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-rw-r--r--sys/dev/usb/uhid.c748
1 files changed, 748 insertions, 0 deletions
diff --git a/sys/dev/usb/uhid.c b/sys/dev/usb/uhid.c
new file mode 100644
index 0000000..2570aa1
--- /dev/null
+++ b/sys/dev/usb/uhid.c
@@ -0,0 +1,748 @@
+/* $NetBSD: uhid.c,v 1.45 2001/10/26 17:58:21 augustss Exp $ */
+/* $FreeBSD$ */
+
+/*
+ * 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/data/usbhid10.pdf
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/lock.h>
+#include <sys/malloc.h>
+#include <sys/mutex.h>
+#include <sys/signalvar.h>
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+#include <sys/device.h>
+#include <sys/ioctl.h>
+#include <sys/file.h>
+#elif defined(__FreeBSD__)
+#include <sys/ioccom.h>
+#include <sys/filio.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <sys/ioccom.h>
+#endif
+#include <sys/conf.h>
+#include <sys/tty.h>
+#if __FreeBSD_version >= 500014
+#include <sys/selinfo.h>
+#else
+#include <sys/select.h>
+#endif
+#include <sys/proc.h>
+#include <sys/vnode.h>
+#include <sys/poll.h>
+#include <sys/sysctl.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbhid.h>
+
+#include <dev/usb/usbdevs.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/usb/hid.h>
+
+/* Report descriptor for broken Wacom Graphire */
+#include <dev/usb/ugraphire_rdesc.h>
+
+#ifdef USB_DEBUG
+#define DPRINTF(x) if (uhiddebug) logprintf x
+#define DPRINTFN(n,x) if (uhiddebug>(n)) logprintf 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 {
+ USBBASEDEVICE 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;
+
+#if defined(__FreeBSD__)
+ dev_t dev;
+#endif
+};
+
+#define UHIDUNIT(dev) (minor(dev))
+#define UHID_CHUNK 128 /* chunk size for read */
+#define UHID_BSIZE 1020 /* buffer size */
+
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+cdev_decl(uhid);
+#elif defined(__FreeBSD__)
+d_open_t uhidopen;
+d_close_t uhidclose;
+d_read_t uhidread;
+d_write_t uhidwrite;
+d_ioctl_t uhidioctl;
+d_poll_t uhidpoll;
+
+#define UHID_CDEV_MAJOR 122
+
+Static struct cdevsw uhid_cdevsw = {
+ /* open */ uhidopen,
+ /* close */ uhidclose,
+ /* read */ uhidread,
+ /* write */ uhidwrite,
+ /* ioctl */ uhidioctl,
+ /* poll */ uhidpoll,
+ /* mmap */ nommap,
+ /* strategy */ nostrategy,
+ /* name */ "uhid",
+ /* maj */ UHID_CDEV_MAJOR,
+ /* dump */ nodump,
+ /* psize */ nopsize,
+ /* flags */ 0,
+#if __FreeBSD_version < 500014
+ /* bmaj */ -1
+#endif
+};
+#endif
+
+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,
+ usb_proc_ptr);
+
+USB_DECLARE_DRIVER(uhid);
+
+USB_MATCH(uhid)
+{
+ USB_MATCH_START(uhid, uaa);
+ usb_interface_descriptor_t *id;
+
+ if (uaa->iface == NULL)
+ return (UMATCH_NONE);
+ id = usbd_get_interface_descriptor(uaa->iface);
+ if (id == NULL || id->bInterfaceClass != UICLASS_HID)
+ return (UMATCH_NONE);
+ if (uaa->matchlvl)
+ return (uaa->matchlvl);
+ return (UMATCH_IFACECLASS_GENERIC);
+}
+
+USB_ATTACH(uhid)
+{
+ USB_ATTACH_START(uhid, sc, uaa);
+ usbd_interface_handle iface = uaa->iface;
+ usb_interface_descriptor_t *id;
+ usb_endpoint_descriptor_t *ed;
+ int size;
+ void *desc;
+ usbd_status err;
+ char devinfo[1024];
+
+ sc->sc_udev = uaa->device;
+ sc->sc_iface = iface;
+ id = usbd_get_interface_descriptor(iface);
+ usbd_devinfo(uaa->device, 0, devinfo);
+ USB_ATTACH_SETUP;
+ printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
+ devinfo, id->bInterfaceClass, id->bInterfaceSubClass);
+
+ ed = usbd_interface2endpoint_descriptor(iface, 0);
+ if (ed == NULL) {
+ printf("%s: could not read endpoint descriptor\n",
+ USBDEVNAME(sc->sc_dev));
+ sc->sc_dying = 1;
+ USB_ATTACH_ERROR_RETURN;
+ }
+
+ 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", USBDEVNAME(sc->sc_dev));
+ sc->sc_dying = 1;
+ USB_ATTACH_ERROR_RETURN;
+ }
+
+ sc->sc_ep_addr = ed->bEndpointAddress;
+
+ if (uaa->vendor == USB_VENDOR_WACOM &&
+ uaa->product == USB_PRODUCT_WACOM_GRAPHIRE /* &&
+ uaa->revision == 0x???? */) { /* XXX should use revision */
+ /* The report descriptor for the Wacom Graphire is broken. */
+ size = sizeof uhid_graphire_report_descr;
+ desc = malloc(size, M_USBDEV, M_NOWAIT);
+ if (desc == NULL)
+ err = USBD_NOMEM;
+ else {
+ err = USBD_NORMAL_COMPLETION;
+ memcpy(desc, uhid_graphire_report_descr, size);
+ }
+ } else {
+ desc = NULL;
+ err = usbd_read_report_desc(uaa->iface, &desc, &size,M_USBDEV);
+ }
+
+ if (err) {
+ printf("%s: no report descriptor\n", USBDEVNAME(sc->sc_dev));
+ sc->sc_dying = 1;
+ USB_ATTACH_ERROR_RETURN;
+ }
+
+ (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;
+
+#if defined(__FreeBSD__)
+ sc->dev = make_dev(&uhid_cdevsw, device_get_unit(self),
+ UID_ROOT, GID_OPERATOR,
+ 0644, "uhid%d", device_get_unit(self));
+#endif
+
+ USB_ATTACH_SUCCESS_RETURN;
+}
+
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+int
+uhid_activate(device_ptr_t self, enum devact act)
+{
+ struct uhid_softc *sc = (struct uhid_softc *)self;
+
+ switch (act) {
+ case DVACT_ACTIVATE:
+ return (EOPNOTSUPP);
+ break;
+
+ case DVACT_DEACTIVATE:
+ sc->sc_dying = 1;
+ break;
+ }
+ return (0);
+}
+#endif
+
+USB_DETACH(uhid)
+{
+ USB_DETACH_START(uhid, sc);
+ int s;
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+ int maj, mn;
+#elif defined(__FreeBSD__)
+ struct vnode *vp;
+#endif
+
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+ DPRINTF(("uhid_detach: sc=%p flags=%d\n", sc, flags));
+#else
+ DPRINTF(("uhid_detach: sc=%p\n", sc));
+#endif
+
+ 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(USBDEV(sc->sc_dev));
+ }
+ splx(s);
+ }
+
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+ /* locate the major number */
+ for (maj = 0; maj < nchrdev; maj++)
+ if (cdevsw[maj].d_open == uhidopen)
+ break;
+
+ /* Nuke the vnodes for any open instances (calls close). */
+ mn = self->dv_unit;
+ vdevgone(maj, mn, mn, VCHR);
+#elif defined(__FreeBSD__)
+ vp = SLIST_FIRST(&sc->dev->si_hlist);
+ if (vp)
+ VOP_REVOKE(vp, REVOKEALL);
+
+ destroy_dev(sc->dev);
+#endif
+
+ 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);
+ }
+ selwakeup(&sc->sc_rsel);
+ 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(dev_t dev, int flag, int mode, usb_proc_ptr p)
+{
+ struct uhid_softc *sc;
+ usbd_status err;
+
+ USB_GET_SC_OPEN(uhid, UHIDUNIT(dev), sc);
+
+ 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;
+
+ if (clalloc(&sc->sc_q, UHID_BSIZE, 0) == -1) {
+ sc->sc_state &= ~UHID_OPEN;
+ return (ENOMEM);
+ }
+
+ 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_state &= ~UHID_OPEN;
+ return (EIO);
+ }
+
+ sc->sc_state &= ~UHID_IMMED;
+
+ sc->sc_async = 0;
+
+ return (0);
+}
+
+int
+uhidclose(dev_t dev, int flag, int mode, usb_proc_ptr p)
+{
+ struct uhid_softc *sc;
+
+ USB_GET_SC(uhid, UHIDUNIT(dev), sc);
+
+ 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);
+ clfree(&sc->sc_q);
+
+ free(sc->sc_ibuf, M_USBDEV);
+ free(sc->sc_obuf, M_USBDEV);
+
+ 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 & IO_NDELAY) {
+ 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(dev_t dev, struct uio *uio, int flag)
+{
+ struct uhid_softc *sc;
+ int error;
+
+ USB_GET_SC(uhid, UHIDUNIT(dev), sc);
+
+ sc->sc_refcnt++;
+ error = uhid_do_read(sc, uio, flag);
+ if (--sc->sc_refcnt < 0)
+ usb_detach_wakeup(USBDEV(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(dev_t dev, struct uio *uio, int flag)
+{
+ struct uhid_softc *sc;
+ int error;
+
+ USB_GET_SC(uhid, UHIDUNIT(dev), sc);
+
+ sc->sc_refcnt++;
+ error = uhid_do_write(sc, uio, flag);
+ if (--sc->sc_refcnt < 0)
+ usb_detach_wakeup(USBDEV(sc->sc_dev));
+ return (error);
+}
+
+int
+uhid_do_ioctl(struct uhid_softc *sc, u_long cmd, caddr_t addr, int flag,
+ usb_proc_ptr 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; /* XXXKSE */
+ DPRINTF(("uhid_do_ioctl: FIOASYNC %p\n", p->td_proc));
+ } 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;
+
+ default:
+ return (EINVAL);
+ }
+ return (0);
+}
+
+int
+uhidioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, usb_proc_ptr p)
+{
+ struct uhid_softc *sc;
+ int error;
+
+ USB_GET_SC(uhid, UHIDUNIT(dev), sc);
+
+ sc->sc_refcnt++;
+ error = uhid_do_ioctl(sc, cmd, addr, flag, p);
+ if (--sc->sc_refcnt < 0)
+ usb_detach_wakeup(USBDEV(sc->sc_dev));
+ return (error);
+}
+
+int
+uhidpoll(dev_t dev, int events, usb_proc_ptr p)
+{
+ struct uhid_softc *sc;
+ int revents = 0;
+ int s;
+
+ USB_GET_SC(uhid, UHIDUNIT(dev), sc);
+
+ 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);
+}
+
+#if defined(__FreeBSD__)
+DRIVER_MODULE(uhid, uhub, uhid_driver, uhid_devclass, usbd_driver_load, 0);
+#endif
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