Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # |
| 2 | # ACPI Configuration |
| 3 | # |
| 4 | |
Jan Engelhardt | 3f2c48c | 2007-07-03 01:40:59 -0400 | [diff] [blame] | 5 | menuconfig ACPI |
Frans Pop | 355ee5e | 2007-10-29 17:20:38 -0400 | [diff] [blame] | 6 | bool "ACPI (Advanced Configuration and Power Interface) Support" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | depends on !IA64_HP_SIM |
| 8 | depends on IA64 || X86 |
Adrian Bunk | 1300124 | 2006-03-28 17:04:00 -0500 | [diff] [blame] | 9 | depends on PCI |
Andrew Morton | 6796a12 | 2006-12-19 12:56:13 -0800 | [diff] [blame] | 10 | depends on PM |
Len Brown | 243b66e | 2007-02-15 22:34:36 -0500 | [diff] [blame] | 11 | select PNP |
Len Brown | 9fdd54f | 2009-02-06 12:24:17 -0500 | [diff] [blame] | 12 | select CPU_IDLE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | default y |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 14 | help |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | Advanced Configuration and Power Interface (ACPI) support for |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 16 | Linux requires an ACPI-compliant platform (hardware/firmware), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | and assumes the presence of OS-directed configuration and power |
| 18 | management (OSPM) software. This option will enlarge your |
| 19 | kernel by about 70K. |
| 20 | |
| 21 | Linux ACPI provides a robust functional replacement for several |
| 22 | legacy configuration and power management interfaces, including |
| 23 | the Plug-and-Play BIOS specification (PnP BIOS), the |
| 24 | MultiProcessor Specification (MPS), and the Advanced Power |
| 25 | Management (APM) specification. If both ACPI and APM support |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 26 | are configured, ACPI is used. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 28 | The project home page for the Linux ACPI subsystem is here: |
| 29 | <http://www.lesswatts.org/projects/acpi/> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | |
| 31 | Linux support for ACPI is based on Intel Corporation's ACPI |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 32 | Component Architecture (ACPI CA). For more information on the |
| 33 | ACPI CA, see: |
| 34 | <http://acpica.org/> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 36 | ACPI is an open industry specification co-developed by |
| 37 | Hewlett-Packard, Intel, Microsoft, Phoenix, and Toshiba. |
| 38 | The specification is available at: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | <http://www.acpi.info> |
| 40 | |
Len Brown | 3e11c3c | 2005-05-27 04:53:27 -0400 | [diff] [blame] | 41 | if ACPI |
| 42 | |
Len Brown | 673d5b4 | 2007-07-28 03:33:16 -0400 | [diff] [blame] | 43 | config ACPI_SLEEP |
| 44 | bool |
Rafael J. Wysocki | 5d1e072 | 2008-10-22 14:58:43 -0400 | [diff] [blame] | 45 | depends on SUSPEND || HIBERNATION |
Len Brown | 673d5b4 | 2007-07-28 03:33:16 -0400 | [diff] [blame] | 46 | default y |
| 47 | |
Zhang Rui | b981c59 | 2007-01-29 11:02:30 +0800 | [diff] [blame] | 48 | config ACPI_PROCFS |
Len Brown | fb80471 | 2007-07-24 01:50:46 -0400 | [diff] [blame] | 49 | bool "Deprecated /proc/acpi files" |
| 50 | depends on PROC_FS |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 51 | help |
Len Brown | fb80471 | 2007-07-24 01:50:46 -0400 | [diff] [blame] | 52 | For backwards compatibility, this option allows |
Rolf Eike Beer | 405bbe9 | 2007-10-20 03:10:57 +0200 | [diff] [blame] | 53 | deprecated /proc/acpi/ files to exist, even when |
Len Brown | fb80471 | 2007-07-24 01:50:46 -0400 | [diff] [blame] | 54 | they have been replaced by functions in /sys. |
| 55 | The deprecated files (and their replacements) include: |
| 56 | |
Len Brown | 43532c8 | 2007-07-24 02:16:50 -0400 | [diff] [blame] | 57 | /proc/acpi/sleep (/sys/power/state) |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 58 | /proc/acpi/info (/sys/module/acpi/parameters/acpica_version) |
Len Brown | fb80471 | 2007-07-24 01:50:46 -0400 | [diff] [blame] | 59 | /proc/acpi/dsdt (/sys/firmware/acpi/tables/DSDT) |
| 60 | /proc/acpi/fadt (/sys/firmware/acpi/tables/FACP) |
| 61 | /proc/acpi/debug_layer (/sys/module/acpi/parameters/debug_layer) |
| 62 | /proc/acpi/debug_level (/sys/module/acpi/parameters/debug_level) |
Zhao Yakui | 74cad4e | 2009-06-24 11:49:49 +0800 | [diff] [blame] | 63 | /proc/acpi/processor/*/power (/sys/devices/system/cpu/*/cpuidle/*) |
| 64 | /proc/acpi/processor/*/performance (/sys/devices/system/cpu/*/ |
| 65 | cpufreq/*) |
| 66 | /proc/acpi/processor/*/throttling (/sys/class/thermal/ |
| 67 | cooling_device*/*) |
Len Brown | fb80471 | 2007-07-24 01:50:46 -0400 | [diff] [blame] | 68 | This option has no effect on /proc/acpi/ files |
| 69 | and functions which do not yet exist in /sys. |
| 70 | |
| 71 | Say N to delete /proc/acpi/ files that have moved to /sys/ |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 72 | |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 73 | config ACPI_PROCFS_POWER |
Alan Cox | 9e52797 | 2008-01-03 16:31:42 +0000 | [diff] [blame] | 74 | bool "Deprecated power /proc/acpi directories" |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 75 | depends on PROC_FS |
| 76 | default y |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 77 | help |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 78 | For backwards compatibility, this option allows |
Alan Cox | 9e52797 | 2008-01-03 16:31:42 +0000 | [diff] [blame] | 79 | deprecated power /proc/acpi/ directories to exist, even when |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 80 | they have been replaced by functions in /sys. |
Alan Cox | 9e52797 | 2008-01-03 16:31:42 +0000 | [diff] [blame] | 81 | The deprecated directories (and their replacements) include: |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 82 | /proc/acpi/battery/* (/sys/class/power_supply/*) |
| 83 | /proc/acpi/ac_adapter/* (sys/class/power_supply/*) |
Alan Cox | 9e52797 | 2008-01-03 16:31:42 +0000 | [diff] [blame] | 84 | This option has no effect on /proc/acpi/ directories |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 85 | and functions, which do not yet exist in /sys |
Zhang Rui | b981c59 | 2007-01-29 11:02:30 +0800 | [diff] [blame] | 86 | |
Alan Cox | 9e52797 | 2008-01-03 16:31:42 +0000 | [diff] [blame] | 87 | Say N to delete power /proc/acpi/ directories that have moved to /sys/ |
| 88 | |
Darrick J. Wong | de584af | 2009-09-18 12:41:09 -0700 | [diff] [blame] | 89 | config ACPI_POWER_METER |
| 90 | tristate "ACPI 4.0 power meter" |
| 91 | depends on HWMON |
| 92 | help |
| 93 | This driver exposes ACPI 4.0 power meters as hardware monitoring |
| 94 | devices. Say Y (or M) if you have a computer with ACPI 4.0 firmware |
| 95 | and a power meter. |
| 96 | |
| 97 | To compile this driver as a module, choose M here: |
| 98 | the module will be called power-meter. |
| 99 | |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 100 | config ACPI_SYSFS_POWER |
| 101 | bool "Future power /sys interface" |
| 102 | select POWER_SUPPLY |
| 103 | default y |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 104 | help |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 105 | Say N to disable power /sys interface |
Alan Cox | 9e52797 | 2008-01-03 16:31:42 +0000 | [diff] [blame] | 106 | |
Thomas Renninger | 1195a09 | 2010-07-16 13:11:31 +0200 | [diff] [blame] | 107 | config ACPI_EC_DEBUGFS |
| 108 | tristate "EC read/write access through /sys/kernel/debug/ec" |
Thomas Renninger | 500de3dd | 2010-07-29 22:30:24 +0200 | [diff] [blame] | 109 | default n |
Thomas Renninger | 1195a09 | 2010-07-16 13:11:31 +0200 | [diff] [blame] | 110 | help |
| 111 | Say N to disable Embedded Controller /sys/kernel/debug interface |
| 112 | |
Thomas Renninger | 500de3dd | 2010-07-29 22:30:24 +0200 | [diff] [blame] | 113 | Be aware that using this interface can confuse your Embedded |
| 114 | Controller in a way that a normal reboot is not enough. You then |
| 115 | have to power of your system, and remove the laptop battery for |
| 116 | some seconds. |
Thomas Renninger | 1195a09 | 2010-07-16 13:11:31 +0200 | [diff] [blame] | 117 | An Embedded Controller typically is available on laptops and reads |
| 118 | sensor values like battery state and temperature. |
Thomas Renninger | 500de3dd | 2010-07-29 22:30:24 +0200 | [diff] [blame] | 119 | The kernel accesses the EC through ACPI parsed code provided by BIOS |
| 120 | tables. This option allows to access the EC directly without ACPI |
| 121 | code being involved. |
Thomas Renninger | 1195a09 | 2010-07-16 13:11:31 +0200 | [diff] [blame] | 122 | Thus this option is a debug option that helps to write ACPI drivers |
| 123 | and can be used to identify ACPI code or EC firmware bugs. |
| 124 | |
Len Brown | 14e04fb | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 125 | config ACPI_PROC_EVENT |
| 126 | bool "Deprecated /proc/acpi/event support" |
| 127 | depends on PROC_FS |
Hugh Dickins | 721ebe0 | 2007-08-27 16:04:39 +0100 | [diff] [blame] | 128 | default y |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 129 | help |
| 130 | A user-space daemon, acpid, typically reads /proc/acpi/event |
| 131 | and handles all ACPI-generated events. |
Len Brown | 14e04fb | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 132 | |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 133 | These events are now delivered to user-space either |
| 134 | via the input layer or as netlink events. |
Len Brown | 14e04fb | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 135 | |
Hugh Dickins | 721ebe0 | 2007-08-27 16:04:39 +0100 | [diff] [blame] | 136 | This build option enables the old code for legacy |
Len Brown | 14e04fb | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 137 | user-space implementation. After some time, this will |
| 138 | be moved under CONFIG_ACPI_PROCFS, and then deleted. |
| 139 | |
Hugh Dickins | 721ebe0 | 2007-08-27 16:04:39 +0100 | [diff] [blame] | 140 | Say Y here to retain the old behaviour. Say N if your |
| 141 | user-space is newer than kernel 2.6.23 (September 2007). |
| 142 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | config ACPI_AC |
| 144 | tristate "AC Adapter" |
Alexey Starikovskiy | 5527c8b | 2007-10-29 17:08:59 -0400 | [diff] [blame] | 145 | depends on X86 |
Len Brown | 07fefe4 | 2005-08-25 12:22:04 -0400 | [diff] [blame] | 146 | default y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | help |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 148 | This driver supports the AC Adapter object, which indicates |
| 149 | whether a system is on AC or not. If you have a system that can |
Len Brown | 07fefe4 | 2005-08-25 12:22:04 -0400 | [diff] [blame] | 150 | switch between A/C and battery, say Y. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 152 | To compile this driver as a module, choose M here: |
| 153 | the module will be called ac. |
| 154 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | config ACPI_BATTERY |
| 156 | tristate "Battery" |
Alexey Starikovskiy | 5527c8b | 2007-10-29 17:08:59 -0400 | [diff] [blame] | 157 | depends on X86 |
Len Brown | 07fefe4 | 2005-08-25 12:22:04 -0400 | [diff] [blame] | 158 | default y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | help |
| 160 | This driver adds support for battery information through |
| 161 | /proc/acpi/battery. If you have a mobile system with a battery, |
| 162 | say Y. |
| 163 | |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 164 | To compile this driver as a module, choose M here: |
| 165 | the module will be called battery. |
| 166 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | config ACPI_BUTTON |
| 168 | tristate "Button" |
Dmitry Torokhov | c0968f0 | 2006-11-09 00:40:13 -0500 | [diff] [blame] | 169 | depends on INPUT |
Len Brown | 07fefe4 | 2005-08-25 12:22:04 -0400 | [diff] [blame] | 170 | default y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | help |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 172 | This driver handles events on the power, sleep, and lid buttons. |
Len Brown | 07fefe4 | 2005-08-25 12:22:04 -0400 | [diff] [blame] | 173 | A daemon reads /proc/acpi/event and perform user-defined actions |
| 174 | such as shutting down the system. This is necessary for |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 175 | software-controlled poweroff. |
| 176 | |
| 177 | To compile this driver as a module, choose M here: |
| 178 | the module will be called button. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | |
| 180 | config ACPI_VIDEO |
| 181 | tristate "Video" |
Luming Yu | 23b0f01 | 2007-05-09 21:07:05 +0800 | [diff] [blame] | 182 | depends on X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL |
Andreas Herrmann | 03e2bf2 | 2007-09-17 23:41:05 +0200 | [diff] [blame] | 183 | depends on INPUT |
Zhang Rui | 63c4ec9 | 2008-04-21 16:07:13 +0800 | [diff] [blame] | 184 | select THERMAL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | help |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 186 | This driver implements the ACPI Extensions For Display Adapters |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | for integrated graphics devices on motherboard, as specified in |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 188 | ACPI 2.0 Specification, Appendix B. This supports basic operations |
| 189 | such as defining the video POST device, retrieving EDID information, |
| 190 | and setting up a video output. |
| 191 | |
| 192 | To compile this driver as a module, choose M here: |
| 193 | the module will be called video. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | |
| 195 | config ACPI_FAN |
| 196 | tristate "Fan" |
Zhang Rui | 63c4ec9 | 2008-04-21 16:07:13 +0800 | [diff] [blame] | 197 | select THERMAL |
Len Brown | 07fefe4 | 2005-08-25 12:22:04 -0400 | [diff] [blame] | 198 | default y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | help |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 200 | This driver supports ACPI fan devices, allowing user-mode |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | applications to perform basic fan control (on, off, status). |
| 202 | |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 203 | To compile this driver as a module, choose M here: |
| 204 | the module will be called fan. |
| 205 | |
Len Brown | c8f7a62 | 2006-07-09 17:22:28 -0400 | [diff] [blame] | 206 | config ACPI_DOCK |
Shaohua Li | 898b054 | 2008-09-27 11:10:28 +0800 | [diff] [blame] | 207 | bool "Dock" |
Len Brown | 8d7bff6 | 2006-07-09 22:09:57 -0400 | [diff] [blame] | 208 | depends on EXPERIMENTAL |
Len Brown | c8f7a62 | 2006-07-09 17:22:28 -0400 | [diff] [blame] | 209 | help |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 210 | This driver supports ACPI-controlled docking stations and removable |
| 211 | drive bays such as the IBM Ultrabay and the Dell Module Bay. |
Kristen Carlson Accardi | 01b57e7 | 2006-10-20 14:30:25 -0700 | [diff] [blame] | 212 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | config ACPI_PROCESSOR |
| 214 | tristate "Processor" |
Zhang Rui | 63c4ec9 | 2008-04-21 16:07:13 +0800 | [diff] [blame] | 215 | select THERMAL |
Len Brown | 07fefe4 | 2005-08-25 12:22:04 -0400 | [diff] [blame] | 216 | default y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | help |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 218 | This driver installs ACPI as the idle handler for Linux and uses |
| 219 | ACPI C2 and C3 processor states to save power on systems that |
Len Brown | 07fefe4 | 2005-08-25 12:22:04 -0400 | [diff] [blame] | 220 | support it. It is required by several flavors of cpufreq |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 221 | performance-state drivers. |
| 222 | |
| 223 | To compile this driver as a module, choose M here: |
| 224 | the module will be called processor. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | |
| 226 | config ACPI_HOTPLUG_CPU |
Adrian Bunk | cbfc1ba | 2005-07-30 04:18:00 -0400 | [diff] [blame] | 227 | bool |
| 228 | depends on ACPI_PROCESSOR && HOTPLUG_CPU |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | select ACPI_CONTAINER |
Adrian Bunk | cbfc1ba | 2005-07-30 04:18:00 -0400 | [diff] [blame] | 230 | default y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | |
Shaohua Li | 8e0af51 | 2009-07-27 18:11:02 -0400 | [diff] [blame] | 232 | config ACPI_PROCESSOR_AGGREGATOR |
| 233 | tristate "Processor Aggregator" |
| 234 | depends on ACPI_PROCESSOR |
| 235 | depends on EXPERIMENTAL |
Len Brown | d91f79e | 2009-09-27 02:35:55 -0400 | [diff] [blame] | 236 | depends on X86 |
Shaohua Li | 8e0af51 | 2009-07-27 18:11:02 -0400 | [diff] [blame] | 237 | help |
| 238 | ACPI 4.0 defines processor Aggregator, which enables OS to perform |
Jiri Slaby | c4c4e2a | 2009-10-09 15:53:24 +0200 | [diff] [blame] | 239 | specific processor configuration and control that applies to all |
Shaohua Li | 8e0af51 | 2009-07-27 18:11:02 -0400 | [diff] [blame] | 240 | processors in the platform. Currently only logical processor idling |
| 241 | is defined, which is to reduce power consumption. This driver |
Jiri Slaby | c4c4e2a | 2009-10-09 15:53:24 +0200 | [diff] [blame] | 242 | supports the new device. |
Shaohua Li | 8e0af51 | 2009-07-27 18:11:02 -0400 | [diff] [blame] | 243 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | config ACPI_THERMAL |
| 245 | tristate "Thermal Zone" |
| 246 | depends on ACPI_PROCESSOR |
Zhang Rui | 3f655ef | 2008-01-17 15:51:11 +0800 | [diff] [blame] | 247 | select THERMAL |
Len Brown | 07fefe4 | 2005-08-25 12:22:04 -0400 | [diff] [blame] | 248 | default y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | help |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 250 | This driver supports ACPI thermal zones. Most mobile and |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | some desktop systems support ACPI thermal zones. It is HIGHLY |
| 252 | recommended that this option be enabled, as your processor(s) |
| 253 | may be damaged without it. |
| 254 | |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 255 | To compile this driver as a module, choose M here: |
| 256 | the module will be called thermal. |
| 257 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | config ACPI_NUMA |
| 259 | bool "NUMA support" |
| 260 | depends on NUMA |
Yasunori Goto | 762834e | 2006-06-23 02:03:19 -0700 | [diff] [blame] | 261 | depends on (X86 || IA64) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | default y if IA64_GENERIC || IA64_SGI_SN2 |
| 263 | |
Randy Dunlap | 7ce9573 | 2008-02-22 11:25:04 -0800 | [diff] [blame] | 264 | config ACPI_CUSTOM_DSDT_FILE |
| 265 | string "Custom DSDT Table file to include" |
| 266 | default "" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | depends on !STANDALONE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | help |
Len Brown | d89e9d6 | 2008-02-06 19:28:02 -0500 | [diff] [blame] | 269 | This option supports a custom DSDT by linking it into the kernel. |
| 270 | See Documentation/acpi/dsdt-override.txt |
| 271 | |
Uwe Zeisberger | c30fe7f | 2006-03-24 18:23:14 +0100 | [diff] [blame] | 272 | Enter the full path name to the file which includes the AmlCode |
| 273 | declaration. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | |
Randy Dunlap | 7ce9573 | 2008-02-22 11:25:04 -0800 | [diff] [blame] | 275 | If unsure, don't enter a file name. |
| 276 | |
| 277 | config ACPI_CUSTOM_DSDT |
| 278 | bool |
| 279 | default ACPI_CUSTOM_DSDT_FILE != "" |
| 280 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | config ACPI_BLACKLIST_YEAR |
Andi Kleen | 2eb1bdb | 2006-02-26 04:18:43 +0100 | [diff] [blame] | 282 | int "Disable ACPI for systems before Jan 1st this year" if X86_32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | default 0 |
| 284 | help |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 285 | Enter a 4-digit year, e.g., 2001, to disable ACPI by default |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | on platforms with DMI BIOS date before January 1st that year. |
| 287 | "acpi=force" can be used to override this mechanism. |
| 288 | |
| 289 | Enter 0 to disable this mechanism and allow ACPI to |
| 290 | run by default no matter what the year. (default) |
| 291 | |
| 292 | config ACPI_DEBUG |
| 293 | bool "Debug Statements" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | default n |
| 295 | help |
Bjorn Helgaas | a0d84a9 | 2008-11-07 16:58:05 -0700 | [diff] [blame] | 296 | The ACPI subsystem can produce debug output. Saying Y enables this |
| 297 | output and increases the kernel size by around 50K. |
| 298 | |
| 299 | Use the acpi.debug_layer and acpi.debug_level kernel command-line |
| 300 | parameters documented in Documentation/acpi/debug.txt and |
| 301 | Documentation/kernel-parameters.txt to control the type and |
| 302 | amount of debug output. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | |
Thomas Renninger | 798d9103 | 2007-05-31 17:20:39 +0200 | [diff] [blame] | 304 | config ACPI_DEBUG_FUNC_TRACE |
| 305 | bool "Additionally enable ACPI function tracing" |
| 306 | default n |
| 307 | depends on ACPI_DEBUG |
| 308 | help |
| 309 | ACPI Debug Statements slow down ACPI processing. Function trace |
| 310 | is about half of the penalty and is rarely useful. |
| 311 | |
Alex Chiang | 8344b56 | 2008-06-10 15:30:42 -0600 | [diff] [blame] | 312 | config ACPI_PCI_SLOT |
| 313 | tristate "PCI slot detection driver" |
Alex Chiang | 268a03a | 2009-06-17 19:03:57 -0600 | [diff] [blame] | 314 | depends on SYSFS |
Alex Chiang | 8344b56 | 2008-06-10 15:30:42 -0600 | [diff] [blame] | 315 | default n |
| 316 | help |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 317 | This driver creates entries in /sys/bus/pci/slots/ for all PCI |
| 318 | slots in the system. This can help correlate PCI bus addresses, |
| 319 | i.e., segment/bus/device/function tuples, with physical slots in |
| 320 | the system. If you are unsure, say N. |
| 321 | |
| 322 | To compile this driver as a module, choose M here: |
| 323 | the module will be called pci_slot. |
Alex Chiang | 8344b56 | 2008-06-10 15:30:42 -0600 | [diff] [blame] | 324 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | config X86_PM_TIMER |
Andi Kleen | e78256b | 2006-02-26 04:18:37 +0100 | [diff] [blame] | 326 | bool "Power Management Timer Support" if EMBEDDED |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | depends on X86 |
Len Brown | 07fefe4 | 2005-08-25 12:22:04 -0400 | [diff] [blame] | 328 | default y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | help |
| 330 | The Power Management Timer is available on all ACPI-capable, |
| 331 | in most cases even if ACPI is unusable or blacklisted. |
| 332 | |
Matt LaPlante | c73a668 | 2006-10-03 22:24:43 +0200 | [diff] [blame] | 333 | This timing source is not affected by power management features |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | like aggressive processor idling, throttling, frequency and/or |
| 335 | voltage scaling, unlike the commonly used Time Stamp Counter |
| 336 | (TSC) timing source. |
| 337 | |
Andi Kleen | e78256b | 2006-02-26 04:18:37 +0100 | [diff] [blame] | 338 | You should nearly always say Y here because many modern |
| 339 | systems require this timer. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | |
| 341 | config ACPI_CONTAINER |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 342 | tristate "Container and Module Devices (EXPERIMENTAL)" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | depends on EXPERIMENTAL |
| 344 | default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO) |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 345 | help |
| 346 | This driver supports ACPI Container and Module devices (IDs |
| 347 | ACPI0004, PNP0A05, and PNP0A06). |
Keiichiro Tokunaga | 45b1b19 | 2005-03-02 00:00:00 -0500 | [diff] [blame] | 348 | |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 349 | This helps support hotplug of nodes, CPUs, and memory. |
| 350 | |
| 351 | To compile this driver as a module, choose M here: |
| 352 | the module will be called container. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | |
| 354 | config ACPI_HOTPLUG_MEMORY |
| 355 | tristate "Memory Hotplug" |
Yasunori Goto | bc02af9 | 2006-06-27 02:53:30 -0700 | [diff] [blame] | 356 | depends on MEMORY_HOTPLUG |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | default n |
| 358 | help |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 359 | This driver supports ACPI memory hotplug. The driver |
| 360 | fields notifications on ACPI memory devices (PNP0C80), |
| 361 | which represent memory ranges that may be onlined or |
| 362 | offlined during runtime. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 364 | If your hardware and firmware do not support adding or |
| 365 | removing memory devices at runtime, you need not enable |
| 366 | this driver. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 368 | To compile this driver as a module, choose M here: |
| 369 | the module will be called acpi_memhotplug. |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 370 | |
| 371 | config ACPI_SBS |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 372 | tristate "Smart Battery System" |
Vladimir Lebedev | b4150fc | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 373 | depends on X86 |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 374 | help |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 375 | This driver supports the Smart Battery System, another |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 376 | type of access to battery information, found on some laptops. |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 377 | |
Bjorn Helgaas | 1c48aa3 | 2009-02-19 14:45:47 -0700 | [diff] [blame] | 378 | To compile this driver as a module, choose M here: |
| 379 | the modules will be called sbs and sbshc. |
| 380 | |
Huang Ying | 801eab8 | 2010-05-18 14:35:17 +0800 | [diff] [blame] | 381 | config ACPI_HED |
| 382 | tristate "Hardware Error Device" |
| 383 | help |
| 384 | This driver supports the Hardware Error Device (PNP0C33), |
| 385 | which is used to report some hardware errors notified via |
| 386 | SCI, mainly the corrected errors. |
| 387 | |
Huang Ying | a643ce2 | 2010-05-18 14:35:12 +0800 | [diff] [blame] | 388 | source "drivers/acpi/apei/Kconfig" |
| 389 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | endif # ACPI |