296 lines
6.7 KiB
C
296 lines
6.7 KiB
C
/* $NetBSD: sunms.c,v 1.24 2006/03/30 16:12:10 thorpej 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. 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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* Mouse driver (/dev/mouse)
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*/
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/*
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* Zilog Z8530 Dual UART driver (mouse interface)
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*
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* This is the "slave" driver that will be attached to
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* the "zsc" driver for a Sun mouse.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: sunms.c,v 1.24 2006/03/30 16:12:10 thorpej Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/ioctl.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#include <sys/signal.h>
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#include <sys/signalvar.h>
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#include <sys/time.h>
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#include <sys/select.h>
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#include <sys/syslog.h>
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#include <sys/fcntl.h>
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#include <sys/tty.h>
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#include <machine/vuid_event.h>
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#include <sys/tty.h>
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#include <dev/sun/event_var.h>
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#include <dev/sun/msvar.h>
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#include <dev/sun/kbd_ms_ttyvar.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsmousevar.h>
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#include "ms.h"
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#include "wsmouse.h"
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#if NMS > 0
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#ifdef SUN_MS_BPS
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int sunms_bps = SUN_MS_BPS;
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#else
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int sunms_bps = MS_DEFAULT_BPS;
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#endif
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static int sunms_match(struct device *, struct cfdata *, void *);
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static void sunms_attach(struct device *, struct device *, void *);
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static int sunmsiopen(struct device *, int mode);
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int sunmsinput(int, struct tty *);
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CFATTACH_DECL(ms_tty, sizeof(struct ms_softc),
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sunms_match, sunms_attach, NULL, NULL);
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struct linesw sunms_disc = {
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.l_name = "sunms",
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.l_open = ttylopen,
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.l_close = ttylclose,
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.l_read = ttyerrio,
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.l_write = ttyerrio,
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.l_ioctl = ttynullioctl,
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.l_rint = sunmsinput,
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.l_start = ttstart,
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.l_modem = nullmodem,
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.l_poll = ttpoll
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};
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int sunms_enable(void *);
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int sunms_ioctl(void *, u_long, caddr_t, int, struct lwp *);
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void sunms_disable(void *);
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const struct wsmouse_accessops sunms_accessops = {
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sunms_enable,
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sunms_ioctl,
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sunms_disable,
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};
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/*
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* ms_match: how is this zs channel configured?
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*/
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int
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sunms_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 kbd_ms_tty_attach_args *args = aux;
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if (sunms_bps == 0)
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return 0;
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if (strcmp(args->kmta_name, "mouse") == 0)
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return (1);
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return 0;
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}
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void
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sunms_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 ms_softc *ms = device_private(self);
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struct kbd_ms_tty_attach_args *args = aux;
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struct cfdata *cf;
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struct tty *tp = args->kmta_tp;
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int ms_unit;
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#if NWSMOUSE > 0
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struct wsmousedev_attach_args a;
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#endif
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cf = device_cfdata(&ms->ms_dev);
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ms_unit = device_unit(&ms->ms_dev);
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tp->t_sc = ms;
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tp->t_dev = args->kmta_dev;
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ms->ms_cs = (struct zs_chanstate *)tp;
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ms->ms_deviopen = sunmsiopen;
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ms->ms_deviclose = NULL;
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printf("\n");
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/* Initialize the speed, etc. */
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if (ttyldisc_attach(&sunms_disc) != 0)
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panic("sunms_attach: sunms_disc");
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ttyldisc_release(tp->t_linesw);
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tp->t_linesw = ttyldisc_lookup(sunms_disc.l_name);
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KASSERT(tp->t_linesw == &sunms_disc);
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tp->t_oflag &= ~OPOST;
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/* Initialize translator. */
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ms->ms_byteno = -1;
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#if NWSMOUSE > 0
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/*
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* attach wsmouse
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*/
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a.accessops = &sunms_accessops;
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a.accesscookie = ms;
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ms->ms_wsmousedev = config_found(self, &a, wsmousedevprint);
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#endif
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}
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/*
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* Internal open routine. This really should be inside com.c
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* But I'm putting it here until we have a generic internal open
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* mechanism.
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*/
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int
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sunmsiopen(dev, flags)
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struct device *dev;
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int flags;
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{
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struct ms_softc *ms = (void *) dev;
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struct tty *tp = (struct tty *)ms->ms_cs;
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struct lwp *l = curlwp ? curlwp : &lwp0;
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struct termios t;
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const struct cdevsw *cdev;
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int error;
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cdev = cdevsw_lookup(tp->t_dev);
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if (cdev == NULL)
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return (ENXIO);
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/* Open the lower device */
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if ((error = (*cdev->d_open)(tp->t_dev, O_NONBLOCK|flags,
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0/* ignored? */, l)) != 0)
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return (error);
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/* Now configure it for the console. */
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tp->t_ospeed = 0;
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t.c_ispeed = sunms_bps;
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t.c_ospeed = sunms_bps;
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t.c_cflag = CLOCAL|CS8;
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(*tp->t_param)(tp, &t);
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return (0);
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}
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int
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sunmsinput(c, tp)
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int c;
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struct tty *tp;
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{
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struct ms_softc *ms = (struct ms_softc *)tp->t_sc;
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if (c & TTY_ERRORMASK) c = -1;
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else c &= TTY_CHARMASK;
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/* Pass this up to the "middle" layer. */
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ms_input(ms, c);
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return (0);
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}
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int
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sunms_ioctl(v, cmd, data, flag, l)
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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 lwp *l;
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{
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/* struct ms_softc *sc = v; */
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switch (cmd) {
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case WSMOUSEIO_GTYPE:
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*(u_int *)data = WSMOUSE_TYPE_PS2; /* XXX */
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break;
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default:
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return (EPASSTHROUGH);
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}
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return (0);
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}
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int
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sunms_enable(v)
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void *v;
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{
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struct ms_softc *ms = v;
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int err;
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int s;
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if (ms->ms_ready)
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return EBUSY;
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err = sunmsiopen(v, 0);
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if (err)
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return err;
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s = spltty();
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ms->ms_ready = 2;
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splx(s);
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return 0;
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}
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void
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sunms_disable(v)
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void *v;
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{
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struct ms_softc *ms = v;
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int s;
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s = spltty();
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ms->ms_ready = 0;
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splx(s);
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}
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#endif
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