Thanks Jiri! Best Regards, Even Xu > -----Original Message----- > From: Jiri Kosina <jikos@xxxxxxxxxx> > Sent: Thursday, January 9, 2025 5:15 PM > To: Xu, Even <even.xu@xxxxxxxxx> > Cc: bentiss@xxxxxxxxxx; corbet@xxxxxxx; bagasdotme@xxxxxxxxx; Aaron, Ma > <aaron.ma@xxxxxxxxxxxxx>; rdunlap@xxxxxxxxxxxxx; mpearson- > lenovo@xxxxxxxxx; linux-input@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > linux-doc@xxxxxxxxxxxxxxx > Subject: Re: [PATCH v4 00/22] Add Intel Touch Host Controller drivers > > On Mon, 6 Jan 2025, Even Xu wrote: > > > Intel Touch Host Controller (THC) is a new high performance input IP > > which can benefit HID device's data transaction, such as touch screen, > > touch pad, stylus. > > > > THC IP now evoluates to V4, it can support 3 different modes: IPTS, > > HIDSPI and HIDI2C. Here are upgrade history: > > - THC v1, for TGL/LKF, supports intel private IPTS (Intel Precise Touch > > and Stylus) protocol ( IPTS mode) > > - THC v2, for ADL, adds industrial standard HID over SPI protocol > > support (HIDSPI mode) > > - THC v3, for MTL, enhances HID over SPI mode > > - THC v4, for LNL, adds inudstrial standard HID over I2C protocol > > support (HIDI2C mode) > > > > Linux Surface community (https://github.com/linux-surface) already > > implemented IPTS mode. These patch series provides THC HIDSPI mode and > > THC HIDI2C mode support on Linux. > > > > These patch series includes: > > 1. Document for THC hardware and software introduction. > > 2. Intel THC Hardware layer driver which provides control interfaces > > for protocol layer. > > 3. Intel QuickSPI (R) driver working as a HIDSPI device driver which > > implements HID over SPI protocol and flow. > > 4. Intel QuickI2C (R) driver working as a HIDI2C device driver which > > implements HID over I2C protocol and flow. > > > > Change logs: > > v4: > > - Minor fix in documents > > - Typo fixes in patch 6 & patch 7 commit descriptions > > > > v3: > > - Change tables in documents from literal block to table format > > - Change symbol namespace to string literal according to patch: > > commit cdd30ebb1b9f ("module: Convert symbol namespace to string > > literal") > > - Refine Kconfig description > > - Enhance Quickspi and Quicki2c driver by clearing THC hardware internal > > state before doing initialization to avoid BIOS impacts. > > - A fix in Quicki2c driver when does set_report > > > > v2: > > - Fix document format issues > > - Add THC device IDs for Intel Panther Lake (PTL) platform > > > > Even Xu (13): > > HID: THC: Add documentation > > HID: intel-thc-hid: intel-thc: Add THC DMA interfaces > > HID: intel-thc-hid: intel-thc: Add THC I2C config interfaces > > HID: intel-thc-hid: intel-quickspi: Add THC QuickSPI driver hid layer > > HID: intel-thc-hid: intel-quickspi: Add THC QuickSPI ACPI interfaces > > HID: intel-thc-hid: intel-quickspi: Add HIDSPI protocol implementation > > HID: intel-thc-hid: intel-quickspi: Add PM implementation > > HID: intel-thc-hid: intel-quicki2c: Add THC QuickI2C driver skeleton > > HID: intel-thc-hid: intel-quicki2c: Add THC QuickI2C driver hid layer > > HID: intel-thc-hid: intel-quicki2c: Add THC QuickI2C ACPI interfaces > > HID: intel-thc-hid: intel-quicki2c: Add HIDI2C protocol implementation > > HID: intel-thc-hid: intel-quicki2c: Complete THC QuickI2C driver > > HID: intel-thc-hid: intel-quicki2c: Add PM implementation > > > > Xinpeng Sun (9): > > HID: intel-thc-hid: Add basic THC driver skeleton > > HID: intel-thc-hid: intel-thc: Add THC registers definition > > HID: intel-thc-hid: intel-thc: Add THC PIO operation APIs > > HID: intel-thc-hid: intel-thc: Add APIs for interrupt > > HID: intel-thc-hid: intel-thc: Add THC LTR interfaces > > HID: intel-thc-hid: intel-thc: Add THC interrupt handler > > HID: intel-thc-hid: intel-thc: Add THC SPI config interfaces > > HID: intel-thc-hid: intel-quickspi: Add THC QuickSPI driver skeleton > > HID: intel-thc-hid: intel-quickspi: Complete THC QuickSPI driver > > Now queued in hid.git#for-6.14/intel-thc. > > Thanks, > > -- > Jiri Kosina > SUSE Labs
