xref: /freebsd/sys/dev/smbus/smbus.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1d70424edSNicolas Souchu /*-
2*4d846d26SWarner Losh  * SPDX-License-Identifier: BSD-2-Clause
3718cf2ccSPedro F. Giffuni  *
4d70424edSNicolas Souchu  * Copyright (c) 1998 Nicolas Souchu
5d70424edSNicolas Souchu  * All rights reserved.
6d70424edSNicolas Souchu  *
7d70424edSNicolas Souchu  * Redistribution and use in source and binary forms, with or without
8d70424edSNicolas Souchu  * modification, are permitted provided that the following conditions
9d70424edSNicolas Souchu  * are met:
10d70424edSNicolas Souchu  * 1. Redistributions of source code must retain the above copyright
11d70424edSNicolas Souchu  *    notice, this list of conditions and the following disclaimer.
12d70424edSNicolas Souchu  * 2. Redistributions in binary form must reproduce the above copyright
13d70424edSNicolas Souchu  *    notice, this list of conditions and the following disclaimer in the
14d70424edSNicolas Souchu  *    documentation and/or other materials provided with the distribution.
15d70424edSNicolas Souchu  *
16d70424edSNicolas Souchu  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17d70424edSNicolas Souchu  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18d70424edSNicolas Souchu  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19d70424edSNicolas Souchu  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20d70424edSNicolas Souchu  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21d70424edSNicolas Souchu  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22d70424edSNicolas Souchu  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23d70424edSNicolas Souchu  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24d70424edSNicolas Souchu  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25d70424edSNicolas Souchu  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26d70424edSNicolas Souchu  * SUCH DAMAGE.
27d70424edSNicolas Souchu  *
28d70424edSNicolas Souchu  */
29d70424edSNicolas Souchu #ifndef __SMBUS_H
30d70424edSNicolas Souchu #define __SMBUS_H
31d70424edSNicolas Souchu 
32202379afSMichael Gmelin #define SMBUS_ADDR_MIN	0x10
33202379afSMichael Gmelin #define SMBUS_ADDR_MAX	0x70
34202379afSMichael Gmelin 
35d70424edSNicolas Souchu struct smbus_softc {
36d70424edSNicolas Souchu 	device_t owner;		/* smbus owner device structure */
377048a99cSJohn Baldwin 	struct mtx lock;
38202379afSMichael Gmelin 	unsigned char addrs[SMBUS_ADDR_MAX];
39d70424edSNicolas Souchu };
40d70424edSNicolas Souchu 
41b29df1b2SWarner Losh void smbus_generic_intr(device_t dev, u_char devaddr, char low, char high, int err);
42d70424edSNicolas Souchu 
43d70424edSNicolas Souchu #endif
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