drivers/clk/sunxi-ng/ccu_mult.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _CCU_MULT_H_
   3 #define _CCU_MULT_H_
   4
   5 #include "ccu_common.h"
   6 #include "ccu_frac.h"
   7 #include "ccu_mux.h"
   8
   9 struct ccu_mult_internal {
  10         u8      offset;
  11         u8      shift;
  12         u8      width;
  13         u8      min;
  14         u8      max;
  15 };
  16
  17 #define _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, _min, _max) \
  18         {                                                               \
  19                 .min    = _min,                                         \
  20                 .max    = _max,                                         \
  21                 .offset = _offset,                                      \
  22                 .shift  = _shift,                                       \
  23                 .width  = _width,                                       \
  24         }
  25
  26 #define _SUNXI_CCU_MULT_MIN(_shift, _width, _min)       \
  27         _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, _min, 0)
  28
  29 #define _SUNXI_CCU_MULT_OFFSET(_shift, _width, _offset) \
  30         _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, _offset, 1, 0)
  31
  32 #define _SUNXI_CCU_MULT(_shift, _width)         \
  33         _SUNXI_CCU_MULT_OFFSET_MIN_MAX(_shift, _width, 1, 1, 0)
  34
  35 struct ccu_mult {
  36         u32                     enable;
  37         u32                     lock;
  38
  39         struct ccu_frac_internal        frac;
  40         struct ccu_mult_internal        mult;
  41         struct ccu_mux_internal mux;
  42         struct ccu_common       common;
  43 };
  44
  45 #define SUNXI_CCU_N_WITH_GATE_LOCK(_struct, _name, _parent, _reg,       \
  46                                    _mshift, _mwidth, _gate, _lock,      \
  47                                    _flags)                              \
  48         struct ccu_mult _struct = {                                     \
  49                 .enable = _gate,                                        \
  50                 .lock   = _lock,                                        \
  51                 .mult   = _SUNXI_CCU_MULT(_mshift, _mwidth),            \
  52                 .common = {                                             \
  53                         .reg            = _reg,                         \
  54                         .hw.init        = CLK_HW_INIT(_name,            \
  55                                                       _parent,          \
  56                                                       &ccu_mult_ops,    \
  57                                                       _flags),          \
  58                 },                                                      \
  59         }
  60
  61 static inline struct ccu_mult *hw_to_ccu_mult(struct clk_hw *hw)
  62 {
  63         struct ccu_common *common = hw_to_ccu_common(hw);
  64
  65         return container_of(common, struct ccu_mult, common);
  66 }
  67
  68 extern const struct clk_ops ccu_mult_ops;
  69
  70 #endif /* _CCU_MULT_H_ */