Lines Matching +full:system +full:- +full:firmware
1 # SPDX-License-Identifier: GPL-2.0
19 Linux requires an ACPI-compliant platform (hardware/firmware),
20 and assumes the presence of OS-directed configuration and power
26 the Plug-and-Play BIOS specification (PnP BIOS), the
36 ACPI is an open industry specification originally co-developed by
37 Hewlett-Packard, Intel, Microsoft, Phoenix, and Toshiba. Currently,
72 Enable in-kernel debugging of AML facilities: statistics,
97 bool "ACPI Firmware Performance Data Table (FPDT) support"
100 Enable support for the Firmware Performance Data Table (FPDT).
101 This table provides information on the timing of the system
102 boot, S3 suspend and S3 resume firmware code paths.
120 The platform firmware on some systems expects Linux to return "5" as
121 the supported ACPI revision which makes it expose system configuration
130 This option enables a DMI-based quirk for the above Dell machine (so
131 that HDA audio is exposed by the platform firmware to the kernel) and
142 have to power off your system, and remove the laptop battery for
150 and can be used to identify ACPI code or EC firmware bugs.
158 whether a system is on AC or not. If you have a system that can
170 /proc/acpi/battery. If you have a mobile system with a battery,
183 performs user-defined actions such as shutting down the system.
184 This is necessary for software-controlled poweroff.
234 This driver supports ACPI fan devices, allowing user-mode
245 Time Clock (RTC). Its wake timers allow the system to transition from
256 This driver supports ACPI-controlled docking stations and removable
284 If your platform does not support CPPC in firmware,
296 by several flavors of cpufreq performance-state, thermal, throttling and
374 See Documentation/admin-guide/acpi/initrd_table_override.rst for details
377 bool "Override ACPI tables from built-in initrd"
382 from built-in uncompressed initrd.
384 See Documentation/admin-guide/acpi/initrd_table_override.rst for details
392 Use the acpi.debug_layer and acpi.debug_level kernel command-line
393 parameters documented in Documentation/firmware-guide/acpi/debug.rst and
394 Documentation/admin-guide/kernel-parameters.rst to control the type and
402 slots in the system. This can help correlate PCI bus addresses,
404 the system. If you are unsure, say N.
424 If your hardware and firmware do not support adding or
435 tristate "Smart Battery System"
439 This driver supports the Smart Battery System, another
457 replaced without rebooting the system. For details refer to:
458 Documentation/firmware-guide/acpi/method-customizing.rst.
471 Resource Table, which allows the operating system to obtain
472 data from the firmware boot splash. It will appear under
473 /sys/firmware/acpi/bgrt/ .
476 bool "Hardware-reduced ACPI support only" if EXPERT
505 widely from one processor to another, system software cannot
510 Enhanced MCA Logging allows firmware to provide additional error
511 information to system software, synchronous with MCE or CMCI. This
527 tristate "ACPI Platform Firmware Runtime Update and Telemetry"
530 This mechanism allows certain pieces of the platform firmware
531 to be updated on the fly while the system is running (runtime)
533 the system needs to be available 100% of the time and it cannot
535 carried out by the system is particularly important, so it cannot
538 The existing firmware code can be modified (driver update) or
539 extended by adding new code to the firmware (code injection).
542 data from the firmware with the help of the Platform Firmware Runtime
570 Space handler to handle PCC OpRegion in the firmware.
580 Space handler to handle FFH OpRegion in the firmware.
592 Platform Runtime Mechanism (PRM) is a firmware interface exposing a
609 The Power Management Timer is available on all ACPI-capable,