1 /* $NetBSD: acpi_quirks.c,v 1.6 2005/12/11 12:21:02 christos Exp $ */ 2 3 /* 4 * Copyright 2002 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Frank van der Linden for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include <sys/cdefs.h> 39 40 __KERNEL_RCSID(0, "$NetBSD: acpi_quirks.c,v 1.6 2005/12/11 12:21:02 christos Exp $"); 41 42 #include "opt_acpi.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/device.h> 47 #include <sys/malloc.h> 48 #include <sys/kernel.h> 49 #include <sys/proc.h> 50 51 #include <dev/acpi/acpica.h> 52 #include <dev/acpi/acpireg.h> 53 #include <dev/acpi/acpivar.h> 54 55 static struct acpi_quirk acpi_quirks[] = { 56 /* 57 * This implementation seems to be in widespread use, but 58 * unfortunately, on some systems, it constructs a PCI hierarchy 59 * that doesn't match reality at all (like on SuperMicro boards). 60 */ 61 { "PTLTD ", 0x06040000, ACPI_QUIRK_BADPCI | ACPI_QUIRK_BADIRQ }, 62 /* 63 * This is on my Appro 1224 Xi. It does not find all the busses 64 * in the ACPI tables. 65 */ 66 { "A M I ", 0x02000304, ACPI_QUIRK_BADPCI | ACPI_QUIRK_BADIRQ }, 67 }; 68 69 /* 70 * Simple function to search the quirk table. Only to be used after 71 * AcpiLoadTables has been successfully called. 72 */ 73 int 74 acpi_find_quirks(void) 75 { 76 int i, nquirks; 77 struct acpi_quirk *aqp; 78 79 nquirks = sizeof(acpi_quirks) / sizeof(struct acpi_quirk); 80 81 for (i = 0; i < nquirks; i++) { 82 aqp = &acpi_quirks[i]; 83 if (!strncmp(aqp->aq_oemid, AcpiGbl_XSDT->OemId, strlen(aqp->aq_oemid)) && 84 aqp->aq_oemrev == AcpiGbl_XSDT->OemRevision) 85 return aqp->aq_quirks; 86 } 87 return 0; 88 } 89