xref: /dragonfly/sys/bus/ppbus/ppbus_if.m (revision dadd6466) 
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# $DragonFly: src/sys/bus/ppbus/ppbus_if.m,v 1.3 2003/08/07 21:16:47 dillon Exp $
28#
29
30#include <sys/bus.h>
31#include <bus/ppbus/ppbconf.h>
32
33INTERFACE ppbus;
34
35#
36# Do low level i/o operations
37#
38METHOD u_char io {
39	device_t dev;
40	int opcode;
41	u_char *addr;
42	int cnt;
43	u_char byte;
44};
45
46#
47# Execution of a microsequence
48#
49METHOD int exec_microseq {
50	device_t dev;
51	struct ppb_microseq **ppb_microseq;
52};
53
54#
55# Reset EPP timeout
56#
57METHOD int reset_epp {
58	device_t dev;
59}
60
61#
62# Set chipset mode
63#
64METHOD int setmode {
65	device_t dev;
66	int mode;
67}
68
69#
70# Synchronize ECP FIFO
71#
72METHOD int ecp_sync {
73	device_t dev;
74}
75
76#
77# Do chipset dependent low level read
78#
79METHOD int read {
80	device_t dev;
81	char *buf;
82	int len;
83	int how;
84}
85
86#
87# Do chipset dependent low level write
88#
89METHOD int write {
90	device_t dev;
91	char *buf;
92	int len;
93	int how;
94}
95