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/* drivers/gpu/vithar/kbase/src/platform/mali_kbase_dvfs.h
*
* Copyright 2011 by S.LSI. Samsung Electronics Inc.
* San#24, Nongseo-Dong, Giheung-Gu, Yongin, Korea
*
* Samsung SoC Mali-T604 DVFS driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software FoundatIon.
*/
/**
* @file mali_kbase_dvfs.h
* DVFS
*/
#ifndef _KBASE_DVFS_H_
#define _KBASE_DVFS_H_
/* Frequency that DVFS clock frequency decisions should be made */
#define KBASE_PM_DVFS_FREQUENCY 100
#define MALI_DVFS_DEBUG 0
#define MALI_DVFS_START_MAX_STEP 1
#define MALI_DVFS_STEP 4
#define MALI_DVFS_KEEP_STAY_CNT 10
struct regulator *kbase_platform_get_regulator(void);
int kbase_platform_regulator_init(struct device *dev);
int kbase_platform_regulator_disable(struct device *dev);
int kbase_platform_regulator_enable(struct device *dev);
int kbase_platform_get_default_voltage(struct device *dev, int *vol);
int kbase_platform_get_voltage(struct device *dev, int *vol);
int kbase_platform_set_voltage(struct device *dev, int vol);
#ifdef CONFIG_VITHAR_DVFS
int kbase_platform_dvfs_init(struct device *dev, int step);
void kbase_platform_dvfs_term(void);
int kbase_platform_dvfs_event(kbase_device *kbdev, u32 utilisation);
int kbase_platform_dvfs_get_control_status(void);
int kbase_pm_get_dvfs_utilisation(kbase_device *kbdev);
#endif
#endif /* _KBASE_DVFS_H_ */
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