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1da177e4 | 1 | /* Driver for Freecom USB/IDE adaptor |
1da177e4 LT |
2 | * |
3 | * Freecom v0.1: | |
4 | * | |
5 | * First release | |
6 | * | |
7 | * Current development and maintenance by: | |
8 | * (C) 2000 David Brown <usb-storage@davidb.org> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the | |
12 | * Free Software Foundation; either version 2, or (at your option) any | |
13 | * later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License along | |
21 | * with this program; if not, write to the Free Software Foundation, Inc., | |
22 | * 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | * | |
24 | * This driver was developed with information provided in FREECOM's USB | |
25 | * Programmers Reference Guide. For further information contact Freecom | |
26 | * (http://www.freecom.de/) | |
27 | */ | |
28 | ||
0d62939f | 29 | #include <linux/module.h> |
1da177e4 LT |
30 | #include <scsi/scsi.h> |
31 | #include <scsi/scsi_cmnd.h> | |
32 | ||
33 | #include "usb.h" | |
34 | #include "transport.h" | |
35 | #include "protocol.h" | |
36 | #include "debug.h" | |
1da177e4 | 37 | |
4246b06a MG |
38 | MODULE_DESCRIPTION("Driver for Freecom USB/IDE adaptor"); |
39 | MODULE_AUTHOR("David Brown <usb-storage@davidb.org>"); | |
40 | MODULE_LICENSE("GPL"); | |
41 | ||
1da177e4 LT |
42 | #ifdef CONFIG_USB_STORAGE_DEBUG |
43 | static void pdump (void *, int); | |
44 | #endif | |
45 | ||
46 | /* Bits of HD_STATUS */ | |
47 | #define ERR_STAT 0x01 | |
48 | #define DRQ_STAT 0x08 | |
49 | ||
50 | /* All of the outgoing packets are 64 bytes long. */ | |
51 | struct freecom_cb_wrap { | |
52 | u8 Type; /* Command type. */ | |
53 | u8 Timeout; /* Timeout in seconds. */ | |
54 | u8 Atapi[12]; /* An ATAPI packet. */ | |
55 | u8 Filler[50]; /* Padding Data. */ | |
56 | }; | |
57 | ||
58 | struct freecom_xfer_wrap { | |
59 | u8 Type; /* Command type. */ | |
60 | u8 Timeout; /* Timeout in seconds. */ | |
61 | __le32 Count; /* Number of bytes to transfer. */ | |
62 | u8 Pad[58]; | |
63 | } __attribute__ ((packed)); | |
64 | ||
65 | struct freecom_ide_out { | |
66 | u8 Type; /* Type + IDE register. */ | |
67 | u8 Pad; | |
68 | __le16 Value; /* Value to write. */ | |
69 | u8 Pad2[60]; | |
70 | }; | |
71 | ||
72 | struct freecom_ide_in { | |
73 | u8 Type; /* Type | IDE register. */ | |
74 | u8 Pad[63]; | |
75 | }; | |
76 | ||
77 | struct freecom_status { | |
78 | u8 Status; | |
79 | u8 Reason; | |
80 | __le16 Count; | |
81 | u8 Pad[60]; | |
82 | }; | |
83 | ||
84 | /* Freecom stuffs the interrupt status in the INDEX_STAT bit of the ide | |
85 | * register. */ | |
86 | #define FCM_INT_STATUS 0x02 /* INDEX_STAT */ | |
87 | #define FCM_STATUS_BUSY 0x80 | |
88 | ||
89 | /* These are the packet types. The low bit indicates that this command | |
90 | * should wait for an interrupt. */ | |
91 | #define FCM_PACKET_ATAPI 0x21 | |
92 | #define FCM_PACKET_STATUS 0x20 | |
93 | ||
94 | /* Receive data from the IDE interface. The ATAPI packet has already | |
95 | * waited, so the data should be immediately available. */ | |
96 | #define FCM_PACKET_INPUT 0x81 | |
97 | ||
98 | /* Send data to the IDE interface. */ | |
99 | #define FCM_PACKET_OUTPUT 0x01 | |
100 | ||
101 | /* Write a value to an ide register. Or the ide register to write after | |
102 | * munging the address a bit. */ | |
103 | #define FCM_PACKET_IDE_WRITE 0x40 | |
104 | #define FCM_PACKET_IDE_READ 0xC0 | |
105 | ||
106 | /* All packets (except for status) are 64 bytes long. */ | |
107 | #define FCM_PACKET_LENGTH 64 | |
108 | #define FCM_STATUS_PACKET_LENGTH 4 | |
109 | ||
0d62939f AS |
110 | static int init_freecom(struct us_data *us); |
111 | ||
112 | ||
113 | /* | |
114 | * The table of devices | |
115 | */ | |
116 | #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ | |
117 | vendorName, productName, useProtocol, useTransport, \ | |
118 | initFunction, flags) \ | |
119 | { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ | |
120 | .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } | |
121 | ||
122 | struct usb_device_id freecom_usb_ids[] = { | |
123 | # include "unusual_freecom.h" | |
124 | { } /* Terminating entry */ | |
125 | }; | |
126 | MODULE_DEVICE_TABLE(usb, freecom_usb_ids); | |
127 | ||
128 | #undef UNUSUAL_DEV | |
129 | ||
130 | /* | |
131 | * The flags table | |
132 | */ | |
133 | #define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \ | |
134 | vendor_name, product_name, use_protocol, use_transport, \ | |
135 | init_function, Flags) \ | |
136 | { \ | |
137 | .vendorName = vendor_name, \ | |
138 | .productName = product_name, \ | |
139 | .useProtocol = use_protocol, \ | |
140 | .useTransport = use_transport, \ | |
141 | .initFunction = init_function, \ | |
142 | } | |
143 | ||
144 | static struct us_unusual_dev freecom_unusual_dev_list[] = { | |
145 | # include "unusual_freecom.h" | |
146 | { } /* Terminating entry */ | |
147 | }; | |
148 | ||
149 | #undef UNUSUAL_DEV | |
150 | ||
1da177e4 LT |
151 | static int |
152 | freecom_readdata (struct scsi_cmnd *srb, struct us_data *us, | |
153 | unsigned int ipipe, unsigned int opipe, int count) | |
154 | { | |
155 | struct freecom_xfer_wrap *fxfr = | |
156 | (struct freecom_xfer_wrap *) us->iobuf; | |
157 | int result; | |
158 | ||
159 | fxfr->Type = FCM_PACKET_INPUT | 0x00; | |
160 | fxfr->Timeout = 0; /* Short timeout for debugging. */ | |
161 | fxfr->Count = cpu_to_le32 (count); | |
162 | memset (fxfr->Pad, 0, sizeof (fxfr->Pad)); | |
163 | ||
164 | US_DEBUGP("Read data Freecom! (c=%d)\n", count); | |
165 | ||
166 | /* Issue the transfer command. */ | |
167 | result = usb_stor_bulk_transfer_buf (us, opipe, fxfr, | |
168 | FCM_PACKET_LENGTH, NULL); | |
169 | if (result != USB_STOR_XFER_GOOD) { | |
170 | US_DEBUGP ("Freecom readdata transport error\n"); | |
171 | return USB_STOR_TRANSPORT_ERROR; | |
172 | } | |
173 | ||
174 | /* Now transfer all of our blocks. */ | |
175 | US_DEBUGP("Start of read\n"); | |
41c2497b | 176 | result = usb_stor_bulk_srb(us, ipipe, srb); |
1da177e4 LT |
177 | US_DEBUGP("freecom_readdata done!\n"); |
178 | ||
179 | if (result > USB_STOR_XFER_SHORT) | |
180 | return USB_STOR_TRANSPORT_ERROR; | |
181 | return USB_STOR_TRANSPORT_GOOD; | |
182 | } | |
183 | ||
184 | static int | |
185 | freecom_writedata (struct scsi_cmnd *srb, struct us_data *us, | |
186 | int unsigned ipipe, unsigned int opipe, int count) | |
187 | { | |
188 | struct freecom_xfer_wrap *fxfr = | |
189 | (struct freecom_xfer_wrap *) us->iobuf; | |
190 | int result; | |
191 | ||
192 | fxfr->Type = FCM_PACKET_OUTPUT | 0x00; | |
193 | fxfr->Timeout = 0; /* Short timeout for debugging. */ | |
194 | fxfr->Count = cpu_to_le32 (count); | |
195 | memset (fxfr->Pad, 0, sizeof (fxfr->Pad)); | |
196 | ||
197 | US_DEBUGP("Write data Freecom! (c=%d)\n", count); | |
198 | ||
199 | /* Issue the transfer command. */ | |
200 | result = usb_stor_bulk_transfer_buf (us, opipe, fxfr, | |
201 | FCM_PACKET_LENGTH, NULL); | |
202 | if (result != USB_STOR_XFER_GOOD) { | |
203 | US_DEBUGP ("Freecom writedata transport error\n"); | |
204 | return USB_STOR_TRANSPORT_ERROR; | |
205 | } | |
206 | ||
207 | /* Now transfer all of our blocks. */ | |
208 | US_DEBUGP("Start of write\n"); | |
41c2497b | 209 | result = usb_stor_bulk_srb(us, opipe, srb); |
1da177e4 LT |
210 | |
211 | US_DEBUGP("freecom_writedata done!\n"); | |
212 | if (result > USB_STOR_XFER_SHORT) | |
213 | return USB_STOR_TRANSPORT_ERROR; | |
214 | return USB_STOR_TRANSPORT_GOOD; | |
215 | } | |
216 | ||
217 | /* | |
218 | * Transport for the Freecom USB/IDE adaptor. | |
219 | * | |
220 | */ | |
0d62939f | 221 | static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) |
1da177e4 LT |
222 | { |
223 | struct freecom_cb_wrap *fcb; | |
224 | struct freecom_status *fst; | |
225 | unsigned int ipipe, opipe; /* We need both pipes. */ | |
226 | int result; | |
227 | unsigned int partial; | |
228 | int length; | |
229 | ||
230 | fcb = (struct freecom_cb_wrap *) us->iobuf; | |
231 | fst = (struct freecom_status *) us->iobuf; | |
232 | ||
233 | US_DEBUGP("Freecom TRANSPORT STARTED\n"); | |
234 | ||
235 | /* Get handles for both transports. */ | |
236 | opipe = us->send_bulk_pipe; | |
237 | ipipe = us->recv_bulk_pipe; | |
238 | ||
239 | /* The ATAPI Command always goes out first. */ | |
240 | fcb->Type = FCM_PACKET_ATAPI | 0x00; | |
241 | fcb->Timeout = 0; | |
242 | memcpy (fcb->Atapi, srb->cmnd, 12); | |
243 | memset (fcb->Filler, 0, sizeof (fcb->Filler)); | |
244 | ||
245 | US_DEBUG(pdump (srb->cmnd, 12)); | |
246 | ||
247 | /* Send it out. */ | |
248 | result = usb_stor_bulk_transfer_buf (us, opipe, fcb, | |
249 | FCM_PACKET_LENGTH, NULL); | |
250 | ||
251 | /* The Freecom device will only fail if there is something wrong in | |
252 | * USB land. It returns the status in its own registers, which | |
253 | * come back in the bulk pipe. */ | |
254 | if (result != USB_STOR_XFER_GOOD) { | |
255 | US_DEBUGP ("freecom transport error\n"); | |
256 | return USB_STOR_TRANSPORT_ERROR; | |
257 | } | |
258 | ||
259 | /* There are times we can optimize out this status read, but it | |
260 | * doesn't hurt us to always do it now. */ | |
261 | result = usb_stor_bulk_transfer_buf (us, ipipe, fst, | |
262 | FCM_STATUS_PACKET_LENGTH, &partial); | |
263 | US_DEBUGP("foo Status result %d %u\n", result, partial); | |
264 | if (result != USB_STOR_XFER_GOOD) | |
265 | return USB_STOR_TRANSPORT_ERROR; | |
266 | ||
267 | US_DEBUG(pdump ((void *) fst, partial)); | |
268 | ||
269 | /* The firmware will time-out commands after 20 seconds. Some commands | |
270 | * can legitimately take longer than this, so we use a different | |
271 | * command that only waits for the interrupt and then sends status, | |
7c7e2d00 | 272 | * without having to send a new ATAPI command to the device. |
1da177e4 LT |
273 | * |
274 | * NOTE: There is some indication that a data transfer after a timeout | |
275 | * may not work, but that is a condition that should never happen. | |
276 | */ | |
277 | while (fst->Status & FCM_STATUS_BUSY) { | |
278 | US_DEBUGP("20 second USB/ATAPI bridge TIMEOUT occurred!\n"); | |
279 | US_DEBUGP("fst->Status is %x\n", fst->Status); | |
280 | ||
281 | /* Get the status again */ | |
282 | fcb->Type = FCM_PACKET_STATUS; | |
283 | fcb->Timeout = 0; | |
284 | memset (fcb->Atapi, 0, sizeof(fcb->Atapi)); | |
285 | memset (fcb->Filler, 0, sizeof (fcb->Filler)); | |
286 | ||
287 | /* Send it out. */ | |
288 | result = usb_stor_bulk_transfer_buf (us, opipe, fcb, | |
289 | FCM_PACKET_LENGTH, NULL); | |
290 | ||
291 | /* The Freecom device will only fail if there is something | |
292 | * wrong in USB land. It returns the status in its own | |
293 | * registers, which come back in the bulk pipe. | |
294 | */ | |
295 | if (result != USB_STOR_XFER_GOOD) { | |
296 | US_DEBUGP ("freecom transport error\n"); | |
297 | return USB_STOR_TRANSPORT_ERROR; | |
298 | } | |
299 | ||
300 | /* get the data */ | |
301 | result = usb_stor_bulk_transfer_buf (us, ipipe, fst, | |
302 | FCM_STATUS_PACKET_LENGTH, &partial); | |
303 | ||
304 | US_DEBUGP("bar Status result %d %u\n", result, partial); | |
305 | if (result != USB_STOR_XFER_GOOD) | |
306 | return USB_STOR_TRANSPORT_ERROR; | |
307 | ||
308 | US_DEBUG(pdump ((void *) fst, partial)); | |
309 | } | |
310 | ||
311 | if (partial != 4) | |
312 | return USB_STOR_TRANSPORT_ERROR; | |
313 | if ((fst->Status & 1) != 0) { | |
314 | US_DEBUGP("operation failed\n"); | |
315 | return USB_STOR_TRANSPORT_FAILED; | |
316 | } | |
317 | ||
318 | /* The device might not have as much data available as we | |
319 | * requested. If you ask for more than the device has, this reads | |
320 | * and such will hang. */ | |
321 | US_DEBUGP("Device indicates that it has %d bytes available\n", | |
322 | le16_to_cpu (fst->Count)); | |
41c2497b | 323 | US_DEBUGP("SCSI requested %d\n", scsi_bufflen(srb)); |
1da177e4 LT |
324 | |
325 | /* Find the length we desire to read. */ | |
326 | switch (srb->cmnd[0]) { | |
7c7e2d00 ME |
327 | case INQUIRY: |
328 | case REQUEST_SENSE: /* 16 or 18 bytes? spec says 18, lots of devices only have 16 */ | |
329 | case MODE_SENSE: | |
330 | case MODE_SENSE_10: | |
331 | length = le16_to_cpu(fst->Count); | |
332 | break; | |
333 | default: | |
334 | length = scsi_bufflen(srb); | |
1da177e4 LT |
335 | } |
336 | ||
337 | /* verify that this amount is legal */ | |
41c2497b BH |
338 | if (length > scsi_bufflen(srb)) { |
339 | length = scsi_bufflen(srb); | |
1da177e4 LT |
340 | US_DEBUGP("Truncating request to match buffer length: %d\n", length); |
341 | } | |
342 | ||
343 | /* What we do now depends on what direction the data is supposed to | |
344 | * move in. */ | |
345 | ||
346 | switch (us->srb->sc_data_direction) { | |
347 | case DMA_FROM_DEVICE: | |
348 | /* catch bogus "read 0 length" case */ | |
349 | if (!length) | |
350 | break; | |
351 | /* Make sure that the status indicates that the device | |
352 | * wants data as well. */ | |
353 | if ((fst->Status & DRQ_STAT) == 0 || (fst->Reason & 3) != 2) { | |
354 | US_DEBUGP("SCSI wants data, drive doesn't have any\n"); | |
355 | return USB_STOR_TRANSPORT_FAILED; | |
356 | } | |
357 | result = freecom_readdata (srb, us, ipipe, opipe, length); | |
358 | if (result != USB_STOR_TRANSPORT_GOOD) | |
359 | return result; | |
360 | ||
361 | US_DEBUGP("FCM: Waiting for status\n"); | |
362 | result = usb_stor_bulk_transfer_buf (us, ipipe, fst, | |
363 | FCM_PACKET_LENGTH, &partial); | |
364 | US_DEBUG(pdump ((void *) fst, partial)); | |
365 | ||
366 | if (partial != 4 || result > USB_STOR_XFER_SHORT) | |
367 | return USB_STOR_TRANSPORT_ERROR; | |
368 | if ((fst->Status & ERR_STAT) != 0) { | |
369 | US_DEBUGP("operation failed\n"); | |
370 | return USB_STOR_TRANSPORT_FAILED; | |
371 | } | |
372 | if ((fst->Reason & 3) != 3) { | |
373 | US_DEBUGP("Drive seems still hungry\n"); | |
374 | return USB_STOR_TRANSPORT_FAILED; | |
375 | } | |
376 | US_DEBUGP("Transfer happy\n"); | |
377 | break; | |
378 | ||
379 | case DMA_TO_DEVICE: | |
380 | /* catch bogus "write 0 length" case */ | |
381 | if (!length) | |
382 | break; | |
383 | /* Make sure the status indicates that the device wants to | |
384 | * send us data. */ | |
385 | /* !!IMPLEMENT!! */ | |
386 | result = freecom_writedata (srb, us, ipipe, opipe, length); | |
387 | if (result != USB_STOR_TRANSPORT_GOOD) | |
388 | return result; | |
389 | ||
390 | US_DEBUGP("FCM: Waiting for status\n"); | |
391 | result = usb_stor_bulk_transfer_buf (us, ipipe, fst, | |
392 | FCM_PACKET_LENGTH, &partial); | |
393 | ||
394 | if (partial != 4 || result > USB_STOR_XFER_SHORT) | |
395 | return USB_STOR_TRANSPORT_ERROR; | |
396 | if ((fst->Status & ERR_STAT) != 0) { | |
397 | US_DEBUGP("operation failed\n"); | |
398 | return USB_STOR_TRANSPORT_FAILED; | |
399 | } | |
400 | if ((fst->Reason & 3) != 3) { | |
401 | US_DEBUGP("Drive seems still hungry\n"); | |
402 | return USB_STOR_TRANSPORT_FAILED; | |
403 | } | |
404 | ||
405 | US_DEBUGP("Transfer happy\n"); | |
406 | break; | |
407 | ||
408 | ||
409 | case DMA_NONE: | |
410 | /* Easy, do nothing. */ | |
411 | break; | |
412 | ||
413 | default: | |
414 | /* should never hit here -- filtered in usb.c */ | |
415 | US_DEBUGP ("freecom unimplemented direction: %d\n", | |
416 | us->srb->sc_data_direction); | |
7c7e2d00 | 417 | /* Return fail, SCSI seems to handle this better. */ |
1da177e4 LT |
418 | return USB_STOR_TRANSPORT_FAILED; |
419 | break; | |
420 | } | |
421 | ||
422 | return USB_STOR_TRANSPORT_GOOD; | |
423 | } | |
424 | ||
0d62939f | 425 | static int init_freecom(struct us_data *us) |
1da177e4 LT |
426 | { |
427 | int result; | |
428 | char *buffer = us->iobuf; | |
429 | ||
430 | /* The DMA-mapped I/O buffer is 64 bytes long, just right for | |
431 | * all our packets. No need to allocate any extra buffer space. | |
432 | */ | |
433 | ||
434 | result = usb_stor_control_msg(us, us->recv_ctrl_pipe, | |
435 | 0x4c, 0xc0, 0x4346, 0x0, buffer, 0x20, 3*HZ); | |
436 | buffer[32] = '\0'; | |
437 | US_DEBUGP("String returned from FC init is: %s\n", buffer); | |
438 | ||
439 | /* Special thanks to the people at Freecom for providing me with | |
440 | * this "magic sequence", which they use in their Windows and MacOS | |
441 | * drivers to make sure that all the attached perhiperals are | |
442 | * properly reset. | |
443 | */ | |
444 | ||
445 | /* send reset */ | |
446 | result = usb_stor_control_msg(us, us->send_ctrl_pipe, | |
447 | 0x4d, 0x40, 0x24d8, 0x0, NULL, 0x0, 3*HZ); | |
448 | US_DEBUGP("result from activate reset is %d\n", result); | |
449 | ||
450 | /* wait 250ms */ | |
451 | mdelay(250); | |
452 | ||
453 | /* clear reset */ | |
454 | result = usb_stor_control_msg(us, us->send_ctrl_pipe, | |
455 | 0x4d, 0x40, 0x24f8, 0x0, NULL, 0x0, 3*HZ); | |
456 | US_DEBUGP("result from clear reset is %d\n", result); | |
457 | ||
458 | /* wait 3 seconds */ | |
459 | mdelay(3 * 1000); | |
460 | ||
461 | return USB_STOR_TRANSPORT_GOOD; | |
462 | } | |
463 | ||
0d62939f | 464 | static int usb_stor_freecom_reset(struct us_data *us) |
1da177e4 LT |
465 | { |
466 | printk (KERN_CRIT "freecom reset called\n"); | |
467 | ||
468 | /* We don't really have this feature. */ | |
469 | return FAILED; | |
470 | } | |
471 | ||
472 | #ifdef CONFIG_USB_STORAGE_DEBUG | |
473 | static void pdump (void *ibuffer, int length) | |
474 | { | |
475 | static char line[80]; | |
476 | int offset = 0; | |
477 | unsigned char *buffer = (unsigned char *) ibuffer; | |
478 | int i, j; | |
479 | int from, base; | |
480 | ||
481 | offset = 0; | |
482 | for (i = 0; i < length; i++) { | |
483 | if ((i & 15) == 0) { | |
484 | if (i > 0) { | |
485 | offset += sprintf (line+offset, " - "); | |
486 | for (j = i - 16; j < i; j++) { | |
487 | if (buffer[j] >= 32 && buffer[j] <= 126) | |
488 | line[offset++] = buffer[j]; | |
489 | else | |
490 | line[offset++] = '.'; | |
491 | } | |
492 | line[offset] = 0; | |
493 | US_DEBUGP("%s\n", line); | |
494 | offset = 0; | |
495 | } | |
496 | offset += sprintf (line+offset, "%08x:", i); | |
7c7e2d00 | 497 | } else if ((i & 7) == 0) { |
1da177e4 LT |
498 | offset += sprintf (line+offset, " -"); |
499 | } | |
500 | offset += sprintf (line+offset, " %02x", buffer[i] & 0xff); | |
501 | } | |
502 | ||
503 | /* Add the last "chunk" of data. */ | |
504 | from = (length - 1) % 16; | |
505 | base = ((length - 1) / 16) * 16; | |
506 | ||
507 | for (i = from + 1; i < 16; i++) | |
508 | offset += sprintf (line+offset, " "); | |
509 | if (from < 8) | |
510 | offset += sprintf (line+offset, " "); | |
511 | offset += sprintf (line+offset, " - "); | |
512 | ||
513 | for (i = 0; i <= from; i++) { | |
514 | if (buffer[base+i] >= 32 && buffer[base+i] <= 126) | |
515 | line[offset++] = buffer[base+i]; | |
516 | else | |
517 | line[offset++] = '.'; | |
518 | } | |
519 | line[offset] = 0; | |
520 | US_DEBUGP("%s\n", line); | |
521 | offset = 0; | |
522 | } | |
523 | #endif | |
524 | ||
0d62939f AS |
525 | static int freecom_probe(struct usb_interface *intf, |
526 | const struct usb_device_id *id) | |
527 | { | |
528 | struct us_data *us; | |
529 | int result; | |
530 | ||
531 | result = usb_stor_probe1(&us, intf, id, | |
532 | (id - freecom_usb_ids) + freecom_unusual_dev_list); | |
533 | if (result) | |
534 | return result; | |
535 | ||
536 | us->transport_name = "Freecom"; | |
537 | us->transport = freecom_transport; | |
538 | us->transport_reset = usb_stor_freecom_reset; | |
539 | us->max_lun = 0; | |
540 | ||
541 | result = usb_stor_probe2(us); | |
542 | return result; | |
543 | } | |
544 | ||
545 | static struct usb_driver freecom_driver = { | |
546 | .name = "ums-freecom", | |
547 | .probe = freecom_probe, | |
548 | .disconnect = usb_stor_disconnect, | |
549 | .suspend = usb_stor_suspend, | |
550 | .resume = usb_stor_resume, | |
551 | .reset_resume = usb_stor_reset_resume, | |
552 | .pre_reset = usb_stor_pre_reset, | |
553 | .post_reset = usb_stor_post_reset, | |
554 | .id_table = freecom_usb_ids, | |
555 | .soft_unbind = 1, | |
556 | }; | |
557 | ||
558 | static int __init freecom_init(void) | |
559 | { | |
560 | return usb_register(&freecom_driver); | |
561 | } | |
562 | ||
563 | static void __exit freecom_exit(void) | |
564 | { | |
565 | usb_deregister(&freecom_driver); | |
566 | } | |
567 | ||
568 | module_init(freecom_init); | |
569 | module_exit(freecom_exit); |