uhidev.c revision 1.53 1 /* $NetBSD: uhidev.c,v 1.53 2011/12/22 20:07:01 jakllsch 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 1.53 2011/12/22 20:07:01 jakllsch 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 /* Report descriptor for game controllers in "XInput" mode */
63 #include <dev/usb/xinput_rdesc.h>
64
65 #include "locators.h"
66
67 #ifdef UHIDEV_DEBUG
68 #define DPRINTF(x) if (uhidevdebug) printf x
69 #define DPRINTFN(n,x) if (uhidevdebug>(n)) printf x
70 int uhidevdebug = 0;
71 #else
72 #define DPRINTF(x)
73 #define DPRINTFN(n,x)
74 #endif
75
76 Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
77
78 Static int uhidev_maxrepid(void *, int);
79 Static int uhidevprint(void *, const char *);
80
81 int uhidev_match(device_t, cfdata_t, void *);
82 void uhidev_attach(device_t, device_t, void *);
83 void uhidev_childdet(device_t, device_t);
84 int uhidev_detach(device_t, int);
85 int uhidev_activate(device_t, enum devact);
86 extern struct cfdriver uhidev_cd;
87 CFATTACH_DECL2_NEW(uhidev, sizeof(struct uhidev_softc), uhidev_match,
88 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet);
89
90 int
91 uhidev_match(device_t parent, cfdata_t match, void *aux)
92 {
93 struct usbif_attach_arg *uaa = aux;
94
95 /* Game controllers in "XInput" mode */
96 if (USBIF_IS_XINPUT(uaa))
97 return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO;
98 if (uaa->class != UICLASS_HID)
99 return (UMATCH_NONE);
100 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE)
101 return (UMATCH_NONE);
102 return (UMATCH_IFACECLASS_GENERIC);
103 }
104
105 void
106 uhidev_attach(device_t parent, device_t self, void *aux)
107 {
108 struct uhidev_softc *sc = device_private(self);
109 struct usbif_attach_arg *uaa = aux;
110 usbd_interface_handle iface = uaa->iface;
111 usb_interface_descriptor_t *id;
112 usb_endpoint_descriptor_t *ed;
113 struct uhidev_attach_arg uha;
114 device_t dev;
115 struct uhidev *csc;
116 int maxinpktsize, size, nrepid, repid, repsz;
117 int *repsizes;
118 int i;
119 void *desc;
120 const void *descptr;
121 usbd_status err;
122 char *devinfop;
123 int locs[UHIDBUSCF_NLOCS];
124
125 sc->sc_dev = self;
126 sc->sc_udev = uaa->device;
127 sc->sc_iface = iface;
128
129 aprint_naive("\n");
130 aprint_normal("\n");
131
132 id = usbd_get_interface_descriptor(iface);
133
134 devinfop = usbd_devinfo_alloc(uaa->device, 0);
135 aprint_normal_dev(self, "%s, iclass %d/%d\n",
136 devinfop, id->bInterfaceClass, id->bInterfaceSubClass);
137 usbd_devinfo_free(devinfop);
138
139 if (!pmf_device_register(self, NULL, NULL))
140 aprint_error_dev(self, "couldn't establish power handler\n");
141
142 (void)usbd_set_idle(iface, 0, 0);
143 #if 0
144
145 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags;
146 if ((qflags & UQ_NO_SET_PROTO) == 0 &&
147 id->bInterfaceSubClass != UISUBCLASS_BOOT)
148 (void)usbd_set_protocol(iface, 1);
149 #endif
150
151 maxinpktsize = 0;
152 sc->sc_iep_addr = sc->sc_oep_addr = -1;
153 for (i = 0; i < id->bNumEndpoints; i++) {
154 ed = usbd_interface2endpoint_descriptor(iface, i);
155 if (ed == NULL) {
156 aprint_error_dev(self,
157 "could not read endpoint descriptor\n");
158 sc->sc_dying = 1;
159 return;
160 }
161
162 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d "
163 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d"
164 " bInterval=%d\n",
165 ed->bLength, ed->bDescriptorType,
166 ed->bEndpointAddress & UE_ADDR,
167 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out",
168 ed->bmAttributes & UE_XFERTYPE,
169 UGETW(ed->wMaxPacketSize), ed->bInterval));
170
171 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
172 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
173 maxinpktsize = UGETW(ed->wMaxPacketSize);
174 sc->sc_iep_addr = ed->bEndpointAddress;
175 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
176 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
177 sc->sc_oep_addr = ed->bEndpointAddress;
178 } else {
179 aprint_verbose_dev(self, "endpoint %d: ignored\n", i);
180 }
181 }
182
183 /*
184 * Check that we found an input interrupt endpoint. The output interrupt
185 * endpoint is optional
186 */
187 if (sc->sc_iep_addr == -1) {
188 aprint_error_dev(self, "no input interrupt endpoint\n");
189 sc->sc_dying = 1;
190 return;
191 }
192
193 /* XXX need to extend this */
194 descptr = NULL;
195 if (uaa->vendor == USB_VENDOR_WACOM) {
196 static uByte reportbuf[] = {2, 2, 2};
197
198 /* The report descriptor for the Wacom Graphire is broken. */
199 switch (uaa->product) {
200 case USB_PRODUCT_WACOM_GRAPHIRE:
201 case USB_PRODUCT_WACOM_GRAPHIRE2:
202 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5:
203 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8:
204 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */
205 /*
206 * The Graphire3 needs 0x0202 to be written to
207 * feature report ID 2 before it'll start
208 * returning digitizer data.
209 */
210 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2,
211 &reportbuf, sizeof reportbuf);
212
213 size = sizeof uhid_graphire3_4x5_report_descr;
214 descptr = uhid_graphire3_4x5_report_descr;
215 break;
216 default:
217 /* Keep descriptor */
218 break;
219 }
220 }
221 if (USBIF_IS_XINPUT(uaa)) {
222 size = sizeof uhid_xinput_report_descr;
223 descptr = uhid_xinput_report_descr;
224 }
225
226 if (descptr) {
227 desc = malloc(size, M_USBDEV, M_NOWAIT);
228 if (desc == NULL)
229 err = USBD_NOMEM;
230 else {
231 err = USBD_NORMAL_COMPLETION;
232 memcpy(desc, descptr, size);
233 }
234 } else {
235 desc = NULL;
236 err = usbd_read_report_desc(uaa->iface, &desc, &size,
237 M_USBDEV);
238 }
239 if (err) {
240 aprint_error_dev(self, "no report descriptor\n");
241 sc->sc_dying = 1;
242 return;
243 }
244
245 if (uaa->vendor == USB_VENDOR_HOSIDEN &&
246 uaa->product == USB_PRODUCT_HOSIDEN_PPP) {
247 static uByte reportbuf[] = { 1 };
248 /*
249 * This device was sold by Konami with its ParaParaParadise
250 * game for PlayStation2. It needs to be "turned on"
251 * before it will send any reports.
252 */
253
254 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0,
255 &reportbuf, sizeof reportbuf);
256 }
257
258 if (uaa->vendor == USB_VENDOR_LOGITECH &&
259 uaa->product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) {
260 uint8_t *data = desc;
261 /*
262 * This device has a odd USAGE_MINIMUM value that would
263 * cause the multimedia keys to have their usage number
264 * shifted up one usage. Adjust so the usages are sane.
265 */
266
267 if (data[0x56] == 0x19 && data[0x57] == 0x01 &&
268 data[0x58] == 0x2a && data[0x59] == 0x8c)
269 data[0x57] = 0x00;
270 }
271
272 /*
273 * Enable the Six Axis and DualShock 3 controllers.
274 * See http://ps3.jim.sh/sixaxis/usb/
275 */
276 if (uaa->vendor == USB_VENDOR_SONY &&
277 uaa->product == USB_PRODUCT_SONY_PS3CONTROLLER) {
278 usb_device_request_t req;
279 char data[17];
280 int actlen;
281
282 req.bmRequestType = UT_READ_CLASS_INTERFACE;
283 req.bRequest = 1;
284 USETW(req.wValue, 0x3f2);
285 USETW(req.wIndex, 0);
286 USETW(req.wLength, sizeof data);
287
288 usbd_do_request_flags(sc->sc_udev, &req, data,
289 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT);
290 }
291
292 sc->sc_repdesc = desc;
293 sc->sc_repdesc_size = size;
294
295 uha.uaa = uaa;
296 nrepid = uhidev_maxrepid(desc, size);
297 if (nrepid < 0)
298 return;
299 if (nrepid > 0)
300 aprint_normal_dev(self, "%d report ids\n", nrepid);
301 nrepid++;
302 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT);
303 if (repsizes == NULL)
304 goto nomem;
305 sc->sc_subdevs = malloc(nrepid * sizeof(device_t),
306 M_USBDEV, M_NOWAIT | M_ZERO);
307 if (sc->sc_subdevs == NULL) {
308 free(repsizes, M_TEMP);
309 nomem:
310 aprint_error_dev(self, "no memory\n");
311 return;
312 }
313
314 /* Just request max packet size for the interrupt pipe */
315 sc->sc_isize = maxinpktsize;
316 sc->sc_nrepid = nrepid;
317
318 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
319 sc->sc_dev);
320
321 for (repid = 0; repid < nrepid; repid++) {
322 repsz = hid_report_size(desc, size, hid_input, repid);
323 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz));
324 repsizes[repid] = repsz;
325 }
326
327 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize));
328
329 uha.parent = sc;
330 for (repid = 0; repid < nrepid; repid++) {
331 DPRINTF(("uhidev_match: try repid=%d\n", repid));
332 if (hid_report_size(desc, size, hid_input, repid) == 0 &&
333 hid_report_size(desc, size, hid_output, repid) == 0 &&
334 hid_report_size(desc, size, hid_feature, repid) == 0) {
335 ; /* already NULL in sc->sc_subdevs[repid] */
336 } else {
337 uha.reportid = repid;
338 locs[UHIDBUSCF_REPORTID] = repid;
339
340 dev = config_found_sm_loc(self,
341 "uhidbus", locs, &uha,
342 uhidevprint, config_stdsubmatch);
343 sc->sc_subdevs[repid] = dev;
344 if (dev != NULL) {
345 csc = device_private(dev);
346 csc->sc_in_rep_size = repsizes[repid];
347 #ifdef DIAGNOSTIC
348 DPRINTF(("uhidev_match: repid=%d dev=%p\n",
349 repid, dev));
350 if (csc->sc_intr == NULL) {
351 free(repsizes, M_TEMP);
352 aprint_error_dev(self,
353 "sc_intr == NULL\n");
354 return;
355 }
356 #endif
357 #if NRND > 0
358 rnd_attach_source(&csc->rnd_source,
359 device_xname(dev),
360 RND_TYPE_TTY, 0);
361 #endif
362 }
363 }
364 }
365 free(repsizes, M_TEMP);
366
367 return;
368 }
369
370 int
371 uhidev_maxrepid(void *buf, int len)
372 {
373 struct hid_data *d;
374 struct hid_item h;
375 int maxid;
376
377 maxid = -1;
378 h.report_ID = 0;
379 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); )
380 if (h.report_ID > maxid)
381 maxid = h.report_ID;
382 hid_end_parse(d);
383 return (maxid);
384 }
385
386 int
387 uhidevprint(void *aux, const char *pnp)
388 {
389 struct uhidev_attach_arg *uha = aux;
390
391 if (pnp)
392 aprint_normal("uhid at %s", pnp);
393 if (uha->reportid != 0)
394 aprint_normal(" reportid %d", uha->reportid);
395 return (UNCONF);
396 }
397
398 int
399 uhidev_activate(device_t self, enum devact act)
400 {
401 struct uhidev_softc *sc = device_private(self);
402
403 switch (act) {
404 case DVACT_DEACTIVATE:
405 sc->sc_dying = 1;
406 return 0;
407 default:
408 return EOPNOTSUPP;
409 }
410 }
411
412 void
413 uhidev_childdet(device_t self, device_t child)
414 {
415 int i;
416 struct uhidev_softc *sc = device_private(self);
417
418 for (i = 0; i < sc->sc_nrepid; i++) {
419 if (sc->sc_subdevs[i] == child)
420 break;
421 }
422 KASSERT(i < sc->sc_nrepid);
423 sc->sc_subdevs[i] = NULL;
424 }
425
426 int
427 uhidev_detach(device_t self, int flags)
428 {
429 struct uhidev_softc *sc = device_private(self);
430 int i, rv;
431 #if NRND > 0
432 struct uhidev *csc;
433 #endif
434
435 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags));
436
437 sc->sc_dying = 1;
438 if (sc->sc_ipipe != NULL)
439 usbd_abort_pipe(sc->sc_ipipe);
440
441 if (sc->sc_repdesc != NULL)
442 free(sc->sc_repdesc, M_USBDEV);
443
444 rv = 0;
445 for (i = 0; i < sc->sc_nrepid; i++) {
446 if (sc->sc_subdevs[i] != NULL) {
447 #if NRND > 0
448 csc = device_private(sc->sc_subdevs[i]);
449 rnd_detach_source(&csc->rnd_source);
450 #endif
451 rv |= config_detach(sc->sc_subdevs[i], flags);
452 }
453 }
454
455 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
456 sc->sc_dev);
457
458 pmf_device_deregister(self);
459
460 return (rv);
461 }
462
463 void
464 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
465 {
466 struct uhidev_softc *sc = addr;
467 device_t cdev;
468 struct uhidev *scd;
469 u_char *p;
470 u_int rep;
471 u_int32_t cc;
472
473 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
474
475 #ifdef UHIDEV_DEBUG
476 if (uhidevdebug > 5) {
477 u_int32_t i;
478
479 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc));
480 DPRINTF(("uhidev_intr: data ="));
481 for (i = 0; i < cc; i++)
482 DPRINTF((" %02x", sc->sc_ibuf[i]));
483 DPRINTF(("\n"));
484 }
485 #endif
486
487 if (status == USBD_CANCELLED)
488 return;
489
490 if (status != USBD_NORMAL_COMPLETION) {
491 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev),
492 status));
493 usbd_clear_endpoint_stall_async(sc->sc_ipipe);
494 return;
495 }
496
497 p = sc->sc_ibuf;
498 if (sc->sc_nrepid != 1)
499 rep = *p++, cc--;
500 else
501 rep = 0;
502 if (rep >= sc->sc_nrepid) {
503 printf("uhidev_intr: bad repid %d\n", rep);
504 return;
505 }
506 cdev = sc->sc_subdevs[rep];
507 if (!cdev)
508 return;
509 scd = device_private(cdev);
510 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n",
511 rep, scd, scd ? scd->sc_state : 0));
512 if (!(scd->sc_state & UHIDEV_OPEN))
513 return;
514 #ifdef UHIDEV_DEBUG
515 if (scd->sc_in_rep_size != cc) {
516 DPRINTF(("%s: expected %d bytes, got %d\n",
517 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc));
518 }
519 #endif
520 if (cc == 0) {
521 DPRINTF(("%s: 0-length input ignored\n",
522 device_xname(sc->sc_dev)));
523 return;
524 }
525 #if NRND > 0
526 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf));
527 #endif
528 scd->sc_intr(scd, p, cc);
529 }
530
531 void
532 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size)
533 {
534 *desc = sc->sc_repdesc;
535 *size = sc->sc_repdesc_size;
536 }
537
538 int
539 uhidev_open(struct uhidev *scd)
540 {
541 struct uhidev_softc *sc = scd->sc_parent;
542 usbd_status err;
543 int error;
544
545 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n",
546 scd->sc_state, sc->sc_refcnt));
547
548 if (scd->sc_state & UHIDEV_OPEN)
549 return (EBUSY);
550 scd->sc_state |= UHIDEV_OPEN;
551 if (sc->sc_refcnt++)
552 return (0);
553
554 if (sc->sc_isize == 0)
555 return (0);
556
557 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
558
559 /* Set up input interrupt pipe. */
560 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize,
561 sc->sc_iep_addr));
562
563 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr,
564 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf,
565 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL);
566 if (err != USBD_NORMAL_COMPLETION) {
567 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, "
568 "error=%d\n", err));
569 error = EIO;
570 goto out1;
571 }
572
573 /*
574 * Set up output interrupt pipe if an output interrupt endpoint
575 * exists.
576 */
577 if (sc->sc_oep_addr != -1) {
578 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr));
579
580 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr,
581 0, &sc->sc_opipe);
582
583 if (err != USBD_NORMAL_COMPLETION) {
584 DPRINTF(("uhidev_open: usbd_open_pipe failed, "
585 "error=%d\n", err));
586 error = EIO;
587 goto out2;
588 }
589 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe));
590
591 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev);
592 if (sc->sc_oxfer == NULL) {
593 DPRINTF(("uhidev_open: couldn't allocate an xfer\n"));
594 error = ENOMEM;
595 goto out3;
596 }
597 }
598
599 return (0);
600 out3:
601 /* Abort output pipe */
602 usbd_close_pipe(sc->sc_opipe);
603 out2:
604 /* Abort input pipe */
605 usbd_close_pipe(sc->sc_ipipe);
606 out1:
607 DPRINTF(("uhidev_open: failed in someway"));
608 free(sc->sc_ibuf, M_USBDEV);
609 scd->sc_state &= ~UHIDEV_OPEN;
610 sc->sc_refcnt = 0;
611 sc->sc_ipipe = NULL;
612 sc->sc_opipe = NULL;
613 sc->sc_oxfer = NULL;
614 return error;
615 }
616
617 void
618 uhidev_close(struct uhidev *scd)
619 {
620 struct uhidev_softc *sc = scd->sc_parent;
621
622 if (!(scd->sc_state & UHIDEV_OPEN))
623 return;
624 scd->sc_state &= ~UHIDEV_OPEN;
625 if (--sc->sc_refcnt)
626 return;
627 DPRINTF(("uhidev_close: close pipe\n"));
628
629 if (sc->sc_oxfer != NULL)
630 usbd_free_xfer(sc->sc_oxfer);
631
632 /* Disable interrupts. */
633 if (sc->sc_opipe != NULL) {
634 usbd_abort_pipe(sc->sc_opipe);
635 usbd_close_pipe(sc->sc_opipe);
636 sc->sc_opipe = NULL;
637 }
638
639 if (sc->sc_ipipe != NULL) {
640 usbd_abort_pipe(sc->sc_ipipe);
641 usbd_close_pipe(sc->sc_ipipe);
642 sc->sc_ipipe = NULL;
643 }
644
645 if (sc->sc_ibuf != NULL) {
646 free(sc->sc_ibuf, M_USBDEV);
647 sc->sc_ibuf = NULL;
648 }
649 }
650
651 usbd_status
652 uhidev_set_report(struct uhidev *scd, int type, void *data, int len)
653 {
654 char *buf;
655 usbd_status retstat;
656
657 if (scd->sc_report_id == 0)
658 return usbd_set_report(scd->sc_parent->sc_iface, type,
659 scd->sc_report_id, data, len);
660
661 buf = malloc(len + 1, M_TEMP, M_WAITOK);
662 buf[0] = scd->sc_report_id;
663 memcpy(buf+1, data, len);
664
665 retstat = usbd_set_report(scd->sc_parent->sc_iface, type,
666 scd->sc_report_id, buf, len + 1);
667
668 free(buf, M_TEMP);
669
670 return retstat;
671 }
672
673 void
674 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len)
675 {
676 /* XXX */
677 char buf[100];
678 if (scd->sc_report_id) {
679 buf[0] = scd->sc_report_id;
680 memcpy(buf+1, data, len);
681 len++;
682 data = buf;
683 }
684
685 usbd_set_report_async(scd->sc_parent->sc_iface, type,
686 scd->sc_report_id, data, len);
687 }
688
689 usbd_status
690 uhidev_get_report(struct uhidev *scd, int type, void *data, int len)
691 {
692 return usbd_get_report(scd->sc_parent->sc_iface, type,
693 scd->sc_report_id, data, len);
694 }
695
696 usbd_status
697 uhidev_write(struct uhidev_softc *sc, void *data, int len)
698 {
699
700 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len));
701
702 if (sc->sc_opipe == NULL)
703 return USBD_INVAL;
704
705 #ifdef UHIDEV_DEBUG
706 if (uhidevdebug > 50) {
707
708 u_int32_t i;
709 u_int8_t *d = data;
710
711 DPRINTF(("uhidev_write: data ="));
712 for (i = 0; i < len; i++)
713 DPRINTF((" %02x", d[i]));
714 DPRINTF(("\n"));
715 }
716 #endif
717 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0,
718 USBD_NO_TIMEOUT, data, &len, "uhidevwi");
719 }
720