linux/drivers/clk/sunxi-ng/ccu_mp.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
 */

#ifndef _CCU_MP_H_
#define _CCU_MP_H_

#include <linux/bitops.h>
#include <linux/clk-provider.h>

#include "ccu_common.h"
#include "ccu_div.h"
#include "ccu_mult.h"
#include "ccu_mux.h"

/*
 * struct ccu_mp - Definition of an M-P clock
 *
 * Clocks based on the formula parent >> P / M
 */
struct ccu_mp { … };

#define SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(_struct, _name, _parents, _reg, \
					   _mshift, _mwidth,		\
					   _pshift, _pwidth,		\
					   _muxshift, _muxwidth,	\
					   _gate, _postdiv, _flags) …

#define SUNXI_CCU_MP_WITH_MUX_GATE(_struct, _name, _parents, _reg,	\
				   _mshift, _mwidth,			\
				   _pshift, _pwidth,			\
				   _muxshift, _muxwidth,		\
				   _gate, _flags) …

#define SUNXI_CCU_MP_WITH_MUX(_struct, _name, _parents, _reg,		\
			      _mshift, _mwidth,				\
			      _pshift, _pwidth,				\
			      _muxshift, _muxwidth,			\
			      _flags) …

#define SUNXI_CCU_MP_DATA_WITH_MUX_GATE(_struct, _name, _parents, _reg,	\
					_mshift, _mwidth,		\
					_pshift, _pwidth,		\
					_muxshift, _muxwidth,		\
					_gate, _flags) …

#define SUNXI_CCU_MP_DATA_WITH_MUX(_struct, _name, _parents, _reg,	\
				   _mshift, _mwidth,			\
				   _pshift, _pwidth,			\
				   _muxshift, _muxwidth,		\
				   _flags) …

#define SUNXI_CCU_MP_HW_WITH_MUX_GATE(_struct, _name, _parents, _reg,	\
				      _mshift, _mwidth,			\
				      _pshift, _pwidth,			\
				      _muxshift, _muxwidth,		\
				      _gate, _flags) …

static inline struct ccu_mp *hw_to_ccu_mp(struct clk_hw *hw)
{ … }

extern const struct clk_ops ccu_mp_ops;

/*
 * Special class of M-P clock that supports MMC timing modes
 *
 * Since the MMC clock registers all follow the same layout, we can
 * simplify the macro for this particular case. In addition, as
 * switching modes also affects the output clock rate, we need to
 * have CLK_GET_RATE_NOCACHE for all these types of clocks.
 */

#define SUNXI_CCU_MP_MMC_WITH_MUX_GATE(_struct, _name, _parents, _reg,	\
				       _flags) …

extern const struct clk_ops ccu_mp_mmc_ops;

#endif /* _CCU_MP_H_ */