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/*
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _GOVERNOR_CACHE_HWMON_H
#define _GOVERNOR_CACHE_HWMON_H
#include <linux/kernel.h>
#include <linux/devfreq.h>
struct mrps_stats {
unsigned long high;
unsigned long med;
unsigned long low;
unsigned int busy_percent;
};
struct cache_hwmon {
int (*start_hwmon)(struct devfreq *df, struct mrps_stats *mrps);
void (*stop_hwmon)(struct devfreq *df);
bool (*is_valid_irq)(struct devfreq *df);
unsigned long (*meas_mrps_and_set_irq)(struct devfreq *df,
unsigned int tol, unsigned int us,
struct mrps_stats *mrps);
int irq;
};
#ifdef CONFIG_DEVFREQ_GOV_MSM_CACHE_HWMON
int register_cache_hwmon(struct cache_hwmon *hwmon);
#else
static inline int register_cache_hwmon(struct cache_hwmon *hwmon)
{
return 0;
}
#endif
#endif /* _GOVERNOR_CACHE_HWMON_H */
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