]>
git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - drivers/cpufreq/arm_big_little.h
2 * ARM big.LITTLE platform's CPUFreq header file
4 * Copyright (C) 2013 ARM Ltd.
5 * Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
7 * Copyright (C) 2013 Linaro.
8 * Viresh Kumar <viresh.kumar@linaro.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
14 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
15 * kind, whether express or implied; without even the implied warranty
16 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 #ifndef CPUFREQ_ARM_BIG_LITTLE_H
20 #define CPUFREQ_ARM_BIG_LITTLE_H
22 #include <linux/cpufreq.h>
23 #include <linux/device.h>
24 #include <linux/types.h>
26 struct cpufreq_arm_bL_ops
{
27 char name
[CPUFREQ_NAME_LEN
];
28 int (*get_transition_latency
)(struct device
*cpu_dev
);
31 * This must set opp table for cpu_dev in a similar way as done by
32 * of_init_opp_table().
34 int (*init_opp_table
)(struct device
*cpu_dev
);
37 static inline int cpu_to_cluster(int cpu
)
39 return topology_physical_package_id(cpu
);
42 int bL_cpufreq_register(struct cpufreq_arm_bL_ops
*ops
);
43 void bL_cpufreq_unregister(struct cpufreq_arm_bL_ops
*ops
);
45 #endif /* CPUFREQ_ARM_BIG_LITTLE_H */