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 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
26 #include <linux/kernel.h>
27 #include <linux/init.h>
28 #include <linux/acpi.h>
29 #include <linux/dmi.h>
33 enum acpi_blacklist_predicates
{
37 greater_than_or_equal
,
40 struct acpi_blacklist_item
{
45 enum acpi_blacklist_predicates oem_revision_predicate
;
47 u32 is_critical_error
;
50 static struct dmi_system_id acpi_osi_dmi_table
[] __initdata
;
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.
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
,
73 int __init
acpi_blacklisted(void)
77 struct acpi_table_header table_header
;
79 while (acpi_blacklist
[i
].oem_id
[0] != '\0') {
80 if (acpi_get_table_header(acpi_blacklist
[i
].table
, 0, &table_header
)) {
85 if (strncmp(acpi_blacklist
[i
].oem_id
, table_header
.oem_id
, 6)) {
91 (acpi_blacklist
[i
].oem_table_id
, table_header
.oem_table_id
,
97 if ((acpi_blacklist
[i
].oem_revision_predicate
== all_versions
)
98 || (acpi_blacklist
[i
].oem_revision_predicate
==
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
)) {
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
);
117 printk(KERN_ERR PREFIX
118 "Reason: %s. This is a %s error\n",
119 acpi_blacklist
[i
].reason
,
121 is_critical_error
? "non-recoverable" :
124 blacklisted
= acpi_blacklist
[i
].is_critical_error
;
131 dmi_check_system(acpi_osi_dmi_table
);
136 static int __init
dmi_enable_osi_linux(const struct dmi_system_id
*d
)
138 acpi_dmi_osi_linux(1, d
); /* enable */
141 static int __init
dmi_disable_osi_vista(const struct dmi_system_id
*d
)
143 printk(KERN_NOTICE PREFIX
"DMI detected: %s\n", d
->ident
);
144 acpi_osi_setup("!Windows 2006");
145 acpi_osi_setup("!Windows 2006 SP1");
146 acpi_osi_setup("!Windows 2006 SP2");
149 static int __init
dmi_disable_osi_win7(const struct dmi_system_id
*d
)
151 printk(KERN_NOTICE PREFIX
"DMI detected: %s\n", d
->ident
);
152 acpi_osi_setup("!Windows 2009");
155 static int __init
dmi_disable_osi_win8(const struct dmi_system_id
*d
)
157 printk(KERN_NOTICE PREFIX
"DMI detected: %s\n", d
->ident
);
158 acpi_osi_setup("!Windows 2012");
161 #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
162 static int __init
dmi_enable_rev_override(const struct dmi_system_id
*d
)
164 printk(KERN_NOTICE PREFIX
"DMI detected: %s (force ACPI _REV to 5)\n",
166 acpi_rev_override_setup(NULL
);
171 static struct dmi_system_id acpi_osi_dmi_table
[] __initdata
= {
173 .callback
= dmi_disable_osi_vista
,
174 .ident
= "Fujitsu Siemens",
176 DMI_MATCH(DMI_SYS_VENDOR
, "FUJITSU SIEMENS"),
177 DMI_MATCH(DMI_PRODUCT_NAME
, "ESPRIMO Mobile V5505"),
182 * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
183 * driver (e.g. nouveau) when user press brightness hotkey.
184 * Currently, nouveau driver didn't do the job and it causes there
185 * have a infinite while loop in DSDT when user press hotkey.
186 * We add MSI GX723's dmi information to this table for workaround
188 * Will remove MSI GX723 from the table after nouveau grows support.
190 .callback
= dmi_disable_osi_vista
,
191 .ident
= "MSI GX723",
193 DMI_MATCH(DMI_SYS_VENDOR
, "Micro-Star International"),
194 DMI_MATCH(DMI_PRODUCT_NAME
, "GX723"),
198 .callback
= dmi_disable_osi_vista
,
199 .ident
= "Sony VGN-NS10J_S",
201 DMI_MATCH(DMI_SYS_VENDOR
, "Sony Corporation"),
202 DMI_MATCH(DMI_PRODUCT_NAME
, "VGN-NS10J_S"),
206 .callback
= dmi_disable_osi_vista
,
207 .ident
= "Sony VGN-SR290J",
209 DMI_MATCH(DMI_SYS_VENDOR
, "Sony Corporation"),
210 DMI_MATCH(DMI_PRODUCT_NAME
, "VGN-SR290J"),
214 .callback
= dmi_disable_osi_vista
,
215 .ident
= "VGN-NS50B_L",
217 DMI_MATCH(DMI_SYS_VENDOR
, "Sony Corporation"),
218 DMI_MATCH(DMI_PRODUCT_NAME
, "VGN-NS50B_L"),
222 .callback
= dmi_disable_osi_vista
,
223 .ident
= "VGN-SR19XN",
225 DMI_MATCH(DMI_SYS_VENDOR
, "Sony Corporation"),
226 DMI_MATCH(DMI_PRODUCT_NAME
, "VGN-SR19XN"),
230 .callback
= dmi_disable_osi_vista
,
231 .ident
= "Toshiba Satellite L355",
233 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
234 DMI_MATCH(DMI_PRODUCT_VERSION
, "Satellite L355"),
238 .callback
= dmi_disable_osi_win7
,
239 .ident
= "ASUS K50IJ",
241 DMI_MATCH(DMI_SYS_VENDOR
, "ASUSTeK Computer Inc."),
242 DMI_MATCH(DMI_PRODUCT_NAME
, "K50IJ"),
246 .callback
= dmi_disable_osi_vista
,
247 .ident
= "Toshiba P305D",
249 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
250 DMI_MATCH(DMI_PRODUCT_NAME
, "Satellite P305D"),
254 .callback
= dmi_disable_osi_vista
,
255 .ident
= "Toshiba NB100",
257 DMI_MATCH(DMI_SYS_VENDOR
, "TOSHIBA"),
258 DMI_MATCH(DMI_PRODUCT_NAME
, "NB100"),
263 * The wireless hotkey does not work on those machines when
264 * returning true for _OSI("Windows 2012")
267 .callback
= dmi_disable_osi_win8
,
268 .ident
= "Dell Inspiron 7737",
270 DMI_MATCH(DMI_SYS_VENDOR
, "Dell Inc."),
271 DMI_MATCH(DMI_PRODUCT_NAME
, "Inspiron 7737"),
275 .callback
= dmi_disable_osi_win8
,
276 .ident
= "Dell Inspiron 7537",
278 DMI_MATCH(DMI_SYS_VENDOR
, "Dell Inc."),
279 DMI_MATCH(DMI_PRODUCT_NAME
, "Inspiron 7537"),
283 .callback
= dmi_disable_osi_win8
,
284 .ident
= "Dell Inspiron 5437",
286 DMI_MATCH(DMI_SYS_VENDOR
, "Dell Inc."),
287 DMI_MATCH(DMI_PRODUCT_NAME
, "Inspiron 5437"),
291 .callback
= dmi_disable_osi_win8
,
292 .ident
= "Dell Inspiron 3437",
294 DMI_MATCH(DMI_SYS_VENDOR
, "Dell Inc."),
295 DMI_MATCH(DMI_PRODUCT_NAME
, "Inspiron 3437"),
299 .callback
= dmi_disable_osi_win8
,
300 .ident
= "Dell Vostro 3446",
302 DMI_MATCH(DMI_SYS_VENDOR
, "Dell Inc."),
303 DMI_MATCH(DMI_PRODUCT_NAME
, "Vostro 3446"),
307 .callback
= dmi_disable_osi_win8
,
308 .ident
= "Dell Vostro 3546",
310 DMI_MATCH(DMI_SYS_VENDOR
, "Dell Inc."),
311 DMI_MATCH(DMI_PRODUCT_NAME
, "Vostro 3546"),
316 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
317 * Linux ignores it, except for the machines enumerated below.
321 * Without this this EEEpc exports a non working WMI interface, with
322 * this it exports a working "good old" eeepc_laptop interface, fixing
323 * both brightness control, and rfkill not working.
326 .callback
= dmi_enable_osi_linux
,
327 .ident
= "Asus EEE PC 1015PX",
329 DMI_MATCH(DMI_SYS_VENDOR
, "ASUSTeK Computer INC."),
330 DMI_MATCH(DMI_PRODUCT_NAME
, "1015PX"),
334 #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
336 * DELL XPS 13 (2015) switches sound between HDA and I2S
337 * depending on the ACPI _REV callback. If userspace supports
338 * I2S sufficiently (or if you do not care about sound), you
339 * can safely disable this quirk.
342 .callback
= dmi_enable_rev_override
,
343 .ident
= "DELL XPS 13 (2015)",
345 DMI_MATCH(DMI_SYS_VENDOR
, "Dell Inc."),
346 DMI_MATCH(DMI_PRODUCT_NAME
, "XPS 13 9343"),
353 #endif /* CONFIG_DMI */