File: [local] / sys / arch / vax / dec / dzms.c (download)
Revision 1.1, Tue Mar 4 16:08:36 2008 UTC (16 years, 3 months ago) by nbrk
Branch point for: MAIN
Initial revision
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/* $OpenBSD: dzms.c,v 1.7 2006/08/27 16:52:15 miod Exp $ */
/* $NetBSD: dzms.c,v 1.1 2000/12/02 17:03:55 ragge Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)ms.c 8.1 (Berkeley) 6/11/93
*/
/*
* VSXXX mice attached to line 1 of the DZ*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/tty.h>
#include <machine/bus.h>
#include <vax/qbus/dzreg.h>
#include <vax/qbus/dzvar.h>
#include <vax/dec/dzkbdvar.h>
#include <vax/dec/vsmsvar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsmousevar.h>
struct dzms_softc { /* driver status information */
struct lkms_softc sc_base;
struct dz_linestate *dzms_ls;
};
int dzms_match(struct device *, struct cfdata *, void *);
void dzms_attach(struct device *, struct device *, void *);
struct cfattach dzms_ca = {
sizeof(struct dzms_softc), (cfmatch_t)dzms_match, dzms_attach,
};
int dzms_enable(void *);
void dzms_disable(void *);
const struct wsmouse_accessops dzms_accessops = {
dzms_enable,
lkms_ioctl,
dzms_disable,
};
int
dzms_match(struct device *parent, struct cfdata *cf, void *aux)
{
struct dzkm_attach_args *daa = aux;
#define DZCF_LINE 0
#define DZCF_LINE_DEFAULT 1
/* Exact match is better than wildcard. */
if (cf->cf_loc[DZCF_LINE] == daa->daa_line)
return 2;
/* This driver accepts wildcard. */
if (cf->cf_loc[DZCF_LINE] == DZCF_LINE_DEFAULT)
return 1;
return 0;
}
void
dzms_attach(struct device *parent, struct device *self, void *aux)
{
struct dz_softc *dz = (void *)parent;
struct dzms_softc *dzms = (void *)self;
struct lkms_softc *sc = (void *)self;
struct dzkm_attach_args *daa = aux;
struct dz_linestate *ls;
struct wsmousedev_attach_args a;
dz->sc_dz[daa->daa_line].dz_catch = lkms_input;
dz->sc_dz[daa->daa_line].dz_private = dzms;
ls = &dz->sc_dz[daa->daa_line];
dzms->dzms_ls = ls;
printf("\n");
a.accessops = &dzms_accessops;
a.accesscookie = dzms;
sc->sc_enabled = 0;
sc->sc_selftest = 0;
sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
}
int
dzms_enable(void *v)
{
struct dzms_softc *dzms = v;
struct lkms_softc *sc = v;
if (sc->sc_enabled)
return EBUSY;
sc->sc_selftest = 4; /* wait for 4 byte reply upto 1/2 sec */
dzputc(dzms->dzms_ls, MOUSE_SELF_TEST);
(void)tsleep(&sc->sc_enabled, TTIPRI, "dzmsopen", hz / 2);
if (sc->sc_selftest != 0) {
sc->sc_selftest = 0;
return ENXIO;
}
DELAY(150);
dzputc(dzms->dzms_ls, MOUSE_INCREMENTAL);
sc->sc_enabled = 1;
sc->inputstate = 0;
return 0;
}
void
dzms_disable(void *v)
{
struct lkms_softc *sc = v;
sc->sc_enabled = 0;
}