pmbus.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef PMBUS_H
#define PMBUS_H
 
#include "../../zephyr/include/sys/util.h"
 
enum PMBUS_PAGE_NUM {
    PMBUS_PAGE_0,
    PMBUS_PAGE_1,
    PMBUS_PAGE_2,
    PMBUS_PAGE_3,
};
 
enum pmbus_regs {
    PMBUS_PAGE = 0x00,
    PMBUS_OPERATION = 0x01,
    PMBUS_ON_OFF_CONFIG = 0x02,
    PMBUS_CLEAR_FAULTS = 0x03,
    PMBUS_PHASE = 0x04,
    PMBUS_PAGE_PLUS_WRITE = 0x05,
    PMBUS_PAGE_PLUS_READ = 0x06,
 
    PMBUS_WRITE_PROTECT = 0x10,
 
    PMBUS_CAPABILITY = 0x19,
    PMBUS_QUERY = 0x1A,
 
    PMBUS_VOUT_MODE = 0x20,
    PMBUS_VOUT_COMMAND = 0x21,
    PMBUS_VOUT_TRIM = 0x22,
    PMBUS_VOUT_CAL_OFFSET = 0x23,
    PMBUS_VOUT_MAX = 0x24,
    PMBUS_VOUT_MARGIN_HIGH = 0x25,
    PMBUS_VOUT_MARGIN_LOW = 0x26,
    PMBUS_VOUT_TRANSITION_RATE = 0x27,
    PMBUS_VOUT_DROOP = 0x28,
    PMBUS_VOUT_SCALE_LOOP = 0x29,
    PMBUS_VOUT_SCALE_MONITOR = 0x2A,
 
    PMBUS_COEFFICIENTS = 0x30,
    PMBUS_POUT_MAX = 0x31,
 
    PMBUS_IOUT_CAL_GAIN = 0x38,
 
    PMBUS_FAN_CONFIG_12 = 0x3A,
    PMBUS_FAN_COMMAND_1 = 0x3B,
    PMBUS_FAN_COMMAND_2 = 0x3C,
    PMBUS_FAN_CONFIG_34 = 0x3D,
    PMBUS_FAN_COMMAND_3 = 0x3E,
    PMBUS_FAN_COMMAND_4 = 0x3F,
 
    PMBUS_VOUT_OV_FAULT_LIMIT = 0x40,
    PMBUS_VOUT_OV_FAULT_RESPONSE = 0x41,
    PMBUS_VOUT_OV_WARN_LIMIT = 0x42,
    PMBUS_VOUT_UV_WARN_LIMIT = 0x43,
    PMBUS_VOUT_UV_FAULT_LIMIT = 0x44,
    PMBUS_VOUT_UV_FAULT_RESPONSE = 0x45,
    PMBUS_IOUT_OC_FAULT_LIMIT = 0x46,
    PMBUS_IOUT_OC_FAULT_RESPONSE = 0x47,
    PMBUS_IOUT_OC_LV_FAULT_LIMIT = 0x48,
    PMBUS_IOUT_OC_LV_FAULT_RESPONSE = 0x49,
    PMBUS_IOUT_OC_WARN_LIMIT = 0x4A,
    PMBUS_IOUT_UC_FAULT_LIMIT = 0x4B,
    PMBUS_IOUT_UC_FAULT_RESPONSE = 0x4C,
 
    PMBUS_OT_FAULT_LIMIT = 0x4F,
    PMBUS_OT_FAULT_RESPONSE = 0x50,
    PMBUS_OT_WARN_LIMIT = 0x51,
    PMBUS_UT_WARN_LIMIT = 0x52,
    PMBUS_UT_FAULT_LIMIT = 0x53,
    PMBUS_UT_FAULT_RESPONSE = 0x54,
    PMBUS_VIN_OV_FAULT_LIMIT = 0x55,
    PMBUS_VIN_OV_FAULT_RESPONSE = 0x56,
    PMBUS_VIN_OV_WARN_LIMIT = 0x57,
    PMBUS_VIN_UV_WARN_LIMIT = 0x58,
    PMBUS_VIN_UV_FAULT_LIMIT = 0x59,
 
    PMBUS_IIN_OC_FAULT_LIMIT = 0x5B,
    PMBUS_IIN_OC_WARN_LIMIT = 0x5D,
 
    PMBUS_POUT_OP_FAULT_LIMIT = 0x68,
    PMBUS_POUT_OP_FAULT_RESPONSE = 0x69,
    PMBUS_POUT_OP_WARN_LIMIT = 0x6A,
    PMBUS_PIN_OP_WARN_LIMIT = 0x6B,
 
    PMBUS_STATUS_BYTE = 0x78,
    PMBUS_STATUS_WORD = 0x79,
    PMBUS_STATUS_VOUT = 0x7A,
    PMBUS_STATUS_IOUT = 0x7B,
    PMBUS_STATUS_INPUT = 0x7C,
    PMBUS_STATUS_TEMPERATURE = 0x7D,
    PMBUS_STATUS_CML = 0x7E,
    PMBUS_STATUS_OTHER = 0x7F,
    PMBUS_STATUS_MFR_SPECIFIC = 0x80,
    PMBUS_STATUS_FAN_12 = 0x81,
    PMBUS_STATUS_FAN_34 = 0x82,
 
    PMBUS_READ_EIN = 0x86,
    PMBUS_READ_VIN = 0x88,
    PMBUS_READ_IIN = 0x89,
    PMBUS_READ_VCAP = 0x8A,
    PMBUS_READ_VOUT = 0x8B,
    PMBUS_READ_IOUT = 0x8C,
    PMBUS_READ_TEMPERATURE_1 = 0x8D,
    PMBUS_READ_TEMPERATURE_2 = 0x8E,
    PMBUS_READ_TEMPERATURE_3 = 0x8F,
    PMBUS_READ_FAN_SPEED_1 = 0x90,
    PMBUS_READ_FAN_SPEED_2 = 0x91,
    PMBUS_READ_FAN_SPEED_3 = 0x92,
    PMBUS_READ_FAN_SPEED_4 = 0x93,
    PMBUS_READ_DUTY_CYCLE = 0x94,
    PMBUS_READ_FREQUENCY = 0x95,
    PMBUS_READ_POUT = 0x96,
    PMBUS_READ_PIN = 0x97,
 
    PMBUS_REVISION = 0x98,
    PMBUS_MFR_ID = 0x99,
    PMBUS_MFR_MODEL = 0x9A,
    PMBUS_MFR_REVISION = 0x9B,
    PMBUS_MFR_LOCATION = 0x9C,
    PMBUS_MFR_DATE = 0x9D,
    PMBUS_MFR_SERIAL = 0x9E,
 
    PMBUS_MFR_VIN_MIN = 0xA0,
    PMBUS_MFR_VIN_MAX = 0xA1,
    PMBUS_MFR_IIN_MAX = 0xA2,
    PMBUS_MFR_PIN_MAX = 0xA3,
    PMBUS_MFR_VOUT_MIN = 0xA4,
    PMBUS_MFR_VOUT_MAX = 0xA5,
    PMBUS_MFR_IOUT_MAX = 0xA6,
    PMBUS_MFR_POUT_MAX = 0xA7,
 
    PMBUS_IC_DEVICE_ID = 0xAD,
    PMBUS_IC_DEVICE_REV = 0xAE,
 
    PMBUS_MFR_MAX_TEMP_1 = 0xC0,
    PMBUS_MFR_MAX_TEMP_2 = 0xC1,
    PMBUS_MFR_MAX_TEMP_3 = 0xC2,
};
 
enum PMBUS_STATUS_REG_BIT {
    PMBUS_NO_LISTED_FAULT = BIT(0),
    PMBUS_CML_FAULT = BIT(1),
    PMBUS_TEMPERATURE_WARNING_FAULT = BIT(2),
    PMBUS_UNDER_VOLTAGE_FAULT = BIT(3),
    PMBUS_OVER_CURRENT_FAULT = BIT(4),
    PMBUS_OVER_VOLTAGE_FAULT = BIT(5),
    PMBUS_POWER_OFF_FAULT = BIT(6),
    PMBUS_POWER_GOOD_FAULT = BIT(11),
    PMBUS_MFR_SPECIFIC_FAULT = BIT(12),
    PMBUS_INPUT_VOLTAGE_FAULT = BIT(13),
    PMBUS_OUTPUT_CURRENT_WARNING_FAULT = BIT(14),
    PMBUS_OUTPUT_VOLTAGE_WARNING_FAULT = BIT(15),
};
 
#endif