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/linux-6.14.4/include/sound/
Dsoc-acpi.h1 /* SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013-15, Intel Corporation
10 #include <linux/acpi.h>
22 /* codec name is used in DAIs is i2c-<HID>:00 with HID being 8 chars */
26 /* acpi match */
37 /* acpi match */
61 * @acpi_ipc_irq_index: used for BYT-CR detection
64 * @dmic_num: number of SoC- or chipset-attached PDM digital microphones
95 * snd_soc_acpi_endpoint - endpoint descriptor
98 * @group_position: zero-based order (only when @aggregated is 1)
[all …]
/linux-6.14.4/drivers/hid/i2c-hid/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
10 tristate "HID over I2C transport layer ACPI driver"
11 depends on ACPI
16 other HID based devices which is connected to your computer via I2C.
17 This driver supports ACPI-based systems.
22 will be called i2c-hid-acpi. It will also build/depend on the
23 module i2c-hid.
28 # (board-file) instantiated "hid-over-i2c" type i2c-clients.
33 other HID based devices which is connected to your computer via I2C.
34 This driver supports Open Firmware (Device Tree)-based systems as
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/linux-6.14.4/drivers/platform/x86/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
12 x86 platforms, including vendor-specific laptop extension drivers.
21 depends on ACPI
23 This driver adds support for the ACPI-WMI (Windows Management
26 ACPI-WMI is a proprietary extension to ACPI to expose parts of the
27 ACPI firmware to userspace - this is done through various vendor
38 any ACPI-WMI devices.
45 Say Y here if you want to be able to read a firmware-embedded
50 be called wmi-bmof.
63 control, fn-lock, mic-mute LED, and other extra features.
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/linux-6.14.4/drivers/platform/x86/dell/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
10 Dell x86 platforms, including vendor-specific laptop extension drivers.
20 depends on ACPI
29 USB MCU such as the X51 and X51-R2.
41 See <file:Documentation/userspace-api/dcdbas.rst> for more details on the driver
77 See <file:Documentation/admin-guide/dell_rbu.rst> for more details on the driver.
82 depends on ACPI
86 Say Y here if you want to support Dell Airplane Mode Switch ACPI
94 be called dell-rbtn.
99 depends on ACPI
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/linux-6.14.4/tools/power/cpupower/debug/kernel/
Dcpufreq-test_tsc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * test module to check whether the TSC-based delay routine continues
4 * to work properly after cpufreq transitions. Needs ACPI to work
7 * Based partly on the Power Management Timer (PMTMR) code to be found
20 * TSC-based delay routine on the Linux kernel does not correctly
22 * linux-[email protected]
29 #include <linux/acpi.h>
34 /*helper function to safely read acpi pm timesource*/
39 * chipsets (ICH4, PIIX4 and PIIX4E) where the ACPI PM time in read_pmtmr()
60 /* the following code snipped is copied from arch/x86/kernel/acpi/boot.c in cpufreq_test_tsc()
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/linux-6.14.4/drivers/platform/x86/amd/hsmp/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
13 tristate "AMD HSMP ACPI device driver"
14 depends on ACPI
23 This option supports ACPI based probing.
24 You may enable this, if your platform BIOS provides an ACPI object
40 This option supports platform device based probing.
42 HSMP ACPI object.
/linux-6.14.4/sound/soc/amd/acp/
DKconfig1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
13 This option enables common modules for Audio-Coprocessor i.e. ACP
18 select SND_SOC_ACPI if ACPI
33 select SND_SOC_ACPI if ACPI
38 depends on ACPI
45 depends on ACPI
56 depends on ACPI
70 depends on ACPI
83 depends on ACPI
130 depends on X86 && PCI && ACPI
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/linux-6.14.4/drivers/thunderbolt/
Dacpi.c1 // SPDX-License-Identifier: GPL-2.0
3 * ACPI support
9 #include <linux/acpi.h>
26 fwnode = fwnode_find_reference(acpi_fwnode_handle(adev), "usb4-host-interface", 0); in tb_acpi_add_link()
31 if (dev_fwnode(&nhi->pdev->dev) != fwnode) in tb_acpi_add_link()
58 pm_runtime_get_sync(&pdev->dev); in tb_acpi_add_link()
60 link = device_link_add(&pdev->dev, &nhi->pdev->dev, in tb_acpi_add_link()
65 dev_dbg(&nhi->pdev->dev, "created link from %s\n", in tb_acpi_add_link()
66 dev_name(&pdev->dev)); in tb_acpi_add_link()
69 dev_warn(&nhi->pdev->dev, "device link creation from %s failed\n", in tb_acpi_add_link()
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/linux-6.14.4/drivers/perf/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
17 If compiled as a module, it will be called arm-cci.
20 bool "support CCI-400"
25 CCI-400 provides 4 independent event counters counting events related
29 bool "support CCI-500/CCI-550"
33 CCI-500/CCI-550 both provide 8 independent event counters, which can
45 tristate "Arm CMN-600 PMU support"
48 Support for PMU events monitoring on the Arm CMN-600 Coherent Mesh
52 tristate "Arm NI-700 PMU support"
55 Support for PMU events monitoring on the Arm NI-700 Network-on-Chip
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/linux-6.14.4/Documentation/driver-api/acpi/
Dscan_handlers.rst1 .. SPDX-License-Identifier: GPL-2.0
5 ACPI Scan Handlers
12 During system initialization and ACPI-based device hot-add, the ACPI namespace
15 registered with the driver core for every device object in the ACPI namespace
23 During ACPI-based device hot-remove device nodes representing pieces of hardware
26 The core ACPI namespace scanning code in drivers/acpi/scan.c carries out basic
39 called ACPI scan handlers represented by the following structure::
49 take care of, list_node is the hook to the global list of ACPI scan handlers
50 maintained by the ACPI core and the .attach() and .detach() callbacks are
76 ACPI scan handlers can be added to the list maintained by the ACPI core with the
/linux-6.14.4/sound/soc/sof/amd/
DKconfig1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
27 select SND_SOC_ACPI if ACPI
29 This option is not user-selectable but automatically handled by
62 This option is not user-selectable but automatically handled by
67 select SND_AMD_SOUNDWIRE_ACPI if ACPI
70 tristate "SOF support for SoundWire based AMD platforms"
73 depends on ACPI
88 AMD ACP6.3 version based platforms.
89 Say Y if you want to enable SOF on ACP6.3 based platform.
98 AMD ACP7.0 version based platforms.
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/linux-6.14.4/drivers/extcon/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
11 host USB ports. Many of 30-pin connectors including PDMI are
22 Say Y here to enable extcon device driver based on ADC values.
25 tristate "X-Power AXP288 EXTCON support"
26 depends on MFD_AXP20X && USB_SUPPORT && X86 && ACPI && IOSF_MBI
30 and USB MUX switching by X-Power AXP288 PMIC.
48 Say Y here to enable GPIO based extcon support. Note that GPIO
52 tristate "Intel INT3496 ACPI device extcon driver"
53 depends on GPIOLIB && ACPI && (X86 || COMPILE_TEST)
56 an Intel INT3496 ACPI device.
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/linux-6.14.4/drivers/dma/
Dacpi-dma.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ACPI helpers for DMA request / controller
5 * Based on of-dma.c
12 #include <linux/acpi.h>
15 #include <linux/dma-mapping.h>
32 * acpi_dma_parse_resource_group - match device and parse resource group
34 * @adev: ACPI device to match with
53 if (grp->shared_info_length != sizeof(struct acpi_csrt_shared_info)) in acpi_dma_parse_resource_group()
54 return -ENODEV; in acpi_dma_parse_resource_group()
62 if (resource_type(rentry->res) == IORESOURCE_MEM) in acpi_dma_parse_resource_group()
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/linux-6.14.4/Documentation/firmware-guide/acpi/
Denumeration.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ACPI Based Device Enumeration
7 ACPI 5 introduced a set of new resources (UartTSerialBus, I2cSerialBus,
12 SoC/Chipset to appear only in ACPI namespace. These are typically devices
13 that are accessed through memory-mapped registers.
15 In order to support this and re-use the existing drivers as much as
18 - Devices that have no bus connector resource are represented as
21 - Devices behind real busses where there is a connector resource
26 As both ACPI and Device Tree represent a tree of devices (and their
30 The ACPI implementation enumerates devices behind busses (platform, SPI,
[all …]
Ddebug.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ACPI CA Debug Output
7 The ACPI CA can generate debug output. This document describes how to use this
10 Compile-time configuration
13 The ACPI CA debug output is globally enabled by CONFIG_ACPI_DEBUG. If this
16 Boot- and run-time configuration
20 you're interested in. At boot-time, use the acpi.debug_layer and
21 acpi.debug_level kernel command line options. After boot, you can use the
22 debug_layer and debug_level files in /sys/module/acpi/parameters/ to control
29 specific part of the ACPI interpreter. To build the debug_layer bitmask, look
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/linux-6.14.4/drivers/acpi/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
3 # ACPI Configuration
9 menuconfig ACPI config
10 bool "ACPI (Advanced Configuration and Power Interface) Support"
18 Advanced Configuration and Power Interface (ACPI) support for
19 Linux requires an ACPI-compliant platform (hardware/firmware),
20 and assumes the presence of OS-directed configuration and power
24 Linux ACPI provides a robust functional replacement for several
26 the Plug-and-Play BIOS specification (PnP BIOS), the
28 Management (APM) specification. If both ACPI and APM support
[all …]
/linux-6.14.4/drivers/usb/typec/ucsi/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 tristate "USB Type-C Connector System Software Interface driver"
9 USB Type-C Connector System Software Interface (UCSI) is a
11 control the USB Type-C ports. On UCSI system the USB Type-C ports
14 is required. UCSI is available on most of the new Intel based systems
15 that are equipped with Embedded Controller and USB Type-C ports.
18 on the platform, ACPI, PCI, I2C, etc. may be used. Therefore this
23 https://www.intel.com/content/www/us/en/io/universal-serial-bus/usb-type-c-ucsi-spec.html
35 Cypress CCGx Type-C controller over I2C interface.
41 tristate "UCSI ACPI Interface Driver"
[all …]
/linux-6.14.4/drivers/hwtracing/intel_th/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
25 support glue layer for PCI-based Intel TH.
30 tristate "Intel(R) Trace Hub ACPI controller"
31 depends on ACPI
33 Intel(R) Trace Hub may exist as an ACPI device. This option enables
34 support glue layer for ACPI-based Intel TH. This typically implies
39 Say Y here to enable ACPI Intel TH support.
/linux-6.14.4/drivers/usb/core/
Dusb-acpi.c1 // SPDX-License-Identifier: GPL-2.0
3 * USB-ACPI glue code
12 #include <linux/acpi.h>
19 * usb_acpi_power_manageable - check whether usb port has
20 * acpi power resource.
22 * @index: port index based zero
24 * Return true if the port has acpi power resource and false if no.
40 #define UUID_USB_CONTROLLER_DSM "ce2ee385-00e6-48cb-9f05-2edb927c4899"
44 * usb_acpi_port_lpm_incapable - check if lpm should be disabled for a port.
46 * @index: zero based port index
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/linux-6.14.4/drivers/platform/arm64/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # EC-like Drivers for aarch64 based devices.
7 bool "ARM64 Platform-Specific Device Drivers"
11 Say Y here to get to see options for platform-specific device drivers
12 for arm64 based devices, primarily EC-like device drivers.
27 Say Y here to enable the EC driver for the (Snapdragon-based)
30 and USB Type-C DP HPD events.
34 standard ACPI devices.
42 Driver for the Embedded Controller in the Qualcomm Snapdragon-based
48 standard ACPI devices.
/linux-6.14.4/drivers/platform/mellanox/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
23 This driver handles hot-plug events for the power suppliers, power
43 This driver provides support for the Mellanox MSN4800-XX line cards,
46 Centers (EDC) for building Ethernet based clusters, High-Performance
52 depends on ACPI
57 and networking based on the virtio framework.
62 depends on ACPI
76 depends on ACPI
85 depends on ACPI || COMPILE_TEST
92 serial port (RS-232 interface), an OOB port (1G/100M MDI interface)
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/linux-6.14.4/Documentation/admin-guide/pm/
Dsleep-states.rst1 .. SPDX-License-Identifier: GPL-2.0
13 Sleep states are global low-power states of the entire system in which user
28 Suspend-to-Idle
29 ---------------
31 This is a generic, pure software, light-weight variant of system suspend (also
34 I/O devices into low-power states (possibly lower-power than available in the
38 The system is woken up from this state by in-band interrupts, so theoretically
43 or :ref:`suspend-to-RAM <s2ram>`, or it can be used in addition to any of the
50 -------
58 I/O devices into low-power states, which is done for :ref:`suspend-to-idle
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/linux-6.14.4/drivers/platform/x86/intel/
Dint0002_vgpio.c1 // SPDX-License-Identifier: GPL-2.0
7 * Loosely based on android x86 kernel code which is:
18 * This is modelled in ACPI through the INT0002 ACPI device, which is
19 * called a "Virtual GPIO controller" in ACPI because it defines the event
21 * methods as would be done for a real GPIO interrupt in ACPI. Note this
23 * ACPI mechanisms, this is not a real GPIO at all.
26 * controller, letting gpiolib-acpi.c call the _L02 handler as it would
30 #include <linux/acpi.h>
60 * ACPI the get / set functions are dummy functions.
120 int0002->wake_enable_count++; in int0002_irq_set_wake()
[all …]
/linux-6.14.4/Documentation/wmi/
Ddriver-development-guide.rst1 .. SPDX-License-Identifier: GPL-2.0-or-later
8 documented at Documentation/driver-api/wmi.rst. This document will serve
11 using the deprecated GUID-based WMI interface.
14 --------------------------------
22 lswmi -V
30 The ``wmi-bmof`` driver exposes this information to userspace, see
31 Documentation/wmi/devices/wmi-bmof.rst.
37 ./bmf2mof /sys/bus/wmi/devices/05901221-D566-11D1-B2F0-00A0C9062910[-X]/bmof
39 Sometimes, looking at the disassembled ACPI tables used to describe the WMI device
40 helps in understanding how the WMI device is supposed to work. The path of the ACPI
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/linux-6.14.4/Documentation/arch/x86/
Damd_hsmp.rst1 .. SPDX-License-Identifier: GPL-2.0
7 Newer Fam19h(model 0x00-0x1f, 0x30-0x3f, 0x90-0x9f, 0xa0-0xaf),
8 Fam1Ah(model 0x00-0x1f) EPYC server line of processors from AMD support
12 OS-level software with access to system management functions via a
17 Eg: https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/programmer-references/5589…
27 for ACPI object based probing, platform device based probing and for the common
31 Kconfig option CONFIG_AMD_HSMP_ACPI compiles acpi.c and creates hsmp_acpi.ko.
35 Both the ACPI and plat drivers create the miscdevice /dev/hsmp to let
38 The ACPI object format supported by the driver is defined below.
40 $ ls -al /dev/hsmp
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