On 22/06/16 06:40, Srinivas Pandruvada wrote:
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
Tested-by: Grant Likely <grant.likely@xxxxxxxxxxxx>
On an HP Spectre x360 laptop using v4.7-rc5.
In related news, the problem I had with the rotation events not showing
up on v1 of this series went away. I don't have a reason why, it just
suddenly started working.
g.
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
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