Merge branches 'release', 'bugzilla-6217', 'bugzilla-6629', 'bugzilla-6933', 'bugzill...
[pandora-kernel.git] / drivers / acpi / blacklist.c
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  *  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
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>
36
37 enum acpi_blacklist_predicates {
38         all_versions,
39         less_than_or_equal,
40         equal,
41         greater_than_or_equal,
42 };
43
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;
52 };
53
54 static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
55
56 /*
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.
59  */
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
74         {""}
75 };
76
77 #if     CONFIG_ACPI_BLACKLIST_YEAR
78
79 static int __init blacklist_by_year(void)
80 {
81         int year = dmi_get_year(DMI_BIOS_DATE);
82         /* Doesn't exist? Likely an old system */
83         if (year == -1) {
84                 printk(KERN_ERR PREFIX "no DMI BIOS year, "
85                         "acpi=force is required to enable ACPI\n" );
86                 return 1;
87         }
88         /* 0? Likely a buggy new BIOS */
89         if (year == 0) {
90                 printk(KERN_ERR PREFIX "DMI BIOS year==0, "
91                         "assuming ACPI-capable machine\n" );
92                 return 0;
93         }
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);
98                 return 1;
99         }
100         return 0;
101 }
102 #else
103 static inline int blacklist_by_year(void)
104 {
105         return 0;
106 }
107 #endif
108
109 int __init acpi_blacklisted(void)
110 {
111         int i = 0;
112         int blacklisted = 0;
113         struct acpi_table_header table_header;
114
115         while (acpi_blacklist[i].oem_id[0] != '\0') {
116                 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
117                         i++;
118                         continue;
119                 }
120
121                 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
122                         i++;
123                         continue;
124                 }
125
126                 if (strncmp
127                     (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
128                      8)) {
129                         i++;
130                         continue;
131                 }
132
133                 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
134                     || (acpi_blacklist[i].oem_revision_predicate ==
135                         less_than_or_equal
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)) {
145
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);
152
153                         printk(KERN_ERR PREFIX
154                                "Reason: %s. This is a %s error\n",
155                                acpi_blacklist[i].reason,
156                                (acpi_blacklist[i].
157                                 is_critical_error ? "non-recoverable" :
158                                 "recoverable"));
159
160                         blacklisted = acpi_blacklist[i].is_critical_error;
161                         break;
162                 } else {
163                         i++;
164                 }
165         }
166
167         blacklisted += blacklist_by_year();
168
169         dmi_check_system(acpi_osi_dmi_table);
170
171         return blacklisted;
172 }
173 #ifdef CONFIG_DMI
174 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
175 {
176         acpi_dmi_osi_linux(1, d);       /* enable */
177         return 0;
178 }
179 static int __init dmi_disable_osi_linux(const struct dmi_system_id *d)
180 {
181         acpi_dmi_osi_linux(0, d);       /* disable */
182         return 0;
183 }
184 static int __init dmi_unknown_osi_linux(const struct dmi_system_id *d)
185 {
186         acpi_dmi_osi_linux(-1, d);      /* unknown */
187         return 0;
188 }
189
190 /*
191  * Most BIOS that invoke OSI(Linux) do nothing with it.
192  * But some cause Linux to break.
193  * Only a couple use it to make Linux run better.
194  *
195  * Thus, Linux should continue to disable OSI(Linux) by default,
196  * should continue to discourage BIOS writers from using it, and
197  * should whitelist the few existing systems that require it.
198  *
199  * If it appears clear a vendor isn't using OSI(Linux)
200  * for anything constructive, blacklist them by name to disable
201  * unnecessary dmesg warnings on all of their products.
202  */
203
204 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
205         /*
206          * Disable OSI(Linux) warnings on all "Acer, inc."
207          *
208          * _OSI(Linux) disables the latest Windows BIOS code:
209          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5050"),
210          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5580"),
211          * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 3010"),
212          * _OSI(Linux) effect unknown:
213          * DMI_MATCH(DMI_PRODUCT_NAME, "Ferrari 5000"),
214          */
215         {
216         .callback = dmi_disable_osi_linux,
217         .ident = "Acer, inc.",
218         .matches = {
219                      DMI_MATCH(DMI_SYS_VENDOR, "Acer, inc."),
220                 },
221         },
222         /*
223          * Disable OSI(Linux) warnings on all "Acer"
224          *
225          * _OSI(Linux) effect unknown:
226          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
227          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
228          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720Z"),
229          * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5520"),
230          * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 6460"),
231          * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 7510"),
232          * DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"),
233          */
234         {
235         .callback = dmi_unknown_osi_linux,
236         .ident = "Acer",
237         .matches = {
238                      DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
239                 },
240         },
241         /*
242          * Disable OSI(Linux) warnings on all "Apple Computer, Inc."
243          *
244          * _OSI(Linux) confirmed to be a NOP:
245          * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"),
246          * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"),
247          * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro2,2"),
248          * _OSI(Linux) effect unknown:
249          * DMI_MATCH(DMI_PRODUCT_NAME, "MacPro2,1"),
250          * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,1"),
251          * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3,1"),
252          */
253         {
254         .callback = dmi_disable_osi_linux,
255         .ident = "Apple",
256         .matches = {
257                      DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),
258                 },
259         },
260         /*
261          * Disable OSI(Linux) warnings on all "BenQ"
262          *
263          * _OSI(Linux) confirmed to be a NOP:
264          * DMI_MATCH(DMI_PRODUCT_NAME, "Joybook S31"),
265          */
266         {
267         .callback = dmi_disable_osi_linux,
268         .ident = "BenQ",
269         .matches = {
270                      DMI_MATCH(DMI_SYS_VENDOR, "BenQ"),
271                 },
272         },
273         /*
274          * Disable OSI(Linux) warnings on all "Clevo Co."
275          *
276          * _OSI(Linux) confirmed to be a NOP:
277          * DMI_MATCH(DMI_PRODUCT_NAME, "M570RU"),
278          */
279         {
280         .callback = dmi_disable_osi_linux,
281         .ident = "Clevo",
282         .matches = {
283                      DMI_MATCH(DMI_SYS_VENDOR, "Clevo Co."),
284                 },
285         },
286         /*
287          * Disable OSI(Linux) warnings on all "COMPAL"
288          *
289          * _OSI(Linux) confirmed to be a NOP:
290          * DMI_MATCH(DMI_BOARD_NAME, "HEL8X"),
291          * _OSI(Linux) unknown effect:
292          * DMI_MATCH(DMI_BOARD_NAME, "IFL91"),
293          */
294         {
295         .callback = dmi_unknown_osi_linux,
296         .ident = "Compal",
297         .matches = {
298                      DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
299                 },
300         },
301         { /* OSI(Linux) touches USB, breaks suspend to disk */
302         .callback = dmi_disable_osi_linux,
303         .ident = "Dell Dimension 5150",
304         .matches = {
305                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
306                      DMI_MATCH(DMI_PRODUCT_NAME, "Dell DM051"),
307                 },
308         },
309         { /* OSI(Linux) is a NOP */
310         .callback = dmi_disable_osi_linux,
311         .ident = "Dell",
312         .matches = {
313                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
314                      DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1501"),
315                 },
316         },
317         { /* OSI(Linux) effect unknown */
318         .callback = dmi_unknown_osi_linux,
319         .ident = "Dell",
320         .matches = {
321                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
322                      DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D830"),
323                 },
324         },
325         { /* OSI(Linux) effect unknown */
326         .callback = dmi_unknown_osi_linux,
327         .ident = "Dell",
328         .matches = {
329                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
330                      DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX620"),
331                 },
332         },
333         { /* OSI(Linux) effect unknown */
334         .callback = dmi_unknown_osi_linux,
335         .ident = "Dell",
336         .matches = {
337                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
338                      DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1900"),
339                 },
340         },
341         { /* OSI(Linux) touches USB */
342         .callback = dmi_disable_osi_linux,
343         .ident = "Dell",
344         .matches = {
345                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
346                      DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 390"),
347                 },
348         },
349         { /* OSI(Linux) is a NOP */
350         .callback = dmi_disable_osi_linux,
351         .ident = "Dell Vostro 1000",
352         .matches = {
353                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
354                      DMI_MATCH(DMI_PRODUCT_NAME, "Vostro   1000"),
355                 },
356         },
357         { /* OSI(Linux) effect unknown */
358         .callback = dmi_unknown_osi_linux,
359         .ident = "Dell",
360         .matches = {
361                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
362                      DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge SC440"),
363                 },
364         },
365         { /* OSI(Linux) effect unknown */
366         .callback = dmi_unknown_osi_linux,
367         .ident = "Dialogue Flybook V5",
368         .matches = {
369                      DMI_MATCH(DMI_SYS_VENDOR, "Dialogue Technology Corporation"),
370                      DMI_MATCH(DMI_PRODUCT_NAME, "Flybook V5"),
371                 },
372         },
373         /*
374          * Disable OSI(Linux) warnings on all "FUJITSU SIEMENS"
375          *
376          * _OSI(Linux) disables latest Windows BIOS code:
377          * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2510"),
378          * _OSI(Linux) confirmed to be a NOP:
379          * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1536"),
380          * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1556"),
381          * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 1546"),
382          * _OSI(Linux) unknown effect:
383          * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo M1425"),
384          * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo Si 1520"),
385          * DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
386          */
387         {
388         .callback = dmi_disable_osi_linux,
389         .ident = "Fujitsu Siemens",
390         .matches = {
391                      DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
392                 },
393         },
394         /*
395          * Disable OSI(Linux) warnings on all "Hewlett-Packard"
396          *
397          * _OSI(Linux) confirmed to be a NOP:
398          * .ident = "HP Pavilion tx 1000"
399          * DMI_MATCH(DMI_BOARD_NAME, "30BF"),
400          * .ident = "HP Pavilion dv2000"
401          * DMI_MATCH(DMI_BOARD_NAME, "30B5"),
402          * .ident = "HP Pavilion dv5000",
403          * DMI_MATCH(DMI_BOARD_NAME, "30A7"),
404          * .ident = "HP Pavilion dv6300 30BC",
405          * DMI_MATCH(DMI_BOARD_NAME, "30BC"),
406          * .ident = "HP Pavilion dv6000",
407          * DMI_MATCH(DMI_BOARD_NAME, "30B7"),
408          * DMI_MATCH(DMI_BOARD_NAME, "30B8"),
409          * .ident = "HP Pavilion dv9000",
410          * DMI_MATCH(DMI_BOARD_NAME, "30B9"),
411          * .ident = "HP Pavilion dv9500",
412          * DMI_MATCH(DMI_BOARD_NAME, "30CB"),
413          * .ident = "HP/Compaq Presario C500",
414          * DMI_MATCH(DMI_BOARD_NAME, "30C6"),
415          * .ident = "HP/Compaq Presario F500",
416          * DMI_MATCH(DMI_BOARD_NAME, "30D3"),
417          * _OSI(Linux) unknown effect:
418          * .ident = "HP Pavilion dv6500",
419          * DMI_MATCH(DMI_BOARD_NAME, "30D0"),
420          */
421         {
422         .callback = dmi_disable_osi_linux,
423         .ident = "Hewlett-Packard",
424         .matches = {
425                      DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
426                 },
427         },
428         /*
429          * Lenovo has a mix of systems OSI(Linux) situations
430          * and thus we can not wildcard the vendor.
431          *
432          * _OSI(Linux) helps sound
433          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
434          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
435          * _OSI(Linux) is a NOP:
436          * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
437          */
438         {
439         .callback = dmi_enable_osi_linux,
440         .ident = "Lenovo ThinkPad R61",
441         .matches = {
442                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
443                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
444                 },
445         },
446         {
447         .callback = dmi_enable_osi_linux,
448         .ident = "Lenovo ThinkPad T61",
449         .matches = {
450                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
451                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
452                 },
453         },
454         {
455         .callback = dmi_unknown_osi_linux,
456         .ident = "Lenovo 3000 V100",
457         .matches = {
458                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
459                      DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
460                 },
461         },
462         {
463         .callback = dmi_disable_osi_linux,
464         .ident = "Lenovo 3000 N100",
465         .matches = {
466                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
467                      DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
468                 },
469         },
470         /*
471          * Disable OSI(Linux) warnings on all "LG Electronics"
472          *
473          * _OSI(Linux) confirmed to be a NOP:
474          * DMI_MATCH(DMI_PRODUCT_NAME, "P1-J150B"),
475          */
476         {
477         .callback = dmi_disable_osi_linux,
478         .ident = "LG",
479         .matches = {
480                      DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
481                 },
482         },
483         /* NEC - OSI(Linux) effect unknown */
484         {
485         .callback = dmi_unknown_osi_linux,
486         .ident = "NEC VERSA M360",
487         .matches = {
488                      DMI_MATCH(DMI_SYS_VENDOR, "NEC Computers SAS"),
489                      DMI_MATCH(DMI_PRODUCT_NAME, "NEC VERSA M360"),
490                 },
491         },
492         /*
493          * Disable OSI(Linux) warnings on all "Samsung Electronics"
494          *
495          * OSI(Linux) disables PNP0C32 and other BIOS code for Windows:
496          * DMI_MATCH(DMI_PRODUCT_NAME, "R40P/R41P"),
497          * DMI_MATCH(DMI_PRODUCT_NAME, "R59P/R60P/R61P"),
498          */
499         {
500         .callback = dmi_disable_osi_linux,
501         .ident = "Samsung",
502         .matches = {
503                      DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
504                 },
505         },
506         /*
507          * Disable OSI(Linux) warnings on all "Sony Corporation"
508          *
509          * _OSI(Linux) is a NOP:
510          * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"),
511          * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ38GP_C"),
512          * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-TZ21MN_N"),
513          * _OSI(Linux) unknown effect:
514          * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ11M"),
515          */
516         {
517         .callback = dmi_unknown_osi_linux,
518         .ident = "Sony",
519         .matches = {
520                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
521                 },
522         },
523         /*
524          * Disable OSI(Linux) warnings on all "TOSHIBA"
525          *
526          * _OSI(Linux) breaks sound (bugzilla 7787):
527          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P100"),
528          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P105"),
529          * _OSI(Linux) is a NOP:
530          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A100"),
531          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A210"),
532          * _OSI(Linux) unknown effect:
533          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A135"),
534          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A200"),
535          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P205"),
536          * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U305"),
537          */
538         {
539         .callback = dmi_disable_osi_linux,
540         .ident = "Toshiba",
541         .matches = {
542                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
543                 },
544         },
545         {}
546 };
547
548 #endif /* CONFIG_DMI */