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139 lines
3.7 KiB
139 lines
3.7 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* blacklist.c |
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* |
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* Check to see if the given machine has a known bad ACPI BIOS |
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* or if the BIOS is too old. |
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* Check given machine against acpi_rev_dmi_table[]. |
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* |
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* Copyright (C) 2004 Len Brown <[email protected]> |
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* Copyright (C) 2002 Andy Grover <[email protected]> |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/acpi.h> |
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#include <linux/dmi.h> |
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#include "internal.h" |
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#ifdef CONFIG_DMI |
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static const struct dmi_system_id acpi_rev_dmi_table[] __initconst; |
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#endif |
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/* |
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* POLICY: If *anything* doesn't work, put it on the blacklist. |
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* If they are critical errors, mark it critical, and abort driver load. |
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*/ |
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static struct acpi_platform_list acpi_blacklist[] __initdata = { |
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/* Compaq Presario 1700 */ |
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{"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal, |
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"Multiple problems", 1}, |
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/* Sony FX120, FX140, FX150? */ |
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{"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal, |
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"ACPI driver problem", 1}, |
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/* Compaq Presario 800, Insyde BIOS */ |
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{"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal, |
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"Does not use _REG to protect EC OpRegions", 1}, |
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/* IBM 600E - _ADR should return 7, but it returns 1 */ |
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{"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal, |
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"Incorrect _ADR", 1}, |
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{ } |
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}; |
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int __init acpi_blacklisted(void) |
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{ |
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int i; |
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int blacklisted = 0; |
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i = acpi_match_platform_list(acpi_blacklist); |
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if (i >= 0) { |
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pr_err(PREFIX "Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n", |
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acpi_blacklist[i].oem_id, |
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acpi_blacklist[i].oem_table_id, |
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acpi_blacklist[i].oem_revision); |
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pr_err(PREFIX "Reason: %s. This is a %s error\n", |
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acpi_blacklist[i].reason, |
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(acpi_blacklist[i].data ? |
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"non-recoverable" : "recoverable")); |
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blacklisted = acpi_blacklist[i].data; |
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} |
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(void)early_acpi_osi_init(); |
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#ifdef CONFIG_DMI |
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dmi_check_system(acpi_rev_dmi_table); |
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#endif |
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return blacklisted; |
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} |
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#ifdef CONFIG_DMI |
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#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE |
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static int __init dmi_enable_rev_override(const struct dmi_system_id *d) |
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{ |
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printk(KERN_NOTICE PREFIX "DMI detected: %s (force ACPI _REV to 5)\n", |
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d->ident); |
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acpi_rev_override_setup(NULL); |
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return 0; |
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} |
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#endif |
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static const struct dmi_system_id acpi_rev_dmi_table[] __initconst = { |
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#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE |
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/* |
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* DELL XPS 13 (2015) switches sound between HDA and I2S |
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* depending on the ACPI _REV callback. If userspace supports |
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* I2S sufficiently (or if you do not care about sound), you |
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* can safely disable this quirk. |
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*/ |
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{ |
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.callback = dmi_enable_rev_override, |
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.ident = "DELL XPS 13 (2015)", |
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.matches = { |
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
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DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"), |
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}, |
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}, |
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{ |
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.callback = dmi_enable_rev_override, |
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.ident = "DELL Precision 5520", |
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.matches = { |
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
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DMI_MATCH(DMI_PRODUCT_NAME, "Precision 5520"), |
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}, |
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}, |
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{ |
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.callback = dmi_enable_rev_override, |
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.ident = "DELL Precision 3520", |
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.matches = { |
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
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DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"), |
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}, |
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}, |
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/* |
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* Resolves a quirk with the Dell Latitude 3350 that |
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* causes the ethernet adapter to not function. |
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*/ |
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{ |
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.callback = dmi_enable_rev_override, |
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.ident = "DELL Latitude 3350", |
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.matches = { |
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
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DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"), |
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}, |
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}, |
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{ |
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.callback = dmi_enable_rev_override, |
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.ident = "DELL Inspiron 7537", |
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.matches = { |
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
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DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"), |
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}, |
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}, |
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#endif |
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{} |
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}; |
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#endif /* CONFIG_DMI */
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