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This driver exposes hardware sensors of the ASUS ROG RYUJIN II 360 all-in-one CPU liquid cooler, which communicates through a proprietary USB HID protocol. Report offsets were initially discovered in [1] by Florian Freudiger. Available sensors are pump, internal and external (controller) fan speed in RPM, their duties in PWM, as well as coolant temperature. Attaching external fans to the controller is optional and allows them to be controlled from the device. If not connected, the fan-related sensors will report zeroes. The controller is a separate hardware unit that comes bundled with the AIO and connects to it to allow fan control. The addressable LCD screen is not supported in this driver and should be controlled through userspace tools. [1]: https://github.com/liquidctl/liquidctl/pull/653 Tested-by: Florian Freudiger <florian.freudiger@proton.me> Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com> Link: https://lore.kernel.org/r/20240108094453.22986-1-savicaleksa83@gmail.com [groeck: Add HID dependency] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
48 lines
1.5 KiB
ReStructuredText
48 lines
1.5 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0-or-later
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Kernel driver asus_rog_ryujin
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=============================
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Supported devices:
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* ASUS ROG RYUJIN II 360
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Author: Aleksa Savic
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Description
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-----------
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This driver enables hardware monitoring support for the listed ASUS ROG RYUJIN
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all-in-one CPU liquid coolers. Available sensors are pump, internal and external
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(controller) fan speed in RPM, their duties in PWM, as well as coolant temperature.
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Attaching external fans to the controller is optional and allows them to be
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controlled from the device. If not connected, the fan-related sensors will
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report zeroes. The controller is a separate hardware unit that comes bundled
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with the AIO and connects to it to allow fan control.
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The addressable LCD screen is not supported in this driver and should
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be controlled through userspace tools.
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Usage notes
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-----------
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As these are USB HIDs, the driver can be loaded automatically by the kernel and
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supports hot swapping.
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Sysfs entries
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-------------
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=========== =============================================
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fan1_input Pump speed (in rpm)
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fan2_input Internal fan speed (in rpm)
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fan3_input External (controller) fan 1 speed (in rpm)
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fan4_input External (controller) fan 2 speed (in rpm)
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fan5_input External (controller) fan 3 speed (in rpm)
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fan6_input External (controller) fan 4 speed (in rpm)
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temp1_input Coolant temperature (in millidegrees Celsius)
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pwm1 Pump duty
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pwm2 Internal fan duty
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pwm3 External (controller) fan duty
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=========== =============================================
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