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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 USB_STOR_DEBUG |
60 | #undef BBB_COMDAT_TRACE | |
61 | #undef BBB_XPORT_TRACE | |
affae2bf WD |
62 | |
63 | #ifdef USB_STOR_DEBUG | |
a0cb3fc3 | 64 | #define USB_STOR_PRINTF(fmt, args...) printf(fmt , ##args) |
affae2bf | 65 | #else |
a0cb3fc3 | 66 | #define USB_STOR_PRINTF(fmt, args...) |
affae2bf WD |
67 | #endif |
68 | ||
69 | #include <scsi.h> | |
70 | /* direction table -- this indicates the direction of the data | |
71 | * transfer for each command code -- a 1 indicates input | |
72 | */ | |
73 | unsigned char us_direction[256/8] = { | |
74 | 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77, | |
75 | 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, | |
76 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, | |
77 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
78 | }; | |
79 | #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1) | |
80 | ||
81 | static unsigned char usb_stor_buf[512]; | |
82 | static ccb usb_ccb; | |
83 | ||
84 | /* | |
85 | * CBI style | |
86 | */ | |
87 | ||
88 | #define US_CBI_ADSC 0 | |
89 | ||
149dded2 WD |
90 | /* |
91 | * BULK only | |
92 | */ | |
93 | #define US_BBB_RESET 0xff | |
94 | #define US_BBB_GET_MAX_LUN 0xfe | |
95 | ||
96 | /* Command Block Wrapper */ | |
97 | typedef struct { | |
98 | __u32 dCBWSignature; | |
99 | # define CBWSIGNATURE 0x43425355 | |
100 | __u32 dCBWTag; | |
101 | __u32 dCBWDataTransferLength; | |
102 | __u8 bCBWFlags; | |
103 | # define CBWFLAGS_OUT 0x00 | |
104 | # define CBWFLAGS_IN 0x80 | |
105 | __u8 bCBWLUN; | |
106 | __u8 bCDBLength; | |
107 | # define CBWCDBLENGTH 16 | |
108 | __u8 CBWCDB[CBWCDBLENGTH]; | |
109 | } umass_bbb_cbw_t; | |
80885a9d | 110 | #define UMASS_BBB_CBW_SIZE 31 |
a0cb3fc3 | 111 | static __u32 CBWTag; |
149dded2 WD |
112 | |
113 | /* Command Status Wrapper */ | |
114 | typedef struct { | |
115 | __u32 dCSWSignature; | |
116 | # define CSWSIGNATURE 0x53425355 | |
117 | __u32 dCSWTag; | |
118 | __u32 dCSWDataResidue; | |
119 | __u8 bCSWStatus; | |
120 | # define CSWSTATUS_GOOD 0x0 | |
80885a9d | 121 | # define CSWSTATUS_FAILED 0x1 |
149dded2 WD |
122 | # define CSWSTATUS_PHASE 0x2 |
123 | } umass_bbb_csw_t; | |
80885a9d | 124 | #define UMASS_BBB_CSW_SIZE 13 |
affae2bf WD |
125 | |
126 | #define USB_MAX_STOR_DEV 5 | |
a0cb3fc3 | 127 | static int usb_max_devs; /* number of highest available usb device */ |
affae2bf WD |
128 | |
129 | static block_dev_desc_t usb_dev_desc[USB_MAX_STOR_DEV]; | |
130 | ||
131 | struct us_data; | |
a0cb3fc3 MT |
132 | typedef int (*trans_cmnd)(ccb *cb, struct us_data *data); |
133 | typedef int (*trans_reset)(struct us_data *data); | |
affae2bf WD |
134 | |
135 | struct us_data { | |
a0cb3fc3 MT |
136 | struct usb_device *pusb_dev; /* this usb_device */ |
137 | ||
138 | unsigned int flags; /* from filter initially */ | |
139 | unsigned char ifnum; /* interface number */ | |
140 | unsigned char ep_in; /* in endpoint */ | |
141 | unsigned char ep_out; /* out ....... */ | |
142 | unsigned char ep_int; /* interrupt . */ | |
143 | unsigned char subclass; /* as in overview */ | |
144 | unsigned char protocol; /* .............. */ | |
145 | unsigned char attention_done; /* force attn on first cmd */ | |
146 | unsigned short ip_data; /* interrupt data */ | |
147 | int action; /* what to do */ | |
148 | int ip_wanted; /* needed */ | |
149 | int *irq_handle; /* for USB int requests */ | |
150 | unsigned int irqpipe; /* pipe for release_irq */ | |
151 | unsigned char irqmaxp; /* max packed for irq Pipe */ | |
152 | unsigned char irqinterval; /* Intervall for IRQ Pipe */ | |
153 | ccb *srb; /* current srb */ | |
154 | trans_reset transport_reset; /* reset routine */ | |
155 | trans_cmnd transport; /* transport routine */ | |
affae2bf WD |
156 | }; |
157 | ||
158 | static struct us_data usb_stor[USB_MAX_STOR_DEV]; | |
159 | ||
160 | ||
80885a9d | 161 | #define USB_STOR_TRANSPORT_GOOD 0 |
affae2bf WD |
162 | #define USB_STOR_TRANSPORT_FAILED -1 |
163 | #define USB_STOR_TRANSPORT_ERROR -2 | |
164 | ||
a0cb3fc3 MT |
165 | int usb_stor_get_info(struct usb_device *dev, struct us_data *us, |
166 | block_dev_desc_t *dev_desc); | |
167 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, | |
168 | struct us_data *ss); | |
169 | unsigned long usb_stor_read(int device, unsigned long blknr, | |
170 | unsigned long blkcnt, void *buffer); | |
affae2bf WD |
171 | struct usb_device * usb_get_dev_index(int index); |
172 | void uhci_show_temp_int_td(void); | |
173 | ||
174 | block_dev_desc_t *usb_stor_get_dev(int index) | |
175 | { | |
735dd97b | 176 | return (index < USB_MAX_STOR_DEV) ? &usb_dev_desc[index] : NULL; |
affae2bf WD |
177 | } |
178 | ||
179 | ||
180 | void usb_show_progress(void) | |
181 | { | |
182 | printf("."); | |
183 | } | |
184 | ||
a0cb3fc3 | 185 | /******************************************************************************* |
9c998aa8 WD |
186 | * show info on storage devices; 'usb start/init' must be invoked earlier |
187 | * as we only retrieve structures populated during devices initialization | |
188 | */ | |
f6b44e0e | 189 | int usb_stor_info(void) |
9c998aa8 WD |
190 | { |
191 | int i; | |
192 | ||
f6b44e0e | 193 | if (usb_max_devs > 0) { |
9c998aa8 | 194 | for (i = 0; i < usb_max_devs; i++) { |
a0cb3fc3 | 195 | printf(" Device %d: ", i); |
9c998aa8 WD |
196 | dev_print(&usb_dev_desc[i]); |
197 | } | |
b9e749e9 | 198 | return 0; |
f6b44e0e | 199 | } |
1aeed8d7 | 200 | |
b9e749e9 MK |
201 | printf("No storage devices, perhaps not 'usb start'ed..?\n"); |
202 | return 1; | |
9c998aa8 WD |
203 | } |
204 | ||
a0cb3fc3 | 205 | /******************************************************************************* |
9c998aa8 | 206 | * scan the usb and reports device info |
affae2bf WD |
207 | * to the user if mode = 1 |
208 | * returns current device or -1 if no | |
209 | */ | |
210 | int usb_stor_scan(int mode) | |
211 | { | |
212 | unsigned char i; | |
213 | struct usb_device *dev; | |
214 | ||
149dded2 WD |
215 | /* GJ */ |
216 | memset(usb_stor_buf, 0, sizeof(usb_stor_buf)); | |
217 | ||
a0cb3fc3 | 218 | if (mode == 1) |
9c998aa8 | 219 | printf(" scanning bus for storage devices... "); |
a0cb3fc3 | 220 | |
affae2bf WD |
221 | usb_disable_asynch(1); /* asynch transfer not allowed */ |
222 | ||
a0cb3fc3 MT |
223 | for (i = 0; i < USB_MAX_STOR_DEV; i++) { |
224 | memset(&usb_dev_desc[i], 0, sizeof(block_dev_desc_t)); | |
225 | usb_dev_desc[i].target = 0xff; | |
226 | usb_dev_desc[i].if_type = IF_TYPE_USB; | |
227 | usb_dev_desc[i].dev = i; | |
228 | usb_dev_desc[i].part_type = PART_TYPE_UNKNOWN; | |
229 | usb_dev_desc[i].block_read = usb_stor_read; | |
affae2bf | 230 | } |
9c998aa8 | 231 | |
a0cb3fc3 MT |
232 | usb_max_devs = 0; |
233 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
234 | dev = usb_get_dev_index(i); /* get device */ | |
235 | USB_STOR_PRINTF("i=%d\n", i); | |
236 | if (dev == NULL) | |
affae2bf | 237 | break; /* no more devices avaiable */ |
a0cb3fc3 MT |
238 | |
239 | if (usb_storage_probe(dev, 0, &usb_stor[usb_max_devs])) { | |
240 | /* ok, it is a storage devices | |
241 | * get info and fill it in | |
242 | */ | |
243 | if (usb_stor_get_info(dev, &usb_stor[usb_max_devs], | |
244 | &usb_dev_desc[usb_max_devs])) | |
affae2bf | 245 | usb_max_devs++; |
a0cb3fc3 MT |
246 | } |
247 | /* if storage device */ | |
248 | if (usb_max_devs == USB_MAX_STOR_DEV) { | |
249 | printf("max USB Storage Device reached: %d stopping\n", | |
250 | usb_max_devs); | |
affae2bf WD |
251 | break; |
252 | } | |
253 | } /* for */ | |
095b8a37 | 254 | |
affae2bf | 255 | usb_disable_asynch(0); /* asynch transfer allowed */ |
9c998aa8 | 256 | printf("%d Storage Device(s) found\n", usb_max_devs); |
a0cb3fc3 | 257 | if (usb_max_devs > 0) |
affae2bf | 258 | return 0; |
a0cb3fc3 | 259 | return -1; |
affae2bf WD |
260 | } |
261 | ||
262 | static int usb_stor_irq(struct usb_device *dev) | |
263 | { | |
264 | struct us_data *us; | |
a0cb3fc3 | 265 | us = (struct us_data *)dev->privptr; |
affae2bf | 266 | |
a0cb3fc3 MT |
267 | if (us->ip_wanted) |
268 | us->ip_wanted = 0; | |
affae2bf WD |
269 | return 0; |
270 | } | |
271 | ||
272 | ||
273 | #ifdef USB_STOR_DEBUG | |
274 | ||
a0cb3fc3 | 275 | static void usb_show_srb(ccb *pccb) |
affae2bf WD |
276 | { |
277 | int i; | |
a0cb3fc3 MT |
278 | printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen); |
279 | for (i = 0; i < 12; i++) | |
280 | printf("%02X ", pccb->cmd[i]); | |
affae2bf WD |
281 | printf("\n"); |
282 | } | |
283 | ||
284 | static void display_int_status(unsigned long tmp) | |
285 | { | |
286 | printf("Status: %s %s %s %s %s %s %s\n", | |
287 | (tmp & USB_ST_ACTIVE) ? "Active" : "", | |
288 | (tmp & USB_ST_STALLED) ? "Stalled" : "", | |
289 | (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "", | |
290 | (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "", | |
291 | (tmp & USB_ST_NAK_REC) ? "NAKed" : "", | |
292 | (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "", | |
293 | (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : ""); | |
294 | } | |
295 | #endif | |
296 | /*********************************************************************** | |
297 | * Data transfer routines | |
298 | ***********************************************************************/ | |
299 | ||
300 | static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) | |
301 | { | |
302 | int max_size; | |
303 | int this_xfer; | |
304 | int result; | |
305 | int partial; | |
306 | int maxtry; | |
307 | int stat; | |
308 | ||
309 | /* determine the maximum packet size for these transfers */ | |
310 | max_size = usb_maxpacket(us->pusb_dev, pipe) * 16; | |
311 | ||
312 | /* while we have data left to transfer */ | |
313 | while (length) { | |
314 | ||
315 | /* calculate how long this will be -- maximum or a remainder */ | |
316 | this_xfer = length > max_size ? max_size : length; | |
317 | length -= this_xfer; | |
318 | ||
319 | /* setup the retry counter */ | |
320 | maxtry = 10; | |
321 | ||
322 | /* set up the transfer loop */ | |
323 | do { | |
324 | /* transfer the data */ | |
325 | USB_STOR_PRINTF("Bulk xfer 0x%x(%d) try #%d\n", | |
326 | (unsigned int)buf, this_xfer, 11 - maxtry); | |
327 | result = usb_bulk_msg(us->pusb_dev, pipe, buf, | |
a0cb3fc3 MT |
328 | this_xfer, &partial, |
329 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
330 | USB_STOR_PRINTF("bulk_msg returned %d xferred %d/%d\n", |
331 | result, partial, this_xfer); | |
a0cb3fc3 MT |
332 | if (us->pusb_dev->status != 0) { |
333 | /* if we stall, we need to clear it before | |
334 | * we go on | |
335 | */ | |
affae2bf WD |
336 | #ifdef USB_STOR_DEBUG |
337 | display_int_status(us->pusb_dev->status); | |
338 | #endif | |
339 | if (us->pusb_dev->status & USB_ST_STALLED) { | |
340 | USB_STOR_PRINTF("stalled ->clearing endpoint halt for pipe 0x%x\n", pipe); | |
341 | stat = us->pusb_dev->status; | |
342 | usb_clear_halt(us->pusb_dev, pipe); | |
a0cb3fc3 MT |
343 | us->pusb_dev->status = stat; |
344 | if (this_xfer == partial) { | |
345 | USB_STOR_PRINTF("bulk transferred with error %X, but data ok\n", us->pusb_dev->status); | |
affae2bf WD |
346 | return 0; |
347 | } | |
348 | else | |
349 | return result; | |
350 | } | |
351 | if (us->pusb_dev->status & USB_ST_NAK_REC) { | |
352 | USB_STOR_PRINTF("Device NAKed bulk_msg\n"); | |
353 | return result; | |
354 | } | |
a0cb3fc3 MT |
355 | USB_STOR_PRINTF("bulk transferred with error"); |
356 | if (this_xfer == partial) { | |
357 | USB_STOR_PRINTF(" %d, but data ok\n", | |
358 | us->pusb_dev->status); | |
affae2bf WD |
359 | return 0; |
360 | } | |
361 | /* if our try counter reaches 0, bail out */ | |
a0cb3fc3 MT |
362 | USB_STOR_PRINTF(" %d, data %d\n", |
363 | us->pusb_dev->status, partial); | |
affae2bf WD |
364 | if (!maxtry--) |
365 | return result; | |
366 | } | |
367 | /* update to show what data was transferred */ | |
368 | this_xfer -= partial; | |
369 | buf += partial; | |
370 | /* continue until this transfer is done */ | |
a0cb3fc3 | 371 | } while (this_xfer); |
affae2bf WD |
372 | } |
373 | ||
374 | /* if we get here, we're done and successful */ | |
375 | return 0; | |
376 | } | |
377 | ||
149dded2 WD |
378 | static int usb_stor_BBB_reset(struct us_data *us) |
379 | { | |
380 | int result; | |
381 | unsigned int pipe; | |
382 | ||
383 | /* | |
384 | * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) | |
385 | * | |
386 | * For Reset Recovery the host shall issue in the following order: | |
387 | * a) a Bulk-Only Mass Storage Reset | |
388 | * b) a Clear Feature HALT to the Bulk-In endpoint | |
389 | * c) a Clear Feature HALT to the Bulk-Out endpoint | |
390 | * | |
391 | * This is done in 3 steps. | |
392 | * | |
393 | * If the reset doesn't succeed, the device should be port reset. | |
394 | * | |
395 | * This comment stolen from FreeBSD's /sys/dev/usb/umass.c. | |
396 | */ | |
397 | USB_STOR_PRINTF("BBB_reset\n"); | |
a0cb3fc3 MT |
398 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
399 | US_BBB_RESET, | |
400 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
401 | 0, us->ifnum, 0, 0, USB_CNTL_TIMEOUT * 5); | |
9c998aa8 | 402 | |
a0cb3fc3 | 403 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
149dded2 WD |
404 | USB_STOR_PRINTF("RESET:stall\n"); |
405 | return -1; | |
406 | } | |
9c998aa8 | 407 | |
149dded2 WD |
408 | /* long wait for reset */ |
409 | wait_ms(150); | |
a0cb3fc3 MT |
410 | USB_STOR_PRINTF("BBB_reset result %d: status %X reset\n", result, |
411 | us->pusb_dev->status); | |
149dded2 WD |
412 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
413 | result = usb_clear_halt(us->pusb_dev, pipe); | |
414 | /* long wait for reset */ | |
415 | wait_ms(150); | |
a0cb3fc3 MT |
416 | USB_STOR_PRINTF("BBB_reset result %d: status %X clearing IN endpoint\n", |
417 | result, us->pusb_dev->status); | |
149dded2 WD |
418 | /* long wait for reset */ |
419 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
420 | result = usb_clear_halt(us->pusb_dev, pipe); | |
421 | wait_ms(150); | |
a0cb3fc3 MT |
422 | USB_STOR_PRINTF("BBB_reset result %d: status %X" |
423 | " clearing OUT endpoint\n", result, | |
424 | us->pusb_dev->status); | |
149dded2 WD |
425 | USB_STOR_PRINTF("BBB_reset done\n"); |
426 | return 0; | |
427 | } | |
428 | ||
affae2bf WD |
429 | /* FIXME: this reset function doesn't really reset the port, and it |
430 | * should. Actually it should probably do what it's doing here, and | |
431 | * reset the port physically | |
432 | */ | |
433 | static int usb_stor_CB_reset(struct us_data *us) | |
434 | { | |
435 | unsigned char cmd[12]; | |
436 | int result; | |
437 | ||
438 | USB_STOR_PRINTF("CB_reset\n"); | |
a0cb3fc3 | 439 | memset(cmd, 0xff, sizeof(cmd)); |
affae2bf WD |
440 | cmd[0] = SCSI_SEND_DIAG; |
441 | cmd[1] = 4; | |
a0cb3fc3 MT |
442 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
443 | US_CBI_ADSC, | |
444 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
445 | 0, us->ifnum, cmd, sizeof(cmd), | |
446 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
447 | |
448 | /* long wait for reset */ | |
449 | wait_ms(1500); | |
a0cb3fc3 MT |
450 | USB_STOR_PRINTF("CB_reset result %d: status %X" |
451 | " clearing endpoint halt\n", result, | |
452 | us->pusb_dev->status); | |
affae2bf WD |
453 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in)); |
454 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); | |
455 | ||
456 | USB_STOR_PRINTF("CB_reset done\n"); | |
457 | return 0; | |
458 | } | |
459 | ||
149dded2 WD |
460 | /* |
461 | * Set up the command for a BBB device. Note that the actual SCSI | |
462 | * command is copied into cbw.CBWCDB. | |
463 | */ | |
464 | int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) | |
465 | { | |
466 | int result; | |
467 | int actlen; | |
468 | int dir_in; | |
469 | unsigned int pipe; | |
470 | umass_bbb_cbw_t cbw; | |
471 | ||
472 | dir_in = US_DIRECTION(srb->cmd[0]); | |
473 | ||
474 | #ifdef BBB_COMDAT_TRACE | |
a0cb3fc3 MT |
475 | printf("dir %d lun %d cmdlen %d cmd %p datalen %d pdata %p\n", |
476 | dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, | |
477 | srb->pdata); | |
149dded2 | 478 | if (srb->cmdlen) { |
a0cb3fc3 | 479 | for (result = 0; result < srb->cmdlen; result++) |
149dded2 WD |
480 | printf("cmd[%d] %#x ", result, srb->cmd[result]); |
481 | printf("\n"); | |
482 | } | |
483 | #endif | |
484 | /* sanity checks */ | |
485 | if (!(srb->cmdlen <= CBWCDBLENGTH)) { | |
486 | USB_STOR_PRINTF("usb_stor_BBB_comdat:cmdlen too large\n"); | |
487 | return -1; | |
488 | } | |
489 | ||
490 | /* always OUT to the ep */ | |
491 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
492 | ||
c918261c CE |
493 | cbw.dCBWSignature = cpu_to_le32(CBWSIGNATURE); |
494 | cbw.dCBWTag = cpu_to_le32(CBWTag++); | |
495 | cbw.dCBWDataTransferLength = cpu_to_le32(srb->datalen); | |
a0cb3fc3 | 496 | cbw.bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT); |
149dded2 WD |
497 | cbw.bCBWLUN = srb->lun; |
498 | cbw.bCDBLength = srb->cmdlen; | |
499 | /* copy the command data into the CBW command data buffer */ | |
500 | /* DST SRC LEN!!! */ | |
501 | memcpy(cbw.CBWCDB, srb->cmd, srb->cmdlen); | |
a0cb3fc3 MT |
502 | result = usb_bulk_msg(us->pusb_dev, pipe, &cbw, UMASS_BBB_CBW_SIZE, |
503 | &actlen, USB_CNTL_TIMEOUT * 5); | |
149dded2 WD |
504 | if (result < 0) |
505 | USB_STOR_PRINTF("usb_stor_BBB_comdat:usb_bulk_msg error\n"); | |
506 | return result; | |
507 | } | |
508 | ||
affae2bf WD |
509 | /* FIXME: we also need a CBI_command which sets up the completion |
510 | * interrupt, and waits for it | |
511 | */ | |
512 | int usb_stor_CB_comdat(ccb *srb, struct us_data *us) | |
513 | { | |
77ddac94 | 514 | int result = 0; |
a0cb3fc3 | 515 | int dir_in, retry; |
affae2bf WD |
516 | unsigned int pipe; |
517 | unsigned long status; | |
518 | ||
a0cb3fc3 MT |
519 | retry = 5; |
520 | dir_in = US_DIRECTION(srb->cmd[0]); | |
affae2bf | 521 | |
a0cb3fc3 MT |
522 | if (dir_in) |
523 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); | |
524 | else | |
525 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
526 | ||
527 | while (retry--) { | |
528 | USB_STOR_PRINTF("CBI gets a command: Try %d\n", 5 - retry); | |
affae2bf WD |
529 | #ifdef USB_STOR_DEBUG |
530 | usb_show_srb(srb); | |
531 | #endif | |
532 | /* let's send the command via the control pipe */ | |
a0cb3fc3 MT |
533 | result = usb_control_msg(us->pusb_dev, |
534 | usb_sndctrlpipe(us->pusb_dev , 0), | |
535 | US_CBI_ADSC, | |
536 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
affae2bf | 537 | 0, us->ifnum, |
a0cb3fc3 MT |
538 | srb->cmd, srb->cmdlen, |
539 | USB_CNTL_TIMEOUT * 5); | |
540 | USB_STOR_PRINTF("CB_transport: control msg returned %d," | |
541 | " status %X\n", result, us->pusb_dev->status); | |
affae2bf WD |
542 | /* check the return code for the command */ |
543 | if (result < 0) { | |
a0cb3fc3 MT |
544 | if (us->pusb_dev->status & USB_ST_STALLED) { |
545 | status = us->pusb_dev->status; | |
546 | USB_STOR_PRINTF(" stall during command found," | |
547 | " clear pipe\n"); | |
548 | usb_clear_halt(us->pusb_dev, | |
549 | usb_sndctrlpipe(us->pusb_dev, 0)); | |
550 | us->pusb_dev->status = status; | |
affae2bf | 551 | } |
a0cb3fc3 MT |
552 | USB_STOR_PRINTF(" error during command %02X" |
553 | " Stat = %X\n", srb->cmd[0], | |
554 | us->pusb_dev->status); | |
affae2bf WD |
555 | return result; |
556 | } | |
557 | /* transfer the data payload for this command, if one exists*/ | |
558 | ||
a0cb3fc3 MT |
559 | USB_STOR_PRINTF("CB_transport: control msg returned %d," |
560 | " direction is %s to go 0x%lx\n", result, | |
561 | dir_in ? "IN" : "OUT", srb->datalen); | |
affae2bf | 562 | if (srb->datalen) { |
a0cb3fc3 MT |
563 | result = us_one_transfer(us, pipe, (char *)srb->pdata, |
564 | srb->datalen); | |
565 | USB_STOR_PRINTF("CBI attempted to transfer data," | |
566 | " result is %d status %lX, len %d\n", | |
567 | result, us->pusb_dev->status, | |
568 | us->pusb_dev->act_len); | |
569 | if (!(us->pusb_dev->status & USB_ST_NAK_REC)) | |
affae2bf WD |
570 | break; |
571 | } /* if (srb->datalen) */ | |
572 | else | |
573 | break; | |
574 | } | |
575 | /* return result */ | |
576 | ||
577 | return result; | |
578 | } | |
579 | ||
580 | ||
a0cb3fc3 | 581 | int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) |
affae2bf WD |
582 | { |
583 | int timeout; | |
584 | ||
80885a9d | 585 | us->ip_wanted = 1; |
a0cb3fc3 | 586 | submit_int_msg(us->pusb_dev, us->irqpipe, |
80885a9d WD |
587 | (void *) &us->ip_data, us->irqmaxp, us->irqinterval); |
588 | timeout = 1000; | |
589 | while (timeout--) { | |
590 | if ((volatile int *) us->ip_wanted == 0) | |
affae2bf | 591 | break; |
a0cb3fc3 | 592 | wait_ms(10); |
affae2bf WD |
593 | } |
594 | if (us->ip_wanted) { | |
a0cb3fc3 | 595 | printf(" Did not get interrupt on CBI\n"); |
affae2bf WD |
596 | us->ip_wanted = 0; |
597 | return USB_STOR_TRANSPORT_ERROR; | |
598 | } | |
80885a9d WD |
599 | USB_STOR_PRINTF |
600 | ("Got interrupt data 0x%x, transfered %d status 0x%lX\n", | |
601 | us->ip_data, us->pusb_dev->irq_act_len, | |
602 | us->pusb_dev->irq_status); | |
affae2bf WD |
603 | /* UFI gives us ASC and ASCQ, like a request sense */ |
604 | if (us->subclass == US_SC_UFI) { | |
605 | if (srb->cmd[0] == SCSI_REQ_SENSE || | |
606 | srb->cmd[0] == SCSI_INQUIRY) | |
607 | return USB_STOR_TRANSPORT_GOOD; /* Good */ | |
80885a9d WD |
608 | else if (us->ip_data) |
609 | return USB_STOR_TRANSPORT_FAILED; | |
affae2bf | 610 | else |
80885a9d | 611 | return USB_STOR_TRANSPORT_GOOD; |
affae2bf WD |
612 | } |
613 | /* otherwise, we interpret the data normally */ | |
614 | switch (us->ip_data) { | |
80885a9d WD |
615 | case 0x0001: |
616 | return USB_STOR_TRANSPORT_GOOD; | |
617 | case 0x0002: | |
618 | return USB_STOR_TRANSPORT_FAILED; | |
619 | default: | |
620 | return USB_STOR_TRANSPORT_ERROR; | |
621 | } /* switch */ | |
affae2bf WD |
622 | return USB_STOR_TRANSPORT_ERROR; |
623 | } | |
624 | ||
625 | #define USB_TRANSPORT_UNKNOWN_RETRY 5 | |
626 | #define USB_TRANSPORT_NOT_READY_RETRY 10 | |
627 | ||
149dded2 WD |
628 | /* clear a stall on an endpoint - special for BBB devices */ |
629 | int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) | |
630 | { | |
631 | int result; | |
632 | ||
633 | /* ENDPOINT_HALT = 0, so set value to 0 */ | |
a0cb3fc3 | 634 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
149dded2 | 635 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, |
a0cb3fc3 | 636 | 0, endpt, 0, 0, USB_CNTL_TIMEOUT * 5); |
149dded2 WD |
637 | return result; |
638 | } | |
639 | ||
640 | int usb_stor_BBB_transport(ccb *srb, struct us_data *us) | |
641 | { | |
642 | int result, retry; | |
643 | int dir_in; | |
644 | int actlen, data_actlen; | |
645 | unsigned int pipe, pipein, pipeout; | |
646 | umass_bbb_csw_t csw; | |
647 | #ifdef BBB_XPORT_TRACE | |
648 | unsigned char *ptr; | |
649 | int index; | |
650 | #endif | |
651 | ||
652 | dir_in = US_DIRECTION(srb->cmd[0]); | |
653 | ||
654 | /* COMMAND phase */ | |
655 | USB_STOR_PRINTF("COMMAND phase\n"); | |
656 | result = usb_stor_BBB_comdat(srb, us); | |
657 | if (result < 0) { | |
658 | USB_STOR_PRINTF("failed to send CBW status %ld\n", | |
659 | us->pusb_dev->status); | |
660 | usb_stor_BBB_reset(us); | |
661 | return USB_STOR_TRANSPORT_FAILED; | |
662 | } | |
663 | wait_ms(5); | |
664 | pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); | |
665 | pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
666 | /* DATA phase + error handling */ | |
149dded2 WD |
667 | data_actlen = 0; |
668 | /* no data, go immediately to the STATUS phase */ | |
669 | if (srb->datalen == 0) | |
670 | goto st; | |
80885a9d | 671 | USB_STOR_PRINTF("DATA phase\n"); |
149dded2 WD |
672 | if (dir_in) |
673 | pipe = pipein; | |
674 | else | |
675 | pipe = pipeout; | |
a0cb3fc3 MT |
676 | result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, |
677 | &data_actlen, USB_CNTL_TIMEOUT * 5); | |
149dded2 | 678 | /* special handling of STALL in DATA phase */ |
a0cb3fc3 | 679 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
a43278a4 | 680 | USB_STOR_PRINTF("DATA:stall\n"); |
149dded2 | 681 | /* clear the STALL on the endpoint */ |
a0cb3fc3 MT |
682 | result = usb_stor_BBB_clear_endpt_stall(us, |
683 | dir_in ? us->ep_in : us->ep_out); | |
149dded2 WD |
684 | if (result >= 0) |
685 | /* continue on to STATUS phase */ | |
686 | goto st; | |
687 | } | |
688 | if (result < 0) { | |
689 | USB_STOR_PRINTF("usb_bulk_msg error status %ld\n", | |
690 | us->pusb_dev->status); | |
691 | usb_stor_BBB_reset(us); | |
692 | return USB_STOR_TRANSPORT_FAILED; | |
693 | } | |
694 | #ifdef BBB_XPORT_TRACE | |
695 | for (index = 0; index < data_actlen; index++) | |
696 | printf("pdata[%d] %#x ", index, srb->pdata[index]); | |
697 | printf("\n"); | |
698 | #endif | |
699 | /* STATUS phase + error handling */ | |
a0cb3fc3 | 700 | st: |
149dded2 | 701 | retry = 0; |
a0cb3fc3 | 702 | again: |
149dded2 | 703 | USB_STOR_PRINTF("STATUS phase\n"); |
095b8a37 | 704 | result = usb_bulk_msg(us->pusb_dev, pipein, &csw, UMASS_BBB_CSW_SIZE, |
9c998aa8 WD |
705 | &actlen, USB_CNTL_TIMEOUT*5); |
706 | ||
149dded2 | 707 | /* special handling of STALL in STATUS phase */ |
a0cb3fc3 MT |
708 | if ((result < 0) && (retry < 1) && |
709 | (us->pusb_dev->status & USB_ST_STALLED)) { | |
149dded2 WD |
710 | USB_STOR_PRINTF("STATUS:stall\n"); |
711 | /* clear the STALL on the endpoint */ | |
712 | result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in); | |
713 | if (result >= 0 && (retry++ < 1)) | |
714 | /* do a retry */ | |
715 | goto again; | |
716 | } | |
717 | if (result < 0) { | |
718 | USB_STOR_PRINTF("usb_bulk_msg error status %ld\n", | |
719 | us->pusb_dev->status); | |
720 | usb_stor_BBB_reset(us); | |
721 | return USB_STOR_TRANSPORT_FAILED; | |
722 | } | |
723 | #ifdef BBB_XPORT_TRACE | |
724 | ptr = (unsigned char *)&csw; | |
725 | for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) | |
726 | printf("ptr[%d] %#x ", index, ptr[index]); | |
727 | printf("\n"); | |
728 | #endif | |
729 | /* misuse pipe to get the residue */ | |
c918261c | 730 | pipe = le32_to_cpu(csw.dCSWDataResidue); |
149dded2 WD |
731 | if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) |
732 | pipe = srb->datalen - data_actlen; | |
c918261c | 733 | if (CSWSIGNATURE != le32_to_cpu(csw.dCSWSignature)) { |
149dded2 WD |
734 | USB_STOR_PRINTF("!CSWSIGNATURE\n"); |
735 | usb_stor_BBB_reset(us); | |
736 | return USB_STOR_TRANSPORT_FAILED; | |
c918261c | 737 | } else if ((CBWTag - 1) != le32_to_cpu(csw.dCSWTag)) { |
149dded2 WD |
738 | USB_STOR_PRINTF("!Tag\n"); |
739 | usb_stor_BBB_reset(us); | |
740 | return USB_STOR_TRANSPORT_FAILED; | |
741 | } else if (csw.bCSWStatus > CSWSTATUS_PHASE) { | |
742 | USB_STOR_PRINTF(">PHASE\n"); | |
743 | usb_stor_BBB_reset(us); | |
744 | return USB_STOR_TRANSPORT_FAILED; | |
745 | } else if (csw.bCSWStatus == CSWSTATUS_PHASE) { | |
746 | USB_STOR_PRINTF("=PHASE\n"); | |
747 | usb_stor_BBB_reset(us); | |
748 | return USB_STOR_TRANSPORT_FAILED; | |
749 | } else if (data_actlen > srb->datalen) { | |
750 | USB_STOR_PRINTF("transferred %dB instead of %dB\n", | |
751 | data_actlen, srb->datalen); | |
752 | return USB_STOR_TRANSPORT_FAILED; | |
753 | } else if (csw.bCSWStatus == CSWSTATUS_FAILED) { | |
754 | USB_STOR_PRINTF("FAILED\n"); | |
755 | return USB_STOR_TRANSPORT_FAILED; | |
756 | } | |
757 | ||
758 | return result; | |
759 | } | |
760 | ||
affae2bf WD |
761 | int usb_stor_CB_transport(ccb *srb, struct us_data *us) |
762 | { | |
a0cb3fc3 | 763 | int result, status; |
affae2bf WD |
764 | ccb *psrb; |
765 | ccb reqsrb; | |
a0cb3fc3 | 766 | int retry, notready; |
affae2bf | 767 | |
d0ff51ba | 768 | psrb = &reqsrb; |
a0cb3fc3 MT |
769 | status = USB_STOR_TRANSPORT_GOOD; |
770 | retry = 0; | |
771 | notready = 0; | |
affae2bf WD |
772 | /* issue the command */ |
773 | do_retry: | |
a0cb3fc3 MT |
774 | result = usb_stor_CB_comdat(srb, us); |
775 | USB_STOR_PRINTF("command / Data returned %d, status %X\n", | |
776 | result, us->pusb_dev->status); | |
affae2bf | 777 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
778 | if (us->protocol == US_PR_CBI) { |
779 | status = usb_stor_CBI_get_status(srb, us); | |
affae2bf | 780 | /* if the status is error, report it */ |
a0cb3fc3 | 781 | if (status == USB_STOR_TRANSPORT_ERROR) { |
affae2bf WD |
782 | USB_STOR_PRINTF(" USB CBI Command Error\n"); |
783 | return status; | |
784 | } | |
a0cb3fc3 MT |
785 | srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); |
786 | srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff); | |
787 | if (!us->ip_data) { | |
788 | /* if the status is good, report it */ | |
789 | if (status == USB_STOR_TRANSPORT_GOOD) { | |
affae2bf WD |
790 | USB_STOR_PRINTF(" USB CBI Command Good\n"); |
791 | return status; | |
792 | } | |
793 | } | |
794 | } | |
795 | /* do we have to issue an auto request? */ | |
796 | /* HERE we have to check the result */ | |
a0cb3fc3 MT |
797 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { |
798 | USB_STOR_PRINTF("ERROR %X\n", us->pusb_dev->status); | |
affae2bf WD |
799 | us->transport_reset(us); |
800 | return USB_STOR_TRANSPORT_ERROR; | |
801 | } | |
a0cb3fc3 MT |
802 | if ((us->protocol == US_PR_CBI) && |
803 | ((srb->cmd[0] == SCSI_REQ_SENSE) || | |
804 | (srb->cmd[0] == SCSI_INQUIRY))) { | |
805 | /* do not issue an autorequest after request sense */ | |
affae2bf WD |
806 | USB_STOR_PRINTF("No auto request and good\n"); |
807 | return USB_STOR_TRANSPORT_GOOD; | |
808 | } | |
809 | /* issue an request_sense */ | |
a0cb3fc3 MT |
810 | memset(&psrb->cmd[0], 0, 12); |
811 | psrb->cmd[0] = SCSI_REQ_SENSE; | |
812 | psrb->cmd[1] = srb->lun << 5; | |
813 | psrb->cmd[4] = 18; | |
814 | psrb->datalen = 18; | |
d0ff51ba | 815 | psrb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 | 816 | psrb->cmdlen = 12; |
affae2bf | 817 | /* issue the command */ |
a0cb3fc3 MT |
818 | result = usb_stor_CB_comdat(psrb, us); |
819 | USB_STOR_PRINTF("auto request returned %d\n", result); | |
affae2bf | 820 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
821 | if (us->protocol == US_PR_CBI) |
822 | status = usb_stor_CBI_get_status(psrb, us); | |
823 | ||
824 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { | |
825 | USB_STOR_PRINTF(" AUTO REQUEST ERROR %d\n", | |
826 | us->pusb_dev->status); | |
affae2bf WD |
827 | return USB_STOR_TRANSPORT_ERROR; |
828 | } | |
a0cb3fc3 MT |
829 | USB_STOR_PRINTF("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", |
830 | srb->sense_buf[0], srb->sense_buf[2], | |
831 | srb->sense_buf[12], srb->sense_buf[13]); | |
affae2bf | 832 | /* Check the auto request result */ |
a0cb3fc3 MT |
833 | if ((srb->sense_buf[2] == 0) && |
834 | (srb->sense_buf[12] == 0) && | |
835 | (srb->sense_buf[13] == 0)) { | |
836 | /* ok, no sense */ | |
affae2bf | 837 | return USB_STOR_TRANSPORT_GOOD; |
a0cb3fc3 MT |
838 | } |
839 | ||
affae2bf | 840 | /* Check the auto request result */ |
a0cb3fc3 MT |
841 | switch (srb->sense_buf[2]) { |
842 | case 0x01: | |
843 | /* Recovered Error */ | |
149dded2 | 844 | return USB_STOR_TRANSPORT_GOOD; |
80885a9d | 845 | break; |
a0cb3fc3 MT |
846 | case 0x02: |
847 | /* Not Ready */ | |
848 | if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) { | |
849 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
850 | " 0x%02X (NOT READY)\n", srb->cmd[0], | |
851 | srb->sense_buf[0], srb->sense_buf[2], | |
852 | srb->sense_buf[12], srb->sense_buf[13]); | |
149dded2 WD |
853 | return USB_STOR_TRANSPORT_FAILED; |
854 | } else { | |
855 | wait_ms(100); | |
856 | goto do_retry; | |
857 | } | |
858 | break; | |
859 | default: | |
a0cb3fc3 MT |
860 | if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { |
861 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
862 | " 0x%02X\n", srb->cmd[0], srb->sense_buf[0], | |
863 | srb->sense_buf[2], srb->sense_buf[12], | |
864 | srb->sense_buf[13]); | |
149dded2 | 865 | return USB_STOR_TRANSPORT_FAILED; |
a0cb3fc3 | 866 | } else |
149dded2 | 867 | goto do_retry; |
149dded2 | 868 | break; |
affae2bf WD |
869 | } |
870 | return USB_STOR_TRANSPORT_FAILED; | |
871 | } | |
872 | ||
873 | ||
a0cb3fc3 | 874 | static int usb_inquiry(ccb *srb, struct us_data *ss) |
affae2bf | 875 | { |
a0cb3fc3 MT |
876 | int retry, i; |
877 | retry = 5; | |
affae2bf | 878 | do { |
a0cb3fc3 MT |
879 | memset(&srb->cmd[0], 0, 12); |
880 | srb->cmd[0] = SCSI_INQUIRY; | |
a0cb3fc3 MT |
881 | srb->cmd[4] = 36; |
882 | srb->datalen = 36; | |
883 | srb->cmdlen = 12; | |
884 | i = ss->transport(srb, ss); | |
885 | USB_STOR_PRINTF("inquiry returns %d\n", i); | |
886 | if (i == 0) | |
affae2bf | 887 | break; |
a0cb3fc3 | 888 | } while (retry--); |
149dded2 | 889 | |
a0cb3fc3 | 890 | if (!retry) { |
affae2bf WD |
891 | printf("error in inquiry\n"); |
892 | return -1; | |
893 | } | |
894 | return 0; | |
895 | } | |
896 | ||
a0cb3fc3 | 897 | static int usb_request_sense(ccb *srb, struct us_data *ss) |
affae2bf WD |
898 | { |
899 | char *ptr; | |
80885a9d | 900 | |
a0cb3fc3 MT |
901 | ptr = (char *)srb->pdata; |
902 | memset(&srb->cmd[0], 0, 12); | |
903 | srb->cmd[0] = SCSI_REQ_SENSE; | |
a0cb3fc3 MT |
904 | srb->cmd[4] = 18; |
905 | srb->datalen = 18; | |
d0ff51ba | 906 | srb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 MT |
907 | srb->cmdlen = 12; |
908 | ss->transport(srb, ss); | |
909 | USB_STOR_PRINTF("Request Sense returned %02X %02X %02X\n", | |
910 | srb->sense_buf[2], srb->sense_buf[12], | |
911 | srb->sense_buf[13]); | |
912 | srb->pdata = (uchar *)ptr; | |
affae2bf WD |
913 | return 0; |
914 | } | |
915 | ||
a0cb3fc3 | 916 | static int usb_test_unit_ready(ccb *srb, struct us_data *ss) |
affae2bf | 917 | { |
9c998aa8 | 918 | int retries = 10; |
149dded2 | 919 | |
affae2bf | 920 | do { |
a0cb3fc3 MT |
921 | memset(&srb->cmd[0], 0, 12); |
922 | srb->cmd[0] = SCSI_TST_U_RDY; | |
a0cb3fc3 MT |
923 | srb->datalen = 0; |
924 | srb->cmdlen = 12; | |
925 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) | |
affae2bf | 926 | return 0; |
a0cb3fc3 MT |
927 | usb_request_sense(srb, ss); |
928 | wait_ms(100); | |
929 | } while (retries--); | |
149dded2 | 930 | |
affae2bf WD |
931 | return -1; |
932 | } | |
933 | ||
a0cb3fc3 | 934 | static int usb_read_capacity(ccb *srb, struct us_data *ss) |
affae2bf WD |
935 | { |
936 | int retry; | |
a0cb3fc3 MT |
937 | /* XXX retries */ |
938 | retry = 3; | |
affae2bf | 939 | do { |
a0cb3fc3 MT |
940 | memset(&srb->cmd[0], 0, 12); |
941 | srb->cmd[0] = SCSI_RD_CAPAC; | |
a0cb3fc3 MT |
942 | srb->datalen = 8; |
943 | srb->cmdlen = 12; | |
944 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) | |
affae2bf | 945 | return 0; |
a0cb3fc3 | 946 | } while (retry--); |
149dded2 | 947 | |
affae2bf WD |
948 | return -1; |
949 | } | |
950 | ||
a0cb3fc3 MT |
951 | static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start, |
952 | unsigned short blocks) | |
affae2bf | 953 | { |
a0cb3fc3 MT |
954 | memset(&srb->cmd[0], 0, 12); |
955 | srb->cmd[0] = SCSI_READ10; | |
a0cb3fc3 MT |
956 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
957 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
958 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
959 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
960 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
961 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
962 | srb->cmdlen = 12; | |
963 | USB_STOR_PRINTF("read10: start %lx blocks %x\n", start, blocks); | |
964 | return ss->transport(srb, ss); | |
affae2bf WD |
965 | } |
966 | ||
967 | ||
ddde6b7c BS |
968 | #ifdef CONFIG_USB_BIN_FIXUP |
969 | /* | |
970 | * Some USB storage devices queried for SCSI identification data respond with | |
971 | * binary strings, which if output to the console freeze the terminal. The | |
972 | * workaround is to modify the vendor and product strings read from such | |
973 | * device with proper values (as reported by 'usb info'). | |
974 | * | |
975 | * Vendor and product length limits are taken from the definition of | |
976 | * block_dev_desc_t in include/part.h. | |
977 | */ | |
978 | static void usb_bin_fixup(struct usb_device_descriptor descriptor, | |
979 | unsigned char vendor[], | |
980 | unsigned char product[]) { | |
981 | const unsigned char max_vendor_len = 40; | |
982 | const unsigned char max_product_len = 20; | |
983 | if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) { | |
a0cb3fc3 MT |
984 | strncpy((char *)vendor, "SMSC", max_vendor_len); |
985 | strncpy((char *)product, "Flash Media Cntrller", | |
986 | max_product_len); | |
ddde6b7c BS |
987 | } |
988 | } | |
989 | #endif /* CONFIG_USB_BIN_FIXUP */ | |
990 | ||
affae2bf WD |
991 | #define USB_MAX_READ_BLK 20 |
992 | ||
a0cb3fc3 MT |
993 | unsigned long usb_stor_read(int device, unsigned long blknr, |
994 | unsigned long blkcnt, void *buffer) | |
affae2bf | 995 | { |
a0cb3fc3 | 996 | unsigned long start, blks, buf_addr; |
affae2bf WD |
997 | unsigned short smallblks; |
998 | struct usb_device *dev; | |
a0cb3fc3 | 999 | int retry, i; |
f8d813e3 WD |
1000 | ccb *srb = &usb_ccb; |
1001 | ||
1002 | if (blkcnt == 0) | |
1003 | return 0; | |
1004 | ||
1005 | device &= 0xff; | |
a0cb3fc3 MT |
1006 | /* Setup device */ |
1007 | USB_STOR_PRINTF("\nusb_read: dev %d \n", device); | |
1008 | dev = NULL; | |
1009 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
1010 | dev = usb_get_dev_index(i); | |
1011 | if (dev == NULL) | |
affae2bf | 1012 | return 0; |
a0cb3fc3 | 1013 | if (dev->devnum == usb_dev_desc[device].target) |
affae2bf WD |
1014 | break; |
1015 | } | |
1016 | ||
1017 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
a0cb3fc3 MT |
1018 | srb->lun = usb_dev_desc[device].lun; |
1019 | buf_addr = (unsigned long)buffer; | |
1020 | start = blknr; | |
1021 | blks = blkcnt; | |
1022 | if (usb_test_unit_ready(srb, (struct us_data *)dev->privptr)) { | |
1023 | printf("Device NOT ready\n Request Sense returned %02X %02X" | |
1024 | " %02X\n", srb->sense_buf[2], srb->sense_buf[12], | |
1025 | srb->sense_buf[13]); | |
affae2bf WD |
1026 | return 0; |
1027 | } | |
a0cb3fc3 MT |
1028 | |
1029 | USB_STOR_PRINTF("\nusb_read: dev %d startblk %lx, blccnt %lx" | |
1030 | " buffer %lx\n", device, start, blks, buf_addr); | |
1031 | ||
affae2bf | 1032 | do { |
a0cb3fc3 MT |
1033 | /* XXX need some comment here */ |
1034 | retry = 2; | |
1035 | srb->pdata = (unsigned char *)buf_addr; | |
1036 | if (blks > USB_MAX_READ_BLK) | |
1037 | smallblks = USB_MAX_READ_BLK; | |
1038 | else | |
1039 | smallblks = (unsigned short) blks; | |
affae2bf | 1040 | retry_it: |
a0cb3fc3 | 1041 | if (smallblks == USB_MAX_READ_BLK) |
affae2bf | 1042 | usb_show_progress(); |
a0cb3fc3 MT |
1043 | srb->datalen = usb_dev_desc[device].blksz * smallblks; |
1044 | srb->pdata = (unsigned char *)buf_addr; | |
1045 | if (usb_read_10(srb, (struct us_data *)dev->privptr, start, | |
1046 | smallblks)) { | |
affae2bf | 1047 | USB_STOR_PRINTF("Read ERROR\n"); |
a0cb3fc3 MT |
1048 | usb_request_sense(srb, (struct us_data *)dev->privptr); |
1049 | if (retry--) | |
affae2bf | 1050 | goto retry_it; |
a0cb3fc3 | 1051 | blkcnt -= blks; |
affae2bf WD |
1052 | break; |
1053 | } | |
a0cb3fc3 MT |
1054 | start += smallblks; |
1055 | blks -= smallblks; | |
1056 | buf_addr += srb->datalen; | |
1057 | } while (blks != 0); | |
1058 | ||
1059 | USB_STOR_PRINTF("usb_read: end startblk %lx, blccnt %x buffer %lx\n", | |
1060 | start, smallblks, buf_addr); | |
1061 | ||
affae2bf | 1062 | usb_disable_asynch(0); /* asynch transfer allowed */ |
a0cb3fc3 | 1063 | if (blkcnt >= USB_MAX_READ_BLK) |
affae2bf | 1064 | printf("\n"); |
a0cb3fc3 | 1065 | return blkcnt; |
affae2bf WD |
1066 | } |
1067 | ||
1068 | ||
1069 | /* Probe to see if a new device is actually a Storage device */ | |
a0cb3fc3 MT |
1070 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
1071 | struct us_data *ss) | |
affae2bf WD |
1072 | { |
1073 | struct usb_interface_descriptor *iface; | |
1074 | int i; | |
1075 | unsigned int flags = 0; | |
1076 | ||
1077 | int protocol = 0; | |
1078 | int subclass = 0; | |
1079 | ||
affae2bf WD |
1080 | /* let's examine the device now */ |
1081 | iface = &dev->config.if_desc[ifnum]; | |
1082 | ||
1083 | #if 0 | |
1084 | /* this is the place to patch some storage devices */ | |
a0cb3fc3 MT |
1085 | USB_STOR_PRINTF("iVendor %X iProduct %X\n", dev->descriptor.idVendor, |
1086 | dev->descriptor.idProduct); | |
1087 | ||
1088 | if ((dev->descriptor.idVendor) == 0x066b && | |
1089 | (dev->descriptor.idProduct) == 0x0103) { | |
affae2bf WD |
1090 | USB_STOR_PRINTF("patched for E-USB\n"); |
1091 | protocol = US_PR_CB; | |
1092 | subclass = US_SC_UFI; /* an assumption */ | |
1093 | } | |
1094 | #endif | |
1095 | ||
1096 | if (dev->descriptor.bDeviceClass != 0 || | |
1097 | iface->bInterfaceClass != USB_CLASS_MASS_STORAGE || | |
1098 | iface->bInterfaceSubClass < US_SC_MIN || | |
1099 | iface->bInterfaceSubClass > US_SC_MAX) { | |
1100 | /* if it's not a mass storage, we go no further */ | |
1101 | return 0; | |
1102 | } | |
1103 | ||
9c998aa8 WD |
1104 | memset(ss, 0, sizeof(struct us_data)); |
1105 | ||
affae2bf WD |
1106 | /* At this point, we know we've got a live one */ |
1107 | USB_STOR_PRINTF("\n\nUSB Mass Storage device detected\n"); | |
1108 | ||
1109 | /* Initialize the us_data structure with some useful info */ | |
1110 | ss->flags = flags; | |
1111 | ss->ifnum = ifnum; | |
1112 | ss->pusb_dev = dev; | |
1113 | ss->attention_done = 0; | |
1114 | ||
1115 | /* If the device has subclass and protocol, then use that. Otherwise, | |
1116 | * take data from the specific interface. | |
1117 | */ | |
1118 | if (subclass) { | |
1119 | ss->subclass = subclass; | |
1120 | ss->protocol = protocol; | |
1121 | } else { | |
1122 | ss->subclass = iface->bInterfaceSubClass; | |
1123 | ss->protocol = iface->bInterfaceProtocol; | |
1124 | } | |
1125 | ||
1126 | /* set the handler pointers based on the protocol */ | |
1127 | USB_STOR_PRINTF("Transport: "); | |
1128 | switch (ss->protocol) { | |
1129 | case US_PR_CB: | |
1130 | USB_STOR_PRINTF("Control/Bulk\n"); | |
1131 | ss->transport = usb_stor_CB_transport; | |
1132 | ss->transport_reset = usb_stor_CB_reset; | |
1133 | break; | |
1134 | ||
1135 | case US_PR_CBI: | |
1136 | USB_STOR_PRINTF("Control/Bulk/Interrupt\n"); | |
1137 | ss->transport = usb_stor_CB_transport; | |
1138 | ss->transport_reset = usb_stor_CB_reset; | |
1139 | break; | |
149dded2 WD |
1140 | case US_PR_BULK: |
1141 | USB_STOR_PRINTF("Bulk/Bulk/Bulk\n"); | |
1142 | ss->transport = usb_stor_BBB_transport; | |
1143 | ss->transport_reset = usb_stor_BBB_reset; | |
1144 | break; | |
affae2bf | 1145 | default: |
80885a9d | 1146 | printf("USB Storage Transport unknown / not yet implemented\n"); |
affae2bf WD |
1147 | return 0; |
1148 | break; | |
1149 | } | |
1150 | ||
1151 | /* | |
1152 | * We are expecting a minimum of 2 endpoints - in and out (bulk). | |
1153 | * An optional interrupt is OK (necessary for CBI protocol). | |
1154 | * We will ignore any others. | |
1155 | */ | |
1156 | for (i = 0; i < iface->bNumEndpoints; i++) { | |
1157 | /* is it an BULK endpoint? */ | |
a0cb3fc3 MT |
1158 | if ((iface->ep_desc[i].bmAttributes & |
1159 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { | |
affae2bf WD |
1160 | if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN) |
1161 | ss->ep_in = iface->ep_desc[i].bEndpointAddress & | |
1162 | USB_ENDPOINT_NUMBER_MASK; | |
1163 | else | |
a0cb3fc3 MT |
1164 | ss->ep_out = |
1165 | iface->ep_desc[i].bEndpointAddress & | |
affae2bf WD |
1166 | USB_ENDPOINT_NUMBER_MASK; |
1167 | } | |
1168 | ||
1169 | /* is it an interrupt endpoint? */ | |
a0cb3fc3 MT |
1170 | if ((iface->ep_desc[i].bmAttributes & |
1171 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { | |
affae2bf WD |
1172 | ss->ep_int = iface->ep_desc[i].bEndpointAddress & |
1173 | USB_ENDPOINT_NUMBER_MASK; | |
1174 | ss->irqinterval = iface->ep_desc[i].bInterval; | |
1175 | } | |
1176 | } | |
1177 | USB_STOR_PRINTF("Endpoints In %d Out %d Int %d\n", | |
1178 | ss->ep_in, ss->ep_out, ss->ep_int); | |
1179 | ||
1180 | /* Do some basic sanity checks, and bail if we find a problem */ | |
1181 | if (usb_set_interface(dev, iface->bInterfaceNumber, 0) || | |
1182 | !ss->ep_in || !ss->ep_out || | |
1183 | (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { | |
1184 | USB_STOR_PRINTF("Problems with device\n"); | |
1185 | return 0; | |
1186 | } | |
1187 | /* set class specific stuff */ | |
149dded2 WD |
1188 | /* We only handle certain protocols. Currently, these are |
1189 | * the only ones. | |
80885a9d | 1190 | * The SFF8070 accepts the requests used in u-boot |
affae2bf | 1191 | */ |
80885a9d WD |
1192 | if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI && |
1193 | ss->subclass != US_SC_8070) { | |
a0cb3fc3 | 1194 | printf("Sorry, protocol %d not yet supported.\n", ss->subclass); |
affae2bf WD |
1195 | return 0; |
1196 | } | |
a0cb3fc3 MT |
1197 | if (ss->ep_int) { |
1198 | /* we had found an interrupt endpoint, prepare irq pipe | |
1199 | * set up the IRQ pipe and handler | |
1200 | */ | |
affae2bf WD |
1201 | ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255; |
1202 | ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int); | |
1203 | ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe); | |
a0cb3fc3 | 1204 | dev->irq_handle = usb_stor_irq; |
affae2bf | 1205 | } |
a0cb3fc3 | 1206 | dev->privptr = (void *)ss; |
affae2bf WD |
1207 | return 1; |
1208 | } | |
1209 | ||
a0cb3fc3 MT |
1210 | int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, |
1211 | block_dev_desc_t *dev_desc) | |
affae2bf | 1212 | { |
a0cb3fc3 | 1213 | unsigned char perq, modi; |
affae2bf | 1214 | unsigned long cap[2]; |
a0cb3fc3 | 1215 | unsigned long *capacity, *blksz; |
9c998aa8 WD |
1216 | ccb *pccb = &usb_ccb; |
1217 | ||
1218 | /* for some reasons a couple of devices would not survive this reset */ | |
1219 | if ( | |
1220 | /* Sony USM256E */ | |
1221 | (dev->descriptor.idVendor == 0x054c && | |
1222 | dev->descriptor.idProduct == 0x019e) | |
9c998aa8 WD |
1223 | || |
1224 | /* USB007 Mini-USB2 Flash Drive */ | |
1225 | (dev->descriptor.idVendor == 0x066f && | |
1226 | dev->descriptor.idProduct == 0x2010) | |
f88a0ae6 BS |
1227 | || |
1228 | /* SanDisk Corporation Cruzer Micro 20044318410546613953 */ | |
1229 | (dev->descriptor.idVendor == 0x0781 && | |
1230 | dev->descriptor.idProduct == 0x5151) | |
14e4111c BW |
1231 | || |
1232 | /* | |
1233 | * SanDisk Corporation U3 Cruzer Micro 1/4GB | |
1234 | * Flash Drive 000016244373FFB4 | |
1235 | */ | |
1236 | (dev->descriptor.idVendor == 0x0781 && | |
1237 | dev->descriptor.idProduct == 0x5406) | |
9c998aa8 WD |
1238 | ) |
1239 | USB_STOR_PRINTF("usb_stor_get_info: skipping RESET..\n"); | |
095b8a37 | 1240 | else |
2729af9d | 1241 | ss->transport_reset(ss); |
affae2bf | 1242 | |
9c998aa8 WD |
1243 | pccb->pdata = usb_stor_buf; |
1244 | ||
1245 | dev_desc->target = dev->devnum; | |
1246 | pccb->lun = dev_desc->lun; | |
a0cb3fc3 | 1247 | USB_STOR_PRINTF(" address %d\n", dev_desc->target); |
affae2bf | 1248 | |
a0cb3fc3 | 1249 | if (usb_inquiry(pccb, ss)) |
affae2bf | 1250 | return -1; |
095b8a37 | 1251 | |
9c998aa8 WD |
1252 | perq = usb_stor_buf[0]; |
1253 | modi = usb_stor_buf[1]; | |
a0cb3fc3 MT |
1254 | |
1255 | if ((perq & 0x1f) == 0x1f) { | |
1256 | /* skip unknown devices */ | |
1257 | return 0; | |
affae2bf | 1258 | } |
a0cb3fc3 MT |
1259 | if ((modi&0x80) == 0x80) { |
1260 | /* drive is removable */ | |
9c998aa8 | 1261 | dev_desc->removable = 1; |
affae2bf WD |
1262 | } |
1263 | memcpy(&dev_desc->vendor[0], &usb_stor_buf[8], 8); | |
1264 | memcpy(&dev_desc->product[0], &usb_stor_buf[16], 16); | |
1265 | memcpy(&dev_desc->revision[0], &usb_stor_buf[32], 4); | |
9c998aa8 WD |
1266 | dev_desc->vendor[8] = 0; |
1267 | dev_desc->product[16] = 0; | |
1268 | dev_desc->revision[4] = 0; | |
ddde6b7c | 1269 | #ifdef CONFIG_USB_BIN_FIXUP |
a0cb3fc3 MT |
1270 | usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, |
1271 | (uchar *)dev_desc->product); | |
ddde6b7c | 1272 | #endif /* CONFIG_USB_BIN_FIXUP */ |
a0cb3fc3 MT |
1273 | USB_STOR_PRINTF("ISO Vers %X, Response Data %X\n", usb_stor_buf[2], |
1274 | usb_stor_buf[3]); | |
1275 | if (usb_test_unit_ready(pccb, ss)) { | |
1276 | printf("Device NOT ready\n" | |
1277 | " Request Sense returned %02X %02X %02X\n", | |
1278 | pccb->sense_buf[2], pccb->sense_buf[12], | |
1279 | pccb->sense_buf[13]); | |
1280 | if (dev_desc->removable == 1) { | |
9c998aa8 | 1281 | dev_desc->type = perq; |
affae2bf WD |
1282 | return 1; |
1283 | } | |
a0cb3fc3 | 1284 | return 0; |
affae2bf | 1285 | } |
9c998aa8 | 1286 | pccb->pdata = (unsigned char *)&cap[0]; |
a0cb3fc3 MT |
1287 | memset(pccb->pdata, 0, 8); |
1288 | if (usb_read_capacity(pccb, ss) != 0) { | |
affae2bf | 1289 | printf("READ_CAP ERROR\n"); |
9c998aa8 WD |
1290 | cap[0] = 2880; |
1291 | cap[1] = 0x200; | |
affae2bf | 1292 | } |
a0cb3fc3 MT |
1293 | USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n", cap[0], |
1294 | cap[1]); | |
affae2bf | 1295 | #if 0 |
a0cb3fc3 MT |
1296 | if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ |
1297 | cap[0] >>= 16; | |
affae2bf | 1298 | #endif |
c918261c CE |
1299 | cap[0] = cpu_to_be32(cap[0]); |
1300 | cap[1] = cpu_to_be32(cap[1]); | |
1301 | ||
149dded2 | 1302 | /* this assumes bigendian! */ |
9c998aa8 WD |
1303 | cap[0] += 1; |
1304 | capacity = &cap[0]; | |
1305 | blksz = &cap[1]; | |
a0cb3fc3 MT |
1306 | USB_STOR_PRINTF("Capacity = 0x%lx, blocksz = 0x%lx\n", |
1307 | *capacity, *blksz); | |
9c998aa8 WD |
1308 | dev_desc->lba = *capacity; |
1309 | dev_desc->blksz = *blksz; | |
1310 | dev_desc->type = perq; | |
a0cb3fc3 MT |
1311 | USB_STOR_PRINTF(" address %d\n", dev_desc->target); |
1312 | USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type); | |
affae2bf WD |
1313 | |
1314 | init_part(dev_desc); | |
1315 | ||
a0cb3fc3 | 1316 | USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type); |
affae2bf WD |
1317 | return 1; |
1318 | } |