414 lines
9.5 KiB
C
414 lines
9.5 KiB
C
/* $NetBSD: ms.c,v 1.5 1996/04/12 08:39:22 leo Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1995 Leo Weppelman.
|
|
* All rights reserved.
|
|
*
|
|
* based on:
|
|
*
|
|
* 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
|
|
*
|
|
* Header: ms.c,v 1.5 92/11/26 01:28:47 torek Exp (LBL)
|
|
*/
|
|
|
|
/*
|
|
* Mouse driver.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/tty.h>
|
|
#include <sys/signalvar.h>
|
|
|
|
#include <machine/msioctl.h>
|
|
#include <atari/dev/event_var.h>
|
|
#include <atari/dev/vuid_event.h>
|
|
#include <atari/dev/kbdvar.h>
|
|
#include <atari/dev/msvar.h>
|
|
|
|
#include "mouse.h"
|
|
#if NMOUSE > 0
|
|
|
|
/* there's really no more physical ports on an atari. */
|
|
#if NMOUSE > 1
|
|
#undef NMOUSE
|
|
#define NMOUSE 1
|
|
#endif
|
|
|
|
typedef void (*FPV) __P((void *));
|
|
|
|
static struct ms_softc ms_softc[NMOUSE];
|
|
|
|
dev_type_open(msopen);
|
|
dev_type_close(msclose);
|
|
dev_type_read(msread);
|
|
dev_type_ioctl(msioctl);
|
|
dev_type_select(msselect);
|
|
|
|
static void ms_3b_delay __P((struct ms_softc *));
|
|
|
|
int
|
|
mouseattach(cnt)
|
|
int cnt;
|
|
{
|
|
printf("1 mouse configured\n");
|
|
ms_softc[0].ms_emul3b = 1;
|
|
return(NMOUSE);
|
|
}
|
|
|
|
static void
|
|
ms_3b_delay(ms)
|
|
struct ms_softc *ms;
|
|
{
|
|
REL_MOUSE rel_ms;
|
|
|
|
rel_ms.id = TIMEOUT_ID;
|
|
rel_ms.dx = rel_ms.dy = 0;
|
|
mouse_soft(&rel_ms, sizeof(rel_ms), KBD_TIMEO_PKG);
|
|
}
|
|
/*
|
|
* Note that we are called from the keyboard software interrupt!
|
|
*/
|
|
void
|
|
mouse_soft(rel_ms, size, type)
|
|
REL_MOUSE *rel_ms;
|
|
int size, type;
|
|
{
|
|
struct ms_softc *ms = &ms_softc[0];
|
|
struct firm_event *fe, *fe2;
|
|
REL_MOUSE fake_mouse;
|
|
int get, put;
|
|
int sps;
|
|
u_char mbut, bmask;
|
|
int flush_buttons;
|
|
|
|
if (ms->ms_events.ev_io == NULL)
|
|
return;
|
|
|
|
switch (type) {
|
|
case KBD_JOY1_PKG:
|
|
/*
|
|
* There are some mice that have their middle button
|
|
* wired to the 'up' bit of joystick 1....
|
|
* Simulate a mouse packet with dx = dy = 0, the middle
|
|
* button state set by UP and the other buttons unchanged.
|
|
* Flush all button changes.
|
|
*/
|
|
flush_buttons = 1;
|
|
fake_mouse.id = (rel_ms->dx & 1 ? 4 : 0) | (ms->ms_buttons & 3);
|
|
fake_mouse.dx = fake_mouse.dy = 0;
|
|
rel_ms = &fake_mouse;
|
|
break;
|
|
case KBD_TIMEO_PKG:
|
|
/*
|
|
* Timeout package. No button changes and no movement.
|
|
* Flush all button changes.
|
|
*/
|
|
flush_buttons = 1;
|
|
fake_mouse.id = ms->ms_buttons;
|
|
fake_mouse.dx = fake_mouse.dy = 0;
|
|
rel_ms = &fake_mouse;
|
|
break;
|
|
case KBD_RMS_PKG:
|
|
/*
|
|
* Normal mouse package. Always copy the middle button
|
|
* status. The emulation code decides if button changes
|
|
* must be flushed.
|
|
*/
|
|
rel_ms->id = (ms->ms_buttons & 4) | (rel_ms->id & 3);
|
|
flush_buttons = (ms->ms_emul3b) ? 0 : 1;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
sps = splev();
|
|
get = ms->ms_events.ev_get;
|
|
put = ms->ms_events.ev_put;
|
|
fe = &ms->ms_events.ev_q[put];
|
|
|
|
if ((type != KBD_TIMEO_PKG) && ms->ms_emul3b && ms->ms_bq_idx)
|
|
untimeout((FPV)ms_3b_delay, (void *)ms);
|
|
|
|
/*
|
|
* Button states are encoded in the lower 3 bits of 'id'
|
|
*/
|
|
if (!(mbut = (rel_ms->id ^ ms->ms_buttons)) && (put != get)) {
|
|
/*
|
|
* Compact dx/dy messages. Always generate an event when
|
|
* a button is pressed or the event queue is empty.
|
|
*/
|
|
ms->ms_dx += rel_ms->dx;
|
|
ms->ms_dy += rel_ms->dy;
|
|
goto out;
|
|
}
|
|
rel_ms->dx += ms->ms_dx;
|
|
rel_ms->dy += ms->ms_dy;
|
|
ms->ms_dx = ms->ms_dy = 0;
|
|
|
|
/*
|
|
* Output location events _before_ button events ie. make sure
|
|
* the button is pressed at the correct location.
|
|
*/
|
|
if (rel_ms->dx) {
|
|
if ((++put) % EV_QSIZE == get) {
|
|
put--;
|
|
goto out;
|
|
}
|
|
fe->id = LOC_X_DELTA;
|
|
fe->value = rel_ms->dx;
|
|
fe->time = time;
|
|
if (put >= EV_QSIZE) {
|
|
put = 0;
|
|
fe = &ms->ms_events.ev_q[0];
|
|
}
|
|
else fe++;
|
|
}
|
|
if (rel_ms->dy) {
|
|
if ((++put) % EV_QSIZE == get) {
|
|
put--;
|
|
goto out;
|
|
}
|
|
fe->id = LOC_Y_DELTA;
|
|
fe->value = rel_ms->dy;
|
|
fe->time = time;
|
|
if (put >= EV_QSIZE) {
|
|
put = 0;
|
|
fe = &ms->ms_events.ev_q[0];
|
|
}
|
|
else fe++;
|
|
}
|
|
if (mbut && (type != KBD_TIMEO_PKG)) {
|
|
for (bmask = 1; bmask < 0x08; bmask <<= 1) {
|
|
if (!(mbut & bmask))
|
|
continue;
|
|
fe2 = &ms->ms_bq[ms->ms_bq_idx++];
|
|
if (bmask == 1)
|
|
fe2->id = MS_RIGHT;
|
|
else if (bmask == 2)
|
|
fe2->id = MS_LEFT;
|
|
else fe2->id = MS_MIDDLE;
|
|
fe2->value = rel_ms->id & bmask ? VKEY_DOWN : VKEY_UP;
|
|
fe2->time = time;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Handle 3rd button emulation.
|
|
*/
|
|
if (ms->ms_emul3b && ms->ms_bq_idx && (type != KBD_TIMEO_PKG)) {
|
|
/*
|
|
* If the middle button is pressed, any change to
|
|
* one of the other buttons releases all.
|
|
*/
|
|
if ((ms->ms_buttons & 4) && (mbut & 3)) {
|
|
ms->ms_bq[0].id = MS_MIDDLE;
|
|
ms->ms_bq_idx = 1;
|
|
rel_ms->id = 0;
|
|
flush_buttons = 1;
|
|
goto out;
|
|
}
|
|
if (ms->ms_bq_idx == 2) {
|
|
if (ms->ms_bq[0].value == ms->ms_bq[1].value) {
|
|
/* Must be 2 button presses! */
|
|
ms->ms_bq[0].id = MS_MIDDLE;
|
|
ms->ms_bq_idx = 1;
|
|
rel_ms->id = 7;
|
|
}
|
|
}
|
|
else if (ms->ms_bq[0].value == VKEY_DOWN) {
|
|
timeout((FPV)ms_3b_delay, (void *)ms, 10);
|
|
goto out;
|
|
}
|
|
flush_buttons = 1;
|
|
}
|
|
out:
|
|
if (flush_buttons) {
|
|
int i;
|
|
|
|
for (i = 0; i < ms->ms_bq_idx; i++) {
|
|
if ((++put) % EV_QSIZE == get) {
|
|
ms->ms_bq_idx = 0;
|
|
put--;
|
|
goto out;
|
|
}
|
|
*fe = ms->ms_bq[i];
|
|
if (put >= EV_QSIZE) {
|
|
put = 0;
|
|
fe = &ms->ms_events.ev_q[0];
|
|
}
|
|
else fe++;
|
|
}
|
|
ms->ms_bq_idx = 0;
|
|
}
|
|
ms->ms_events.ev_put = put;
|
|
ms->ms_buttons = rel_ms->id;
|
|
splx(sps);
|
|
EV_WAKEUP(&ms->ms_events);
|
|
}
|
|
|
|
int
|
|
msopen(dev, flags, mode, p)
|
|
dev_t dev;
|
|
int flags, mode;
|
|
struct proc *p;
|
|
{
|
|
u_char report_ms_joy[] = { 0x14, 0x08 };
|
|
struct ms_softc *ms;
|
|
int unit;
|
|
|
|
unit = minor(dev);
|
|
ms = &ms_softc[unit];
|
|
|
|
if (unit >= NMOUSE)
|
|
return(EXDEV);
|
|
|
|
if (ms->ms_events.ev_io)
|
|
return(EBUSY);
|
|
|
|
ms->ms_events.ev_io = p;
|
|
ms->ms_dx = ms->ms_dy = 0;
|
|
ms->ms_buttons = 0;
|
|
ms->ms_bq[0].id = ms->ms_bq[1].id = 0;
|
|
ms->ms_bq_idx = 0;
|
|
ev_init(&ms->ms_events); /* may cause sleep */
|
|
|
|
/*
|
|
* Enable mouse reporting.
|
|
*/
|
|
kbd_write(report_ms_joy, sizeof(report_ms_joy));
|
|
return(0);
|
|
}
|
|
|
|
int
|
|
msclose(dev, flags, mode, p)
|
|
dev_t dev;
|
|
int flags, mode;
|
|
struct proc *p;
|
|
{
|
|
u_char disable_ms_joy[] = { 0x12, 0x1a };
|
|
int unit;
|
|
struct ms_softc *ms;
|
|
|
|
unit = minor (dev);
|
|
ms = &ms_softc[unit];
|
|
|
|
/*
|
|
* Turn off mouse interrogation.
|
|
*/
|
|
kbd_write(disable_ms_joy, sizeof(disable_ms_joy));
|
|
ev_fini(&ms->ms_events);
|
|
ms->ms_events.ev_io = NULL;
|
|
return(0);
|
|
}
|
|
|
|
int
|
|
msread(dev, uio, flags)
|
|
dev_t dev;
|
|
struct uio *uio;
|
|
int flags;
|
|
{
|
|
struct ms_softc *ms;
|
|
|
|
ms = &ms_softc[minor(dev)];
|
|
return(ev_read(&ms->ms_events, uio, flags));
|
|
}
|
|
|
|
int
|
|
msioctl(dev, cmd, data, flag, p)
|
|
dev_t dev;
|
|
u_long cmd;
|
|
register caddr_t data;
|
|
int flag;
|
|
struct proc *p;
|
|
{
|
|
struct ms_softc *ms;
|
|
int unit;
|
|
|
|
unit = minor(dev);
|
|
ms = &ms_softc[unit];
|
|
|
|
switch (cmd) {
|
|
case MIOCS3B_EMUL:
|
|
ms->ms_emul3b = (*(int *)data != 0) ? 1 : 0;
|
|
return (0);
|
|
case MIOCG3B_EMUL:
|
|
*(int *)data = ms->ms_emul3b;
|
|
return (0);
|
|
case FIONBIO: /* we will remove this someday (soon???) */
|
|
return(0);
|
|
case FIOASYNC:
|
|
ms->ms_events.ev_async = *(int *)data != 0;
|
|
return(0);
|
|
case TIOCSPGRP:
|
|
if (*(int *)data != ms->ms_events.ev_io->p_pgid)
|
|
return(EPERM);
|
|
return(0);
|
|
case VUIDGFORMAT: /* we only do firm_events */
|
|
*(int *)data = VUID_FIRM_EVENT;
|
|
return(0);
|
|
case VUIDSFORMAT:
|
|
if (*(int *)data != VUID_FIRM_EVENT)
|
|
return(EINVAL);
|
|
return(0);
|
|
}
|
|
return(ENOTTY);
|
|
}
|
|
|
|
int
|
|
msselect(dev, rw, p)
|
|
dev_t dev;
|
|
int rw;
|
|
struct proc *p;
|
|
{
|
|
struct ms_softc *ms;
|
|
|
|
ms = &ms_softc[minor(dev)];
|
|
return(ev_select(&ms->ms_events, rw, p));
|
|
}
|
|
#endif /* NMOUSE > 0 */
|