1 .. SPDX-License-Identifier: GPL-2.0-or-later
3 Kernel driver asus_ec_sensors
4 =================================
10 * ProArt X570-CREATOR WIFI
11 * ProArt X670E-CREATOR WIFI
13 * ROG CROSSHAIR VIII DARK HERO
14 * ROG CROSSHAIR VIII HERO (WI-FI)
15 * ROG CROSSHAIR VIII FORMULA
16 * ROG CROSSHAIR VIII HERO
17 * ROG CROSSHAIR VIII IMPACT
18 * ROG CROSSHAIR X670E HERO
19 * ROG CROSSHAIR X670E GENE
21 * ROG MAXIMUS XI HERO (WI-FI)
22 * ROG STRIX B550-E GAMING
23 * ROG STRIX B550-I GAMING
24 * ROG STRIX X570-E GAMING
25 * ROG STRIX X570-E GAMING WIFI II
26 * ROG STRIX X570-F GAMING
27 * ROG STRIX X570-I GAMING
28 * ROG STRIX Z390-F GAMING
29 * ROG STRIX Z690-A GAMING WIFI D4
30 * ROG ZENITH II EXTREME
31 * ROG ZENITH II EXTREME ALPHA
34 - Eugene Shalygin <eugene.shalygin@gmail.com>
38 ASUS mainboards publish hardware monitoring information via Super I/O
39 chip and the ACPI embedded controller (EC) registers. Some of the sensors
40 are only available via the EC.
42 The driver is aware of and reads the following sensors:
44 1. Chipset (PCH) temperature
45 2. CPU package temperature
46 3. Motherboard temperature
47 4. Readings from the T_Sensor header
50 7. VRM heatsink fan RPM
52 9. Readings from the "Water flow meter" header (RPM)
53 10. Readings from the "Water In" and "Water Out" temperature headers
57 Sensor values are read from EC registers, and to avoid race with the board
58 firmware the driver acquires ACPI mutex, the one used by the WMI when its
59 methods access the EC.
64 The driver holds path to the ACPI mutex for each board (actually,
65 the path is mostly identical for them). If ASUS changes this path
66 in a future BIOS update, this parameter can be used to override
67 the stored in the driver value until it gets updated.
68 A special string ":GLOBAL_LOCK" can be passed to use the ACPI
69 global lock instead of a dedicated mutex.