| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| #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 |