/* $NetBSD: acpi_quirks.c,v 1.22 2020/12/06 11:38:28 jmcneill Exp $ */ /*- * Copyright (c) 2011 The NetBSD Foundation, Inc. * All rights reserved. * * 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 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 AUTHOR 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. */ /* * 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 1.22 2020/12/06 11:38:28 jmcneill Exp $"); #include "opt_acpi.h" #include <sys/param.h> #include <dev/acpi/acpireg.h> #include <dev/acpi/acpivar.h> #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("acpi_quirks") #define AQ_GT 0 /* > */ #define AQ_LT 1 /* < */ #define AQ_GTE 2 /* >= */ #define AQ_LTE 3 /* <= */ #define AQ_EQ 4 /* == */ static int acpi_quirks_revcmp(uint32_t, uint32_t, int); static const struct acpi_quirk acpi_quirks[] = { { ACPI_SIG_FADT, "ASUS ", 0x30303031, AQ_LTE, "CUV4X-D ", ACPI_QUIRK_BROKEN }, { ACPI_SIG_FADT, "PTLTD ", 0x06040000, AQ_LTE, " FACP ", ACPI_QUIRK_BROKEN }, { ACPI_SIG_FADT, "NVIDIA", 0x06040000, AQ_EQ, "CK8 ", ACPI_QUIRK_IRQ0 }, { ACPI_SIG_FADT, "HP ", 0x06040012, AQ_LTE, "HWPC20F ", ACPI_QUIRK_BROKEN }, }; static int acpi_quirks_revcmp(uint32_t tabval, uint32_t wanted, int op) { switch (op) { case AQ_GT: return (tabval > wanted) ? 0 : 1; case AQ_LT: return (tabval < wanted) ? 0 : 1; case AQ_LTE: return (tabval <= wanted) ? 0 : 1; case AQ_GTE: return (tabval >= wanted) ? 0 : 1; case AQ_EQ: return (tabval == wanted) ? 0 : 1; default: return 1; } } #ifdef ACPI_BLACKLIST_YEAR static int acpi_quirks_bios_year(void) { const char *datestr = pmf_get_platform("bios-date"); unsigned long date; if (datestr == NULL) return -1; date = strtoul(datestr, NULL, 10); if (date == 0 || date == ULONG_MAX) return -1; if (date < 19000000 || date > 99999999) return -1; return date / 10000; } #endif /* * Simple function to search the quirk table. Only to be * used after AcpiLoadTables() has been successfully called. */ int acpi_find_quirks(void) { ACPI_TABLE_HEADER fadt, dsdt, xsdt, *hdr; const struct acpi_quirk *aq; ACPI_STATUS rv; size_t i, len; #ifdef ACPI_BLACKLIST_YEAR int year = acpi_quirks_bios_year(); if (year != -1 && year <= ACPI_BLACKLIST_YEAR) return ACPI_QUIRK_OLDBIOS; #endif rv = AcpiGetTableHeader(ACPI_SIG_FADT, 0, &fadt); if (ACPI_FAILURE(rv)) (void)memset(&fadt, 0, sizeof(fadt)); rv = AcpiGetTableHeader(ACPI_SIG_DSDT, 0, &dsdt); if (ACPI_FAILURE(rv)) (void)memset(&dsdt, 0, sizeof(dsdt)); rv = AcpiGetTableHeader(ACPI_SIG_XSDT, 0, &xsdt); if (ACPI_FAILURE(rv)) (void)memset(&xsdt, 0, sizeof(xsdt)); for (i = 0; i < __arraycount(acpi_quirks); i++) { aq = &acpi_quirks[i]; if (strncmp(aq->aq_tabletype, ACPI_SIG_DSDT, 4) == 0) hdr = &dsdt; else if (strncmp(aq->aq_tabletype, ACPI_SIG_XSDT, 4) == 0) hdr = &xsdt; else if (strncmp(aq->aq_tabletype, ACPI_SIG_FADT, 4) == 0) hdr = &fadt; else { continue; } len = strlen(aq->aq_oemid); if (strncmp(aq->aq_oemid, hdr->OemId, len) != 0) continue; if (acpi_quirks_revcmp(aq->aq_oemrev, hdr->OemRevision, aq->aq_cmpop) != 0) continue; len = strlen(aq->aq_tabid); if (strncmp(aq->aq_tabid, hdr->OemTableId, len) != 0) continue; return aq->aq_quirks; } return 0; }
