Commit | Line | Data |
---|---|---|
1da177e4 LT |
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. | |
d4b7dc49 | 6 | * Check given machine against acpi_osi_dmi_table[]. |
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | ||
a192a958 LB |
37 | #include "internal.h" |
38 | ||
4be44fcd LB |
39 | enum acpi_blacklist_predicates { |
40 | all_versions, | |
41 | less_than_or_equal, | |
42 | equal, | |
43 | greater_than_or_equal, | |
1da177e4 LT |
44 | }; |
45 | ||
4be44fcd LB |
46 | struct acpi_blacklist_item { |
47 | char oem_id[7]; | |
48 | char oem_table_id[9]; | |
49 | u32 oem_revision; | |
ad71860a | 50 | char *table; |
4be44fcd LB |
51 | enum acpi_blacklist_predicates oem_revision_predicate; |
52 | char *reason; | |
53 | u32 is_critical_error; | |
1da177e4 LT |
54 | }; |
55 | ||
d4b7dc49 LB |
56 | static struct dmi_system_id acpi_osi_dmi_table[] __initdata; |
57 | ||
1da177e4 LT |
58 | /* |
59 | * POLICY: If *anything* doesn't work, put it on the blacklist. | |
60 | * If they are critical errors, mark it critical, and abort driver load. | |
61 | */ | |
4be44fcd | 62 | static struct acpi_blacklist_item acpi_blacklist[] __initdata = { |
1da177e4 | 63 | /* Compaq Presario 1700 */ |
ad71860a | 64 | {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 65 | "Multiple problems", 1}, |
1da177e4 | 66 | /* Sony FX120, FX140, FX150? */ |
ad71860a | 67 | {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 68 | "ACPI driver problem", 1}, |
1da177e4 | 69 | /* Compaq Presario 800, Insyde BIOS */ |
ad71860a | 70 | {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 71 | "Does not use _REG to protect EC OpRegions", 1}, |
1da177e4 | 72 | /* IBM 600E - _ADR should return 7, but it returns 1 */ |
ad71860a | 73 | {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 74 | "Incorrect _ADR", 1}, |
1da177e4 LT |
75 | |
76 | {""} | |
77 | }; | |
78 | ||
1da177e4 LT |
79 | #if CONFIG_ACPI_BLACKLIST_YEAR |
80 | ||
4be44fcd | 81 | static int __init blacklist_by_year(void) |
1da177e4 | 82 | { |
3e5cd1f2 TH |
83 | int year; |
84 | ||
f083a329 | 85 | /* Doesn't exist? Likely an old system */ |
3e5cd1f2 | 86 | if (!dmi_get_date(DMI_BIOS_DATE, &year, NULL, NULL)) { |
5b27b176 AGACI |
87 | printk(KERN_ERR PREFIX "no DMI BIOS year, " |
88 | "acpi=force is required to enable ACPI\n" ); | |
f083a329 | 89 | return 1; |
5b27b176 | 90 | } |
f083a329 | 91 | /* 0? Likely a buggy new BIOS */ |
5b27b176 AGACI |
92 | if (year == 0) { |
93 | printk(KERN_ERR PREFIX "DMI BIOS year==0, " | |
94 | "assuming ACPI-capable machine\n" ); | |
1da177e4 | 95 | return 0; |
5b27b176 | 96 | } |
1da177e4 | 97 | if (year < CONFIG_ACPI_BLACKLIST_YEAR) { |
4be44fcd LB |
98 | printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), " |
99 | "acpi=force is required to enable ACPI\n", | |
100 | year, CONFIG_ACPI_BLACKLIST_YEAR); | |
1da177e4 LT |
101 | return 1; |
102 | } | |
103 | return 0; | |
104 | } | |
105 | #else | |
4be44fcd LB |
106 | static inline int blacklist_by_year(void) |
107 | { | |
108 | return 0; | |
109 | } | |
1da177e4 LT |
110 | #endif |
111 | ||
4be44fcd | 112 | int __init acpi_blacklisted(void) |
1da177e4 LT |
113 | { |
114 | int i = 0; | |
115 | int blacklisted = 0; | |
428f2112 | 116 | struct acpi_table_header table_header; |
1da177e4 | 117 | |
4be44fcd | 118 | while (acpi_blacklist[i].oem_id[0] != '\0') { |
ad71860a | 119 | if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) { |
1da177e4 LT |
120 | i++; |
121 | continue; | |
122 | } | |
123 | ||
428f2112 | 124 | if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) { |
1da177e4 LT |
125 | i++; |
126 | continue; | |
127 | } | |
128 | ||
4be44fcd | 129 | if (strncmp |
428f2112 | 130 | (acpi_blacklist[i].oem_table_id, table_header.oem_table_id, |
4be44fcd | 131 | 8)) { |
1da177e4 LT |
132 | i++; |
133 | continue; | |
134 | } | |
135 | ||
136 | if ((acpi_blacklist[i].oem_revision_predicate == all_versions) | |
4be44fcd LB |
137 | || (acpi_blacklist[i].oem_revision_predicate == |
138 | less_than_or_equal | |
428f2112 | 139 | && table_header.oem_revision <= |
4be44fcd LB |
140 | acpi_blacklist[i].oem_revision) |
141 | || (acpi_blacklist[i].oem_revision_predicate == | |
142 | greater_than_or_equal | |
428f2112 | 143 | && table_header.oem_revision >= |
4be44fcd | 144 | acpi_blacklist[i].oem_revision) |
1da177e4 | 145 | || (acpi_blacklist[i].oem_revision_predicate == equal |
428f2112 | 146 | && table_header.oem_revision == |
4be44fcd LB |
147 | acpi_blacklist[i].oem_revision)) { |
148 | ||
149 | printk(KERN_ERR PREFIX | |
150 | "Vendor \"%6.6s\" System \"%8.8s\" " | |
151 | "Revision 0x%x has a known ACPI BIOS problem.\n", | |
152 | acpi_blacklist[i].oem_id, | |
153 | acpi_blacklist[i].oem_table_id, | |
154 | acpi_blacklist[i].oem_revision); | |
155 | ||
156 | printk(KERN_ERR PREFIX | |
157 | "Reason: %s. This is a %s error\n", | |
158 | acpi_blacklist[i].reason, | |
159 | (acpi_blacklist[i]. | |
160 | is_critical_error ? "non-recoverable" : | |
161 | "recoverable")); | |
1da177e4 LT |
162 | |
163 | blacklisted = acpi_blacklist[i].is_critical_error; | |
164 | break; | |
4be44fcd | 165 | } else { |
1da177e4 LT |
166 | i++; |
167 | } | |
168 | } | |
169 | ||
170 | blacklisted += blacklist_by_year(); | |
171 | ||
d4b7dc49 LB |
172 | dmi_check_system(acpi_osi_dmi_table); |
173 | ||
1da177e4 LT |
174 | return blacklisted; |
175 | } | |
d4b7dc49 | 176 | #ifdef CONFIG_DMI |
98f1db22 LB |
177 | static int __init dmi_enable_osi_linux(const struct dmi_system_id *d) |
178 | { | |
179 | acpi_dmi_osi_linux(1, d); /* enable */ | |
180 | return 0; | |
181 | } | |
46c1fbdb LB |
182 | static int __init dmi_disable_osi_vista(const struct dmi_system_id *d) |
183 | { | |
184 | printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); | |
185 | acpi_osi_setup("!Windows 2006"); | |
bbb7030f LB |
186 | acpi_osi_setup("!Windows 2006 SP1"); |
187 | acpi_osi_setup("!Windows 2006 SP2"); | |
46c1fbdb LB |
188 | return 0; |
189 | } | |
81074e90 ZR |
190 | static int __init dmi_disable_osi_win7(const struct dmi_system_id *d) |
191 | { | |
192 | printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); | |
193 | acpi_osi_setup("!Windows 2009"); | |
194 | return 0; | |
195 | } | |
a1bd4e35 | 196 | |
d4b7dc49 | 197 | static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { |
46c1fbdb LB |
198 | { |
199 | .callback = dmi_disable_osi_vista, | |
200 | .ident = "Fujitsu Siemens", | |
201 | .matches = { | |
202 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
a6e0887f | 203 | DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"), |
46c1fbdb LB |
204 | }, |
205 | }, | |
35a7c64f | 206 | { |
3deb11ef LCY |
207 | /* |
208 | * There have a NVIF method in MSI GX723 DSDT need call by Nvidia | |
209 | * driver (e.g. nouveau) when user press brightness hotkey. | |
210 | * Currently, nouveau driver didn't do the job and it causes there | |
211 | * have a infinite while loop in DSDT when user press hotkey. | |
212 | * We add MSI GX723's dmi information to this table for workaround | |
213 | * this issue. | |
214 | * Will remove MSI GX723 from the table after nouveau grows support. | |
215 | */ | |
216 | .callback = dmi_disable_osi_vista, | |
217 | .ident = "MSI GX723", | |
218 | .matches = { | |
219 | DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), | |
220 | DMI_MATCH(DMI_PRODUCT_NAME, "GX723"), | |
221 | }, | |
222 | }, | |
223 | { | |
35a7c64f ZR |
224 | .callback = dmi_disable_osi_vista, |
225 | .ident = "Sony VGN-NS10J_S", | |
226 | .matches = { | |
227 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
228 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"), | |
229 | }, | |
230 | }, | |
231 | { | |
232 | .callback = dmi_disable_osi_vista, | |
233 | .ident = "Sony VGN-SR290J", | |
234 | .matches = { | |
235 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
096486ee | 236 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"), |
35a7c64f ZR |
237 | }, |
238 | }, | |
81074e90 | 239 | { |
4b1b29bc ZR |
240 | .callback = dmi_disable_osi_vista, |
241 | .ident = "VGN-NS50B_L", | |
242 | .matches = { | |
243 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
244 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"), | |
245 | }, | |
246 | }, | |
247 | { | |
7a1d602f LB |
248 | .callback = dmi_disable_osi_vista, |
249 | .ident = "Toshiba Satellite L355", | |
250 | .matches = { | |
251 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
252 | DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"), | |
253 | }, | |
254 | }, | |
255 | { | |
81074e90 ZR |
256 | .callback = dmi_disable_osi_win7, |
257 | .ident = "ASUS K50IJ", | |
258 | .matches = { | |
259 | DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), | |
260 | DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"), | |
261 | }, | |
262 | }, | |
337279ce ZR |
263 | { |
264 | .callback = dmi_disable_osi_vista, | |
265 | .ident = "Toshiba P305D", | |
266 | .matches = { | |
267 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
268 | DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"), | |
269 | }, | |
270 | }, | |
a6e0887f | 271 | |
a1bd4e35 | 272 | /* |
a6e0887f LB |
273 | * BIOS invocation of _OSI(Linux) is almost always a BIOS bug. |
274 | * Linux ignores it, except for the machines enumerated below. | |
a1bd4e35 | 275 | */ |
a6e0887f | 276 | |
a1bd4e35 LB |
277 | /* |
278 | * Lenovo has a mix of systems OSI(Linux) situations | |
279 | * and thus we can not wildcard the vendor. | |
280 | * | |
98f1db22 LB |
281 | * _OSI(Linux) helps sound |
282 | * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), | |
283 | * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), | |
8b1edc57 | 284 | * T400, T500 |
bb54675b LB |
285 | * _OSI(Linux) has Linux specific hooks |
286 | * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), | |
a1bd4e35 LB |
287 | * _OSI(Linux) is a NOP: |
288 | * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"), | |
bb54675b | 289 | * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"), |
98f1db22 LB |
290 | */ |
291 | { | |
292 | .callback = dmi_enable_osi_linux, | |
293 | .ident = "Lenovo ThinkPad R61", | |
294 | .matches = { | |
295 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
296 | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), | |
297 | }, | |
298 | }, | |
299 | { | |
300 | .callback = dmi_enable_osi_linux, | |
301 | .ident = "Lenovo ThinkPad T61", | |
302 | .matches = { | |
303 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
304 | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), | |
305 | }, | |
306 | }, | |
a1bd4e35 | 307 | { |
bb54675b | 308 | .callback = dmi_enable_osi_linux, |
446b1dfc LB |
309 | .ident = "Lenovo ThinkPad X61", |
310 | .matches = { | |
311 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
312 | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), | |
313 | }, | |
314 | }, | |
8b1edc57 JY |
315 | { |
316 | .callback = dmi_enable_osi_linux, | |
317 | .ident = "Lenovo ThinkPad T400", | |
318 | .matches = { | |
319 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
320 | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"), | |
321 | }, | |
322 | }, | |
323 | { | |
324 | .callback = dmi_enable_osi_linux, | |
325 | .ident = "Lenovo ThinkPad T500", | |
326 | .matches = { | |
327 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
328 | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"), | |
329 | }, | |
330 | }, | |
d4b7dc49 LB |
331 | {} |
332 | }; | |
333 | ||
334 | #endif /* CONFIG_DMI */ |