| 1 | /* $NetBSD: acpi_quirks.c,v 1.20 2011/11/14 02:44:59 jmcneill Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2011 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | /* |
| 31 | * Copyright 2002 Wasabi Systems, Inc. |
| 32 | * All rights reserved. |
| 33 | * |
| 34 | * Written by Frank van der Linden for Wasabi Systems, Inc. |
| 35 | * |
| 36 | * Redistribution and use in source and binary forms, with or without |
| 37 | * modification, are permitted provided that the following conditions |
| 38 | * are met: |
| 39 | * 1. Redistributions of source code must retain the above copyright |
| 40 | * notice, this list of conditions and the following disclaimer. |
| 41 | * 2. Redistributions in binary form must reproduce the above copyright |
| 42 | * notice, this list of conditions and the following disclaimer in the |
| 43 | * documentation and/or other materials provided with the distribution. |
| 44 | * 3. All advertising materials mentioning features or use of this software |
| 45 | * must display the following acknowledgement: |
| 46 | * This product includes software developed for the NetBSD Project by |
| 47 | * Wasabi Systems, Inc. |
| 48 | * 4. The name of Wasabi Systems, Inc. may not be used to endorse |
| 49 | * or promote products derived from this software without specific prior |
| 50 | * written permission. |
| 51 | * |
| 52 | * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND |
| 53 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 54 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 55 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC |
| 56 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 57 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 58 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 59 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 60 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 61 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 62 | * POSSIBILITY OF SUCH DAMAGE. |
| 63 | */ |
| 64 | |
| 65 | #include <sys/cdefs.h> |
| 66 | |
| 67 | __KERNEL_RCSID(0, "$NetBSD: acpi_quirks.c,v 1.20 2011/11/14 02:44:59 jmcneill Exp $" ); |
| 68 | |
| 69 | #include "opt_acpi.h" |
| 70 | |
| 71 | #include <sys/param.h> |
| 72 | |
| 73 | #include <dev/acpi/acpireg.h> |
| 74 | #include <dev/acpi/acpivar.h> |
| 75 | |
| 76 | #define _COMPONENT ACPI_UTILITIES |
| 77 | ACPI_MODULE_NAME ("acpi_quirks" ) |
| 78 | |
| 79 | #define AQ_GT 0 /* > */ |
| 80 | #define AQ_LT 1 /* < */ |
| 81 | #define AQ_GTE 2 /* >= */ |
| 82 | #define AQ_LTE 3 /* <= */ |
| 83 | #define AQ_EQ 4 /* == */ |
| 84 | |
| 85 | static int acpi_quirks_revcmp(uint32_t, uint32_t, int); |
| 86 | |
| 87 | static struct acpi_quirk acpi_quirks[] = { |
| 88 | |
| 89 | { ACPI_SIG_FADT, "ASUS " , 0x30303031, AQ_LTE, "CUV4X-D " , |
| 90 | ACPI_QUIRK_BROKEN }, |
| 91 | |
| 92 | { ACPI_SIG_FADT, "PTLTD " , 0x06040000, AQ_LTE, " FACP " , |
| 93 | ACPI_QUIRK_BROKEN }, |
| 94 | |
| 95 | { ACPI_SIG_FADT, "NVIDIA" , 0x06040000, AQ_EQ, "CK8 " , |
| 96 | ACPI_QUIRK_IRQ0 }, |
| 97 | |
| 98 | { ACPI_SIG_FADT, "HP " , 0x06040012, AQ_LTE, "HWPC20F " , |
| 99 | ACPI_QUIRK_BROKEN }, |
| 100 | }; |
| 101 | |
| 102 | static int |
| 103 | acpi_quirks_revcmp(uint32_t tabval, uint32_t wanted, int op) |
| 104 | { |
| 105 | |
| 106 | switch (op) { |
| 107 | |
| 108 | case AQ_GT: |
| 109 | return (tabval > wanted) ? 0 : 1; |
| 110 | |
| 111 | case AQ_LT: |
| 112 | return (tabval < wanted) ? 0 : 1; |
| 113 | |
| 114 | case AQ_LTE: |
| 115 | return (tabval <= wanted) ? 0 : 1; |
| 116 | |
| 117 | case AQ_GTE: |
| 118 | return (tabval >= wanted) ? 0 : 1; |
| 119 | |
| 120 | case AQ_EQ: |
| 121 | return (tabval == wanted) ? 0 : 1; |
| 122 | |
| 123 | default: |
| 124 | return 1; |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | #ifdef ACPI_BLACKLIST_YEAR |
| 129 | static int |
| 130 | acpi_quirks_bios_year(void) |
| 131 | { |
| 132 | const char *datestr = pmf_get_platform("bios-date" ); |
| 133 | unsigned long date; |
| 134 | |
| 135 | if (datestr == NULL) |
| 136 | return -1; |
| 137 | |
| 138 | date = strtoul(datestr, NULL, 10); |
| 139 | if (date == 0 || date == ULONG_MAX) |
| 140 | return -1; |
| 141 | if (date < 19000000 || date > 99999999) |
| 142 | return -1; |
| 143 | return date / 10000; |
| 144 | } |
| 145 | #endif |
| 146 | |
| 147 | /* |
| 148 | * Simple function to search the quirk table. Only to be |
| 149 | * used after AcpiLoadTables() has been successfully called. |
| 150 | */ |
| 151 | int |
| 152 | acpi_find_quirks(void) |
| 153 | { |
| 154 | ACPI_TABLE_HEADER fadt, dsdt, xsdt, *hdr; |
| 155 | struct acpi_quirk *aq; |
| 156 | ACPI_STATUS rv; |
| 157 | size_t i, len; |
| 158 | |
| 159 | #ifdef ACPI_BLACKLIST_YEAR |
| 160 | int year = acpi_quirks_bios_year(); |
| 161 | |
| 162 | if (year != -1 && year <= ACPI_BLACKLIST_YEAR) |
| 163 | return ACPI_QUIRK_OLDBIOS; |
| 164 | #endif |
| 165 | |
| 166 | rv = AcpiGetTableHeader(ACPI_SIG_FADT, 0, &fadt); |
| 167 | |
| 168 | if (ACPI_FAILURE(rv)) |
| 169 | (void)memset(&fadt, 0, sizeof(fadt)); |
| 170 | |
| 171 | rv = AcpiGetTableHeader(ACPI_SIG_DSDT, 0, &dsdt); |
| 172 | |
| 173 | if (ACPI_FAILURE(rv)) |
| 174 | (void)memset(&dsdt, 0, sizeof(dsdt)); |
| 175 | |
| 176 | rv = AcpiGetTableHeader(ACPI_SIG_XSDT, 0, &xsdt); |
| 177 | |
| 178 | if (ACPI_FAILURE(rv)) |
| 179 | (void)memset(&xsdt, 0, sizeof(xsdt)); |
| 180 | |
| 181 | for (i = 0; i < __arraycount(acpi_quirks); i++) { |
| 182 | |
| 183 | aq = &acpi_quirks[i]; |
| 184 | |
| 185 | if (strncmp(aq->aq_tabletype, ACPI_SIG_DSDT, 4) == 0) |
| 186 | hdr = &dsdt; |
| 187 | else if (strncmp(aq->aq_tabletype, ACPI_SIG_XSDT, 4) == 0) |
| 188 | hdr = &xsdt; |
| 189 | else if (strncmp(aq->aq_tabletype, ACPI_SIG_FADT, 4) == 0) |
| 190 | hdr = &fadt; |
| 191 | else { |
| 192 | continue; |
| 193 | } |
| 194 | |
| 195 | len = strlen(aq->aq_oemid); |
| 196 | |
| 197 | if (strncmp(aq->aq_oemid, hdr->OemId, len) != 0) |
| 198 | continue; |
| 199 | |
| 200 | if (acpi_quirks_revcmp(aq->aq_oemrev, |
| 201 | hdr->OemRevision, aq->aq_cmpop) != 0) |
| 202 | continue; |
| 203 | |
| 204 | len = strlen(aq->aq_tabid); |
| 205 | |
| 206 | if (strncmp(aq->aq_tabid, hdr->OemTableId, len) != 0) |
| 207 | continue; |
| 208 | |
| 209 | return aq->aq_quirks; |
| 210 | } |
| 211 | |
| 212 | return 0; |
| 213 | } |
| 214 | |
| 215 | /* |
| 216 | * Add or delete a string to the list that should return |
| 217 | * true when _OSI is being queried. The defaults are: |
| 218 | * |
| 219 | * "Windows 2000" # Windows 2000 |
| 220 | * "Windows 2001" # Windows XP |
| 221 | * "Windows 2001 SP1" # Windows XP SP1 |
| 222 | * "Windows 2001.1" # Windows Server 2003 |
| 223 | * "Windows 2001 SP2" # Windows XP SP2 |
| 224 | * "Windows 2001.1 SP1" # Windows Server 2003 SP1 |
| 225 | * "Windows 2006" # Windows Vista |
| 226 | * "Windows 2006.1" # Windows Server 2008 |
| 227 | * "Windows 2006 SP1" # Windows Vista SP1 |
| 228 | * "Windows 2006 SP2" # Windows Vista SP2 |
| 229 | * "Windows 2009" # Windows 7 and Server 2008 |
| 230 | */ |
| 231 | int |
| 232 | acpi_quirks_osi_add(const char *str) |
| 233 | { |
| 234 | ACPI_STATUS rv; |
| 235 | |
| 236 | if (str == NULL || *str == '\0') |
| 237 | return EINVAL; |
| 238 | |
| 239 | rv = AcpiInstallInterface(__UNCONST(str)); |
| 240 | |
| 241 | return (rv != AE_OK) ? EIO : 0; |
| 242 | } |
| 243 | |
| 244 | int |
| 245 | acpi_quirks_osi_del(const char *str) |
| 246 | { |
| 247 | ACPI_STATUS rv; |
| 248 | |
| 249 | if (str == NULL || *str == '\0') |
| 250 | return EINVAL; |
| 251 | |
| 252 | rv = AcpiRemoveInterface(__UNCONST(str)); |
| 253 | |
| 254 | return (rv != AE_OK) ? EIO : 0; |
| 255 | } |
| 256 | |
| 257 | #if 0 |
| 258 | static void |
| 259 | acpi_quirks_osi_linux(void) |
| 260 | { |
| 261 | (void)acpi_quirks_osi_add("Linux" ); |
| 262 | } |
| 263 | |
| 264 | static void |
| 265 | acpi_quirks_osi_vista(void) |
| 266 | { |
| 267 | (void)acpi_quirks_osi_del("Windows 2006" ); |
| 268 | (void)acpi_quirks_osi_del("Windows 2006 SP1" ); |
| 269 | (void)acpi_quirks_osi_del("Windows 2006 SP2" ); |
| 270 | } |
| 271 | #endif |
| 272 | |