projects / linux-2.6-block.git / blame
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|---|---|---|
| 8a67f0ef VK |
1 | /* |
| 2 | * ARM big.LITTLE platform's CPUFreq header file | |
| 3 | * | |
| 4 | * Copyright (C) 2013 ARM Ltd. | |
| 5 | * Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com> | |
| 6 | * | |
| 7 | * Copyright (C) 2013 Linaro. | |
| 8 | * Viresh Kumar <viresh.kumar@linaro.org> | |
| 9 | * | |
| 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. | |
| 13 | * | |
| 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. | |
| 18 | */ | |
| 19 | #ifndef CPUFREQ_ARM_BIG_LITTLE_H | |
| 20 | #define CPUFREQ_ARM_BIG_LITTLE_H | |
| 21 | ||
| 22 | #include <linux/cpufreq.h> | |
| 23 | #include <linux/device.h> | |
| 24 | #include <linux/types.h> | |
| 25 | ||
| 26 | struct cpufreq_arm_bL_ops { | |
| 27 | char name[CPUFREQ_NAME_LEN]; | |
| 8a67f0ef VK |
28 | |
| 29 | /* | |
| 30 | * This must set opp table for cpu_dev in a similar way as done by | |
| 31 | * of_init_opp_table(). | |
| 32 | */ | |
| 33 | int (*init_opp_table)(struct device *cpu_dev); | |
| 493b4cd2 VK |
34 | |
| 35 | /* Optional */ | |
| 36 | int (*get_transition_latency)(struct device *cpu_dev); | |
| 37 | void (*free_opp_table)(struct device *cpu_dev); | |
| 8a67f0ef VK |
38 | }; |
| 39 | ||
| 40 | int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops); | |
| 41 | void bL_cpufreq_unregister(struct cpufreq_arm_bL_ops *ops); | |
| 42 | ||
| 43 | #endif /* CPUFREQ_ARM_BIG_LITTLE_H */ |