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drm/i915: Propagate errors back from fb set-base
[linux-2.6-block.git] / drivers / acpi / blacklist.c
CommitLineData
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		 38enum acpi_blacklist_predicates {
39 all_versions,
40 less_than_or_equal,
41 equal,
42 greater_than_or_equal,
1da177e4
LT		 43};
44
4be44fcd
LB		 45struct 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		 55static 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 61static 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 80static 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		 105static inline int blacklist_by_year(void)
106{
107 return 0;
108}
1da177e4
LT		 109#endif
110
4be44fcd 111int __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		 176static 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		 181static 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		 189static 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 196static 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 },
d4b7dc49
LB		 330 {}
331};
332
333#endif /* CONFIG_DMI */
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