linux/drivers/ufs/core/ufs-hwmon.c

// SPDX-License-Identifier: GPL-2.0
/*
 * UFS hardware monitoring support
 * Copyright (c) 2021, Western Digital Corporation
 */

#include <linux/hwmon.h>
#include <linux/units.h>

#include <ufs/ufshcd.h>
#include "ufshcd-priv.h"

struct ufs_hwmon_data { … };

static int ufs_read_temp_enable(struct ufs_hba *hba, u8 mask, long *val)
{ … }

static int ufs_get_temp(struct ufs_hba *hba, enum attr_idn idn, long *val)
{ … }

static int ufs_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel,
			  long *val)
{ … }

static int ufs_hwmon_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel,
			   long val)
{ … }

static umode_t ufs_hwmon_is_visible(const void *data,
				    enum hwmon_sensor_types type, u32 attr,
				    int channel)
{ … }

static const struct hwmon_channel_info *const ufs_hwmon_info[] = …;

static const struct hwmon_ops ufs_hwmon_ops = …;

static const struct hwmon_chip_info ufs_hwmon_hba_info = …;

void ufs_hwmon_probe(struct ufs_hba *hba, u8 mask)
{ … }

void ufs_hwmon_remove(struct ufs_hba *hba)
{ … }

void ufs_hwmon_notify_event(struct ufs_hba *hba, u8 ee_mask)
{ … }