diff options
Diffstat (limited to 'sys/arch/alpha/wscons/ms.c')
| -rw-r--r-- | sys/arch/alpha/wscons/ms.c | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/sys/arch/alpha/wscons/ms.c b/sys/arch/alpha/wscons/ms.c deleted file mode 100644 index 76a72d67721..00000000000 --- a/sys/arch/alpha/wscons/ms.c +++ /dev/null @@ -1,296 +0,0 @@ -/* $OpenBSD: ms.c,v 1.4 1997/01/24 19:58:27 niklas Exp $ */ -/* $NetBSD: ms.c,v 1.3 1996/11/13 21:13:40 cgd 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. - */ - -#include <sys/param.h> -#include <sys/conf.h> -#include <sys/ioctl.h> -#include <sys/kernel.h> -#include <sys/proc.h> -#include <sys/signalvar.h> -#include <sys/syslog.h> -#include <sys/systm.h> -#include <sys/tty.h> - -#include <machine/vuid_event.h> -#include <alpha/wscons/event_var.h> -#include <alpha/wscons/wsconsvar.h> -#include <alpha/wscons/ms.h> - -struct ms_softc { - struct device *ms_dev; - struct wscons_mdev_spec ms_spec; - char ms_mb; /* mouse button state */ - char ms_ub; /* user button state */ - int ms_dx; /* delta-x */ - int ms_dy; /* delta-y */ - volatile int ms_ready; /* event queue is ready */ - struct evvar ms_events; /* event queue state */ -} ms_softc; - -void -msattach(mdev, mspec) - struct device *mdev; - struct wscons_mdev_spec *mspec; -{ - register struct ms_softc *m = &ms_softc; - - m->ms_dev = mdev; - m->ms_spec = *mspec; -} - -void -ms_event(buttons, dx, dy) - char buttons; /* 0 is up */ - int dx, dy; -{ - register struct firm_event *fe; - register struct ms_softc *ms = &ms_softc; - register int mb, ub, d, get, put, any; - static const char to_one[] = { 1, 2, 2, 4, 4, 4, 4 }; - static const int to_id[] = { MS_RIGHT, MS_MIDDLE, 0, MS_LEFT }; - - /* - * Discard input if not ready. - */ - if (ms->ms_ready == 0) - return; - - ms->ms_mb = (buttons) & 0x7; - ms->ms_dx += dx; - ms->ms_dy += dy; - - /* - * We have at least one event (mouse button, delta-X, or - * delta-Y; possibly all three, and possibly three separate - * button events). Deliver these events until we are out - * of changes or out of room. As events get delivered, - * mark them `unchanged'. - */ - any = 0; - get = ms->ms_events.ev_get; - put = ms->ms_events.ev_put; - fe = &ms->ms_events.ev_q[put]; - - /* NEXT prepares to put the next event, backing off if necessary */ -#define NEXT \ - if ((++put) % EV_QSIZE == get) { \ - put--; \ - goto out; \ - } - /* ADVANCE completes the `put' of the event */ -#define ADVANCE \ - fe++; \ - if (put >= EV_QSIZE) { \ - put = 0; \ - fe = &ms->ms_events.ev_q[0]; \ - } \ - any = 1 - - mb = ms->ms_mb; - ub = ms->ms_ub; - while ((d = mb ^ ub) != 0) { - /* - * Mouse button change. Convert up to three changes - * to the `first' change, and drop it into the event queue. - */ - NEXT; - d = to_one[d - 1]; /* from 1..7 to {1,2,4} */ - fe->id = to_id[d - 1]; /* from {1,2,4} to ID */ - fe->value = mb & d ? VKEY_DOWN : VKEY_UP; - fe->time = time; - ADVANCE; - ub ^= d; - } - if (ms->ms_dx) { - NEXT; - fe->id = LOC_X_DELTA; - fe->value = ms->ms_dx; - fe->time = time; - ADVANCE; - ms->ms_dx = 0; - } - if (ms->ms_dy) { - NEXT; - fe->id = LOC_Y_DELTA; - fe->value = ms->ms_dy; - fe->time = time; - ADVANCE; - ms->ms_dy = 0; - } -out: - if (any) { - ms->ms_ub = ub; - ms->ms_events.ev_put = put; - EV_WAKEUP(&ms->ms_events); - } -} - -int -msopen(dev, flags, mode, p) - dev_t dev; - int flags, mode; - struct proc *p; -{ - int error; - - if (ms_softc.ms_dev == NULL) /* never attached! */ - return (ENXIO); - - if (ms_softc.ms_events.ev_io) - return (EBUSY); - - ms_softc.ms_events.ev_io = p; - ev_init(&ms_softc.ms_events); /* may cause sleep */ - - ms_softc.ms_ready = 1; /* start accepting events */ - - error = (*ms_softc.ms_spec.wm_enable)(ms_softc.ms_dev); - - if (error) { - ms_softc.ms_ready = 0; /* stop accepting events */ - ev_fini(&ms_softc.ms_events); - ms_softc.ms_events.ev_io = NULL; - return (error); - } - - return (0); -} - -int -msclose(dev, flags, mode, p) - dev_t dev; - int flags, mode; - struct proc *p; -{ - - (*ms_softc.ms_spec.wm_disable)(ms_softc.ms_dev); - - ms_softc.ms_ready = 0; /* stop accepting events */ - ev_fini(&ms_softc.ms_events); - ms_softc.ms_events.ev_io = NULL; - return (0); -} - -int -msread(dev, uio, flags) - dev_t dev; - struct uio *uio; - int flags; -{ - - return (ev_read(&ms_softc.ms_events, uio, flags)); -} - -/* this routine should not exist, but is convenient to write here for now */ -int -mswrite(dev, uio, flags) - dev_t dev; - struct uio *uio; - int flags; -{ - - return (EOPNOTSUPP); -} - -int -msioctl(dev, cmd, data, flag, p) - dev_t dev; - u_long cmd; - register caddr_t data; - int flag; - struct proc *p; -{ - switch (cmd) { - - case FIONBIO: /* we will remove this someday (soon???) */ - return (0); - - case FIOASYNC: - ms_softc.ms_events.ev_async = *(int *)data != 0; - return (0); - - case TIOCSPGRP: - if (*(int *)data != ms_softc.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); -} - -#ifdef notyet -int -mspoll(dev, events, p) - dev_t dev; - int events; - struct proc *p; -{ - return (ev_poll(&ms_softc.ms_events, events, p)); -} -#else -int -msselect(dev, rw, p) - dev_t dev; - int rw; - struct proc *p; -{ - return (ev_select(&ms_softc.ms_events, rw, p)); -} -#endif |