drivers/acpi/blacklist.c

   1 /*
   2  *  blacklist.c
   3  *
   4  *  Check to see if the given machine has a known bad ACPI BIOS
   5  *  or if the BIOS is too old.
   6  *  Check given machine against acpi_osi_dmi_table[].
   7  *
   8  *  Copyright (C) 2004 Len Brown <len.brown@intel.com>
   9  *  Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
  10  *
  11  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or (at
  16  *  your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful, but
  19  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21  *  General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License along
  24  *  with this program; if not, write to the Free Software Foundation, Inc.,
  25  *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  26  *
  27  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  28  */
  29
  30 #include <linux/kernel.h>
  31 #include <linux/init.h>
  32 #include <linux/acpi.h>
  33 #include <acpi/acpi_bus.h>
  34 #include <linux/dmi.h>
  35
  36 #include "internal.h"
  37
  38 enum acpi_blacklist_predicates {
  39         all_versions,
  40         less_than_or_equal,
  41         equal,
  42         greater_than_or_equal,
  43 };
  44
  45 struct acpi_blacklist_item {
  46         char oem_id[7];
  47         char oem_table_id[9];
  48         u32 oem_revision;
  49         char *table;
  50         enum acpi_blacklist_predicates oem_revision_predicate;
  51         char *reason;
  52         u32 is_critical_error;
  53 };
  54
  55 static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
  56
  57 /*
  58  * POLICY: If *anything* doesn't work, put it on the blacklist.
  59  *         If they are critical errors, mark it critical, and abort driver load.
  60  */
  61 static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
  62         /* Compaq Presario 1700 */
  63         {"PTLTD ", "  DSDT  ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
  64          "Multiple problems", 1},
  65         /* Sony FX120, FX140, FX150? */
  66         {"SONY  ", "U0      ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
  67          "ACPI driver problem", 1},
  68         /* Compaq Presario 800, Insyde BIOS */
  69         {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
  70          "Does not use _REG to protect EC OpRegions", 1},
  71         /* IBM 600E - _ADR should return 7, but it returns 1 */
  72         {"IBM   ", "TP600E  ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
  73          "Incorrect _ADR", 1},
  74
  75         {""}
  76 };
  77
  78 int __init acpi_blacklisted(void)
  79 {
  80         int i = 0;
  81         int blacklisted = 0;
  82         struct acpi_table_header table_header;
  83
  84         while (acpi_blacklist[i].oem_id[0] != '\0') {
  85                 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
  86                         i++;
  87                         continue;
  88                 }
  89
  90                 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
  91                         i++;
  92                         continue;
  93                 }
  94
  95                 if (strncmp
  96                     (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
  97                      8)) {
  98                         i++;
  99                         continue;
 100                 }
 101
 102                 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
 103                     || (acpi_blacklist[i].oem_revision_predicate ==
 104                         less_than_or_equal
 105                         && table_header.oem_revision <=
 106                         acpi_blacklist[i].oem_revision)
 107                     || (acpi_blacklist[i].oem_revision_predicate ==
 108                         greater_than_or_equal
 109                         && table_header.oem_revision >=
 110                         acpi_blacklist[i].oem_revision)
 111                     || (acpi_blacklist[i].oem_revision_predicate == equal
 112                         && table_header.oem_revision ==
 113                         acpi_blacklist[i].oem_revision)) {
 114
 115                         printk(KERN_ERR PREFIX
 116                                "Vendor \"%6.6s\" System \"%8.8s\" "
 117                                "Revision 0x%x has a known ACPI BIOS problem.\n",
 118                                acpi_blacklist[i].oem_id,
 119                                acpi_blacklist[i].oem_table_id,
 120                                acpi_blacklist[i].oem_revision);
 121
 122                         printk(KERN_ERR PREFIX
 123                                "Reason: %s. This is a %s error\n",
 124                                acpi_blacklist[i].reason,
 125                                (acpi_blacklist[i].
 126                                 is_critical_error ? "non-recoverable" :
 127                                 "recoverable"));
 128
 129                         blacklisted = acpi_blacklist[i].is_critical_error;
 130                         break;
 131                 } else {
 132                         i++;
 133                 }
 134         }
 135
 136         dmi_check_system(acpi_osi_dmi_table);
 137
 138         return blacklisted;
 139 }
 140 #ifdef CONFIG_DMI
 141 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
 142 {
 143         acpi_dmi_osi_linux(1, d);       /* enable */
 144         return 0;
 145 }
 146 static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
 147 {
 148         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
 149         acpi_osi_setup("!Windows 2006");
 150         acpi_osi_setup("!Windows 2006 SP1");
 151         acpi_osi_setup("!Windows 2006 SP2");
 152         return 0;
 153 }
 154 static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
 155 {
 156         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
 157         acpi_osi_setup("!Windows 2009");
 158         return 0;
 159 }
 160 static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)
 161 {
 162         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
 163         acpi_osi_setup("!Windows 2012");
 164         return 0;
 165 }
 166
 167 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
 168         {
 169         .callback = dmi_disable_osi_vista,
 170         .ident = "Fujitsu Siemens",
 171         .matches = {
 172                      DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 173                      DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
 174                 },
 175         },
 176         {
 177         /*
 178          * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
 179          * driver (e.g. nouveau) when user press brightness hotkey.
 180          * Currently, nouveau driver didn't do the job and it causes there
 181          * have a infinite while loop in DSDT when user press hotkey.
 182          * We add MSI GX723's dmi information to this table for workaround
 183          * this issue.
 184          * Will remove MSI GX723 from the table after nouveau grows support.
 185          */
 186         .callback = dmi_disable_osi_vista,
 187         .ident = "MSI GX723",
 188         .matches = {
 189                      DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
 190                      DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
 191                 },
 192         },
 193         {
 194         .callback = dmi_disable_osi_vista,
 195         .ident = "Sony VGN-NS10J_S",
 196         .matches = {
 197                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 198                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
 199                 },
 200         },
 201         {
 202         .callback = dmi_disable_osi_vista,
 203         .ident = "Sony VGN-SR290J",
 204         .matches = {
 205                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 206                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),
 207                 },
 208         },
 209         {
 210         .callback = dmi_disable_osi_vista,
 211         .ident = "VGN-NS50B_L",
 212         .matches = {
 213                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 214                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),
 215                 },
 216         },
 217         {
 218         .callback = dmi_disable_osi_vista,
 219         .ident = "Toshiba Satellite L355",
 220         .matches = {
 221                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 222                      DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
 223                 },
 224         },
 225         {
 226         .callback = dmi_disable_osi_win7,
 227         .ident = "ASUS K50IJ",
 228         .matches = {
 229                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
 230                      DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
 231                 },
 232         },
 233         {
 234         .callback = dmi_disable_osi_vista,
 235         .ident = "Toshiba P305D",
 236         .matches = {
 237                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 238                      DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
 239                 },
 240         },
 241         {
 242         .callback = dmi_disable_osi_win8,
 243         .ident = "ASUS Zenbook Prime UX31A",
 244         .matches = {
 245                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 246                      DMI_MATCH(DMI_PRODUCT_NAME, "UX31A"),
 247                 },
 248         },
 249         {
 250         .callback = dmi_disable_osi_win8,
 251         .ident = "Dell Inspiron 15R SE",
 252         .matches = {
 253                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 254                      DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"),
 255                 },
 256         },
 257         {
 258         .callback = dmi_disable_osi_win8,
 259         .ident = "Lenovo ThinkPad Edge E530",
 260         .matches = {
 261                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 262                      DMI_MATCH(DMI_PRODUCT_VERSION, "3259A2G"),
 263                 },
 264         },
 265
 266         /*
 267          * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
 268          * Linux ignores it, except for the machines enumerated below.
 269          */
 270
 271         /*
 272          * Lenovo has a mix of systems OSI(Linux) situations
 273          * and thus we can not wildcard the vendor.
 274          *
 275          * _OSI(Linux) helps sound
 276          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
 277          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
 278          * T400, T500
 279          * _OSI(Linux) has Linux specific hooks
 280          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
 281          * _OSI(Linux) is a NOP:
 282          * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
 283          * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
 284          */
 285         {
 286         .callback = dmi_enable_osi_linux,
 287         .ident = "Lenovo ThinkPad R61",
 288         .matches = {
 289                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 290                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
 291                 },
 292         },
 293         {
 294         .callback = dmi_enable_osi_linux,
 295         .ident = "Lenovo ThinkPad T61",
 296         .matches = {
 297                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 298                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
 299                 },
 300         },
 301         {
 302         .callback = dmi_enable_osi_linux,
 303         .ident = "Lenovo ThinkPad X61",
 304         .matches = {
 305                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 306                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
 307                 },
 308         },
 309         {
 310         .callback = dmi_enable_osi_linux,
 311         .ident = "Lenovo ThinkPad T400",
 312         .matches = {
 313                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 314                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"),
 315                 },
 316         },
 317         {
 318         .callback = dmi_enable_osi_linux,
 319         .ident = "Lenovo ThinkPad T500",
 320         .matches = {
 321                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 322                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"),
 323                 },
 324         },
 325         {}
 326 };
 327
 328 #endif /* CONFIG_DMI */