Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[deliverable/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 #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
166 static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
167 {
168 printk(KERN_NOTICE PREFIX "DMI detected: %s (force ACPI _REV to 5)\n",
169 d->ident);
170 acpi_rev_override_setup(NULL);
171 return 0;
172 }
173 #endif
174
175 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
176 {
177 .callback = dmi_disable_osi_vista,
178 .ident = "Fujitsu Siemens",
179 .matches = {
180 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
181 DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
182 },
183 },
184 {
185 /*
186 * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
187 * driver (e.g. nouveau) when user press brightness hotkey.
188 * Currently, nouveau driver didn't do the job and it causes there
189 * have a infinite while loop in DSDT when user press hotkey.
190 * We add MSI GX723's dmi information to this table for workaround
191 * this issue.
192 * Will remove MSI GX723 from the table after nouveau grows support.
193 */
194 .callback = dmi_disable_osi_vista,
195 .ident = "MSI GX723",
196 .matches = {
197 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
198 DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
199 },
200 },
201 {
202 .callback = dmi_disable_osi_vista,
203 .ident = "Sony VGN-NS10J_S",
204 .matches = {
205 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
206 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
207 },
208 },
209 {
210 .callback = dmi_disable_osi_vista,
211 .ident = "Sony VGN-SR290J",
212 .matches = {
213 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
214 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"),
215 },
216 },
217 {
218 .callback = dmi_disable_osi_vista,
219 .ident = "VGN-NS50B_L",
220 .matches = {
221 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
222 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"),
223 },
224 },
225 {
226 .callback = dmi_disable_osi_vista,
227 .ident = "VGN-SR19XN",
228 .matches = {
229 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
230 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR19XN"),
231 },
232 },
233 {
234 .callback = dmi_disable_osi_vista,
235 .ident = "Toshiba Satellite L355",
236 .matches = {
237 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
238 DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
239 },
240 },
241 {
242 .callback = dmi_disable_osi_win7,
243 .ident = "ASUS K50IJ",
244 .matches = {
245 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
246 DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
247 },
248 },
249 {
250 .callback = dmi_disable_osi_vista,
251 .ident = "Toshiba P305D",
252 .matches = {
253 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
254 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
255 },
256 },
257 {
258 .callback = dmi_disable_osi_vista,
259 .ident = "Toshiba NB100",
260 .matches = {
261 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
262 DMI_MATCH(DMI_PRODUCT_NAME, "NB100"),
263 },
264 },
265
266 /*
267 * The wireless hotkey does not work on those machines when
268 * returning true for _OSI("Windows 2012")
269 */
270 {
271 .callback = dmi_disable_osi_win8,
272 .ident = "Dell Inspiron 7737",
273 .matches = {
274 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
275 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"),
276 },
277 },
278 {
279 .callback = dmi_disable_osi_win8,
280 .ident = "Dell Inspiron 7537",
281 .matches = {
282 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
283 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),
284 },
285 },
286 {
287 .callback = dmi_disable_osi_win8,
288 .ident = "Dell Inspiron 5437",
289 .matches = {
290 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
291 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"),
292 },
293 },
294 {
295 .callback = dmi_disable_osi_win8,
296 .ident = "Dell Inspiron 3437",
297 .matches = {
298 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
299 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"),
300 },
301 },
302 {
303 .callback = dmi_disable_osi_win8,
304 .ident = "Dell Vostro 3446",
305 .matches = {
306 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
307 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"),
308 },
309 },
310 {
311 .callback = dmi_disable_osi_win8,
312 .ident = "Dell Vostro 3546",
313 .matches = {
314 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
315 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"),
316 },
317 },
318
319 /*
320 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
321 * Linux ignores it, except for the machines enumerated below.
322 */
323
324 /*
325 * Without this this EEEpc exports a non working WMI interface, with
326 * this it exports a working "good old" eeepc_laptop interface, fixing
327 * both brightness control, and rfkill not working.
328 */
329 {
330 .callback = dmi_enable_osi_linux,
331 .ident = "Asus EEE PC 1015PX",
332 .matches = {
333 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
334 DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),
335 },
336 },
337
338 #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
339 /*
340 * DELL XPS 13 (2015) switches sound between HDA and I2S
341 * depending on the ACPI _REV callback. If userspace supports
342 * I2S sufficiently (or if you do not care about sound), you
343 * can safely disable this quirk.
344 */
345 {
346 .callback = dmi_enable_rev_override,
347 .ident = "DELL XPS 13 (2015)",
348 .matches = {
349 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
350 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"),
351 },
352 },
353 #endif
354 {}
355 };
356
357 #endif /* CONFIG_DMI */
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