/* SPDX-License-Identifier: GPL-2.0-only */ #define FAN_INPUT_INTERNAL_DIODE 0 #define FAN_INPUT_TEMP0 1 #define FAN_INPUT_TEMP1 2 #define FAN_INPUT_TEMP2 3 #define FAN_INPUT_TEMP3 4 #define FAN_INPUT_TEMP0_FILTER 5 #define FAN_INPUT_ZERO 6 #define FAN_INPUT_DISABLED 7 #define FAN_AUTOMODE (1 << 0) #define FAN_LINEARMODE (1 << 1) #define FAN_STEPMODE ~(1 << 1) #define FAN_POLARITY_HIGH (1 << 2) #define FAN_POLARITY_LOW ~(1 << 2) /* Normally, 4-wire fans runs at 25KHz and 3-wire fans runs at 100Hz */ #define FREQ_28KHZ 0x0 #define FREQ_25KHZ 0x1 #define FREQ_23KHZ 0x2 #define FREQ_21KHZ 0x3 #define FREQ_29KHZ 0x4 #define FREQ_18KHZ 0x5 #define FREQ_100HZ 0xF7 #define FREQ_87HZ 0xF8 #define FREQ_58HZ 0xF9 #define FREQ_44HZ 0xFA #define FREQ_35HZ 0xFB #define FREQ_29HZ 0xFC #define FREQ_22HZ 0xFD #define FREQ_14HZ 0xFE #define FREQ_11HZ 0xFF