kernel/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  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  24  */
  25
  26 #include <linux/kernel.h>
  27 #include <linux/init.h>
  28 #include <linux/acpi.h>
  29 #include <linux/dmi.h>
  30
  31 #include "internal.h"
  32
  33 enum acpi_blacklist_predicates {
  34         all_versions,
  35         less_than_or_equal,
  36         equal,
  37         greater_than_or_equal,
  38 };
  39
  40 struct acpi_blacklist_item {
  41         char oem_id[7];
  42         char oem_table_id[9];
  43         u32 oem_revision;
  44         char *table;
  45         enum acpi_blacklist_predicates oem_revision_predicate;
  46         char *reason;
  47         u32 is_critical_error;
  48 };
  49
  50 static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
  51
  52 /*
  53  * POLICY: If *anything* doesn't work, put it on the blacklist.
  54  *         If they are critical errors, mark it critical, and abort driver load.
  55  */
  56 static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
  57         /* Compaq Presario 1700 */
  58         {"PTLTD ", "  DSDT  ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
  59          "Multiple problems", 1},
  60         /* Sony FX120, FX140, FX150? */
  61         {"SONY  ", "U0      ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
  62          "ACPI driver problem", 1},
  63         /* Compaq Presario 800, Insyde BIOS */
  64         {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
  65          "Does not use _REG to protect EC OpRegions", 1},
  66         /* IBM 600E - _ADR should return 7, but it returns 1 */
  67         {"IBM   ", "TP600E  ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
  68          "Incorrect _ADR", 1},
  69
  70         {""}
  71 };
  72
  73 int __init acpi_blacklisted(void)
  74 {
  75         int i = 0;
  76         int blacklisted = 0;
  77         struct acpi_table_header table_header;
  78
  79         while (acpi_blacklist[i].oem_id[0] != '\0') {
  80                 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
  81                         i++;
  82                         continue;
  83                 }
  84
  85                 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
  86                         i++;
  87                         continue;
  88                 }
  89
  90                 if (strncmp
  91                     (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
  92                      8)) {
  93                         i++;
  94                         continue;
  95                 }
  96
  97                 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
  98                     || (acpi_blacklist[i].oem_revision_predicate ==
  99                         less_than_or_equal
 100                         && table_header.oem_revision <=
 101                         acpi_blacklist[i].oem_revision)
 102                     || (acpi_blacklist[i].oem_revision_predicate ==
 103                         greater_than_or_equal
 104                         && table_header.oem_revision >=
 105                         acpi_blacklist[i].oem_revision)
 106                     || (acpi_blacklist[i].oem_revision_predicate == equal
 107                         && table_header.oem_revision ==
 108                         acpi_blacklist[i].oem_revision)) {
 109
 110                         printk(KERN_ERR PREFIX
 111                                "Vendor \"%6.6s\" System \"%8.8s\" "
 112                                "Revision 0x%x has a known ACPI BIOS problem.\n",
 113                                acpi_blacklist[i].oem_id,
 114                                acpi_blacklist[i].oem_table_id,
 115                                acpi_blacklist[i].oem_revision);
 116
 117                         printk(KERN_ERR PREFIX
 118                                "Reason: %s. This is a %s error\n",
 119                                acpi_blacklist[i].reason,
 120                                (acpi_blacklist[i].
 121                                 is_critical_error ? "non-recoverable" :
 122                                 "recoverable"));
 123
 124                         blacklisted = acpi_blacklist[i].is_critical_error;
 125                         break;
 126                 } else {
 127                         i++;
 128                 }
 129         }
 130
 131         dmi_check_system(acpi_osi_dmi_table);
 132
 133         return blacklisted;
 134 }
 135 #ifdef CONFIG_DMI
 136 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
 137 {
 138         acpi_dmi_osi_linux(1, d);       /* enable */
 139         return 0;
 140 }
 141 static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
 142 {
 143         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
 144         acpi_osi_setup("!Windows 2006");
 145         acpi_osi_setup("!Windows 2006 SP1");
 146         acpi_osi_setup("!Windows 2006 SP2");
 147         return 0;
 148 }
 149 static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
 150 {
 151         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
 152         acpi_osi_setup("!Windows 2009");
 153         return 0;
 154 }
 155 static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)
 156 {
 157         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
 158         acpi_osi_setup("!Windows 2012");
 159         return 0;
 160 }
 161 #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
 162 static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
 163 {
 164         printk(KERN_NOTICE PREFIX "DMI detected: %s (force ACPI _REV to 5)\n",
 165                d->ident);
 166         acpi_rev_override_setup(NULL);
 167         return 0;
 168 }
 169 #endif
 170
 171 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
 172         {
 173         .callback = dmi_disable_osi_vista,
 174         .ident = "Fujitsu Siemens",
 175         .matches = {
 176                      DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 177                      DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
 178                 },
 179         },
 180         {
 181         /*
 182          * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
 183          * driver (e.g. nouveau) when user press brightness hotkey.
 184          * Currently, nouveau driver didn't do the job and it causes there
 185          * have a infinite while loop in DSDT when user press hotkey.
 186          * We add MSI GX723's dmi information to this table for workaround
 187          * this issue.
 188          * Will remove MSI GX723 from the table after nouveau grows support.
 189          */
 190         .callback = dmi_disable_osi_vista,
 191         .ident = "MSI GX723",
 192         .matches = {
 193                      DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
 194                      DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
 195                 },
 196         },
 197         {
 198         .callback = dmi_disable_osi_vista,
 199         .ident = "Sony VGN-NS10J_S",
 200         .matches = {
 201                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 202                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
 203                 },
 204         },
 205         {
 206         .callback = dmi_disable_osi_vista,
 207         .ident = "Sony VGN-SR290J",
 208         .matches = {
 209                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 210                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),
 211                 },
 212         },
 213         {
 214         .callback = dmi_disable_osi_vista,
 215         .ident = "VGN-NS50B_L",
 216         .matches = {
 217                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 218                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),
 219                 },
 220         },
 221         {
 222         .callback = dmi_disable_osi_vista,
 223         .ident = "VGN-SR19XN",
 224         .matches = {
 225                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 226                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR19XN"),
 227                 },
 228         },
 229         {
 230         .callback = dmi_disable_osi_vista,
 231         .ident = "Toshiba Satellite L355",
 232         .matches = {
 233                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 234                      DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
 235                 },
 236         },
 237         {
 238         .callback = dmi_disable_osi_win7,
 239         .ident = "ASUS K50IJ",
 240         .matches = {
 241                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
 242                      DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
 243                 },
 244         },
 245         {
 246         .callback = dmi_disable_osi_vista,
 247         .ident = "Toshiba P305D",
 248         .matches = {
 249                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 250                      DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
 251                 },
 252         },
 253         {
 254         .callback = dmi_disable_osi_vista,
 255         .ident = "Toshiba NB100",
 256         .matches = {
 257                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 258                      DMI_MATCH(DMI_PRODUCT_NAME, "NB100"),
 259                 },
 260         },
 261
 262         /*
 263          * The wireless hotkey does not work on those machines when
 264          * returning true for _OSI("Windows 2012")
 265          */
 266         {
 267         .callback = dmi_disable_osi_win8,
 268         .ident = "Dell Inspiron 7737",
 269         .matches = {
 270                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 271                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"),
 272                 },
 273         },
 274         {
 275         .callback = dmi_disable_osi_win8,
 276         .ident = "Dell Inspiron 7537",
 277         .matches = {
 278                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 279                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),
 280                 },
 281         },
 282         {
 283         .callback = dmi_disable_osi_win8,
 284         .ident = "Dell Inspiron 5437",
 285         .matches = {
 286                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 287                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"),
 288                 },
 289         },
 290         {
 291         .callback = dmi_disable_osi_win8,
 292         .ident = "Dell Inspiron 3437",
 293         .matches = {
 294                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 295                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"),
 296                 },
 297         },
 298         {
 299         .callback = dmi_disable_osi_win8,
 300         .ident = "Dell Vostro 3446",
 301         .matches = {
 302                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 303                     DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"),
 304                 },
 305         },
 306         {
 307         .callback = dmi_disable_osi_win8,
 308         .ident = "Dell Vostro 3546",
 309         .matches = {
 310                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 311                     DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"),
 312                 },
 313         },
 314
 315         /*
 316          * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
 317          * Linux ignores it, except for the machines enumerated below.
 318          */
 319
 320         /*
 321          * Without this this EEEpc exports a non working WMI interface, with
 322          * this it exports a working "good old" eeepc_laptop interface, fixing
 323          * both brightness control, and rfkill not working.
 324          */
 325         {
 326         .callback = dmi_enable_osi_linux,
 327         .ident = "Asus EEE PC 1015PX",
 328         .matches = {
 329                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
 330                      DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),
 331                 },
 332         },
 333
 334 #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
 335         /*
 336          * DELL XPS 13 (2015) switches sound between HDA and I2S
 337          * depending on the ACPI _REV callback. If userspace supports
 338          * I2S sufficiently (or if you do not care about sound), you
 339          * can safely disable this quirk.
 340          */
 341         {
 342          .callback = dmi_enable_rev_override,
 343          .ident = "DELL XPS 13 (2015)",
 344          .matches = {
 345                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 346                       DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"),
 347                 },
 348         },
 349 #endif
 350         {}
 351 };
 352
 353 #endif /* CONFIG_DMI */