Zephyr API Documentation
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A Scalable Open Source RTOS
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max31790.h
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/*
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* Copyright (c) 2024 SILA Embedded Solutions GmbH
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DRIVERS_MFD_MAX31790_H_
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#define ZEPHYR_INCLUDE_DRIVERS_MFD_MAX31790_H_
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#include <
zephyr/sys/util.h
>
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#include <
zephyr/sys/util_macro.h
>
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#define MAX31790_OSCILLATOR_FREQUENCY_IN_HZ 32768
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#define MAX31790_PWMTARGETDUTYCYCLE_MAXIMUM ((1 << 9) - 1)
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#define MAX31790_TACHTARGETCOUNT_MAXIMUM ((1 << 11) - 1)
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#define MAX31790_CHANNEL_COUNT 6
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#define MAX31790_RESET_TIMEOUT_IN_US 1000
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#define MAX37190_REGISTER_GLOBALCONFIGURATION 0x00
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#define MAX37190_REGISTER_PWMFREQUENCY 0x01
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#define MAX37190_REGISTER_FANCONFIGURATION(channel) (0x02 + channel)
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#define MAX31790_REGISTER_FANDYNAMICS(channel) (0x08 + channel)
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#define MAX37190_REGISTER_FANFAULTSTATUS1 0x11
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#define MAX37190_REGISTER_TACHCOUNTMSB(channel) (0x18 + 2 * channel)
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#define MAX31790_REGISTER_PWMOUTTARGETDUTYCYCLEMSB(channel) (0x40 + 2 * channel)
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#define MAX31790_REGISTER_TACHTARGETCOUNTMSB(channel) (0x50 + 2 * channel)
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#define MAX37190_GLOBALCONFIGURATION_STANDBY_BIT BIT(7)
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#define MAX37190_GLOBALCONFIGURATION_RESET_BIT BIT(6)
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#define MAX37190_GLOBALCONFIGURATION_BUSTIMEOUT_BIT BIT(5)
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#define MAX37190_GLOBALCONFIGURATION_OSCILLATORSELECTION_BIT BIT(3)
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#define MAX37190_GLOBALCONFIGURATION_I2CWATCHDOGSTATUS_BIT BIT(0)
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#define MAX37190_FANXCONFIGURATION_MONITOR_BIT BIT(4)
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#define MAX37190_FANXCONFIGURATION_TACHINPUTENABLED_BIT BIT(3)
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#define MAX37190_FANXCONFIGURATION_LOCKEDROTOR_BIT BIT(2)
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#define MAX37190_FANXCONFIGURATION_LOCKEDROTORPOLARITY_BIT BIT(1)
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#define MAX37190_FANXCONFIGURATION_TACH_BIT BIT(0)
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#define MAX37190_FANXCONFIGURATION_MODE_BIT BIT(7)
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#define MAX37190_FANXDYNAMICS_ASYMMETRICRATEOFCHANGE_BIT BIT(1)
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#define MAX37190_GLOBALCONFIGURATION_I2CWATCHDOG_LENGTH 2
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#define MAX37190_GLOBALCONFIGURATION_I2CWATCHDOG_POS 1
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#define MAX37190_FANXDYNAMICS_SPEEDRANGE_LENGTH 3
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#define MAX37190_FANXDYNAMICS_SPEEDRANGE_POS 5
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#define MAX37190_FANXDYNAMICS_PWMRATEOFCHANGE_LENGTH 3
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#define MAX37190_FANXDYNAMICS_PWMRATEOFCHANGE_POS 2
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#define MAX37190_PWMFREQUENCY_PWM_LENGTH 4
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#define MAX37190_PWMFREQUENCY_PWM4TO6_POS 4
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#define MAX37190_PWMFREQUENCY_PWM1TO3_LENGTH 4
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#define MAX37190_PWMFREQUENCY_PWM1TO3_POS 0
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#define MAX37190_FANXCONFIGURATION_SPINUP_LENGTH 2
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#define MAX37190_FANXCONFIGURATION_SPINUP_POS 5
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#define MAX31790_FANXDYNAMCIS_SPEED_RANGE_GET(value) \
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FIELD_GET(GENMASK(MAX37190_FANXDYNAMICS_SPEEDRANGE_LENGTH + \
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MAX37190_FANXDYNAMICS_SPEEDRANGE_POS - 1, \
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MAX37190_FANXDYNAMICS_SPEEDRANGE_POS), \
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value)
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#define MAX31790_FLAG_SPEED_RANGE_GET(flags) \
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FIELD_GET(GENMASK(MAX37190_FANXDYNAMICS_SPEEDRANGE_LENGTH + \
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PWM_MAX31790_FLAG_SPEED_RANGE_POS - 1, \
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PWM_MAX31790_FLAG_SPEED_RANGE_POS), \
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flags)
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#define MAX31790_FLAG_PWM_RATE_OF_CHANGE_GET(flags) \
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FIELD_GET(GENMASK(MAX37190_FANXDYNAMICS_PWMRATEOFCHANGE_LENGTH + \
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PWM_MAX31790_FLAG_PWM_RATE_OF_CHANGE_POS - 1, \
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PWM_MAX31790_FLAG_PWM_RATE_OF_CHANGE_POS), \
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flags)
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#endif
/* ZEPHYR_INCLUDE_DRIVERS_MFD_MAX31790_H_ */
util.h
Misc utilities.
util_macro.h
Macro utilities.
zephyr
drivers
mfd
max31790.h
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