NetBSD/sys/dev/sun/sunms.c

290 lines
6.6 KiB
C

/* $NetBSD: sunms.c,v 1.27 2007/07/09 21:01:23 ad 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
*/
/*
* Mouse driver (/dev/mouse)
*/
/*
* Zilog Z8530 Dual UART driver (mouse interface)
*
* This is the "slave" driver that will be attached to
* the "zsc" driver for a Sun mouse.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sunms.c,v 1.27 2007/07/09 21:01:23 ad Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/signal.h>
#include <sys/signalvar.h>
#include <sys/time.h>
#include <sys/select.h>
#include <sys/syslog.h>
#include <sys/fcntl.h>
#include <sys/tty.h>
#include <machine/vuid_event.h>
#include <dev/sun/event_var.h>
#include <dev/sun/msvar.h>
#include <dev/sun/kbd_ms_ttyvar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsmousevar.h>
#include "ms.h"
#include "wsmouse.h"
#if NMS > 0
#ifdef SUN_MS_BPS
int sunms_bps = SUN_MS_BPS;
#else
int sunms_bps = MS_DEFAULT_BPS;
#endif
static int sunms_match(struct device *, struct cfdata *, void *);
static void sunms_attach(struct device *, struct device *, void *);
static int sunmsiopen(struct device *, int mode);
int sunmsinput(int, struct tty *);
CFATTACH_DECL(ms_tty, sizeof(struct ms_softc),
sunms_match, sunms_attach, NULL, NULL);
struct linesw sunms_disc = {
.l_name = "sunms",
.l_open = ttylopen,
.l_close = ttylclose,
.l_read = ttyerrio,
.l_write = ttyerrio,
.l_ioctl = ttynullioctl,
.l_rint = sunmsinput,
.l_start = ttstart,
.l_modem = nullmodem,
.l_poll = ttpoll
};
int sunms_enable(void *);
int sunms_ioctl(void *, u_long, void *, int, struct lwp *);
void sunms_disable(void *);
const struct wsmouse_accessops sunms_accessops = {
sunms_enable,
sunms_ioctl,
sunms_disable,
};
/*
* ms_match: how is this zs channel configured?
*/
int
sunms_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct kbd_ms_tty_attach_args *args = aux;
if (sunms_bps == 0)
return 0;
if (strcmp(args->kmta_name, "mouse") == 0)
return (1);
return 0;
}
void
sunms_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ms_softc *ms = device_private(self);
struct kbd_ms_tty_attach_args *args = aux;
struct cfdata *cf;
struct tty *tp = args->kmta_tp;
int ms_unit;
#if NWSMOUSE > 0
struct wsmousedev_attach_args a;
#endif
cf = device_cfdata(&ms->ms_dev);
ms_unit = device_unit(&ms->ms_dev);
tp->t_sc = ms;
tp->t_dev = args->kmta_dev;
ms->ms_cs = (struct zs_chanstate *)tp;
ms->ms_deviopen = sunmsiopen;
ms->ms_deviclose = NULL;
printf("\n");
/* Initialize the speed, etc. */
if (ttyldisc_attach(&sunms_disc) != 0)
panic("sunms_attach: sunms_disc");
ttyldisc_release(tp->t_linesw);
tp->t_linesw = ttyldisc_lookup(sunms_disc.l_name);
KASSERT(tp->t_linesw == &sunms_disc);
tp->t_oflag &= ~OPOST;
/* Initialize translator. */
ms->ms_byteno = -1;
#if NWSMOUSE > 0
/*
* attach wsmouse
*/
a.accessops = &sunms_accessops;
a.accesscookie = ms;
ms->ms_wsmousedev = config_found(self, &a, wsmousedevprint);
#endif
}
/*
* Internal open routine. This really should be inside com.c
* But I'm putting it here until we have a generic internal open
* mechanism.
*/
int
sunmsiopen(dev, flags)
struct device *dev;
int flags;
{
struct ms_softc *ms = (void *) dev;
struct tty *tp = (struct tty *)ms->ms_cs;
struct lwp *l = curlwp ? curlwp : &lwp0;
struct termios t;
int error;
/* Open the lower device */
if ((error = cdev_open(tp->t_dev, O_NONBLOCK|flags,
0/* ignored? */, l)) != 0)
return (error);
/* Now configure it for the console. */
tp->t_ospeed = 0;
t.c_ispeed = sunms_bps;
t.c_ospeed = sunms_bps;
t.c_cflag = CLOCAL|CS8;
(*tp->t_param)(tp, &t);
return (0);
}
int
sunmsinput(c, tp)
int c;
struct tty *tp;
{
struct ms_softc *ms = (struct ms_softc *)tp->t_sc;
if (c & TTY_ERRORMASK) c = -1;
else c &= TTY_CHARMASK;
/* Pass this up to the "middle" layer. */
ms_input(ms, c);
return (0);
}
int
sunms_ioctl(v, cmd, data, flag, l)
void *v;
u_long cmd;
void *data;
int flag;
struct lwp *l;
{
/* struct ms_softc *sc = v; */
switch (cmd) {
case WSMOUSEIO_GTYPE:
*(u_int *)data = WSMOUSE_TYPE_PS2; /* XXX */
break;
default:
return (EPASSTHROUGH);
}
return (0);
}
int
sunms_enable(v)
void *v;
{
struct ms_softc *ms = v;
int err;
int s;
if (ms->ms_ready)
return EBUSY;
err = sunmsiopen(v, 0);
if (err)
return err;
s = spltty();
ms->ms_ready = 2;
splx(s);
return 0;
}
void
sunms_disable(v)
void *v;
{
struct ms_softc *ms = v;
int s;
s = spltty();
ms->ms_ready = 0;
splx(s);
}
#endif