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