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wdenk232c1502004-03-12 00:14:09 +00001/*
2 * (C) Copyright 2003
3 * Gerry Hamel, geh@ti.com, Texas Instruments
4 *
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +02005 * (C) Copyright 2006
6 * Bryan O'Donoghue, deckard@CodeHermit.ie
7 *
wdenk232c1502004-03-12 00:14:09 +00008 * Based on
9 * linux/drivers/usbd/ep0.c
10 *
11 * Copyright (c) 2000, 2001, 2002 Lineo
12 * Copyright (c) 2001 Hewlett Packard
13 *
14 * By:
15 * Stuart Lynne <sl@lineo.com>,
16 * Tom Rushworth <tbr@lineo.com>,
17 * Bruce Balden <balden@lineo.com>
18 *
19 * This program is free software; you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License as published by
21 * the Free Software Foundation; either version 2 of the License, or
22 * (at your option) any later version.
23 *
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
32 *
33 */
34
35/*
36 * This is the builtin ep0 control function. It implements all required functionality
37 * for responding to control requests (SETUP packets).
38 *
39 * XXX
40 *
41 * Currently we do not pass any SETUP packets (or other) to the configured
42 * function driver. This may need to change.
43 *
44 * XXX
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +020045 *
46 * As alluded to above, a simple callback cdc_recv_setup has been implemented
Wolfgang Denk386eda02006-06-14 18:14:56 +020047 * in the usb_device data structure to facilicate passing
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +020048 * Common Device Class packets to a function driver.
49 *
50 * XXX
wdenk232c1502004-03-12 00:14:09 +000051 */
52
53#include <common.h>
54
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +020055#if defined(CONFIG_USB_DEVICE)
wdenk232c1502004-03-12 00:14:09 +000056#include "usbdcore.h"
57
58#if 0
59#define dbg_ep0(lvl,fmt,args...) serial_printf("[%s] %s:%d: "fmt"\n",__FILE__,__FUNCTION__,__LINE__,##args)
60#else
61#define dbg_ep0(lvl,fmt,args...)
62#endif
63
64/* EP0 Configuration Set ********************************************************************* */
65
66
67/**
68 * ep0_get_status - fill in URB data with appropriate status
69 * @device:
70 * @urb:
71 * @index:
72 * @requesttype:
73 *
74 */
75static int ep0_get_status (struct usb_device_instance *device,
76 struct urb *urb, int index, int requesttype)
77{
78 char *cp;
79
80 urb->actual_length = 2;
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +020081 cp = (char*)urb->buffer;
wdenk232c1502004-03-12 00:14:09 +000082 cp[0] = cp[1] = 0;
83
84 switch (requesttype) {
85 case USB_REQ_RECIPIENT_DEVICE:
86 cp[0] = USB_STATUS_SELFPOWERED;
87 break;
88 case USB_REQ_RECIPIENT_INTERFACE:
89 break;
90 case USB_REQ_RECIPIENT_ENDPOINT:
91 cp[0] = usbd_endpoint_halted (device, index);
92 break;
93 case USB_REQ_RECIPIENT_OTHER:
94 urb->actual_length = 0;
95 default:
96 break;
97 }
98 dbg_ep0 (2, "%02x %02x", cp[0], cp[1]);
99 return 0;
100}
101
102/**
103 * ep0_get_one
104 * @device:
105 * @urb:
106 * @result:
107 *
108 * Set a single byte value in the urb send buffer. Return non-zero to signal
109 * a request error.
110 */
111static int ep0_get_one (struct usb_device_instance *device, struct urb *urb,
112 __u8 result)
113{
114 urb->actual_length = 1; /* XXX 2? */
115 ((char *) urb->buffer)[0] = result;
116 return 0;
117}
118
119/**
120 * copy_config
121 * @urb: pointer to urb
122 * @data: pointer to configuration data
123 * @length: length of data
124 *
125 * Copy configuration data to urb transfer buffer if there is room for it.
126 */
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200127void copy_config (struct urb *urb, void *data, int max_length,
wdenk232c1502004-03-12 00:14:09 +0000128 int max_buf)
129{
130 int available;
131 int length;
132
133 /*dbg_ep0(3, "-> actual: %d buf: %d max_buf: %d max_length: %d data: %p", */
134 /* urb->actual_length, urb->buffer_length, max_buf, max_length, data); */
135
136 if (!data) {
137 dbg_ep0 (1, "data is NULL");
138 return;
139 }
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200140 length = max_length;
wdenk232c1502004-03-12 00:14:09 +0000141
142 if (length > max_length) {
143 dbg_ep0 (1, "length: %d >= max_length: %d", length,
144 max_length);
145 return;
146 }
147 /*dbg_ep0(1, " actual: %d buf: %d max_buf: %d max_length: %d length: %d", */
148 /* urb->actual_length, urb->buffer_length, max_buf, max_length, length); */
149
150 if ((available =
151 /*urb->buffer_length */ max_buf - urb->actual_length) <= 0) {
152 return;
153 }
154 /*dbg_ep0(1, "actual: %d buf: %d max_buf: %d length: %d available: %d", */
155 /* urb->actual_length, urb->buffer_length, max_buf, length, available); */
156
157 if (length > available) {
158 length = available;
159 }
160 /*dbg_ep0(1, "actual: %d buf: %d max_buf: %d length: %d available: %d", */
161 /* urb->actual_length, urb->buffer_length, max_buf, length, available); */
162
163 memcpy (urb->buffer + urb->actual_length, data, length);
164 urb->actual_length += length;
165
166 dbg_ep0 (3,
167 "copy_config: <- actual: %d buf: %d max_buf: %d max_length: %d available: %d",
168 urb->actual_length, urb->buffer_length, max_buf, max_length,
169 available);
170}
171
172/**
173 * ep0_get_descriptor
174 * @device:
175 * @urb:
176 * @max:
177 * @descriptor_type:
178 * @index:
179 *
180 * Called by ep0_rx_process for a get descriptor device command. Determine what
181 * descriptor is being requested, copy to send buffer. Return zero if ok to send,
182 * return non-zero to signal a request error.
183 */
184static int ep0_get_descriptor (struct usb_device_instance *device,
185 struct urb *urb, int max, int descriptor_type,
186 int index)
187{
188 int port = 0; /* XXX compound device */
189 char *cp;
190
191 /*dbg_ep0(3, "max: %x type: %x index: %x", max, descriptor_type, index); */
192
193 if (!urb || !urb->buffer || !urb->buffer_length
194 || (urb->buffer_length < 255)) {
195 dbg_ep0 (2, "invalid urb %p", urb);
196 return -1L;
197 }
198
199 /* setup tx urb */
200 urb->actual_length = 0;
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200201 cp = (char*)urb->buffer;
wdenk232c1502004-03-12 00:14:09 +0000202
203 dbg_ep0 (2, "%s", USBD_DEVICE_DESCRIPTORS (descriptor_type));
204
205 switch (descriptor_type) {
206 case USB_DESCRIPTOR_TYPE_DEVICE:
207 {
208 struct usb_device_descriptor *device_descriptor;
wdenk232c1502004-03-12 00:14:09 +0000209 if (!
210 (device_descriptor =
211 usbd_device_device_descriptor (device, port))) {
212 return -1;
213 }
214 /* copy descriptor for this device */
215 copy_config (urb, device_descriptor,
216 sizeof (struct usb_device_descriptor),
217 max);
218
219 /* correct the correct control endpoint 0 max packet size into the descriptor */
220 device_descriptor =
221 (struct usb_device_descriptor *) urb->buffer;
wdenk232c1502004-03-12 00:14:09 +0000222
223 }
Wolfgang Denk386eda02006-06-14 18:14:56 +0200224 dbg_ep0(3, "copied device configuration, actual_length: 0x%x", urb->actual_length);
wdenk232c1502004-03-12 00:14:09 +0000225 break;
226
227 case USB_DESCRIPTOR_TYPE_CONFIGURATION:
228 {
wdenk232c1502004-03-12 00:14:09 +0000229 struct usb_configuration_descriptor
230 *configuration_descriptor;
231 struct usb_device_descriptor *device_descriptor;
wdenk232c1502004-03-12 00:14:09 +0000232 if (!
233 (device_descriptor =
234 usbd_device_device_descriptor (device, port))) {
235 return -1;
236 }
237 /*dbg_ep0(2, "%d %d", index, device_descriptor->bNumConfigurations); */
238 if (index > device_descriptor->bNumConfigurations) {
239 dbg_ep0 (0, "index too large: %d > %d", index,
240 device_descriptor->
241 bNumConfigurations);
242 return -1;
243 }
244
245 if (!
246 (configuration_descriptor =
247 usbd_device_configuration_descriptor (device,
248 port,
249 index))) {
250 dbg_ep0 (0,
251 "usbd_device_configuration_descriptor failed: %d",
252 index);
253 return -1;
254 }
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200255 dbg_ep0(0, "attempt to copy %d bytes to urb\n",cpu_to_le16(configuration_descriptor->wTotalLength));
wdenk232c1502004-03-12 00:14:09 +0000256 copy_config (urb, configuration_descriptor,
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200257
258 cpu_to_le16(configuration_descriptor->wTotalLength),
wdenk232c1502004-03-12 00:14:09 +0000259 max);
wdenk232c1502004-03-12 00:14:09 +0000260 }
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200261
wdenk232c1502004-03-12 00:14:09 +0000262 break;
263
264 case USB_DESCRIPTOR_TYPE_STRING:
265 {
266 struct usb_string_descriptor *string_descriptor;
wdenk232c1502004-03-12 00:14:09 +0000267 if (!(string_descriptor = usbd_get_string (index))) {
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200268 serial_printf("Invalid string index %d\n", index);
wdenk232c1502004-03-12 00:14:09 +0000269 return -1;
270 }
Wolfgang Denk386eda02006-06-14 18:14:56 +0200271 dbg_ep0(3, "string_descriptor: %p length %d", string_descriptor, string_descriptor->bLength);
wdenk232c1502004-03-12 00:14:09 +0000272 copy_config (urb, string_descriptor, string_descriptor->bLength, max);
273 }
274 break;
275 case USB_DESCRIPTOR_TYPE_INTERFACE:
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200276 serial_printf("USB_DESCRIPTOR_TYPE_INTERFACE - error not implemented\n");
wdenk232c1502004-03-12 00:14:09 +0000277 return -1;
278 case USB_DESCRIPTOR_TYPE_ENDPOINT:
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200279 serial_printf("USB_DESCRIPTOR_TYPE_ENDPOINT - error not implemented\n");
wdenk232c1502004-03-12 00:14:09 +0000280 return -1;
281 case USB_DESCRIPTOR_TYPE_HID:
282 {
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200283 serial_printf("USB_DESCRIPTOR_TYPE_HID - error not implemented\n");
wdenk232c1502004-03-12 00:14:09 +0000284 return -1; /* unsupported at this time */
285#if 0
286 int bNumInterface =
287 le16_to_cpu (urb->device_request.wIndex);
288 int bAlternateSetting = 0;
289 int class = 0;
290 struct usb_class_descriptor *class_descriptor;
291
292 if (!(class_descriptor =
293 usbd_device_class_descriptor_index (device,
294 port, 0,
295 bNumInterface,
296 bAlternateSetting,
297 class))
298 || class_descriptor->descriptor.hid.bDescriptorType != USB_DT_HID) {
299 dbg_ep0 (3, "[%d] interface is not HID",
300 bNumInterface);
301 return -1;
302 }
303 /* copy descriptor for this class */
304 copy_config (urb, class_descriptor,
305 class_descriptor->descriptor.hid.bLength,
306 max);
307#endif
308 }
309 break;
310 case USB_DESCRIPTOR_TYPE_REPORT:
311 {
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200312 serial_printf("USB_DESCRIPTOR_TYPE_REPORT - error not implemented\n");
wdenk232c1502004-03-12 00:14:09 +0000313 return -1; /* unsupported at this time */
314#if 0
315 int bNumInterface =
316 le16_to_cpu (urb->device_request.wIndex);
317 int bAlternateSetting = 0;
318 int class = 0;
319 struct usb_class_report_descriptor *report_descriptor;
320
321 if (!(report_descriptor =
322 usbd_device_class_report_descriptor_index
323 (device, port, 0, bNumInterface,
324 bAlternateSetting, class))
325 || report_descriptor->bDescriptorType !=
326 USB_DT_REPORT) {
327 dbg_ep0 (3, "[%d] descriptor is not REPORT",
328 bNumInterface);
329 return -1;
330 }
331 /* copy report descriptor for this class */
332 /*copy_config(urb, &report_descriptor->bData[0], report_descriptor->wLength, max); */
333 if (max - urb->actual_length > 0) {
334 int length =
335 MIN (report_descriptor->wLength,
336 max - urb->actual_length);
337 memcpy (urb->buffer + urb->actual_length,
338 &report_descriptor->bData[0], length);
339 urb->actual_length += length;
340 }
341#endif
342 }
343 break;
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200344 case USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER:
345 {
346 /* If a USB device supports both a full speed and low speed operation
Wolfgang Denk386eda02006-06-14 18:14:56 +0200347 * we must send a Device_Qualifier descriptor here
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200348 */
349 return -1;
350 }
wdenk232c1502004-03-12 00:14:09 +0000351 default:
352 return -1;
353 }
354
355
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200356 dbg_ep0 (1, "urb: buffer: %p buffer_length: %2d actual_length: %2d tx_packetSize: %2d",
wdenk232c1502004-03-12 00:14:09 +0000357 urb->buffer, urb->buffer_length, urb->actual_length,
358 device->bus->endpoint_array[0].tx_packetSize);
359/*
360 if ((urb->actual_length < max) && !(urb->actual_length % device->bus->endpoint_array[0].tx_packetSize)) {
361 dbg_ep0(0, "adding null byte");
362 urb->buffer[urb->actual_length++] = 0;
363 dbg_ep0(0, "urb: buffer_length: %2d actual_length: %2d packet size: %2d",
364 urb->buffer_length, urb->actual_length device->bus->endpoint_array[0].tx_packetSize);
365 }
366*/
367 return 0;
368
369}
370
371/**
372 * ep0_recv_setup - called to indicate URB has been received
373 * @urb: pointer to struct urb
374 *
375 * Check if this is a setup packet, process the device request, put results
376 * back into the urb and return zero or non-zero to indicate success (DATA)
377 * or failure (STALL).
378 *
379 */
380int ep0_recv_setup (struct urb *urb)
381{
382 /*struct usb_device_request *request = urb->buffer; */
383 /*struct usb_device_instance *device = urb->device; */
384
385 struct usb_device_request *request;
386 struct usb_device_instance *device;
387 int address;
388
389 dbg_ep0 (0, "entering ep0_recv_setup()");
390 if (!urb || !urb->device) {
391 dbg_ep0 (3, "invalid URB %p", urb);
392 return -1;
393 }
394
395 request = &urb->device_request;
396 device = urb->device;
397
398 dbg_ep0 (3, "urb: %p device: %p", urb, urb->device);
399
400
401 /*dbg_ep0(2, "- - - - - - - - - -"); */
402
403 dbg_ep0 (2,
404 "bmRequestType:%02x bRequest:%02x wValue:%04x wIndex:%04x wLength:%04x %s",
405 request->bmRequestType, request->bRequest,
406 le16_to_cpu (request->wValue), le16_to_cpu (request->wIndex),
407 le16_to_cpu (request->wLength),
408 USBD_DEVICE_REQUESTS (request->bRequest));
409
410 /* handle USB Standard Request (c.f. USB Spec table 9-2) */
411 if ((request->bmRequestType & USB_REQ_TYPE_MASK) != 0) {
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200412 if(device->device_state <= STATE_CONFIGURED){
413 /* Attempt to handle a CDC specific request if we are
414 * in the configured state.
415 */
416 return device->cdc_recv_setup(request,urb);
417 }
wdenk232c1502004-03-12 00:14:09 +0000418 dbg_ep0 (1, "non standard request: %x",
419 request->bmRequestType & USB_REQ_TYPE_MASK);
420 return -1; /* Stall here */
421 }
422
423 switch (device->device_state) {
424 case STATE_CREATED:
425 case STATE_ATTACHED:
426 case STATE_POWERED:
427 /* It actually is important to allow requests in these states,
428 * Windows will request descriptors before assigning an
429 * address to the client.
430 */
431
432 /*dbg_ep0 (1, "request %s not allowed in this state: %s", */
433 /* USBD_DEVICE_REQUESTS(request->bRequest), */
434 /* usbd_device_states[device->device_state]); */
435 /*return -1; */
436 break;
437
438 case STATE_INIT:
439 case STATE_DEFAULT:
440 switch (request->bRequest) {
441 case USB_REQ_GET_STATUS:
442 case USB_REQ_GET_INTERFACE:
443 case USB_REQ_SYNCH_FRAME: /* XXX should never see this (?) */
444 case USB_REQ_CLEAR_FEATURE:
445 case USB_REQ_SET_FEATURE:
446 case USB_REQ_SET_DESCRIPTOR:
447 /* case USB_REQ_SET_CONFIGURATION: */
448 case USB_REQ_SET_INTERFACE:
449 dbg_ep0 (1,
450 "request %s not allowed in DEFAULT state: %s",
451 USBD_DEVICE_REQUESTS (request->bRequest),
452 usbd_device_states[device->device_state]);
453 return -1;
454
455 case USB_REQ_SET_CONFIGURATION:
456 case USB_REQ_SET_ADDRESS:
457 case USB_REQ_GET_DESCRIPTOR:
458 case USB_REQ_GET_CONFIGURATION:
459 break;
460 }
461 case STATE_ADDRESSED:
462 case STATE_CONFIGURED:
463 break;
464 case STATE_UNKNOWN:
465 dbg_ep0 (1, "request %s not allowed in UNKNOWN state: %s",
466 USBD_DEVICE_REQUESTS (request->bRequest),
467 usbd_device_states[device->device_state]);
468 return -1;
469 }
470
471 /* handle all requests that return data (direction bit set on bm RequestType) */
472 if ((request->bmRequestType & USB_REQ_DIRECTION_MASK)) {
473
474 dbg_ep0 (3, "Device-to-Host");
475
476 switch (request->bRequest) {
477
478 case USB_REQ_GET_STATUS:
479 return ep0_get_status (device, urb, request->wIndex,
480 request->bmRequestType &
481 USB_REQ_RECIPIENT_MASK);
482
483 case USB_REQ_GET_DESCRIPTOR:
484 return ep0_get_descriptor (device, urb,
485 le16_to_cpu (request->wLength),
486 le16_to_cpu (request->wValue) >> 8,
487 le16_to_cpu (request->wValue) & 0xff);
488
489 case USB_REQ_GET_CONFIGURATION:
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200490 serial_printf("get config %d\n", device->configuration);
wdenk232c1502004-03-12 00:14:09 +0000491 return ep0_get_one (device, urb,
492 device->configuration);
493
494 case USB_REQ_GET_INTERFACE:
495 return ep0_get_one (device, urb, device->alternate);
496
497 case USB_REQ_SYNCH_FRAME: /* XXX should never see this (?) */
498 return -1;
499
500 case USB_REQ_CLEAR_FEATURE:
501 case USB_REQ_SET_FEATURE:
502 case USB_REQ_SET_ADDRESS:
503 case USB_REQ_SET_DESCRIPTOR:
504 case USB_REQ_SET_CONFIGURATION:
505 case USB_REQ_SET_INTERFACE:
506 return -1;
507 }
508 }
509 /* handle the requests that do not return data */
510 else {
511
512
513 /*dbg_ep0(3, "Host-to-Device"); */
514 switch (request->bRequest) {
515
516 case USB_REQ_CLEAR_FEATURE:
517 case USB_REQ_SET_FEATURE:
518 dbg_ep0 (0, "Host-to-Device");
519 switch (request->
520 bmRequestType & USB_REQ_RECIPIENT_MASK) {
521 case USB_REQ_RECIPIENT_DEVICE:
522 /* XXX DEVICE_REMOTE_WAKEUP or TEST_MODE would be added here */
523 /* XXX fall through for now as we do not support either */
524 case USB_REQ_RECIPIENT_INTERFACE:
525 case USB_REQ_RECIPIENT_OTHER:
526 dbg_ep0 (0, "request %s not",
527 USBD_DEVICE_REQUESTS (request->bRequest));
528 default:
529 return -1;
530
531 case USB_REQ_RECIPIENT_ENDPOINT:
532 dbg_ep0 (0, "ENDPOINT: %x", le16_to_cpu (request->wValue));
533 if (le16_to_cpu (request->wValue) == USB_ENDPOINT_HALT) {
534 /*return usbd_device_feature (device, le16_to_cpu (request->wIndex), */
535 /* request->bRequest == USB_REQ_SET_FEATURE); */
536 /* NEED TO IMPLEMENT THIS!!! */
537 return -1;
538 } else {
539 dbg_ep0 (1, "request %s bad wValue: %04x",
540 USBD_DEVICE_REQUESTS
541 (request->bRequest),
542 le16_to_cpu (request->wValue));
543 return -1;
544 }
545 }
546
547 case USB_REQ_SET_ADDRESS:
548 /* check if this is a re-address, reset first if it is (this shouldn't be possible) */
549 if (device->device_state != STATE_DEFAULT) {
550 dbg_ep0 (1, "set_address: %02x state: %s",
551 le16_to_cpu (request->wValue),
552 usbd_device_states[device->device_state]);
553 return -1;
554 }
555 address = le16_to_cpu (request->wValue);
556 if ((address & 0x7f) != address) {
557 dbg_ep0 (1, "invalid address %04x %04x",
558 address, address & 0x7f);
559 return -1;
560 }
561 device->address = address;
562
563 /*dbg_ep0(2, "address: %d %d %d", */
564 /* request->wValue, le16_to_cpu(request->wValue), device->address); */
565
wdenk232c1502004-03-12 00:14:09 +0000566 return 0;
567
568 case USB_REQ_SET_DESCRIPTOR: /* XXX should we support this? */
569 dbg_ep0 (0, "set descriptor: NOT SUPPORTED");
570 return -1;
571
572 case USB_REQ_SET_CONFIGURATION:
573 /* c.f. 9.4.7 - the top half of wValue is reserved */
574 /* */
575 if ((device->configuration =
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200576 le16_to_cpu (request->wValue) & 0xFF80) != 0) {
wdenk232c1502004-03-12 00:14:09 +0000577 /* c.f. 9.4.7 - zero is the default or addressed state, in our case this */
578 /* is the same is configuration zero */
Wolfgang Denk16c8d5e2006-06-14 17:45:53 +0200579 serial_printf("error setting dev->config to zero!\n");
wdenk232c1502004-03-12 00:14:09 +0000580 device->configuration = 0; /* TBR - ?????? */
581 }
582 /* reset interface and alternate settings */
583 device->interface = device->alternate = 0;
584
585 /*dbg_ep0(2, "set configuration: %d", device->configuration); */
586 /*serial_printf("DEVICE_CONFIGURED.. event?\n"); */
587 return 0;
588
589 case USB_REQ_SET_INTERFACE:
590 device->interface = le16_to_cpu (request->wIndex);
591 device->alternate = le16_to_cpu (request->wValue);
592 /*dbg_ep0(2, "set interface: %d alternate: %d", device->interface, device->alternate); */
593 serial_printf ("DEVICE_SET_INTERFACE.. event?\n");
594 return 0;
595
596 case USB_REQ_GET_STATUS:
597 case USB_REQ_GET_DESCRIPTOR:
598 case USB_REQ_GET_CONFIGURATION:
599 case USB_REQ_GET_INTERFACE:
600 case USB_REQ_SYNCH_FRAME: /* XXX should never see this (?) */
601 return -1;
602 }
603 }
604 return -1;
605}
606
607#endif