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/* $OpenBSD: dzms.c,v 1.3 2003/06/02 23:27:57 millert 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 <machine/bus.h>
#include "../qbus/dzreg.h"
#include "../qbus/dzvar.h"
#include "../dec/dzkbdvar.h"
#include "../dec/lk201.h"
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsmousevar.h>
struct dzms_softc { /* driver status information */
struct device dzms_dev; /* required first: base device */
struct dz_linestate *dzms_ls;
int sc_enabled; /* input enabled? */
int self_test;
int inputstate;
u_int buttons;
signed char dx;
signed char dy;
struct device *sc_wsmousedev;
};
static int dzms_match(struct device *, struct cfdata *, void *);
static void dzms_attach(struct device *, struct device *, void *);
static int dzms_input(void *, int);
struct cfattach dzms_ca = {
sizeof(struct dzms_softc), (cfmatch_t)dzms_match, dzms_attach,
};
struct cfdriver lkms_cd = {
NULL, "lkms", DV_DULL
};
static int dzms_enable(void *);
static int dzms_ioctl(void *, u_long, caddr_t, int, struct proc *);
static void dzms_disable(void *);
const struct wsmouse_accessops dzms_accessops = {
dzms_enable,
dzms_ioctl,
dzms_disable,
};
static int
dzms_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct dzkm_attach_args *daa = aux;
#define DZCF_LINE 0
#define DZCF_LINE_DEFAULT 0
/* 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;
}
static void
dzms_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct dz_softc *dz = (void *)parent;
struct dzms_softc *dzms = (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 = dzms_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;
dzms->sc_enabled = 0;
dzms->self_test = 0;
dzms->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
}
static int
dzms_enable(v)
void *v;
{
struct dzms_softc *sc = v;
if (sc->sc_enabled)
return EBUSY;
/* XXX mice presence test should be done in match/attach context XXX */
sc->self_test = 1;
dzputc(sc->dzms_ls, MOUSE_SELF_TEST);
DELAY(100000);
if (sc->self_test < 0) {
sc->self_test = 0;
return EBUSY;
} else if (sc->self_test == 5) {
sc->self_test = 0;
sc->sc_enabled = 1;
}
sc->inputstate = 0;
dzputc(sc->dzms_ls, MOUSE_INCREMENTAL);
return 0;
}
static void
dzms_disable(v)
void *v;
{
struct dzms_softc *sc = v;
sc->sc_enabled = 0;
}
static int
dzms_ioctl(v, cmd, data, flag, p)
void *v;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
if (cmd == WSMOUSEIO_GTYPE) {
*(u_int *)data = WSMOUSE_TYPE_VSXXX;
return 0;
}
return -1;
}
static int
dzms_input(vsc, data)
void *vsc;
int data;
{
struct dzms_softc *sc = vsc;
/* XXX mice presence test should be done in match/attach context XXX */
if (!sc->sc_enabled) {
if (sc->self_test > 0) {
if (data < 0) {
printf("Timeout on 1st byte of mouse self-test report\n");
sc->self_test = -1;
} else {
sc->self_test++;
}
}
if (sc->self_test == 3) {
if ((data & 0x0f) != 0x2) {
printf("We don't have a mouse!!!\n");
sc->self_test = -1;
}
}
/* Interrupts are not expected. Discard the byte. */
return(1);
}
#define WSMS_BUTTON1 0x01
#define WSMS_BUTTON2 0x02
#define WSMS_BUTTON3 0x04
if ((data & MOUSE_START_FRAME) != 0)
sc->inputstate = 1;
else
sc->inputstate++;
if (sc->inputstate == 1) {
sc->buttons = 0;
if ((data & LEFT_BUTTON) != 0)
sc->buttons |= WSMS_BUTTON1;
if ((data & MIDDLE_BUTTON) != 0)
sc->buttons |= WSMS_BUTTON2;
if ((data & RIGHT_BUTTON) != 0)
sc->buttons |= WSMS_BUTTON3;
sc->dx = data & MOUSE_X_SIGN;
sc->dy = data & MOUSE_Y_SIGN;
} else if (sc->inputstate == 2) {
if (sc->dx == 0)
sc->dx = -data;
else
sc->dx = data;
} else if (sc->inputstate == 3) {
sc->inputstate = 0;
if (sc->dy == 0)
sc->dy = -data;
else
sc->dy = data;
wsmouse_input(sc->sc_wsmousedev, sc->buttons,
sc->dx, sc->dy, 0, WSMOUSE_INPUT_DELTA);
}
return(1);
}
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