linux-next/drivers/clk/sprd/composite.h

/* SPDX-License-Identifier: GPL-2.0 */
//
// Spreadtrum composite clock driver
//
// Copyright (C) 2017 Spreadtrum, Inc.
// Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>

#ifndef _SPRD_COMPOSITE_H_
#define _SPRD_COMPOSITE_H_

#include "common.h"
#include "mux.h"
#include "div.h"

struct sprd_comp {
	struct sprd_mux_ssel	mux;
	struct sprd_div_internal	div;
	struct sprd_clk_common	common;
};

#define SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table,	\
				 _mshift, _mwidth, _doffset, _dshift,	\
				 _dwidth, _flags, _fn)			\
	struct sprd_comp _struct = {					\
		.mux	= _SPRD_MUX_CLK(_mshift, _mwidth, _table),	\
		.div	= _SPRD_DIV_CLK(_doffset, _dshift, _dwidth),	\
		.common = {						\
			.regmap		= NULL,				\
			.reg		= _reg,				\
			.hw.init = _fn(_name, _parent,			\
				       &sprd_comp_ops, _flags),		\
		}							\
	}

#define SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, _table,	\
			    _mshift, _mwidth, _dshift, _dwidth, _flags)	\
	SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table,	\
				 _mshift, _mwidth, 0x0, _dshift,	\
				 _dwidth, _flags, CLK_HW_INIT_PARENTS)

#define SPRD_COMP_CLK(_struct, _name, _parent, _reg, _mshift,		\
		      _mwidth, _dshift, _dwidth, _flags)		\
	SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, NULL,	\
			    _mshift, _mwidth, _dshift, _dwidth, _flags)

#define SPRD_COMP_CLK_DATA_TABLE(_struct, _name, _parent, _reg, _table,	\
				 _mshift, _mwidth, _dshift,		\
				 _dwidth, _flags)			\
	SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table,	\
				 _mshift, _mwidth, 0x0, _dshift,	\
				 _dwidth, _flags,			\
				 CLK_HW_INIT_PARENTS_DATA)

#define SPRD_COMP_CLK_DATA(_struct, _name, _parent, _reg, _mshift,	\
			   _mwidth, _dshift, _dwidth, _flags)		\
	SPRD_COMP_CLK_DATA_TABLE(_struct, _name, _parent, _reg, NULL,	\
				 _mshift, _mwidth, _dshift, _dwidth,	\
				 _flags)

#define SPRD_COMP_CLK_DATA_TABLE_OFFSET(_struct, _name, _parent, _reg,	\
					_table, _mshift, _mwidth,	\
					_doffset, _dshift, _dwidth,	\
					_flags)				\
	SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table,	\
				 _mshift, _mwidth, _doffset, _dshift,	\
				 _dwidth, _flags,			\
				 CLK_HW_INIT_PARENTS_DATA)

#define SPRD_COMP_CLK_DATA_OFFSET(_struct, _name, _parent, _reg,	\
				  _mshift, _mwidth, _doffset, _dshift,	\
				  _dwidth, _flags)			\
	SPRD_COMP_CLK_DATA_TABLE_OFFSET(_struct, _name, _parent, _reg,	\
					NULL, _mshift, _mwidth,		\
					_doffset, _dshift, _dwidth,	\
					_flags)

static inline struct sprd_comp *hw_to_sprd_comp(const struct clk_hw *hw)
{
	struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);

	return container_of(common, struct sprd_comp, common);
}

extern const struct clk_ops sprd_comp_ops;

#endif /* _SPRD_COMPOSITE_H_ */