*
* 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>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
-
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <acpi/acpi_bus.h>
#include <linux/dmi.h>
-enum acpi_blacklist_predicates
-{
- all_versions,
- less_than_or_equal,
- equal,
- greater_than_or_equal,
+#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;
- acpi_table_type table;
- enum acpi_blacklist_predicates oem_revision_predicate;
- char *reason;
- u32 is_critical_error;
+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 =
-{
+static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
/* Compaq Presario 1700 */
- {"PTLTD ", " DSDT ", 0x06040000, ACPI_DSDT, less_than_or_equal, "Multiple problems", 1},
+ {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
+ "Multiple problems", 1},
/* Sony FX120, FX140, FX150? */
- {"SONY ", "U0 ", 0x20010313, ACPI_DSDT, less_than_or_equal, "ACPI driver problem", 1},
+ {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
+ "ACPI driver problem", 1},
/* Compaq Presario 800, Insyde BIOS */
- {"INT440", "SYSFexxx", 0x00001001, ACPI_DSDT, less_than_or_equal, "Does not use _REG to protect EC OpRegions", 1},
+ {"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_DSDT, less_than_or_equal, "Incorrect _ADR", 1},
- {"ASUS\0\0", "P2B-S ", 0, ACPI_DSDT, all_versions, "Bogus PCI routing", 1},
+ {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
+ "Incorrect _ADR", 1},
{""}
};
-
#if CONFIG_ACPI_BLACKLIST_YEAR
-static int __init
-blacklist_by_year(void)
+static int __init blacklist_by_year(void)
{
int year;
- char *s = dmi_get_system_info(DMI_BIOS_DATE);
-
- if (!s)
- return 0;
- if (!*s)
- return 0;
- s = strrchr(s, '/');
- if (!s)
+ /* Doesn't exist? Likely an old system */
+ if (!dmi_get_date(DMI_BIOS_DATE, &year, NULL, NULL)) {
+ printk(KERN_ERR PREFIX "no DMI BIOS year, "
+ "acpi=force is required to enable ACPI\n" );
+ return 1;
+ }
+ /* 0? Likely a buggy new BIOS */
+ if (year == 0) {
+ printk(KERN_ERR PREFIX "DMI BIOS year==0, "
+ "assuming ACPI-capable machine\n" );
return 0;
-
- s += 1;
-
- year = simple_strtoul(s,NULL,0);
-
- if (year < 100) { /* 2-digit year */
- year += 1900;
- if (year < 1996) /* no dates < spec 1.0 */
- year += 100;
}
-
if (year < CONFIG_ACPI_BLACKLIST_YEAR) {
- printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), "
- "acpi=force is required to enable ACPI\n",
- year, CONFIG_ACPI_BLACKLIST_YEAR);
+ printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), "
+ "acpi=force is required to enable ACPI\n",
+ year, CONFIG_ACPI_BLACKLIST_YEAR);
return 1;
}
return 0;
}
#else
-static inline int blacklist_by_year(void) { return 0; }
+static inline int blacklist_by_year(void)
+{
+ return 0;
+}
#endif
-int __init
-acpi_blacklisted(void)
+int __init acpi_blacklisted(void)
{
int i = 0;
int blacklisted = 0;
- struct acpi_table_header *table_header;
+ struct acpi_table_header table_header;
- while (acpi_blacklist[i].oem_id[0] != '\0')
- {
- if (acpi_get_table_header_early(acpi_blacklist[i].table, &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)) {
+ 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)) {
+ 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 ==
+ 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)) {
+ && 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
+ "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"));
+ 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 {
+ } else {
i++;
}
}
blacklisted += blacklist_by_year();
+ 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");
+ 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"),
+ },
+ },
+ {
+ .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, "Sony VGN-SR290J"),
+ },
+ },
+
+ /*
+ * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
+ * Linux ignores it, except for the machines enumerated below.
+ */
+
+ /*
+ * Lenovo has a mix of systems OSI(Linux) situations
+ * and thus we can not wildcard the vendor.
+ *
+ * _OSI(Linux) helps sound
+ * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
+ * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
+ * T400, T500
+ * _OSI(Linux) has Linux specific hooks
+ * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
+ * _OSI(Linux) is a NOP:
+ * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
+ * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
+ */
+ {
+ .callback = dmi_enable_osi_linux,
+ .ident = "Lenovo ThinkPad R61",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
+ },
+ },
+ {
+ .callback = dmi_enable_osi_linux,
+ .ident = "Lenovo ThinkPad T61",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
+ },
+ },
+ {
+ .callback = dmi_enable_osi_linux,
+ .ident = "Lenovo ThinkPad X61",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
+ },
+ },
+ {
+ .callback = dmi_enable_osi_linux,
+ .ident = "Lenovo ThinkPad T400",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"),
+ },
+ },
+ {
+ .callback = dmi_enable_osi_linux,
+ .ident = "Lenovo ThinkPad T500",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"),
+ },
+ },
+ {}
+};
+#endif /* CONFIG_DMI */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff