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 <linux/dmi.h>
  34
  35 #include "internal.h"
  36
  37 enum acpi_blacklist_predicates {
  38         all_versions,
  39         less_than_or_equal,
  40         equal,
  41         greater_than_or_equal,
  42 };
  43
  44 struct acpi_blacklist_item {
  45         char oem_id[7];
  46         char oem_table_id[9];
  47         u32 oem_revision;
  48         char *table;
  49         enum acpi_blacklist_predicates oem_revision_predicate;
  50         char *reason;
  51         u32 is_critical_error;
  52 };
  53
  54 static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
  55
  56 /*
  57  * POLICY: If *anything* doesn't work, put it on the blacklist.
  58  *         If they are critical errors, mark it critical, and abort driver load.
  59  */
  60 static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
  61         /* Compaq Presario 1700 */
  62         {"PTLTD ", "  DSDT  ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
  63          "Multiple problems", 1},
  64         /* Sony FX120, FX140, FX150? */
  65         {"SONY  ", "U0      ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
  66          "ACPI driver problem", 1},
  67         /* Compaq Presario 800, Insyde BIOS */
  68         {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
  69          "Does not use _REG to protect EC OpRegions", 1},
  70         /* IBM 600E - _ADR should return 7, but it returns 1 */
  71         {"IBM   ", "TP600E  ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
  72          "Incorrect _ADR", 1},
  73
  74         {""}
  75 };
  76
  77 int __init acpi_blacklisted(void)
  78 {
  79         int i = 0;
  80         int blacklisted = 0;
  81         struct acpi_table_header table_header;
  82
  83         while (acpi_blacklist[i].oem_id[0] != '\0') {
  84                 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
  85                         i++;
  86                         continue;
  87                 }
  88
  89                 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
  90                         i++;
  91                         continue;
  92                 }
  93
  94                 if (strncmp
  95                     (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
  96                      8)) {
  97                         i++;
  98                         continue;
  99                 }
 100
 101                 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
 102                     || (acpi_blacklist[i].oem_revision_predicate ==
 103                         less_than_or_equal
 104                         && table_header.oem_revision <=
 105                         acpi_blacklist[i].oem_revision)
 106                     || (acpi_blacklist[i].oem_revision_predicate ==
 107                         greater_than_or_equal
 108                         && table_header.oem_revision >=
 109                         acpi_blacklist[i].oem_revision)
 110                     || (acpi_blacklist[i].oem_revision_predicate == equal
 111                         && table_header.oem_revision ==
 112                         acpi_blacklist[i].oem_revision)) {
 113
 114                         printk(KERN_ERR PREFIX
 115                                "Vendor \"%6.6s\" System \"%8.8s\" "
 116                                "Revision 0x%x has a known ACPI BIOS problem.\n",
 117                                acpi_blacklist[i].oem_id,
 118                                acpi_blacklist[i].oem_table_id,
 119                                acpi_blacklist[i].oem_revision);
 120
 121                         printk(KERN_ERR PREFIX
 122                                "Reason: %s. This is a %s error\n",
 123                                acpi_blacklist[i].reason,
 124                                (acpi_blacklist[i].
 125                                 is_critical_error ? "non-recoverable" :
 126                                 "recoverable"));
 127
 128                         blacklisted = acpi_blacklist[i].is_critical_error;
 129                         break;
 130                 } else {
 131                         i++;
 132                 }
 133         }
 134
 135         dmi_check_system(acpi_osi_dmi_table);
 136
 137         return blacklisted;
 138 }
 139 #ifdef CONFIG_DMI
 140 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
 141 {
 142         acpi_dmi_osi_linux(1, d);       /* enable */
 143         return 0;
 144 }
 145 static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
 146 {
 147         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
 148         acpi_osi_setup("!Windows 2006");
 149         acpi_osi_setup("!Windows 2006 SP1");
 150         acpi_osi_setup("!Windows 2006 SP2");
 151         return 0;
 152 }
 153 static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
 154 {
 155         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
 156         acpi_osi_setup("!Windows 2009");
 157         return 0;
 158 }
 159 static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)
 160 {
 161         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
 162         acpi_osi_setup("!Windows 2012");
 163         return 0;
 164 }
 165
 166 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
 167         {
 168         .callback = dmi_disable_osi_vista,
 169         .ident = "Fujitsu Siemens",
 170         .matches = {
 171                      DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 172                      DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
 173                 },
 174         },
 175         {
 176         /*
 177          * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
 178          * driver (e.g. nouveau) when user press brightness hotkey.
 179          * Currently, nouveau driver didn't do the job and it causes there
 180          * have a infinite while loop in DSDT when user press hotkey.
 181          * We add MSI GX723's dmi information to this table for workaround
 182          * this issue.
 183          * Will remove MSI GX723 from the table after nouveau grows support.
 184          */
 185         .callback = dmi_disable_osi_vista,
 186         .ident = "MSI GX723",
 187         .matches = {
 188                      DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
 189                      DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
 190                 },
 191         },
 192         {
 193         .callback = dmi_disable_osi_vista,
 194         .ident = "Sony VGN-NS10J_S",
 195         .matches = {
 196                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 197                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
 198                 },
 199         },
 200         {
 201         .callback = dmi_disable_osi_vista,
 202         .ident = "Sony VGN-SR290J",
 203         .matches = {
 204                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 205                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),
 206                 },
 207         },
 208         {
 209         .callback = dmi_disable_osi_vista,
 210         .ident = "VGN-NS50B_L",
 211         .matches = {
 212                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 213                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),
 214                 },
 215         },
 216         {
 217         .callback = dmi_disable_osi_vista,
 218         .ident = "VGN-SR19XN",
 219         .matches = {
 220                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 221                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR19XN"),
 222                 },
 223         },
 224         {
 225         .callback = dmi_disable_osi_vista,
 226         .ident = "Toshiba Satellite L355",
 227         .matches = {
 228                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 229                      DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
 230                 },
 231         },
 232         {
 233         .callback = dmi_disable_osi_win7,
 234         .ident = "ASUS K50IJ",
 235         .matches = {
 236                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
 237                      DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
 238                 },
 239         },
 240         {
 241         .callback = dmi_disable_osi_vista,
 242         .ident = "Toshiba P305D",
 243         .matches = {
 244                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 245                      DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
 246                 },
 247         },
 248         {
 249         .callback = dmi_disable_osi_vista,
 250         .ident = "Toshiba NB100",
 251         .matches = {
 252                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 253                      DMI_MATCH(DMI_PRODUCT_NAME, "NB100"),
 254                 },
 255         },
 256
 257         /*
 258          * The wireless hotkey does not work on those machines when
 259          * returning true for _OSI("Windows 2012")
 260          */
 261         {
 262         .callback = dmi_disable_osi_win8,
 263         .ident = "Dell Inspiron 7737",
 264         .matches = {
 265                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 266                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"),
 267                 },
 268         },
 269         {
 270         .callback = dmi_disable_osi_win8,
 271         .ident = "Dell Inspiron 7537",
 272         .matches = {
 273                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 274                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),
 275                 },
 276         },
 277         {
 278         .callback = dmi_disable_osi_win8,
 279         .ident = "Dell Inspiron 5437",
 280         .matches = {
 281                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 282                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"),
 283                 },
 284         },
 285         {
 286         .callback = dmi_disable_osi_win8,
 287         .ident = "Dell Inspiron 3437",
 288         .matches = {
 289                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 290                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"),
 291                 },
 292         },
 293         {
 294         .callback = dmi_disable_osi_win8,
 295         .ident = "Dell Vostro 3446",
 296         .matches = {
 297                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 298                     DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"),
 299                 },
 300         },
 301         {
 302         .callback = dmi_disable_osi_win8,
 303         .ident = "Dell Vostro 3546",
 304         .matches = {
 305                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 306                     DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"),
 307                 },
 308         },
 309
 310         /*
 311          * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
 312          * Linux ignores it, except for the machines enumerated below.
 313          */
 314
 315         /*
 316          * Without this this EEEpc exports a non working WMI interface, with
 317          * this it exports a working "good old" eeepc_laptop interface, fixing
 318          * both brightness control, and rfkill not working.
 319          */
 320         {
 321         .callback = dmi_enable_osi_linux,
 322         .ident = "Asus EEE PC 1015PX",
 323         .matches = {
 324                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
 325                      DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),
 326                 },
 327         },
 328         {}
 329 };
 330
 331 #endif /* CONFIG_DMI */