diff options
Diffstat (limited to 'kernel/drivers/acpi/blacklist.c')
| -rw-r--r-- | kernel/drivers/acpi/blacklist.c | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/kernel/drivers/acpi/blacklist.c b/kernel/drivers/acpi/blacklist.c new file mode 100644 index 000000000..1d1791935 --- /dev/null +++ b/kernel/drivers/acpi/blacklist.c @@ -0,0 +1,331 @@ +/* + * 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"), + }, + }, + + /* + * 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 */ |