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Commit | Line | Data |
---|---|---|
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 | ||
f5766139 | 66 | static ccb usb_ccb __attribute__((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; | |
a0cb3fc3 MT |
76 | typedef int (*trans_cmnd)(ccb *cb, struct us_data *data); |
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 */ | |
98 | ccb *srb; /* current srb */ | |
99 | trans_reset transport_reset; /* reset routine */ | |
100 | trans_cmnd transport; /* transport routine */ | |
affae2bf WD |
101 | }; |
102 | ||
cffcc503 | 103 | #ifdef CONFIG_USB_EHCI |
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 | ||
df3fc526 | 139 | #ifdef CONFIG_PARTITIONS |
4101f687 | 140 | struct blk_desc *usb_stor_get_dev(int index) |
affae2bf | 141 | { |
07b2b78c SG |
142 | #ifdef CONFIG_BLK |
143 | struct udevice *dev; | |
144 | int ret; | |
145 | ||
146 | ret = blk_get_device(IF_TYPE_USB, index, &dev); | |
147 | if (ret) | |
148 | return NULL; | |
149 | return dev_get_uclass_platdata(dev); | |
150 | #else | |
aaad108b | 151 | return (index < usb_max_devs) ? &usb_dev_desc[index] : NULL; |
07b2b78c | 152 | #endif |
affae2bf | 153 | } |
df3fc526 | 154 | #endif |
affae2bf | 155 | |
199adb60 | 156 | static void usb_show_progress(void) |
affae2bf | 157 | { |
226fa9bb | 158 | debug("."); |
affae2bf WD |
159 | } |
160 | ||
a0cb3fc3 | 161 | /******************************************************************************* |
9c998aa8 WD |
162 | * show info on storage devices; 'usb start/init' must be invoked earlier |
163 | * as we only retrieve structures populated during devices initialization | |
164 | */ | |
f6b44e0e | 165 | int usb_stor_info(void) |
9c998aa8 | 166 | { |
9807c3b7 | 167 | int count = 0; |
07b2b78c SG |
168 | #ifdef CONFIG_BLK |
169 | struct udevice *dev; | |
170 | ||
171 | for (blk_first_device(IF_TYPE_USB, &dev); | |
172 | dev; | |
173 | blk_next_device(&dev)) { | |
174 | struct blk_desc *desc = dev_get_uclass_platdata(dev); | |
175 | ||
176 | printf(" Device %d: ", desc->devnum); | |
177 | dev_print(desc); | |
178 | count++; | |
179 | } | |
180 | #else | |
9c998aa8 WD |
181 | int i; |
182 | ||
f6b44e0e | 183 | if (usb_max_devs > 0) { |
9c998aa8 | 184 | for (i = 0; i < usb_max_devs; i++) { |
a0cb3fc3 | 185 | printf(" Device %d: ", i); |
9c998aa8 WD |
186 | dev_print(&usb_dev_desc[i]); |
187 | } | |
b9e749e9 | 188 | return 0; |
f6b44e0e | 189 | } |
07b2b78c | 190 | #endif |
9807c3b7 SG |
191 | if (!count) { |
192 | printf("No storage devices, perhaps not 'usb start'ed..?\n"); | |
193 | return 1; | |
194 | } | |
195 | ||
b94fc851 | 196 | return 0; |
9c998aa8 WD |
197 | } |
198 | ||
99e9ed1f LC |
199 | static unsigned int usb_get_max_lun(struct us_data *us) |
200 | { | |
201 | int len; | |
f5766139 | 202 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1); |
99e9ed1f LC |
203 | len = usb_control_msg(us->pusb_dev, |
204 | usb_rcvctrlpipe(us->pusb_dev, 0), | |
205 | US_BBB_GET_MAX_LUN, | |
206 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
207 | 0, us->ifnum, | |
f5766139 | 208 | result, sizeof(char), |
99e9ed1f | 209 | USB_CNTL_TIMEOUT * 5); |
ceb4972a | 210 | debug("Get Max LUN -> len = %i, result = %i\n", len, (int) *result); |
f5766139 | 211 | return (len > 0) ? *result : 0; |
99e9ed1f LC |
212 | } |
213 | ||
9807c3b7 | 214 | static int usb_stor_probe_device(struct usb_device *udev) |
91557579 | 215 | { |
9807c3b7 | 216 | int lun, max_lun; |
07b2b78c SG |
217 | |
218 | #ifdef CONFIG_BLK | |
219 | struct us_data *data; | |
220 | char dev_name[30], *str; | |
221 | int ret; | |
222 | #else | |
9807c3b7 SG |
223 | int start; |
224 | ||
225 | if (udev == NULL) | |
91557579 | 226 | return -ENOENT; /* no more devices available */ |
07b2b78c SG |
227 | #endif |
228 | ||
229 | debug("\n\nProbing for storage\n"); | |
230 | #ifdef CONFIG_BLK | |
231 | /* | |
232 | * We store the us_data in the mass storage device's platdata. It | |
233 | * is shared by all LUNs (block devices) attached to this mass storage | |
234 | * device. | |
235 | */ | |
236 | data = dev_get_platdata(udev->dev); | |
237 | if (!usb_storage_probe(udev, 0, data)) | |
238 | return 0; | |
239 | max_lun = usb_get_max_lun(data); | |
240 | for (lun = 0; lun <= max_lun; lun++) { | |
241 | struct blk_desc *blkdev; | |
242 | struct udevice *dev; | |
243 | ||
244 | snprintf(dev_name, sizeof(dev_name), "%s.lun%d", | |
245 | udev->dev->name, lun); | |
246 | str = strdup(dev_name); | |
247 | if (!str) | |
248 | return -ENOMEM; | |
249 | ret = blk_create_device(udev->dev, "usb_storage_blk", str, | |
250 | IF_TYPE_USB, usb_max_devs, 512, 0, &dev); | |
251 | if (ret) { | |
252 | debug("Cannot bind driver\n"); | |
253 | return ret; | |
254 | } | |
255 | ||
256 | blkdev = dev_get_uclass_platdata(dev); | |
257 | blkdev->target = 0xff; | |
258 | blkdev->lun = lun; | |
91557579 | 259 | |
07b2b78c SG |
260 | ret = usb_stor_get_info(udev, data, blkdev); |
261 | if (ret == 1) | |
262 | ret = blk_prepare_device(dev); | |
263 | if (!ret) { | |
264 | usb_max_devs++; | |
265 | debug("%s: Found device %p\n", __func__, udev); | |
266 | } else { | |
267 | debug("usb_stor_get_info: Invalid device\n"); | |
268 | ret = device_unbind(dev); | |
269 | if (ret) | |
270 | return ret; | |
271 | } | |
272 | } | |
273 | #else | |
c89e79d4 SG |
274 | /* We don't have space to even probe if we hit the maximum */ |
275 | if (usb_max_devs == USB_MAX_STOR_DEV) { | |
276 | printf("max USB Storage Device reached: %d stopping\n", | |
277 | usb_max_devs); | |
278 | return -ENOSPC; | |
279 | } | |
280 | ||
9807c3b7 SG |
281 | if (!usb_storage_probe(udev, 0, &usb_stor[usb_max_devs])) |
282 | return 0; | |
283 | ||
284 | /* | |
285 | * OK, it's a storage device. Iterate over its LUNs and populate | |
286 | * usb_dev_desc' | |
287 | */ | |
288 | start = usb_max_devs; | |
289 | ||
290 | max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]); | |
291 | for (lun = 0; lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV; | |
292 | lun++) { | |
293 | struct blk_desc *blkdev; | |
294 | ||
295 | blkdev = &usb_dev_desc[usb_max_devs]; | |
296 | memset(blkdev, '\0', sizeof(struct blk_desc)); | |
297 | blkdev->if_type = IF_TYPE_USB; | |
298 | blkdev->devnum = usb_max_devs; | |
299 | blkdev->part_type = PART_TYPE_UNKNOWN; | |
300 | blkdev->target = 0xff; | |
301 | blkdev->type = DEV_TYPE_UNKNOWN; | |
302 | blkdev->block_read = usb_stor_read; | |
303 | blkdev->block_write = usb_stor_write; | |
304 | blkdev->lun = lun; | |
305 | blkdev->priv = udev; | |
306 | ||
307 | if (usb_stor_get_info(udev, &usb_stor[start], | |
308 | &usb_dev_desc[usb_max_devs]) == 1) { | |
07b2b78c SG |
309 | debug("partype: %d\n", blkdev->part_type); |
310 | part_init(blkdev); | |
311 | debug("partype: %d\n", blkdev->part_type); | |
9807c3b7 SG |
312 | usb_max_devs++; |
313 | debug("%s: Found device %p\n", __func__, udev); | |
91557579 SG |
314 | } |
315 | } | |
07b2b78c | 316 | #endif |
91557579 | 317 | |
91557579 SG |
318 | return 0; |
319 | } | |
320 | ||
321 | void usb_stor_reset(void) | |
322 | { | |
323 | usb_max_devs = 0; | |
324 | } | |
325 | ||
acf277af | 326 | #ifndef CONFIG_DM_USB |
a0cb3fc3 | 327 | /******************************************************************************* |
9c998aa8 | 328 | * scan the usb and reports device info |
affae2bf WD |
329 | * to the user if mode = 1 |
330 | * returns current device or -1 if no | |
331 | */ | |
332 | int usb_stor_scan(int mode) | |
333 | { | |
7fc2c1ea | 334 | unsigned char i; |
affae2bf | 335 | |
a0cb3fc3 | 336 | if (mode == 1) |
93c2582f | 337 | printf(" scanning usb for storage devices... "); |
a0cb3fc3 | 338 | |
affae2bf WD |
339 | usb_disable_asynch(1); /* asynch transfer not allowed */ |
340 | ||
91557579 | 341 | usb_stor_reset(); |
a0cb3fc3 | 342 | for (i = 0; i < USB_MAX_DEVICE; i++) { |
91557579 SG |
343 | struct usb_device *dev; |
344 | ||
a0cb3fc3 | 345 | dev = usb_get_dev_index(i); /* get device */ |
ceb4972a | 346 | debug("i=%d\n", i); |
91557579 | 347 | if (usb_stor_probe_device(dev)) |
affae2bf | 348 | break; |
affae2bf | 349 | } /* for */ |
095b8a37 | 350 | |
affae2bf | 351 | usb_disable_asynch(0); /* asynch transfer allowed */ |
9c998aa8 | 352 | printf("%d Storage Device(s) found\n", usb_max_devs); |
a0cb3fc3 | 353 | if (usb_max_devs > 0) |
affae2bf | 354 | return 0; |
a0cb3fc3 | 355 | return -1; |
affae2bf | 356 | } |
acf277af | 357 | #endif |
affae2bf WD |
358 | |
359 | static int usb_stor_irq(struct usb_device *dev) | |
360 | { | |
361 | struct us_data *us; | |
a0cb3fc3 | 362 | us = (struct us_data *)dev->privptr; |
affae2bf | 363 | |
a0cb3fc3 MT |
364 | if (us->ip_wanted) |
365 | us->ip_wanted = 0; | |
affae2bf WD |
366 | return 0; |
367 | } | |
368 | ||
369 | ||
ceb4972a | 370 | #ifdef DEBUG |
affae2bf | 371 | |
a0cb3fc3 | 372 | static void usb_show_srb(ccb *pccb) |
affae2bf WD |
373 | { |
374 | int i; | |
a0cb3fc3 MT |
375 | printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen); |
376 | for (i = 0; i < 12; i++) | |
377 | printf("%02X ", pccb->cmd[i]); | |
affae2bf WD |
378 | printf("\n"); |
379 | } | |
380 | ||
381 | static void display_int_status(unsigned long tmp) | |
382 | { | |
383 | printf("Status: %s %s %s %s %s %s %s\n", | |
384 | (tmp & USB_ST_ACTIVE) ? "Active" : "", | |
385 | (tmp & USB_ST_STALLED) ? "Stalled" : "", | |
386 | (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "", | |
387 | (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "", | |
388 | (tmp & USB_ST_NAK_REC) ? "NAKed" : "", | |
389 | (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "", | |
390 | (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : ""); | |
391 | } | |
392 | #endif | |
393 | /*********************************************************************** | |
394 | * Data transfer routines | |
395 | ***********************************************************************/ | |
396 | ||
397 | static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) | |
398 | { | |
399 | int max_size; | |
400 | int this_xfer; | |
401 | int result; | |
402 | int partial; | |
403 | int maxtry; | |
404 | int stat; | |
405 | ||
406 | /* determine the maximum packet size for these transfers */ | |
407 | max_size = usb_maxpacket(us->pusb_dev, pipe) * 16; | |
408 | ||
409 | /* while we have data left to transfer */ | |
410 | while (length) { | |
411 | ||
412 | /* calculate how long this will be -- maximum or a remainder */ | |
413 | this_xfer = length > max_size ? max_size : length; | |
414 | length -= this_xfer; | |
415 | ||
416 | /* setup the retry counter */ | |
417 | maxtry = 10; | |
418 | ||
419 | /* set up the transfer loop */ | |
420 | do { | |
421 | /* transfer the data */ | |
05108132 SG |
422 | debug("Bulk xfer 0x%lx(%d) try #%d\n", |
423 | (ulong)map_to_sysmem(buf), this_xfer, | |
424 | 11 - maxtry); | |
affae2bf | 425 | result = usb_bulk_msg(us->pusb_dev, pipe, buf, |
a0cb3fc3 MT |
426 | this_xfer, &partial, |
427 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
428 | debug("bulk_msg returned %d xferred %d/%d\n", |
429 | result, partial, this_xfer); | |
a0cb3fc3 MT |
430 | if (us->pusb_dev->status != 0) { |
431 | /* if we stall, we need to clear it before | |
432 | * we go on | |
433 | */ | |
ceb4972a | 434 | #ifdef DEBUG |
affae2bf WD |
435 | display_int_status(us->pusb_dev->status); |
436 | #endif | |
437 | if (us->pusb_dev->status & USB_ST_STALLED) { | |
ceb4972a VG |
438 | debug("stalled ->clearing endpoint" \ |
439 | "halt for pipe 0x%x\n", pipe); | |
affae2bf WD |
440 | stat = us->pusb_dev->status; |
441 | usb_clear_halt(us->pusb_dev, pipe); | |
a0cb3fc3 MT |
442 | us->pusb_dev->status = stat; |
443 | if (this_xfer == partial) { | |
ceb4972a VG |
444 | debug("bulk transferred" \ |
445 | "with error %lX," \ | |
446 | " but data ok\n", | |
447 | us->pusb_dev->status); | |
affae2bf WD |
448 | return 0; |
449 | } | |
450 | else | |
451 | return result; | |
452 | } | |
453 | if (us->pusb_dev->status & USB_ST_NAK_REC) { | |
ceb4972a | 454 | debug("Device NAKed bulk_msg\n"); |
affae2bf WD |
455 | return result; |
456 | } | |
ceb4972a | 457 | debug("bulk transferred with error"); |
a0cb3fc3 | 458 | if (this_xfer == partial) { |
ceb4972a VG |
459 | debug(" %ld, but data ok\n", |
460 | us->pusb_dev->status); | |
affae2bf WD |
461 | return 0; |
462 | } | |
463 | /* if our try counter reaches 0, bail out */ | |
ceb4972a VG |
464 | debug(" %ld, data %d\n", |
465 | us->pusb_dev->status, partial); | |
affae2bf WD |
466 | if (!maxtry--) |
467 | return result; | |
468 | } | |
469 | /* update to show what data was transferred */ | |
470 | this_xfer -= partial; | |
471 | buf += partial; | |
472 | /* continue until this transfer is done */ | |
a0cb3fc3 | 473 | } while (this_xfer); |
affae2bf WD |
474 | } |
475 | ||
476 | /* if we get here, we're done and successful */ | |
477 | return 0; | |
478 | } | |
479 | ||
149dded2 WD |
480 | static int usb_stor_BBB_reset(struct us_data *us) |
481 | { | |
482 | int result; | |
483 | unsigned int pipe; | |
484 | ||
485 | /* | |
486 | * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) | |
487 | * | |
488 | * For Reset Recovery the host shall issue in the following order: | |
489 | * a) a Bulk-Only Mass Storage Reset | |
490 | * b) a Clear Feature HALT to the Bulk-In endpoint | |
491 | * c) a Clear Feature HALT to the Bulk-Out endpoint | |
492 | * | |
493 | * This is done in 3 steps. | |
494 | * | |
495 | * If the reset doesn't succeed, the device should be port reset. | |
496 | * | |
497 | * This comment stolen from FreeBSD's /sys/dev/usb/umass.c. | |
498 | */ | |
ceb4972a | 499 | debug("BBB_reset\n"); |
a0cb3fc3 MT |
500 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
501 | US_BBB_RESET, | |
502 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
199adb60 | 503 | 0, us->ifnum, NULL, 0, USB_CNTL_TIMEOUT * 5); |
9c998aa8 | 504 | |
a0cb3fc3 | 505 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 506 | debug("RESET:stall\n"); |
149dded2 WD |
507 | return -1; |
508 | } | |
9c998aa8 | 509 | |
149dded2 | 510 | /* long wait for reset */ |
5b84dd67 | 511 | mdelay(150); |
ceb4972a VG |
512 | debug("BBB_reset result %d: status %lX reset\n", |
513 | result, us->pusb_dev->status); | |
149dded2 WD |
514 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
515 | result = usb_clear_halt(us->pusb_dev, pipe); | |
516 | /* long wait for reset */ | |
5b84dd67 | 517 | mdelay(150); |
ceb4972a VG |
518 | debug("BBB_reset result %d: status %lX clearing IN endpoint\n", |
519 | result, us->pusb_dev->status); | |
149dded2 WD |
520 | /* long wait for reset */ |
521 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
522 | result = usb_clear_halt(us->pusb_dev, pipe); | |
5b84dd67 | 523 | mdelay(150); |
ceb4972a VG |
524 | debug("BBB_reset result %d: status %lX clearing OUT endpoint\n", |
525 | result, us->pusb_dev->status); | |
526 | debug("BBB_reset done\n"); | |
149dded2 WD |
527 | return 0; |
528 | } | |
529 | ||
affae2bf WD |
530 | /* FIXME: this reset function doesn't really reset the port, and it |
531 | * should. Actually it should probably do what it's doing here, and | |
532 | * reset the port physically | |
533 | */ | |
534 | static int usb_stor_CB_reset(struct us_data *us) | |
535 | { | |
536 | unsigned char cmd[12]; | |
537 | int result; | |
538 | ||
ceb4972a | 539 | debug("CB_reset\n"); |
a0cb3fc3 | 540 | memset(cmd, 0xff, sizeof(cmd)); |
affae2bf WD |
541 | cmd[0] = SCSI_SEND_DIAG; |
542 | cmd[1] = 4; | |
a0cb3fc3 MT |
543 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
544 | US_CBI_ADSC, | |
545 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
546 | 0, us->ifnum, cmd, sizeof(cmd), | |
547 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
548 | |
549 | /* long wait for reset */ | |
5b84dd67 | 550 | mdelay(1500); |
ceb4972a VG |
551 | debug("CB_reset result %d: status %lX clearing endpoint halt\n", |
552 | result, us->pusb_dev->status); | |
affae2bf WD |
553 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in)); |
554 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); | |
555 | ||
ceb4972a | 556 | debug("CB_reset done\n"); |
affae2bf WD |
557 | return 0; |
558 | } | |
559 | ||
149dded2 WD |
560 | /* |
561 | * Set up the command for a BBB device. Note that the actual SCSI | |
562 | * command is copied into cbw.CBWCDB. | |
563 | */ | |
199adb60 | 564 | static int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) |
149dded2 WD |
565 | { |
566 | int result; | |
567 | int actlen; | |
568 | int dir_in; | |
569 | unsigned int pipe; | |
2e17c87e | 570 | ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_cbw, cbw, 1); |
149dded2 WD |
571 | |
572 | dir_in = US_DIRECTION(srb->cmd[0]); | |
573 | ||
574 | #ifdef BBB_COMDAT_TRACE | |
605bd75a | 575 | printf("dir %d lun %d cmdlen %d cmd %p datalen %lu pdata %p\n", |
a0cb3fc3 MT |
576 | dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, |
577 | srb->pdata); | |
149dded2 | 578 | if (srb->cmdlen) { |
a0cb3fc3 | 579 | for (result = 0; result < srb->cmdlen; result++) |
149dded2 WD |
580 | printf("cmd[%d] %#x ", result, srb->cmd[result]); |
581 | printf("\n"); | |
582 | } | |
583 | #endif | |
584 | /* sanity checks */ | |
585 | if (!(srb->cmdlen <= CBWCDBLENGTH)) { | |
ceb4972a | 586 | debug("usb_stor_BBB_comdat:cmdlen too large\n"); |
149dded2 WD |
587 | return -1; |
588 | } | |
589 | ||
590 | /* always OUT to the ep */ | |
591 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
592 | ||
f5766139 PS |
593 | cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE); |
594 | cbw->dCBWTag = cpu_to_le32(CBWTag++); | |
595 | cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen); | |
596 | cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT); | |
597 | cbw->bCBWLUN = srb->lun; | |
598 | cbw->bCDBLength = srb->cmdlen; | |
149dded2 WD |
599 | /* copy the command data into the CBW command data buffer */ |
600 | /* DST SRC LEN!!! */ | |
f6570871 | 601 | |
f5766139 PS |
602 | memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen); |
603 | result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE, | |
a0cb3fc3 | 604 | &actlen, USB_CNTL_TIMEOUT * 5); |
149dded2 | 605 | if (result < 0) |
ceb4972a | 606 | debug("usb_stor_BBB_comdat:usb_bulk_msg error\n"); |
149dded2 WD |
607 | return result; |
608 | } | |
609 | ||
affae2bf WD |
610 | /* FIXME: we also need a CBI_command which sets up the completion |
611 | * interrupt, and waits for it | |
612 | */ | |
199adb60 | 613 | static int usb_stor_CB_comdat(ccb *srb, struct us_data *us) |
affae2bf | 614 | { |
77ddac94 | 615 | int result = 0; |
a0cb3fc3 | 616 | int dir_in, retry; |
affae2bf WD |
617 | unsigned int pipe; |
618 | unsigned long status; | |
619 | ||
a0cb3fc3 MT |
620 | retry = 5; |
621 | dir_in = US_DIRECTION(srb->cmd[0]); | |
affae2bf | 622 | |
a0cb3fc3 MT |
623 | if (dir_in) |
624 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); | |
625 | else | |
626 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
627 | ||
628 | while (retry--) { | |
ceb4972a VG |
629 | debug("CBI gets a command: Try %d\n", 5 - retry); |
630 | #ifdef DEBUG | |
affae2bf WD |
631 | usb_show_srb(srb); |
632 | #endif | |
633 | /* let's send the command via the control pipe */ | |
a0cb3fc3 MT |
634 | result = usb_control_msg(us->pusb_dev, |
635 | usb_sndctrlpipe(us->pusb_dev , 0), | |
636 | US_CBI_ADSC, | |
637 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
affae2bf | 638 | 0, us->ifnum, |
a0cb3fc3 MT |
639 | srb->cmd, srb->cmdlen, |
640 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
641 | debug("CB_transport: control msg returned %d, status %lX\n", |
642 | result, us->pusb_dev->status); | |
affae2bf WD |
643 | /* check the return code for the command */ |
644 | if (result < 0) { | |
a0cb3fc3 MT |
645 | if (us->pusb_dev->status & USB_ST_STALLED) { |
646 | status = us->pusb_dev->status; | |
ceb4972a VG |
647 | debug(" stall during command found," \ |
648 | " clear pipe\n"); | |
a0cb3fc3 MT |
649 | usb_clear_halt(us->pusb_dev, |
650 | usb_sndctrlpipe(us->pusb_dev, 0)); | |
651 | us->pusb_dev->status = status; | |
affae2bf | 652 | } |
ceb4972a VG |
653 | debug(" error during command %02X" \ |
654 | " Stat = %lX\n", srb->cmd[0], | |
655 | us->pusb_dev->status); | |
affae2bf WD |
656 | return result; |
657 | } | |
658 | /* transfer the data payload for this command, if one exists*/ | |
659 | ||
ceb4972a VG |
660 | debug("CB_transport: control msg returned %d," \ |
661 | " direction is %s to go 0x%lx\n", result, | |
662 | dir_in ? "IN" : "OUT", srb->datalen); | |
affae2bf | 663 | if (srb->datalen) { |
a0cb3fc3 MT |
664 | result = us_one_transfer(us, pipe, (char *)srb->pdata, |
665 | srb->datalen); | |
ceb4972a VG |
666 | debug("CBI attempted to transfer data," \ |
667 | " result is %d status %lX, len %d\n", | |
668 | result, us->pusb_dev->status, | |
669 | us->pusb_dev->act_len); | |
a0cb3fc3 | 670 | if (!(us->pusb_dev->status & USB_ST_NAK_REC)) |
affae2bf WD |
671 | break; |
672 | } /* if (srb->datalen) */ | |
673 | else | |
674 | break; | |
675 | } | |
676 | /* return result */ | |
677 | ||
678 | return result; | |
679 | } | |
680 | ||
681 | ||
199adb60 | 682 | static int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) |
affae2bf WD |
683 | { |
684 | int timeout; | |
685 | ||
80885a9d | 686 | us->ip_wanted = 1; |
a0cb3fc3 | 687 | submit_int_msg(us->pusb_dev, us->irqpipe, |
80885a9d WD |
688 | (void *) &us->ip_data, us->irqmaxp, us->irqinterval); |
689 | timeout = 1000; | |
690 | while (timeout--) { | |
f6570871 | 691 | if (us->ip_wanted == 0) |
affae2bf | 692 | break; |
5b84dd67 | 693 | mdelay(10); |
affae2bf WD |
694 | } |
695 | if (us->ip_wanted) { | |
a0cb3fc3 | 696 | printf(" Did not get interrupt on CBI\n"); |
affae2bf WD |
697 | us->ip_wanted = 0; |
698 | return USB_STOR_TRANSPORT_ERROR; | |
699 | } | |
a6f70a3d | 700 | debug("Got interrupt data 0x%x, transferred %d status 0x%lX\n", |
ceb4972a VG |
701 | us->ip_data, us->pusb_dev->irq_act_len, |
702 | us->pusb_dev->irq_status); | |
affae2bf WD |
703 | /* UFI gives us ASC and ASCQ, like a request sense */ |
704 | if (us->subclass == US_SC_UFI) { | |
705 | if (srb->cmd[0] == SCSI_REQ_SENSE || | |
706 | srb->cmd[0] == SCSI_INQUIRY) | |
707 | return USB_STOR_TRANSPORT_GOOD; /* Good */ | |
80885a9d WD |
708 | else if (us->ip_data) |
709 | return USB_STOR_TRANSPORT_FAILED; | |
affae2bf | 710 | else |
80885a9d | 711 | return USB_STOR_TRANSPORT_GOOD; |
affae2bf WD |
712 | } |
713 | /* otherwise, we interpret the data normally */ | |
714 | switch (us->ip_data) { | |
80885a9d WD |
715 | case 0x0001: |
716 | return USB_STOR_TRANSPORT_GOOD; | |
717 | case 0x0002: | |
718 | return USB_STOR_TRANSPORT_FAILED; | |
719 | default: | |
720 | return USB_STOR_TRANSPORT_ERROR; | |
721 | } /* switch */ | |
affae2bf WD |
722 | return USB_STOR_TRANSPORT_ERROR; |
723 | } | |
724 | ||
725 | #define USB_TRANSPORT_UNKNOWN_RETRY 5 | |
726 | #define USB_TRANSPORT_NOT_READY_RETRY 10 | |
727 | ||
149dded2 | 728 | /* clear a stall on an endpoint - special for BBB devices */ |
199adb60 | 729 | static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) |
149dded2 WD |
730 | { |
731 | int result; | |
732 | ||
733 | /* ENDPOINT_HALT = 0, so set value to 0 */ | |
a0cb3fc3 | 734 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
149dded2 | 735 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, |
199adb60 | 736 | 0, endpt, NULL, 0, USB_CNTL_TIMEOUT * 5); |
149dded2 WD |
737 | return result; |
738 | } | |
739 | ||
199adb60 | 740 | static int usb_stor_BBB_transport(ccb *srb, struct us_data *us) |
149dded2 WD |
741 | { |
742 | int result, retry; | |
743 | int dir_in; | |
744 | int actlen, data_actlen; | |
745 | unsigned int pipe, pipein, pipeout; | |
2e17c87e | 746 | ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_csw, csw, 1); |
149dded2 WD |
747 | #ifdef BBB_XPORT_TRACE |
748 | unsigned char *ptr; | |
749 | int index; | |
750 | #endif | |
751 | ||
752 | dir_in = US_DIRECTION(srb->cmd[0]); | |
753 | ||
754 | /* COMMAND phase */ | |
ceb4972a | 755 | debug("COMMAND phase\n"); |
149dded2 WD |
756 | result = usb_stor_BBB_comdat(srb, us); |
757 | if (result < 0) { | |
ceb4972a VG |
758 | debug("failed to send CBW status %ld\n", |
759 | us->pusb_dev->status); | |
149dded2 WD |
760 | usb_stor_BBB_reset(us); |
761 | return USB_STOR_TRANSPORT_FAILED; | |
762 | } | |
3e8581bb BT |
763 | if (!(us->flags & USB_READY)) |
764 | mdelay(5); | |
149dded2 WD |
765 | pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
766 | pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
767 | /* DATA phase + error handling */ | |
149dded2 WD |
768 | data_actlen = 0; |
769 | /* no data, go immediately to the STATUS phase */ | |
770 | if (srb->datalen == 0) | |
771 | goto st; | |
ceb4972a | 772 | debug("DATA phase\n"); |
149dded2 WD |
773 | if (dir_in) |
774 | pipe = pipein; | |
775 | else | |
776 | pipe = pipeout; | |
f6570871 | 777 | |
a0cb3fc3 MT |
778 | result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, |
779 | &data_actlen, USB_CNTL_TIMEOUT * 5); | |
149dded2 | 780 | /* special handling of STALL in DATA phase */ |
a0cb3fc3 | 781 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 782 | debug("DATA:stall\n"); |
149dded2 | 783 | /* clear the STALL on the endpoint */ |
a0cb3fc3 MT |
784 | result = usb_stor_BBB_clear_endpt_stall(us, |
785 | dir_in ? us->ep_in : us->ep_out); | |
149dded2 WD |
786 | if (result >= 0) |
787 | /* continue on to STATUS phase */ | |
788 | goto st; | |
789 | } | |
790 | if (result < 0) { | |
ceb4972a VG |
791 | debug("usb_bulk_msg error status %ld\n", |
792 | us->pusb_dev->status); | |
149dded2 WD |
793 | usb_stor_BBB_reset(us); |
794 | return USB_STOR_TRANSPORT_FAILED; | |
795 | } | |
796 | #ifdef BBB_XPORT_TRACE | |
797 | for (index = 0; index < data_actlen; index++) | |
798 | printf("pdata[%d] %#x ", index, srb->pdata[index]); | |
799 | printf("\n"); | |
800 | #endif | |
801 | /* STATUS phase + error handling */ | |
a0cb3fc3 | 802 | st: |
149dded2 | 803 | retry = 0; |
a0cb3fc3 | 804 | again: |
ceb4972a | 805 | debug("STATUS phase\n"); |
f5766139 | 806 | result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE, |
9c998aa8 WD |
807 | &actlen, USB_CNTL_TIMEOUT*5); |
808 | ||
149dded2 | 809 | /* special handling of STALL in STATUS phase */ |
a0cb3fc3 MT |
810 | if ((result < 0) && (retry < 1) && |
811 | (us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a | 812 | debug("STATUS:stall\n"); |
149dded2 WD |
813 | /* clear the STALL on the endpoint */ |
814 | result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in); | |
815 | if (result >= 0 && (retry++ < 1)) | |
816 | /* do a retry */ | |
817 | goto again; | |
818 | } | |
819 | if (result < 0) { | |
ceb4972a VG |
820 | debug("usb_bulk_msg error status %ld\n", |
821 | us->pusb_dev->status); | |
149dded2 WD |
822 | usb_stor_BBB_reset(us); |
823 | return USB_STOR_TRANSPORT_FAILED; | |
824 | } | |
825 | #ifdef BBB_XPORT_TRACE | |
f5766139 | 826 | ptr = (unsigned char *)csw; |
149dded2 WD |
827 | for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) |
828 | printf("ptr[%d] %#x ", index, ptr[index]); | |
829 | printf("\n"); | |
830 | #endif | |
831 | /* misuse pipe to get the residue */ | |
f5766139 | 832 | pipe = le32_to_cpu(csw->dCSWDataResidue); |
149dded2 WD |
833 | if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) |
834 | pipe = srb->datalen - data_actlen; | |
f5766139 | 835 | if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) { |
ceb4972a | 836 | debug("!CSWSIGNATURE\n"); |
149dded2 WD |
837 | usb_stor_BBB_reset(us); |
838 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 839 | } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) { |
ceb4972a | 840 | debug("!Tag\n"); |
149dded2 WD |
841 | usb_stor_BBB_reset(us); |
842 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 843 | } else if (csw->bCSWStatus > CSWSTATUS_PHASE) { |
ceb4972a | 844 | debug(">PHASE\n"); |
149dded2 WD |
845 | usb_stor_BBB_reset(us); |
846 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 847 | } else if (csw->bCSWStatus == CSWSTATUS_PHASE) { |
ceb4972a | 848 | debug("=PHASE\n"); |
149dded2 WD |
849 | usb_stor_BBB_reset(us); |
850 | return USB_STOR_TRANSPORT_FAILED; | |
851 | } else if (data_actlen > srb->datalen) { | |
ceb4972a VG |
852 | debug("transferred %dB instead of %ldB\n", |
853 | data_actlen, srb->datalen); | |
149dded2 | 854 | return USB_STOR_TRANSPORT_FAILED; |
f5766139 | 855 | } else if (csw->bCSWStatus == CSWSTATUS_FAILED) { |
ceb4972a | 856 | debug("FAILED\n"); |
149dded2 WD |
857 | return USB_STOR_TRANSPORT_FAILED; |
858 | } | |
859 | ||
860 | return result; | |
861 | } | |
862 | ||
199adb60 | 863 | static int usb_stor_CB_transport(ccb *srb, struct us_data *us) |
affae2bf | 864 | { |
a0cb3fc3 | 865 | int result, status; |
affae2bf WD |
866 | ccb *psrb; |
867 | ccb reqsrb; | |
a0cb3fc3 | 868 | int retry, notready; |
affae2bf | 869 | |
d0ff51ba | 870 | psrb = &reqsrb; |
a0cb3fc3 MT |
871 | status = USB_STOR_TRANSPORT_GOOD; |
872 | retry = 0; | |
873 | notready = 0; | |
affae2bf WD |
874 | /* issue the command */ |
875 | do_retry: | |
a0cb3fc3 | 876 | result = usb_stor_CB_comdat(srb, us); |
ceb4972a VG |
877 | debug("command / Data returned %d, status %lX\n", |
878 | result, us->pusb_dev->status); | |
affae2bf | 879 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
880 | if (us->protocol == US_PR_CBI) { |
881 | status = usb_stor_CBI_get_status(srb, us); | |
affae2bf | 882 | /* if the status is error, report it */ |
a0cb3fc3 | 883 | if (status == USB_STOR_TRANSPORT_ERROR) { |
ceb4972a | 884 | debug(" USB CBI Command Error\n"); |
affae2bf WD |
885 | return status; |
886 | } | |
a0cb3fc3 MT |
887 | srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); |
888 | srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff); | |
889 | if (!us->ip_data) { | |
890 | /* if the status is good, report it */ | |
891 | if (status == USB_STOR_TRANSPORT_GOOD) { | |
ceb4972a | 892 | debug(" USB CBI Command Good\n"); |
affae2bf WD |
893 | return status; |
894 | } | |
895 | } | |
896 | } | |
897 | /* do we have to issue an auto request? */ | |
898 | /* HERE we have to check the result */ | |
a0cb3fc3 | 899 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 900 | debug("ERROR %lX\n", us->pusb_dev->status); |
affae2bf WD |
901 | us->transport_reset(us); |
902 | return USB_STOR_TRANSPORT_ERROR; | |
903 | } | |
a0cb3fc3 MT |
904 | if ((us->protocol == US_PR_CBI) && |
905 | ((srb->cmd[0] == SCSI_REQ_SENSE) || | |
906 | (srb->cmd[0] == SCSI_INQUIRY))) { | |
907 | /* do not issue an autorequest after request sense */ | |
ceb4972a | 908 | debug("No auto request and good\n"); |
affae2bf WD |
909 | return USB_STOR_TRANSPORT_GOOD; |
910 | } | |
911 | /* issue an request_sense */ | |
a0cb3fc3 MT |
912 | memset(&psrb->cmd[0], 0, 12); |
913 | psrb->cmd[0] = SCSI_REQ_SENSE; | |
914 | psrb->cmd[1] = srb->lun << 5; | |
915 | psrb->cmd[4] = 18; | |
916 | psrb->datalen = 18; | |
d0ff51ba | 917 | psrb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 | 918 | psrb->cmdlen = 12; |
affae2bf | 919 | /* issue the command */ |
a0cb3fc3 | 920 | result = usb_stor_CB_comdat(psrb, us); |
ceb4972a | 921 | debug("auto request returned %d\n", result); |
affae2bf | 922 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
923 | if (us->protocol == US_PR_CBI) |
924 | status = usb_stor_CBI_get_status(psrb, us); | |
925 | ||
926 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a VG |
927 | debug(" AUTO REQUEST ERROR %ld\n", |
928 | us->pusb_dev->status); | |
affae2bf WD |
929 | return USB_STOR_TRANSPORT_ERROR; |
930 | } | |
ceb4972a VG |
931 | debug("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", |
932 | srb->sense_buf[0], srb->sense_buf[2], | |
933 | srb->sense_buf[12], srb->sense_buf[13]); | |
affae2bf | 934 | /* Check the auto request result */ |
a0cb3fc3 MT |
935 | if ((srb->sense_buf[2] == 0) && |
936 | (srb->sense_buf[12] == 0) && | |
937 | (srb->sense_buf[13] == 0)) { | |
938 | /* ok, no sense */ | |
affae2bf | 939 | return USB_STOR_TRANSPORT_GOOD; |
a0cb3fc3 MT |
940 | } |
941 | ||
affae2bf | 942 | /* Check the auto request result */ |
a0cb3fc3 MT |
943 | switch (srb->sense_buf[2]) { |
944 | case 0x01: | |
945 | /* Recovered Error */ | |
149dded2 | 946 | return USB_STOR_TRANSPORT_GOOD; |
80885a9d | 947 | break; |
a0cb3fc3 MT |
948 | case 0x02: |
949 | /* Not Ready */ | |
950 | if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) { | |
951 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
952 | " 0x%02X (NOT READY)\n", srb->cmd[0], | |
953 | srb->sense_buf[0], srb->sense_buf[2], | |
954 | srb->sense_buf[12], srb->sense_buf[13]); | |
149dded2 WD |
955 | return USB_STOR_TRANSPORT_FAILED; |
956 | } else { | |
5b84dd67 | 957 | mdelay(100); |
149dded2 WD |
958 | goto do_retry; |
959 | } | |
960 | break; | |
961 | default: | |
a0cb3fc3 MT |
962 | if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { |
963 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
964 | " 0x%02X\n", srb->cmd[0], srb->sense_buf[0], | |
965 | srb->sense_buf[2], srb->sense_buf[12], | |
966 | srb->sense_buf[13]); | |
149dded2 | 967 | return USB_STOR_TRANSPORT_FAILED; |
a0cb3fc3 | 968 | } else |
149dded2 | 969 | goto do_retry; |
149dded2 | 970 | break; |
affae2bf WD |
971 | } |
972 | return USB_STOR_TRANSPORT_FAILED; | |
973 | } | |
974 | ||
975 | ||
a0cb3fc3 | 976 | static int usb_inquiry(ccb *srb, struct us_data *ss) |
affae2bf | 977 | { |
a0cb3fc3 MT |
978 | int retry, i; |
979 | retry = 5; | |
affae2bf | 980 | do { |
a0cb3fc3 MT |
981 | memset(&srb->cmd[0], 0, 12); |
982 | srb->cmd[0] = SCSI_INQUIRY; | |
99e9ed1f | 983 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
984 | srb->cmd[4] = 36; |
985 | srb->datalen = 36; | |
986 | srb->cmdlen = 12; | |
987 | i = ss->transport(srb, ss); | |
ceb4972a | 988 | debug("inquiry returns %d\n", i); |
a0cb3fc3 | 989 | if (i == 0) |
affae2bf | 990 | break; |
fac71cc4 | 991 | } while (--retry); |
149dded2 | 992 | |
a0cb3fc3 | 993 | if (!retry) { |
affae2bf WD |
994 | printf("error in inquiry\n"); |
995 | return -1; | |
996 | } | |
997 | return 0; | |
998 | } | |
999 | ||
a0cb3fc3 | 1000 | static int usb_request_sense(ccb *srb, struct us_data *ss) |
affae2bf WD |
1001 | { |
1002 | char *ptr; | |
80885a9d | 1003 | |
a0cb3fc3 MT |
1004 | ptr = (char *)srb->pdata; |
1005 | memset(&srb->cmd[0], 0, 12); | |
1006 | srb->cmd[0] = SCSI_REQ_SENSE; | |
99e9ed1f | 1007 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1008 | srb->cmd[4] = 18; |
1009 | srb->datalen = 18; | |
d0ff51ba | 1010 | srb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 MT |
1011 | srb->cmdlen = 12; |
1012 | ss->transport(srb, ss); | |
ceb4972a VG |
1013 | debug("Request Sense returned %02X %02X %02X\n", |
1014 | srb->sense_buf[2], srb->sense_buf[12], | |
1015 | srb->sense_buf[13]); | |
a0cb3fc3 | 1016 | srb->pdata = (uchar *)ptr; |
affae2bf WD |
1017 | return 0; |
1018 | } | |
1019 | ||
a0cb3fc3 | 1020 | static int usb_test_unit_ready(ccb *srb, struct us_data *ss) |
affae2bf | 1021 | { |
9c998aa8 | 1022 | int retries = 10; |
149dded2 | 1023 | |
affae2bf | 1024 | do { |
a0cb3fc3 MT |
1025 | memset(&srb->cmd[0], 0, 12); |
1026 | srb->cmd[0] = SCSI_TST_U_RDY; | |
99e9ed1f | 1027 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1028 | srb->datalen = 0; |
1029 | srb->cmdlen = 12; | |
3e8581bb BT |
1030 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) { |
1031 | ss->flags |= USB_READY; | |
affae2bf | 1032 | return 0; |
3e8581bb | 1033 | } |
a0cb3fc3 | 1034 | usb_request_sense(srb, ss); |
8b57e2f0 VP |
1035 | /* |
1036 | * Check the Key Code Qualifier, if it matches | |
1037 | * "Not Ready - medium not present" | |
1038 | * (the sense Key equals 0x2 and the ASC is 0x3a) | |
1039 | * return immediately as the medium being absent won't change | |
1040 | * unless there is a user action. | |
1041 | */ | |
1042 | if ((srb->sense_buf[2] == 0x02) && | |
1043 | (srb->sense_buf[12] == 0x3a)) | |
1044 | return -1; | |
5b84dd67 | 1045 | mdelay(100); |
a0cb3fc3 | 1046 | } while (retries--); |
149dded2 | 1047 | |
affae2bf WD |
1048 | return -1; |
1049 | } | |
1050 | ||
a0cb3fc3 | 1051 | static int usb_read_capacity(ccb *srb, struct us_data *ss) |
affae2bf WD |
1052 | { |
1053 | int retry; | |
a0cb3fc3 MT |
1054 | /* XXX retries */ |
1055 | retry = 3; | |
affae2bf | 1056 | do { |
a0cb3fc3 MT |
1057 | memset(&srb->cmd[0], 0, 12); |
1058 | srb->cmd[0] = SCSI_RD_CAPAC; | |
99e9ed1f | 1059 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1060 | srb->datalen = 8; |
1061 | srb->cmdlen = 12; | |
1062 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) | |
affae2bf | 1063 | return 0; |
a0cb3fc3 | 1064 | } while (retry--); |
149dded2 | 1065 | |
affae2bf WD |
1066 | return -1; |
1067 | } | |
1068 | ||
a0cb3fc3 MT |
1069 | static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start, |
1070 | unsigned short blocks) | |
affae2bf | 1071 | { |
a0cb3fc3 MT |
1072 | memset(&srb->cmd[0], 0, 12); |
1073 | srb->cmd[0] = SCSI_READ10; | |
99e9ed1f | 1074 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
1075 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1076 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1077 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1078 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1079 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1080 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1081 | srb->cmdlen = 12; | |
ceb4972a | 1082 | debug("read10: start %lx blocks %x\n", start, blocks); |
a0cb3fc3 | 1083 | return ss->transport(srb, ss); |
affae2bf WD |
1084 | } |
1085 | ||
127e1084 MJ |
1086 | static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start, |
1087 | unsigned short blocks) | |
1088 | { | |
1089 | memset(&srb->cmd[0], 0, 12); | |
1090 | srb->cmd[0] = SCSI_WRITE10; | |
99e9ed1f | 1091 | srb->cmd[1] = srb->lun << 5; |
127e1084 MJ |
1092 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1093 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1094 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1095 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1096 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1097 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1098 | srb->cmdlen = 12; | |
ceb4972a | 1099 | debug("write10: start %lx blocks %x\n", start, blocks); |
127e1084 MJ |
1100 | return ss->transport(srb, ss); |
1101 | } | |
1102 | ||
affae2bf | 1103 | |
ddde6b7c BS |
1104 | #ifdef CONFIG_USB_BIN_FIXUP |
1105 | /* | |
1106 | * Some USB storage devices queried for SCSI identification data respond with | |
1107 | * binary strings, which if output to the console freeze the terminal. The | |
1108 | * workaround is to modify the vendor and product strings read from such | |
1109 | * device with proper values (as reported by 'usb info'). | |
1110 | * | |
1111 | * Vendor and product length limits are taken from the definition of | |
4101f687 | 1112 | * struct blk_desc in include/part.h. |
ddde6b7c BS |
1113 | */ |
1114 | static void usb_bin_fixup(struct usb_device_descriptor descriptor, | |
1115 | unsigned char vendor[], | |
1116 | unsigned char product[]) { | |
1117 | const unsigned char max_vendor_len = 40; | |
1118 | const unsigned char max_product_len = 20; | |
1119 | if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) { | |
a0cb3fc3 MT |
1120 | strncpy((char *)vendor, "SMSC", max_vendor_len); |
1121 | strncpy((char *)product, "Flash Media Cntrller", | |
1122 | max_product_len); | |
ddde6b7c BS |
1123 | } |
1124 | } | |
1125 | #endif /* CONFIG_USB_BIN_FIXUP */ | |
1126 | ||
07b2b78c SG |
1127 | #ifdef CONFIG_BLK |
1128 | static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr, | |
1129 | lbaint_t blkcnt, void *buffer) | |
1130 | #else | |
4101f687 | 1131 | static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 1132 | lbaint_t blkcnt, void *buffer) |
07b2b78c | 1133 | #endif |
affae2bf | 1134 | { |
e81e79ed GB |
1135 | lbaint_t start, blks; |
1136 | uintptr_t buf_addr; | |
affae2bf | 1137 | unsigned short smallblks; |
9807c3b7 | 1138 | struct usb_device *udev; |
5dd95cf9 | 1139 | struct us_data *ss; |
84073b6f | 1140 | int retry; |
f8d813e3 | 1141 | ccb *srb = &usb_ccb; |
07b2b78c SG |
1142 | #ifdef CONFIG_BLK |
1143 | struct blk_desc *block_dev; | |
1144 | #endif | |
f8d813e3 WD |
1145 | |
1146 | if (blkcnt == 0) | |
1147 | return 0; | |
a0cb3fc3 | 1148 | /* Setup device */ |
07b2b78c SG |
1149 | #ifdef CONFIG_BLK |
1150 | block_dev = dev_get_uclass_platdata(dev); | |
1151 | udev = dev_get_parent_priv(dev_get_parent(dev)); | |
1152 | debug("\nusb_read: udev %d\n", block_dev->devnum); | |
1153 | #else | |
9807c3b7 SG |
1154 | debug("\nusb_read: udev %d\n", block_dev->devnum); |
1155 | udev = usb_dev_desc[block_dev->devnum].priv; | |
1156 | if (!udev) { | |
84073b6f SG |
1157 | debug("%s: No device\n", __func__); |
1158 | return 0; | |
affae2bf | 1159 | } |
07b2b78c | 1160 | #endif |
9807c3b7 | 1161 | ss = (struct us_data *)udev->privptr; |
affae2bf WD |
1162 | |
1163 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
9807c3b7 | 1164 | srb->lun = block_dev->lun; |
f6570871 | 1165 | buf_addr = (uintptr_t)buffer; |
a0cb3fc3 MT |
1166 | start = blknr; |
1167 | blks = blkcnt; | |
a0cb3fc3 | 1168 | |
9807c3b7 SG |
1169 | debug("\nusb_read: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" |
1170 | PRIxPTR "\n", block_dev->devnum, start, blks, buf_addr); | |
a0cb3fc3 | 1171 | |
affae2bf | 1172 | do { |
a0cb3fc3 MT |
1173 | /* XXX need some comment here */ |
1174 | retry = 2; | |
1175 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1176 | if (blks > USB_MAX_XFER_BLK) |
1177 | smallblks = USB_MAX_XFER_BLK; | |
a0cb3fc3 MT |
1178 | else |
1179 | smallblks = (unsigned short) blks; | |
affae2bf | 1180 | retry_it: |
4bee5c83 | 1181 | if (smallblks == USB_MAX_XFER_BLK) |
affae2bf | 1182 | usb_show_progress(); |
9807c3b7 | 1183 | srb->datalen = block_dev->blksz * smallblks; |
a0cb3fc3 | 1184 | srb->pdata = (unsigned char *)buf_addr; |
5dd95cf9 | 1185 | if (usb_read_10(srb, ss, start, smallblks)) { |
ceb4972a | 1186 | debug("Read ERROR\n"); |
5dd95cf9 | 1187 | usb_request_sense(srb, ss); |
a0cb3fc3 | 1188 | if (retry--) |
affae2bf | 1189 | goto retry_it; |
a0cb3fc3 | 1190 | blkcnt -= blks; |
affae2bf WD |
1191 | break; |
1192 | } | |
a0cb3fc3 MT |
1193 | start += smallblks; |
1194 | blks -= smallblks; | |
1195 | buf_addr += srb->datalen; | |
1196 | } while (blks != 0); | |
3e8581bb | 1197 | ss->flags &= ~USB_READY; |
a0cb3fc3 | 1198 | |
ceb4972a | 1199 | debug("usb_read: end startblk " LBAF |
4fd074de | 1200 | ", blccnt %x buffer %" PRIxPTR "\n", |
ceb4972a | 1201 | start, smallblks, buf_addr); |
a0cb3fc3 | 1202 | |
affae2bf | 1203 | usb_disable_asynch(0); /* asynch transfer allowed */ |
4bee5c83 | 1204 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1205 | debug("\n"); |
a0cb3fc3 | 1206 | return blkcnt; |
affae2bf WD |
1207 | } |
1208 | ||
07b2b78c SG |
1209 | #ifdef CONFIG_BLK |
1210 | static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr, | |
1211 | lbaint_t blkcnt, const void *buffer) | |
1212 | #else | |
4101f687 | 1213 | static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 1214 | lbaint_t blkcnt, const void *buffer) |
07b2b78c | 1215 | #endif |
127e1084 | 1216 | { |
e81e79ed GB |
1217 | lbaint_t start, blks; |
1218 | uintptr_t buf_addr; | |
127e1084 | 1219 | unsigned short smallblks; |
9807c3b7 | 1220 | struct usb_device *udev; |
5dd95cf9 | 1221 | struct us_data *ss; |
84073b6f | 1222 | int retry; |
127e1084 | 1223 | ccb *srb = &usb_ccb; |
07b2b78c SG |
1224 | #ifdef CONFIG_BLK |
1225 | struct blk_desc *block_dev; | |
1226 | #endif | |
127e1084 MJ |
1227 | |
1228 | if (blkcnt == 0) | |
1229 | return 0; | |
1230 | ||
127e1084 | 1231 | /* Setup device */ |
07b2b78c SG |
1232 | #ifdef CONFIG_BLK |
1233 | block_dev = dev_get_uclass_platdata(dev); | |
1234 | udev = dev_get_parent_priv(dev_get_parent(dev)); | |
1235 | debug("\nusb_read: udev %d\n", block_dev->devnum); | |
1236 | #else | |
9807c3b7 SG |
1237 | debug("\nusb_read: udev %d\n", block_dev->devnum); |
1238 | udev = usb_dev_desc[block_dev->devnum].priv; | |
1239 | if (!udev) { | |
1240 | debug("%s: No device\n", __func__); | |
84073b6f | 1241 | return 0; |
9807c3b7 | 1242 | } |
07b2b78c | 1243 | #endif |
9807c3b7 | 1244 | ss = (struct us_data *)udev->privptr; |
127e1084 MJ |
1245 | |
1246 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1247 | ||
9807c3b7 | 1248 | srb->lun = block_dev->lun; |
f6570871 | 1249 | buf_addr = (uintptr_t)buffer; |
127e1084 MJ |
1250 | start = blknr; |
1251 | blks = blkcnt; | |
127e1084 | 1252 | |
9807c3b7 SG |
1253 | debug("\nusb_write: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" |
1254 | PRIxPTR "\n", block_dev->devnum, start, blks, buf_addr); | |
127e1084 MJ |
1255 | |
1256 | do { | |
1257 | /* If write fails retry for max retry count else | |
1258 | * return with number of blocks written successfully. | |
1259 | */ | |
1260 | retry = 2; | |
1261 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1262 | if (blks > USB_MAX_XFER_BLK) |
1263 | smallblks = USB_MAX_XFER_BLK; | |
127e1084 MJ |
1264 | else |
1265 | smallblks = (unsigned short) blks; | |
1266 | retry_it: | |
4bee5c83 | 1267 | if (smallblks == USB_MAX_XFER_BLK) |
127e1084 | 1268 | usb_show_progress(); |
9807c3b7 | 1269 | srb->datalen = block_dev->blksz * smallblks; |
127e1084 | 1270 | srb->pdata = (unsigned char *)buf_addr; |
5dd95cf9 | 1271 | if (usb_write_10(srb, ss, start, smallblks)) { |
ceb4972a | 1272 | debug("Write ERROR\n"); |
5dd95cf9 | 1273 | usb_request_sense(srb, ss); |
127e1084 MJ |
1274 | if (retry--) |
1275 | goto retry_it; | |
1276 | blkcnt -= blks; | |
1277 | break; | |
1278 | } | |
1279 | start += smallblks; | |
1280 | blks -= smallblks; | |
1281 | buf_addr += srb->datalen; | |
1282 | } while (blks != 0); | |
3e8581bb | 1283 | ss->flags &= ~USB_READY; |
127e1084 | 1284 | |
4fd074de SG |
1285 | debug("usb_write: end startblk " LBAF ", blccnt %x buffer %" |
1286 | PRIxPTR "\n", start, smallblks, buf_addr); | |
127e1084 MJ |
1287 | |
1288 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
4bee5c83 | 1289 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1290 | debug("\n"); |
127e1084 MJ |
1291 | return blkcnt; |
1292 | ||
1293 | } | |
affae2bf WD |
1294 | |
1295 | /* Probe to see if a new device is actually a Storage device */ | |
a0cb3fc3 MT |
1296 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
1297 | struct us_data *ss) | |
affae2bf | 1298 | { |
8f8bd565 | 1299 | struct usb_interface *iface; |
affae2bf | 1300 | int i; |
605bd75a | 1301 | struct usb_endpoint_descriptor *ep_desc; |
affae2bf WD |
1302 | unsigned int flags = 0; |
1303 | ||
affae2bf WD |
1304 | /* let's examine the device now */ |
1305 | iface = &dev->config.if_desc[ifnum]; | |
1306 | ||
affae2bf | 1307 | if (dev->descriptor.bDeviceClass != 0 || |
8f8bd565 TR |
1308 | iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE || |
1309 | iface->desc.bInterfaceSubClass < US_SC_MIN || | |
1310 | iface->desc.bInterfaceSubClass > US_SC_MAX) { | |
1d5827a1 | 1311 | debug("Not mass storage\n"); |
affae2bf WD |
1312 | /* if it's not a mass storage, we go no further */ |
1313 | return 0; | |
1314 | } | |
1315 | ||
9c998aa8 WD |
1316 | memset(ss, 0, sizeof(struct us_data)); |
1317 | ||
affae2bf | 1318 | /* At this point, we know we've got a live one */ |
ceb4972a | 1319 | debug("\n\nUSB Mass Storage device detected\n"); |
affae2bf WD |
1320 | |
1321 | /* Initialize the us_data structure with some useful info */ | |
1322 | ss->flags = flags; | |
1323 | ss->ifnum = ifnum; | |
1324 | ss->pusb_dev = dev; | |
1325 | ss->attention_done = 0; | |
f5fb78a2 TR |
1326 | ss->subclass = iface->desc.bInterfaceSubClass; |
1327 | ss->protocol = iface->desc.bInterfaceProtocol; | |
affae2bf WD |
1328 | |
1329 | /* set the handler pointers based on the protocol */ | |
ceb4972a | 1330 | debug("Transport: "); |
affae2bf WD |
1331 | switch (ss->protocol) { |
1332 | case US_PR_CB: | |
ceb4972a | 1333 | debug("Control/Bulk\n"); |
affae2bf WD |
1334 | ss->transport = usb_stor_CB_transport; |
1335 | ss->transport_reset = usb_stor_CB_reset; | |
1336 | break; | |
1337 | ||
1338 | case US_PR_CBI: | |
ceb4972a | 1339 | debug("Control/Bulk/Interrupt\n"); |
affae2bf WD |
1340 | ss->transport = usb_stor_CB_transport; |
1341 | ss->transport_reset = usb_stor_CB_reset; | |
1342 | break; | |
149dded2 | 1343 | case US_PR_BULK: |
ceb4972a | 1344 | debug("Bulk/Bulk/Bulk\n"); |
149dded2 WD |
1345 | ss->transport = usb_stor_BBB_transport; |
1346 | ss->transport_reset = usb_stor_BBB_reset; | |
1347 | break; | |
affae2bf | 1348 | default: |
80885a9d | 1349 | printf("USB Storage Transport unknown / not yet implemented\n"); |
affae2bf WD |
1350 | return 0; |
1351 | break; | |
1352 | } | |
1353 | ||
1354 | /* | |
1355 | * We are expecting a minimum of 2 endpoints - in and out (bulk). | |
1356 | * An optional interrupt is OK (necessary for CBI protocol). | |
1357 | * We will ignore any others. | |
1358 | */ | |
8f8bd565 | 1359 | for (i = 0; i < iface->desc.bNumEndpoints; i++) { |
605bd75a | 1360 | ep_desc = &iface->ep_desc[i]; |
affae2bf | 1361 | /* is it an BULK endpoint? */ |
605bd75a | 1362 | if ((ep_desc->bmAttributes & |
a0cb3fc3 | 1363 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { |
605bd75a VG |
1364 | if (ep_desc->bEndpointAddress & USB_DIR_IN) |
1365 | ss->ep_in = ep_desc->bEndpointAddress & | |
1366 | USB_ENDPOINT_NUMBER_MASK; | |
affae2bf | 1367 | else |
a0cb3fc3 | 1368 | ss->ep_out = |
605bd75a | 1369 | ep_desc->bEndpointAddress & |
affae2bf WD |
1370 | USB_ENDPOINT_NUMBER_MASK; |
1371 | } | |
1372 | ||
1373 | /* is it an interrupt endpoint? */ | |
605bd75a VG |
1374 | if ((ep_desc->bmAttributes & |
1375 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { | |
1376 | ss->ep_int = ep_desc->bEndpointAddress & | |
1377 | USB_ENDPOINT_NUMBER_MASK; | |
1378 | ss->irqinterval = ep_desc->bInterval; | |
affae2bf WD |
1379 | } |
1380 | } | |
ceb4972a VG |
1381 | debug("Endpoints In %d Out %d Int %d\n", |
1382 | ss->ep_in, ss->ep_out, ss->ep_int); | |
affae2bf WD |
1383 | |
1384 | /* Do some basic sanity checks, and bail if we find a problem */ | |
8f8bd565 | 1385 | if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) || |
affae2bf WD |
1386 | !ss->ep_in || !ss->ep_out || |
1387 | (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { | |
ceb4972a | 1388 | debug("Problems with device\n"); |
affae2bf WD |
1389 | return 0; |
1390 | } | |
1391 | /* set class specific stuff */ | |
149dded2 WD |
1392 | /* We only handle certain protocols. Currently, these are |
1393 | * the only ones. | |
80885a9d | 1394 | * The SFF8070 accepts the requests used in u-boot |
affae2bf | 1395 | */ |
80885a9d WD |
1396 | if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI && |
1397 | ss->subclass != US_SC_8070) { | |
a0cb3fc3 | 1398 | printf("Sorry, protocol %d not yet supported.\n", ss->subclass); |
affae2bf WD |
1399 | return 0; |
1400 | } | |
a0cb3fc3 MT |
1401 | if (ss->ep_int) { |
1402 | /* we had found an interrupt endpoint, prepare irq pipe | |
1403 | * set up the IRQ pipe and handler | |
1404 | */ | |
affae2bf WD |
1405 | ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255; |
1406 | ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int); | |
1407 | ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe); | |
a0cb3fc3 | 1408 | dev->irq_handle = usb_stor_irq; |
affae2bf | 1409 | } |
a0cb3fc3 | 1410 | dev->privptr = (void *)ss; |
affae2bf WD |
1411 | return 1; |
1412 | } | |
1413 | ||
a0cb3fc3 | 1414 | int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, |
4101f687 | 1415 | struct blk_desc *dev_desc) |
affae2bf | 1416 | { |
a0cb3fc3 | 1417 | unsigned char perq, modi; |
f6570871 ST |
1418 | ALLOC_CACHE_ALIGN_BUFFER(u32, cap, 2); |
1419 | ALLOC_CACHE_ALIGN_BUFFER(u8, usb_stor_buf, 36); | |
1420 | u32 capacity, blksz; | |
9c998aa8 WD |
1421 | ccb *pccb = &usb_ccb; |
1422 | ||
9c998aa8 WD |
1423 | pccb->pdata = usb_stor_buf; |
1424 | ||
1425 | dev_desc->target = dev->devnum; | |
1426 | pccb->lun = dev_desc->lun; | |
ceb4972a | 1427 | debug(" address %d\n", dev_desc->target); |
affae2bf | 1428 | |
1d5827a1 SG |
1429 | if (usb_inquiry(pccb, ss)) { |
1430 | debug("%s: usb_inquiry() failed\n", __func__); | |
affae2bf | 1431 | return -1; |
1d5827a1 | 1432 | } |
095b8a37 | 1433 | |
9c998aa8 WD |
1434 | perq = usb_stor_buf[0]; |
1435 | modi = usb_stor_buf[1]; | |
a0cb3fc3 | 1436 | |
6a559bbe SM |
1437 | /* |
1438 | * Skip unknown devices (0x1f) and enclosure service devices (0x0d), | |
1439 | * they would not respond to test_unit_ready . | |
1440 | */ | |
1441 | if (((perq & 0x1f) == 0x1f) || ((perq & 0x1f) == 0x0d)) { | |
1d5827a1 | 1442 | debug("%s: unknown/unsupported device\n", __func__); |
a0cb3fc3 | 1443 | return 0; |
affae2bf | 1444 | } |
a0cb3fc3 MT |
1445 | if ((modi&0x80) == 0x80) { |
1446 | /* drive is removable */ | |
9c998aa8 | 1447 | dev_desc->removable = 1; |
affae2bf | 1448 | } |
f6570871 ST |
1449 | memcpy(dev_desc->vendor, (const void *)&usb_stor_buf[8], 8); |
1450 | memcpy(dev_desc->product, (const void *)&usb_stor_buf[16], 16); | |
1451 | memcpy(dev_desc->revision, (const void *)&usb_stor_buf[32], 4); | |
9c998aa8 WD |
1452 | dev_desc->vendor[8] = 0; |
1453 | dev_desc->product[16] = 0; | |
1454 | dev_desc->revision[4] = 0; | |
ddde6b7c | 1455 | #ifdef CONFIG_USB_BIN_FIXUP |
a0cb3fc3 MT |
1456 | usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, |
1457 | (uchar *)dev_desc->product); | |
ddde6b7c | 1458 | #endif /* CONFIG_USB_BIN_FIXUP */ |
ceb4972a VG |
1459 | debug("ISO Vers %X, Response Data %X\n", usb_stor_buf[2], |
1460 | usb_stor_buf[3]); | |
a0cb3fc3 MT |
1461 | if (usb_test_unit_ready(pccb, ss)) { |
1462 | printf("Device NOT ready\n" | |
1463 | " Request Sense returned %02X %02X %02X\n", | |
1464 | pccb->sense_buf[2], pccb->sense_buf[12], | |
1465 | pccb->sense_buf[13]); | |
1466 | if (dev_desc->removable == 1) { | |
9c998aa8 | 1467 | dev_desc->type = perq; |
affae2bf WD |
1468 | return 1; |
1469 | } | |
a0cb3fc3 | 1470 | return 0; |
affae2bf | 1471 | } |
f6570871 | 1472 | pccb->pdata = (unsigned char *)cap; |
a0cb3fc3 MT |
1473 | memset(pccb->pdata, 0, 8); |
1474 | if (usb_read_capacity(pccb, ss) != 0) { | |
affae2bf | 1475 | printf("READ_CAP ERROR\n"); |
9c998aa8 WD |
1476 | cap[0] = 2880; |
1477 | cap[1] = 0x200; | |
affae2bf | 1478 | } |
3e8581bb | 1479 | ss->flags &= ~USB_READY; |
f6570871 | 1480 | debug("Read Capacity returns: 0x%08x, 0x%08x\n", cap[0], cap[1]); |
affae2bf | 1481 | #if 0 |
a0cb3fc3 MT |
1482 | if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ |
1483 | cap[0] >>= 16; | |
f6570871 | 1484 | |
c918261c CE |
1485 | cap[0] = cpu_to_be32(cap[0]); |
1486 | cap[1] = cpu_to_be32(cap[1]); | |
f6570871 ST |
1487 | #endif |
1488 | ||
1489 | capacity = be32_to_cpu(cap[0]) + 1; | |
1490 | blksz = be32_to_cpu(cap[1]); | |
c918261c | 1491 | |
f6570871 ST |
1492 | debug("Capacity = 0x%08x, blocksz = 0x%08x\n", capacity, blksz); |
1493 | dev_desc->lba = capacity; | |
1494 | dev_desc->blksz = blksz; | |
0472fbfd | 1495 | dev_desc->log2blksz = LOG2(dev_desc->blksz); |
9c998aa8 | 1496 | dev_desc->type = perq; |
ceb4972a | 1497 | debug(" address %d\n", dev_desc->target); |
affae2bf | 1498 | |
affae2bf WD |
1499 | return 1; |
1500 | } | |
acf277af SG |
1501 | |
1502 | #ifdef CONFIG_DM_USB | |
1503 | ||
1504 | static int usb_mass_storage_probe(struct udevice *dev) | |
1505 | { | |
bcbe3d15 | 1506 | struct usb_device *udev = dev_get_parent_priv(dev); |
acf277af SG |
1507 | int ret; |
1508 | ||
1509 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1510 | ret = usb_stor_probe_device(udev); | |
1511 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
1512 | ||
1513 | return ret; | |
1514 | } | |
1515 | ||
1516 | static const struct udevice_id usb_mass_storage_ids[] = { | |
1517 | { .compatible = "usb-mass-storage" }, | |
1518 | { } | |
1519 | }; | |
1520 | ||
1521 | U_BOOT_DRIVER(usb_mass_storage) = { | |
1522 | .name = "usb_mass_storage", | |
1523 | .id = UCLASS_MASS_STORAGE, | |
1524 | .of_match = usb_mass_storage_ids, | |
1525 | .probe = usb_mass_storage_probe, | |
07b2b78c SG |
1526 | #ifdef CONFIG_BLK |
1527 | .platdata_auto_alloc_size = sizeof(struct us_data), | |
1528 | #endif | |
acf277af SG |
1529 | }; |
1530 | ||
1531 | UCLASS_DRIVER(usb_mass_storage) = { | |
1532 | .id = UCLASS_MASS_STORAGE, | |
1533 | .name = "usb_mass_storage", | |
1534 | }; | |
1535 | ||
1536 | static const struct usb_device_id mass_storage_id_table[] = { | |
1537 | { | |
1538 | .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS, | |
1539 | .bInterfaceClass = USB_CLASS_MASS_STORAGE | |
1540 | }, | |
1541 | { } /* Terminating entry */ | |
1542 | }; | |
1543 | ||
abb59cff | 1544 | U_BOOT_USB_DEVICE(usb_mass_storage, mass_storage_id_table); |
07b2b78c | 1545 | #endif |
acf277af | 1546 | |
07b2b78c SG |
1547 | #ifdef CONFIG_BLK |
1548 | static const struct blk_ops usb_storage_ops = { | |
1549 | .read = usb_stor_read, | |
1550 | .write = usb_stor_write, | |
1551 | }; | |
1552 | ||
1553 | U_BOOT_DRIVER(usb_storage_blk) = { | |
1554 | .name = "usb_storage_blk", | |
1555 | .id = UCLASS_BLK, | |
1556 | .ops = &usb_storage_ops, | |
1557 | }; | |
acf277af | 1558 | #endif |