64 lines
1.9 KiB
ReStructuredText
64 lines
1.9 KiB
ReStructuredText
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.. SPDX-License-Identifier: GPL-2.0-or-later
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Kernel driver asus_ec_sensors
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=================================
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Supported boards:
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* PRIME X470-PRO
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* PRIME X570-PRO
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* Pro WS X570-ACE
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* ProArt X570-CREATOR WIFI
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* ROG CROSSHAIR VIII DARK HERO
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* ROG CROSSHAIR VIII HERO (WI-FI)
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* ROG CROSSHAIR VIII FORMULA
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* ROG CROSSHAIR VIII HERO
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* ROG CROSSHAIR VIII IMPACT
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* ROG MAXIMUS XI HERO
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* ROG MAXIMUS XI HERO (WI-FI)
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* ROG STRIX B550-E GAMING
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* ROG STRIX B550-I GAMING
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* ROG STRIX X570-E GAMING
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* ROG STRIX X570-E GAMING WIFI II
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* ROG STRIX X570-F GAMING
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* ROG STRIX X570-I GAMING
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* ROG STRIX Z690-A GAMING WIFI D4
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* ROG ZENITH II EXTREME
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Authors:
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- Eugene Shalygin <eugene.shalygin@gmail.com>
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Description:
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------------
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ASUS mainboards publish hardware monitoring information via Super I/O
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chip and the ACPI embedded controller (EC) registers. Some of the sensors
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are only available via the EC.
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The driver is aware of and reads the following sensors:
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1. Chipset (PCH) temperature
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2. CPU package temperature
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3. Motherboard temperature
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4. Readings from the T_Sensor header
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5. VRM temperature
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6. CPU_Opt fan RPM
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7. VRM heatsink fan RPM
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8. Chipset fan RPM
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9. Readings from the "Water flow meter" header (RPM)
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10. Readings from the "Water In" and "Water Out" temperature headers
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11. CPU current
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12. CPU core voltage
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Sensor values are read from EC registers, and to avoid race with the board
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firmware the driver acquires ACPI mutex, the one used by the WMI when its
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methods access the EC.
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Module Parameters
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-----------------
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* mutex_path: string
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The driver holds path to the ACPI mutex for each board (actually,
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the path is mostly identical for them). If ASUS changes this path
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in a future BIOS update, this parameter can be used to override
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the stored in the driver value until it gets updated.
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A special string ":GLOBAL_LOCK" can be passed to use the ACPI
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global lock instead of a dedicated mutex.
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