/* $NetBSD: p64h2apic.c,v 1.15 2009/05/04 12:15:51 cegger Exp $ */

/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Bill Sommerfeld.
*
* 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 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.
*/

/*
* Driver for P64H2 IOxAPIC
*
* This is an ioapic which appears in PCI space.
* This driver currently does nothing useful but will eventually
* thwak the ioapic into working correctly.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: p64h2apic.c,v 1.15 2009/05/04 12:15:51 cegger Exp $");

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

#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>

static int      p64h2match(device_t, cfdata_t, void *);
static void     p64h2attach(device_t, device_t, void *);

struct p64h2apic_softc {
       pcitag_t sc_tag;
};

CFATTACH_DECL_NEW(p64h2apic, sizeof(struct p64h2apic_softc),
   p64h2match, p64h2attach, NULL, NULL);

static int
p64h2match(device_t parent, cfdata_t match, void *aux)
{
       struct pci_attach_args *pa = aux;

       if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL &&
           PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEL_82870P2_IOxAPIC)
               return (1);

       return (0);
}

static void
p64h2attach(device_t parent, device_t self, void *aux)
{
       struct p64h2apic_softc *sc = device_private(self);
       struct pci_attach_args *pa = aux;
       char devinfo[256];

       aprint_naive("\n");
       aprint_normal("\n");

       pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
       aprint_normal_dev(self, "%s (rev. 0x%02x)\n", devinfo,
           PCI_REVISION(pa->pa_class));

       sc->sc_tag = pa->pa_tag;
}