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Message-ID: <CACxGe6udQ9H5_OBg+h8BB4Bru5Air0LYxtGQkUvr91ebtUE+SA@mail.gmail.com> Date: Thu, 9 Jun 2016 22:45:13 +0100 From: Grant Likely <grant.likely@...retlab.ca> To: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com> Cc: Jiri Kosina <jikos@...nel.org>, benjamin.tissoires@...hat.com, Jonathan Cameron <jic23@...nel.org>, "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>, linux-iio@...r.kernel.org, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, chaya.golan@...el.com, daniel.drubin@...el.com, Darren Hart <darren@...art.com> Subject: Re: [RFC 0/4] Intel Integrated Sensor Hub Support (ISH) On Tue, May 31, 2016 at 5:27 AM, Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com> wrote: > 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. Hi Srinivas, Thanks for this patch series. I've got an HP Spectre x360 G2 (skylake), and I've built a 4.6.0 kernel with this driver patched in. It detects the sensors hub, and creates IIO devices under /sys/bus/iio/devices: $ ls /sys/bus/iio/devices/ iio:device0 iio:device1 iio:device2 iio:device3 iio:device4 iio:device5 iio:device6 iio:device7 iio:device8 iio:device9 trigger0 trigger1 trigger2 trigger3 trigger4 trigger5 trigger6 trigger7 trigger8 trigger9 However, I haven't figured out how to test it yet. (This is the first time I'm working with IIO). Do you have any test code or test procedures to show if it is working? Thanks, g. > > This series is tested on: > - Lenovo Yoga 260 with Skylake processor > - HP Pavilion x2 detachable with Cherrytrail > > The user mode ABI is still same as external sensor hubs using Linux > IIO. So existing user mode software should still work without change. > This series primarily brings in new HID transport used in ISH. > > This series submitted as a RFC to try on several devices. We have > received request from Linux users who wanted this support. So I hope all > those users try and give feedback. > > 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 (1): > Documentation: hid: Intel ISH HID document > > Documentation/hid/intel-ish-hid.txt | 375 +++++++++ > drivers/hid/Kconfig | 2 + > drivers/hid/Makefile | 2 + > drivers/hid/intel-ish-hid/Kconfig | 27 + > drivers/hid/intel-ish-hid/Makefile | 20 + > 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 | 710 ++++++++++++++++ > drivers/hid/intel-ish-hid/ipc/pci-ish.c | 238 ++++++ > drivers/hid/intel-ish-hid/ipc/utils.h | 65 ++ > drivers/hid/intel-ish-hid/ishtp-hid-client.c | 672 +++++++++++++++ > drivers/hid/intel-ish-hid/ishtp-hid.c | 201 +++++ > drivers/hid/intel-ish-hid/ishtp-hid.h | 157 ++++ > drivers/hid/intel-ish-hid/ishtp/bus.c | 670 +++++++++++++++ > drivers/hid/intel-ish-hid/ishtp/bus.h | 99 +++ > drivers/hid/intel-ish-hid/ishtp/client.c | 1131 ++++++++++++++++++++++++++ > drivers/hid/intel-ish-hid/ishtp/client.h | 196 +++++ > drivers/hid/intel-ish-hid/ishtp/dma-if.c | 175 ++++ > drivers/hid/intel-ish-hid/ishtp/hbm.c | 911 +++++++++++++++++++++ > drivers/hid/intel-ish-hid/ishtp/hbm.h | 319 ++++++++ > drivers/hid/intel-ish-hid/ishtp/init.c | 94 +++ > drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h | 276 +++++++ > include/trace/events/intel_ish.h | 30 + > 23 files changed, 6661 insertions(+) > 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.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 > > -- > 1.9.1 >
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