Quelle  owl-composite.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0+ */
//
// OWL composite clock driver
//
// Copyright (c) 2014 Actions Semi Inc.
// Author: David Liu <liuwei@actions-semi.com>
//
// Copyright (c) 2018 Linaro Ltd.
// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

#ifndef _OWL_COMPOSITE_H_
#define _OWL_COMPOSITE_H_

#include "owl-common.h"
#include "owl-mux.h"
#include "owl-gate.h"
#include "owl-factor.h"
#include "owl-fixed-factor.h"
#include "owl-divider.h"

union owl_rate {
 struct owl_divider_hw div_hw;
 struct owl_factor_hw factor_hw;
 struct clk_fixed_factor fix_fact_hw;
};

struct owl_composite {
 struct owl_mux_hw mux_hw;
 struct owl_gate_hw gate_hw;
 union owl_rate  rate;

 const struct clk_ops *fix_fact_ops;

 struct owl_clk_common common;
};

#define OWL_COMP_DIV(_struct, _name, _parent,    \
       _mux, _gate, _div, _flags)    \
 struct owl_composite _struct = {    \
  .mux_hw  = _mux,     \
  .gate_hw = _gate,    \
  .rate.div_hw = _div,     \
  .common = {      \
   .regmap  = NULL,    \
   .hw.init = CLK_HW_INIT_PARENTS(_name, \
           _parent,  \
            &owl_comp_div_ops,\
           _flags),  \
  },       \
 }

#define OWL_COMP_DIV_FIXED(_struct, _name, _parent,   \
       _gate, _div, _flags)    \
 struct owl_composite _struct = {    \
  .gate_hw = _gate,    \
  .rate.div_hw = _div,     \
  .common = {      \
   .regmap  = NULL,    \
   .hw.init = CLK_HW_INIT(_name,  \
           _parent,  \
            &owl_comp_div_ops,\
           _flags),  \
  },       \
 }

#define OWL_COMP_FACTOR(_struct, _name, _parent,   \
   _mux, _gate, _factor, _flags)   \
 struct owl_composite _struct = {    \
  .mux_hw  = _mux,     \
  .gate_hw = _gate,    \
  .rate.factor_hw = _factor,    \
  .common = {      \
   .regmap  = NULL,    \
   .hw.init = CLK_HW_INIT_PARENTS(_name, \
           _parent,  \
           &owl_comp_fact_ops,\
           _flags),  \
  },       \
 }

#define OWL_COMP_FIXED_FACTOR(_struct, _name, _parent,   \
   _gate, _mul, _div, _flags)   \
 struct owl_composite _struct = {    \
  .gate_hw  = _gate,   \
  .rate.fix_fact_hw.mult = _mul,    \
  .rate.fix_fact_hw.div = _div,    \
  .fix_fact_ops  = &clk_fixed_factor_ops, \
  .common = {      \
   .regmap  = NULL,    \
   .hw.init = CLK_HW_INIT(_name,  \
       _parent,  \
       &owl_comp_fix_fact_ops,\
       _flags),  \
  },       \
 }

#define OWL_COMP_PASS(_struct, _name, _parent,    \
        _mux, _gate, _flags)    \
 struct owl_composite _struct = {    \
  .mux_hw  = _mux,     \
  .gate_hw = _gate,    \
  .common = {      \
   .regmap  = NULL,    \
   .hw.init = CLK_HW_INIT_PARENTS(_name, \
           _parent,  \
           &owl_comp_pass_ops,\
           _flags),  \
  },       \
 }

static inline struct owl_composite *hw_to_owl_comp(const struct clk_hw *hw)
{
 struct owl_clk_common *common = hw_to_owl_clk_common(hw);

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

extern const struct clk_ops owl_comp_div_ops;
extern const struct clk_ops owl_comp_fact_ops;
extern const struct clk_ops owl_comp_fix_fact_ops;
extern const struct clk_ops owl_comp_pass_ops;
extern const struct clk_ops clk_fixed_factor_ops;

#endif /* _OWL_COMPOSITE_H_ */