175 lines
4.1 KiB
C
175 lines
4.1 KiB
C
/* $NetBSD: dtms.c,v 1.9 2008/04/28 20:23:32 martin Exp $ */
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/*-
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* Copyright (c) 2002, 2003 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 Andrew Doran.
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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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*
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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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__KERNEL_RCSID(0, "$NetBSD: dtms.c,v 1.9 2008/04/28 20:23:32 martin Exp $");
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#include "locators.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/ioctl.h>
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#include <sys/syslog.h>
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#include <machine/bus.h>
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#include <arch/pmax/tc/dtreg.h>
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#include <arch/pmax/tc/dtvar.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsmousevar.h>
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struct dtms_softc {
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struct device sc_dv;
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struct device *sc_wsmousedev;
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int sc_enabled;
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};
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int dtms_match(struct device *, struct cfdata *, void *);
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void dtms_attach(struct device *, struct device *, void *);
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int dtms_input(void *, int);
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int dtms_enable(void *);
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int dtms_ioctl(void *, u_long, void *, int, struct lwp *);
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void dtms_disable(void *);
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void dtms_handler(void *, struct dt_msg *);
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CFATTACH_DECL(dtms, sizeof(struct dtms_softc),
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dtms_match, dtms_attach, NULL, NULL);
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const struct wsmouse_accessops dtms_accessops = {
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dtms_enable,
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dtms_ioctl,
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dtms_disable,
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};
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int
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dtms_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct dt_attach_args *dta;
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dta = aux;
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return (dta->dta_addr == DT_ADDR_MOUSE);
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}
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void
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dtms_attach(struct device *parent, struct device *self, void *aux)
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{
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struct wsmousedev_attach_args a;
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struct dtms_softc *sc;
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struct dt_softc *dt;
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dt = (struct dt_softc *)parent;
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sc = (struct dtms_softc *)self;
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printf("\n");
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if (dt_establish_handler(dt, &dt_ms_dv, self, dtms_handler)) {
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printf("%s: unable to establish handler\n", self->dv_xname);
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return;
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}
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a.accessops = &dtms_accessops;
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a.accesscookie = sc;
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sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
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}
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int
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dtms_enable(void *cookie)
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{
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struct dtms_softc *sc;
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sc = cookie;
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if (sc->sc_enabled)
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return (EBUSY);
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sc->sc_enabled = 1;
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return (0);
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}
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void
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dtms_disable(void *cookie)
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{
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struct dtms_softc *sc;
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sc = cookie;
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sc->sc_enabled = 0;
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}
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int
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dtms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
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{
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if (cmd == WSMOUSEIO_GTYPE) {
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*(u_int *)data = WSMOUSE_TYPE_VSXXX;
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return (0);
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}
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return (EPASSTHROUGH);
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}
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void
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dtms_handler(void *cookie, struct dt_msg *msg)
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{
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struct dtms_softc *sc;
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int buttons, dx, dy;
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short tmp;
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sc = cookie;
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if (!sc->sc_enabled)
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return;
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tmp = DT_GET_SHORT(msg->body[0], msg->body[1]);
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buttons = tmp & 1;
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if (tmp & 2)
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buttons |= 4;
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if (tmp & 4)
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buttons |= 2;
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tmp = DT_GET_SHORT(msg->body[2], msg->body[3]);
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if (tmp < 0)
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dx = -(-tmp & 0x1f);
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else
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dx = tmp & 0x1f;
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tmp = DT_GET_SHORT(msg->body[4], msg->body[5]);
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if (tmp < 0)
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dy = -(-tmp & 0x1f);
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else
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dy = tmp & 0x1f;
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wsmouse_input(sc->sc_wsmousedev,
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buttons,
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dx, dy, 0, 0,
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WSMOUSE_INPUT_DELTA);
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}
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