Line data    Source code

       1            0 : /*
       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            0 : #define MAX31790_OSCILLATOR_FREQUENCY_IN_HZ 32768
      13            0 : #define MAX31790_PWMTARGETDUTYCYCLE_MAXIMUM ((1 << 9) - 1)
      14            0 : #define MAX31790_TACHTARGETCOUNT_MAXIMUM    ((1 << 11) - 1)
      15            0 : #define MAX31790_CHANNEL_COUNT              6
      16            0 : #define MAX31790_RESET_TIMEOUT_IN_US        1000
      17              : 
      18            0 : #define MAX37190_REGISTER_GLOBALCONFIGURATION               0x00
      19            0 : #define MAX37190_REGISTER_PWMFREQUENCY                      0x01
      20            0 : #define MAX37190_REGISTER_FANCONFIGURATION(channel)         (0x02 + channel)
      21            0 : #define MAX31790_REGISTER_FANDYNAMICS(channel)              (0x08 + channel)
      22            0 : #define MAX37190_REGISTER_FANFAULTSTATUS1                   0x11
      23            0 : #define MAX37190_REGISTER_TACHCOUNTMSB(channel)             (0x18 + 2 * channel)
      24            0 : #define MAX31790_REGISTER_PWMOUTTARGETDUTYCYCLEMSB(channel) (0x40 + 2 * channel)
      25            0 : #define MAX31790_REGISTER_TACHTARGETCOUNTMSB(channel)       (0x50 + 2 * channel)
      26              : 
      27            0 : #define MAX37190_GLOBALCONFIGURATION_STANDBY_BIT             BIT(7)
      28            0 : #define MAX37190_GLOBALCONFIGURATION_RESET_BIT               BIT(6)
      29            0 : #define MAX37190_GLOBALCONFIGURATION_BUSTIMEOUT_BIT          BIT(5)
      30            0 : #define MAX37190_GLOBALCONFIGURATION_OSCILLATORSELECTION_BIT BIT(3)
      31            0 : #define MAX37190_GLOBALCONFIGURATION_I2CWATCHDOGSTATUS_BIT   BIT(0)
      32            0 : #define MAX37190_FANXCONFIGURATION_MONITOR_BIT               BIT(4)
      33            0 : #define MAX37190_FANXCONFIGURATION_TACHINPUTENABLED_BIT      BIT(3)
      34            0 : #define MAX37190_FANXCONFIGURATION_LOCKEDROTOR_BIT           BIT(2)
      35            0 : #define MAX37190_FANXCONFIGURATION_LOCKEDROTORPOLARITY_BIT   BIT(1)
      36            0 : #define MAX37190_FANXCONFIGURATION_TACH_BIT                  BIT(0)
      37            0 : #define MAX37190_FANXCONFIGURATION_MODE_BIT                  BIT(7)
      38            0 : #define MAX37190_FANXDYNAMICS_ASYMMETRICRATEOFCHANGE_BIT     BIT(1)
      39              : 
      40            0 : #define MAX37190_GLOBALCONFIGURATION_I2CWATCHDOG_LENGTH 2
      41            0 : #define MAX37190_GLOBALCONFIGURATION_I2CWATCHDOG_POS    1
      42            0 : #define MAX37190_FANXDYNAMICS_SPEEDRANGE_LENGTH         3
      43            0 : #define MAX37190_FANXDYNAMICS_SPEEDRANGE_POS            5
      44            0 : #define MAX37190_FANXDYNAMICS_PWMRATEOFCHANGE_LENGTH    3
      45            0 : #define MAX37190_FANXDYNAMICS_PWMRATEOFCHANGE_POS       2
      46            0 : #define MAX37190_PWMFREQUENCY_PWM_LENGTH                4
      47            0 : #define MAX37190_PWMFREQUENCY_PWM4TO6_POS               4
      48            0 : #define MAX37190_PWMFREQUENCY_PWM1TO3_LENGTH            4
      49            0 : #define MAX37190_PWMFREQUENCY_PWM1TO3_POS               0
      50            0 : #define MAX37190_FANXCONFIGURATION_SPINUP_LENGTH        2
      51            0 : #define MAX37190_FANXCONFIGURATION_SPINUP_POS           5
      52              : 
      53            0 : #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            0 : #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            0 : #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_ */