xref: /dragonfly/sys/bus/smbus/smbus_if.m (revision 984263bc)
1#
2# Copyright (c) 1998 Nicolas Souchu
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24# SUCH DAMAGE.
25#
26# $FreeBSD: src/sys/dev/smbus/smbus_if.m,v 1.5 1999/08/28 00:42:30 peter Exp $
27#
28
29INTERFACE smbus;
30
31#
32# Interpret interrupt
33#
34METHOD void intr {
35	device_t dev;
36	u_char devaddr;
37	char low;
38	char high;
39	int error;
40};
41
42#
43# smbus callback
44#
45METHOD int callback {
46	device_t dev;
47	int index;
48	caddr_t data;
49};
50
51#
52# Quick command
53#
54METHOD int quick {
55	device_t dev;
56	u_char slave;
57	int how;
58};
59
60#
61# Send Byte command
62#
63METHOD int sendb {
64	device_t dev;
65	u_char slave;
66	char byte;
67};
68
69#
70# Receive Byte command
71#
72METHOD int recvb {
73	device_t dev;
74	u_char slave;
75	char *byte;
76};
77
78#
79# Write Byte command
80#
81METHOD int writeb {
82	device_t dev;
83	u_char slave;
84	char cmd;
85	char byte;
86};
87
88#
89# Write Word command
90#
91METHOD int writew {
92	device_t dev;
93	u_char slave;
94	char cmd;
95	short word;
96};
97
98#
99# Read Byte command
100#
101METHOD int readb {
102	device_t dev;
103	u_char slave;
104	char cmd;
105	char *byte;
106};
107
108#
109# Read Word command
110#
111METHOD int readw {
112	device_t dev;
113	u_char slave;
114	char cmd;
115	short *word;
116};
117
118#
119# Process Call command
120#
121METHOD int pcall {
122	device_t dev;
123	u_char slave;
124	char cmd;
125	short sdata;
126	short *rdata;
127};
128
129#
130# Block Write command
131#
132METHOD int bwrite {
133	device_t dev;
134	u_char slave;
135	char cmd;
136	u_char count;
137	char *buf;
138};
139
140#
141# Block Read command
142#
143METHOD int bread {
144	device_t dev;
145	u_char slave;
146	char cmd;
147	u_char count;
148	char *buf;
149};
150