Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Generic Macintosh NCR5380 driver | |
3 | * | |
4 | * Copyright 1998, Michael Schmitz <mschmitz@lbl.gov> | |
5 | * | |
6 | * derived in part from: | |
7 | */ | |
8 | /* | |
9 | * Generic Generic NCR5380 driver | |
10 | * | |
11 | * Copyright 1995, Russell King | |
12 | * | |
13 | * ALPHA RELEASE 1. | |
14 | * | |
15 | * For more information, please consult | |
16 | * | |
17 | * NCR 5380 Family | |
18 | * SCSI Protocol Controller | |
19 | * Databook | |
20 | * | |
21 | * NCR Microelectronics | |
22 | * 1635 Aeroplaza Drive | |
23 | * Colorado Springs, CO 80916 | |
24 | * 1+ (719) 578-3400 | |
25 | * 1+ (800) 334-5454 | |
26 | */ | |
27 | ||
28 | /* | |
29 | * $Log: mac_NCR5380.c,v $ | |
30 | */ | |
31 | ||
32 | #include <linux/types.h> | |
33 | #include <linux/stddef.h> | |
34 | #include <linux/ctype.h> | |
35 | #include <linux/delay.h> | |
36 | ||
37 | #include <linux/module.h> | |
38 | #include <linux/signal.h> | |
1da177e4 LT |
39 | #include <linux/ioport.h> |
40 | #include <linux/init.h> | |
41 | #include <linux/blkdev.h> | |
42 | #include <linux/interrupt.h> | |
43 | ||
44 | #include <asm/io.h> | |
45 | #include <asm/irq.h> | |
1da177e4 LT |
46 | |
47 | #include <asm/macintosh.h> | |
48 | #include <asm/macints.h> | |
1da177e4 LT |
49 | #include <asm/mac_via.h> |
50 | ||
51 | #include "scsi.h" | |
52 | #include <scsi/scsi_host.h> | |
53 | #include "mac_scsi.h" | |
e744fdea BH |
54 | |
55 | /* These control the behaviour of the generic 5380 core */ | |
56 | #define AUTOSENSE | |
57 | #define PSEUDO_DMA | |
58 | ||
1da177e4 LT |
59 | #include "NCR5380.h" |
60 | ||
61 | #if 0 | |
62 | #define NDEBUG (NDEBUG_INTR | NDEBUG_PSEUDO_DMA | NDEBUG_ARBITRATION | NDEBUG_SELECTION | NDEBUG_RESELECTION) | |
63 | #else | |
64 | #define NDEBUG (NDEBUG_ABORT) | |
65 | #endif | |
66 | ||
67 | #define RESET_BOOT | |
68 | #define DRIVER_SETUP | |
69 | ||
1da177e4 LT |
70 | extern void via_scsi_clear(void); |
71 | ||
72 | #ifdef RESET_BOOT | |
73 | static void mac_scsi_reset_boot(struct Scsi_Host *instance); | |
74 | #endif | |
75 | ||
76 | static int setup_called = 0; | |
77 | static int setup_can_queue = -1; | |
78 | static int setup_cmd_per_lun = -1; | |
79 | static int setup_sg_tablesize = -1; | |
80 | static int setup_use_pdma = -1; | |
81 | #ifdef SUPPORT_TAGS | |
82 | static int setup_use_tagged_queuing = -1; | |
83 | #endif | |
84 | static int setup_hostid = -1; | |
85 | ||
86 | /* Time (in jiffies) to wait after a reset; the SCSI standard calls for 250ms, | |
87 | * we usually do 0.5s to be on the safe side. But Toshiba CD-ROMs once more | |
88 | * need ten times the standard value... */ | |
89 | #define TOSHIBA_DELAY | |
90 | ||
91 | #ifdef TOSHIBA_DELAY | |
92 | #define AFTER_RESET_DELAY (5*HZ/2) | |
93 | #else | |
94 | #define AFTER_RESET_DELAY (HZ/2) | |
95 | #endif | |
96 | ||
97 | static volatile unsigned char *mac_scsi_regp = NULL; | |
98 | static volatile unsigned char *mac_scsi_drq = NULL; | |
99 | static volatile unsigned char *mac_scsi_nodrq = NULL; | |
100 | ||
101 | ||
102 | /* | |
103 | * NCR 5380 register access functions | |
104 | */ | |
105 | ||
106 | #if 0 | |
107 | /* Debug versions */ | |
108 | #define CTRL(p,v) (*ctrl = (v)) | |
109 | ||
110 | static char macscsi_read(struct Scsi_Host *instance, int reg) | |
111 | { | |
112 | int iobase = instance->io_port; | |
113 | int i; | |
114 | int *ctrl = &((struct NCR5380_hostdata *)instance->hostdata)->ctrl; | |
115 | ||
116 | CTRL(iobase, 0); | |
117 | i = in_8(iobase + (reg<<4)); | |
118 | CTRL(iobase, 0x40); | |
119 | ||
120 | return i; | |
121 | } | |
122 | ||
123 | static void macscsi_write(struct Scsi_Host *instance, int reg, int value) | |
124 | { | |
125 | int iobase = instance->io_port; | |
126 | int *ctrl = &((struct NCR5380_hostdata *)instance->hostdata)->ctrl; | |
127 | ||
128 | CTRL(iobase, 0); | |
129 | out_8(iobase + (reg<<4), value); | |
130 | CTRL(iobase, 0x40); | |
131 | } | |
132 | #else | |
133 | ||
134 | /* Fast versions */ | |
135 | static __inline__ char macscsi_read(struct Scsi_Host *instance, int reg) | |
136 | { | |
137 | return in_8(instance->io_port + (reg<<4)); | |
138 | } | |
139 | ||
140 | static __inline__ void macscsi_write(struct Scsi_Host *instance, int reg, int value) | |
141 | { | |
142 | out_8(instance->io_port + (reg<<4), value); | |
143 | } | |
144 | #endif | |
145 | ||
146 | ||
147 | /* | |
148 | * Function : mac_scsi_setup(char *str) | |
149 | * | |
150 | * Purpose : booter command line initialization of the overrides array, | |
151 | * | |
152 | * Inputs : str - comma delimited list of options | |
153 | * | |
154 | */ | |
155 | ||
156 | static int __init mac_scsi_setup(char *str) { | |
157 | #ifdef DRIVER_SETUP | |
158 | int ints[7]; | |
159 | ||
160 | (void)get_options( str, ARRAY_SIZE(ints), ints); | |
161 | ||
162 | if (setup_called++ || ints[0] < 1 || ints[0] > 6) { | |
163 | printk(KERN_WARNING "scsi: <mac5380>" | |
164 | " Usage: mac5380=<can_queue>[,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags>,<use_pdma>]\n"); | |
165 | printk(KERN_ALERT "scsi: <mac5380> Bad Penguin parameters?\n"); | |
166 | return 0; | |
167 | } | |
168 | ||
169 | if (ints[0] >= 1) { | |
170 | if (ints[1] > 0) | |
171 | /* no limits on this, just > 0 */ | |
172 | setup_can_queue = ints[1]; | |
173 | } | |
174 | if (ints[0] >= 2) { | |
175 | if (ints[2] > 0) | |
176 | setup_cmd_per_lun = ints[2]; | |
177 | } | |
178 | if (ints[0] >= 3) { | |
179 | if (ints[3] >= 0) { | |
180 | setup_sg_tablesize = ints[3]; | |
181 | /* Must be <= SG_ALL (255) */ | |
182 | if (setup_sg_tablesize > SG_ALL) | |
183 | setup_sg_tablesize = SG_ALL; | |
184 | } | |
185 | } | |
186 | if (ints[0] >= 4) { | |
187 | /* Must be between 0 and 7 */ | |
188 | if (ints[4] >= 0 && ints[4] <= 7) | |
189 | setup_hostid = ints[4]; | |
190 | else if (ints[4] > 7) | |
191 | printk(KERN_WARNING "mac_scsi_setup: invalid host ID %d !\n", ints[4] ); | |
192 | } | |
193 | #ifdef SUPPORT_TAGS | |
194 | if (ints[0] >= 5) { | |
195 | if (ints[5] >= 0) | |
196 | setup_use_tagged_queuing = !!ints[5]; | |
197 | } | |
198 | ||
199 | if (ints[0] == 6) { | |
200 | if (ints[6] >= 0) | |
201 | setup_use_pdma = ints[6]; | |
202 | } | |
203 | #else | |
204 | if (ints[0] == 5) { | |
205 | if (ints[5] >= 0) | |
206 | setup_use_pdma = ints[5]; | |
207 | } | |
208 | #endif /* SUPPORT_TAGS */ | |
209 | ||
210 | #endif /* DRIVER_SETUP */ | |
211 | return 1; | |
212 | } | |
213 | ||
214 | __setup("mac5380=", mac_scsi_setup); | |
215 | ||
1da177e4 | 216 | /* |
d0be4a7d | 217 | * Function : int macscsi_detect(struct scsi_host_template * tpnt) |
1da177e4 LT |
218 | * |
219 | * Purpose : initializes mac NCR5380 driver based on the | |
220 | * command line / compile time port and irq definitions. | |
221 | * | |
222 | * Inputs : tpnt - template for this SCSI adapter. | |
223 | * | |
224 | * Returns : 1 if a host adapter was found, 0 if not. | |
225 | * | |
226 | */ | |
227 | ||
70c26cf3 | 228 | int __init macscsi_detect(struct scsi_host_template * tpnt) |
1da177e4 LT |
229 | { |
230 | static int called = 0; | |
231 | int flags = 0; | |
232 | struct Scsi_Host *instance; | |
233 | ||
234 | if (!MACH_IS_MAC || called) | |
235 | return( 0 ); | |
236 | ||
237 | if (macintosh_config->scsi_type != MAC_SCSI_OLD) | |
238 | return( 0 ); | |
239 | ||
240 | /* setup variables */ | |
241 | tpnt->can_queue = | |
242 | (setup_can_queue > 0) ? setup_can_queue : CAN_QUEUE; | |
243 | tpnt->cmd_per_lun = | |
244 | (setup_cmd_per_lun > 0) ? setup_cmd_per_lun : CMD_PER_LUN; | |
245 | tpnt->sg_tablesize = | |
246 | (setup_sg_tablesize >= 0) ? setup_sg_tablesize : SG_TABLESIZE; | |
247 | ||
248 | if (setup_hostid >= 0) | |
249 | tpnt->this_id = setup_hostid; | |
250 | else { | |
251 | /* use 7 as default */ | |
252 | tpnt->this_id = 7; | |
253 | } | |
254 | ||
255 | #ifdef SUPPORT_TAGS | |
256 | if (setup_use_tagged_queuing < 0) | |
257 | setup_use_tagged_queuing = USE_TAGGED_QUEUING; | |
258 | #endif | |
259 | ||
260 | /* Once we support multiple 5380s (e.g. DuoDock) we'll do | |
261 | something different here */ | |
262 | instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata)); | |
5db5c505 | 263 | |
1da177e4 LT |
264 | if (macintosh_config->ident == MAC_MODEL_IIFX) { |
265 | mac_scsi_regp = via1+0x8000; | |
266 | mac_scsi_drq = via1+0xE000; | |
267 | mac_scsi_nodrq = via1+0xC000; | |
268 | /* The IIFX should be able to do true DMA, but pseudo-dma doesn't work */ | |
269 | flags = FLAG_NO_PSEUDO_DMA; | |
270 | } else { | |
271 | mac_scsi_regp = via1+0x10000; | |
272 | mac_scsi_drq = via1+0x6000; | |
273 | mac_scsi_nodrq = via1+0x12000; | |
274 | } | |
275 | ||
276 | if (! setup_use_pdma) | |
277 | flags = FLAG_NO_PSEUDO_DMA; | |
278 | ||
279 | instance->io_port = (unsigned long) mac_scsi_regp; | |
280 | instance->irq = IRQ_MAC_SCSI; | |
281 | ||
282 | #ifdef RESET_BOOT | |
283 | mac_scsi_reset_boot(instance); | |
284 | #endif | |
285 | ||
286 | NCR5380_init(instance, flags); | |
287 | ||
288 | instance->n_io_port = 255; | |
289 | ||
290 | ((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0; | |
291 | ||
292 | if (instance->irq != SCSI_IRQ_NONE) | |
dddaaf79 | 293 | if (request_irq(instance->irq, NCR5380_intr, 0, "ncr5380", instance)) { |
1da177e4 LT |
294 | printk(KERN_WARNING "scsi%d: IRQ%d not free, interrupts disabled\n", |
295 | instance->host_no, instance->irq); | |
296 | instance->irq = SCSI_IRQ_NONE; | |
297 | } | |
298 | ||
299 | printk(KERN_INFO "scsi%d: generic 5380 at port %lX irq", instance->host_no, instance->io_port); | |
300 | if (instance->irq == SCSI_IRQ_NONE) | |
301 | printk (KERN_INFO "s disabled"); | |
302 | else | |
303 | printk (KERN_INFO " %d", instance->irq); | |
304 | printk(KERN_INFO " options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d", | |
305 | instance->can_queue, instance->cmd_per_lun, MACSCSI_PUBLIC_RELEASE); | |
306 | printk(KERN_INFO "\nscsi%d:", instance->host_no); | |
307 | NCR5380_print_options(instance); | |
308 | printk("\n"); | |
309 | called = 1; | |
310 | return 1; | |
311 | } | |
312 | ||
313 | int macscsi_release (struct Scsi_Host *shpnt) | |
314 | { | |
315 | if (shpnt->irq != SCSI_IRQ_NONE) | |
1e641664 | 316 | free_irq(shpnt->irq, shpnt); |
1da177e4 LT |
317 | NCR5380_exit(shpnt); |
318 | ||
319 | return 0; | |
320 | } | |
321 | ||
322 | #ifdef RESET_BOOT | |
323 | /* | |
324 | * Our 'bus reset on boot' function | |
325 | */ | |
326 | ||
327 | static void mac_scsi_reset_boot(struct Scsi_Host *instance) | |
328 | { | |
329 | unsigned long end; | |
330 | ||
331 | NCR5380_local_declare(); | |
332 | NCR5380_setup(instance); | |
333 | ||
334 | /* | |
335 | * Do a SCSI reset to clean up the bus during initialization. No messing | |
336 | * with the queues, interrupts, or locks necessary here. | |
337 | */ | |
338 | ||
339 | printk(KERN_INFO "Macintosh SCSI: resetting the SCSI bus..." ); | |
340 | ||
1da177e4 LT |
341 | /* get in phase */ |
342 | NCR5380_write( TARGET_COMMAND_REG, | |
343 | PHASE_SR_TO_TCR( NCR5380_read(STATUS_REG) )); | |
344 | ||
345 | /* assert RST */ | |
346 | NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_RST ); | |
347 | /* The min. reset hold time is 25us, so 40us should be enough */ | |
348 | udelay( 50 ); | |
349 | /* reset RST and interrupt */ | |
350 | NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE ); | |
351 | NCR5380_read( RESET_PARITY_INTERRUPT_REG ); | |
352 | ||
353 | for( end = jiffies + AFTER_RESET_DELAY; time_before(jiffies, end); ) | |
354 | barrier(); | |
355 | ||
1da177e4 LT |
356 | printk(KERN_INFO " done\n" ); |
357 | } | |
358 | #endif | |
359 | ||
360 | const char * macscsi_info (struct Scsi_Host *spnt) { | |
361 | return ""; | |
362 | } | |
363 | ||
364 | /* | |
365 | Pseudo-DMA: (Ove Edlund) | |
366 | The code attempts to catch bus errors that occur if one for example | |
367 | "trips over the cable". | |
368 | XXX: Since bus errors in the PDMA routines never happen on my | |
369 | computer, the bus error code is untested. | |
370 | If the code works as intended, a bus error results in Pseudo-DMA | |
371 | beeing disabled, meaning that the driver switches to slow handshake. | |
372 | If bus errors are NOT extremely rare, this has to be changed. | |
373 | */ | |
374 | ||
375 | #define CP_IO_TO_MEM(s,d,len) \ | |
376 | __asm__ __volatile__ \ | |
377 | (" cmp.w #4,%2\n" \ | |
378 | " bls 8f\n" \ | |
379 | " move.w %1,%%d0\n" \ | |
380 | " neg.b %%d0\n" \ | |
381 | " and.w #3,%%d0\n" \ | |
382 | " sub.w %%d0,%2\n" \ | |
383 | " bra 2f\n" \ | |
384 | " 1: move.b (%0),(%1)+\n" \ | |
385 | " 2: dbf %%d0,1b\n" \ | |
386 | " move.w %2,%%d0\n" \ | |
387 | " lsr.w #5,%%d0\n" \ | |
388 | " bra 4f\n" \ | |
389 | " 3: move.l (%0),(%1)+\n" \ | |
390 | "31: move.l (%0),(%1)+\n" \ | |
391 | "32: move.l (%0),(%1)+\n" \ | |
392 | "33: move.l (%0),(%1)+\n" \ | |
393 | "34: move.l (%0),(%1)+\n" \ | |
394 | "35: move.l (%0),(%1)+\n" \ | |
395 | "36: move.l (%0),(%1)+\n" \ | |
396 | "37: move.l (%0),(%1)+\n" \ | |
397 | " 4: dbf %%d0,3b\n" \ | |
398 | " move.w %2,%%d0\n" \ | |
399 | " lsr.w #2,%%d0\n" \ | |
400 | " and.w #7,%%d0\n" \ | |
401 | " bra 6f\n" \ | |
402 | " 5: move.l (%0),(%1)+\n" \ | |
403 | " 6: dbf %%d0,5b\n" \ | |
404 | " and.w #3,%2\n" \ | |
405 | " bra 8f\n" \ | |
406 | " 7: move.b (%0),(%1)+\n" \ | |
407 | " 8: dbf %2,7b\n" \ | |
408 | " moveq.l #0, %2\n" \ | |
409 | " 9: \n" \ | |
410 | ".section .fixup,\"ax\"\n" \ | |
411 | " .even\n" \ | |
412 | "90: moveq.l #1, %2\n" \ | |
413 | " jra 9b\n" \ | |
414 | ".previous\n" \ | |
415 | ".section __ex_table,\"a\"\n" \ | |
416 | " .align 4\n" \ | |
417 | " .long 1b,90b\n" \ | |
418 | " .long 3b,90b\n" \ | |
419 | " .long 31b,90b\n" \ | |
420 | " .long 32b,90b\n" \ | |
421 | " .long 33b,90b\n" \ | |
422 | " .long 34b,90b\n" \ | |
423 | " .long 35b,90b\n" \ | |
424 | " .long 36b,90b\n" \ | |
425 | " .long 37b,90b\n" \ | |
426 | " .long 5b,90b\n" \ | |
427 | " .long 7b,90b\n" \ | |
428 | ".previous" \ | |
429 | : "=a"(s), "=a"(d), "=d"(len) \ | |
430 | : "0"(s), "1"(d), "2"(len) \ | |
431 | : "d0") | |
432 | ||
433 | ||
434 | static int macscsi_pread (struct Scsi_Host *instance, | |
435 | unsigned char *dst, int len) | |
436 | { | |
437 | unsigned char *d; | |
438 | volatile unsigned char *s; | |
439 | ||
440 | NCR5380_local_declare(); | |
441 | NCR5380_setup(instance); | |
442 | ||
443 | s = mac_scsi_drq+0x60; | |
444 | d = dst; | |
445 | ||
446 | /* These conditions are derived from MacOS */ | |
447 | ||
448 | while (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ) | |
449 | && !(NCR5380_read(STATUS_REG) & SR_REQ)) | |
450 | ; | |
451 | if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ) | |
452 | && (NCR5380_read(BUS_AND_STATUS_REG) & BASR_PHASE_MATCH)) { | |
453 | printk(KERN_ERR "Error in macscsi_pread\n"); | |
454 | return -1; | |
455 | } | |
456 | ||
457 | CP_IO_TO_MEM(s, d, len); | |
458 | ||
459 | if (len != 0) { | |
460 | printk(KERN_NOTICE "Bus error in macscsi_pread\n"); | |
461 | return -1; | |
462 | } | |
463 | ||
464 | return 0; | |
465 | } | |
466 | ||
467 | ||
468 | #define CP_MEM_TO_IO(s,d,len) \ | |
469 | __asm__ __volatile__ \ | |
470 | (" cmp.w #4,%2\n" \ | |
471 | " bls 8f\n" \ | |
472 | " move.w %0,%%d0\n" \ | |
473 | " neg.b %%d0\n" \ | |
474 | " and.w #3,%%d0\n" \ | |
475 | " sub.w %%d0,%2\n" \ | |
476 | " bra 2f\n" \ | |
477 | " 1: move.b (%0)+,(%1)\n" \ | |
478 | " 2: dbf %%d0,1b\n" \ | |
479 | " move.w %2,%%d0\n" \ | |
480 | " lsr.w #5,%%d0\n" \ | |
481 | " bra 4f\n" \ | |
482 | " 3: move.l (%0)+,(%1)\n" \ | |
483 | "31: move.l (%0)+,(%1)\n" \ | |
484 | "32: move.l (%0)+,(%1)\n" \ | |
485 | "33: move.l (%0)+,(%1)\n" \ | |
486 | "34: move.l (%0)+,(%1)\n" \ | |
487 | "35: move.l (%0)+,(%1)\n" \ | |
488 | "36: move.l (%0)+,(%1)\n" \ | |
489 | "37: move.l (%0)+,(%1)\n" \ | |
490 | " 4: dbf %%d0,3b\n" \ | |
491 | " move.w %2,%%d0\n" \ | |
492 | " lsr.w #2,%%d0\n" \ | |
493 | " and.w #7,%%d0\n" \ | |
494 | " bra 6f\n" \ | |
495 | " 5: move.l (%0)+,(%1)\n" \ | |
496 | " 6: dbf %%d0,5b\n" \ | |
497 | " and.w #3,%2\n" \ | |
498 | " bra 8f\n" \ | |
499 | " 7: move.b (%0)+,(%1)\n" \ | |
500 | " 8: dbf %2,7b\n" \ | |
501 | " moveq.l #0, %2\n" \ | |
502 | " 9: \n" \ | |
503 | ".section .fixup,\"ax\"\n" \ | |
504 | " .even\n" \ | |
505 | "90: moveq.l #1, %2\n" \ | |
506 | " jra 9b\n" \ | |
507 | ".previous\n" \ | |
508 | ".section __ex_table,\"a\"\n" \ | |
509 | " .align 4\n" \ | |
510 | " .long 1b,90b\n" \ | |
511 | " .long 3b,90b\n" \ | |
512 | " .long 31b,90b\n" \ | |
513 | " .long 32b,90b\n" \ | |
514 | " .long 33b,90b\n" \ | |
515 | " .long 34b,90b\n" \ | |
516 | " .long 35b,90b\n" \ | |
517 | " .long 36b,90b\n" \ | |
518 | " .long 37b,90b\n" \ | |
519 | " .long 5b,90b\n" \ | |
520 | " .long 7b,90b\n" \ | |
521 | ".previous" \ | |
522 | : "=a"(s), "=a"(d), "=d"(len) \ | |
523 | : "0"(s), "1"(d), "2"(len) \ | |
524 | : "d0") | |
525 | ||
526 | static int macscsi_pwrite (struct Scsi_Host *instance, | |
527 | unsigned char *src, int len) | |
528 | { | |
529 | unsigned char *s; | |
530 | volatile unsigned char *d; | |
531 | ||
532 | NCR5380_local_declare(); | |
533 | NCR5380_setup(instance); | |
534 | ||
535 | s = src; | |
536 | d = mac_scsi_drq; | |
537 | ||
538 | /* These conditions are derived from MacOS */ | |
539 | ||
540 | while (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ) | |
541 | && (!(NCR5380_read(STATUS_REG) & SR_REQ) | |
542 | || (NCR5380_read(BUS_AND_STATUS_REG) & BASR_PHASE_MATCH))) | |
543 | ; | |
544 | if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ)) { | |
545 | printk(KERN_ERR "Error in macscsi_pwrite\n"); | |
546 | return -1; | |
547 | } | |
548 | ||
549 | CP_MEM_TO_IO(s, d, len); | |
550 | ||
551 | if (len != 0) { | |
552 | printk(KERN_NOTICE "Bus error in macscsi_pwrite\n"); | |
553 | return -1; | |
554 | } | |
555 | ||
556 | return 0; | |
557 | } | |
558 | ||
559 | ||
1da177e4 LT |
560 | #include "NCR5380.c" |
561 | ||
d0be4a7d | 562 | static struct scsi_host_template driver_template = { |
1da177e4 | 563 | .proc_name = "Mac5380", |
dd7ab71b AV |
564 | .show_info = macscsi_show_info, |
565 | .write_info = macscsi_write_info, | |
1da177e4 LT |
566 | .name = "Macintosh NCR5380 SCSI", |
567 | .detect = macscsi_detect, | |
568 | .release = macscsi_release, | |
569 | .info = macscsi_info, | |
570 | .queuecommand = macscsi_queue_command, | |
571 | .eh_abort_handler = macscsi_abort, | |
572 | .eh_bus_reset_handler = macscsi_bus_reset, | |
1da177e4 LT |
573 | .can_queue = CAN_QUEUE, |
574 | .this_id = 7, | |
575 | .sg_tablesize = SG_ALL, | |
576 | .cmd_per_lun = CMD_PER_LUN, | |
1da177e4 LT |
577 | .use_clustering = DISABLE_CLUSTERING |
578 | }; | |
579 | ||
580 | ||
581 | #include "scsi_module.c" |