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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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.
Len Brownd4b7dc42008-01-23 20:50:56 -05006 * Check given machine against acpi_osi_dmi_table[].
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 *
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 * You should have received a copy of the GNU General Public License along
24 * with this program; if not, write to the Free Software Foundation, Inc.,
25 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 *
27 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
28 */
29
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#include <linux/init.h>
32#include <linux/acpi.h>
33#include <acpi/acpi_bus.h>
34#include <linux/dmi.h>
35
Len Browna192a952009-07-28 16:45:54 -040036#include "internal.h"
37
Len Brown4be44fc2005-08-05 00:44:28 -040038enum acpi_blacklist_predicates {
39 all_versions,
40 less_than_or_equal,
41 equal,
42 greater_than_or_equal,
Linus Torvalds1da177e2005-04-16 15:20:36 -070043};
44
Len Brown4be44fc2005-08-05 00:44:28 -040045struct acpi_blacklist_item {
46 char oem_id[7];
47 char oem_table_id[9];
48 u32 oem_revision;
Alexey Starikovskiyad71860a2007-02-02 19:48:19 +030049 char *table;
Len Brown4be44fc2005-08-05 00:44:28 -040050 enum acpi_blacklist_predicates oem_revision_predicate;
51 char *reason;
52 u32 is_critical_error;
Linus Torvalds1da177e2005-04-16 15:20:36 -070053};
54
Len Brownd4b7dc42008-01-23 20:50:56 -050055static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
56
Linus Torvalds1da177e2005-04-16 15:20:36 -070057/*
58 * POLICY: If *anything* doesn't work, put it on the blacklist.
59 * If they are critical errors, mark it critical, and abort driver load.
60 */
Len Brown4be44fc2005-08-05 00:44:28 -040061static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 /* Compaq Presario 1700 */
Alexey Starikovskiyad71860a2007-02-02 19:48:19 +030063 {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
Len Brown4be44fc2005-08-05 00:44:28 -040064 "Multiple problems", 1},
Linus Torvalds1da177e2005-04-16 15:20:36 -070065 /* Sony FX120, FX140, FX150? */
Alexey Starikovskiyad71860a2007-02-02 19:48:19 +030066 {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
Len Brown4be44fc2005-08-05 00:44:28 -040067 "ACPI driver problem", 1},
Linus Torvalds1da177e2005-04-16 15:20:36 -070068 /* Compaq Presario 800, Insyde BIOS */
Alexey Starikovskiyad71860a2007-02-02 19:48:19 +030069 {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
Len Brown4be44fc2005-08-05 00:44:28 -040070 "Does not use _REG to protect EC OpRegions", 1},
Linus Torvalds1da177e2005-04-16 15:20:36 -070071 /* IBM 600E - _ADR should return 7, but it returns 1 */
Alexey Starikovskiyad71860a2007-02-02 19:48:19 +030072 {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
Len Brown4be44fc2005-08-05 00:44:28 -040073 "Incorrect _ADR", 1},
Linus Torvalds1da177e2005-04-16 15:20:36 -070074
75 {""}
76};
77
Linus Torvalds1da177e2005-04-16 15:20:36 -070078#if CONFIG_ACPI_BLACKLIST_YEAR
79
Len Brown4be44fc2005-08-05 00:44:28 -040080static int __init blacklist_by_year(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070081{
Tejun Heo3e5cd1f2009-08-16 21:02:36 +090082 int year;
83
Andi Kleenf083a322006-03-25 16:30:19 +010084 /* Doesn't exist? Likely an old system */
Tejun Heo3e5cd1f2009-08-16 21:02:36 +090085 if (!dmi_get_date(DMI_BIOS_DATE, &year, NULL, NULL)) {
Anthony Godshall, Ampro Computers, Inc5b27b172007-03-09 21:19:05 -050086 printk(KERN_ERR PREFIX "no DMI BIOS year, "
87 "acpi=force is required to enable ACPI\n" );
Andi Kleenf083a322006-03-25 16:30:19 +010088 return 1;
Anthony Godshall, Ampro Computers, Inc5b27b172007-03-09 21:19:05 -050089 }
Andi Kleenf083a322006-03-25 16:30:19 +010090 /* 0? Likely a buggy new BIOS */
Anthony Godshall, Ampro Computers, Inc5b27b172007-03-09 21:19:05 -050091 if (year == 0) {
92 printk(KERN_ERR PREFIX "DMI BIOS year==0, "
93 "assuming ACPI-capable machine\n" );
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 return 0;
Anthony Godshall, Ampro Computers, Inc5b27b172007-03-09 21:19:05 -050095 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070096 if (year < CONFIG_ACPI_BLACKLIST_YEAR) {
Len Brown4be44fc2005-08-05 00:44:28 -040097 printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), "
98 "acpi=force is required to enable ACPI\n",
99 year, CONFIG_ACPI_BLACKLIST_YEAR);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100 return 1;
101 }
102 return 0;
103}
104#else
Len Brown4be44fc2005-08-05 00:44:28 -0400105static inline int blacklist_by_year(void)
106{
107 return 0;
108}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109#endif
110
Len Brown4be44fc2005-08-05 00:44:28 -0400111int __init acpi_blacklisted(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112{
113 int i = 0;
114 int blacklisted = 0;
Alexey Starikovskiy428f2112007-02-02 19:48:22 +0300115 struct acpi_table_header table_header;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116
Len Brown4be44fc2005-08-05 00:44:28 -0400117 while (acpi_blacklist[i].oem_id[0] != '\0') {
Alexey Starikovskiyad71860a2007-02-02 19:48:19 +0300118 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119 i++;
120 continue;
121 }
122
Alexey Starikovskiy428f2112007-02-02 19:48:22 +0300123 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124 i++;
125 continue;
126 }
127
Len Brown4be44fc2005-08-05 00:44:28 -0400128 if (strncmp
Alexey Starikovskiy428f2112007-02-02 19:48:22 +0300129 (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
Len Brown4be44fc2005-08-05 00:44:28 -0400130 8)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131 i++;
132 continue;
133 }
134
135 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
Len Brown4be44fc2005-08-05 00:44:28 -0400136 || (acpi_blacklist[i].oem_revision_predicate ==
137 less_than_or_equal
Alexey Starikovskiy428f2112007-02-02 19:48:22 +0300138 && table_header.oem_revision <=
Len Brown4be44fc2005-08-05 00:44:28 -0400139 acpi_blacklist[i].oem_revision)
140 || (acpi_blacklist[i].oem_revision_predicate ==
141 greater_than_or_equal
Alexey Starikovskiy428f2112007-02-02 19:48:22 +0300142 && table_header.oem_revision >=
Len Brown4be44fc2005-08-05 00:44:28 -0400143 acpi_blacklist[i].oem_revision)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144 || (acpi_blacklist[i].oem_revision_predicate == equal
Alexey Starikovskiy428f2112007-02-02 19:48:22 +0300145 && table_header.oem_revision ==
Len Brown4be44fc2005-08-05 00:44:28 -0400146 acpi_blacklist[i].oem_revision)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147
Len Brown4be44fc2005-08-05 00:44:28 -0400148 printk(KERN_ERR PREFIX
149 "Vendor \"%6.6s\" System \"%8.8s\" "
150 "Revision 0x%x has a known ACPI BIOS problem.\n",
151 acpi_blacklist[i].oem_id,
152 acpi_blacklist[i].oem_table_id,
153 acpi_blacklist[i].oem_revision);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154
Len Brown4be44fc2005-08-05 00:44:28 -0400155 printk(KERN_ERR PREFIX
156 "Reason: %s. This is a %s error\n",
157 acpi_blacklist[i].reason,
158 (acpi_blacklist[i].
159 is_critical_error ? "non-recoverable" :
160 "recoverable"));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161
162 blacklisted = acpi_blacklist[i].is_critical_error;
163 break;
Len Brown4be44fc2005-08-05 00:44:28 -0400164 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165 i++;
166 }
167 }
168
169 blacklisted += blacklist_by_year();
170
Len Brownd4b7dc42008-01-23 20:50:56 -0500171 dmi_check_system(acpi_osi_dmi_table);
172
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173 return blacklisted;
174}
Len Brownd4b7dc42008-01-23 20:50:56 -0500175#ifdef CONFIG_DMI
Len Brown98f1db22008-01-23 20:56:18 -0500176static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
177{
178 acpi_dmi_osi_linux(1, d); /* enable */
179 return 0;
180}
Len Brown46c1fbd2008-02-13 23:13:25 -0500181static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
182{
183 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
184 acpi_osi_setup("!Windows 2006");
Len Brownbbb70302010-09-28 17:48:49 -0400185 acpi_osi_setup("!Windows 2006 SP1");
186 acpi_osi_setup("!Windows 2006 SP2");
Len Brown46c1fbd2008-02-13 23:13:25 -0500187 return 0;
188}
Zhang Rui81074e92009-12-21 16:13:15 +0800189static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
190{
191 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
192 acpi_osi_setup("!Windows 2009");
193 return 0;
194}
Felipe Contrerascb7a386c2013-07-29 14:20:58 -0500195static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)
196{
197 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
198 acpi_osi_setup("!Windows 2012");
199 return 0;
200}
Len Browna1bd4e32008-01-23 21:19:27 -0500201
Len Brownd4b7dc42008-01-23 20:50:56 -0500202static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
Len Brown46c1fbd2008-02-13 23:13:25 -0500203 {
204 .callback = dmi_disable_osi_vista,
205 .ident = "Fujitsu Siemens",
206 .matches = {
207 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
Len Browna6e08872008-11-08 01:21:10 -0500208 DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
Len Brown46c1fbd2008-02-13 23:13:25 -0500209 },
210 },
Zhang Rui35a7c64f2009-06-22 11:31:17 +0800211 {
Lee, Chun-Yi3deb11e2010-10-01 16:28:29 +0800212 /*
213 * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
214 * driver (e.g. nouveau) when user press brightness hotkey.
215 * Currently, nouveau driver didn't do the job and it causes there
216 * have a infinite while loop in DSDT when user press hotkey.
217 * We add MSI GX723's dmi information to this table for workaround
218 * this issue.
219 * Will remove MSI GX723 from the table after nouveau grows support.
220 */
221 .callback = dmi_disable_osi_vista,
222 .ident = "MSI GX723",
223 .matches = {
224 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
225 DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
226 },
227 },
228 {
Zhang Rui35a7c64f2009-06-22 11:31:17 +0800229 .callback = dmi_disable_osi_vista,
230 .ident = "Sony VGN-NS10J_S",
231 .matches = {
232 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
233 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
234 },
235 },
236 {
237 .callback = dmi_disable_osi_vista,
238 .ident = "Sony VGN-SR290J",
239 .matches = {
240 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
Nik A. Melchior096486e2010-06-21 12:47:05 +0800241 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),
Zhang Rui35a7c64f2009-06-22 11:31:17 +0800242 },
243 },
Zhang Rui81074e92009-12-21 16:13:15 +0800244 {
Zhang Rui4b1b29b2010-06-08 15:28:40 +0800245 .callback = dmi_disable_osi_vista,
246 .ident = "VGN-NS50B_L",
247 .matches = {
248 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
249 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),
250 },
251 },
252 {
Len Brown7a1d6022010-09-28 17:51:51 -0400253 .callback = dmi_disable_osi_vista,
254 .ident = "Toshiba Satellite L355",
255 .matches = {
256 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
257 DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
258 },
259 },
260 {
Zhang Rui81074e92009-12-21 16:13:15 +0800261 .callback = dmi_disable_osi_win7,
262 .ident = "ASUS K50IJ",
263 .matches = {
264 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
265 DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
266 },
267 },
Zhang Rui337279c2010-09-28 22:48:55 -0400268 {
269 .callback = dmi_disable_osi_vista,
270 .ident = "Toshiba P305D",
271 .matches = {
272 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
273 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
274 },
275 },
Felipe Contrerascb7a386c2013-07-29 14:20:58 -0500276 {
277 .callback = dmi_disable_osi_win8,
278 .ident = "ASUS Zenbook Prime UX31A",
279 .matches = {
280 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
281 DMI_MATCH(DMI_PRODUCT_NAME, "UX31A"),
282 },
283 },
Felipe Contreras94fb9822013-08-25 12:37:33 -0500284 {
285 .callback = dmi_disable_osi_win8,
286 .ident = "Dell Inspiron 15R SE",
287 .matches = {
288 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
289 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"),
290 },
291 },
292 {
293 .callback = dmi_disable_osi_win8,
294 .ident = "Lenovo ThinkPad Edge E530",
295 .matches = {
296 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
297 DMI_MATCH(DMI_PRODUCT_VERSION, "3259A2G"),
298 },
299 },
Len Browna6e08872008-11-08 01:21:10 -0500300
Len Browna1bd4e32008-01-23 21:19:27 -0500301 /*
Len Browna6e08872008-11-08 01:21:10 -0500302 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
303 * Linux ignores it, except for the machines enumerated below.
Len Browna1bd4e32008-01-23 21:19:27 -0500304 */
Len Browna6e08872008-11-08 01:21:10 -0500305
Len Browna1bd4e32008-01-23 21:19:27 -0500306 /*
307 * Lenovo has a mix of systems OSI(Linux) situations
308 * and thus we can not wildcard the vendor.
309 *
Len Brown98f1db22008-01-23 20:56:18 -0500310 * _OSI(Linux) helps sound
311 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
312 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
Jerone Young8b1edc52009-08-27 00:04:44 -0500313 * T400, T500
Len Brownbb546752008-02-10 21:29:56 -0500314 * _OSI(Linux) has Linux specific hooks
315 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
Len Browna1bd4e32008-01-23 21:19:27 -0500316 * _OSI(Linux) is a NOP:
317 * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
Len Brownbb546752008-02-10 21:29:56 -0500318 * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
Len Brown98f1db22008-01-23 20:56:18 -0500319 */
320 {
321 .callback = dmi_enable_osi_linux,
322 .ident = "Lenovo ThinkPad R61",
323 .matches = {
324 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
325 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
326 },
327 },
328 {
329 .callback = dmi_enable_osi_linux,
330 .ident = "Lenovo ThinkPad T61",
331 .matches = {
332 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
333 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
334 },
335 },
Len Browna1bd4e32008-01-23 21:19:27 -0500336 {
Len Brownbb546752008-02-10 21:29:56 -0500337 .callback = dmi_enable_osi_linux,
Len Brown446b1df2008-02-07 16:23:00 -0500338 .ident = "Lenovo ThinkPad X61",
339 .matches = {
340 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
341 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
342 },
343 },
Jerone Young8b1edc52009-08-27 00:04:44 -0500344 {
345 .callback = dmi_enable_osi_linux,
346 .ident = "Lenovo ThinkPad T400",
347 .matches = {
348 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
349 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"),
350 },
351 },
352 {
353 .callback = dmi_enable_osi_linux,
354 .ident = "Lenovo ThinkPad T500",
355 .matches = {
356 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
357 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"),
358 },
359 },
Len Brownd4b7dc42008-01-23 20:50:56 -0500360 {}
361};
362
363#endif /* CONFIG_DMI */