Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[linux-drm-fsl-dcu.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 <acpi/acpi_bus.h>
34 #include <linux/dmi.h>
35
36 #include "internal.h"
37
38 enum acpi_blacklist_predicates {
39         all_versions,
40         less_than_or_equal,
41         equal,
42         greater_than_or_equal,
43 };
44
45 struct acpi_blacklist_item {
46         char oem_id[7];
47         char oem_table_id[9];
48         u32 oem_revision;
49         char *table;
50         enum acpi_blacklist_predicates oem_revision_predicate;
51         char *reason;
52         u32 is_critical_error;
53 };
54
55 static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
56
57 /*
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.
60  */
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,
73          "Incorrect _ADR", 1},
74
75         {""}
76 };
77
78 int __init acpi_blacklisted(void)
79 {
80         int i = 0;
81         int blacklisted = 0;
82         struct acpi_table_header table_header;
83
84         while (acpi_blacklist[i].oem_id[0] != '\0') {
85                 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
86                         i++;
87                         continue;
88                 }
89
90                 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
91                         i++;
92                         continue;
93                 }
94
95                 if (strncmp
96                     (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
97                      8)) {
98                         i++;
99                         continue;
100                 }
101
102                 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
103                     || (acpi_blacklist[i].oem_revision_predicate ==
104                         less_than_or_equal
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)) {
114
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);
121
122                         printk(KERN_ERR PREFIX
123                                "Reason: %s. This is a %s error\n",
124                                acpi_blacklist[i].reason,
125                                (acpi_blacklist[i].
126                                 is_critical_error ? "non-recoverable" :
127                                 "recoverable"));
128
129                         blacklisted = acpi_blacklist[i].is_critical_error;
130                         break;
131                 } else {
132                         i++;
133                 }
134         }
135
136         dmi_check_system(acpi_osi_dmi_table);
137
138         return blacklisted;
139 }
140 #ifdef CONFIG_DMI
141 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
142 {
143         acpi_dmi_osi_linux(1, d);       /* enable */
144         return 0;
145 }
146 static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
147 {
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");
152         return 0;
153 }
154 static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
155 {
156         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
157         acpi_osi_setup("!Windows 2009");
158         return 0;
159 }
160 static int __init dmi_disable_osi_win8(const struct dmi_system_id *d)
161 {
162         printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
163         acpi_osi_setup("!Windows 2012");
164         return 0;
165 }
166
167 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
168         {
169         .callback = dmi_disable_osi_vista,
170         .ident = "Fujitsu Siemens",
171         .matches = {
172                      DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
173                      DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
174                 },
175         },
176         {
177         /*
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
183          * this issue.
184          * Will remove MSI GX723 from the table after nouveau grows support.
185          */
186         .callback = dmi_disable_osi_vista,
187         .ident = "MSI GX723",
188         .matches = {
189                      DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
190                      DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
191                 },
192         },
193         {
194         .callback = dmi_disable_osi_vista,
195         .ident = "Sony VGN-NS10J_S",
196         .matches = {
197                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
198                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
199                 },
200         },
201         {
202         .callback = dmi_disable_osi_vista,
203         .ident = "Sony VGN-SR290J",
204         .matches = {
205                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
206                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),
207                 },
208         },
209         {
210         .callback = dmi_disable_osi_vista,
211         .ident = "VGN-NS50B_L",
212         .matches = {
213                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
214                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),
215                 },
216         },
217         {
218         .callback = dmi_disable_osi_vista,
219         .ident = "Toshiba Satellite L355",
220         .matches = {
221                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
222                      DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
223                 },
224         },
225         {
226         .callback = dmi_disable_osi_win7,
227         .ident = "ASUS K50IJ",
228         .matches = {
229                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
230                      DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
231                 },
232         },
233         {
234         .callback = dmi_disable_osi_vista,
235         .ident = "Toshiba P305D",
236         .matches = {
237                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
238                      DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
239                 },
240         },
241         {
242         .callback = dmi_disable_osi_vista,
243         .ident = "Toshiba NB100",
244         .matches = {
245                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
246                      DMI_MATCH(DMI_PRODUCT_NAME, "NB100"),
247                 },
248         },
249
250         /*
251          * The following machines have broken backlight support when reporting
252          * the Windows 2012 OSI, so disable it until their support is fixed.
253          */
254         {
255         .callback = dmi_disable_osi_win8,
256         .ident = "ASUS Zenbook Prime UX31A",
257         .matches = {
258                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
259                      DMI_MATCH(DMI_PRODUCT_NAME, "UX31A"),
260                 },
261         },
262         {
263         .callback = dmi_disable_osi_win8,
264         .ident = "Dell Inspiron 15R SE",
265         .matches = {
266                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
267                      DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"),
268                 },
269         },
270         {
271         .callback = dmi_disable_osi_win8,
272         .ident = "ThinkPad Edge E530",
273         .matches = {
274                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
275                      DMI_MATCH(DMI_PRODUCT_VERSION, "3259A2G"),
276                 },
277         },
278         {
279         .callback = dmi_disable_osi_win8,
280         .ident = "ThinkPad Edge E530",
281         .matches = {
282                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
283                      DMI_MATCH(DMI_PRODUCT_VERSION, "3259CTO"),
284                 },
285         },
286         {
287         .callback = dmi_disable_osi_win8,
288         .ident = "ThinkPad Edge E530",
289         .matches = {
290                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
291                      DMI_MATCH(DMI_PRODUCT_VERSION, "3259HJG"),
292                 },
293         },
294         {
295         .callback = dmi_disable_osi_win8,
296         .ident = "Acer Aspire V5-573G",
297         .matches = {
298                      DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"),
299                      DMI_MATCH(DMI_PRODUCT_VERSION, "V5-573G/Dazzle_HW"),
300                 },
301         },
302         {
303         .callback = dmi_disable_osi_win8,
304         .ident = "Acer Aspire V5-572G",
305         .matches = {
306                      DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"),
307                      DMI_MATCH(DMI_PRODUCT_VERSION, "V5-572G/Dazzle_CX"),
308                 },
309         },
310         {
311         .callback = dmi_disable_osi_win8,
312         .ident = "ThinkPad T431s",
313         .matches = {
314                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
315                      DMI_MATCH(DMI_PRODUCT_VERSION, "20AACTO1WW"),
316                 },
317         },
318         {
319         .callback = dmi_disable_osi_win8,
320         .ident = "ThinkPad T430",
321         .matches = {
322                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
323                      DMI_MATCH(DMI_PRODUCT_VERSION, "2349D15"),
324                 },
325         },
326
327         /*
328          * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
329          * Linux ignores it, except for the machines enumerated below.
330          */
331
332         /*
333          * Lenovo has a mix of systems OSI(Linux) situations
334          * and thus we can not wildcard the vendor.
335          *
336          * _OSI(Linux) helps sound
337          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
338          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
339          * T400, T500
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"),
345          */
346         {
347         .callback = dmi_enable_osi_linux,
348         .ident = "Lenovo ThinkPad R61",
349         .matches = {
350                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
351                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
352                 },
353         },
354         {
355         .callback = dmi_enable_osi_linux,
356         .ident = "Lenovo ThinkPad T61",
357         .matches = {
358                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
359                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
360                 },
361         },
362         {
363         .callback = dmi_enable_osi_linux,
364         .ident = "Lenovo ThinkPad X61",
365         .matches = {
366                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
367                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
368                 },
369         },
370         {
371         .callback = dmi_enable_osi_linux,
372         .ident = "Lenovo ThinkPad T400",
373         .matches = {
374                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
375                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"),
376                 },
377         },
378         {
379         .callback = dmi_enable_osi_linux,
380         .ident = "Lenovo ThinkPad T500",
381         .matches = {
382                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
383                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"),
384                 },
385         },
386         {}
387 };
388
389 #endif /* CONFIG_DMI */