160 lines
4.0 KiB
C
160 lines
4.0 KiB
C
/* $NetBSD: drsupio.c,v 1.4 1998/01/12 10:39:22 thorpej Exp $ */
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/*
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* Copyright (c) 1997 Ignatios Souvatzis
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* 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 Ignatios Souvatzis
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* for the NetBSD Project.
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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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* DraCo multi-io chip bus space stuff
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*/
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#include <sys/types.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <sys/param.h>
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#include <machine/bus.h>
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#include <machine/conf.h>
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#include <amiga/include/cpu.h>
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#include <amiga/amiga/device.h>
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#include <amiga/amiga/drcustom.h>
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#include <amiga/dev/supio.h>
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struct drsupio_softc {
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struct device sc_dev;
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struct bus_space_tag sc_bst;
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};
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int drsupiomatch __P((struct device *, struct cfdata *, void *));
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void drsupioattach __P((struct device *, struct device *, void *));
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int drsupprint __P((void *auxp, const char *));
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void drlptintack __P((void *));
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struct cfattach drsupio_ca = {
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sizeof(struct drsupio_softc), drsupiomatch, drsupioattach
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};
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int
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drsupiomatch(parent, cfp, auxp)
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struct device *parent;
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struct cfdata *cfp;
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void *auxp;
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{
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/* Exactly one of us lives on the DraCo */
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if (is_draco() && matchname(auxp, "drsupio") && (cfp->cf_unit == 0))
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return 1;
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return 0;
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}
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struct drsupio_devs {
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char *name;
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int off;
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int arg;
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} drsupiodevs[] = {
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{ "com", 0x3f8, 115200 * 16 },
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{ "com", 0x2f8, 115200 * 16 },
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{ "lpt", 0x278, (int)drlptintack },
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{ "fdc", 0x3f0, 0 },
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/* WD port? */
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{ 0 }
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};
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void
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drsupioattach(parent, self, auxp)
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struct device *parent, *self;
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void *auxp;
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{
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struct drsupio_softc *drsc;
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struct drsupio_devs *drsd;
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struct drioct *ioct;
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struct supio_attach_args supa;
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drsc = (struct drsupio_softc *)self;
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drsd = drsupiodevs;
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if (parent)
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printf("\n");
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drsc->sc_bst.base = DRCCADDR + NBPG * DRSUPIOPG + 1;
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drsc->sc_bst.stride = 2;
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supa.supio_iot = &drsc->sc_bst;
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supa.supio_ipl = 5;
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while (drsd->name) {
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supa.supio_name = drsd->name;
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supa.supio_iobase = drsd->off;
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supa.supio_arg = drsd->arg;
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config_found(self, &supa, drsupprint); /* XXX */
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++drsd;
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}
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drlptintack(0);
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ioct = (struct drioct *)(DRCCADDR + NBPG * DRIOCTLPG);
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ioct->io_status2 |= DRSTAT2_PARIRQENA;
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}
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void
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drlptintack(p)
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void *p;
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{
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struct drioct *ioct;
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(void)p;
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ioct = (struct drioct *)(DRCCADDR + NBPG * DRIOCTLPG);
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ioct->io_parrst = 0; /* any value works */
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}
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int
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drsupprint(auxp, pnp)
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void *auxp;
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const char *pnp;
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{
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struct supio_attach_args *supa;
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supa = auxp;
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if (pnp == NULL)
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return(QUIET);
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printf("%s at %s port 0x%02x",
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supa->supio_name, pnp, supa->supio_iobase);
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return(UNCONF);
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}
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