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/*
* Copyright (c) 2016 Maxime Ripard. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*/
#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_ */
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