1 /* SPDX-License-Identifier: GPL-2.0-only */ << 2 /* 1 /* 3 * linux/include/linux/cpu_cooling.h 2 * linux/include/linux/cpu_cooling.h 4 * 3 * 5 * Copyright (C) 2012 Samsung Electronics Co 4 * Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com) 6 * Copyright (C) 2012 Amit Daniel <amit.kach 5 * Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org> 7 * 6 * 8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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. >> 11 * >> 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. >> 16 * >> 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. 9 * 20 * 10 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 21 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 11 */ 22 */ 12 23 13 #ifndef __CPU_COOLING_H__ 24 #ifndef __CPU_COOLING_H__ 14 #define __CPU_COOLING_H__ 25 #define __CPU_COOLING_H__ 15 26 16 #include <linux/of.h> 27 #include <linux/of.h> 17 #include <linux/thermal.h> 28 #include <linux/thermal.h> >> 29 #include <linux/cpumask.h> 18 30 19 struct cpufreq_policy; 31 struct cpufreq_policy; 20 32 21 #ifdef CONFIG_CPU_FREQ_THERMAL !! 33 #ifdef CONFIG_CPU_THERMAL 22 /** 34 /** 23 * cpufreq_cooling_register - function to crea 35 * cpufreq_cooling_register - function to create cpufreq cooling device. 24 * @policy: cpufreq policy. 36 * @policy: cpufreq policy. 25 */ 37 */ 26 struct thermal_cooling_device * 38 struct thermal_cooling_device * 27 cpufreq_cooling_register(struct cpufreq_policy 39 cpufreq_cooling_register(struct cpufreq_policy *policy); 28 40 29 /** 41 /** 30 * cpufreq_cooling_unregister - function to re 42 * cpufreq_cooling_unregister - function to remove cpufreq cooling device. 31 * @cdev: thermal cooling device pointer. 43 * @cdev: thermal cooling device pointer. 32 */ 44 */ 33 void cpufreq_cooling_unregister(struct thermal 45 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev); 34 46 35 /** !! 47 #else /* !CONFIG_CPU_THERMAL */ 36 * of_cpufreq_cooling_register - create cpufre << 37 * @policy: cpufreq policy. << 38 */ << 39 struct thermal_cooling_device * << 40 of_cpufreq_cooling_register(struct cpufreq_pol << 41 << 42 #else /* !CONFIG_CPU_FREQ_THERMAL */ << 43 static inline struct thermal_cooling_device * 48 static inline struct thermal_cooling_device * 44 cpufreq_cooling_register(struct cpufreq_policy 49 cpufreq_cooling_register(struct cpufreq_policy *policy) 45 { 50 { 46 return ERR_PTR(-ENOSYS); 51 return ERR_PTR(-ENOSYS); 47 } 52 } 48 53 49 static inline 54 static inline 50 void cpufreq_cooling_unregister(struct thermal 55 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) 51 { 56 { 52 return; 57 return; 53 } 58 } >> 59 #endif /* CONFIG_CPU_THERMAL */ 54 60 >> 61 #if defined(CONFIG_THERMAL_OF) && defined(CONFIG_CPU_THERMAL) >> 62 /** >> 63 * of_cpufreq_cooling_register - create cpufreq cooling device based on DT. >> 64 * @policy: cpufreq policy. >> 65 */ >> 66 struct thermal_cooling_device * >> 67 of_cpufreq_cooling_register(struct cpufreq_policy *policy); >> 68 #else 55 static inline struct thermal_cooling_device * 69 static inline struct thermal_cooling_device * 56 of_cpufreq_cooling_register(struct cpufreq_pol 70 of_cpufreq_cooling_register(struct cpufreq_policy *policy) 57 { 71 { 58 return NULL; 72 return NULL; 59 } 73 } 60 #endif /* CONFIG_CPU_FREQ_THERMAL */ !! 74 #endif /* defined(CONFIG_THERMAL_OF) && defined(CONFIG_CPU_THERMAL) */ 61 << 62 struct cpuidle_driver; << 63 << 64 #ifdef CONFIG_CPU_IDLE_THERMAL << 65 void cpuidle_cooling_register(struct cpuidle_d << 66 #else /* CONFIG_CPU_IDLE_THERMAL */ << 67 static inline void cpuidle_cooling_register(st << 68 { << 69 } << 70 #endif /* CONFIG_CPU_IDLE_THERMAL */ << 71 75 72 #endif /* __CPU_COOLING_H__ */ 76 #endif /* __CPU_COOLING_H__ */ 73 77
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