ARM: Better virt_to_page() handling
[cascardo/linux.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/init.h>
32 #include <linux/acpi.h>
33 #include <linux/dmi.h>
34
35 #include "internal.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 int __init acpi_blacklisted(void)
78 {
79         int i = 0;
80         int blacklisted = 0;
81         struct acpi_table_header table_header;
82
83         while (acpi_blacklist[i].oem_id[0] != '\0') {
84                 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
85                         i++;
86                         continue;
87                 }
88
89                 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
90                         i++;
91                         continue;
92                 }
93
94                 if (strncmp
95                     (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
96                      8)) {
97                         i++;
98                         continue;
99                 }
100
101                 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
102                     || (acpi_blacklist[i].oem_revision_predicate ==
103                         less_than_or_equal
104                         && table_header.oem_revision <=
105                         acpi_blacklist[i].oem_revision)
106                     || (acpi_blacklist[i].oem_revision_predicate ==
107                         greater_than_or_equal
108                         && table_header.oem_revision >=
109                         acpi_blacklist[i].oem_revision)
110                     || (acpi_blacklist[i].oem_revision_predicate == equal
111                         && table_header.oem_revision ==
112                         acpi_blacklist[i].oem_revision)) {
113
114                         printk(KERN_ERR PREFIX
115                                "Vendor \"%6.6s\" System \"%8.8s\" "
116                                "Revision 0x%x has a known ACPI BIOS problem.\n",
117                                acpi_blacklist[i].oem_id,
118                                acpi_blacklist[i].oem_table_id,
119                                acpi_blacklist[i].oem_revision);
120
121                         printk(KERN_ERR PREFIX
122                                "Reason: %s. This is a %s error\n",
123                                acpi_blacklist[i].reason,
124                                (acpi_blacklist[i].
125                                 is_critical_error ? "non-recoverable" :
126                                 "recoverable"));
127
128                         blacklisted = acpi_blacklist[i].is_critical_error;
129                         break;
130                 } else {
131                         i++;
132                 }
133         }
134
135         dmi_check_system(acpi_osi_dmi_table);
136
137         return blacklisted;
138 }
139 #ifdef CONFIG_DMI
140 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
141 {
142         acpi_dmi_osi_linux(1, d);       /* enable */
143         return 0;
144 }
145 static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
146 {
147         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
148         acpi_osi_setup("!Windows 2006");
149         acpi_osi_setup("!Windows 2006 SP1");
150         acpi_osi_setup("!Windows 2006 SP2");
151         return 0;
152 }
153 static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
154 {
155         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
156         acpi_osi_setup("!Windows 2009");
157         return 0;
158 }
159 static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)
160 {
161         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
162         acpi_osi_setup("!Windows 2012");
163         return 0;
164 }
165
166 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
167         {
168         .callback = dmi_disable_osi_vista,
169         .ident = "Fujitsu Siemens",
170         .matches = {
171                      DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
172                      DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
173                 },
174         },
175         {
176         /*
177          * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
178          * driver (e.g. nouveau) when user press brightness hotkey.
179          * Currently, nouveau driver didn't do the job and it causes there
180          * have a infinite while loop in DSDT when user press hotkey.
181          * We add MSI GX723's dmi information to this table for workaround
182          * this issue.
183          * Will remove MSI GX723 from the table after nouveau grows support.
184          */
185         .callback = dmi_disable_osi_vista,
186         .ident = "MSI GX723",
187         .matches = {
188                      DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
189                      DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
190                 },
191         },
192         {
193         .callback = dmi_disable_osi_vista,
194         .ident = "Sony VGN-NS10J_S",
195         .matches = {
196                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
197                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
198                 },
199         },
200         {
201         .callback = dmi_disable_osi_vista,
202         .ident = "Sony VGN-SR290J",
203         .matches = {
204                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
205                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),
206                 },
207         },
208         {
209         .callback = dmi_disable_osi_vista,
210         .ident = "VGN-NS50B_L",
211         .matches = {
212                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
213                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),
214                 },
215         },
216         {
217         .callback = dmi_disable_osi_vista,
218         .ident = "Toshiba Satellite L355",
219         .matches = {
220                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
221                      DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
222                 },
223         },
224         {
225         .callback = dmi_disable_osi_win7,
226         .ident = "ASUS K50IJ",
227         .matches = {
228                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
229                      DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
230                 },
231         },
232         {
233         .callback = dmi_disable_osi_vista,
234         .ident = "Toshiba P305D",
235         .matches = {
236                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
237                      DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
238                 },
239         },
240         {
241         .callback = dmi_disable_osi_vista,
242         .ident = "Toshiba NB100",
243         .matches = {
244                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
245                      DMI_MATCH(DMI_PRODUCT_NAME, "NB100"),
246                 },
247         },
248
249         /*
250          * The following machines have broken backlight support when reporting
251          * the Windows 2012 OSI, so disable it until their support is fixed.
252          */
253         {
254         .callback = dmi_disable_osi_win8,
255         .ident = "ASUS Zenbook Prime UX31A",
256         .matches = {
257                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
258                      DMI_MATCH(DMI_PRODUCT_NAME, "UX31A"),
259                 },
260         },
261         {
262         .callback = dmi_disable_osi_win8,
263         .ident = "Dell Inspiron 15R SE",
264         .matches = {
265                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
266                      DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"),
267                 },
268         },
269         {
270         .callback = dmi_disable_osi_win8,
271         .ident = "ThinkPad Edge E530",
272         .matches = {
273                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
274                      DMI_MATCH(DMI_PRODUCT_VERSION, "3259A2G"),
275                 },
276         },
277         {
278         .callback = dmi_disable_osi_win8,
279         .ident = "ThinkPad Edge E530",
280         .matches = {
281                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
282                      DMI_MATCH(DMI_PRODUCT_VERSION, "3259CTO"),
283                 },
284         },
285         {
286         .callback = dmi_disable_osi_win8,
287         .ident = "ThinkPad Edge E530",
288         .matches = {
289                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
290                      DMI_MATCH(DMI_PRODUCT_VERSION, "3259HJG"),
291                 },
292         },
293         {
294         .callback = dmi_disable_osi_win8,
295         .ident = "Acer Aspire V5-573G",
296         .matches = {
297                      DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"),
298                      DMI_MATCH(DMI_PRODUCT_VERSION, "V5-573G/Dazzle_HW"),
299                 },
300         },
301         {
302         .callback = dmi_disable_osi_win8,
303         .ident = "Acer Aspire V5-572G",
304         .matches = {
305                      DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"),
306                      DMI_MATCH(DMI_PRODUCT_VERSION, "V5-572G/Dazzle_CX"),
307                 },
308         },
309         {
310         .callback = dmi_disable_osi_win8,
311         .ident = "ThinkPad T431s",
312         .matches = {
313                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
314                      DMI_MATCH(DMI_PRODUCT_VERSION, "20AACTO1WW"),
315                 },
316         },
317         {
318         .callback = dmi_disable_osi_win8,
319         .ident = "ThinkPad T430",
320         .matches = {
321                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
322                      DMI_MATCH(DMI_PRODUCT_VERSION, "2349D15"),
323                 },
324         },
325         {
326         .callback = dmi_disable_osi_win8,
327         .ident = "HP ProBook 2013 models",
328         .matches = {
329                      DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
330                      DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook "),
331                      DMI_MATCH(DMI_PRODUCT_NAME, " G1"),
332                 },
333         },
334         {
335         .callback = dmi_disable_osi_win8,
336         .ident = "HP EliteBook 2013 models",
337         .matches = {
338                      DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
339                      DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook "),
340                      DMI_MATCH(DMI_PRODUCT_NAME, " G1"),
341                 },
342         },
343         {
344         .callback = dmi_disable_osi_win8,
345         .ident = "HP ZBook 14",
346         .matches = {
347                      DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
348                      DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 14"),
349                 },
350         },
351         {
352         .callback = dmi_disable_osi_win8,
353         .ident = "HP ZBook 15",
354         .matches = {
355                      DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
356                      DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 15"),
357                 },
358         },
359         {
360         .callback = dmi_disable_osi_win8,
361         .ident = "HP ZBook 17",
362         .matches = {
363                      DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
364                      DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 17"),
365                 },
366         },
367         {
368         .callback = dmi_disable_osi_win8,
369         .ident = "HP EliteBook 8780w",
370         .matches = {
371                      DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
372                      DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 8780w"),
373                 },
374         },
375
376         /*
377          * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
378          * Linux ignores it, except for the machines enumerated below.
379          */
380
381         /*
382          * Lenovo has a mix of systems OSI(Linux) situations
383          * and thus we can not wildcard the vendor.
384          *
385          * _OSI(Linux) helps sound
386          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
387          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
388          * T400, T500
389          * _OSI(Linux) has Linux specific hooks
390          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
391          * _OSI(Linux) is a NOP:
392          * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
393          * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
394          */
395         {
396         .callback = dmi_enable_osi_linux,
397         .ident = "Lenovo ThinkPad R61",
398         .matches = {
399                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
400                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
401                 },
402         },
403         {
404         .callback = dmi_enable_osi_linux,
405         .ident = "Lenovo ThinkPad T61",
406         .matches = {
407                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
408                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
409                 },
410         },
411         {
412         .callback = dmi_enable_osi_linux,
413         .ident = "Lenovo ThinkPad X61",
414         .matches = {
415                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
416                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
417                 },
418         },
419         {
420         .callback = dmi_enable_osi_linux,
421         .ident = "Lenovo ThinkPad T400",
422         .matches = {
423                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
424                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"),
425                 },
426         },
427         {
428         .callback = dmi_enable_osi_linux,
429         .ident = "Lenovo ThinkPad T500",
430         .matches = {
431                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
432                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"),
433                 },
434         },
435         {}
436 };
437
438 #endif /* CONFIG_DMI */