NetBSD/sys/dev/acpi/acpi_quirks.c

90 lines
3.2 KiB
C

/* $NetBSD: acpi_quirks.c,v 1.3 2003/10/31 20:54:18 mycroft Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Frank van der Linden for Wasabi Systems, Inc.
*
* 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 for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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: acpi_quirks.c,v 1.3 2003/10/31 20:54:18 mycroft Exp $");
#include "opt_acpi.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <dev/acpi/acpica.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/acpi/acpi_osd.h>
static struct acpi_quirk acpi_quirks[] = {
/*
* This implementation seems to be in widespread use, but
* unfortunately, on some systems, it constructs a PCI hierarchy
* that doesn't match reality at all (like on SuperMicro boards).
*/
{ "PTLTD ", 0x06040000, ACPI_QUIRK_BADPCI | ACPI_QUIRK_BADIRQ },
/*
* This is on my Appro 1224 Xi. It does not find all the busses
* in the ACPI tables.
*/
{ "A M I ", 0x02000304, ACPI_QUIRK_BADPCI | ACPI_QUIRK_BADIRQ },
};
/*
* Simple function to search the quirk table. Only to be used after
* AcpiLoadTables has been successfully called.
*/
int
acpi_find_quirks(void)
{
int i, nquirks;
struct acpi_quirk *aqp;
nquirks = sizeof(acpi_quirks) / sizeof(struct acpi_quirk);
for (i = 0; i < nquirks; i++) {
aqp = &acpi_quirks[i];
if (!strncmp(aqp->aq_oemid, AcpiGbl_XSDT->OemId, strlen(aqp->aq_oemid)) &&
aqp->aq_oemrev == AcpiGbl_XSDT->OemRevision)
return aqp->aq_quirks;
}
return 0;
}