1e5f660ebSLv Zheng /* 2e5f660ebSLv Zheng * osi.c - _OSI implementation 3e5f660ebSLv Zheng * 4e5f660ebSLv Zheng * Copyright (C) 2016 Intel Corporation 5e5f660ebSLv Zheng * Author: Lv Zheng <lv.zheng@intel.com> 6e5f660ebSLv Zheng * 7e5f660ebSLv Zheng * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 8e5f660ebSLv Zheng * 9e5f660ebSLv Zheng * This program is free software; you can redistribute it and/or modify 10e5f660ebSLv Zheng * it under the terms of the GNU General Public License as published by 11e5f660ebSLv Zheng * the Free Software Foundation; either version 2 of the License, or (at 12e5f660ebSLv Zheng * your option) any later version. 13e5f660ebSLv Zheng * 14e5f660ebSLv Zheng * This program is distributed in the hope that it will be useful, but 15e5f660ebSLv Zheng * WITHOUT ANY WARRANTY; without even the implied warranty of 16e5f660ebSLv Zheng * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17e5f660ebSLv Zheng * General Public License for more details. 18e5f660ebSLv Zheng * 19e5f660ebSLv Zheng * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 20e5f660ebSLv Zheng */ 21e5f660ebSLv Zheng 22e5f660ebSLv Zheng /* Uncomment next line to get verbose printout */ 23e5f660ebSLv Zheng /* #define DEBUG */ 24e5f660ebSLv Zheng #define pr_fmt(fmt) "ACPI: " fmt 25e5f660ebSLv Zheng 26e5f660ebSLv Zheng #include <linux/module.h> 27e5f660ebSLv Zheng #include <linux/kernel.h> 28e5f660ebSLv Zheng #include <linux/acpi.h> 29e5f660ebSLv Zheng #include <linux/dmi.h> 30630b3affSLukas Wunner #include <linux/platform_data/x86/apple.h> 31e5f660ebSLv Zheng 32e5f660ebSLv Zheng #include "internal.h" 33e5f660ebSLv Zheng 34e5f660ebSLv Zheng 35e5f660ebSLv Zheng #define OSI_STRING_LENGTH_MAX 64 36e5f660ebSLv Zheng #define OSI_STRING_ENTRIES_MAX 16 37e5f660ebSLv Zheng 38e5f660ebSLv Zheng struct acpi_osi_entry { 39e5f660ebSLv Zheng char string[OSI_STRING_LENGTH_MAX]; 40e5f660ebSLv Zheng bool enable; 41e5f660ebSLv Zheng }; 42e5f660ebSLv Zheng 43e5f660ebSLv Zheng static struct acpi_osi_config { 44e5f660ebSLv Zheng u8 default_disabling; 45e5f660ebSLv Zheng unsigned int linux_enable:1; 46e5f660ebSLv Zheng unsigned int linux_dmi:1; 47e5f660ebSLv Zheng unsigned int linux_cmdline:1; 48e5f660ebSLv Zheng unsigned int darwin_enable:1; 49e5f660ebSLv Zheng unsigned int darwin_dmi:1; 50e5f660ebSLv Zheng unsigned int darwin_cmdline:1; 51e5f660ebSLv Zheng } osi_config; 52e5f660ebSLv Zheng 53e5f660ebSLv Zheng static struct acpi_osi_config osi_config; 54e5f660ebSLv Zheng static struct acpi_osi_entry 55e5f660ebSLv Zheng osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = { 56e5f660ebSLv Zheng {"Module Device", true}, 57e5f660ebSLv Zheng {"Processor Device", true}, 58e5f660ebSLv Zheng {"3.0 _SCP Extensions", true}, 59e5f660ebSLv Zheng {"Processor Aggregator Device", true}, 609251a71dSAlex Hung /* 619251a71dSAlex Hung * Linux-Dell-Video is used by BIOS to disable RTD3 for NVidia graphics 629251a71dSAlex Hung * cards as RTD3 is not supported by drivers now. Systems with NVidia 639251a71dSAlex Hung * cards will hang without RTD3 disabled. 649251a71dSAlex Hung * 659251a71dSAlex Hung * Once NVidia drivers officially support RTD3, this _OSI strings can 669251a71dSAlex Hung * be removed if both new and old graphics cards are supported. 679251a71dSAlex Hung */ 689251a71dSAlex Hung {"Linux-Dell-Video", true}, 69887532caSAlex Hung /* 70887532caSAlex Hung * Linux-Lenovo-NV-HDMI-Audio is used by BIOS to power on NVidia's HDMI 71887532caSAlex Hung * audio device which is turned off for power-saving in Windows OS. 72887532caSAlex Hung * This power management feature observed on some Lenovo Thinkpad 73887532caSAlex Hung * systems which will not be able to output audio via HDMI without 74887532caSAlex Hung * a BIOS workaround. 75887532caSAlex Hung */ 76887532caSAlex Hung {"Linux-Lenovo-NV-HDMI-Audio", true}, 77e5f660ebSLv Zheng }; 78e5f660ebSLv Zheng 79e5f660ebSLv Zheng static u32 acpi_osi_handler(acpi_string interface, u32 supported) 80e5f660ebSLv Zheng { 81e5f660ebSLv Zheng if (!strcmp("Linux", interface)) { 82e5f660ebSLv Zheng pr_notice_once(FW_BUG 83e5f660ebSLv Zheng "BIOS _OSI(Linux) query %s%s\n", 84e5f660ebSLv Zheng osi_config.linux_enable ? "honored" : "ignored", 85e5f660ebSLv Zheng osi_config.linux_cmdline ? " via cmdline" : 86e5f660ebSLv Zheng osi_config.linux_dmi ? " via DMI" : ""); 87e5f660ebSLv Zheng } 88e5f660ebSLv Zheng if (!strcmp("Darwin", interface)) { 89e5f660ebSLv Zheng pr_notice_once( 90e5f660ebSLv Zheng "BIOS _OSI(Darwin) query %s%s\n", 91e5f660ebSLv Zheng osi_config.darwin_enable ? "honored" : "ignored", 92e5f660ebSLv Zheng osi_config.darwin_cmdline ? " via cmdline" : 93e5f660ebSLv Zheng osi_config.darwin_dmi ? " via DMI" : ""); 94e5f660ebSLv Zheng } 95e5f660ebSLv Zheng 96e5f660ebSLv Zheng return supported; 97e5f660ebSLv Zheng } 98e5f660ebSLv Zheng 99e5f660ebSLv Zheng void __init acpi_osi_setup(char *str) 100e5f660ebSLv Zheng { 101e5f660ebSLv Zheng struct acpi_osi_entry *osi; 102e5f660ebSLv Zheng bool enable = true; 103e5f660ebSLv Zheng int i; 104e5f660ebSLv Zheng 105e5f660ebSLv Zheng if (!acpi_gbl_create_osi_method) 106e5f660ebSLv Zheng return; 107e5f660ebSLv Zheng 108e5f660ebSLv Zheng if (str == NULL || *str == '\0') { 109e5f660ebSLv Zheng pr_info("_OSI method disabled\n"); 110e5f660ebSLv Zheng acpi_gbl_create_osi_method = FALSE; 111e5f660ebSLv Zheng return; 112e5f660ebSLv Zheng } 113e5f660ebSLv Zheng 114e5f660ebSLv Zheng if (*str == '!') { 115e5f660ebSLv Zheng str++; 116e5f660ebSLv Zheng if (*str == '\0') { 117e5f660ebSLv Zheng /* Do not override acpi_osi=!* */ 118e5f660ebSLv Zheng if (!osi_config.default_disabling) 119e5f660ebSLv Zheng osi_config.default_disabling = 120e5f660ebSLv Zheng ACPI_DISABLE_ALL_VENDOR_STRINGS; 121e5f660ebSLv Zheng return; 122e5f660ebSLv Zheng } else if (*str == '*') { 123e5f660ebSLv Zheng osi_config.default_disabling = ACPI_DISABLE_ALL_STRINGS; 124e5f660ebSLv Zheng for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) { 125e5f660ebSLv Zheng osi = &osi_setup_entries[i]; 126e5f660ebSLv Zheng osi->enable = false; 127e5f660ebSLv Zheng } 128e5f660ebSLv Zheng return; 129e5f660ebSLv Zheng } else if (*str == '!') { 130e5f660ebSLv Zheng osi_config.default_disabling = 0; 131e5f660ebSLv Zheng return; 132e5f660ebSLv Zheng } 133e5f660ebSLv Zheng enable = false; 134e5f660ebSLv Zheng } 135e5f660ebSLv Zheng 136e5f660ebSLv Zheng for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) { 137e5f660ebSLv Zheng osi = &osi_setup_entries[i]; 138e5f660ebSLv Zheng if (!strcmp(osi->string, str)) { 139e5f660ebSLv Zheng osi->enable = enable; 140e5f660ebSLv Zheng break; 141e5f660ebSLv Zheng } else if (osi->string[0] == '\0') { 142e5f660ebSLv Zheng osi->enable = enable; 143e5f660ebSLv Zheng strncpy(osi->string, str, OSI_STRING_LENGTH_MAX); 144e5f660ebSLv Zheng break; 145e5f660ebSLv Zheng } 146e5f660ebSLv Zheng } 147e5f660ebSLv Zheng } 148e5f660ebSLv Zheng 149e5f660ebSLv Zheng static void __init __acpi_osi_setup_darwin(bool enable) 150e5f660ebSLv Zheng { 151e5f660ebSLv Zheng osi_config.darwin_enable = !!enable; 152e5f660ebSLv Zheng if (enable) { 153e5f660ebSLv Zheng acpi_osi_setup("!"); 154e5f660ebSLv Zheng acpi_osi_setup("Darwin"); 155e5f660ebSLv Zheng } else { 156e5f660ebSLv Zheng acpi_osi_setup("!!"); 157e5f660ebSLv Zheng acpi_osi_setup("!Darwin"); 158e5f660ebSLv Zheng } 159e5f660ebSLv Zheng } 160e5f660ebSLv Zheng 161e5f660ebSLv Zheng static void __init acpi_osi_setup_darwin(bool enable) 162e5f660ebSLv Zheng { 163e5f660ebSLv Zheng /* Override acpi_osi_dmi_blacklisted() */ 164e5f660ebSLv Zheng osi_config.darwin_dmi = 0; 165e5f660ebSLv Zheng osi_config.darwin_cmdline = 1; 166e5f660ebSLv Zheng __acpi_osi_setup_darwin(enable); 167e5f660ebSLv Zheng } 168e5f660ebSLv Zheng 169e5f660ebSLv Zheng /* 170e5f660ebSLv Zheng * The story of _OSI(Linux) 171e5f660ebSLv Zheng * 172e5f660ebSLv Zheng * From pre-history through Linux-2.6.22, Linux responded TRUE upon a BIOS 173e5f660ebSLv Zheng * OSI(Linux) query. 174e5f660ebSLv Zheng * 175e5f660ebSLv Zheng * Unfortunately, reference BIOS writers got wind of this and put 176e5f660ebSLv Zheng * OSI(Linux) in their example code, quickly exposing this string as 177e5f660ebSLv Zheng * ill-conceived and opening the door to an un-bounded number of BIOS 178e5f660ebSLv Zheng * incompatibilities. 179e5f660ebSLv Zheng * 180e5f660ebSLv Zheng * For example, OSI(Linux) was used on resume to re-POST a video card on 181e5f660ebSLv Zheng * one system, because Linux at that time could not do a speedy restore in 182e5f660ebSLv Zheng * its native driver. But then upon gaining quick native restore 183e5f660ebSLv Zheng * capability, Linux has no way to tell the BIOS to skip the time-consuming 184e5f660ebSLv Zheng * POST -- putting Linux at a permanent performance disadvantage. On 185e5f660ebSLv Zheng * another system, the BIOS writer used OSI(Linux) to infer native OS 186e5f660ebSLv Zheng * support for IPMI! On other systems, OSI(Linux) simply got in the way of 187e5f660ebSLv Zheng * Linux claiming to be compatible with other operating systems, exposing 188e5f660ebSLv Zheng * BIOS issues such as skipped device initialization. 189e5f660ebSLv Zheng * 190e5f660ebSLv Zheng * So "Linux" turned out to be a really poor chose of OSI string, and from 191e5f660ebSLv Zheng * Linux-2.6.23 onward we respond FALSE. 192e5f660ebSLv Zheng * 193e5f660ebSLv Zheng * BIOS writers should NOT query _OSI(Linux) on future systems. Linux will 194e5f660ebSLv Zheng * complain on the console when it sees it, and return FALSE. To get Linux 195e5f660ebSLv Zheng * to return TRUE for your system will require a kernel source update to 196e5f660ebSLv Zheng * add a DMI entry, or boot with "acpi_osi=Linux" 197e5f660ebSLv Zheng */ 198e5f660ebSLv Zheng static void __init __acpi_osi_setup_linux(bool enable) 199e5f660ebSLv Zheng { 200e5f660ebSLv Zheng osi_config.linux_enable = !!enable; 201e5f660ebSLv Zheng if (enable) 202e5f660ebSLv Zheng acpi_osi_setup("Linux"); 203e5f660ebSLv Zheng else 204e5f660ebSLv Zheng acpi_osi_setup("!Linux"); 205e5f660ebSLv Zheng } 206e5f660ebSLv Zheng 207e5f660ebSLv Zheng static void __init acpi_osi_setup_linux(bool enable) 208e5f660ebSLv Zheng { 209e5f660ebSLv Zheng /* Override acpi_osi_dmi_blacklisted() */ 210e5f660ebSLv Zheng osi_config.linux_dmi = 0; 211e5f660ebSLv Zheng osi_config.linux_cmdline = 1; 212e5f660ebSLv Zheng __acpi_osi_setup_linux(enable); 213e5f660ebSLv Zheng } 214e5f660ebSLv Zheng 215e5f660ebSLv Zheng /* 216e5f660ebSLv Zheng * Modify the list of "OS Interfaces" reported to BIOS via _OSI 217e5f660ebSLv Zheng * 218e5f660ebSLv Zheng * empty string disables _OSI 219e5f660ebSLv Zheng * string starting with '!' disables that string 220e5f660ebSLv Zheng * otherwise string is added to list, augmenting built-in strings 221e5f660ebSLv Zheng */ 222e5f660ebSLv Zheng static void __init acpi_osi_setup_late(void) 223e5f660ebSLv Zheng { 224e5f660ebSLv Zheng struct acpi_osi_entry *osi; 225e5f660ebSLv Zheng char *str; 226e5f660ebSLv Zheng int i; 227e5f660ebSLv Zheng acpi_status status; 228e5f660ebSLv Zheng 229e5f660ebSLv Zheng if (osi_config.default_disabling) { 230e5f660ebSLv Zheng status = acpi_update_interfaces(osi_config.default_disabling); 231e5f660ebSLv Zheng if (ACPI_SUCCESS(status)) 232e5f660ebSLv Zheng pr_info("Disabled all _OSI OS vendors%s\n", 233e5f660ebSLv Zheng osi_config.default_disabling == 234e5f660ebSLv Zheng ACPI_DISABLE_ALL_STRINGS ? 235e5f660ebSLv Zheng " and feature groups" : ""); 236e5f660ebSLv Zheng } 237e5f660ebSLv Zheng 238e5f660ebSLv Zheng for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) { 239e5f660ebSLv Zheng osi = &osi_setup_entries[i]; 240e5f660ebSLv Zheng str = osi->string; 241e5f660ebSLv Zheng if (*str == '\0') 242e5f660ebSLv Zheng break; 243e5f660ebSLv Zheng if (osi->enable) { 244e5f660ebSLv Zheng status = acpi_install_interface(str); 245e5f660ebSLv Zheng if (ACPI_SUCCESS(status)) 246e5f660ebSLv Zheng pr_info("Added _OSI(%s)\n", str); 247e5f660ebSLv Zheng } else { 248e5f660ebSLv Zheng status = acpi_remove_interface(str); 249e5f660ebSLv Zheng if (ACPI_SUCCESS(status)) 250e5f660ebSLv Zheng pr_info("Deleted _OSI(%s)\n", str); 251e5f660ebSLv Zheng } 252e5f660ebSLv Zheng } 253e5f660ebSLv Zheng } 254e5f660ebSLv Zheng 255e5f660ebSLv Zheng static int __init osi_setup(char *str) 256e5f660ebSLv Zheng { 257e5f660ebSLv Zheng if (str && !strcmp("Linux", str)) 258e5f660ebSLv Zheng acpi_osi_setup_linux(true); 259e5f660ebSLv Zheng else if (str && !strcmp("!Linux", str)) 260e5f660ebSLv Zheng acpi_osi_setup_linux(false); 261e5f660ebSLv Zheng else if (str && !strcmp("Darwin", str)) 262e5f660ebSLv Zheng acpi_osi_setup_darwin(true); 263e5f660ebSLv Zheng else if (str && !strcmp("!Darwin", str)) 264e5f660ebSLv Zheng acpi_osi_setup_darwin(false); 265e5f660ebSLv Zheng else 266e5f660ebSLv Zheng acpi_osi_setup(str); 267e5f660ebSLv Zheng 268e5f660ebSLv Zheng return 1; 269e5f660ebSLv Zheng } 270e5f660ebSLv Zheng __setup("acpi_osi=", osi_setup); 271e5f660ebSLv Zheng 272e5f660ebSLv Zheng bool acpi_osi_is_win8(void) 273e5f660ebSLv Zheng { 274e5f660ebSLv Zheng return acpi_gbl_osi_data >= ACPI_OSI_WIN_8; 275e5f660ebSLv Zheng } 276e5f660ebSLv Zheng EXPORT_SYMBOL(acpi_osi_is_win8); 277e5f660ebSLv Zheng 278630b3affSLukas Wunner static void __init acpi_osi_dmi_darwin(void) 279e5f660ebSLv Zheng { 280630b3affSLukas Wunner pr_notice("DMI detected to setup _OSI(\"Darwin\"): Apple hardware\n"); 281e5f660ebSLv Zheng osi_config.darwin_dmi = 1; 282630b3affSLukas Wunner __acpi_osi_setup_darwin(true); 283e5f660ebSLv Zheng } 284e5f660ebSLv Zheng 2855438bc57SColin Ian King static void __init acpi_osi_dmi_linux(bool enable, 2865438bc57SColin Ian King const struct dmi_system_id *d) 287e5f660ebSLv Zheng { 288e5f660ebSLv Zheng pr_notice("DMI detected to setup _OSI(\"Linux\"): %s\n", d->ident); 289e5f660ebSLv Zheng osi_config.linux_dmi = 1; 290e5f660ebSLv Zheng __acpi_osi_setup_linux(enable); 291e5f660ebSLv Zheng } 292e5f660ebSLv Zheng 293e5f660ebSLv Zheng static int __init dmi_enable_osi_linux(const struct dmi_system_id *d) 294e5f660ebSLv Zheng { 295e5f660ebSLv Zheng acpi_osi_dmi_linux(true, d); 296e5f660ebSLv Zheng 297e5f660ebSLv Zheng return 0; 298e5f660ebSLv Zheng } 299e5f660ebSLv Zheng 300e5f660ebSLv Zheng static int __init dmi_disable_osi_vista(const struct dmi_system_id *d) 301e5f660ebSLv Zheng { 302e5f660ebSLv Zheng pr_notice("DMI detected: %s\n", d->ident); 303e5f660ebSLv Zheng acpi_osi_setup("!Windows 2006"); 304e5f660ebSLv Zheng acpi_osi_setup("!Windows 2006 SP1"); 305e5f660ebSLv Zheng acpi_osi_setup("!Windows 2006 SP2"); 306e5f660ebSLv Zheng 307e5f660ebSLv Zheng return 0; 308e5f660ebSLv Zheng } 309e5f660ebSLv Zheng 310e5f660ebSLv Zheng static int __init dmi_disable_osi_win7(const struct dmi_system_id *d) 311e5f660ebSLv Zheng { 312e5f660ebSLv Zheng pr_notice("DMI detected: %s\n", d->ident); 313e5f660ebSLv Zheng acpi_osi_setup("!Windows 2009"); 314e5f660ebSLv Zheng 315e5f660ebSLv Zheng return 0; 316e5f660ebSLv Zheng } 317e5f660ebSLv Zheng 318e5f660ebSLv Zheng static int __init dmi_disable_osi_win8(const struct dmi_system_id *d) 319e5f660ebSLv Zheng { 320e5f660ebSLv Zheng pr_notice("DMI detected: %s\n", d->ident); 321e5f660ebSLv Zheng acpi_osi_setup("!Windows 2012"); 322e5f660ebSLv Zheng 323e5f660ebSLv Zheng return 0; 324e5f660ebSLv Zheng } 325e5f660ebSLv Zheng 326e5f660ebSLv Zheng /* 327e5f660ebSLv Zheng * Linux default _OSI response behavior is determined by this DMI table. 328e5f660ebSLv Zheng * 329e5f660ebSLv Zheng * Note that _OSI("Linux")/_OSI("Darwin") determined here can be overridden 330e5f660ebSLv Zheng * by acpi_osi=!Linux/acpi_osi=!Darwin command line options. 331e5f660ebSLv Zheng */ 3326faadbbbSChristoph Hellwig static const struct dmi_system_id acpi_osi_dmi_table[] __initconst = { 333e5f660ebSLv Zheng { 334e5f660ebSLv Zheng .callback = dmi_disable_osi_vista, 335e5f660ebSLv Zheng .ident = "Fujitsu Siemens", 336e5f660ebSLv Zheng .matches = { 337e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), 338e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"), 339e5f660ebSLv Zheng }, 340e5f660ebSLv Zheng }, 341e5f660ebSLv Zheng { 342e5f660ebSLv Zheng /* 343e5f660ebSLv Zheng * There have a NVIF method in MSI GX723 DSDT need call by Nvidia 344e5f660ebSLv Zheng * driver (e.g. nouveau) when user press brightness hotkey. 345e5f660ebSLv Zheng * Currently, nouveau driver didn't do the job and it causes there 346e5f660ebSLv Zheng * have a infinite while loop in DSDT when user press hotkey. 347e5f660ebSLv Zheng * We add MSI GX723's dmi information to this table for workaround 348e5f660ebSLv Zheng * this issue. 349e5f660ebSLv Zheng * Will remove MSI GX723 from the table after nouveau grows support. 350e5f660ebSLv Zheng */ 351e5f660ebSLv Zheng .callback = dmi_disable_osi_vista, 352e5f660ebSLv Zheng .ident = "MSI GX723", 353e5f660ebSLv Zheng .matches = { 354e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), 355e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "GX723"), 356e5f660ebSLv Zheng }, 357e5f660ebSLv Zheng }, 358e5f660ebSLv Zheng { 359e5f660ebSLv Zheng .callback = dmi_disable_osi_vista, 360e5f660ebSLv Zheng .ident = "Sony VGN-NS10J_S", 361e5f660ebSLv Zheng .matches = { 362e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 363e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"), 364e5f660ebSLv Zheng }, 365e5f660ebSLv Zheng }, 366e5f660ebSLv Zheng { 367e5f660ebSLv Zheng .callback = dmi_disable_osi_vista, 368e5f660ebSLv Zheng .ident = "Sony VGN-SR290J", 369e5f660ebSLv Zheng .matches = { 370e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 371e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"), 372e5f660ebSLv Zheng }, 373e5f660ebSLv Zheng }, 374e5f660ebSLv Zheng { 375e5f660ebSLv Zheng .callback = dmi_disable_osi_vista, 376e5f660ebSLv Zheng .ident = "VGN-NS50B_L", 377e5f660ebSLv Zheng .matches = { 378e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 379e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"), 380e5f660ebSLv Zheng }, 381e5f660ebSLv Zheng }, 382e5f660ebSLv Zheng { 383e5f660ebSLv Zheng .callback = dmi_disable_osi_vista, 384e5f660ebSLv Zheng .ident = "VGN-SR19XN", 385e5f660ebSLv Zheng .matches = { 386e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 387e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR19XN"), 388e5f660ebSLv Zheng }, 389e5f660ebSLv Zheng }, 390e5f660ebSLv Zheng { 391e5f660ebSLv Zheng .callback = dmi_disable_osi_vista, 392e5f660ebSLv Zheng .ident = "Toshiba Satellite L355", 393e5f660ebSLv Zheng .matches = { 394e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 395e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"), 396e5f660ebSLv Zheng }, 397e5f660ebSLv Zheng }, 398e5f660ebSLv Zheng { 399e5f660ebSLv Zheng .callback = dmi_disable_osi_win7, 400e5f660ebSLv Zheng .ident = "ASUS K50IJ", 401e5f660ebSLv Zheng .matches = { 402e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), 403e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"), 404e5f660ebSLv Zheng }, 405e5f660ebSLv Zheng }, 406e5f660ebSLv Zheng { 407e5f660ebSLv Zheng .callback = dmi_disable_osi_vista, 408e5f660ebSLv Zheng .ident = "Toshiba P305D", 409e5f660ebSLv Zheng .matches = { 410e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 411e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"), 412e5f660ebSLv Zheng }, 413e5f660ebSLv Zheng }, 414e5f660ebSLv Zheng { 415e5f660ebSLv Zheng .callback = dmi_disable_osi_vista, 416e5f660ebSLv Zheng .ident = "Toshiba NB100", 417e5f660ebSLv Zheng .matches = { 418e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 419e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "NB100"), 420e5f660ebSLv Zheng }, 421e5f660ebSLv Zheng }, 422e5f660ebSLv Zheng 423e5f660ebSLv Zheng /* 424e5f660ebSLv Zheng * The wireless hotkey does not work on those machines when 425e5f660ebSLv Zheng * returning true for _OSI("Windows 2012") 426e5f660ebSLv Zheng */ 427e5f660ebSLv Zheng { 428e5f660ebSLv Zheng .callback = dmi_disable_osi_win8, 429e5f660ebSLv Zheng .ident = "Dell Inspiron 7737", 430e5f660ebSLv Zheng .matches = { 431e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 432e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"), 433e5f660ebSLv Zheng }, 434e5f660ebSLv Zheng }, 435e5f660ebSLv Zheng { 436e5f660ebSLv Zheng .callback = dmi_disable_osi_win8, 437e5f660ebSLv Zheng .ident = "Dell Inspiron 7537", 438e5f660ebSLv Zheng .matches = { 439e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 440e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"), 441e5f660ebSLv Zheng }, 442e5f660ebSLv Zheng }, 443e5f660ebSLv Zheng { 444e5f660ebSLv Zheng .callback = dmi_disable_osi_win8, 445e5f660ebSLv Zheng .ident = "Dell Inspiron 5437", 446e5f660ebSLv Zheng .matches = { 447e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 448e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"), 449e5f660ebSLv Zheng }, 450e5f660ebSLv Zheng }, 451e5f660ebSLv Zheng { 452e5f660ebSLv Zheng .callback = dmi_disable_osi_win8, 453e5f660ebSLv Zheng .ident = "Dell Inspiron 3437", 454e5f660ebSLv Zheng .matches = { 455e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 456e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"), 457e5f660ebSLv Zheng }, 458e5f660ebSLv Zheng }, 459e5f660ebSLv Zheng { 460e5f660ebSLv Zheng .callback = dmi_disable_osi_win8, 461e5f660ebSLv Zheng .ident = "Dell Vostro 3446", 462e5f660ebSLv Zheng .matches = { 463e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 464e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"), 465e5f660ebSLv Zheng }, 466e5f660ebSLv Zheng }, 467e5f660ebSLv Zheng { 468e5f660ebSLv Zheng .callback = dmi_disable_osi_win8, 469e5f660ebSLv Zheng .ident = "Dell Vostro 3546", 470e5f660ebSLv Zheng .matches = { 471e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 472e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"), 473e5f660ebSLv Zheng }, 474e5f660ebSLv Zheng }, 475e5f660ebSLv Zheng 476e5f660ebSLv Zheng /* 477e5f660ebSLv Zheng * BIOS invocation of _OSI(Linux) is almost always a BIOS bug. 478e5f660ebSLv Zheng * Linux ignores it, except for the machines enumerated below. 479e5f660ebSLv Zheng */ 480e5f660ebSLv Zheng 481e5f660ebSLv Zheng /* 482e5f660ebSLv Zheng * Without this this EEEpc exports a non working WMI interface, with 483e5f660ebSLv Zheng * this it exports a working "good old" eeepc_laptop interface, fixing 484e5f660ebSLv Zheng * both brightness control, and rfkill not working. 485e5f660ebSLv Zheng */ 486e5f660ebSLv Zheng { 487e5f660ebSLv Zheng .callback = dmi_enable_osi_linux, 488e5f660ebSLv Zheng .ident = "Asus EEE PC 1015PX", 489e5f660ebSLv Zheng .matches = { 490e5f660ebSLv Zheng DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), 491e5f660ebSLv Zheng DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"), 492e5f660ebSLv Zheng }, 493e5f660ebSLv Zheng }, 494e5f660ebSLv Zheng {} 495e5f660ebSLv Zheng }; 496e5f660ebSLv Zheng 497e5f660ebSLv Zheng static __init void acpi_osi_dmi_blacklisted(void) 498e5f660ebSLv Zheng { 499e5f660ebSLv Zheng dmi_check_system(acpi_osi_dmi_table); 500630b3affSLukas Wunner 501630b3affSLukas Wunner /* Enable _OSI("Darwin") for Apple platforms. */ 502630b3affSLukas Wunner if (x86_apple_machine) 503630b3affSLukas Wunner acpi_osi_dmi_darwin(); 504e5f660ebSLv Zheng } 505e5f660ebSLv Zheng 506e5f660ebSLv Zheng int __init early_acpi_osi_init(void) 507e5f660ebSLv Zheng { 508e5f660ebSLv Zheng acpi_osi_dmi_blacklisted(); 509e5f660ebSLv Zheng 510e5f660ebSLv Zheng return 0; 511e5f660ebSLv Zheng } 512e5f660ebSLv Zheng 513e5f660ebSLv Zheng int __init acpi_osi_init(void) 514e5f660ebSLv Zheng { 515e5f660ebSLv Zheng acpi_install_interface_handler(acpi_osi_handler); 516e5f660ebSLv Zheng acpi_osi_setup_late(); 517e5f660ebSLv Zheng 518e5f660ebSLv Zheng return 0; 519e5f660ebSLv Zheng } 520