71 lines
2.2 KiB
ReStructuredText
71 lines
2.2 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0-or-later
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Kernel driver oxp-sensors
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=========================
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Authors:
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- Derek John Clark <derekjohn.clark@gmail.com>
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- Joaquín Ignacio Aramendía <samsagax@gmail.com>
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Description:
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------------
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Handheld devices from One Netbook and Aya Neo provide fan readings and fan
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control through their embedded controllers.
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Currently only supports AMD boards from One X Player, AOK ZOE, and some Aya
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Neo devices. One X Player Intel boards could be supported if we could figure
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out the EC registers and values to write to since the EC layout and model is
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different. Aya Neo devices preceding the AIR may not be supportable as the EC
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model is different and do not appear to have manual control capabilities.
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Some models have a toggle for changing the behaviour of the "Turbo/Silent"
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button of the device. It will change the key event that it triggers with
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a flip of the `tt_toggle` attribute. See below for boards that support this
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function.
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Supported devices
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-----------------
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Currently the driver supports the following handhelds:
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- AOK ZOE A1
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- AOK ZOE A1 PRO
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- Aya Neo 2
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- Aya Neo AIR
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- Aya Neo AIR Pro
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- Aya Neo Geek
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- OneXPlayer AMD
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- OneXPlayer mini AMD
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- OneXPlayer mini AMD PRO
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"Turbo/Silent" button behaviour toggle is only supported on:
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- AOK ZOE A1
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- AOK ZOE A1 PRO
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- OneXPlayer mini AMD (only with updated alpha BIOS)
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- OneXPlayer mini AMD PRO
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Sysfs entries
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-------------
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The following attributes are supported:
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fan1_input
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Read Only. Reads current fan RMP.
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pwm1_enable
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Read Write. Enable manual fan control. Write "1" to set to manual, write "0"
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to let the EC control de fan speed. Read this attribute to see current status.
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pwm1
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Read Write. Read this attribute to see current duty cycle in the range [0-255].
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When pwm1_enable is set to "1" (manual) write any value in the range [0-255]
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to set fan speed.
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tt_toggle
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Read Write. Read this attribute to check the status of the turbo/silent
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button behaviour function. Write "1" to activate the switch and "0" to
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deactivate it. The specific keycodes and behaviour is specific to the device
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both with this function on and off. This attribute is attached to the platform
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driver and not to the hwmon driver (/sys/devices/platform/oxp-platform/tt_toggle)
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