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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 | ||
007b3e53 HG |
13 | #define pr_fmt(fmt) "ACPI: " fmt |
14 | ||
1da177e4 | 15 | #include <linux/kernel.h> |
1da177e4 LT |
16 | #include <linux/init.h> |
17 | #include <linux/acpi.h> | |
1da177e4 LT |
18 | #include <linux/dmi.h> |
19 | ||
a192a958 LB |
20 | #include "internal.h" |
21 | ||
b80d6a42 | 22 | #ifdef CONFIG_DMI |
6faadbbb | 23 | static const struct dmi_system_id acpi_rev_dmi_table[] __initconst; |
b80d6a42 | 24 | #endif |
d4b7dc49 | 25 | |
1da177e4 LT |
26 | /* |
27 | * POLICY: If *anything* doesn't work, put it on the blacklist. | |
28 | * If they are critical errors, mark it critical, and abort driver load. | |
29 | */ | |
5aa5911a | 30 | static struct acpi_platform_list acpi_blacklist[] __initdata = { |
1da177e4 | 31 | /* Compaq Presario 1700 */ |
ad71860a | 32 | {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 33 | "Multiple problems", 1}, |
1da177e4 | 34 | /* Sony FX120, FX140, FX150? */ |
ad71860a | 35 | {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 36 | "ACPI driver problem", 1}, |
1da177e4 | 37 | /* Compaq Presario 800, Insyde BIOS */ |
ad71860a | 38 | {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 39 | "Does not use _REG to protect EC OpRegions", 1}, |
1da177e4 | 40 | /* IBM 600E - _ADR should return 7, but it returns 1 */ |
ad71860a | 41 | {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 42 | "Incorrect _ADR", 1}, |
1da177e4 | 43 | |
5aa5911a | 44 | { } |
1da177e4 LT |
45 | }; |
46 | ||
4be44fcd | 47 | int __init acpi_blacklisted(void) |
1da177e4 | 48 | { |
5aa5911a | 49 | int i; |
1da177e4 | 50 | int blacklisted = 0; |
4be44fcd | 51 | |
5aa5911a TK |
52 | i = acpi_match_platform_list(acpi_blacklist); |
53 | if (i >= 0) { | |
007b3e53 | 54 | pr_err("Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n", |
5aa5911a TK |
55 | acpi_blacklist[i].oem_id, |
56 | acpi_blacklist[i].oem_table_id, | |
57 | acpi_blacklist[i].oem_revision); | |
4be44fcd | 58 | |
007b3e53 | 59 | pr_err("Reason: %s. This is a %s error\n", |
5aa5911a TK |
60 | acpi_blacklist[i].reason, |
61 | (acpi_blacklist[i].data ? | |
62 | "non-recoverable" : "recoverable")); | |
1da177e4 | 63 | |
5aa5911a | 64 | blacklisted = acpi_blacklist[i].data; |
1da177e4 LT |
65 | } |
66 | ||
e5f660eb | 67 | (void)early_acpi_osi_init(); |
b80d6a42 | 68 | #ifdef CONFIG_DMI |
e5f660eb | 69 | dmi_check_system(acpi_rev_dmi_table); |
b80d6a42 | 70 | #endif |
d4b7dc49 | 71 | |
1da177e4 LT |
72 | return blacklisted; |
73 | } | |
d4b7dc49 | 74 | #ifdef CONFIG_DMI |
18d78b64 RW |
75 | #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE |
76 | static int __init dmi_enable_rev_override(const struct dmi_system_id *d) | |
77 | { | |
007b3e53 | 78 | pr_notice("DMI detected: %s (force ACPI _REV to 5)\n", d->ident); |
18d78b64 RW |
79 | acpi_rev_override_setup(NULL); |
80 | return 0; | |
81 | } | |
82 | #endif | |
a1bd4e35 | 83 | |
6faadbbb | 84 | static const struct dmi_system_id acpi_rev_dmi_table[] __initconst = { |
18d78b64 RW |
85 | #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE |
86 | /* | |
87 | * DELL XPS 13 (2015) switches sound between HDA and I2S | |
88 | * depending on the ACPI _REV callback. If userspace supports | |
89 | * I2S sufficiently (or if you do not care about sound), you | |
90 | * can safely disable this quirk. | |
91 | */ | |
92 | { | |
93 | .callback = dmi_enable_rev_override, | |
94 | .ident = "DELL XPS 13 (2015)", | |
95 | .matches = { | |
96 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
97 | DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"), | |
98 | }, | |
99 | }, | |
9523b9bf AH |
100 | { |
101 | .callback = dmi_enable_rev_override, | |
102 | .ident = "DELL Precision 5520", | |
103 | .matches = { | |
104 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
105 | DMI_MATCH(DMI_PRODUCT_NAME, "Precision 5520"), | |
106 | }, | |
107 | }, | |
108 | { | |
109 | .callback = dmi_enable_rev_override, | |
110 | .ident = "DELL Precision 3520", | |
111 | .matches = { | |
112 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
113 | DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"), | |
114 | }, | |
115 | }, | |
708f5dcc MP |
116 | /* |
117 | * Resolves a quirk with the Dell Latitude 3350 that | |
118 | * causes the ethernet adapter to not function. | |
119 | */ | |
120 | { | |
121 | .callback = dmi_enable_rev_override, | |
122 | .ident = "DELL Latitude 3350", | |
123 | .matches = { | |
124 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
125 | DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"), | |
126 | }, | |
127 | }, | |
2cff319e KHF |
128 | { |
129 | .callback = dmi_enable_rev_override, | |
130 | .ident = "DELL Inspiron 7537", | |
131 | .matches = { | |
132 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
133 | DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"), | |
134 | }, | |
135 | }, | |
18d78b64 | 136 | #endif |
d4b7dc49 LB |
137 | {} |
138 | }; | |
139 | ||
140 | #endif /* CONFIG_DMI */ |