1 files changed, 73 insertions, 0 deletions
diff --git a/include/linux/cpu_cooling.h b/include/linux/cpu_cooling.h
new file mode 100644
index 000000000..a3bdc8a98
--- /dev/null
+++ b/include/linux/cpu_cooling.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  linux/include/linux/cpu_cooling.h
+ *
+ *  Copyright (C) 2012	Samsung Electronics Co., Ltd(http://www.samsung.com)
+ *  Copyright (C) 2012  Amit Daniel <amit.kachhap@linaro.org>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#ifndef __CPU_COOLING_H__
+#define __CPU_COOLING_H__
+
+#include <linux/of.h>
+#include <linux/thermal.h>
+#include <linux/cpumask.h>
+
+struct cpufreq_policy;
+
+#ifdef CONFIG_CPU_FREQ_THERMAL
+/**
+ * cpufreq_cooling_register - function to create cpufreq cooling device.
+ * @policy: cpufreq policy.
+ */
+struct thermal_cooling_device *
+cpufreq_cooling_register(struct cpufreq_policy *policy);
+
+/**
+ * cpufreq_cooling_unregister - function to remove cpufreq cooling device.
+ * @cdev: thermal cooling device pointer.
+ */
+void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev);
+
+/**
+ * of_cpufreq_cooling_register - create cpufreq cooling device based on DT.
+ * @policy: cpufreq policy.
+ */
+struct thermal_cooling_device *
+of_cpufreq_cooling_register(struct cpufreq_policy *policy);
+
+#else /* !CONFIG_CPU_FREQ_THERMAL */
+static inline struct thermal_cooling_device *
+cpufreq_cooling_register(struct cpufreq_policy *policy)
+{
+	return ERR_PTR(-ENOSYS);
+}
+
+static inline
+void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
+{
+	return;
+}
+
+static inline struct thermal_cooling_device *
+of_cpufreq_cooling_register(struct cpufreq_policy *policy)
+{
+	return NULL;
+}
+#endif /* CONFIG_CPU_FREQ_THERMAL */
+
+struct cpuidle_driver;
+
+#ifdef CONFIG_CPU_IDLE_THERMAL
+void cpuidle_cooling_register(struct cpuidle_driver *drv);
+#else /* CONFIG_CPU_IDLE_THERMAL */
+static inline void cpuidle_cooling_register(struct cpuidle_driver *drv)
+{
+}
+#endif /* CONFIG_CPU_IDLE_THERMAL */
+
+#endif /* __CPU_COOLING_H__ */