diff options
Diffstat (limited to 'drivers/acpi/blacklist.c')
| -rw-r--r-- | drivers/acpi/blacklist.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c deleted file mode 100644 index bb542acc0574..000000000000 --- a/drivers/acpi/blacklist.c +++ /dev/null @@ -1,203 +0,0 @@ -/* - * 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_rev_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. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - */ - -#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_rev_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++; - } - } - - (void)early_acpi_osi_init(); - dmi_check_system(acpi_rev_dmi_table); - - return blacklisted; -} -#ifdef CONFIG_DMI -#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE -static int __init dmi_enable_rev_override(const struct dmi_system_id *d) -{ - printk(KERN_NOTICE PREFIX "DMI detected: %s (force ACPI _REV to 5)\n", - d->ident); - acpi_rev_override_setup(NULL); - return 0; -} -#endif - -static struct dmi_system_id acpi_rev_dmi_table[] __initdata = { -#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE - /* - * DELL XPS 13 (2015) switches sound between HDA and I2S - * depending on the ACPI _REV callback. If userspace supports - * I2S sufficiently (or if you do not care about sound), you - * can safely disable this quirk. - */ - { - .callback = dmi_enable_rev_override, - .ident = "DELL XPS 13 (2015)", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"), - }, - }, - { - .callback = dmi_enable_rev_override, - .ident = "DELL Precision 5520", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Precision 5520"), - }, - }, - { - .callback = dmi_enable_rev_override, - .ident = "DELL Precision 3520", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"), - }, - }, - /* - * Resolves a quirk with the Dell Latitude 3350 that - * causes the ethernet adapter to not function. - */ - { - .callback = dmi_enable_rev_override, - .ident = "DELL Latitude 3350", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"), - }, - }, - { - .callback = dmi_enable_rev_override, - .ident = "DELL Inspiron 7537", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"), - }, - }, -#endif - {} -}; - -#endif /* CONFIG_DMI */ |