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1// SPDX-License-Identifier: GPL-2.0-or-later
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.
7 * Check given machine against acpi_rev_dmi_table[].
8 *
9 * Copyright (C) 2004 Len Brown <len.brown@intel.com>
10 * Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
11 */
12
13#define pr_fmt(fmt) "ACPI: " fmt
14
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/acpi.h>
18#include <linux/dmi.h>
19
20#include "internal.h"
21
22#ifdef CONFIG_DMI
23static const struct dmi_system_id acpi_rev_dmi_table[] __initconst;
24#endif
25
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 */
30static struct acpi_platform_list acpi_blacklist[] __initdata = {
31 /* Compaq Presario 1700 */
32 {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
33 "Multiple problems", 1},
34 /* Sony FX120, FX140, FX150? */
35 {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
36 "ACPI driver problem", 1},
37 /* Compaq Presario 800, Insyde BIOS */
38 {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
39 "Does not use _REG to protect EC OpRegions", 1},
40 /* IBM 600E - _ADR should return 7, but it returns 1 */
41 {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
42 "Incorrect _ADR", 1},
43
44 { }
45};
46
47int __init acpi_blacklisted(void)
48{
49 int i;
50 int blacklisted = 0;
51
52 i = acpi_match_platform_list(acpi_blacklist);
53 if (i >= 0) {
54 pr_err("Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n",
55 acpi_blacklist[i].oem_id,
56 acpi_blacklist[i].oem_table_id,
57 acpi_blacklist[i].oem_revision);
58
59 pr_err("Reason: %s. This is a %s error\n",
60 acpi_blacklist[i].reason,
61 (acpi_blacklist[i].data ?
62 "non-recoverable" : "recoverable"));
63
64 blacklisted = acpi_blacklist[i].data;
65 }
66
67 (void)early_acpi_osi_init();
68#ifdef CONFIG_DMI
69 dmi_check_system(acpi_rev_dmi_table);
70#endif
71
72 return blacklisted;
73}
74#ifdef CONFIG_DMI
75#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
76static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
77{
78 pr_notice("DMI detected: %s (force ACPI _REV to 5)\n", d->ident);
79 acpi_rev_override_setup(NULL);
80 return 0;
81}
82#endif
83
84static const struct dmi_system_id acpi_rev_dmi_table[] __initconst = {
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 },
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 },
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 },
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 },
136#endif
137 {}
138};
139
140#endif /* CONFIG_DMI */
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.
6 * Check given machine against acpi_osi_dmi_table[].
7 *
8 * Copyright (C) 2004 Len Brown <len.brown@intel.com>
9 * Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
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 *
23 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 */
25
26#include <linux/kernel.h>
27#include <linux/init.h>
28#include <linux/acpi.h>
29#include <linux/dmi.h>
30
31#include "internal.h"
32
33enum acpi_blacklist_predicates {
34 all_versions,
35 less_than_or_equal,
36 equal,
37 greater_than_or_equal,
38};
39
40struct acpi_blacklist_item {
41 char oem_id[7];
42 char oem_table_id[9];
43 u32 oem_revision;
44 char *table;
45 enum acpi_blacklist_predicates oem_revision_predicate;
46 char *reason;
47 u32 is_critical_error;
48};
49
50static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
51
52/*
53 * POLICY: If *anything* doesn't work, put it on the blacklist.
54 * If they are critical errors, mark it critical, and abort driver load.
55 */
56static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
57 /* Compaq Presario 1700 */
58 {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
59 "Multiple problems", 1},
60 /* Sony FX120, FX140, FX150? */
61 {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
62 "ACPI driver problem", 1},
63 /* Compaq Presario 800, Insyde BIOS */
64 {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
65 "Does not use _REG to protect EC OpRegions", 1},
66 /* IBM 600E - _ADR should return 7, but it returns 1 */
67 {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
68 "Incorrect _ADR", 1},
69
70 {""}
71};
72
73int __init acpi_blacklisted(void)
74{
75 int i = 0;
76 int blacklisted = 0;
77 struct acpi_table_header table_header;
78
79 while (acpi_blacklist[i].oem_id[0] != '\0') {
80 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
81 i++;
82 continue;
83 }
84
85 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
86 i++;
87 continue;
88 }
89
90 if (strncmp
91 (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
92 8)) {
93 i++;
94 continue;
95 }
96
97 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
98 || (acpi_blacklist[i].oem_revision_predicate ==
99 less_than_or_equal
100 && table_header.oem_revision <=
101 acpi_blacklist[i].oem_revision)
102 || (acpi_blacklist[i].oem_revision_predicate ==
103 greater_than_or_equal
104 && table_header.oem_revision >=
105 acpi_blacklist[i].oem_revision)
106 || (acpi_blacklist[i].oem_revision_predicate == equal
107 && table_header.oem_revision ==
108 acpi_blacklist[i].oem_revision)) {
109
110 printk(KERN_ERR PREFIX
111 "Vendor \"%6.6s\" System \"%8.8s\" "
112 "Revision 0x%x has a known ACPI BIOS problem.\n",
113 acpi_blacklist[i].oem_id,
114 acpi_blacklist[i].oem_table_id,
115 acpi_blacklist[i].oem_revision);
116
117 printk(KERN_ERR PREFIX
118 "Reason: %s. This is a %s error\n",
119 acpi_blacklist[i].reason,
120 (acpi_blacklist[i].
121 is_critical_error ? "non-recoverable" :
122 "recoverable"));
123
124 blacklisted = acpi_blacklist[i].is_critical_error;
125 break;
126 } else {
127 i++;
128 }
129 }
130
131 dmi_check_system(acpi_osi_dmi_table);
132
133 return blacklisted;
134}
135#ifdef CONFIG_DMI
136static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
137{
138 acpi_dmi_osi_linux(1, d); /* enable */
139 return 0;
140}
141static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
142{
143 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
144 acpi_osi_setup("!Windows 2006");
145 acpi_osi_setup("!Windows 2006 SP1");
146 acpi_osi_setup("!Windows 2006 SP2");
147 return 0;
148}
149static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
150{
151 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
152 acpi_osi_setup("!Windows 2009");
153 return 0;
154}
155static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)
156{
157 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
158 acpi_osi_setup("!Windows 2012");
159 return 0;
160}
161#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
162static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
163{
164 printk(KERN_NOTICE PREFIX "DMI detected: %s (force ACPI _REV to 5)\n",
165 d->ident);
166 acpi_rev_override_setup(NULL);
167 return 0;
168}
169#endif
170
171static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
172 {
173 .callback = dmi_disable_osi_vista,
174 .ident = "Fujitsu Siemens",
175 .matches = {
176 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
177 DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
178 },
179 },
180 {
181 /*
182 * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
183 * driver (e.g. nouveau) when user press brightness hotkey.
184 * Currently, nouveau driver didn't do the job and it causes there
185 * have a infinite while loop in DSDT when user press hotkey.
186 * We add MSI GX723's dmi information to this table for workaround
187 * this issue.
188 * Will remove MSI GX723 from the table after nouveau grows support.
189 */
190 .callback = dmi_disable_osi_vista,
191 .ident = "MSI GX723",
192 .matches = {
193 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
194 DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
195 },
196 },
197 {
198 .callback = dmi_disable_osi_vista,
199 .ident = "Sony VGN-NS10J_S",
200 .matches = {
201 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
202 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
203 },
204 },
205 {
206 .callback = dmi_disable_osi_vista,
207 .ident = "Sony VGN-SR290J",
208 .matches = {
209 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
210 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),
211 },
212 },
213 {
214 .callback = dmi_disable_osi_vista,
215 .ident = "VGN-NS50B_L",
216 .matches = {
217 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
218 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),
219 },
220 },
221 {
222 .callback = dmi_disable_osi_vista,
223 .ident = "VGN-SR19XN",
224 .matches = {
225 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
226 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR19XN"),
227 },
228 },
229 {
230 .callback = dmi_disable_osi_vista,
231 .ident = "Toshiba Satellite L355",
232 .matches = {
233 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
234 DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
235 },
236 },
237 {
238 .callback = dmi_disable_osi_win7,
239 .ident = "ASUS K50IJ",
240 .matches = {
241 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
242 DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
243 },
244 },
245 {
246 .callback = dmi_disable_osi_vista,
247 .ident = "Toshiba P305D",
248 .matches = {
249 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
250 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
251 },
252 },
253 {
254 .callback = dmi_disable_osi_vista,
255 .ident = "Toshiba NB100",
256 .matches = {
257 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
258 DMI_MATCH(DMI_PRODUCT_NAME, "NB100"),
259 },
260 },
261
262 /*
263 * The wireless hotkey does not work on those machines when
264 * returning true for _OSI("Windows 2012")
265 */
266 {
267 .callback = dmi_disable_osi_win8,
268 .ident = "Dell Inspiron 7737",
269 .matches = {
270 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
271 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"),
272 },
273 },
274 {
275 .callback = dmi_disable_osi_win8,
276 .ident = "Dell Inspiron 7537",
277 .matches = {
278 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
279 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),
280 },
281 },
282 {
283 .callback = dmi_disable_osi_win8,
284 .ident = "Dell Inspiron 5437",
285 .matches = {
286 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
287 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"),
288 },
289 },
290 {
291 .callback = dmi_disable_osi_win8,
292 .ident = "Dell Inspiron 3437",
293 .matches = {
294 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
295 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"),
296 },
297 },
298 {
299 .callback = dmi_disable_osi_win8,
300 .ident = "Dell Vostro 3446",
301 .matches = {
302 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
303 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"),
304 },
305 },
306 {
307 .callback = dmi_disable_osi_win8,
308 .ident = "Dell Vostro 3546",
309 .matches = {
310 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
311 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"),
312 },
313 },
314
315 /*
316 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
317 * Linux ignores it, except for the machines enumerated below.
318 */
319
320 /*
321 * Without this this EEEpc exports a non working WMI interface, with
322 * this it exports a working "good old" eeepc_laptop interface, fixing
323 * both brightness control, and rfkill not working.
324 */
325 {
326 .callback = dmi_enable_osi_linux,
327 .ident = "Asus EEE PC 1015PX",
328 .matches = {
329 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
330 DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),
331 },
332 },
333
334#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
335 /*
336 * DELL XPS 13 (2015) switches sound between HDA and I2S
337 * depending on the ACPI _REV callback. If userspace supports
338 * I2S sufficiently (or if you do not care about sound), you
339 * can safely disable this quirk.
340 */
341 {
342 .callback = dmi_enable_rev_override,
343 .ident = "DELL XPS 13 (2015)",
344 .matches = {
345 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
346 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"),
347 },
348 },
349#endif
350 {}
351};
352
353#endif /* CONFIG_DMI */