uhidev.c revision 1.39 1 /* $NetBSD: uhidev.c,v 1.39 2008/02/18 05:24:24 dyoung Exp $ */
2
3 /*
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Lennart Augustsson (lennart (at) augustsson.net) at
9 * Carlstedt Research & Technology.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /*
41 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
42 */
43
44 #include <sys/cdefs.h>
45 __KERNEL_RCSID(0, "$NetBSD: uhidev.c,v 1.39 2008/02/18 05:24:24 dyoung Exp $");
46
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/kernel.h>
50 #include <sys/malloc.h>
51 #include <sys/signalvar.h>
52 #include <sys/device.h>
53 #include <sys/ioctl.h>
54 #include <sys/conf.h>
55
56 #include <dev/usb/usb.h>
57 #include <dev/usb/usbhid.h>
58
59 #include <dev/usb/usbdevs.h>
60 #include <dev/usb/usbdi.h>
61 #include <dev/usb/usbdi_util.h>
62 #include <dev/usb/hid.h>
63 #include <dev/usb/usb_quirks.h>
64
65 #include <dev/usb/uhidev.h>
66
67 /* Report descriptor for broken Wacom Graphire */
68 #include <dev/usb/ugraphire_rdesc.h>
69
70 #include "locators.h"
71
72 #ifdef UHIDEV_DEBUG
73 #define DPRINTF(x) if (uhidevdebug) logprintf x
74 #define DPRINTFN(n,x) if (uhidevdebug>(n)) logprintf x
75 int uhidevdebug = 0;
76 #else
77 #define DPRINTF(x)
78 #define DPRINTFN(n,x)
79 #endif
80
81 Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
82
83 Static int uhidev_maxrepid(void *, int);
84 Static int uhidevprint(void *, const char *);
85
86 int uhidev_match(device_t, struct cfdata *, void *);
87 void uhidev_attach(device_t, device_t, void *);
88 void uhidev_childdet(device_t, device_t);
89 int uhidev_detach(device_t, int);
90 int uhidev_activate(device_t, enum devact);
91 extern struct cfdriver uhidev_cd;
92 CFATTACH_DECL2(uhidev, sizeof(struct uhidev_softc), uhidev_match,
93 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet);
94
95 USB_MATCH(uhidev)
96 {
97 USB_IFMATCH_START(uhidev, uaa);
98
99 if (uaa->class != UICLASS_HID)
100 return (UMATCH_NONE);
101 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE)
102 return (UMATCH_NONE);
103 return (UMATCH_IFACECLASS_GENERIC);
104 }
105
106 USB_ATTACH(uhidev)
107 {
108 USB_IFATTACH_START(uhidev, sc, uaa);
109 usbd_interface_handle iface = uaa->iface;
110 usb_interface_descriptor_t *id;
111 usb_endpoint_descriptor_t *ed;
112 struct uhidev_attach_arg uha;
113 struct uhidev *dev;
114 int size, nrepid, repid, repsz;
115 int *repsizes;
116 int i;
117 void *desc;
118 const void *descptr;
119 usbd_status err;
120 char *devinfop;
121 int locs[UHIDBUSCF_NLOCS];
122
123 sc->sc_udev = uaa->device;
124 sc->sc_iface = iface;
125 id = usbd_get_interface_descriptor(iface);
126
127 devinfop = usbd_devinfo_alloc(uaa->device, 0);
128 USB_ATTACH_SETUP;
129 aprint_normal("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
130 devinfop, id->bInterfaceClass, id->bInterfaceSubClass);
131 usbd_devinfo_free(devinfop);
132
133 if (!pmf_device_register(self, NULL, NULL))
134 aprint_error_dev(self, "couldn't establish power handler\n");
135
136 (void)usbd_set_idle(iface, 0, 0);
137 #if 0
138
139 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags;
140 if ((qflags & UQ_NO_SET_PROTO) == 0 &&
141 id->bInterfaceSubClass != UISUBCLASS_BOOT)
142 (void)usbd_set_protocol(iface, 1);
143 #endif
144
145 sc->sc_iep_addr = sc->sc_oep_addr = -1;
146 for (i = 0; i < id->bNumEndpoints; i++) {
147 ed = usbd_interface2endpoint_descriptor(iface, i);
148 if (ed == NULL) {
149 aprint_error("%s: could not read endpoint descriptor\n",
150 USBDEVNAME(sc->sc_dev));
151 sc->sc_dying = 1;
152 USB_ATTACH_ERROR_RETURN;
153 }
154
155 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d "
156 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d"
157 " bInterval=%d\n",
158 ed->bLength, ed->bDescriptorType,
159 ed->bEndpointAddress & UE_ADDR,
160 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out",
161 ed->bmAttributes & UE_XFERTYPE,
162 UGETW(ed->wMaxPacketSize), ed->bInterval));
163
164 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
165 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
166 sc->sc_iep_addr = ed->bEndpointAddress;
167 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
168 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
169 sc->sc_oep_addr = ed->bEndpointAddress;
170 } else {
171 aprint_verbose("%s: endpoint %d: ignored\n",
172 USBDEVNAME(sc->sc_dev), i);
173 }
174 }
175
176 /*
177 * Check that we found an input interrupt endpoint. The output interrupt
178 * endpoint is optional
179 */
180 if (sc->sc_iep_addr == -1) {
181 aprint_error("%s: no input interrupt endpoint\n",
182 USBDEVNAME(sc->sc_dev));
183 sc->sc_dying = 1;
184 USB_ATTACH_ERROR_RETURN;
185 }
186
187 /* XXX need to extend this */
188 descptr = NULL;
189 if (uaa->vendor == USB_VENDOR_WACOM) {
190 static uByte reportbuf[] = {2, 2, 2};
191
192 /* The report descriptor for the Wacom Graphire is broken. */
193 switch (uaa->product) {
194 case USB_PRODUCT_WACOM_GRAPHIRE:
195 size = sizeof uhid_graphire_report_descr;
196 descptr = uhid_graphire_report_descr;
197 break;
198
199 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5:
200 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8:
201 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */
202 /*
203 * The Graphire3 needs 0x0202 to be written to
204 * feature report ID 2 before it'll start
205 * returning digitizer data.
206 */
207 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2,
208 &reportbuf, sizeof reportbuf);
209
210 size = sizeof uhid_graphire3_4x5_report_descr;
211 descptr = uhid_graphire3_4x5_report_descr;
212 break;
213 default:
214 /* Keep descriptor */
215 break;
216 }
217 }
218
219 if (descptr) {
220 desc = malloc(size, M_USBDEV, M_NOWAIT);
221 if (desc == NULL)
222 err = USBD_NOMEM;
223 else {
224 err = USBD_NORMAL_COMPLETION;
225 memcpy(desc, descptr, size);
226 }
227 } else {
228 desc = NULL;
229 err = usbd_read_report_desc(uaa->iface, &desc, &size,
230 M_USBDEV);
231 }
232 if (err) {
233 aprint_error("%s: no report descriptor\n",
234 USBDEVNAME(sc->sc_dev));
235 sc->sc_dying = 1;
236 USB_ATTACH_ERROR_RETURN;
237 }
238
239 if (uaa->vendor == USB_VENDOR_HOSIDEN &&
240 uaa->product == USB_PRODUCT_HOSIDEN_PPP) {
241 static uByte reportbuf[] = { 1 };
242 /*
243 * This device was sold by Konami with its ParaParaParadise
244 * game for PlayStation2. It needs to be "turned on"
245 * before it will send any reports.
246 */
247
248 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0,
249 &reportbuf, sizeof reportbuf);
250 }
251
252 sc->sc_repdesc = desc;
253 sc->sc_repdesc_size = size;
254
255 uha.uaa = uaa;
256 nrepid = uhidev_maxrepid(desc, size);
257 if (nrepid < 0)
258 USB_ATTACH_SUCCESS_RETURN;
259 if (nrepid > 0)
260 aprint_normal("%s: %d report ids\n",
261 USBDEVNAME(sc->sc_dev), nrepid);
262 nrepid++;
263 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT);
264 if (repsizes == NULL)
265 goto nomem;
266 sc->sc_subdevs = malloc(nrepid * sizeof(device_t),
267 M_USBDEV, M_NOWAIT | M_ZERO);
268 if (sc->sc_subdevs == NULL) {
269 free(repsizes, M_TEMP);
270 nomem:
271 aprint_error("%s: no memory\n", USBDEVNAME(sc->sc_dev));
272 USB_ATTACH_ERROR_RETURN;
273 }
274 sc->sc_nrepid = nrepid;
275 sc->sc_isize = 0;
276
277 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
278 USBDEV(sc->sc_dev));
279
280 for (repid = 0; repid < nrepid; repid++) {
281 repsz = hid_report_size(desc, size, hid_input, repid);
282 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz));
283 repsizes[repid] = repsz;
284 if (repsz > 0) {
285 if (repsz > sc->sc_isize)
286 sc->sc_isize = repsz;
287 }
288 }
289 sc->sc_isize += nrepid != 1; /* space for report ID */
290 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize));
291
292 uha.parent = sc;
293 for (repid = 0; repid < nrepid; repid++) {
294 DPRINTF(("uhidev_match: try repid=%d\n", repid));
295 if (hid_report_size(desc, size, hid_input, repid) == 0 &&
296 hid_report_size(desc, size, hid_output, repid) == 0 &&
297 hid_report_size(desc, size, hid_feature, repid) == 0) {
298 ; /* already NULL in sc->sc_subdevs[repid] */
299 } else {
300 uha.reportid = repid;
301 locs[UHIDBUSCF_REPORTID] = repid;
302
303 dev = (struct uhidev *)config_found_sm_loc(self,
304 "uhidbus", locs, &uha,
305 uhidevprint, config_stdsubmatch);
306 sc->sc_subdevs[repid] = dev;
307 if (dev != NULL) {
308 dev->sc_in_rep_size = repsizes[repid];
309 #ifdef DIAGNOSTIC
310 DPRINTF(("uhidev_match: repid=%d dev=%p\n",
311 repid, dev));
312 if (dev->sc_intr == NULL) {
313 free(repsizes, M_TEMP);
314 printf("%s: sc_intr == NULL\n",
315 USBDEVNAME(sc->sc_dev));
316 USB_ATTACH_ERROR_RETURN;
317 }
318 #endif
319 #if NRND > 0
320 rnd_attach_source(&dev->rnd_source,
321 USBDEVNAME(dev->sc_dev),
322 RND_TYPE_TTY, 0);
323 #endif
324 }
325 }
326 }
327 free(repsizes, M_TEMP);
328
329 USB_ATTACH_SUCCESS_RETURN;
330 }
331
332 int
333 uhidev_maxrepid(void *buf, int len)
334 {
335 struct hid_data *d;
336 struct hid_item h;
337 int maxid;
338
339 maxid = -1;
340 h.report_ID = 0;
341 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); )
342 if (h.report_ID > maxid)
343 maxid = h.report_ID;
344 hid_end_parse(d);
345 return (maxid);
346 }
347
348 int
349 uhidevprint(void *aux, const char *pnp)
350 {
351 struct uhidev_attach_arg *uha = aux;
352
353 if (pnp)
354 aprint_normal("uhid at %s", pnp);
355 if (uha->reportid != 0)
356 aprint_normal(" reportid %d", uha->reportid);
357 return (UNCONF);
358 }
359
360 int
361 uhidev_activate(device_t self, enum devact act)
362 {
363 struct uhidev_softc *sc = device_private(self);
364 int i, rv;
365
366 switch (act) {
367 case DVACT_ACTIVATE:
368 return (EOPNOTSUPP);
369
370 case DVACT_DEACTIVATE:
371 rv = 0;
372 for (i = 0; i < sc->sc_nrepid; i++)
373 if (sc->sc_subdevs[i] != NULL)
374 rv |= config_deactivate(
375 &sc->sc_subdevs[i]->sc_dev);
376 sc->sc_dying = 1;
377 break;
378 default:
379 rv = 0;
380 break;
381 }
382 return (rv);
383 }
384
385 void
386 uhidev_childdet(device_t self, device_t child)
387 {
388 int i;
389 struct uhidev_softc *sc = device_private(self);
390
391 for (i = 0; i < sc->sc_nrepid; i++) {
392 if (&sc->sc_subdevs[i]->sc_dev == child)
393 break;
394 }
395 KASSERT(i < sc->sc_nrepid);
396 sc->sc_subdevs[i] = NULL;
397 }
398
399 USB_DETACH(uhidev)
400 {
401 USB_DETACH_START(uhidev, sc);
402 int i, rv;
403
404 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags));
405
406 sc->sc_dying = 1;
407 if (sc->sc_ipipe != NULL)
408 usbd_abort_pipe(sc->sc_ipipe);
409
410 if (sc->sc_repdesc != NULL)
411 free(sc->sc_repdesc, M_USBDEV);
412
413 rv = 0;
414 for (i = 0; i < sc->sc_nrepid; i++) {
415 if (sc->sc_subdevs[i] != NULL) {
416 #if NRND > 0
417 rnd_detach_source(&sc->sc_subdevs[i]->rnd_source);
418 #endif
419 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags);
420 }
421 }
422
423 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
424 USBDEV(sc->sc_dev));
425
426 pmf_device_deregister(self);
427
428 return (rv);
429 }
430
431 void
432 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
433 {
434 struct uhidev_softc *sc = addr;
435 struct uhidev *scd;
436 u_char *p;
437 u_int rep;
438 u_int32_t cc;
439
440 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
441
442 #ifdef UHIDEV_DEBUG
443 if (uhidevdebug > 5) {
444 u_int32_t i;
445
446 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc));
447 DPRINTF(("uhidev_intr: data ="));
448 for (i = 0; i < cc; i++)
449 DPRINTF((" %02x", sc->sc_ibuf[i]));
450 DPRINTF(("\n"));
451 }
452 #endif
453
454 if (status == USBD_CANCELLED)
455 return;
456
457 if (status != USBD_NORMAL_COMPLETION) {
458 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev),
459 status));
460 usbd_clear_endpoint_stall_async(sc->sc_ipipe);
461 return;
462 }
463
464 p = sc->sc_ibuf;
465 if (sc->sc_nrepid != 1)
466 rep = *p++, cc--;
467 else
468 rep = 0;
469 if (rep >= sc->sc_nrepid) {
470 printf("uhidev_intr: bad repid %d\n", rep);
471 return;
472 }
473 scd = sc->sc_subdevs[rep];
474 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n",
475 rep, scd, scd ? scd->sc_state : 0));
476 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN))
477 return;
478 if (scd->sc_in_rep_size != cc) {
479 printf("%s: bad input length %d != %d\n",
480 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc);
481 return;
482 }
483 #if NRND > 0
484 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf));
485 #endif
486 scd->sc_intr(scd, p, cc);
487 }
488
489 void
490 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size)
491 {
492 *desc = sc->sc_repdesc;
493 *size = sc->sc_repdesc_size;
494 }
495
496 int
497 uhidev_open(struct uhidev *scd)
498 {
499 struct uhidev_softc *sc = scd->sc_parent;
500 usbd_status err;
501 int error;
502
503 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n",
504 scd->sc_state, sc->sc_refcnt));
505
506 if (scd->sc_state & UHIDEV_OPEN)
507 return (EBUSY);
508 scd->sc_state |= UHIDEV_OPEN;
509 if (sc->sc_refcnt++)
510 return (0);
511
512 if (sc->sc_isize == 0)
513 return (0);
514
515 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
516
517 /* Set up input interrupt pipe. */
518 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize,
519 sc->sc_iep_addr));
520
521 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr,
522 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf,
523 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL);
524 if (err != USBD_NORMAL_COMPLETION) {
525 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, "
526 "error=%d\n", err));
527 error = EIO;
528 goto out1;
529 }
530
531 /*
532 * Set up output interrupt pipe if an output interrupt endpoint
533 * exists.
534 */
535 if (sc->sc_oep_addr != -1) {
536 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr));
537
538 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr,
539 0, &sc->sc_opipe);
540
541 if (err != USBD_NORMAL_COMPLETION) {
542 DPRINTF(("uhidev_open: usbd_open_pipe failed, "
543 "error=%d\n", err));
544 error = EIO;
545 goto out2;
546 }
547 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe));
548
549 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev);
550 if (sc->sc_oxfer == NULL) {
551 DPRINTF(("uhidev_open: couldn't allocate an xfer\n"));
552 error = ENOMEM;
553 goto out3;
554 }
555 }
556
557 return (0);
558 out3:
559 /* Abort output pipe */
560 usbd_close_pipe(sc->sc_opipe);
561 out2:
562 /* Abort input pipe */
563 usbd_close_pipe(sc->sc_ipipe);
564 out1:
565 DPRINTF(("uhidev_open: failed in someway"));
566 free(sc->sc_ibuf, M_USBDEV);
567 scd->sc_state &= ~UHIDEV_OPEN;
568 sc->sc_refcnt = 0;
569 sc->sc_ipipe = NULL;
570 sc->sc_opipe = NULL;
571 sc->sc_oxfer = NULL;
572 return error;
573 }
574
575 void
576 uhidev_close(struct uhidev *scd)
577 {
578 struct uhidev_softc *sc = scd->sc_parent;
579
580 if (!(scd->sc_state & UHIDEV_OPEN))
581 return;
582 scd->sc_state &= ~UHIDEV_OPEN;
583 if (--sc->sc_refcnt)
584 return;
585 DPRINTF(("uhidev_close: close pipe\n"));
586
587 if (sc->sc_oxfer != NULL)
588 usbd_free_xfer(sc->sc_oxfer);
589
590 /* Disable interrupts. */
591 if (sc->sc_opipe != NULL) {
592 usbd_abort_pipe(sc->sc_opipe);
593 usbd_close_pipe(sc->sc_opipe);
594 sc->sc_opipe = NULL;
595 }
596
597 if (sc->sc_ipipe != NULL) {
598 usbd_abort_pipe(sc->sc_ipipe);
599 usbd_close_pipe(sc->sc_ipipe);
600 sc->sc_ipipe = NULL;
601 }
602
603 if (sc->sc_ibuf != NULL) {
604 free(sc->sc_ibuf, M_USBDEV);
605 sc->sc_ibuf = NULL;
606 }
607 }
608
609 usbd_status
610 uhidev_set_report(struct uhidev *scd, int type, void *data, int len)
611 {
612 char *buf;
613 usbd_status retstat;
614
615 if (scd->sc_report_id == 0)
616 return usbd_set_report(scd->sc_parent->sc_iface, type,
617 scd->sc_report_id, data, len);
618
619 buf = malloc(len + 1, M_TEMP, M_WAITOK);
620 buf[0] = scd->sc_report_id;
621 memcpy(buf+1, data, len);
622
623 retstat = usbd_set_report(scd->sc_parent->sc_iface, type,
624 scd->sc_report_id, buf, len + 1);
625
626 free(buf, M_TEMP);
627
628 return retstat;
629 }
630
631 void
632 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len)
633 {
634 /* XXX */
635 char buf[100];
636 if (scd->sc_report_id) {
637 buf[0] = scd->sc_report_id;
638 memcpy(buf+1, data, len);
639 len++;
640 data = buf;
641 }
642
643 usbd_set_report_async(scd->sc_parent->sc_iface, type,
644 scd->sc_report_id, data, len);
645 }
646
647 usbd_status
648 uhidev_get_report(struct uhidev *scd, int type, void *data, int len)
649 {
650 return usbd_get_report(scd->sc_parent->sc_iface, type,
651 scd->sc_report_id, data, len);
652 }
653
654 usbd_status
655 uhidev_write(struct uhidev_softc *sc, void *data, int len)
656 {
657
658 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len));
659
660 if (sc->sc_opipe == NULL)
661 return USBD_INVAL;
662
663 #ifdef UHIDEV_DEBUG
664 if (uhidevdebug > 50) {
665
666 u_int32_t i;
667 u_int8_t *d = data;
668
669 DPRINTF(("uhidev_write: data ="));
670 for (i = 0; i < len; i++)
671 DPRINTF((" %02x", d[i]));
672 DPRINTF(("\n"));
673 }
674 #endif
675 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0,
676 USBD_NO_TIMEOUT, data, &len, "uhidevwi");
677 }
678