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-rw-r--r--drivers/acpi/blacklist.c362
1 files changed, 362 insertions, 0 deletions
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
new file mode 100644
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--- /dev/null
+++ b/drivers/acpi/blacklist.c
@@ -0,0 +1,362 @@
+/*
+ * blacklist.c
+ *
+ * Check to see if the given machine has a known bad ACPI BIOS
+ * or if the BIOS is too old.
+ * Check given machine against acpi_osi_dmi_table[].
+ *
+ * Copyright (C) 2004 Len Brown <len.brown@intel.com>
+ * Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+#include <linux/dmi.h>
+
+#include "internal.h"
+
+enum acpi_blacklist_predicates {
+ all_versions,
+ less_than_or_equal,
+ equal,
+ greater_than_or_equal,
+};
+
+struct acpi_blacklist_item {
+ char oem_id[7];
+ char oem_table_id[9];
+ u32 oem_revision;
+ char *table;
+ enum acpi_blacklist_predicates oem_revision_predicate;
+ char *reason;
+ u32 is_critical_error;
+};
+
+static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
+
+/*
+ * POLICY: If *anything* doesn't work, put it on the blacklist.
+ * If they are critical errors, mark it critical, and abort driver load.
+ */
+static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
+ /* Compaq Presario 1700 */
+ {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
+ "Multiple problems", 1},
+ /* Sony FX120, FX140, FX150? */
+ {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
+ "ACPI driver problem", 1},
+ /* Compaq Presario 800, Insyde BIOS */
+ {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
+ "Does not use _REG to protect EC OpRegions", 1},
+ /* IBM 600E - _ADR should return 7, but it returns 1 */
+ {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
+ "Incorrect _ADR", 1},
+
+ {""}
+};
+
+int __init acpi_blacklisted(void)
+{
+ int i = 0;
+ int blacklisted = 0;
+ struct acpi_table_header table_header;
+
+ while (acpi_blacklist[i].oem_id[0] != '\0') {
+ if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
+ i++;
+ continue;
+ }
+
+ if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
+ i++;
+ continue;
+ }
+
+ if (strncmp
+ (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
+ 8)) {
+ i++;
+ continue;
+ }
+
+ if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
+ || (acpi_blacklist[i].oem_revision_predicate ==
+ less_than_or_equal
+ && table_header.oem_revision <=
+ acpi_blacklist[i].oem_revision)
+ || (acpi_blacklist[i].oem_revision_predicate ==
+ greater_than_or_equal
+ && table_header.oem_revision >=
+ acpi_blacklist[i].oem_revision)
+ || (acpi_blacklist[i].oem_revision_predicate == equal
+ && table_header.oem_revision ==
+ acpi_blacklist[i].oem_revision)) {
+
+ printk(KERN_ERR PREFIX
+ "Vendor \"%6.6s\" System \"%8.8s\" "
+ "Revision 0x%x has a known ACPI BIOS problem.\n",
+ acpi_blacklist[i].oem_id,
+ acpi_blacklist[i].oem_table_id,
+ acpi_blacklist[i].oem_revision);
+
+ printk(KERN_ERR PREFIX
+ "Reason: %s. This is a %s error\n",
+ acpi_blacklist[i].reason,
+ (acpi_blacklist[i].
+ is_critical_error ? "non-recoverable" :
+ "recoverable"));
+
+ blacklisted = acpi_blacklist[i].is_critical_error;
+ break;
+ } else {
+ i++;
+ }
+ }
+
+ dmi_check_system(acpi_osi_dmi_table);
+
+ return blacklisted;
+}
+#ifdef CONFIG_DMI
+static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
+{
+ acpi_dmi_osi_linux(1, d); /* enable */
+ return 0;
+}
+static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
+{
+ printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
+ acpi_osi_setup("!Windows 2006");
+ acpi_osi_setup("!Windows 2006 SP1");
+ acpi_osi_setup("!Windows 2006 SP2");
+ return 0;
+}
+static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
+{
+ printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
+ acpi_osi_setup("!Windows 2009");
+ return 0;
+}
+static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)
+{
+ printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
+ acpi_osi_setup("!Windows 2012");
+ return 0;
+}
+
+static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
+ {
+ .callback = dmi_disable_osi_vista,
+ .ident = "Fujitsu Siemens",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
+ },
+ },
+ {
+ /*
+ * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
+ * driver (e.g. nouveau) when user press brightness hotkey.
+ * Currently, nouveau driver didn't do the job and it causes there
+ * have a infinite while loop in DSDT when user press hotkey.
+ * We add MSI GX723's dmi information to this table for workaround
+ * this issue.
+ * Will remove MSI GX723 from the table after nouveau grows support.
+ */
+ .callback = dmi_disable_osi_vista,
+ .ident = "MSI GX723",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_vista,
+ .ident = "Sony VGN-NS10J_S",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_vista,
+ .ident = "Sony VGN-SR290J",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_vista,
+ .ident = "VGN-NS50B_L",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_vista,
+ .ident = "VGN-SR19XN",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR19XN"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_vista,
+ .ident = "Toshiba Satellite L355",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_win7,
+ .ident = "ASUS K50IJ",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_vista,
+ .ident = "Toshiba P305D",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_vista,
+ .ident = "Toshiba NB100",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "NB100"),
+ },
+ },
+
+ /*
+ * The wireless hotkey does not work on those machines when
+ * returning true for _OSI("Windows 2012")
+ */
+ {
+ .callback = dmi_disable_osi_win8,
+ .ident = "Dell Inspiron 7737",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_win8,
+ .ident = "Dell Inspiron 7537",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_win8,
+ .ident = "Dell Inspiron 5437",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_win8,
+ .ident = "Dell Inspiron 3437",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_win8,
+ .ident = "Dell Vostro 3446",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_win8,
+ .ident = "Dell Vostro 3546",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"),
+ },
+ },
+
+ /*
+ * The following Lenovo models have a broken workaround in the
+ * acpi_video backlight implementation to meet the Windows 8
+ * requirement of 101 backlight levels. Reverting to pre-Win8
+ * behavoir fixes the problem.
+ */
+ {
+ .callback = dmi_disable_osi_win8,
+ .ident = "Lenovo ThinkPad T430",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T430"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_win8,
+ .ident = "Lenovo ThinkPad T430s",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T430s"),
+ },
+ },
+ {
+ .callback = dmi_disable_osi_win8,
+ .ident = "Lenovo ThinkPad X230",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X230"),
+ },
+ },
+
+ /*
+ * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
+ * Linux ignores it, except for the machines enumerated below.
+ */
+
+ /*
+ * Without this this EEEpc exports a non working WMI interface, with
+ * this it exports a working "good old" eeepc_laptop interface, fixing
+ * both brightness control, and rfkill not working.
+ */
+ {
+ .callback = dmi_enable_osi_linux,
+ .ident = "Asus EEE PC 1015PX",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),
+ },
+ },
+ {}
+};
+
+#endif /* CONFIG_DMI */