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/*-
* Copyright 2016 Michal Meloun <mmel@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _DEV_EXTRES_CLK_FIXED_H_
#define _DEV_EXTRES_CLK_FIXED_H_
#include <dev/extres/clk/clk.h>
/*
* A fixed clock can represent several different real-world objects, including
* an oscillator with a fixed output frequency, a fixed divider (multiplier and
* divisor must both be > 0), or a phase-fractional divider within a PLL
* (however the code currently divides first, then multiplies, potentially
* leading to different roundoff errors than the hardware PLL).
*/
struct clk_fixed_def {
struct clknode_init_def clkdef;
uint64_t freq;
uint32_t mult;
uint32_t div;
int fixed_flags;
};
int clknode_fixed_register(struct clkdom *clkdom, struct clk_fixed_def *clkdef);
#endif /*_DEV_EXTRES_CLK_FIXED_H_*/
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