xref: /netbsd-src/sys/dev/i2c/mcp980xreg.h (revision 2bfecaf3cde8d40f3453bff46a34feb400a02646)
1 /*	$NetBSD: mcp980xreg.h,v 1.2 2013/10/15 13:43:51 rkujawa Exp $ */
2 
3 /*-
4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Radoslaw Kujawa.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _MCP980XREG_H_
33 #define _MCP980XREG_H_
34 
35 #define MCP980X_ADDR_CONST		0x48 /* 1001___ */
36 #define MCP980X_ADDR_VAR		0x7  /*     XXX */
37 
38 #define MCP980X_AMBIENT_TEMP		0x0
39 
40 #define MCP980X_AMBIENT_TEMP_00625DEGREE	__BIT(4)
41 #define MCP980X_AMBIENT_TEMP_0125DEGREE		__BIT(5)
42 #define MCP980X_AMBIENT_TEMP_025DEGREE		__BIT(6)
43 #define MCP980X_AMBIENT_TEMP_05DEGREE		__BIT(7)
44 #define MCP980X_AMBIENT_TEMP_DEGREES		__BITS(8,14)
45 #define MCP980X_AMBIENT_TEMP_DEGREES_SHIFT	8
46 #define MCP980X_AMBIENT_TEMP_SIGN		__BIT(15)
47 
48 #define MCP980X_CONFIG			0x1
49 
50 #define MCP980X_CONFIG_ADC_RES			__BITS(5,6)
51 #define MCP980X_CONFIG_ADC_RES_SHIFT		5
52 #define MCP980X_CONFIG_ADC_RES_9BIT		0
53 #define MCP980X_CONFIG_ADC_RES_10BIT		1
54 #define MCP980X_CONFIG_ADC_RES_11BIT		2
55 #define MCP980X_CONFIG_ADC_RES_12BIT		3
56 
57 #define MCP980X_TEMP_HYSTERESIS		0x2
58 #define MCP980X_TEMP_LIMIT		0x3
59 #define MCP980X_TEMP_HYSTLIMIT_INT_SHIFT	8
60 
61 #endif /* _MCP980XREG_H_ */
62