3995a80fd6
Hellmuth with some refinements by myself and flz@. It works for me with my non-MS mice, so nothing should be broken by it. Submitted by: Hellmuth Michaelis PR: 90162 Approved by: re (blanket)
903 lines
24 KiB
C
903 lines
24 KiB
C
/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/ioccom.h>
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#include <sys/conf.h>
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#include <sys/fcntl.h>
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#include <sys/tty.h>
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#include <sys/file.h>
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#include <sys/selinfo.h>
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#include <sys/poll.h>
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#include <sys/sysctl.h>
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#include <sys/uio.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbhid.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include "usbdevs.h"
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#include <dev/usb/usb_quirks.h>
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#include <dev/usb/hid.h>
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#include <sys/mouse.h>
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#ifdef USB_DEBUG
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#define DPRINTF(x) if (umsdebug) printf x
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#define DPRINTFN(n,x) if (umsdebug>(n)) printf x
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int umsdebug = 0;
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SYSCTL_NODE(_hw_usb, OID_AUTO, ums, CTLFLAG_RW, 0, "USB ums");
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SYSCTL_INT(_hw_usb_ums, OID_AUTO, debug, CTLFLAG_RW,
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&umsdebug, 0, "ums debug level");
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#else
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#define DPRINTF(x)
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#define DPRINTFN(n,x)
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#endif
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#define UMSUNIT(s) (minor(s)&0x1f)
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#define MS_TO_TICKS(ms) ((ms) * hz / 1000)
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#define QUEUE_BUFSIZE 400 /* MUST be divisible by 5 _and_ 8 */
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struct ums_softc {
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device_t sc_dev; /* base device */
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usbd_interface_handle sc_iface; /* interface */
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usbd_pipe_handle sc_intrpipe; /* interrupt pipe */
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int sc_ep_addr;
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u_char *sc_ibuf;
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u_int8_t sc_iid;
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int sc_isize;
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struct hid_location sc_loc_x, sc_loc_y, sc_loc_z, sc_loc_t;
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struct hid_location *sc_loc_btn;
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struct callout callout_handle; /* for spurious button ups */
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int sc_enabled;
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int sc_disconnected; /* device is gone */
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int flags; /* device configuration */
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#define UMS_Z 0x01 /* z direction available */
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#define UMS_SPUR_BUT_UP 0x02 /* spurious button up events */
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#define UMS_T 0x04 /* aa direction available (tilt) */
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int nbuttons;
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#define MAX_BUTTONS 31 /* chosen because sc_buttons is int */
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u_char qbuf[QUEUE_BUFSIZE]; /* must be divisable by 3&4 */
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u_char dummy[100]; /* XXX just for safety and for now */
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int qcount, qhead, qtail;
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mousehw_t hw;
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mousemode_t mode;
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mousestatus_t status;
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int state;
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# define UMS_ASLEEP 0x01 /* readFromDevice is waiting */
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# define UMS_SELECT 0x02 /* select is waiting */
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struct selinfo rsel; /* process waiting in select */
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struct cdev *dev; /* specfs */
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};
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#define MOUSE_FLAGS_MASK (HIO_CONST|HIO_RELATIVE)
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#define MOUSE_FLAGS (HIO_RELATIVE)
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static void ums_intr(usbd_xfer_handle xfer,
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usbd_private_handle priv, usbd_status status);
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static void ums_add_to_queue(struct ums_softc *sc,
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int dx, int dy, int dz, int dt, int buttons);
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static void ums_add_to_queue_timeout(void *priv);
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static int ums_enable(void *);
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static void ums_disable(void *);
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static d_open_t ums_open;
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static d_close_t ums_close;
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static d_read_t ums_read;
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static d_ioctl_t ums_ioctl;
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static d_poll_t ums_poll;
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static struct cdevsw ums_cdevsw = {
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.d_version = D_VERSION,
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.d_flags = D_NEEDGIANT,
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.d_open = ums_open,
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.d_close = ums_close,
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.d_read = ums_read,
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.d_ioctl = ums_ioctl,
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.d_poll = ums_poll,
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.d_name = "ums",
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};
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static device_probe_t ums_match;
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static device_attach_t ums_attach;
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static device_detach_t ums_detach;
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static device_method_t ums_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ums_match),
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DEVMETHOD(device_attach, ums_attach),
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DEVMETHOD(device_detach, ums_detach),
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{ 0, 0 }
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};
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static driver_t ums_driver = {
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"ums",
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ums_methods,
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sizeof(struct ums_softc)
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};
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static devclass_t ums_devclass;
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static int
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ums_match(device_t self)
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{
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struct usb_attach_arg *uaa = device_get_ivars(self);
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usb_interface_descriptor_t *id;
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int size, ret;
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void *desc;
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usbd_status err;
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if (!uaa->iface)
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return (UMATCH_NONE);
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id = usbd_get_interface_descriptor(uaa->iface);
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if (!id || id->bInterfaceClass != UICLASS_HID)
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return (UMATCH_NONE);
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err = usbd_read_report_desc(uaa->iface, &desc, &size, M_TEMP);
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if (err)
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return (UMATCH_NONE);
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if (id->bInterfaceClass == UICLASS_HID &&
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id->bInterfaceSubClass == UISUBCLASS_BOOT &&
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id->bInterfaceProtocol == UIPROTO_MOUSE)
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ret = UMATCH_IFACECLASS;
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else
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ret = UMATCH_NONE;
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free(desc, M_TEMP);
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return (ret);
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}
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static int
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ums_attach(device_t self)
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{
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struct ums_softc *sc = device_get_softc(self);
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struct usb_attach_arg *uaa = device_get_ivars(self);
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usbd_interface_handle iface = uaa->iface;
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usb_interface_descriptor_t *id;
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usb_endpoint_descriptor_t *ed;
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int size;
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void *desc;
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usbd_status err;
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u_int32_t flags;
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int i;
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struct hid_location loc_btn;
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sc->sc_disconnected = 1;
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sc->sc_iface = iface;
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id = usbd_get_interface_descriptor(iface);
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sc->sc_dev = self;
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ed = usbd_interface2endpoint_descriptor(iface, 0);
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if (!ed) {
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printf("%s: could not read endpoint descriptor\n",
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device_get_nameunit(sc->sc_dev));
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return ENXIO;
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}
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DPRINTFN(10,("ums_attach: bLength=%d bDescriptorType=%d "
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"bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d"
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" bInterval=%d\n",
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ed->bLength, ed->bDescriptorType,
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UE_GET_ADDR(ed->bEndpointAddress),
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UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN ? "in":"out",
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UE_GET_XFERTYPE(ed->bmAttributes),
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UGETW(ed->wMaxPacketSize), ed->bInterval));
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if (UE_GET_DIR(ed->bEndpointAddress) != UE_DIR_IN ||
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UE_GET_XFERTYPE(ed->bmAttributes) != UE_INTERRUPT) {
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printf("%s: unexpected endpoint\n",
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device_get_nameunit(sc->sc_dev));
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return ENXIO;
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}
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err = usbd_read_report_desc(uaa->iface, &desc, &size, M_TEMP);
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if (err)
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return ENXIO;
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if (!hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X),
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hid_input, &sc->sc_loc_x, &flags)) {
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printf("%s: mouse has no X report\n", device_get_nameunit(sc->sc_dev));
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return ENXIO;
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}
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if ((flags & MOUSE_FLAGS_MASK) != MOUSE_FLAGS) {
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printf("%s: X report 0x%04x not supported\n",
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device_get_nameunit(sc->sc_dev), flags);
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return ENXIO;
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}
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if (!hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y),
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hid_input, &sc->sc_loc_y, &flags)) {
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printf("%s: mouse has no Y report\n", device_get_nameunit(sc->sc_dev));
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return ENXIO;
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}
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if ((flags & MOUSE_FLAGS_MASK) != MOUSE_FLAGS) {
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printf("%s: Y report 0x%04x not supported\n",
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device_get_nameunit(sc->sc_dev), flags);
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return ENXIO;
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}
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/* try to guess the Z activator: first check Z, then WHEEL */
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if (hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Z),
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hid_input, &sc->sc_loc_z, &flags) ||
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hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_WHEEL),
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hid_input, &sc->sc_loc_z, &flags) ||
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hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_TWHEEL),
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hid_input, &sc->sc_loc_z, &flags)) {
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if ((flags & MOUSE_FLAGS_MASK) != MOUSE_FLAGS) {
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sc->sc_loc_z.size = 0; /* Bad Z coord, ignore it */
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} else {
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sc->flags |= UMS_Z;
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}
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}
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/*
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* The Microsoft Wireless Intellimouse 2.0 reports it's wheel
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* using 0x0048 (i've called it HUG_TWHEEL) and seems to expect
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* you to know that the byte after the wheel is the tilt axis.
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* There are no other HID axis descriptors other than X,Y and
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* TWHEEL
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*/
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if (hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_TWHEEL),
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hid_input, &sc->sc_loc_t, &flags)) {
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sc->sc_loc_t.pos = sc->sc_loc_t.pos + 8;
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sc->flags |= UMS_T;
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}
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/* figure out the number of buttons */
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for (i = 1; i <= MAX_BUTTONS; i++)
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if (!hid_locate(desc, size, HID_USAGE2(HUP_BUTTON, i),
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hid_input, &loc_btn, 0))
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break;
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sc->nbuttons = i - 1;
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sc->sc_loc_btn = malloc(sizeof(struct hid_location)*sc->nbuttons,
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M_USBDEV, M_NOWAIT);
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if (!sc->sc_loc_btn) {
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printf("%s: no memory\n", device_get_nameunit(sc->sc_dev));
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return ENXIO;
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}
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printf("%s: %d buttons%s%s.\n", device_get_nameunit(sc->sc_dev),
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sc->nbuttons, sc->flags & UMS_Z? " and Z dir" : "",
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sc->flags & UMS_T?" and a TILT dir": "");
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for (i = 1; i <= sc->nbuttons; i++)
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hid_locate(desc, size, HID_USAGE2(HUP_BUTTON, i),
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hid_input, &sc->sc_loc_btn[i-1], 0);
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sc->sc_isize = hid_report_size(desc, size, hid_input, &sc->sc_iid);
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sc->sc_ibuf = malloc(sc->sc_isize, M_USB, M_NOWAIT);
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if (!sc->sc_ibuf) {
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printf("%s: no memory\n", device_get_nameunit(sc->sc_dev));
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free(sc->sc_loc_btn, M_USB);
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return ENXIO;
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}
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/*
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* The Microsoft Wireless Notebook Optical Mouse seems to be in worse
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* shape than the Wireless Intellimouse 2.0, as its X, Y, wheel, and
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* all of its other button positions are all off. It also reports that
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* it has two addional buttons and a tilt wheel.
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*/
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if (usbd_get_quirks(uaa->device)->uq_flags & UQ_MS_BAD_CLASS) {
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sc->flags = UMS_Z;
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sc->flags |= UMS_SPUR_BUT_UP;
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sc->nbuttons = 3;
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sc->sc_isize = 5;
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sc->sc_iid = 0;
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/* 1st byte of descriptor report contains garbage */
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sc->sc_loc_x.pos = 16;
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sc->sc_loc_y.pos = 24;
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sc->sc_loc_z.pos = 32;
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sc->sc_loc_btn[0].pos = 8;
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sc->sc_loc_btn[1].pos = 9;
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sc->sc_loc_btn[2].pos = 10;
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}
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sc->sc_ep_addr = ed->bEndpointAddress;
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sc->sc_disconnected = 0;
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free(desc, M_TEMP);
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#ifdef USB_DEBUG
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DPRINTF(("ums_attach: sc=%p\n", sc));
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DPRINTF(("ums_attach: X\t%d/%d\n",
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sc->sc_loc_x.pos, sc->sc_loc_x.size));
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DPRINTF(("ums_attach: Y\t%d/%d\n",
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sc->sc_loc_y.pos, sc->sc_loc_y.size));
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if (sc->flags & UMS_Z)
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DPRINTF(("ums_attach: Z\t%d/%d\n",
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sc->sc_loc_z.pos, sc->sc_loc_z.size));
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for (i = 1; i <= sc->nbuttons; i++) {
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DPRINTF(("ums_attach: B%d\t%d/%d\n",
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i, sc->sc_loc_btn[i-1].pos,sc->sc_loc_btn[i-1].size));
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}
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DPRINTF(("ums_attach: size=%d, id=%d\n", sc->sc_isize, sc->sc_iid));
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#endif
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if (sc->nbuttons > MOUSE_MSC_MAXBUTTON)
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sc->hw.buttons = MOUSE_MSC_MAXBUTTON;
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else
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sc->hw.buttons = sc->nbuttons;
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sc->hw.iftype = MOUSE_IF_USB;
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sc->hw.type = MOUSE_MOUSE;
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sc->hw.model = MOUSE_MODEL_GENERIC;
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sc->hw.hwid = 0;
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sc->mode.protocol = MOUSE_PROTO_MSC;
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sc->mode.rate = -1;
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sc->mode.resolution = MOUSE_RES_UNKNOWN;
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sc->mode.accelfactor = 0;
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sc->mode.level = 0;
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sc->mode.packetsize = MOUSE_MSC_PACKETSIZE;
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sc->mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
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sc->mode.syncmask[1] = MOUSE_MSC_SYNC;
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sc->status.flags = 0;
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sc->status.button = sc->status.obutton = 0;
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sc->status.dx = sc->status.dy = sc->status.dz = 0;
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sc->dev = make_dev(&ums_cdevsw, device_get_unit(self),
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UID_ROOT, GID_OPERATOR,
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0644, "ums%d", device_get_unit(self));
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callout_init(&sc->callout_handle, 0);
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if (usbd_get_quirks(uaa->device)->uq_flags & UQ_SPUR_BUT_UP) {
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DPRINTF(("%s: Spurious button up events\n",
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device_get_nameunit(sc->sc_dev)));
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sc->flags |= UMS_SPUR_BUT_UP;
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}
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return 0;
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}
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static int
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ums_detach(device_t self)
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{
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struct ums_softc *sc = device_get_softc(self);
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if (sc->sc_enabled)
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ums_disable(sc);
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DPRINTF(("%s: disconnected\n", device_get_nameunit(self)));
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free(sc->sc_loc_btn, M_USB);
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free(sc->sc_ibuf, M_USB);
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/* someone waiting for data */
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/*
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* XXX If we wakeup the process here, the device will be gone by
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* the time the process gets a chance to notice. *_close and friends
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* should be fixed to handle this case.
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* Or we should do a delayed detach for this.
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* Does this delay now force tsleep to exit with an error?
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*/
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if (sc->state & UMS_ASLEEP) {
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sc->state &= ~UMS_ASLEEP;
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wakeup(sc);
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}
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if (sc->state & UMS_SELECT) {
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sc->state &= ~UMS_SELECT;
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selwakeuppri(&sc->rsel, PZERO);
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}
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destroy_dev(sc->dev);
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return 0;
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}
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void
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ums_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
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{
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struct ums_softc *sc = addr;
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u_char *ibuf;
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int dx, dy, dz, dt;
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int buttons = 0;
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int i;
|
|
|
|
#define UMS_BUT(i) ((i) < 3 ? (((i) + 2) % 3) : (i))
|
|
|
|
DPRINTFN(5, ("ums_intr: sc=%p status=%d\n", sc, status));
|
|
DPRINTFN(5, ("ums_intr: data ="));
|
|
for (i = 0; i < sc->sc_isize; i++)
|
|
DPRINTFN(5, (" %02x", sc->sc_ibuf[i]));
|
|
DPRINTFN(5, ("\n"));
|
|
|
|
if (status == USBD_CANCELLED)
|
|
return;
|
|
|
|
if (status != USBD_NORMAL_COMPLETION) {
|
|
DPRINTF(("ums_intr: status=%d\n", status));
|
|
if (status == USBD_STALLED)
|
|
usbd_clear_endpoint_stall_async(sc->sc_intrpipe);
|
|
if(status != USBD_IOERROR)
|
|
return;
|
|
}
|
|
|
|
ibuf = sc->sc_ibuf;
|
|
/*
|
|
* The M$ Wireless Intellimouse 2.0 sends 1 extra leading byte of
|
|
* data compared to most USB mice. This byte frequently switches
|
|
* from 0x01 (usual state) to 0x02. I assume it is to allow
|
|
* extra, non-standard, reporting (say battery-life). However
|
|
* at the same time it generates a left-click message on the button
|
|
* byte which causes spurious left-click's where there shouldn't be.
|
|
* This should sort that.
|
|
* Currently it's the only user of UMS_T so use it as an identifier.
|
|
* We probably should switch to some more official quirk.
|
|
*
|
|
* UPDATE: This problem affects the M$ Wireless Notebook Optical Mouse,
|
|
* too. However, the leading byte for this mouse is normally 0x11,
|
|
* and the phantom mouse click occurs when its 0x14.
|
|
*/
|
|
if (sc->flags & UMS_T) {
|
|
if (sc->sc_iid) {
|
|
if (*ibuf++ == 0x02)
|
|
return;
|
|
}
|
|
} else if (sc->flags & UMS_SPUR_BUT_UP) {
|
|
DPRINTFN(5, ("ums_intr: #### ibuf[0] =3D %d ####\n", *ibuf));
|
|
if (*ibuf == 0x14 || *ibuf == 0x15)
|
|
return;
|
|
} else {
|
|
if (sc->sc_iid) {
|
|
if (*ibuf++ != sc->sc_iid)
|
|
return;
|
|
}
|
|
}
|
|
|
|
dx = hid_get_data(ibuf, &sc->sc_loc_x);
|
|
dy = -hid_get_data(ibuf, &sc->sc_loc_y);
|
|
dz = -hid_get_data(ibuf, &sc->sc_loc_z);
|
|
if (sc->flags & UMS_T)
|
|
dt = -hid_get_data(ibuf, &sc->sc_loc_t);
|
|
else
|
|
dt = 0;
|
|
for (i = 0; i < sc->nbuttons; i++)
|
|
if (hid_get_data(ibuf, &sc->sc_loc_btn[i]))
|
|
buttons |= (1 << UMS_BUT(i));
|
|
|
|
if (dx || dy || dz || dt || (sc->flags & UMS_Z)
|
|
|| buttons != sc->status.button) {
|
|
DPRINTFN(5, ("ums_intr: x:%d y:%d z:%d t:%d buttons:0x%x\n",
|
|
dx, dy, dz, dt, buttons));
|
|
|
|
sc->status.button = buttons;
|
|
sc->status.dx += dx;
|
|
sc->status.dy += dy;
|
|
sc->status.dz += dz;
|
|
/* sc->status.dt += dt;*/ /* no way to export this yet */
|
|
|
|
/* Discard data in case of full buffer */
|
|
if (sc->qcount == sizeof(sc->qbuf)) {
|
|
DPRINTF(("Buffer full, discarded packet"));
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* The Qtronix keyboard has a built in PS/2 port for a mouse.
|
|
* The firmware once in a while posts a spurious button up
|
|
* event. This event we ignore by doing a timeout for 50 msecs.
|
|
* If we receive dx=dy=dz=buttons=0 before we add the event to
|
|
* the queue.
|
|
* In any other case we delete the timeout event.
|
|
*/
|
|
if (sc->flags & UMS_SPUR_BUT_UP &&
|
|
dx == 0 && dy == 0 && dz == 0 && dt == 0 && buttons == 0) {
|
|
callout_reset(&sc->callout_handle, MS_TO_TICKS(50),
|
|
ums_add_to_queue_timeout, (void *) sc);
|
|
} else {
|
|
callout_stop(&sc->callout_handle);
|
|
ums_add_to_queue(sc, dx, dy, dz, dt, buttons);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
ums_add_to_queue_timeout(void *priv)
|
|
{
|
|
struct ums_softc *sc = priv;
|
|
int s;
|
|
|
|
s = splusb();
|
|
ums_add_to_queue(sc, 0, 0, 0, 0, 0);
|
|
splx(s);
|
|
}
|
|
|
|
static void
|
|
ums_add_to_queue(struct ums_softc *sc, int dx, int dy, int dz, int dt, int buttons)
|
|
{
|
|
/* Discard data in case of full buffer */
|
|
if (sc->qhead+sc->mode.packetsize > sizeof(sc->qbuf)) {
|
|
DPRINTF(("Buffer full, discarded packet"));
|
|
return;
|
|
}
|
|
|
|
if (dx > 254) dx = 254;
|
|
if (dx < -256) dx = -256;
|
|
if (dy > 254) dy = 254;
|
|
if (dy < -256) dy = -256;
|
|
if (dz > 126) dz = 126;
|
|
if (dz < -128) dz = -128;
|
|
if (dt > 126) dt = 126;
|
|
if (dt < -128) dt = -128;
|
|
|
|
sc->qbuf[sc->qhead] = sc->mode.syncmask[1];
|
|
sc->qbuf[sc->qhead] |= ~buttons & MOUSE_MSC_BUTTONS;
|
|
sc->qbuf[sc->qhead+1] = dx >> 1;
|
|
sc->qbuf[sc->qhead+2] = dy >> 1;
|
|
sc->qbuf[sc->qhead+3] = dx - (dx >> 1);
|
|
sc->qbuf[sc->qhead+4] = dy - (dy >> 1);
|
|
|
|
if (sc->mode.level == 1) {
|
|
sc->qbuf[sc->qhead+5] = dz >> 1;
|
|
sc->qbuf[sc->qhead+6] = dz - (dz >> 1);
|
|
sc->qbuf[sc->qhead+7] = ((~buttons >> 3)
|
|
& MOUSE_SYS_EXTBUTTONS);
|
|
}
|
|
|
|
sc->qhead += sc->mode.packetsize;
|
|
sc->qcount += sc->mode.packetsize;
|
|
/* wrap round at end of buffer */
|
|
if (sc->qhead >= sizeof(sc->qbuf))
|
|
sc->qhead = 0;
|
|
|
|
/* someone waiting for data */
|
|
if (sc->state & UMS_ASLEEP) {
|
|
sc->state &= ~UMS_ASLEEP;
|
|
wakeup(sc);
|
|
}
|
|
if (sc->state & UMS_SELECT) {
|
|
sc->state &= ~UMS_SELECT;
|
|
selwakeuppri(&sc->rsel, PZERO);
|
|
}
|
|
}
|
|
static int
|
|
ums_enable(v)
|
|
void *v;
|
|
{
|
|
struct ums_softc *sc = v;
|
|
|
|
usbd_status err;
|
|
|
|
if (sc->sc_enabled)
|
|
return EBUSY;
|
|
|
|
sc->sc_enabled = 1;
|
|
sc->qcount = 0;
|
|
sc->qhead = sc->qtail = 0;
|
|
sc->status.flags = 0;
|
|
sc->status.button = sc->status.obutton = 0;
|
|
sc->status.dx = sc->status.dy = sc->status.dz /* = sc->status.dt */ = 0;
|
|
|
|
callout_handle_init((struct callout_handle *)&sc->callout_handle);
|
|
|
|
/* 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, ums_intr,
|
|
USBD_DEFAULT_INTERVAL);
|
|
if (err) {
|
|
DPRINTF(("ums_enable: usbd_open_pipe_intr failed, error=%d\n",
|
|
err));
|
|
sc->sc_enabled = 0;
|
|
return (EIO);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
ums_disable(priv)
|
|
void *priv;
|
|
{
|
|
struct ums_softc *sc = priv;
|
|
|
|
callout_stop(&sc->callout_handle);
|
|
|
|
/* Disable interrupts. */
|
|
usbd_abort_pipe(sc->sc_intrpipe);
|
|
usbd_close_pipe(sc->sc_intrpipe);
|
|
|
|
sc->sc_enabled = 0;
|
|
|
|
if (sc->qcount != 0)
|
|
DPRINTF(("Discarded %d bytes in queue\n", sc->qcount));
|
|
}
|
|
|
|
static int
|
|
ums_open(struct cdev *dev, int flag, int fmt, struct thread *p)
|
|
{
|
|
struct ums_softc *sc;
|
|
|
|
sc = devclass_get_softc(ums_devclass, UMSUNIT(dev));
|
|
if (sc == NULL)
|
|
return (ENXIO);
|
|
|
|
return ums_enable(sc);
|
|
}
|
|
|
|
static int
|
|
ums_close(struct cdev *dev, int flag, int fmt, struct thread *p)
|
|
{
|
|
struct ums_softc *sc;
|
|
|
|
sc = devclass_get_softc(ums_devclass, UMSUNIT(dev));
|
|
if (!sc)
|
|
return 0;
|
|
|
|
if (sc->sc_enabled)
|
|
ums_disable(sc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ums_read(struct cdev *dev, struct uio *uio, int flag)
|
|
{
|
|
struct ums_softc *sc;
|
|
int s;
|
|
char buf[sizeof(sc->qbuf)];
|
|
int l = 0;
|
|
int error;
|
|
|
|
sc = devclass_get_softc(ums_devclass, UMSUNIT(dev));
|
|
s = splusb();
|
|
if (!sc) {
|
|
splx(s);
|
|
return EIO;
|
|
}
|
|
|
|
while (sc->qcount == 0 ) {
|
|
if (flag & O_NONBLOCK) { /* non-blocking I/O */
|
|
splx(s);
|
|
return EWOULDBLOCK;
|
|
}
|
|
|
|
sc->state |= UMS_ASLEEP; /* blocking I/O */
|
|
error = tsleep(sc, PZERO | PCATCH, "umsrea", 0);
|
|
if (error) {
|
|
splx(s);
|
|
return error;
|
|
} else if (!sc->sc_enabled) {
|
|
splx(s);
|
|
return EINTR;
|
|
}
|
|
/* check whether the device is still there */
|
|
|
|
sc = devclass_get_softc(ums_devclass, UMSUNIT(dev));
|
|
if (!sc) {
|
|
splx(s);
|
|
return EIO;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* XXX we could optimise the use of splx/splusb somewhat. The writer
|
|
* process only extends qcount and qtail. We could copy them and use the copies
|
|
* to do the copying out of the queue.
|
|
*/
|
|
|
|
while ((sc->qcount > 0) && (uio->uio_resid > 0)) {
|
|
l = (sc->qcount < uio->uio_resid? sc->qcount:uio->uio_resid);
|
|
if (l > sizeof(buf))
|
|
l = sizeof(buf);
|
|
if (l > sizeof(sc->qbuf) - sc->qtail) /* transfer till end of buf */
|
|
l = sizeof(sc->qbuf) - sc->qtail;
|
|
|
|
splx(s);
|
|
uiomove(&sc->qbuf[sc->qtail], l, uio);
|
|
s = splusb();
|
|
|
|
if ( sc->qcount - l < 0 ) {
|
|
DPRINTF(("qcount below 0, count=%d l=%d\n", sc->qcount, l));
|
|
sc->qcount = l;
|
|
}
|
|
sc->qcount -= l; /* remove the bytes from the buffer */
|
|
sc->qtail = (sc->qtail + l) % sizeof(sc->qbuf);
|
|
}
|
|
splx(s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ums_poll(struct cdev *dev, int events, struct thread *p)
|
|
{
|
|
struct ums_softc *sc;
|
|
int revents = 0;
|
|
int s;
|
|
|
|
sc = devclass_get_softc(ums_devclass, UMSUNIT(dev));
|
|
if (!sc)
|
|
return 0;
|
|
|
|
s = splusb();
|
|
if (events & (POLLIN | POLLRDNORM)) {
|
|
if (sc->qcount) {
|
|
revents = events & (POLLIN | POLLRDNORM);
|
|
} else {
|
|
sc->state |= UMS_SELECT;
|
|
selrecord(p, &sc->rsel);
|
|
}
|
|
}
|
|
splx(s);
|
|
|
|
return revents;
|
|
}
|
|
|
|
int
|
|
ums_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *p)
|
|
{
|
|
struct ums_softc *sc;
|
|
int error = 0;
|
|
int s;
|
|
mousemode_t mode;
|
|
|
|
sc = devclass_get_softc(ums_devclass, UMSUNIT(dev));
|
|
if (!sc)
|
|
return EIO;
|
|
|
|
switch(cmd) {
|
|
case MOUSE_GETHWINFO:
|
|
*(mousehw_t *)addr = sc->hw;
|
|
break;
|
|
case MOUSE_GETMODE:
|
|
*(mousemode_t *)addr = sc->mode;
|
|
break;
|
|
case MOUSE_SETMODE:
|
|
mode = *(mousemode_t *)addr;
|
|
|
|
if (mode.level == -1)
|
|
/* don't change the current setting */
|
|
;
|
|
else if ((mode.level < 0) || (mode.level > 1))
|
|
return (EINVAL);
|
|
|
|
s = splusb();
|
|
sc->mode.level = mode.level;
|
|
|
|
if (sc->mode.level == 0) {
|
|
if (sc->nbuttons > MOUSE_MSC_MAXBUTTON)
|
|
sc->hw.buttons = MOUSE_MSC_MAXBUTTON;
|
|
else
|
|
sc->hw.buttons = sc->nbuttons;
|
|
sc->mode.protocol = MOUSE_PROTO_MSC;
|
|
sc->mode.packetsize = MOUSE_MSC_PACKETSIZE;
|
|
sc->mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
|
|
sc->mode.syncmask[1] = MOUSE_MSC_SYNC;
|
|
} else if (sc->mode.level == 1) {
|
|
if (sc->nbuttons > MOUSE_SYS_MAXBUTTON)
|
|
sc->hw.buttons = MOUSE_SYS_MAXBUTTON;
|
|
else
|
|
sc->hw.buttons = sc->nbuttons;
|
|
sc->mode.protocol = MOUSE_PROTO_SYSMOUSE;
|
|
sc->mode.packetsize = MOUSE_SYS_PACKETSIZE;
|
|
sc->mode.syncmask[0] = MOUSE_SYS_SYNCMASK;
|
|
sc->mode.syncmask[1] = MOUSE_SYS_SYNC;
|
|
}
|
|
|
|
bzero(sc->qbuf, sizeof(sc->qbuf));
|
|
sc->qhead = sc->qtail = sc->qcount = 0;
|
|
splx(s);
|
|
|
|
break;
|
|
case MOUSE_GETLEVEL:
|
|
*(int *)addr = sc->mode.level;
|
|
break;
|
|
case MOUSE_SETLEVEL:
|
|
if (*(int *)addr < 0 || *(int *)addr > 1)
|
|
return (EINVAL);
|
|
|
|
s = splusb();
|
|
sc->mode.level = *(int *)addr;
|
|
|
|
if (sc->mode.level == 0) {
|
|
if (sc->nbuttons > MOUSE_MSC_MAXBUTTON)
|
|
sc->hw.buttons = MOUSE_MSC_MAXBUTTON;
|
|
else
|
|
sc->hw.buttons = sc->nbuttons;
|
|
sc->mode.protocol = MOUSE_PROTO_MSC;
|
|
sc->mode.packetsize = MOUSE_MSC_PACKETSIZE;
|
|
sc->mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
|
|
sc->mode.syncmask[1] = MOUSE_MSC_SYNC;
|
|
} else if (sc->mode.level == 1) {
|
|
if (sc->nbuttons > MOUSE_SYS_MAXBUTTON)
|
|
sc->hw.buttons = MOUSE_SYS_MAXBUTTON;
|
|
else
|
|
sc->hw.buttons = sc->nbuttons;
|
|
sc->mode.protocol = MOUSE_PROTO_SYSMOUSE;
|
|
sc->mode.packetsize = MOUSE_SYS_PACKETSIZE;
|
|
sc->mode.syncmask[0] = MOUSE_SYS_SYNCMASK;
|
|
sc->mode.syncmask[1] = MOUSE_SYS_SYNC;
|
|
}
|
|
|
|
bzero(sc->qbuf, sizeof(sc->qbuf));
|
|
sc->qhead = sc->qtail = sc->qcount = 0;
|
|
splx(s);
|
|
|
|
break;
|
|
case MOUSE_GETSTATUS: {
|
|
mousestatus_t *status = (mousestatus_t *) addr;
|
|
|
|
s = splusb();
|
|
*status = sc->status;
|
|
sc->status.obutton = sc->status.button;
|
|
sc->status.button = 0;
|
|
sc->status.dx = sc->status.dy
|
|
= sc->status.dz = /* sc->status.dt = */ 0;
|
|
splx(s);
|
|
|
|
if (status->dx || status->dy || status->dz /* || status->dt */)
|
|
status->flags |= MOUSE_POSCHANGED;
|
|
if (status->button != status->obutton)
|
|
status->flags |= MOUSE_BUTTONSCHANGED;
|
|
break;
|
|
}
|
|
default:
|
|
error = ENOTTY;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
MODULE_DEPEND(ums, usb, 1, 1, 1);
|
|
DRIVER_MODULE(ums, uhub, ums_driver, ums_devclass, usbd_driver_load, 0);
|