266 lines
6.6 KiB
C
266 lines
6.6 KiB
C
/* $NetBSD: dzms.c,v 1.3 2002/02/25 14:58:08 ad Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* 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 University of
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* California, Lawrence Berkeley Laboratory.
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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 University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ms.c 8.1 (Berkeley) 6/11/93
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*/
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/*
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* VSXXX mice attached to line 1 of the DZ*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: dzms.c,v 1.3 2002/02/25 14:58:08 ad Exp $");
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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 <dev/dec/dzreg.h>
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#include <dev/dec/dzvar.h>
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#include <dev/dec/dzkbdvar.h>
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#include <dev/dec/lk201.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsmousevar.h>
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#include "locators.h"
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struct dzms_softc { /* driver status information */
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struct device dzms_dev; /* required first: base device */
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struct dz_linestate *dzms_ls;
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int sc_enabled; /* input enabled? */
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int self_test;
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int inputstate;
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u_int buttons;
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signed char dx;
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signed char dy;
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struct device *sc_wsmousedev;
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};
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static int dzms_match __P((struct device *, struct cfdata *, void *));
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static void dzms_attach __P((struct device *, struct device *, void *));
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static int dzms_input __P((void *, int));
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struct cfattach dzms_ca = {
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sizeof(struct dzms_softc), dzms_match, dzms_attach,
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};
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static int dzms_enable __P((void *));
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static int dzms_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
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static void dzms_disable __P((void *));
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const struct wsmouse_accessops dzms_accessops = {
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dzms_enable,
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dzms_ioctl,
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dzms_disable,
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};
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static int
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dzms_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct dzkm_attach_args *daa = aux;
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/* Exact match is better than wildcard. */
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if (cf->cf_loc[DZCF_LINE] == daa->daa_line)
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return 2;
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/* This driver accepts wildcard. */
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if (cf->cf_loc[DZCF_LINE] == DZCF_LINE_DEFAULT)
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return 1;
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return 0;
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}
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static void
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dzms_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct dz_softc *dz = (void *)parent;
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struct dzms_softc *dzms = (void *)self;
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struct dzkm_attach_args *daa = aux;
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struct dz_linestate *ls;
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struct wsmousedev_attach_args a;
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dz->sc_dz[daa->daa_line].dz_catch = dzms_input;
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dz->sc_dz[daa->daa_line].dz_private = dzms;
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ls = &dz->sc_dz[daa->daa_line];
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dzms->dzms_ls = ls;
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printf("\n");
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a.accessops = &dzms_accessops;
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a.accesscookie = dzms;
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dzms->sc_enabled = 0;
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dzms->self_test = 0;
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dzms->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
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}
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static int
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dzms_enable(v)
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void *v;
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{
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struct dzms_softc *sc = v;
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if (sc->sc_enabled)
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return EBUSY;
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/* XXX mice presence test should be done in match/attach context XXX */
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sc->self_test = 1;
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dzputc(sc->dzms_ls, MOUSE_SELF_TEST);
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DELAY(100000);
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if (sc->self_test < 0) {
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sc->self_test = 0;
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return EBUSY;
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} else if (sc->self_test == 5) {
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sc->self_test = 0;
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sc->sc_enabled = 1;
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}
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sc->inputstate = 0;
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dzputc(sc->dzms_ls, MOUSE_INCREMENTAL);
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return 0;
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}
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static void
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dzms_disable(v)
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void *v;
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{
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struct dzms_softc *sc = v;
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sc->sc_enabled = 0;
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}
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static int
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dzms_ioctl(v, cmd, data, flag, p)
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void *v;
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u_long cmd;
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caddr_t data;
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int flag;
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struct proc *p;
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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 -1;
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}
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static int
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dzms_input(vsc, data)
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void *vsc;
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int data;
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{
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struct dzms_softc *sc = vsc;
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/* XXX mice presence test should be done in match/attach context XXX */
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if (!sc->sc_enabled) {
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if (sc->self_test > 0) {
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if (data < 0) {
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printf("Timeout on 1st byte of mouse self-test report\n");
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sc->self_test = -1;
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} else {
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sc->self_test++;
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}
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}
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if (sc->self_test == 3) {
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if ((data & 0x0f) != 0x2) {
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printf("We don't have a mouse!!!\n");
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sc->self_test = -1;
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}
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}
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/* Interrupts are not expected. Discard the byte. */
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return(1);
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}
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#define WSMS_BUTTON1 0x01
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#define WSMS_BUTTON2 0x02
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#define WSMS_BUTTON3 0x04
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if ((data & MOUSE_START_FRAME) != 0)
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sc->inputstate = 1;
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else
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sc->inputstate++;
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if (sc->inputstate == 1) {
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sc->buttons = 0;
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if ((data & LEFT_BUTTON) != 0)
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sc->buttons |= WSMS_BUTTON1;
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if ((data & MIDDLE_BUTTON) != 0)
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sc->buttons |= WSMS_BUTTON2;
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if ((data & RIGHT_BUTTON) != 0)
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sc->buttons |= WSMS_BUTTON3;
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sc->dx = data & MOUSE_X_SIGN;
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sc->dy = data & MOUSE_Y_SIGN;
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} else if (sc->inputstate == 2) {
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if (sc->dx == 0)
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sc->dx = -data;
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else
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sc->dx = data;
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} else if (sc->inputstate == 3) {
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sc->inputstate = 0;
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if (sc->dy == 0)
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sc->dy = -data;
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else
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sc->dy = data;
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wsmouse_input(sc->sc_wsmousedev, sc->buttons,
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sc->dx, sc->dy, 0, WSMOUSE_INPUT_DELTA);
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}
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return(1);
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}
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