Hi,
Newer laptops and tablets that use ACPI may have thermal sensors and other
devices with thermal control capabilities outside the core CPU/SOC, for
thermal safety reasons.
They are exposed for the OS to use via the ACPI INT340x device objects.
This patch set introduces kernel drivers for those INT340X devices and
expose their telemetry and cooling capability to user space via the normal
thermal framework. So that a wide range of applications and GUI widgets
can show this information to the user or use this information for making
decisions. For example, the Intel Thermal Daemon can use this information
to allow the user to select his laptop to run w/ or w/o turning on the fans.
thanks,
rui
----------------------------------------------------------------
Aaron Lu (9):
ACPI / fan: remove unused macro
ACPI / fan: remove no need check for device pointer
ACPI / fan: use acpi_device_xxx_power instead of acpi_bus equivelant
ACPI / fan: convert to platform driver
ACPI / Fan: add ACPI 4.0 style fan support
ACPI / Fan: support INT3404 thermal device
Thermal: move the KELVIN_TO_MILLICELSIUS macro to thermal.h
Thermal: introduce INT3402 thermal driver
Thermal: introduce INT3406 thermal driver
Jacob Pan (2):
Thermal: int340x_thermal: expose acpi thermal relationship tables
Thermal: int3400_thermal: use acpi_thermal_rel parsing APIs
Lan Tianyu (1):
Thermal: introduce int3403 thermal driver
Zhang Rui (7):
ACPI: introduce ACPI int340x thermal scan handler
ACPI: make acpi_create_platform_device() an external API
ACPI: add ACPI_TYPE_LOCAL_REFERENCE support to acpi_extract_package()
Thermal: introduce int3400 thermal driver
Thermal: int3400 thermal: add capability to detect supporting UUIDs
Thermal: int3400 thermal: register to thermal framework
Thermal: int340x thermal: select ACPI fan driver
drivers/acpi/Kconfig | 2 +-
drivers/acpi/Makefile | 1 +
drivers/acpi/acpi_platform.c | 1 +
drivers/acpi/device_pm.c | 1 +
drivers/acpi/fan.c | 341 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----------------------
drivers/acpi/int340x_thermal.c | 51 ++++++++++++++++
drivers/acpi/internal.h | 3 +-
drivers/acpi/scan.c | 1 +
drivers/acpi/thermal.c | 18 +++---
drivers/acpi/utils.c | 28 ++++++++-
drivers/acpi/video.c | 78 +++++++++++++-----------
drivers/thermal/Kconfig | 39 +++++++-----
drivers/thermal/Makefile | 2 +-
drivers/thermal/int3403_thermal.c | 296 ----------------------------------------------------------------------------------------
drivers/thermal/int340x_thermal/Makefile | 5 ++
drivers/thermal/int340x_thermal/acpi_thermal_rel.c | 400 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
drivers/thermal/int340x_thermal/acpi_thermal_rel.h | 84 +++++++++++++++++++++++++
drivers/thermal/int340x_thermal/int3400_thermal.c | 271 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
drivers/thermal/int340x_thermal/int3402_thermal.c | 242 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
drivers/thermal/int340x_thermal/int3403_thermal.c | 489 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
drivers/thermal/int340x_thermal/int3406_thermal.c | 230 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
drivers/video/backlight/backlight.c | 44 +++++++++-----
include/acpi/acpi_bus.h | 1 +
include/acpi/video.h | 20 ++++++
include/linux/acpi.h | 7 +++
include/linux/backlight.h | 2 +
include/linux/thermal.h | 4 ++
27 files changed, 2208 insertions(+), 453 deletions(-)
create mode 100644 drivers/acpi/int340x_thermal.c
delete mode 100644 drivers/thermal/int3403_thermal.c
create mode 100644 drivers/thermal/int340x_thermal/Makefile
create mode 100644 drivers/thermal/int340x_thermal/acpi_thermal_rel.c
create mode 100644 drivers/thermal/int340x_thermal/acpi_thermal_rel.h
create mode 100644 drivers/thermal/int340x_thermal/int3400_thermal.c
create mode 100644 drivers/thermal/int340x_thermal/int3402_thermal.c
create mode 100644 drivers/thermal/int340x_thermal/int3403_thermal.c
create mode 100644 drivers/thermal/int340x_thermal/int3406_thermal.c
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