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Message-Id: <20241216014127.3722172-1-even.xu@intel.com>
Date: Mon, 16 Dec 2024 09:41:05 +0800
From: Even Xu <even.xu@...el.com>
To: jikos@...nel.org,
bentiss@...nel.org,
corbet@....net,
bagasdotme@...il.com,
aaron.ma@...onical.com,
rdunlap@...radead.org
Cc: linux-input@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-doc@...r.kernel.org,
Even Xu <even.xu@...el.com>
Subject: [PATCH v3 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:
v3:
- Change tables in documents from literal block to table format
- Change symbol namespace to string literal according to patch:
cdd30ebb1b9f ("module: Convert symbol namespace to string literal")
- Refine Kconfig description
- Enhance Quickspi and Quicki2c driver by clearing THC hardware interal
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 | 409 +++++
.../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, 7953 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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