/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
 */

#ifndef _CCU_FRAC_H_
#define _CCU_FRAC_H_

#include <linux/clk-provider.h>

#include "ccu_common.h"

struct ccu_frac_internal {
        u32             enable;
        u32             select;

        unsigned long   rates[2];
};

#define _SUNXI_CCU_FRAC(_enable, _select, _rate1, _rate2)               \
        {                                                               \
                .enable = _enable,                                      \
                .select = _select,                                      \
                .rates = { _rate1, _rate2 },                            \
        }

bool ccu_frac_helper_is_enabled(struct ccu_common *common,
                                struct ccu_frac_internal *cf);
void ccu_frac_helper_enable(struct ccu_common *common,
                            struct ccu_frac_internal *cf);
void ccu_frac_helper_disable(struct ccu_common *common,
                             struct ccu_frac_internal *cf);

bool ccu_frac_helper_has_rate(struct ccu_common *common,
                              struct ccu_frac_internal *cf,
                              unsigned long rate);

unsigned long ccu_frac_helper_read_rate(struct ccu_common *common,
                                        struct ccu_frac_internal *cf);

int ccu_frac_helper_set_rate(struct ccu_common *common,
                             struct ccu_frac_internal *cf,
                             unsigned long rate, u32 lock);

#endif /* _CCU_FRAC_H_ */