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Commit | Line | Data |
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affae2bf | 1 | /* |
460c322f WD |
2 | * Most of this source has been derived from the Linux USB |
3 | * project: | |
4 | * (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net) | |
5 | * (c) 2000 David L. Brown, Jr. (usb-storage@davidb.org) | |
6 | * (c) 1999 Michael Gee (michael@linuxspecific.com) | |
7 | * (c) 2000 Yggdrasil Computing, Inc. | |
8 | * | |
9 | * | |
10 | * Adapted for U-Boot: | |
11 | * (C) Copyright 2001 Denis Peter, MPL AG Switzerland | |
affae2bf | 12 | * |
149dded2 | 13 | * For BBB support (C) Copyright 2003 |
792a09eb | 14 | * Gary Jennejohn, DENX Software Engineering <garyj@denx.de> |
149dded2 | 15 | * |
460c322f | 16 | * BBB support based on /sys/dev/usb/umass.c from |
149dded2 | 17 | * FreeBSD. |
affae2bf WD |
18 | * |
19 | * See file CREDITS for list of people who contributed to this | |
20 | * project. | |
21 | * | |
22 | * This program is free software; you can redistribute it and/or | |
23 | * modify it under the terms of the GNU General Public License as | |
24 | * published by the Free Software Foundation; either version 2 of | |
25 | * the License, or (at your option) any later version. | |
26 | * | |
27 | * This program is distributed in the hope that it will be useful, | |
28 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
80885a9d | 29 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
affae2bf WD |
30 | * GNU General Public License for more details. |
31 | * | |
32 | * You should have received a copy of the GNU General Public License | |
33 | * along with this program; if not, write to the Free Software | |
34 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
35 | * MA 02111-1307 USA | |
36 | * | |
37 | */ | |
38 | ||
39 | /* Note: | |
40 | * Currently only the CBI transport protocoll has been implemented, and it | |
41 | * is only tested with a TEAC USB Floppy. Other Massstorages with CBI or CB | |
42 | * transport protocoll may work as well. | |
43 | */ | |
149dded2 WD |
44 | /* |
45 | * New Note: | |
46 | * Support for USB Mass Storage Devices (BBB) has been added. It has | |
47 | * only been tested with USB memory sticks. | |
149dded2 | 48 | */ |
affae2bf WD |
49 | |
50 | ||
affae2bf WD |
51 | #include <common.h> |
52 | #include <command.h> | |
c918261c | 53 | #include <asm/byteorder.h> |
affae2bf WD |
54 | #include <asm/processor.h> |
55 | ||
735dd97b | 56 | #include <part.h> |
affae2bf WD |
57 | #include <usb.h> |
58 | ||
80885a9d WD |
59 | #undef BBB_COMDAT_TRACE |
60 | #undef BBB_XPORT_TRACE | |
affae2bf | 61 | |
affae2bf WD |
62 | #include <scsi.h> |
63 | /* direction table -- this indicates the direction of the data | |
64 | * transfer for each command code -- a 1 indicates input | |
65 | */ | |
2ff12285 | 66 | static const unsigned char us_direction[256/8] = { |
affae2bf WD |
67 | 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77, |
68 | 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, | |
69 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, | |
70 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
71 | }; | |
72 | #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1) | |
73 | ||
f5766139 | 74 | static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN))); |
affae2bf WD |
75 | |
76 | /* | |
77 | * CBI style | |
78 | */ | |
79 | ||
80 | #define US_CBI_ADSC 0 | |
81 | ||
149dded2 WD |
82 | /* |
83 | * BULK only | |
84 | */ | |
85 | #define US_BBB_RESET 0xff | |
86 | #define US_BBB_GET_MAX_LUN 0xfe | |
87 | ||
88 | /* Command Block Wrapper */ | |
89 | typedef struct { | |
90 | __u32 dCBWSignature; | |
91 | # define CBWSIGNATURE 0x43425355 | |
92 | __u32 dCBWTag; | |
93 | __u32 dCBWDataTransferLength; | |
94 | __u8 bCBWFlags; | |
95 | # define CBWFLAGS_OUT 0x00 | |
96 | # define CBWFLAGS_IN 0x80 | |
97 | __u8 bCBWLUN; | |
98 | __u8 bCDBLength; | |
99 | # define CBWCDBLENGTH 16 | |
100 | __u8 CBWCDB[CBWCDBLENGTH]; | |
101 | } umass_bbb_cbw_t; | |
80885a9d | 102 | #define UMASS_BBB_CBW_SIZE 31 |
a0cb3fc3 | 103 | static __u32 CBWTag; |
149dded2 WD |
104 | |
105 | /* Command Status Wrapper */ | |
106 | typedef struct { | |
107 | __u32 dCSWSignature; | |
108 | # define CSWSIGNATURE 0x53425355 | |
109 | __u32 dCSWTag; | |
110 | __u32 dCSWDataResidue; | |
111 | __u8 bCSWStatus; | |
112 | # define CSWSTATUS_GOOD 0x0 | |
80885a9d | 113 | # define CSWSTATUS_FAILED 0x1 |
149dded2 WD |
114 | # define CSWSTATUS_PHASE 0x2 |
115 | } umass_bbb_csw_t; | |
80885a9d | 116 | #define UMASS_BBB_CSW_SIZE 13 |
affae2bf WD |
117 | |
118 | #define USB_MAX_STOR_DEV 5 | |
a0cb3fc3 | 119 | static int usb_max_devs; /* number of highest available usb device */ |
affae2bf WD |
120 | |
121 | static block_dev_desc_t usb_dev_desc[USB_MAX_STOR_DEV]; | |
122 | ||
123 | struct us_data; | |
a0cb3fc3 MT |
124 | typedef int (*trans_cmnd)(ccb *cb, struct us_data *data); |
125 | typedef int (*trans_reset)(struct us_data *data); | |
affae2bf WD |
126 | |
127 | struct us_data { | |
a0cb3fc3 MT |
128 | struct usb_device *pusb_dev; /* this usb_device */ |
129 | ||
130 | unsigned int flags; /* from filter initially */ | |
3e8581bb | 131 | # define USB_READY (1 << 0) |
a0cb3fc3 MT |
132 | unsigned char ifnum; /* interface number */ |
133 | unsigned char ep_in; /* in endpoint */ | |
134 | unsigned char ep_out; /* out ....... */ | |
135 | unsigned char ep_int; /* interrupt . */ | |
136 | unsigned char subclass; /* as in overview */ | |
137 | unsigned char protocol; /* .............. */ | |
138 | unsigned char attention_done; /* force attn on first cmd */ | |
139 | unsigned short ip_data; /* interrupt data */ | |
140 | int action; /* what to do */ | |
141 | int ip_wanted; /* needed */ | |
142 | int *irq_handle; /* for USB int requests */ | |
143 | unsigned int irqpipe; /* pipe for release_irq */ | |
144 | unsigned char irqmaxp; /* max packed for irq Pipe */ | |
145 | unsigned char irqinterval; /* Intervall for IRQ Pipe */ | |
146 | ccb *srb; /* current srb */ | |
147 | trans_reset transport_reset; /* reset routine */ | |
148 | trans_cmnd transport; /* transport routine */ | |
affae2bf WD |
149 | }; |
150 | ||
cffcc503 | 151 | #ifdef CONFIG_USB_EHCI |
1b4bd0e6 | 152 | /* |
4bee5c83 BT |
153 | * The U-Boot EHCI driver can handle any transfer length as long as there is |
154 | * enough free heap space left, but the SCSI READ(10) and WRITE(10) commands are | |
155 | * limited to 65535 blocks. | |
1b4bd0e6 | 156 | */ |
4bee5c83 | 157 | #define USB_MAX_XFER_BLK 65535 |
cffcc503 | 158 | #else |
4bee5c83 | 159 | #define USB_MAX_XFER_BLK 20 |
cffcc503 | 160 | #endif |
1b4bd0e6 | 161 | |
affae2bf WD |
162 | static struct us_data usb_stor[USB_MAX_STOR_DEV]; |
163 | ||
164 | ||
80885a9d | 165 | #define USB_STOR_TRANSPORT_GOOD 0 |
affae2bf WD |
166 | #define USB_STOR_TRANSPORT_FAILED -1 |
167 | #define USB_STOR_TRANSPORT_ERROR -2 | |
168 | ||
a0cb3fc3 MT |
169 | int usb_stor_get_info(struct usb_device *dev, struct us_data *us, |
170 | block_dev_desc_t *dev_desc); | |
171 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, | |
172 | struct us_data *ss); | |
ff8fef56 | 173 | unsigned long usb_stor_read(int device, lbaint_t blknr, |
e81e79ed | 174 | lbaint_t blkcnt, void *buffer); |
ff8fef56 | 175 | unsigned long usb_stor_write(int device, lbaint_t blknr, |
e81e79ed | 176 | lbaint_t blkcnt, const void *buffer); |
affae2bf WD |
177 | struct usb_device * usb_get_dev_index(int index); |
178 | void uhci_show_temp_int_td(void); | |
179 | ||
df3fc526 | 180 | #ifdef CONFIG_PARTITIONS |
affae2bf WD |
181 | block_dev_desc_t *usb_stor_get_dev(int index) |
182 | { | |
aaad108b | 183 | return (index < usb_max_devs) ? &usb_dev_desc[index] : NULL; |
affae2bf | 184 | } |
df3fc526 | 185 | #endif |
affae2bf | 186 | |
199adb60 | 187 | static void usb_show_progress(void) |
affae2bf | 188 | { |
226fa9bb | 189 | debug("."); |
affae2bf WD |
190 | } |
191 | ||
a0cb3fc3 | 192 | /******************************************************************************* |
9c998aa8 WD |
193 | * show info on storage devices; 'usb start/init' must be invoked earlier |
194 | * as we only retrieve structures populated during devices initialization | |
195 | */ | |
f6b44e0e | 196 | int usb_stor_info(void) |
9c998aa8 WD |
197 | { |
198 | int i; | |
199 | ||
f6b44e0e | 200 | if (usb_max_devs > 0) { |
9c998aa8 | 201 | for (i = 0; i < usb_max_devs; i++) { |
a0cb3fc3 | 202 | printf(" Device %d: ", i); |
9c998aa8 WD |
203 | dev_print(&usb_dev_desc[i]); |
204 | } | |
b9e749e9 | 205 | return 0; |
f6b44e0e | 206 | } |
1aeed8d7 | 207 | |
b9e749e9 MK |
208 | printf("No storage devices, perhaps not 'usb start'ed..?\n"); |
209 | return 1; | |
9c998aa8 WD |
210 | } |
211 | ||
99e9ed1f LC |
212 | static unsigned int usb_get_max_lun(struct us_data *us) |
213 | { | |
214 | int len; | |
f5766139 | 215 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1); |
99e9ed1f LC |
216 | len = usb_control_msg(us->pusb_dev, |
217 | usb_rcvctrlpipe(us->pusb_dev, 0), | |
218 | US_BBB_GET_MAX_LUN, | |
219 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
220 | 0, us->ifnum, | |
f5766139 | 221 | result, sizeof(char), |
99e9ed1f | 222 | USB_CNTL_TIMEOUT * 5); |
ceb4972a | 223 | debug("Get Max LUN -> len = %i, result = %i\n", len, (int) *result); |
f5766139 | 224 | return (len > 0) ? *result : 0; |
99e9ed1f LC |
225 | } |
226 | ||
a0cb3fc3 | 227 | /******************************************************************************* |
9c998aa8 | 228 | * scan the usb and reports device info |
affae2bf WD |
229 | * to the user if mode = 1 |
230 | * returns current device or -1 if no | |
231 | */ | |
232 | int usb_stor_scan(int mode) | |
233 | { | |
234 | unsigned char i; | |
235 | struct usb_device *dev; | |
236 | ||
a0cb3fc3 | 237 | if (mode == 1) |
93c2582f | 238 | printf(" scanning usb for storage devices... "); |
a0cb3fc3 | 239 | |
affae2bf WD |
240 | usb_disable_asynch(1); /* asynch transfer not allowed */ |
241 | ||
a0cb3fc3 MT |
242 | for (i = 0; i < USB_MAX_STOR_DEV; i++) { |
243 | memset(&usb_dev_desc[i], 0, sizeof(block_dev_desc_t)); | |
a0cb3fc3 MT |
244 | usb_dev_desc[i].if_type = IF_TYPE_USB; |
245 | usb_dev_desc[i].dev = i; | |
246 | usb_dev_desc[i].part_type = PART_TYPE_UNKNOWN; | |
a17c548b WD |
247 | usb_dev_desc[i].target = 0xff; |
248 | usb_dev_desc[i].type = DEV_TYPE_UNKNOWN; | |
a0cb3fc3 | 249 | usb_dev_desc[i].block_read = usb_stor_read; |
127e1084 | 250 | usb_dev_desc[i].block_write = usb_stor_write; |
affae2bf | 251 | } |
9c998aa8 | 252 | |
a0cb3fc3 MT |
253 | usb_max_devs = 0; |
254 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
255 | dev = usb_get_dev_index(i); /* get device */ | |
ceb4972a | 256 | debug("i=%d\n", i); |
a0cb3fc3 | 257 | if (dev == NULL) |
6052cbab | 258 | break; /* no more devices available */ |
a0cb3fc3 MT |
259 | |
260 | if (usb_storage_probe(dev, 0, &usb_stor[usb_max_devs])) { | |
99e9ed1f LC |
261 | /* OK, it's a storage device. Iterate over its LUNs |
262 | * and populate `usb_dev_desc'. | |
a0cb3fc3 | 263 | */ |
99e9ed1f LC |
264 | int lun, max_lun, start = usb_max_devs; |
265 | ||
266 | max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]); | |
267 | for (lun = 0; | |
268 | lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV; | |
269 | lun++) { | |
270 | usb_dev_desc[usb_max_devs].lun = lun; | |
271 | if (usb_stor_get_info(dev, &usb_stor[start], | |
605bd75a VG |
272 | &usb_dev_desc[usb_max_devs]) == 1) { |
273 | usb_max_devs++; | |
274 | } | |
99e9ed1f | 275 | } |
a0cb3fc3 MT |
276 | } |
277 | /* if storage device */ | |
278 | if (usb_max_devs == USB_MAX_STOR_DEV) { | |
279 | printf("max USB Storage Device reached: %d stopping\n", | |
280 | usb_max_devs); | |
affae2bf WD |
281 | break; |
282 | } | |
283 | } /* for */ | |
095b8a37 | 284 | |
affae2bf | 285 | usb_disable_asynch(0); /* asynch transfer allowed */ |
9c998aa8 | 286 | printf("%d Storage Device(s) found\n", usb_max_devs); |
a0cb3fc3 | 287 | if (usb_max_devs > 0) |
affae2bf | 288 | return 0; |
a0cb3fc3 | 289 | return -1; |
affae2bf WD |
290 | } |
291 | ||
292 | static int usb_stor_irq(struct usb_device *dev) | |
293 | { | |
294 | struct us_data *us; | |
a0cb3fc3 | 295 | us = (struct us_data *)dev->privptr; |
affae2bf | 296 | |
a0cb3fc3 MT |
297 | if (us->ip_wanted) |
298 | us->ip_wanted = 0; | |
affae2bf WD |
299 | return 0; |
300 | } | |
301 | ||
302 | ||
ceb4972a | 303 | #ifdef DEBUG |
affae2bf | 304 | |
a0cb3fc3 | 305 | static void usb_show_srb(ccb *pccb) |
affae2bf WD |
306 | { |
307 | int i; | |
a0cb3fc3 MT |
308 | printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen); |
309 | for (i = 0; i < 12; i++) | |
310 | printf("%02X ", pccb->cmd[i]); | |
affae2bf WD |
311 | printf("\n"); |
312 | } | |
313 | ||
314 | static void display_int_status(unsigned long tmp) | |
315 | { | |
316 | printf("Status: %s %s %s %s %s %s %s\n", | |
317 | (tmp & USB_ST_ACTIVE) ? "Active" : "", | |
318 | (tmp & USB_ST_STALLED) ? "Stalled" : "", | |
319 | (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "", | |
320 | (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "", | |
321 | (tmp & USB_ST_NAK_REC) ? "NAKed" : "", | |
322 | (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "", | |
323 | (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : ""); | |
324 | } | |
325 | #endif | |
326 | /*********************************************************************** | |
327 | * Data transfer routines | |
328 | ***********************************************************************/ | |
329 | ||
330 | static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) | |
331 | { | |
332 | int max_size; | |
333 | int this_xfer; | |
334 | int result; | |
335 | int partial; | |
336 | int maxtry; | |
337 | int stat; | |
338 | ||
339 | /* determine the maximum packet size for these transfers */ | |
340 | max_size = usb_maxpacket(us->pusb_dev, pipe) * 16; | |
341 | ||
342 | /* while we have data left to transfer */ | |
343 | while (length) { | |
344 | ||
345 | /* calculate how long this will be -- maximum or a remainder */ | |
346 | this_xfer = length > max_size ? max_size : length; | |
347 | length -= this_xfer; | |
348 | ||
349 | /* setup the retry counter */ | |
350 | maxtry = 10; | |
351 | ||
352 | /* set up the transfer loop */ | |
353 | do { | |
354 | /* transfer the data */ | |
ceb4972a VG |
355 | debug("Bulk xfer 0x%x(%d) try #%d\n", |
356 | (unsigned int)buf, this_xfer, 11 - maxtry); | |
affae2bf | 357 | result = usb_bulk_msg(us->pusb_dev, pipe, buf, |
a0cb3fc3 MT |
358 | this_xfer, &partial, |
359 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
360 | debug("bulk_msg returned %d xferred %d/%d\n", |
361 | result, partial, this_xfer); | |
a0cb3fc3 MT |
362 | if (us->pusb_dev->status != 0) { |
363 | /* if we stall, we need to clear it before | |
364 | * we go on | |
365 | */ | |
ceb4972a | 366 | #ifdef DEBUG |
affae2bf WD |
367 | display_int_status(us->pusb_dev->status); |
368 | #endif | |
369 | if (us->pusb_dev->status & USB_ST_STALLED) { | |
ceb4972a VG |
370 | debug("stalled ->clearing endpoint" \ |
371 | "halt for pipe 0x%x\n", pipe); | |
affae2bf WD |
372 | stat = us->pusb_dev->status; |
373 | usb_clear_halt(us->pusb_dev, pipe); | |
a0cb3fc3 MT |
374 | us->pusb_dev->status = stat; |
375 | if (this_xfer == partial) { | |
ceb4972a VG |
376 | debug("bulk transferred" \ |
377 | "with error %lX," \ | |
378 | " but data ok\n", | |
379 | us->pusb_dev->status); | |
affae2bf WD |
380 | return 0; |
381 | } | |
382 | else | |
383 | return result; | |
384 | } | |
385 | if (us->pusb_dev->status & USB_ST_NAK_REC) { | |
ceb4972a | 386 | debug("Device NAKed bulk_msg\n"); |
affae2bf WD |
387 | return result; |
388 | } | |
ceb4972a | 389 | debug("bulk transferred with error"); |
a0cb3fc3 | 390 | if (this_xfer == partial) { |
ceb4972a VG |
391 | debug(" %ld, but data ok\n", |
392 | us->pusb_dev->status); | |
affae2bf WD |
393 | return 0; |
394 | } | |
395 | /* if our try counter reaches 0, bail out */ | |
ceb4972a VG |
396 | debug(" %ld, data %d\n", |
397 | us->pusb_dev->status, partial); | |
affae2bf WD |
398 | if (!maxtry--) |
399 | return result; | |
400 | } | |
401 | /* update to show what data was transferred */ | |
402 | this_xfer -= partial; | |
403 | buf += partial; | |
404 | /* continue until this transfer is done */ | |
a0cb3fc3 | 405 | } while (this_xfer); |
affae2bf WD |
406 | } |
407 | ||
408 | /* if we get here, we're done and successful */ | |
409 | return 0; | |
410 | } | |
411 | ||
149dded2 WD |
412 | static int usb_stor_BBB_reset(struct us_data *us) |
413 | { | |
414 | int result; | |
415 | unsigned int pipe; | |
416 | ||
417 | /* | |
418 | * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) | |
419 | * | |
420 | * For Reset Recovery the host shall issue in the following order: | |
421 | * a) a Bulk-Only Mass Storage Reset | |
422 | * b) a Clear Feature HALT to the Bulk-In endpoint | |
423 | * c) a Clear Feature HALT to the Bulk-Out endpoint | |
424 | * | |
425 | * This is done in 3 steps. | |
426 | * | |
427 | * If the reset doesn't succeed, the device should be port reset. | |
428 | * | |
429 | * This comment stolen from FreeBSD's /sys/dev/usb/umass.c. | |
430 | */ | |
ceb4972a | 431 | debug("BBB_reset\n"); |
a0cb3fc3 MT |
432 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
433 | US_BBB_RESET, | |
434 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
199adb60 | 435 | 0, us->ifnum, NULL, 0, USB_CNTL_TIMEOUT * 5); |
9c998aa8 | 436 | |
a0cb3fc3 | 437 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 438 | debug("RESET:stall\n"); |
149dded2 WD |
439 | return -1; |
440 | } | |
9c998aa8 | 441 | |
149dded2 | 442 | /* long wait for reset */ |
5b84dd67 | 443 | mdelay(150); |
ceb4972a VG |
444 | debug("BBB_reset result %d: status %lX reset\n", |
445 | result, us->pusb_dev->status); | |
149dded2 WD |
446 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
447 | result = usb_clear_halt(us->pusb_dev, pipe); | |
448 | /* long wait for reset */ | |
5b84dd67 | 449 | mdelay(150); |
ceb4972a VG |
450 | debug("BBB_reset result %d: status %lX clearing IN endpoint\n", |
451 | result, us->pusb_dev->status); | |
149dded2 WD |
452 | /* long wait for reset */ |
453 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
454 | result = usb_clear_halt(us->pusb_dev, pipe); | |
5b84dd67 | 455 | mdelay(150); |
ceb4972a VG |
456 | debug("BBB_reset result %d: status %lX clearing OUT endpoint\n", |
457 | result, us->pusb_dev->status); | |
458 | debug("BBB_reset done\n"); | |
149dded2 WD |
459 | return 0; |
460 | } | |
461 | ||
affae2bf WD |
462 | /* FIXME: this reset function doesn't really reset the port, and it |
463 | * should. Actually it should probably do what it's doing here, and | |
464 | * reset the port physically | |
465 | */ | |
466 | static int usb_stor_CB_reset(struct us_data *us) | |
467 | { | |
468 | unsigned char cmd[12]; | |
469 | int result; | |
470 | ||
ceb4972a | 471 | debug("CB_reset\n"); |
a0cb3fc3 | 472 | memset(cmd, 0xff, sizeof(cmd)); |
affae2bf WD |
473 | cmd[0] = SCSI_SEND_DIAG; |
474 | cmd[1] = 4; | |
a0cb3fc3 MT |
475 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
476 | US_CBI_ADSC, | |
477 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
478 | 0, us->ifnum, cmd, sizeof(cmd), | |
479 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
480 | |
481 | /* long wait for reset */ | |
5b84dd67 | 482 | mdelay(1500); |
ceb4972a VG |
483 | debug("CB_reset result %d: status %lX clearing endpoint halt\n", |
484 | result, us->pusb_dev->status); | |
affae2bf WD |
485 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in)); |
486 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); | |
487 | ||
ceb4972a | 488 | debug("CB_reset done\n"); |
affae2bf WD |
489 | return 0; |
490 | } | |
491 | ||
149dded2 WD |
492 | /* |
493 | * Set up the command for a BBB device. Note that the actual SCSI | |
494 | * command is copied into cbw.CBWCDB. | |
495 | */ | |
199adb60 | 496 | static int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) |
149dded2 WD |
497 | { |
498 | int result; | |
499 | int actlen; | |
500 | int dir_in; | |
501 | unsigned int pipe; | |
f5766139 | 502 | ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_cbw_t, cbw, 1); |
149dded2 WD |
503 | |
504 | dir_in = US_DIRECTION(srb->cmd[0]); | |
505 | ||
506 | #ifdef BBB_COMDAT_TRACE | |
605bd75a | 507 | printf("dir %d lun %d cmdlen %d cmd %p datalen %lu pdata %p\n", |
a0cb3fc3 MT |
508 | dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, |
509 | srb->pdata); | |
149dded2 | 510 | if (srb->cmdlen) { |
a0cb3fc3 | 511 | for (result = 0; result < srb->cmdlen; result++) |
149dded2 WD |
512 | printf("cmd[%d] %#x ", result, srb->cmd[result]); |
513 | printf("\n"); | |
514 | } | |
515 | #endif | |
516 | /* sanity checks */ | |
517 | if (!(srb->cmdlen <= CBWCDBLENGTH)) { | |
ceb4972a | 518 | debug("usb_stor_BBB_comdat:cmdlen too large\n"); |
149dded2 WD |
519 | return -1; |
520 | } | |
521 | ||
522 | /* always OUT to the ep */ | |
523 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
524 | ||
f5766139 PS |
525 | cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE); |
526 | cbw->dCBWTag = cpu_to_le32(CBWTag++); | |
527 | cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen); | |
528 | cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT); | |
529 | cbw->bCBWLUN = srb->lun; | |
530 | cbw->bCDBLength = srb->cmdlen; | |
149dded2 WD |
531 | /* copy the command data into the CBW command data buffer */ |
532 | /* DST SRC LEN!!! */ | |
f5766139 PS |
533 | memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen); |
534 | result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE, | |
a0cb3fc3 | 535 | &actlen, USB_CNTL_TIMEOUT * 5); |
149dded2 | 536 | if (result < 0) |
ceb4972a | 537 | debug("usb_stor_BBB_comdat:usb_bulk_msg error\n"); |
149dded2 WD |
538 | return result; |
539 | } | |
540 | ||
affae2bf WD |
541 | /* FIXME: we also need a CBI_command which sets up the completion |
542 | * interrupt, and waits for it | |
543 | */ | |
199adb60 | 544 | static int usb_stor_CB_comdat(ccb *srb, struct us_data *us) |
affae2bf | 545 | { |
77ddac94 | 546 | int result = 0; |
a0cb3fc3 | 547 | int dir_in, retry; |
affae2bf WD |
548 | unsigned int pipe; |
549 | unsigned long status; | |
550 | ||
a0cb3fc3 MT |
551 | retry = 5; |
552 | dir_in = US_DIRECTION(srb->cmd[0]); | |
affae2bf | 553 | |
a0cb3fc3 MT |
554 | if (dir_in) |
555 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); | |
556 | else | |
557 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
558 | ||
559 | while (retry--) { | |
ceb4972a VG |
560 | debug("CBI gets a command: Try %d\n", 5 - retry); |
561 | #ifdef DEBUG | |
affae2bf WD |
562 | usb_show_srb(srb); |
563 | #endif | |
564 | /* let's send the command via the control pipe */ | |
a0cb3fc3 MT |
565 | result = usb_control_msg(us->pusb_dev, |
566 | usb_sndctrlpipe(us->pusb_dev , 0), | |
567 | US_CBI_ADSC, | |
568 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
affae2bf | 569 | 0, us->ifnum, |
a0cb3fc3 MT |
570 | srb->cmd, srb->cmdlen, |
571 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
572 | debug("CB_transport: control msg returned %d, status %lX\n", |
573 | result, us->pusb_dev->status); | |
affae2bf WD |
574 | /* check the return code for the command */ |
575 | if (result < 0) { | |
a0cb3fc3 MT |
576 | if (us->pusb_dev->status & USB_ST_STALLED) { |
577 | status = us->pusb_dev->status; | |
ceb4972a VG |
578 | debug(" stall during command found," \ |
579 | " clear pipe\n"); | |
a0cb3fc3 MT |
580 | usb_clear_halt(us->pusb_dev, |
581 | usb_sndctrlpipe(us->pusb_dev, 0)); | |
582 | us->pusb_dev->status = status; | |
affae2bf | 583 | } |
ceb4972a VG |
584 | debug(" error during command %02X" \ |
585 | " Stat = %lX\n", srb->cmd[0], | |
586 | us->pusb_dev->status); | |
affae2bf WD |
587 | return result; |
588 | } | |
589 | /* transfer the data payload for this command, if one exists*/ | |
590 | ||
ceb4972a VG |
591 | debug("CB_transport: control msg returned %d," \ |
592 | " direction is %s to go 0x%lx\n", result, | |
593 | dir_in ? "IN" : "OUT", srb->datalen); | |
affae2bf | 594 | if (srb->datalen) { |
a0cb3fc3 MT |
595 | result = us_one_transfer(us, pipe, (char *)srb->pdata, |
596 | srb->datalen); | |
ceb4972a VG |
597 | debug("CBI attempted to transfer data," \ |
598 | " result is %d status %lX, len %d\n", | |
599 | result, us->pusb_dev->status, | |
600 | us->pusb_dev->act_len); | |
a0cb3fc3 | 601 | if (!(us->pusb_dev->status & USB_ST_NAK_REC)) |
affae2bf WD |
602 | break; |
603 | } /* if (srb->datalen) */ | |
604 | else | |
605 | break; | |
606 | } | |
607 | /* return result */ | |
608 | ||
609 | return result; | |
610 | } | |
611 | ||
612 | ||
199adb60 | 613 | static int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) |
affae2bf WD |
614 | { |
615 | int timeout; | |
616 | ||
80885a9d | 617 | us->ip_wanted = 1; |
a0cb3fc3 | 618 | submit_int_msg(us->pusb_dev, us->irqpipe, |
80885a9d WD |
619 | (void *) &us->ip_data, us->irqmaxp, us->irqinterval); |
620 | timeout = 1000; | |
621 | while (timeout--) { | |
199adb60 | 622 | if ((volatile int *) us->ip_wanted == NULL) |
affae2bf | 623 | break; |
5b84dd67 | 624 | mdelay(10); |
affae2bf WD |
625 | } |
626 | if (us->ip_wanted) { | |
a0cb3fc3 | 627 | printf(" Did not get interrupt on CBI\n"); |
affae2bf WD |
628 | us->ip_wanted = 0; |
629 | return USB_STOR_TRANSPORT_ERROR; | |
630 | } | |
ceb4972a VG |
631 | debug("Got interrupt data 0x%x, transfered %d status 0x%lX\n", |
632 | us->ip_data, us->pusb_dev->irq_act_len, | |
633 | us->pusb_dev->irq_status); | |
affae2bf WD |
634 | /* UFI gives us ASC and ASCQ, like a request sense */ |
635 | if (us->subclass == US_SC_UFI) { | |
636 | if (srb->cmd[0] == SCSI_REQ_SENSE || | |
637 | srb->cmd[0] == SCSI_INQUIRY) | |
638 | return USB_STOR_TRANSPORT_GOOD; /* Good */ | |
80885a9d WD |
639 | else if (us->ip_data) |
640 | return USB_STOR_TRANSPORT_FAILED; | |
affae2bf | 641 | else |
80885a9d | 642 | return USB_STOR_TRANSPORT_GOOD; |
affae2bf WD |
643 | } |
644 | /* otherwise, we interpret the data normally */ | |
645 | switch (us->ip_data) { | |
80885a9d WD |
646 | case 0x0001: |
647 | return USB_STOR_TRANSPORT_GOOD; | |
648 | case 0x0002: | |
649 | return USB_STOR_TRANSPORT_FAILED; | |
650 | default: | |
651 | return USB_STOR_TRANSPORT_ERROR; | |
652 | } /* switch */ | |
affae2bf WD |
653 | return USB_STOR_TRANSPORT_ERROR; |
654 | } | |
655 | ||
656 | #define USB_TRANSPORT_UNKNOWN_RETRY 5 | |
657 | #define USB_TRANSPORT_NOT_READY_RETRY 10 | |
658 | ||
149dded2 | 659 | /* clear a stall on an endpoint - special for BBB devices */ |
199adb60 | 660 | static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) |
149dded2 WD |
661 | { |
662 | int result; | |
663 | ||
664 | /* ENDPOINT_HALT = 0, so set value to 0 */ | |
a0cb3fc3 | 665 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
149dded2 | 666 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, |
199adb60 | 667 | 0, endpt, NULL, 0, USB_CNTL_TIMEOUT * 5); |
149dded2 WD |
668 | return result; |
669 | } | |
670 | ||
199adb60 | 671 | static int usb_stor_BBB_transport(ccb *srb, struct us_data *us) |
149dded2 WD |
672 | { |
673 | int result, retry; | |
674 | int dir_in; | |
675 | int actlen, data_actlen; | |
676 | unsigned int pipe, pipein, pipeout; | |
f5766139 | 677 | ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_csw_t, csw, 1); |
149dded2 WD |
678 | #ifdef BBB_XPORT_TRACE |
679 | unsigned char *ptr; | |
680 | int index; | |
681 | #endif | |
682 | ||
683 | dir_in = US_DIRECTION(srb->cmd[0]); | |
684 | ||
685 | /* COMMAND phase */ | |
ceb4972a | 686 | debug("COMMAND phase\n"); |
149dded2 WD |
687 | result = usb_stor_BBB_comdat(srb, us); |
688 | if (result < 0) { | |
ceb4972a VG |
689 | debug("failed to send CBW status %ld\n", |
690 | us->pusb_dev->status); | |
149dded2 WD |
691 | usb_stor_BBB_reset(us); |
692 | return USB_STOR_TRANSPORT_FAILED; | |
693 | } | |
3e8581bb BT |
694 | if (!(us->flags & USB_READY)) |
695 | mdelay(5); | |
149dded2 WD |
696 | pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
697 | pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
698 | /* DATA phase + error handling */ | |
149dded2 WD |
699 | data_actlen = 0; |
700 | /* no data, go immediately to the STATUS phase */ | |
701 | if (srb->datalen == 0) | |
702 | goto st; | |
ceb4972a | 703 | debug("DATA phase\n"); |
149dded2 WD |
704 | if (dir_in) |
705 | pipe = pipein; | |
706 | else | |
707 | pipe = pipeout; | |
a0cb3fc3 MT |
708 | result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, |
709 | &data_actlen, USB_CNTL_TIMEOUT * 5); | |
149dded2 | 710 | /* special handling of STALL in DATA phase */ |
a0cb3fc3 | 711 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 712 | debug("DATA:stall\n"); |
149dded2 | 713 | /* clear the STALL on the endpoint */ |
a0cb3fc3 MT |
714 | result = usb_stor_BBB_clear_endpt_stall(us, |
715 | dir_in ? us->ep_in : us->ep_out); | |
149dded2 WD |
716 | if (result >= 0) |
717 | /* continue on to STATUS phase */ | |
718 | goto st; | |
719 | } | |
720 | if (result < 0) { | |
ceb4972a VG |
721 | debug("usb_bulk_msg error status %ld\n", |
722 | us->pusb_dev->status); | |
149dded2 WD |
723 | usb_stor_BBB_reset(us); |
724 | return USB_STOR_TRANSPORT_FAILED; | |
725 | } | |
726 | #ifdef BBB_XPORT_TRACE | |
727 | for (index = 0; index < data_actlen; index++) | |
728 | printf("pdata[%d] %#x ", index, srb->pdata[index]); | |
729 | printf("\n"); | |
730 | #endif | |
731 | /* STATUS phase + error handling */ | |
a0cb3fc3 | 732 | st: |
149dded2 | 733 | retry = 0; |
a0cb3fc3 | 734 | again: |
ceb4972a | 735 | debug("STATUS phase\n"); |
f5766139 | 736 | result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE, |
9c998aa8 WD |
737 | &actlen, USB_CNTL_TIMEOUT*5); |
738 | ||
149dded2 | 739 | /* special handling of STALL in STATUS phase */ |
a0cb3fc3 MT |
740 | if ((result < 0) && (retry < 1) && |
741 | (us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a | 742 | debug("STATUS:stall\n"); |
149dded2 WD |
743 | /* clear the STALL on the endpoint */ |
744 | result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in); | |
745 | if (result >= 0 && (retry++ < 1)) | |
746 | /* do a retry */ | |
747 | goto again; | |
748 | } | |
749 | if (result < 0) { | |
ceb4972a VG |
750 | debug("usb_bulk_msg error status %ld\n", |
751 | us->pusb_dev->status); | |
149dded2 WD |
752 | usb_stor_BBB_reset(us); |
753 | return USB_STOR_TRANSPORT_FAILED; | |
754 | } | |
755 | #ifdef BBB_XPORT_TRACE | |
f5766139 | 756 | ptr = (unsigned char *)csw; |
149dded2 WD |
757 | for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) |
758 | printf("ptr[%d] %#x ", index, ptr[index]); | |
759 | printf("\n"); | |
760 | #endif | |
761 | /* misuse pipe to get the residue */ | |
f5766139 | 762 | pipe = le32_to_cpu(csw->dCSWDataResidue); |
149dded2 WD |
763 | if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) |
764 | pipe = srb->datalen - data_actlen; | |
f5766139 | 765 | if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) { |
ceb4972a | 766 | debug("!CSWSIGNATURE\n"); |
149dded2 WD |
767 | usb_stor_BBB_reset(us); |
768 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 769 | } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) { |
ceb4972a | 770 | debug("!Tag\n"); |
149dded2 WD |
771 | usb_stor_BBB_reset(us); |
772 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 773 | } else if (csw->bCSWStatus > CSWSTATUS_PHASE) { |
ceb4972a | 774 | debug(">PHASE\n"); |
149dded2 WD |
775 | usb_stor_BBB_reset(us); |
776 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 777 | } else if (csw->bCSWStatus == CSWSTATUS_PHASE) { |
ceb4972a | 778 | debug("=PHASE\n"); |
149dded2 WD |
779 | usb_stor_BBB_reset(us); |
780 | return USB_STOR_TRANSPORT_FAILED; | |
781 | } else if (data_actlen > srb->datalen) { | |
ceb4972a VG |
782 | debug("transferred %dB instead of %ldB\n", |
783 | data_actlen, srb->datalen); | |
149dded2 | 784 | return USB_STOR_TRANSPORT_FAILED; |
f5766139 | 785 | } else if (csw->bCSWStatus == CSWSTATUS_FAILED) { |
ceb4972a | 786 | debug("FAILED\n"); |
149dded2 WD |
787 | return USB_STOR_TRANSPORT_FAILED; |
788 | } | |
789 | ||
790 | return result; | |
791 | } | |
792 | ||
199adb60 | 793 | static int usb_stor_CB_transport(ccb *srb, struct us_data *us) |
affae2bf | 794 | { |
a0cb3fc3 | 795 | int result, status; |
affae2bf WD |
796 | ccb *psrb; |
797 | ccb reqsrb; | |
a0cb3fc3 | 798 | int retry, notready; |
affae2bf | 799 | |
d0ff51ba | 800 | psrb = &reqsrb; |
a0cb3fc3 MT |
801 | status = USB_STOR_TRANSPORT_GOOD; |
802 | retry = 0; | |
803 | notready = 0; | |
affae2bf WD |
804 | /* issue the command */ |
805 | do_retry: | |
a0cb3fc3 | 806 | result = usb_stor_CB_comdat(srb, us); |
ceb4972a VG |
807 | debug("command / Data returned %d, status %lX\n", |
808 | result, us->pusb_dev->status); | |
affae2bf | 809 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
810 | if (us->protocol == US_PR_CBI) { |
811 | status = usb_stor_CBI_get_status(srb, us); | |
affae2bf | 812 | /* if the status is error, report it */ |
a0cb3fc3 | 813 | if (status == USB_STOR_TRANSPORT_ERROR) { |
ceb4972a | 814 | debug(" USB CBI Command Error\n"); |
affae2bf WD |
815 | return status; |
816 | } | |
a0cb3fc3 MT |
817 | srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); |
818 | srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff); | |
819 | if (!us->ip_data) { | |
820 | /* if the status is good, report it */ | |
821 | if (status == USB_STOR_TRANSPORT_GOOD) { | |
ceb4972a | 822 | debug(" USB CBI Command Good\n"); |
affae2bf WD |
823 | return status; |
824 | } | |
825 | } | |
826 | } | |
827 | /* do we have to issue an auto request? */ | |
828 | /* HERE we have to check the result */ | |
a0cb3fc3 | 829 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 830 | debug("ERROR %lX\n", us->pusb_dev->status); |
affae2bf WD |
831 | us->transport_reset(us); |
832 | return USB_STOR_TRANSPORT_ERROR; | |
833 | } | |
a0cb3fc3 MT |
834 | if ((us->protocol == US_PR_CBI) && |
835 | ((srb->cmd[0] == SCSI_REQ_SENSE) || | |
836 | (srb->cmd[0] == SCSI_INQUIRY))) { | |
837 | /* do not issue an autorequest after request sense */ | |
ceb4972a | 838 | debug("No auto request and good\n"); |
affae2bf WD |
839 | return USB_STOR_TRANSPORT_GOOD; |
840 | } | |
841 | /* issue an request_sense */ | |
a0cb3fc3 MT |
842 | memset(&psrb->cmd[0], 0, 12); |
843 | psrb->cmd[0] = SCSI_REQ_SENSE; | |
844 | psrb->cmd[1] = srb->lun << 5; | |
845 | psrb->cmd[4] = 18; | |
846 | psrb->datalen = 18; | |
d0ff51ba | 847 | psrb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 | 848 | psrb->cmdlen = 12; |
affae2bf | 849 | /* issue the command */ |
a0cb3fc3 | 850 | result = usb_stor_CB_comdat(psrb, us); |
ceb4972a | 851 | debug("auto request returned %d\n", result); |
affae2bf | 852 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
853 | if (us->protocol == US_PR_CBI) |
854 | status = usb_stor_CBI_get_status(psrb, us); | |
855 | ||
856 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a VG |
857 | debug(" AUTO REQUEST ERROR %ld\n", |
858 | us->pusb_dev->status); | |
affae2bf WD |
859 | return USB_STOR_TRANSPORT_ERROR; |
860 | } | |
ceb4972a VG |
861 | debug("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", |
862 | srb->sense_buf[0], srb->sense_buf[2], | |
863 | srb->sense_buf[12], srb->sense_buf[13]); | |
affae2bf | 864 | /* Check the auto request result */ |
a0cb3fc3 MT |
865 | if ((srb->sense_buf[2] == 0) && |
866 | (srb->sense_buf[12] == 0) && | |
867 | (srb->sense_buf[13] == 0)) { | |
868 | /* ok, no sense */ | |
affae2bf | 869 | return USB_STOR_TRANSPORT_GOOD; |
a0cb3fc3 MT |
870 | } |
871 | ||
affae2bf | 872 | /* Check the auto request result */ |
a0cb3fc3 MT |
873 | switch (srb->sense_buf[2]) { |
874 | case 0x01: | |
875 | /* Recovered Error */ | |
149dded2 | 876 | return USB_STOR_TRANSPORT_GOOD; |
80885a9d | 877 | break; |
a0cb3fc3 MT |
878 | case 0x02: |
879 | /* Not Ready */ | |
880 | if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) { | |
881 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
882 | " 0x%02X (NOT READY)\n", srb->cmd[0], | |
883 | srb->sense_buf[0], srb->sense_buf[2], | |
884 | srb->sense_buf[12], srb->sense_buf[13]); | |
149dded2 WD |
885 | return USB_STOR_TRANSPORT_FAILED; |
886 | } else { | |
5b84dd67 | 887 | mdelay(100); |
149dded2 WD |
888 | goto do_retry; |
889 | } | |
890 | break; | |
891 | default: | |
a0cb3fc3 MT |
892 | if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { |
893 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
894 | " 0x%02X\n", srb->cmd[0], srb->sense_buf[0], | |
895 | srb->sense_buf[2], srb->sense_buf[12], | |
896 | srb->sense_buf[13]); | |
149dded2 | 897 | return USB_STOR_TRANSPORT_FAILED; |
a0cb3fc3 | 898 | } else |
149dded2 | 899 | goto do_retry; |
149dded2 | 900 | break; |
affae2bf WD |
901 | } |
902 | return USB_STOR_TRANSPORT_FAILED; | |
903 | } | |
904 | ||
905 | ||
a0cb3fc3 | 906 | static int usb_inquiry(ccb *srb, struct us_data *ss) |
affae2bf | 907 | { |
a0cb3fc3 MT |
908 | int retry, i; |
909 | retry = 5; | |
affae2bf | 910 | do { |
a0cb3fc3 MT |
911 | memset(&srb->cmd[0], 0, 12); |
912 | srb->cmd[0] = SCSI_INQUIRY; | |
99e9ed1f | 913 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
914 | srb->cmd[4] = 36; |
915 | srb->datalen = 36; | |
916 | srb->cmdlen = 12; | |
917 | i = ss->transport(srb, ss); | |
ceb4972a | 918 | debug("inquiry returns %d\n", i); |
a0cb3fc3 | 919 | if (i == 0) |
affae2bf | 920 | break; |
fac71cc4 | 921 | } while (--retry); |
149dded2 | 922 | |
a0cb3fc3 | 923 | if (!retry) { |
affae2bf WD |
924 | printf("error in inquiry\n"); |
925 | return -1; | |
926 | } | |
927 | return 0; | |
928 | } | |
929 | ||
a0cb3fc3 | 930 | static int usb_request_sense(ccb *srb, struct us_data *ss) |
affae2bf WD |
931 | { |
932 | char *ptr; | |
80885a9d | 933 | |
a0cb3fc3 MT |
934 | ptr = (char *)srb->pdata; |
935 | memset(&srb->cmd[0], 0, 12); | |
936 | srb->cmd[0] = SCSI_REQ_SENSE; | |
99e9ed1f | 937 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
938 | srb->cmd[4] = 18; |
939 | srb->datalen = 18; | |
d0ff51ba | 940 | srb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 MT |
941 | srb->cmdlen = 12; |
942 | ss->transport(srb, ss); | |
ceb4972a VG |
943 | debug("Request Sense returned %02X %02X %02X\n", |
944 | srb->sense_buf[2], srb->sense_buf[12], | |
945 | srb->sense_buf[13]); | |
a0cb3fc3 | 946 | srb->pdata = (uchar *)ptr; |
affae2bf WD |
947 | return 0; |
948 | } | |
949 | ||
a0cb3fc3 | 950 | static int usb_test_unit_ready(ccb *srb, struct us_data *ss) |
affae2bf | 951 | { |
9c998aa8 | 952 | int retries = 10; |
149dded2 | 953 | |
affae2bf | 954 | do { |
a0cb3fc3 MT |
955 | memset(&srb->cmd[0], 0, 12); |
956 | srb->cmd[0] = SCSI_TST_U_RDY; | |
99e9ed1f | 957 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
958 | srb->datalen = 0; |
959 | srb->cmdlen = 12; | |
3e8581bb BT |
960 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) { |
961 | ss->flags |= USB_READY; | |
affae2bf | 962 | return 0; |
3e8581bb | 963 | } |
a0cb3fc3 | 964 | usb_request_sense(srb, ss); |
8b57e2f0 VP |
965 | /* |
966 | * Check the Key Code Qualifier, if it matches | |
967 | * "Not Ready - medium not present" | |
968 | * (the sense Key equals 0x2 and the ASC is 0x3a) | |
969 | * return immediately as the medium being absent won't change | |
970 | * unless there is a user action. | |
971 | */ | |
972 | if ((srb->sense_buf[2] == 0x02) && | |
973 | (srb->sense_buf[12] == 0x3a)) | |
974 | return -1; | |
5b84dd67 | 975 | mdelay(100); |
a0cb3fc3 | 976 | } while (retries--); |
149dded2 | 977 | |
affae2bf WD |
978 | return -1; |
979 | } | |
980 | ||
a0cb3fc3 | 981 | static int usb_read_capacity(ccb *srb, struct us_data *ss) |
affae2bf WD |
982 | { |
983 | int retry; | |
a0cb3fc3 MT |
984 | /* XXX retries */ |
985 | retry = 3; | |
affae2bf | 986 | do { |
a0cb3fc3 MT |
987 | memset(&srb->cmd[0], 0, 12); |
988 | srb->cmd[0] = SCSI_RD_CAPAC; | |
99e9ed1f | 989 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
990 | srb->datalen = 8; |
991 | srb->cmdlen = 12; | |
992 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) | |
affae2bf | 993 | return 0; |
a0cb3fc3 | 994 | } while (retry--); |
149dded2 | 995 | |
affae2bf WD |
996 | return -1; |
997 | } | |
998 | ||
a0cb3fc3 MT |
999 | static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start, |
1000 | unsigned short blocks) | |
affae2bf | 1001 | { |
a0cb3fc3 MT |
1002 | memset(&srb->cmd[0], 0, 12); |
1003 | srb->cmd[0] = SCSI_READ10; | |
99e9ed1f | 1004 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1005 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1006 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1007 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1008 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1009 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1010 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1011 | srb->cmdlen = 12; | |
ceb4972a | 1012 | debug("read10: start %lx blocks %x\n", start, blocks); |
a0cb3fc3 | 1013 | return ss->transport(srb, ss); |
affae2bf WD |
1014 | } |
1015 | ||
127e1084 MJ |
1016 | static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start, |
1017 | unsigned short blocks) | |
1018 | { | |
1019 | memset(&srb->cmd[0], 0, 12); | |
1020 | srb->cmd[0] = SCSI_WRITE10; | |
99e9ed1f | 1021 | srb->cmd[1] = srb->lun << 5; |
127e1084 MJ |
1022 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1023 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1024 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1025 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1026 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1027 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1028 | srb->cmdlen = 12; | |
ceb4972a | 1029 | debug("write10: start %lx blocks %x\n", start, blocks); |
127e1084 MJ |
1030 | return ss->transport(srb, ss); |
1031 | } | |
1032 | ||
affae2bf | 1033 | |
ddde6b7c BS |
1034 | #ifdef CONFIG_USB_BIN_FIXUP |
1035 | /* | |
1036 | * Some USB storage devices queried for SCSI identification data respond with | |
1037 | * binary strings, which if output to the console freeze the terminal. The | |
1038 | * workaround is to modify the vendor and product strings read from such | |
1039 | * device with proper values (as reported by 'usb info'). | |
1040 | * | |
1041 | * Vendor and product length limits are taken from the definition of | |
1042 | * block_dev_desc_t in include/part.h. | |
1043 | */ | |
1044 | static void usb_bin_fixup(struct usb_device_descriptor descriptor, | |
1045 | unsigned char vendor[], | |
1046 | unsigned char product[]) { | |
1047 | const unsigned char max_vendor_len = 40; | |
1048 | const unsigned char max_product_len = 20; | |
1049 | if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) { | |
a0cb3fc3 MT |
1050 | strncpy((char *)vendor, "SMSC", max_vendor_len); |
1051 | strncpy((char *)product, "Flash Media Cntrller", | |
1052 | max_product_len); | |
ddde6b7c BS |
1053 | } |
1054 | } | |
1055 | #endif /* CONFIG_USB_BIN_FIXUP */ | |
1056 | ||
ff8fef56 | 1057 | unsigned long usb_stor_read(int device, lbaint_t blknr, |
e81e79ed | 1058 | lbaint_t blkcnt, void *buffer) |
affae2bf | 1059 | { |
e81e79ed GB |
1060 | lbaint_t start, blks; |
1061 | uintptr_t buf_addr; | |
affae2bf WD |
1062 | unsigned short smallblks; |
1063 | struct usb_device *dev; | |
5dd95cf9 | 1064 | struct us_data *ss; |
a0cb3fc3 | 1065 | int retry, i; |
f8d813e3 WD |
1066 | ccb *srb = &usb_ccb; |
1067 | ||
1068 | if (blkcnt == 0) | |
1069 | return 0; | |
1070 | ||
1071 | device &= 0xff; | |
a0cb3fc3 | 1072 | /* Setup device */ |
ceb4972a | 1073 | debug("\nusb_read: dev %d \n", device); |
a0cb3fc3 MT |
1074 | dev = NULL; |
1075 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
1076 | dev = usb_get_dev_index(i); | |
1077 | if (dev == NULL) | |
affae2bf | 1078 | return 0; |
a0cb3fc3 | 1079 | if (dev->devnum == usb_dev_desc[device].target) |
affae2bf WD |
1080 | break; |
1081 | } | |
5dd95cf9 | 1082 | ss = (struct us_data *)dev->privptr; |
affae2bf WD |
1083 | |
1084 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
a0cb3fc3 MT |
1085 | srb->lun = usb_dev_desc[device].lun; |
1086 | buf_addr = (unsigned long)buffer; | |
1087 | start = blknr; | |
1088 | blks = blkcnt; | |
a0cb3fc3 | 1089 | |
ceb4972a VG |
1090 | debug("\nusb_read: dev %d startblk " LBAF ", blccnt " LBAF |
1091 | " buffer %lx\n", device, start, blks, buf_addr); | |
a0cb3fc3 | 1092 | |
affae2bf | 1093 | do { |
a0cb3fc3 MT |
1094 | /* XXX need some comment here */ |
1095 | retry = 2; | |
1096 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1097 | if (blks > USB_MAX_XFER_BLK) |
1098 | smallblks = USB_MAX_XFER_BLK; | |
a0cb3fc3 MT |
1099 | else |
1100 | smallblks = (unsigned short) blks; | |
affae2bf | 1101 | retry_it: |
4bee5c83 | 1102 | if (smallblks == USB_MAX_XFER_BLK) |
affae2bf | 1103 | usb_show_progress(); |
a0cb3fc3 MT |
1104 | srb->datalen = usb_dev_desc[device].blksz * smallblks; |
1105 | srb->pdata = (unsigned char *)buf_addr; | |
5dd95cf9 | 1106 | if (usb_read_10(srb, ss, start, smallblks)) { |
ceb4972a | 1107 | debug("Read ERROR\n"); |
5dd95cf9 | 1108 | usb_request_sense(srb, ss); |
a0cb3fc3 | 1109 | if (retry--) |
affae2bf | 1110 | goto retry_it; |
a0cb3fc3 | 1111 | blkcnt -= blks; |
affae2bf WD |
1112 | break; |
1113 | } | |
a0cb3fc3 MT |
1114 | start += smallblks; |
1115 | blks -= smallblks; | |
1116 | buf_addr += srb->datalen; | |
1117 | } while (blks != 0); | |
3e8581bb | 1118 | ss->flags &= ~USB_READY; |
a0cb3fc3 | 1119 | |
ceb4972a VG |
1120 | debug("usb_read: end startblk " LBAF |
1121 | ", blccnt %x buffer %lx\n", | |
1122 | start, smallblks, buf_addr); | |
a0cb3fc3 | 1123 | |
affae2bf | 1124 | usb_disable_asynch(0); /* asynch transfer allowed */ |
4bee5c83 | 1125 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1126 | debug("\n"); |
a0cb3fc3 | 1127 | return blkcnt; |
affae2bf WD |
1128 | } |
1129 | ||
ff8fef56 | 1130 | unsigned long usb_stor_write(int device, lbaint_t blknr, |
e81e79ed | 1131 | lbaint_t blkcnt, const void *buffer) |
127e1084 | 1132 | { |
e81e79ed GB |
1133 | lbaint_t start, blks; |
1134 | uintptr_t buf_addr; | |
127e1084 MJ |
1135 | unsigned short smallblks; |
1136 | struct usb_device *dev; | |
5dd95cf9 | 1137 | struct us_data *ss; |
127e1084 MJ |
1138 | int retry, i; |
1139 | ccb *srb = &usb_ccb; | |
1140 | ||
1141 | if (blkcnt == 0) | |
1142 | return 0; | |
1143 | ||
1144 | device &= 0xff; | |
1145 | /* Setup device */ | |
ceb4972a | 1146 | debug("\nusb_write: dev %d \n", device); |
127e1084 MJ |
1147 | dev = NULL; |
1148 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
1149 | dev = usb_get_dev_index(i); | |
1150 | if (dev == NULL) | |
1151 | return 0; | |
1152 | if (dev->devnum == usb_dev_desc[device].target) | |
1153 | break; | |
1154 | } | |
5dd95cf9 | 1155 | ss = (struct us_data *)dev->privptr; |
127e1084 MJ |
1156 | |
1157 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1158 | ||
1159 | srb->lun = usb_dev_desc[device].lun; | |
1160 | buf_addr = (unsigned long)buffer; | |
1161 | start = blknr; | |
1162 | blks = blkcnt; | |
127e1084 | 1163 | |
ceb4972a VG |
1164 | debug("\nusb_write: dev %d startblk " LBAF ", blccnt " LBAF |
1165 | " buffer %lx\n", device, start, blks, buf_addr); | |
127e1084 MJ |
1166 | |
1167 | do { | |
1168 | /* If write fails retry for max retry count else | |
1169 | * return with number of blocks written successfully. | |
1170 | */ | |
1171 | retry = 2; | |
1172 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1173 | if (blks > USB_MAX_XFER_BLK) |
1174 | smallblks = USB_MAX_XFER_BLK; | |
127e1084 MJ |
1175 | else |
1176 | smallblks = (unsigned short) blks; | |
1177 | retry_it: | |
4bee5c83 | 1178 | if (smallblks == USB_MAX_XFER_BLK) |
127e1084 MJ |
1179 | usb_show_progress(); |
1180 | srb->datalen = usb_dev_desc[device].blksz * smallblks; | |
1181 | srb->pdata = (unsigned char *)buf_addr; | |
5dd95cf9 | 1182 | if (usb_write_10(srb, ss, start, smallblks)) { |
ceb4972a | 1183 | debug("Write ERROR\n"); |
5dd95cf9 | 1184 | usb_request_sense(srb, ss); |
127e1084 MJ |
1185 | if (retry--) |
1186 | goto retry_it; | |
1187 | blkcnt -= blks; | |
1188 | break; | |
1189 | } | |
1190 | start += smallblks; | |
1191 | blks -= smallblks; | |
1192 | buf_addr += srb->datalen; | |
1193 | } while (blks != 0); | |
3e8581bb | 1194 | ss->flags &= ~USB_READY; |
127e1084 | 1195 | |
ceb4972a VG |
1196 | debug("usb_write: end startblk " LBAF ", blccnt %x buffer %lx\n", |
1197 | start, smallblks, buf_addr); | |
127e1084 MJ |
1198 | |
1199 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
4bee5c83 | 1200 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1201 | debug("\n"); |
127e1084 MJ |
1202 | return blkcnt; |
1203 | ||
1204 | } | |
affae2bf WD |
1205 | |
1206 | /* Probe to see if a new device is actually a Storage device */ | |
a0cb3fc3 MT |
1207 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
1208 | struct us_data *ss) | |
affae2bf | 1209 | { |
8f8bd565 | 1210 | struct usb_interface *iface; |
affae2bf | 1211 | int i; |
605bd75a | 1212 | struct usb_endpoint_descriptor *ep_desc; |
affae2bf WD |
1213 | unsigned int flags = 0; |
1214 | ||
1215 | int protocol = 0; | |
1216 | int subclass = 0; | |
1217 | ||
affae2bf WD |
1218 | /* let's examine the device now */ |
1219 | iface = &dev->config.if_desc[ifnum]; | |
1220 | ||
1221 | #if 0 | |
1222 | /* this is the place to patch some storage devices */ | |
ceb4972a | 1223 | debug("iVendor %X iProduct %X\n", dev->descriptor.idVendor, |
a0cb3fc3 MT |
1224 | dev->descriptor.idProduct); |
1225 | ||
1226 | if ((dev->descriptor.idVendor) == 0x066b && | |
1227 | (dev->descriptor.idProduct) == 0x0103) { | |
ceb4972a | 1228 | debug("patched for E-USB\n"); |
affae2bf WD |
1229 | protocol = US_PR_CB; |
1230 | subclass = US_SC_UFI; /* an assumption */ | |
1231 | } | |
1232 | #endif | |
1233 | ||
1234 | if (dev->descriptor.bDeviceClass != 0 || | |
8f8bd565 TR |
1235 | iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE || |
1236 | iface->desc.bInterfaceSubClass < US_SC_MIN || | |
1237 | iface->desc.bInterfaceSubClass > US_SC_MAX) { | |
affae2bf WD |
1238 | /* if it's not a mass storage, we go no further */ |
1239 | return 0; | |
1240 | } | |
1241 | ||
9c998aa8 WD |
1242 | memset(ss, 0, sizeof(struct us_data)); |
1243 | ||
affae2bf | 1244 | /* At this point, we know we've got a live one */ |
ceb4972a | 1245 | debug("\n\nUSB Mass Storage device detected\n"); |
affae2bf WD |
1246 | |
1247 | /* Initialize the us_data structure with some useful info */ | |
1248 | ss->flags = flags; | |
1249 | ss->ifnum = ifnum; | |
1250 | ss->pusb_dev = dev; | |
1251 | ss->attention_done = 0; | |
1252 | ||
1253 | /* If the device has subclass and protocol, then use that. Otherwise, | |
1254 | * take data from the specific interface. | |
1255 | */ | |
1256 | if (subclass) { | |
1257 | ss->subclass = subclass; | |
1258 | ss->protocol = protocol; | |
1259 | } else { | |
8f8bd565 TR |
1260 | ss->subclass = iface->desc.bInterfaceSubClass; |
1261 | ss->protocol = iface->desc.bInterfaceProtocol; | |
affae2bf WD |
1262 | } |
1263 | ||
1264 | /* set the handler pointers based on the protocol */ | |
ceb4972a | 1265 | debug("Transport: "); |
affae2bf WD |
1266 | switch (ss->protocol) { |
1267 | case US_PR_CB: | |
ceb4972a | 1268 | debug("Control/Bulk\n"); |
affae2bf WD |
1269 | ss->transport = usb_stor_CB_transport; |
1270 | ss->transport_reset = usb_stor_CB_reset; | |
1271 | break; | |
1272 | ||
1273 | case US_PR_CBI: | |
ceb4972a | 1274 | debug("Control/Bulk/Interrupt\n"); |
affae2bf WD |
1275 | ss->transport = usb_stor_CB_transport; |
1276 | ss->transport_reset = usb_stor_CB_reset; | |
1277 | break; | |
149dded2 | 1278 | case US_PR_BULK: |
ceb4972a | 1279 | debug("Bulk/Bulk/Bulk\n"); |
149dded2 WD |
1280 | ss->transport = usb_stor_BBB_transport; |
1281 | ss->transport_reset = usb_stor_BBB_reset; | |
1282 | break; | |
affae2bf | 1283 | default: |
80885a9d | 1284 | printf("USB Storage Transport unknown / not yet implemented\n"); |
affae2bf WD |
1285 | return 0; |
1286 | break; | |
1287 | } | |
1288 | ||
1289 | /* | |
1290 | * We are expecting a minimum of 2 endpoints - in and out (bulk). | |
1291 | * An optional interrupt is OK (necessary for CBI protocol). | |
1292 | * We will ignore any others. | |
1293 | */ | |
8f8bd565 | 1294 | for (i = 0; i < iface->desc.bNumEndpoints; i++) { |
605bd75a | 1295 | ep_desc = &iface->ep_desc[i]; |
affae2bf | 1296 | /* is it an BULK endpoint? */ |
605bd75a | 1297 | if ((ep_desc->bmAttributes & |
a0cb3fc3 | 1298 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { |
605bd75a VG |
1299 | if (ep_desc->bEndpointAddress & USB_DIR_IN) |
1300 | ss->ep_in = ep_desc->bEndpointAddress & | |
1301 | USB_ENDPOINT_NUMBER_MASK; | |
affae2bf | 1302 | else |
a0cb3fc3 | 1303 | ss->ep_out = |
605bd75a | 1304 | ep_desc->bEndpointAddress & |
affae2bf WD |
1305 | USB_ENDPOINT_NUMBER_MASK; |
1306 | } | |
1307 | ||
1308 | /* is it an interrupt endpoint? */ | |
605bd75a VG |
1309 | if ((ep_desc->bmAttributes & |
1310 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { | |
1311 | ss->ep_int = ep_desc->bEndpointAddress & | |
1312 | USB_ENDPOINT_NUMBER_MASK; | |
1313 | ss->irqinterval = ep_desc->bInterval; | |
affae2bf WD |
1314 | } |
1315 | } | |
ceb4972a VG |
1316 | debug("Endpoints In %d Out %d Int %d\n", |
1317 | ss->ep_in, ss->ep_out, ss->ep_int); | |
affae2bf WD |
1318 | |
1319 | /* Do some basic sanity checks, and bail if we find a problem */ | |
8f8bd565 | 1320 | if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) || |
affae2bf WD |
1321 | !ss->ep_in || !ss->ep_out || |
1322 | (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { | |
ceb4972a | 1323 | debug("Problems with device\n"); |
affae2bf WD |
1324 | return 0; |
1325 | } | |
1326 | /* set class specific stuff */ | |
149dded2 WD |
1327 | /* We only handle certain protocols. Currently, these are |
1328 | * the only ones. | |
80885a9d | 1329 | * The SFF8070 accepts the requests used in u-boot |
affae2bf | 1330 | */ |
80885a9d WD |
1331 | if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI && |
1332 | ss->subclass != US_SC_8070) { | |
a0cb3fc3 | 1333 | printf("Sorry, protocol %d not yet supported.\n", ss->subclass); |
affae2bf WD |
1334 | return 0; |
1335 | } | |
a0cb3fc3 MT |
1336 | if (ss->ep_int) { |
1337 | /* we had found an interrupt endpoint, prepare irq pipe | |
1338 | * set up the IRQ pipe and handler | |
1339 | */ | |
affae2bf WD |
1340 | ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255; |
1341 | ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int); | |
1342 | ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe); | |
a0cb3fc3 | 1343 | dev->irq_handle = usb_stor_irq; |
affae2bf | 1344 | } |
a0cb3fc3 | 1345 | dev->privptr = (void *)ss; |
affae2bf WD |
1346 | return 1; |
1347 | } | |
1348 | ||
a0cb3fc3 MT |
1349 | int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, |
1350 | block_dev_desc_t *dev_desc) | |
affae2bf | 1351 | { |
a0cb3fc3 | 1352 | unsigned char perq, modi; |
f5766139 PS |
1353 | ALLOC_CACHE_ALIGN_BUFFER(unsigned long, cap, 2); |
1354 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, usb_stor_buf, 36); | |
a0cb3fc3 | 1355 | unsigned long *capacity, *blksz; |
9c998aa8 WD |
1356 | ccb *pccb = &usb_ccb; |
1357 | ||
9c998aa8 WD |
1358 | pccb->pdata = usb_stor_buf; |
1359 | ||
1360 | dev_desc->target = dev->devnum; | |
1361 | pccb->lun = dev_desc->lun; | |
ceb4972a | 1362 | debug(" address %d\n", dev_desc->target); |
affae2bf | 1363 | |
a0cb3fc3 | 1364 | if (usb_inquiry(pccb, ss)) |
affae2bf | 1365 | return -1; |
095b8a37 | 1366 | |
9c998aa8 WD |
1367 | perq = usb_stor_buf[0]; |
1368 | modi = usb_stor_buf[1]; | |
a0cb3fc3 MT |
1369 | |
1370 | if ((perq & 0x1f) == 0x1f) { | |
1371 | /* skip unknown devices */ | |
1372 | return 0; | |
affae2bf | 1373 | } |
a0cb3fc3 MT |
1374 | if ((modi&0x80) == 0x80) { |
1375 | /* drive is removable */ | |
9c998aa8 | 1376 | dev_desc->removable = 1; |
affae2bf | 1377 | } |
f5766139 PS |
1378 | memcpy(&dev_desc->vendor[0], (const void *) &usb_stor_buf[8], 8); |
1379 | memcpy(&dev_desc->product[0], (const void *) &usb_stor_buf[16], 16); | |
1380 | memcpy(&dev_desc->revision[0], (const void *) &usb_stor_buf[32], 4); | |
9c998aa8 WD |
1381 | dev_desc->vendor[8] = 0; |
1382 | dev_desc->product[16] = 0; | |
1383 | dev_desc->revision[4] = 0; | |
ddde6b7c | 1384 | #ifdef CONFIG_USB_BIN_FIXUP |
a0cb3fc3 MT |
1385 | usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, |
1386 | (uchar *)dev_desc->product); | |
ddde6b7c | 1387 | #endif /* CONFIG_USB_BIN_FIXUP */ |
ceb4972a VG |
1388 | debug("ISO Vers %X, Response Data %X\n", usb_stor_buf[2], |
1389 | usb_stor_buf[3]); | |
a0cb3fc3 MT |
1390 | if (usb_test_unit_ready(pccb, ss)) { |
1391 | printf("Device NOT ready\n" | |
1392 | " Request Sense returned %02X %02X %02X\n", | |
1393 | pccb->sense_buf[2], pccb->sense_buf[12], | |
1394 | pccb->sense_buf[13]); | |
1395 | if (dev_desc->removable == 1) { | |
9c998aa8 | 1396 | dev_desc->type = perq; |
affae2bf WD |
1397 | return 1; |
1398 | } | |
a0cb3fc3 | 1399 | return 0; |
affae2bf | 1400 | } |
9c998aa8 | 1401 | pccb->pdata = (unsigned char *)&cap[0]; |
a0cb3fc3 MT |
1402 | memset(pccb->pdata, 0, 8); |
1403 | if (usb_read_capacity(pccb, ss) != 0) { | |
affae2bf | 1404 | printf("READ_CAP ERROR\n"); |
9c998aa8 WD |
1405 | cap[0] = 2880; |
1406 | cap[1] = 0x200; | |
affae2bf | 1407 | } |
3e8581bb | 1408 | ss->flags &= ~USB_READY; |
ceb4972a | 1409 | debug("Read Capacity returns: 0x%lx, 0x%lx\n", cap[0], cap[1]); |
affae2bf | 1410 | #if 0 |
a0cb3fc3 MT |
1411 | if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ |
1412 | cap[0] >>= 16; | |
affae2bf | 1413 | #endif |
c918261c CE |
1414 | cap[0] = cpu_to_be32(cap[0]); |
1415 | cap[1] = cpu_to_be32(cap[1]); | |
1416 | ||
149dded2 | 1417 | /* this assumes bigendian! */ |
9c998aa8 WD |
1418 | cap[0] += 1; |
1419 | capacity = &cap[0]; | |
1420 | blksz = &cap[1]; | |
ceb4972a | 1421 | debug("Capacity = 0x%lx, blocksz = 0x%lx\n", *capacity, *blksz); |
9c998aa8 WD |
1422 | dev_desc->lba = *capacity; |
1423 | dev_desc->blksz = *blksz; | |
0472fbfd | 1424 | dev_desc->log2blksz = LOG2(dev_desc->blksz); |
9c998aa8 | 1425 | dev_desc->type = perq; |
ceb4972a VG |
1426 | debug(" address %d\n", dev_desc->target); |
1427 | debug("partype: %d\n", dev_desc->part_type); | |
affae2bf WD |
1428 | |
1429 | init_part(dev_desc); | |
1430 | ||
ceb4972a | 1431 | debug("partype: %d\n", dev_desc->part_type); |
affae2bf WD |
1432 | return 1; |
1433 | } |