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


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

#ifndef _CCU_NK_H_
#define _CCU_NK_H_

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

/*
 * struct ccu_nk - Definition of an N-K clock
 *
 * Clocks based on the formula parent * N * K
 */
struct ccu_nk
{
    u16         reg;
    u32         enable;
    u32         lock;

    struct ccu_mult_internal    n;
    struct ccu_mult_internal    k;

    unsigned int        fixed_post_div;

    struct ccu_common   common;
};

#define SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(_struct, _name, _parent, _reg, \
        _nshift, _nwidth,       \
        _kshift, _kwidth,       \
        _gate, _lock, _postdiv, \
        _flags)         \
struct ccu_nk _struct = {                   \
    .enable     = _gate,                \
                  .lock       = _lock,                \
                                .k      = _SUNXI_CCU_MULT(_kshift, _kwidth),    \
                                          .n      = _SUNXI_CCU_MULT(_nshift, _nwidth),    \
                                                  .fixed_post_div = _postdiv,             \
                                                          .common     = {                 \
                                                                                          .reg        = _reg,             \
                                                                                          .features   = CCU_FEATURE_FIXED_POSTDIV,    \
                                                                                          .hw.init    = CLK_HW_INIT(_name,        \
                                                                                                  _parent,      \
                                                                                                  &ccu_nk_ops,  \
                                                                                                  _flags),      \
                                                                        },                          \
}

static inline struct ccu_nk *hw_to_ccu_nk(struct clk_hw *hw)
{
    struct ccu_common *common = hw_to_ccu_common(hw);

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

extern const struct clk_ops ccu_nk_ops;

#endif /* _CCU_NK_H_ */