clk.h revision 1.3 
11.3Sbouyer/* $NetBSD: clk.h,v 1.3 2018/04/01 21:11:01 bouyer Exp $ */
21.1Sjmcneill
31.1Sjmcneill/*-
41.1Sjmcneill * Copyright (c) 2015 Jared D. McNeill <jmcneill@invisible.ca>
51.1Sjmcneill * All rights reserved.
61.1Sjmcneill *
71.1Sjmcneill * Redistribution and use in source and binary forms, with or without
81.1Sjmcneill * modification, are permitted provided that the following conditions
91.1Sjmcneill * are met:
101.1Sjmcneill * 1. Redistributions of source code must retain the above copyright
111.1Sjmcneill *    notice, this list of conditions and the following disclaimer.
121.1Sjmcneill * 2. Redistributions in binary form must reproduce the above copyright
131.1Sjmcneill *    notice, this list of conditions and the following disclaimer in the
141.1Sjmcneill *    documentation and/or other materials provided with the distribution.
151.1Sjmcneill *
161.1Sjmcneill * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
171.1Sjmcneill * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
181.1Sjmcneill * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
191.1Sjmcneill * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
201.1Sjmcneill * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
211.1Sjmcneill * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
221.1Sjmcneill * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
231.1Sjmcneill * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
241.1Sjmcneill * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
251.1Sjmcneill * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
261.1Sjmcneill * SUCH DAMAGE.
271.1Sjmcneill */
281.1Sjmcneill
291.1Sjmcneill#ifndef _DEV_CLK_CLK_H
301.1Sjmcneill#define _DEV_CLK_CLK_H
311.1Sjmcneill
321.2Sjmcneillstruct clk_domain;
331.1Sjmcneillstruct clk;
341.1Sjmcneill
351.2Sjmcneillstruct clk *	clk_get(struct clk_domain *, const char *);
361.1Sjmcneillvoid		clk_put(struct clk *);
371.1Sjmcneillu_int		clk_get_rate(struct clk *);
381.1Sjmcneillint		clk_set_rate(struct clk *, u_int);
391.3Sbouyeru_int		clk_round_rate(struct clk *, u_int);
401.1Sjmcneillint		clk_enable(struct clk *);
411.1Sjmcneillint		clk_disable(struct clk *);
421.1Sjmcneillint		clk_set_parent(struct clk *, struct clk *);
431.1Sjmcneillstruct clk *	clk_get_parent(struct clk *);
441.1Sjmcneill
451.1Sjmcneill#endif /* _DEV_CLK_CLK_H */
46