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Diffstat (limited to 'include/linux/cpu_cooling.h')
| -rw-r--r-- | include/linux/cpu_cooling.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/include/linux/cpu_cooling.h b/include/linux/cpu_cooling.h new file mode 100644 index 000000000000..b46c6c05e0d6 --- /dev/null +++ b/include/linux/cpu_cooling.h @@ -0,0 +1,79 @@ +/* + * linux/include/linux/cpu_cooling.h + * + * Copyright (C) 2011 Samsung Electronics Co., Ltd(http://www.samsung.com) + * Copyright (C) 2011 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_TYPE 0 +#define CPUHOTPLUG_COOLING_TYPE 1 + +struct freq_clip_table { + unsigned int freq_clip_max; + unsigned int polling_interval; + unsigned int temp_level; + const struct cpumask *mask_val; +}; + +int cputherm_register_notifier(struct notifier_block *nb, unsigned int list); +int cputherm_unregister_notifier(struct notifier_block *nb, unsigned int list); + +#ifdef CONFIG_CPU_FREQ +struct thermal_cooling_device *cpufreq_cooling_register( + struct freq_clip_table *tab_ptr, unsigned int tab_size, + const struct cpumask *mask_val, enum thermal_trip_type type); + +void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev); +#else /*!CONFIG_CPU_FREQ*/ +static inline struct thermal_cooling_device *cpufreq_cooling_register( + struct freq_clip_table *tab_ptr, unsigned int tab_size, + const struct cpumask *mask_val, enum thermal_trip_type type) +{ + return NULL; +} +static inline void cpufreq_cooling_unregister( + struct thermal_cooling_device *cdev) +{ + return; +} +#endif /*CONFIG_CPU_FREQ*/ +#ifdef CONFIG_HOTPLUG_CPU +extern struct thermal_cooling_device *cpuhotplug_cooling_register( + const struct cpumask *mask_val); + +extern void cpuhotplug_cooling_unregister(struct thermal_cooling_device *cdev); +#else /*!CONFIG_HOTPLUG_CPU*/ +static inline struct thermal_cooling_device *cpuhotplug_cooling_register( + const struct cpumask *mask_val) +{ + return NULL; +} +static inline void cpuhotplug_cooling_unregister( + struct thermal_cooling_device *cdev) +{ + return; +} +#endif /*CONFIG_HOTPLUG_CPU*/ + +#endif /* __CPU_COOLING_H__ */ |