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. 6 * Check given machine against acpi_osi_dmi_table[]. 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 30 #include <linux/kernel.h> 31 #include <linux/init.h> 32 #include <linux/acpi.h> 33 #include <linux/dmi.h> 34 35 #include "internal.h" 36 37 enum acpi_blacklist_predicates { 38 all_versions, 39 less_than_or_equal, 40 equal, 41 greater_than_or_equal, 42 }; 43 44 struct acpi_blacklist_item { 45 char oem_id[7]; 46 char oem_table_id[9]; 47 u32 oem_revision; 48 char *table; 49 enum acpi_blacklist_predicates oem_revision_predicate; 50 char *reason; 51 u32 is_critical_error; 52 }; 53 54 static struct dmi_system_id acpi_osi_dmi_table[] __initdata; 55 56 /* 57 * POLICY: If *anything* doesn't work, put it on the blacklist. 58 * If they are critical errors, mark it critical, and abort driver load. 59 */ 60 static struct acpi_blacklist_item acpi_blacklist[] __initdata = { 61 /* Compaq Presario 1700 */ 62 {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal, 63 "Multiple problems", 1}, 64 /* Sony FX120, FX140, FX150? */ 65 {"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal, 66 "ACPI driver problem", 1}, 67 /* Compaq Presario 800, Insyde BIOS */ 68 {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal, 69 "Does not use _REG to protect EC OpRegions", 1}, 70 /* IBM 600E - _ADR should return 7, but it returns 1 */ 71 {"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal, 72 "Incorrect _ADR", 1}, 73 74 {""} 75 }; 76 77 int __init acpi_blacklisted(void) 78 { 79 int i = 0; 80 int blacklisted = 0; 81 struct acpi_table_header table_header; 82 83 while (acpi_blacklist[i].oem_id[0] != '\0') { 84 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) { 85 i++; 86 continue; 87 } 88 89 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) { 90 i++; 91 continue; 92 } 93 94 if (strncmp 95 (acpi_blacklist[i].oem_table_id, table_header.oem_table_id, 96 8)) { 97 i++; 98 continue; 99 } 100 101 if ((acpi_blacklist[i].oem_revision_predicate == all_versions) 102 || (acpi_blacklist[i].oem_revision_predicate == 103 less_than_or_equal 104 && table_header.oem_revision <= 105 acpi_blacklist[i].oem_revision) 106 || (acpi_blacklist[i].oem_revision_predicate == 107 greater_than_or_equal 108 && table_header.oem_revision >= 109 acpi_blacklist[i].oem_revision) 110 || (acpi_blacklist[i].oem_revision_predicate == equal 111 && table_header.oem_revision == 112 acpi_blacklist[i].oem_revision)) { 113 114 printk(KERN_ERR PREFIX 115 "Vendor \"%6.6s\" System \"%8.8s\" " 116 "Revision 0x%x has a known ACPI BIOS problem.\n", 117 acpi_blacklist[i].oem_id, 118 acpi_blacklist[i].oem_table_id, 119 acpi_blacklist[i].oem_revision); 120 121 printk(KERN_ERR PREFIX 122 "Reason: %s. This is a %s error\n", 123 acpi_blacklist[i].reason, 124 (acpi_blacklist[i]. 125 is_critical_error ? "non-recoverable" : 126 "recoverable")); 127 128 blacklisted = acpi_blacklist[i].is_critical_error; 129 break; 130 } else { 131 i++; 132 } 133 } 134 135 dmi_check_system(acpi_osi_dmi_table); 136 137 return blacklisted; 138 } 139 #ifdef CONFIG_DMI 140 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d) 141 { 142 acpi_dmi_osi_linux(1, d); /* enable */ 143 return 0; 144 } 145 static int __init dmi_disable_osi_vista(const struct dmi_system_id *d) 146 { 147 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); 148 acpi_osi_setup("!Windows 2006"); 149 acpi_osi_setup("!Windows 2006 SP1"); 150 acpi_osi_setup("!Windows 2006 SP2"); 151 return 0; 152 } 153 static int __init dmi_disable_osi_win7(const struct dmi_system_id *d) 154 { 155 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); 156 acpi_osi_setup("!Windows 2009"); 157 return 0; 158 } 159 static int __init dmi_disable_osi_win8(const struct dmi_system_id *d) 160 { 161 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); 162 acpi_osi_setup("!Windows 2012"); 163 return 0; 164 } 165 166 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { 167 { 168 .callback = dmi_disable_osi_vista, 169 .ident = "Fujitsu Siemens", 170 .matches = { 171 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), 172 DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"), 173 }, 174 }, 175 { 176 /* 177 * There have a NVIF method in MSI GX723 DSDT need call by Nvidia 178 * driver (e.g. nouveau) when user press brightness hotkey. 179 * Currently, nouveau driver didn't do the job and it causes there 180 * have a infinite while loop in DSDT when user press hotkey. 181 * We add MSI GX723's dmi information to this table for workaround 182 * this issue. 183 * Will remove MSI GX723 from the table after nouveau grows support. 184 */ 185 .callback = dmi_disable_osi_vista, 186 .ident = "MSI GX723", 187 .matches = { 188 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), 189 DMI_MATCH(DMI_PRODUCT_NAME, "GX723"), 190 }, 191 }, 192 { 193 .callback = dmi_disable_osi_vista, 194 .ident = "Sony VGN-NS10J_S", 195 .matches = { 196 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 197 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"), 198 }, 199 }, 200 { 201 .callback = dmi_disable_osi_vista, 202 .ident = "Sony VGN-SR290J", 203 .matches = { 204 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 205 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"), 206 }, 207 }, 208 { 209 .callback = dmi_disable_osi_vista, 210 .ident = "VGN-NS50B_L", 211 .matches = { 212 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 213 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"), 214 }, 215 }, 216 { 217 .callback = dmi_disable_osi_vista, 218 .ident = "Toshiba Satellite L355", 219 .matches = { 220 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 221 DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"), 222 }, 223 }, 224 { 225 .callback = dmi_disable_osi_win7, 226 .ident = "ASUS K50IJ", 227 .matches = { 228 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), 229 DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"), 230 }, 231 }, 232 { 233 .callback = dmi_disable_osi_vista, 234 .ident = "Toshiba P305D", 235 .matches = { 236 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 237 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"), 238 }, 239 }, 240 { 241 .callback = dmi_disable_osi_vista, 242 .ident = "Toshiba NB100", 243 .matches = { 244 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 245 DMI_MATCH(DMI_PRODUCT_NAME, "NB100"), 246 }, 247 }, 248 249 /* 250 * The following machines have broken backlight support when reporting 251 * the Windows 2012 OSI, so disable it until their support is fixed. 252 */ 253 { 254 .callback = dmi_disable_osi_win8, 255 .ident = "ASUS Zenbook Prime UX31A", 256 .matches = { 257 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 258 DMI_MATCH(DMI_PRODUCT_NAME, "UX31A"), 259 }, 260 }, 261 { 262 .callback = dmi_disable_osi_win8, 263 .ident = "ThinkPad Edge E530", 264 .matches = { 265 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 266 DMI_MATCH(DMI_PRODUCT_VERSION, "3259A2G"), 267 }, 268 }, 269 { 270 .callback = dmi_disable_osi_win8, 271 .ident = "ThinkPad Edge E530", 272 .matches = { 273 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 274 DMI_MATCH(DMI_PRODUCT_VERSION, "3259CTO"), 275 }, 276 }, 277 { 278 .callback = dmi_disable_osi_win8, 279 .ident = "ThinkPad Edge E530", 280 .matches = { 281 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 282 DMI_MATCH(DMI_PRODUCT_VERSION, "3259HJG"), 283 }, 284 }, 285 { 286 .callback = dmi_disable_osi_win8, 287 .ident = "Acer Aspire V5-573G", 288 .matches = { 289 DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"), 290 DMI_MATCH(DMI_PRODUCT_VERSION, "V5-573G/Dazzle_HW"), 291 }, 292 }, 293 { 294 .callback = dmi_disable_osi_win8, 295 .ident = "Acer Aspire V5-572G", 296 .matches = { 297 DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"), 298 DMI_MATCH(DMI_PRODUCT_VERSION, "V5-572G/Dazzle_CX"), 299 }, 300 }, 301 { 302 .callback = dmi_disable_osi_win8, 303 .ident = "ThinkPad T431s", 304 .matches = { 305 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 306 DMI_MATCH(DMI_PRODUCT_VERSION, "20AACTO1WW"), 307 }, 308 }, 309 { 310 .callback = dmi_disable_osi_win8, 311 .ident = "ThinkPad T430", 312 .matches = { 313 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 314 DMI_MATCH(DMI_PRODUCT_VERSION, "2349D15"), 315 }, 316 }, 317 { 318 .callback = dmi_disable_osi_win8, 319 .ident = "Dell Inspiron 7737", 320 .matches = { 321 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 322 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"), 323 }, 324 }, 325 326 /* 327 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug. 328 * Linux ignores it, except for the machines enumerated below. 329 */ 330 331 /* 332 * Lenovo has a mix of systems OSI(Linux) situations 333 * and thus we can not wildcard the vendor. 334 * 335 * _OSI(Linux) helps sound 336 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), 337 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), 338 * T400, T500 339 * _OSI(Linux) has Linux specific hooks 340 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), 341 * _OSI(Linux) is a NOP: 342 * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"), 343 * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"), 344 */ 345 { 346 .callback = dmi_enable_osi_linux, 347 .ident = "Lenovo ThinkPad R61", 348 .matches = { 349 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 350 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), 351 }, 352 }, 353 { 354 .callback = dmi_enable_osi_linux, 355 .ident = "Lenovo ThinkPad T61", 356 .matches = { 357 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 358 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), 359 }, 360 }, 361 { 362 .callback = dmi_enable_osi_linux, 363 .ident = "Lenovo ThinkPad X61", 364 .matches = { 365 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 366 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), 367 }, 368 }, 369 { 370 .callback = dmi_enable_osi_linux, 371 .ident = "Lenovo ThinkPad T400", 372 .matches = { 373 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 374 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"), 375 }, 376 }, 377 { 378 .callback = dmi_enable_osi_linux, 379 .ident = "Lenovo ThinkPad T500", 380 .matches = { 381 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 382 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"), 383 }, 384 }, 385 /* 386 * Without this this EEEpc exports a non working WMI interface, with 387 * this it exports a working "good old" eeepc_laptop interface, fixing 388 * both brightness control, and rfkill not working. 389 */ 390 { 391 .callback = dmi_enable_osi_linux, 392 .ident = "Asus EEE PC 1015PX", 393 .matches = { 394 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), 395 DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"), 396 }, 397 }, 398 {} 399 }; 400 401 #endif /* CONFIG_DMI */ 402