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/module.h>
32 #include <linux/init.h>
33 #include <linux/acpi.h>
34 #include <acpi/acpi_bus.h>
35 #include <linux/dmi.h>
37 enum acpi_blacklist_predicates {
41 greater_than_or_equal,
44 struct acpi_blacklist_item {
49 enum acpi_blacklist_predicates oem_revision_predicate;
51 u32 is_critical_error;
54 static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
57 * POLICY: If *anything* doesn't work, put it on the blacklist.
58 * If they are critical errors, mark it critical, and abort driver load.
60 static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
61 /* Compaq Presario 1700 */
62 {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
63 "Multiple problems", 1},
64 /* Sony FX120, FX140, FX150? */
65 {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
66 "ACPI driver problem", 1},
67 /* Compaq Presario 800, Insyde BIOS */
68 {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
69 "Does not use _REG to protect EC OpRegions", 1},
70 /* IBM 600E - _ADR should return 7, but it returns 1 */
71 {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
77 #if CONFIG_ACPI_BLACKLIST_YEAR
79 static int __init blacklist_by_year(void)
81 int year = dmi_get_year(DMI_BIOS_DATE);
82 /* Doesn't exist? Likely an old system */
84 printk(KERN_ERR PREFIX "no DMI BIOS year, "
85 "acpi=force is required to enable ACPI\n" );
88 /* 0? Likely a buggy new BIOS */
90 printk(KERN_ERR PREFIX "DMI BIOS year==0, "
91 "assuming ACPI-capable machine\n" );
94 if (year < CONFIG_ACPI_BLACKLIST_YEAR) {
95 printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), "
96 "acpi=force is required to enable ACPI\n",
97 year, CONFIG_ACPI_BLACKLIST_YEAR);
103 static inline int blacklist_by_year(void)
109 int __init acpi_blacklisted(void)
113 struct acpi_table_header table_header;
115 while (acpi_blacklist[i].oem_id[0] != '\0') {
116 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
121 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
127 (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
133 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
134 || (acpi_blacklist[i].oem_revision_predicate ==
136 && table_header.oem_revision <=
137 acpi_blacklist[i].oem_revision)
138 || (acpi_blacklist[i].oem_revision_predicate ==
139 greater_than_or_equal
140 && table_header.oem_revision >=
141 acpi_blacklist[i].oem_revision)
142 || (acpi_blacklist[i].oem_revision_predicate == equal
143 && table_header.oem_revision ==
144 acpi_blacklist[i].oem_revision)) {
146 printk(KERN_ERR PREFIX
147 "Vendor \"%6.6s\" System \"%8.8s\" "
148 "Revision 0x%x has a known ACPI BIOS problem.\n",
149 acpi_blacklist[i].oem_id,
150 acpi_blacklist[i].oem_table_id,
151 acpi_blacklist[i].oem_revision);
153 printk(KERN_ERR PREFIX
154 "Reason: %s. This is a %s error\n",
155 acpi_blacklist[i].reason,
157 is_critical_error ? "non-recoverable" :
160 blacklisted = acpi_blacklist[i].is_critical_error;
167 blacklisted += blacklist_by_year();
169 dmi_check_system(acpi_osi_dmi_table);
174 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
176 acpi_dmi_osi_linux(1, d); /* enable */
179 static int __init dmi_disable_osi_linux(const struct dmi_system_id *d)
181 acpi_dmi_osi_linux(0, d); /* disable */
184 static int __init dmi_unknown_osi_linux(const struct dmi_system_id *d)
186 acpi_dmi_osi_linux(-1, d); /* unknown */
189 static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
191 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
192 acpi_osi_setup("!Windows 2006");
197 * Most BIOS that invoke OSI(Linux) do nothing with it.
198 * But some cause Linux to break.
199 * Only a couple use it to make Linux run better.
201 * Thus, Linux should continue to disable OSI(Linux) by default,
202 * should continue to discourage BIOS writers from using it, and
203 * should whitelist the few existing systems that require it.
205 * If it appears clear a vendor isn't using OSI(Linux)
206 * for anything constructive, blacklist them by name to disable
207 * unnecessary dmesg warnings on all of their products.
210 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
212 * Disable OSI(Linux) warnings on all "Acer, inc."
214 * _OSI(Linux) disables the latest Windows BIOS code:
215 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
216 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5050"),
217 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
218 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5580"),
219 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 3010"),
220 * _OSI(Linux) effect unknown:
221 * DMI_MATCH(DMI_PRODUCT_NAME, "Ferrari 5000"),
224 * note that dmi_check_system() uses strstr()
225 * to match sub-strings rather than !strcmp(),
226 * so "Acer" below matches "Acer, inc." above.
229 * Disable OSI(Linux) warnings on all "Acer"
231 * _OSI(Linux) effect unknown:
232 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
233 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720Z"),
234 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5520"),
235 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 6460"),
236 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 7510"),
238 * _OSI(Linux) is a NOP:
239 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"),
240 * DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"),
243 .callback = dmi_disable_osi_linux,
246 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
250 * Disable OSI(Linux) warnings on all "Apple Computer, Inc."
251 * Disable OSI(Linux) warnings on all "Apple Inc."
253 * _OSI(Linux) confirmed to be a NOP:
254 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"),
255 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"),
256 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro2,2"),
257 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3,1"),
258 * _OSI(Linux) effect unknown:
259 * DMI_MATCH(DMI_PRODUCT_NAME, "MacPro2,1"),
260 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,1"),
263 .callback = dmi_disable_osi_linux,
266 DMI_MATCH(DMI_SYS_VENDOR, "Apple"),
270 * Disable OSI(Linux) warnings on all "BenQ"
272 * _OSI(Linux) confirmed to be a NOP:
273 * DMI_MATCH(DMI_PRODUCT_NAME, "Joybook S31"),
276 .callback = dmi_disable_osi_linux,
279 DMI_MATCH(DMI_SYS_VENDOR, "BenQ"),
283 * Disable OSI(Linux) warnings on all "Clevo Co."
285 * _OSI(Linux) confirmed to be a NOP:
286 * DMI_MATCH(DMI_PRODUCT_NAME, "M570RU"),
289 .callback = dmi_disable_osi_linux,
292 DMI_MATCH(DMI_SYS_VENDOR, "Clevo Co."),
296 * Disable OSI(Linux) warnings on all "COMPAL"
298 * _OSI(Linux) confirmed to be a NOP:
299 * DMI_MATCH(DMI_BOARD_NAME, "HEL8X"),
300 * _OSI(Linux) unknown effect:
301 * DMI_MATCH(DMI_BOARD_NAME, "IFL91"),
304 .callback = dmi_disable_osi_linux,
307 DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
310 { /* OSI(Linux) touches USB, unknown side-effect */
311 .callback = dmi_disable_osi_linux,
312 .ident = "Dell Dimension 5150",
314 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
315 DMI_MATCH(DMI_PRODUCT_NAME, "Dell DM051"),
318 { /* OSI(Linux) is a NOP */
319 .callback = dmi_disable_osi_linux,
320 .ident = "Dell i1501",
322 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
323 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1501"),
326 { /* OSI(Linux) effect unknown */
327 .callback = dmi_unknown_osi_linux,
328 .ident = "Dell Latitude D830",
330 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
331 DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D830"),
334 { /* OSI(Linux) effect unknown */
335 .callback = dmi_unknown_osi_linux,
336 .ident = "Dell OptiPlex GX620",
338 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
339 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX620"),
342 { /* OSI(Linux) causes some USB initialization to not run */
343 .callback = dmi_unknown_osi_linux,
344 .ident = "Dell OptiPlex 755",
346 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
347 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 755"),
350 { /* OSI(Linux) effect unknown */
351 .callback = dmi_unknown_osi_linux,
352 .ident = "Dell PE 1900",
354 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
355 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1900"),
358 { /* OSI(Linux) is a NOP */
359 .callback = dmi_unknown_osi_linux,
360 .ident = "Dell PE 1950",
362 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
363 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
366 { /* OSI(Linux) is a NOP */
367 .callback = dmi_disable_osi_linux,
368 .ident = "Dell PE R200",
370 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
371 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R200"),
374 { /* OSI(Linux) touches USB */
375 .callback = dmi_disable_osi_linux,
376 .ident = "Dell PR 390",
378 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
379 DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 390"),
382 { /* OSI(Linux) touches USB */
383 .callback = dmi_unknown_osi_linux,
384 .ident = "Dell PR 390",
386 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
387 DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 690"),
390 { /* OSI(Linux) unknown - ASL looks benign, but may effect dock/SMM */
391 .callback = dmi_unknown_osi_linux,
392 .ident = "Dell PR M4300",
394 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
395 DMI_MATCH(DMI_PRODUCT_NAME, "Precision M4300"),
398 { /* OSI(Linux) is a NOP */
399 .callback = dmi_disable_osi_linux,
400 .ident = "Dell Vostro 1000",
402 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
403 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1000"),
406 { /* OSI(Linux) effect unknown */
407 .callback = dmi_unknown_osi_linux,
408 .ident = "Dell PE SC440",
410 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
411 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge SC440"),
414 { /* OSI(Linux) effect unknown */
415 .callback = dmi_unknown_osi_linux,
416 .ident = "Dialogue Flybook V5",
418 DMI_MATCH(DMI_SYS_VENDOR, "Dialogue Technology Corporation"),
419 DMI_MATCH(DMI_PRODUCT_NAME, "Flybook V5"),
423 * Disable OSI(Linux) warnings on all "FUJITSU SIEMENS"
425 * _OSI(Linux) disables latest Windows BIOS code:
426 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2510"),
427 * _OSI(Linux) confirmed to be a NOP:
428 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1536"),
429 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1556"),
430 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 1546"),
431 * DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
432 * _OSI(Linux) unknown effect:
433 * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo M1425"),
434 * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo Si 1520"),
437 .callback = dmi_disable_osi_linux,
438 .ident = "Fujitsu Siemens",
440 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
444 .callback = dmi_disable_osi_vista,
445 .ident = "Fujitsu Siemens",
447 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
448 DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
452 * Disable OSI(Linux) warnings on all "Hewlett-Packard"
454 * _OSI(Linux) confirmed to be a NOP:
455 * .ident = "HP Pavilion tx 1000"
456 * DMI_MATCH(DMI_BOARD_NAME, "30BF"),
457 * .ident = "HP Pavilion dv2000"
458 * DMI_MATCH(DMI_BOARD_NAME, "30B5"),
459 * .ident = "HP Pavilion dv5000",
460 * DMI_MATCH(DMI_BOARD_NAME, "30A7"),
461 * .ident = "HP Pavilion dv6300 30BC",
462 * DMI_MATCH(DMI_BOARD_NAME, "30BC"),
463 * .ident = "HP Pavilion dv6000",
464 * DMI_MATCH(DMI_BOARD_NAME, "30B7"),
465 * DMI_MATCH(DMI_BOARD_NAME, "30B8"),
466 * .ident = "HP Pavilion dv9000",
467 * DMI_MATCH(DMI_BOARD_NAME, "30B9"),
468 * .ident = "HP Pavilion dv9500",
469 * DMI_MATCH(DMI_BOARD_NAME, "30CB"),
470 * .ident = "HP/Compaq Presario C500",
471 * DMI_MATCH(DMI_BOARD_NAME, "30C6"),
472 * .ident = "HP/Compaq Presario F500",
473 * DMI_MATCH(DMI_BOARD_NAME, "30D3"),
474 * _OSI(Linux) unknown effect:
475 * .ident = "HP Pavilion dv6500",
476 * DMI_MATCH(DMI_BOARD_NAME, "30D0"),
479 .callback = dmi_disable_osi_linux,
480 .ident = "Hewlett-Packard",
482 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
486 * Lenovo has a mix of systems OSI(Linux) situations
487 * and thus we can not wildcard the vendor.
489 * _OSI(Linux) helps sound
490 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
491 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
492 * _OSI(Linux) has Linux specific hooks
493 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
494 * _OSI(Linux) is a NOP:
495 * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
496 * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
499 .callback = dmi_enable_osi_linux,
500 .ident = "Lenovo ThinkPad R61",
502 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
503 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
507 .callback = dmi_enable_osi_linux,
508 .ident = "Lenovo ThinkPad T61",
510 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
511 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
515 .callback = dmi_enable_osi_linux,
516 .ident = "Lenovo ThinkPad X61",
518 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
519 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
523 .callback = dmi_disable_osi_linux,
524 .ident = "Lenovo 3000 V100",
526 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
527 DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
531 .callback = dmi_disable_osi_linux,
532 .ident = "Lenovo 3000 N100",
534 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
535 DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
539 * Disable OSI(Linux) warnings on all "LG Electronics"
541 * _OSI(Linux) confirmed to be a NOP:
542 * DMI_MATCH(DMI_PRODUCT_NAME, "P1-J150B"),
543 * with DMI_MATCH(DMI_BOARD_NAME, "ROCKY"),
546 * DMI_MATCH(DMI_PRODUCT_NAME, "S1-MDGDG"),
547 * with DMI_MATCH(DMI_BOARD_NAME, "ROCKY"),
550 .callback = dmi_disable_osi_linux,
553 DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
556 /* NEC - OSI(Linux) effect unknown */
558 .callback = dmi_unknown_osi_linux,
559 .ident = "NEC VERSA M360",
561 DMI_MATCH(DMI_SYS_VENDOR, "NEC Computers SAS"),
562 DMI_MATCH(DMI_PRODUCT_NAME, "NEC VERSA M360"),
567 .callback = dmi_unknown_osi_linux,
568 .ident = "Panasonic",
570 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
571 /* Toughbook CF-52 */
572 DMI_MATCH(DMI_PRODUCT_NAME, "CF-52CCABVBG"),
576 * Disable OSI(Linux) warnings on all "Samsung Electronics"
578 * OSI(Linux) disables PNP0C32 and other BIOS code for Windows:
579 * DMI_MATCH(DMI_PRODUCT_NAME, "R40P/R41P"),
580 * DMI_MATCH(DMI_PRODUCT_NAME, "R59P/R60P/R61P"),
583 .callback = dmi_disable_osi_linux,
586 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
590 * Disable OSI(Linux) warnings on all "Sony Corporation"
592 * _OSI(Linux) is a NOP:
593 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NR11S_S"),
594 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ38GP_C"),
595 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"),
596 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-TZ21MN_N"),
597 * _OSI(Linux) unknown effect:
598 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ11M"),
601 .callback = dmi_disable_osi_linux,
604 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
608 * Disable OSI(Linux) warnings on all "TOSHIBA"
610 * _OSI(Linux) breaks sound (bugzilla 7787):
611 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P100"),
612 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P105"),
613 * _OSI(Linux) is a NOP:
614 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A100"),
615 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A210"),
616 * _OSI(Linux) unknown effect:
617 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A135"),
618 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A200"),
619 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P205"),
620 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U305"),
623 .callback = dmi_disable_osi_linux,
626 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
632 #endif /* CONFIG_DMI */