1 /* 2 * Copyright (c) 2024 SILA Embedded Solutions GmbH 3 * SPDX-License-Identifier: Apache-2.0 4 */ 5 6 #ifndef ZEPHYR_INCLUDE_DRIVERS_MFD_MAX31790_H_ 7 #define ZEPHYR_INCLUDE_DRIVERS_MFD_MAX31790_H_ 8 9 #include <zephyr/sys/util.h> 10 #include <zephyr/sys/util_macro.h> 11 12 #define MAX31790_OSCILLATOR_FREQUENCY_IN_HZ 32768 13 #define MAX31790_PWMTARGETDUTYCYCLE_MAXIMUM ((1 << 9) - 1) 14 #define MAX31790_TACHTARGETCOUNT_MAXIMUM ((1 << 11) - 1) 15 #define MAX31790_CHANNEL_COUNT 6 16 #define MAX31790_RESET_TIMEOUT_IN_US 1000 17 18 #define MAX37190_REGISTER_GLOBALCONFIGURATION 0x00 19 #define MAX37190_REGISTER_PWMFREQUENCY 0x01 20 #define MAX37190_REGISTER_FANCONFIGURATION(channel) (0x02 + channel) 21 #define MAX31790_REGISTER_FANDYNAMICS(channel) (0x08 + channel) 22 #define MAX37190_REGISTER_FANFAULTSTATUS1 0x11 23 #define MAX37190_REGISTER_TACHCOUNTMSB(channel) (0x18 + 2 * channel) 24 #define MAX31790_REGISTER_PWMOUTTARGETDUTYCYCLEMSB(channel) (0x40 + 2 * channel) 25 #define MAX31790_REGISTER_TACHTARGETCOUNTMSB(channel) (0x50 + 2 * channel) 26 27 #define MAX37190_GLOBALCONFIGURATION_STANDBY_BIT BIT(7) 28 #define MAX37190_GLOBALCONFIGURATION_RESET_BIT BIT(6) 29 #define MAX37190_GLOBALCONFIGURATION_BUSTIMEOUT_BIT BIT(5) 30 #define MAX37190_GLOBALCONFIGURATION_OSCILLATORSELECTION_BIT BIT(3) 31 #define MAX37190_GLOBALCONFIGURATION_I2CWATCHDOGSTATUS_BIT BIT(0) 32 #define MAX37190_FANXCONFIGURATION_MONITOR_BIT BIT(4) 33 #define MAX37190_FANXCONFIGURATION_TACHINPUTENABLED_BIT BIT(3) 34 #define MAX37190_FANXCONFIGURATION_LOCKEDROTOR_BIT BIT(2) 35 #define MAX37190_FANXCONFIGURATION_LOCKEDROTORPOLARITY_BIT BIT(1) 36 #define MAX37190_FANXCONFIGURATION_TACH_BIT BIT(0) 37 #define MAX37190_FANXCONFIGURATION_MODE_BIT BIT(7) 38 #define MAX37190_FANXDYNAMICS_ASYMMETRICRATEOFCHANGE_BIT BIT(1) 39 40 #define MAX37190_GLOBALCONFIGURATION_I2CWATCHDOG_LENGTH 2 41 #define MAX37190_GLOBALCONFIGURATION_I2CWATCHDOG_POS 1 42 #define MAX37190_FANXDYNAMICS_SPEEDRANGE_LENGTH 3 43 #define MAX37190_FANXDYNAMICS_SPEEDRANGE_POS 5 44 #define MAX37190_FANXDYNAMICS_PWMRATEOFCHANGE_LENGTH 3 45 #define MAX37190_FANXDYNAMICS_PWMRATEOFCHANGE_POS 2 46 #define MAX37190_PWMFREQUENCY_PWM_LENGTH 4 47 #define MAX37190_PWMFREQUENCY_PWM4TO6_POS 4 48 #define MAX37190_PWMFREQUENCY_PWM1TO3_LENGTH 4 49 #define MAX37190_PWMFREQUENCY_PWM1TO3_POS 0 50 #define MAX37190_FANXCONFIGURATION_SPINUP_LENGTH 2 51 #define MAX37190_FANXCONFIGURATION_SPINUP_POS 5 52 53 #define MAX31790_FANXDYNAMCIS_SPEED_RANGE_GET(value) \ 54 FIELD_GET(GENMASK(MAX37190_FANXDYNAMICS_SPEEDRANGE_LENGTH + \ 55 MAX37190_FANXDYNAMICS_SPEEDRANGE_POS - 1, \ 56 MAX37190_FANXDYNAMICS_SPEEDRANGE_POS), \ 57 value) 58 59 #define MAX31790_FLAG_SPEED_RANGE_GET(flags) \ 60 FIELD_GET(GENMASK(MAX37190_FANXDYNAMICS_SPEEDRANGE_LENGTH + \ 61 PWM_MAX31790_FLAG_SPEED_RANGE_POS - 1, \ 62 PWM_MAX31790_FLAG_SPEED_RANGE_POS), \ 63 flags) 64 #define MAX31790_FLAG_PWM_RATE_OF_CHANGE_GET(flags) \ 65 FIELD_GET(GENMASK(MAX37190_FANXDYNAMICS_PWMRATEOFCHANGE_LENGTH + \ 66 PWM_MAX31790_FLAG_PWM_RATE_OF_CHANGE_POS - 1, \ 67 PWM_MAX31790_FLAG_PWM_RATE_OF_CHANGE_POS), \ 68 flags) 69 70 #endif /* ZEPHYR_INCLUDE_DRIVERS_MFD_MAX31790_H_ */ 71
