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clk_backend.h revision 1.1.2.2
      1  1.1.2.2  skrll /* $NetBSD: clk_backend.h,v 1.1.2.2 2015/12/27 12:09:49 skrll Exp $ */
      2  1.1.2.2  skrll 
      3  1.1.2.2  skrll /*-
      4  1.1.2.2  skrll  * Copyright (c) 2015 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  1.1.2.2  skrll  * All rights reserved.
      6  1.1.2.2  skrll  *
      7  1.1.2.2  skrll  * Redistribution and use in source and binary forms, with or without
      8  1.1.2.2  skrll  * modification, are permitted provided that the following conditions
      9  1.1.2.2  skrll  * are met:
     10  1.1.2.2  skrll  * 1. Redistributions of source code must retain the above copyright
     11  1.1.2.2  skrll  *    notice, this list of conditions and the following disclaimer.
     12  1.1.2.2  skrll  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1.2.2  skrll  *    notice, this list of conditions and the following disclaimer in the
     14  1.1.2.2  skrll  *    documentation and/or other materials provided with the distribution.
     15  1.1.2.2  skrll  *
     16  1.1.2.2  skrll  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  1.1.2.2  skrll  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  1.1.2.2  skrll  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  1.1.2.2  skrll  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  1.1.2.2  skrll  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  1.1.2.2  skrll  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  1.1.2.2  skrll  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  1.1.2.2  skrll  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  1.1.2.2  skrll  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.1.2.2  skrll  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.1.2.2  skrll  * SUCH DAMAGE.
     27  1.1.2.2  skrll  */
     28  1.1.2.2  skrll 
     29  1.1.2.2  skrll #ifndef _DEV_CLK_CLK_BACKEND_H
     30  1.1.2.2  skrll #define _DEV_CLK_CLK_BACKEND_H
     31  1.1.2.2  skrll 
     32  1.1.2.2  skrll #include <dev/clk/clk.h>
     33  1.1.2.2  skrll 
     34  1.1.2.2  skrll struct clk {
     35  1.1.2.2  skrll         const char *name;
     36  1.1.2.2  skrll         u_int flags;
     37  1.1.2.2  skrll #define CLK_SET_RATE_PARENT     0x01
     38  1.1.2.2  skrll };
     39  1.1.2.2  skrll 
     40  1.1.2.2  skrll struct clk_funcs {
     41  1.1.2.2  skrll 	struct clk *(*get)(void *, const char *);
     42  1.1.2.2  skrll 	void (*put)(void *, struct clk *);
     43  1.1.2.2  skrll 
     44  1.1.2.2  skrll 	u_int (*get_rate)(void *, struct clk *);
     45  1.1.2.2  skrll 	int (*set_rate)(void *, struct clk *, u_int);
     46  1.1.2.2  skrll 	int (*enable)(void *, struct clk *);
     47  1.1.2.2  skrll 	int (*disable)(void *, struct clk *);
     48  1.1.2.2  skrll 	int (*set_parent)(void *, struct clk *, struct clk *);
     49  1.1.2.2  skrll 	struct clk *(*get_parent)(void *, struct clk *);
     50  1.1.2.2  skrll };
     51  1.1.2.2  skrll 
     52  1.1.2.2  skrll int	clk_backend_register(const char *, const struct clk_funcs *, void *);
     53  1.1.2.2  skrll 
     54  1.1.2.2  skrll #endif /* _DEV_CLK_CLK_BACKEND_H */
     55