Initial import

1 files changed, 362 insertions, 0 deletions

diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
new file mode 100644
index 000000000..b2a314abc
--- /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 */