735 lines
15 KiB
C
735 lines
15 KiB
C
/*
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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 code is derived from software contributed to Berkeley by
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* Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
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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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* from: $Hdr: ms.c,v 4.300 91/06/09 06:22:04 root Rel41 $ SONY
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*
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* @(#)ms.c 8.1 (Berkeley) 6/11/93
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*/
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#include "ms.h"
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#if NMS > 0
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/*
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* mouse
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*/
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#include <sys/types.h>
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#include <machine/cpu.h>
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/user.h>
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#include <sys/buf.h>
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#include <sys/malloc.h>
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#include <sys/systm.h>
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#include <sys/uio.h>
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#include <sys/kernel.h>
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#include <sys/file.h>
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#include <sys/device.h>
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#include <machine/mouse.h>
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#include <machine/autoconf.h>
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#include <newsmips/dev/msreg.h>
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#include <newsmips/dev/scc.h>
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#ifndef mips
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#define volatile
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#endif
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static struct ms_stat ms_stat[NMS];
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#define hb_device ms_softc
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struct ms_softc {
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struct device sc_dev;
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};
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static int msmatch __P((struct device *, struct cfdata *, void *));
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static void msattach __P((struct device *, struct device *, void *));
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struct cfattach ms_ca = {
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sizeof(struct ms_softc), msmatch, msattach
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};
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extern struct cfdriver ms_cd;
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static void msq_init __P((int));
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static int msq_stat __P((int));
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static struct ms_event * msq_read __P((int));
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static struct ms_event * msq_write __P((int));
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static void msq_flush __P((int, char));
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static void msselwakeup __P((struct ms_stat *));
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void mssint __P((void));
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static int msputevent __P((int, int, int, int));
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static void msconv __P((int, char[]));
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static void mscheckevent __P((int));
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extern void kbm_open(int);
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extern void kbm_close(int);
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extern void lock_bitmap();
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extern void updateCursor();
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extern void unlock_bitmap();
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extern void selwakeup();
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extern int xgetc();
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extern int tty00_is_console;
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#ifdef news3400
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#define splms cpu_spl2 /* Lite2 used spl4 */
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#else
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#define splms spl5
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#endif
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static int
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msmatch(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 confargs *ca = aux;
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if (strcmp(ca->ca_name, "ms"))
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return 0;
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return 1;
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}
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static void
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msattach(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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printf("\n");
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}
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/* queue structure operators */
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static void
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msq_init(unit)
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int unit;
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{
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register volatile struct ms_queue *q = ms_stat[unit].mss_queue;
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q->mq_head = q->mq_tail = 0;
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}
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static int
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msq_stat(unit)
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int unit;
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{
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register volatile struct ms_queue *q = ms_stat[unit].mss_queue;
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while (q->mq_head != q->mq_tail) {
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if (!q->mq_queue[q->mq_head].mse_inval)
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break;
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q->mq_head = ++q->mq_head % MS_MAXREPORT;
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}
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return (q->mq_head != q->mq_tail);
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}
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static struct ms_event *
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msq_read(unit)
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int unit;
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{
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register /*volatile*/ struct ms_queue *q = ms_stat[unit].mss_queue;
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register struct ms_event *data;
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while (q->mq_head != q->mq_tail && q->mq_queue[q->mq_head].mse_inval)
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q->mq_head = ++q->mq_head % MS_MAXREPORT;
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if (q->mq_head == q->mq_tail) {
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data = NULL;
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} else {
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data = q->mq_queue + q->mq_head++;
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q->mq_head %= MS_MAXREPORT;
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}
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return (data);
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}
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static struct ms_event *
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msq_write(unit)
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int unit;
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{
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register /*volatile*/ struct ms_queue *q = ms_stat[unit].mss_queue;
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register struct ms_event *data = q->mq_queue + q->mq_tail;
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register int new;
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/* if queue is full, newest data is gone away */
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new = (q->mq_tail + 1) % MS_MAXREPORT;
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if (new != q->mq_head)
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q->mq_tail = new;
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return (data);
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}
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static void
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msq_flush(unit, trig)
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int unit;
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char trig;
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{
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register volatile struct ms_queue *q = ms_stat[unit].mss_queue;
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register int i;
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i = q->mq_head;
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while (i != q->mq_tail) {
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if (q->mq_queue[i].mse_trig == trig)
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q->mq_queue[i].mse_inval = -1;
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i = ++i % MS_MAXREPORT;
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}
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}
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/*
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* Mouse open function.
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*/
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int
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msopen(dev, flag, mode, p)
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dev_t dev;
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int flag, mode;
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struct proc *p;
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{
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register int unit = MSUNIT(dev);
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register struct ms_stat *ms = &ms_stat[unit];
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register struct hb_device *ii;
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/* check device */
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if (unit < 0 || unit >= NMS)
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return(ENXIO);
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ii = ms_cd.cd_devs[unit];
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/* check duplicable open */
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if (ms->mss_stat & MS_ACTIVE)
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return(EBUSY);
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ms->mss_queue = malloc(sizeof(struct ms_queue), M_DEVBUF, M_WAITOK);
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if (ms->mss_queue == NULL)
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return (ENOMEM);
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msq_init(unit);
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ms->mss_mode = flag;
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ms->mss_stat = MS_ACTIVE;
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/* communicate to IOP .. clear event mask, set initial xy. */
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ms->mss_eventmask = 0;
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ms->mss_data.md_sw = 0; /* XXX */
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ms->mss_data.md_x = 0;
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ms->mss_data.md_y = 0;
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ms->mss_param.mp_delta = 5;
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ms->mss_param.mp_mag = 3;
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ms->mss_range.mr_min.mc_x = 0x80000000;
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ms->mss_range.mr_min.mc_y = 0x80000000;
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ms->mss_range.mr_max.mc_x = 0x7fffffff;
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ms->mss_range.mr_max.mc_y = 0x7fffffff;
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if (p->p_pgrp->pg_id == 0) {
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if (ms->mss_pgrp == 0)
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ms->mss_pgrp = p->p_pid;
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p->p_pgrp->pg_id = ms->mss_pgrp;
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}
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if (tty00_is_console)
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kbm_open(SCC_KEYBOARD);
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kbm_open(SCC_MOUSE);
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return (0);
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}
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/*
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* Mouse close function.
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*/
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/*ARGSUSED*/
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int
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msclose(dev, flag)
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dev_t dev;
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int flag;
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{
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int unit = MSUNIT(dev);
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register struct ms_stat *ms = &ms_stat[unit];
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register struct hb_device *ii;
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ii = ms_cd.cd_devs[0]; /* XXX-wapiko */
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/* check unit no. */
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if (unit < 0 || unit >= NMS || ii == NULL)
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return ENXIO;
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/* check status */
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if (!(ms->mss_stat & MS_ACTIVE))
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return ENXIO;
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/* clear eventmask and status */
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ms->mss_stat = 0;
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ms->mss_eventmask = 0;
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free(ms->mss_queue, M_DEVBUF);
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ms->mss_pgrp = 0;
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if (tty00_is_console)
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kbm_close(SCC_KEYBOARD);
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kbm_close(SCC_MOUSE);
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return (0);
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}
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/*
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* Mouse read function.
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*/
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int
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msread(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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register int unit = MSUNIT(dev);
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register struct ms_stat *ms = &ms_stat[unit];
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register struct hb_device *ii;
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register volatile struct ms_event *data;
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struct ms_data xy;
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int s, error;
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ii = ms_cd.cd_devs[0]; /* XXX-wapiko */
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/* check argument */
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if (unit < 0 || unit >= NMS || ii == NULL)
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return ENXIO;
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/* event mode -> waiting */
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if (ms->mss_eventmask & MS_EMEVENT) {
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s = splms();
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if (msq_stat(unit) == 0 && (ms->mss_stat & MS_NBIO)) {
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splx(s);
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return (EWOULDBLOCK);
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}
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while (msq_stat(unit) == 0) {
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ms->mss_stat |= MS_EVWAIT;
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error = tsleep(ms, MSPRI | PCATCH, "mouse", 0);
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ms->mss_stat &= ~MS_EVWAIT;
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if (error) {
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splx(s);
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return error;
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}
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}
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splx(s);
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if(MSOLDIF(dev)) {
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while ((data = msq_read(unit)) != NULL &&
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uio->uio_resid >= sizeof(struct ms_data)) {
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error = uiomove((caddr_t)&data->mse_data,
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sizeof(struct ms_data), uio);
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if (error)
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return error;
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}
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} else {
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while ((data = msq_read(unit)) != NULL &&
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uio->uio_resid >= sizeof(struct ms_event)) {
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error = uiomove((caddr_t)data,
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sizeof(struct ms_event), uio);
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if (error)
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return error;
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}
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}
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} else {
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while (uio->uio_resid >= sizeof(struct ms_data)) {
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s = splms();
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xy = ms->mss_data;
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splx(s);
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error = uiomove((caddr_t)&xy,
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sizeof(struct ms_data), uio);
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if (error)
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return error;
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}
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}
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return 0;
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}
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/*
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* Mouse write function
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*/
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int
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mswrite(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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register int unit = MSUNIT(dev);
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register struct ms_stat *ms = &ms_stat[unit];
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register struct hb_device *ii;
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struct ms_coord xy;
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register int s, error;
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ii = ms_cd.cd_devs[0]; /* XXX-wapiko */
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/* check argument */
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if (unit < 0 || unit >= NMS || ii == NULL)
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return ENXIO;
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while (uio->uio_resid >= sizeof(struct ms_coord)) {
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error = uiomove((caddr_t)&xy, sizeof(xy), uio);
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if (error)
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return error;
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s = splms();
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ms->mss_data.md_x = xy.mc_x;
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ms->mss_data.md_y = xy.mc_y;
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splx(s);
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lock_bitmap();
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updateCursor(&ms->mss_data.md_x, &ms->mss_data.md_y, 1);
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unlock_bitmap();
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}
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return 0;
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}
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/*
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* Mouse I/O control function
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*/
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/*ARGSUSED*/
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int
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msioctl(dev, cmd, data, flag, p)
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dev_t dev;
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int 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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register int unit = MSUNIT(dev);
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register struct ms_stat *ms = &ms_stat[unit];
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register struct hb_device *ii;
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register int s;
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ii = ms_cd.cd_devs[0]; /* XXX-wapiko */
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if (unit < 0 || unit >= NMS || ii == NULL)
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return EIO;
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s = splms();
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switch (cmd) {
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case MSIOCGETEM:
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(*(int*)data) = ms->mss_eventmask;
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break;
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case MSIOCSETEM:
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ms->mss_eventmask = *(int *)data;
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break;
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case MSIOCSETXY:
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ms->mss_data.md_x = ((struct ms_coord*)data)->mc_x;
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ms->mss_data.md_y = ((struct ms_coord*)data)->mc_y;
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lock_bitmap();
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updateCursor(&ms->mss_data.md_x, &ms->mss_data.md_y, 1);
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unlock_bitmap();
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msq_flush(unit, MSE_MOTION);
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break;
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case MSIOCFLUSH:
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msq_init(unit);
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break;
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case MSIOCSETPARAM:
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ms->mss_param = *(struct ms_param*)data;
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break;
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case MSIOCSETRANGE:
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ms->mss_range = *(struct ms_range*)data;
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break;
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case FIONBIO:
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if (*(int *)data)
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ms->mss_stat |= MS_NBIO;
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else
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ms->mss_stat &= ~MS_NBIO;
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break;
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case FIOASYNC:
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if (*(int *)data)
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ms->mss_stat |= MS_ASYNC;
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else
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ms->mss_stat &= ~MS_ASYNC;
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break;
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case TIOCSPGRP:
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ms->mss_pgrp = *(int *)data;
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break;
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case TIOCGPGRP:
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*(int *)data = ms->mss_pgrp;
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break;
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default:
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splx(s);
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return ENOTTY;
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}
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splx(s);
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return 0;
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}
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int
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mspoll(dev, flag, p)
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dev_t dev;
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int flag;
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struct proc *p;
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{
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register int unit = MSUNIT(dev);
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register struct ms_stat *ms;
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int s;
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if (unit < 0 || unit >= NMS)
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return(0);
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s = splms();
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ms = &ms_stat[unit];
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switch(flag) {
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case FREAD:
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if (!(ms->mss_eventmask & MS_EMEVENT))
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goto win;
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if(msq_stat(unit))
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goto win;
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if (ms->mss_rsel && ms->mss_rsel->p_wchan == (caddr_t)&selwait)
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ms->mss_stat |= MS_RCOLL;
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else
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ms->mss_rsel = p;
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break;
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case FWRITE:
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goto win;
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}
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splx(s);
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return(0);
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win:
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splx(s);
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return(1);
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}
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static void
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msselwakeup(ms)
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register struct ms_stat *ms;
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{
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if (ms->mss_rsel) {
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selwakeup(ms->mss_rsel);
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ms->mss_stat &= ~MS_RCOLL;
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ms->mss_rsel = 0;
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}
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if (ms->mss_stat & MS_ASYNC)
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gsignal(ms->mss_pgrp, SIGIO);
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}
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void
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mssint()
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{
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printf("mssint\n");
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}
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static int
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msputevent(unit, trig, dir, code)
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int unit, trig, dir, code;
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{
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register struct ms_stat *ms = &ms_stat[unit];
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register volatile struct ms_event *me;
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register int s;
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me = msq_write(unit);
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s = splclock();
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me->mse_time = time;
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me->mse_inval = 0;
|
|
splx(s);
|
|
|
|
me->mse_trig = trig;
|
|
me->mse_dir = dir;
|
|
me->mse_code = code;
|
|
me->mse_data = ms->mss_data;
|
|
|
|
if (ms->mss_stat & MS_EVWAIT)
|
|
wakeup(ms);
|
|
|
|
msselwakeup(ms);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* for keyboard
|
|
*/
|
|
int
|
|
mskeytrigger(unit, up, keycode)
|
|
int unit;
|
|
int up;
|
|
int keycode;
|
|
{
|
|
register struct ms_stat *ms = &ms_stat[unit];
|
|
|
|
if((ms->mss_eventmask & MS_EMEVENT) == 0)
|
|
return 0;
|
|
if((ms->mss_eventmask & MS_EMKEY) == 0)
|
|
return 0;
|
|
|
|
(void) msputevent(unit, MSE_KEY, up ? MSE_UP : MSE_DOWN, keycode);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* msconv - convert mouse hardware reports(3 bytes) into internal mouse data
|
|
* it leaves the old mouse data in ms_data_old and
|
|
* new mouse data in ms_data.
|
|
*/
|
|
static void
|
|
msconv(unit, rep)
|
|
int unit;
|
|
register char rep[];
|
|
{
|
|
register struct ms_stat *ms = &ms_stat[unit];
|
|
register int s_byte;
|
|
register int sw = 0;
|
|
register int dx, dy;
|
|
int adx, ady;
|
|
|
|
ms->mss_data_old = ms->mss_data;
|
|
|
|
/* switch status */
|
|
s_byte = rep[MS_S_BYTE];
|
|
if (s_byte & MS_S_SW1)
|
|
sw |= MS_BUTNL;
|
|
if (s_byte & MS_S_SW2)
|
|
sw |= MS_BUTNR;
|
|
if (s_byte & MS_S_SW3)
|
|
sw |= MS_BUTNM;
|
|
ms->mss_data.md_sw = sw;
|
|
|
|
/* delta x */
|
|
dx = rep[MS_X_BYTE] & MS_X_X06;
|
|
if (s_byte & MS_S_X7)
|
|
dx = (~0&~MS_X_X06)|dx;
|
|
|
|
dy = rep[MS_Y_BYTE] & MS_Y_Y06;
|
|
if (s_byte & MS_S_Y7)
|
|
dy = (~0&~MS_Y_Y06)|dy;
|
|
|
|
#define ABS(x) ((x)>=0 ? (x) : -(x))
|
|
adx = ABS(dx);
|
|
ady = ABS(dy);
|
|
#undef ABS
|
|
|
|
if (adx > ms->mss_param.mp_delta) {
|
|
adx = ms->mss_param.mp_delta +
|
|
(adx - ms->mss_param.mp_delta) * ms->mss_param.mp_mag;
|
|
if (dx < 0)
|
|
dx = -adx;
|
|
else
|
|
dx = adx;
|
|
}
|
|
if (ady > ms->mss_param.mp_delta) {
|
|
ady = ms->mss_param.mp_delta +
|
|
(ady - ms->mss_param.mp_delta) * ms->mss_param.mp_mag;
|
|
if (dy < 0)
|
|
dy = -ady;
|
|
else
|
|
dy = ady;
|
|
}
|
|
ms->mss_data.md_x += dx;
|
|
ms->mss_data.md_y += dy;
|
|
|
|
if (dx > 0)
|
|
ms->mss_data.md_x = imin(ms->mss_data.md_x,
|
|
ms->mss_range.mr_max.mc_x);
|
|
else
|
|
ms->mss_data.md_x = imax(ms->mss_data.md_x,
|
|
ms->mss_range.mr_min.mc_x);
|
|
if (dy > 0)
|
|
ms->mss_data.md_y = imin(ms->mss_data.md_y,
|
|
ms->mss_range.mr_max.mc_y);
|
|
else
|
|
ms->mss_data.md_y = imax(ms->mss_data.md_y,
|
|
ms->mss_range.mr_min.mc_y);
|
|
|
|
if (dx != 0 || dy != 0)
|
|
updateCursor(&ms->mss_data.md_x, &ms->mss_data.md_y, 0);
|
|
}
|
|
|
|
static void
|
|
mscheckevent(unit)
|
|
int unit;
|
|
{
|
|
register struct ms_stat *ms = &ms_stat[unit];
|
|
register int i;
|
|
register int changebits;
|
|
register int dir;
|
|
|
|
if ((ms->mss_eventmask & MS_EMEVENT) == 0)
|
|
return;
|
|
|
|
if (ms->mss_data_old.md_sw != ms->mss_data.md_sw) {
|
|
|
|
changebits = (ms->mss_data_old.md_sw ^ ms->mss_data.md_sw);
|
|
changebits &= ms->mss_eventmask;
|
|
|
|
for(i = 0; i < 3; i++) {
|
|
if(changebits & (1 << i)) {
|
|
if((1 << i) & ms->mss_data.md_sw)
|
|
dir = MSE_DOWN;
|
|
else
|
|
dir = MSE_UP;
|
|
msputevent(unit, MSE_BUTTON, dir, i);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((ms->mss_eventmask & MS_EMMOTION) &&
|
|
(ms->mss_data_old.md_x != ms->mss_data.md_x ||
|
|
ms->mss_data_old.md_y != ms->mss_data.md_y)) {
|
|
msputevent(unit, MSE_MOTION, 0, 0);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* _ms_helper - open the mouse line and read mouse data and
|
|
* convert them into mouse data (events)
|
|
*/
|
|
void
|
|
_ms_helper(unit)
|
|
int unit;
|
|
{
|
|
register int c;
|
|
static int counter = 0;
|
|
static char buf[MS_DB_SIZE];
|
|
|
|
#ifdef notyet /* KU:XXX */
|
|
intrcnt[INTR_MOUSE]++;
|
|
#endif
|
|
|
|
#if NBM > 0
|
|
rst_dimmer_cnt();
|
|
#endif
|
|
|
|
while ((c = xgetc(SCC_MOUSE)) >= 0) {
|
|
if (c & MS_S_MARK)
|
|
counter = 0;
|
|
buf[counter] = c;
|
|
if (++counter == 3) {
|
|
msconv(unit, buf);
|
|
mscheckevent(unit);
|
|
counter = 0;
|
|
}
|
|
}
|
|
}
|
|
#endif /* NMS > 0 */
|