busfreq-imx6.h
783 Bytes
/*
* Copyright 2012-2015 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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.
*/
#ifndef __ASM_ARCH_MXC_BUSFREQ_H__
#define __ASM_ARCH_MXC_BUSFREQ_H__
#include <linux/notifier.h>
/*
* This enumerates busfreq mode.
*/
enum busfreq_event {
LOW_BUSFREQ_ENTER,
LOW_BUSFREQ_EXIT,
};
enum bus_freq_mode {
BUS_FREQ_HIGH,
BUS_FREQ_MED,
BUS_FREQ_AUDIO,
BUS_FREQ_LOW,
};
void request_bus_freq(enum bus_freq_mode mode);
void release_bus_freq(enum bus_freq_mode mode);
int register_busfreq_notifier(struct notifier_block *nb);
int unregister_busfreq_notifier(struct notifier_block *nb);
#endif