mirror of
https://github.com/adulau/aha.git
synced 2024-12-30 12:46:17 +00:00
a6e0887f21
Linux will continue to ignore OSI(Linux), except for a white-list containing a few systems. So delete the black-list, and stop soliciting user-feedback on the console. Signed-off-by: Len Brown <len.brown@intel.com>
241 lines
6.5 KiB
C
241 lines
6.5 KiB
C
/*
|
|
* 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/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/acpi.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,
|
|
};
|
|
|
|
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},
|
|
|
|
{""}
|
|
};
|
|
|
|
#if CONFIG_ACPI_BLACKLIST_YEAR
|
|
|
|
static int __init blacklist_by_year(void)
|
|
{
|
|
int year = dmi_get_year(DMI_BIOS_DATE);
|
|
/* Doesn't exist? Likely an old system */
|
|
if (year == -1) {
|
|
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;
|
|
}
|
|
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);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
#else
|
|
static inline int blacklist_by_year(void)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
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++;
|
|
}
|
|
}
|
|
|
|
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"),
|
|
},
|
|
},
|
|
|
|
/*
|
|
* 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"),
|
|
* _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"),
|
|
},
|
|
},
|
|
{}
|
|
};
|
|
|
|
#endif /* CONFIG_DMI */
|