1 // SPDX-License-Identifier: GPL-2.0-only
3 * INT3401 processor thermal device
4 * Copyright (c) 2020, Intel Corporation.
6 #include <linux/acpi.h>
7 #include <linux/kernel.h>
8 #include <linux/module.h>
9 #include <linux/platform_device.h>
10 #include <linux/thermal.h>
12 #include "int340x_thermal_zone.h"
13 #include "processor_thermal_device.h"
15 static const struct acpi_device_id int3401_device_ids[] = {
19 MODULE_DEVICE_TABLE(acpi, int3401_device_ids);
21 static int int3401_add(struct platform_device *pdev)
23 struct proc_thermal_device *proc_priv;
26 proc_priv = devm_kzalloc(&pdev->dev, sizeof(*proc_priv), GFP_KERNEL);
30 ret = proc_thermal_add(&pdev->dev, proc_priv);
34 platform_set_drvdata(pdev, proc_priv);
39 static int int3401_remove(struct platform_device *pdev)
41 proc_thermal_remove(platform_get_drvdata(pdev));
46 #ifdef CONFIG_PM_SLEEP
47 static int int3401_thermal_suspend(struct device *dev)
49 return proc_thermal_suspend(dev);
51 static int int3401_thermal_resume(struct device *dev)
53 return proc_thermal_resume(dev);
56 #define int3401_thermal_suspend NULL
57 #define int3401_thermal_resume NULL
60 static SIMPLE_DEV_PM_OPS(int3401_proc_thermal_pm, int3401_thermal_suspend,
61 int3401_thermal_resume);
63 static struct platform_driver int3401_driver = {
65 .remove = int3401_remove,
67 .name = "int3401 thermal",
68 .acpi_match_table = int3401_device_ids,
69 .pm = &int3401_proc_thermal_pm,
73 static int __init proc_thermal_init(void)
75 return platform_driver_register(&int3401_driver);
78 static void __exit proc_thermal_exit(void)
80 platform_driver_unregister(&int3401_driver);
83 module_init(proc_thermal_init);
84 module_exit(proc_thermal_exit);
86 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
87 MODULE_DESCRIPTION("Processor Thermal Reporting Device Driver");
88 MODULE_LICENSE("GPL v2");