1 /* $NetBSD: smscmonvar.h,v 1.1 2010/02/22 03:50:56 pgoyette Exp $ */
2 
3 /*
4  * Copyright (c) 2009 Takahiro Hayashi
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _DEV_I2C_SMSCMONVAR_H_
30 #define _DEV_I2C_SMSCMONVAR_H_
31 
32 #define SMSCMON_ADDR                    0x2c
33 #define SMSCMON_ADDR_MASK     0x7e
34 
35 #define SMSCMON_REG_COMPANY   0x3e
36 #define SMSCMON_REG_STEPPING  0x3f
37 #define SMSCMON_REG_CONFIG    0x40
38 
39 #define SMSC_CID_47M192                 0x55      /* LPC47M192/LPC47M997 */
40 #define SMSC_REV_47M192                 0x20
41 
42 #define SMSCMON_NUM_SENSORS   12
43 
44 
45 struct smscmon_sc {
46           device_t  sc_dev;
47           i2c_tag_t sc_tag;
48           i2c_addr_t          sc_addr;
49 
50           uint8_t   (*smscmon_readreg)(struct smscmon_sc *, int);
51           void      (*smscmon_writereg)(struct smscmon_sc *, int, int);
52 
53           struct sysmon_envsys *sc_sme;
54           envsys_data_t sensors[SMSCMON_NUM_SENSORS];
55           int                 numsensors;
56           struct smscmon_sensor *smscmon_sensors;
57 };
58 
59 struct smscmon_sensor {
60           const char          *desc;
61           enum envsys_units type;
62           uint8_t   reg;
63           void                (*refresh)(struct smscmon_sc *, envsys_data_t *);
64           int                 vmin;               /* value in uV for 0x00 */
65           int                 vmax;               /* value in uV for 0xff */
66 };
67 
68 #endif /* _DEV_I2C_SMSCVAR_H_ */
69