linux/drivers/thermal/renesas/rzg2l_thermal.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Renesas RZ/G2L TSU Thermal Sensor Driver
 *
 * Copyright (C) 2021 Renesas Electronics Corporation
 */
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/math.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/reset.h>
#include <linux/thermal.h>
#include <linux/units.h>

#include "../thermal_hwmon.h"

#define CTEMP_MASK …

/* default calibration values, if FUSE values are missing */
#define SW_CALIB0_VAL …
#define SW_CALIB1_VAL …

/* Register offsets */
#define TSU_SM …
#define TSU_ST …
#define TSU_SAD …
#define TSU_SS …

#define OTPTSUTRIM_REG(n) …
#define OTPTSUTRIM_EN_MASK …
#define OTPTSUTRIM_MASK …

/* Sensor Mode Register(TSU_SM) */
#define TSU_SM_EN_TS …
#define TSU_SM_ADC_EN_TS …
#define TSU_SM_NORMAL_MODE …

/* TSU_ST bits */
#define TSU_ST_START …

#define TSU_SS_CONV_RUNNING …

#define TS_CODE_AVE_SCALE(x) …
#define MCELSIUS(temp) …
#define TS_CODE_CAP_TIMES …

#define RZG2L_THERMAL_GRAN …
#define RZG2L_TSU_SS_TIMEOUT_US …

#define CURVATURE_CORRECTION_CONST …

struct rzg2l_thermal_priv { … };

static inline u32 rzg2l_thermal_read(struct rzg2l_thermal_priv *priv, u32 reg)
{ … }

static inline void rzg2l_thermal_write(struct rzg2l_thermal_priv *priv, u32 reg,
				       u32 data)
{ … }

static int rzg2l_thermal_get_temp(struct thermal_zone_device *tz, int *temp)
{ … }

static const struct thermal_zone_device_ops rzg2l_tz_of_ops = …;

static int rzg2l_thermal_init(struct rzg2l_thermal_priv *priv)
{ … }

static void rzg2l_thermal_reset_assert_pm_disable_put(struct platform_device *pdev)
{ … }

static void rzg2l_thermal_remove(struct platform_device *pdev)
{ … }

static int rzg2l_thermal_probe(struct platform_device *pdev)
{ … }

static const struct of_device_id rzg2l_thermal_dt_ids[] = …;
MODULE_DEVICE_TABLE(of, rzg2l_thermal_dt_ids);

static struct platform_driver rzg2l_thermal_driver = …;
module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;