m68knommu: remove local gettimeofday code
[wrt350n-kernel.git] / drivers / acpi / blacklist.c
blob8809654d6cc965e292b2424f5f85cdecca15c1a2
1 /*
2 * blacklist.c
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 {
38 all_versions,
39 less_than_or_equal,
40 equal,
41 greater_than_or_equal,
44 struct acpi_blacklist_item {
45 char oem_id[7];
46 char oem_table_id[9];
47 u32 oem_revision;
48 char *table;
49 enum acpi_blacklist_predicates oem_revision_predicate;
50 char *reason;
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,
72 "Incorrect _ADR", 1},
73 {"ASUS\0\0", "P2B-S ", 0, ACPI_SIG_DSDT, all_versions,
74 "Bogus PCI routing", 1},
76 {""}
79 #if CONFIG_ACPI_BLACKLIST_YEAR
81 static int __init blacklist_by_year(void)
83 int year = dmi_get_year(DMI_BIOS_DATE);
84 /* Doesn't exist? Likely an old system */
85 if (year == -1) {
86 printk(KERN_ERR PREFIX "no DMI BIOS year, "
87 "acpi=force is required to enable ACPI\n" );
88 return 1;
90 /* 0? Likely a buggy new BIOS */
91 if (year == 0) {
92 printk(KERN_ERR PREFIX "DMI BIOS year==0, "
93 "assuming ACPI-capable machine\n" );
94 return 0;
96 if (year < CONFIG_ACPI_BLACKLIST_YEAR) {
97 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);
100 return 1;
102 return 0;
104 #else
105 static inline int blacklist_by_year(void)
107 return 0;
109 #endif
111 int __init acpi_blacklisted(void)
113 int i = 0;
114 int blacklisted = 0;
115 struct acpi_table_header table_header;
117 while (acpi_blacklist[i].oem_id[0] != '\0') {
118 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
119 i++;
120 continue;
123 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
124 i++;
125 continue;
128 if (strncmp
129 (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
130 8)) {
131 i++;
132 continue;
135 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
136 || (acpi_blacklist[i].oem_revision_predicate ==
137 less_than_or_equal
138 && table_header.oem_revision <=
139 acpi_blacklist[i].oem_revision)
140 || (acpi_blacklist[i].oem_revision_predicate ==
141 greater_than_or_equal
142 && table_header.oem_revision >=
143 acpi_blacklist[i].oem_revision)
144 || (acpi_blacklist[i].oem_revision_predicate == equal
145 && table_header.oem_revision ==
146 acpi_blacklist[i].oem_revision)) {
148 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);
155 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"));
162 blacklisted = acpi_blacklist[i].is_critical_error;
163 break;
164 } else {
165 i++;
169 blacklisted += blacklist_by_year();
171 dmi_check_system(acpi_osi_dmi_table);
173 return blacklisted;
175 #ifdef CONFIG_DMI
176 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
178 acpi_dmi_osi_linux(1, d); /* enable */
179 return 0;
181 static int __init dmi_disable_osi_linux(const struct dmi_system_id *d)
183 acpi_dmi_osi_linux(0, d); /* disable */
184 return 0;
186 static int __init dmi_unknown_osi_linux(const struct dmi_system_id *d)
188 acpi_dmi_osi_linux(-1, d); /* unknown */
189 return 0;
193 * Most BIOS that invoke OSI(Linux) do nothing with it.
194 * But some cause Linux to break.
195 * Only a couple use it to make Linux run better.
197 * Thus, Linux should continue to disable OSI(Linux) by default,
198 * should continue to discourage BIOS writers from using it, and
199 * should whitelist the few existing systems that require it.
201 * If it appears clear a vendor isn't using OSI(Linux)
202 * for anything constructive, blacklist them by name to disable
203 * unnecessary dmesg warnings on all of their products.
206 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
208 * Disable OSI(Linux) warnings on all "Acer, inc."
210 * _OSI(Linux) disables the latest Windows BIOS code:
211 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5050"),
212 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5580"),
213 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 3010"),
214 * _OSI(Linux) effect unknown:
215 * DMI_MATCH(DMI_PRODUCT_NAME, "Ferrari 5000"),
218 .callback = dmi_disable_osi_linux,
219 .ident = "Acer, inc.",
220 .matches = {
221 DMI_MATCH(DMI_SYS_VENDOR, "Acer, inc."),
225 * Disable OSI(Linux) warnings on all "Acer"
227 * _OSI(Linux) effect unknown:
228 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
229 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
230 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720Z"),
231 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5520"),
232 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 6460"),
233 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 7510"),
234 * DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"),
237 .callback = dmi_unknown_osi_linux,
238 .ident = "Acer",
239 .matches = {
240 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
244 * Disable OSI(Linux) warnings on all "Apple Computer, Inc."
246 * _OSI(Linux) confirmed to be a NOP:
247 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"),
248 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"),
249 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro2,2"),
250 * _OSI(Linux) effect unknown:
251 * DMI_MATCH(DMI_PRODUCT_NAME, "MacPro2,1"),
252 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,1"),
253 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3,1"),
256 .callback = dmi_disable_osi_linux,
257 .ident = "Apple",
258 .matches = {
259 DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),
263 * Disable OSI(Linux) warnings on all "BenQ"
265 * _OSI(Linux) confirmed to be a NOP:
266 * DMI_MATCH(DMI_PRODUCT_NAME, "Joybook S31"),
269 .callback = dmi_disable_osi_linux,
270 .ident = "BenQ",
271 .matches = {
272 DMI_MATCH(DMI_SYS_VENDOR, "BenQ"),
276 * Disable OSI(Linux) warnings on all "Clevo Co."
278 * _OSI(Linux) confirmed to be a NOP:
279 * DMI_MATCH(DMI_PRODUCT_NAME, "M570RU"),
282 .callback = dmi_disable_osi_linux,
283 .ident = "Clevo",
284 .matches = {
285 DMI_MATCH(DMI_SYS_VENDOR, "Clevo Co."),
289 * Disable OSI(Linux) warnings on all "COMPAL"
291 * _OSI(Linux) confirmed to be a NOP:
292 * DMI_MATCH(DMI_BOARD_NAME, "HEL8X"),
293 * _OSI(Linux) unknown effect:
294 * DMI_MATCH(DMI_BOARD_NAME, "IFL91"),
297 .callback = dmi_unknown_osi_linux,
298 .ident = "Compal",
299 .matches = {
300 DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
303 { /* OSI(Linux) touches USB, breaks suspend to disk */
304 .callback = dmi_disable_osi_linux,
305 .ident = "Dell Dimension 5150",
306 .matches = {
307 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
308 DMI_MATCH(DMI_PRODUCT_NAME, "Dell DM051"),
311 { /* OSI(Linux) is a NOP */
312 .callback = dmi_disable_osi_linux,
313 .ident = "Dell",
314 .matches = {
315 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
316 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1501"),
319 { /* OSI(Linux) effect unknown */
320 .callback = dmi_unknown_osi_linux,
321 .ident = "Dell",
322 .matches = {
323 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
324 DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D830"),
327 { /* OSI(Linux) effect unknown */
328 .callback = dmi_unknown_osi_linux,
329 .ident = "Dell",
330 .matches = {
331 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
332 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX620"),
335 { /* OSI(Linux) effect unknown */
336 .callback = dmi_unknown_osi_linux,
337 .ident = "Dell",
338 .matches = {
339 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
340 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1900"),
343 { /* OSI(Linux) touches USB */
344 .callback = dmi_disable_osi_linux,
345 .ident = "Dell",
346 .matches = {
347 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
348 DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 390"),
351 { /* OSI(Linux) is a NOP */
352 .callback = dmi_disable_osi_linux,
353 .ident = "Dell Vostro 1000",
354 .matches = {
355 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
356 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1000"),
359 { /* OSI(Linux) effect unknown */
360 .callback = dmi_unknown_osi_linux,
361 .ident = "Dell",
362 .matches = {
363 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
364 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge SC440"),
367 { /* OSI(Linux) effect unknown */
368 .callback = dmi_unknown_osi_linux,
369 .ident = "Dialogue Flybook V5",
370 .matches = {
371 DMI_MATCH(DMI_SYS_VENDOR, "Dialogue Technology Corporation"),
372 DMI_MATCH(DMI_PRODUCT_NAME, "Flybook V5"),
376 * Disable OSI(Linux) warnings on all "FUJITSU SIEMENS"
378 * _OSI(Linux) disables latest Windows BIOS code:
379 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2510"),
380 * _OSI(Linux) confirmed to be a NOP:
381 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1536"),
382 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1556"),
383 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 1546"),
384 * _OSI(Linux) unknown effect:
385 * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo M1425"),
386 * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo Si 1520"),
387 * DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
390 .callback = dmi_disable_osi_linux,
391 .ident = "Fujitsu Siemens",
392 .matches = {
393 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
397 * Disable OSI(Linux) warnings on all "Hewlett-Packard"
399 * _OSI(Linux) confirmed to be a NOP:
400 * .ident = "HP Pavilion tx 1000"
401 * DMI_MATCH(DMI_BOARD_NAME, "30BF"),
402 * .ident = "HP Pavilion dv2000"
403 * DMI_MATCH(DMI_BOARD_NAME, "30B5"),
404 * .ident = "HP Pavilion dv5000",
405 * DMI_MATCH(DMI_BOARD_NAME, "30A7"),
406 * .ident = "HP Pavilion dv6300 30BC",
407 * DMI_MATCH(DMI_BOARD_NAME, "30BC"),
408 * .ident = "HP Pavilion dv6000",
409 * DMI_MATCH(DMI_BOARD_NAME, "30B7"),
410 * DMI_MATCH(DMI_BOARD_NAME, "30B8"),
411 * .ident = "HP Pavilion dv9000",
412 * DMI_MATCH(DMI_BOARD_NAME, "30B9"),
413 * .ident = "HP Pavilion dv9500",
414 * DMI_MATCH(DMI_BOARD_NAME, "30CB"),
415 * .ident = "HP/Compaq Presario C500",
416 * DMI_MATCH(DMI_BOARD_NAME, "30C6"),
417 * .ident = "HP/Compaq Presario F500",
418 * DMI_MATCH(DMI_BOARD_NAME, "30D3"),
419 * _OSI(Linux) unknown effect:
420 * .ident = "HP Pavilion dv6500",
421 * DMI_MATCH(DMI_BOARD_NAME, "30D0"),
424 .callback = dmi_disable_osi_linux,
425 .ident = "Hewlett-Packard",
426 .matches = {
427 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
431 * Lenovo has a mix of systems OSI(Linux) situations
432 * and thus we can not wildcard the vendor.
434 * _OSI(Linux) helps sound
435 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
436 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
437 * _OSI(Linux) is a NOP:
438 * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
441 .callback = dmi_enable_osi_linux,
442 .ident = "Lenovo ThinkPad R61",
443 .matches = {
444 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
445 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
449 .callback = dmi_enable_osi_linux,
450 .ident = "Lenovo ThinkPad T61",
451 .matches = {
452 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
453 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
457 .callback = dmi_unknown_osi_linux,
458 .ident = "Lenovo 3000 V100",
459 .matches = {
460 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
461 DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
465 .callback = dmi_disable_osi_linux,
466 .ident = "Lenovo 3000 N100",
467 .matches = {
468 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
469 DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
473 * Disable OSI(Linux) warnings on all "LG Electronics"
475 * _OSI(Linux) confirmed to be a NOP:
476 * DMI_MATCH(DMI_PRODUCT_NAME, "P1-J150B"),
479 .callback = dmi_disable_osi_linux,
480 .ident = "LG",
481 .matches = {
482 DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
485 /* NEC - OSI(Linux) effect unknown */
487 .callback = dmi_unknown_osi_linux,
488 .ident = "NEC VERSA M360",
489 .matches = {
490 DMI_MATCH(DMI_SYS_VENDOR, "NEC Computers SAS"),
491 DMI_MATCH(DMI_PRODUCT_NAME, "NEC VERSA M360"),
495 * Disable OSI(Linux) warnings on all "Samsung Electronics"
497 * OSI(Linux) disables PNP0C32 and other BIOS code for Windows:
498 * DMI_MATCH(DMI_PRODUCT_NAME, "R40P/R41P"),
499 * DMI_MATCH(DMI_PRODUCT_NAME, "R59P/R60P/R61P"),
502 .callback = dmi_disable_osi_linux,
503 .ident = "Samsung",
504 .matches = {
505 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
509 * Disable OSI(Linux) warnings on all "Sony Corporation"
511 * _OSI(Linux) is a NOP:
512 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"),
513 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ38GP_C"),
514 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-TZ21MN_N"),
515 * _OSI(Linux) unknown effect:
516 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ11M"),
519 .callback = dmi_unknown_osi_linux,
520 .ident = "Sony",
521 .matches = {
522 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
526 * Disable OSI(Linux) warnings on all "TOSHIBA"
528 * _OSI(Linux) breaks sound (bugzilla 7787):
529 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P100"),
530 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P105"),
531 * _OSI(Linux) is a NOP:
532 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A100"),
533 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A210"),
534 * _OSI(Linux) unknown effect:
535 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A135"),
536 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A200"),
537 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P205"),
538 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U305"),
541 .callback = dmi_disable_osi_linux,
542 .ident = "Toshiba",
543 .matches = {
544 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
550 #endif /* CONFIG_DMI */