/*
 * cdsprm.h
 *
 * Copyright (c) 2018, The Linux Foundation. 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 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

/*
 * This header is for cdspl3 devfreq governor in drivers/devfreq.
 */

#ifndef __QCOM_CDSPRM_H__
#define __QCOM_CDSPRM_H__

/**
 * struct cdsprm_l3 - register with set L3 clock frequency method
 * @set_l3_freq:    Sets desired L3 clock frequency in kilo-hertz.
 *                  cdsprm module would call this method to set L3
 *                  clock frequency as requested by CDSP subsystem.
 */
struct cdsprm_l3 {
	int (*set_l3_freq)(unsigned int freq_khz);
};

/**
 * cdsprm_register_cdspl3gov() - Register a method to set L3 clock
 *                               frequency
 * @arg: cdsprm_l3 structure with set L3 clock frequency method
 *
 * Note: To be called from cdspl3 governor only. Called when the governor is
 *       started.
 */
void cdsprm_register_cdspl3gov(struct cdsprm_l3 *arg);

/**
 * cdsprm_unregister_cdspl3gov() - Unregister the method to set L3 clock
 *                                 frequency
 *
 * Note: To be called from cdspl3 governor only. Called when the governor is
 *       stopped
 */
void cdsprm_unregister_cdspl3gov(void);

#endif