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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 WD |
61 | |
62 | #ifdef USB_STOR_DEBUG | |
86bd3ff8 | 63 | #define USB_BLK_DEBUG 1 |
affae2bf | 64 | #else |
86bd3ff8 | 65 | #define USB_BLK_DEBUG 0 |
affae2bf WD |
66 | #endif |
67 | ||
86bd3ff8 MV |
68 | #define USB_STOR_PRINTF(fmt, args...) debug_cond(USB_BLK_DEBUG, fmt, ##args) |
69 | ||
affae2bf WD |
70 | #include <scsi.h> |
71 | /* direction table -- this indicates the direction of the data | |
72 | * transfer for each command code -- a 1 indicates input | |
73 | */ | |
2ff12285 | 74 | static const unsigned char us_direction[256/8] = { |
affae2bf WD |
75 | 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77, |
76 | 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, | |
77 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, | |
78 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
79 | }; | |
80 | #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1) | |
81 | ||
f5766139 | 82 | static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN))); |
affae2bf WD |
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 */ | |
3e8581bb | 139 | # define USB_READY (1 << 0) |
a0cb3fc3 MT |
140 | unsigned char ifnum; /* interface number */ |
141 | unsigned char ep_in; /* in endpoint */ | |
142 | unsigned char ep_out; /* out ....... */ | |
143 | unsigned char ep_int; /* interrupt . */ | |
144 | unsigned char subclass; /* as in overview */ | |
145 | unsigned char protocol; /* .............. */ | |
146 | unsigned char attention_done; /* force attn on first cmd */ | |
147 | unsigned short ip_data; /* interrupt data */ | |
148 | int action; /* what to do */ | |
149 | int ip_wanted; /* needed */ | |
150 | int *irq_handle; /* for USB int requests */ | |
151 | unsigned int irqpipe; /* pipe for release_irq */ | |
152 | unsigned char irqmaxp; /* max packed for irq Pipe */ | |
153 | unsigned char irqinterval; /* Intervall for IRQ Pipe */ | |
154 | ccb *srb; /* current srb */ | |
155 | trans_reset transport_reset; /* reset routine */ | |
156 | trans_cmnd transport; /* transport routine */ | |
affae2bf WD |
157 | }; |
158 | ||
cffcc503 | 159 | #ifdef CONFIG_USB_EHCI |
1b4bd0e6 | 160 | /* |
4bee5c83 BT |
161 | * The U-Boot EHCI driver can handle any transfer length as long as there is |
162 | * enough free heap space left, but the SCSI READ(10) and WRITE(10) commands are | |
163 | * limited to 65535 blocks. | |
1b4bd0e6 | 164 | */ |
4bee5c83 | 165 | #define USB_MAX_XFER_BLK 65535 |
cffcc503 | 166 | #else |
4bee5c83 | 167 | #define USB_MAX_XFER_BLK 20 |
cffcc503 | 168 | #endif |
1b4bd0e6 | 169 | |
affae2bf WD |
170 | static struct us_data usb_stor[USB_MAX_STOR_DEV]; |
171 | ||
172 | ||
80885a9d | 173 | #define USB_STOR_TRANSPORT_GOOD 0 |
affae2bf WD |
174 | #define USB_STOR_TRANSPORT_FAILED -1 |
175 | #define USB_STOR_TRANSPORT_ERROR -2 | |
176 | ||
a0cb3fc3 MT |
177 | int usb_stor_get_info(struct usb_device *dev, struct us_data *us, |
178 | block_dev_desc_t *dev_desc); | |
179 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, | |
180 | struct us_data *ss); | |
181 | unsigned long usb_stor_read(int device, unsigned long blknr, | |
182 | unsigned long blkcnt, void *buffer); | |
127e1084 MJ |
183 | unsigned long usb_stor_write(int device, unsigned long blknr, |
184 | unsigned long blkcnt, const void *buffer); | |
affae2bf WD |
185 | struct usb_device * usb_get_dev_index(int index); |
186 | void uhci_show_temp_int_td(void); | |
187 | ||
df3fc526 | 188 | #ifdef CONFIG_PARTITIONS |
affae2bf WD |
189 | block_dev_desc_t *usb_stor_get_dev(int index) |
190 | { | |
aaad108b | 191 | return (index < usb_max_devs) ? &usb_dev_desc[index] : NULL; |
affae2bf | 192 | } |
df3fc526 | 193 | #endif |
affae2bf WD |
194 | |
195 | void usb_show_progress(void) | |
196 | { | |
226fa9bb | 197 | debug("."); |
affae2bf WD |
198 | } |
199 | ||
a0cb3fc3 | 200 | /******************************************************************************* |
9c998aa8 WD |
201 | * show info on storage devices; 'usb start/init' must be invoked earlier |
202 | * as we only retrieve structures populated during devices initialization | |
203 | */ | |
f6b44e0e | 204 | int usb_stor_info(void) |
9c998aa8 WD |
205 | { |
206 | int i; | |
207 | ||
f6b44e0e | 208 | if (usb_max_devs > 0) { |
9c998aa8 | 209 | for (i = 0; i < usb_max_devs; i++) { |
a0cb3fc3 | 210 | printf(" Device %d: ", i); |
9c998aa8 WD |
211 | dev_print(&usb_dev_desc[i]); |
212 | } | |
b9e749e9 | 213 | return 0; |
f6b44e0e | 214 | } |
1aeed8d7 | 215 | |
b9e749e9 MK |
216 | printf("No storage devices, perhaps not 'usb start'ed..?\n"); |
217 | return 1; | |
9c998aa8 WD |
218 | } |
219 | ||
99e9ed1f LC |
220 | static unsigned int usb_get_max_lun(struct us_data *us) |
221 | { | |
222 | int len; | |
f5766139 | 223 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1); |
99e9ed1f LC |
224 | len = usb_control_msg(us->pusb_dev, |
225 | usb_rcvctrlpipe(us->pusb_dev, 0), | |
226 | US_BBB_GET_MAX_LUN, | |
227 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
228 | 0, us->ifnum, | |
f5766139 | 229 | result, sizeof(char), |
99e9ed1f LC |
230 | USB_CNTL_TIMEOUT * 5); |
231 | USB_STOR_PRINTF("Get Max LUN -> len = %i, result = %i\n", | |
f5766139 PS |
232 | len, (int) *result); |
233 | return (len > 0) ? *result : 0; | |
99e9ed1f LC |
234 | } |
235 | ||
a0cb3fc3 | 236 | /******************************************************************************* |
9c998aa8 | 237 | * scan the usb and reports device info |
affae2bf WD |
238 | * to the user if mode = 1 |
239 | * returns current device or -1 if no | |
240 | */ | |
241 | int usb_stor_scan(int mode) | |
242 | { | |
243 | unsigned char i; | |
244 | struct usb_device *dev; | |
245 | ||
a0cb3fc3 | 246 | if (mode == 1) |
9c998aa8 | 247 | printf(" scanning bus for storage devices... "); |
a0cb3fc3 | 248 | |
affae2bf WD |
249 | usb_disable_asynch(1); /* asynch transfer not allowed */ |
250 | ||
a0cb3fc3 MT |
251 | for (i = 0; i < USB_MAX_STOR_DEV; i++) { |
252 | memset(&usb_dev_desc[i], 0, sizeof(block_dev_desc_t)); | |
a0cb3fc3 MT |
253 | usb_dev_desc[i].if_type = IF_TYPE_USB; |
254 | usb_dev_desc[i].dev = i; | |
255 | usb_dev_desc[i].part_type = PART_TYPE_UNKNOWN; | |
a17c548b WD |
256 | usb_dev_desc[i].target = 0xff; |
257 | usb_dev_desc[i].type = DEV_TYPE_UNKNOWN; | |
a0cb3fc3 | 258 | usb_dev_desc[i].block_read = usb_stor_read; |
127e1084 | 259 | usb_dev_desc[i].block_write = usb_stor_write; |
affae2bf | 260 | } |
9c998aa8 | 261 | |
a0cb3fc3 MT |
262 | usb_max_devs = 0; |
263 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
264 | dev = usb_get_dev_index(i); /* get device */ | |
265 | USB_STOR_PRINTF("i=%d\n", i); | |
266 | if (dev == NULL) | |
6052cbab | 267 | break; /* no more devices available */ |
a0cb3fc3 MT |
268 | |
269 | if (usb_storage_probe(dev, 0, &usb_stor[usb_max_devs])) { | |
99e9ed1f LC |
270 | /* OK, it's a storage device. Iterate over its LUNs |
271 | * and populate `usb_dev_desc'. | |
a0cb3fc3 | 272 | */ |
99e9ed1f LC |
273 | int lun, max_lun, start = usb_max_devs; |
274 | ||
275 | max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]); | |
276 | for (lun = 0; | |
277 | lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV; | |
278 | lun++) { | |
279 | usb_dev_desc[usb_max_devs].lun = lun; | |
280 | if (usb_stor_get_info(dev, &usb_stor[start], | |
281 | &usb_dev_desc[usb_max_devs]) == 1) { | |
affae2bf | 282 | usb_max_devs++; |
99e9ed1f LC |
283 | } |
284 | } | |
a0cb3fc3 MT |
285 | } |
286 | /* if storage device */ | |
287 | if (usb_max_devs == USB_MAX_STOR_DEV) { | |
288 | printf("max USB Storage Device reached: %d stopping\n", | |
289 | usb_max_devs); | |
affae2bf WD |
290 | break; |
291 | } | |
292 | } /* for */ | |
095b8a37 | 293 | |
affae2bf | 294 | usb_disable_asynch(0); /* asynch transfer allowed */ |
9c998aa8 | 295 | printf("%d Storage Device(s) found\n", usb_max_devs); |
a0cb3fc3 | 296 | if (usb_max_devs > 0) |
affae2bf | 297 | return 0; |
a0cb3fc3 | 298 | return -1; |
affae2bf WD |
299 | } |
300 | ||
301 | static int usb_stor_irq(struct usb_device *dev) | |
302 | { | |
303 | struct us_data *us; | |
a0cb3fc3 | 304 | us = (struct us_data *)dev->privptr; |
affae2bf | 305 | |
a0cb3fc3 MT |
306 | if (us->ip_wanted) |
307 | us->ip_wanted = 0; | |
affae2bf WD |
308 | return 0; |
309 | } | |
310 | ||
311 | ||
312 | #ifdef USB_STOR_DEBUG | |
313 | ||
a0cb3fc3 | 314 | static void usb_show_srb(ccb *pccb) |
affae2bf WD |
315 | { |
316 | int i; | |
a0cb3fc3 MT |
317 | printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen); |
318 | for (i = 0; i < 12; i++) | |
319 | printf("%02X ", pccb->cmd[i]); | |
affae2bf WD |
320 | printf("\n"); |
321 | } | |
322 | ||
323 | static void display_int_status(unsigned long tmp) | |
324 | { | |
325 | printf("Status: %s %s %s %s %s %s %s\n", | |
326 | (tmp & USB_ST_ACTIVE) ? "Active" : "", | |
327 | (tmp & USB_ST_STALLED) ? "Stalled" : "", | |
328 | (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "", | |
329 | (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "", | |
330 | (tmp & USB_ST_NAK_REC) ? "NAKed" : "", | |
331 | (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "", | |
332 | (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : ""); | |
333 | } | |
334 | #endif | |
335 | /*********************************************************************** | |
336 | * Data transfer routines | |
337 | ***********************************************************************/ | |
338 | ||
339 | static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) | |
340 | { | |
341 | int max_size; | |
342 | int this_xfer; | |
343 | int result; | |
344 | int partial; | |
345 | int maxtry; | |
346 | int stat; | |
347 | ||
348 | /* determine the maximum packet size for these transfers */ | |
349 | max_size = usb_maxpacket(us->pusb_dev, pipe) * 16; | |
350 | ||
351 | /* while we have data left to transfer */ | |
352 | while (length) { | |
353 | ||
354 | /* calculate how long this will be -- maximum or a remainder */ | |
355 | this_xfer = length > max_size ? max_size : length; | |
356 | length -= this_xfer; | |
357 | ||
358 | /* setup the retry counter */ | |
359 | maxtry = 10; | |
360 | ||
361 | /* set up the transfer loop */ | |
362 | do { | |
363 | /* transfer the data */ | |
364 | USB_STOR_PRINTF("Bulk xfer 0x%x(%d) try #%d\n", | |
365 | (unsigned int)buf, this_xfer, 11 - maxtry); | |
366 | result = usb_bulk_msg(us->pusb_dev, pipe, buf, | |
a0cb3fc3 MT |
367 | this_xfer, &partial, |
368 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
369 | USB_STOR_PRINTF("bulk_msg returned %d xferred %d/%d\n", |
370 | result, partial, this_xfer); | |
a0cb3fc3 MT |
371 | if (us->pusb_dev->status != 0) { |
372 | /* if we stall, we need to clear it before | |
373 | * we go on | |
374 | */ | |
affae2bf WD |
375 | #ifdef USB_STOR_DEBUG |
376 | display_int_status(us->pusb_dev->status); | |
377 | #endif | |
378 | if (us->pusb_dev->status & USB_ST_STALLED) { | |
379 | USB_STOR_PRINTF("stalled ->clearing endpoint halt for pipe 0x%x\n", pipe); | |
380 | stat = us->pusb_dev->status; | |
381 | usb_clear_halt(us->pusb_dev, pipe); | |
a0cb3fc3 MT |
382 | us->pusb_dev->status = stat; |
383 | if (this_xfer == partial) { | |
4b210e8b | 384 | USB_STOR_PRINTF("bulk transferred with error %lX, but data ok\n", us->pusb_dev->status); |
affae2bf WD |
385 | return 0; |
386 | } | |
387 | else | |
388 | return result; | |
389 | } | |
390 | if (us->pusb_dev->status & USB_ST_NAK_REC) { | |
391 | USB_STOR_PRINTF("Device NAKed bulk_msg\n"); | |
392 | return result; | |
393 | } | |
a0cb3fc3 MT |
394 | USB_STOR_PRINTF("bulk transferred with error"); |
395 | if (this_xfer == partial) { | |
4b210e8b | 396 | USB_STOR_PRINTF(" %ld, but data ok\n", |
a0cb3fc3 | 397 | us->pusb_dev->status); |
affae2bf WD |
398 | return 0; |
399 | } | |
400 | /* if our try counter reaches 0, bail out */ | |
4b210e8b | 401 | USB_STOR_PRINTF(" %ld, data %d\n", |
a0cb3fc3 | 402 | us->pusb_dev->status, partial); |
affae2bf WD |
403 | if (!maxtry--) |
404 | return result; | |
405 | } | |
406 | /* update to show what data was transferred */ | |
407 | this_xfer -= partial; | |
408 | buf += partial; | |
409 | /* continue until this transfer is done */ | |
a0cb3fc3 | 410 | } while (this_xfer); |
affae2bf WD |
411 | } |
412 | ||
413 | /* if we get here, we're done and successful */ | |
414 | return 0; | |
415 | } | |
416 | ||
149dded2 WD |
417 | static int usb_stor_BBB_reset(struct us_data *us) |
418 | { | |
419 | int result; | |
420 | unsigned int pipe; | |
421 | ||
422 | /* | |
423 | * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) | |
424 | * | |
425 | * For Reset Recovery the host shall issue in the following order: | |
426 | * a) a Bulk-Only Mass Storage Reset | |
427 | * b) a Clear Feature HALT to the Bulk-In endpoint | |
428 | * c) a Clear Feature HALT to the Bulk-Out endpoint | |
429 | * | |
430 | * This is done in 3 steps. | |
431 | * | |
432 | * If the reset doesn't succeed, the device should be port reset. | |
433 | * | |
434 | * This comment stolen from FreeBSD's /sys/dev/usb/umass.c. | |
435 | */ | |
436 | USB_STOR_PRINTF("BBB_reset\n"); | |
a0cb3fc3 MT |
437 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
438 | US_BBB_RESET, | |
439 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
440 | 0, us->ifnum, 0, 0, USB_CNTL_TIMEOUT * 5); | |
9c998aa8 | 441 | |
a0cb3fc3 | 442 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
149dded2 WD |
443 | USB_STOR_PRINTF("RESET:stall\n"); |
444 | return -1; | |
445 | } | |
9c998aa8 | 446 | |
149dded2 | 447 | /* long wait for reset */ |
5b84dd67 | 448 | mdelay(150); |
4b210e8b | 449 | USB_STOR_PRINTF("BBB_reset result %d: status %lX reset\n", result, |
a0cb3fc3 | 450 | us->pusb_dev->status); |
149dded2 WD |
451 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
452 | result = usb_clear_halt(us->pusb_dev, pipe); | |
453 | /* long wait for reset */ | |
5b84dd67 | 454 | mdelay(150); |
4b210e8b | 455 | USB_STOR_PRINTF("BBB_reset result %d: status %lX clearing IN endpoint\n", |
a0cb3fc3 | 456 | result, us->pusb_dev->status); |
149dded2 WD |
457 | /* long wait for reset */ |
458 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
459 | result = usb_clear_halt(us->pusb_dev, pipe); | |
5b84dd67 | 460 | mdelay(150); |
4b210e8b | 461 | USB_STOR_PRINTF("BBB_reset result %d: status %lX" |
a0cb3fc3 MT |
462 | " clearing OUT endpoint\n", result, |
463 | us->pusb_dev->status); | |
149dded2 WD |
464 | USB_STOR_PRINTF("BBB_reset done\n"); |
465 | return 0; | |
466 | } | |
467 | ||
affae2bf WD |
468 | /* FIXME: this reset function doesn't really reset the port, and it |
469 | * should. Actually it should probably do what it's doing here, and | |
470 | * reset the port physically | |
471 | */ | |
472 | static int usb_stor_CB_reset(struct us_data *us) | |
473 | { | |
474 | unsigned char cmd[12]; | |
475 | int result; | |
476 | ||
477 | USB_STOR_PRINTF("CB_reset\n"); | |
a0cb3fc3 | 478 | memset(cmd, 0xff, sizeof(cmd)); |
affae2bf WD |
479 | cmd[0] = SCSI_SEND_DIAG; |
480 | cmd[1] = 4; | |
a0cb3fc3 MT |
481 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
482 | US_CBI_ADSC, | |
483 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
484 | 0, us->ifnum, cmd, sizeof(cmd), | |
485 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
486 | |
487 | /* long wait for reset */ | |
5b84dd67 | 488 | mdelay(1500); |
4b210e8b | 489 | USB_STOR_PRINTF("CB_reset result %d: status %lX" |
a0cb3fc3 MT |
490 | " clearing endpoint halt\n", result, |
491 | us->pusb_dev->status); | |
affae2bf WD |
492 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in)); |
493 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); | |
494 | ||
495 | USB_STOR_PRINTF("CB_reset done\n"); | |
496 | return 0; | |
497 | } | |
498 | ||
149dded2 WD |
499 | /* |
500 | * Set up the command for a BBB device. Note that the actual SCSI | |
501 | * command is copied into cbw.CBWCDB. | |
502 | */ | |
503 | int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) | |
504 | { | |
505 | int result; | |
506 | int actlen; | |
507 | int dir_in; | |
508 | unsigned int pipe; | |
f5766139 | 509 | ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_cbw_t, cbw, 1); |
149dded2 WD |
510 | |
511 | dir_in = US_DIRECTION(srb->cmd[0]); | |
512 | ||
513 | #ifdef BBB_COMDAT_TRACE | |
a0cb3fc3 MT |
514 | printf("dir %d lun %d cmdlen %d cmd %p datalen %d pdata %p\n", |
515 | dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, | |
516 | srb->pdata); | |
149dded2 | 517 | if (srb->cmdlen) { |
a0cb3fc3 | 518 | for (result = 0; result < srb->cmdlen; result++) |
149dded2 WD |
519 | printf("cmd[%d] %#x ", result, srb->cmd[result]); |
520 | printf("\n"); | |
521 | } | |
522 | #endif | |
523 | /* sanity checks */ | |
524 | if (!(srb->cmdlen <= CBWCDBLENGTH)) { | |
525 | USB_STOR_PRINTF("usb_stor_BBB_comdat:cmdlen too large\n"); | |
526 | return -1; | |
527 | } | |
528 | ||
529 | /* always OUT to the ep */ | |
530 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
531 | ||
f5766139 PS |
532 | cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE); |
533 | cbw->dCBWTag = cpu_to_le32(CBWTag++); | |
534 | cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen); | |
535 | cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT); | |
536 | cbw->bCBWLUN = srb->lun; | |
537 | cbw->bCDBLength = srb->cmdlen; | |
149dded2 WD |
538 | /* copy the command data into the CBW command data buffer */ |
539 | /* DST SRC LEN!!! */ | |
f5766139 PS |
540 | memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen); |
541 | result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE, | |
a0cb3fc3 | 542 | &actlen, USB_CNTL_TIMEOUT * 5); |
149dded2 WD |
543 | if (result < 0) |
544 | USB_STOR_PRINTF("usb_stor_BBB_comdat:usb_bulk_msg error\n"); | |
545 | return result; | |
546 | } | |
547 | ||
affae2bf WD |
548 | /* FIXME: we also need a CBI_command which sets up the completion |
549 | * interrupt, and waits for it | |
550 | */ | |
551 | int usb_stor_CB_comdat(ccb *srb, struct us_data *us) | |
552 | { | |
77ddac94 | 553 | int result = 0; |
a0cb3fc3 | 554 | int dir_in, retry; |
affae2bf WD |
555 | unsigned int pipe; |
556 | unsigned long status; | |
557 | ||
a0cb3fc3 MT |
558 | retry = 5; |
559 | dir_in = US_DIRECTION(srb->cmd[0]); | |
affae2bf | 560 | |
a0cb3fc3 MT |
561 | if (dir_in) |
562 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); | |
563 | else | |
564 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
565 | ||
566 | while (retry--) { | |
567 | USB_STOR_PRINTF("CBI gets a command: Try %d\n", 5 - retry); | |
affae2bf WD |
568 | #ifdef USB_STOR_DEBUG |
569 | usb_show_srb(srb); | |
570 | #endif | |
571 | /* let's send the command via the control pipe */ | |
a0cb3fc3 MT |
572 | result = usb_control_msg(us->pusb_dev, |
573 | usb_sndctrlpipe(us->pusb_dev , 0), | |
574 | US_CBI_ADSC, | |
575 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
affae2bf | 576 | 0, us->ifnum, |
a0cb3fc3 MT |
577 | srb->cmd, srb->cmdlen, |
578 | USB_CNTL_TIMEOUT * 5); | |
579 | USB_STOR_PRINTF("CB_transport: control msg returned %d," | |
4b210e8b | 580 | " status %lX\n", result, us->pusb_dev->status); |
affae2bf WD |
581 | /* check the return code for the command */ |
582 | if (result < 0) { | |
a0cb3fc3 MT |
583 | if (us->pusb_dev->status & USB_ST_STALLED) { |
584 | status = us->pusb_dev->status; | |
585 | USB_STOR_PRINTF(" stall during command found," | |
586 | " clear pipe\n"); | |
587 | usb_clear_halt(us->pusb_dev, | |
588 | usb_sndctrlpipe(us->pusb_dev, 0)); | |
589 | us->pusb_dev->status = status; | |
affae2bf | 590 | } |
a0cb3fc3 | 591 | USB_STOR_PRINTF(" error during command %02X" |
4b210e8b | 592 | " Stat = %lX\n", srb->cmd[0], |
a0cb3fc3 | 593 | us->pusb_dev->status); |
affae2bf WD |
594 | return result; |
595 | } | |
596 | /* transfer the data payload for this command, if one exists*/ | |
597 | ||
a0cb3fc3 MT |
598 | USB_STOR_PRINTF("CB_transport: control msg returned %d," |
599 | " direction is %s to go 0x%lx\n", result, | |
600 | dir_in ? "IN" : "OUT", srb->datalen); | |
affae2bf | 601 | if (srb->datalen) { |
a0cb3fc3 MT |
602 | result = us_one_transfer(us, pipe, (char *)srb->pdata, |
603 | srb->datalen); | |
604 | USB_STOR_PRINTF("CBI attempted to transfer data," | |
605 | " result is %d status %lX, len %d\n", | |
606 | result, us->pusb_dev->status, | |
607 | us->pusb_dev->act_len); | |
608 | if (!(us->pusb_dev->status & USB_ST_NAK_REC)) | |
affae2bf WD |
609 | break; |
610 | } /* if (srb->datalen) */ | |
611 | else | |
612 | break; | |
613 | } | |
614 | /* return result */ | |
615 | ||
616 | return result; | |
617 | } | |
618 | ||
619 | ||
a0cb3fc3 | 620 | int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) |
affae2bf WD |
621 | { |
622 | int timeout; | |
623 | ||
80885a9d | 624 | us->ip_wanted = 1; |
a0cb3fc3 | 625 | submit_int_msg(us->pusb_dev, us->irqpipe, |
80885a9d WD |
626 | (void *) &us->ip_data, us->irqmaxp, us->irqinterval); |
627 | timeout = 1000; | |
628 | while (timeout--) { | |
629 | if ((volatile int *) us->ip_wanted == 0) | |
affae2bf | 630 | break; |
5b84dd67 | 631 | mdelay(10); |
affae2bf WD |
632 | } |
633 | if (us->ip_wanted) { | |
a0cb3fc3 | 634 | printf(" Did not get interrupt on CBI\n"); |
affae2bf WD |
635 | us->ip_wanted = 0; |
636 | return USB_STOR_TRANSPORT_ERROR; | |
637 | } | |
80885a9d WD |
638 | USB_STOR_PRINTF |
639 | ("Got interrupt data 0x%x, transfered %d status 0x%lX\n", | |
640 | us->ip_data, us->pusb_dev->irq_act_len, | |
641 | us->pusb_dev->irq_status); | |
affae2bf WD |
642 | /* UFI gives us ASC and ASCQ, like a request sense */ |
643 | if (us->subclass == US_SC_UFI) { | |
644 | if (srb->cmd[0] == SCSI_REQ_SENSE || | |
645 | srb->cmd[0] == SCSI_INQUIRY) | |
646 | return USB_STOR_TRANSPORT_GOOD; /* Good */ | |
80885a9d WD |
647 | else if (us->ip_data) |
648 | return USB_STOR_TRANSPORT_FAILED; | |
affae2bf | 649 | else |
80885a9d | 650 | return USB_STOR_TRANSPORT_GOOD; |
affae2bf WD |
651 | } |
652 | /* otherwise, we interpret the data normally */ | |
653 | switch (us->ip_data) { | |
80885a9d WD |
654 | case 0x0001: |
655 | return USB_STOR_TRANSPORT_GOOD; | |
656 | case 0x0002: | |
657 | return USB_STOR_TRANSPORT_FAILED; | |
658 | default: | |
659 | return USB_STOR_TRANSPORT_ERROR; | |
660 | } /* switch */ | |
affae2bf WD |
661 | return USB_STOR_TRANSPORT_ERROR; |
662 | } | |
663 | ||
664 | #define USB_TRANSPORT_UNKNOWN_RETRY 5 | |
665 | #define USB_TRANSPORT_NOT_READY_RETRY 10 | |
666 | ||
149dded2 WD |
667 | /* clear a stall on an endpoint - special for BBB devices */ |
668 | int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) | |
669 | { | |
670 | int result; | |
671 | ||
672 | /* ENDPOINT_HALT = 0, so set value to 0 */ | |
a0cb3fc3 | 673 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
149dded2 | 674 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, |
a0cb3fc3 | 675 | 0, endpt, 0, 0, USB_CNTL_TIMEOUT * 5); |
149dded2 WD |
676 | return result; |
677 | } | |
678 | ||
679 | int usb_stor_BBB_transport(ccb *srb, struct us_data *us) | |
680 | { | |
681 | int result, retry; | |
682 | int dir_in; | |
683 | int actlen, data_actlen; | |
684 | unsigned int pipe, pipein, pipeout; | |
f5766139 | 685 | ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_csw_t, csw, 1); |
149dded2 WD |
686 | #ifdef BBB_XPORT_TRACE |
687 | unsigned char *ptr; | |
688 | int index; | |
689 | #endif | |
690 | ||
691 | dir_in = US_DIRECTION(srb->cmd[0]); | |
692 | ||
693 | /* COMMAND phase */ | |
694 | USB_STOR_PRINTF("COMMAND phase\n"); | |
695 | result = usb_stor_BBB_comdat(srb, us); | |
696 | if (result < 0) { | |
697 | USB_STOR_PRINTF("failed to send CBW status %ld\n", | |
698 | us->pusb_dev->status); | |
699 | usb_stor_BBB_reset(us); | |
700 | return USB_STOR_TRANSPORT_FAILED; | |
701 | } | |
3e8581bb BT |
702 | if (!(us->flags & USB_READY)) |
703 | mdelay(5); | |
149dded2 WD |
704 | pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
705 | pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
706 | /* DATA phase + error handling */ | |
149dded2 WD |
707 | data_actlen = 0; |
708 | /* no data, go immediately to the STATUS phase */ | |
709 | if (srb->datalen == 0) | |
710 | goto st; | |
80885a9d | 711 | USB_STOR_PRINTF("DATA phase\n"); |
149dded2 WD |
712 | if (dir_in) |
713 | pipe = pipein; | |
714 | else | |
715 | pipe = pipeout; | |
a0cb3fc3 MT |
716 | result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, |
717 | &data_actlen, USB_CNTL_TIMEOUT * 5); | |
149dded2 | 718 | /* special handling of STALL in DATA phase */ |
a0cb3fc3 | 719 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
a43278a4 | 720 | USB_STOR_PRINTF("DATA:stall\n"); |
149dded2 | 721 | /* clear the STALL on the endpoint */ |
a0cb3fc3 MT |
722 | result = usb_stor_BBB_clear_endpt_stall(us, |
723 | dir_in ? us->ep_in : us->ep_out); | |
149dded2 WD |
724 | if (result >= 0) |
725 | /* continue on to STATUS phase */ | |
726 | goto st; | |
727 | } | |
728 | if (result < 0) { | |
729 | USB_STOR_PRINTF("usb_bulk_msg error status %ld\n", | |
730 | us->pusb_dev->status); | |
731 | usb_stor_BBB_reset(us); | |
732 | return USB_STOR_TRANSPORT_FAILED; | |
733 | } | |
734 | #ifdef BBB_XPORT_TRACE | |
735 | for (index = 0; index < data_actlen; index++) | |
736 | printf("pdata[%d] %#x ", index, srb->pdata[index]); | |
737 | printf("\n"); | |
738 | #endif | |
739 | /* STATUS phase + error handling */ | |
a0cb3fc3 | 740 | st: |
149dded2 | 741 | retry = 0; |
a0cb3fc3 | 742 | again: |
149dded2 | 743 | USB_STOR_PRINTF("STATUS phase\n"); |
f5766139 | 744 | result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE, |
9c998aa8 WD |
745 | &actlen, USB_CNTL_TIMEOUT*5); |
746 | ||
149dded2 | 747 | /* special handling of STALL in STATUS phase */ |
a0cb3fc3 MT |
748 | if ((result < 0) && (retry < 1) && |
749 | (us->pusb_dev->status & USB_ST_STALLED)) { | |
149dded2 WD |
750 | USB_STOR_PRINTF("STATUS:stall\n"); |
751 | /* clear the STALL on the endpoint */ | |
752 | result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in); | |
753 | if (result >= 0 && (retry++ < 1)) | |
754 | /* do a retry */ | |
755 | goto again; | |
756 | } | |
757 | if (result < 0) { | |
758 | USB_STOR_PRINTF("usb_bulk_msg error status %ld\n", | |
759 | us->pusb_dev->status); | |
760 | usb_stor_BBB_reset(us); | |
761 | return USB_STOR_TRANSPORT_FAILED; | |
762 | } | |
763 | #ifdef BBB_XPORT_TRACE | |
f5766139 | 764 | ptr = (unsigned char *)csw; |
149dded2 WD |
765 | for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) |
766 | printf("ptr[%d] %#x ", index, ptr[index]); | |
767 | printf("\n"); | |
768 | #endif | |
769 | /* misuse pipe to get the residue */ | |
f5766139 | 770 | pipe = le32_to_cpu(csw->dCSWDataResidue); |
149dded2 WD |
771 | if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) |
772 | pipe = srb->datalen - data_actlen; | |
f5766139 | 773 | if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) { |
149dded2 WD |
774 | USB_STOR_PRINTF("!CSWSIGNATURE\n"); |
775 | usb_stor_BBB_reset(us); | |
776 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 777 | } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) { |
149dded2 WD |
778 | USB_STOR_PRINTF("!Tag\n"); |
779 | usb_stor_BBB_reset(us); | |
780 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 781 | } else if (csw->bCSWStatus > CSWSTATUS_PHASE) { |
149dded2 WD |
782 | USB_STOR_PRINTF(">PHASE\n"); |
783 | usb_stor_BBB_reset(us); | |
784 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 785 | } else if (csw->bCSWStatus == CSWSTATUS_PHASE) { |
149dded2 WD |
786 | USB_STOR_PRINTF("=PHASE\n"); |
787 | usb_stor_BBB_reset(us); | |
788 | return USB_STOR_TRANSPORT_FAILED; | |
789 | } else if (data_actlen > srb->datalen) { | |
4b210e8b | 790 | USB_STOR_PRINTF("transferred %dB instead of %ldB\n", |
149dded2 WD |
791 | data_actlen, srb->datalen); |
792 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 793 | } else if (csw->bCSWStatus == CSWSTATUS_FAILED) { |
149dded2 WD |
794 | USB_STOR_PRINTF("FAILED\n"); |
795 | return USB_STOR_TRANSPORT_FAILED; | |
796 | } | |
797 | ||
798 | return result; | |
799 | } | |
800 | ||
affae2bf WD |
801 | int usb_stor_CB_transport(ccb *srb, struct us_data *us) |
802 | { | |
a0cb3fc3 | 803 | int result, status; |
affae2bf WD |
804 | ccb *psrb; |
805 | ccb reqsrb; | |
a0cb3fc3 | 806 | int retry, notready; |
affae2bf | 807 | |
d0ff51ba | 808 | psrb = &reqsrb; |
a0cb3fc3 MT |
809 | status = USB_STOR_TRANSPORT_GOOD; |
810 | retry = 0; | |
811 | notready = 0; | |
affae2bf WD |
812 | /* issue the command */ |
813 | do_retry: | |
a0cb3fc3 | 814 | result = usb_stor_CB_comdat(srb, us); |
4b210e8b | 815 | USB_STOR_PRINTF("command / Data returned %d, status %lX\n", |
a0cb3fc3 | 816 | result, us->pusb_dev->status); |
affae2bf | 817 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
818 | if (us->protocol == US_PR_CBI) { |
819 | status = usb_stor_CBI_get_status(srb, us); | |
affae2bf | 820 | /* if the status is error, report it */ |
a0cb3fc3 | 821 | if (status == USB_STOR_TRANSPORT_ERROR) { |
affae2bf WD |
822 | USB_STOR_PRINTF(" USB CBI Command Error\n"); |
823 | return status; | |
824 | } | |
a0cb3fc3 MT |
825 | srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); |
826 | srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff); | |
827 | if (!us->ip_data) { | |
828 | /* if the status is good, report it */ | |
829 | if (status == USB_STOR_TRANSPORT_GOOD) { | |
affae2bf WD |
830 | USB_STOR_PRINTF(" USB CBI Command Good\n"); |
831 | return status; | |
832 | } | |
833 | } | |
834 | } | |
835 | /* do we have to issue an auto request? */ | |
836 | /* HERE we have to check the result */ | |
a0cb3fc3 | 837 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { |
4b210e8b | 838 | USB_STOR_PRINTF("ERROR %lX\n", us->pusb_dev->status); |
affae2bf WD |
839 | us->transport_reset(us); |
840 | return USB_STOR_TRANSPORT_ERROR; | |
841 | } | |
a0cb3fc3 MT |
842 | if ((us->protocol == US_PR_CBI) && |
843 | ((srb->cmd[0] == SCSI_REQ_SENSE) || | |
844 | (srb->cmd[0] == SCSI_INQUIRY))) { | |
845 | /* do not issue an autorequest after request sense */ | |
affae2bf WD |
846 | USB_STOR_PRINTF("No auto request and good\n"); |
847 | return USB_STOR_TRANSPORT_GOOD; | |
848 | } | |
849 | /* issue an request_sense */ | |
a0cb3fc3 MT |
850 | memset(&psrb->cmd[0], 0, 12); |
851 | psrb->cmd[0] = SCSI_REQ_SENSE; | |
852 | psrb->cmd[1] = srb->lun << 5; | |
853 | psrb->cmd[4] = 18; | |
854 | psrb->datalen = 18; | |
d0ff51ba | 855 | psrb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 | 856 | psrb->cmdlen = 12; |
affae2bf | 857 | /* issue the command */ |
a0cb3fc3 MT |
858 | result = usb_stor_CB_comdat(psrb, us); |
859 | USB_STOR_PRINTF("auto request returned %d\n", result); | |
affae2bf | 860 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
861 | if (us->protocol == US_PR_CBI) |
862 | status = usb_stor_CBI_get_status(psrb, us); | |
863 | ||
864 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { | |
4b210e8b | 865 | USB_STOR_PRINTF(" AUTO REQUEST ERROR %ld\n", |
a0cb3fc3 | 866 | us->pusb_dev->status); |
affae2bf WD |
867 | return USB_STOR_TRANSPORT_ERROR; |
868 | } | |
a0cb3fc3 MT |
869 | USB_STOR_PRINTF("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", |
870 | srb->sense_buf[0], srb->sense_buf[2], | |
871 | srb->sense_buf[12], srb->sense_buf[13]); | |
affae2bf | 872 | /* Check the auto request result */ |
a0cb3fc3 MT |
873 | if ((srb->sense_buf[2] == 0) && |
874 | (srb->sense_buf[12] == 0) && | |
875 | (srb->sense_buf[13] == 0)) { | |
876 | /* ok, no sense */ | |
affae2bf | 877 | return USB_STOR_TRANSPORT_GOOD; |
a0cb3fc3 MT |
878 | } |
879 | ||
affae2bf | 880 | /* Check the auto request result */ |
a0cb3fc3 MT |
881 | switch (srb->sense_buf[2]) { |
882 | case 0x01: | |
883 | /* Recovered Error */ | |
149dded2 | 884 | return USB_STOR_TRANSPORT_GOOD; |
80885a9d | 885 | break; |
a0cb3fc3 MT |
886 | case 0x02: |
887 | /* Not Ready */ | |
888 | if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) { | |
889 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
890 | " 0x%02X (NOT READY)\n", srb->cmd[0], | |
891 | srb->sense_buf[0], srb->sense_buf[2], | |
892 | srb->sense_buf[12], srb->sense_buf[13]); | |
149dded2 WD |
893 | return USB_STOR_TRANSPORT_FAILED; |
894 | } else { | |
5b84dd67 | 895 | mdelay(100); |
149dded2 WD |
896 | goto do_retry; |
897 | } | |
898 | break; | |
899 | default: | |
a0cb3fc3 MT |
900 | if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { |
901 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
902 | " 0x%02X\n", srb->cmd[0], srb->sense_buf[0], | |
903 | srb->sense_buf[2], srb->sense_buf[12], | |
904 | srb->sense_buf[13]); | |
149dded2 | 905 | return USB_STOR_TRANSPORT_FAILED; |
a0cb3fc3 | 906 | } else |
149dded2 | 907 | goto do_retry; |
149dded2 | 908 | break; |
affae2bf WD |
909 | } |
910 | return USB_STOR_TRANSPORT_FAILED; | |
911 | } | |
912 | ||
913 | ||
a0cb3fc3 | 914 | static int usb_inquiry(ccb *srb, struct us_data *ss) |
affae2bf | 915 | { |
a0cb3fc3 MT |
916 | int retry, i; |
917 | retry = 5; | |
affae2bf | 918 | do { |
a0cb3fc3 MT |
919 | memset(&srb->cmd[0], 0, 12); |
920 | srb->cmd[0] = SCSI_INQUIRY; | |
99e9ed1f | 921 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
922 | srb->cmd[4] = 36; |
923 | srb->datalen = 36; | |
924 | srb->cmdlen = 12; | |
925 | i = ss->transport(srb, ss); | |
926 | USB_STOR_PRINTF("inquiry returns %d\n", i); | |
927 | if (i == 0) | |
affae2bf | 928 | break; |
fac71cc4 | 929 | } while (--retry); |
149dded2 | 930 | |
a0cb3fc3 | 931 | if (!retry) { |
affae2bf WD |
932 | printf("error in inquiry\n"); |
933 | return -1; | |
934 | } | |
935 | return 0; | |
936 | } | |
937 | ||
a0cb3fc3 | 938 | static int usb_request_sense(ccb *srb, struct us_data *ss) |
affae2bf WD |
939 | { |
940 | char *ptr; | |
80885a9d | 941 | |
a0cb3fc3 MT |
942 | ptr = (char *)srb->pdata; |
943 | memset(&srb->cmd[0], 0, 12); | |
944 | srb->cmd[0] = SCSI_REQ_SENSE; | |
99e9ed1f | 945 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
946 | srb->cmd[4] = 18; |
947 | srb->datalen = 18; | |
d0ff51ba | 948 | srb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 MT |
949 | srb->cmdlen = 12; |
950 | ss->transport(srb, ss); | |
951 | USB_STOR_PRINTF("Request Sense returned %02X %02X %02X\n", | |
952 | srb->sense_buf[2], srb->sense_buf[12], | |
953 | srb->sense_buf[13]); | |
954 | srb->pdata = (uchar *)ptr; | |
affae2bf WD |
955 | return 0; |
956 | } | |
957 | ||
a0cb3fc3 | 958 | static int usb_test_unit_ready(ccb *srb, struct us_data *ss) |
affae2bf | 959 | { |
9c998aa8 | 960 | int retries = 10; |
149dded2 | 961 | |
affae2bf | 962 | do { |
a0cb3fc3 MT |
963 | memset(&srb->cmd[0], 0, 12); |
964 | srb->cmd[0] = SCSI_TST_U_RDY; | |
99e9ed1f | 965 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
966 | srb->datalen = 0; |
967 | srb->cmdlen = 12; | |
3e8581bb BT |
968 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) { |
969 | ss->flags |= USB_READY; | |
affae2bf | 970 | return 0; |
3e8581bb | 971 | } |
a0cb3fc3 | 972 | usb_request_sense(srb, ss); |
5b84dd67 | 973 | mdelay(100); |
a0cb3fc3 | 974 | } while (retries--); |
149dded2 | 975 | |
affae2bf WD |
976 | return -1; |
977 | } | |
978 | ||
a0cb3fc3 | 979 | static int usb_read_capacity(ccb *srb, struct us_data *ss) |
affae2bf WD |
980 | { |
981 | int retry; | |
a0cb3fc3 MT |
982 | /* XXX retries */ |
983 | retry = 3; | |
affae2bf | 984 | do { |
a0cb3fc3 MT |
985 | memset(&srb->cmd[0], 0, 12); |
986 | srb->cmd[0] = SCSI_RD_CAPAC; | |
99e9ed1f | 987 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
988 | srb->datalen = 8; |
989 | srb->cmdlen = 12; | |
990 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) | |
affae2bf | 991 | return 0; |
a0cb3fc3 | 992 | } while (retry--); |
149dded2 | 993 | |
affae2bf WD |
994 | return -1; |
995 | } | |
996 | ||
a0cb3fc3 MT |
997 | static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start, |
998 | unsigned short blocks) | |
affae2bf | 999 | { |
a0cb3fc3 MT |
1000 | memset(&srb->cmd[0], 0, 12); |
1001 | srb->cmd[0] = SCSI_READ10; | |
99e9ed1f | 1002 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1003 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1004 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1005 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1006 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1007 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1008 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1009 | srb->cmdlen = 12; | |
1010 | USB_STOR_PRINTF("read10: start %lx blocks %x\n", start, blocks); | |
1011 | return ss->transport(srb, ss); | |
affae2bf WD |
1012 | } |
1013 | ||
127e1084 MJ |
1014 | static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start, |
1015 | unsigned short blocks) | |
1016 | { | |
1017 | memset(&srb->cmd[0], 0, 12); | |
1018 | srb->cmd[0] = SCSI_WRITE10; | |
99e9ed1f | 1019 | srb->cmd[1] = srb->lun << 5; |
127e1084 MJ |
1020 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1021 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1022 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1023 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1024 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1025 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1026 | srb->cmdlen = 12; | |
1027 | USB_STOR_PRINTF("write10: start %lx blocks %x\n", start, blocks); | |
1028 | return ss->transport(srb, ss); | |
1029 | } | |
1030 | ||
affae2bf | 1031 | |
ddde6b7c BS |
1032 | #ifdef CONFIG_USB_BIN_FIXUP |
1033 | /* | |
1034 | * Some USB storage devices queried for SCSI identification data respond with | |
1035 | * binary strings, which if output to the console freeze the terminal. The | |
1036 | * workaround is to modify the vendor and product strings read from such | |
1037 | * device with proper values (as reported by 'usb info'). | |
1038 | * | |
1039 | * Vendor and product length limits are taken from the definition of | |
1040 | * block_dev_desc_t in include/part.h. | |
1041 | */ | |
1042 | static void usb_bin_fixup(struct usb_device_descriptor descriptor, | |
1043 | unsigned char vendor[], | |
1044 | unsigned char product[]) { | |
1045 | const unsigned char max_vendor_len = 40; | |
1046 | const unsigned char max_product_len = 20; | |
1047 | if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) { | |
a0cb3fc3 MT |
1048 | strncpy((char *)vendor, "SMSC", max_vendor_len); |
1049 | strncpy((char *)product, "Flash Media Cntrller", | |
1050 | max_product_len); | |
ddde6b7c BS |
1051 | } |
1052 | } | |
1053 | #endif /* CONFIG_USB_BIN_FIXUP */ | |
1054 | ||
a0cb3fc3 MT |
1055 | unsigned long usb_stor_read(int device, unsigned long blknr, |
1056 | unsigned long blkcnt, void *buffer) | |
affae2bf | 1057 | { |
4bee5c83 | 1058 | unsigned long start, blks, buf_addr; |
affae2bf WD |
1059 | unsigned short smallblks; |
1060 | struct usb_device *dev; | |
5dd95cf9 | 1061 | struct us_data *ss; |
a0cb3fc3 | 1062 | int retry, i; |
f8d813e3 WD |
1063 | ccb *srb = &usb_ccb; |
1064 | ||
1065 | if (blkcnt == 0) | |
1066 | return 0; | |
1067 | ||
1068 | device &= 0xff; | |
a0cb3fc3 MT |
1069 | /* Setup device */ |
1070 | USB_STOR_PRINTF("\nusb_read: dev %d \n", device); | |
1071 | dev = NULL; | |
1072 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
1073 | dev = usb_get_dev_index(i); | |
1074 | if (dev == NULL) | |
affae2bf | 1075 | return 0; |
a0cb3fc3 | 1076 | if (dev->devnum == usb_dev_desc[device].target) |
affae2bf WD |
1077 | break; |
1078 | } | |
5dd95cf9 | 1079 | ss = (struct us_data *)dev->privptr; |
affae2bf WD |
1080 | |
1081 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
a0cb3fc3 MT |
1082 | srb->lun = usb_dev_desc[device].lun; |
1083 | buf_addr = (unsigned long)buffer; | |
1084 | start = blknr; | |
1085 | blks = blkcnt; | |
5dd95cf9 | 1086 | if (usb_test_unit_ready(srb, ss)) { |
a0cb3fc3 MT |
1087 | printf("Device NOT ready\n Request Sense returned %02X %02X" |
1088 | " %02X\n", srb->sense_buf[2], srb->sense_buf[12], | |
1089 | srb->sense_buf[13]); | |
affae2bf WD |
1090 | return 0; |
1091 | } | |
a0cb3fc3 MT |
1092 | |
1093 | USB_STOR_PRINTF("\nusb_read: dev %d startblk %lx, blccnt %lx" | |
1094 | " buffer %lx\n", device, start, blks, buf_addr); | |
1095 | ||
affae2bf | 1096 | do { |
a0cb3fc3 MT |
1097 | /* XXX need some comment here */ |
1098 | retry = 2; | |
1099 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1100 | if (blks > USB_MAX_XFER_BLK) |
1101 | smallblks = USB_MAX_XFER_BLK; | |
a0cb3fc3 MT |
1102 | else |
1103 | smallblks = (unsigned short) blks; | |
affae2bf | 1104 | retry_it: |
4bee5c83 | 1105 | if (smallblks == USB_MAX_XFER_BLK) |
affae2bf | 1106 | usb_show_progress(); |
a0cb3fc3 MT |
1107 | srb->datalen = usb_dev_desc[device].blksz * smallblks; |
1108 | srb->pdata = (unsigned char *)buf_addr; | |
5dd95cf9 | 1109 | if (usb_read_10(srb, ss, start, smallblks)) { |
affae2bf | 1110 | USB_STOR_PRINTF("Read ERROR\n"); |
5dd95cf9 | 1111 | usb_request_sense(srb, ss); |
a0cb3fc3 | 1112 | if (retry--) |
affae2bf | 1113 | goto retry_it; |
a0cb3fc3 | 1114 | blkcnt -= blks; |
affae2bf WD |
1115 | break; |
1116 | } | |
a0cb3fc3 MT |
1117 | start += smallblks; |
1118 | blks -= smallblks; | |
1119 | buf_addr += srb->datalen; | |
1120 | } while (blks != 0); | |
3e8581bb | 1121 | ss->flags &= ~USB_READY; |
a0cb3fc3 MT |
1122 | |
1123 | USB_STOR_PRINTF("usb_read: end startblk %lx, blccnt %x buffer %lx\n", | |
1124 | start, smallblks, buf_addr); | |
1125 | ||
affae2bf | 1126 | usb_disable_asynch(0); /* asynch transfer allowed */ |
4bee5c83 | 1127 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1128 | debug("\n"); |
a0cb3fc3 | 1129 | return blkcnt; |
affae2bf WD |
1130 | } |
1131 | ||
127e1084 MJ |
1132 | unsigned long usb_stor_write(int device, unsigned long blknr, |
1133 | unsigned long blkcnt, const void *buffer) | |
1134 | { | |
4bee5c83 | 1135 | unsigned long start, blks, buf_addr; |
127e1084 MJ |
1136 | unsigned short smallblks; |
1137 | struct usb_device *dev; | |
5dd95cf9 | 1138 | struct us_data *ss; |
127e1084 MJ |
1139 | int retry, i; |
1140 | ccb *srb = &usb_ccb; | |
1141 | ||
1142 | if (blkcnt == 0) | |
1143 | return 0; | |
1144 | ||
1145 | device &= 0xff; | |
1146 | /* Setup device */ | |
1147 | USB_STOR_PRINTF("\nusb_write: dev %d \n", device); | |
1148 | dev = NULL; | |
1149 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
1150 | dev = usb_get_dev_index(i); | |
1151 | if (dev == NULL) | |
1152 | return 0; | |
1153 | if (dev->devnum == usb_dev_desc[device].target) | |
1154 | break; | |
1155 | } | |
5dd95cf9 | 1156 | ss = (struct us_data *)dev->privptr; |
127e1084 MJ |
1157 | |
1158 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1159 | ||
1160 | srb->lun = usb_dev_desc[device].lun; | |
1161 | buf_addr = (unsigned long)buffer; | |
1162 | start = blknr; | |
1163 | blks = blkcnt; | |
5dd95cf9 | 1164 | if (usb_test_unit_ready(srb, ss)) { |
127e1084 MJ |
1165 | printf("Device NOT ready\n Request Sense returned %02X %02X" |
1166 | " %02X\n", srb->sense_buf[2], srb->sense_buf[12], | |
1167 | srb->sense_buf[13]); | |
1168 | return 0; | |
1169 | } | |
1170 | ||
1171 | USB_STOR_PRINTF("\nusb_write: dev %d startblk %lx, blccnt %lx" | |
1172 | " buffer %lx\n", device, start, blks, buf_addr); | |
1173 | ||
1174 | do { | |
1175 | /* If write fails retry for max retry count else | |
1176 | * return with number of blocks written successfully. | |
1177 | */ | |
1178 | retry = 2; | |
1179 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1180 | if (blks > USB_MAX_XFER_BLK) |
1181 | smallblks = USB_MAX_XFER_BLK; | |
127e1084 MJ |
1182 | else |
1183 | smallblks = (unsigned short) blks; | |
1184 | retry_it: | |
4bee5c83 | 1185 | if (smallblks == USB_MAX_XFER_BLK) |
127e1084 MJ |
1186 | usb_show_progress(); |
1187 | srb->datalen = usb_dev_desc[device].blksz * smallblks; | |
1188 | srb->pdata = (unsigned char *)buf_addr; | |
5dd95cf9 | 1189 | if (usb_write_10(srb, ss, start, smallblks)) { |
127e1084 | 1190 | USB_STOR_PRINTF("Write ERROR\n"); |
5dd95cf9 | 1191 | usb_request_sense(srb, ss); |
127e1084 MJ |
1192 | if (retry--) |
1193 | goto retry_it; | |
1194 | blkcnt -= blks; | |
1195 | break; | |
1196 | } | |
1197 | start += smallblks; | |
1198 | blks -= smallblks; | |
1199 | buf_addr += srb->datalen; | |
1200 | } while (blks != 0); | |
3e8581bb | 1201 | ss->flags &= ~USB_READY; |
127e1084 MJ |
1202 | |
1203 | USB_STOR_PRINTF("usb_write: end startblk %lx, blccnt %x buffer %lx\n", | |
1204 | start, smallblks, buf_addr); | |
1205 | ||
1206 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
4bee5c83 | 1207 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1208 | debug("\n"); |
127e1084 MJ |
1209 | return blkcnt; |
1210 | ||
1211 | } | |
affae2bf WD |
1212 | |
1213 | /* Probe to see if a new device is actually a Storage device */ | |
a0cb3fc3 MT |
1214 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
1215 | struct us_data *ss) | |
affae2bf | 1216 | { |
8f8bd565 | 1217 | struct usb_interface *iface; |
affae2bf WD |
1218 | int i; |
1219 | unsigned int flags = 0; | |
1220 | ||
1221 | int protocol = 0; | |
1222 | int subclass = 0; | |
1223 | ||
affae2bf WD |
1224 | /* let's examine the device now */ |
1225 | iface = &dev->config.if_desc[ifnum]; | |
1226 | ||
1227 | #if 0 | |
1228 | /* this is the place to patch some storage devices */ | |
a0cb3fc3 MT |
1229 | USB_STOR_PRINTF("iVendor %X iProduct %X\n", dev->descriptor.idVendor, |
1230 | dev->descriptor.idProduct); | |
1231 | ||
1232 | if ((dev->descriptor.idVendor) == 0x066b && | |
1233 | (dev->descriptor.idProduct) == 0x0103) { | |
affae2bf WD |
1234 | USB_STOR_PRINTF("patched for E-USB\n"); |
1235 | protocol = US_PR_CB; | |
1236 | subclass = US_SC_UFI; /* an assumption */ | |
1237 | } | |
1238 | #endif | |
1239 | ||
1240 | if (dev->descriptor.bDeviceClass != 0 || | |
8f8bd565 TR |
1241 | iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE || |
1242 | iface->desc.bInterfaceSubClass < US_SC_MIN || | |
1243 | iface->desc.bInterfaceSubClass > US_SC_MAX) { | |
affae2bf WD |
1244 | /* if it's not a mass storage, we go no further */ |
1245 | return 0; | |
1246 | } | |
1247 | ||
9c998aa8 WD |
1248 | memset(ss, 0, sizeof(struct us_data)); |
1249 | ||
affae2bf WD |
1250 | /* At this point, we know we've got a live one */ |
1251 | USB_STOR_PRINTF("\n\nUSB Mass Storage device detected\n"); | |
1252 | ||
1253 | /* Initialize the us_data structure with some useful info */ | |
1254 | ss->flags = flags; | |
1255 | ss->ifnum = ifnum; | |
1256 | ss->pusb_dev = dev; | |
1257 | ss->attention_done = 0; | |
1258 | ||
1259 | /* If the device has subclass and protocol, then use that. Otherwise, | |
1260 | * take data from the specific interface. | |
1261 | */ | |
1262 | if (subclass) { | |
1263 | ss->subclass = subclass; | |
1264 | ss->protocol = protocol; | |
1265 | } else { | |
8f8bd565 TR |
1266 | ss->subclass = iface->desc.bInterfaceSubClass; |
1267 | ss->protocol = iface->desc.bInterfaceProtocol; | |
affae2bf WD |
1268 | } |
1269 | ||
1270 | /* set the handler pointers based on the protocol */ | |
1271 | USB_STOR_PRINTF("Transport: "); | |
1272 | switch (ss->protocol) { | |
1273 | case US_PR_CB: | |
1274 | USB_STOR_PRINTF("Control/Bulk\n"); | |
1275 | ss->transport = usb_stor_CB_transport; | |
1276 | ss->transport_reset = usb_stor_CB_reset; | |
1277 | break; | |
1278 | ||
1279 | case US_PR_CBI: | |
1280 | USB_STOR_PRINTF("Control/Bulk/Interrupt\n"); | |
1281 | ss->transport = usb_stor_CB_transport; | |
1282 | ss->transport_reset = usb_stor_CB_reset; | |
1283 | break; | |
149dded2 WD |
1284 | case US_PR_BULK: |
1285 | USB_STOR_PRINTF("Bulk/Bulk/Bulk\n"); | |
1286 | ss->transport = usb_stor_BBB_transport; | |
1287 | ss->transport_reset = usb_stor_BBB_reset; | |
1288 | break; | |
affae2bf | 1289 | default: |
80885a9d | 1290 | printf("USB Storage Transport unknown / not yet implemented\n"); |
affae2bf WD |
1291 | return 0; |
1292 | break; | |
1293 | } | |
1294 | ||
1295 | /* | |
1296 | * We are expecting a minimum of 2 endpoints - in and out (bulk). | |
1297 | * An optional interrupt is OK (necessary for CBI protocol). | |
1298 | * We will ignore any others. | |
1299 | */ | |
8f8bd565 | 1300 | for (i = 0; i < iface->desc.bNumEndpoints; i++) { |
affae2bf | 1301 | /* is it an BULK endpoint? */ |
a0cb3fc3 MT |
1302 | if ((iface->ep_desc[i].bmAttributes & |
1303 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { | |
affae2bf WD |
1304 | if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN) |
1305 | ss->ep_in = iface->ep_desc[i].bEndpointAddress & | |
1306 | USB_ENDPOINT_NUMBER_MASK; | |
1307 | else | |
a0cb3fc3 MT |
1308 | ss->ep_out = |
1309 | iface->ep_desc[i].bEndpointAddress & | |
affae2bf WD |
1310 | USB_ENDPOINT_NUMBER_MASK; |
1311 | } | |
1312 | ||
1313 | /* is it an interrupt endpoint? */ | |
a0cb3fc3 MT |
1314 | if ((iface->ep_desc[i].bmAttributes & |
1315 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { | |
affae2bf WD |
1316 | ss->ep_int = iface->ep_desc[i].bEndpointAddress & |
1317 | USB_ENDPOINT_NUMBER_MASK; | |
1318 | ss->irqinterval = iface->ep_desc[i].bInterval; | |
1319 | } | |
1320 | } | |
1321 | USB_STOR_PRINTF("Endpoints In %d Out %d Int %d\n", | |
1322 | ss->ep_in, ss->ep_out, ss->ep_int); | |
1323 | ||
1324 | /* Do some basic sanity checks, and bail if we find a problem */ | |
8f8bd565 | 1325 | if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) || |
affae2bf WD |
1326 | !ss->ep_in || !ss->ep_out || |
1327 | (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { | |
1328 | USB_STOR_PRINTF("Problems with device\n"); | |
1329 | return 0; | |
1330 | } | |
1331 | /* set class specific stuff */ | |
149dded2 WD |
1332 | /* We only handle certain protocols. Currently, these are |
1333 | * the only ones. | |
80885a9d | 1334 | * The SFF8070 accepts the requests used in u-boot |
affae2bf | 1335 | */ |
80885a9d WD |
1336 | if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI && |
1337 | ss->subclass != US_SC_8070) { | |
a0cb3fc3 | 1338 | printf("Sorry, protocol %d not yet supported.\n", ss->subclass); |
affae2bf WD |
1339 | return 0; |
1340 | } | |
a0cb3fc3 MT |
1341 | if (ss->ep_int) { |
1342 | /* we had found an interrupt endpoint, prepare irq pipe | |
1343 | * set up the IRQ pipe and handler | |
1344 | */ | |
affae2bf WD |
1345 | ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255; |
1346 | ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int); | |
1347 | ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe); | |
a0cb3fc3 | 1348 | dev->irq_handle = usb_stor_irq; |
affae2bf | 1349 | } |
a0cb3fc3 | 1350 | dev->privptr = (void *)ss; |
affae2bf WD |
1351 | return 1; |
1352 | } | |
1353 | ||
a0cb3fc3 MT |
1354 | int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, |
1355 | block_dev_desc_t *dev_desc) | |
affae2bf | 1356 | { |
a0cb3fc3 | 1357 | unsigned char perq, modi; |
f5766139 PS |
1358 | ALLOC_CACHE_ALIGN_BUFFER(unsigned long, cap, 2); |
1359 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, usb_stor_buf, 36); | |
a0cb3fc3 | 1360 | unsigned long *capacity, *blksz; |
9c998aa8 WD |
1361 | ccb *pccb = &usb_ccb; |
1362 | ||
9c998aa8 WD |
1363 | pccb->pdata = usb_stor_buf; |
1364 | ||
1365 | dev_desc->target = dev->devnum; | |
1366 | pccb->lun = dev_desc->lun; | |
a0cb3fc3 | 1367 | USB_STOR_PRINTF(" address %d\n", dev_desc->target); |
affae2bf | 1368 | |
a0cb3fc3 | 1369 | if (usb_inquiry(pccb, ss)) |
affae2bf | 1370 | return -1; |
095b8a37 | 1371 | |
9c998aa8 WD |
1372 | perq = usb_stor_buf[0]; |
1373 | modi = usb_stor_buf[1]; | |
a0cb3fc3 MT |
1374 | |
1375 | if ((perq & 0x1f) == 0x1f) { | |
1376 | /* skip unknown devices */ | |
1377 | return 0; | |
affae2bf | 1378 | } |
a0cb3fc3 MT |
1379 | if ((modi&0x80) == 0x80) { |
1380 | /* drive is removable */ | |
9c998aa8 | 1381 | dev_desc->removable = 1; |
affae2bf | 1382 | } |
f5766139 PS |
1383 | memcpy(&dev_desc->vendor[0], (const void *) &usb_stor_buf[8], 8); |
1384 | memcpy(&dev_desc->product[0], (const void *) &usb_stor_buf[16], 16); | |
1385 | memcpy(&dev_desc->revision[0], (const void *) &usb_stor_buf[32], 4); | |
9c998aa8 WD |
1386 | dev_desc->vendor[8] = 0; |
1387 | dev_desc->product[16] = 0; | |
1388 | dev_desc->revision[4] = 0; | |
ddde6b7c | 1389 | #ifdef CONFIG_USB_BIN_FIXUP |
a0cb3fc3 MT |
1390 | usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, |
1391 | (uchar *)dev_desc->product); | |
ddde6b7c | 1392 | #endif /* CONFIG_USB_BIN_FIXUP */ |
a0cb3fc3 MT |
1393 | USB_STOR_PRINTF("ISO Vers %X, Response Data %X\n", usb_stor_buf[2], |
1394 | usb_stor_buf[3]); | |
1395 | if (usb_test_unit_ready(pccb, ss)) { | |
1396 | printf("Device NOT ready\n" | |
1397 | " Request Sense returned %02X %02X %02X\n", | |
1398 | pccb->sense_buf[2], pccb->sense_buf[12], | |
1399 | pccb->sense_buf[13]); | |
1400 | if (dev_desc->removable == 1) { | |
9c998aa8 | 1401 | dev_desc->type = perq; |
affae2bf WD |
1402 | return 1; |
1403 | } | |
a0cb3fc3 | 1404 | return 0; |
affae2bf | 1405 | } |
9c998aa8 | 1406 | pccb->pdata = (unsigned char *)&cap[0]; |
a0cb3fc3 MT |
1407 | memset(pccb->pdata, 0, 8); |
1408 | if (usb_read_capacity(pccb, ss) != 0) { | |
affae2bf | 1409 | printf("READ_CAP ERROR\n"); |
9c998aa8 WD |
1410 | cap[0] = 2880; |
1411 | cap[1] = 0x200; | |
affae2bf | 1412 | } |
3e8581bb | 1413 | ss->flags &= ~USB_READY; |
a0cb3fc3 MT |
1414 | USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n", cap[0], |
1415 | cap[1]); | |
affae2bf | 1416 | #if 0 |
a0cb3fc3 MT |
1417 | if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ |
1418 | cap[0] >>= 16; | |
affae2bf | 1419 | #endif |
c918261c CE |
1420 | cap[0] = cpu_to_be32(cap[0]); |
1421 | cap[1] = cpu_to_be32(cap[1]); | |
1422 | ||
149dded2 | 1423 | /* this assumes bigendian! */ |
9c998aa8 WD |
1424 | cap[0] += 1; |
1425 | capacity = &cap[0]; | |
1426 | blksz = &cap[1]; | |
a0cb3fc3 MT |
1427 | USB_STOR_PRINTF("Capacity = 0x%lx, blocksz = 0x%lx\n", |
1428 | *capacity, *blksz); | |
9c998aa8 WD |
1429 | dev_desc->lba = *capacity; |
1430 | dev_desc->blksz = *blksz; | |
1431 | dev_desc->type = perq; | |
a0cb3fc3 MT |
1432 | USB_STOR_PRINTF(" address %d\n", dev_desc->target); |
1433 | USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type); | |
affae2bf WD |
1434 | |
1435 | init_part(dev_desc); | |
1436 | ||
a0cb3fc3 | 1437 | USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type); |
affae2bf WD |
1438 | return 1; |
1439 | } |