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1da177e4 LT |
1 | /* |
2 | * blacklist.c | |
3 | * | |
4 | * Check to see if the given machine has a known bad ACPI BIOS | |
5 | * or if the BIOS is too old. | |
e5f660eb | 6 | * Check given machine against acpi_rev_dmi_table[]. |
1da177e4 LT |
7 | * |
8 | * Copyright (C) 2004 Len Brown <[email protected]> | |
9 | * Copyright (C) 2002 Andy Grover <[email protected]> | |
10 | * | |
11 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or (at | |
16 | * your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, but | |
19 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
21 | * General Public License for more details. | |
22 | * | |
1da177e4 LT |
23 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
24 | */ | |
25 | ||
1da177e4 | 26 | #include <linux/kernel.h> |
1da177e4 LT |
27 | #include <linux/init.h> |
28 | #include <linux/acpi.h> | |
1da177e4 LT |
29 | #include <linux/dmi.h> |
30 | ||
a192a958 LB |
31 | #include "internal.h" |
32 | ||
6faadbbb | 33 | static const struct dmi_system_id acpi_rev_dmi_table[] __initconst; |
d4b7dc49 | 34 | |
1da177e4 LT |
35 | /* |
36 | * POLICY: If *anything* doesn't work, put it on the blacklist. | |
37 | * If they are critical errors, mark it critical, and abort driver load. | |
38 | */ | |
5aa5911a | 39 | static struct acpi_platform_list acpi_blacklist[] __initdata = { |
1da177e4 | 40 | /* Compaq Presario 1700 */ |
ad71860a | 41 | {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 42 | "Multiple problems", 1}, |
1da177e4 | 43 | /* Sony FX120, FX140, FX150? */ |
ad71860a | 44 | {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 45 | "ACPI driver problem", 1}, |
1da177e4 | 46 | /* Compaq Presario 800, Insyde BIOS */ |
ad71860a | 47 | {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 48 | "Does not use _REG to protect EC OpRegions", 1}, |
1da177e4 | 49 | /* IBM 600E - _ADR should return 7, but it returns 1 */ |
ad71860a | 50 | {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 51 | "Incorrect _ADR", 1}, |
1da177e4 | 52 | |
5aa5911a | 53 | { } |
1da177e4 LT |
54 | }; |
55 | ||
4be44fcd | 56 | int __init acpi_blacklisted(void) |
1da177e4 | 57 | { |
5aa5911a | 58 | int i; |
1da177e4 | 59 | int blacklisted = 0; |
4be44fcd | 60 | |
5aa5911a TK |
61 | i = acpi_match_platform_list(acpi_blacklist); |
62 | if (i >= 0) { | |
63 | pr_err(PREFIX "Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n", | |
64 | acpi_blacklist[i].oem_id, | |
65 | acpi_blacklist[i].oem_table_id, | |
66 | acpi_blacklist[i].oem_revision); | |
4be44fcd | 67 | |
5aa5911a TK |
68 | pr_err(PREFIX "Reason: %s. This is a %s error\n", |
69 | acpi_blacklist[i].reason, | |
70 | (acpi_blacklist[i].data ? | |
71 | "non-recoverable" : "recoverable")); | |
1da177e4 | 72 | |
5aa5911a | 73 | blacklisted = acpi_blacklist[i].data; |
1da177e4 LT |
74 | } |
75 | ||
e5f660eb LZ |
76 | (void)early_acpi_osi_init(); |
77 | dmi_check_system(acpi_rev_dmi_table); | |
d4b7dc49 | 78 | |
1da177e4 LT |
79 | return blacklisted; |
80 | } | |
d4b7dc49 | 81 | #ifdef CONFIG_DMI |
18d78b64 RW |
82 | #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE |
83 | static int __init dmi_enable_rev_override(const struct dmi_system_id *d) | |
84 | { | |
85 | printk(KERN_NOTICE PREFIX "DMI detected: %s (force ACPI _REV to 5)\n", | |
86 | d->ident); | |
87 | acpi_rev_override_setup(NULL); | |
88 | return 0; | |
89 | } | |
90 | #endif | |
a1bd4e35 | 91 | |
6faadbbb | 92 | static const struct dmi_system_id acpi_rev_dmi_table[] __initconst = { |
18d78b64 RW |
93 | #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE |
94 | /* | |
95 | * DELL XPS 13 (2015) switches sound between HDA and I2S | |
96 | * depending on the ACPI _REV callback. If userspace supports | |
97 | * I2S sufficiently (or if you do not care about sound), you | |
98 | * can safely disable this quirk. | |
99 | */ | |
100 | { | |
101 | .callback = dmi_enable_rev_override, | |
102 | .ident = "DELL XPS 13 (2015)", | |
103 | .matches = { | |
104 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
105 | DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"), | |
106 | }, | |
107 | }, | |
9523b9bf AH |
108 | { |
109 | .callback = dmi_enable_rev_override, | |
110 | .ident = "DELL Precision 5520", | |
111 | .matches = { | |
112 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
113 | DMI_MATCH(DMI_PRODUCT_NAME, "Precision 5520"), | |
114 | }, | |
115 | }, | |
116 | { | |
117 | .callback = dmi_enable_rev_override, | |
118 | .ident = "DELL Precision 3520", | |
119 | .matches = { | |
120 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
121 | DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"), | |
122 | }, | |
123 | }, | |
708f5dcc MP |
124 | /* |
125 | * Resolves a quirk with the Dell Latitude 3350 that | |
126 | * causes the ethernet adapter to not function. | |
127 | */ | |
128 | { | |
129 | .callback = dmi_enable_rev_override, | |
130 | .ident = "DELL Latitude 3350", | |
131 | .matches = { | |
132 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
133 | DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"), | |
134 | }, | |
135 | }, | |
2cff319e KHF |
136 | { |
137 | .callback = dmi_enable_rev_override, | |
138 | .ident = "DELL Inspiron 7537", | |
139 | .matches = { | |
140 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
141 | DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"), | |
142 | }, | |
143 | }, | |
18d78b64 | 144 | #endif |
d4b7dc49 LB |
145 | {} |
146 | }; | |
147 | ||
148 | #endif /* CONFIG_DMI */ |