drivers/clk/sprd/composite.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 //
   3 // Spreadtrum composite clock driver
   4 //
   5 // Copyright (C) 2017 Spreadtrum, Inc.
   6 // Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
   7
   8 #ifndef _SPRD_COMPOSITE_H_
   9 #define _SPRD_COMPOSITE_H_
  10
  11 #include "common.h"
  12 #include "mux.h"
  13 #include "div.h"
  14
  15 struct sprd_comp {
  16         struct sprd_mux_ssel    mux;
  17         struct sprd_div_internal        div;
  18         struct sprd_clk_common  common;
  19 };
  20
  21 #define SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \
  22                                  _mshift, _mwidth, _doffset, _dshift,   \
  23                                  _dwidth, _flags, _fn)                  \
  24         struct sprd_comp _struct = {                                    \
  25                 .mux    = _SPRD_MUX_CLK(_mshift, _mwidth, _table),      \
  26                 .div    = _SPRD_DIV_CLK(_doffset, _dshift, _dwidth),    \
  27                 .common = {                                             \
  28                         .regmap         = NULL,                         \
  29                         .reg            = _reg,                         \
  30                         .hw.init = _fn(_name, _parent,                  \
  31                                        &sprd_comp_ops, _flags),         \
  32                 }                                                       \
  33         }
  34
  35 #define SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, _table,      \
  36                             _mshift, _mwidth, _dshift, _dwidth, _flags) \
  37         SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \
  38                                  _mshift, _mwidth, 0x0, _dshift,        \
  39                                  _dwidth, _flags, CLK_HW_INIT_PARENTS)
  40
  41 #define SPRD_COMP_CLK(_struct, _name, _parent, _reg, _mshift,           \
  42                       _mwidth, _dshift, _dwidth, _flags)                \
  43         SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, NULL,        \
  44                             _mshift, _mwidth, _dshift, _dwidth, _flags)
  45
  46 #define SPRD_COMP_CLK_DATA_TABLE(_struct, _name, _parent, _reg, _table, \
  47                                  _mshift, _mwidth, _dshift,             \
  48                                  _dwidth, _flags)                       \
  49         SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \
  50                                  _mshift, _mwidth, 0x0, _dshift,        \
  51                                  _dwidth, _flags,                       \
  52                                  CLK_HW_INIT_PARENTS_DATA)
  53
  54 #define SPRD_COMP_CLK_DATA(_struct, _name, _parent, _reg, _mshift,      \
  55                            _mwidth, _dshift, _dwidth, _flags)           \
  56         SPRD_COMP_CLK_DATA_TABLE(_struct, _name, _parent, _reg, NULL,   \
  57                                  _mshift, _mwidth, _dshift, _dwidth,    \
  58                                  _flags)
  59
  60 #define SPRD_COMP_CLK_DATA_TABLE_OFFSET(_struct, _name, _parent, _reg,  \
  61                                         _table, _mshift, _mwidth,       \
  62                                         _doffset, _dshift, _dwidth,     \
  63                                         _flags)                         \
  64         SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \
  65                                  _mshift, _mwidth, _doffset, _dshift,   \
  66                                  _dwidth, _flags,                       \
  67                                  CLK_HW_INIT_PARENTS_DATA)
  68
  69 #define SPRD_COMP_CLK_DATA_OFFSET(_struct, _name, _parent, _reg,        \
  70                                   _mshift, _mwidth, _doffset, _dshift,  \
  71                                   _dwidth, _flags)                      \
  72         SPRD_COMP_CLK_DATA_TABLE_OFFSET(_struct, _name, _parent, _reg,  \
  73                                         NULL, _mshift, _mwidth,         \
  74                                         _doffset, _dshift, _dwidth,     \
  75                                         _flags)
  76
  77 static inline struct sprd_comp *hw_to_sprd_comp(const struct clk_hw *hw)
  78 {
  79         struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);
  80
  81         return container_of(common, struct sprd_comp, common);
  82 }
  83
  84 extern const struct clk_ops sprd_comp_ops;
  85
  86 #endif /* _SPRD_COMPOSITE_H_ */