1 /* $NetBSD: uhid.c,v 1.46 2001/11/13 06:24:55 lukem Exp $ */
3 /* Also already merged from NetBSD:
4 * $NetBSD: uhid.c,v 1.54 2002/09/23 05:51:21 simonb Exp $
11 * Copyright (c) 1998 The NetBSD Foundation, Inc.
12 * All rights reserved.
14 * This code is derived from software contributed to The NetBSD Foundation
15 * by Lennart Augustsson (lennart@augustsson.net) at
16 * Carlstedt Research & Technology.
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution.
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.
41 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
44 #include <sys/stdint.h>
45 #include <sys/stddef.h>
46 #include <sys/param.h>
47 #include <sys/queue.h>
48 #include <sys/types.h>
49 #include <sys/systm.h>
50 #include <sys/kernel.h>
52 #include <sys/module.h>
54 #include <sys/mutex.h>
55 #include <sys/condvar.h>
56 #include <sys/sysctl.h>
58 #include <sys/unistd.h>
59 #include <sys/callout.h>
60 #include <sys/malloc.h>
63 #include <sys/fcntl.h>
66 #include <dev/usb/usb.h>
67 #include <dev/usb/usbdi.h>
68 #include <dev/usb/usbdi_util.h>
69 #include <dev/usb/usbhid.h>
70 #include <dev/usb/usb_ioctl.h>
72 #define USB_DEBUG_VAR uhid_debug
73 #include <dev/usb/usb_debug.h>
75 #include <dev/usb/input/usb_rdesc.h>
76 #include <dev/usb/quirk/usb_quirk.h>
79 static int uhid_debug = 0;
81 static SYSCTL_NODE(_hw_usb, OID_AUTO, uhid, CTLFLAG_RW, 0, "USB uhid");
82 SYSCTL_INT(_hw_usb_uhid, OID_AUTO, debug, CTLFLAG_RW,
83 &uhid_debug, 0, "Debug level");
86 #define UHID_BSIZE 1024 /* bytes, buffer size */
87 #define UHID_FRAME_NUM 50 /* bytes, frame number */
98 struct usb_fifo_sc sc_fifo;
101 struct usb_xfer *sc_xfer[UHID_N_TRANSFER];
102 struct usb_device *sc_udev;
103 void *sc_repdesc_ptr;
109 uint16_t sc_repdesc_size;
112 uint8_t sc_iface_index;
117 #define UHID_FLAG_IMMED 0x01 /* set if read should be immediate */
118 #define UHID_FLAG_STATIC_DESC 0x04 /* set if report descriptors are
122 static const uint8_t uhid_xb360gp_report_descr[] = {UHID_XB360GP_REPORT_DESCR()};
123 static const uint8_t uhid_graphire_report_descr[] = {UHID_GRAPHIRE_REPORT_DESCR()};
124 static const uint8_t uhid_graphire3_4x5_report_descr[] = {UHID_GRAPHIRE3_4X5_REPORT_DESCR()};
128 static device_probe_t uhid_probe;
129 static device_attach_t uhid_attach;
130 static device_detach_t uhid_detach;
132 static usb_callback_t uhid_intr_write_callback;
133 static usb_callback_t uhid_intr_read_callback;
134 static usb_callback_t uhid_write_callback;
135 static usb_callback_t uhid_read_callback;
137 static usb_fifo_cmd_t uhid_start_read;
138 static usb_fifo_cmd_t uhid_stop_read;
139 static usb_fifo_cmd_t uhid_start_write;
140 static usb_fifo_cmd_t uhid_stop_write;
141 static usb_fifo_open_t uhid_open;
142 static usb_fifo_close_t uhid_close;
143 static usb_fifo_ioctl_t uhid_ioctl;
145 static struct usb_fifo_methods uhid_fifo_methods = {
146 .f_open = &uhid_open,
147 .f_close = &uhid_close,
148 .f_ioctl = &uhid_ioctl,
149 .f_start_read = &uhid_start_read,
150 .f_stop_read = &uhid_stop_read,
151 .f_start_write = &uhid_start_write,
152 .f_stop_write = &uhid_stop_write,
153 .basename[0] = "uhid",
157 uhid_intr_write_callback(struct usb_xfer *xfer, usb_error_t error)
159 struct uhid_softc *sc = usbd_xfer_softc(xfer);
160 struct usb_page_cache *pc;
163 switch (USB_GET_STATE(xfer)) {
164 case USB_ST_TRANSFERRED:
167 pc = usbd_xfer_get_frame(xfer, 0);
168 if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc,
169 0, usbd_xfer_max_len(xfer), &actlen, 0)) {
170 usbd_xfer_set_frame_len(xfer, 0, actlen);
171 usbd_transfer_submit(xfer);
176 if (error != USB_ERR_CANCELLED) {
177 /* try to clear stall first */
178 usbd_xfer_set_stall(xfer);
186 uhid_intr_read_callback(struct usb_xfer *xfer, usb_error_t error)
188 struct uhid_softc *sc = usbd_xfer_softc(xfer);
189 struct usb_page_cache *pc;
192 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
194 switch (USB_GET_STATE(xfer)) {
195 case USB_ST_TRANSFERRED:
196 DPRINTF("transferred!\n");
198 pc = usbd_xfer_get_frame(xfer, 0);
201 * If the ID byte is non zero we allow descriptors
202 * having multiple sizes:
204 if ((actlen >= (int)sc->sc_isize) ||
205 ((actlen > 0) && (sc->sc_iid != 0))) {
206 /* limit report length to the maximum */
207 if (actlen > (int)sc->sc_isize)
208 actlen = sc->sc_isize;
209 usb_fifo_put_data(sc->sc_fifo.fp[USB_FIFO_RX], pc,
213 DPRINTF("ignored transfer, %d bytes\n", actlen);
218 if (usb_fifo_put_bytes_max(
219 sc->sc_fifo.fp[USB_FIFO_RX]) != 0) {
220 usbd_xfer_set_frame_len(xfer, 0, sc->sc_isize);
221 usbd_transfer_submit(xfer);
226 if (error != USB_ERR_CANCELLED) {
227 /* try to clear stall first */
228 usbd_xfer_set_stall(xfer);
236 uhid_fill_set_report(struct usb_device_request *req, uint8_t iface_no,
237 uint8_t type, uint8_t id, uint16_t size)
239 req->bmRequestType = UT_WRITE_CLASS_INTERFACE;
240 req->bRequest = UR_SET_REPORT;
241 USETW2(req->wValue, type, id);
242 req->wIndex[0] = iface_no;
244 USETW(req->wLength, size);
248 uhid_fill_get_report(struct usb_device_request *req, uint8_t iface_no,
249 uint8_t type, uint8_t id, uint16_t size)
251 req->bmRequestType = UT_READ_CLASS_INTERFACE;
252 req->bRequest = UR_GET_REPORT;
253 USETW2(req->wValue, type, id);
254 req->wIndex[0] = iface_no;
256 USETW(req->wLength, size);
260 uhid_write_callback(struct usb_xfer *xfer, usb_error_t error)
262 struct uhid_softc *sc = usbd_xfer_softc(xfer);
263 struct usb_device_request req;
264 struct usb_page_cache *pc;
265 uint32_t size = sc->sc_osize;
269 switch (USB_GET_STATE(xfer)) {
270 case USB_ST_TRANSFERRED:
272 /* try to extract the ID byte */
274 pc = usbd_xfer_get_frame(xfer, 0);
275 if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc,
280 usbd_copy_out(pc, 0, &id, 1);
292 pc = usbd_xfer_get_frame(xfer, 1);
293 if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc,
294 0, UHID_BSIZE, &actlen, 1)) {
295 if (actlen != size) {
299 (&req, sc->sc_iface_no,
300 UHID_OUTPUT_REPORT, id, size);
302 pc = usbd_xfer_get_frame(xfer, 0);
303 usbd_copy_in(pc, 0, &req, sizeof(req));
305 usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
306 usbd_xfer_set_frame_len(xfer, 1, size);
307 usbd_xfer_set_frames(xfer, size ? 2 : 1);
308 usbd_transfer_submit(xfer);
315 usb_fifo_get_data_error(sc->sc_fifo.fp[USB_FIFO_TX]);
321 uhid_read_callback(struct usb_xfer *xfer, usb_error_t error)
323 struct uhid_softc *sc = usbd_xfer_softc(xfer);
324 struct usb_device_request req;
325 struct usb_page_cache *pc;
327 pc = usbd_xfer_get_frame(xfer, 0);
329 switch (USB_GET_STATE(xfer)) {
330 case USB_ST_TRANSFERRED:
331 usb_fifo_put_data(sc->sc_fifo.fp[USB_FIFO_RX], pc, sizeof(req),
337 if (usb_fifo_put_bytes_max(sc->sc_fifo.fp[USB_FIFO_RX]) > 0) {
340 (&req, sc->sc_iface_no, UHID_INPUT_REPORT,
341 sc->sc_iid, sc->sc_isize);
343 usbd_copy_in(pc, 0, &req, sizeof(req));
345 usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
346 usbd_xfer_set_frame_len(xfer, 1, sc->sc_isize);
347 usbd_xfer_set_frames(xfer, sc->sc_isize ? 2 : 1);
348 usbd_transfer_submit(xfer);
354 usb_fifo_put_data_error(sc->sc_fifo.fp[USB_FIFO_RX]);
359 static const struct usb_config uhid_config[UHID_N_TRANSFER] = {
361 [UHID_INTR_DT_WR] = {
362 .type = UE_INTERRUPT,
363 .endpoint = UE_ADDR_ANY,
364 .direction = UE_DIR_OUT,
365 .flags = {.pipe_bof = 1,.no_pipe_ok = 1, },
366 .bufsize = UHID_BSIZE,
367 .callback = &uhid_intr_write_callback,
370 [UHID_INTR_DT_RD] = {
371 .type = UE_INTERRUPT,
372 .endpoint = UE_ADDR_ANY,
373 .direction = UE_DIR_IN,
374 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
375 .bufsize = UHID_BSIZE,
376 .callback = &uhid_intr_read_callback,
379 [UHID_CTRL_DT_WR] = {
381 .endpoint = 0x00, /* Control pipe */
382 .direction = UE_DIR_ANY,
383 .bufsize = sizeof(struct usb_device_request) + UHID_BSIZE,
384 .callback = &uhid_write_callback,
385 .timeout = 1000, /* 1 second */
388 [UHID_CTRL_DT_RD] = {
390 .endpoint = 0x00, /* Control pipe */
391 .direction = UE_DIR_ANY,
392 .bufsize = sizeof(struct usb_device_request) + UHID_BSIZE,
393 .callback = &uhid_read_callback,
394 .timeout = 1000, /* 1 second */
399 uhid_start_read(struct usb_fifo *fifo)
401 struct uhid_softc *sc = usb_fifo_softc(fifo);
403 if (sc->sc_flags & UHID_FLAG_IMMED) {
404 usbd_transfer_start(sc->sc_xfer[UHID_CTRL_DT_RD]);
406 usbd_transfer_start(sc->sc_xfer[UHID_INTR_DT_RD]);
411 uhid_stop_read(struct usb_fifo *fifo)
413 struct uhid_softc *sc = usb_fifo_softc(fifo);
415 usbd_transfer_stop(sc->sc_xfer[UHID_CTRL_DT_RD]);
416 usbd_transfer_stop(sc->sc_xfer[UHID_INTR_DT_RD]);
420 uhid_start_write(struct usb_fifo *fifo)
422 struct uhid_softc *sc = usb_fifo_softc(fifo);
424 if ((sc->sc_flags & UHID_FLAG_IMMED) ||
425 sc->sc_xfer[UHID_INTR_DT_WR] == NULL) {
426 usbd_transfer_start(sc->sc_xfer[UHID_CTRL_DT_WR]);
428 usbd_transfer_start(sc->sc_xfer[UHID_INTR_DT_WR]);
433 uhid_stop_write(struct usb_fifo *fifo)
435 struct uhid_softc *sc = usb_fifo_softc(fifo);
437 usbd_transfer_stop(sc->sc_xfer[UHID_CTRL_DT_WR]);
438 usbd_transfer_stop(sc->sc_xfer[UHID_INTR_DT_WR]);
442 uhid_get_report(struct uhid_softc *sc, uint8_t type,
443 uint8_t id, void *kern_data, void *user_data,
447 uint8_t free_data = 0;
449 if (kern_data == NULL) {
450 kern_data = malloc(len, M_USBDEV, M_WAITOK);
451 if (kern_data == NULL) {
457 err = usbd_req_get_report(sc->sc_udev, NULL, kern_data,
458 len, sc->sc_iface_index, type, id);
465 err = copyout(kern_data, user_data, len);
472 free(kern_data, M_USBDEV);
478 uhid_set_report(struct uhid_softc *sc, uint8_t type,
479 uint8_t id, void *kern_data, void *user_data,
483 uint8_t free_data = 0;
485 if (kern_data == NULL) {
486 kern_data = malloc(len, M_USBDEV, M_WAITOK);
487 if (kern_data == NULL) {
492 err = copyin(user_data, kern_data, len);
497 err = usbd_req_set_report(sc->sc_udev, NULL, kern_data,
498 len, sc->sc_iface_index, type, id);
505 free(kern_data, M_USBDEV);
511 uhid_open(struct usb_fifo *fifo, int fflags)
513 struct uhid_softc *sc = usb_fifo_softc(fifo);
516 * The buffers are one byte larger than maximum so that one
517 * can detect too large read/writes and short transfers:
519 if (fflags & FREAD) {
521 sc->sc_flags &= ~UHID_FLAG_IMMED;
523 if (usb_fifo_alloc_buffer(fifo,
524 sc->sc_isize + 1, UHID_FRAME_NUM)) {
528 if (fflags & FWRITE) {
529 if (usb_fifo_alloc_buffer(fifo,
530 sc->sc_osize + 1, UHID_FRAME_NUM)) {
538 uhid_close(struct usb_fifo *fifo, int fflags)
540 if (fflags & (FREAD | FWRITE)) {
541 usb_fifo_free_buffer(fifo);
546 uhid_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr,
549 struct uhid_softc *sc = usb_fifo_softc(fifo);
550 struct usb_gen_descriptor *ugd;
556 case USB_GET_REPORT_DESC:
558 if (sc->sc_repdesc_size > ugd->ugd_maxlen) {
559 size = ugd->ugd_maxlen;
561 size = sc->sc_repdesc_size;
563 ugd->ugd_actlen = size;
564 if (ugd->ugd_data == NULL)
565 break; /* descriptor length only */
566 error = copyout(sc->sc_repdesc_ptr, ugd->ugd_data, size);
570 if (!(fflags & FREAD)) {
578 error = uhid_get_report(sc, UHID_INPUT_REPORT,
579 sc->sc_iid, NULL, NULL, sc->sc_isize);
583 mtx_lock(&sc->sc_mtx);
584 sc->sc_flags |= UHID_FLAG_IMMED;
585 mtx_unlock(&sc->sc_mtx);
587 mtx_lock(&sc->sc_mtx);
588 sc->sc_flags &= ~UHID_FLAG_IMMED;
589 mtx_unlock(&sc->sc_mtx);
594 if (!(fflags & FREAD)) {
599 switch (ugd->ugd_report_type) {
600 case UHID_INPUT_REPORT:
604 case UHID_OUTPUT_REPORT:
608 case UHID_FEATURE_REPORT:
616 copyin(ugd->ugd_data, &id, 1);
617 error = uhid_get_report(sc, ugd->ugd_report_type, id,
618 NULL, ugd->ugd_data, imin(ugd->ugd_maxlen, size));
622 if (!(fflags & FWRITE)) {
627 switch (ugd->ugd_report_type) {
628 case UHID_INPUT_REPORT:
632 case UHID_OUTPUT_REPORT:
636 case UHID_FEATURE_REPORT:
644 copyin(ugd->ugd_data, &id, 1);
645 error = uhid_set_report(sc, ugd->ugd_report_type, id,
646 NULL, ugd->ugd_data, imin(ugd->ugd_maxlen, size));
649 case USB_GET_REPORT_ID:
650 *(int *)addr = 0; /* XXX: we only support reportid 0? */
660 static const STRUCT_USB_HOST_ID uhid_devs[] = {
661 /* generic HID class */
662 {USB_IFACE_CLASS(UICLASS_HID),},
663 /* the Xbox 360 gamepad doesn't use the HID class */
664 {USB_IFACE_CLASS(UICLASS_VENDOR),
665 USB_IFACE_SUBCLASS(UISUBCLASS_XBOX360_CONTROLLER),
666 USB_IFACE_PROTOCOL(UIPROTO_XBOX360_GAMEPAD),},
670 uhid_probe(device_t dev)
672 struct usb_attach_arg *uaa = device_get_ivars(dev);
677 if (uaa->usb_mode != USB_MODE_HOST)
680 error = usbd_lookup_id_by_uaa(uhid_devs, sizeof(uhid_devs), uaa);
684 if (usb_test_quirk(uaa, UQ_HID_IGNORE))
688 * Don't attach to mouse and keyboard devices, hence then no
689 * "nomatch" event is generated and then ums and ukbd won't
690 * attach properly when loaded.
692 if ((uaa->info.bInterfaceClass == UICLASS_HID) &&
693 (uaa->info.bInterfaceSubClass == UISUBCLASS_BOOT) &&
694 (((uaa->info.bInterfaceProtocol == UIPROTO_BOOT_KEYBOARD) &&
695 !usb_test_quirk(uaa, UQ_KBD_IGNORE)) ||
696 ((uaa->info.bInterfaceProtocol == UIPROTO_MOUSE) &&
697 !usb_test_quirk(uaa, UQ_UMS_IGNORE))))
700 return (BUS_PROBE_GENERIC);
704 uhid_attach(device_t dev)
706 struct usb_attach_arg *uaa = device_get_ivars(dev);
707 struct uhid_softc *sc = device_get_softc(dev);
708 int unit = device_get_unit(dev);
711 DPRINTFN(10, "sc=%p\n", sc);
713 device_set_usb_desc(dev);
715 mtx_init(&sc->sc_mtx, "uhid lock", NULL, MTX_DEF | MTX_RECURSE);
717 sc->sc_udev = uaa->device;
719 sc->sc_iface_no = uaa->info.bIfaceNum;
720 sc->sc_iface_index = uaa->info.bIfaceIndex;
722 error = usbd_transfer_setup(uaa->device,
723 &uaa->info.bIfaceIndex, sc->sc_xfer, uhid_config,
724 UHID_N_TRANSFER, sc, &sc->sc_mtx);
727 DPRINTF("error=%s\n", usbd_errstr(error));
730 if (uaa->info.idVendor == USB_VENDOR_WACOM) {
732 /* the report descriptor for the Wacom Graphire is broken */
734 if (uaa->info.idProduct == USB_PRODUCT_WACOM_GRAPHIRE) {
736 sc->sc_repdesc_size = sizeof(uhid_graphire_report_descr);
737 sc->sc_repdesc_ptr = (void *)&uhid_graphire_report_descr;
738 sc->sc_flags |= UHID_FLAG_STATIC_DESC;
740 } else if (uaa->info.idProduct == USB_PRODUCT_WACOM_GRAPHIRE3_4X5) {
742 static uint8_t reportbuf[] = {2, 2, 2};
745 * The Graphire3 needs 0x0202 to be written to
746 * feature report ID 2 before it'll start
747 * returning digitizer data.
749 error = usbd_req_set_report(uaa->device, NULL,
750 reportbuf, sizeof(reportbuf),
751 uaa->info.bIfaceIndex, UHID_FEATURE_REPORT, 2);
754 DPRINTF("set report failed, error=%s (ignored)\n",
757 sc->sc_repdesc_size = sizeof(uhid_graphire3_4x5_report_descr);
758 sc->sc_repdesc_ptr = (void *)&uhid_graphire3_4x5_report_descr;
759 sc->sc_flags |= UHID_FLAG_STATIC_DESC;
761 } else if ((uaa->info.bInterfaceClass == UICLASS_VENDOR) &&
762 (uaa->info.bInterfaceSubClass == UISUBCLASS_XBOX360_CONTROLLER) &&
763 (uaa->info.bInterfaceProtocol == UIPROTO_XBOX360_GAMEPAD)) {
765 /* the Xbox 360 gamepad has no report descriptor */
766 sc->sc_repdesc_size = sizeof(uhid_xb360gp_report_descr);
767 sc->sc_repdesc_ptr = (void *)&uhid_xb360gp_report_descr;
768 sc->sc_flags |= UHID_FLAG_STATIC_DESC;
770 if (sc->sc_repdesc_ptr == NULL) {
772 error = usbd_req_get_hid_desc(uaa->device, NULL,
773 &sc->sc_repdesc_ptr, &sc->sc_repdesc_size,
774 M_USBDEV, uaa->info.bIfaceIndex);
777 device_printf(dev, "no report descriptor\n");
781 error = usbd_req_set_idle(uaa->device, NULL,
782 uaa->info.bIfaceIndex, 0, 0);
785 DPRINTF("set idle failed, error=%s (ignored)\n",
788 sc->sc_isize = hid_report_size
789 (sc->sc_repdesc_ptr, sc->sc_repdesc_size, hid_input, &sc->sc_iid);
791 sc->sc_osize = hid_report_size
792 (sc->sc_repdesc_ptr, sc->sc_repdesc_size, hid_output, &sc->sc_oid);
794 sc->sc_fsize = hid_report_size
795 (sc->sc_repdesc_ptr, sc->sc_repdesc_size, hid_feature, &sc->sc_fid);
797 if (sc->sc_isize > UHID_BSIZE) {
798 DPRINTF("input size is too large, "
799 "%d bytes (truncating)\n",
801 sc->sc_isize = UHID_BSIZE;
803 if (sc->sc_osize > UHID_BSIZE) {
804 DPRINTF("output size is too large, "
805 "%d bytes (truncating)\n",
807 sc->sc_osize = UHID_BSIZE;
809 if (sc->sc_fsize > UHID_BSIZE) {
810 DPRINTF("feature size is too large, "
811 "%d bytes (truncating)\n",
813 sc->sc_fsize = UHID_BSIZE;
816 error = usb_fifo_attach(uaa->device, sc, &sc->sc_mtx,
817 &uhid_fifo_methods, &sc->sc_fifo,
818 unit, -1, uaa->info.bIfaceIndex,
819 UID_ROOT, GID_OPERATOR, 0644);
823 return (0); /* success */
831 uhid_detach(device_t dev)
833 struct uhid_softc *sc = device_get_softc(dev);
835 usb_fifo_detach(&sc->sc_fifo);
837 usbd_transfer_unsetup(sc->sc_xfer, UHID_N_TRANSFER);
839 if (sc->sc_repdesc_ptr) {
840 if (!(sc->sc_flags & UHID_FLAG_STATIC_DESC)) {
841 free(sc->sc_repdesc_ptr, M_USBDEV);
844 mtx_destroy(&sc->sc_mtx);
849 static devclass_t uhid_devclass;
851 static device_method_t uhid_methods[] = {
852 DEVMETHOD(device_probe, uhid_probe),
853 DEVMETHOD(device_attach, uhid_attach),
854 DEVMETHOD(device_detach, uhid_detach),
858 static driver_t uhid_driver = {
860 .methods = uhid_methods,
861 .size = sizeof(struct uhid_softc),
864 DRIVER_MODULE(uhid, uhub, uhid_driver, uhid_devclass, NULL, 0);
865 MODULE_DEPEND(uhid, usb, 1, 1, 1);
866 MODULE_VERSION(uhid, 1);