NetBSD/sys/dev/pci/esiop_pci.c

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2003-04-09 05:35:12 +04:00
/* $NetBSD: esiop_pci.c,v 1.6 2003/04/09 01:35:12 thorpej Exp $ */
/*
* Copyright (c) 2002 Manuel Bouyer.
*
* 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 Manuel Bouyer.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/* SYM53c8xx PCI-SCSI I/O Processors driver: PCI front-end */
#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: esiop_pci.c,v 1.6 2003/04/09 01:35:12 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/kernel.h>
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#include <uvm/uvm_extern.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsipiconf.h>
#include <dev/ic/siopvar_common.h>
#include <dev/pci/siop_pci_common.h>
#include <dev/ic/esiopvar.h>
int esiop_pci_match __P((struct device *, struct cfdata *, void *));
void esiop_pci_attach __P((struct device *, struct device *, void *));
struct esiop_pci_softc {
struct esiop_softc esiop;
struct siop_pci_common_softc esiop_pci;
};
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CFATTACH_DECL(esiop_pci, sizeof(struct esiop_pci_softc),
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esiop_pci_match, esiop_pci_attach, NULL, NULL);
int
esiop_pci_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pci_attach_args *pa = aux;
const struct siop_product_desc *pp;
/* look if it's a known product */
pp = siop_lookup_product(pa->pa_id, PCI_REVISION(pa->pa_class));
if (pp == NULL)
return 0;
/* we need 10 scratch registers and load/store */
if ((pp->features & SF_CHIP_10REGS) == 0)
return 0;
if ((pp->features & SF_CHIP_LS) == 0)
return 0;
return 2;
}
void
esiop_pci_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct pci_attach_args *pa = aux;
struct esiop_pci_softc *sc = (struct esiop_pci_softc *)self;
if (siop_pci_attach_common(&sc->esiop_pci, &sc->esiop.sc_c,
pa, esiop_intr) == 0)
return;
esiop_attach(&sc->esiop);
}