diff options
author | Linus Torvalds | 2017-11-18 10:26:57 -0800 |
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committer | Linus Torvalds | 2017-11-18 10:26:57 -0800 |
commit | 07c455ee222f3ad219c2835d05a175a326a138fb (patch) | |
tree | c3fdcd89a4fe87877963162de8bc428bb265bb8e /Documentation/ABI | |
parent | 1deab8ce2c91e3b16563b7a7ea150f82334262ec (diff) | |
parent | aaa40965d2342137d756121993c395e2a7463a8d (diff) |
Merge tag 'platform-drivers-x86-v4.15-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
"Here is the collected material against Platform Drivers x86 subsystem.
It's rather bit busy cycle for PDx86, mostly due to Dell SMBIOS driver
activity
For this cycle we have quite an update for the Dell SMBIOS driver
including WMI work to provide an interface for SMBIOS tokens via sysfs
and WMI support for 2017+ Dell laptop models. SMM dispatcher code is
split into a separate driver followed by a new WMI dispatcher. The
latter provides a character device interface to user space.
The git history also contains a merge of immutable branch from Wolfram
Sang in order to apply a dependent fix to the Intel CherryTrail
Battery Management driver.
Other Intel drivers got a lot of cleanups. The Turbo Boost Max 3.0
support is added for Intel Skylake.
Peaq WMI hotkeys driver gets its own maintainer and white list of
supported models.
Silead DMI is expanded to support few additional platforms.
Tablet mode via GMMS ACPI method is added to support some ThinkPad
tablets.
new driver:
- Add driver to force WMI Thunderbolt controller power status
asus-wmi:
- Add lightbar led support
dell-laptop:
- Allocate buffer before rfkill use
dell-smbios:
- fix string overflow
- Add filtering support
- Introduce dispatcher for SMM calls
- Add a sysfs interface for SMBIOS tokens
- only run if proper oem string is detected
- Prefix class/select with cmd_
- Add pr_fmt definition to driver
dell-smbios-smm:
- test for WSMT
dell-smbios-wmi:
- release mutex lock on WMI call failure
- introduce userspace interface
- Add new WMI dispatcher driver
dell-smo8800:
- remove redundant assignments to byte_data
dell-wmi:
- don't check length returned
- clean up wmi descriptor check
- increase severity of some failures
- Do not match on descriptor GUID modalias
- Label driver as handling notifications
dell-*wmi*:
- Relay failed initial probe to dependent drivers
dell-wmi-descriptor:
- check if memory was allocated
- split WMI descriptor into it's own driver
fujitsu-laptop:
- Fix radio LED detection
- Don't oops when FUJ02E3 is not presnt
hp_accel:
- Add quirk for HP ProBook 440 G4
hp-wmi:
- Fix tablet mode detection for convertibles
ideapad-laptop:
- Add Lenovo Yoga 920-13IKB to no_hw_rfkill dmi list
intel_cht_int33fe:
- Update fusb302 type string, add properties
- make a couple of local functions static
- Work around BIOS bug on some devices
intel-hid:
- Power button suspend on Dell Latitude 7275
intel_ips:
- Convert timers to use timer_setup()
- Remove FSF address from GPL notice
- Remove unneeded fields and label
- Keep pointer to struct device
- Use PCI_VDEVICE() macro
- Switch to new PCI IRQ allocation API
- Simplify error handling via devres API
intel_pmc_ipc:
- Revert Use MFD framework to create dependent devices
- Use MFD framework to create dependent devices
- Use spin_lock to protect GCR updates
- Use devm_* calls in driver probe function
intel_punit_ipc:
- Fix resource ioremap warning
intel_telemetry:
- Remove useless default in Kconfig
- Add needed inclusion
- cleanup redundant headers
- Fix typos
- Fix load failure info
intel_telemetry_debugfs:
- Use standard ARRAY_SIZE() macro
intel_turbo_max_3:
- Add Skylake platform
intel-wmi-thunderbolt:
- Silence error cases
mlx-platform:
- make a couple of structures static
peaq_wmi:
- Fix missing terminating entry for peaq_dmi_table
peaq-wmi:
- Remove unnecessary checks from peaq_wmi_exit
- Add DMI check before binding to the WMI interface
- Revert Blacklist Lenovo ideapad 700-15ISK
- Blacklist Lenovo ideapad 700-15ISK
silead_dmi:
- Add silead, home-button property to some tablets
- Add entry for the Digma e200 tablet
- Fix GP-electronic T701 entry
- Add entry for the Chuwi Hi8 Pro tablet
sony-laptop:
- Drop variable assignment in sony_nc_setup_rfkill()
- Fix error handling in sony_nc_setup_rfkill()
thinkpad_acpi:
- Implement tablet mode using GMMS method
tools/wmi:
- add a sample for dell smbios communication over WMI
wmi:
- release mutex on module acquistion failure
- create userspace interface for drivers
- Don't allow drivers to get each other's GUIDs
- Add new method wmidev_evaluate_method
- Destroy on cleanup rather than unregister
- Cleanup exit routine in reverse order of init
- Sort include list"
* tag 'platform-drivers-x86-v4.15-1' of git://git.infradead.org/linux-platform-drivers-x86: (74 commits)
platform/x86: silead_dmi: Add silead, home-button property to some tablets
platform/x86: dell-laptop: Allocate buffer before rfkill use
platform/x86: dell-*wmi*: Relay failed initial probe to dependent drivers
platform/x86: dell-wmi-descriptor: check if memory was allocated
platform/x86: Revert intel_pmc_ipc: Use MFD framework to create dependent devices
platform/x86: dell-smbios-wmi: release mutex lock on WMI call failure
platform/x86: wmi: release mutex on module acquistion failure
platform/x86: dell-smbios: fix string overflow
platform/x86: intel_pmc_ipc: Use MFD framework to create dependent devices
platform/x86: intel_punit_ipc: Fix resource ioremap warning
platform/x86: dell-smo8800: remove redundant assignments to byte_data
platform/x86: hp-wmi: Fix tablet mode detection for convertibles
platform/x86: intel_ips: Convert timers to use timer_setup()
platform/x86: sony-laptop: Drop variable assignment in sony_nc_setup_rfkill()
platform/x86: sony-laptop: Fix error handling in sony_nc_setup_rfkill()
tools/wmi: add a sample for dell smbios communication over WMI
platform/x86: dell-smbios-wmi: introduce userspace interface
platform/x86: wmi: create userspace interface for drivers
platform/x86: dell-smbios: Add filtering support
platform/x86: dell-smbios-smm: test for WSMT
...
Diffstat (limited to 'Documentation/ABI')
-rw-r--r-- | Documentation/ABI/testing/dell-smbios-wmi | 41 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-platform-dell-smbios | 21 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-platform-intel-wmi-thunderbolt | 11 |
3 files changed, 73 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/dell-smbios-wmi b/Documentation/ABI/testing/dell-smbios-wmi new file mode 100644 index 000000000000..fc919ce16008 --- /dev/null +++ b/Documentation/ABI/testing/dell-smbios-wmi @@ -0,0 +1,41 @@ +What: /dev/wmi/dell-smbios +Date: November 2017 +KernelVersion: 4.15 +Contact: "Mario Limonciello" <mario.limonciello@dell.com> +Description: + Perform SMBIOS calls on supported Dell machines. + through the Dell ACPI-WMI interface. + + IOCTL's and buffer formats are defined in: + <uapi/linux/wmi.h> + + 1) To perform an SMBIOS call from userspace, you'll need to + first determine the minimum size of the calling interface + buffer for your machine. + Platforms that contain larger buffers can return larger + objects from the system firmware. + Commonly this size is either 4k or 32k. + + To determine the size of the buffer read() a u64 dword from + the WMI character device /dev/wmi/dell-smbios. + + 2) After you've determined the minimum size of the calling + interface buffer, you can allocate a structure that represents + the structure documented above. + + 3) In the 'length' object store the size of the buffer you + determined above and allocated. + + 4) In this buffer object, prepare as necessary for the SMBIOS + call you're interested in. Typically SMBIOS buffers have + "class", "select", and "input" defined to values that coincide + with the data you are interested in. + Documenting class/select/input values is outside of the scope + of this documentation. Check with the libsmbios project for + further documentation on these values. + + 6) Run the call by using ioctl() as described in the header. + + 7) The output will be returned in the buffer object. + + 8) Be sure to free up your allocated object. diff --git a/Documentation/ABI/testing/sysfs-platform-dell-smbios b/Documentation/ABI/testing/sysfs-platform-dell-smbios new file mode 100644 index 000000000000..205d3b6361e0 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-dell-smbios @@ -0,0 +1,21 @@ +What: /sys/devices/platform/<platform>/tokens/* +Date: November 2017 +KernelVersion: 4.15 +Contact: "Mario Limonciello" <mario.limonciello@dell.com> +Description: + A read-only description of Dell platform tokens + available on the machine. + + Each token attribute is available as a pair of + sysfs attributes readable by a process with + CAP_SYS_ADMIN. + + For example the token ID "5" would be available + as the following attributes: + + 0005_location + 0005_value + + Tokens will vary from machine to machine, and + only tokens available on that machine will be + displayed. diff --git a/Documentation/ABI/testing/sysfs-platform-intel-wmi-thunderbolt b/Documentation/ABI/testing/sysfs-platform-intel-wmi-thunderbolt new file mode 100644 index 000000000000..8af65059d519 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-intel-wmi-thunderbolt @@ -0,0 +1,11 @@ +What: /sys/devices/platform/<platform>/force_power +Date: September 2017 +KernelVersion: 4.15 +Contact: "Mario Limonciello" <mario.limonciello@dell.com> +Description: + Modify the platform force power state, influencing + Thunderbolt controllers to turn on or off when no + devices are connected (write-only) + There are two available states: + * 0 -> Force power disabled + * 1 -> Force power enabled |