Hi, Shengyu, Thanks for your email! Yes, I checked that internally. So far, IPTS is still private, and doesn't have publish plan. So I cannot publish IPTS related drivers. Sorry. Best Regards, Even Xu > -----Original Message----- > From: Shengyu Qu <wiagn233@xxxxxxxxxxx> > Sent: Monday, May 12, 2025 2:34 PM > To: Xu, Even <even.xu@xxxxxxxxx>; jikos@xxxxxxxxxx; bentiss@xxxxxxxxxx; > corbet@xxxxxxx; bagasdotme@xxxxxxxxx; Aaron, Ma > <aaron.ma@xxxxxxxxxxxxx>; rdunlap@xxxxxxxxxxxxx; mpearson- > lenovo@xxxxxxxxx > Cc: wiagn233@xxxxxxxxxxx; linux-input@xxxxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; linux-doc@xxxxxxxxxxxxxxx; Yue, Ling > <ling.yue@xxxxxxxxx> > Subject: Re: [PATCH v4 00/22] Add Intel Touch Host Controller drivers > > Hello Xu, > > Any updates on this? It's been a month since your last reply. > > Best regards, > Shengyu > > 在 2025/4/14 11:02, Xu, Even 写道: > > Hi, Shengyu, > > > > Thanks for your feedback! > > > > In fact, we have IPTS mode internal draft driver. It works fine and passes basic > validation. > > But I was told that IPTS EDS (External-interface Definition Spec) is designed as a > private spec, not be published yet. > > This IPTS EDS is only shared with OEMs under NDA. > > > > So, first, from my perspective, I need to consult the company's legal department > and discuss with them how to proceed with this case. > > > > Will come back to you once I get any update on this. > > > > Thanks! > > > > Best Regards, > > Even Xu > > > >> -----Original Message----- > >> From: Shengyu Qu <wiagn233@xxxxxxxxxxx> > >> Sent: Thursday, April 10, 2025 10:02 AM > >> To: Xu, Even <even.xu@xxxxxxxxx>; jikos@xxxxxxxxxx; > >> bentiss@xxxxxxxxxx; corbet@xxxxxxx; bagasdotme@xxxxxxxxx; Aaron, Ma > >> <aaron.ma@xxxxxxxxxxxxx>; rdunlap@xxxxxxxxxxxxx; mpearson- > >> lenovo@xxxxxxxxx > >> Cc: wiagn233@xxxxxxxxxxx; linux-input@xxxxxxxxxxxxxxx; linux- > >> kernel@xxxxxxxxxxxxxxx; linux-doc@xxxxxxxxxxxxxxx > >> Subject: Re: [PATCH v4 00/22] Add Intel Touch Host Controller drivers > >> > >> Hello, > >> > >> Can you also add previous version support for the THC IP? > >> linux-surface guys did a good job, but they are not full-time working > >> on this, and mainlining their downstream driver would take a long time. > >> > >> Best regards, > >> Shengyu > >> > >> 在 2025/1/6 10:31, Even Xu 写道: > >>> 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 > >>> > >>> Documentation/hid/index.rst | 1 + > >>> Documentation/hid/intel-thc-hid.rst | 568 ++++++ > >>> MAINTAINERS | 6 + > >>> drivers/hid/Kconfig | 2 + > >>> drivers/hid/Makefile | 2 + > >>> drivers/hid/intel-thc-hid/Kconfig | 42 + > >>> drivers/hid/intel-thc-hid/Makefile | 22 + > >>> .../intel-quicki2c/pci-quicki2c.c | 966 ++++++++++ > >>> .../intel-quicki2c/quicki2c-dev.h | 186 ++ > >>> .../intel-quicki2c/quicki2c-hid.c | 166 ++ > >>> .../intel-quicki2c/quicki2c-hid.h | 14 + > >>> .../intel-quicki2c/quicki2c-protocol.c | 224 +++ > >>> .../intel-quicki2c/quicki2c-protocol.h | 20 + > >>> .../intel-quickspi/pci-quickspi.c | 987 +++++++++++ > >>> .../intel-quickspi/quickspi-dev.h | 172 ++ > >>> .../intel-quickspi/quickspi-hid.c | 165 ++ > >>> .../intel-quickspi/quickspi-hid.h | 14 + > >>> .../intel-quickspi/quickspi-protocol.c | 414 +++++ > >>> .../intel-quickspi/quickspi-protocol.h | 25 + > >>> .../intel-thc-hid/intel-thc/intel-thc-dev.c | 1578 +++++++++++++++++ > >>> .../intel-thc-hid/intel-thc/intel-thc-dev.h | 116 ++ > >>> .../intel-thc-hid/intel-thc/intel-thc-dma.c | 969 ++++++++++ > >>> .../intel-thc-hid/intel-thc/intel-thc-dma.h | 146 ++ > >>> .../intel-thc-hid/intel-thc/intel-thc-hw.h | 881 +++++++++ > >>> include/linux/hid-over-i2c.h | 117 ++ > >>> include/linux/hid-over-spi.h | 155 ++ > >>> 26 files changed, 7958 insertions(+) > >>> create mode 100644 Documentation/hid/intel-thc-hid.rst > >>> create mode 100644 drivers/hid/intel-thc-hid/Kconfig > >>> create mode 100644 drivers/hid/intel-thc-hid/Makefile > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-hid.c > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-hid.h > >>> create mode 100644 > >>> drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c- > >> protocol.c > >>> create mode 100644 > >>> drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c- > >> protocol.h > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-quickspi/quickspi-dev.h > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-quickspi/quickspi-hid.c > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-quickspi/quickspi-hid.h > >>> create mode 100644 > >>> drivers/hid/intel-thc-hid/intel-quickspi/quickspi- > >> protocol.c > >>> create mode 100644 > >>> drivers/hid/intel-thc-hid/intel-quickspi/quickspi- > >> protocol.h > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.c > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.h > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.c > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.h > >>> create mode 100644 drivers/hid/intel-thc-hid/intel-thc/intel-thc-hw.h > >>> create mode 100644 include/linux/hid-over-i2c.h > >>> create mode 100644 include/linux/hid-over-spi.h > >>> > >
