Commit | Line | Data |
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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 | 30 | #include <linux/kernel.h> |
1da177e4 LT |
31 | #include <linux/init.h> |
32 | #include <linux/acpi.h> | |
33 | #include <acpi/acpi_bus.h> | |
34 | #include <linux/dmi.h> | |
35 | ||
a192a958 LB |
36 | #include "internal.h" |
37 | ||
4be44fcd LB |
38 | enum acpi_blacklist_predicates { |
39 | all_versions, | |
40 | less_than_or_equal, | |
41 | equal, | |
42 | greater_than_or_equal, | |
1da177e4 LT |
43 | }; |
44 | ||
4be44fcd LB |
45 | struct acpi_blacklist_item { |
46 | char oem_id[7]; | |
47 | char oem_table_id[9]; | |
48 | u32 oem_revision; | |
ad71860a | 49 | char *table; |
4be44fcd LB |
50 | enum acpi_blacklist_predicates oem_revision_predicate; |
51 | char *reason; | |
52 | u32 is_critical_error; | |
1da177e4 LT |
53 | }; |
54 | ||
d4b7dc49 LB |
55 | static struct dmi_system_id acpi_osi_dmi_table[] __initdata; |
56 | ||
1da177e4 LT |
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 | */ | |
4be44fcd | 61 | static struct acpi_blacklist_item acpi_blacklist[] __initdata = { |
1da177e4 | 62 | /* Compaq Presario 1700 */ |
ad71860a | 63 | {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 64 | "Multiple problems", 1}, |
1da177e4 | 65 | /* Sony FX120, FX140, FX150? */ |
ad71860a | 66 | {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 67 | "ACPI driver problem", 1}, |
1da177e4 | 68 | /* Compaq Presario 800, Insyde BIOS */ |
ad71860a | 69 | {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 70 | "Does not use _REG to protect EC OpRegions", 1}, |
1da177e4 | 71 | /* IBM 600E - _ADR should return 7, but it returns 1 */ |
ad71860a | 72 | {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal, |
4be44fcd | 73 | "Incorrect _ADR", 1}, |
1da177e4 LT |
74 | |
75 | {""} | |
76 | }; | |
77 | ||
1da177e4 LT |
78 | #if CONFIG_ACPI_BLACKLIST_YEAR |
79 | ||
4be44fcd | 80 | static int __init blacklist_by_year(void) |
1da177e4 | 81 | { |
3e5cd1f2 TH |
82 | int year; |
83 | ||
f083a329 | 84 | /* Doesn't exist? Likely an old system */ |
3e5cd1f2 | 85 | if (!dmi_get_date(DMI_BIOS_DATE, &year, NULL, NULL)) { |
5b27b176 AGACI |
86 | printk(KERN_ERR PREFIX "no DMI BIOS year, " |
87 | "acpi=force is required to enable ACPI\n" ); | |
f083a329 | 88 | return 1; |
5b27b176 | 89 | } |
f083a329 | 90 | /* 0? Likely a buggy new BIOS */ |
5b27b176 AGACI |
91 | if (year == 0) { |
92 | printk(KERN_ERR PREFIX "DMI BIOS year==0, " | |
93 | "assuming ACPI-capable machine\n" ); | |
1da177e4 | 94 | return 0; |
5b27b176 | 95 | } |
1da177e4 | 96 | if (year < CONFIG_ACPI_BLACKLIST_YEAR) { |
4be44fcd LB |
97 | printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), " |
98 | "acpi=force is required to enable ACPI\n", | |
99 | year, CONFIG_ACPI_BLACKLIST_YEAR); | |
1da177e4 LT |
100 | return 1; |
101 | } | |
102 | return 0; | |
103 | } | |
104 | #else | |
4be44fcd LB |
105 | static inline int blacklist_by_year(void) |
106 | { | |
107 | return 0; | |
108 | } | |
1da177e4 LT |
109 | #endif |
110 | ||
4be44fcd | 111 | int __init acpi_blacklisted(void) |
1da177e4 LT |
112 | { |
113 | int i = 0; | |
114 | int blacklisted = 0; | |
428f2112 | 115 | struct acpi_table_header table_header; |
1da177e4 | 116 | |
4be44fcd | 117 | while (acpi_blacklist[i].oem_id[0] != '\0') { |
ad71860a | 118 | if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) { |
1da177e4 LT |
119 | i++; |
120 | continue; | |
121 | } | |
122 | ||
428f2112 | 123 | if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) { |
1da177e4 LT |
124 | i++; |
125 | continue; | |
126 | } | |
127 | ||
4be44fcd | 128 | if (strncmp |
428f2112 | 129 | (acpi_blacklist[i].oem_table_id, table_header.oem_table_id, |
4be44fcd | 130 | 8)) { |
1da177e4 LT |
131 | i++; |
132 | continue; | |
133 | } | |
134 | ||
135 | if ((acpi_blacklist[i].oem_revision_predicate == all_versions) | |
4be44fcd LB |
136 | || (acpi_blacklist[i].oem_revision_predicate == |
137 | less_than_or_equal | |
428f2112 | 138 | && table_header.oem_revision <= |
4be44fcd LB |
139 | acpi_blacklist[i].oem_revision) |
140 | || (acpi_blacklist[i].oem_revision_predicate == | |
141 | greater_than_or_equal | |
428f2112 | 142 | && table_header.oem_revision >= |
4be44fcd | 143 | acpi_blacklist[i].oem_revision) |
1da177e4 | 144 | || (acpi_blacklist[i].oem_revision_predicate == equal |
428f2112 | 145 | && table_header.oem_revision == |
4be44fcd LB |
146 | acpi_blacklist[i].oem_revision)) { |
147 | ||
148 | printk(KERN_ERR PREFIX | |
149 | "Vendor \"%6.6s\" System \"%8.8s\" " | |
150 | "Revision 0x%x has a known ACPI BIOS problem.\n", | |
151 | acpi_blacklist[i].oem_id, | |
152 | acpi_blacklist[i].oem_table_id, | |
153 | acpi_blacklist[i].oem_revision); | |
154 | ||
155 | printk(KERN_ERR PREFIX | |
156 | "Reason: %s. This is a %s error\n", | |
157 | acpi_blacklist[i].reason, | |
158 | (acpi_blacklist[i]. | |
159 | is_critical_error ? "non-recoverable" : | |
160 | "recoverable")); | |
1da177e4 LT |
161 | |
162 | blacklisted = acpi_blacklist[i].is_critical_error; | |
163 | break; | |
4be44fcd | 164 | } else { |
1da177e4 LT |
165 | i++; |
166 | } | |
167 | } | |
168 | ||
169 | blacklisted += blacklist_by_year(); | |
170 | ||
d4b7dc49 LB |
171 | dmi_check_system(acpi_osi_dmi_table); |
172 | ||
1da177e4 LT |
173 | return blacklisted; |
174 | } | |
d4b7dc49 | 175 | #ifdef CONFIG_DMI |
98f1db22 LB |
176 | static int __init dmi_enable_osi_linux(const struct dmi_system_id *d) |
177 | { | |
178 | acpi_dmi_osi_linux(1, d); /* enable */ | |
179 | return 0; | |
180 | } | |
46c1fbdb LB |
181 | static int __init dmi_disable_osi_vista(const struct dmi_system_id *d) |
182 | { | |
183 | printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); | |
184 | acpi_osi_setup("!Windows 2006"); | |
bbb7030f LB |
185 | acpi_osi_setup("!Windows 2006 SP1"); |
186 | acpi_osi_setup("!Windows 2006 SP2"); | |
46c1fbdb LB |
187 | return 0; |
188 | } | |
81074e90 ZR |
189 | static int __init dmi_disable_osi_win7(const struct dmi_system_id *d) |
190 | { | |
191 | printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); | |
192 | acpi_osi_setup("!Windows 2009"); | |
193 | return 0; | |
194 | } | |
a1bd4e35 | 195 | |
d4b7dc49 | 196 | static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { |
46c1fbdb LB |
197 | { |
198 | .callback = dmi_disable_osi_vista, | |
199 | .ident = "Fujitsu Siemens", | |
200 | .matches = { | |
201 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
a6e0887f | 202 | DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"), |
46c1fbdb LB |
203 | }, |
204 | }, | |
35a7c64f | 205 | { |
3deb11ef LCY |
206 | /* |
207 | * There have a NVIF method in MSI GX723 DSDT need call by Nvidia | |
208 | * driver (e.g. nouveau) when user press brightness hotkey. | |
209 | * Currently, nouveau driver didn't do the job and it causes there | |
210 | * have a infinite while loop in DSDT when user press hotkey. | |
211 | * We add MSI GX723's dmi information to this table for workaround | |
212 | * this issue. | |
213 | * Will remove MSI GX723 from the table after nouveau grows support. | |
214 | */ | |
215 | .callback = dmi_disable_osi_vista, | |
216 | .ident = "MSI GX723", | |
217 | .matches = { | |
218 | DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), | |
219 | DMI_MATCH(DMI_PRODUCT_NAME, "GX723"), | |
220 | }, | |
221 | }, | |
222 | { | |
35a7c64f ZR |
223 | .callback = dmi_disable_osi_vista, |
224 | .ident = "Sony VGN-NS10J_S", | |
225 | .matches = { | |
226 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
227 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"), | |
228 | }, | |
229 | }, | |
230 | { | |
231 | .callback = dmi_disable_osi_vista, | |
232 | .ident = "Sony VGN-SR290J", | |
233 | .matches = { | |
234 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
096486ee | 235 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"), |
35a7c64f ZR |
236 | }, |
237 | }, | |
81074e90 | 238 | { |
4b1b29bc ZR |
239 | .callback = dmi_disable_osi_vista, |
240 | .ident = "VGN-NS50B_L", | |
241 | .matches = { | |
242 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
243 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"), | |
244 | }, | |
245 | }, | |
246 | { | |
7a1d602f LB |
247 | .callback = dmi_disable_osi_vista, |
248 | .ident = "Toshiba Satellite L355", | |
249 | .matches = { | |
250 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
251 | DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"), | |
252 | }, | |
253 | }, | |
254 | { | |
81074e90 ZR |
255 | .callback = dmi_disable_osi_win7, |
256 | .ident = "ASUS K50IJ", | |
257 | .matches = { | |
258 | DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), | |
259 | DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"), | |
260 | }, | |
261 | }, | |
337279ce ZR |
262 | { |
263 | .callback = dmi_disable_osi_vista, | |
264 | .ident = "Toshiba P305D", | |
265 | .matches = { | |
266 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
267 | DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"), | |
268 | }, | |
269 | }, | |
a6e0887f | 270 | |
a1bd4e35 | 271 | /* |
a6e0887f LB |
272 | * BIOS invocation of _OSI(Linux) is almost always a BIOS bug. |
273 | * Linux ignores it, except for the machines enumerated below. | |
a1bd4e35 | 274 | */ |
a6e0887f | 275 | |
a1bd4e35 LB |
276 | /* |
277 | * Lenovo has a mix of systems OSI(Linux) situations | |
278 | * and thus we can not wildcard the vendor. | |
279 | * | |
98f1db22 LB |
280 | * _OSI(Linux) helps sound |
281 | * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), | |
282 | * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), | |
8b1edc57 | 283 | * T400, T500 |
bb54675b LB |
284 | * _OSI(Linux) has Linux specific hooks |
285 | * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), | |
a1bd4e35 LB |
286 | * _OSI(Linux) is a NOP: |
287 | * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"), | |
bb54675b | 288 | * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"), |
98f1db22 LB |
289 | */ |
290 | { | |
291 | .callback = dmi_enable_osi_linux, | |
292 | .ident = "Lenovo ThinkPad R61", | |
293 | .matches = { | |
294 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
295 | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), | |
296 | }, | |
297 | }, | |
298 | { | |
299 | .callback = dmi_enable_osi_linux, | |
300 | .ident = "Lenovo ThinkPad T61", | |
301 | .matches = { | |
302 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
303 | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), | |
304 | }, | |
305 | }, | |
a1bd4e35 | 306 | { |
bb54675b | 307 | .callback = dmi_enable_osi_linux, |
446b1dfc LB |
308 | .ident = "Lenovo ThinkPad X61", |
309 | .matches = { | |
310 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
311 | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), | |
312 | }, | |
313 | }, | |
8b1edc57 JY |
314 | { |
315 | .callback = dmi_enable_osi_linux, | |
316 | .ident = "Lenovo ThinkPad T400", | |
317 | .matches = { | |
318 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
319 | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"), | |
320 | }, | |
321 | }, | |
322 | { | |
323 | .callback = dmi_enable_osi_linux, | |
324 | .ident = "Lenovo ThinkPad T500", | |
325 | .matches = { | |
326 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
327 | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"), | |
328 | }, | |
329 | }, | |
feed5a88 HG |
330 | /* |
331 | * Without this this EEEpc exports a non working WMI interface, with | |
332 | * this it exports a working "good old" eeepc_laptop interface, fixing | |
333 | * both brightness control, and rfkill not working. | |
334 | */ | |
335 | { | |
336 | .callback = dmi_enable_osi_linux, | |
337 | .ident = "Asus EEE PC 1015PX", | |
338 | .matches = { | |
339 | DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), | |
340 | DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"), | |
341 | }, | |
342 | }, | |
d4b7dc49 LB |
343 | {} |
344 | }; | |
345 | ||
346 | #endif /* CONFIG_DMI */ |