NetBSD/sys/dev/sun/sunms.c

204 lines
5.5 KiB
C

/* $NetBSD: sunms.c,v 1.5 2001/11/13 06:54:32 lukem 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. 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, Berkeley and its contributors.
* 4. 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 1.5 2001/11/13 06:54:32 lukem 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 <sys/tty.h>
#include <dev/sun/event_var.h>
#include <dev/sun/msvar.h>
#include <dev/sun/kbd_ms_ttyvar.h>
#include "ms.h"
#if NMS > 0
int sunms_bps = MS_BPS;
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 *);
struct cfattach ms_ca = {
sizeof(struct ms_softc), sunms_match, sunms_attach
};
struct linesw sunms_disc =
{ "sunms", 8, ttylopen, ttylclose, ttyerrio, ttyerrio, nullioctl,
sunmsinput, ttstart, nullmodem, ttpoll }; /* 8- SUNMOUSEDISC */
/*
* 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 = (void *) self;
struct kbd_ms_tty_attach_args *args = aux;
struct cfdata *cf;
struct tty *tp = args->kmta_tp;
int ms_unit;
cf = ms->ms_dev.dv_cfdata;
ms_unit = ms->ms_dev.dv_unit;
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_add(&sunms_disc, -1) == -1)
panic("sunms_attach: sunms_disc");
tp->t_linesw = &sunms_disc;
tp->t_oflag &= ~OPOST;
/* Initialize translator. */
ms->ms_byteno = -1;
}
/*
* 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 proc *p = curproc;
struct termios t;
int maj;
int error;
maj = major(tp->t_dev);
if (p == NULL)
p = &proc0;
/* Open the lower device */
if ((error = (*cdevsw[maj].d_open)(tp->t_dev, O_NONBLOCK|flags,
0/* ignored? */, p)) != 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;
(*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);
}
#endif