linux/drivers/thermal/uniphier_thermal.c

// SPDX-License-Identifier: GPL-2.0
/*
 * uniphier_thermal.c - Socionext UniPhier thermal driver
 * Copyright 2014      Panasonic Corporation
 * Copyright 2016-2017 Socionext Inc.
 * Author:
 *	Kunihiko Hayashi <[email protected]>
 */

#include <linux/bitops.h>
#include <linux/interrupt.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/thermal.h>

/*
 * block registers
 * addresses are the offset from .block_base
 */
#define PVTCTLEN …
#define PVTCTLEN_EN …

#define PVTCTLMODE …
#define PVTCTLMODE_MASK …
#define PVTCTLMODE_TEMPMON …

#define EMONREPEAT …
#define EMONREPEAT_ENDLESS …
#define EMONREPEAT_PERIOD …
#define EMONREPEAT_PERIOD_1000000 …

/*
 * common registers
 * addresses are the offset from .map_base
 */
#define PVTCTLSEL …
#define PVTCTLSEL_MASK …
#define PVTCTLSEL_MONITOR …

#define SETALERT0 …
#define SETALERT1 …
#define SETALERT2 …
#define SETALERT_TEMP_OVF …
#define SETALERT_TEMP_OVF_VALUE(val) …
#define SETALERT_EN …

#define PMALERTINTCTL …
#define PMALERTINTCTL_CLR(ch) …
#define PMALERTINTCTL_SET(ch) …
#define PMALERTINTCTL_EN(ch) …
#define PMALERTINTCTL_MASK …

#define TMOD …
#define TMOD_WIDTH …

#define TMODCOEF …

#define TMODSETUP0_EN …
#define TMODSETUP0_VAL(val) …
#define TMODSETUP1_EN …
#define TMODSETUP1_VAL(val) …

/* SoC critical temperature */
#define CRITICAL_TEMP_LIMIT …

/* Max # of alert channels */
#define ALERT_CH_NUM …

/* SoC specific thermal sensor data */
struct uniphier_tm_soc_data { … };

struct uniphier_tm_dev { … };

static int uniphier_tm_initialize_sensor(struct uniphier_tm_dev *tdev)
{ … }

static void uniphier_tm_set_alert(struct uniphier_tm_dev *tdev, u32 ch,
				  u32 temp)
{ … }

static void uniphier_tm_enable_sensor(struct uniphier_tm_dev *tdev)
{ … }

static void uniphier_tm_disable_sensor(struct uniphier_tm_dev *tdev)
{ … }

static int uniphier_tm_get_temp(struct thermal_zone_device *tz, int *out_temp)
{ … }

static const struct thermal_zone_device_ops uniphier_of_thermal_ops = …;

static void uniphier_tm_irq_clear(struct uniphier_tm_dev *tdev)
{ … }

static irqreturn_t uniphier_tm_alarm_irq(int irq, void *_tdev)
{ … }

static irqreturn_t uniphier_tm_alarm_irq_thread(int irq, void *_tdev)
{ … }

struct trip_walk_data { … };

static int uniphier_tm_trip_walk_cb(struct thermal_trip *trip, void *arg)
{ … }

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

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

static const struct uniphier_tm_soc_data uniphier_pxs2_tm_data = …;

static const struct uniphier_tm_soc_data uniphier_ld20_tm_data = …;

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

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

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