drivers/cpufreq/ppc_cbe_cpufreq.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * ppc_cbe_cpufreq.h
0004  *
0005  * This file contains the definitions used by the cbe_cpufreq driver.
0006  *
0007  * (C) Copyright IBM Deutschland Entwicklung GmbH 2005-2007
0008  *
0009  * Author: Christian Krafft <krafft@de.ibm.com>
0010  *
0011  */
0012
0013 #include <linux/cpufreq.h>
0014 #include <linux/types.h>
0015
0016 int cbe_cpufreq_set_pmode(int cpu, unsigned int pmode);
0017 int cbe_cpufreq_get_pmode(int cpu);
0018
0019 int cbe_cpufreq_set_pmode_pmi(int cpu, unsigned int pmode);
0020
0021 #if IS_ENABLED(CONFIG_CPU_FREQ_CBE_PMI)
0022 extern bool cbe_cpufreq_has_pmi;
0023 void cbe_cpufreq_pmi_policy_init(struct cpufreq_policy *policy);
0024 void cbe_cpufreq_pmi_policy_exit(struct cpufreq_policy *policy);
0025 void cbe_cpufreq_pmi_init(void);
0026 void cbe_cpufreq_pmi_exit(void);
0027 #else
0028 #define cbe_cpufreq_has_pmi (0)
0029 static inline void cbe_cpufreq_pmi_policy_init(struct cpufreq_policy *policy) {}
0030 static inline void cbe_cpufreq_pmi_policy_exit(struct cpufreq_policy *policy) {}
0031 static inline void cbe_cpufreq_pmi_init(void) {}
0032 static inline void cbe_cpufreq_pmi_exit(void) {}
0033 #endif