diff options
Diffstat (limited to 'include/linux/cpu_cooling.h')
| -rw-r--r-- | include/linux/cpu_cooling.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/linux/cpu_cooling.h b/include/linux/cpu_cooling.h new file mode 100644 index 000000000000..851530128e65 --- /dev/null +++ b/include/linux/cpu_cooling.h @@ -0,0 +1,58 @@ +/* + * 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> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#ifndef __CPU_COOLING_H__ +#define __CPU_COOLING_H__ + +#include <linux/thermal.h> + +#define CPUFREQ_COOLING_START 0 +#define CPUFREQ_COOLING_STOP 1 + +#ifdef CONFIG_CPU_THERMAL +/** + * cpufreq_cooling_register - function to create cpufreq cooling device. + * @clip_cpus: cpumask of cpus where the frequency constraints will happen + */ +struct thermal_cooling_device *cpufreq_cooling_register( + struct cpumask *clip_cpus); + +/** + * cpufreq_cooling_unregister - function to remove cpufreq cooling device. + * @cdev: thermal cooling device pointer. + */ +void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev); +#else /* !CONFIG_CPU_THERMAL */ +static inline struct thermal_cooling_device *cpufreq_cooling_register( + struct cpumask *clip_cpus) +{ + return NULL; +} +static inline void cpufreq_cooling_unregister( + struct thermal_cooling_device *cdev) +{ + return; +} +#endif /* CONFIG_CPU_THERMAL */ + +#endif /* __CPU_COOLING_H__ */ |