ISA PnP atppc(4) attachment
based loosely on aha ISA PnP attachment
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jdolecek
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192
sys/dev/isapnp/atppc_isapnp.c
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192
sys/dev/isapnp/atppc_isapnp.c
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/* $NetBSD: atppc_isapnp.c,v 1.1 2004/01/28 19:31:07 jdolecek Exp $ */
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/*-
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* Copyright (c) 2004 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 Jaromir Dolecek.
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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/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: atppc_isapnp.c,v 1.1 2004/01/28 19:31:07 jdolecek Exp $");
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#include "opt_atppc.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/termios.h>
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#include <machine/bus.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/isadmavar.h>
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#include <dev/isapnp/isapnpreg.h>
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#include <dev/isapnp/isapnpvar.h>
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#include <dev/isapnp/isapnpdevs.h>
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#include <dev/ic/atppcvar.h>
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#include <dev/isa/atppc_isadma.h>
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static int atppc_isapnp_match(struct device *, struct cfdata *, void *);
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static void atppc_isapnp_attach(struct device *, struct device *, void *);
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struct atppc_isapnp_softc {
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struct atppc_softc sc_atppc;
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isa_chipset_tag_t sc_ic;
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int sc_drq;
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};
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CFATTACH_DECL(atppc_isapnp, sizeof(struct atppc_isapnp_softc),
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atppc_isapnp_match, atppc_isapnp_attach, NULL, NULL);
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static int atppc_isapnp_dma_start(struct atppc_softc *, void *, u_int,
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u_int8_t);
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static int atppc_isapnp_dma_finish(struct atppc_softc *);
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static int atppc_isapnp_dma_abort(struct atppc_softc *);
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static int atppc_isapnp_dma_malloc(struct device *, caddr_t *, bus_addr_t *,
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bus_size_t);
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static void atppc_isapnp_dma_free(struct device *, caddr_t *, bus_addr_t *,
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bus_size_t);
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/*
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* atppc_isapnp_match: autoconf(9) match routine
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*/
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static int
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atppc_isapnp_match(struct device *parent, struct cfdata *match, void *aux)
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{
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int pri, variant;
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pri = isapnp_devmatch(aux, &isapnp_sb_devinfo, &variant);
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if (pri && variant > 0)
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pri = 0;
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return (pri);
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}
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static void
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atppc_isapnp_attach(struct device *parent, struct device *self, void *aux)
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{
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struct atppc_softc *sc = (struct atppc_softc *) self;
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struct atppc_isapnp_softc *asc = (struct atppc_isapnp_softc *)self;
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struct isapnp_attach_args *ipa = aux;
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sc->sc_dev_ok = ATPPC_NOATTACH;
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printf(": AT Parallel Port\n");
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if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
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printf("%s: error in region allocation\n",
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sc->sc_dev.dv_xname);
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return;
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}
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/* Attach */
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sc->sc_iot = ipa->ipa_iot;
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sc->sc_ioh = ipa->ipa_io[0].h;
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sc->sc_has = 0;
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asc->sc_ic = ipa->ipa_ic;
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asc->sc_drq = -1; /* Initialized below */
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sc->sc_dev_ok = ATPPC_ATTACHED;
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sc->sc_ieh = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
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ipa->ipa_irq[0].type, IPL_TTY, atppcintr, sc);
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sc->sc_has |= ATPPC_HAS_INTR;
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/* setup DMA hooks */
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if (ipa->ipa_ndrq > 0
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&& atppc_isadma_setup(sc, asc->sc_ic, ipa->ipa_drq[0].num) == 0) {
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asc->sc_drq = ipa->ipa_drq[0].num;
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sc->sc_has |= ATPPC_HAS_DMA;
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sc->sc_dma_start = atppc_isapnp_dma_start;
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sc->sc_dma_finish = atppc_isapnp_dma_finish;
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sc->sc_dma_abort = atppc_isapnp_dma_abort;
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sc->sc_dma_malloc = atppc_isapnp_dma_malloc;
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sc->sc_dma_free = atppc_isapnp_dma_free;
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}
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/* Run soft configuration attach */
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atppc_sc_attach(sc);
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}
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/* Start DMA operation over ISA bus */
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static int
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atppc_isapnp_dma_start(struct atppc_softc *lsc, void *buf, u_int nbytes,
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u_int8_t mode)
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{
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struct atppc_isapnp_softc * sc = (struct atppc_isapnp_softc *) lsc;
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return atppc_isadma_start(sc->sc_ic, sc->sc_drq, buf, nbytes, mode);
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}
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/* Stop DMA operation over ISA bus */
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static int
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atppc_isapnp_dma_finish(struct atppc_softc * lsc)
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{
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struct atppc_isapnp_softc * sc = (struct atppc_isapnp_softc *) lsc;
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return atppc_isadma_finish(sc->sc_ic, sc->sc_drq);
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}
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/* Abort DMA operation over ISA bus */
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int
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atppc_isapnp_dma_abort(struct atppc_softc * lsc)
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{
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struct atppc_isapnp_softc * sc = (struct atppc_isapnp_softc *) lsc;
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return atppc_isadma_abort(sc->sc_ic, sc->sc_drq);
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}
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/* Allocate memory for DMA over ISA bus */
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int
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atppc_isapnp_dma_malloc(struct device * dev, caddr_t * buf, bus_addr_t * bus_addr,
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bus_size_t size)
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{
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struct atppc_isapnp_softc * sc = (struct atppc_isapnp_softc *) dev;
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return atppc_isadma_malloc(sc->sc_ic, sc->sc_drq, buf, bus_addr, size);
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}
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/* Free memory allocated by atppc_isa_dma_malloc() */
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void
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atppc_isapnp_dma_free(struct device * dev, caddr_t * buf, bus_addr_t * bus_addr,
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bus_size_t size)
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{
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struct atppc_isapnp_softc * sc = (struct atppc_isapnp_softc *) dev;
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return atppc_isadma_free(sc->sc_ic, sc->sc_drq, buf, bus_addr, size);
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}
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@ -1,4 +1,4 @@
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# $NetBSD: files.isapnp,v 1.34 2003/08/14 10:03:03 itojun Exp $
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# $NetBSD: files.isapnp,v 1.35 2004/01/28 19:31:07 jdolecek Exp $
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#
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# Config file and device description for machine-independent ISAPnP code.
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# Included by ports that need it.
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@ -112,3 +112,7 @@ file dev/isapnp/isic_isapnp_itkix.c isic_isapnp
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# Game adapter (joystick)
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attach joy at isapnp with joy_isapnp
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file dev/isapnp/joy_isapnp.c joy_isapnp
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# AT-style Parallel Port
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attach atppc at isapnp with atppc_isapnp
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file dev/isapnp/atppc_isapnp.c atppc_isapnp
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@ -1,4 +1,4 @@
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$NetBSD: isapnpdevs,v 1.54 2003/07/08 07:26:04 rh Exp $
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$NetBSD: isapnpdevs,v 1.55 2004/01/28 19:31:07 jdolecek Exp $
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/*-
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* Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
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@ -42,6 +42,7 @@ $NetBSD: isapnpdevs,v 1.54 2003/07/08 07:26:04 rh Exp $
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driver aha Adaptec SCSI
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driver aic Adaptec SCSI
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driver an Aironet 802.11
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driver atppc AT Parallel Port
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driver com National Semiconductor Serial
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driver cs Cirrus Logic Crystal CS89x0 Ethernet
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driver ep 3Com 3CXXX Ethernet
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@ -78,6 +79,12 @@ devcompat aic ADP1530 0 (Adaptec AVA-1505A)
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*/
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devlogic an AOL0001 0 Aironet 4500/4800
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/*
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* atppc
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*/
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devlogic atppc PNP0400 0 Generic AT Parallel Port
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devlogic atppc PNP0401 0 Generic ECP Prallel Port
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/*
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* com
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*/
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