xref: /dragonfly/sys/bus/ppbus/ppbus_if.m (revision 984263bc) 
1#
2# Copyright (c) 1999 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/ppbus/ppbus_if.m,v 1.1.2.1 2000/05/24 00:20:57 n_hibma Exp $
27#
28
29#include <sys/bus.h>
30#include <dev/ppbus/ppbconf.h>
31
32INTERFACE ppbus;
33
34#
35# Do low level i/o operations
36#
37METHOD u_char io {
38	device_t dev;
39	int opcode;
40	u_char *addr;
41	int cnt;
42	u_char byte;
43};
44
45#
46# Execution of a microsequence
47#
48METHOD int exec_microseq {
49	device_t dev;
50	struct ppb_microseq **ppb_microseq;
51};
52
53#
54# Reset EPP timeout
55#
56METHOD int reset_epp {
57	device_t dev;
58}
59
60#
61# Set chipset mode
62#
63METHOD int setmode {
64	device_t dev;
65	int mode;
66}
67
68#
69# Synchronize ECP FIFO
70#
71METHOD int ecp_sync {
72	device_t dev;
73}
74
75#
76# Do chipset dependent low level read
77#
78METHOD int read {
79	device_t dev;
80	char *buf;
81	int len;
82	int how;
83}
84
85#
86# Do chipset dependent low level write
87#
88METHOD int write {
89	device_t dev;
90	char *buf;
91	int len;
92	int how;
93}
94