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
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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