Hi Neil, 2018-05-18 15:04 GMT+02:00 Neil Armstrong <narmstrong@xxxxxxxxxxxx>: > Hi All, > > The new Google "Fizz" Intel-based ChromeOS device is gaining CEC support > through it's Embedded Controller, to enable the Linux CEC Core to communicate > with it and get the CEC Physical Address from the correct HDMI Connector, the > following must be added/changed: > - Add the CEC sub-device registration in the ChromeOS EC MFD Driver > - Add the CEC related commands and events definitions into the EC MFD driver > - Add a way to get a CEC notifier with it's (optional) connector name > - Add the CEC notifier to the i915 HDMI driver > - Add the proper ChromeOS EC CEC Driver > > The CEC notifier with the connector name is the tricky point, since even on > Device-Tree platforms, there is no way to distinguish between multiple HDMI > connectors from the same DRM driver. The solution I implemented is pretty > simple and only adds an optional connector name to eventually distinguish > an HDMI connector notifier from another if they share the same device. > > Feel free to comment this patchset ! > > Changes since v2: > - Add i915 port_identifier() and use this stable name as cec_notifier conn name > - Fixed and cleaned up the CEC commands and events handling > - Rebased the CEC sub-device registration on top of Enric's serie > - Fixed comments typo on cec driver > - Protected the DMI match only with PCI and DMI Kconfigs > Just because I got confused when I saw two v2 in my inbox. This is v3, right? > Changes since v1: > - Added cec_notifier_put to intel_hdmi > - Fixed all small reported issues on the EC CEC driver > - Moved the cec_notifier_get out of the #if .. #else .. #endif > > Changes since RFC: > - Moved CEC sub-device registration after CEC commands and events definitions patch > - Removed get_notifier_get_byname > - Added CEC_CORE select into i915 Kconfig > - Removed CEC driver fallback if notifier is not configured on HW, added explicit warn > - Fixed CEC core return type on error > - Moved to cros-ec-cec media platform directory > - Use bus_find_device() to find the pci i915 device instead of get_notifier_get_byname() > - Fix Logical Address setup > - Added comment about HW support > - Removed memset of msg structures > > Neil Armstrong (5): > media: cec-notifier: Get notifier by device and connector name > drm/i915: hdmi: add CEC notifier to intel_hdmi > mfd: cros-ec: Introduce CEC commands and events definitions. > mfd: cros_ec_dev: Add CEC sub-device registration > media: platform: Add Chrome OS EC CEC driver > > drivers/gpu/drm/i915/Kconfig | 1 + > drivers/gpu/drm/i915/intel_display.h | 20 ++ > drivers/gpu/drm/i915/intel_drv.h | 2 + > drivers/gpu/drm/i915/intel_hdmi.c | 13 + > drivers/media/cec/cec-notifier.c | 11 +- > drivers/media/platform/Kconfig | 11 + > drivers/media/platform/Makefile | 2 + > drivers/media/platform/cros-ec-cec/Makefile | 1 + > drivers/media/platform/cros-ec-cec/cros-ec-cec.c | 347 +++++++++++++++++++++++ > drivers/mfd/cros_ec_dev.c | 16 ++ > drivers/platform/chrome/cros_ec_proto.c | 40 ++- > include/linux/mfd/cros_ec.h | 2 +- > include/linux/mfd/cros_ec_commands.h | 80 ++++++ > include/media/cec-notifier.h | 27 +- > 14 files changed, 557 insertions(+), 16 deletions(-) > create mode 100644 drivers/media/platform/cros-ec-cec/Makefile > create mode 100644 drivers/media/platform/cros-ec-cec/cros-ec-cec.c > > -- > 2.7.4 >
