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  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 */
  354.