NetBSD/sys/arch/i386/pnpbios/npx_pnpbios.c

120 lines
3.9 KiB
C

/* $NetBSD: npx_pnpbios.c,v 1.6 2002/11/24 10:19:37 jmc Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: npx_pnpbios.c,v 1.6 2002/11/24 10:19:37 jmc Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/cpufunc.h>
#include <machine/intr.h>
#include <machine/specialreg.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <i386/pnpbios/pnpbiosvar.h>
#include <i386/isa/npxvar.h>
int npx_pnpbios_match(struct device *, struct cfdata *, void *);
void npx_pnpbios_attach(struct device *, struct device *, void *);
CFATTACH_DECL(npx_pnpbios, sizeof(struct npx_softc),
npx_pnpbios_match, npx_pnpbios_attach, NULL, NULL);
int
npx_pnpbios_match(struct device *parent, struct cfdata *match, void *aux)
{
struct pnpbiosdev_attach_args *aa = aux;
if (strcmp(aa->idstr, "PNP0C04"))
return (0);
return (1);
}
void
npx_pnpbios_attach(struct device *parent, struct device *self, void *aux)
{
struct npx_softc *sc = (void *)self;
struct pnpbiosdev_attach_args *aa = aux;
int irq, ist;
if (pnpbios_io_map(aa->pbt, aa->resc, 0, &sc->sc_iot, &sc->sc_ioh)) {
printf(": can't map i/o space\n");
return;
}
printf("\n");
pnpbios_print_devres(self, aa);
if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &irq, &ist) != 0) {
printf("%s: unable to get IRQ number or type\n",
sc->sc_dev.dv_xname);
return;
}
sc->sc_type = npxprobe1(sc->sc_iot, sc->sc_ioh, irq);
switch (sc->sc_type) {
case NPX_INTERRUPT:
printf("%s: interrupting at irq %d\n", sc->sc_dev.dv_xname,
irq);
lcr0(rcr0() & ~CR0_NE);
sc->sc_ih = isa_intr_establish(0/*XXX*/, irq, ist, IPL_NONE,
(int (*)(void *))npxintr, NULL);
break;
case NPX_EXCEPTION:
printf("%s: using exception 16\n", sc->sc_dev.dv_xname);
break;
case NPX_BROKEN:
printf("%s: error reporting broken; not using\n",
sc->sc_dev.dv_xname);
sc->sc_type = NPX_NONE;
return;
case NPX_NONE:
panic("npx_pnpbios_attach");
}
npxattach(sc);
}