59 lines
2.1 KiB
ReStructuredText
59 lines
2.1 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0-or-later
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Kernel driver aquacomputer-d5next
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=================================
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Supported devices:
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* Aquacomputer D5 Next watercooling pump
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* Aquacomputer Farbwerk 360 RGB controller
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Author: Aleksa Savic
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Description
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-----------
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This driver exposes hardware sensors of listed Aquacomputer devices, which
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communicate through proprietary USB HID protocols.
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For the D5 Next pump, available sensors are pump and fan speed, power, voltage
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and current, as well as coolant temperature. Also available through debugfs are
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the serial number, firmware version and power-on count. Attaching a fan to it is
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optional and allows it to be controlled using temperature curves directly from the
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pump. If it's not connected, the fan-related sensors will report zeroes.
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The pump can be configured either through software or via its physical
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interface. Configuring the pump through this driver is not implemented, as it
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seems to require sending it a complete configuration. That includes addressable
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RGB LEDs, for which there is no standard sysfs interface. Thus, that task is
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better suited for userspace tools.
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The Farbwerk 360 exposes four temperature sensors. Depending on the device,
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not all sysfs and debugfs entries will be available.
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Usage notes
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-----------
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The devices communicate via HID reports. The driver is loaded automatically by
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the kernel and supports hotswapping.
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Sysfs entries
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-------------
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================ =============================================
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temp[1-4]_input Temperature sensors (in millidegrees Celsius)
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fan[1-2]_input Pump/fan speed (in RPM)
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power[1-2]_input Pump/fan power (in micro Watts)
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in[0-2]_input Pump/fan voltage (in milli Volts)
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curr[1-2]_input Pump/fan current (in milli Amperes)
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================ =============================================
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Debugfs entries
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---------------
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================ =================================================
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serial_number Serial number of the device
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firmware_version Version of installed firmware
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power_cycles Count of how many times the device was powered on
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================ =================================================
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