linux/drivers/powercap/dtpm_devfreq.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright 2021 Linaro Limited
 *
 * Author: Daniel Lezcano <[email protected]>
 *
 * The devfreq device combined with the energy model and the load can
 * give an estimation of the power consumption as well as limiting the
 * power.
 *
 */
#define pr_fmt(fmt) …

#include <linux/cpumask.h>
#include <linux/devfreq.h>
#include <linux/dtpm.h>
#include <linux/energy_model.h>
#include <linux/of.h>
#include <linux/pm_qos.h>
#include <linux/slab.h>
#include <linux/units.h>

struct dtpm_devfreq { … };

static struct dtpm_devfreq *to_dtpm_devfreq(struct dtpm *dtpm)
{ … }

static int update_pd_power_uw(struct dtpm *dtpm)
{ … }

static u64 set_pd_power_limit(struct dtpm *dtpm, u64 power_limit)
{ … }

static void _normalize_load(struct devfreq_dev_status *status)
{ … }

static u64 get_pd_power_uw(struct dtpm *dtpm)
{ … }

static void pd_release(struct dtpm *dtpm)
{ … }

static struct dtpm_ops dtpm_ops = …;

static int __dtpm_devfreq_setup(struct devfreq *devfreq, struct dtpm *parent)
{ … }

static int dtpm_devfreq_setup(struct dtpm *dtpm, struct device_node *np)
{ … }

struct dtpm_subsys_ops dtpm_devfreq_ops = …;