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