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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 Sage Electronic Engineering, LLC
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
#ifndef _SB800_FAN_H_
#define _SB800_FAN_H_
#ifndef __PRE_RAM__
void init_sb800_IMC_fans(device_t dev);
void init_sb800_MANUAL_fans(device_t dev);
#endif
/* Fan Register Definitions */
#define FAN_0_OFFSET 0x00
#define FAN_1_OFFSET 0x10
#define FAN_2_OFFSET 0x20
#define FAN_3_OFFSET 0x30
#define FAN_4_OFFSET 0x40
#define FAN_INPUT_CONTROL_REG 0x00
#define FAN_CONTROL_REG 0x01
#define FAN_FREQUENCY_REG 0x02
#define FAN_LOW_DUTY_REG 0x03
#define FAN_MED_DUTY_REG 0x04
#define FAN_MULTIPLIER_REG 0x05
#define FAN_LOW_TEMP_LO_REG 0x06
#define FAN_LOW_TEMP_HI_REG 0x07
#define FAN_MED_TEMP_LO_REG 0x08
#define FAN_MED_TEMP_HI_REG 0x09
#define FAN_HIGH_TEMP_LO_REG 0x0A
#define FAN_HIGH_TEMP_HI_REG 0x0B
#define FAN_LINEAR_RANGE_REG 0x0C
#define FAN_LINEAR_HOLD_REG 0x0D
/* FanXInputControl Definitions */
#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
/* FanXControl Definitions */
#define FAN_AUTOMODE (1 << 0)
#define FAN_LINEARMODE (1 << 1)
#define FAN_STEPMODE 0 /* ~(1 << 1) */
#define FAN_POLARITY_HIGH (1 << 2)
#define FAN_POLARITY_LOW 0 /*~(1 << 2) */
/* FanXLowDuty Definitions */
#define FAN_POLARITY_HIGH_MAX_SPEED 0xff
#define FAN_POLARITY_LOW_MAX_SPEED 0x00
/* FanXFreq Definitions */
/* Typically, fans run at 25KHz */
#define FREQ_28KHZ 0x0
#define FREQ_25KHZ 0x1
#define FREQ_23KHZ 0x2
#define FREQ_21KHZ 0x3
#define FREQ_29KHZ 0x4
#define FREQ_18KHZ 0x5
/* Any value > 05h and < F7: Freq = 1/(FreqDiv * 2048 * 15ns) */
#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
/* IMC Fan Control Definitions */
#define IMC_MODE1_FAN_ENABLED ( 1 << 0 )
#define IMC_MODE1_FAN_IMC_CONTROLLED ( 1 << 2 )
#define IMC_MODE1_FAN_LINEAR_MODE ( 1 << 4 )
#define IMC_MODE1_FAN_STEP_MODE 0 /* ~( 1 << 4 ) */
#define IMC_MODE1_NO_FANOUT 0 /* ~( 7 << 5 ) */
#define IMC_MODE1_FANOUT0 ( 1 << 5 )
#define IMC_MODE1_FANOUT1 ( 2 << 5 )
#define IMC_MODE1_FANOUT2 ( 3 << 5 )
#define IMC_MODE1_FANOUT3 ( 4 << 5 )
#define IMC_MODE1_FANOUT4 ( 5 << 5 )
#define IMC_MODE2_TEMPIN_NONE 0 /* ~( 7 << 0) */
#define IMC_MODE2_TEMPIN_0 1
#define IMC_MODE2_TEMPIN_1 2
#define IMC_MODE2_TEMPIN_2 3
#define IMC_MODE2_TEMPIN_3 4
#define IMC_MODE2_INT_TEMPIN 5
#define IMC_MODE2_TEMPIN_SB_TSI 6
#define IMC_MODE2_TEMPIN_OTHER 7
#define IMC_MODE2_FANIN_NONE 0 /* ~ (7 << 3) */
#define IMC_MODE2_FANIN0 ( 1 << 3 )
#define IMC_MODE2_FANIN1 ( 2 << 3 )
#define IMC_MODE2_FANIN2 ( 3 << 3 )
#define IMC_MODE2_FANIN3 ( 4 << 3 )
#define IMC_MODE2_FANIN4 ( 5 << 3 )
#define IMC_MODE2_TEMP_AVERAGING_ENABLED ( 1 << 6 )
#define IMC_MODE2_TEMP_AVERAGING_DISABLED 0 /* ~( 1 << 6 ) */
#define IMC_TEMP_SENSOR_ON_SMBUS_0 0
#define IMC_TEMP_SENSOR_ON_SMBUS_2 1
#define IMC_TEMP_SENSOR_ON_SMBUS_3 2
#define IMC_TEMP_SENSOR_ON_SMBUS_4 3
#define IMC_ZONE0 0
#define IMC_ZONE1 1
#define IMC_ZONE2 2
#define IMC_ZONE3 3
#define IMC_ZONE4 4
#define IMC_TEMPIN_TUNING_DEFAULT_MODE 0
#define IMC_TEMPIN_TUNING_HIGH_CURRENT_RATIO 1
#define IMC_TEMPIN_TUNING_HIGH_CURRENT 2
#define IMC_TEMPIN_TUNING_DISABLE_FILTERING ( 1 << 2 )
/* IMCFUNSupportBitMap - Zone enable values */
#define IMC_ENABLE_ZONE0 0x111
#define IMC_ENABLE_ZONE1 0x222
#define IMC_ENABLE_ZONE2 0x333
#define IMC_ENABLE_ZONE3 0x444
#define IMC_ENABLE_TEMPIN0 ( 1 << 12 )
#define IMC_ENABLE_TEMPIN1 ( 1 << 13 )
#define IMC_ENABLE_TEMPIN2 ( 1 << 14 )
#define IMC_ENABLE_TEMPIN3 ( 1 << 15 )
/* Array size settings */
#define IMC_FAN_THRESHOLD_COUNT 9
#define IMC_FAN_SPEED_COUNT 8
#define IMC_FAN_CONFIG_COUNT 8
#define FAN_REGISTER_COUNT 15
#endif
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