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Date: Tue, 21 Jun 2016 22:40:32 -0700 From: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com> To: jikos@...nel.org, jic23@...nel.org, benjamin.tissoires@...hat.com Cc: linux-input@...r.kernel.org, linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v2 0/6] Intel Integrated Sensor Hub Support (ISH) Change log v2: - Overview in documentation show analogy with usbhid implementation - sparse errors for statics. Also pointed by Jiri - Clearly marking exported function header file. Clean up all exports unused inteface functions - Changed to tristate from boolean as pointed by Jiri: this required remove/unload functions - Prevent crash when ISH enabled on non supported platform - Break client.c to smaller part by seprating buffer allocations - move bus register/unregister to ishtp module - There is only one config symbol INTEL_ISH_HID, removed silent config for TRANSPORT and IPC Starting from Cherrytrail, multiple generation of Intel processors offers on package sensor hub. Several recent tablets, 2-in-1 convertible laptops are using ISH instead of external sensor hubs. This resulted in lack of support of sensor function like device rotation and auto backlight adjustment. In addition, depending on the OEM implementation, support of ISH is required to support low power sleep states. The support of ISH on Linux platforms is not new. Android platforms with Intel SoCs had this support for a while submitted by Daniel Drubin. This patcheset is reusing most of those changes with clean up and removing Android platform specific changes. The user mode ABI is still same as external sensor hubs using Linux IIO. So existing user mode software should still work. This series primarily brings in new HID transport used in ISH. Thanks to the community members who tested RFC patches and provided feedback. For users testing on Linux distributions using IIO sensor proxy, a short term work around is required till we have debugged this issue. In systemd unit file iio-sensor-proxy.service In the section "[Unit]" add After=multi-user.target Daniel Drubin (3): hid: intel_ish-hid: ISH Transport layer hid: intel-ish-hid: ipc layer hid: intel-ish-hid: ISH HID client driver Srinivas Pandruvada (3): Documentation: hid: Intel ISH HID document iio: hid-sensors: use asynchronous resume hid: hid-sensor-hub: Add ISH quirk Documentation/hid/intel-ish-hid.txt | 449 ++++++++++ drivers/hid/Kconfig | 2 + drivers/hid/Makefile | 2 + drivers/hid/hid-sensor-hub.c | 4 + drivers/hid/intel-ish-hid/Kconfig | 17 + drivers/hid/intel-ish-hid/Makefile | 22 + drivers/hid/intel-ish-hid/ipc/hw-ish-regs.h | 220 +++++ drivers/hid/intel-ish-hid/ipc/hw-ish.h | 71 ++ drivers/hid/intel-ish-hid/ipc/ipc.c | 719 ++++++++++++++++ drivers/hid/intel-ish-hid/ipc/pci-ish.c | 327 +++++++ drivers/hid/intel-ish-hid/ipc/utils.h | 64 ++ drivers/hid/intel-ish-hid/ishtp-hid-client.c | 935 +++++++++++++++++++++ drivers/hid/intel-ish-hid/ishtp-hid.c | 234 ++++++ drivers/hid/intel-ish-hid/ishtp-hid.h | 182 ++++ drivers/hid/intel-ish-hid/ishtp/bus.c | 780 +++++++++++++++++ drivers/hid/intel-ish-hid/ishtp/bus.h | 110 +++ drivers/hid/intel-ish-hid/ishtp/client-buffers.c | 214 +++++ drivers/hid/intel-ish-hid/ishtp/client.c | 935 +++++++++++++++++++++ drivers/hid/intel-ish-hid/ishtp/client.h | 182 ++++ drivers/hid/intel-ish-hid/ishtp/dma-if.c | 178 ++++ drivers/hid/intel-ish-hid/ishtp/hbm.c | 908 ++++++++++++++++++++ drivers/hid/intel-ish-hid/ishtp/hbm.h | 321 +++++++ drivers/hid/intel-ish-hid/ishtp/init.c | 93 ++ drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h | 277 ++++++ .../iio/common/hid-sensors/hid-sensor-trigger.c | 21 +- include/linux/hid-sensor-hub.h | 1 + include/trace/events/intel_ish.h | 30 + include/uapi/linux/input.h | 1 + 28 files changed, 7298 insertions(+), 1 deletion(-) create mode 100644 Documentation/hid/intel-ish-hid.txt create mode 100644 drivers/hid/intel-ish-hid/Kconfig create mode 100644 drivers/hid/intel-ish-hid/Makefile create mode 100644 drivers/hid/intel-ish-hid/ipc/hw-ish-regs.h create mode 100644 drivers/hid/intel-ish-hid/ipc/hw-ish.h create mode 100644 drivers/hid/intel-ish-hid/ipc/ipc.c create mode 100644 drivers/hid/intel-ish-hid/ipc/pci-ish.c create mode 100644 drivers/hid/intel-ish-hid/ipc/utils.h create mode 100644 drivers/hid/intel-ish-hid/ishtp-hid-client.c create mode 100644 drivers/hid/intel-ish-hid/ishtp-hid.c create mode 100644 drivers/hid/intel-ish-hid/ishtp-hid.h create mode 100644 drivers/hid/intel-ish-hid/ishtp/bus.c create mode 100644 drivers/hid/intel-ish-hid/ishtp/bus.h create mode 100644 drivers/hid/intel-ish-hid/ishtp/client-buffers.c create mode 100644 drivers/hid/intel-ish-hid/ishtp/client.c create mode 100644 drivers/hid/intel-ish-hid/ishtp/client.h create mode 100644 drivers/hid/intel-ish-hid/ishtp/dma-if.c create mode 100644 drivers/hid/intel-ish-hid/ishtp/hbm.c create mode 100644 drivers/hid/intel-ish-hid/ishtp/hbm.h create mode 100644 drivers/hid/intel-ish-hid/ishtp/init.c create mode 100644 drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h create mode 100644 include/trace/events/intel_ish.h -- 2.5.5
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