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Message-Id: <20241024081023.1468951-1-even.xu@intel.com>
Date: Thu, 24 Oct 2024 16:10:01 +0800
From: Even Xu <even.xu@...el.com>
To: jikos@...nel.org,
	bentiss@...nel.org,
	corbet@....net
Cc: linux-input@...r.kernel.or,
	linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org,
	Even Xu <even.xu@...el.com>
Subject: [PATCH v1 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.

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/intel-thc-hid.rst           |  560 +++++++
 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             |  962 +++++++++++
 .../intel-quicki2c/quicki2c-dev.h             |  182 +++
 .../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             |  970 +++++++++++
 .../intel-quickspi/quickspi-dev.h             |  168 ++
 .../intel-quickspi/quickspi-hid.c             |  165 ++
 .../intel-quickspi/quickspi-hid.h             |   14 +
 .../intel-quickspi/quickspi-protocol.c        |  410 +++++
 .../intel-quickspi/quickspi-protocol.h        |   25 +
 .../intel-thc-hid/intel-thc/intel-thc-dev.c   | 1442 +++++++++++++++++
 .../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 ++
 25 files changed, 7772 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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