xref: /titanic_41/usr/src/uts/sun4u/sys/i2c/clients/pcf8591_impl.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 2000 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef	_PCF8591_IMPL_H
28 #define	_PCF8591_IMPL_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 #define	PCF8591_ANALOG_OUTPUT_SHIFT	6
37 #define	PCF8591_ANALOG_INPUT_SHIFT	4
38 #define	PCF8591_AUTOINCR_SHIFT		2
39 
40 #include <sys/i2c/clients/i2c_client.h>
41 
42 struct pcf8591_unit {
43 	kmutex_t		pcf8591_mutex;
44 	uint8_t			pcf8591_flags;
45 	int			pcf8591_oflag;
46 	i2c_client_hdl_t	pcf8591_hdl;
47 	char			pcf8591_name[24];
48 };
49 
50 #ifdef DEBUG
51 
52 static int pcf8591debug = 0;
53 #define	D1CMN_ERR(ARGS) if (pcf8591debug & 0x1) cmn_err ARGS;
54 #define	D2CMN_ERR(ARGS) if (pcf8591debug & 0x2) cmn_err ARGS;
55 
56 #else
57 
58 #define	D1CMN_ERR(ARGS)
59 #define	D2CMN_ERR(ARGS)
60 
61 #endif
62 
63 #ifdef	__cplusplus
64 }
65 #endif
66 
67 #endif	/* _PCF8591_IMPL_H */
68