projects / mirror_ubuntu-hirsute-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 8e8e69d6 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| f9df89d8 EV |
2 | /* |
| 3 | * linux/include/linux/clock_cooling.h | |
| 4 | * | |
| 5 | * Copyright (C) 2014 Eduardo Valentin <edubezval@gmail.com> | |
| 6 | * | |
| 7 | * Copyright (C) 2013 Texas Instruments Inc. | |
| 8 | * Contact: Eduardo Valentin <eduardo.valentin@ti.com> | |
| 9 | * | |
| 23affa2e | 10 | * Highly based on cpufreq_cooling.c. |
| f9df89d8 EV |
11 | * Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com) |
| 12 | * Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org> | |
| f9df89d8 EV |
13 | */ |
| 14 | ||
| 15 | #ifndef __CPU_COOLING_H__ | |
| 16 | #define __CPU_COOLING_H__ | |
| 17 | ||
| 18 | #include <linux/of.h> | |
| 19 | #include <linux/thermal.h> | |
| 20 | #include <linux/cpumask.h> | |
| 21 | ||
| 22 | #ifdef CONFIG_CLOCK_THERMAL | |
| 23 | /** | |
| 24 | * clock_cooling_register - function to create clock cooling device. | |
| 25 | * @dev: struct device pointer to the device used as clock cooling device. | |
| 26 | * @clock_name: string containing the clock used as cooling mechanism. | |
| 27 | */ | |
| 28 | struct thermal_cooling_device * | |
| 29 | clock_cooling_register(struct device *dev, const char *clock_name); | |
| 30 | ||
| 31 | /** | |
| 32 | * clock_cooling_unregister - function to remove clock cooling device. | |
| 33 | * @cdev: thermal cooling device pointer. | |
| 34 | */ | |
| 35 | void clock_cooling_unregister(struct thermal_cooling_device *cdev); | |
| 36 | ||
| 37 | unsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev, | |
| 38 | unsigned long freq); | |
| 39 | #else /* !CONFIG_CLOCK_THERMAL */ | |
| 40 | static inline struct thermal_cooling_device * | |
| 41 | clock_cooling_register(struct device *dev, const char *clock_name) | |
| 42 | { | |
| 43 | return NULL; | |
| 44 | } | |
| 45 | static inline | |
| 46 | void clock_cooling_unregister(struct thermal_cooling_device *cdev) | |
| 47 | { | |
| 48 | } | |
| 49 | static inline | |
| 50 | unsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev, | |
| 51 | unsigned long freq) | |
| 52 | { | |
| 53 | return THERMAL_CSTATE_INVALID; | |
| 54 | } | |
| 55 | #endif /* CONFIG_CLOCK_THERMAL */ | |
| 56 | ||
| 57 | #endif /* __CPU_COOLING_H__ */ |