1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
 4 */
 5
 6#ifndef _CCU_FRAC_H_
 7#define _CCU_FRAC_H_
 8
 9#include <linux/clk-provider.h>
10
11#include "ccu_common.h"
12
13struct ccu_frac_internal {
14	u32		enable;
15	u32		select;
16
17	unsigned long	rates[2];
18};
19
20#define _SUNXI_CCU_FRAC(_enable, _select, _rate1, _rate2)		\
21	{								\
22		.enable	= _enable,					\
23		.select	= _select,					\
24		.rates = { _rate1, _rate2 },				\
25	}
26
27bool ccu_frac_helper_is_enabled(struct ccu_common *common,
28				struct ccu_frac_internal *cf);
29void ccu_frac_helper_enable(struct ccu_common *common,
30			    struct ccu_frac_internal *cf);
31void ccu_frac_helper_disable(struct ccu_common *common,
32			     struct ccu_frac_internal *cf);
33
34bool ccu_frac_helper_has_rate(struct ccu_common *common,
35			      struct ccu_frac_internal *cf,
36			      unsigned long rate);
37
38unsigned long ccu_frac_helper_read_rate(struct ccu_common *common,
39					struct ccu_frac_internal *cf);
40
41int ccu_frac_helper_set_rate(struct ccu_common *common,
42			     struct ccu_frac_internal *cf,
43			     unsigned long rate, u32 lock);
44
45#endif /* _CCU_FRAC_H_ */