xref: /dragonfly/sys/dev/disk/nata/ata_if.m (revision 5fb3968e) 
1# Copyright (c) 2004 - 2006 Søren Schmidt <sos@FreeBSD.org>
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions
6# are met:
7# 1. Redistributions of source code must retain the above copyright
8#    notice, this list of conditions and the following disclaimer,
9#    without modification, immediately at the beginning of the file.
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 ``AS IS'' AND ANY EXPRESS OR
15# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24#
25# $FreeBSD: src/sys/dev/ata/ata_if.m,v 1.6 2006/01/05 21:27:19 sos Exp $
26# $DragonFly: src/sys/dev/disk/nata/ata_if.m,v 1.2 2006/12/08 15:09:18 tgen Exp $
27
28#include <sys/param.h>
29#include <sys/bus.h>
30#include <sys/nata.h>
31
32#include <dev/disk/nata/ata-all.h>
33
34INTERFACE ata;
35
36CODE {
37	static int ata_null_locking(device_t dev, int mode)
38	{
39	    struct ata_channel *ch = device_get_softc(dev);
40
41	    return ch->unit;
42	}
43};
44METHOD int locking {
45    device_t    channel;
46    int         mode;
47} DEFAULT ata_null_locking;
48HEADER {
49#define         ATA_LF_LOCK             0x0001
50#define         ATA_LF_UNLOCK           0x0002
51#define         ATA_LF_WHICH            0x0004
52};
53
54CODE {
55	static void ata_null_setmode(device_t parent, device_t dev)
56	{
57	    struct ata_device *atadev = device_get_softc(dev);
58
59	    atadev->mode = ata_limit_mode(dev, atadev->mode, ATA_PIO_MAX);
60	}
61};
62METHOD void setmode {
63    device_t    channel;
64    device_t    dev;
65}  DEFAULT ata_null_setmode;;
66
67METHOD void reset {
68    device_t    channel;
69} DEFAULT ata_generic_reset;
70
71METHOD int reinit {
72    device_t    dev;
73};
74