45390a953fb2d5b6a77ee84787eeb6685df90ec5
[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  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24  */
25
26 #include <linux/kernel.h>
27 #include <linux/init.h>
28 #include <linux/acpi.h>
29 #include <linux/dmi.h>
30
31 #include "internal.h"
32
33 enum acpi_blacklist_predicates {
34         all_versions,
35         less_than_or_equal,
36         equal,
37         greater_than_or_equal,
38 };
39
40 struct acpi_blacklist_item {
41         char oem_id[7];
42         char oem_table_id[9];
43         u32 oem_revision;
44         char *table;
45         enum acpi_blacklist_predicates oem_revision_predicate;
46         char *reason;
47         u32 is_critical_error;
48 };
49
50 static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
51
52 /*
53  * POLICY: If *anything* doesn't work, put it on the blacklist.
54  *         If they are critical errors, mark it critical, and abort driver load.
55  */
56 static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
57         /* Compaq Presario 1700 */
58         {"PTLTD ", "  DSDT  ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
59          "Multiple problems", 1},
60         /* Sony FX120, FX140, FX150? */
61         {"SONY  ", "U0      ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
62          "ACPI driver problem", 1},
63         /* Compaq Presario 800, Insyde BIOS */
64         {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
65          "Does not use _REG to protect EC OpRegions", 1},
66         /* IBM 600E - _ADR should return 7, but it returns 1 */
67         {"IBM   ", "TP600E  ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
68          "Incorrect _ADR", 1},
69
70         {""}
71 };
72
73 int __init acpi_blacklisted(void)
74 {
75         int i = 0;
76         int blacklisted = 0;
77         struct acpi_table_header table_header;
78
79         while (acpi_blacklist[i].oem_id[0] != '\0') {
80                 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
81                         i++;
82                         continue;
83                 }
84
85                 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
86                         i++;
87                         continue;
88                 }
89
90                 if (strncmp
91                     (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
92                      8)) {
93                         i++;
94                         continue;
95                 }
96
97                 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
98                     || (acpi_blacklist[i].oem_revision_predicate ==
99                         less_than_or_equal
100                         && table_header.oem_revision <=
101                         acpi_blacklist[i].oem_revision)
102                     || (acpi_blacklist[i].oem_revision_predicate ==
103                         greater_than_or_equal
104                         && table_header.oem_revision >=
105                         acpi_blacklist[i].oem_revision)
106                     || (acpi_blacklist[i].oem_revision_predicate == equal
107                         && table_header.oem_revision ==
108                         acpi_blacklist[i].oem_revision)) {
109
110                         printk(KERN_ERR PREFIX
111                                "Vendor \"%6.6s\" System \"%8.8s\" "
112                                "Revision 0x%x has a known ACPI BIOS problem.\n",
113                                acpi_blacklist[i].oem_id,
114                                acpi_blacklist[i].oem_table_id,
115                                acpi_blacklist[i].oem_revision);
116
117                         printk(KERN_ERR PREFIX
118                                "Reason: %s. This is a %s error\n",
119                                acpi_blacklist[i].reason,
120                                (acpi_blacklist[i].
121                                 is_critical_error ? "non-recoverable" :
122                                 "recoverable"));
123
124                         blacklisted = acpi_blacklist[i].is_critical_error;
125                         break;
126                 } else {
127                         i++;
128                 }
129         }
130
131         dmi_check_system(acpi_osi_dmi_table);
132
133         return blacklisted;
134 }
135 #ifdef CONFIG_DMI
136 static int __init dmi_enable_osi_darwin(const struct dmi_system_id *d)
137 {
138         acpi_dmi_osi_darwin(1, d);      /* enable */
139         return 0;
140 }
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 #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
167 static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
168 {
169         printk(KERN_NOTICE PREFIX "DMI detected: %s (force ACPI _REV to 5)\n",
170                d->ident);
171         acpi_rev_override_setup(NULL);
172         return 0;
173 }
174 #endif
175
176 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
177         {
178         .callback = dmi_disable_osi_vista,
179         .ident = "Fujitsu Siemens",
180         .matches = {
181                      DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
182                      DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
183                 },
184         },
185         {
186         /*
187          * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
188          * driver (e.g. nouveau) when user press brightness hotkey.
189          * Currently, nouveau driver didn't do the job and it causes there
190          * have a infinite while loop in DSDT when user press hotkey.
191          * We add MSI GX723's dmi information to this table for workaround
192          * this issue.
193          * Will remove MSI GX723 from the table after nouveau grows support.
194          */
195         .callback = dmi_disable_osi_vista,
196         .ident = "MSI GX723",
197         .matches = {
198                      DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
199                      DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
200                 },
201         },
202         {
203         .callback = dmi_disable_osi_vista,
204         .ident = "Sony VGN-NS10J_S",
205         .matches = {
206                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
207                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
208                 },
209         },
210         {
211         .callback = dmi_disable_osi_vista,
212         .ident = "Sony VGN-SR290J",
213         .matches = {
214                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
215                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),
216                 },
217         },
218         {
219         .callback = dmi_disable_osi_vista,
220         .ident = "VGN-NS50B_L",
221         .matches = {
222                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
223                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),
224                 },
225         },
226         {
227         .callback = dmi_disable_osi_vista,
228         .ident = "VGN-SR19XN",
229         .matches = {
230                      DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
231                      DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR19XN"),
232                 },
233         },
234         {
235         .callback = dmi_disable_osi_vista,
236         .ident = "Toshiba Satellite L355",
237         .matches = {
238                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
239                      DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
240                 },
241         },
242         {
243         .callback = dmi_disable_osi_win7,
244         .ident = "ASUS K50IJ",
245         .matches = {
246                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
247                      DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
248                 },
249         },
250         {
251         .callback = dmi_disable_osi_vista,
252         .ident = "Toshiba P305D",
253         .matches = {
254                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
255                      DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
256                 },
257         },
258         {
259         .callback = dmi_disable_osi_vista,
260         .ident = "Toshiba NB100",
261         .matches = {
262                      DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
263                      DMI_MATCH(DMI_PRODUCT_NAME, "NB100"),
264                 },
265         },
266
267         /*
268          * The wireless hotkey does not work on those machines when
269          * returning true for _OSI("Windows 2012")
270          */
271         {
272         .callback = dmi_disable_osi_win8,
273         .ident = "Dell Inspiron 7737",
274         .matches = {
275                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
276                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"),
277                 },
278         },
279         {
280         .callback = dmi_disable_osi_win8,
281         .ident = "Dell Inspiron 7537",
282         .matches = {
283                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
284                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),
285                 },
286         },
287         {
288         .callback = dmi_disable_osi_win8,
289         .ident = "Dell Inspiron 5437",
290         .matches = {
291                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
292                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"),
293                 },
294         },
295         {
296         .callback = dmi_disable_osi_win8,
297         .ident = "Dell Inspiron 3437",
298         .matches = {
299                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
300                     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"),
301                 },
302         },
303         {
304         .callback = dmi_disable_osi_win8,
305         .ident = "Dell Vostro 3446",
306         .matches = {
307                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
308                     DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"),
309                 },
310         },
311         {
312         .callback = dmi_disable_osi_win8,
313         .ident = "Dell Vostro 3546",
314         .matches = {
315                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
316                     DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"),
317                 },
318         },
319
320         /*
321          * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
322          * Linux ignores it, except for the machines enumerated below.
323          */
324
325         /*
326          * Without this this EEEpc exports a non working WMI interface, with
327          * this it exports a working "good old" eeepc_laptop interface, fixing
328          * both brightness control, and rfkill not working.
329          */
330         {
331         .callback = dmi_enable_osi_linux,
332         .ident = "Asus EEE PC 1015PX",
333         .matches = {
334                      DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
335                      DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),
336                 },
337         },
338
339         /*
340          * Enable _OSI("Darwin") for all apple platforms.
341          */
342         {
343         .callback = dmi_enable_osi_darwin,
344         .ident = "Apple hardware",
345         .matches = {
346                      DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
347                 },
348         },
349         {
350         .callback = dmi_enable_osi_darwin,
351         .ident = "Apple hardware",
352         .matches = {
353                      DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),
354                 },
355         },
356
357 #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
358         /*
359          * DELL XPS 13 (2015) switches sound between HDA and I2S
360          * depending on the ACPI _REV callback. If userspace supports
361          * I2S sufficiently (or if you do not care about sound), you
362          * can safely disable this quirk.
363          */
364         {
365          .callback = dmi_enable_rev_override,
366          .ident = "DELL XPS 13 (2015)",
367          .matches = {
368                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
369                       DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"),
370                 },
371         },
372 #endif
373         {}
374 };
375
376 #endif /* CONFIG_DMI */