272 lines
7.3 KiB
C
272 lines
7.3 KiB
C
/* $NetBSD: acpi_quirks.c,v 1.19 2011/02/20 06:45:32 jruoho Exp $ */
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/*-
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* Copyright (c) 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Copyright 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Frank van der Linden for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: acpi_quirks.c,v 1.19 2011/02/20 06:45:32 jruoho Exp $");
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#include "opt_acpi.h"
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#include <sys/param.h>
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#include <dev/acpi/acpireg.h>
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#include <dev/acpi/acpivar.h>
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME ("acpi_quirks")
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#define AQ_GT 0 /* > */
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#define AQ_LT 1 /* < */
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#define AQ_GTE 2 /* >= */
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#define AQ_LTE 3 /* <= */
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#define AQ_EQ 4 /* == */
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static int acpi_quirks_revcmp(uint32_t, uint32_t, int);
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static struct acpi_quirk acpi_quirks[] = {
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{ ACPI_SIG_FADT, "ASUS ", 0x30303031, AQ_LTE, "CUV4X-D ",
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ACPI_QUIRK_BROKEN },
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{ ACPI_SIG_FADT, "PTLTD ", 0x06040000, AQ_LTE, " FACP ",
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ACPI_QUIRK_BROKEN },
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{ ACPI_SIG_FADT, "NVIDIA", 0x06040000, AQ_EQ, "CK8 ",
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ACPI_QUIRK_IRQ0 },
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{ ACPI_SIG_FADT, "HP ", 0x06040012, AQ_LTE, "HWPC20F ",
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ACPI_QUIRK_BROKEN },
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};
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static int
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acpi_quirks_revcmp(uint32_t tabval, uint32_t wanted, int op)
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{
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switch (op) {
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case AQ_GT:
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return (tabval > wanted) ? 0 : 1;
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case AQ_LT:
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return (tabval < wanted) ? 0 : 1;
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case AQ_LTE:
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return (tabval <= wanted) ? 0 : 1;
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case AQ_GTE:
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return (tabval >= wanted) ? 0 : 1;
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case AQ_EQ:
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return (tabval == wanted) ? 0 : 1;
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default:
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return 1;
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}
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}
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#ifdef ACPI_BLACKLIST_YEAR
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static int
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acpi_quirks_bios_year(void)
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{
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const char *datestr = pmf_get_platform("firmware-date");
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unsigned long date;
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if (datestr == NULL)
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return -1;
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date = strtoul(datestr, NULL, 10);
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if (date == 0 || date == ULONG_MAX)
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return -1;
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if (date < 19000000 || date > 99999999)
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return -1;
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return date / 10000;
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}
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#endif
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/*
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* Simple function to search the quirk table. Only to be
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* used after AcpiLoadTables() has been successfully called.
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*/
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int
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acpi_find_quirks(void)
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{
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ACPI_TABLE_HEADER fadt, dsdt, xsdt, *hdr;
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struct acpi_quirk *aq;
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ACPI_STATUS rv;
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size_t i, len;
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#ifdef ACPI_BLACKLIST_YEAR
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int year = acpi_quirks_bios_year();
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if (year != -1 && year <= ACPI_BLACKLIST_YEAR)
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return ACPI_QUIRK_OLDBIOS;
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#endif
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rv = AcpiGetTableHeader(ACPI_SIG_FADT, 0, &fadt);
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if (ACPI_FAILURE(rv))
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(void)memset(&fadt, 0, sizeof(fadt));
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rv = AcpiGetTableHeader(ACPI_SIG_DSDT, 0, &dsdt);
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if (ACPI_FAILURE(rv))
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(void)memset(&dsdt, 0, sizeof(dsdt));
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rv = AcpiGetTableHeader(ACPI_SIG_XSDT, 0, &xsdt);
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if (ACPI_FAILURE(rv))
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(void)memset(&xsdt, 0, sizeof(xsdt));
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for (i = 0; i < __arraycount(acpi_quirks); i++) {
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aq = &acpi_quirks[i];
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if (strncmp(aq->aq_tabletype, ACPI_SIG_DSDT, 4) == 0)
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hdr = &dsdt;
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else if (strncmp(aq->aq_tabletype, ACPI_SIG_XSDT, 4) == 0)
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hdr = &xsdt;
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else if (strncmp(aq->aq_tabletype, ACPI_SIG_FADT, 4) == 0)
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hdr = &fadt;
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else {
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continue;
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}
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len = strlen(aq->aq_oemid);
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if (strncmp(aq->aq_oemid, hdr->OemId, len) != 0)
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continue;
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if (acpi_quirks_revcmp(aq->aq_oemrev,
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hdr->OemRevision, aq->aq_cmpop) != 0)
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continue;
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len = strlen(aq->aq_tabid);
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if (strncmp(aq->aq_tabid, hdr->OemTableId, len) != 0)
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continue;
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return aq->aq_quirks;
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}
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return 0;
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}
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/*
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* Add or delete a string to the list that should return
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* true when _OSI is being queried. The defaults are:
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*
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* "Windows 2000" # Windows 2000
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* "Windows 2001" # Windows XP
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* "Windows 2001 SP1" # Windows XP SP1
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* "Windows 2001.1" # Windows Server 2003
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* "Windows 2001 SP2" # Windows XP SP2
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* "Windows 2001.1 SP1" # Windows Server 2003 SP1
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* "Windows 2006" # Windows Vista
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* "Windows 2006.1" # Windows Server 2008
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* "Windows 2006 SP1" # Windows Vista SP1
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* "Windows 2006 SP2" # Windows Vista SP2
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* "Windows 2009" # Windows 7 and Server 2008
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*/
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int
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acpi_quirks_osi_add(const char *str)
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{
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ACPI_STATUS rv;
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if (str == NULL || *str == '\0')
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return EINVAL;
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rv = AcpiInstallInterface(__UNCONST(str));
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return (rv != AE_OK) ? EIO : 0;
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}
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int
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acpi_quirks_osi_del(const char *str)
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{
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ACPI_STATUS rv;
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if (str == NULL || *str == '\0')
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return EINVAL;
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rv = AcpiRemoveInterface(__UNCONST(str));
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return (rv != AE_OK) ? EIO : 0;
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}
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#if 0
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static void
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acpi_quirks_osi_linux(void)
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{
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(void)acpi_quirks_osi_add("Linux");
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}
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static void
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acpi_quirks_osi_vista(void)
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{
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(void)acpi_quirks_osi_del("Windows 2006");
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(void)acpi_quirks_osi_del("Windows 2006 SP1");
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(void)acpi_quirks_osi_del("Windows 2006 SP2");
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}
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#endif
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