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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 | |
acf277af SG |
12 | * Driver model conversion: |
13 | * (C) Copyright 2015 Google, Inc | |
affae2bf | 14 | * |
149dded2 | 15 | * For BBB support (C) Copyright 2003 |
792a09eb | 16 | * Gary Jennejohn, DENX Software Engineering <garyj@denx.de> |
149dded2 | 17 | * |
460c322f | 18 | * BBB support based on /sys/dev/usb/umass.c from |
149dded2 | 19 | * FreeBSD. |
affae2bf | 20 | * |
1a459660 | 21 | * SPDX-License-Identifier: GPL-2.0+ |
affae2bf WD |
22 | */ |
23 | ||
24 | /* Note: | |
25 | * Currently only the CBI transport protocoll has been implemented, and it | |
26 | * is only tested with a TEAC USB Floppy. Other Massstorages with CBI or CB | |
27 | * transport protocoll may work as well. | |
28 | */ | |
149dded2 WD |
29 | /* |
30 | * New Note: | |
31 | * Support for USB Mass Storage Devices (BBB) has been added. It has | |
32 | * only been tested with USB memory sticks. | |
149dded2 | 33 | */ |
affae2bf WD |
34 | |
35 | ||
affae2bf WD |
36 | #include <common.h> |
37 | #include <command.h> | |
acf277af | 38 | #include <dm.h> |
91557579 | 39 | #include <errno.h> |
4fd074de | 40 | #include <inttypes.h> |
05108132 | 41 | #include <mapmem.h> |
cf92e05c | 42 | #include <memalign.h> |
c918261c | 43 | #include <asm/byteorder.h> |
affae2bf | 44 | #include <asm/processor.h> |
acf277af | 45 | #include <dm/device-internal.h> |
07b2b78c | 46 | #include <dm/lists.h> |
affae2bf | 47 | |
735dd97b | 48 | #include <part.h> |
affae2bf WD |
49 | #include <usb.h> |
50 | ||
80885a9d WD |
51 | #undef BBB_COMDAT_TRACE |
52 | #undef BBB_XPORT_TRACE | |
affae2bf | 53 | |
affae2bf WD |
54 | #include <scsi.h> |
55 | /* direction table -- this indicates the direction of the data | |
56 | * transfer for each command code -- a 1 indicates input | |
57 | */ | |
2ff12285 | 58 | static const unsigned char us_direction[256/8] = { |
affae2bf WD |
59 | 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77, |
60 | 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, | |
61 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, | |
62 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
63 | }; | |
64 | #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1) | |
65 | ||
b9560ad6 | 66 | static struct scsi_cmd usb_ccb __aligned(ARCH_DMA_MINALIGN); |
a0cb3fc3 | 67 | static __u32 CBWTag; |
149dded2 | 68 | |
a0cb3fc3 | 69 | static int usb_max_devs; /* number of highest available usb device */ |
affae2bf | 70 | |
07b2b78c | 71 | #ifndef CONFIG_BLK |
4101f687 | 72 | static struct blk_desc usb_dev_desc[USB_MAX_STOR_DEV]; |
07b2b78c | 73 | #endif |
affae2bf WD |
74 | |
75 | struct us_data; | |
b9560ad6 | 76 | typedef int (*trans_cmnd)(struct scsi_cmd *cb, struct us_data *data); |
a0cb3fc3 | 77 | typedef int (*trans_reset)(struct us_data *data); |
affae2bf WD |
78 | |
79 | struct us_data { | |
a0cb3fc3 MT |
80 | struct usb_device *pusb_dev; /* this usb_device */ |
81 | ||
82 | unsigned int flags; /* from filter initially */ | |
3e8581bb | 83 | # define USB_READY (1 << 0) |
a0cb3fc3 MT |
84 | unsigned char ifnum; /* interface number */ |
85 | unsigned char ep_in; /* in endpoint */ | |
86 | unsigned char ep_out; /* out ....... */ | |
87 | unsigned char ep_int; /* interrupt . */ | |
88 | unsigned char subclass; /* as in overview */ | |
89 | unsigned char protocol; /* .............. */ | |
90 | unsigned char attention_done; /* force attn on first cmd */ | |
91 | unsigned short ip_data; /* interrupt data */ | |
92 | int action; /* what to do */ | |
93 | int ip_wanted; /* needed */ | |
94 | int *irq_handle; /* for USB int requests */ | |
95 | unsigned int irqpipe; /* pipe for release_irq */ | |
96 | unsigned char irqmaxp; /* max packed for irq Pipe */ | |
97 | unsigned char irqinterval; /* Intervall for IRQ Pipe */ | |
b9560ad6 | 98 | struct scsi_cmd *srb; /* current srb */ |
a0cb3fc3 MT |
99 | trans_reset transport_reset; /* reset routine */ |
100 | trans_cmnd transport; /* transport routine */ | |
affae2bf WD |
101 | }; |
102 | ||
8850c5d5 | 103 | #ifdef CONFIG_USB_EHCI_HCD |
1b4bd0e6 | 104 | /* |
4bee5c83 BT |
105 | * The U-Boot EHCI driver can handle any transfer length as long as there is |
106 | * enough free heap space left, but the SCSI READ(10) and WRITE(10) commands are | |
107 | * limited to 65535 blocks. | |
1b4bd0e6 | 108 | */ |
4bee5c83 | 109 | #define USB_MAX_XFER_BLK 65535 |
cffcc503 | 110 | #else |
4bee5c83 | 111 | #define USB_MAX_XFER_BLK 20 |
cffcc503 | 112 | #endif |
1b4bd0e6 | 113 | |
07b2b78c | 114 | #ifndef CONFIG_BLK |
affae2bf | 115 | static struct us_data usb_stor[USB_MAX_STOR_DEV]; |
07b2b78c | 116 | #endif |
affae2bf | 117 | |
80885a9d | 118 | #define USB_STOR_TRANSPORT_GOOD 0 |
affae2bf WD |
119 | #define USB_STOR_TRANSPORT_FAILED -1 |
120 | #define USB_STOR_TRANSPORT_ERROR -2 | |
121 | ||
a0cb3fc3 | 122 | int usb_stor_get_info(struct usb_device *dev, struct us_data *us, |
4101f687 | 123 | struct blk_desc *dev_desc); |
a0cb3fc3 MT |
124 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
125 | struct us_data *ss); | |
07b2b78c SG |
126 | #ifdef CONFIG_BLK |
127 | static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr, | |
128 | lbaint_t blkcnt, void *buffer); | |
129 | static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr, | |
130 | lbaint_t blkcnt, const void *buffer); | |
131 | #else | |
4101f687 | 132 | static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 133 | lbaint_t blkcnt, void *buffer); |
4101f687 | 134 | static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 135 | lbaint_t blkcnt, const void *buffer); |
07b2b78c | 136 | #endif |
affae2bf WD |
137 | void uhci_show_temp_int_td(void); |
138 | ||
199adb60 | 139 | static void usb_show_progress(void) |
affae2bf | 140 | { |
226fa9bb | 141 | debug("."); |
affae2bf WD |
142 | } |
143 | ||
a0cb3fc3 | 144 | /******************************************************************************* |
9c998aa8 WD |
145 | * show info on storage devices; 'usb start/init' must be invoked earlier |
146 | * as we only retrieve structures populated during devices initialization | |
147 | */ | |
f6b44e0e | 148 | int usb_stor_info(void) |
9c998aa8 | 149 | { |
9807c3b7 | 150 | int count = 0; |
07b2b78c SG |
151 | #ifdef CONFIG_BLK |
152 | struct udevice *dev; | |
153 | ||
154 | for (blk_first_device(IF_TYPE_USB, &dev); | |
155 | dev; | |
156 | blk_next_device(&dev)) { | |
157 | struct blk_desc *desc = dev_get_uclass_platdata(dev); | |
158 | ||
159 | printf(" Device %d: ", desc->devnum); | |
160 | dev_print(desc); | |
161 | count++; | |
162 | } | |
163 | #else | |
9c998aa8 WD |
164 | int i; |
165 | ||
f6b44e0e | 166 | if (usb_max_devs > 0) { |
9c998aa8 | 167 | for (i = 0; i < usb_max_devs; i++) { |
a0cb3fc3 | 168 | printf(" Device %d: ", i); |
9c998aa8 WD |
169 | dev_print(&usb_dev_desc[i]); |
170 | } | |
b9e749e9 | 171 | return 0; |
f6b44e0e | 172 | } |
07b2b78c | 173 | #endif |
9807c3b7 SG |
174 | if (!count) { |
175 | printf("No storage devices, perhaps not 'usb start'ed..?\n"); | |
176 | return 1; | |
177 | } | |
178 | ||
b94fc851 | 179 | return 0; |
9c998aa8 WD |
180 | } |
181 | ||
99e9ed1f LC |
182 | static unsigned int usb_get_max_lun(struct us_data *us) |
183 | { | |
184 | int len; | |
f5766139 | 185 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1); |
99e9ed1f LC |
186 | len = usb_control_msg(us->pusb_dev, |
187 | usb_rcvctrlpipe(us->pusb_dev, 0), | |
188 | US_BBB_GET_MAX_LUN, | |
189 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
190 | 0, us->ifnum, | |
f5766139 | 191 | result, sizeof(char), |
99e9ed1f | 192 | USB_CNTL_TIMEOUT * 5); |
ceb4972a | 193 | debug("Get Max LUN -> len = %i, result = %i\n", len, (int) *result); |
f5766139 | 194 | return (len > 0) ? *result : 0; |
99e9ed1f LC |
195 | } |
196 | ||
9807c3b7 | 197 | static int usb_stor_probe_device(struct usb_device *udev) |
91557579 | 198 | { |
9807c3b7 | 199 | int lun, max_lun; |
07b2b78c SG |
200 | |
201 | #ifdef CONFIG_BLK | |
202 | struct us_data *data; | |
07b2b78c SG |
203 | int ret; |
204 | #else | |
9807c3b7 SG |
205 | int start; |
206 | ||
207 | if (udev == NULL) | |
91557579 | 208 | return -ENOENT; /* no more devices available */ |
07b2b78c SG |
209 | #endif |
210 | ||
211 | debug("\n\nProbing for storage\n"); | |
212 | #ifdef CONFIG_BLK | |
213 | /* | |
214 | * We store the us_data in the mass storage device's platdata. It | |
215 | * is shared by all LUNs (block devices) attached to this mass storage | |
216 | * device. | |
217 | */ | |
218 | data = dev_get_platdata(udev->dev); | |
219 | if (!usb_storage_probe(udev, 0, data)) | |
220 | return 0; | |
221 | max_lun = usb_get_max_lun(data); | |
222 | for (lun = 0; lun <= max_lun; lun++) { | |
223 | struct blk_desc *blkdev; | |
224 | struct udevice *dev; | |
9107c973 | 225 | char str[10]; |
07b2b78c | 226 | |
9107c973 SG |
227 | snprintf(str, sizeof(str), "lun%d", lun); |
228 | ret = blk_create_devicef(udev->dev, "usb_storage_blk", str, | |
229 | IF_TYPE_USB, usb_max_devs, 512, 0, | |
230 | &dev); | |
07b2b78c SG |
231 | if (ret) { |
232 | debug("Cannot bind driver\n"); | |
233 | return ret; | |
234 | } | |
235 | ||
236 | blkdev = dev_get_uclass_platdata(dev); | |
237 | blkdev->target = 0xff; | |
238 | blkdev->lun = lun; | |
91557579 | 239 | |
07b2b78c SG |
240 | ret = usb_stor_get_info(udev, data, blkdev); |
241 | if (ret == 1) | |
242 | ret = blk_prepare_device(dev); | |
243 | if (!ret) { | |
244 | usb_max_devs++; | |
245 | debug("%s: Found device %p\n", __func__, udev); | |
246 | } else { | |
247 | debug("usb_stor_get_info: Invalid device\n"); | |
248 | ret = device_unbind(dev); | |
249 | if (ret) | |
250 | return ret; | |
251 | } | |
252 | } | |
253 | #else | |
c89e79d4 SG |
254 | /* We don't have space to even probe if we hit the maximum */ |
255 | if (usb_max_devs == USB_MAX_STOR_DEV) { | |
256 | printf("max USB Storage Device reached: %d stopping\n", | |
257 | usb_max_devs); | |
258 | return -ENOSPC; | |
259 | } | |
260 | ||
9807c3b7 SG |
261 | if (!usb_storage_probe(udev, 0, &usb_stor[usb_max_devs])) |
262 | return 0; | |
263 | ||
264 | /* | |
265 | * OK, it's a storage device. Iterate over its LUNs and populate | |
266 | * usb_dev_desc' | |
267 | */ | |
268 | start = usb_max_devs; | |
269 | ||
270 | max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]); | |
271 | for (lun = 0; lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV; | |
272 | lun++) { | |
273 | struct blk_desc *blkdev; | |
274 | ||
275 | blkdev = &usb_dev_desc[usb_max_devs]; | |
276 | memset(blkdev, '\0', sizeof(struct blk_desc)); | |
277 | blkdev->if_type = IF_TYPE_USB; | |
278 | blkdev->devnum = usb_max_devs; | |
279 | blkdev->part_type = PART_TYPE_UNKNOWN; | |
280 | blkdev->target = 0xff; | |
281 | blkdev->type = DEV_TYPE_UNKNOWN; | |
282 | blkdev->block_read = usb_stor_read; | |
283 | blkdev->block_write = usb_stor_write; | |
284 | blkdev->lun = lun; | |
285 | blkdev->priv = udev; | |
286 | ||
287 | if (usb_stor_get_info(udev, &usb_stor[start], | |
288 | &usb_dev_desc[usb_max_devs]) == 1) { | |
07b2b78c SG |
289 | debug("partype: %d\n", blkdev->part_type); |
290 | part_init(blkdev); | |
291 | debug("partype: %d\n", blkdev->part_type); | |
9807c3b7 SG |
292 | usb_max_devs++; |
293 | debug("%s: Found device %p\n", __func__, udev); | |
91557579 SG |
294 | } |
295 | } | |
07b2b78c | 296 | #endif |
91557579 | 297 | |
91557579 SG |
298 | return 0; |
299 | } | |
300 | ||
301 | void usb_stor_reset(void) | |
302 | { | |
303 | usb_max_devs = 0; | |
304 | } | |
305 | ||
a0cb3fc3 | 306 | /******************************************************************************* |
9c998aa8 | 307 | * scan the usb and reports device info |
affae2bf WD |
308 | * to the user if mode = 1 |
309 | * returns current device or -1 if no | |
310 | */ | |
311 | int usb_stor_scan(int mode) | |
312 | { | |
a0cb3fc3 | 313 | if (mode == 1) |
93c2582f | 314 | printf(" scanning usb for storage devices... "); |
a0cb3fc3 | 315 | |
b984700c MS |
316 | #ifndef CONFIG_DM_USB |
317 | unsigned char i; | |
318 | ||
affae2bf WD |
319 | usb_disable_asynch(1); /* asynch transfer not allowed */ |
320 | ||
91557579 | 321 | usb_stor_reset(); |
a0cb3fc3 | 322 | for (i = 0; i < USB_MAX_DEVICE; i++) { |
91557579 SG |
323 | struct usb_device *dev; |
324 | ||
a0cb3fc3 | 325 | dev = usb_get_dev_index(i); /* get device */ |
ceb4972a | 326 | debug("i=%d\n", i); |
91557579 | 327 | if (usb_stor_probe_device(dev)) |
affae2bf | 328 | break; |
affae2bf | 329 | } /* for */ |
095b8a37 | 330 | |
affae2bf | 331 | usb_disable_asynch(0); /* asynch transfer allowed */ |
b984700c | 332 | #endif |
9c998aa8 | 333 | printf("%d Storage Device(s) found\n", usb_max_devs); |
a0cb3fc3 | 334 | if (usb_max_devs > 0) |
affae2bf | 335 | return 0; |
a0cb3fc3 | 336 | return -1; |
affae2bf WD |
337 | } |
338 | ||
339 | static int usb_stor_irq(struct usb_device *dev) | |
340 | { | |
341 | struct us_data *us; | |
a0cb3fc3 | 342 | us = (struct us_data *)dev->privptr; |
affae2bf | 343 | |
a0cb3fc3 MT |
344 | if (us->ip_wanted) |
345 | us->ip_wanted = 0; | |
affae2bf WD |
346 | return 0; |
347 | } | |
348 | ||
349 | ||
ceb4972a | 350 | #ifdef DEBUG |
affae2bf | 351 | |
b9560ad6 | 352 | static void usb_show_srb(struct scsi_cmd *pccb) |
affae2bf WD |
353 | { |
354 | int i; | |
a0cb3fc3 MT |
355 | printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen); |
356 | for (i = 0; i < 12; i++) | |
357 | printf("%02X ", pccb->cmd[i]); | |
affae2bf WD |
358 | printf("\n"); |
359 | } | |
360 | ||
361 | static void display_int_status(unsigned long tmp) | |
362 | { | |
363 | printf("Status: %s %s %s %s %s %s %s\n", | |
364 | (tmp & USB_ST_ACTIVE) ? "Active" : "", | |
365 | (tmp & USB_ST_STALLED) ? "Stalled" : "", | |
366 | (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "", | |
367 | (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "", | |
368 | (tmp & USB_ST_NAK_REC) ? "NAKed" : "", | |
369 | (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "", | |
370 | (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : ""); | |
371 | } | |
372 | #endif | |
373 | /*********************************************************************** | |
374 | * Data transfer routines | |
375 | ***********************************************************************/ | |
376 | ||
377 | static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) | |
378 | { | |
379 | int max_size; | |
380 | int this_xfer; | |
381 | int result; | |
382 | int partial; | |
383 | int maxtry; | |
384 | int stat; | |
385 | ||
386 | /* determine the maximum packet size for these transfers */ | |
387 | max_size = usb_maxpacket(us->pusb_dev, pipe) * 16; | |
388 | ||
389 | /* while we have data left to transfer */ | |
390 | while (length) { | |
391 | ||
392 | /* calculate how long this will be -- maximum or a remainder */ | |
393 | this_xfer = length > max_size ? max_size : length; | |
394 | length -= this_xfer; | |
395 | ||
396 | /* setup the retry counter */ | |
397 | maxtry = 10; | |
398 | ||
399 | /* set up the transfer loop */ | |
400 | do { | |
401 | /* transfer the data */ | |
05108132 SG |
402 | debug("Bulk xfer 0x%lx(%d) try #%d\n", |
403 | (ulong)map_to_sysmem(buf), this_xfer, | |
404 | 11 - maxtry); | |
affae2bf | 405 | result = usb_bulk_msg(us->pusb_dev, pipe, buf, |
a0cb3fc3 MT |
406 | this_xfer, &partial, |
407 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
408 | debug("bulk_msg returned %d xferred %d/%d\n", |
409 | result, partial, this_xfer); | |
a0cb3fc3 MT |
410 | if (us->pusb_dev->status != 0) { |
411 | /* if we stall, we need to clear it before | |
412 | * we go on | |
413 | */ | |
ceb4972a | 414 | #ifdef DEBUG |
affae2bf WD |
415 | display_int_status(us->pusb_dev->status); |
416 | #endif | |
417 | if (us->pusb_dev->status & USB_ST_STALLED) { | |
ceb4972a VG |
418 | debug("stalled ->clearing endpoint" \ |
419 | "halt for pipe 0x%x\n", pipe); | |
affae2bf WD |
420 | stat = us->pusb_dev->status; |
421 | usb_clear_halt(us->pusb_dev, pipe); | |
a0cb3fc3 MT |
422 | us->pusb_dev->status = stat; |
423 | if (this_xfer == partial) { | |
ceb4972a VG |
424 | debug("bulk transferred" \ |
425 | "with error %lX," \ | |
426 | " but data ok\n", | |
427 | us->pusb_dev->status); | |
affae2bf WD |
428 | return 0; |
429 | } | |
430 | else | |
431 | return result; | |
432 | } | |
433 | if (us->pusb_dev->status & USB_ST_NAK_REC) { | |
ceb4972a | 434 | debug("Device NAKed bulk_msg\n"); |
affae2bf WD |
435 | return result; |
436 | } | |
ceb4972a | 437 | debug("bulk transferred with error"); |
a0cb3fc3 | 438 | if (this_xfer == partial) { |
ceb4972a VG |
439 | debug(" %ld, but data ok\n", |
440 | us->pusb_dev->status); | |
affae2bf WD |
441 | return 0; |
442 | } | |
443 | /* if our try counter reaches 0, bail out */ | |
ceb4972a VG |
444 | debug(" %ld, data %d\n", |
445 | us->pusb_dev->status, partial); | |
affae2bf WD |
446 | if (!maxtry--) |
447 | return result; | |
448 | } | |
449 | /* update to show what data was transferred */ | |
450 | this_xfer -= partial; | |
451 | buf += partial; | |
452 | /* continue until this transfer is done */ | |
a0cb3fc3 | 453 | } while (this_xfer); |
affae2bf WD |
454 | } |
455 | ||
456 | /* if we get here, we're done and successful */ | |
457 | return 0; | |
458 | } | |
459 | ||
149dded2 WD |
460 | static int usb_stor_BBB_reset(struct us_data *us) |
461 | { | |
462 | int result; | |
463 | unsigned int pipe; | |
464 | ||
465 | /* | |
466 | * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) | |
467 | * | |
468 | * For Reset Recovery the host shall issue in the following order: | |
469 | * a) a Bulk-Only Mass Storage Reset | |
470 | * b) a Clear Feature HALT to the Bulk-In endpoint | |
471 | * c) a Clear Feature HALT to the Bulk-Out endpoint | |
472 | * | |
473 | * This is done in 3 steps. | |
474 | * | |
475 | * If the reset doesn't succeed, the device should be port reset. | |
476 | * | |
477 | * This comment stolen from FreeBSD's /sys/dev/usb/umass.c. | |
478 | */ | |
ceb4972a | 479 | debug("BBB_reset\n"); |
a0cb3fc3 MT |
480 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
481 | US_BBB_RESET, | |
482 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
199adb60 | 483 | 0, us->ifnum, NULL, 0, USB_CNTL_TIMEOUT * 5); |
9c998aa8 | 484 | |
a0cb3fc3 | 485 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 486 | debug("RESET:stall\n"); |
149dded2 WD |
487 | return -1; |
488 | } | |
9c998aa8 | 489 | |
149dded2 | 490 | /* long wait for reset */ |
5b84dd67 | 491 | mdelay(150); |
ceb4972a VG |
492 | debug("BBB_reset result %d: status %lX reset\n", |
493 | result, us->pusb_dev->status); | |
149dded2 WD |
494 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
495 | result = usb_clear_halt(us->pusb_dev, pipe); | |
496 | /* long wait for reset */ | |
5b84dd67 | 497 | mdelay(150); |
ceb4972a VG |
498 | debug("BBB_reset result %d: status %lX clearing IN endpoint\n", |
499 | result, us->pusb_dev->status); | |
149dded2 WD |
500 | /* long wait for reset */ |
501 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
502 | result = usb_clear_halt(us->pusb_dev, pipe); | |
5b84dd67 | 503 | mdelay(150); |
ceb4972a VG |
504 | debug("BBB_reset result %d: status %lX clearing OUT endpoint\n", |
505 | result, us->pusb_dev->status); | |
506 | debug("BBB_reset done\n"); | |
149dded2 WD |
507 | return 0; |
508 | } | |
509 | ||
affae2bf WD |
510 | /* FIXME: this reset function doesn't really reset the port, and it |
511 | * should. Actually it should probably do what it's doing here, and | |
512 | * reset the port physically | |
513 | */ | |
514 | static int usb_stor_CB_reset(struct us_data *us) | |
515 | { | |
516 | unsigned char cmd[12]; | |
517 | int result; | |
518 | ||
ceb4972a | 519 | debug("CB_reset\n"); |
a0cb3fc3 | 520 | memset(cmd, 0xff, sizeof(cmd)); |
affae2bf WD |
521 | cmd[0] = SCSI_SEND_DIAG; |
522 | cmd[1] = 4; | |
a0cb3fc3 MT |
523 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
524 | US_CBI_ADSC, | |
525 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
526 | 0, us->ifnum, cmd, sizeof(cmd), | |
527 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
528 | |
529 | /* long wait for reset */ | |
5b84dd67 | 530 | mdelay(1500); |
ceb4972a VG |
531 | debug("CB_reset result %d: status %lX clearing endpoint halt\n", |
532 | result, us->pusb_dev->status); | |
affae2bf WD |
533 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in)); |
534 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); | |
535 | ||
ceb4972a | 536 | debug("CB_reset done\n"); |
affae2bf WD |
537 | return 0; |
538 | } | |
539 | ||
149dded2 WD |
540 | /* |
541 | * Set up the command for a BBB device. Note that the actual SCSI | |
542 | * command is copied into cbw.CBWCDB. | |
543 | */ | |
b9560ad6 | 544 | static int usb_stor_BBB_comdat(struct scsi_cmd *srb, struct us_data *us) |
149dded2 WD |
545 | { |
546 | int result; | |
547 | int actlen; | |
548 | int dir_in; | |
549 | unsigned int pipe; | |
2e17c87e | 550 | ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_cbw, cbw, 1); |
149dded2 WD |
551 | |
552 | dir_in = US_DIRECTION(srb->cmd[0]); | |
553 | ||
554 | #ifdef BBB_COMDAT_TRACE | |
605bd75a | 555 | printf("dir %d lun %d cmdlen %d cmd %p datalen %lu pdata %p\n", |
a0cb3fc3 MT |
556 | dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, |
557 | srb->pdata); | |
149dded2 | 558 | if (srb->cmdlen) { |
a0cb3fc3 | 559 | for (result = 0; result < srb->cmdlen; result++) |
149dded2 WD |
560 | printf("cmd[%d] %#x ", result, srb->cmd[result]); |
561 | printf("\n"); | |
562 | } | |
563 | #endif | |
564 | /* sanity checks */ | |
565 | if (!(srb->cmdlen <= CBWCDBLENGTH)) { | |
ceb4972a | 566 | debug("usb_stor_BBB_comdat:cmdlen too large\n"); |
149dded2 WD |
567 | return -1; |
568 | } | |
569 | ||
570 | /* always OUT to the ep */ | |
571 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
572 | ||
f5766139 PS |
573 | cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE); |
574 | cbw->dCBWTag = cpu_to_le32(CBWTag++); | |
575 | cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen); | |
576 | cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT); | |
577 | cbw->bCBWLUN = srb->lun; | |
578 | cbw->bCDBLength = srb->cmdlen; | |
149dded2 WD |
579 | /* copy the command data into the CBW command data buffer */ |
580 | /* DST SRC LEN!!! */ | |
f6570871 | 581 | |
f5766139 PS |
582 | memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen); |
583 | result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE, | |
a0cb3fc3 | 584 | &actlen, USB_CNTL_TIMEOUT * 5); |
149dded2 | 585 | if (result < 0) |
ceb4972a | 586 | debug("usb_stor_BBB_comdat:usb_bulk_msg error\n"); |
149dded2 WD |
587 | return result; |
588 | } | |
589 | ||
affae2bf WD |
590 | /* FIXME: we also need a CBI_command which sets up the completion |
591 | * interrupt, and waits for it | |
592 | */ | |
b9560ad6 | 593 | static int usb_stor_CB_comdat(struct scsi_cmd *srb, struct us_data *us) |
affae2bf | 594 | { |
77ddac94 | 595 | int result = 0; |
a0cb3fc3 | 596 | int dir_in, retry; |
affae2bf WD |
597 | unsigned int pipe; |
598 | unsigned long status; | |
599 | ||
a0cb3fc3 MT |
600 | retry = 5; |
601 | dir_in = US_DIRECTION(srb->cmd[0]); | |
affae2bf | 602 | |
a0cb3fc3 MT |
603 | if (dir_in) |
604 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); | |
605 | else | |
606 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
607 | ||
608 | while (retry--) { | |
ceb4972a VG |
609 | debug("CBI gets a command: Try %d\n", 5 - retry); |
610 | #ifdef DEBUG | |
affae2bf WD |
611 | usb_show_srb(srb); |
612 | #endif | |
613 | /* let's send the command via the control pipe */ | |
a0cb3fc3 MT |
614 | result = usb_control_msg(us->pusb_dev, |
615 | usb_sndctrlpipe(us->pusb_dev , 0), | |
616 | US_CBI_ADSC, | |
617 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
affae2bf | 618 | 0, us->ifnum, |
a0cb3fc3 MT |
619 | srb->cmd, srb->cmdlen, |
620 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
621 | debug("CB_transport: control msg returned %d, status %lX\n", |
622 | result, us->pusb_dev->status); | |
affae2bf WD |
623 | /* check the return code for the command */ |
624 | if (result < 0) { | |
a0cb3fc3 MT |
625 | if (us->pusb_dev->status & USB_ST_STALLED) { |
626 | status = us->pusb_dev->status; | |
ceb4972a VG |
627 | debug(" stall during command found," \ |
628 | " clear pipe\n"); | |
a0cb3fc3 MT |
629 | usb_clear_halt(us->pusb_dev, |
630 | usb_sndctrlpipe(us->pusb_dev, 0)); | |
631 | us->pusb_dev->status = status; | |
affae2bf | 632 | } |
ceb4972a VG |
633 | debug(" error during command %02X" \ |
634 | " Stat = %lX\n", srb->cmd[0], | |
635 | us->pusb_dev->status); | |
affae2bf WD |
636 | return result; |
637 | } | |
638 | /* transfer the data payload for this command, if one exists*/ | |
639 | ||
ceb4972a VG |
640 | debug("CB_transport: control msg returned %d," \ |
641 | " direction is %s to go 0x%lx\n", result, | |
642 | dir_in ? "IN" : "OUT", srb->datalen); | |
affae2bf | 643 | if (srb->datalen) { |
a0cb3fc3 MT |
644 | result = us_one_transfer(us, pipe, (char *)srb->pdata, |
645 | srb->datalen); | |
ceb4972a VG |
646 | debug("CBI attempted to transfer data," \ |
647 | " result is %d status %lX, len %d\n", | |
648 | result, us->pusb_dev->status, | |
649 | us->pusb_dev->act_len); | |
a0cb3fc3 | 650 | if (!(us->pusb_dev->status & USB_ST_NAK_REC)) |
affae2bf WD |
651 | break; |
652 | } /* if (srb->datalen) */ | |
653 | else | |
654 | break; | |
655 | } | |
656 | /* return result */ | |
657 | ||
658 | return result; | |
659 | } | |
660 | ||
661 | ||
b9560ad6 | 662 | static int usb_stor_CBI_get_status(struct scsi_cmd *srb, struct us_data *us) |
affae2bf WD |
663 | { |
664 | int timeout; | |
665 | ||
80885a9d | 666 | us->ip_wanted = 1; |
a0cb3fc3 | 667 | submit_int_msg(us->pusb_dev, us->irqpipe, |
80885a9d WD |
668 | (void *) &us->ip_data, us->irqmaxp, us->irqinterval); |
669 | timeout = 1000; | |
670 | while (timeout--) { | |
f6570871 | 671 | if (us->ip_wanted == 0) |
affae2bf | 672 | break; |
5b84dd67 | 673 | mdelay(10); |
affae2bf WD |
674 | } |
675 | if (us->ip_wanted) { | |
a0cb3fc3 | 676 | printf(" Did not get interrupt on CBI\n"); |
affae2bf WD |
677 | us->ip_wanted = 0; |
678 | return USB_STOR_TRANSPORT_ERROR; | |
679 | } | |
a6f70a3d | 680 | debug("Got interrupt data 0x%x, transferred %d status 0x%lX\n", |
ceb4972a VG |
681 | us->ip_data, us->pusb_dev->irq_act_len, |
682 | us->pusb_dev->irq_status); | |
affae2bf WD |
683 | /* UFI gives us ASC and ASCQ, like a request sense */ |
684 | if (us->subclass == US_SC_UFI) { | |
685 | if (srb->cmd[0] == SCSI_REQ_SENSE || | |
686 | srb->cmd[0] == SCSI_INQUIRY) | |
687 | return USB_STOR_TRANSPORT_GOOD; /* Good */ | |
80885a9d WD |
688 | else if (us->ip_data) |
689 | return USB_STOR_TRANSPORT_FAILED; | |
affae2bf | 690 | else |
80885a9d | 691 | return USB_STOR_TRANSPORT_GOOD; |
affae2bf WD |
692 | } |
693 | /* otherwise, we interpret the data normally */ | |
694 | switch (us->ip_data) { | |
80885a9d WD |
695 | case 0x0001: |
696 | return USB_STOR_TRANSPORT_GOOD; | |
697 | case 0x0002: | |
698 | return USB_STOR_TRANSPORT_FAILED; | |
699 | default: | |
700 | return USB_STOR_TRANSPORT_ERROR; | |
701 | } /* switch */ | |
affae2bf WD |
702 | return USB_STOR_TRANSPORT_ERROR; |
703 | } | |
704 | ||
705 | #define USB_TRANSPORT_UNKNOWN_RETRY 5 | |
706 | #define USB_TRANSPORT_NOT_READY_RETRY 10 | |
707 | ||
149dded2 | 708 | /* clear a stall on an endpoint - special for BBB devices */ |
199adb60 | 709 | static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) |
149dded2 | 710 | { |
149dded2 | 711 | /* ENDPOINT_HALT = 0, so set value to 0 */ |
8319aeb1 MY |
712 | return usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
713 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, 0, | |
714 | endpt, NULL, 0, USB_CNTL_TIMEOUT * 5); | |
149dded2 WD |
715 | } |
716 | ||
b9560ad6 | 717 | static int usb_stor_BBB_transport(struct scsi_cmd *srb, struct us_data *us) |
149dded2 WD |
718 | { |
719 | int result, retry; | |
720 | int dir_in; | |
721 | int actlen, data_actlen; | |
722 | unsigned int pipe, pipein, pipeout; | |
2e17c87e | 723 | ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_csw, csw, 1); |
149dded2 WD |
724 | #ifdef BBB_XPORT_TRACE |
725 | unsigned char *ptr; | |
726 | int index; | |
727 | #endif | |
728 | ||
729 | dir_in = US_DIRECTION(srb->cmd[0]); | |
730 | ||
731 | /* COMMAND phase */ | |
ceb4972a | 732 | debug("COMMAND phase\n"); |
149dded2 WD |
733 | result = usb_stor_BBB_comdat(srb, us); |
734 | if (result < 0) { | |
ceb4972a VG |
735 | debug("failed to send CBW status %ld\n", |
736 | us->pusb_dev->status); | |
149dded2 WD |
737 | usb_stor_BBB_reset(us); |
738 | return USB_STOR_TRANSPORT_FAILED; | |
739 | } | |
3e8581bb BT |
740 | if (!(us->flags & USB_READY)) |
741 | mdelay(5); | |
149dded2 WD |
742 | pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
743 | pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
744 | /* DATA phase + error handling */ | |
149dded2 WD |
745 | data_actlen = 0; |
746 | /* no data, go immediately to the STATUS phase */ | |
747 | if (srb->datalen == 0) | |
748 | goto st; | |
ceb4972a | 749 | debug("DATA phase\n"); |
149dded2 WD |
750 | if (dir_in) |
751 | pipe = pipein; | |
752 | else | |
753 | pipe = pipeout; | |
f6570871 | 754 | |
a0cb3fc3 MT |
755 | result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, |
756 | &data_actlen, USB_CNTL_TIMEOUT * 5); | |
149dded2 | 757 | /* special handling of STALL in DATA phase */ |
a0cb3fc3 | 758 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 759 | debug("DATA:stall\n"); |
149dded2 | 760 | /* clear the STALL on the endpoint */ |
a0cb3fc3 MT |
761 | result = usb_stor_BBB_clear_endpt_stall(us, |
762 | dir_in ? us->ep_in : us->ep_out); | |
149dded2 WD |
763 | if (result >= 0) |
764 | /* continue on to STATUS phase */ | |
765 | goto st; | |
766 | } | |
767 | if (result < 0) { | |
ceb4972a VG |
768 | debug("usb_bulk_msg error status %ld\n", |
769 | us->pusb_dev->status); | |
149dded2 WD |
770 | usb_stor_BBB_reset(us); |
771 | return USB_STOR_TRANSPORT_FAILED; | |
772 | } | |
773 | #ifdef BBB_XPORT_TRACE | |
774 | for (index = 0; index < data_actlen; index++) | |
775 | printf("pdata[%d] %#x ", index, srb->pdata[index]); | |
776 | printf("\n"); | |
777 | #endif | |
778 | /* STATUS phase + error handling */ | |
a0cb3fc3 | 779 | st: |
149dded2 | 780 | retry = 0; |
a0cb3fc3 | 781 | again: |
ceb4972a | 782 | debug("STATUS phase\n"); |
f5766139 | 783 | result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE, |
9c998aa8 WD |
784 | &actlen, USB_CNTL_TIMEOUT*5); |
785 | ||
149dded2 | 786 | /* special handling of STALL in STATUS phase */ |
a0cb3fc3 MT |
787 | if ((result < 0) && (retry < 1) && |
788 | (us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a | 789 | debug("STATUS:stall\n"); |
149dded2 WD |
790 | /* clear the STALL on the endpoint */ |
791 | result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in); | |
792 | if (result >= 0 && (retry++ < 1)) | |
793 | /* do a retry */ | |
794 | goto again; | |
795 | } | |
796 | if (result < 0) { | |
ceb4972a VG |
797 | debug("usb_bulk_msg error status %ld\n", |
798 | us->pusb_dev->status); | |
149dded2 WD |
799 | usb_stor_BBB_reset(us); |
800 | return USB_STOR_TRANSPORT_FAILED; | |
801 | } | |
802 | #ifdef BBB_XPORT_TRACE | |
f5766139 | 803 | ptr = (unsigned char *)csw; |
149dded2 WD |
804 | for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) |
805 | printf("ptr[%d] %#x ", index, ptr[index]); | |
806 | printf("\n"); | |
807 | #endif | |
808 | /* misuse pipe to get the residue */ | |
f5766139 | 809 | pipe = le32_to_cpu(csw->dCSWDataResidue); |
149dded2 WD |
810 | if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) |
811 | pipe = srb->datalen - data_actlen; | |
f5766139 | 812 | if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) { |
ceb4972a | 813 | debug("!CSWSIGNATURE\n"); |
149dded2 WD |
814 | usb_stor_BBB_reset(us); |
815 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 816 | } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) { |
ceb4972a | 817 | debug("!Tag\n"); |
149dded2 WD |
818 | usb_stor_BBB_reset(us); |
819 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 820 | } else if (csw->bCSWStatus > CSWSTATUS_PHASE) { |
ceb4972a | 821 | debug(">PHASE\n"); |
149dded2 WD |
822 | usb_stor_BBB_reset(us); |
823 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 824 | } else if (csw->bCSWStatus == CSWSTATUS_PHASE) { |
ceb4972a | 825 | debug("=PHASE\n"); |
149dded2 WD |
826 | usb_stor_BBB_reset(us); |
827 | return USB_STOR_TRANSPORT_FAILED; | |
828 | } else if (data_actlen > srb->datalen) { | |
ceb4972a VG |
829 | debug("transferred %dB instead of %ldB\n", |
830 | data_actlen, srb->datalen); | |
149dded2 | 831 | return USB_STOR_TRANSPORT_FAILED; |
f5766139 | 832 | } else if (csw->bCSWStatus == CSWSTATUS_FAILED) { |
ceb4972a | 833 | debug("FAILED\n"); |
149dded2 WD |
834 | return USB_STOR_TRANSPORT_FAILED; |
835 | } | |
836 | ||
837 | return result; | |
838 | } | |
839 | ||
b9560ad6 | 840 | static int usb_stor_CB_transport(struct scsi_cmd *srb, struct us_data *us) |
affae2bf | 841 | { |
a0cb3fc3 | 842 | int result, status; |
b9560ad6 SG |
843 | struct scsi_cmd *psrb; |
844 | struct scsi_cmd reqsrb; | |
a0cb3fc3 | 845 | int retry, notready; |
affae2bf | 846 | |
d0ff51ba | 847 | psrb = &reqsrb; |
a0cb3fc3 MT |
848 | status = USB_STOR_TRANSPORT_GOOD; |
849 | retry = 0; | |
850 | notready = 0; | |
affae2bf WD |
851 | /* issue the command */ |
852 | do_retry: | |
a0cb3fc3 | 853 | result = usb_stor_CB_comdat(srb, us); |
ceb4972a VG |
854 | debug("command / Data returned %d, status %lX\n", |
855 | result, us->pusb_dev->status); | |
affae2bf | 856 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
857 | if (us->protocol == US_PR_CBI) { |
858 | status = usb_stor_CBI_get_status(srb, us); | |
affae2bf | 859 | /* if the status is error, report it */ |
a0cb3fc3 | 860 | if (status == USB_STOR_TRANSPORT_ERROR) { |
ceb4972a | 861 | debug(" USB CBI Command Error\n"); |
affae2bf WD |
862 | return status; |
863 | } | |
a0cb3fc3 MT |
864 | srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); |
865 | srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff); | |
866 | if (!us->ip_data) { | |
867 | /* if the status is good, report it */ | |
868 | if (status == USB_STOR_TRANSPORT_GOOD) { | |
ceb4972a | 869 | debug(" USB CBI Command Good\n"); |
affae2bf WD |
870 | return status; |
871 | } | |
872 | } | |
873 | } | |
874 | /* do we have to issue an auto request? */ | |
875 | /* HERE we have to check the result */ | |
a0cb3fc3 | 876 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 877 | debug("ERROR %lX\n", us->pusb_dev->status); |
affae2bf WD |
878 | us->transport_reset(us); |
879 | return USB_STOR_TRANSPORT_ERROR; | |
880 | } | |
a0cb3fc3 MT |
881 | if ((us->protocol == US_PR_CBI) && |
882 | ((srb->cmd[0] == SCSI_REQ_SENSE) || | |
883 | (srb->cmd[0] == SCSI_INQUIRY))) { | |
884 | /* do not issue an autorequest after request sense */ | |
ceb4972a | 885 | debug("No auto request and good\n"); |
affae2bf WD |
886 | return USB_STOR_TRANSPORT_GOOD; |
887 | } | |
888 | /* issue an request_sense */ | |
a0cb3fc3 MT |
889 | memset(&psrb->cmd[0], 0, 12); |
890 | psrb->cmd[0] = SCSI_REQ_SENSE; | |
891 | psrb->cmd[1] = srb->lun << 5; | |
892 | psrb->cmd[4] = 18; | |
893 | psrb->datalen = 18; | |
d0ff51ba | 894 | psrb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 | 895 | psrb->cmdlen = 12; |
affae2bf | 896 | /* issue the command */ |
a0cb3fc3 | 897 | result = usb_stor_CB_comdat(psrb, us); |
ceb4972a | 898 | debug("auto request returned %d\n", result); |
affae2bf | 899 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
900 | if (us->protocol == US_PR_CBI) |
901 | status = usb_stor_CBI_get_status(psrb, us); | |
902 | ||
903 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a VG |
904 | debug(" AUTO REQUEST ERROR %ld\n", |
905 | us->pusb_dev->status); | |
affae2bf WD |
906 | return USB_STOR_TRANSPORT_ERROR; |
907 | } | |
ceb4972a VG |
908 | debug("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", |
909 | srb->sense_buf[0], srb->sense_buf[2], | |
910 | srb->sense_buf[12], srb->sense_buf[13]); | |
affae2bf | 911 | /* Check the auto request result */ |
a0cb3fc3 MT |
912 | if ((srb->sense_buf[2] == 0) && |
913 | (srb->sense_buf[12] == 0) && | |
914 | (srb->sense_buf[13] == 0)) { | |
915 | /* ok, no sense */ | |
affae2bf | 916 | return USB_STOR_TRANSPORT_GOOD; |
a0cb3fc3 MT |
917 | } |
918 | ||
affae2bf | 919 | /* Check the auto request result */ |
a0cb3fc3 MT |
920 | switch (srb->sense_buf[2]) { |
921 | case 0x01: | |
922 | /* Recovered Error */ | |
149dded2 | 923 | return USB_STOR_TRANSPORT_GOOD; |
80885a9d | 924 | break; |
a0cb3fc3 MT |
925 | case 0x02: |
926 | /* Not Ready */ | |
927 | if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) { | |
928 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
929 | " 0x%02X (NOT READY)\n", srb->cmd[0], | |
930 | srb->sense_buf[0], srb->sense_buf[2], | |
931 | srb->sense_buf[12], srb->sense_buf[13]); | |
149dded2 WD |
932 | return USB_STOR_TRANSPORT_FAILED; |
933 | } else { | |
5b84dd67 | 934 | mdelay(100); |
149dded2 WD |
935 | goto do_retry; |
936 | } | |
937 | break; | |
938 | default: | |
a0cb3fc3 MT |
939 | if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { |
940 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
941 | " 0x%02X\n", srb->cmd[0], srb->sense_buf[0], | |
942 | srb->sense_buf[2], srb->sense_buf[12], | |
943 | srb->sense_buf[13]); | |
149dded2 | 944 | return USB_STOR_TRANSPORT_FAILED; |
a0cb3fc3 | 945 | } else |
149dded2 | 946 | goto do_retry; |
149dded2 | 947 | break; |
affae2bf WD |
948 | } |
949 | return USB_STOR_TRANSPORT_FAILED; | |
950 | } | |
951 | ||
952 | ||
b9560ad6 | 953 | static int usb_inquiry(struct scsi_cmd *srb, struct us_data *ss) |
affae2bf | 954 | { |
a0cb3fc3 MT |
955 | int retry, i; |
956 | retry = 5; | |
affae2bf | 957 | do { |
a0cb3fc3 MT |
958 | memset(&srb->cmd[0], 0, 12); |
959 | srb->cmd[0] = SCSI_INQUIRY; | |
99e9ed1f | 960 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
961 | srb->cmd[4] = 36; |
962 | srb->datalen = 36; | |
963 | srb->cmdlen = 12; | |
964 | i = ss->transport(srb, ss); | |
ceb4972a | 965 | debug("inquiry returns %d\n", i); |
a0cb3fc3 | 966 | if (i == 0) |
affae2bf | 967 | break; |
fac71cc4 | 968 | } while (--retry); |
149dded2 | 969 | |
a0cb3fc3 | 970 | if (!retry) { |
affae2bf WD |
971 | printf("error in inquiry\n"); |
972 | return -1; | |
973 | } | |
974 | return 0; | |
975 | } | |
976 | ||
b9560ad6 | 977 | static int usb_request_sense(struct scsi_cmd *srb, struct us_data *ss) |
affae2bf WD |
978 | { |
979 | char *ptr; | |
80885a9d | 980 | |
a0cb3fc3 MT |
981 | ptr = (char *)srb->pdata; |
982 | memset(&srb->cmd[0], 0, 12); | |
983 | srb->cmd[0] = SCSI_REQ_SENSE; | |
99e9ed1f | 984 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
985 | srb->cmd[4] = 18; |
986 | srb->datalen = 18; | |
d0ff51ba | 987 | srb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 MT |
988 | srb->cmdlen = 12; |
989 | ss->transport(srb, ss); | |
ceb4972a VG |
990 | debug("Request Sense returned %02X %02X %02X\n", |
991 | srb->sense_buf[2], srb->sense_buf[12], | |
992 | srb->sense_buf[13]); | |
a0cb3fc3 | 993 | srb->pdata = (uchar *)ptr; |
affae2bf WD |
994 | return 0; |
995 | } | |
996 | ||
b9560ad6 | 997 | static int usb_test_unit_ready(struct scsi_cmd *srb, struct us_data *ss) |
affae2bf | 998 | { |
9c998aa8 | 999 | int retries = 10; |
149dded2 | 1000 | |
affae2bf | 1001 | do { |
a0cb3fc3 MT |
1002 | memset(&srb->cmd[0], 0, 12); |
1003 | srb->cmd[0] = SCSI_TST_U_RDY; | |
99e9ed1f | 1004 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1005 | srb->datalen = 0; |
1006 | srb->cmdlen = 12; | |
3e8581bb BT |
1007 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) { |
1008 | ss->flags |= USB_READY; | |
affae2bf | 1009 | return 0; |
3e8581bb | 1010 | } |
a0cb3fc3 | 1011 | usb_request_sense(srb, ss); |
8b57e2f0 VP |
1012 | /* |
1013 | * Check the Key Code Qualifier, if it matches | |
1014 | * "Not Ready - medium not present" | |
1015 | * (the sense Key equals 0x2 and the ASC is 0x3a) | |
1016 | * return immediately as the medium being absent won't change | |
1017 | * unless there is a user action. | |
1018 | */ | |
1019 | if ((srb->sense_buf[2] == 0x02) && | |
1020 | (srb->sense_buf[12] == 0x3a)) | |
1021 | return -1; | |
5b84dd67 | 1022 | mdelay(100); |
a0cb3fc3 | 1023 | } while (retries--); |
149dded2 | 1024 | |
affae2bf WD |
1025 | return -1; |
1026 | } | |
1027 | ||
b9560ad6 | 1028 | static int usb_read_capacity(struct scsi_cmd *srb, struct us_data *ss) |
affae2bf WD |
1029 | { |
1030 | int retry; | |
a0cb3fc3 MT |
1031 | /* XXX retries */ |
1032 | retry = 3; | |
affae2bf | 1033 | do { |
a0cb3fc3 MT |
1034 | memset(&srb->cmd[0], 0, 12); |
1035 | srb->cmd[0] = SCSI_RD_CAPAC; | |
99e9ed1f | 1036 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1037 | srb->datalen = 8; |
1038 | srb->cmdlen = 12; | |
1039 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) | |
affae2bf | 1040 | return 0; |
a0cb3fc3 | 1041 | } while (retry--); |
149dded2 | 1042 | |
affae2bf WD |
1043 | return -1; |
1044 | } | |
1045 | ||
b9560ad6 SG |
1046 | static int usb_read_10(struct scsi_cmd *srb, struct us_data *ss, |
1047 | unsigned long start, unsigned short blocks) | |
affae2bf | 1048 | { |
a0cb3fc3 MT |
1049 | memset(&srb->cmd[0], 0, 12); |
1050 | srb->cmd[0] = SCSI_READ10; | |
99e9ed1f | 1051 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1052 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1053 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1054 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1055 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1056 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1057 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1058 | srb->cmdlen = 12; | |
ceb4972a | 1059 | debug("read10: start %lx blocks %x\n", start, blocks); |
a0cb3fc3 | 1060 | return ss->transport(srb, ss); |
affae2bf WD |
1061 | } |
1062 | ||
b9560ad6 SG |
1063 | static int usb_write_10(struct scsi_cmd *srb, struct us_data *ss, |
1064 | unsigned long start, unsigned short blocks) | |
127e1084 MJ |
1065 | { |
1066 | memset(&srb->cmd[0], 0, 12); | |
1067 | srb->cmd[0] = SCSI_WRITE10; | |
99e9ed1f | 1068 | srb->cmd[1] = srb->lun << 5; |
127e1084 MJ |
1069 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1070 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1071 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1072 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1073 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1074 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1075 | srb->cmdlen = 12; | |
ceb4972a | 1076 | debug("write10: start %lx blocks %x\n", start, blocks); |
127e1084 MJ |
1077 | return ss->transport(srb, ss); |
1078 | } | |
1079 | ||
affae2bf | 1080 | |
ddde6b7c BS |
1081 | #ifdef CONFIG_USB_BIN_FIXUP |
1082 | /* | |
1083 | * Some USB storage devices queried for SCSI identification data respond with | |
1084 | * binary strings, which if output to the console freeze the terminal. The | |
1085 | * workaround is to modify the vendor and product strings read from such | |
1086 | * device with proper values (as reported by 'usb info'). | |
1087 | * | |
1088 | * Vendor and product length limits are taken from the definition of | |
4101f687 | 1089 | * struct blk_desc in include/part.h. |
ddde6b7c BS |
1090 | */ |
1091 | static void usb_bin_fixup(struct usb_device_descriptor descriptor, | |
1092 | unsigned char vendor[], | |
1093 | unsigned char product[]) { | |
1094 | const unsigned char max_vendor_len = 40; | |
1095 | const unsigned char max_product_len = 20; | |
1096 | if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) { | |
a0cb3fc3 MT |
1097 | strncpy((char *)vendor, "SMSC", max_vendor_len); |
1098 | strncpy((char *)product, "Flash Media Cntrller", | |
1099 | max_product_len); | |
ddde6b7c BS |
1100 | } |
1101 | } | |
1102 | #endif /* CONFIG_USB_BIN_FIXUP */ | |
1103 | ||
07b2b78c SG |
1104 | #ifdef CONFIG_BLK |
1105 | static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr, | |
1106 | lbaint_t blkcnt, void *buffer) | |
1107 | #else | |
4101f687 | 1108 | static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 1109 | lbaint_t blkcnt, void *buffer) |
07b2b78c | 1110 | #endif |
affae2bf | 1111 | { |
e81e79ed GB |
1112 | lbaint_t start, blks; |
1113 | uintptr_t buf_addr; | |
affae2bf | 1114 | unsigned short smallblks; |
9807c3b7 | 1115 | struct usb_device *udev; |
5dd95cf9 | 1116 | struct us_data *ss; |
84073b6f | 1117 | int retry; |
b9560ad6 | 1118 | struct scsi_cmd *srb = &usb_ccb; |
07b2b78c SG |
1119 | #ifdef CONFIG_BLK |
1120 | struct blk_desc *block_dev; | |
1121 | #endif | |
f8d813e3 WD |
1122 | |
1123 | if (blkcnt == 0) | |
1124 | return 0; | |
a0cb3fc3 | 1125 | /* Setup device */ |
07b2b78c SG |
1126 | #ifdef CONFIG_BLK |
1127 | block_dev = dev_get_uclass_platdata(dev); | |
1128 | udev = dev_get_parent_priv(dev_get_parent(dev)); | |
1129 | debug("\nusb_read: udev %d\n", block_dev->devnum); | |
1130 | #else | |
9807c3b7 SG |
1131 | debug("\nusb_read: udev %d\n", block_dev->devnum); |
1132 | udev = usb_dev_desc[block_dev->devnum].priv; | |
1133 | if (!udev) { | |
84073b6f SG |
1134 | debug("%s: No device\n", __func__); |
1135 | return 0; | |
affae2bf | 1136 | } |
07b2b78c | 1137 | #endif |
9807c3b7 | 1138 | ss = (struct us_data *)udev->privptr; |
affae2bf WD |
1139 | |
1140 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
9807c3b7 | 1141 | srb->lun = block_dev->lun; |
f6570871 | 1142 | buf_addr = (uintptr_t)buffer; |
a0cb3fc3 MT |
1143 | start = blknr; |
1144 | blks = blkcnt; | |
a0cb3fc3 | 1145 | |
9807c3b7 SG |
1146 | debug("\nusb_read: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" |
1147 | PRIxPTR "\n", block_dev->devnum, start, blks, buf_addr); | |
a0cb3fc3 | 1148 | |
affae2bf | 1149 | do { |
a0cb3fc3 MT |
1150 | /* XXX need some comment here */ |
1151 | retry = 2; | |
1152 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1153 | if (blks > USB_MAX_XFER_BLK) |
1154 | smallblks = USB_MAX_XFER_BLK; | |
a0cb3fc3 MT |
1155 | else |
1156 | smallblks = (unsigned short) blks; | |
affae2bf | 1157 | retry_it: |
4bee5c83 | 1158 | if (smallblks == USB_MAX_XFER_BLK) |
affae2bf | 1159 | usb_show_progress(); |
9807c3b7 | 1160 | srb->datalen = block_dev->blksz * smallblks; |
a0cb3fc3 | 1161 | srb->pdata = (unsigned char *)buf_addr; |
5dd95cf9 | 1162 | if (usb_read_10(srb, ss, start, smallblks)) { |
ceb4972a | 1163 | debug("Read ERROR\n"); |
5dd95cf9 | 1164 | usb_request_sense(srb, ss); |
a0cb3fc3 | 1165 | if (retry--) |
affae2bf | 1166 | goto retry_it; |
a0cb3fc3 | 1167 | blkcnt -= blks; |
affae2bf WD |
1168 | break; |
1169 | } | |
a0cb3fc3 MT |
1170 | start += smallblks; |
1171 | blks -= smallblks; | |
1172 | buf_addr += srb->datalen; | |
1173 | } while (blks != 0); | |
3e8581bb | 1174 | ss->flags &= ~USB_READY; |
a0cb3fc3 | 1175 | |
ceb4972a | 1176 | debug("usb_read: end startblk " LBAF |
4fd074de | 1177 | ", blccnt %x buffer %" PRIxPTR "\n", |
ceb4972a | 1178 | start, smallblks, buf_addr); |
a0cb3fc3 | 1179 | |
affae2bf | 1180 | usb_disable_asynch(0); /* asynch transfer allowed */ |
4bee5c83 | 1181 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1182 | debug("\n"); |
a0cb3fc3 | 1183 | return blkcnt; |
affae2bf WD |
1184 | } |
1185 | ||
07b2b78c SG |
1186 | #ifdef CONFIG_BLK |
1187 | static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr, | |
1188 | lbaint_t blkcnt, const void *buffer) | |
1189 | #else | |
4101f687 | 1190 | static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 1191 | lbaint_t blkcnt, const void *buffer) |
07b2b78c | 1192 | #endif |
127e1084 | 1193 | { |
e81e79ed GB |
1194 | lbaint_t start, blks; |
1195 | uintptr_t buf_addr; | |
127e1084 | 1196 | unsigned short smallblks; |
9807c3b7 | 1197 | struct usb_device *udev; |
5dd95cf9 | 1198 | struct us_data *ss; |
84073b6f | 1199 | int retry; |
b9560ad6 | 1200 | struct scsi_cmd *srb = &usb_ccb; |
07b2b78c SG |
1201 | #ifdef CONFIG_BLK |
1202 | struct blk_desc *block_dev; | |
1203 | #endif | |
127e1084 MJ |
1204 | |
1205 | if (blkcnt == 0) | |
1206 | return 0; | |
1207 | ||
127e1084 | 1208 | /* Setup device */ |
07b2b78c SG |
1209 | #ifdef CONFIG_BLK |
1210 | block_dev = dev_get_uclass_platdata(dev); | |
1211 | udev = dev_get_parent_priv(dev_get_parent(dev)); | |
1212 | debug("\nusb_read: udev %d\n", block_dev->devnum); | |
1213 | #else | |
9807c3b7 SG |
1214 | debug("\nusb_read: udev %d\n", block_dev->devnum); |
1215 | udev = usb_dev_desc[block_dev->devnum].priv; | |
1216 | if (!udev) { | |
1217 | debug("%s: No device\n", __func__); | |
84073b6f | 1218 | return 0; |
9807c3b7 | 1219 | } |
07b2b78c | 1220 | #endif |
9807c3b7 | 1221 | ss = (struct us_data *)udev->privptr; |
127e1084 MJ |
1222 | |
1223 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1224 | ||
9807c3b7 | 1225 | srb->lun = block_dev->lun; |
f6570871 | 1226 | buf_addr = (uintptr_t)buffer; |
127e1084 MJ |
1227 | start = blknr; |
1228 | blks = blkcnt; | |
127e1084 | 1229 | |
9807c3b7 SG |
1230 | debug("\nusb_write: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" |
1231 | PRIxPTR "\n", block_dev->devnum, start, blks, buf_addr); | |
127e1084 MJ |
1232 | |
1233 | do { | |
1234 | /* If write fails retry for max retry count else | |
1235 | * return with number of blocks written successfully. | |
1236 | */ | |
1237 | retry = 2; | |
1238 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1239 | if (blks > USB_MAX_XFER_BLK) |
1240 | smallblks = USB_MAX_XFER_BLK; | |
127e1084 MJ |
1241 | else |
1242 | smallblks = (unsigned short) blks; | |
1243 | retry_it: | |
4bee5c83 | 1244 | if (smallblks == USB_MAX_XFER_BLK) |
127e1084 | 1245 | usb_show_progress(); |
9807c3b7 | 1246 | srb->datalen = block_dev->blksz * smallblks; |
127e1084 | 1247 | srb->pdata = (unsigned char *)buf_addr; |
5dd95cf9 | 1248 | if (usb_write_10(srb, ss, start, smallblks)) { |
ceb4972a | 1249 | debug("Write ERROR\n"); |
5dd95cf9 | 1250 | usb_request_sense(srb, ss); |
127e1084 MJ |
1251 | if (retry--) |
1252 | goto retry_it; | |
1253 | blkcnt -= blks; | |
1254 | break; | |
1255 | } | |
1256 | start += smallblks; | |
1257 | blks -= smallblks; | |
1258 | buf_addr += srb->datalen; | |
1259 | } while (blks != 0); | |
3e8581bb | 1260 | ss->flags &= ~USB_READY; |
127e1084 | 1261 | |
4fd074de SG |
1262 | debug("usb_write: end startblk " LBAF ", blccnt %x buffer %" |
1263 | PRIxPTR "\n", start, smallblks, buf_addr); | |
127e1084 MJ |
1264 | |
1265 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
4bee5c83 | 1266 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1267 | debug("\n"); |
127e1084 MJ |
1268 | return blkcnt; |
1269 | ||
1270 | } | |
affae2bf WD |
1271 | |
1272 | /* Probe to see if a new device is actually a Storage device */ | |
a0cb3fc3 MT |
1273 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
1274 | struct us_data *ss) | |
affae2bf | 1275 | { |
8f8bd565 | 1276 | struct usb_interface *iface; |
affae2bf | 1277 | int i; |
605bd75a | 1278 | struct usb_endpoint_descriptor *ep_desc; |
affae2bf WD |
1279 | unsigned int flags = 0; |
1280 | ||
affae2bf WD |
1281 | /* let's examine the device now */ |
1282 | iface = &dev->config.if_desc[ifnum]; | |
1283 | ||
affae2bf | 1284 | if (dev->descriptor.bDeviceClass != 0 || |
8f8bd565 TR |
1285 | iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE || |
1286 | iface->desc.bInterfaceSubClass < US_SC_MIN || | |
1287 | iface->desc.bInterfaceSubClass > US_SC_MAX) { | |
1d5827a1 | 1288 | debug("Not mass storage\n"); |
affae2bf WD |
1289 | /* if it's not a mass storage, we go no further */ |
1290 | return 0; | |
1291 | } | |
1292 | ||
9c998aa8 WD |
1293 | memset(ss, 0, sizeof(struct us_data)); |
1294 | ||
affae2bf | 1295 | /* At this point, we know we've got a live one */ |
ceb4972a | 1296 | debug("\n\nUSB Mass Storage device detected\n"); |
affae2bf WD |
1297 | |
1298 | /* Initialize the us_data structure with some useful info */ | |
1299 | ss->flags = flags; | |
1300 | ss->ifnum = ifnum; | |
1301 | ss->pusb_dev = dev; | |
1302 | ss->attention_done = 0; | |
f5fb78a2 TR |
1303 | ss->subclass = iface->desc.bInterfaceSubClass; |
1304 | ss->protocol = iface->desc.bInterfaceProtocol; | |
affae2bf WD |
1305 | |
1306 | /* set the handler pointers based on the protocol */ | |
ceb4972a | 1307 | debug("Transport: "); |
affae2bf WD |
1308 | switch (ss->protocol) { |
1309 | case US_PR_CB: | |
ceb4972a | 1310 | debug("Control/Bulk\n"); |
affae2bf WD |
1311 | ss->transport = usb_stor_CB_transport; |
1312 | ss->transport_reset = usb_stor_CB_reset; | |
1313 | break; | |
1314 | ||
1315 | case US_PR_CBI: | |
ceb4972a | 1316 | debug("Control/Bulk/Interrupt\n"); |
affae2bf WD |
1317 | ss->transport = usb_stor_CB_transport; |
1318 | ss->transport_reset = usb_stor_CB_reset; | |
1319 | break; | |
149dded2 | 1320 | case US_PR_BULK: |
ceb4972a | 1321 | debug("Bulk/Bulk/Bulk\n"); |
149dded2 WD |
1322 | ss->transport = usb_stor_BBB_transport; |
1323 | ss->transport_reset = usb_stor_BBB_reset; | |
1324 | break; | |
affae2bf | 1325 | default: |
80885a9d | 1326 | printf("USB Storage Transport unknown / not yet implemented\n"); |
affae2bf WD |
1327 | return 0; |
1328 | break; | |
1329 | } | |
1330 | ||
1331 | /* | |
1332 | * We are expecting a minimum of 2 endpoints - in and out (bulk). | |
1333 | * An optional interrupt is OK (necessary for CBI protocol). | |
1334 | * We will ignore any others. | |
1335 | */ | |
8f8bd565 | 1336 | for (i = 0; i < iface->desc.bNumEndpoints; i++) { |
605bd75a | 1337 | ep_desc = &iface->ep_desc[i]; |
affae2bf | 1338 | /* is it an BULK endpoint? */ |
605bd75a | 1339 | if ((ep_desc->bmAttributes & |
a0cb3fc3 | 1340 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { |
605bd75a VG |
1341 | if (ep_desc->bEndpointAddress & USB_DIR_IN) |
1342 | ss->ep_in = ep_desc->bEndpointAddress & | |
1343 | USB_ENDPOINT_NUMBER_MASK; | |
affae2bf | 1344 | else |
a0cb3fc3 | 1345 | ss->ep_out = |
605bd75a | 1346 | ep_desc->bEndpointAddress & |
affae2bf WD |
1347 | USB_ENDPOINT_NUMBER_MASK; |
1348 | } | |
1349 | ||
1350 | /* is it an interrupt endpoint? */ | |
605bd75a VG |
1351 | if ((ep_desc->bmAttributes & |
1352 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { | |
1353 | ss->ep_int = ep_desc->bEndpointAddress & | |
1354 | USB_ENDPOINT_NUMBER_MASK; | |
1355 | ss->irqinterval = ep_desc->bInterval; | |
affae2bf WD |
1356 | } |
1357 | } | |
ceb4972a VG |
1358 | debug("Endpoints In %d Out %d Int %d\n", |
1359 | ss->ep_in, ss->ep_out, ss->ep_int); | |
affae2bf WD |
1360 | |
1361 | /* Do some basic sanity checks, and bail if we find a problem */ | |
8f8bd565 | 1362 | if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) || |
affae2bf WD |
1363 | !ss->ep_in || !ss->ep_out || |
1364 | (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { | |
ceb4972a | 1365 | debug("Problems with device\n"); |
affae2bf WD |
1366 | return 0; |
1367 | } | |
1368 | /* set class specific stuff */ | |
149dded2 WD |
1369 | /* We only handle certain protocols. Currently, these are |
1370 | * the only ones. | |
80885a9d | 1371 | * The SFF8070 accepts the requests used in u-boot |
affae2bf | 1372 | */ |
80885a9d WD |
1373 | if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI && |
1374 | ss->subclass != US_SC_8070) { | |
a0cb3fc3 | 1375 | printf("Sorry, protocol %d not yet supported.\n", ss->subclass); |
affae2bf WD |
1376 | return 0; |
1377 | } | |
a0cb3fc3 MT |
1378 | if (ss->ep_int) { |
1379 | /* we had found an interrupt endpoint, prepare irq pipe | |
1380 | * set up the IRQ pipe and handler | |
1381 | */ | |
affae2bf WD |
1382 | ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255; |
1383 | ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int); | |
1384 | ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe); | |
a0cb3fc3 | 1385 | dev->irq_handle = usb_stor_irq; |
affae2bf | 1386 | } |
a0cb3fc3 | 1387 | dev->privptr = (void *)ss; |
affae2bf WD |
1388 | return 1; |
1389 | } | |
1390 | ||
a0cb3fc3 | 1391 | int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, |
4101f687 | 1392 | struct blk_desc *dev_desc) |
affae2bf | 1393 | { |
a0cb3fc3 | 1394 | unsigned char perq, modi; |
f6570871 ST |
1395 | ALLOC_CACHE_ALIGN_BUFFER(u32, cap, 2); |
1396 | ALLOC_CACHE_ALIGN_BUFFER(u8, usb_stor_buf, 36); | |
1397 | u32 capacity, blksz; | |
b9560ad6 | 1398 | struct scsi_cmd *pccb = &usb_ccb; |
9c998aa8 | 1399 | |
9c998aa8 WD |
1400 | pccb->pdata = usb_stor_buf; |
1401 | ||
1402 | dev_desc->target = dev->devnum; | |
1403 | pccb->lun = dev_desc->lun; | |
ceb4972a | 1404 | debug(" address %d\n", dev_desc->target); |
affae2bf | 1405 | |
1d5827a1 SG |
1406 | if (usb_inquiry(pccb, ss)) { |
1407 | debug("%s: usb_inquiry() failed\n", __func__); | |
affae2bf | 1408 | return -1; |
1d5827a1 | 1409 | } |
095b8a37 | 1410 | |
9c998aa8 WD |
1411 | perq = usb_stor_buf[0]; |
1412 | modi = usb_stor_buf[1]; | |
a0cb3fc3 | 1413 | |
6a559bbe SM |
1414 | /* |
1415 | * Skip unknown devices (0x1f) and enclosure service devices (0x0d), | |
1416 | * they would not respond to test_unit_ready . | |
1417 | */ | |
1418 | if (((perq & 0x1f) == 0x1f) || ((perq & 0x1f) == 0x0d)) { | |
1d5827a1 | 1419 | debug("%s: unknown/unsupported device\n", __func__); |
a0cb3fc3 | 1420 | return 0; |
affae2bf | 1421 | } |
a0cb3fc3 MT |
1422 | if ((modi&0x80) == 0x80) { |
1423 | /* drive is removable */ | |
9c998aa8 | 1424 | dev_desc->removable = 1; |
affae2bf | 1425 | } |
f6570871 ST |
1426 | memcpy(dev_desc->vendor, (const void *)&usb_stor_buf[8], 8); |
1427 | memcpy(dev_desc->product, (const void *)&usb_stor_buf[16], 16); | |
1428 | memcpy(dev_desc->revision, (const void *)&usb_stor_buf[32], 4); | |
9c998aa8 WD |
1429 | dev_desc->vendor[8] = 0; |
1430 | dev_desc->product[16] = 0; | |
1431 | dev_desc->revision[4] = 0; | |
ddde6b7c | 1432 | #ifdef CONFIG_USB_BIN_FIXUP |
a0cb3fc3 MT |
1433 | usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, |
1434 | (uchar *)dev_desc->product); | |
ddde6b7c | 1435 | #endif /* CONFIG_USB_BIN_FIXUP */ |
ceb4972a VG |
1436 | debug("ISO Vers %X, Response Data %X\n", usb_stor_buf[2], |
1437 | usb_stor_buf[3]); | |
a0cb3fc3 MT |
1438 | if (usb_test_unit_ready(pccb, ss)) { |
1439 | printf("Device NOT ready\n" | |
1440 | " Request Sense returned %02X %02X %02X\n", | |
1441 | pccb->sense_buf[2], pccb->sense_buf[12], | |
1442 | pccb->sense_buf[13]); | |
1e5eca7d | 1443 | if (dev_desc->removable == 1) |
9c998aa8 | 1444 | dev_desc->type = perq; |
a0cb3fc3 | 1445 | return 0; |
affae2bf | 1446 | } |
f6570871 | 1447 | pccb->pdata = (unsigned char *)cap; |
a0cb3fc3 MT |
1448 | memset(pccb->pdata, 0, 8); |
1449 | if (usb_read_capacity(pccb, ss) != 0) { | |
affae2bf | 1450 | printf("READ_CAP ERROR\n"); |
9c998aa8 WD |
1451 | cap[0] = 2880; |
1452 | cap[1] = 0x200; | |
affae2bf | 1453 | } |
3e8581bb | 1454 | ss->flags &= ~USB_READY; |
f6570871 | 1455 | debug("Read Capacity returns: 0x%08x, 0x%08x\n", cap[0], cap[1]); |
affae2bf | 1456 | #if 0 |
a0cb3fc3 MT |
1457 | if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ |
1458 | cap[0] >>= 16; | |
f6570871 | 1459 | |
c918261c CE |
1460 | cap[0] = cpu_to_be32(cap[0]); |
1461 | cap[1] = cpu_to_be32(cap[1]); | |
f6570871 ST |
1462 | #endif |
1463 | ||
1464 | capacity = be32_to_cpu(cap[0]) + 1; | |
1465 | blksz = be32_to_cpu(cap[1]); | |
c918261c | 1466 | |
f6570871 ST |
1467 | debug("Capacity = 0x%08x, blocksz = 0x%08x\n", capacity, blksz); |
1468 | dev_desc->lba = capacity; | |
1469 | dev_desc->blksz = blksz; | |
0472fbfd | 1470 | dev_desc->log2blksz = LOG2(dev_desc->blksz); |
9c998aa8 | 1471 | dev_desc->type = perq; |
ceb4972a | 1472 | debug(" address %d\n", dev_desc->target); |
affae2bf | 1473 | |
affae2bf WD |
1474 | return 1; |
1475 | } | |
acf277af SG |
1476 | |
1477 | #ifdef CONFIG_DM_USB | |
1478 | ||
1479 | static int usb_mass_storage_probe(struct udevice *dev) | |
1480 | { | |
bcbe3d15 | 1481 | struct usb_device *udev = dev_get_parent_priv(dev); |
acf277af SG |
1482 | int ret; |
1483 | ||
1484 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1485 | ret = usb_stor_probe_device(udev); | |
1486 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
1487 | ||
1488 | return ret; | |
1489 | } | |
1490 | ||
1491 | static const struct udevice_id usb_mass_storage_ids[] = { | |
1492 | { .compatible = "usb-mass-storage" }, | |
1493 | { } | |
1494 | }; | |
1495 | ||
1496 | U_BOOT_DRIVER(usb_mass_storage) = { | |
1497 | .name = "usb_mass_storage", | |
1498 | .id = UCLASS_MASS_STORAGE, | |
1499 | .of_match = usb_mass_storage_ids, | |
1500 | .probe = usb_mass_storage_probe, | |
07b2b78c SG |
1501 | #ifdef CONFIG_BLK |
1502 | .platdata_auto_alloc_size = sizeof(struct us_data), | |
1503 | #endif | |
acf277af SG |
1504 | }; |
1505 | ||
1506 | UCLASS_DRIVER(usb_mass_storage) = { | |
1507 | .id = UCLASS_MASS_STORAGE, | |
1508 | .name = "usb_mass_storage", | |
1509 | }; | |
1510 | ||
1511 | static const struct usb_device_id mass_storage_id_table[] = { | |
1512 | { | |
1513 | .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS, | |
1514 | .bInterfaceClass = USB_CLASS_MASS_STORAGE | |
1515 | }, | |
1516 | { } /* Terminating entry */ | |
1517 | }; | |
1518 | ||
abb59cff | 1519 | U_BOOT_USB_DEVICE(usb_mass_storage, mass_storage_id_table); |
07b2b78c | 1520 | #endif |
acf277af | 1521 | |
07b2b78c SG |
1522 | #ifdef CONFIG_BLK |
1523 | static const struct blk_ops usb_storage_ops = { | |
1524 | .read = usb_stor_read, | |
1525 | .write = usb_stor_write, | |
1526 | }; | |
1527 | ||
1528 | U_BOOT_DRIVER(usb_storage_blk) = { | |
1529 | .name = "usb_storage_blk", | |
1530 | .id = UCLASS_BLK, | |
1531 | .ops = &usb_storage_ops, | |
1532 | }; | |
c0543bf6 SG |
1533 | #else |
1534 | U_BOOT_LEGACY_BLK(usb) = { | |
1535 | .if_typename = "usb", | |
1536 | .if_type = IF_TYPE_USB, | |
1537 | .max_devs = USB_MAX_STOR_DEV, | |
1538 | .desc = usb_dev_desc, | |
1539 | }; | |
acf277af | 1540 | #endif |