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 <acpi/acpi_bus.h> 34 #include <linux/dmi.h> 35 36 #include "internal.h" 37 38 enum acpi_blacklist_predicates { 39 all_versions, 40 less_than_or_equal, 41 equal, 42 greater_than_or_equal, 43 }; 44 45 struct acpi_blacklist_item { 46 char oem_id[7]; 47 char oem_table_id[9]; 48 u32 oem_revision; 49 char *table; 50 enum acpi_blacklist_predicates oem_revision_predicate; 51 char *reason; 52 u32 is_critical_error; 53 }; 54 55 static struct dmi_system_id acpi_osi_dmi_table[] __initdata; 56 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 */ 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, 73 "Incorrect _ADR", 1}, 74 75 {""} 76 }; 77 78 int __init acpi_blacklisted(void) 79 { 80 int i = 0; 81 int blacklisted = 0; 82 struct acpi_table_header table_header; 83 84 while (acpi_blacklist[i].oem_id[0] != '\0') { 85 if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) { 86 i++; 87 continue; 88 } 89 90 if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) { 91 i++; 92 continue; 93 } 94 95 if (strncmp 96 (acpi_blacklist[i].oem_table_id, table_header.oem_table_id, 97 8)) { 98 i++; 99 continue; 100 } 101 102 if ((acpi_blacklist[i].oem_revision_predicate == all_versions) 103 || (acpi_blacklist[i].oem_revision_predicate == 104 less_than_or_equal 105 && table_header.oem_revision <= 106 acpi_blacklist[i].oem_revision) 107 || (acpi_blacklist[i].oem_revision_predicate == 108 greater_than_or_equal 109 && table_header.oem_revision >= 110 acpi_blacklist[i].oem_revision) 111 || (acpi_blacklist[i].oem_revision_predicate == equal 112 && table_header.oem_revision == 113 acpi_blacklist[i].oem_revision)) { 114 115 printk(KERN_ERR PREFIX 116 "Vendor \"%6.6s\" System \"%8.8s\" " 117 "Revision 0x%x has a known ACPI BIOS problem.\n", 118 acpi_blacklist[i].oem_id, 119 acpi_blacklist[i].oem_table_id, 120 acpi_blacklist[i].oem_revision); 121 122 printk(KERN_ERR PREFIX 123 "Reason: %s. This is a %s error\n", 124 acpi_blacklist[i].reason, 125 (acpi_blacklist[i]. 126 is_critical_error ? "non-recoverable" : 127 "recoverable")); 128 129 blacklisted = acpi_blacklist[i].is_critical_error; 130 break; 131 } else { 132 i++; 133 } 134 } 135 136 dmi_check_system(acpi_osi_dmi_table); 137 138 return blacklisted; 139 } 140 #ifdef CONFIG_DMI 141 static int __init dmi_enable_osi_linux(const struct dmi_system_id *d) 142 { 143 acpi_dmi_osi_linux(1, d); /* enable */ 144 return 0; 145 } 146 static int __init dmi_disable_osi_vista(const struct dmi_system_id *d) 147 { 148 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); 149 acpi_osi_setup("!Windows 2006"); 150 acpi_osi_setup("!Windows 2006 SP1"); 151 acpi_osi_setup("!Windows 2006 SP2"); 152 return 0; 153 } 154 static int __init dmi_disable_osi_win7(const struct dmi_system_id *d) 155 { 156 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); 157 acpi_osi_setup("!Windows 2009"); 158 return 0; 159 } 160 static int __init dmi_disable_osi_win8(const struct dmi_system_id *d) 161 { 162 printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); 163 acpi_osi_setup("!Windows 2012"); 164 return 0; 165 } 166 167 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { 168 { 169 .callback = dmi_disable_osi_vista, 170 .ident = "Fujitsu Siemens", 171 .matches = { 172 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), 173 DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"), 174 }, 175 }, 176 { 177 /* 178 * There have a NVIF method in MSI GX723 DSDT need call by Nvidia 179 * driver (e.g. nouveau) when user press brightness hotkey. 180 * Currently, nouveau driver didn't do the job and it causes there 181 * have a infinite while loop in DSDT when user press hotkey. 182 * We add MSI GX723's dmi information to this table for workaround 183 * this issue. 184 * Will remove MSI GX723 from the table after nouveau grows support. 185 */ 186 .callback = dmi_disable_osi_vista, 187 .ident = "MSI GX723", 188 .matches = { 189 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), 190 DMI_MATCH(DMI_PRODUCT_NAME, "GX723"), 191 }, 192 }, 193 { 194 .callback = dmi_disable_osi_vista, 195 .ident = "Sony VGN-NS10J_S", 196 .matches = { 197 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 198 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"), 199 }, 200 }, 201 { 202 .callback = dmi_disable_osi_vista, 203 .ident = "Sony VGN-SR290J", 204 .matches = { 205 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 206 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"), 207 }, 208 }, 209 { 210 .callback = dmi_disable_osi_vista, 211 .ident = "VGN-NS50B_L", 212 .matches = { 213 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 214 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"), 215 }, 216 }, 217 { 218 .callback = dmi_disable_osi_vista, 219 .ident = "Toshiba Satellite L355", 220 .matches = { 221 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 222 DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"), 223 }, 224 }, 225 { 226 .callback = dmi_disable_osi_win7, 227 .ident = "ASUS K50IJ", 228 .matches = { 229 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), 230 DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"), 231 }, 232 }, 233 { 234 .callback = dmi_disable_osi_vista, 235 .ident = "Toshiba P305D", 236 .matches = { 237 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 238 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"), 239 }, 240 }, 241 { 242 .callback = dmi_disable_osi_vista, 243 .ident = "Toshiba NB100", 244 .matches = { 245 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 246 DMI_MATCH(DMI_PRODUCT_NAME, "NB100"), 247 }, 248 }, 249 250 /* 251 * The following machines have broken backlight support when reporting 252 * the Windows 2012 OSI, so disable it until their support is fixed. 253 */ 254 { 255 .callback = dmi_disable_osi_win8, 256 .ident = "ASUS Zenbook Prime UX31A", 257 .matches = { 258 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 259 DMI_MATCH(DMI_PRODUCT_NAME, "UX31A"), 260 }, 261 }, 262 { 263 .callback = dmi_disable_osi_win8, 264 .ident = "Dell Inspiron 15R SE", 265 .matches = { 266 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 267 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"), 268 }, 269 }, 270 { 271 .callback = dmi_disable_osi_win8, 272 .ident = "ThinkPad Edge E530", 273 .matches = { 274 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 275 DMI_MATCH(DMI_PRODUCT_VERSION, "3259A2G"), 276 }, 277 }, 278 { 279 .callback = dmi_disable_osi_win8, 280 .ident = "ThinkPad Edge E530", 281 .matches = { 282 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 283 DMI_MATCH(DMI_PRODUCT_VERSION, "3259CTO"), 284 }, 285 }, 286 { 287 .callback = dmi_disable_osi_win8, 288 .ident = "ThinkPad Edge E530", 289 .matches = { 290 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 291 DMI_MATCH(DMI_PRODUCT_VERSION, "3259HJG"), 292 }, 293 }, 294 { 295 .callback = dmi_disable_osi_win8, 296 .ident = "Acer Aspire V5-573G", 297 .matches = { 298 DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"), 299 DMI_MATCH(DMI_PRODUCT_VERSION, "V5-573G/Dazzle_HW"), 300 }, 301 }, 302 { 303 .callback = dmi_disable_osi_win8, 304 .ident = "Acer Aspire V5-572G", 305 .matches = { 306 DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"), 307 DMI_MATCH(DMI_PRODUCT_VERSION, "V5-572G/Dazzle_CX"), 308 }, 309 }, 310 { 311 .callback = dmi_disable_osi_win8, 312 .ident = "ThinkPad T431s", 313 .matches = { 314 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 315 DMI_MATCH(DMI_PRODUCT_VERSION, "20AACTO1WW"), 316 }, 317 }, 318 { 319 .callback = dmi_disable_osi_win8, 320 .ident = "ThinkPad T430", 321 .matches = { 322 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 323 DMI_MATCH(DMI_PRODUCT_VERSION, "2349D15"), 324 }, 325 }, 326 327 /* 328 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug. 329 * Linux ignores it, except for the machines enumerated below. 330 */ 331 332 /* 333 * Lenovo has a mix of systems OSI(Linux) situations 334 * and thus we can not wildcard the vendor. 335 * 336 * _OSI(Linux) helps sound 337 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), 338 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), 339 * T400, T500 340 * _OSI(Linux) has Linux specific hooks 341 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), 342 * _OSI(Linux) is a NOP: 343 * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"), 344 * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"), 345 */ 346 { 347 .callback = dmi_enable_osi_linux, 348 .ident = "Lenovo ThinkPad R61", 349 .matches = { 350 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 351 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), 352 }, 353 }, 354 { 355 .callback = dmi_enable_osi_linux, 356 .ident = "Lenovo ThinkPad T61", 357 .matches = { 358 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 359 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), 360 }, 361 }, 362 { 363 .callback = dmi_enable_osi_linux, 364 .ident = "Lenovo ThinkPad X61", 365 .matches = { 366 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 367 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), 368 }, 369 }, 370 { 371 .callback = dmi_enable_osi_linux, 372 .ident = "Lenovo ThinkPad T400", 373 .matches = { 374 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 375 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"), 376 }, 377 }, 378 { 379 .callback = dmi_enable_osi_linux, 380 .ident = "Lenovo ThinkPad T500", 381 .matches = { 382 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 383 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"), 384 }, 385 }, 386 {} 387 }; 388 389 #endif /* CONFIG_DMI */ 390