xref: /netbsd-src/sys/dev/i2c/smscmonvar.h (revision b5f89aa49350bf3f862ac072c77327891ff1f812)
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