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// SPDX-License-Identifier: GPL-2.0-only
/*
* INT3401 processor thermal device
* Copyright (c) 2020, Intel Corporation.
*/
#include <linux/acpi.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/thermal.h>
#include "int340x_thermal_zone.h"
#include "processor_thermal_device.h"
static const struct acpi_device_id int3401_device_ids[] = {
{"INT3401", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, int3401_device_ids);
static int int3401_add(struct platform_device *pdev)
{
struct proc_thermal_device *proc_priv;
int ret;
proc_priv = devm_kzalloc(&pdev->dev, sizeof(*proc_priv), GFP_KERNEL);
if (!proc_priv)
return -ENOMEM;
ret = proc_thermal_add(&pdev->dev, proc_priv);
if (ret)
return ret;
platform_set_drvdata(pdev, proc_priv);
return ret;
}
static int int3401_remove(struct platform_device *pdev)
{
proc_thermal_remove(platform_get_drvdata(pdev));
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int int3401_thermal_suspend(struct device *dev)
{
return proc_thermal_suspend(dev);
}
static int int3401_thermal_resume(struct device *dev)
{
return proc_thermal_resume(dev);
}
#else
#define int3401_thermal_suspend NULL
#define int3401_thermal_resume NULL
#endif
static SIMPLE_DEV_PM_OPS(int3401_proc_thermal_pm, int3401_thermal_suspend,
int3401_thermal_resume);
static struct platform_driver int3401_driver = {
.probe = int3401_add,
.remove = int3401_remove,
.driver = {
.name = "int3401 thermal",
.acpi_match_table = int3401_device_ids,
.pm = &int3401_proc_thermal_pm,
},
};
static int __init proc_thermal_init(void)
{
return platform_driver_register(&int3401_driver);
}
static void __exit proc_thermal_exit(void)
{
platform_driver_unregister(&int3401_driver);
}
module_init(proc_thermal_init);
module_exit(proc_thermal_exit);
MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
MODULE_DESCRIPTION("Processor Thermal Reporting Device Driver");
MODULE_LICENSE("GPL v2");
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