LXR linux/drivers/clk/sunxi-ng/ccu

   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
   9struct 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
  35struct 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
  61static 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
  68extern const struct clk_ops ccu_mult_ops;
  69
  70#endif /* _CCU_MULT_H_ */
  71