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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 */ | |
6158d0b4 | 101 | unsigned short max_xfer_blk; /* maximum transfer blocks */ |
affae2bf WD |
102 | }; |
103 | ||
07b2b78c | 104 | #ifndef CONFIG_BLK |
affae2bf | 105 | static struct us_data usb_stor[USB_MAX_STOR_DEV]; |
07b2b78c | 106 | #endif |
affae2bf | 107 | |
80885a9d | 108 | #define USB_STOR_TRANSPORT_GOOD 0 |
affae2bf WD |
109 | #define USB_STOR_TRANSPORT_FAILED -1 |
110 | #define USB_STOR_TRANSPORT_ERROR -2 | |
111 | ||
a0cb3fc3 | 112 | int usb_stor_get_info(struct usb_device *dev, struct us_data *us, |
4101f687 | 113 | struct blk_desc *dev_desc); |
a0cb3fc3 MT |
114 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
115 | struct us_data *ss); | |
07b2b78c SG |
116 | #ifdef CONFIG_BLK |
117 | static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr, | |
118 | lbaint_t blkcnt, void *buffer); | |
119 | static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr, | |
120 | lbaint_t blkcnt, const void *buffer); | |
121 | #else | |
4101f687 | 122 | static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 123 | lbaint_t blkcnt, void *buffer); |
4101f687 | 124 | static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 125 | lbaint_t blkcnt, const void *buffer); |
07b2b78c | 126 | #endif |
affae2bf WD |
127 | void uhci_show_temp_int_td(void); |
128 | ||
199adb60 | 129 | static void usb_show_progress(void) |
affae2bf | 130 | { |
226fa9bb | 131 | debug("."); |
affae2bf WD |
132 | } |
133 | ||
a0cb3fc3 | 134 | /******************************************************************************* |
9c998aa8 WD |
135 | * show info on storage devices; 'usb start/init' must be invoked earlier |
136 | * as we only retrieve structures populated during devices initialization | |
137 | */ | |
f6b44e0e | 138 | int usb_stor_info(void) |
9c998aa8 | 139 | { |
9807c3b7 | 140 | int count = 0; |
07b2b78c SG |
141 | #ifdef CONFIG_BLK |
142 | struct udevice *dev; | |
143 | ||
144 | for (blk_first_device(IF_TYPE_USB, &dev); | |
145 | dev; | |
146 | blk_next_device(&dev)) { | |
147 | struct blk_desc *desc = dev_get_uclass_platdata(dev); | |
148 | ||
149 | printf(" Device %d: ", desc->devnum); | |
150 | dev_print(desc); | |
151 | count++; | |
152 | } | |
153 | #else | |
9c998aa8 WD |
154 | int i; |
155 | ||
f6b44e0e | 156 | if (usb_max_devs > 0) { |
9c998aa8 | 157 | for (i = 0; i < usb_max_devs; i++) { |
a0cb3fc3 | 158 | printf(" Device %d: ", i); |
9c998aa8 WD |
159 | dev_print(&usb_dev_desc[i]); |
160 | } | |
b9e749e9 | 161 | return 0; |
f6b44e0e | 162 | } |
07b2b78c | 163 | #endif |
9807c3b7 SG |
164 | if (!count) { |
165 | printf("No storage devices, perhaps not 'usb start'ed..?\n"); | |
166 | return 1; | |
167 | } | |
168 | ||
b94fc851 | 169 | return 0; |
9c998aa8 WD |
170 | } |
171 | ||
99e9ed1f LC |
172 | static unsigned int usb_get_max_lun(struct us_data *us) |
173 | { | |
174 | int len; | |
f5766139 | 175 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1); |
99e9ed1f LC |
176 | len = usb_control_msg(us->pusb_dev, |
177 | usb_rcvctrlpipe(us->pusb_dev, 0), | |
178 | US_BBB_GET_MAX_LUN, | |
179 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
180 | 0, us->ifnum, | |
f5766139 | 181 | result, sizeof(char), |
99e9ed1f | 182 | USB_CNTL_TIMEOUT * 5); |
ceb4972a | 183 | debug("Get Max LUN -> len = %i, result = %i\n", len, (int) *result); |
f5766139 | 184 | return (len > 0) ? *result : 0; |
99e9ed1f LC |
185 | } |
186 | ||
9807c3b7 | 187 | static int usb_stor_probe_device(struct usb_device *udev) |
91557579 | 188 | { |
9807c3b7 | 189 | int lun, max_lun; |
07b2b78c SG |
190 | |
191 | #ifdef CONFIG_BLK | |
192 | struct us_data *data; | |
07b2b78c SG |
193 | int ret; |
194 | #else | |
9807c3b7 SG |
195 | int start; |
196 | ||
197 | if (udev == NULL) | |
91557579 | 198 | return -ENOENT; /* no more devices available */ |
07b2b78c SG |
199 | #endif |
200 | ||
201 | debug("\n\nProbing for storage\n"); | |
202 | #ifdef CONFIG_BLK | |
203 | /* | |
204 | * We store the us_data in the mass storage device's platdata. It | |
205 | * is shared by all LUNs (block devices) attached to this mass storage | |
206 | * device. | |
207 | */ | |
208 | data = dev_get_platdata(udev->dev); | |
209 | if (!usb_storage_probe(udev, 0, data)) | |
210 | return 0; | |
211 | max_lun = usb_get_max_lun(data); | |
212 | for (lun = 0; lun <= max_lun; lun++) { | |
213 | struct blk_desc *blkdev; | |
214 | struct udevice *dev; | |
9107c973 | 215 | char str[10]; |
07b2b78c | 216 | |
9107c973 SG |
217 | snprintf(str, sizeof(str), "lun%d", lun); |
218 | ret = blk_create_devicef(udev->dev, "usb_storage_blk", str, | |
219 | IF_TYPE_USB, usb_max_devs, 512, 0, | |
220 | &dev); | |
07b2b78c SG |
221 | if (ret) { |
222 | debug("Cannot bind driver\n"); | |
223 | return ret; | |
224 | } | |
225 | ||
226 | blkdev = dev_get_uclass_platdata(dev); | |
227 | blkdev->target = 0xff; | |
228 | blkdev->lun = lun; | |
91557579 | 229 | |
07b2b78c SG |
230 | ret = usb_stor_get_info(udev, data, blkdev); |
231 | if (ret == 1) | |
232 | ret = blk_prepare_device(dev); | |
233 | if (!ret) { | |
234 | usb_max_devs++; | |
235 | debug("%s: Found device %p\n", __func__, udev); | |
236 | } else { | |
237 | debug("usb_stor_get_info: Invalid device\n"); | |
238 | ret = device_unbind(dev); | |
239 | if (ret) | |
240 | return ret; | |
241 | } | |
242 | } | |
243 | #else | |
c89e79d4 SG |
244 | /* We don't have space to even probe if we hit the maximum */ |
245 | if (usb_max_devs == USB_MAX_STOR_DEV) { | |
246 | printf("max USB Storage Device reached: %d stopping\n", | |
247 | usb_max_devs); | |
248 | return -ENOSPC; | |
249 | } | |
250 | ||
9807c3b7 SG |
251 | if (!usb_storage_probe(udev, 0, &usb_stor[usb_max_devs])) |
252 | return 0; | |
253 | ||
254 | /* | |
255 | * OK, it's a storage device. Iterate over its LUNs and populate | |
256 | * usb_dev_desc' | |
257 | */ | |
258 | start = usb_max_devs; | |
259 | ||
260 | max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]); | |
261 | for (lun = 0; lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV; | |
262 | lun++) { | |
263 | struct blk_desc *blkdev; | |
264 | ||
265 | blkdev = &usb_dev_desc[usb_max_devs]; | |
266 | memset(blkdev, '\0', sizeof(struct blk_desc)); | |
267 | blkdev->if_type = IF_TYPE_USB; | |
268 | blkdev->devnum = usb_max_devs; | |
269 | blkdev->part_type = PART_TYPE_UNKNOWN; | |
270 | blkdev->target = 0xff; | |
271 | blkdev->type = DEV_TYPE_UNKNOWN; | |
272 | blkdev->block_read = usb_stor_read; | |
273 | blkdev->block_write = usb_stor_write; | |
274 | blkdev->lun = lun; | |
275 | blkdev->priv = udev; | |
276 | ||
277 | if (usb_stor_get_info(udev, &usb_stor[start], | |
278 | &usb_dev_desc[usb_max_devs]) == 1) { | |
07b2b78c SG |
279 | debug("partype: %d\n", blkdev->part_type); |
280 | part_init(blkdev); | |
281 | debug("partype: %d\n", blkdev->part_type); | |
9807c3b7 SG |
282 | usb_max_devs++; |
283 | debug("%s: Found device %p\n", __func__, udev); | |
91557579 SG |
284 | } |
285 | } | |
07b2b78c | 286 | #endif |
91557579 | 287 | |
91557579 SG |
288 | return 0; |
289 | } | |
290 | ||
291 | void usb_stor_reset(void) | |
292 | { | |
293 | usb_max_devs = 0; | |
294 | } | |
295 | ||
a0cb3fc3 | 296 | /******************************************************************************* |
9c998aa8 | 297 | * scan the usb and reports device info |
affae2bf WD |
298 | * to the user if mode = 1 |
299 | * returns current device or -1 if no | |
300 | */ | |
301 | int usb_stor_scan(int mode) | |
302 | { | |
a0cb3fc3 | 303 | if (mode == 1) |
93c2582f | 304 | printf(" scanning usb for storage devices... "); |
a0cb3fc3 | 305 | |
b984700c MS |
306 | #ifndef CONFIG_DM_USB |
307 | unsigned char i; | |
308 | ||
affae2bf WD |
309 | usb_disable_asynch(1); /* asynch transfer not allowed */ |
310 | ||
91557579 | 311 | usb_stor_reset(); |
a0cb3fc3 | 312 | for (i = 0; i < USB_MAX_DEVICE; i++) { |
91557579 SG |
313 | struct usb_device *dev; |
314 | ||
a0cb3fc3 | 315 | dev = usb_get_dev_index(i); /* get device */ |
ceb4972a | 316 | debug("i=%d\n", i); |
91557579 | 317 | if (usb_stor_probe_device(dev)) |
affae2bf | 318 | break; |
affae2bf | 319 | } /* for */ |
095b8a37 | 320 | |
affae2bf | 321 | usb_disable_asynch(0); /* asynch transfer allowed */ |
b984700c | 322 | #endif |
9c998aa8 | 323 | printf("%d Storage Device(s) found\n", usb_max_devs); |
a0cb3fc3 | 324 | if (usb_max_devs > 0) |
affae2bf | 325 | return 0; |
a0cb3fc3 | 326 | return -1; |
affae2bf WD |
327 | } |
328 | ||
329 | static int usb_stor_irq(struct usb_device *dev) | |
330 | { | |
331 | struct us_data *us; | |
a0cb3fc3 | 332 | us = (struct us_data *)dev->privptr; |
affae2bf | 333 | |
a0cb3fc3 MT |
334 | if (us->ip_wanted) |
335 | us->ip_wanted = 0; | |
affae2bf WD |
336 | return 0; |
337 | } | |
338 | ||
339 | ||
ceb4972a | 340 | #ifdef DEBUG |
affae2bf | 341 | |
b9560ad6 | 342 | static void usb_show_srb(struct scsi_cmd *pccb) |
affae2bf WD |
343 | { |
344 | int i; | |
a0cb3fc3 MT |
345 | printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen); |
346 | for (i = 0; i < 12; i++) | |
347 | printf("%02X ", pccb->cmd[i]); | |
affae2bf WD |
348 | printf("\n"); |
349 | } | |
350 | ||
351 | static void display_int_status(unsigned long tmp) | |
352 | { | |
353 | printf("Status: %s %s %s %s %s %s %s\n", | |
354 | (tmp & USB_ST_ACTIVE) ? "Active" : "", | |
355 | (tmp & USB_ST_STALLED) ? "Stalled" : "", | |
356 | (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "", | |
357 | (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "", | |
358 | (tmp & USB_ST_NAK_REC) ? "NAKed" : "", | |
359 | (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "", | |
360 | (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : ""); | |
361 | } | |
362 | #endif | |
363 | /*********************************************************************** | |
364 | * Data transfer routines | |
365 | ***********************************************************************/ | |
366 | ||
367 | static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) | |
368 | { | |
369 | int max_size; | |
370 | int this_xfer; | |
371 | int result; | |
372 | int partial; | |
373 | int maxtry; | |
374 | int stat; | |
375 | ||
376 | /* determine the maximum packet size for these transfers */ | |
377 | max_size = usb_maxpacket(us->pusb_dev, pipe) * 16; | |
378 | ||
379 | /* while we have data left to transfer */ | |
380 | while (length) { | |
381 | ||
382 | /* calculate how long this will be -- maximum or a remainder */ | |
383 | this_xfer = length > max_size ? max_size : length; | |
384 | length -= this_xfer; | |
385 | ||
386 | /* setup the retry counter */ | |
387 | maxtry = 10; | |
388 | ||
389 | /* set up the transfer loop */ | |
390 | do { | |
391 | /* transfer the data */ | |
05108132 SG |
392 | debug("Bulk xfer 0x%lx(%d) try #%d\n", |
393 | (ulong)map_to_sysmem(buf), this_xfer, | |
394 | 11 - maxtry); | |
affae2bf | 395 | result = usb_bulk_msg(us->pusb_dev, pipe, buf, |
a0cb3fc3 MT |
396 | this_xfer, &partial, |
397 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
398 | debug("bulk_msg returned %d xferred %d/%d\n", |
399 | result, partial, this_xfer); | |
a0cb3fc3 MT |
400 | if (us->pusb_dev->status != 0) { |
401 | /* if we stall, we need to clear it before | |
402 | * we go on | |
403 | */ | |
ceb4972a | 404 | #ifdef DEBUG |
affae2bf WD |
405 | display_int_status(us->pusb_dev->status); |
406 | #endif | |
407 | if (us->pusb_dev->status & USB_ST_STALLED) { | |
ceb4972a VG |
408 | debug("stalled ->clearing endpoint" \ |
409 | "halt for pipe 0x%x\n", pipe); | |
affae2bf WD |
410 | stat = us->pusb_dev->status; |
411 | usb_clear_halt(us->pusb_dev, pipe); | |
a0cb3fc3 MT |
412 | us->pusb_dev->status = stat; |
413 | if (this_xfer == partial) { | |
ceb4972a VG |
414 | debug("bulk transferred" \ |
415 | "with error %lX," \ | |
416 | " but data ok\n", | |
417 | us->pusb_dev->status); | |
affae2bf WD |
418 | return 0; |
419 | } | |
420 | else | |
421 | return result; | |
422 | } | |
423 | if (us->pusb_dev->status & USB_ST_NAK_REC) { | |
ceb4972a | 424 | debug("Device NAKed bulk_msg\n"); |
affae2bf WD |
425 | return result; |
426 | } | |
ceb4972a | 427 | debug("bulk transferred with error"); |
a0cb3fc3 | 428 | if (this_xfer == partial) { |
ceb4972a VG |
429 | debug(" %ld, but data ok\n", |
430 | us->pusb_dev->status); | |
affae2bf WD |
431 | return 0; |
432 | } | |
433 | /* if our try counter reaches 0, bail out */ | |
ceb4972a VG |
434 | debug(" %ld, data %d\n", |
435 | us->pusb_dev->status, partial); | |
affae2bf WD |
436 | if (!maxtry--) |
437 | return result; | |
438 | } | |
439 | /* update to show what data was transferred */ | |
440 | this_xfer -= partial; | |
441 | buf += partial; | |
442 | /* continue until this transfer is done */ | |
a0cb3fc3 | 443 | } while (this_xfer); |
affae2bf WD |
444 | } |
445 | ||
446 | /* if we get here, we're done and successful */ | |
447 | return 0; | |
448 | } | |
449 | ||
149dded2 WD |
450 | static int usb_stor_BBB_reset(struct us_data *us) |
451 | { | |
452 | int result; | |
453 | unsigned int pipe; | |
454 | ||
455 | /* | |
456 | * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) | |
457 | * | |
458 | * For Reset Recovery the host shall issue in the following order: | |
459 | * a) a Bulk-Only Mass Storage Reset | |
460 | * b) a Clear Feature HALT to the Bulk-In endpoint | |
461 | * c) a Clear Feature HALT to the Bulk-Out endpoint | |
462 | * | |
463 | * This is done in 3 steps. | |
464 | * | |
465 | * If the reset doesn't succeed, the device should be port reset. | |
466 | * | |
467 | * This comment stolen from FreeBSD's /sys/dev/usb/umass.c. | |
468 | */ | |
ceb4972a | 469 | debug("BBB_reset\n"); |
a0cb3fc3 MT |
470 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
471 | US_BBB_RESET, | |
472 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
199adb60 | 473 | 0, us->ifnum, NULL, 0, USB_CNTL_TIMEOUT * 5); |
9c998aa8 | 474 | |
a0cb3fc3 | 475 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 476 | debug("RESET:stall\n"); |
149dded2 WD |
477 | return -1; |
478 | } | |
9c998aa8 | 479 | |
149dded2 | 480 | /* long wait for reset */ |
5b84dd67 | 481 | mdelay(150); |
ceb4972a VG |
482 | debug("BBB_reset result %d: status %lX reset\n", |
483 | result, us->pusb_dev->status); | |
149dded2 WD |
484 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
485 | result = usb_clear_halt(us->pusb_dev, pipe); | |
486 | /* long wait for reset */ | |
5b84dd67 | 487 | mdelay(150); |
ceb4972a VG |
488 | debug("BBB_reset result %d: status %lX clearing IN endpoint\n", |
489 | result, us->pusb_dev->status); | |
149dded2 WD |
490 | /* long wait for reset */ |
491 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
492 | result = usb_clear_halt(us->pusb_dev, pipe); | |
5b84dd67 | 493 | mdelay(150); |
ceb4972a VG |
494 | debug("BBB_reset result %d: status %lX clearing OUT endpoint\n", |
495 | result, us->pusb_dev->status); | |
496 | debug("BBB_reset done\n"); | |
149dded2 WD |
497 | return 0; |
498 | } | |
499 | ||
affae2bf WD |
500 | /* FIXME: this reset function doesn't really reset the port, and it |
501 | * should. Actually it should probably do what it's doing here, and | |
502 | * reset the port physically | |
503 | */ | |
504 | static int usb_stor_CB_reset(struct us_data *us) | |
505 | { | |
506 | unsigned char cmd[12]; | |
507 | int result; | |
508 | ||
ceb4972a | 509 | debug("CB_reset\n"); |
a0cb3fc3 | 510 | memset(cmd, 0xff, sizeof(cmd)); |
affae2bf WD |
511 | cmd[0] = SCSI_SEND_DIAG; |
512 | cmd[1] = 4; | |
a0cb3fc3 MT |
513 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
514 | US_CBI_ADSC, | |
515 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
516 | 0, us->ifnum, cmd, sizeof(cmd), | |
517 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
518 | |
519 | /* long wait for reset */ | |
5b84dd67 | 520 | mdelay(1500); |
ceb4972a VG |
521 | debug("CB_reset result %d: status %lX clearing endpoint halt\n", |
522 | result, us->pusb_dev->status); | |
affae2bf WD |
523 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in)); |
524 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); | |
525 | ||
ceb4972a | 526 | debug("CB_reset done\n"); |
affae2bf WD |
527 | return 0; |
528 | } | |
529 | ||
149dded2 WD |
530 | /* |
531 | * Set up the command for a BBB device. Note that the actual SCSI | |
532 | * command is copied into cbw.CBWCDB. | |
533 | */ | |
b9560ad6 | 534 | static int usb_stor_BBB_comdat(struct scsi_cmd *srb, struct us_data *us) |
149dded2 WD |
535 | { |
536 | int result; | |
537 | int actlen; | |
538 | int dir_in; | |
539 | unsigned int pipe; | |
2e17c87e | 540 | ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_cbw, cbw, 1); |
149dded2 WD |
541 | |
542 | dir_in = US_DIRECTION(srb->cmd[0]); | |
543 | ||
544 | #ifdef BBB_COMDAT_TRACE | |
605bd75a | 545 | printf("dir %d lun %d cmdlen %d cmd %p datalen %lu pdata %p\n", |
a0cb3fc3 MT |
546 | dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, |
547 | srb->pdata); | |
149dded2 | 548 | if (srb->cmdlen) { |
a0cb3fc3 | 549 | for (result = 0; result < srb->cmdlen; result++) |
149dded2 WD |
550 | printf("cmd[%d] %#x ", result, srb->cmd[result]); |
551 | printf("\n"); | |
552 | } | |
553 | #endif | |
554 | /* sanity checks */ | |
555 | if (!(srb->cmdlen <= CBWCDBLENGTH)) { | |
ceb4972a | 556 | debug("usb_stor_BBB_comdat:cmdlen too large\n"); |
149dded2 WD |
557 | return -1; |
558 | } | |
559 | ||
560 | /* always OUT to the ep */ | |
561 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
562 | ||
f5766139 PS |
563 | cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE); |
564 | cbw->dCBWTag = cpu_to_le32(CBWTag++); | |
565 | cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen); | |
566 | cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT); | |
567 | cbw->bCBWLUN = srb->lun; | |
568 | cbw->bCDBLength = srb->cmdlen; | |
149dded2 WD |
569 | /* copy the command data into the CBW command data buffer */ |
570 | /* DST SRC LEN!!! */ | |
f6570871 | 571 | |
f5766139 PS |
572 | memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen); |
573 | result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE, | |
a0cb3fc3 | 574 | &actlen, USB_CNTL_TIMEOUT * 5); |
149dded2 | 575 | if (result < 0) |
ceb4972a | 576 | debug("usb_stor_BBB_comdat:usb_bulk_msg error\n"); |
149dded2 WD |
577 | return result; |
578 | } | |
579 | ||
affae2bf WD |
580 | /* FIXME: we also need a CBI_command which sets up the completion |
581 | * interrupt, and waits for it | |
582 | */ | |
b9560ad6 | 583 | static int usb_stor_CB_comdat(struct scsi_cmd *srb, struct us_data *us) |
affae2bf | 584 | { |
77ddac94 | 585 | int result = 0; |
a0cb3fc3 | 586 | int dir_in, retry; |
affae2bf WD |
587 | unsigned int pipe; |
588 | unsigned long status; | |
589 | ||
a0cb3fc3 MT |
590 | retry = 5; |
591 | dir_in = US_DIRECTION(srb->cmd[0]); | |
affae2bf | 592 | |
a0cb3fc3 MT |
593 | if (dir_in) |
594 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); | |
595 | else | |
596 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
597 | ||
598 | while (retry--) { | |
ceb4972a VG |
599 | debug("CBI gets a command: Try %d\n", 5 - retry); |
600 | #ifdef DEBUG | |
affae2bf WD |
601 | usb_show_srb(srb); |
602 | #endif | |
603 | /* let's send the command via the control pipe */ | |
a0cb3fc3 MT |
604 | result = usb_control_msg(us->pusb_dev, |
605 | usb_sndctrlpipe(us->pusb_dev , 0), | |
606 | US_CBI_ADSC, | |
607 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
affae2bf | 608 | 0, us->ifnum, |
a0cb3fc3 MT |
609 | srb->cmd, srb->cmdlen, |
610 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
611 | debug("CB_transport: control msg returned %d, status %lX\n", |
612 | result, us->pusb_dev->status); | |
affae2bf WD |
613 | /* check the return code for the command */ |
614 | if (result < 0) { | |
a0cb3fc3 MT |
615 | if (us->pusb_dev->status & USB_ST_STALLED) { |
616 | status = us->pusb_dev->status; | |
ceb4972a VG |
617 | debug(" stall during command found," \ |
618 | " clear pipe\n"); | |
a0cb3fc3 MT |
619 | usb_clear_halt(us->pusb_dev, |
620 | usb_sndctrlpipe(us->pusb_dev, 0)); | |
621 | us->pusb_dev->status = status; | |
affae2bf | 622 | } |
ceb4972a VG |
623 | debug(" error during command %02X" \ |
624 | " Stat = %lX\n", srb->cmd[0], | |
625 | us->pusb_dev->status); | |
affae2bf WD |
626 | return result; |
627 | } | |
628 | /* transfer the data payload for this command, if one exists*/ | |
629 | ||
ceb4972a VG |
630 | debug("CB_transport: control msg returned %d," \ |
631 | " direction is %s to go 0x%lx\n", result, | |
632 | dir_in ? "IN" : "OUT", srb->datalen); | |
affae2bf | 633 | if (srb->datalen) { |
a0cb3fc3 MT |
634 | result = us_one_transfer(us, pipe, (char *)srb->pdata, |
635 | srb->datalen); | |
ceb4972a VG |
636 | debug("CBI attempted to transfer data," \ |
637 | " result is %d status %lX, len %d\n", | |
638 | result, us->pusb_dev->status, | |
639 | us->pusb_dev->act_len); | |
a0cb3fc3 | 640 | if (!(us->pusb_dev->status & USB_ST_NAK_REC)) |
affae2bf WD |
641 | break; |
642 | } /* if (srb->datalen) */ | |
643 | else | |
644 | break; | |
645 | } | |
646 | /* return result */ | |
647 | ||
648 | return result; | |
649 | } | |
650 | ||
651 | ||
b9560ad6 | 652 | static int usb_stor_CBI_get_status(struct scsi_cmd *srb, struct us_data *us) |
affae2bf WD |
653 | { |
654 | int timeout; | |
655 | ||
80885a9d | 656 | us->ip_wanted = 1; |
a0cb3fc3 | 657 | submit_int_msg(us->pusb_dev, us->irqpipe, |
80885a9d WD |
658 | (void *) &us->ip_data, us->irqmaxp, us->irqinterval); |
659 | timeout = 1000; | |
660 | while (timeout--) { | |
f6570871 | 661 | if (us->ip_wanted == 0) |
affae2bf | 662 | break; |
5b84dd67 | 663 | mdelay(10); |
affae2bf WD |
664 | } |
665 | if (us->ip_wanted) { | |
a0cb3fc3 | 666 | printf(" Did not get interrupt on CBI\n"); |
affae2bf WD |
667 | us->ip_wanted = 0; |
668 | return USB_STOR_TRANSPORT_ERROR; | |
669 | } | |
a6f70a3d | 670 | debug("Got interrupt data 0x%x, transferred %d status 0x%lX\n", |
ceb4972a VG |
671 | us->ip_data, us->pusb_dev->irq_act_len, |
672 | us->pusb_dev->irq_status); | |
affae2bf WD |
673 | /* UFI gives us ASC and ASCQ, like a request sense */ |
674 | if (us->subclass == US_SC_UFI) { | |
675 | if (srb->cmd[0] == SCSI_REQ_SENSE || | |
676 | srb->cmd[0] == SCSI_INQUIRY) | |
677 | return USB_STOR_TRANSPORT_GOOD; /* Good */ | |
80885a9d WD |
678 | else if (us->ip_data) |
679 | return USB_STOR_TRANSPORT_FAILED; | |
affae2bf | 680 | else |
80885a9d | 681 | return USB_STOR_TRANSPORT_GOOD; |
affae2bf WD |
682 | } |
683 | /* otherwise, we interpret the data normally */ | |
684 | switch (us->ip_data) { | |
80885a9d WD |
685 | case 0x0001: |
686 | return USB_STOR_TRANSPORT_GOOD; | |
687 | case 0x0002: | |
688 | return USB_STOR_TRANSPORT_FAILED; | |
689 | default: | |
690 | return USB_STOR_TRANSPORT_ERROR; | |
691 | } /* switch */ | |
affae2bf WD |
692 | return USB_STOR_TRANSPORT_ERROR; |
693 | } | |
694 | ||
695 | #define USB_TRANSPORT_UNKNOWN_RETRY 5 | |
696 | #define USB_TRANSPORT_NOT_READY_RETRY 10 | |
697 | ||
149dded2 | 698 | /* clear a stall on an endpoint - special for BBB devices */ |
199adb60 | 699 | static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) |
149dded2 | 700 | { |
149dded2 | 701 | /* ENDPOINT_HALT = 0, so set value to 0 */ |
8319aeb1 MY |
702 | return usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
703 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, 0, | |
704 | endpt, NULL, 0, USB_CNTL_TIMEOUT * 5); | |
149dded2 WD |
705 | } |
706 | ||
b9560ad6 | 707 | static int usb_stor_BBB_transport(struct scsi_cmd *srb, struct us_data *us) |
149dded2 WD |
708 | { |
709 | int result, retry; | |
710 | int dir_in; | |
711 | int actlen, data_actlen; | |
712 | unsigned int pipe, pipein, pipeout; | |
2e17c87e | 713 | ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_csw, csw, 1); |
149dded2 WD |
714 | #ifdef BBB_XPORT_TRACE |
715 | unsigned char *ptr; | |
716 | int index; | |
717 | #endif | |
718 | ||
719 | dir_in = US_DIRECTION(srb->cmd[0]); | |
720 | ||
721 | /* COMMAND phase */ | |
ceb4972a | 722 | debug("COMMAND phase\n"); |
149dded2 WD |
723 | result = usb_stor_BBB_comdat(srb, us); |
724 | if (result < 0) { | |
ceb4972a VG |
725 | debug("failed to send CBW status %ld\n", |
726 | us->pusb_dev->status); | |
149dded2 WD |
727 | usb_stor_BBB_reset(us); |
728 | return USB_STOR_TRANSPORT_FAILED; | |
729 | } | |
3e8581bb BT |
730 | if (!(us->flags & USB_READY)) |
731 | mdelay(5); | |
149dded2 WD |
732 | pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
733 | pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
734 | /* DATA phase + error handling */ | |
149dded2 WD |
735 | data_actlen = 0; |
736 | /* no data, go immediately to the STATUS phase */ | |
737 | if (srb->datalen == 0) | |
738 | goto st; | |
ceb4972a | 739 | debug("DATA phase\n"); |
149dded2 WD |
740 | if (dir_in) |
741 | pipe = pipein; | |
742 | else | |
743 | pipe = pipeout; | |
f6570871 | 744 | |
a0cb3fc3 MT |
745 | result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, |
746 | &data_actlen, USB_CNTL_TIMEOUT * 5); | |
149dded2 | 747 | /* special handling of STALL in DATA phase */ |
a0cb3fc3 | 748 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 749 | debug("DATA:stall\n"); |
149dded2 | 750 | /* clear the STALL on the endpoint */ |
a0cb3fc3 MT |
751 | result = usb_stor_BBB_clear_endpt_stall(us, |
752 | dir_in ? us->ep_in : us->ep_out); | |
149dded2 WD |
753 | if (result >= 0) |
754 | /* continue on to STATUS phase */ | |
755 | goto st; | |
756 | } | |
757 | if (result < 0) { | |
ceb4972a VG |
758 | debug("usb_bulk_msg error status %ld\n", |
759 | us->pusb_dev->status); | |
149dded2 WD |
760 | usb_stor_BBB_reset(us); |
761 | return USB_STOR_TRANSPORT_FAILED; | |
762 | } | |
763 | #ifdef BBB_XPORT_TRACE | |
764 | for (index = 0; index < data_actlen; index++) | |
765 | printf("pdata[%d] %#x ", index, srb->pdata[index]); | |
766 | printf("\n"); | |
767 | #endif | |
768 | /* STATUS phase + error handling */ | |
a0cb3fc3 | 769 | st: |
149dded2 | 770 | retry = 0; |
a0cb3fc3 | 771 | again: |
ceb4972a | 772 | debug("STATUS phase\n"); |
f5766139 | 773 | result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE, |
9c998aa8 WD |
774 | &actlen, USB_CNTL_TIMEOUT*5); |
775 | ||
149dded2 | 776 | /* special handling of STALL in STATUS phase */ |
a0cb3fc3 MT |
777 | if ((result < 0) && (retry < 1) && |
778 | (us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a | 779 | debug("STATUS:stall\n"); |
149dded2 WD |
780 | /* clear the STALL on the endpoint */ |
781 | result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in); | |
782 | if (result >= 0 && (retry++ < 1)) | |
783 | /* do a retry */ | |
784 | goto again; | |
785 | } | |
786 | if (result < 0) { | |
ceb4972a VG |
787 | debug("usb_bulk_msg error status %ld\n", |
788 | us->pusb_dev->status); | |
149dded2 WD |
789 | usb_stor_BBB_reset(us); |
790 | return USB_STOR_TRANSPORT_FAILED; | |
791 | } | |
792 | #ifdef BBB_XPORT_TRACE | |
f5766139 | 793 | ptr = (unsigned char *)csw; |
149dded2 WD |
794 | for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) |
795 | printf("ptr[%d] %#x ", index, ptr[index]); | |
796 | printf("\n"); | |
797 | #endif | |
798 | /* misuse pipe to get the residue */ | |
f5766139 | 799 | pipe = le32_to_cpu(csw->dCSWDataResidue); |
149dded2 WD |
800 | if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) |
801 | pipe = srb->datalen - data_actlen; | |
f5766139 | 802 | if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) { |
ceb4972a | 803 | debug("!CSWSIGNATURE\n"); |
149dded2 WD |
804 | usb_stor_BBB_reset(us); |
805 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 806 | } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) { |
ceb4972a | 807 | debug("!Tag\n"); |
149dded2 WD |
808 | usb_stor_BBB_reset(us); |
809 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 810 | } else if (csw->bCSWStatus > CSWSTATUS_PHASE) { |
ceb4972a | 811 | debug(">PHASE\n"); |
149dded2 WD |
812 | usb_stor_BBB_reset(us); |
813 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 814 | } else if (csw->bCSWStatus == CSWSTATUS_PHASE) { |
ceb4972a | 815 | debug("=PHASE\n"); |
149dded2 WD |
816 | usb_stor_BBB_reset(us); |
817 | return USB_STOR_TRANSPORT_FAILED; | |
818 | } else if (data_actlen > srb->datalen) { | |
ceb4972a VG |
819 | debug("transferred %dB instead of %ldB\n", |
820 | data_actlen, srb->datalen); | |
149dded2 | 821 | return USB_STOR_TRANSPORT_FAILED; |
f5766139 | 822 | } else if (csw->bCSWStatus == CSWSTATUS_FAILED) { |
ceb4972a | 823 | debug("FAILED\n"); |
149dded2 WD |
824 | return USB_STOR_TRANSPORT_FAILED; |
825 | } | |
826 | ||
827 | return result; | |
828 | } | |
829 | ||
b9560ad6 | 830 | static int usb_stor_CB_transport(struct scsi_cmd *srb, struct us_data *us) |
affae2bf | 831 | { |
a0cb3fc3 | 832 | int result, status; |
b9560ad6 SG |
833 | struct scsi_cmd *psrb; |
834 | struct scsi_cmd reqsrb; | |
a0cb3fc3 | 835 | int retry, notready; |
affae2bf | 836 | |
d0ff51ba | 837 | psrb = &reqsrb; |
a0cb3fc3 MT |
838 | status = USB_STOR_TRANSPORT_GOOD; |
839 | retry = 0; | |
840 | notready = 0; | |
affae2bf WD |
841 | /* issue the command */ |
842 | do_retry: | |
a0cb3fc3 | 843 | result = usb_stor_CB_comdat(srb, us); |
ceb4972a VG |
844 | debug("command / Data returned %d, status %lX\n", |
845 | result, us->pusb_dev->status); | |
affae2bf | 846 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
847 | if (us->protocol == US_PR_CBI) { |
848 | status = usb_stor_CBI_get_status(srb, us); | |
affae2bf | 849 | /* if the status is error, report it */ |
a0cb3fc3 | 850 | if (status == USB_STOR_TRANSPORT_ERROR) { |
ceb4972a | 851 | debug(" USB CBI Command Error\n"); |
affae2bf WD |
852 | return status; |
853 | } | |
a0cb3fc3 MT |
854 | srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); |
855 | srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff); | |
856 | if (!us->ip_data) { | |
857 | /* if the status is good, report it */ | |
858 | if (status == USB_STOR_TRANSPORT_GOOD) { | |
ceb4972a | 859 | debug(" USB CBI Command Good\n"); |
affae2bf WD |
860 | return status; |
861 | } | |
862 | } | |
863 | } | |
864 | /* do we have to issue an auto request? */ | |
865 | /* HERE we have to check the result */ | |
a0cb3fc3 | 866 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 867 | debug("ERROR %lX\n", us->pusb_dev->status); |
affae2bf WD |
868 | us->transport_reset(us); |
869 | return USB_STOR_TRANSPORT_ERROR; | |
870 | } | |
a0cb3fc3 MT |
871 | if ((us->protocol == US_PR_CBI) && |
872 | ((srb->cmd[0] == SCSI_REQ_SENSE) || | |
873 | (srb->cmd[0] == SCSI_INQUIRY))) { | |
874 | /* do not issue an autorequest after request sense */ | |
ceb4972a | 875 | debug("No auto request and good\n"); |
affae2bf WD |
876 | return USB_STOR_TRANSPORT_GOOD; |
877 | } | |
878 | /* issue an request_sense */ | |
a0cb3fc3 MT |
879 | memset(&psrb->cmd[0], 0, 12); |
880 | psrb->cmd[0] = SCSI_REQ_SENSE; | |
881 | psrb->cmd[1] = srb->lun << 5; | |
882 | psrb->cmd[4] = 18; | |
883 | psrb->datalen = 18; | |
d0ff51ba | 884 | psrb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 | 885 | psrb->cmdlen = 12; |
affae2bf | 886 | /* issue the command */ |
a0cb3fc3 | 887 | result = usb_stor_CB_comdat(psrb, us); |
ceb4972a | 888 | debug("auto request returned %d\n", result); |
affae2bf | 889 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
890 | if (us->protocol == US_PR_CBI) |
891 | status = usb_stor_CBI_get_status(psrb, us); | |
892 | ||
893 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a VG |
894 | debug(" AUTO REQUEST ERROR %ld\n", |
895 | us->pusb_dev->status); | |
affae2bf WD |
896 | return USB_STOR_TRANSPORT_ERROR; |
897 | } | |
ceb4972a VG |
898 | debug("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", |
899 | srb->sense_buf[0], srb->sense_buf[2], | |
900 | srb->sense_buf[12], srb->sense_buf[13]); | |
affae2bf | 901 | /* Check the auto request result */ |
a0cb3fc3 MT |
902 | if ((srb->sense_buf[2] == 0) && |
903 | (srb->sense_buf[12] == 0) && | |
904 | (srb->sense_buf[13] == 0)) { | |
905 | /* ok, no sense */ | |
affae2bf | 906 | return USB_STOR_TRANSPORT_GOOD; |
a0cb3fc3 MT |
907 | } |
908 | ||
affae2bf | 909 | /* Check the auto request result */ |
a0cb3fc3 MT |
910 | switch (srb->sense_buf[2]) { |
911 | case 0x01: | |
912 | /* Recovered Error */ | |
149dded2 | 913 | return USB_STOR_TRANSPORT_GOOD; |
80885a9d | 914 | break; |
a0cb3fc3 MT |
915 | case 0x02: |
916 | /* Not Ready */ | |
917 | if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) { | |
918 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
919 | " 0x%02X (NOT READY)\n", srb->cmd[0], | |
920 | srb->sense_buf[0], srb->sense_buf[2], | |
921 | srb->sense_buf[12], srb->sense_buf[13]); | |
149dded2 WD |
922 | return USB_STOR_TRANSPORT_FAILED; |
923 | } else { | |
5b84dd67 | 924 | mdelay(100); |
149dded2 WD |
925 | goto do_retry; |
926 | } | |
927 | break; | |
928 | default: | |
a0cb3fc3 MT |
929 | if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { |
930 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
931 | " 0x%02X\n", srb->cmd[0], srb->sense_buf[0], | |
932 | srb->sense_buf[2], srb->sense_buf[12], | |
933 | srb->sense_buf[13]); | |
149dded2 | 934 | return USB_STOR_TRANSPORT_FAILED; |
a0cb3fc3 | 935 | } else |
149dded2 | 936 | goto do_retry; |
149dded2 | 937 | break; |
affae2bf WD |
938 | } |
939 | return USB_STOR_TRANSPORT_FAILED; | |
940 | } | |
941 | ||
ea7fad91 BM |
942 | static void usb_stor_set_max_xfer_blk(struct usb_device *udev, |
943 | struct us_data *us) | |
6158d0b4 BM |
944 | { |
945 | unsigned short blk; | |
ea7fad91 BM |
946 | size_t __maybe_unused size; |
947 | int __maybe_unused ret; | |
6158d0b4 | 948 | |
ea7fad91 | 949 | #ifndef CONFIG_DM_USB |
6158d0b4 BM |
950 | #ifdef CONFIG_USB_EHCI_HCD |
951 | /* | |
952 | * The U-Boot EHCI driver can handle any transfer length as long as | |
953 | * there is enough free heap space left, but the SCSI READ(10) and | |
954 | * WRITE(10) commands are limited to 65535 blocks. | |
955 | */ | |
956 | blk = USHRT_MAX; | |
957 | #else | |
958 | blk = 20; | |
959 | #endif | |
ea7fad91 BM |
960 | #else |
961 | ret = usb_get_max_xfer_size(udev, (size_t *)&size); | |
962 | if (ret < 0) { | |
963 | /* unimplemented, let's use default 20 */ | |
964 | blk = 20; | |
965 | } else { | |
966 | if (size > USHRT_MAX * 512) | |
967 | blk = USHRT_MAX; | |
968 | blk = size / 512; | |
969 | } | |
970 | #endif | |
6158d0b4 BM |
971 | |
972 | us->max_xfer_blk = blk; | |
973 | } | |
affae2bf | 974 | |
b9560ad6 | 975 | static int usb_inquiry(struct scsi_cmd *srb, struct us_data *ss) |
affae2bf | 976 | { |
a0cb3fc3 MT |
977 | int retry, i; |
978 | retry = 5; | |
affae2bf | 979 | do { |
a0cb3fc3 MT |
980 | memset(&srb->cmd[0], 0, 12); |
981 | srb->cmd[0] = SCSI_INQUIRY; | |
99e9ed1f | 982 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
983 | srb->cmd[4] = 36; |
984 | srb->datalen = 36; | |
985 | srb->cmdlen = 12; | |
986 | i = ss->transport(srb, ss); | |
ceb4972a | 987 | debug("inquiry returns %d\n", i); |
a0cb3fc3 | 988 | if (i == 0) |
affae2bf | 989 | break; |
fac71cc4 | 990 | } while (--retry); |
149dded2 | 991 | |
a0cb3fc3 | 992 | if (!retry) { |
affae2bf WD |
993 | printf("error in inquiry\n"); |
994 | return -1; | |
995 | } | |
996 | return 0; | |
997 | } | |
998 | ||
b9560ad6 | 999 | static int usb_request_sense(struct scsi_cmd *srb, struct us_data *ss) |
affae2bf WD |
1000 | { |
1001 | char *ptr; | |
80885a9d | 1002 | |
a0cb3fc3 MT |
1003 | ptr = (char *)srb->pdata; |
1004 | memset(&srb->cmd[0], 0, 12); | |
1005 | srb->cmd[0] = SCSI_REQ_SENSE; | |
99e9ed1f | 1006 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1007 | srb->cmd[4] = 18; |
1008 | srb->datalen = 18; | |
d0ff51ba | 1009 | srb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 MT |
1010 | srb->cmdlen = 12; |
1011 | ss->transport(srb, ss); | |
ceb4972a VG |
1012 | debug("Request Sense returned %02X %02X %02X\n", |
1013 | srb->sense_buf[2], srb->sense_buf[12], | |
1014 | srb->sense_buf[13]); | |
a0cb3fc3 | 1015 | srb->pdata = (uchar *)ptr; |
affae2bf WD |
1016 | return 0; |
1017 | } | |
1018 | ||
b9560ad6 | 1019 | static int usb_test_unit_ready(struct scsi_cmd *srb, struct us_data *ss) |
affae2bf | 1020 | { |
9c998aa8 | 1021 | int retries = 10; |
149dded2 | 1022 | |
affae2bf | 1023 | do { |
a0cb3fc3 MT |
1024 | memset(&srb->cmd[0], 0, 12); |
1025 | srb->cmd[0] = SCSI_TST_U_RDY; | |
99e9ed1f | 1026 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1027 | srb->datalen = 0; |
1028 | srb->cmdlen = 12; | |
3e8581bb BT |
1029 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) { |
1030 | ss->flags |= USB_READY; | |
affae2bf | 1031 | return 0; |
3e8581bb | 1032 | } |
a0cb3fc3 | 1033 | usb_request_sense(srb, ss); |
8b57e2f0 VP |
1034 | /* |
1035 | * Check the Key Code Qualifier, if it matches | |
1036 | * "Not Ready - medium not present" | |
1037 | * (the sense Key equals 0x2 and the ASC is 0x3a) | |
1038 | * return immediately as the medium being absent won't change | |
1039 | * unless there is a user action. | |
1040 | */ | |
1041 | if ((srb->sense_buf[2] == 0x02) && | |
1042 | (srb->sense_buf[12] == 0x3a)) | |
1043 | return -1; | |
5b84dd67 | 1044 | mdelay(100); |
a0cb3fc3 | 1045 | } while (retries--); |
149dded2 | 1046 | |
affae2bf WD |
1047 | return -1; |
1048 | } | |
1049 | ||
b9560ad6 | 1050 | static int usb_read_capacity(struct scsi_cmd *srb, struct us_data *ss) |
affae2bf WD |
1051 | { |
1052 | int retry; | |
a0cb3fc3 MT |
1053 | /* XXX retries */ |
1054 | retry = 3; | |
affae2bf | 1055 | do { |
a0cb3fc3 MT |
1056 | memset(&srb->cmd[0], 0, 12); |
1057 | srb->cmd[0] = SCSI_RD_CAPAC; | |
99e9ed1f | 1058 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1059 | srb->datalen = 8; |
1060 | srb->cmdlen = 12; | |
1061 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) | |
affae2bf | 1062 | return 0; |
a0cb3fc3 | 1063 | } while (retry--); |
149dded2 | 1064 | |
affae2bf WD |
1065 | return -1; |
1066 | } | |
1067 | ||
b9560ad6 SG |
1068 | static int usb_read_10(struct scsi_cmd *srb, struct us_data *ss, |
1069 | unsigned long start, unsigned short blocks) | |
affae2bf | 1070 | { |
a0cb3fc3 MT |
1071 | memset(&srb->cmd[0], 0, 12); |
1072 | srb->cmd[0] = SCSI_READ10; | |
99e9ed1f | 1073 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1074 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1075 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1076 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1077 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1078 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1079 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1080 | srb->cmdlen = 12; | |
ceb4972a | 1081 | debug("read10: start %lx blocks %x\n", start, blocks); |
a0cb3fc3 | 1082 | return ss->transport(srb, ss); |
affae2bf WD |
1083 | } |
1084 | ||
b9560ad6 SG |
1085 | static int usb_write_10(struct scsi_cmd *srb, struct us_data *ss, |
1086 | unsigned long start, unsigned short blocks) | |
127e1084 MJ |
1087 | { |
1088 | memset(&srb->cmd[0], 0, 12); | |
1089 | srb->cmd[0] = SCSI_WRITE10; | |
99e9ed1f | 1090 | srb->cmd[1] = srb->lun << 5; |
127e1084 MJ |
1091 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1092 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1093 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1094 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1095 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1096 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1097 | srb->cmdlen = 12; | |
ceb4972a | 1098 | debug("write10: start %lx blocks %x\n", start, blocks); |
127e1084 MJ |
1099 | return ss->transport(srb, ss); |
1100 | } | |
1101 | ||
affae2bf | 1102 | |
ddde6b7c BS |
1103 | #ifdef CONFIG_USB_BIN_FIXUP |
1104 | /* | |
1105 | * Some USB storage devices queried for SCSI identification data respond with | |
1106 | * binary strings, which if output to the console freeze the terminal. The | |
1107 | * workaround is to modify the vendor and product strings read from such | |
1108 | * device with proper values (as reported by 'usb info'). | |
1109 | * | |
1110 | * Vendor and product length limits are taken from the definition of | |
4101f687 | 1111 | * struct blk_desc in include/part.h. |
ddde6b7c BS |
1112 | */ |
1113 | static void usb_bin_fixup(struct usb_device_descriptor descriptor, | |
1114 | unsigned char vendor[], | |
1115 | unsigned char product[]) { | |
1116 | const unsigned char max_vendor_len = 40; | |
1117 | const unsigned char max_product_len = 20; | |
1118 | if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) { | |
a0cb3fc3 MT |
1119 | strncpy((char *)vendor, "SMSC", max_vendor_len); |
1120 | strncpy((char *)product, "Flash Media Cntrller", | |
1121 | max_product_len); | |
ddde6b7c BS |
1122 | } |
1123 | } | |
1124 | #endif /* CONFIG_USB_BIN_FIXUP */ | |
1125 | ||
07b2b78c SG |
1126 | #ifdef CONFIG_BLK |
1127 | static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr, | |
1128 | lbaint_t blkcnt, void *buffer) | |
1129 | #else | |
4101f687 | 1130 | static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 1131 | lbaint_t blkcnt, void *buffer) |
07b2b78c | 1132 | #endif |
affae2bf | 1133 | { |
e81e79ed GB |
1134 | lbaint_t start, blks; |
1135 | uintptr_t buf_addr; | |
affae2bf | 1136 | unsigned short smallblks; |
9807c3b7 | 1137 | struct usb_device *udev; |
5dd95cf9 | 1138 | struct us_data *ss; |
84073b6f | 1139 | int retry; |
b9560ad6 | 1140 | struct scsi_cmd *srb = &usb_ccb; |
07b2b78c SG |
1141 | #ifdef CONFIG_BLK |
1142 | struct blk_desc *block_dev; | |
1143 | #endif | |
f8d813e3 WD |
1144 | |
1145 | if (blkcnt == 0) | |
1146 | return 0; | |
a0cb3fc3 | 1147 | /* Setup device */ |
07b2b78c SG |
1148 | #ifdef CONFIG_BLK |
1149 | block_dev = dev_get_uclass_platdata(dev); | |
1150 | udev = dev_get_parent_priv(dev_get_parent(dev)); | |
1151 | debug("\nusb_read: udev %d\n", block_dev->devnum); | |
1152 | #else | |
9807c3b7 SG |
1153 | debug("\nusb_read: udev %d\n", block_dev->devnum); |
1154 | udev = usb_dev_desc[block_dev->devnum].priv; | |
1155 | if (!udev) { | |
84073b6f SG |
1156 | debug("%s: No device\n", __func__); |
1157 | return 0; | |
affae2bf | 1158 | } |
07b2b78c | 1159 | #endif |
9807c3b7 | 1160 | ss = (struct us_data *)udev->privptr; |
affae2bf WD |
1161 | |
1162 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
9807c3b7 | 1163 | srb->lun = block_dev->lun; |
f6570871 | 1164 | buf_addr = (uintptr_t)buffer; |
a0cb3fc3 MT |
1165 | start = blknr; |
1166 | blks = blkcnt; | |
a0cb3fc3 | 1167 | |
9807c3b7 SG |
1168 | debug("\nusb_read: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" |
1169 | PRIxPTR "\n", block_dev->devnum, start, blks, buf_addr); | |
a0cb3fc3 | 1170 | |
affae2bf | 1171 | do { |
a0cb3fc3 MT |
1172 | /* XXX need some comment here */ |
1173 | retry = 2; | |
1174 | srb->pdata = (unsigned char *)buf_addr; | |
6158d0b4 BM |
1175 | if (blks > ss->max_xfer_blk) |
1176 | smallblks = ss->max_xfer_blk; | |
a0cb3fc3 MT |
1177 | else |
1178 | smallblks = (unsigned short) blks; | |
affae2bf | 1179 | retry_it: |
6158d0b4 | 1180 | if (smallblks == ss->max_xfer_blk) |
affae2bf | 1181 | usb_show_progress(); |
9807c3b7 | 1182 | srb->datalen = block_dev->blksz * smallblks; |
a0cb3fc3 | 1183 | srb->pdata = (unsigned char *)buf_addr; |
5dd95cf9 | 1184 | if (usb_read_10(srb, ss, start, smallblks)) { |
ceb4972a | 1185 | debug("Read ERROR\n"); |
5dd95cf9 | 1186 | usb_request_sense(srb, ss); |
a0cb3fc3 | 1187 | if (retry--) |
affae2bf | 1188 | goto retry_it; |
a0cb3fc3 | 1189 | blkcnt -= blks; |
affae2bf WD |
1190 | break; |
1191 | } | |
a0cb3fc3 MT |
1192 | start += smallblks; |
1193 | blks -= smallblks; | |
1194 | buf_addr += srb->datalen; | |
1195 | } while (blks != 0); | |
3e8581bb | 1196 | ss->flags &= ~USB_READY; |
a0cb3fc3 | 1197 | |
ceb4972a | 1198 | debug("usb_read: end startblk " LBAF |
4fd074de | 1199 | ", blccnt %x buffer %" PRIxPTR "\n", |
ceb4972a | 1200 | start, smallblks, buf_addr); |
a0cb3fc3 | 1201 | |
affae2bf | 1202 | usb_disable_asynch(0); /* asynch transfer allowed */ |
6158d0b4 | 1203 | if (blkcnt >= ss->max_xfer_blk) |
226fa9bb | 1204 | debug("\n"); |
a0cb3fc3 | 1205 | return blkcnt; |
affae2bf WD |
1206 | } |
1207 | ||
07b2b78c SG |
1208 | #ifdef CONFIG_BLK |
1209 | static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr, | |
1210 | lbaint_t blkcnt, const void *buffer) | |
1211 | #else | |
4101f687 | 1212 | static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 1213 | lbaint_t blkcnt, const void *buffer) |
07b2b78c | 1214 | #endif |
127e1084 | 1215 | { |
e81e79ed GB |
1216 | lbaint_t start, blks; |
1217 | uintptr_t buf_addr; | |
127e1084 | 1218 | unsigned short smallblks; |
9807c3b7 | 1219 | struct usb_device *udev; |
5dd95cf9 | 1220 | struct us_data *ss; |
84073b6f | 1221 | int retry; |
b9560ad6 | 1222 | struct scsi_cmd *srb = &usb_ccb; |
07b2b78c SG |
1223 | #ifdef CONFIG_BLK |
1224 | struct blk_desc *block_dev; | |
1225 | #endif | |
127e1084 MJ |
1226 | |
1227 | if (blkcnt == 0) | |
1228 | return 0; | |
1229 | ||
127e1084 | 1230 | /* Setup device */ |
07b2b78c SG |
1231 | #ifdef CONFIG_BLK |
1232 | block_dev = dev_get_uclass_platdata(dev); | |
1233 | udev = dev_get_parent_priv(dev_get_parent(dev)); | |
1234 | debug("\nusb_read: udev %d\n", block_dev->devnum); | |
1235 | #else | |
9807c3b7 SG |
1236 | debug("\nusb_read: udev %d\n", block_dev->devnum); |
1237 | udev = usb_dev_desc[block_dev->devnum].priv; | |
1238 | if (!udev) { | |
1239 | debug("%s: No device\n", __func__); | |
84073b6f | 1240 | return 0; |
9807c3b7 | 1241 | } |
07b2b78c | 1242 | #endif |
9807c3b7 | 1243 | ss = (struct us_data *)udev->privptr; |
127e1084 MJ |
1244 | |
1245 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1246 | ||
9807c3b7 | 1247 | srb->lun = block_dev->lun; |
f6570871 | 1248 | buf_addr = (uintptr_t)buffer; |
127e1084 MJ |
1249 | start = blknr; |
1250 | blks = blkcnt; | |
127e1084 | 1251 | |
9807c3b7 SG |
1252 | debug("\nusb_write: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" |
1253 | PRIxPTR "\n", block_dev->devnum, start, blks, buf_addr); | |
127e1084 MJ |
1254 | |
1255 | do { | |
1256 | /* If write fails retry for max retry count else | |
1257 | * return with number of blocks written successfully. | |
1258 | */ | |
1259 | retry = 2; | |
1260 | srb->pdata = (unsigned char *)buf_addr; | |
6158d0b4 BM |
1261 | if (blks > ss->max_xfer_blk) |
1262 | smallblks = ss->max_xfer_blk; | |
127e1084 MJ |
1263 | else |
1264 | smallblks = (unsigned short) blks; | |
1265 | retry_it: | |
6158d0b4 | 1266 | if (smallblks == ss->max_xfer_blk) |
127e1084 | 1267 | usb_show_progress(); |
9807c3b7 | 1268 | srb->datalen = block_dev->blksz * smallblks; |
127e1084 | 1269 | srb->pdata = (unsigned char *)buf_addr; |
5dd95cf9 | 1270 | if (usb_write_10(srb, ss, start, smallblks)) { |
ceb4972a | 1271 | debug("Write ERROR\n"); |
5dd95cf9 | 1272 | usb_request_sense(srb, ss); |
127e1084 MJ |
1273 | if (retry--) |
1274 | goto retry_it; | |
1275 | blkcnt -= blks; | |
1276 | break; | |
1277 | } | |
1278 | start += smallblks; | |
1279 | blks -= smallblks; | |
1280 | buf_addr += srb->datalen; | |
1281 | } while (blks != 0); | |
3e8581bb | 1282 | ss->flags &= ~USB_READY; |
127e1084 | 1283 | |
4fd074de SG |
1284 | debug("usb_write: end startblk " LBAF ", blccnt %x buffer %" |
1285 | PRIxPTR "\n", start, smallblks, buf_addr); | |
127e1084 MJ |
1286 | |
1287 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
6158d0b4 | 1288 | if (blkcnt >= ss->max_xfer_blk) |
226fa9bb | 1289 | debug("\n"); |
127e1084 MJ |
1290 | return blkcnt; |
1291 | ||
1292 | } | |
affae2bf WD |
1293 | |
1294 | /* Probe to see if a new device is actually a Storage device */ | |
a0cb3fc3 MT |
1295 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
1296 | struct us_data *ss) | |
affae2bf | 1297 | { |
8f8bd565 | 1298 | struct usb_interface *iface; |
affae2bf | 1299 | int i; |
605bd75a | 1300 | struct usb_endpoint_descriptor *ep_desc; |
affae2bf WD |
1301 | unsigned int flags = 0; |
1302 | ||
affae2bf WD |
1303 | /* let's examine the device now */ |
1304 | iface = &dev->config.if_desc[ifnum]; | |
1305 | ||
affae2bf | 1306 | if (dev->descriptor.bDeviceClass != 0 || |
8f8bd565 TR |
1307 | iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE || |
1308 | iface->desc.bInterfaceSubClass < US_SC_MIN || | |
1309 | iface->desc.bInterfaceSubClass > US_SC_MAX) { | |
1d5827a1 | 1310 | debug("Not mass storage\n"); |
affae2bf WD |
1311 | /* if it's not a mass storage, we go no further */ |
1312 | return 0; | |
1313 | } | |
1314 | ||
9c998aa8 WD |
1315 | memset(ss, 0, sizeof(struct us_data)); |
1316 | ||
affae2bf | 1317 | /* At this point, we know we've got a live one */ |
ceb4972a | 1318 | debug("\n\nUSB Mass Storage device detected\n"); |
affae2bf WD |
1319 | |
1320 | /* Initialize the us_data structure with some useful info */ | |
1321 | ss->flags = flags; | |
1322 | ss->ifnum = ifnum; | |
1323 | ss->pusb_dev = dev; | |
1324 | ss->attention_done = 0; | |
f5fb78a2 TR |
1325 | ss->subclass = iface->desc.bInterfaceSubClass; |
1326 | ss->protocol = iface->desc.bInterfaceProtocol; | |
affae2bf WD |
1327 | |
1328 | /* set the handler pointers based on the protocol */ | |
ceb4972a | 1329 | debug("Transport: "); |
affae2bf WD |
1330 | switch (ss->protocol) { |
1331 | case US_PR_CB: | |
ceb4972a | 1332 | debug("Control/Bulk\n"); |
affae2bf WD |
1333 | ss->transport = usb_stor_CB_transport; |
1334 | ss->transport_reset = usb_stor_CB_reset; | |
1335 | break; | |
1336 | ||
1337 | case US_PR_CBI: | |
ceb4972a | 1338 | debug("Control/Bulk/Interrupt\n"); |
affae2bf WD |
1339 | ss->transport = usb_stor_CB_transport; |
1340 | ss->transport_reset = usb_stor_CB_reset; | |
1341 | break; | |
149dded2 | 1342 | case US_PR_BULK: |
ceb4972a | 1343 | debug("Bulk/Bulk/Bulk\n"); |
149dded2 WD |
1344 | ss->transport = usb_stor_BBB_transport; |
1345 | ss->transport_reset = usb_stor_BBB_reset; | |
1346 | break; | |
affae2bf | 1347 | default: |
80885a9d | 1348 | printf("USB Storage Transport unknown / not yet implemented\n"); |
affae2bf WD |
1349 | return 0; |
1350 | break; | |
1351 | } | |
1352 | ||
1353 | /* | |
1354 | * We are expecting a minimum of 2 endpoints - in and out (bulk). | |
1355 | * An optional interrupt is OK (necessary for CBI protocol). | |
1356 | * We will ignore any others. | |
1357 | */ | |
8f8bd565 | 1358 | for (i = 0; i < iface->desc.bNumEndpoints; i++) { |
605bd75a | 1359 | ep_desc = &iface->ep_desc[i]; |
affae2bf | 1360 | /* is it an BULK endpoint? */ |
605bd75a | 1361 | if ((ep_desc->bmAttributes & |
a0cb3fc3 | 1362 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { |
605bd75a VG |
1363 | if (ep_desc->bEndpointAddress & USB_DIR_IN) |
1364 | ss->ep_in = ep_desc->bEndpointAddress & | |
1365 | USB_ENDPOINT_NUMBER_MASK; | |
affae2bf | 1366 | else |
a0cb3fc3 | 1367 | ss->ep_out = |
605bd75a | 1368 | ep_desc->bEndpointAddress & |
affae2bf WD |
1369 | USB_ENDPOINT_NUMBER_MASK; |
1370 | } | |
1371 | ||
1372 | /* is it an interrupt endpoint? */ | |
605bd75a VG |
1373 | if ((ep_desc->bmAttributes & |
1374 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { | |
1375 | ss->ep_int = ep_desc->bEndpointAddress & | |
1376 | USB_ENDPOINT_NUMBER_MASK; | |
1377 | ss->irqinterval = ep_desc->bInterval; | |
affae2bf WD |
1378 | } |
1379 | } | |
ceb4972a VG |
1380 | debug("Endpoints In %d Out %d Int %d\n", |
1381 | ss->ep_in, ss->ep_out, ss->ep_int); | |
affae2bf WD |
1382 | |
1383 | /* Do some basic sanity checks, and bail if we find a problem */ | |
8f8bd565 | 1384 | if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) || |
affae2bf WD |
1385 | !ss->ep_in || !ss->ep_out || |
1386 | (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { | |
ceb4972a | 1387 | debug("Problems with device\n"); |
affae2bf WD |
1388 | return 0; |
1389 | } | |
1390 | /* set class specific stuff */ | |
149dded2 WD |
1391 | /* We only handle certain protocols. Currently, these are |
1392 | * the only ones. | |
80885a9d | 1393 | * The SFF8070 accepts the requests used in u-boot |
affae2bf | 1394 | */ |
80885a9d WD |
1395 | if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI && |
1396 | ss->subclass != US_SC_8070) { | |
a0cb3fc3 | 1397 | printf("Sorry, protocol %d not yet supported.\n", ss->subclass); |
affae2bf WD |
1398 | return 0; |
1399 | } | |
a0cb3fc3 MT |
1400 | if (ss->ep_int) { |
1401 | /* we had found an interrupt endpoint, prepare irq pipe | |
1402 | * set up the IRQ pipe and handler | |
1403 | */ | |
affae2bf WD |
1404 | ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255; |
1405 | ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int); | |
1406 | ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe); | |
a0cb3fc3 | 1407 | dev->irq_handle = usb_stor_irq; |
affae2bf | 1408 | } |
6158d0b4 BM |
1409 | |
1410 | /* Set the maximum transfer size per host controller setting */ | |
ea7fad91 | 1411 | usb_stor_set_max_xfer_blk(dev, ss); |
6158d0b4 | 1412 | |
a0cb3fc3 | 1413 | dev->privptr = (void *)ss; |
affae2bf WD |
1414 | return 1; |
1415 | } | |
1416 | ||
a0cb3fc3 | 1417 | int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, |
4101f687 | 1418 | struct blk_desc *dev_desc) |
affae2bf | 1419 | { |
a0cb3fc3 | 1420 | unsigned char perq, modi; |
f6570871 ST |
1421 | ALLOC_CACHE_ALIGN_BUFFER(u32, cap, 2); |
1422 | ALLOC_CACHE_ALIGN_BUFFER(u8, usb_stor_buf, 36); | |
1423 | u32 capacity, blksz; | |
b9560ad6 | 1424 | struct scsi_cmd *pccb = &usb_ccb; |
9c998aa8 | 1425 | |
9c998aa8 WD |
1426 | pccb->pdata = usb_stor_buf; |
1427 | ||
1428 | dev_desc->target = dev->devnum; | |
1429 | pccb->lun = dev_desc->lun; | |
ceb4972a | 1430 | debug(" address %d\n", dev_desc->target); |
affae2bf | 1431 | |
1d5827a1 SG |
1432 | if (usb_inquiry(pccb, ss)) { |
1433 | debug("%s: usb_inquiry() failed\n", __func__); | |
affae2bf | 1434 | return -1; |
1d5827a1 | 1435 | } |
095b8a37 | 1436 | |
9c998aa8 WD |
1437 | perq = usb_stor_buf[0]; |
1438 | modi = usb_stor_buf[1]; | |
a0cb3fc3 | 1439 | |
6a559bbe SM |
1440 | /* |
1441 | * Skip unknown devices (0x1f) and enclosure service devices (0x0d), | |
1442 | * they would not respond to test_unit_ready . | |
1443 | */ | |
1444 | if (((perq & 0x1f) == 0x1f) || ((perq & 0x1f) == 0x0d)) { | |
1d5827a1 | 1445 | debug("%s: unknown/unsupported device\n", __func__); |
a0cb3fc3 | 1446 | return 0; |
affae2bf | 1447 | } |
a0cb3fc3 MT |
1448 | if ((modi&0x80) == 0x80) { |
1449 | /* drive is removable */ | |
9c998aa8 | 1450 | dev_desc->removable = 1; |
affae2bf | 1451 | } |
f6570871 ST |
1452 | memcpy(dev_desc->vendor, (const void *)&usb_stor_buf[8], 8); |
1453 | memcpy(dev_desc->product, (const void *)&usb_stor_buf[16], 16); | |
1454 | memcpy(dev_desc->revision, (const void *)&usb_stor_buf[32], 4); | |
9c998aa8 WD |
1455 | dev_desc->vendor[8] = 0; |
1456 | dev_desc->product[16] = 0; | |
1457 | dev_desc->revision[4] = 0; | |
ddde6b7c | 1458 | #ifdef CONFIG_USB_BIN_FIXUP |
a0cb3fc3 MT |
1459 | usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, |
1460 | (uchar *)dev_desc->product); | |
ddde6b7c | 1461 | #endif /* CONFIG_USB_BIN_FIXUP */ |
ceb4972a VG |
1462 | debug("ISO Vers %X, Response Data %X\n", usb_stor_buf[2], |
1463 | usb_stor_buf[3]); | |
a0cb3fc3 MT |
1464 | if (usb_test_unit_ready(pccb, ss)) { |
1465 | printf("Device NOT ready\n" | |
1466 | " Request Sense returned %02X %02X %02X\n", | |
1467 | pccb->sense_buf[2], pccb->sense_buf[12], | |
1468 | pccb->sense_buf[13]); | |
1e5eca7d | 1469 | if (dev_desc->removable == 1) |
9c998aa8 | 1470 | dev_desc->type = perq; |
a0cb3fc3 | 1471 | return 0; |
affae2bf | 1472 | } |
f6570871 | 1473 | pccb->pdata = (unsigned char *)cap; |
a0cb3fc3 MT |
1474 | memset(pccb->pdata, 0, 8); |
1475 | if (usb_read_capacity(pccb, ss) != 0) { | |
affae2bf | 1476 | printf("READ_CAP ERROR\n"); |
9c998aa8 WD |
1477 | cap[0] = 2880; |
1478 | cap[1] = 0x200; | |
affae2bf | 1479 | } |
3e8581bb | 1480 | ss->flags &= ~USB_READY; |
f6570871 | 1481 | debug("Read Capacity returns: 0x%08x, 0x%08x\n", cap[0], cap[1]); |
affae2bf | 1482 | #if 0 |
a0cb3fc3 MT |
1483 | if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ |
1484 | cap[0] >>= 16; | |
f6570871 | 1485 | |
c918261c CE |
1486 | cap[0] = cpu_to_be32(cap[0]); |
1487 | cap[1] = cpu_to_be32(cap[1]); | |
f6570871 ST |
1488 | #endif |
1489 | ||
1490 | capacity = be32_to_cpu(cap[0]) + 1; | |
1491 | blksz = be32_to_cpu(cap[1]); | |
c918261c | 1492 | |
f6570871 ST |
1493 | debug("Capacity = 0x%08x, blocksz = 0x%08x\n", capacity, blksz); |
1494 | dev_desc->lba = capacity; | |
1495 | dev_desc->blksz = blksz; | |
0472fbfd | 1496 | dev_desc->log2blksz = LOG2(dev_desc->blksz); |
9c998aa8 | 1497 | dev_desc->type = perq; |
ceb4972a | 1498 | debug(" address %d\n", dev_desc->target); |
affae2bf | 1499 | |
affae2bf WD |
1500 | return 1; |
1501 | } | |
acf277af SG |
1502 | |
1503 | #ifdef CONFIG_DM_USB | |
1504 | ||
1505 | static int usb_mass_storage_probe(struct udevice *dev) | |
1506 | { | |
bcbe3d15 | 1507 | struct usb_device *udev = dev_get_parent_priv(dev); |
acf277af SG |
1508 | int ret; |
1509 | ||
1510 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1511 | ret = usb_stor_probe_device(udev); | |
1512 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
1513 | ||
1514 | return ret; | |
1515 | } | |
1516 | ||
1517 | static const struct udevice_id usb_mass_storage_ids[] = { | |
1518 | { .compatible = "usb-mass-storage" }, | |
1519 | { } | |
1520 | }; | |
1521 | ||
1522 | U_BOOT_DRIVER(usb_mass_storage) = { | |
1523 | .name = "usb_mass_storage", | |
1524 | .id = UCLASS_MASS_STORAGE, | |
1525 | .of_match = usb_mass_storage_ids, | |
1526 | .probe = usb_mass_storage_probe, | |
07b2b78c SG |
1527 | #ifdef CONFIG_BLK |
1528 | .platdata_auto_alloc_size = sizeof(struct us_data), | |
1529 | #endif | |
acf277af SG |
1530 | }; |
1531 | ||
1532 | UCLASS_DRIVER(usb_mass_storage) = { | |
1533 | .id = UCLASS_MASS_STORAGE, | |
1534 | .name = "usb_mass_storage", | |
1535 | }; | |
1536 | ||
1537 | static const struct usb_device_id mass_storage_id_table[] = { | |
1538 | { | |
1539 | .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS, | |
1540 | .bInterfaceClass = USB_CLASS_MASS_STORAGE | |
1541 | }, | |
1542 | { } /* Terminating entry */ | |
1543 | }; | |
1544 | ||
abb59cff | 1545 | U_BOOT_USB_DEVICE(usb_mass_storage, mass_storage_id_table); |
07b2b78c | 1546 | #endif |
acf277af | 1547 | |
07b2b78c SG |
1548 | #ifdef CONFIG_BLK |
1549 | static const struct blk_ops usb_storage_ops = { | |
1550 | .read = usb_stor_read, | |
1551 | .write = usb_stor_write, | |
1552 | }; | |
1553 | ||
1554 | U_BOOT_DRIVER(usb_storage_blk) = { | |
1555 | .name = "usb_storage_blk", | |
1556 | .id = UCLASS_BLK, | |
1557 | .ops = &usb_storage_ops, | |
1558 | }; | |
c0543bf6 SG |
1559 | #else |
1560 | U_BOOT_LEGACY_BLK(usb) = { | |
1561 | .if_typename = "usb", | |
1562 | .if_type = IF_TYPE_USB, | |
1563 | .max_devs = USB_MAX_STOR_DEV, | |
1564 | .desc = usb_dev_desc, | |
1565 | }; | |
acf277af | 1566 | #endif |