uhidev.c revision 1.39.10.3 1 /* $NetBSD: uhidev.c,v 1.39.10.3 2010/03/11 15:04:06 yamt 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 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
35 */
36
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: uhidev.c,v 1.39.10.3 2010/03/11 15:04:06 yamt Exp $");
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/malloc.h>
44 #include <sys/signalvar.h>
45 #include <sys/device.h>
46 #include <sys/ioctl.h>
47 #include <sys/conf.h>
48
49 #include <dev/usb/usb.h>
50 #include <dev/usb/usbhid.h>
51
52 #include <dev/usb/usbdevs.h>
53 #include <dev/usb/usbdi.h>
54 #include <dev/usb/usbdi_util.h>
55 #include <dev/usb/hid.h>
56 #include <dev/usb/usb_quirks.h>
57
58 #include <dev/usb/uhidev.h>
59
60 /* Report descriptor for broken Wacom Graphire */
61 #include <dev/usb/ugraphire_rdesc.h>
62
63 #include "locators.h"
64
65 #ifdef UHIDEV_DEBUG
66 #define DPRINTF(x) if (uhidevdebug) logprintf x
67 #define DPRINTFN(n,x) if (uhidevdebug>(n)) logprintf x
68 int uhidevdebug = 0;
69 #else
70 #define DPRINTF(x)
71 #define DPRINTFN(n,x)
72 #endif
73
74 Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
75
76 Static int uhidev_maxrepid(void *, int);
77 Static int uhidevprint(void *, const char *);
78
79 int uhidev_match(device_t, cfdata_t, void *);
80 void uhidev_attach(device_t, device_t, void *);
81 void uhidev_childdet(device_t, device_t);
82 int uhidev_detach(device_t, int);
83 int uhidev_activate(device_t, enum devact);
84 extern struct cfdriver uhidev_cd;
85 CFATTACH_DECL2_NEW(uhidev, sizeof(struct uhidev_softc), uhidev_match,
86 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet);
87
88 USB_MATCH(uhidev)
89 {
90 USB_IFMATCH_START(uhidev, uaa);
91
92 if (uaa->class != UICLASS_HID)
93 return (UMATCH_NONE);
94 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE)
95 return (UMATCH_NONE);
96 return (UMATCH_IFACECLASS_GENERIC);
97 }
98
99 USB_ATTACH(uhidev)
100 {
101 USB_IFATTACH_START(uhidev, sc, uaa);
102 usbd_interface_handle iface = uaa->iface;
103 usb_interface_descriptor_t *id;
104 usb_endpoint_descriptor_t *ed;
105 struct uhidev_attach_arg uha;
106 device_t dev;
107 struct uhidev *csc;
108 int maxinpktsize, size, nrepid, repid, repsz;
109 int *repsizes;
110 int i;
111 void *desc;
112 const void *descptr;
113 usbd_status err;
114 char *devinfop;
115 int locs[UHIDBUSCF_NLOCS];
116
117 sc->sc_dev = self;
118 sc->sc_udev = uaa->device;
119 sc->sc_iface = iface;
120
121 aprint_naive("\n");
122 aprint_normal("\n");
123
124 id = usbd_get_interface_descriptor(iface);
125
126 devinfop = usbd_devinfo_alloc(uaa->device, 0);
127 aprint_normal_dev(self, "%s, iclass %d/%d\n",
128 devinfop, id->bInterfaceClass, id->bInterfaceSubClass);
129 usbd_devinfo_free(devinfop);
130
131 if (!pmf_device_register(self, NULL, NULL))
132 aprint_error_dev(self, "couldn't establish power handler\n");
133
134 (void)usbd_set_idle(iface, 0, 0);
135 #if 0
136
137 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags;
138 if ((qflags & UQ_NO_SET_PROTO) == 0 &&
139 id->bInterfaceSubClass != UISUBCLASS_BOOT)
140 (void)usbd_set_protocol(iface, 1);
141 #endif
142
143 maxinpktsize = 0;
144 sc->sc_iep_addr = sc->sc_oep_addr = -1;
145 for (i = 0; i < id->bNumEndpoints; i++) {
146 ed = usbd_interface2endpoint_descriptor(iface, i);
147 if (ed == NULL) {
148 aprint_error_dev(self,
149 "could not read endpoint descriptor\n");
150 sc->sc_dying = 1;
151 USB_ATTACH_ERROR_RETURN;
152 }
153
154 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d "
155 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d"
156 " bInterval=%d\n",
157 ed->bLength, ed->bDescriptorType,
158 ed->bEndpointAddress & UE_ADDR,
159 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out",
160 ed->bmAttributes & UE_XFERTYPE,
161 UGETW(ed->wMaxPacketSize), ed->bInterval));
162
163 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
164 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
165 maxinpktsize = UGETW(ed->wMaxPacketSize);
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_dev(self, "endpoint %d: ignored\n", i);
172 }
173 }
174
175 /*
176 * Check that we found an input interrupt endpoint. The output interrupt
177 * endpoint is optional
178 */
179 if (sc->sc_iep_addr == -1) {
180 aprint_error_dev(self, "no input interrupt endpoint\n");
181 sc->sc_dying = 1;
182 USB_ATTACH_ERROR_RETURN;
183 }
184
185 /* XXX need to extend this */
186 descptr = NULL;
187 if (uaa->vendor == USB_VENDOR_WACOM) {
188 static uByte reportbuf[] = {2, 2, 2};
189
190 /* The report descriptor for the Wacom Graphire is broken. */
191 switch (uaa->product) {
192 case USB_PRODUCT_WACOM_GRAPHIRE:
193 size = sizeof uhid_graphire_report_descr;
194 descptr = uhid_graphire_report_descr;
195 break;
196
197 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5:
198 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8:
199 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */
200 /*
201 * The Graphire3 needs 0x0202 to be written to
202 * feature report ID 2 before it'll start
203 * returning digitizer data.
204 */
205 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2,
206 &reportbuf, sizeof reportbuf);
207
208 size = sizeof uhid_graphire3_4x5_report_descr;
209 descptr = uhid_graphire3_4x5_report_descr;
210 break;
211 default:
212 /* Keep descriptor */
213 break;
214 }
215 }
216
217 if (descptr) {
218 desc = malloc(size, M_USBDEV, M_NOWAIT);
219 if (desc == NULL)
220 err = USBD_NOMEM;
221 else {
222 err = USBD_NORMAL_COMPLETION;
223 memcpy(desc, descptr, size);
224 }
225 } else {
226 desc = NULL;
227 err = usbd_read_report_desc(uaa->iface, &desc, &size,
228 M_USBDEV);
229 }
230 if (err) {
231 aprint_error_dev(self, "no report descriptor\n");
232 sc->sc_dying = 1;
233 USB_ATTACH_ERROR_RETURN;
234 }
235
236 if (uaa->vendor == USB_VENDOR_HOSIDEN &&
237 uaa->product == USB_PRODUCT_HOSIDEN_PPP) {
238 static uByte reportbuf[] = { 1 };
239 /*
240 * This device was sold by Konami with its ParaParaParadise
241 * game for PlayStation2. It needs to be "turned on"
242 * before it will send any reports.
243 */
244
245 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0,
246 &reportbuf, sizeof reportbuf);
247 }
248
249 if (uaa->vendor == USB_VENDOR_LOGITECH &&
250 uaa->product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) {
251 uint8_t *data = desc;
252 /*
253 * This device has a odd USAGE_MINIMUM value that would
254 * cause the multimedia keys to have their usage number
255 * shifted up one usage. Adjust so the usages are sane.
256 */
257
258 if (data[0x56] == 0x19 && data[0x57] == 0x01 &&
259 data[0x58] == 0x2a && data[0x59] == 0x8c)
260 data[0x57] = 0x00;
261 }
262
263 sc->sc_repdesc = desc;
264 sc->sc_repdesc_size = size;
265
266 uha.uaa = uaa;
267 nrepid = uhidev_maxrepid(desc, size);
268 if (nrepid < 0)
269 USB_ATTACH_SUCCESS_RETURN;
270 if (nrepid > 0)
271 aprint_normal_dev(self, "%d report ids\n", nrepid);
272 nrepid++;
273 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT);
274 if (repsizes == NULL)
275 goto nomem;
276 sc->sc_subdevs = malloc(nrepid * sizeof(device_t),
277 M_USBDEV, M_NOWAIT | M_ZERO);
278 if (sc->sc_subdevs == NULL) {
279 free(repsizes, M_TEMP);
280 nomem:
281 aprint_error_dev(self, "no memory\n");
282 USB_ATTACH_ERROR_RETURN;
283 }
284
285 /* Just request max packet size for the interrupt pipe */
286 sc->sc_isize = maxinpktsize;
287 sc->sc_nrepid = nrepid;
288
289 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
290 USBDEV(sc->sc_dev));
291
292 for (repid = 0; repid < nrepid; repid++) {
293 repsz = hid_report_size(desc, size, hid_input, repid);
294 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz));
295 repsizes[repid] = repsz;
296 }
297
298 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize));
299
300 uha.parent = sc;
301 for (repid = 0; repid < nrepid; repid++) {
302 DPRINTF(("uhidev_match: try repid=%d\n", repid));
303 if (hid_report_size(desc, size, hid_input, repid) == 0 &&
304 hid_report_size(desc, size, hid_output, repid) == 0 &&
305 hid_report_size(desc, size, hid_feature, repid) == 0) {
306 ; /* already NULL in sc->sc_subdevs[repid] */
307 } else {
308 uha.reportid = repid;
309 locs[UHIDBUSCF_REPORTID] = repid;
310
311 dev = config_found_sm_loc(self,
312 "uhidbus", locs, &uha,
313 uhidevprint, config_stdsubmatch);
314 sc->sc_subdevs[repid] = dev;
315 if (dev != NULL) {
316 csc = device_private(dev);
317 csc->sc_in_rep_size = repsizes[repid];
318 #ifdef DIAGNOSTIC
319 DPRINTF(("uhidev_match: repid=%d dev=%p\n",
320 repid, dev));
321 if (csc->sc_intr == NULL) {
322 free(repsizes, M_TEMP);
323 aprint_error_dev(self,
324 "sc_intr == NULL\n");
325 USB_ATTACH_ERROR_RETURN;
326 }
327 #endif
328 #if NRND > 0
329 rnd_attach_source(&csc->rnd_source,
330 USBDEVNAME(dev),
331 RND_TYPE_TTY, 0);
332 #endif
333 }
334 }
335 }
336 free(repsizes, M_TEMP);
337
338 USB_ATTACH_SUCCESS_RETURN;
339 }
340
341 int
342 uhidev_maxrepid(void *buf, int len)
343 {
344 struct hid_data *d;
345 struct hid_item h;
346 int maxid;
347
348 maxid = -1;
349 h.report_ID = 0;
350 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); )
351 if (h.report_ID > maxid)
352 maxid = h.report_ID;
353 hid_end_parse(d);
354 return (maxid);
355 }
356
357 int
358 uhidevprint(void *aux, const char *pnp)
359 {
360 struct uhidev_attach_arg *uha = aux;
361
362 if (pnp)
363 aprint_normal("uhid at %s", pnp);
364 if (uha->reportid != 0)
365 aprint_normal(" reportid %d", uha->reportid);
366 return (UNCONF);
367 }
368
369 int
370 uhidev_activate(device_t self, enum devact act)
371 {
372 struct uhidev_softc *sc = device_private(self);
373
374 switch (act) {
375 case DVACT_DEACTIVATE:
376 sc->sc_dying = 1;
377 return 0;
378 default:
379 return EOPNOTSUPP;
380 }
381 }
382
383 void
384 uhidev_childdet(device_t self, device_t child)
385 {
386 int i;
387 struct uhidev_softc *sc = device_private(self);
388
389 for (i = 0; i < sc->sc_nrepid; i++) {
390 if (sc->sc_subdevs[i] == child)
391 break;
392 }
393 KASSERT(i < sc->sc_nrepid);
394 sc->sc_subdevs[i] = NULL;
395 }
396
397 USB_DETACH(uhidev)
398 {
399 USB_DETACH_START(uhidev, sc);
400 int i, rv;
401 #if NRND > 0
402 struct uhidev *csc;
403 #endif
404
405 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags));
406
407 sc->sc_dying = 1;
408 if (sc->sc_ipipe != NULL)
409 usbd_abort_pipe(sc->sc_ipipe);
410
411 if (sc->sc_repdesc != NULL)
412 free(sc->sc_repdesc, M_USBDEV);
413
414 rv = 0;
415 for (i = 0; i < sc->sc_nrepid; i++) {
416 if (sc->sc_subdevs[i] != NULL) {
417 #if NRND > 0
418 csc = device_private(sc->sc_subdevs[i]);
419 rnd_detach_source(&csc->rnd_source);
420 #endif
421 rv |= config_detach(sc->sc_subdevs[i], flags);
422 }
423 }
424
425 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
426 USBDEV(sc->sc_dev));
427
428 pmf_device_deregister(self);
429
430 return (rv);
431 }
432
433 void
434 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
435 {
436 struct uhidev_softc *sc = addr;
437 device_t cdev;
438 struct uhidev *scd;
439 u_char *p;
440 u_int rep;
441 u_int32_t cc;
442
443 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
444
445 #ifdef UHIDEV_DEBUG
446 if (uhidevdebug > 5) {
447 u_int32_t i;
448
449 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc));
450 DPRINTF(("uhidev_intr: data ="));
451 for (i = 0; i < cc; i++)
452 DPRINTF((" %02x", sc->sc_ibuf[i]));
453 DPRINTF(("\n"));
454 }
455 #endif
456
457 if (status == USBD_CANCELLED)
458 return;
459
460 if (status != USBD_NORMAL_COMPLETION) {
461 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev),
462 status));
463 usbd_clear_endpoint_stall_async(sc->sc_ipipe);
464 return;
465 }
466
467 p = sc->sc_ibuf;
468 if (sc->sc_nrepid != 1)
469 rep = *p++, cc--;
470 else
471 rep = 0;
472 if (rep >= sc->sc_nrepid) {
473 printf("uhidev_intr: bad repid %d\n", rep);
474 return;
475 }
476 cdev = sc->sc_subdevs[rep];
477 if (!cdev)
478 return;
479 scd = device_private(cdev);
480 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n",
481 rep, scd, scd ? scd->sc_state : 0));
482 if (!(scd->sc_state & UHIDEV_OPEN))
483 return;
484 #ifdef UHIDEV_DEBUG
485 if (scd->sc_in_rep_size != cc) {
486 DPRINTF(("%s: expected %d bytes, got %d\n",
487 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc));
488 }
489 #endif
490 if (cc == 0) {
491 DPRINTF(("%s: 0-length input ignored\n",
492 USBDEVNAME(sc->sc_dev)));
493 return;
494 }
495 #if NRND > 0
496 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf));
497 #endif
498 scd->sc_intr(scd, p, cc);
499 }
500
501 void
502 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size)
503 {
504 *desc = sc->sc_repdesc;
505 *size = sc->sc_repdesc_size;
506 }
507
508 int
509 uhidev_open(struct uhidev *scd)
510 {
511 struct uhidev_softc *sc = scd->sc_parent;
512 usbd_status err;
513 int error;
514
515 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n",
516 scd->sc_state, sc->sc_refcnt));
517
518 if (scd->sc_state & UHIDEV_OPEN)
519 return (EBUSY);
520 scd->sc_state |= UHIDEV_OPEN;
521 if (sc->sc_refcnt++)
522 return (0);
523
524 if (sc->sc_isize == 0)
525 return (0);
526
527 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
528
529 /* Set up input interrupt pipe. */
530 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize,
531 sc->sc_iep_addr));
532
533 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr,
534 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf,
535 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL);
536 if (err != USBD_NORMAL_COMPLETION) {
537 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, "
538 "error=%d\n", err));
539 error = EIO;
540 goto out1;
541 }
542
543 /*
544 * Set up output interrupt pipe if an output interrupt endpoint
545 * exists.
546 */
547 if (sc->sc_oep_addr != -1) {
548 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr));
549
550 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr,
551 0, &sc->sc_opipe);
552
553 if (err != USBD_NORMAL_COMPLETION) {
554 DPRINTF(("uhidev_open: usbd_open_pipe failed, "
555 "error=%d\n", err));
556 error = EIO;
557 goto out2;
558 }
559 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe));
560
561 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev);
562 if (sc->sc_oxfer == NULL) {
563 DPRINTF(("uhidev_open: couldn't allocate an xfer\n"));
564 error = ENOMEM;
565 goto out3;
566 }
567 }
568
569 return (0);
570 out3:
571 /* Abort output pipe */
572 usbd_close_pipe(sc->sc_opipe);
573 out2:
574 /* Abort input pipe */
575 usbd_close_pipe(sc->sc_ipipe);
576 out1:
577 DPRINTF(("uhidev_open: failed in someway"));
578 free(sc->sc_ibuf, M_USBDEV);
579 scd->sc_state &= ~UHIDEV_OPEN;
580 sc->sc_refcnt = 0;
581 sc->sc_ipipe = NULL;
582 sc->sc_opipe = NULL;
583 sc->sc_oxfer = NULL;
584 return error;
585 }
586
587 void
588 uhidev_close(struct uhidev *scd)
589 {
590 struct uhidev_softc *sc = scd->sc_parent;
591
592 if (!(scd->sc_state & UHIDEV_OPEN))
593 return;
594 scd->sc_state &= ~UHIDEV_OPEN;
595 if (--sc->sc_refcnt)
596 return;
597 DPRINTF(("uhidev_close: close pipe\n"));
598
599 if (sc->sc_oxfer != NULL)
600 usbd_free_xfer(sc->sc_oxfer);
601
602 /* Disable interrupts. */
603 if (sc->sc_opipe != NULL) {
604 usbd_abort_pipe(sc->sc_opipe);
605 usbd_close_pipe(sc->sc_opipe);
606 sc->sc_opipe = NULL;
607 }
608
609 if (sc->sc_ipipe != NULL) {
610 usbd_abort_pipe(sc->sc_ipipe);
611 usbd_close_pipe(sc->sc_ipipe);
612 sc->sc_ipipe = NULL;
613 }
614
615 if (sc->sc_ibuf != NULL) {
616 free(sc->sc_ibuf, M_USBDEV);
617 sc->sc_ibuf = NULL;
618 }
619 }
620
621 usbd_status
622 uhidev_set_report(struct uhidev *scd, int type, void *data, int len)
623 {
624 char *buf;
625 usbd_status retstat;
626
627 if (scd->sc_report_id == 0)
628 return usbd_set_report(scd->sc_parent->sc_iface, type,
629 scd->sc_report_id, data, len);
630
631 buf = malloc(len + 1, M_TEMP, M_WAITOK);
632 buf[0] = scd->sc_report_id;
633 memcpy(buf+1, data, len);
634
635 retstat = usbd_set_report(scd->sc_parent->sc_iface, type,
636 scd->sc_report_id, buf, len + 1);
637
638 free(buf, M_TEMP);
639
640 return retstat;
641 }
642
643 void
644 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len)
645 {
646 /* XXX */
647 char buf[100];
648 if (scd->sc_report_id) {
649 buf[0] = scd->sc_report_id;
650 memcpy(buf+1, data, len);
651 len++;
652 data = buf;
653 }
654
655 usbd_set_report_async(scd->sc_parent->sc_iface, type,
656 scd->sc_report_id, data, len);
657 }
658
659 usbd_status
660 uhidev_get_report(struct uhidev *scd, int type, void *data, int len)
661 {
662 return usbd_get_report(scd->sc_parent->sc_iface, type,
663 scd->sc_report_id, data, len);
664 }
665
666 usbd_status
667 uhidev_write(struct uhidev_softc *sc, void *data, int len)
668 {
669
670 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len));
671
672 if (sc->sc_opipe == NULL)
673 return USBD_INVAL;
674
675 #ifdef UHIDEV_DEBUG
676 if (uhidevdebug > 50) {
677
678 u_int32_t i;
679 u_int8_t *d = data;
680
681 DPRINTF(("uhidev_write: data ="));
682 for (i = 0; i < len; i++)
683 DPRINTF((" %02x", d[i]));
684 DPRINTF(("\n"));
685 }
686 #endif
687 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0,
688 USBD_NO_TIMEOUT, data, &len, "uhidevwi");
689 }
690