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c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * blacklist.c | |
4 | * | |
5 | * Check to see if the given machine has a known bad ACPI BIOS | |
6 | * or if the BIOS is too old. | |
e5f660eb | 7 | * Check given machine against acpi_rev_dmi_table[]. |
1da177e4 LT |
8 | * |
9 | * Copyright (C) 2004 Len Brown <len.brown@intel.com> | |
10 | * Copyright (C) 2002 Andy Grover <andrew.grover@intel.com> | |
1da177e4 LT |
11 | */ |
12 | ||
1da177e4 | 13 | #include <linux/kernel.h> |
1da177e4 LT |
14 | #include <linux/init.h> |
15 | #include <linux/acpi.h> | |
1da177e4 LT |
16 | #include <linux/dmi.h> |
17 | ||
a192a958 LB |
18 | #include "internal.h" |
19 | ||
b80d6a42 | 20 | #ifdef CONFIG_DMI |
6faadbbb | 21 | static const struct dmi_system_id acpi_rev_dmi_table[] __initconst; |
b80d6a42 | 22 | #endif |
d4b7dc49 | 23 | |
1da177e4 LT |
24 | /* |
25 | * POLICY: If *anything* doesn't work, put it on the blacklist. | |
26 | * If they are critical errors, mark it critical, and abort driver load. | |
27 | */ | |
5aa5911a | 28 | static struct acpi_platform_list acpi_blacklist[] __initdata = { |
1da177e4 | 29 | /* Compaq Presario 1700 */ |
ad71860a | 30 | {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 31 | "Multiple problems", 1}, |
1da177e4 | 32 | /* Sony FX120, FX140, FX150? */ |
ad71860a | 33 | {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 34 | "ACPI driver problem", 1}, |
1da177e4 | 35 | /* Compaq Presario 800, Insyde BIOS */ |
ad71860a | 36 | {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 37 | "Does not use _REG to protect EC OpRegions", 1}, |
1da177e4 | 38 | /* IBM 600E - _ADR should return 7, but it returns 1 */ |
ad71860a | 39 | {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 40 | "Incorrect _ADR", 1}, |
1da177e4 | 41 | |
5aa5911a | 42 | { } |
1da177e4 LT |
43 | }; |
44 | ||
4be44fcd | 45 | int __init acpi_blacklisted(void) |
1da177e4 | 46 | { |
5aa5911a | 47 | int i; |
1da177e4 | 48 | int blacklisted = 0; |
4be44fcd | 49 | |
5aa5911a TK |
50 | i = acpi_match_platform_list(acpi_blacklist); |
51 | if (i >= 0) { | |
52 | pr_err(PREFIX "Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n", | |
53 | acpi_blacklist[i].oem_id, | |
54 | acpi_blacklist[i].oem_table_id, | |
55 | acpi_blacklist[i].oem_revision); | |
4be44fcd | 56 | |
5aa5911a TK |
57 | pr_err(PREFIX "Reason: %s. This is a %s error\n", |
58 | acpi_blacklist[i].reason, | |
59 | (acpi_blacklist[i].data ? | |
60 | "non-recoverable" : "recoverable")); | |
1da177e4 | 61 | |
5aa5911a | 62 | blacklisted = acpi_blacklist[i].data; |
1da177e4 LT |
63 | } |
64 | ||
e5f660eb | 65 | (void)early_acpi_osi_init(); |
b80d6a42 | 66 | #ifdef CONFIG_DMI |
e5f660eb | 67 | dmi_check_system(acpi_rev_dmi_table); |
b80d6a42 | 68 | #endif |
d4b7dc49 | 69 | |
1da177e4 LT |
70 | return blacklisted; |
71 | } | |
d4b7dc49 | 72 | #ifdef CONFIG_DMI |
18d78b64 RW |
73 | #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE |
74 | static int __init dmi_enable_rev_override(const struct dmi_system_id *d) | |
75 | { | |
76 | printk(KERN_NOTICE PREFIX "DMI detected: %s (force ACPI _REV to 5)\n", | |
77 | d->ident); | |
78 | acpi_rev_override_setup(NULL); | |
79 | return 0; | |
80 | } | |
81 | #endif | |
a1bd4e35 | 82 | |
6faadbbb | 83 | static const struct dmi_system_id acpi_rev_dmi_table[] __initconst = { |
18d78b64 RW |
84 | #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE |
85 | /* | |
86 | * DELL XPS 13 (2015) switches sound between HDA and I2S | |
87 | * depending on the ACPI _REV callback. If userspace supports | |
88 | * I2S sufficiently (or if you do not care about sound), you | |
89 | * can safely disable this quirk. | |
90 | */ | |
91 | { | |
92 | .callback = dmi_enable_rev_override, | |
93 | .ident = "DELL XPS 13 (2015)", | |
94 | .matches = { | |
95 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
96 | DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"), | |
97 | }, | |
98 | }, | |
9523b9bf AH |
99 | { |
100 | .callback = dmi_enable_rev_override, | |
101 | .ident = "DELL Precision 5520", | |
102 | .matches = { | |
103 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
104 | DMI_MATCH(DMI_PRODUCT_NAME, "Precision 5520"), | |
105 | }, | |
106 | }, | |
107 | { | |
108 | .callback = dmi_enable_rev_override, | |
109 | .ident = "DELL Precision 3520", | |
110 | .matches = { | |
111 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
112 | DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"), | |
113 | }, | |
114 | }, | |
708f5dcc MP |
115 | /* |
116 | * Resolves a quirk with the Dell Latitude 3350 that | |
117 | * causes the ethernet adapter to not function. | |
118 | */ | |
119 | { | |
120 | .callback = dmi_enable_rev_override, | |
121 | .ident = "DELL Latitude 3350", | |
122 | .matches = { | |
123 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
124 | DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"), | |
125 | }, | |
126 | }, | |
2cff319e KHF |
127 | { |
128 | .callback = dmi_enable_rev_override, | |
129 | .ident = "DELL Inspiron 7537", | |
130 | .matches = { | |
131 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
132 | DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"), | |
133 | }, | |
134 | }, | |
18d78b64 | 135 | #endif |
d4b7dc49 LB |
136 | {} |
137 | }; | |
138 | ||
139 | #endif /* CONFIG_DMI */ |