root/drivers/clk/sunxi-ng/ccu_mult.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CCU_MULT_H_
#define _CCU_MULT_H_

#include "ccu_common.h"
#include "ccu_frac.h"
#include "ccu_mux.h"

struct ccu_mult_internal {
        u8      offset;
        u8      shift;
        u8      width;
        u8      min;
        u8      max;
};

#define _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, _min, _max) \
        {                                                               \
                .min    = _min,                                         \
                .max    = _max,                                         \
                .offset = _offset,                                      \
                .shift  = _shift,                                       \
                .width  = _width,                                       \
        }

#define _SUNXI_CCU_MULT_MIN(_shift, _width, _min)       \
        _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, _min, 0)

#define _SUNXI_CCU_MULT_OFFSET(_shift, _width, _offset) \
        _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, 1, 0)

#define _SUNXI_CCU_MULT(_shift, _width)         \
        _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, 1, 0)

struct ccu_mult {
        u32                     enable;
        u32                     lock;

        struct ccu_frac_internal        frac;
        struct ccu_mult_internal        mult;
        struct ccu_mux_internal mux;
        struct ccu_common       common;
};

#define SUNXI_CCU_N_WITH_GATE_LOCK(_struct, _name, _parent, _reg,       \
                                   _mshift, _mwidth, _gate, _lock,      \
                                   _flags)                              \
        struct ccu_mult _struct = {                                     \
                .enable = _gate,                                        \
                .lock   = _lock,                                        \
                .mult   = _SUNXI_CCU_MULT(_mshift, _mwidth),            \
                .common = {                                             \
                        .reg            = _reg,                         \
                        .hw.init        = CLK_HW_INIT(_name,            \
                                                      _parent,          \
                                                      &ccu_mult_ops,    \
                                                      _flags),          \
                },                                                      \
        }

static inline struct ccu_mult *hw_to_ccu_mult(struct clk_hw *hw)
{
        struct ccu_common *common = hw_to_ccu_common(hw);

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

extern const struct clk_ops ccu_mult_ops;

#endif /* _CCU_MULT_H_ */