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- .. SPDX-License-Identifier: GPL-2.0-or-later
- Kernel driver asus_ec_sensors
- =================================
- Supported boards:
- * PRIME X470-PRO
- * PRIME X570-PRO
- * Pro WS X570-ACE
- * ProArt X570-CREATOR WIFI
- * ProArt X670E-CREATOR WIFI
- * ProArt B550-CREATOR
- * ROG CROSSHAIR VIII DARK HERO
- * ROG CROSSHAIR VIII HERO (WI-FI)
- * ROG CROSSHAIR VIII FORMULA
- * ROG CROSSHAIR VIII HERO
- * ROG CROSSHAIR VIII IMPACT
- * ROG CROSSHAIR X670E HERO
- * ROG CROSSHAIR X670E GENE
- * ROG MAXIMUS XI HERO
- * ROG MAXIMUS XI HERO (WI-FI)
- * ROG STRIX B550-E GAMING
- * ROG STRIX B550-I GAMING
- * ROG STRIX X570-E GAMING
- * ROG STRIX X570-E GAMING WIFI II
- * ROG STRIX X570-F GAMING
- * ROG STRIX X570-I GAMING
- * ROG STRIX Z390-F GAMING
- * ROG STRIX Z690-A GAMING WIFI D4
- * ROG ZENITH II EXTREME
- * ROG ZENITH II EXTREME ALPHA
- Authors:
- - Eugene Shalygin <eugene.shalygin@gmail.com>
- Description:
- ------------
- ASUS mainboards publish hardware monitoring information via Super I/O
- chip and the ACPI embedded controller (EC) registers. Some of the sensors
- are only available via the EC.
- The driver is aware of and reads the following sensors:
- 1. Chipset (PCH) temperature
- 2. CPU package temperature
- 3. Motherboard temperature
- 4. Readings from the T_Sensor header
- 5. VRM temperature
- 6. CPU_Opt fan RPM
- 7. VRM heatsink fan RPM
- 8. Chipset fan RPM
- 9. Readings from the "Water flow meter" header (RPM)
- 10. Readings from the "Water In" and "Water Out" temperature headers
- 11. CPU current
- 12. CPU core voltage
- Sensor values are read from EC registers, and to avoid race with the board
- firmware the driver acquires ACPI mutex, the one used by the WMI when its
- methods access the EC.
- Module Parameters
- -----------------
- * mutex_path: string
- The driver holds path to the ACPI mutex for each board (actually,
- the path is mostly identical for them). If ASUS changes this path
- in a future BIOS update, this parameter can be used to override
- the stored in the driver value until it gets updated.
- A special string ":GLOBAL_LOCK" can be passed to use the ACPI
- global lock instead of a dedicated mutex.
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