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authorLinus Torvalds <torvalds@linux-foundation.org>2022-12-12 10:47:10 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2022-12-12 10:47:10 -0800
commit7a76117f9fa52afcf244d4f1b8d4ce92f3e5ef99 (patch)
treebc3240e49311b6541734e8be05c5f5a6544b8d39 /Documentation/ABI
parent01f3cbb296a9ad378167c01758c99557b5bc3208 (diff)
parentb0b698b80c56b0712f0d4346d51bf0363ba03068 (diff)
Merge tag 'platform-drivers-x86-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede: - Intel: - PMC: Add support for Meteor Lake - Intel On Demand: various updates - Ideapad-laptop: - Add support for various Fn keys on new models - Fix touchpad on/off handling in a generic way to avoid having to add more and more quirks - Android x86 tablets: - Add support for two more X86 Android tablet models - New Dell WMI DDV driver - Miscellaneous cleanups and small bugfixes * tag 'platform-drivers-x86-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (52 commits) platform/mellanox: mlxbf-pmc: Fix event typo platform/x86: intel_scu_ipc: fix possible name leak in __intel_scu_ipc_register() platform/x86: sony-laptop: Convert to use sysfs_emit_at() API platform/x86/dell: alienware-wmi: Use sysfs_emit() instead of scnprintf() platform/x86: uv_sysfs: Use sysfs_emit() instead of scnprintf() platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]() platform/x86: x86-android-tablets: Add Advantech MICA-071 extra button platform/x86: x86-android-tablets: Add Lenovo Yoga Tab 3 (YT3-X90F) charger + fuel-gauge data platform/x86: x86-android-tablets: Add Medion Lifetab S10346 data platform/x86: wireless-hotkey: use ACPI HID as phys platform/x86/intel/hid: Add module-params for 5 button array + SW_TABLET_MODE reporting platform/x86: ideapad-laptop: Make touchpad_ctrl_via_ec a module option platform/x86: ideapad-laptop: Stop writing VPCCMD_W_TOUCHPAD at probe time platform/x86: ideapad-laptop: Send KEY_TOUCHPAD_TOGGLE on some models platform/x86: ideapad-laptop: Only toggle ps2 aux port on/off on select models platform/x86: ideapad-laptop: Do not send KEY_TOUCHPAD* events on probe / resume platform/x86: ideapad-laptop: Refactor ideapad_sync_touchpad_state() tools/arch/x86: intel_sdsi: Add support for reading meter certificates tools/arch/x86: intel_sdsi: Add support for new GUID tools/arch/x86: intel_sdsi: Read more On Demand registers ...
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/debugfs-dell-wmi-ddv21
-rw-r--r--Documentation/ABI/testing/sysfs-driver-intel_sdsi47
-rw-r--r--Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv7
3 files changed, 57 insertions, 18 deletions
diff --git a/Documentation/ABI/testing/debugfs-dell-wmi-ddv b/Documentation/ABI/testing/debugfs-dell-wmi-ddv
new file mode 100644
index 000000000000..fbcc5d6f7388
--- /dev/null
+++ b/Documentation/ABI/testing/debugfs-dell-wmi-ddv
@@ -0,0 +1,21 @@
+What: /sys/kernel/debug/dell-wmi-ddv-<wmi_device_name>/fan_sensor_information
+Date: September 2022
+KernelVersion: 6.1
+Contact: Armin Wolf <W_Armin@gmx.de>
+Description:
+ This file contains the contents of the fan sensor information buffer,
+ which contains fan sensor entries and a terminating character (0xFF).
+
+ Each fan sensor entry consists of three bytes with an unknown meaning,
+ interested people may use this file for reverse-engineering.
+
+What: /sys/kernel/debug/dell-wmi-ddv-<wmi_device_name>/thermal_sensor_information
+Date: September 2022
+KernelVersion: 6.1
+Contact: Armin Wolf <W_Armin@gmx.de>
+Description:
+ This file contains the contents of the thermal sensor information buffer,
+ which contains thermal sensor entries and a terminating character (0xFF).
+
+ Each thermal sensor entry consists of five bytes with an unknown meaning,
+ interested people may use this file for reverse-engineering.
diff --git a/Documentation/ABI/testing/sysfs-driver-intel_sdsi b/Documentation/ABI/testing/sysfs-driver-intel_sdsi
index 96b92c105ec4..f8afed127107 100644
--- a/Documentation/ABI/testing/sysfs-driver-intel_sdsi
+++ b/Documentation/ABI/testing/sysfs-driver-intel_sdsi
@@ -4,21 +4,21 @@ KernelVersion: 5.18
Contact: "David E. Box" <david.e.box@linux.intel.com>
Description:
This directory contains interface files for accessing Intel
- Software Defined Silicon (SDSi) features on a CPU. X
- represents the socket instance (though not the socket ID).
- The socket ID is determined by reading the registers file
- and decoding it per the specification.
+ On Demand (formerly Software Defined Silicon or SDSi) features
+ on a CPU. X represents the socket instance (though not the
+ socket ID). The socket ID is determined by reading the
+ registers file and decoding it per the specification.
- Some files communicate with SDSi hardware through a mailbox.
- Should the operation fail, one of the following error codes
- may be returned:
+ Some files communicate with On Demand hardware through a
+ mailbox. Should the operation fail, one of the following error
+ codes may be returned:
========== =====
Error Code Cause
========== =====
EIO General mailbox failure. Log may indicate cause.
EBUSY Mailbox is owned by another agent.
- EPERM SDSI capability is not enabled in hardware.
+ EPERM On Demand capability is not enabled in hardware.
EPROTO Failure in mailbox protocol detected by driver.
See log for details.
EOVERFLOW For provision commands, the size of the data
@@ -54,8 +54,8 @@ KernelVersion: 5.18
Contact: "David E. Box" <david.e.box@linux.intel.com>
Description:
(WO) Used to write an Authentication Key Certificate (AKC) to
- the SDSi NVRAM for the CPU. The AKC is used to authenticate a
- Capability Activation Payload. Mailbox command.
+ the On Demand NVRAM for the CPU. The AKC is used to authenticate
+ a Capability Activation Payload. Mailbox command.
What: /sys/bus/auxiliary/devices/intel_vsec.sdsi.X/provision_cap
Date: Feb 2022
@@ -63,17 +63,28 @@ KernelVersion: 5.18
Contact: "David E. Box" <david.e.box@linux.intel.com>
Description:
(WO) Used to write a Capability Activation Payload (CAP) to the
- SDSi NVRAM for the CPU. CAPs are used to activate a given CPU
- feature. A CAP is validated by SDSi hardware using a previously
- provisioned AKC file. Upon successful authentication, the CPU
- configuration is updated. A cold reboot is required to fully
- activate the feature. Mailbox command.
+ On Demand NVRAM for the CPU. CAPs are used to activate a given
+ CPU feature. A CAP is validated by On Demand hardware using a
+ previously provisioned AKC file. Upon successful authentication,
+ the CPU configuration is updated. A cold reboot is required to
+ fully activate the feature. Mailbox command.
+
+What: /sys/bus/auxiliary/devices/intel_vsec.sdsi.X/meter_certificate
+Date: Nov 2022
+KernelVersion: 6.2
+Contact: "David E. Box" <david.e.box@linux.intel.com>
+Description:
+ (RO) Used to read back the current meter certificate for the CPU
+ from Intel On Demand hardware. The meter certificate contains
+ utilization metrics of On Demand enabled features. Mailbox
+ command.
What: /sys/bus/auxiliary/devices/intel_vsec.sdsi.X/state_certificate
Date: Feb 2022
KernelVersion: 5.18
Contact: "David E. Box" <david.e.box@linux.intel.com>
Description:
- (RO) Used to read back the current State Certificate for the CPU
- from SDSi hardware. The State Certificate contains information
- about the current licenses on the CPU. Mailbox command.
+ (RO) Used to read back the current state certificate for the CPU
+ from On Demand hardware. The state certificate contains
+ information about the current licenses on the CPU. Mailbox
+ command.
diff --git a/Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv b/Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv
new file mode 100644
index 000000000000..1d97ad615c66
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv
@@ -0,0 +1,7 @@
+What: /sys/class/power_supply/<battery_name>/eppid
+Date: September 2022
+KernelVersion: 6.1
+Contact: Armin Wolf <W_Armin@gmx.de>
+Description:
+ Reports the Dell ePPID (electronic Dell Piece Part Identification)
+ of the ACPI battery.