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
151 have to power off your system, and remove the laptop battery for
159 and can be used to identify ACPI code or EC firmware bugs.
167 whether a system is on AC or not. If you have a system that can
179 /proc/acpi/battery. If you have a mobile system with a battery,
192 performs user-defined actions such as shutting down the system.
193 This is necessary for software-controlled poweroff.
243 This driver supports ACPI fan devices, allowing user-mode
254 Time Clock (RTC). Its wake timers allow the system to transition from
265 This driver supports ACPI-controlled docking stations and removable
293 If your platform does not support CPPC in firmware,
305 by several flavors of cpufreq performance-state, thermal, throttling and
383 See Documentation/admin-guide/acpi/initrd_table_override.rst for details
386 bool "Override ACPI tables from built-in initrd"
391 from built-in uncompressed initrd.
393 See Documentation/admin-guide/acpi/initrd_table_override.rst for details
401 Use the acpi.debug_layer and acpi.debug_level kernel command-line
402 parameters documented in Documentation/firmware-guide/acpi/debug.rst and
403 Documentation/admin-guide/kernel-parameters.rst to control the type and
411 slots in the system. This can help correlate PCI bus addresses,
413 the system. If you are unsure, say N.
433 If your hardware and firmware do not support adding or
444 tristate "Smart Battery System"
448 This driver supports the Smart Battery System, another
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
502 widely from one processor to another, system software cannot
507 Enhanced MCA Logging allows firmware to provide additional error
508 information to system software, synchronous with MCE or CMCI. This
524 tristate "ACPI Platform Firmware Runtime Update and Telemetry"
527 This mechanism allows certain pieces of the platform firmware
528 to be updated on the fly while the system is running (runtime)
530 the system needs to be available 100% of the time and it cannot
532 carried out by the system is particularly important, so it cannot
535 The existing firmware code can be modified (driver update) or
536 extended by adding new code to the firmware (code injection).
539 data from the firmware with the help of the Platform Firmware Runtime
567 Space handler to handle PCC OpRegion in the firmware.
577 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,