1# 2# ACPI Configuration 3# 4 5menu "ACPI (Advanced Configuration and Power Interface) Support" 6 depends on !X86_VISWS 7 depends on !IA64_HP_SIM 8 depends on IA64 || X86 9 10config ACPI 11 bool "ACPI Support" 12 depends on IA64 || X86 13 depends on PCI 14 select PM 15 default y 16 ---help--- 17 Advanced Configuration and Power Interface (ACPI) support for 18 Linux requires an ACPI compliant platform (hardware/firmware), 19 and assumes the presence of OS-directed configuration and power 20 management (OSPM) software. This option will enlarge your 21 kernel by about 70K. 22 23 Linux ACPI provides a robust functional replacement for several 24 legacy configuration and power management interfaces, including 25 the Plug-and-Play BIOS specification (PnP BIOS), the 26 MultiProcessor Specification (MPS), and the Advanced Power 27 Management (APM) specification. If both ACPI and APM support 28 are configured, whichever is loaded first shall be used. 29 30 The ACPI SourceForge project contains the latest source code, 31 documentation, tools, mailing list subscription, and other 32 information. This project is available at: 33 <http://sourceforge.net/projects/acpi> 34 35 Linux support for ACPI is based on Intel Corporation's ACPI 36 Component Architecture (ACPI CA). For more information see: 37 <http://developer.intel.com/technology/iapc/acpi> 38 39 ACPI is an open industry specification co-developed by Compaq, 40 Intel, Microsoft, Phoenix, and Toshiba. The specification is 41 available at: 42 <http://www.acpi.info> 43 44if ACPI 45 46config ACPI_SLEEP 47 bool "Sleep States" 48 depends on X86 && (!SMP || SUSPEND_SMP) 49 depends on PM 50 default y 51 ---help--- 52 This option adds support for ACPI suspend states. 53 54 With this option, you will be able to put the system "to sleep". 55 Sleep states are low power states for the system and devices. All 56 of the system operating state is saved to either memory or disk 57 (depending on the state), to allow the system to resume operation 58 quickly at your request. 59 60 Although this option sounds really nifty, barely any of the device 61 drivers have been converted to the new driver model and hence few 62 have proper power management support. 63 64 This option is not recommended for anyone except those doing driver 65 power management development. 66 67config ACPI_SLEEP_PROC_FS 68 bool 69 depends on ACPI_SLEEP && PROC_FS 70 default y 71 72config ACPI_SLEEP_PROC_SLEEP 73 bool "/proc/acpi/sleep (deprecated)" 74 depends on ACPI_SLEEP_PROC_FS 75 default n 76 ---help--- 77 Create /proc/acpi/sleep 78 Deprecated by /sys/power/state 79 80config ACPI_AC 81 tristate "AC Adapter" 82 depends on X86 83 default y 84 help 85 This driver adds support for the AC Adapter object, which indicates 86 whether a system is on AC, or not. If you have a system that can 87 switch between A/C and battery, say Y. 88 89config ACPI_BATTERY 90 tristate "Battery" 91 depends on X86 92 default y 93 help 94 This driver adds support for battery information through 95 /proc/acpi/battery. If you have a mobile system with a battery, 96 say Y. 97 98config ACPI_BUTTON 99 tristate "Button" 100 default y 101 help 102 This driver handles events on the power, sleep and lid buttons. 103 A daemon reads /proc/acpi/event and perform user-defined actions 104 such as shutting down the system. This is necessary for 105 software controlled poweroff. 106 107config ACPI_VIDEO 108 tristate "Video" 109 depends on X86 110 help 111 This driver implement the ACPI Extensions For Display Adapters 112 for integrated graphics devices on motherboard, as specified in 113 ACPI 2.0 Specification, Appendix B, allowing to perform some basic 114 control like defining the video POST device, retrieving EDID information 115 or to setup a video output, etc. 116 Note that this is an ref. implementation only. It may or may not work 117 for your integrated video device. 118 119config ACPI_HOTKEY 120 tristate "Generic Hotkey (EXPERIMENTAL)" 121 depends on EXPERIMENTAL 122 depends on X86 123 default n 124 help 125 Experimental consolidated hotkey driver. 126 If you are unsure, say N. 127 128config ACPI_FAN 129 tristate "Fan" 130 default y 131 help 132 This driver adds support for ACPI fan devices, allowing user-mode 133 applications to perform basic fan control (on, off, status). 134 135config ACPI_DOCK 136 tristate "Dock" 137 depends on EXPERIMENTAL 138 help 139 This driver adds support for ACPI controlled docking stations 140 141config ACPI_PROCESSOR 142 tristate "Processor" 143 default y 144 help 145 This driver installs ACPI as the idle handler for Linux, and uses 146 ACPI C2 and C3 processor states to save power, on systems that 147 support it. It is required by several flavors of cpufreq 148 Performance-state drivers. 149 150config ACPI_HOTPLUG_CPU 151 bool 152 depends on ACPI_PROCESSOR && HOTPLUG_CPU 153 select ACPI_CONTAINER 154 default y 155 156config ACPI_THERMAL 157 tristate "Thermal Zone" 158 depends on ACPI_PROCESSOR 159 default y 160 help 161 This driver adds support for ACPI thermal zones. Most mobile and 162 some desktop systems support ACPI thermal zones. It is HIGHLY 163 recommended that this option be enabled, as your processor(s) 164 may be damaged without it. 165 166config ACPI_NUMA 167 bool "NUMA support" 168 depends on NUMA 169 depends on (X86 || IA64) 170 default y if IA64_GENERIC || IA64_SGI_SN2 171 172config ACPI_ASUS 173 tristate "ASUS/Medion Laptop Extras" 174 depends on X86 175 ---help--- 176 This driver provides support for extra features of ACPI-compatible 177 ASUS laptops. As some of Medion laptops are made by ASUS, it may also 178 support some Medion laptops (such as 9675 for example). It makes all 179 the extra buttons generate standard ACPI events that go through 180 /proc/acpi/events, and (on some models) adds support for changing the 181 display brightness and output, switching the LCD backlight on and off, 182 and most importantly, allows you to blink those fancy LEDs intended 183 for reporting mail and wireless status. 184 185 Note: display switching code is currently considered EXPERIMENTAL, 186 toying with these values may even lock your machine. 187 188 All settings are changed via /proc/acpi/asus directory entries. Owner 189 and group for these entries can be set with asus_uid and asus_gid 190 parameters. 191 192 More information and a userspace daemon for handling the extra buttons 193 at <http://sourceforge.net/projects/acpi4asus/>. 194 195 If you have an ACPI-compatible ASUS laptop, say Y or M here. This 196 driver is still under development, so if your laptop is unsupported or 197 something works not quite as expected, please use the mailing list 198 available on the above page (acpi4asus-user@lists.sourceforge.net) 199 200config ACPI_IBM 201 tristate "IBM ThinkPad Laptop Extras" 202 depends on X86 203 ---help--- 204 This is a Linux ACPI driver for the IBM ThinkPad laptops. It adds 205 support for Fn-Fx key combinations, Bluetooth control, video 206 output switching, ThinkLight control, UltraBay eject and more. 207 For more information about this driver see <file:Documentation/ibm-acpi.txt> 208 and <http://ibm-acpi.sf.net/> . 209 210 If you have an IBM ThinkPad laptop, say Y or M here. 211 212config ACPI_IBM_DOCK 213 bool "Legacy Docking Station Support" 214 depends on ACPI_IBM 215 depends on ACPI_DOCK=n 216 default n 217 ---help--- 218 Allows the ibm_acpi driver to handle docking station events. 219 This support is obsoleted by CONFIG_HOTPLUG_PCI_ACPI. It will 220 allow locking and removing the laptop from the docking station, 221 but will not properly connect PCI devices. 222 223 If you are not sure, say N here. 224 225config ACPI_TOSHIBA 226 tristate "Toshiba Laptop Extras" 227 depends on X86 228 ---help--- 229 This driver adds support for access to certain system settings 230 on "legacy free" Toshiba laptops. These laptops can be recognized by 231 their lack of a BIOS setup menu and APM support. 232 233 On these machines, all system configuration is handled through the 234 ACPI. This driver is required for access to controls not covered 235 by the general ACPI drivers, such as LCD brightness, video output, 236 etc. 237 238 This driver differs from the non-ACPI Toshiba laptop driver (located 239 under "Processor type and features") in several aspects. 240 Configuration is accessed by reading and writing text files in the 241 /proc tree instead of by program interface to /dev. Furthermore, no 242 power management functions are exposed, as those are handled by the 243 general ACPI drivers. 244 245 More information about this driver is available at 246 <http://memebeam.org/toys/ToshibaAcpiDriver>. 247 248 If you have a legacy free Toshiba laptop (such as the Libretto L1 249 series), say Y. 250 251config ACPI_CUSTOM_DSDT 252 bool "Include Custom DSDT" 253 depends on !STANDALONE 254 default n 255 help 256 Thist option is to load a custom ACPI DSDT 257 If you don't know what that is, say N. 258 259config ACPI_CUSTOM_DSDT_FILE 260 string "Custom DSDT Table file to include" 261 depends on ACPI_CUSTOM_DSDT 262 default "" 263 help 264 Enter the full path name to the file which includes the AmlCode 265 declaration. 266 267config ACPI_BLACKLIST_YEAR 268 int "Disable ACPI for systems before Jan 1st this year" if X86_32 269 default 0 270 help 271 enter a 4-digit year, eg. 2001 to disable ACPI by default 272 on platforms with DMI BIOS date before January 1st that year. 273 "acpi=force" can be used to override this mechanism. 274 275 Enter 0 to disable this mechanism and allow ACPI to 276 run by default no matter what the year. (default) 277 278config ACPI_DEBUG 279 bool "Debug Statements" 280 default n 281 help 282 The ACPI driver can optionally report errors with a great deal 283 of verbosity. Saying Y enables these statements. This will increase 284 your kernel size by around 50K. 285 286config ACPI_EC 287 bool 288 default y 289 help 290 This driver is required on some systems for the proper operation of 291 the battery and thermal drivers. If you are compiling for a 292 mobile system, say Y. 293 294config ACPI_POWER 295 bool 296 default y 297 298config ACPI_SYSTEM 299 bool 300 default y 301 help 302 This driver will enable your system to shut down using ACPI, and 303 dump your ACPI DSDT table using /proc/acpi/dsdt. 304 305config X86_PM_TIMER 306 bool "Power Management Timer Support" if EMBEDDED 307 depends on X86 308 default y 309 help 310 The Power Management Timer is available on all ACPI-capable, 311 in most cases even if ACPI is unusable or blacklisted. 312 313 This timing source is not affected by powermanagement features 314 like aggressive processor idling, throttling, frequency and/or 315 voltage scaling, unlike the commonly used Time Stamp Counter 316 (TSC) timing source. 317 318 You should nearly always say Y here because many modern 319 systems require this timer. 320 321config ACPI_CONTAINER 322 tristate "ACPI0004,PNP0A05 and PNP0A06 Container Driver (EXPERIMENTAL)" 323 depends on EXPERIMENTAL 324 default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO) 325 ---help--- 326 This allows _physical_ insertion and removal of CPUs and memory. 327 This can be useful, for example, on NUMA machines that support 328 ACPI based physical hotplug of nodes, or non-NUMA machines that 329 support physical cpu/memory hot-plug. 330 331 If one selects "m", this driver can be loaded with 332 "modprobe acpi_container". 333 334config ACPI_HOTPLUG_MEMORY 335 tristate "Memory Hotplug" 336 depends on ACPI 337 depends on MEMORY_HOTPLUG 338 default n 339 help 340 This driver adds supports for ACPI Memory Hotplug. This driver 341 provides support for fielding notifications on ACPI memory 342 devices (PNP0C80) which represent memory ranges that may be 343 onlined or offlined during runtime. 344 345 Enabling this driver assumes that your platform hardware 346 and firmware have support for hot-plugging physical memory. If 347 your system does not support physically adding or ripping out 348 memory DIMMs at some platfrom defined granularity (individually 349 or as a bank) at runtime, then you need not enable this driver. 350 351 If one selects "m," this driver can be loaded using the following 352 command: 353 $>modprobe acpi_memhotplug 354 355config ACPI_SBS 356 tristate "Smart Battery System (EXPERIMENTAL)" 357 depends on X86 && I2C 358 depends on EXPERIMENTAL 359 help 360 This driver adds support for the Smart Battery System. 361 Depends on I2C (Device Drivers ---> I2C support) 362 A "Smart Battery" is quite old and quite rare compared 363 to today's ACPI "Control Method" battery. 364 365endif # ACPI 366 367endmenu 368