1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #define FAN_INPUT_INTERNAL_DIODE 0 4 #define FAN_INPUT_TEMP0 1 5 #define FAN_INPUT_TEMP1 2 6 #define FAN_INPUT_TEMP2 3 7 #define FAN_INPUT_TEMP3 4 8 #define FAN_INPUT_TEMP0_FILTER 5 9 #define FAN_INPUT_ZERO 6 10 #define FAN_INPUT_DISABLED 7 11 12 #define FAN_AUTOMODE (1 << 0) 13 #define FAN_LINEARMODE (1 << 1) 14 #define FAN_STEPMODE ~(1 << 1) 15 #define FAN_POLARITY_HIGH (1 << 2) 16 #define FAN_POLARITY_LOW ~(1 << 2) 17 18 /* Normally, 4-wire fans runs at 25KHz and 3-wire fans runs at 100Hz */ 19 #define FREQ_28KHZ 0x0 20 #define FREQ_25KHZ 0x1 21 #define FREQ_23KHZ 0x2 22 #define FREQ_21KHZ 0x3 23 #define FREQ_29KHZ 0x4 24 #define FREQ_18KHZ 0x5 25 #define FREQ_100HZ 0xF7 26 #define FREQ_87HZ 0xF8 27 #define FREQ_58HZ 0xF9 28 #define FREQ_44HZ 0xFA 29 #define FREQ_35HZ 0xFB 30 #define FREQ_29HZ 0xFC 31 #define FREQ_22HZ 0xFD 32 #define FREQ_14HZ 0xFE 33 #define FREQ_11HZ 0xFF 34