blob: 8c2a0470996f5bcd932213058d6de92b6ccbad34 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#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 fan runs at 25KHz and 3-wire fan 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