[mirror_ubuntu-bionic-kernel.git] / drivers / clk / sunxi-ng / ccu_frac.h

/*
 * 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_ */
Commit	Line	Data
89a3dfb7 MR	1	/*
	2	* Copyright (c) 2016 Maxime Ripard. All rights reserved.
	3	*
	4	* This software is licensed under the terms of the GNU General Public
	5	* License version 2, as published by the Free Software Foundation, and
	6	* may be copied, distributed, and modified under those terms.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*/
	13
	14	#ifndef _CCU_FRAC_H_
	15	#define _CCU_FRAC_H_
	16
	17	#include <linux/clk-provider.h>
	18
	19	#include "ccu_common.h"
	20
a501a14e	21	struct ccu_frac_internal {
89a3dfb7 MR	22	u32 enable;
	23	u32 select;
	24
	25	unsigned long rates[2];
	26	};
	27
	28	#define _SUNXI_CCU_FRAC(_enable, _select, _rate1, _rate2) \
	29	{ \
	30	.enable = _enable, \
	31	.select = _select, \
	32	.rates = { _rate1, _rate2 }, \
	33	}
	34
	35	bool ccu_frac_helper_is_enabled(struct ccu_common *common,
a501a14e	36	struct ccu_frac_internal *cf);
89a3dfb7	37	void ccu_frac_helper_enable(struct ccu_common *common,
a501a14e	38	struct ccu_frac_internal *cf);
89a3dfb7	39	void ccu_frac_helper_disable(struct ccu_common *common,
a501a14e	40	struct ccu_frac_internal *cf);
89a3dfb7 MR	41
89a3dfb7 MR	42	bool ccu_frac_helper_has_rate(struct ccu_common *common,
a501a14e	43	struct ccu_frac_internal *cf,
89a3dfb7 MR	44	unsigned long rate);
	45
	46	unsigned long ccu_frac_helper_read_rate(struct ccu_common *common,
a501a14e	47	struct ccu_frac_internal *cf);
89a3dfb7 MR	48
89a3dfb7 MR	49	int ccu_frac_helper_set_rate(struct ccu_common *common,
a501a14e	50	struct ccu_frac_internal *cf,
1d42460a	51	unsigned long rate, u32 lock);
89a3dfb7 MR	52
89a3dfb7 MR	53	#endif /* _CCU_FRAC_H_ */