132 lines
3.9 KiB
C
132 lines
3.9 KiB
C
/* $NetBSD: lpt_supio.c,v 1.6 1999/06/22 21:12:00 is Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Ignatios Souvatzis.
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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 NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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/ioctl.h>
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#include <sys/select.h>
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#include <sys/tty.h>
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#include <sys/proc.h>
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#include <sys/user.h>
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/uio.h>
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#include <sys/kernel.h>
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#include <sys/syslog.h>
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#include <sys/types.h>
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#include <sys/device.h>
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#include <machine/intr.h>
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#include <machine/bus.h>
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#include <dev/ic/lptreg.h>
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#include <dev/ic/lptvar.h>
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#include <amiga/dev/supio.h>
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struct lptsupio_softc {
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struct lpt_softc sc_lpt;
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struct isr sc_isr;
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void (*sc_intack)__P((void *));
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};
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int lpt_supio_match __P((struct device *, struct cfdata *, void *));
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void lpt_supio_attach __P((struct device *, struct device *, void *));
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int lpt_supio_intr __P((void *p));
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struct cfattach lpt_supio_ca = {
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sizeof(struct lptsupio_softc), lpt_supio_match, lpt_supio_attach
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};
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int
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lpt_supio_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct supio_attach_args *supa = aux;
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if (strcmp(supa->supio_name,"lpt"))
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return 0;
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return (1);
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}
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int
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lpt_supio_intr(p)
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void *p;
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{
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struct lptsupio_softc *sc = (void *)p;
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int rc;
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rc = lptintr(&sc->sc_lpt);
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if (sc->sc_intack)
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(*sc->sc_intack)(p);
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return (rc);
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}
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void
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lpt_supio_attach(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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struct lptsupio_softc *sc = (void *)self;
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struct lpt_softc *lsc = &sc->sc_lpt;
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int iobase;
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bus_space_tag_t iot;
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struct supio_attach_args *supa = aux;
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/*
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* We're living on a superio chip.
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*/
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iobase = supa->supio_iobase;
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iot = lsc->sc_iot = supa->supio_iot;
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sc->sc_intack = (void *)supa->supio_arg;
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if (bus_space_map(iot, iobase, LPT_NPORTS, 0, &lsc->sc_ioh))
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panic("lpt_supio_attach: io mapping failed");
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printf(" port 0x%04x ipl %d\n", iobase, supa->supio_ipl);
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lpt_attach_subr(lsc);
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sc->sc_isr.isr_intr = lpt_supio_intr;
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sc->sc_isr.isr_arg = sc;
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sc->sc_isr.isr_ipl = supa->supio_ipl;
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add_isr(&sc->sc_isr);
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}
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