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Message-Id: <20241114053416.4085715-1-even.xu@intel.com> Date: Thu, 14 Nov 2024 13:33:54 +0800 From: Even Xu <even.xu@...el.com> To: jikos@...nel.org, bentiss@...nel.org, corbet@....net, bagasdotme@...il.com, aaron.ma@...onical.com Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, Even Xu <even.xu@...el.com> Subject: [PATCH v2 00/22] Add Intel Touch Host Controller drivers 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, add industrial standard HID over SPI protocol support (HIDSPI mode) - THC v3, for MTL, enhance HID over SPI mode - THC v4, for LNL, add 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: v2: - Fix document format issues - Add THC device IDs for Intel Panther Lake (PTL) platform Apologize: I wrote a wrong maillist name for linux-input by mistake when sent out v1 patch series, which caused linux-input maillist missed v1 version. When I recognized, I already got some review comments from other maillist, then v1 patch series was resent, so this is first version to linux-input maillist, sorry for that. 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 | 584 +++++++ 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 | 219 +++ .../intel-quicki2c/quicki2c-protocol.h | 20 + .../intel-quickspi/pci-quickspi.c | 985 +++++++++++ .../intel-quickspi/quickspi-dev.h | 172 ++ .../intel-quickspi/quickspi-hid.c | 165 ++ .../intel-quickspi/quickspi-hid.h | 14 + .../intel-quickspi/quickspi-protocol.c | 413 +++++ .../intel-quickspi/quickspi-protocol.h | 25 + .../intel-thc-hid/intel-thc/intel-thc-dev.c | 1446 +++++++++++++++++ .../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 | 878 ++++++++++ include/linux/hid-over-i2c.h | 117 ++ include/linux/hid-over-spi.h | 155 ++ 26 files changed, 7831 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 -- 2.40.1
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