\n",
1536 inb( port_base + Interrupt_Cond ) );
1537 }
1538 printk( "Configuration 1 = 0x%02x\n", inb( port_base + Configuration1 ) );
1539 if (chip == tmc18c50 || chip == tmc18c30)
1540 printk( "Configuration 2 = 0x%02x\n",
1541 inb( port_base + Configuration2 ) );
1542}
1543#endif
1544
1545static int fdomain_16x0_abort(struct scsi_cmnd *SCpnt)
1546{
1547#if EVERY_ACCESS || ERRORS_ONLY || DEBUG_ABORT
1548 printk( "scsi: <fdomain> abort " );
1549#endif
1550
1551 if (!in_command) {
1552#if EVERY_ACCESS || ERRORS_ONLY
1553 printk( " (not in command)\n" );
1554#endif
1555 return FAILED;
1556 } else printk( "\n" );
1557
1558#if DEBUG_ABORT
1559 print_info( SCpnt );
1560#endif
1561
1562 fdomain_make_bus_idle();
1563 current_SC->SCp.phase |= aborted;
1564 current_SC->result = DID_ABORT << 16;
1565
1566 /* Aborts are not done well. . . */
1567 my_done(DID_ABORT << 16);
1568 return SUCCESS;
1569}
1570
1571int fdomain_16x0_bus_reset(struct scsi_cmnd *SCpnt)
1572{
68b3aa7c
JG		 1573 unsigned long flags;
1574
1575 local_irq_save(flags);
1576
1da177e4
LT		 1577 outb(1, port_base + SCSI_Cntl);
1578 do_pause( 2 );
1579 outb(0, port_base + SCSI_Cntl);
1580 do_pause( 115 );
1581 outb(0, port_base + SCSI_Mode_Cntl);
1582 outb(PARITY_MASK, port_base + TMC_Cntl);
68b3aa7c
JG		 1583
1584 local_irq_restore(flags);
1da177e4
LT		 1585 return SUCCESS;
1586}
1587
1588static int fdomain_16x0_biosparam(struct scsi_device *sdev,
1589 struct block_device *bdev,
1590 sector_t capacity, int *info_array)
1591{
1592 int drive;
1593 int size = capacity;
1594 unsigned long offset;
1595 struct drive_info {
1596 unsigned short cylinders;
1597 unsigned char heads;
1598 unsigned char sectors;
1599 } i;
1600
1601 /* NOTES:
1602 The RAM area starts at 0x1f00 from the bios_base address.
1603
1604 For BIOS Version 2.0:
1605
1606 The drive parameter table seems to start at 0x1f30.
1607 The first byte's purpose is not known.
1608 Next is the cylinder, head, and sector information.
1609 The last 4 bytes appear to be the drive's size in sectors.
1610 The other bytes in the drive parameter table are unknown.
1611 If anyone figures them out, please send me mail, and I will
1612 update these notes.
1613
1614 Tape drives do not get placed in this table.
1615
1616 There is another table at 0x1fea:
1617 If the byte is 0x01, then the SCSI ID is not in use.
1618 If the byte is 0x18 or 0x48, then the SCSI ID is in use,
1619 although tapes don't seem to be in this table. I haven't
1620 seen any other numbers (in a limited sample).
1621
1622 0x1f2d is a drive count (i.e., not including tapes)
1623
1624 The table at 0x1fcc are I/O ports addresses for the various
1625 operations. I calculate these by hand in this driver code.
1626
1627
1628
1629 For the ISA-200S version of BIOS Version 2.0:
1630
1631 The drive parameter table starts at 0x1f33.
1632
1633 WARNING: Assume that the table entry is 25 bytes long. Someone needs
1634 to check this for the Quantum ISA-200S card.
1635
1636
1637
1638 For BIOS Version 3.2:
1639
1640 The drive parameter table starts at 0x1f70. Each entry is
1641 0x0a bytes long. Heads are one less than we need to report.
1642 */
1643
1644 if (MAJOR(bdev->bd_dev) != SCSI_DISK0_MAJOR) {
1645 printk("scsi: <fdomain> fdomain_16x0_biosparam: too many disks");
1646 return 0;
1647 }
1648 drive = MINOR(bdev->bd_dev) >> 4;
1649
1650 if (bios_major == 2) {
1651 switch (Quantum) {
1652 case 2: /* ISA_200S */
1653 /* The value of 25 has never been verified.
1654 It should probably be 15. */
1655 offset = 0x1f33 + drive * 25;
1656 break;
1657 case 3: /* ISA_250MG */
1658 offset = 0x1f36 + drive * 15;
1659 break;
1660 case 4: /* ISA_200S (another one) */
1661 offset = 0x1f34 + drive * 15;
1662 break;
1663 default:
1664 offset = 0x1f31 + drive * 25;
1665 break;
1666 }
1667 memcpy_fromio( &i, bios_mem + offset, sizeof( struct drive_info ) );
1668 info_array[0] = i.heads;
1669 info_array[1] = i.sectors;
1670 info_array[2] = i.cylinders;
1671 } else if (bios_major == 3
1672 && bios_minor >= 0
1673 && bios_minor < 4) { /* 3.0 and 3.2 BIOS */
1674 memcpy_fromio( &i, bios_mem + 0x1f71 + drive * 10,
1675 sizeof( struct drive_info ) );
1676 info_array[0] = i.heads + 1;
1677 info_array[1] = i.sectors;
1678 info_array[2] = i.cylinders;
1679 } else { /* 3.4 BIOS (and up?) */
1680 /* This algorithm was provided by Future Domain (much thanks!). */
1681 unsigned char *p = scsi_bios_ptable(bdev);
1682
1683 if (p && p[65] == 0xaa && p[64] == 0x55 /* Partition table valid */
1684 && p[4]) { /* Partition type */
1685
1686 /* The partition table layout is as follows:
1687
1688 Start: 0x1b3h
1689 Offset: 0 = partition status
1690 1 = starting head
1691 2 = starting sector and cylinder (word, encoded)
1692 4 = partition type
1693 5 = ending head
1694 6 = ending sector and cylinder (word, encoded)
1695 8 = starting absolute sector (double word)
1696 c = number of sectors (double word)
1697 Signature: 0x1fe = 0x55aa
1698
1699 So, this algorithm assumes:
1700 1) the first partition table is in use,
1701 2) the data in the first entry is correct, and
1702 3) partitions never divide cylinders
1703
1704 Note that (1) may be FALSE for NetBSD (and other BSD flavors),
1705 as well as for Linux. Note also, that Linux doesn't pay any
1706 attention to the fields that are used by this algorithm -- it
1707 only uses the absolute sector data. Recent versions of Linux's
1708 fdisk(1) will fill this data in correctly, and forthcoming
1709 versions will check for consistency.
1710
1711 Checking for a non-zero partition type is not part of the
1712 Future Domain algorithm, but it seemed to be a reasonable thing
1713 to do, especially in the Linux and BSD worlds. */
1714
1715 info_array[0] = p[5] + 1; /* heads */
1716 info_array[1] = p[6] & 0x3f; /* sectors */
1717 } else {
1718
1719 /* Note that this new method guarantees that there will always be
1720 less than 1024 cylinders on a platter. This is good for drives
1721 up to approximately 7.85GB (where 1GB = 1024 * 1024 kB). */
1722
1723 if ((unsigned int)size >= 0x7e0000U) {
1724 info_array[0] = 0xff; /* heads = 255 */
1725 info_array[1] = 0x3f; /* sectors = 63 */
1726 } else if ((unsigned int)size >= 0x200000U) {
1727 info_array[0] = 0x80; /* heads = 128 */
1728 info_array[1] = 0x3f; /* sectors = 63 */
1729 } else {
1730 info_array[0] = 0x40; /* heads = 64 */
1731 info_array[1] = 0x20; /* sectors = 32 */
1732 }
1733 }
1734 /* For both methods, compute the cylinders */
1735 info_array[2] = (unsigned int)size / (info_array[0] * info_array[1] );
1736 kfree(p);
1737 }
1738
1739 return 0;
1740}
1741
1742static int fdomain_16x0_release(struct Scsi_Host *shpnt)
1743{
1744 if (shpnt->irq)
1745 free_irq(shpnt->irq, shpnt);
1746 if (shpnt->io_port && shpnt->n_io_port)
1747 release_region(shpnt->io_port, shpnt->n_io_port);
47bcd354
AC		 1748 if (PCI_bus)
1749 pci_dev_put(PCI_dev);
1da177e4
LT		 1750 return 0;
1751}
1752
1753struct scsi_host_template fdomain_driver_template = {
1754 .module = THIS_MODULE,
1755 .name = "fdomain",
1756 .proc_name = "fdomain",
1757 .detect = fdomain_16x0_detect,
1758 .info = fdomain_16x0_info,
1759 .queuecommand = fdomain_16x0_queue,
1760 .eh_abort_handler = fdomain_16x0_abort,
1761 .eh_bus_reset_handler = fdomain_16x0_bus_reset,
1762 .bios_param = fdomain_16x0_biosparam,
1763 .release = fdomain_16x0_release,
1764 .can_queue = 1,
1765 .this_id = 6,
1766 .sg_tablesize = 64,
1767 .cmd_per_lun = 1,
1768 .use_clustering = DISABLE_CLUSTERING,
1769};
1770
1771#ifndef PCMCIA
2ca48230 1772#ifdef CONFIG_PCI
3985b977 1773
6f039790 1774static struct pci_device_id fdomain_pci_tbl[] = {
3985b977
BC		 1775 { PCI_VENDOR_ID_FD, PCI_DEVICE_ID_FD_36C70,
1776 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1777 { }
1778};
1779MODULE_DEVICE_TABLE(pci, fdomain_pci_tbl);
2ca48230 1780#endif
1da177e4
LT		 1781#define driver_template fdomain_driver_template
1782#include "scsi_module.c"
3985b977 1783
1da177e4 1784#endif
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