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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018 Intel Corporation */
#ifndef __PECI_HWMON_H
#define __PECI_HWMON_H
#include <linux/peci.h>
#define TEMP_TYPE_PECI 6 /* Sensor type 6: Intel PECI */
#define UPDATE_INTERVAL HZ
/**
* struct temp_data - PECI temperature information
* @valid: flag to indicate the temperature value is valid
* @value: temperature value in millidegree Celsius
* @last_updated: time of the last update in jiffies
*/
struct temp_data {
uint valid;
s32 value;
ulong last_updated;
};
/**
* peci_temp_need_update - check whether temperature update is needed or not
* @temp: pointer to temperature data struct
*
* Return: true if update is needed, false if not.
*/
static inline bool peci_temp_need_update(struct temp_data *temp)
{
if (temp->valid &&
time_before(jiffies, temp->last_updated + UPDATE_INTERVAL))
return false;
return true;
}
/**
* peci_temp_mark_updated - mark the temperature is updated
* @temp: pointer to temperature data struct
*/
static inline void peci_temp_mark_updated(struct temp_data *temp)
{
temp->valid = 1;
temp->last_updated = jiffies;
}
#endif /* __PECI_HWMON_H */
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