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[].
8 * Copyright (C) 2004 Len Brown <len.brown@intel.com>
9 * Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
11 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.
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.
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.
27 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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>
38 enum acpi_blacklist_predicates
{
42 greater_than_or_equal
,
45 struct acpi_blacklist_item
{
50 enum acpi_blacklist_predicates oem_revision_predicate
;
52 u32 is_critical_error
;
55 static struct dmi_system_id acpi_osi_dmi_table
[] __initdata
;
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.
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
,
78 #if CONFIG_ACPI_BLACKLIST_YEAR
80 static int __init
blacklist_by_year(void)
84 /* Doesn't exist? Likely an old system */
85 if (!dmi_get_date(DMI_BIOS_DATE
, &year
, NULL
, NULL
)) {
86 printk(KERN_ERR PREFIX
"no DMI BIOS year, "
87 "acpi=force is required to enable ACPI\n" );
90 /* 0? Likely a buggy new BIOS */
92 printk(KERN_ERR PREFIX
"DMI BIOS year==0, "
93 "assuming ACPI-capable machine\n" );
96 if (year
< CONFIG_ACPI_BLACKLIST_YEAR
) {
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
);
105 static inline int blacklist_by_year(void)
111 int __init
acpi_blacklisted(void)
115 struct acpi_table_header table_header
;
117 while (acpi_blacklist
[i
].oem_id
[0] != '\0') {
118 if (acpi_get_table_header(acpi_blacklist
[i
].table
, 0, &table_header
)) {
123 if (strncmp(acpi_blacklist
[i
].oem_id
, table_header
.oem_id
, 6)) {
129 (acpi_blacklist
[i
].oem_table_id
, table_header
.oem_table_id
,
135 if ((acpi_blacklist
[i
].oem_revision_predicate
== all_versions
)
136 || (acpi_blacklist
[i
].oem_revision_predicate
==
138 && table_header
.oem_revision
<=
139 acpi_blacklist
[i
].oem_revision
)
140 || (acpi_blacklist
[i
].oem_revision_predicate
==
141 greater_than_or_equal
142 && table_header
.oem_revision
>=
143 acpi_blacklist
[i
].oem_revision
)
144 || (acpi_blacklist
[i
].oem_revision_predicate
== equal
145 && table_header
.oem_revision
==
146 acpi_blacklist
[i
].oem_revision
)) {
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
);
155 printk(KERN_ERR PREFIX
156 "Reason: %s. This is a %s error\n",
157 acpi_blacklist
[i
].reason
,
159 is_critical_error
? "non-recoverable" :
162 blacklisted
= acpi_blacklist
[i
].is_critical_error
;
169 blacklisted
+= blacklist_by_year();
171 dmi_check_system(acpi_osi_dmi_table
);
176 static int __init
dmi_enable_osi_linux(const struct dmi_system_id
*d
)
178 acpi_dmi_osi_linux(1, d
); /* enable */
181 static int __init
dmi_disable_osi_vista(const struct dmi_system_id
*d
)
183 printk(KERN_NOTICE PREFIX
"DMI detected: %s\n", d
->ident
);
184 acpi_osi_setup("!Windows 2006");
185 acpi_osi_setup("!Windows 2006 SP1");
186 acpi_osi_setup("!Windows 2006 SP2");
189 static int __init
dmi_disable_osi_win7(const struct dmi_system_id
*d
)
191 printk(KERN_NOTICE PREFIX
"DMI detected: %s\n", d
->ident
);
192 acpi_osi_setup("!Windows 2009");
195 static int __init
dmi_disable_osi_win8(const struct dmi_system_id
*d
)
197 printk(KERN_NOTICE PREFIX
"DMI detected: %s\n", d
->ident
);
198 acpi_osi_setup("!Windows 2012");
202 static struct dmi_system_id acpi_osi_dmi_table
[] __initdata
= {
204 .callback
= dmi_disable_osi_vista
,
205 .ident
= "Fujitsu Siemens",
207 DMI_MATCH(DMI_SYS_VENDOR
, "FUJITSU SIEMENS"),
208 DMI_MATCH(DMI_PRODUCT_NAME
, "ESPRIMO Mobile V5505"),
213 * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
214 * driver (e.g. nouveau) when user press brightness hotkey.
215 * Currently, nouveau driver didn't do the job and it causes there
216 * have a infinite while loop in DSDT when user press hotkey.
217 * We add MSI GX723's dmi information to this table for workaround
219 * Will remove MSI GX723 from the table after nouveau grows support.
221 .callback
= dmi_disable_osi_vista
,
222 .ident
= "MSI GX723",
224 DMI_MATCH(DMI_SYS_VENDOR
, "Micro-Star International"),
225 DMI_MATCH(DMI_PRODUCT_NAME
, "GX723"),
229 .callback
= dmi_disable_osi_vista
,
230 .ident
= "Sony VGN-NS10J_S",
232 DMI_MATCH(DMI_SYS_VENDOR
, "Sony Corporation"),
233 DMI_MATCH(DMI_PRODUCT_NAME
, "VGN-NS10J_S"),
237 .callback
= dmi_disable_osi_vista
,
238 .ident
= "Sony VGN-SR290J",
240 DMI_MATCH(DMI_SYS_VENDOR
, "Sony Corporation"),
241 DMI_MATCH(DMI_PRODUCT_NAME
, "VGN-SR290J"),
245 .callback
= dmi_disable_osi_vista
,
246 .ident
= "VGN-NS50B_L",
248 DMI_MATCH(DMI_SYS_VENDOR
, "Sony Corporation"),
249 DMI_MATCH(DMI_PRODUCT_NAME
, "VGN-NS50B_L"),
253 .callback
= dmi_disable_osi_vista
,
254 .ident
= "Toshiba Satellite L355",
256 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
257 DMI_MATCH(DMI_PRODUCT_VERSION
, "Satellite L355"),
261 .callback
= dmi_disable_osi_win7
,
262 .ident
= "ASUS K50IJ",
264 DMI_MATCH(DMI_SYS_VENDOR
, "ASUSTeK Computer Inc."),
265 DMI_MATCH(DMI_PRODUCT_NAME
, "K50IJ"),
269 .callback
= dmi_disable_osi_vista
,
270 .ident
= "Toshiba P305D",
272 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
273 DMI_MATCH(DMI_PRODUCT_NAME
, "Satellite P305D"),
277 .callback
= dmi_disable_osi_win8
,
278 .ident
= "ASUS Zenbook Prime UX31A",
280 DMI_MATCH(DMI_SYS_VENDOR
, "ASUSTeK COMPUTER INC."),
281 DMI_MATCH(DMI_PRODUCT_NAME
, "UX31A"),
285 .callback
= dmi_disable_osi_win8
,
286 .ident
= "Dell Inspiron 15R SE",
288 DMI_MATCH(DMI_SYS_VENDOR
, "Dell Inc."),
289 DMI_MATCH(DMI_PRODUCT_NAME
, "Inspiron 7520"),
293 .callback
= dmi_disable_osi_win8
,
294 .ident
= "Lenovo ThinkPad Edge E530",
296 DMI_MATCH(DMI_SYS_VENDOR
, "LENOVO"),
297 DMI_MATCH(DMI_PRODUCT_VERSION
, "3259A2G"),
302 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
303 * Linux ignores it, except for the machines enumerated below.
307 * Lenovo has a mix of systems OSI(Linux) situations
308 * and thus we can not wildcard the vendor.
310 * _OSI(Linux) helps sound
311 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
312 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
314 * _OSI(Linux) has Linux specific hooks
315 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
316 * _OSI(Linux) is a NOP:
317 * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
318 * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
321 .callback
= dmi_enable_osi_linux
,
322 .ident
= "Lenovo ThinkPad R61",
324 DMI_MATCH(DMI_SYS_VENDOR
, "LENOVO"),
325 DMI_MATCH(DMI_PRODUCT_VERSION
, "ThinkPad R61"),
329 .callback
= dmi_enable_osi_linux
,
330 .ident
= "Lenovo ThinkPad T61",
332 DMI_MATCH(DMI_SYS_VENDOR
, "LENOVO"),
333 DMI_MATCH(DMI_PRODUCT_VERSION
, "ThinkPad T61"),
337 .callback
= dmi_enable_osi_linux
,
338 .ident
= "Lenovo ThinkPad X61",
340 DMI_MATCH(DMI_SYS_VENDOR
, "LENOVO"),
341 DMI_MATCH(DMI_PRODUCT_VERSION
, "ThinkPad X61"),
345 .callback
= dmi_enable_osi_linux
,
346 .ident
= "Lenovo ThinkPad T400",
348 DMI_MATCH(DMI_SYS_VENDOR
, "LENOVO"),
349 DMI_MATCH(DMI_PRODUCT_VERSION
, "ThinkPad T400"),
353 .callback
= dmi_enable_osi_linux
,
354 .ident
= "Lenovo ThinkPad T500",
356 DMI_MATCH(DMI_SYS_VENDOR
, "LENOVO"),
357 DMI_MATCH(DMI_PRODUCT_VERSION
, "ThinkPad T500"),
363 #endif /* CONFIG_DMI */