linux/drivers/clk/sprd/div.h

/* SPDX-License-Identifier: GPL-2.0 */
//
// Spreadtrum divider clock driver
//
// Copyright (C) 2017 Spreadtrum, Inc.
// Author: Chunyan Zhang <[email protected]>

#ifndef _SPRD_DIV_H_
#define _SPRD_DIV_H_

#include "common.h"

/**
 * struct sprd_div_internal - Internal divider description
 * @shift: Bit offset of the divider in its register
 * @width: Width of the divider field in its register
 *
 * That structure represents a single divider, and is meant to be
 * embedded in other structures representing the various clock
 * classes.
 */
struct sprd_div_internal { … };

#define _SPRD_DIV_CLK(_offset, _shift, _width) …

struct sprd_div { … };

#define SPRD_DIV_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _offset,	\
				_shift, _width, _flags, _fn) …

#define SPRD_DIV_CLK(_struct, _name, _parent, _reg,			\
		     _shift, _width, _flags) …

#define SPRD_DIV_CLK_FW_NAME(_struct, _name, _parent, _reg,		\
			_shift, _width, _flags) …

#define SPRD_DIV_CLK_HW(_struct, _name, _parent, _reg,			\
			_shift, _width, _flags) …

static inline struct sprd_div *hw_to_sprd_div(const struct clk_hw *hw)
{ … }

unsigned long sprd_div_helper_recalc_rate(struct sprd_clk_common *common,
					  const struct sprd_div_internal *div,
					  unsigned long parent_rate);

int sprd_div_helper_set_rate(const struct sprd_clk_common *common,
			     const struct sprd_div_internal *div,
			     unsigned long rate,
			     unsigned long parent_rate);

extern const struct clk_ops sprd_div_ops;

#endif /* _SPRD_DIV_H_ */