xref: /netbsd/sys/dev/isa/smscvar.h (revision 6550d01e)
1 /*	$NetBSD: smscvar.h,v 1.4 2008/04/28 20:23:52 martin Exp $ */
2 
3 /*-
4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Bill Squier.
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 _DEV_SMSC47B397VAR_H_
33 #define _DEV_SMSC47B397VAR_H_
34 
35 /*
36  * SMSC LPC47B397-NC "super-io" chip
37  */
38 
39 #define SMSC_ADDR		0
40 #define SMSC_DATA		1
41 
42 /* Chip control registers */
43 
44 #define SMSC_LOGICAL_DEV_SEL	0x07	/* Selector for logical device */
45 #define SMSC_DEVICE_ID		0x20	/* Device ID register */
46 #define SMSC_DEVICE_REVISION	0x21	/* Device revision */
47 #define SMSC_IO_BASE_MSB	0x60
48 #define SMSC_IO_BASE_LSB	0x61
49 
50 
51 #define SMSC_LOGICAL_DEVICE	0x08	/* Magic number to select monitoring
52 					   functions. */
53 #define SMSC_CONFIG_START	0x55	/* Start configuration mode */
54 #define SMSC_CONFIG_END		0xAA	/* End configuration mode */
55 
56 #define SMSC_ID_47B397		0x6F	/* Chip ID */
57 #define SMSC_ID_SCH5307NS	0x81
58 #define SMSC_ID_SCH5317		0x85
59 
60 /* Data registers */
61 #define SMSC_TEMP1		0x25
62 #define SMSC_TEMP2		0x26
63 #define SMSC_TEMP3		0x27
64 #define SMSC_TEMP4		0x80
65 
66 /* NOTE: Reading the Fan LSB locks the Fan MSB. The LSB Must be read first. */
67 #define SMSC_FAN1_LSB		0x28
68 #define SMSC_FAN1_MSB		0x29
69 #define SMSC_FAN2_LSB		0x2A
70 #define SMSC_FAN2_MSB		0x2B
71 #define SMSC_FAN3_LSB		0x2C
72 #define SMSC_FAN3_MSB		0x2D
73 #define SMSC_FAN4_LSB		0x2E
74 #define SMSC_FAN4_MSB		0x2F
75 
76 #define SMSC_MAX_SENSORS	8	/* 4 temp sensors, 4 fan sensors */
77 
78 struct smsc_softc {
79 	struct device 		sc_dev;
80 
81 	bus_space_tag_t 	sc_iot;
82 	bus_space_handle_t 	sc_ioh;
83 
84 	int 			sc_flags;
85 	struct sysmon_envsys 	*sc_sme;
86 	envsys_data_t 		sc_sensor[SMSC_MAX_SENSORS];
87 
88 	uint8_t 		sc_regs[SMSC_MAX_SENSORS];
89 };
90 
91 #endif /* _DEV_SMSC47B397VAR_H_ */
92