1 files changed, 755 insertions, 0 deletions

diff --git a/sys/legacy/dev/usb/uhid.c b/sys/legacy/dev/usb/uhid.c
new file mode 100644
index 0000000..d821c01
--- /dev/null
+++ b/sys/legacy/dev/usb/uhid.c
@@ -0,0 +1,755 @@
+/*	$NetBSD: uhid.c,v 1.46 2001/11/13 06:24:55 lukem Exp $	*/
+
+/* Also already merged from NetBSD:
+ *	$NetBSD: uhid.c,v 1.54 2002/09/23 05:51:21 simonb Exp $
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Lennart Augustsson (lennart@augustsson.net) at
+ * Carlstedt Research & Technology.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
+ */
+
+/*
+ * XXX TODO: Convert this driver to use si_drv[12] rather than the
+ * devclass_get_softc junk
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/clist.h>
+#include <sys/kernel.h>
+#include <sys/lock.h>
+#include <sys/malloc.h>
+#include <sys/mutex.h>
+#include <sys/signalvar.h>
+#include <sys/fcntl.h>
+#include <sys/ioccom.h>
+#include <sys/filio.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <sys/ioccom.h>
+#include <sys/conf.h>
+#include <sys/selinfo.h>
+#include <sys/proc.h>
+#include <sys/poll.h>
+#include <sys/sysctl.h>
+#include <sys/ttycom.h>
+#include <sys/uio.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbhid.h>
+
+#include "usbdevs.h"
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/usb/hid.h>
+
+/* Replacement report descriptors for devices shipped with broken ones */
+#include <dev/usb/ugraphire_rdesc.h>
+#include <dev/usb/uxb360gp_rdesc.h>
+
+/* For hid blacklist quirk */
+#include <dev/usb/usb_quirks.h>
+
+#ifdef USB_DEBUG
+#define DPRINTF(x)	if (uhiddebug) printf x
+#define DPRINTFN(n,x)	if (uhiddebug>(n)) printf x
+int	uhiddebug = 0;
+SYSCTL_NODE(_hw_usb, OID_AUTO, uhid, CTLFLAG_RW, 0, "USB uhid");
+SYSCTL_INT(_hw_usb_uhid, OID_AUTO, debug, CTLFLAG_RW,
+	   &uhiddebug, 0, "uhid debug level");
+#else
+#define DPRINTF(x)
+#define DPRINTFN(n,x)
+#endif
+
+struct uhid_softc {
+	device_t sc_dev;			/* base device */
+	usbd_device_handle sc_udev;
+	usbd_interface_handle sc_iface;	/* interface */
+	usbd_pipe_handle sc_intrpipe;	/* interrupt pipe */
+	int sc_ep_addr;
+
+	int sc_isize;
+	int sc_osize;
+	int sc_fsize;
+	u_int8_t sc_iid;
+	u_int8_t sc_oid;
+	u_int8_t sc_fid;
+
+	u_char *sc_ibuf;
+	u_char *sc_obuf;
+
+	void *sc_repdesc;
+	int sc_repdesc_size;
+
+	struct clist sc_q;
+	struct selinfo sc_rsel;
+	struct proc *sc_async;	/* process that wants SIGIO */
+	u_char sc_state;	/* driver state */
+#define	UHID_OPEN	0x01	/* device is open */
+#define	UHID_ASLP	0x02	/* waiting for device data */
+#define UHID_NEEDCLEAR	0x04	/* needs clearing endpoint stall */
+#define UHID_IMMED	0x08	/* return read data immediately */
+
+	int sc_refcnt;
+	u_char sc_dying;
+
+	struct cdev *dev;
+};
+
+#define	UHIDUNIT(dev)	(dev2unit(dev))
+#define	UHID_CHUNK	128	/* chunk size for read */
+#define	UHID_BSIZE	1020	/* buffer size */
+
+d_open_t	uhidopen;
+d_close_t	uhidclose;
+d_read_t	uhidread;
+d_write_t	uhidwrite;
+d_ioctl_t	uhidioctl;
+d_poll_t	uhidpoll;
+
+
+static struct cdevsw uhid_cdevsw = {
+	.d_version =	D_VERSION,
+	.d_flags =	D_NEEDGIANT,
+	.d_open =	uhidopen,
+	.d_close =	uhidclose,
+	.d_read =	uhidread,
+	.d_write =	uhidwrite,
+	.d_ioctl =	uhidioctl,
+	.d_poll =	uhidpoll,
+	.d_name =	"uhid",
+};
+
+static void uhid_intr(usbd_xfer_handle, usbd_private_handle,
+			   usbd_status);
+
+static int uhid_do_read(struct uhid_softc *, struct uio *uio, int);
+static int uhid_do_write(struct uhid_softc *, struct uio *uio, int);
+static int uhid_do_ioctl(struct uhid_softc *, u_long, caddr_t, int,
+			      struct thread *);
+
+MODULE_DEPEND(uhid, usb, 1, 1, 1);
+
+static device_probe_t uhid_match;
+static device_attach_t uhid_attach;
+static device_detach_t uhid_detach;
+
+static device_method_t uhid_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		uhid_match),
+	DEVMETHOD(device_attach,	uhid_attach),
+	DEVMETHOD(device_detach,	uhid_detach),
+
+	{ 0, 0 }
+};
+
+static driver_t uhid_driver = {
+	"uhid",
+	uhid_methods,
+	sizeof(struct uhid_softc)
+};
+
+static devclass_t uhid_devclass;
+
+DRIVER_MODULE(uhid, uhub, uhid_driver, uhid_devclass, usbd_driver_load, 0);
+
+static int
+uhid_match(device_t self)
+{
+	struct usb_attach_arg *uaa = device_get_ivars(self);
+	usb_interface_descriptor_t *id;
+
+	if (uaa->iface == NULL)
+		return (UMATCH_NONE);
+	id = usbd_get_interface_descriptor(uaa->iface);
+	if (id == NULL)
+		return (UMATCH_NONE);
+	if  (id->bInterfaceClass != UICLASS_HID) {
+		/* The Xbox 360 gamepad doesn't use the HID class. */
+		if (id->bInterfaceClass != UICLASS_VENDOR ||
+		    id->bInterfaceSubClass != UISUBCLASS_XBOX360_CONTROLLER ||
+		    id->bInterfaceProtocol != UIPROTO_XBOX360_GAMEPAD)
+			return (UMATCH_NONE);
+	}
+	if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE)
+		return (UMATCH_NONE);
+#if 0
+	if (uaa->matchlvl)
+		return (uaa->matchlvl);
+#endif
+
+	return (UMATCH_IFACECLASS_GENERIC);
+}
+
+static int
+uhid_attach(device_t self)
+{
+	struct uhid_softc *sc = device_get_softc(self);
+	struct usb_attach_arg *uaa = device_get_ivars(self);
+	usbd_interface_handle iface = uaa->iface;
+	usb_interface_descriptor_t *id;
+	usb_endpoint_descriptor_t *ed;
+	int size;
+	void *desc;
+	const void *descptr;
+	usbd_status err;
+
+	sc->sc_dev = self;
+	sc->sc_udev = uaa->device;
+	sc->sc_iface = iface;
+	id = usbd_get_interface_descriptor(iface);
+
+	ed = usbd_interface2endpoint_descriptor(iface, 0);
+	if (ed == NULL) {
+		printf("%s: could not read endpoint descriptor\n",
+		       device_get_nameunit(sc->sc_dev));
+		sc->sc_dying = 1;
+		return ENXIO;
+	}
+
+	DPRINTFN(10,("uhid_attach: bLength=%d bDescriptorType=%d "
+		     "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d"
+		     " bInterval=%d\n",
+		     ed->bLength, ed->bDescriptorType,
+		     ed->bEndpointAddress & UE_ADDR,
+		     UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out",
+		     ed->bmAttributes & UE_XFERTYPE,
+		     UGETW(ed->wMaxPacketSize), ed->bInterval));
+
+	if (UE_GET_DIR(ed->bEndpointAddress) != UE_DIR_IN ||
+	    (ed->bmAttributes & UE_XFERTYPE) != UE_INTERRUPT) {
+		printf("%s: unexpected endpoint\n", device_get_nameunit(sc->sc_dev));
+		sc->sc_dying = 1;
+		return ENXIO;
+	}
+
+	sc->sc_ep_addr = ed->bEndpointAddress;
+
+	descptr = NULL;
+	if (uaa->vendor == USB_VENDOR_WACOM) {
+		/* The report descriptor for the Wacom Graphire is broken. */
+		if (uaa->product == USB_PRODUCT_WACOM_GRAPHIRE) {
+			size = sizeof uhid_graphire_report_descr;
+			descptr = uhid_graphire_report_descr;
+		} else if (uaa->product == USB_PRODUCT_WACOM_GRAPHIRE3_4X5) {
+			static uByte reportbuf[] = {2, 2, 2};
+
+			/*
+			 * The Graphire3 needs 0x0202 to be written to
+			 * feature report ID 2 before it'll start
+			 * returning digitizer data.
+			 */
+			usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2,
+			    &reportbuf, sizeof reportbuf);
+
+			size = sizeof uhid_graphire3_4x5_report_descr;
+			descptr = uhid_graphire3_4x5_report_descr;
+		}
+	} else if (id->bInterfaceClass == UICLASS_VENDOR &&
+	    id->bInterfaceSubClass == UISUBCLASS_XBOX360_CONTROLLER &&
+	    id->bInterfaceProtocol == UIPROTO_XBOX360_GAMEPAD) {
+		static uByte reportbuf[] = {1, 3, 0};
+
+		/* The LEDs on the gamepad are blinking by default, turn off. */
+		usbd_set_report(uaa->iface, UHID_OUTPUT_REPORT, 0,
+		    &reportbuf, sizeof reportbuf);
+
+		/* The Xbox 360 gamepad has no report descriptor. */
+		size = sizeof uhid_xb360gp_report_descr;
+		descptr = uhid_xb360gp_report_descr;
+	}
+
+	if (descptr) {
+		desc = malloc(size, M_USBDEV, M_NOWAIT);
+		if (desc == NULL)
+			err = USBD_NOMEM;
+		else {
+			err = USBD_NORMAL_COMPLETION;
+			memcpy(desc, descptr, size);
+		}
+	} else {
+		desc = NULL;
+		err = usbd_read_report_desc(uaa->iface, &desc, &size,M_USBDEV);
+	}
+
+	if (err) {
+		printf("%s: no report descriptor\n", device_get_nameunit(sc->sc_dev));
+		sc->sc_dying = 1;
+		return ENXIO;
+	}
+
+	(void)usbd_set_idle(iface, 0, 0);
+
+	sc->sc_isize = hid_report_size(desc, size, hid_input,   &sc->sc_iid);
+	sc->sc_osize = hid_report_size(desc, size, hid_output,  &sc->sc_oid);
+	sc->sc_fsize = hid_report_size(desc, size, hid_feature, &sc->sc_fid);
+
+	sc->sc_repdesc = desc;
+	sc->sc_repdesc_size = size;
+	sc->dev = make_dev(&uhid_cdevsw, device_get_unit(self),
+			UID_ROOT, GID_OPERATOR,
+			0644, "uhid%d", device_get_unit(self));
+	return 0;
+}
+
+static int
+uhid_detach(device_t self)
+{
+	struct uhid_softc *sc = device_get_softc(self);
+	int s;
+
+	DPRINTF(("uhid_detach: sc=%p\n", sc));
+	sc->sc_dying = 1;
+	if (sc->sc_intrpipe != NULL)
+		usbd_abort_pipe(sc->sc_intrpipe);
+
+	if (sc->sc_state & UHID_OPEN) {
+		s = splusb();
+		if (--sc->sc_refcnt >= 0) {
+			/* Wake everyone */
+			wakeup(&sc->sc_q);
+			/* Wait for processes to go away. */
+			usb_detach_wait(sc->sc_dev);
+		}
+		splx(s);
+	}
+	destroy_dev(sc->dev);
+
+	if (sc->sc_repdesc)
+		free(sc->sc_repdesc, M_USBDEV);
+
+	return (0);
+}
+
+void
+uhid_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
+{
+	struct uhid_softc *sc = addr;
+
+#ifdef USB_DEBUG
+	if (uhiddebug > 5) {
+		u_int32_t cc, i;
+
+		usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
+		DPRINTF(("uhid_intr: status=%d cc=%d\n", status, cc));
+		DPRINTF(("uhid_intr: data ="));
+		for (i = 0; i < cc; i++)
+			DPRINTF((" %02x", sc->sc_ibuf[i]));
+		DPRINTF(("\n"));
+	}
+#endif
+
+	if (status == USBD_CANCELLED)
+		return;
+
+	if (status != USBD_NORMAL_COMPLETION) {
+		DPRINTF(("uhid_intr: status=%d\n", status));
+		if (status == USBD_STALLED)
+		    sc->sc_state |= UHID_NEEDCLEAR;
+		return;
+	}
+
+	(void) b_to_q(sc->sc_ibuf, sc->sc_isize, &sc->sc_q);
+
+	if (sc->sc_state & UHID_ASLP) {
+		sc->sc_state &= ~UHID_ASLP;
+		DPRINTFN(5, ("uhid_intr: waking %p\n", &sc->sc_q));
+		wakeup(&sc->sc_q);
+	}
+	selwakeuppri(&sc->sc_rsel, PZERO);
+	if (sc->sc_async != NULL) {
+		DPRINTFN(3, ("uhid_intr: sending SIGIO %p\n", sc->sc_async));
+		PROC_LOCK(sc->sc_async);
+		psignal(sc->sc_async, SIGIO);
+		PROC_UNLOCK(sc->sc_async);
+	}
+}
+
+int
+uhidopen(struct cdev *dev, int flag, int mode, struct thread *p)
+{
+	struct uhid_softc *sc;
+	usbd_status err;
+
+	sc = devclass_get_softc(uhid_devclass, UHIDUNIT(dev));
+	if (sc == NULL)
+		return (ENXIO);
+
+	DPRINTF(("uhidopen: sc=%p\n", sc));
+
+	if (sc->sc_dying)
+		return (ENXIO);
+
+	if (sc->sc_state & UHID_OPEN)
+		return (EBUSY);
+	sc->sc_state |= UHID_OPEN;
+
+	clist_alloc_cblocks(&sc->sc_q, UHID_BSIZE, UHID_BSIZE);
+	sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
+	sc->sc_obuf = malloc(sc->sc_osize, M_USBDEV, M_WAITOK);
+
+	/* Set up interrupt pipe. */
+	err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_ep_addr,
+		  USBD_SHORT_XFER_OK, &sc->sc_intrpipe, sc, sc->sc_ibuf,
+		  sc->sc_isize, uhid_intr, USBD_DEFAULT_INTERVAL);
+	if (err) {
+		DPRINTF(("uhidopen: usbd_open_pipe_intr failed, "
+			 "error=%d\n",err));
+		free(sc->sc_ibuf, M_USBDEV);
+		free(sc->sc_obuf, M_USBDEV);
+		sc->sc_ibuf = sc->sc_obuf = NULL;
+
+		sc->sc_state &= ~UHID_OPEN;
+		return (EIO);
+	}
+
+	sc->sc_state &= ~UHID_IMMED;
+
+	sc->sc_async = 0;
+
+	return (0);
+}
+
+int
+uhidclose(struct cdev *dev, int flag, int mode, struct thread *p)
+{
+	struct uhid_softc *sc;
+
+	sc = devclass_get_softc(uhid_devclass, UHIDUNIT(dev));
+
+	DPRINTF(("uhidclose: sc=%p\n", sc));
+
+	/* Disable interrupts. */
+	usbd_abort_pipe(sc->sc_intrpipe);
+	usbd_close_pipe(sc->sc_intrpipe);
+	sc->sc_intrpipe = 0;
+
+	ndflush(&sc->sc_q, sc->sc_q.c_cc);
+	clist_free_cblocks(&sc->sc_q);
+
+	free(sc->sc_ibuf, M_USBDEV);
+	free(sc->sc_obuf, M_USBDEV);
+	sc->sc_ibuf = sc->sc_obuf = NULL;
+
+	sc->sc_state &= ~UHID_OPEN;
+
+	sc->sc_async = 0;
+
+	return (0);
+}
+
+int
+uhid_do_read(struct uhid_softc *sc, struct uio *uio, int flag)
+{
+	int s;
+	int error = 0;
+	size_t length;
+	u_char buffer[UHID_CHUNK];
+	usbd_status err;
+
+	DPRINTFN(1, ("uhidread\n"));
+	if (sc->sc_state & UHID_IMMED) {
+		DPRINTFN(1, ("uhidread immed\n"));
+
+		err = usbd_get_report(sc->sc_iface, UHID_INPUT_REPORT,
+			  sc->sc_iid, buffer, sc->sc_isize);
+		if (err)
+			return (EIO);
+		return (uiomove(buffer, sc->sc_isize, uio));
+	}
+
+	s = splusb();
+	while (sc->sc_q.c_cc == 0) {
+		if (flag & O_NONBLOCK) {
+			splx(s);
+			return (EWOULDBLOCK);
+		}
+		sc->sc_state |= UHID_ASLP;
+		DPRINTFN(5, ("uhidread: sleep on %p\n", &sc->sc_q));
+		error = tsleep(&sc->sc_q, PZERO | PCATCH, "uhidrea", 0);
+		DPRINTFN(5, ("uhidread: woke, error=%d\n", error));
+		if (sc->sc_dying)
+			error = EIO;
+		if (error) {
+			sc->sc_state &= ~UHID_ASLP;
+			break;
+		}
+		if (sc->sc_state & UHID_NEEDCLEAR) {
+			DPRINTFN(-1,("uhidread: clearing stall\n"));
+			sc->sc_state &= ~UHID_NEEDCLEAR;
+			usbd_clear_endpoint_stall(sc->sc_intrpipe);
+		}
+	}
+	splx(s);
+
+	/* Transfer as many chunks as possible. */
+	while (sc->sc_q.c_cc > 0 && uio->uio_resid > 0 && !error) {
+		length = min(sc->sc_q.c_cc, uio->uio_resid);
+		if (length > sizeof(buffer))
+			length = sizeof(buffer);
+
+		/* Remove a small chunk from the input queue. */
+		(void) q_to_b(&sc->sc_q, buffer, length);
+		DPRINTFN(5, ("uhidread: got %lu chars\n", (u_long)length));
+
+		/* Copy the data to the user process. */
+		if ((error = uiomove(buffer, length, uio)) != 0)
+			break;
+	}
+
+	return (error);
+}
+
+int
+uhidread(struct cdev *dev, struct uio *uio, int flag)
+{
+	struct uhid_softc *sc;
+	int error;
+
+	sc = devclass_get_softc(uhid_devclass, UHIDUNIT(dev));
+	sc->sc_refcnt++;
+	error = uhid_do_read(sc, uio, flag);
+	if (--sc->sc_refcnt < 0)
+		usb_detach_wakeup(sc->sc_dev);
+	return (error);
+}
+
+int
+uhid_do_write(struct uhid_softc *sc, struct uio *uio, int flag)
+{
+	int error;
+	int size;
+	usbd_status err;
+
+	DPRINTFN(1, ("uhidwrite\n"));
+
+	if (sc->sc_dying)
+		return (EIO);
+
+	size = sc->sc_osize;
+	error = 0;
+	if (uio->uio_resid != size)
+		return (EINVAL);
+	error = uiomove(sc->sc_obuf, size, uio);
+	if (!error) {
+		if (sc->sc_oid)
+			err = usbd_set_report(sc->sc_iface, UHID_OUTPUT_REPORT,
+				  sc->sc_obuf[0], sc->sc_obuf+1, size-1);
+		else
+			err = usbd_set_report(sc->sc_iface, UHID_OUTPUT_REPORT,
+				  0, sc->sc_obuf, size);
+		if (err)
+			error = EIO;
+	}
+
+	return (error);
+}
+
+int
+uhidwrite(struct cdev *dev, struct uio *uio, int flag)
+{
+	struct uhid_softc *sc;
+	int error;
+
+	sc = devclass_get_softc(uhid_devclass, UHIDUNIT(dev));
+	sc->sc_refcnt++;
+	error = uhid_do_write(sc, uio, flag);
+	if (--sc->sc_refcnt < 0)
+		usb_detach_wakeup(sc->sc_dev);
+	return (error);
+}
+
+int
+uhid_do_ioctl(struct uhid_softc *sc, u_long cmd, caddr_t addr, int flag,
+	      struct thread *p)
+{
+	struct usb_ctl_report_desc *rd;
+	struct usb_ctl_report *re;
+	int size, id;
+	usbd_status err;
+
+	DPRINTFN(2, ("uhidioctl: cmd=%lx\n", cmd));
+
+	if (sc->sc_dying)
+		return (EIO);
+
+	switch (cmd) {
+	case FIONBIO:
+		/* All handled in the upper FS layer. */
+		break;
+
+	case FIOASYNC:
+		if (*(int *)addr) {
+			if (sc->sc_async != NULL)
+				return (EBUSY);
+			sc->sc_async = p->td_proc;
+			DPRINTF(("uhid_do_ioctl: FIOASYNC %p\n", sc->sc_async));
+		} else
+			sc->sc_async = NULL;
+		break;
+
+	/* XXX this is not the most general solution. */
+	case TIOCSPGRP:
+		if (sc->sc_async == NULL)
+			return (EINVAL);
+		if (*(int *)addr != sc->sc_async->p_pgid)
+			return (EPERM);
+		break;
+
+	case USB_GET_REPORT_DESC:
+		rd = (struct usb_ctl_report_desc *)addr;
+		size = min(sc->sc_repdesc_size, sizeof rd->ucrd_data);
+		rd->ucrd_size = size;
+		memcpy(rd->ucrd_data, sc->sc_repdesc, size);
+		break;
+
+	case USB_SET_IMMED:
+		if (*(int *)addr) {
+			/* XXX should read into ibuf, but does it matter? */
+			err = usbd_get_report(sc->sc_iface, UHID_INPUT_REPORT,
+				  sc->sc_iid, sc->sc_ibuf, sc->sc_isize);
+			if (err)
+				return (EOPNOTSUPP);
+
+			sc->sc_state |=  UHID_IMMED;
+		} else
+			sc->sc_state &= ~UHID_IMMED;
+		break;
+
+	case USB_GET_REPORT:
+		re = (struct usb_ctl_report *)addr;
+		switch (re->ucr_report) {
+		case UHID_INPUT_REPORT:
+			size = sc->sc_isize;
+			id = sc->sc_iid;
+			break;
+		case UHID_OUTPUT_REPORT:
+			size = sc->sc_osize;
+			id = sc->sc_oid;
+			break;
+		case UHID_FEATURE_REPORT:
+			size = sc->sc_fsize;
+			id = sc->sc_fid;
+			break;
+		default:
+			return (EINVAL);
+		}
+		err = usbd_get_report(sc->sc_iface, re->ucr_report, id, re->ucr_data,
+			  size);
+		if (err)
+			return (EIO);
+		break;
+
+	case USB_SET_REPORT:
+		re = (struct usb_ctl_report *)addr;
+		switch (re->ucr_report) {
+		case UHID_INPUT_REPORT:
+			size = sc->sc_isize;
+			id = sc->sc_iid;
+			break;
+		case UHID_OUTPUT_REPORT:
+			size = sc->sc_osize;
+			id = sc->sc_oid;
+			break;
+		case UHID_FEATURE_REPORT:
+			size = sc->sc_fsize;
+			id = sc->sc_fid;
+			break;
+		default:
+			return (EINVAL);
+		}
+		err = usbd_set_report(sc->sc_iface, re->ucr_report, id, re->ucr_data,
+			  size);
+		if (err)
+			return (EIO);
+		break;
+
+	case USB_GET_REPORT_ID:
+		*(int *)addr = 0;	/* XXX: we only support reportid 0? */
+		break;
+
+	default:
+		return (EINVAL);
+	}
+	return (0);
+}
+
+int
+uhidioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *p)
+{
+	struct uhid_softc *sc;
+	int error;
+
+	sc = devclass_get_softc(uhid_devclass, UHIDUNIT(dev));
+	sc->sc_refcnt++;
+	error = uhid_do_ioctl(sc, cmd, addr, flag, p);
+	if (--sc->sc_refcnt < 0)
+		usb_detach_wakeup(sc->sc_dev);
+	return (error);
+}
+
+int
+uhidpoll(struct cdev *dev, int events, struct thread *p)
+{
+	struct uhid_softc *sc;
+	int revents = 0;
+	int s;
+
+	sc = devclass_get_softc(uhid_devclass, UHIDUNIT(dev));
+	if (sc->sc_dying)
+		return (EIO);
+
+	s = splusb();
+	if (events & (POLLOUT | POLLWRNORM))
+		revents |= events & (POLLOUT | POLLWRNORM);
+	if (events & (POLLIN | POLLRDNORM)) {
+		if (sc->sc_q.c_cc > 0)
+			revents |= events & (POLLIN | POLLRDNORM);
+		else
+			selrecord(p, &sc->sc_rsel);
+	}
+
+	splx(s);
+	return (revents);
+}