drivers/clk/sunxi-ng/ccu_mult.h

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