Lines Matching +full:system +full:- +full:firmware
1 # SPDX-License-Identifier: GPL-2.0
18 Linux requires an ACPI-compliant platform (hardware/firmware),
19 and assumes the presence of OS-directed configuration and power
25 the Plug-and-Play BIOS specification (PnP BIOS), the
35 ACPI is an open industry specification originally co-developed by
36 Hewlett-Packard, Intel, Microsoft, Phoenix, and Toshiba. Currently,
67 Enable in-kernel debugging of AML facilities: statistics,
92 bool "ACPI Firmware Performance Data Table (FPDT) support"
95 Enable support for the Firmware Performance Data Table (FPDT).
96 This table provides information on the timing of the system
97 boot, S3 suspend and S3 resume firmware code paths.
115 The platform firmware on some systems expects Linux to return "5" as
116 the supported ACPI revision which makes it expose system configuration
125 This option enables a DMI-based quirk for the above Dell machine (so
126 that HDA audio is exposed by the platform firmware to the kernel) and
137 have to power off your system, and remove the laptop battery for
145 and can be used to identify ACPI code or EC firmware bugs.
153 whether a system is on AC or not. If you have a system that can
165 /proc/acpi/battery. If you have a mobile system with a battery,
178 performs user-defined actions such as shutting down the system.
179 This is necessary for software-controlled poweroff.
229 This driver supports ACPI fan devices, allowing user-mode
240 Time Clock (RTC). Its wake timers allow the system to transition from
251 This driver supports ACPI-controlled docking stations and removable
279 If your platform does not support CPPC in firmware,
291 by several flavors of cpufreq performance-state, thermal, throttling and
369 See Documentation/admin-guide/acpi/initrd_table_override.rst for details
372 bool "Override ACPI tables from built-in initrd"
377 from built-in uncompressed initrd.
379 See Documentation/admin-guide/acpi/initrd_table_override.rst for details
387 Use the acpi.debug_layer and acpi.debug_level kernel command-line
388 parameters documented in Documentation/firmware-guide/acpi/debug.rst and
389 Documentation/admin-guide/kernel-parameters.rst to control the type and
397 slots in the system. This can help correlate PCI bus addresses,
399 the system. If you are unsure, say N.
419 If your hardware and firmware do not support adding or
430 tristate "Smart Battery System"
434 This driver supports the Smart Battery System, another
452 replaced without rebooting the system. For details refer to:
453 Documentation/firmware-guide/acpi/method-customizing.rst.
466 Resource Table, which allows the operating system to obtain
467 data from the firmware boot splash. It will appear under
468 /sys/firmware/acpi/bgrt/ .
471 bool "Hardware-reduced ACPI support only" if EXPERT
500 widely from one processor to another, system software cannot
505 Enhanced MCA Logging allows firmware to provide additional error
506 information to system software, synchronous with MCE or CMCI. This
522 tristate "ACPI Platform Firmware Runtime Update and Telemetry"
525 This mechanism allows certain pieces of the platform firmware
526 to be updated on the fly while the system is running (runtime)
528 the system needs to be available 100% of the time and it cannot
530 carried out by the system is particularly important, so it cannot
533 The existing firmware code can be modified (driver update) or
534 extended by adding new code to the firmware (code injection).
537 data from the firmware with the help of the Platform Firmware Runtime
565 Space handler to handle PCC OpRegion in the firmware.
575 Space handler to handle FFH OpRegion in the firmware.
587 Platform Runtime Mechanism (PRM) is a firmware interface exposing a
604 The Power Management Timer is available on all ACPI-capable,