/*      $NetBSD: esiop_pci.c,v 1.18 2010/11/13 13:52:05 uebayasi 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.
*
* 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>
__KERNEL_RCSID(0, "$NetBSD: esiop_pci.c,v 1.18 2010/11/13 13:52:05 uebayasi Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/kernel.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>

struct esiop_pci_softc {
       struct esiop_softc esiop;
       struct siop_pci_common_softc esiop_pci;
};

static int
esiop_pci_match(device_t parent, cfdata_t 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;
}

static void
esiop_pci_attach(device_t parent, device_t self, void *aux)
{
       struct pci_attach_args *pa = aux;
       struct esiop_pci_softc *sc = device_private(self);

       sc->esiop.sc_c.sc_dev = self;
       if (siop_pci_attach_common(&sc->esiop_pci, &sc->esiop.sc_c,
           pa, esiop_intr) == 0)
               return;

       esiop_attach(&sc->esiop);
}


CFATTACH_DECL_NEW(esiop_pci, sizeof(struct esiop_pci_softc),
   esiop_pci_match, esiop_pci_attach, NULL, NULL);