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path: root/drivers/hid
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2025-01-20Merge branch 'for-6.14/uclogic' into for-linusJiri Kosina
- minor code cleanup (Colin Ian King)
2025-01-20Merge branch 'for-6.14/steelseries' into for-linusJiri Kosina
- SteelSeries Arctis 9 support (Christian Mayer)
2025-01-20Merge branch 'for-6.14/nintendo' into for-linusJiri Kosina
- support for MD/GEN 6B controller (Ryan McClelland)
2025-01-20Merge branch 'for-6.14/lenovo' into for-linusJiri Kosina
- improved support for Thinkpad-X12-TAB-1/2 (Vishnu Sankar)
2025-01-20Merge branch 'for-6.14/intel-thc' into for-linusJiri Kosina
- newly added support for Intel Touch Host Controller (Even Xu, Xinpeng Sun)
2025-01-20Merge branch 'for-6.14/intel-ish' into for-linusJiri Kosina
- dead code removal in intel-ish-hid driver (Dr. David Alan Gilbert)
2025-01-20Merge branch 'for-6.14/core' into for-linusJiri Kosina
- hid-core fix for long-standing cornercase of Resolution Multiplier not being present in any of the Logical Collections in the device HID report descriptor (Alan Stern)
2025-01-20Merge branch 'for-6.14/constify-bin-attribute' into for-linusJiri Kosina
- constification of 'struct bin_attribute' in various HID driver (Thomas Weißschuh)
2025-01-18HID: amd_sfh: Use always-managed version of pcim_intx()Philipp Stanner
pci_intx() is a hybrid function which can sometimes be managed through devres. To remove this hybrid nature from pci_intx(), it is necessary to port users to either an always-managed or a never-managed version. All users of amd_mp2_pci_remove(), where pci_intx() is used, call pcim_enable_device(), which is why the driver needs the always-managed version. Replace pci_intx() with pcim_intx(). Link: https://lore.kernel.org/r/20241209130632.132074-12-pstanner@redhat.com Signed-off-by: Philipp Stanner <pstanner@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
2025-01-16HID: hid-asus: Disable OOBE mode on the ProArt P16Luke D. Jones
The new ASUS ProArt 16" laptop series come with their keyboards stuck in an Out-Of-Box-Experience mode. While in this mode most functions will not work such as LED control or Fn key combos. The correct init sequence is now done to disable this OOBE. This patch addresses only the ProArt series so far and it is unknown if there may be others, in which case a new quirk may be required. Signed-off-by: Luke D. Jones <luke@ljones.dev> Co-developed-by: Connor Belli <connorbelli2003@gmail.com> Signed-off-by: Connor Belli <connorbelli2003@gmail.com> Tested-by: Jan Schmidt <jan@centricular.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-16HID: steelseries: remove unnecessary returnChristian Mayer
Remove unnecessary return in a void function. Signed-off-by: Christian Mayer <git@mayer-bgk.de> Reviewed-by: Bastien Nocera <hadess@hadess.net> Tested-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-16HID: steelseries: export model and manufacturerChristian Mayer
Export model and manufacturer with the power supply properties. This helps identifing the device in the battery overview. In the case of the Arctis 9 headset, the manufacturer is prefixed twice in the device name. Signed-off-by: Christian Mayer <git@mayer-bgk.de> Reviewed-by: Bastien Nocera <hadess@hadess.net> Tested-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-16HID: steelseries: export charging state for the SteelSeries Arctis 9 headsetChristian Mayer
The Arctis 9 headset provides the information if the power cable is plugged in and charging via the battery report. This information can be exported. Signed-off-by: Christian Mayer <git@mayer-bgk.de> Reviewed-by: Bastien Nocera <hadess@hadess.net> Tested-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-16HID: steelseries: add SteelSeries Arctis 9 supportChristian Mayer
Add support for the SteelSeries Arctis 9 headset. This driver will export the battery information like it already does for the Arcits 1 headset. Signed-off-by: Christian Mayer <git@mayer-bgk.de> Reviewed-by: Bastien Nocera <hadess@hadess.net> Tested-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-16HID: steelseries: preparation for adding SteelSeries Arctis 9 supportChristian Mayer
Refactor code and add calls to hid_hw_open/hid_hw_closed in preparation for adding support for the SteelSeries Arctis 9 headset. Signed-off-by: Christian Mayer <git@mayer-bgk.de> Reviewed-by: Bastien Nocera <hadess@hadess.net> Tested-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-14HID: intel-thc-hid: fix build errors in um modeEven Xu
Add dependency to ACPI to avoid acpi APIs missing in um mode. Signed-off-by: Even Xu <even.xu@intel.com> Suggested-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202501131826.sX2DubPG-lkp@intel.com Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-13HID: intel-thc-hid: intel-quicki2c: fix potential memory corruptionEven Xu
Use U32 to get value from ACPI and explicitly cast to U16. Fixes: 5282e45ccbfa ("HID: intel-thc-hid: intel-quicki2c: Add THC QuickI2C ACPI interfaces") Signed-off-by: Even Xu <even.xu@intel.com> Link: https://patch.msgid.link/20250113085047.2100403-1-even.xu@intel.com Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
2025-01-13HID: intel-thc-hid: intel-thc: Fix error code in thc_i2c_subip_init()Dan Carpenter
Return -ENOMEM if the allocation fails. Don't return success. Fixes: 4228966def88 ("HID: intel-thc-hid: intel-thc: Add THC I2C config interfaces") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://patch.msgid.link/eb4ea363-c3b7-4988-9ff5-5ed74bf47620@stanley.mountain Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
2025-01-10HID: lenovo: Fix undefined platform_profile_cycle in ThinkPad X12 keyboard patchVishnu Sankar
The commit "HID: lenovo: Support for ThinkPad-X12-TAB-1/2 Kbd Fn keys" introduced an issue where the CI failed with the following error: ERROR: modpost: "platform_profile_cycle" [drivers/hid/hid-lenovo.ko] undefined! This issue occurs because platform_profile_cycle is used without ensuring the kernel is configured with CONFIG_ACPI_PLATFORM_PROFILE. To address this, this patch adds conditional support for platform profile management to the Fn+F8 key handling. The functionality for platform_profile_cycle is now included only when CONFIG_ACPI_PLATFORM_PROFILE is enabled in the kernel configuration. This ensures compatibility with kernels that do not include the ACPI platform profile feature, resolving the CI build issue. Signed-off-by: Vishnu Sankar <vishnuocv@gmail.com> Signed-off-by: Vishnu Sankar <vsankar@lenovo.com> Suggested-by: Benjamin Tissoires <bentiss@kernel.org> Suggested-by: Jiri Kosina <jikos@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: amd_sfh: Add support to export device operating statesBasavaraj Natikar
Add support to export device operating states, such as laptop placement, platform types and propagate this data to AMD PMF driver for use in actions. To retrieve the device operating states data, SRA sensor support need to be enabled in AMD SFH driver. So add support to enable the SRA sensor. Also, remove explicit assignments to sensor_index enum. Co-developed-by: Akshata MukundShetty <akshata.mukundshetty@amd.com> Signed-off-by: Akshata MukundShetty <akshata.mukundshetty@amd.com> Signed-off-by: Basavaraj Natikar <basavaraj.natikar@amd.com> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Acked-by: Jiri Kosina <jkosina@suse.com> Link: https://lore.kernel.org/r/20241217151627.757477-2-Shyam-sundar.S-k@amd.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-09HID: uclogic: make const read-only array touch_ring_model_params_buf staticColin Ian King
Don't populate the const read-only array touch_ring_model_params_buf on the stack at run time, instead make it static const. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: hid-steam: Make sure rumble work is canceled on removalVicki Pfau
When a force feedback command is sent from userspace, work is scheduled to pass this data to the controller without blocking userspace itself. However, in theory, this work might not be properly canceled if the controller is removed at the exact right time. This patch ensures the work is properly canceled when the device is removed. Signed-off-by: Vicki Pfau <vi@endrift.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: Wacom: Add PCI Wacom device supportEven Xu
Add PCI device ID of wacom device into driver support list. Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Tatsunosuke Tobita <tatsunosuke.tobita@wacom.com> Reviewed-by: Ping Cheng <ping.cheng@wacom.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quicki2c: Add PM implementationEven Xu
Implement THC QuickI2C driver power management callbacks. Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quicki2c: Complete THC QuickI2C driverEven Xu
Fully implement QuickI2C driver probe/remove callbacks, interrupt handler, integrate HIDI2C protocol, enumerate HID device and register HID device. Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quicki2c: Add HIDI2C protocol implementationEven Xu
Intel QuickI2C driver uses THC hardware to accelerate HID over I2C (HIDI2C) protocol flow. This patch implements all data flows described in HID over I2C protocol SPEC by using THC hardware layer APIs. HID over I2C SPEC: https://learn.microsoft.com/en-us/previous-versions/windows/hardware/design/dn642101(v=vs.85) Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quicki2c: Add THC QuickI2C ACPI interfacesEven Xu
Add functions to query QuickI2C ACPI DSM/DSD parameters and use these APIs to access all QuickI2C ACPI resources. Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quicki2c: Add THC QuickI2C driver hid layerEven Xu
Add HID Low level driver callbacks and hid probe function to register QucikI2C as a HID driver, and external touch device as a HID device. Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quicki2c: Add THC QuickI2C driver skeletonEven Xu
Create intel-quicki2c folder and add Kconfig and Makefile for THC QuickI2C driver. Add basic device structure, definitions and probe/remove functions for QuickI2C driver. Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quickspi: Add PM implementationEven Xu
Implement THC QuickSPI driver power management callbacks. Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quickspi: Complete THC QuickSPI driverXinpeng Sun
Fully implement QuickSPI driver probe/remove callbacks, interrupt handler, integrate HIDSPI protocol, enumerate HID device and register HID device. Co-developed-by: Even Xu <even.xu@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quickspi: Add HIDSPI protocol implementationEven Xu
Intel QuickSPI driver uses THC hardware to accelerate HID over SPI (HIDSPI) protocol flow. This patch implements all data flows described in HID over SPI protocol SPEC by using THC hardware layer APIs. HID over SPI SPEC: https://www.microsoft.com/download/details.aspx?id=103325 Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quickspi: Add THC QuickSPI ACPI interfacesEven Xu
Add functions to query QuickSPI ACPI DSD parameters and provide APIs for DSM method accessing. Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quickspi: Add THC QuickSPI driver hid layerEven Xu
Add HID Low level driver callbacks and hid probe function to register QucikSPI as a HID driver, and external touch device as a HID device. Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-quickspi: Add THC QuickSPI driver skeletonXinpeng Sun
Create intel-quickspi folder and add Kconfig and Makefile for THC QuickSPI driver. Add basic device structure, definitions and probe/remove functions for QuickSPI driver. Co-developed-by: Even Xu <even.xu@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-thc: Add THC I2C config interfacesEven Xu
Add I2C bus related APIs to initialize I2C sub-system parameters, such as bus speed, slave address, address bit. As I2C sub-system hasn't auto register save and restore support, provide APIs to do it manually. Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-thc: Add THC SPI config interfacesXinpeng Sun
Add SPI bus related APIs to configure SPI operation parameters, such as port type, bus frequency, bus IO mode, read/write OPcode, and slave register addresses. Co-developed-by: Even Xu <even.xu@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-thc: Add THC interrupt handlerXinpeng Sun
Add common interrupt handler to clear interrupt status and return interrupt type to caller for future handling. Co-developed-by: Even Xu <even.xu@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-thc: Add THC LTR interfacesXinpeng Sun
THC supports LTR configuration and runtimely mode switching. There are two LTR modes: Active LTR and Low Power LTR. THC hardware layer provides APIs for LTR configuration and mode switching. Co-developed-by: Even Xu <even.xu@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-thc: Add THC DMA interfacesEven Xu
As THC PIO only has 64 bytes FIFO length, THC DMAs are introduced to send/receive large data packets. THC has three types of DMA channels: Read DMA channel (RxDMA), Write DMA channel (TxDMA) and Software DMA (SWDMA). In addition to basic DMA functions, THC RxDMA also includes an auto hardware sequence which can handle external touch device's interrupt automatically without software involved. THC RxDMA channel usually is used for handling touch input reports. THC TxDMA is very similar with general IO TxDMA, and usually is used for sending command/request to exteranl touch device. THC SWDMA can perform read, write followed by read operation according to different configurations. Unlike RxDMA triggered by bus activity, SWDMA can be triggered by SW driver at any time, for example: - Retrieving an input report without interrupt - Sending command followed by reading response THC DMA operation flow includes 4 steps: 1. Allocate DMA buffers 2. Configure opcode, fill PRD table with DMA buffers, enable DMA channel 3. Wait for completion, read out DMA buffers and update buffer pointers 4. Stop DMA and release DMA buffers THC Hardware layer driver provides APIs for all above DMA Steps. Co-developed-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-thc: Add APIs for interruptXinpeng Sun
Add THC interrupt operation interfaces, such as interrupt configure, global interrupt enable/disable, external touch device GPIO interrupt quiesce and unquiesce. Co-developed-by: Even Xu <even.xu@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-thc: Add THC PIO operation APIsXinpeng Sun
THC PIO (programmed I/O) operations are very similar with general SPI/I2C read/write operation to access external slave device on the bus through internal FIFO. THC PIO operations are split into 4 steps: 1. prepare: configure hardware with correct opcode, slave address, and fill the PIO FIFO 2. start: set start bit to issue a bus send/receive 3. wait: wait for bus sending/receiving completion 4. complete: check send/receive data in FIFO and return Co-developed-by: Even Xu <even.xu@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: intel-thc: Add THC registers definitionXinpeng Sun
Add THC Hardware register definitions and descriptions. Co-developed-by: Even Xu <even.xu@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-thc-hid: Add basic THC driver skeletonXinpeng Sun
Create intel-thc-hid folder and add Kconfig and Makefile for THC drivers. Add basic THC device context structure, definitions and related initialization APIs for THC Hardware layer driver. Also initialize regmap struct for future THC registers access. Co-developed-by: Even Xu <even.xu@intel.com> Signed-off-by: Even Xu <even.xu@intel.com> Signed-off-by: Xinpeng Sun <xinpeng.sun@intel.com> Tested-by: Rui Zhang <rui1.zhang@intel.com> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-ish-hid: Remove unused ishtp_cl_get_tx_*Dr. David Alan Gilbert
ishtp_cl_get_tx_free_buffer_size() and ishtp_cl_get_tx_free_rings() were added in 2018 by commit 18c0b5467498 ("HID: intel_ish-hid: Enhance API to get ring buffer sizes") but have remained unused. Remove them. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-ish-hid: Remove unused ishtp_cl_tx_emptyDr. David Alan Gilbert
ishtp_cl_tx_empty() was added in 2018 by commit a1c40ce62fd2 ("HID: intel-ish-hid: ishtp: add helper functions for client buffer operation") but has remained unused. Remove it. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: intel-ish-hid: Remove unused ishtp_dev_state_strDr. David Alan Gilbert
ishtp_dev_state_str() was added in 2016 by commit 3703f53b99e4 ("HID: intel_ish-hid: ISH Transport layer") but has never been used. Remove it. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: core: Fix assumption that Resolution Multipliers must be in Logical ↵Alan Stern
Collections A report in 2019 by the syzbot fuzzer was found to be connected to two errors in the HID core associated with Resolution Multipliers. One of the errors was fixed by commit ea427a222d8b ("HID: core: Fix deadloop in hid_apply_multiplier."), but the other has not been fixed. This error arises because hid_apply_multipler() assumes that every Resolution Multiplier control is contained in a Logical Collection, i.e., there's no way the routine can ever set multiplier_collection to NULL. This is in spite of the fact that the function starts with a big comment saying: * "The Resolution Multiplier control must be contained in the same * Logical Collection as the control(s) to which it is to be applied. ... * If no Logical Collection is * defined, the Resolution Multiplier is associated with all * controls in the report." * HID Usage Table, v1.12, Section 4.3.1, p30 * * Thus, search from the current collection upwards until we find a * logical collection... The comment and the code overlook the possibility that none of the collections found may be a Logical Collection. The fix is to set the multiplier_collection pointer to NULL if the collection found isn't a Logical Collection. Reported-by: syzbot+ec5f884c4a135aa0dbb9@syzkaller.appspotmail.com Closes: https://lore.kernel.org/all/000000000000109c040597dc5843@google.com/ Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Cc: Peter Hutterer <peter.hutterer@who-t.net> Fixes: 5a4abb36f312 ("HID: core: process the Resolution Multiplier") Cc: stable@vger.kernel.org Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: fix generic desktop D-Pad controlsTerry Tritton
The addition of the "System Do Not Disturb" event code caused the Generic Desktop D-Pad configuration to be skipped. This commit allows both to be configured without conflicting with each other. Fixes: 22d6d060ac77 ("input: Add support for "Do Not Disturb"") Signed-off-by: Terry Tritton <terry.tritton@linaro.org> Reviewed-by: Aseda Aboagye <aaboagye@chromium.org> Reviewed-by: Carlos Llamas <cmllamas@google.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
2025-01-09HID: lenovo: Support for ThinkPad-X12-TAB-1/2 Kbd Fn keysVishnu Sankar
Fn Keys like Mic mute, Power Modes/Airplane mode,Selective screenshot/Pickup Phone, KBD Backlight and star/Favourites is emitted as HID raw events in X12 Tab1 and Tab2. This support has been added. Thinkpad X12 TAB 2 and TAB 1 Folio keyboard's raw events will get detected as Fn keys with this patch. Default fn_lock state for these Keyboards are OFF. Other than these changes, we follow TP10UKBD's processes. Tested on X12 Tab 2. Signed-off-by: Vishnu Sankar <vishnuocv@gmail.com> Signed-off-by: Vishnu Sankar <vsankar@lenovo.com> Suggested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Signed-off-by: Jiri Kosina <jkosina@suse.com>