120 lines
3.9 KiB
C
120 lines
3.9 KiB
C
/* $NetBSD: npx_pnpbios.c,v 1.6 2002/11/24 10:19:37 jmc Exp $ */
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/*-
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* Copyright (c) 2000 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 Jason R. Thorpe.
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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: npx_pnpbios.c,v 1.6 2002/11/24 10:19:37 jmc Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <machine/cpufunc.h>
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#include <machine/intr.h>
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#include <machine/specialreg.h>
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#include <dev/isa/isareg.h>
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#include <dev/isa/isavar.h>
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#include <i386/pnpbios/pnpbiosvar.h>
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#include <i386/isa/npxvar.h>
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int npx_pnpbios_match(struct device *, struct cfdata *, void *);
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void npx_pnpbios_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(npx_pnpbios, sizeof(struct npx_softc),
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npx_pnpbios_match, npx_pnpbios_attach, NULL, NULL);
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int
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npx_pnpbios_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct pnpbiosdev_attach_args *aa = aux;
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if (strcmp(aa->idstr, "PNP0C04"))
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return (0);
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return (1);
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}
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void
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npx_pnpbios_attach(struct device *parent, struct device *self, void *aux)
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{
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struct npx_softc *sc = (void *)self;
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struct pnpbiosdev_attach_args *aa = aux;
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int irq, ist;
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if (pnpbios_io_map(aa->pbt, aa->resc, 0, &sc->sc_iot, &sc->sc_ioh)) {
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printf(": can't map i/o space\n");
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return;
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}
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printf("\n");
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pnpbios_print_devres(self, aa);
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if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &irq, &ist) != 0) {
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printf("%s: unable to get IRQ number or type\n",
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sc->sc_dev.dv_xname);
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return;
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}
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sc->sc_type = npxprobe1(sc->sc_iot, sc->sc_ioh, irq);
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switch (sc->sc_type) {
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case NPX_INTERRUPT:
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printf("%s: interrupting at irq %d\n", sc->sc_dev.dv_xname,
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irq);
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lcr0(rcr0() & ~CR0_NE);
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sc->sc_ih = isa_intr_establish(0/*XXX*/, irq, ist, IPL_NONE,
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(int (*)(void *))npxintr, NULL);
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break;
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case NPX_EXCEPTION:
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printf("%s: using exception 16\n", sc->sc_dev.dv_xname);
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break;
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case NPX_BROKEN:
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printf("%s: error reporting broken; not using\n",
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sc->sc_dev.dv_xname);
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sc->sc_type = NPX_NONE;
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return;
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case NPX_NONE:
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panic("npx_pnpbios_attach");
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}
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npxattach(sc);
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}
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