1/* $NetBSD$ */
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
45struct 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
59struct 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