cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ccu_frac.h (1137B)

      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_ */