9065e731d6
- New versions of the drivers for the devices that really are IOMD
specific. The old arm32/mainbus drivers have either been rewritten
and are now child devices of the IOMD or they have been restructured
and split into generic drivers will IOMD specific attachments.
135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
/* $NetBSD: qms_iomd.c,v 1.1 1997/10/14 11:16:39 mark Exp $ */
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/*
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* Copyright (c) Scott Stevens 1995 All rights reserved
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* Copyright (c) Melvin Tang-Richardson 1995 All rights reserved
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* Copyright (c) Mark Brinicombe 1995 All rights reserved
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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 RiscBSD team.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Quadrature mouse driver
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/types.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/select.h>
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#include <sys/tty.h>
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#include <machine/bus.h>
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#include <machine/irqhandler.h>
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#include <arm32/dev/qmsvar.h>
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#include <arm32/iomd/iomdvar.h>
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#define TIMER1_COUNT 40000 /* 50Hz */
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static int qms_iomd_probe __P((struct device *, struct cfdata *, void *));
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static void qms_iomd_attach __P((struct device *, struct device *, void *));
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static void qms_iomd_intenable __P((struct qms_softc *sc, int enable));
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struct cfattach qms_iomd_ca = {
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sizeof(struct qms_softc), qms_iomd_probe, qms_iomd_attach
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};
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static int
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qms_iomd_probe(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 qms_attach_args *qa = aux;
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if (strcmp(qa->qa_name, "qms") == 0)
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return(1);
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return(0);
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}
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static void
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qms_iomd_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct qms_softc *sc = (void *)self;
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struct qms_attach_args *qa = aux;
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sc->sc_iot = qa->qa_iot;
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sc->sc_ioh = qa->qa_ioh;
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sc->sc_butioh = qa->qa_ioh_but;
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sc->sc_irqnum = qa->qa_irq;
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sc->sc_intenable = qms_iomd_intenable;
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/* if (sc->sc_irqnum == IRQ_TIMER1) {
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WriteByte(IOMD_T1LOW, (TIMER1_COUNT >> 0) & 0xff);
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WriteByte(IOMD_T1HIGH, (TIMER1_COUNT >> 8) & 0xff);
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WriteByte(IOMD_T1GO, 0);
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}
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*/
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qmsattach(sc);
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printf("\n");
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}
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static void
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qms_iomd_intenable(sc, enable)
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struct qms_softc *sc;
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int enable;
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{
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if (enable) {
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sc->sc_ih = intr_claim(sc->sc_irqnum, IPL_TTY, "qms", qmsintr, sc);
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if (!sc->sc_ih)
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panic("%s: Cannot claim interrupt\n", sc->sc_device.dv_xname);
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} else {
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if (intr_release(sc->sc_ih) != 0)
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panic("%s: Cannot release IRQ\n", sc->sc_device.dv_xname);
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}
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}
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#ifdef DIAGNOSTIC
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#include <arm32/iomd/iomdreg.h>
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#include <machine/katelib.h>
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void
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qms_console_freeze()
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{
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/* Middle mouse button freezes the display while active */
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while ((ReadByte(IO_MOUSE_BUTTONS) & MOUSE_BUTTON_MIDDLE) == 0);
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/* Left mouse button slows down the display speed */
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if ((ReadByte(IO_MOUSE_BUTTONS) & MOUSE_BUTTON_LEFT) == 0)
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delay(5000);
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}
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#endif /* DIAGNOSTIC */
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/* End of qms_iomd.c */
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