linux/drivers/acpi/fan_core.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  fan_core.c - ACPI Fan core Driver
 *
 *  Copyright (C) 2001, 2002 Andy Grover <[email protected]>
 *  Copyright (C) 2001, 2002 Paul Diefenbaugh <[email protected]>
 *  Copyright (C) 2022 Intel Corporation. All rights reserved.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/uaccess.h>
#include <linux/thermal.h>
#include <linux/acpi.h>
#include <linux/platform_device.h>
#include <linux/sort.h>

#include "fan.h"

static const struct acpi_device_id fan_device_ids[] = …;
MODULE_DEVICE_TABLE(acpi, fan_device_ids);

/* thermal cooling device callbacks */
static int fan_get_max_state(struct thermal_cooling_device *cdev, unsigned long
			     *state)
{ … }

int acpi_fan_get_fst(struct acpi_device *device, struct acpi_fan_fst *fst)
{ … }

static int fan_get_state_acpi4(struct acpi_device *device, unsigned long *state)
{ … }

static int fan_get_state(struct acpi_device *device, unsigned long *state)
{ … }

static int fan_get_cur_state(struct thermal_cooling_device *cdev, unsigned long
			     *state)
{ … }

static int fan_set_state(struct acpi_device *device, unsigned long state)
{ … }

static int fan_set_state_acpi4(struct acpi_device *device, unsigned long state)
{ … }

static int
fan_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state)
{ … }

static const struct thermal_cooling_device_ops fan_cooling_ops = …;

/* --------------------------------------------------------------------------
 *                               Driver Interface
 * --------------------------------------------------------------------------
*/

static bool acpi_fan_is_acpi4(struct acpi_device *device)
{ … }

static int acpi_fan_get_fif(struct acpi_device *device)
{ … }

static int acpi_fan_speed_cmp(const void *a, const void *b)
{ … }

static int acpi_fan_get_fps(struct acpi_device *device)
{ … }

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

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

#ifdef CONFIG_PM_SLEEP
static int acpi_fan_suspend(struct device *dev)
{ … }

static int acpi_fan_resume(struct device *dev)
{ … }

static const struct dev_pm_ops acpi_fan_pm = …;
#define FAN_PM_OPS_PTR …

#else

#define FAN_PM_OPS_PTR …

#endif

static struct platform_driver acpi_fan_driver = …;

module_platform_driver(…) …;

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