59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
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/*
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* linux/include/linux/cpu_cooling.h
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*
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* Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com)
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* Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org>
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*/
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#ifndef __CPU_COOLING_H__
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#define __CPU_COOLING_H__
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#include <linux/thermal.h>
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#define CPUFREQ_COOLING_START 0
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#define CPUFREQ_COOLING_STOP 1
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#ifdef CONFIG_CPU_THERMAL
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/**
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* cpufreq_cooling_register - function to create cpufreq cooling device.
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* @clip_cpus: cpumask of cpus where the frequency constraints will happen
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*/
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struct thermal_cooling_device *cpufreq_cooling_register(
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struct cpumask *clip_cpus);
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/**
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* cpufreq_cooling_unregister - function to remove cpufreq cooling device.
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* @cdev: thermal cooling device pointer.
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*/
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void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev);
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#else /* !CONFIG_CPU_THERMAL */
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static inline struct thermal_cooling_device *cpufreq_cooling_register(
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struct cpumask *clip_cpus)
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{
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return NULL;
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}
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static inline void cpufreq_cooling_unregister(
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struct thermal_cooling_device *cdev)
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{
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return;
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}
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#endif /* CONFIG_CPU_THERMAL */
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#endif /* __CPU_COOLING_H__ */
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