fan.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef _SB800_FAN_H_
#define _SB800_FAN_H_
 
#include <device/device.h>
 
void init_sb800_IMC_fans(struct device *dev);
void init_sb800_MANUAL_fans(struct device *dev);
 
/* 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