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[].
8 * Copyright (C) 2004 Len Brown <len.brown@intel.com>
9 * Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
11 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.
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.
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.
27 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
30 #include <linux/kernel.h>
31 #include <linux/init.h>
32 #include <linux/acpi.h>
33 #include <acpi/acpi_bus.h>
34 #include <linux/dmi.h>
38 enum acpi_blacklist_predicates {
42 greater_than_or_equal,
45 struct acpi_blacklist_item {
50 enum acpi_blacklist_predicates oem_revision_predicate;
52 u32 is_critical_error;
55 static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
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.
61 static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
62 /* Compaq Presario 1700 */
63 {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
64 "Multiple problems", 1},
65 /* Sony FX120, FX140, FX150? */
66 {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
67 "ACPI driver problem", 1},
68 /* Compaq Presario 800, Insyde BIOS */
69 {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
70 "Does not use _REG to protect EC OpRegions", 1},
71 /* IBM 600E - _ADR should return 7, but it returns 1 */
72 {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
78 int __init acpi_blacklisted(void)
82 struct acpi_table_header table_header;
84 while (acpi_blacklist[i].oem_id[0] != '\0') {
85 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
90 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
96 (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
102 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
103 || (acpi_blacklist[i].oem_revision_predicate ==
105 && table_header.oem_revision <=
106 acpi_blacklist[i].oem_revision)
107 || (acpi_blacklist[i].oem_revision_predicate ==
108 greater_than_or_equal
109 && table_header.oem_revision >=
110 acpi_blacklist[i].oem_revision)
111 || (acpi_blacklist[i].oem_revision_predicate == equal
112 && table_header.oem_revision ==
113 acpi_blacklist[i].oem_revision)) {
115 printk(KERN_ERR PREFIX
116 "Vendor \"%6.6s\" System \"%8.8s\" "
117 "Revision 0x%x has a known ACPI BIOS problem.\n",
118 acpi_blacklist[i].oem_id,
119 acpi_blacklist[i].oem_table_id,
120 acpi_blacklist[i].oem_revision);
122 printk(KERN_ERR PREFIX
123 "Reason: %s. This is a %s error\n",
124 acpi_blacklist[i].reason,
126 is_critical_error ? "non-recoverable" :
129 blacklisted = acpi_blacklist[i].is_critical_error;
136 dmi_check_system(acpi_osi_dmi_table);
141 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
143 acpi_dmi_osi_linux(1, d); /* enable */
146 static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
148 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
149 acpi_osi_setup("!Windows 2006");
150 acpi_osi_setup("!Windows 2006 SP1");
151 acpi_osi_setup("!Windows 2006 SP2");
154 static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
156 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
157 acpi_osi_setup("!Windows 2009");
160 static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)
162 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
163 acpi_osi_setup("!Windows 2012");
167 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
169 .callback = dmi_disable_osi_vista,
170 .ident = "Fujitsu Siemens",
172 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
173 DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
178 * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
179 * driver (e.g. nouveau) when user press brightness hotkey.
180 * Currently, nouveau driver didn't do the job and it causes there
181 * have a infinite while loop in DSDT when user press hotkey.
182 * We add MSI GX723's dmi information to this table for workaround
184 * Will remove MSI GX723 from the table after nouveau grows support.
186 .callback = dmi_disable_osi_vista,
187 .ident = "MSI GX723",
189 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
190 DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
194 .callback = dmi_disable_osi_vista,
195 .ident = "Sony VGN-NS10J_S",
197 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
198 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
202 .callback = dmi_disable_osi_vista,
203 .ident = "Sony VGN-SR290J",
205 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
206 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),
210 .callback = dmi_disable_osi_vista,
211 .ident = "VGN-NS50B_L",
213 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
214 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),
218 .callback = dmi_disable_osi_vista,
219 .ident = "Toshiba Satellite L355",
221 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
222 DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
226 .callback = dmi_disable_osi_win7,
227 .ident = "ASUS K50IJ",
229 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
230 DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
234 .callback = dmi_disable_osi_vista,
235 .ident = "Toshiba P305D",
237 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
238 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
242 .callback = dmi_disable_osi_vista,
243 .ident = "Toshiba NB100",
245 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
246 DMI_MATCH(DMI_PRODUCT_NAME, "NB100"),
251 * The following machines have broken backlight support when reporting
252 * the Windows 2012 OSI, so disable it until their support is fixed.
255 .callback = dmi_disable_osi_win8,
256 .ident = "ASUS Zenbook Prime UX31A",
258 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
259 DMI_MATCH(DMI_PRODUCT_NAME, "UX31A"),
263 .callback = dmi_disable_osi_win8,
264 .ident = "Dell Inspiron 15R SE",
266 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
267 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"),
271 .callback = dmi_disable_osi_win8,
272 .ident = "ThinkPad Edge E530",
274 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
275 DMI_MATCH(DMI_PRODUCT_VERSION, "3259A2G"),
279 .callback = dmi_disable_osi_win8,
280 .ident = "ThinkPad Edge E530",
282 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
283 DMI_MATCH(DMI_PRODUCT_VERSION, "3259CTO"),
287 .callback = dmi_disable_osi_win8,
288 .ident = "ThinkPad Edge E530",
290 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
291 DMI_MATCH(DMI_PRODUCT_VERSION, "3259HJG"),
295 .callback = dmi_disable_osi_win8,
296 .ident = "Acer Aspire V5-573G",
298 DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"),
299 DMI_MATCH(DMI_PRODUCT_VERSION, "V5-573G/Dazzle_HW"),
303 .callback = dmi_disable_osi_win8,
304 .ident = "Acer Aspire V5-572G",
306 DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"),
307 DMI_MATCH(DMI_PRODUCT_VERSION, "V5-572G/Dazzle_CX"),
311 .callback = dmi_disable_osi_win8,
312 .ident = "ThinkPad T431s",
314 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
315 DMI_MATCH(DMI_PRODUCT_VERSION, "20AACTO1WW"),
319 .callback = dmi_disable_osi_win8,
320 .ident = "ThinkPad T430",
322 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
323 DMI_MATCH(DMI_PRODUCT_VERSION, "2349D15"),
328 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
329 * Linux ignores it, except for the machines enumerated below.
333 * Lenovo has a mix of systems OSI(Linux) situations
334 * and thus we can not wildcard the vendor.
336 * _OSI(Linux) helps sound
337 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
338 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
340 * _OSI(Linux) has Linux specific hooks
341 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
342 * _OSI(Linux) is a NOP:
343 * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
344 * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
347 .callback = dmi_enable_osi_linux,
348 .ident = "Lenovo ThinkPad R61",
350 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
351 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
355 .callback = dmi_enable_osi_linux,
356 .ident = "Lenovo ThinkPad T61",
358 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
359 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
363 .callback = dmi_enable_osi_linux,
364 .ident = "Lenovo ThinkPad X61",
366 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
367 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
371 .callback = dmi_enable_osi_linux,
372 .ident = "Lenovo ThinkPad T400",
374 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
375 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"),
379 .callback = dmi_enable_osi_linux,
380 .ident = "Lenovo ThinkPad T500",
382 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
383 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"),
389 #endif /* CONFIG_DMI */