pmic.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 PMIC_H
#define PMIC_H
 
#include <stdio.h>
#include <stdint.h>
#include <string.h>
 
//Memory write read request max data len
#define MAX_MEMORY_DATA 32
 
//PMIC write/read data len
#define PMIC_WRITE_DATA_LEN 14
#define PMIC_READ_DATA_LEN 12
 
//PMIC write/read memory command
#define CMD_SMBUS_READ_MEMORY 0x47
#define CMD_SMBUS_WRITE_MEMORY 0x48
 
//PMIC report power/total mode setting
#define SET_DEV_REPORT_POWER 0x45
#define SET_DEV_REPORT_TOTAL 0xC2
 
//PMIC total/power/ADC/record register address value
#define PMIC_TOTAL_INDIV_ADDR_VAL 0x0000001A
#define PMIC_PWR_CURR_ADDR_VAL 0x0000001B
#define PMIC_ADC_ADDR_VAL 0x00000030
#define PMIC_SWA_ADDR_VAL 0x0000000C
#define PMIC_POR_ERROR_LOG_ADDR_VAL 0x00000005
 
//PMIC enable ADC bit
#define PMIC_ENABLE_ADC_BIT BIT(7)
 
//PMIC PMIC setting delay msec
#define PMIC_COMMAND_DELAY_MSEC 250
 
//Send PMIC memory write read parameter
#define INTEL_ID 0x00000157
#define PMIC_ADDR_SIZE 0x1
#define PMIC_DATA_LEN 0x1
 
//PMIC total power uint
#define PMIC_TOTAL_POWER_MW 125
 
typedef struct _memory_write_read_req_ {
    uint32_t intel_id;
    uint8_t smbus_identifier;
    uint8_t smbus_address;
    uint8_t addr_size;
    uint8_t data_len;
    uint32_t addr_value;
    uint8_t write_data[MAX_MEMORY_DATA];
} memory_write_read_req;
 
extern uint8_t *compose_memory_write_read_req(uint8_t smbus_identifier, uint8_t smbus_address,
                          uint32_t addr_value, uint8_t *write_data,
                          uint8_t write_len);
extern int pmic_ipmb_transfer(int *total_pmic_power, uint8_t seq_source, uint8_t netFn,
                  uint8_t command, uint8_t source_inft, uint8_t target_inft,
                  uint16_t data_len, uint8_t *data);
int pal_set_pmic_error_flag(uint8_t dimm_id, uint8_t error_type);
 
#endif