bsp/allwinner/libraries/sunxi-hal/hal/source/ccmu/sunxi-ng/ccu_nkmp.h


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

#ifndef _CCU_NKMP_H_
#define _CCU_NKMP_H_

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

/*
 * struct ccu_nkmp - Definition of an N-K-M-P clock
 *
 * Clocks based on the formula parent * N * K >> P / M
 */
struct ccu_nkmp
{
    u32         enable;
    u32         lock;

    struct ccu_mult_internal    n;
    struct ccu_mult_internal    k;
    struct ccu_div_internal     m;
    struct ccu_div_internal     p;

    unsigned int        fixed_post_div;
    unsigned int        max_rate;

    struct ccu_common   common;
};

#define SUNXI_CCU_NKMP_WITH_GATE_LOCK(_struct, _name, _parent, _reg,    \
                                      _nshift, _nwidth,         \
                                      _kshift, _kwidth,         \
                                      _mshift, _mwidth,         \
                                      _pshift, _pwidth,         \
                                      _gate, _lock, _flags)     \
struct ccu_nkmp _struct = {                 \
    .enable     = _gate,                \
                  .lock       = _lock,                \
                                .n      = _SUNXI_CCU_MULT(_nshift, _nwidth),    \
                                          .k      = _SUNXI_CCU_MULT(_kshift, _kwidth),    \
                                                  .m      = _SUNXI_CCU_DIV(_mshift, _mwidth), \
                                                          .p      = _SUNXI_CCU_DIV(_pshift, _pwidth), \
                                                                  .common     = {                 \
                                                                                                  .reg        = _reg,             \
                                                                                                  .hw.init    = CLK_HW_INIT(_name,        \
                                                                                                          _parent,      \
                                                                                                          &ccu_nkmp_ops,    \
                                                                                                          _flags),      \
                                                                                },                          \
}

static inline struct ccu_nkmp *hw_to_ccu_nkmp(struct clk_hw *hw)
{
    struct ccu_common *common = hw_to_ccu_common(hw);

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

extern const struct clk_ops ccu_nkmp_ops;

#endif /* _CCU_NKMP_H_ */