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

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
   4 */
   5
   6#ifndef _CCU_FRAC_H_
   7#define _CCU_FRAC_H_
   8
   9#include <linux/clk-provider.h>
  10
  11#include "ccu_common.h"
  12
  13struct ccu_frac_internal {
  14        u32             enable;
  15        u32             select;
  16
  17        unsigned long   rates[2];
  18};
  19
  20#define _SUNXI_CCU_FRAC(_enable, _select, _rate1, _rate2)               \
  21        {                                                               \
  22                .enable = _enable,                                      \
  23                .select = _select,                                      \
  24                .rates = { _rate1, _rate2 },                            \
  25        }
  26
  27bool ccu_frac_helper_is_enabled(struct ccu_common *common,
  28                                struct ccu_frac_internal *cf);
  29void ccu_frac_helper_enable(struct ccu_common *common,
  30                            struct ccu_frac_internal *cf);
  31void ccu_frac_helper_disable(struct ccu_common *common,
  32                             struct ccu_frac_internal *cf);
  33
  34bool ccu_frac_helper_has_rate(struct ccu_common *common,
  35                              struct ccu_frac_internal *cf,
  36                              unsigned long rate);
  37
  38unsigned long ccu_frac_helper_read_rate(struct ccu_common *common,
  39                                        struct ccu_frac_internal *cf);
  40
  41int ccu_frac_helper_set_rate(struct ccu_common *common,
  42                             struct ccu_frac_internal *cf,
  43                             unsigned long rate, u32 lock);
  44
  45#endif /* _CCU_FRAC_H_ */
  46