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wdenkaffae2b2002-08-17 09:36:01 +00001/*
Wolfgang Denk460c3222005-08-04 01:14:12 +02002 * 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
wdenkaffae2b2002-08-17 09:36:01 +000012 *
wdenk149dded2003-09-10 18:20:28 +000013 * For BBB support (C) Copyright 2003
Detlev Zundel792a09e2009-05-13 10:54:10 +020014 * Gary Jennejohn, DENX Software Engineering <garyj@denx.de>
wdenk149dded2003-09-10 18:20:28 +000015 *
Wolfgang Denk460c3222005-08-04 01:14:12 +020016 * BBB support based on /sys/dev/usb/umass.c from
wdenk149dded2003-09-10 18:20:28 +000017 * FreeBSD.
wdenkaffae2b2002-08-17 09:36:01 +000018 *
19 * See file CREDITS for list of people who contributed to this
20 * project.
21 *
22 * This program is free software; you can redistribute it and/or
23 * modify it under the terms of the GNU General Public License as
24 * published by the Free Software Foundation; either version 2 of
25 * the License, or (at your option) any later version.
26 *
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wdenk80885a92004-02-26 23:46:20 +000029 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wdenkaffae2b2002-08-17 09:36:01 +000030 * GNU General Public License for more details.
31 *
32 * You should have received a copy of the GNU General Public License
33 * along with this program; if not, write to the Free Software
34 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
35 * MA 02111-1307 USA
36 *
37 */
38
39/* Note:
40 * Currently only the CBI transport protocoll has been implemented, and it
41 * is only tested with a TEAC USB Floppy. Other Massstorages with CBI or CB
42 * transport protocoll may work as well.
43 */
wdenk149dded2003-09-10 18:20:28 +000044/*
45 * New Note:
46 * Support for USB Mass Storage Devices (BBB) has been added. It has
47 * only been tested with USB memory sticks.
wdenk149dded2003-09-10 18:20:28 +000048 */
wdenkaffae2b2002-08-17 09:36:01 +000049
50
wdenkaffae2b2002-08-17 09:36:01 +000051#include <common.h>
52#include <command.h>
Christian Eggersc9182612008-05-21 22:12:00 +020053#include <asm/byteorder.h>
wdenkaffae2b2002-08-17 09:36:01 +000054#include <asm/processor.h>
55
Grant Likely735dd972007-02-20 09:04:34 +010056#include <part.h>
wdenkaffae2b2002-08-17 09:36:01 +000057#include <usb.h>
58
wdenk80885a92004-02-26 23:46:20 +000059#undef USB_STOR_DEBUG
60#undef BBB_COMDAT_TRACE
61#undef BBB_XPORT_TRACE
wdenkaffae2b2002-08-17 09:36:01 +000062
63#ifdef USB_STOR_DEBUG
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +010064#define USB_STOR_PRINTF(fmt, args...) printf(fmt , ##args)
wdenkaffae2b2002-08-17 09:36:01 +000065#else
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +010066#define USB_STOR_PRINTF(fmt, args...)
wdenkaffae2b2002-08-17 09:36:01 +000067#endif
68
69#include <scsi.h>
70/* direction table -- this indicates the direction of the data
71 * transfer for each command code -- a 1 indicates input
72 */
73unsigned char us_direction[256/8] = {
74 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77,
75 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
76 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01,
77 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
78};
79#define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1)
80
81static unsigned char usb_stor_buf[512];
82static ccb usb_ccb;
83
84/*
85 * CBI style
86 */
87
88#define US_CBI_ADSC 0
89
wdenk149dded2003-09-10 18:20:28 +000090/*
91 * BULK only
92 */
93#define US_BBB_RESET 0xff
94#define US_BBB_GET_MAX_LUN 0xfe
95
96/* Command Block Wrapper */
97typedef struct {
98 __u32 dCBWSignature;
99# define CBWSIGNATURE 0x43425355
100 __u32 dCBWTag;
101 __u32 dCBWDataTransferLength;
102 __u8 bCBWFlags;
103# define CBWFLAGS_OUT 0x00
104# define CBWFLAGS_IN 0x80
105 __u8 bCBWLUN;
106 __u8 bCDBLength;
107# define CBWCDBLENGTH 16
108 __u8 CBWCDB[CBWCDBLENGTH];
109} umass_bbb_cbw_t;
wdenk80885a92004-02-26 23:46:20 +0000110#define UMASS_BBB_CBW_SIZE 31
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100111static __u32 CBWTag;
wdenk149dded2003-09-10 18:20:28 +0000112
113/* Command Status Wrapper */
114typedef struct {
115 __u32 dCSWSignature;
116# define CSWSIGNATURE 0x53425355
117 __u32 dCSWTag;
118 __u32 dCSWDataResidue;
119 __u8 bCSWStatus;
120# define CSWSTATUS_GOOD 0x0
wdenk80885a92004-02-26 23:46:20 +0000121# define CSWSTATUS_FAILED 0x1
wdenk149dded2003-09-10 18:20:28 +0000122# define CSWSTATUS_PHASE 0x2
123} umass_bbb_csw_t;
wdenk80885a92004-02-26 23:46:20 +0000124#define UMASS_BBB_CSW_SIZE 13
wdenkaffae2b2002-08-17 09:36:01 +0000125
126#define USB_MAX_STOR_DEV 5
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100127static int usb_max_devs; /* number of highest available usb device */
wdenkaffae2b2002-08-17 09:36:01 +0000128
129static block_dev_desc_t usb_dev_desc[USB_MAX_STOR_DEV];
130
131struct us_data;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100132typedef int (*trans_cmnd)(ccb *cb, struct us_data *data);
133typedef int (*trans_reset)(struct us_data *data);
wdenkaffae2b2002-08-17 09:36:01 +0000134
135struct us_data {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100136 struct usb_device *pusb_dev; /* this usb_device */
137
138 unsigned int flags; /* from filter initially */
139 unsigned char ifnum; /* interface number */
140 unsigned char ep_in; /* in endpoint */
141 unsigned char ep_out; /* out ....... */
142 unsigned char ep_int; /* interrupt . */
143 unsigned char subclass; /* as in overview */
144 unsigned char protocol; /* .............. */
145 unsigned char attention_done; /* force attn on first cmd */
146 unsigned short ip_data; /* interrupt data */
147 int action; /* what to do */
148 int ip_wanted; /* needed */
149 int *irq_handle; /* for USB int requests */
150 unsigned int irqpipe; /* pipe for release_irq */
151 unsigned char irqmaxp; /* max packed for irq Pipe */
152 unsigned char irqinterval; /* Intervall for IRQ Pipe */
153 ccb *srb; /* current srb */
154 trans_reset transport_reset; /* reset routine */
155 trans_cmnd transport; /* transport routine */
wdenkaffae2b2002-08-17 09:36:01 +0000156};
157
158static struct us_data usb_stor[USB_MAX_STOR_DEV];
159
160
wdenk80885a92004-02-26 23:46:20 +0000161#define USB_STOR_TRANSPORT_GOOD 0
wdenkaffae2b2002-08-17 09:36:01 +0000162#define USB_STOR_TRANSPORT_FAILED -1
163#define USB_STOR_TRANSPORT_ERROR -2
164
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100165int usb_stor_get_info(struct usb_device *dev, struct us_data *us,
166 block_dev_desc_t *dev_desc);
167int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,
168 struct us_data *ss);
169unsigned long usb_stor_read(int device, unsigned long blknr,
170 unsigned long blkcnt, void *buffer);
Mahavir Jain127e1082009-11-03 12:22:10 +0530171unsigned long usb_stor_write(int device, unsigned long blknr,
172 unsigned long blkcnt, const void *buffer);
wdenkaffae2b2002-08-17 09:36:01 +0000173struct usb_device * usb_get_dev_index(int index);
174void uhci_show_temp_int_td(void);
175
176block_dev_desc_t *usb_stor_get_dev(int index)
177{
Kim B. Heinoaaad1082010-03-12 15:46:56 +0200178 return (index < usb_max_devs) ? &usb_dev_desc[index] : NULL;
wdenkaffae2b2002-08-17 09:36:01 +0000179}
180
181
182void usb_show_progress(void)
183{
184 printf(".");
185}
186
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100187/*******************************************************************************
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200188 * show info on storage devices; 'usb start/init' must be invoked earlier
189 * as we only retrieve structures populated during devices initialization
190 */
Aras Vaichasf6b44e02008-03-25 12:09:07 +1100191int usb_stor_info(void)
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200192{
193 int i;
194
Aras Vaichasf6b44e02008-03-25 12:09:07 +1100195 if (usb_max_devs > 0) {
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200196 for (i = 0; i < usb_max_devs; i++) {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100197 printf(" Device %d: ", i);
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200198 dev_print(&usb_dev_desc[i]);
199 }
Markus Klotzbuecherb9e749e2008-03-26 18:26:43 +0100200 return 0;
Aras Vaichasf6b44e02008-03-25 12:09:07 +1100201 }
Wolfgang Denk1aeed8d2008-04-13 09:59:26 -0700202
Markus Klotzbuecherb9e749e2008-03-26 18:26:43 +0100203 printf("No storage devices, perhaps not 'usb start'ed..?\n");
204 return 1;
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200205}
206
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100207/*******************************************************************************
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200208 * scan the usb and reports device info
wdenkaffae2b2002-08-17 09:36:01 +0000209 * to the user if mode = 1
210 * returns current device or -1 if no
211 */
212int usb_stor_scan(int mode)
213{
214 unsigned char i;
215 struct usb_device *dev;
216
wdenk149dded2003-09-10 18:20:28 +0000217 /* GJ */
218 memset(usb_stor_buf, 0, sizeof(usb_stor_buf));
219
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100220 if (mode == 1)
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200221 printf(" scanning bus for storage devices... ");
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100222
wdenkaffae2b2002-08-17 09:36:01 +0000223 usb_disable_asynch(1); /* asynch transfer not allowed */
224
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100225 for (i = 0; i < USB_MAX_STOR_DEV; i++) {
226 memset(&usb_dev_desc[i], 0, sizeof(block_dev_desc_t));
227 usb_dev_desc[i].target = 0xff;
228 usb_dev_desc[i].if_type = IF_TYPE_USB;
229 usb_dev_desc[i].dev = i;
230 usb_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
231 usb_dev_desc[i].block_read = usb_stor_read;
Mahavir Jain127e1082009-11-03 12:22:10 +0530232 usb_dev_desc[i].block_write = usb_stor_write;
wdenkaffae2b2002-08-17 09:36:01 +0000233 }
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200234
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100235 usb_max_devs = 0;
236 for (i = 0; i < USB_MAX_DEVICE; i++) {
237 dev = usb_get_dev_index(i); /* get device */
238 USB_STOR_PRINTF("i=%d\n", i);
239 if (dev == NULL)
wdenkaffae2b2002-08-17 09:36:01 +0000240 break; /* no more devices avaiable */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100241
242 if (usb_storage_probe(dev, 0, &usb_stor[usb_max_devs])) {
243 /* ok, it is a storage devices
244 * get info and fill it in
245 */
246 if (usb_stor_get_info(dev, &usb_stor[usb_max_devs],
Kim B. Heinofac71cc2010-03-12 10:07:00 +0200247 &usb_dev_desc[usb_max_devs]) == 1)
wdenkaffae2b2002-08-17 09:36:01 +0000248 usb_max_devs++;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100249 }
250 /* if storage device */
251 if (usb_max_devs == USB_MAX_STOR_DEV) {
252 printf("max USB Storage Device reached: %d stopping\n",
253 usb_max_devs);
wdenkaffae2b2002-08-17 09:36:01 +0000254 break;
255 }
256 } /* for */
Wolfgang Denk095b8a32005-08-02 17:06:17 +0200257
wdenkaffae2b2002-08-17 09:36:01 +0000258 usb_disable_asynch(0); /* asynch transfer allowed */
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200259 printf("%d Storage Device(s) found\n", usb_max_devs);
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100260 if (usb_max_devs > 0)
wdenkaffae2b2002-08-17 09:36:01 +0000261 return 0;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100262 return -1;
wdenkaffae2b2002-08-17 09:36:01 +0000263}
264
265static int usb_stor_irq(struct usb_device *dev)
266{
267 struct us_data *us;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100268 us = (struct us_data *)dev->privptr;
wdenkaffae2b2002-08-17 09:36:01 +0000269
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100270 if (us->ip_wanted)
271 us->ip_wanted = 0;
wdenkaffae2b2002-08-17 09:36:01 +0000272 return 0;
273}
274
275
276#ifdef USB_STOR_DEBUG
277
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100278static void usb_show_srb(ccb *pccb)
wdenkaffae2b2002-08-17 09:36:01 +0000279{
280 int i;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100281 printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen);
282 for (i = 0; i < 12; i++)
283 printf("%02X ", pccb->cmd[i]);
wdenkaffae2b2002-08-17 09:36:01 +0000284 printf("\n");
285}
286
287static void display_int_status(unsigned long tmp)
288{
289 printf("Status: %s %s %s %s %s %s %s\n",
290 (tmp & USB_ST_ACTIVE) ? "Active" : "",
291 (tmp & USB_ST_STALLED) ? "Stalled" : "",
292 (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "",
293 (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "",
294 (tmp & USB_ST_NAK_REC) ? "NAKed" : "",
295 (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "",
296 (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : "");
297}
298#endif
299/***********************************************************************
300 * Data transfer routines
301 ***********************************************************************/
302
303static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length)
304{
305 int max_size;
306 int this_xfer;
307 int result;
308 int partial;
309 int maxtry;
310 int stat;
311
312 /* determine the maximum packet size for these transfers */
313 max_size = usb_maxpacket(us->pusb_dev, pipe) * 16;
314
315 /* while we have data left to transfer */
316 while (length) {
317
318 /* calculate how long this will be -- maximum or a remainder */
319 this_xfer = length > max_size ? max_size : length;
320 length -= this_xfer;
321
322 /* setup the retry counter */
323 maxtry = 10;
324
325 /* set up the transfer loop */
326 do {
327 /* transfer the data */
328 USB_STOR_PRINTF("Bulk xfer 0x%x(%d) try #%d\n",
329 (unsigned int)buf, this_xfer, 11 - maxtry);
330 result = usb_bulk_msg(us->pusb_dev, pipe, buf,
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100331 this_xfer, &partial,
332 USB_CNTL_TIMEOUT * 5);
wdenkaffae2b2002-08-17 09:36:01 +0000333 USB_STOR_PRINTF("bulk_msg returned %d xferred %d/%d\n",
334 result, partial, this_xfer);
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100335 if (us->pusb_dev->status != 0) {
336 /* if we stall, we need to clear it before
337 * we go on
338 */
wdenkaffae2b2002-08-17 09:36:01 +0000339#ifdef USB_STOR_DEBUG
340 display_int_status(us->pusb_dev->status);
341#endif
342 if (us->pusb_dev->status & USB_ST_STALLED) {
343 USB_STOR_PRINTF("stalled ->clearing endpoint halt for pipe 0x%x\n", pipe);
344 stat = us->pusb_dev->status;
345 usb_clear_halt(us->pusb_dev, pipe);
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100346 us->pusb_dev->status = stat;
347 if (this_xfer == partial) {
348 USB_STOR_PRINTF("bulk transferred with error %X, but data ok\n", us->pusb_dev->status);
wdenkaffae2b2002-08-17 09:36:01 +0000349 return 0;
350 }
351 else
352 return result;
353 }
354 if (us->pusb_dev->status & USB_ST_NAK_REC) {
355 USB_STOR_PRINTF("Device NAKed bulk_msg\n");
356 return result;
357 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100358 USB_STOR_PRINTF("bulk transferred with error");
359 if (this_xfer == partial) {
360 USB_STOR_PRINTF(" %d, but data ok\n",
361 us->pusb_dev->status);
wdenkaffae2b2002-08-17 09:36:01 +0000362 return 0;
363 }
364 /* if our try counter reaches 0, bail out */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100365 USB_STOR_PRINTF(" %d, data %d\n",
366 us->pusb_dev->status, partial);
wdenkaffae2b2002-08-17 09:36:01 +0000367 if (!maxtry--)
368 return result;
369 }
370 /* update to show what data was transferred */
371 this_xfer -= partial;
372 buf += partial;
373 /* continue until this transfer is done */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100374 } while (this_xfer);
wdenkaffae2b2002-08-17 09:36:01 +0000375 }
376
377 /* if we get here, we're done and successful */
378 return 0;
379}
380
wdenk149dded2003-09-10 18:20:28 +0000381static int usb_stor_BBB_reset(struct us_data *us)
382{
383 int result;
384 unsigned int pipe;
385
386 /*
387 * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class)
388 *
389 * For Reset Recovery the host shall issue in the following order:
390 * a) a Bulk-Only Mass Storage Reset
391 * b) a Clear Feature HALT to the Bulk-In endpoint
392 * c) a Clear Feature HALT to the Bulk-Out endpoint
393 *
394 * This is done in 3 steps.
395 *
396 * If the reset doesn't succeed, the device should be port reset.
397 *
398 * This comment stolen from FreeBSD's /sys/dev/usb/umass.c.
399 */
400 USB_STOR_PRINTF("BBB_reset\n");
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100401 result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),
402 US_BBB_RESET,
403 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
404 0, us->ifnum, 0, 0, USB_CNTL_TIMEOUT * 5);
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200405
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100406 if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) {
wdenk149dded2003-09-10 18:20:28 +0000407 USB_STOR_PRINTF("RESET:stall\n");
408 return -1;
409 }
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200410
wdenk149dded2003-09-10 18:20:28 +0000411 /* long wait for reset */
412 wait_ms(150);
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100413 USB_STOR_PRINTF("BBB_reset result %d: status %X reset\n", result,
414 us->pusb_dev->status);
wdenk149dded2003-09-10 18:20:28 +0000415 pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
416 result = usb_clear_halt(us->pusb_dev, pipe);
417 /* long wait for reset */
418 wait_ms(150);
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100419 USB_STOR_PRINTF("BBB_reset result %d: status %X clearing IN endpoint\n",
420 result, us->pusb_dev->status);
wdenk149dded2003-09-10 18:20:28 +0000421 /* long wait for reset */
422 pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
423 result = usb_clear_halt(us->pusb_dev, pipe);
424 wait_ms(150);
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100425 USB_STOR_PRINTF("BBB_reset result %d: status %X"
426 " clearing OUT endpoint\n", result,
427 us->pusb_dev->status);
wdenk149dded2003-09-10 18:20:28 +0000428 USB_STOR_PRINTF("BBB_reset done\n");
429 return 0;
430}
431
wdenkaffae2b2002-08-17 09:36:01 +0000432/* FIXME: this reset function doesn't really reset the port, and it
433 * should. Actually it should probably do what it's doing here, and
434 * reset the port physically
435 */
436static int usb_stor_CB_reset(struct us_data *us)
437{
438 unsigned char cmd[12];
439 int result;
440
441 USB_STOR_PRINTF("CB_reset\n");
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100442 memset(cmd, 0xff, sizeof(cmd));
wdenkaffae2b2002-08-17 09:36:01 +0000443 cmd[0] = SCSI_SEND_DIAG;
444 cmd[1] = 4;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100445 result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),
446 US_CBI_ADSC,
447 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
448 0, us->ifnum, cmd, sizeof(cmd),
449 USB_CNTL_TIMEOUT * 5);
wdenkaffae2b2002-08-17 09:36:01 +0000450
451 /* long wait for reset */
452 wait_ms(1500);
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100453 USB_STOR_PRINTF("CB_reset result %d: status %X"
454 " clearing endpoint halt\n", result,
455 us->pusb_dev->status);
wdenkaffae2b2002-08-17 09:36:01 +0000456 usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in));
457 usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out));
458
459 USB_STOR_PRINTF("CB_reset done\n");
460 return 0;
461}
462
wdenk149dded2003-09-10 18:20:28 +0000463/*
464 * Set up the command for a BBB device. Note that the actual SCSI
465 * command is copied into cbw.CBWCDB.
466 */
467int usb_stor_BBB_comdat(ccb *srb, struct us_data *us)
468{
469 int result;
470 int actlen;
471 int dir_in;
472 unsigned int pipe;
473 umass_bbb_cbw_t cbw;
474
475 dir_in = US_DIRECTION(srb->cmd[0]);
476
477#ifdef BBB_COMDAT_TRACE
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100478 printf("dir %d lun %d cmdlen %d cmd %p datalen %d pdata %p\n",
479 dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen,
480 srb->pdata);
wdenk149dded2003-09-10 18:20:28 +0000481 if (srb->cmdlen) {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100482 for (result = 0; result < srb->cmdlen; result++)
wdenk149dded2003-09-10 18:20:28 +0000483 printf("cmd[%d] %#x ", result, srb->cmd[result]);
484 printf("\n");
485 }
486#endif
487 /* sanity checks */
488 if (!(srb->cmdlen <= CBWCDBLENGTH)) {
489 USB_STOR_PRINTF("usb_stor_BBB_comdat:cmdlen too large\n");
490 return -1;
491 }
492
493 /* always OUT to the ep */
494 pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
495
Christian Eggersc9182612008-05-21 22:12:00 +0200496 cbw.dCBWSignature = cpu_to_le32(CBWSIGNATURE);
497 cbw.dCBWTag = cpu_to_le32(CBWTag++);
498 cbw.dCBWDataTransferLength = cpu_to_le32(srb->datalen);
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100499 cbw.bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT);
wdenk149dded2003-09-10 18:20:28 +0000500 cbw.bCBWLUN = srb->lun;
501 cbw.bCDBLength = srb->cmdlen;
502 /* copy the command data into the CBW command data buffer */
503 /* DST SRC LEN!!! */
504 memcpy(cbw.CBWCDB, srb->cmd, srb->cmdlen);
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100505 result = usb_bulk_msg(us->pusb_dev, pipe, &cbw, UMASS_BBB_CBW_SIZE,
506 &actlen, USB_CNTL_TIMEOUT * 5);
wdenk149dded2003-09-10 18:20:28 +0000507 if (result < 0)
508 USB_STOR_PRINTF("usb_stor_BBB_comdat:usb_bulk_msg error\n");
509 return result;
510}
511
wdenkaffae2b2002-08-17 09:36:01 +0000512/* FIXME: we also need a CBI_command which sets up the completion
513 * interrupt, and waits for it
514 */
515int usb_stor_CB_comdat(ccb *srb, struct us_data *us)
516{
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200517 int result = 0;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100518 int dir_in, retry;
wdenkaffae2b2002-08-17 09:36:01 +0000519 unsigned int pipe;
520 unsigned long status;
521
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100522 retry = 5;
523 dir_in = US_DIRECTION(srb->cmd[0]);
wdenkaffae2b2002-08-17 09:36:01 +0000524
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100525 if (dir_in)
526 pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
527 else
528 pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
529
530 while (retry--) {
531 USB_STOR_PRINTF("CBI gets a command: Try %d\n", 5 - retry);
wdenkaffae2b2002-08-17 09:36:01 +0000532#ifdef USB_STOR_DEBUG
533 usb_show_srb(srb);
534#endif
535 /* let's send the command via the control pipe */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100536 result = usb_control_msg(us->pusb_dev,
537 usb_sndctrlpipe(us->pusb_dev , 0),
538 US_CBI_ADSC,
539 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
wdenkaffae2b2002-08-17 09:36:01 +0000540 0, us->ifnum,
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100541 srb->cmd, srb->cmdlen,
542 USB_CNTL_TIMEOUT * 5);
543 USB_STOR_PRINTF("CB_transport: control msg returned %d,"
544 " status %X\n", result, us->pusb_dev->status);
wdenkaffae2b2002-08-17 09:36:01 +0000545 /* check the return code for the command */
546 if (result < 0) {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100547 if (us->pusb_dev->status & USB_ST_STALLED) {
548 status = us->pusb_dev->status;
549 USB_STOR_PRINTF(" stall during command found,"
550 " clear pipe\n");
551 usb_clear_halt(us->pusb_dev,
552 usb_sndctrlpipe(us->pusb_dev, 0));
553 us->pusb_dev->status = status;
wdenkaffae2b2002-08-17 09:36:01 +0000554 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100555 USB_STOR_PRINTF(" error during command %02X"
556 " Stat = %X\n", srb->cmd[0],
557 us->pusb_dev->status);
wdenkaffae2b2002-08-17 09:36:01 +0000558 return result;
559 }
560 /* transfer the data payload for this command, if one exists*/
561
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100562 USB_STOR_PRINTF("CB_transport: control msg returned %d,"
563 " direction is %s to go 0x%lx\n", result,
564 dir_in ? "IN" : "OUT", srb->datalen);
wdenkaffae2b2002-08-17 09:36:01 +0000565 if (srb->datalen) {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100566 result = us_one_transfer(us, pipe, (char *)srb->pdata,
567 srb->datalen);
568 USB_STOR_PRINTF("CBI attempted to transfer data,"
569 " result is %d status %lX, len %d\n",
570 result, us->pusb_dev->status,
571 us->pusb_dev->act_len);
572 if (!(us->pusb_dev->status & USB_ST_NAK_REC))
wdenkaffae2b2002-08-17 09:36:01 +0000573 break;
574 } /* if (srb->datalen) */
575 else
576 break;
577 }
578 /* return result */
579
580 return result;
581}
582
583
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100584int usb_stor_CBI_get_status(ccb *srb, struct us_data *us)
wdenkaffae2b2002-08-17 09:36:01 +0000585{
586 int timeout;
587
wdenk80885a92004-02-26 23:46:20 +0000588 us->ip_wanted = 1;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100589 submit_int_msg(us->pusb_dev, us->irqpipe,
wdenk80885a92004-02-26 23:46:20 +0000590 (void *) &us->ip_data, us->irqmaxp, us->irqinterval);
591 timeout = 1000;
592 while (timeout--) {
593 if ((volatile int *) us->ip_wanted == 0)
wdenkaffae2b2002-08-17 09:36:01 +0000594 break;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100595 wait_ms(10);
wdenkaffae2b2002-08-17 09:36:01 +0000596 }
597 if (us->ip_wanted) {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100598 printf(" Did not get interrupt on CBI\n");
wdenkaffae2b2002-08-17 09:36:01 +0000599 us->ip_wanted = 0;
600 return USB_STOR_TRANSPORT_ERROR;
601 }
wdenk80885a92004-02-26 23:46:20 +0000602 USB_STOR_PRINTF
603 ("Got interrupt data 0x%x, transfered %d status 0x%lX\n",
604 us->ip_data, us->pusb_dev->irq_act_len,
605 us->pusb_dev->irq_status);
wdenkaffae2b2002-08-17 09:36:01 +0000606 /* UFI gives us ASC and ASCQ, like a request sense */
607 if (us->subclass == US_SC_UFI) {
608 if (srb->cmd[0] == SCSI_REQ_SENSE ||
609 srb->cmd[0] == SCSI_INQUIRY)
610 return USB_STOR_TRANSPORT_GOOD; /* Good */
wdenk80885a92004-02-26 23:46:20 +0000611 else if (us->ip_data)
612 return USB_STOR_TRANSPORT_FAILED;
wdenkaffae2b2002-08-17 09:36:01 +0000613 else
wdenk80885a92004-02-26 23:46:20 +0000614 return USB_STOR_TRANSPORT_GOOD;
wdenkaffae2b2002-08-17 09:36:01 +0000615 }
616 /* otherwise, we interpret the data normally */
617 switch (us->ip_data) {
wdenk80885a92004-02-26 23:46:20 +0000618 case 0x0001:
619 return USB_STOR_TRANSPORT_GOOD;
620 case 0x0002:
621 return USB_STOR_TRANSPORT_FAILED;
622 default:
623 return USB_STOR_TRANSPORT_ERROR;
624 } /* switch */
wdenkaffae2b2002-08-17 09:36:01 +0000625 return USB_STOR_TRANSPORT_ERROR;
626}
627
628#define USB_TRANSPORT_UNKNOWN_RETRY 5
629#define USB_TRANSPORT_NOT_READY_RETRY 10
630
wdenk149dded2003-09-10 18:20:28 +0000631/* clear a stall on an endpoint - special for BBB devices */
632int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt)
633{
634 int result;
635
636 /* ENDPOINT_HALT = 0, so set value to 0 */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100637 result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),
wdenk149dded2003-09-10 18:20:28 +0000638 USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT,
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100639 0, endpt, 0, 0, USB_CNTL_TIMEOUT * 5);
wdenk149dded2003-09-10 18:20:28 +0000640 return result;
641}
642
643int usb_stor_BBB_transport(ccb *srb, struct us_data *us)
644{
645 int result, retry;
646 int dir_in;
647 int actlen, data_actlen;
648 unsigned int pipe, pipein, pipeout;
649 umass_bbb_csw_t csw;
650#ifdef BBB_XPORT_TRACE
651 unsigned char *ptr;
652 int index;
653#endif
654
655 dir_in = US_DIRECTION(srb->cmd[0]);
656
657 /* COMMAND phase */
658 USB_STOR_PRINTF("COMMAND phase\n");
659 result = usb_stor_BBB_comdat(srb, us);
660 if (result < 0) {
661 USB_STOR_PRINTF("failed to send CBW status %ld\n",
662 us->pusb_dev->status);
663 usb_stor_BBB_reset(us);
664 return USB_STOR_TRANSPORT_FAILED;
665 }
666 wait_ms(5);
667 pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
668 pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
669 /* DATA phase + error handling */
wdenk149dded2003-09-10 18:20:28 +0000670 data_actlen = 0;
671 /* no data, go immediately to the STATUS phase */
672 if (srb->datalen == 0)
673 goto st;
wdenk80885a92004-02-26 23:46:20 +0000674 USB_STOR_PRINTF("DATA phase\n");
wdenk149dded2003-09-10 18:20:28 +0000675 if (dir_in)
676 pipe = pipein;
677 else
678 pipe = pipeout;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100679 result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen,
680 &data_actlen, USB_CNTL_TIMEOUT * 5);
wdenk149dded2003-09-10 18:20:28 +0000681 /* special handling of STALL in DATA phase */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100682 if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) {
wdenka43278a2003-09-11 19:48:06 +0000683 USB_STOR_PRINTF("DATA:stall\n");
wdenk149dded2003-09-10 18:20:28 +0000684 /* clear the STALL on the endpoint */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100685 result = usb_stor_BBB_clear_endpt_stall(us,
686 dir_in ? us->ep_in : us->ep_out);
wdenk149dded2003-09-10 18:20:28 +0000687 if (result >= 0)
688 /* continue on to STATUS phase */
689 goto st;
690 }
691 if (result < 0) {
692 USB_STOR_PRINTF("usb_bulk_msg error status %ld\n",
693 us->pusb_dev->status);
694 usb_stor_BBB_reset(us);
695 return USB_STOR_TRANSPORT_FAILED;
696 }
697#ifdef BBB_XPORT_TRACE
698 for (index = 0; index < data_actlen; index++)
699 printf("pdata[%d] %#x ", index, srb->pdata[index]);
700 printf("\n");
701#endif
702 /* STATUS phase + error handling */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100703st:
wdenk149dded2003-09-10 18:20:28 +0000704 retry = 0;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100705again:
wdenk149dded2003-09-10 18:20:28 +0000706 USB_STOR_PRINTF("STATUS phase\n");
Wolfgang Denk095b8a32005-08-02 17:06:17 +0200707 result = usb_bulk_msg(us->pusb_dev, pipein, &csw, UMASS_BBB_CSW_SIZE,
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200708 &actlen, USB_CNTL_TIMEOUT*5);
709
wdenk149dded2003-09-10 18:20:28 +0000710 /* special handling of STALL in STATUS phase */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100711 if ((result < 0) && (retry < 1) &&
712 (us->pusb_dev->status & USB_ST_STALLED)) {
wdenk149dded2003-09-10 18:20:28 +0000713 USB_STOR_PRINTF("STATUS:stall\n");
714 /* clear the STALL on the endpoint */
715 result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in);
716 if (result >= 0 && (retry++ < 1))
717 /* do a retry */
718 goto again;
719 }
720 if (result < 0) {
721 USB_STOR_PRINTF("usb_bulk_msg error status %ld\n",
722 us->pusb_dev->status);
723 usb_stor_BBB_reset(us);
724 return USB_STOR_TRANSPORT_FAILED;
725 }
726#ifdef BBB_XPORT_TRACE
727 ptr = (unsigned char *)&csw;
728 for (index = 0; index < UMASS_BBB_CSW_SIZE; index++)
729 printf("ptr[%d] %#x ", index, ptr[index]);
730 printf("\n");
731#endif
732 /* misuse pipe to get the residue */
Christian Eggersc9182612008-05-21 22:12:00 +0200733 pipe = le32_to_cpu(csw.dCSWDataResidue);
wdenk149dded2003-09-10 18:20:28 +0000734 if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0)
735 pipe = srb->datalen - data_actlen;
Christian Eggersc9182612008-05-21 22:12:00 +0200736 if (CSWSIGNATURE != le32_to_cpu(csw.dCSWSignature)) {
wdenk149dded2003-09-10 18:20:28 +0000737 USB_STOR_PRINTF("!CSWSIGNATURE\n");
738 usb_stor_BBB_reset(us);
739 return USB_STOR_TRANSPORT_FAILED;
Christian Eggersc9182612008-05-21 22:12:00 +0200740 } else if ((CBWTag - 1) != le32_to_cpu(csw.dCSWTag)) {
wdenk149dded2003-09-10 18:20:28 +0000741 USB_STOR_PRINTF("!Tag\n");
742 usb_stor_BBB_reset(us);
743 return USB_STOR_TRANSPORT_FAILED;
744 } else if (csw.bCSWStatus > CSWSTATUS_PHASE) {
745 USB_STOR_PRINTF(">PHASE\n");
746 usb_stor_BBB_reset(us);
747 return USB_STOR_TRANSPORT_FAILED;
748 } else if (csw.bCSWStatus == CSWSTATUS_PHASE) {
749 USB_STOR_PRINTF("=PHASE\n");
750 usb_stor_BBB_reset(us);
751 return USB_STOR_TRANSPORT_FAILED;
752 } else if (data_actlen > srb->datalen) {
753 USB_STOR_PRINTF("transferred %dB instead of %dB\n",
754 data_actlen, srb->datalen);
755 return USB_STOR_TRANSPORT_FAILED;
756 } else if (csw.bCSWStatus == CSWSTATUS_FAILED) {
757 USB_STOR_PRINTF("FAILED\n");
758 return USB_STOR_TRANSPORT_FAILED;
759 }
760
761 return result;
762}
763
wdenkaffae2b2002-08-17 09:36:01 +0000764int usb_stor_CB_transport(ccb *srb, struct us_data *us)
765{
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100766 int result, status;
wdenkaffae2b2002-08-17 09:36:01 +0000767 ccb *psrb;
768 ccb reqsrb;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100769 int retry, notready;
wdenkaffae2b2002-08-17 09:36:01 +0000770
Wolfgang Denkd0ff51b2008-07-14 15:19:07 +0200771 psrb = &reqsrb;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100772 status = USB_STOR_TRANSPORT_GOOD;
773 retry = 0;
774 notready = 0;
wdenkaffae2b2002-08-17 09:36:01 +0000775 /* issue the command */
776do_retry:
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100777 result = usb_stor_CB_comdat(srb, us);
778 USB_STOR_PRINTF("command / Data returned %d, status %X\n",
779 result, us->pusb_dev->status);
wdenkaffae2b2002-08-17 09:36:01 +0000780 /* if this is an CBI Protocol, get IRQ */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100781 if (us->protocol == US_PR_CBI) {
782 status = usb_stor_CBI_get_status(srb, us);
wdenkaffae2b2002-08-17 09:36:01 +0000783 /* if the status is error, report it */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100784 if (status == USB_STOR_TRANSPORT_ERROR) {
wdenkaffae2b2002-08-17 09:36:01 +0000785 USB_STOR_PRINTF(" USB CBI Command Error\n");
786 return status;
787 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100788 srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8);
789 srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff);
790 if (!us->ip_data) {
791 /* if the status is good, report it */
792 if (status == USB_STOR_TRANSPORT_GOOD) {
wdenkaffae2b2002-08-17 09:36:01 +0000793 USB_STOR_PRINTF(" USB CBI Command Good\n");
794 return status;
795 }
796 }
797 }
798 /* do we have to issue an auto request? */
799 /* HERE we have to check the result */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100800 if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) {
801 USB_STOR_PRINTF("ERROR %X\n", us->pusb_dev->status);
wdenkaffae2b2002-08-17 09:36:01 +0000802 us->transport_reset(us);
803 return USB_STOR_TRANSPORT_ERROR;
804 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100805 if ((us->protocol == US_PR_CBI) &&
806 ((srb->cmd[0] == SCSI_REQ_SENSE) ||
807 (srb->cmd[0] == SCSI_INQUIRY))) {
808 /* do not issue an autorequest after request sense */
wdenkaffae2b2002-08-17 09:36:01 +0000809 USB_STOR_PRINTF("No auto request and good\n");
810 return USB_STOR_TRANSPORT_GOOD;
811 }
812 /* issue an request_sense */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100813 memset(&psrb->cmd[0], 0, 12);
814 psrb->cmd[0] = SCSI_REQ_SENSE;
815 psrb->cmd[1] = srb->lun << 5;
816 psrb->cmd[4] = 18;
817 psrb->datalen = 18;
Wolfgang Denkd0ff51b2008-07-14 15:19:07 +0200818 psrb->pdata = &srb->sense_buf[0];
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100819 psrb->cmdlen = 12;
wdenkaffae2b2002-08-17 09:36:01 +0000820 /* issue the command */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100821 result = usb_stor_CB_comdat(psrb, us);
822 USB_STOR_PRINTF("auto request returned %d\n", result);
wdenkaffae2b2002-08-17 09:36:01 +0000823 /* if this is an CBI Protocol, get IRQ */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100824 if (us->protocol == US_PR_CBI)
825 status = usb_stor_CBI_get_status(psrb, us);
826
827 if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) {
828 USB_STOR_PRINTF(" AUTO REQUEST ERROR %d\n",
829 us->pusb_dev->status);
wdenkaffae2b2002-08-17 09:36:01 +0000830 return USB_STOR_TRANSPORT_ERROR;
831 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100832 USB_STOR_PRINTF("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n",
833 srb->sense_buf[0], srb->sense_buf[2],
834 srb->sense_buf[12], srb->sense_buf[13]);
wdenkaffae2b2002-08-17 09:36:01 +0000835 /* Check the auto request result */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100836 if ((srb->sense_buf[2] == 0) &&
837 (srb->sense_buf[12] == 0) &&
838 (srb->sense_buf[13] == 0)) {
839 /* ok, no sense */
wdenkaffae2b2002-08-17 09:36:01 +0000840 return USB_STOR_TRANSPORT_GOOD;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100841 }
842
wdenkaffae2b2002-08-17 09:36:01 +0000843 /* Check the auto request result */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100844 switch (srb->sense_buf[2]) {
845 case 0x01:
846 /* Recovered Error */
wdenk149dded2003-09-10 18:20:28 +0000847 return USB_STOR_TRANSPORT_GOOD;
wdenk80885a92004-02-26 23:46:20 +0000848 break;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100849 case 0x02:
850 /* Not Ready */
851 if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) {
852 printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X"
853 " 0x%02X (NOT READY)\n", srb->cmd[0],
854 srb->sense_buf[0], srb->sense_buf[2],
855 srb->sense_buf[12], srb->sense_buf[13]);
wdenk149dded2003-09-10 18:20:28 +0000856 return USB_STOR_TRANSPORT_FAILED;
857 } else {
858 wait_ms(100);
859 goto do_retry;
860 }
861 break;
862 default:
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100863 if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) {
864 printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X"
865 " 0x%02X\n", srb->cmd[0], srb->sense_buf[0],
866 srb->sense_buf[2], srb->sense_buf[12],
867 srb->sense_buf[13]);
wdenk149dded2003-09-10 18:20:28 +0000868 return USB_STOR_TRANSPORT_FAILED;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100869 } else
wdenk149dded2003-09-10 18:20:28 +0000870 goto do_retry;
wdenk149dded2003-09-10 18:20:28 +0000871 break;
wdenkaffae2b2002-08-17 09:36:01 +0000872 }
873 return USB_STOR_TRANSPORT_FAILED;
874}
875
876
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100877static int usb_inquiry(ccb *srb, struct us_data *ss)
wdenkaffae2b2002-08-17 09:36:01 +0000878{
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100879 int retry, i;
880 retry = 5;
wdenkaffae2b2002-08-17 09:36:01 +0000881 do {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100882 memset(&srb->cmd[0], 0, 12);
883 srb->cmd[0] = SCSI_INQUIRY;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100884 srb->cmd[4] = 36;
885 srb->datalen = 36;
886 srb->cmdlen = 12;
887 i = ss->transport(srb, ss);
888 USB_STOR_PRINTF("inquiry returns %d\n", i);
889 if (i == 0)
wdenkaffae2b2002-08-17 09:36:01 +0000890 break;
Kim B. Heinofac71cc2010-03-12 10:07:00 +0200891 } while (--retry);
wdenk149dded2003-09-10 18:20:28 +0000892
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100893 if (!retry) {
wdenkaffae2b2002-08-17 09:36:01 +0000894 printf("error in inquiry\n");
895 return -1;
896 }
897 return 0;
898}
899
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100900static int usb_request_sense(ccb *srb, struct us_data *ss)
wdenkaffae2b2002-08-17 09:36:01 +0000901{
902 char *ptr;
wdenk80885a92004-02-26 23:46:20 +0000903
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100904 ptr = (char *)srb->pdata;
905 memset(&srb->cmd[0], 0, 12);
906 srb->cmd[0] = SCSI_REQ_SENSE;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100907 srb->cmd[4] = 18;
908 srb->datalen = 18;
Wolfgang Denkd0ff51b2008-07-14 15:19:07 +0200909 srb->pdata = &srb->sense_buf[0];
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100910 srb->cmdlen = 12;
911 ss->transport(srb, ss);
912 USB_STOR_PRINTF("Request Sense returned %02X %02X %02X\n",
913 srb->sense_buf[2], srb->sense_buf[12],
914 srb->sense_buf[13]);
915 srb->pdata = (uchar *)ptr;
wdenkaffae2b2002-08-17 09:36:01 +0000916 return 0;
917}
918
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100919static int usb_test_unit_ready(ccb *srb, struct us_data *ss)
wdenkaffae2b2002-08-17 09:36:01 +0000920{
Wolfgang Denk9c998aa2005-07-21 11:57:57 +0200921 int retries = 10;
wdenk149dded2003-09-10 18:20:28 +0000922
wdenkaffae2b2002-08-17 09:36:01 +0000923 do {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100924 memset(&srb->cmd[0], 0, 12);
925 srb->cmd[0] = SCSI_TST_U_RDY;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100926 srb->datalen = 0;
927 srb->cmdlen = 12;
928 if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD)
wdenkaffae2b2002-08-17 09:36:01 +0000929 return 0;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100930 usb_request_sense(srb, ss);
931 wait_ms(100);
932 } while (retries--);
wdenk149dded2003-09-10 18:20:28 +0000933
wdenkaffae2b2002-08-17 09:36:01 +0000934 return -1;
935}
936
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100937static int usb_read_capacity(ccb *srb, struct us_data *ss)
wdenkaffae2b2002-08-17 09:36:01 +0000938{
939 int retry;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100940 /* XXX retries */
941 retry = 3;
wdenkaffae2b2002-08-17 09:36:01 +0000942 do {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100943 memset(&srb->cmd[0], 0, 12);
944 srb->cmd[0] = SCSI_RD_CAPAC;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100945 srb->datalen = 8;
946 srb->cmdlen = 12;
947 if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD)
wdenkaffae2b2002-08-17 09:36:01 +0000948 return 0;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100949 } while (retry--);
wdenk149dded2003-09-10 18:20:28 +0000950
wdenkaffae2b2002-08-17 09:36:01 +0000951 return -1;
952}
953
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100954static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start,
955 unsigned short blocks)
wdenkaffae2b2002-08-17 09:36:01 +0000956{
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100957 memset(&srb->cmd[0], 0, 12);
958 srb->cmd[0] = SCSI_READ10;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +0100959 srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff;
960 srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff;
961 srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff;
962 srb->cmd[5] = ((unsigned char) (start)) & 0xff;
963 srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff;
964 srb->cmd[8] = (unsigned char) blocks & 0xff;
965 srb->cmdlen = 12;
966 USB_STOR_PRINTF("read10: start %lx blocks %x\n", start, blocks);
967 return ss->transport(srb, ss);
wdenkaffae2b2002-08-17 09:36:01 +0000968}
969
Mahavir Jain127e1082009-11-03 12:22:10 +0530970static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start,
971 unsigned short blocks)
972{
973 memset(&srb->cmd[0], 0, 12);
974 srb->cmd[0] = SCSI_WRITE10;
975 srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff;
976 srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff;
977 srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff;
978 srb->cmd[5] = ((unsigned char) (start)) & 0xff;
979 srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff;
980 srb->cmd[8] = (unsigned char) blocks & 0xff;
981 srb->cmdlen = 12;
982 USB_STOR_PRINTF("write10: start %lx blocks %x\n", start, blocks);
983 return ss->transport(srb, ss);
984}
985
wdenkaffae2b2002-08-17 09:36:01 +0000986
Bartlomiej Siekaddde6b72006-08-22 10:38:18 +0200987#ifdef CONFIG_USB_BIN_FIXUP
988/*
989 * Some USB storage devices queried for SCSI identification data respond with
990 * binary strings, which if output to the console freeze the terminal. The
991 * workaround is to modify the vendor and product strings read from such
992 * device with proper values (as reported by 'usb info').
993 *
994 * Vendor and product length limits are taken from the definition of
995 * block_dev_desc_t in include/part.h.
996 */
997static void usb_bin_fixup(struct usb_device_descriptor descriptor,
998 unsigned char vendor[],
999 unsigned char product[]) {
1000 const unsigned char max_vendor_len = 40;
1001 const unsigned char max_product_len = 20;
1002 if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001003 strncpy((char *)vendor, "SMSC", max_vendor_len);
1004 strncpy((char *)product, "Flash Media Cntrller",
1005 max_product_len);
Bartlomiej Siekaddde6b72006-08-22 10:38:18 +02001006 }
1007}
1008#endif /* CONFIG_USB_BIN_FIXUP */
1009
wdenkaffae2b2002-08-17 09:36:01 +00001010#define USB_MAX_READ_BLK 20
1011
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001012unsigned long usb_stor_read(int device, unsigned long blknr,
1013 unsigned long blkcnt, void *buffer)
wdenkaffae2b2002-08-17 09:36:01 +00001014{
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001015 unsigned long start, blks, buf_addr;
wdenkaffae2b2002-08-17 09:36:01 +00001016 unsigned short smallblks;
1017 struct usb_device *dev;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001018 int retry, i;
wdenkf8d813e2004-03-02 14:05:39 +00001019 ccb *srb = &usb_ccb;
1020
1021 if (blkcnt == 0)
1022 return 0;
1023
1024 device &= 0xff;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001025 /* Setup device */
1026 USB_STOR_PRINTF("\nusb_read: dev %d \n", device);
1027 dev = NULL;
1028 for (i = 0; i < USB_MAX_DEVICE; i++) {
1029 dev = usb_get_dev_index(i);
1030 if (dev == NULL)
wdenkaffae2b2002-08-17 09:36:01 +00001031 return 0;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001032 if (dev->devnum == usb_dev_desc[device].target)
wdenkaffae2b2002-08-17 09:36:01 +00001033 break;
1034 }
1035
1036 usb_disable_asynch(1); /* asynch transfer not allowed */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001037 srb->lun = usb_dev_desc[device].lun;
1038 buf_addr = (unsigned long)buffer;
1039 start = blknr;
1040 blks = blkcnt;
1041 if (usb_test_unit_ready(srb, (struct us_data *)dev->privptr)) {
1042 printf("Device NOT ready\n Request Sense returned %02X %02X"
1043 " %02X\n", srb->sense_buf[2], srb->sense_buf[12],
1044 srb->sense_buf[13]);
wdenkaffae2b2002-08-17 09:36:01 +00001045 return 0;
1046 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001047
1048 USB_STOR_PRINTF("\nusb_read: dev %d startblk %lx, blccnt %lx"
1049 " buffer %lx\n", device, start, blks, buf_addr);
1050
wdenkaffae2b2002-08-17 09:36:01 +00001051 do {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001052 /* XXX need some comment here */
1053 retry = 2;
1054 srb->pdata = (unsigned char *)buf_addr;
1055 if (blks > USB_MAX_READ_BLK)
1056 smallblks = USB_MAX_READ_BLK;
1057 else
1058 smallblks = (unsigned short) blks;
wdenkaffae2b2002-08-17 09:36:01 +00001059retry_it:
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001060 if (smallblks == USB_MAX_READ_BLK)
wdenkaffae2b2002-08-17 09:36:01 +00001061 usb_show_progress();
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001062 srb->datalen = usb_dev_desc[device].blksz * smallblks;
1063 srb->pdata = (unsigned char *)buf_addr;
1064 if (usb_read_10(srb, (struct us_data *)dev->privptr, start,
1065 smallblks)) {
wdenkaffae2b2002-08-17 09:36:01 +00001066 USB_STOR_PRINTF("Read ERROR\n");
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001067 usb_request_sense(srb, (struct us_data *)dev->privptr);
1068 if (retry--)
wdenkaffae2b2002-08-17 09:36:01 +00001069 goto retry_it;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001070 blkcnt -= blks;
wdenkaffae2b2002-08-17 09:36:01 +00001071 break;
1072 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001073 start += smallblks;
1074 blks -= smallblks;
1075 buf_addr += srb->datalen;
1076 } while (blks != 0);
1077
1078 USB_STOR_PRINTF("usb_read: end startblk %lx, blccnt %x buffer %lx\n",
1079 start, smallblks, buf_addr);
1080
wdenkaffae2b2002-08-17 09:36:01 +00001081 usb_disable_asynch(0); /* asynch transfer allowed */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001082 if (blkcnt >= USB_MAX_READ_BLK)
wdenkaffae2b2002-08-17 09:36:01 +00001083 printf("\n");
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001084 return blkcnt;
wdenkaffae2b2002-08-17 09:36:01 +00001085}
1086
Mahavir Jain127e1082009-11-03 12:22:10 +05301087#define USB_MAX_WRITE_BLK 20
1088
1089unsigned long usb_stor_write(int device, unsigned long blknr,
1090 unsigned long blkcnt, const void *buffer)
1091{
1092 unsigned long start, blks, buf_addr;
1093 unsigned short smallblks;
1094 struct usb_device *dev;
1095 int retry, i;
1096 ccb *srb = &usb_ccb;
1097
1098 if (blkcnt == 0)
1099 return 0;
1100
1101 device &= 0xff;
1102 /* Setup device */
1103 USB_STOR_PRINTF("\nusb_write: dev %d \n", device);
1104 dev = NULL;
1105 for (i = 0; i < USB_MAX_DEVICE; i++) {
1106 dev = usb_get_dev_index(i);
1107 if (dev == NULL)
1108 return 0;
1109 if (dev->devnum == usb_dev_desc[device].target)
1110 break;
1111 }
1112
1113 usb_disable_asynch(1); /* asynch transfer not allowed */
1114
1115 srb->lun = usb_dev_desc[device].lun;
1116 buf_addr = (unsigned long)buffer;
1117 start = blknr;
1118 blks = blkcnt;
1119 if (usb_test_unit_ready(srb, (struct us_data *)dev->privptr)) {
1120 printf("Device NOT ready\n Request Sense returned %02X %02X"
1121 " %02X\n", srb->sense_buf[2], srb->sense_buf[12],
1122 srb->sense_buf[13]);
1123 return 0;
1124 }
1125
1126 USB_STOR_PRINTF("\nusb_write: dev %d startblk %lx, blccnt %lx"
1127 " buffer %lx\n", device, start, blks, buf_addr);
1128
1129 do {
1130 /* If write fails retry for max retry count else
1131 * return with number of blocks written successfully.
1132 */
1133 retry = 2;
1134 srb->pdata = (unsigned char *)buf_addr;
1135 if (blks > USB_MAX_WRITE_BLK)
1136 smallblks = USB_MAX_WRITE_BLK;
1137 else
1138 smallblks = (unsigned short) blks;
1139retry_it:
1140 if (smallblks == USB_MAX_WRITE_BLK)
1141 usb_show_progress();
1142 srb->datalen = usb_dev_desc[device].blksz * smallblks;
1143 srb->pdata = (unsigned char *)buf_addr;
1144 if (usb_write_10(srb, (struct us_data *)dev->privptr, start,
1145 smallblks)) {
1146 USB_STOR_PRINTF("Write ERROR\n");
1147 usb_request_sense(srb, (struct us_data *)dev->privptr);
1148 if (retry--)
1149 goto retry_it;
1150 blkcnt -= blks;
1151 break;
1152 }
1153 start += smallblks;
1154 blks -= smallblks;
1155 buf_addr += srb->datalen;
1156 } while (blks != 0);
1157
1158 USB_STOR_PRINTF("usb_write: end startblk %lx, blccnt %x buffer %lx\n",
1159 start, smallblks, buf_addr);
1160
1161 usb_disable_asynch(0); /* asynch transfer allowed */
1162 if (blkcnt >= USB_MAX_WRITE_BLK)
1163 printf("\n");
1164 return blkcnt;
1165
1166}
wdenkaffae2b2002-08-17 09:36:01 +00001167
1168/* Probe to see if a new device is actually a Storage device */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001169int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,
1170 struct us_data *ss)
wdenkaffae2b2002-08-17 09:36:01 +00001171{
Tom Rix8f8bd562009-10-31 12:37:38 -05001172 struct usb_interface *iface;
wdenkaffae2b2002-08-17 09:36:01 +00001173 int i;
1174 unsigned int flags = 0;
1175
1176 int protocol = 0;
1177 int subclass = 0;
1178
wdenkaffae2b2002-08-17 09:36:01 +00001179 /* let's examine the device now */
1180 iface = &dev->config.if_desc[ifnum];
1181
1182#if 0
1183 /* this is the place to patch some storage devices */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001184 USB_STOR_PRINTF("iVendor %X iProduct %X\n", dev->descriptor.idVendor,
1185 dev->descriptor.idProduct);
1186
1187 if ((dev->descriptor.idVendor) == 0x066b &&
1188 (dev->descriptor.idProduct) == 0x0103) {
wdenkaffae2b2002-08-17 09:36:01 +00001189 USB_STOR_PRINTF("patched for E-USB\n");
1190 protocol = US_PR_CB;
1191 subclass = US_SC_UFI; /* an assumption */
1192 }
1193#endif
1194
1195 if (dev->descriptor.bDeviceClass != 0 ||
Tom Rix8f8bd562009-10-31 12:37:38 -05001196 iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE ||
1197 iface->desc.bInterfaceSubClass < US_SC_MIN ||
1198 iface->desc.bInterfaceSubClass > US_SC_MAX) {
wdenkaffae2b2002-08-17 09:36:01 +00001199 /* if it's not a mass storage, we go no further */
1200 return 0;
1201 }
1202
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001203 memset(ss, 0, sizeof(struct us_data));
1204
wdenkaffae2b2002-08-17 09:36:01 +00001205 /* At this point, we know we've got a live one */
1206 USB_STOR_PRINTF("\n\nUSB Mass Storage device detected\n");
1207
1208 /* Initialize the us_data structure with some useful info */
1209 ss->flags = flags;
1210 ss->ifnum = ifnum;
1211 ss->pusb_dev = dev;
1212 ss->attention_done = 0;
1213
1214 /* If the device has subclass and protocol, then use that. Otherwise,
1215 * take data from the specific interface.
1216 */
1217 if (subclass) {
1218 ss->subclass = subclass;
1219 ss->protocol = protocol;
1220 } else {
Tom Rix8f8bd562009-10-31 12:37:38 -05001221 ss->subclass = iface->desc.bInterfaceSubClass;
1222 ss->protocol = iface->desc.bInterfaceProtocol;
wdenkaffae2b2002-08-17 09:36:01 +00001223 }
1224
1225 /* set the handler pointers based on the protocol */
1226 USB_STOR_PRINTF("Transport: ");
1227 switch (ss->protocol) {
1228 case US_PR_CB:
1229 USB_STOR_PRINTF("Control/Bulk\n");
1230 ss->transport = usb_stor_CB_transport;
1231 ss->transport_reset = usb_stor_CB_reset;
1232 break;
1233
1234 case US_PR_CBI:
1235 USB_STOR_PRINTF("Control/Bulk/Interrupt\n");
1236 ss->transport = usb_stor_CB_transport;
1237 ss->transport_reset = usb_stor_CB_reset;
1238 break;
wdenk149dded2003-09-10 18:20:28 +00001239 case US_PR_BULK:
1240 USB_STOR_PRINTF("Bulk/Bulk/Bulk\n");
1241 ss->transport = usb_stor_BBB_transport;
1242 ss->transport_reset = usb_stor_BBB_reset;
1243 break;
wdenkaffae2b2002-08-17 09:36:01 +00001244 default:
wdenk80885a92004-02-26 23:46:20 +00001245 printf("USB Storage Transport unknown / not yet implemented\n");
wdenkaffae2b2002-08-17 09:36:01 +00001246 return 0;
1247 break;
1248 }
1249
1250 /*
1251 * We are expecting a minimum of 2 endpoints - in and out (bulk).
1252 * An optional interrupt is OK (necessary for CBI protocol).
1253 * We will ignore any others.
1254 */
Tom Rix8f8bd562009-10-31 12:37:38 -05001255 for (i = 0; i < iface->desc.bNumEndpoints; i++) {
wdenkaffae2b2002-08-17 09:36:01 +00001256 /* is it an BULK endpoint? */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001257 if ((iface->ep_desc[i].bmAttributes &
1258 USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) {
wdenkaffae2b2002-08-17 09:36:01 +00001259 if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN)
1260 ss->ep_in = iface->ep_desc[i].bEndpointAddress &
1261 USB_ENDPOINT_NUMBER_MASK;
1262 else
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001263 ss->ep_out =
1264 iface->ep_desc[i].bEndpointAddress &
wdenkaffae2b2002-08-17 09:36:01 +00001265 USB_ENDPOINT_NUMBER_MASK;
1266 }
1267
1268 /* is it an interrupt endpoint? */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001269 if ((iface->ep_desc[i].bmAttributes &
1270 USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) {
wdenkaffae2b2002-08-17 09:36:01 +00001271 ss->ep_int = iface->ep_desc[i].bEndpointAddress &
1272 USB_ENDPOINT_NUMBER_MASK;
1273 ss->irqinterval = iface->ep_desc[i].bInterval;
1274 }
1275 }
1276 USB_STOR_PRINTF("Endpoints In %d Out %d Int %d\n",
1277 ss->ep_in, ss->ep_out, ss->ep_int);
1278
1279 /* Do some basic sanity checks, and bail if we find a problem */
Tom Rix8f8bd562009-10-31 12:37:38 -05001280 if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) ||
wdenkaffae2b2002-08-17 09:36:01 +00001281 !ss->ep_in || !ss->ep_out ||
1282 (ss->protocol == US_PR_CBI && ss->ep_int == 0)) {
1283 USB_STOR_PRINTF("Problems with device\n");
1284 return 0;
1285 }
1286 /* set class specific stuff */
wdenk149dded2003-09-10 18:20:28 +00001287 /* We only handle certain protocols. Currently, these are
1288 * the only ones.
wdenk80885a92004-02-26 23:46:20 +00001289 * The SFF8070 accepts the requests used in u-boot
wdenkaffae2b2002-08-17 09:36:01 +00001290 */
wdenk80885a92004-02-26 23:46:20 +00001291 if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI &&
1292 ss->subclass != US_SC_8070) {
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001293 printf("Sorry, protocol %d not yet supported.\n", ss->subclass);
wdenkaffae2b2002-08-17 09:36:01 +00001294 return 0;
1295 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001296 if (ss->ep_int) {
1297 /* we had found an interrupt endpoint, prepare irq pipe
1298 * set up the IRQ pipe and handler
1299 */
wdenkaffae2b2002-08-17 09:36:01 +00001300 ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255;
1301 ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int);
1302 ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe);
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001303 dev->irq_handle = usb_stor_irq;
wdenkaffae2b2002-08-17 09:36:01 +00001304 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001305 dev->privptr = (void *)ss;
wdenkaffae2b2002-08-17 09:36:01 +00001306 return 1;
1307}
1308
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001309int usb_stor_get_info(struct usb_device *dev, struct us_data *ss,
1310 block_dev_desc_t *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +00001311{
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001312 unsigned char perq, modi;
wdenkaffae2b2002-08-17 09:36:01 +00001313 unsigned long cap[2];
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001314 unsigned long *capacity, *blksz;
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001315 ccb *pccb = &usb_ccb;
wdenkaffae2b2002-08-17 09:36:01 +00001316
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001317 /* for some reasons a couple of devices would not survive this reset */
1318 if (
1319 /* Sony USM256E */
1320 (dev->descriptor.idVendor == 0x054c &&
1321 dev->descriptor.idProduct == 0x019e)
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001322 ||
1323 /* USB007 Mini-USB2 Flash Drive */
1324 (dev->descriptor.idVendor == 0x066f &&
1325 dev->descriptor.idProduct == 0x2010)
Bartlomiej Siekaf88a0ae2006-07-13 15:32:16 +02001326 ||
1327 /* SanDisk Corporation Cruzer Micro 20044318410546613953 */
1328 (dev->descriptor.idVendor == 0x0781 &&
1329 dev->descriptor.idProduct == 0x5151)
Bryan Wu14e41112009-01-01 19:48:07 -05001330 ||
1331 /*
1332 * SanDisk Corporation U3 Cruzer Micro 1/4GB
1333 * Flash Drive 000016244373FFB4
1334 */
1335 (dev->descriptor.idVendor == 0x0781 &&
1336 dev->descriptor.idProduct == 0x5406)
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001337 )
1338 USB_STOR_PRINTF("usb_stor_get_info: skipping RESET..\n");
Wolfgang Denk095b8a32005-08-02 17:06:17 +02001339 else
wdenk2729af92004-05-03 20:45:30 +00001340 ss->transport_reset(ss);
wdenkaffae2b2002-08-17 09:36:01 +00001341
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001342 pccb->pdata = usb_stor_buf;
1343
1344 dev_desc->target = dev->devnum;
1345 pccb->lun = dev_desc->lun;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001346 USB_STOR_PRINTF(" address %d\n", dev_desc->target);
wdenkaffae2b2002-08-17 09:36:01 +00001347
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001348 if (usb_inquiry(pccb, ss))
wdenkaffae2b2002-08-17 09:36:01 +00001349 return -1;
Wolfgang Denk095b8a32005-08-02 17:06:17 +02001350
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001351 perq = usb_stor_buf[0];
1352 modi = usb_stor_buf[1];
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001353
1354 if ((perq & 0x1f) == 0x1f) {
1355 /* skip unknown devices */
1356 return 0;
wdenkaffae2b2002-08-17 09:36:01 +00001357 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001358 if ((modi&0x80) == 0x80) {
1359 /* drive is removable */
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001360 dev_desc->removable = 1;
wdenkaffae2b2002-08-17 09:36:01 +00001361 }
1362 memcpy(&dev_desc->vendor[0], &usb_stor_buf[8], 8);
1363 memcpy(&dev_desc->product[0], &usb_stor_buf[16], 16);
1364 memcpy(&dev_desc->revision[0], &usb_stor_buf[32], 4);
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001365 dev_desc->vendor[8] = 0;
1366 dev_desc->product[16] = 0;
1367 dev_desc->revision[4] = 0;
Bartlomiej Siekaddde6b72006-08-22 10:38:18 +02001368#ifdef CONFIG_USB_BIN_FIXUP
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001369 usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor,
1370 (uchar *)dev_desc->product);
Bartlomiej Siekaddde6b72006-08-22 10:38:18 +02001371#endif /* CONFIG_USB_BIN_FIXUP */
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001372 USB_STOR_PRINTF("ISO Vers %X, Response Data %X\n", usb_stor_buf[2],
1373 usb_stor_buf[3]);
1374 if (usb_test_unit_ready(pccb, ss)) {
1375 printf("Device NOT ready\n"
1376 " Request Sense returned %02X %02X %02X\n",
1377 pccb->sense_buf[2], pccb->sense_buf[12],
1378 pccb->sense_buf[13]);
1379 if (dev_desc->removable == 1) {
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001380 dev_desc->type = perq;
wdenkaffae2b2002-08-17 09:36:01 +00001381 return 1;
1382 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001383 return 0;
wdenkaffae2b2002-08-17 09:36:01 +00001384 }
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001385 pccb->pdata = (unsigned char *)&cap[0];
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001386 memset(pccb->pdata, 0, 8);
1387 if (usb_read_capacity(pccb, ss) != 0) {
wdenkaffae2b2002-08-17 09:36:01 +00001388 printf("READ_CAP ERROR\n");
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001389 cap[0] = 2880;
1390 cap[1] = 0x200;
wdenkaffae2b2002-08-17 09:36:01 +00001391 }
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001392 USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n", cap[0],
1393 cap[1]);
wdenkaffae2b2002-08-17 09:36:01 +00001394#if 0
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001395 if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */
1396 cap[0] >>= 16;
wdenkaffae2b2002-08-17 09:36:01 +00001397#endif
Christian Eggersc9182612008-05-21 22:12:00 +02001398 cap[0] = cpu_to_be32(cap[0]);
1399 cap[1] = cpu_to_be32(cap[1]);
1400
wdenk149dded2003-09-10 18:20:28 +00001401 /* this assumes bigendian! */
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001402 cap[0] += 1;
1403 capacity = &cap[0];
1404 blksz = &cap[1];
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001405 USB_STOR_PRINTF("Capacity = 0x%lx, blocksz = 0x%lx\n",
1406 *capacity, *blksz);
Wolfgang Denk9c998aa2005-07-21 11:57:57 +02001407 dev_desc->lba = *capacity;
1408 dev_desc->blksz = *blksz;
1409 dev_desc->type = perq;
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001410 USB_STOR_PRINTF(" address %d\n", dev_desc->target);
1411 USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type);
wdenkaffae2b2002-08-17 09:36:01 +00001412
1413 init_part(dev_desc);
1414
Michael Trimarchia0cb3fc2008-12-10 15:52:06 +01001415 USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type);
wdenkaffae2b2002-08-17 09:36:01 +00001416 return 1;
1417}