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git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - include/linux/cpu_cooling.h
2 * linux/include/linux/cpu_cooling.h
4 * Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com)
5 * Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org>
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2 of the License.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
21 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 #ifndef __CPU_COOLING_H__
25 #define __CPU_COOLING_H__
28 #include <linux/thermal.h>
29 #include <linux/cpumask.h>
31 struct cpufreq_policy
;
33 #ifdef CONFIG_CPU_THERMAL
35 * cpufreq_cooling_register - function to create cpufreq cooling device.
36 * @policy: cpufreq policy.
38 struct thermal_cooling_device
*
39 cpufreq_cooling_register(struct cpufreq_policy
*policy
);
42 * cpufreq_cooling_unregister - function to remove cpufreq cooling device.
43 * @cdev: thermal cooling device pointer.
45 void cpufreq_cooling_unregister(struct thermal_cooling_device
*cdev
);
47 #else /* !CONFIG_CPU_THERMAL */
48 static inline struct thermal_cooling_device
*
49 cpufreq_cooling_register(struct cpufreq_policy
*policy
)
51 return ERR_PTR(-ENOSYS
);
55 void cpufreq_cooling_unregister(struct thermal_cooling_device
*cdev
)
59 #endif /* CONFIG_CPU_THERMAL */
61 #if defined(CONFIG_THERMAL_OF) && defined(CONFIG_CPU_THERMAL)
63 * of_cpufreq_cooling_register - create cpufreq cooling device based on DT.
64 * @policy: cpufreq policy.
66 struct thermal_cooling_device
*
67 of_cpufreq_cooling_register(struct cpufreq_policy
*policy
);
69 static inline struct thermal_cooling_device
*
70 of_cpufreq_cooling_register(struct cpufreq_policy
*policy
)
74 #endif /* defined(CONFIG_THERMAL_OF) && defined(CONFIG_CPU_THERMAL) */
76 #endif /* __CPU_COOLING_H__ */