uhidev.c revision 1.29.2.1 1 /* $NetBSD: uhidev.c,v 1.29.2.1 2005/10/26 08:32:45 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 * 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 1.29.2.1 2005/10/26 08:32:45 yamt 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 Static int uhidevsubmatch(struct device *, struct cfdata *,
86 const int *, void *);
87
88 USB_DECLARE_DRIVER(uhidev);
89
90 USB_MATCH(uhidev)
91 {
92 USB_MATCH_START(uhidev, uaa);
93 usb_interface_descriptor_t *id;
94
95 if (uaa->iface == NULL)
96 return (UMATCH_NONE);
97 id = usbd_get_interface_descriptor(uaa->iface);
98 if (id == NULL || id->bInterfaceClass != UICLASS_HID)
99 return (UMATCH_NONE);
100 if (uaa->matchlvl)
101 return (uaa->matchlvl);
102 return (UMATCH_IFACECLASS_GENERIC);
103 }
104
105 USB_ATTACH(uhidev)
106 {
107 USB_ATTACH_START(uhidev, sc, uaa);
108 usbd_interface_handle iface = uaa->iface;
109 usb_interface_descriptor_t *id;
110 usb_endpoint_descriptor_t *ed;
111 struct uhidev_attach_arg uha;
112 struct uhidev *dev;
113 int size, nrepid, repid, repsz;
114 int repsizes[256];
115 int i;
116 void *desc;
117 const void *descptr;
118 usbd_status err;
119 char *devinfop;
120 int locs[UHIDBUSCF_NLOCS];
121
122 sc->sc_udev = uaa->device;
123 sc->sc_iface = iface;
124 id = usbd_get_interface_descriptor(iface);
125
126 devinfop = usbd_devinfo_alloc(uaa->device, 0);
127 USB_ATTACH_SETUP;
128 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
129 devinfop, id->bInterfaceClass, id->bInterfaceSubClass);
130 usbd_devinfo_free(devinfop);
131
132 (void)usbd_set_idle(iface, 0, 0);
133 #if 0
134
135 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags;
136 if ((qflags & UQ_NO_SET_PROTO) == 0 &&
137 id->bInterfaceSubClass != UISUBCLASS_BOOT)
138 (void)usbd_set_protocol(iface, 1);
139 #endif
140
141 sc->sc_iep_addr = sc->sc_oep_addr = -1;
142 for (i = 0; i < id->bNumEndpoints; i++) {
143 ed = usbd_interface2endpoint_descriptor(iface, i);
144 if (ed == NULL) {
145 printf("%s: could not read endpoint descriptor\n",
146 USBDEVNAME(sc->sc_dev));
147 sc->sc_dying = 1;
148 USB_ATTACH_ERROR_RETURN;
149 }
150
151 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d "
152 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d"
153 " bInterval=%d\n",
154 ed->bLength, ed->bDescriptorType,
155 ed->bEndpointAddress & UE_ADDR,
156 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out",
157 ed->bmAttributes & UE_XFERTYPE,
158 UGETW(ed->wMaxPacketSize), ed->bInterval));
159
160 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
161 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
162 sc->sc_iep_addr = ed->bEndpointAddress;
163 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
164 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
165 sc->sc_oep_addr = ed->bEndpointAddress;
166 } else {
167 printf("%s: endpoint %d: ignored\n", USBDEVNAME(sc->sc_dev), i);
168 }
169 }
170
171 /*
172 * Check that we found an input interrupt endpoint. The output interrupt
173 * endpoint is optional
174 */
175 if (sc->sc_iep_addr == -1) {
176 printf("%s: no input interrupt endpoint\n", USBDEVNAME(sc->sc_dev));
177 sc->sc_dying = 1;
178 USB_ATTACH_ERROR_RETURN;
179 }
180
181 /* XXX need to extend this */
182 descptr = NULL;
183 if (uaa->vendor == USB_VENDOR_WACOM) {
184 static uByte reportbuf[] = {2, 2, 2};
185
186 /* The report descriptor for the Wacom Graphire is broken. */
187 switch (uaa->product) {
188 case USB_PRODUCT_WACOM_GRAPHIRE:
189 size = sizeof uhid_graphire_report_descr;
190 descptr = uhid_graphire_report_descr;
191 break;
192
193 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: /* The 6x8 too? */
194 /*
195 * The Graphire3 needs 0x0202 to be written to
196 * feature report ID 2 before it'll start
197 * returning digitizer data.
198 */
199 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2,
200 &reportbuf, sizeof reportbuf);
201
202 size = sizeof uhid_graphire3_4x5_report_descr;
203 descptr = uhid_graphire3_4x5_report_descr;
204 break;
205 default:
206 /* Keep descriptor */
207 break;
208 }
209 }
210
211 if (descptr) {
212 desc = malloc(size, M_USBDEV, M_NOWAIT);
213 if (desc == NULL)
214 err = USBD_NOMEM;
215 else {
216 err = USBD_NORMAL_COMPLETION;
217 memcpy(desc, descptr, size);
218 }
219 } else {
220 desc = NULL;
221 err = usbd_read_report_desc(uaa->iface, &desc, &size,
222 M_USBDEV);
223 }
224 if (err) {
225 printf("%s: no report descriptor\n", USBDEVNAME(sc->sc_dev));
226 sc->sc_dying = 1;
227 USB_ATTACH_ERROR_RETURN;
228 }
229
230 if (uaa->vendor == USB_VENDOR_HOSIDEN &&
231 uaa->product == USB_PRODUCT_HOSIDEN_PPP) {
232 static uByte reportbuf[] = { 1 };
233 /*
234 * This device was sold by Konami with its ParaParaParadise
235 * game for PlayStation2. It needs to be "turned on"
236 * before it will send any reports.
237 */
238
239 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0,
240 &reportbuf, sizeof reportbuf);
241 }
242
243 sc->sc_repdesc = desc;
244 sc->sc_repdesc_size = size;
245
246 uha.uaa = uaa;
247 nrepid = uhidev_maxrepid(desc, size);
248 if (nrepid < 0)
249 USB_ATTACH_SUCCESS_RETURN;
250 if (nrepid > 0)
251 printf("%s: %d report ids\n", USBDEVNAME(sc->sc_dev), nrepid);
252 nrepid++;
253 sc->sc_subdevs = malloc(nrepid * sizeof(device_ptr_t),
254 M_USBDEV, M_NOWAIT | M_ZERO);
255 if (sc->sc_subdevs == NULL) {
256 printf("%s: no memory\n", USBDEVNAME(sc->sc_dev));
257 USB_ATTACH_ERROR_RETURN;
258 }
259 sc->sc_nrepid = nrepid;
260 sc->sc_isize = 0;
261
262 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
263 USBDEV(sc->sc_dev));
264
265 for (repid = 0; repid < nrepid; repid++) {
266 repsz = hid_report_size(desc, size, hid_input, repid);
267 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz));
268 repsizes[repid] = repsz;
269 if (repsz > 0) {
270 if (repsz > sc->sc_isize)
271 sc->sc_isize = repsz;
272 }
273 }
274 sc->sc_isize += nrepid != 1; /* space for report ID */
275 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize));
276
277 uha.parent = sc;
278 for (repid = 0; repid < nrepid; repid++) {
279 DPRINTF(("uhidev_match: try repid=%d\n", repid));
280 if (hid_report_size(desc, size, hid_input, repid) == 0 &&
281 hid_report_size(desc, size, hid_output, repid) == 0 &&
282 hid_report_size(desc, size, hid_feature, repid) == 0) {
283 ; /* already NULL in sc->sc_subdevs[repid] */
284 } else {
285 uha.reportid = repid;
286 locs[UHIDBUSCF_REPORTID] = repid;
287
288 dev = (struct uhidev *)config_found_sm_loc(self,
289 "uhidbus", locs, &uha,
290 uhidevprint, uhidevsubmatch);
291 sc->sc_subdevs[repid] = dev;
292 if (dev != NULL) {
293 dev->sc_in_rep_size = repsizes[repid];
294 #ifdef DIAGNOSTIC
295 DPRINTF(("uhidev_match: repid=%d dev=%p\n",
296 repid, dev));
297 if (dev->sc_intr == NULL) {
298 printf("%s: sc_intr == NULL\n",
299 USBDEVNAME(sc->sc_dev));
300 USB_ATTACH_ERROR_RETURN;
301 }
302 #endif
303 #if NRND > 0
304 rnd_attach_source(&dev->rnd_source,
305 USBDEVNAME(dev->sc_dev),
306 RND_TYPE_TTY, 0);
307 #endif
308 }
309 }
310 }
311
312 USB_ATTACH_SUCCESS_RETURN;
313 }
314
315 int
316 uhidev_maxrepid(void *buf, int len)
317 {
318 struct hid_data *d;
319 struct hid_item h;
320 int maxid;
321
322 maxid = -1;
323 h.report_ID = 0;
324 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); )
325 if (h.report_ID > maxid)
326 maxid = h.report_ID;
327 hid_end_parse(d);
328 return (maxid);
329 }
330
331 int
332 uhidevprint(void *aux, const char *pnp)
333 {
334 struct uhidev_attach_arg *uha = aux;
335
336 if (pnp)
337 aprint_normal("uhid at %s", pnp);
338 if (uha->reportid != 0)
339 aprint_normal(" reportid %d", uha->reportid);
340 return (UNCONF);
341 }
342
343 int
344 uhidevsubmatch(struct device *parent, struct cfdata *cf,
345 const int *locs, void *aux)
346 {
347 struct uhidev_attach_arg *uha = aux;
348
349 if (cf->cf_loc[UHIDBUSCF_REPORTID] != UHIDBUSCF_REPORTID_DEFAULT &&
350 cf->cf_loc[UHIDBUSCF_REPORTID] != locs[UHIDBUSCF_REPORTID])
351 return (0);
352
353 if (cf->cf_loc[UHIDBUSCF_REPORTID] == locs[UHIDBUSCF_REPORTID])
354 uha->matchlvl = UMATCH_VENDOR_PRODUCT;
355 else
356 uha->matchlvl = 0;
357 return (config_match(parent, cf, aux));
358 }
359
360 int
361 uhidev_activate(device_ptr_t self, enum devact act)
362 {
363 struct uhidev_softc *sc = (struct uhidev_softc *)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 USB_DETACH(uhidev)
386 {
387 USB_DETACH_START(uhidev, sc);
388 int i, rv;
389
390 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags));
391
392 sc->sc_dying = 1;
393 if (sc->sc_ipipe != NULL)
394 usbd_abort_pipe(sc->sc_ipipe);
395
396 if (sc->sc_repdesc != NULL)
397 free(sc->sc_repdesc, M_USBDEV);
398
399 rv = 0;
400 for (i = 0; i < sc->sc_nrepid; i++) {
401 if (sc->sc_subdevs[i] != NULL) {
402 #if NRND > 0
403 rnd_detach_source(&sc->sc_subdevs[i]->rnd_source);
404 #endif
405 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags);
406 sc->sc_subdevs[i] = NULL;
407 }
408 }
409
410 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
411 USBDEV(sc->sc_dev));
412
413 return (rv);
414 }
415
416 void
417 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
418 {
419 struct uhidev_softc *sc = addr;
420 struct uhidev *scd;
421 u_char *p;
422 u_int rep;
423 u_int32_t cc;
424
425 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
426
427 #ifdef UHIDEV_DEBUG
428 if (uhidevdebug > 5) {
429 u_int32_t i;
430
431 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc));
432 DPRINTF(("uhidev_intr: data ="));
433 for (i = 0; i < cc; i++)
434 DPRINTF((" %02x", sc->sc_ibuf[i]));
435 DPRINTF(("\n"));
436 }
437 #endif
438
439 if (status == USBD_CANCELLED)
440 return;
441
442 if (status != USBD_NORMAL_COMPLETION) {
443 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev),
444 status));
445 usbd_clear_endpoint_stall_async(sc->sc_ipipe);
446 return;
447 }
448
449 p = sc->sc_ibuf;
450 if (sc->sc_nrepid != 1)
451 rep = *p++, cc--;
452 else
453 rep = 0;
454 if (rep >= sc->sc_nrepid) {
455 printf("uhidev_intr: bad repid %d\n", rep);
456 return;
457 }
458 scd = sc->sc_subdevs[rep];
459 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n",
460 rep, scd, scd ? scd->sc_state : 0));
461 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN))
462 return;
463 if (scd->sc_in_rep_size != cc) {
464 printf("%s: bad input length %d != %d\n",
465 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc);
466 return;
467 }
468 #if NRND > 0
469 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf));
470 #endif
471 scd->sc_intr(scd, p, cc);
472 }
473
474 void
475 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size)
476 {
477 *desc = sc->sc_repdesc;
478 *size = sc->sc_repdesc_size;
479 }
480
481 int
482 uhidev_open(struct uhidev *scd)
483 {
484 struct uhidev_softc *sc = scd->sc_parent;
485 usbd_status err;
486 int error;
487
488 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n",
489 scd->sc_state, sc->sc_refcnt));
490
491 if (scd->sc_state & UHIDEV_OPEN)
492 return (EBUSY);
493 scd->sc_state |= UHIDEV_OPEN;
494 if (sc->sc_refcnt++)
495 return (0);
496
497 if (sc->sc_isize == 0)
498 return (0);
499
500 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
501
502 /* Set up input interrupt pipe. */
503 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize,
504 sc->sc_iep_addr));
505
506 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr,
507 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf,
508 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL);
509 if (err != USBD_NORMAL_COMPLETION) {
510 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, "
511 "error=%d\n", err));
512 error = EIO;
513 goto out1;
514 }
515
516 /*
517 * Set up output interrupt pipe if an output interrupt endpoint
518 * exists.
519 */
520 if (sc->sc_oep_addr != -1) {
521 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr));
522
523 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr,
524 0, &sc->sc_opipe);
525
526 if (err != USBD_NORMAL_COMPLETION) {
527 DPRINTF(("uhidev_open: usbd_open_pipe failed, "
528 "error=%d\n", err));
529 error = EIO;
530 goto out2;
531 }
532 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe));
533
534 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev);
535 if (sc->sc_oxfer == NULL) {
536 DPRINTF(("uhidev_open: couldn't allocate an xfer\n"));
537 error = ENOMEM;
538 goto out3;
539 }
540 }
541
542 return (0);
543 out3:
544 /* Abort output pipe */
545 usbd_close_pipe(sc->sc_opipe);
546 out2:
547 /* Abort input pipe */
548 usbd_close_pipe(sc->sc_ipipe);
549 out1:
550 DPRINTF(("uhidev_open: failed in someway"));
551 free(sc->sc_ibuf, M_USBDEV);
552 scd->sc_state &= ~UHIDEV_OPEN;
553 sc->sc_refcnt = 0;
554 sc->sc_ipipe = NULL;
555 sc->sc_opipe = NULL;
556 sc->sc_oxfer = NULL;
557 return error;
558 }
559
560 void
561 uhidev_close(struct uhidev *scd)
562 {
563 struct uhidev_softc *sc = scd->sc_parent;
564
565 if (!(scd->sc_state & UHIDEV_OPEN))
566 return;
567 scd->sc_state &= ~UHIDEV_OPEN;
568 if (--sc->sc_refcnt)
569 return;
570 DPRINTF(("uhidev_close: close pipe\n"));
571
572 if (sc->sc_oxfer != NULL)
573 usbd_free_xfer(sc->sc_oxfer);
574
575 /* Disable interrupts. */
576 if (sc->sc_opipe != NULL) {
577 usbd_abort_pipe(sc->sc_opipe);
578 usbd_close_pipe(sc->sc_opipe);
579 sc->sc_opipe = NULL;
580 }
581
582 if (sc->sc_ipipe != NULL) {
583 usbd_abort_pipe(sc->sc_ipipe);
584 usbd_close_pipe(sc->sc_ipipe);
585 sc->sc_ipipe = NULL;
586 }
587
588 if (sc->sc_ibuf != NULL) {
589 free(sc->sc_ibuf, M_USBDEV);
590 sc->sc_ibuf = NULL;
591 }
592 }
593
594 usbd_status
595 uhidev_set_report(struct uhidev *scd, int type, void *data, int len)
596 {
597 char *buf;
598 usbd_status retstat;
599
600 if (scd->sc_report_id == 0)
601 return usbd_set_report(scd->sc_parent->sc_iface, type,
602 scd->sc_report_id, data, len);
603
604 buf = malloc(len + 1, M_TEMP, M_WAITOK);
605 buf[0] = scd->sc_report_id;
606 memcpy(buf+1, data, len);
607
608 retstat = usbd_set_report(scd->sc_parent->sc_iface, type,
609 scd->sc_report_id, buf, len + 1);
610
611 free(buf, M_TEMP);
612
613 return retstat;
614 }
615
616 void
617 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len)
618 {
619 /* XXX */
620 char buf[100];
621 if (scd->sc_report_id) {
622 buf[0] = scd->sc_report_id;
623 memcpy(buf+1, data, len);
624 len++;
625 data = buf;
626 }
627
628 usbd_set_report_async(scd->sc_parent->sc_iface, type,
629 scd->sc_report_id, data, len);
630 }
631
632 usbd_status
633 uhidev_get_report(struct uhidev *scd, int type, void *data, int len)
634 {
635 return usbd_get_report(scd->sc_parent->sc_iface, type,
636 scd->sc_report_id, data, len);
637 }
638
639 usbd_status
640 uhidev_write(struct uhidev_softc *sc, void *data, int len)
641 {
642
643 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len));
644
645 if (sc->sc_opipe == NULL)
646 return USBD_INVAL;
647
648 #ifdef UHIDEV_DEBUG
649 if (uhidevdebug > 50) {
650
651 u_int32_t i;
652 u_int8_t *d = data;
653
654 DPRINTF(("uhidev_write: data ="));
655 for (i = 0; i < len; i++)
656 DPRINTF((" %02x", d[i]));
657 DPRINTF(("\n"));
658 }
659 #endif
660 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0,
661 USBD_NO_TIMEOUT, data, &len, "uhidevwi");
662 }
663