syscon.h revision 1.1.2.2 1 1.1.2.2 pgoyette /* $NetBSD: syscon.h,v 1.1.2.2 2018/07/28 04:37:44 pgoyette Exp $ */
2 1.1.2.2 pgoyette
3 1.1.2.2 pgoyette /*-
4 1.1.2.2 pgoyette * Copyright (c) 2018 Jared McNeill <jmcneill (at) invisible.ca>
5 1.1.2.2 pgoyette * All rights reserved.
6 1.1.2.2 pgoyette *
7 1.1.2.2 pgoyette * Redistribution and use in source and binary forms, with or without
8 1.1.2.2 pgoyette * modification, are permitted provided that the following conditions
9 1.1.2.2 pgoyette * are met:
10 1.1.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright
11 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer.
12 1.1.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright
13 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the
14 1.1.2.2 pgoyette * documentation and/or other materials provided with the distribution.
15 1.1.2.2 pgoyette *
16 1.1.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 1.1.2.2 pgoyette * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 1.1.2.2 pgoyette * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 1.1.2.2 pgoyette * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 1.1.2.2 pgoyette * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 1.1.2.2 pgoyette * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 1.1.2.2 pgoyette * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 1.1.2.2 pgoyette * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 1.1.2.2 pgoyette * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 1.1.2.2 pgoyette * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 1.1.2.2 pgoyette * SUCH DAMAGE.
27 1.1.2.2 pgoyette */
28 1.1.2.2 pgoyette
29 1.1.2.2 pgoyette #ifndef _FDT_SYSCON_H
30 1.1.2.2 pgoyette #define _FDT_SYSCON_H
31 1.1.2.2 pgoyette
32 1.1.2.2 pgoyette struct syscon {
33 1.1.2.2 pgoyette void *priv;
34 1.1.2.2 pgoyette
35 1.1.2.2 pgoyette void (*lock)(void *);
36 1.1.2.2 pgoyette void (*unlock)(void *);
37 1.1.2.2 pgoyette uint32_t (*read_4)(void *, bus_size_t);
38 1.1.2.2 pgoyette void (*write_4)(void *, bus_size_t, uint32_t);
39 1.1.2.2 pgoyette };
40 1.1.2.2 pgoyette
41 1.1.2.2 pgoyette #define syscon_lock(_syscon) \
42 1.1.2.2 pgoyette (_syscon)->lock((_syscon)->priv)
43 1.1.2.2 pgoyette
44 1.1.2.2 pgoyette #define syscon_unlock(_syscon) \
45 1.1.2.2 pgoyette (_syscon)->unlock((_syscon)->priv)
46 1.1.2.2 pgoyette
47 1.1.2.2 pgoyette #define syscon_read_4(_syscon, _reg) \
48 1.1.2.2 pgoyette (_syscon)->read_4((_syscon)->priv, (_reg))
49 1.1.2.2 pgoyette
50 1.1.2.2 pgoyette #define syscon_write_4(_syscon, _reg, _val) \
51 1.1.2.2 pgoyette (_syscon)->write_4((_syscon)->priv, (_reg), (_val))
52 1.1.2.2 pgoyette
53 1.1.2.2 pgoyette
54 1.1.2.2 pgoyette #endif /* !_FDT_SYSCON_H */
55