Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/drivers/acorn/scsi/cumana_2.c | |
3 | * | |
4 | * Copyright (C) 1997-2005 Russell King | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * Changelog: | |
11 | * 30-08-1997 RMK 0.0.0 Created, READONLY version. | |
12 | * 22-01-1998 RMK 0.0.1 Updated to 2.1.80. | |
13 | * 15-04-1998 RMK 0.0.1 Only do PIO if FAS216 will allow it. | |
14 | * 02-05-1998 RMK 0.0.2 Updated & added DMA support. | |
15 | * 27-06-1998 RMK Changed asm/delay.h to linux/delay.h | |
16 | * 18-08-1998 RMK 0.0.3 Fixed synchronous transfer depth. | |
17 | * 02-04-2000 RMK 0.0.4 Updated for new error handling code. | |
18 | */ | |
19 | #include <linux/module.h> | |
20 | #include <linux/blkdev.h> | |
21 | #include <linux/kernel.h> | |
22 | #include <linux/string.h> | |
23 | #include <linux/ioport.h> | |
24 | #include <linux/sched.h> | |
25 | #include <linux/proc_fs.h> | |
26 | #include <linux/delay.h> | |
27 | #include <linux/interrupt.h> | |
28 | #include <linux/init.h> | |
29 | #include <linux/dma-mapping.h> | |
30 | ||
31 | #include <asm/dma.h> | |
32 | #include <asm/ecard.h> | |
33 | #include <asm/io.h> | |
34 | #include <asm/irq.h> | |
35 | #include <asm/pgtable.h> | |
36 | ||
37 | #include "../scsi.h" | |
38 | #include <scsi/scsi_host.h> | |
39 | #include "fas216.h" | |
40 | #include "scsi.h" | |
41 | ||
42 | #include <scsi/scsicam.h> | |
43 | ||
44 | #define CUMANASCSI2_STATUS (0x0000) | |
45 | #define STATUS_INT (1 << 0) | |
46 | #define STATUS_DRQ (1 << 1) | |
47 | #define STATUS_LATCHED (1 << 3) | |
48 | ||
49 | #define CUMANASCSI2_ALATCH (0x0014) | |
50 | #define ALATCH_ENA_INT (3) | |
51 | #define ALATCH_DIS_INT (2) | |
52 | #define ALATCH_ENA_TERM (5) | |
53 | #define ALATCH_DIS_TERM (4) | |
54 | #define ALATCH_ENA_BIT32 (11) | |
55 | #define ALATCH_DIS_BIT32 (10) | |
56 | #define ALATCH_ENA_DMA (13) | |
57 | #define ALATCH_DIS_DMA (12) | |
58 | #define ALATCH_DMA_OUT (15) | |
59 | #define ALATCH_DMA_IN (14) | |
60 | ||
61 | #define CUMANASCSI2_PSEUDODMA (0x0200) | |
62 | ||
63 | #define CUMANASCSI2_FAS216_OFFSET (0x0300) | |
64 | #define CUMANASCSI2_FAS216_SHIFT 2 | |
65 | ||
66 | /* | |
67 | * Version | |
68 | */ | |
69 | #define VERSION "1.00 (13/11/2002 2.5.47)" | |
70 | ||
71 | /* | |
72 | * Use term=0,1,0,0,0 to turn terminators on/off | |
73 | */ | |
74 | static int term[MAX_ECARDS] = { 1, 1, 1, 1, 1, 1, 1, 1 }; | |
75 | ||
76 | #define NR_SG 256 | |
77 | ||
78 | struct cumanascsi2_info { | |
79 | FAS216_Info info; | |
80 | struct expansion_card *ec; | |
81 | void __iomem *base; | |
82 | unsigned int terms; /* Terminator state */ | |
83 | struct scatterlist sg[NR_SG]; /* Scatter DMA list */ | |
84 | }; | |
85 | ||
86 | #define CSTATUS_IRQ (1 << 0) | |
87 | #define CSTATUS_DRQ (1 << 1) | |
88 | ||
89 | /* Prototype: void cumanascsi_2_irqenable(ec, irqnr) | |
90 | * Purpose : Enable interrupts on Cumana SCSI 2 card | |
91 | * Params : ec - expansion card structure | |
92 | * : irqnr - interrupt number | |
93 | */ | |
94 | static void | |
95 | cumanascsi_2_irqenable(struct expansion_card *ec, int irqnr) | |
96 | { | |
97 | struct cumanascsi2_info *info = ec->irq_data; | |
98 | writeb(ALATCH_ENA_INT, info->base + CUMANASCSI2_ALATCH); | |
99 | } | |
100 | ||
101 | /* Prototype: void cumanascsi_2_irqdisable(ec, irqnr) | |
102 | * Purpose : Disable interrupts on Cumana SCSI 2 card | |
103 | * Params : ec - expansion card structure | |
104 | * : irqnr - interrupt number | |
105 | */ | |
106 | static void | |
107 | cumanascsi_2_irqdisable(struct expansion_card *ec, int irqnr) | |
108 | { | |
109 | struct cumanascsi2_info *info = ec->irq_data; | |
110 | writeb(ALATCH_DIS_INT, info->base + CUMANASCSI2_ALATCH); | |
111 | } | |
112 | ||
113 | static const expansioncard_ops_t cumanascsi_2_ops = { | |
114 | .irqenable = cumanascsi_2_irqenable, | |
115 | .irqdisable = cumanascsi_2_irqdisable, | |
116 | }; | |
117 | ||
118 | /* Prototype: void cumanascsi_2_terminator_ctl(host, on_off) | |
119 | * Purpose : Turn the Cumana SCSI 2 terminators on or off | |
120 | * Params : host - card to turn on/off | |
121 | * : on_off - !0 to turn on, 0 to turn off | |
122 | */ | |
123 | static void | |
124 | cumanascsi_2_terminator_ctl(struct Scsi_Host *host, int on_off) | |
125 | { | |
126 | struct cumanascsi2_info *info = (struct cumanascsi2_info *)host->hostdata; | |
127 | ||
128 | if (on_off) { | |
129 | info->terms = 1; | |
130 | writeb(ALATCH_ENA_TERM, info->base + CUMANASCSI2_ALATCH); | |
131 | } else { | |
132 | info->terms = 0; | |
133 | writeb(ALATCH_DIS_TERM, info->base + CUMANASCSI2_ALATCH); | |
134 | } | |
135 | } | |
136 | ||
137 | /* Prototype: void cumanascsi_2_intr(irq, *dev_id, *regs) | |
138 | * Purpose : handle interrupts from Cumana SCSI 2 card | |
139 | * Params : irq - interrupt number | |
140 | * dev_id - user-defined (Scsi_Host structure) | |
141 | * regs - processor registers at interrupt | |
142 | */ | |
143 | static irqreturn_t | |
144 | cumanascsi_2_intr(int irq, void *dev_id, struct pt_regs *regs) | |
145 | { | |
146 | struct cumanascsi2_info *info = dev_id; | |
147 | ||
148 | return fas216_intr(&info->info); | |
149 | } | |
150 | ||
151 | /* Prototype: fasdmatype_t cumanascsi_2_dma_setup(host, SCpnt, direction, min_type) | |
152 | * Purpose : initialises DMA/PIO | |
153 | * Params : host - host | |
154 | * SCpnt - command | |
155 | * direction - DMA on to/off of card | |
156 | * min_type - minimum DMA support that we must have for this transfer | |
157 | * Returns : type of transfer to be performed | |
158 | */ | |
159 | static fasdmatype_t | |
160 | cumanascsi_2_dma_setup(struct Scsi_Host *host, Scsi_Pointer *SCp, | |
161 | fasdmadir_t direction, fasdmatype_t min_type) | |
162 | { | |
163 | struct cumanascsi2_info *info = (struct cumanascsi2_info *)host->hostdata; | |
164 | struct device *dev = scsi_get_device(host); | |
165 | int dmach = info->info.scsi.dma; | |
166 | ||
167 | writeb(ALATCH_DIS_DMA, info->base + CUMANASCSI2_ALATCH); | |
168 | ||
169 | if (dmach != NO_DMA && | |
170 | (min_type == fasdma_real_all || SCp->this_residual >= 512)) { | |
171 | int bufs, map_dir, dma_dir, alatch_dir; | |
172 | ||
173 | bufs = copy_SCp_to_sg(&info->sg[0], SCp, NR_SG); | |
174 | ||
175 | if (direction == DMA_OUT) | |
176 | map_dir = DMA_TO_DEVICE, | |
177 | dma_dir = DMA_MODE_WRITE, | |
178 | alatch_dir = ALATCH_DMA_OUT; | |
179 | else | |
180 | map_dir = DMA_FROM_DEVICE, | |
181 | dma_dir = DMA_MODE_READ, | |
182 | alatch_dir = ALATCH_DMA_IN; | |
183 | ||
184 | dma_map_sg(dev, info->sg, bufs + 1, map_dir); | |
185 | ||
186 | disable_dma(dmach); | |
187 | set_dma_sg(dmach, info->sg, bufs + 1); | |
188 | writeb(alatch_dir, info->base + CUMANASCSI2_ALATCH); | |
189 | set_dma_mode(dmach, dma_dir); | |
190 | enable_dma(dmach); | |
191 | writeb(ALATCH_ENA_DMA, info->base + CUMANASCSI2_ALATCH); | |
192 | writeb(ALATCH_DIS_BIT32, info->base + CUMANASCSI2_ALATCH); | |
193 | return fasdma_real_all; | |
194 | } | |
195 | ||
196 | /* | |
197 | * If we're not doing DMA, | |
198 | * we'll do pseudo DMA | |
199 | */ | |
200 | return fasdma_pio; | |
201 | } | |
202 | ||
203 | /* | |
204 | * Prototype: void cumanascsi_2_dma_pseudo(host, SCpnt, direction, transfer) | |
205 | * Purpose : handles pseudo DMA | |
206 | * Params : host - host | |
207 | * SCpnt - command | |
208 | * direction - DMA on to/off of card | |
209 | * transfer - minimum number of bytes we expect to transfer | |
210 | */ | |
211 | static void | |
212 | cumanascsi_2_dma_pseudo(struct Scsi_Host *host, Scsi_Pointer *SCp, | |
213 | fasdmadir_t direction, int transfer) | |
214 | { | |
215 | struct cumanascsi2_info *info = (struct cumanascsi2_info *)host->hostdata; | |
216 | unsigned int length; | |
217 | unsigned char *addr; | |
218 | ||
219 | length = SCp->this_residual; | |
220 | addr = SCp->ptr; | |
221 | ||
222 | if (direction == DMA_OUT) | |
223 | #if 0 | |
224 | while (length > 1) { | |
225 | unsigned long word; | |
226 | unsigned int status = readb(info->base + CUMANASCSI2_STATUS); | |
227 | ||
228 | if (status & STATUS_INT) | |
229 | goto end; | |
230 | ||
231 | if (!(status & STATUS_DRQ)) | |
232 | continue; | |
233 | ||
234 | word = *addr | *(addr + 1) << 8; | |
235 | writew(word, info->base + CUMANASCSI2_PSEUDODMA); | |
236 | addr += 2; | |
237 | length -= 2; | |
238 | } | |
239 | #else | |
240 | printk ("PSEUDO_OUT???\n"); | |
241 | #endif | |
242 | else { | |
243 | if (transfer && (transfer & 255)) { | |
244 | while (length >= 256) { | |
245 | unsigned int status = readb(info->base + CUMANASCSI2_STATUS); | |
246 | ||
247 | if (status & STATUS_INT) | |
248 | return; | |
249 | ||
250 | if (!(status & STATUS_DRQ)) | |
251 | continue; | |
252 | ||
253 | readsw(info->base + CUMANASCSI2_PSEUDODMA, | |
254 | addr, 256 >> 1); | |
255 | addr += 256; | |
256 | length -= 256; | |
257 | } | |
258 | } | |
259 | ||
260 | while (length > 0) { | |
261 | unsigned long word; | |
262 | unsigned int status = readb(info->base + CUMANASCSI2_STATUS); | |
263 | ||
264 | if (status & STATUS_INT) | |
265 | return; | |
266 | ||
267 | if (!(status & STATUS_DRQ)) | |
268 | continue; | |
269 | ||
270 | word = readw(info->base + CUMANASCSI2_PSEUDODMA); | |
271 | *addr++ = word; | |
272 | if (--length > 0) { | |
273 | *addr++ = word >> 8; | |
274 | length --; | |
275 | } | |
276 | } | |
277 | } | |
278 | } | |
279 | ||
280 | /* Prototype: int cumanascsi_2_dma_stop(host, SCpnt) | |
281 | * Purpose : stops DMA/PIO | |
282 | * Params : host - host | |
283 | * SCpnt - command | |
284 | */ | |
285 | static void | |
286 | cumanascsi_2_dma_stop(struct Scsi_Host *host, Scsi_Pointer *SCp) | |
287 | { | |
288 | struct cumanascsi2_info *info = (struct cumanascsi2_info *)host->hostdata; | |
289 | if (info->info.scsi.dma != NO_DMA) { | |
290 | writeb(ALATCH_DIS_DMA, info->base + CUMANASCSI2_ALATCH); | |
291 | disable_dma(info->info.scsi.dma); | |
292 | } | |
293 | } | |
294 | ||
295 | /* Prototype: const char *cumanascsi_2_info(struct Scsi_Host * host) | |
296 | * Purpose : returns a descriptive string about this interface, | |
297 | * Params : host - driver host structure to return info for. | |
298 | * Returns : pointer to a static buffer containing null terminated string. | |
299 | */ | |
300 | const char *cumanascsi_2_info(struct Scsi_Host *host) | |
301 | { | |
302 | struct cumanascsi2_info *info = (struct cumanascsi2_info *)host->hostdata; | |
303 | static char string[150]; | |
304 | ||
305 | sprintf(string, "%s (%s) in slot %d v%s terminators o%s", | |
306 | host->hostt->name, info->info.scsi.type, info->ec->slot_no, | |
307 | VERSION, info->terms ? "n" : "ff"); | |
308 | ||
309 | return string; | |
310 | } | |
311 | ||
312 | /* Prototype: int cumanascsi_2_set_proc_info(struct Scsi_Host *host, char *buffer, int length) | |
313 | * Purpose : Set a driver specific function | |
314 | * Params : host - host to setup | |
315 | * : buffer - buffer containing string describing operation | |
316 | * : length - length of string | |
317 | * Returns : -EINVAL, or 0 | |
318 | */ | |
319 | static int | |
320 | cumanascsi_2_set_proc_info(struct Scsi_Host *host, char *buffer, int length) | |
321 | { | |
322 | int ret = length; | |
323 | ||
324 | if (length >= 11 && strcmp(buffer, "CUMANASCSI2") == 0) { | |
325 | buffer += 11; | |
326 | length -= 11; | |
327 | ||
328 | if (length >= 5 && strncmp(buffer, "term=", 5) == 0) { | |
329 | if (buffer[5] == '1') | |
330 | cumanascsi_2_terminator_ctl(host, 1); | |
331 | else if (buffer[5] == '0') | |
332 | cumanascsi_2_terminator_ctl(host, 0); | |
333 | else | |
334 | ret = -EINVAL; | |
335 | } else | |
336 | ret = -EINVAL; | |
337 | } else | |
338 | ret = -EINVAL; | |
339 | ||
340 | return ret; | |
341 | } | |
342 | ||
343 | /* Prototype: int cumanascsi_2_proc_info(char *buffer, char **start, off_t offset, | |
344 | * int length, int host_no, int inout) | |
345 | * Purpose : Return information about the driver to a user process accessing | |
346 | * the /proc filesystem. | |
347 | * Params : buffer - a buffer to write information to | |
348 | * start - a pointer into this buffer set by this routine to the start | |
349 | * of the required information. | |
350 | * offset - offset into information that we have read upto. | |
351 | * length - length of buffer | |
352 | * host_no - host number to return information for | |
353 | * inout - 0 for reading, 1 for writing. | |
354 | * Returns : length of data written to buffer. | |
355 | */ | |
356 | int cumanascsi_2_proc_info (struct Scsi_Host *host, char *buffer, char **start, off_t offset, | |
357 | int length, int inout) | |
358 | { | |
359 | struct cumanascsi2_info *info; | |
360 | char *p = buffer; | |
361 | int pos; | |
362 | ||
363 | if (inout == 1) | |
364 | return cumanascsi_2_set_proc_info(host, buffer, length); | |
365 | ||
366 | info = (struct cumanascsi2_info *)host->hostdata; | |
367 | ||
368 | p += sprintf(p, "Cumana SCSI II driver v%s\n", VERSION); | |
369 | p += fas216_print_host(&info->info, p); | |
370 | p += sprintf(p, "Term : o%s\n", | |
371 | info->terms ? "n" : "ff"); | |
372 | ||
373 | p += fas216_print_stats(&info->info, p); | |
374 | p += fas216_print_devices(&info->info, p); | |
375 | ||
376 | *start = buffer + offset; | |
377 | pos = p - buffer - offset; | |
378 | if (pos > length) | |
379 | pos = length; | |
380 | ||
381 | return pos; | |
382 | } | |
383 | ||
d0be4a7d | 384 | static struct scsi_host_template cumanascsi2_template = { |
1da177e4 LT |
385 | .module = THIS_MODULE, |
386 | .proc_info = cumanascsi_2_proc_info, | |
387 | .name = "Cumana SCSI II", | |
388 | .info = cumanascsi_2_info, | |
389 | .queuecommand = fas216_queue_command, | |
390 | .eh_host_reset_handler = fas216_eh_host_reset, | |
391 | .eh_bus_reset_handler = fas216_eh_bus_reset, | |
392 | .eh_device_reset_handler = fas216_eh_device_reset, | |
393 | .eh_abort_handler = fas216_eh_abort, | |
394 | .can_queue = 1, | |
395 | .this_id = 7, | |
396 | .sg_tablesize = SG_ALL, | |
397 | .cmd_per_lun = 1, | |
398 | .use_clustering = DISABLE_CLUSTERING, | |
399 | .proc_name = "cumanascsi2", | |
400 | }; | |
401 | ||
402 | static int __devinit | |
403 | cumanascsi2_probe(struct expansion_card *ec, const struct ecard_id *id) | |
404 | { | |
405 | struct Scsi_Host *host; | |
406 | struct cumanascsi2_info *info; | |
407 | unsigned long resbase, reslen; | |
408 | void __iomem *base; | |
409 | int ret; | |
410 | ||
411 | ret = ecard_request_resources(ec); | |
412 | if (ret) | |
413 | goto out; | |
414 | ||
415 | resbase = ecard_resource_start(ec, ECARD_RES_MEMC); | |
416 | reslen = ecard_resource_len(ec, ECARD_RES_MEMC); | |
417 | base = ioremap(resbase, reslen); | |
418 | if (!base) { | |
419 | ret = -ENOMEM; | |
420 | goto out_region; | |
421 | } | |
422 | ||
423 | host = scsi_host_alloc(&cumanascsi2_template, | |
424 | sizeof(struct cumanascsi2_info)); | |
425 | if (!host) { | |
426 | ret = -ENOMEM; | |
427 | goto out_unmap; | |
428 | } | |
429 | ||
430 | ecard_set_drvdata(ec, host); | |
431 | ||
432 | info = (struct cumanascsi2_info *)host->hostdata; | |
433 | info->ec = ec; | |
434 | info->base = base; | |
435 | ||
436 | cumanascsi_2_terminator_ctl(host, term[ec->slot_no]); | |
437 | ||
438 | info->info.scsi.io_base = base + CUMANASCSI2_FAS216_OFFSET; | |
439 | info->info.scsi.io_shift = CUMANASCSI2_FAS216_SHIFT; | |
440 | info->info.scsi.irq = ec->irq; | |
441 | info->info.scsi.dma = ec->dma; | |
442 | info->info.ifcfg.clockrate = 40; /* MHz */ | |
443 | info->info.ifcfg.select_timeout = 255; | |
444 | info->info.ifcfg.asyncperiod = 200; /* ns */ | |
445 | info->info.ifcfg.sync_max_depth = 7; | |
446 | info->info.ifcfg.cntl3 = CNTL3_BS8 | CNTL3_FASTSCSI | CNTL3_FASTCLK; | |
447 | info->info.ifcfg.disconnect_ok = 1; | |
448 | info->info.ifcfg.wide_max_size = 0; | |
449 | info->info.ifcfg.capabilities = FASCAP_PSEUDODMA; | |
450 | info->info.dma.setup = cumanascsi_2_dma_setup; | |
451 | info->info.dma.pseudo = cumanascsi_2_dma_pseudo; | |
452 | info->info.dma.stop = cumanascsi_2_dma_stop; | |
453 | ||
454 | ec->irqaddr = info->base + CUMANASCSI2_STATUS; | |
455 | ec->irqmask = STATUS_INT; | |
456 | ec->irq_data = info; | |
457 | ec->ops = &cumanascsi_2_ops; | |
458 | ||
459 | ret = fas216_init(host); | |
460 | if (ret) | |
461 | goto out_free; | |
462 | ||
463 | ret = request_irq(ec->irq, cumanascsi_2_intr, | |
464 | SA_INTERRUPT, "cumanascsi2", info); | |
465 | if (ret) { | |
466 | printk("scsi%d: IRQ%d not free: %d\n", | |
467 | host->host_no, ec->irq, ret); | |
468 | goto out_release; | |
469 | } | |
470 | ||
471 | if (info->info.scsi.dma != NO_DMA) { | |
472 | if (request_dma(info->info.scsi.dma, "cumanascsi2")) { | |
473 | printk("scsi%d: DMA%d not free, using PIO\n", | |
474 | host->host_no, info->info.scsi.dma); | |
475 | info->info.scsi.dma = NO_DMA; | |
476 | } else { | |
477 | set_dma_speed(info->info.scsi.dma, 180); | |
478 | info->info.ifcfg.capabilities |= FASCAP_DMA; | |
479 | } | |
480 | } | |
481 | ||
482 | ret = fas216_add(host, &ec->dev); | |
483 | if (ret == 0) | |
484 | goto out; | |
485 | ||
486 | if (info->info.scsi.dma != NO_DMA) | |
487 | free_dma(info->info.scsi.dma); | |
488 | free_irq(ec->irq, host); | |
489 | ||
490 | out_release: | |
491 | fas216_release(host); | |
492 | ||
493 | out_free: | |
494 | scsi_host_put(host); | |
495 | ||
496 | out_unmap: | |
497 | iounmap(base); | |
498 | ||
499 | out_region: | |
500 | ecard_release_resources(ec); | |
501 | ||
502 | out: | |
503 | return ret; | |
504 | } | |
505 | ||
506 | static void __devexit cumanascsi2_remove(struct expansion_card *ec) | |
507 | { | |
508 | struct Scsi_Host *host = ecard_get_drvdata(ec); | |
509 | struct cumanascsi2_info *info = (struct cumanascsi2_info *)host->hostdata; | |
510 | ||
511 | ecard_set_drvdata(ec, NULL); | |
512 | fas216_remove(host); | |
513 | ||
514 | if (info->info.scsi.dma != NO_DMA) | |
515 | free_dma(info->info.scsi.dma); | |
516 | free_irq(ec->irq, info); | |
517 | ||
518 | iounmap(info->base); | |
519 | ||
520 | fas216_release(host); | |
521 | scsi_host_put(host); | |
522 | ecard_release_resources(ec); | |
523 | } | |
524 | ||
525 | static const struct ecard_id cumanascsi2_cids[] = { | |
526 | { MANU_CUMANA, PROD_CUMANA_SCSI_2 }, | |
527 | { 0xffff, 0xffff }, | |
528 | }; | |
529 | ||
530 | static struct ecard_driver cumanascsi2_driver = { | |
531 | .probe = cumanascsi2_probe, | |
532 | .remove = __devexit_p(cumanascsi2_remove), | |
533 | .id_table = cumanascsi2_cids, | |
534 | .drv = { | |
535 | .name = "cumanascsi2", | |
536 | }, | |
537 | }; | |
538 | ||
539 | static int __init cumanascsi2_init(void) | |
540 | { | |
541 | return ecard_register_driver(&cumanascsi2_driver); | |
542 | } | |
543 | ||
544 | static void __exit cumanascsi2_exit(void) | |
545 | { | |
546 | ecard_remove_driver(&cumanascsi2_driver); | |
547 | } | |
548 | ||
549 | module_init(cumanascsi2_init); | |
550 | module_exit(cumanascsi2_exit); | |
551 | ||
552 | MODULE_AUTHOR("Russell King"); | |
553 | MODULE_DESCRIPTION("Cumana SCSI-2 driver for Acorn machines"); | |
554 | MODULE_PARM(term, "1-8i"); | |
555 | MODULE_PARM_DESC(term, "SCSI bus termination"); | |
556 | MODULE_LICENSE("GPL"); |