xref: /dflybsd-src/sys/dev/disk/nata/ata_if.m (revision f6e8a0a1ed3e226aca4aaecd4a43bf356a576c56)
1*f6e8a0a1SImre Vadasz# Copyright (c) 2004 - 2006 Søren Schmidt <sos@FreeBSD.org>
2c1b3d7c5SThomas E. Spanjaard# All rights reserved.
3c1b3d7c5SThomas E. Spanjaard#
4c1b3d7c5SThomas E. Spanjaard# Redistribution and use in source and binary forms, with or without
5c1b3d7c5SThomas E. Spanjaard# modification, are permitted provided that the following conditions
6c1b3d7c5SThomas E. Spanjaard# are met:
7c1b3d7c5SThomas E. Spanjaard# 1. Redistributions of source code must retain the above copyright
8c1b3d7c5SThomas E. Spanjaard#    notice, this list of conditions and the following disclaimer,
9c1b3d7c5SThomas E. Spanjaard#    without modification, immediately at the beginning of the file.
10c1b3d7c5SThomas E. Spanjaard# 2. Redistributions in binary form must reproduce the above copyright
11c1b3d7c5SThomas E. Spanjaard#    notice, this list of conditions and the following disclaimer in the
12c1b3d7c5SThomas E. Spanjaard#    documentation and/or other materials provided with the distribution.
13c1b3d7c5SThomas E. Spanjaard#
14c1b3d7c5SThomas E. Spanjaard# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15c1b3d7c5SThomas E. Spanjaard# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16c1b3d7c5SThomas E. Spanjaard# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17c1b3d7c5SThomas E. Spanjaard# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18c1b3d7c5SThomas E. Spanjaard# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19c1b3d7c5SThomas E. Spanjaard# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20c1b3d7c5SThomas E. Spanjaard# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21c1b3d7c5SThomas E. Spanjaard# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22c1b3d7c5SThomas E. Spanjaard# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23c1b3d7c5SThomas E. Spanjaard# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24c1b3d7c5SThomas E. Spanjaard#
25c1b3d7c5SThomas E. Spanjaard# $FreeBSD: src/sys/dev/ata/ata_if.m,v 1.6 2006/01/05 21:27:19 sos Exp $
26854fb363SThomas E. Spanjaard# $DragonFly: src/sys/dev/disk/nata/ata_if.m,v 1.2 2006/12/08 15:09:18 tgen Exp $
27c1b3d7c5SThomas E. Spanjaard
28c1b3d7c5SThomas E. Spanjaard#include <sys/param.h>
29c1b3d7c5SThomas E. Spanjaard#include <sys/bus.h>
30c1b3d7c5SThomas E. Spanjaard#include <sys/nata.h>
31c1b3d7c5SThomas E. Spanjaard
32854fb363SThomas E. Spanjaard#include <dev/disk/nata/ata-all.h>
33c1b3d7c5SThomas E. Spanjaard
34c1b3d7c5SThomas E. SpanjaardINTERFACE ata;
35c1b3d7c5SThomas E. Spanjaard
36c1b3d7c5SThomas E. SpanjaardCODE {
37c1b3d7c5SThomas E. Spanjaard	static int ata_null_locking(device_t dev, int mode)
38c1b3d7c5SThomas E. Spanjaard	{
39c1b3d7c5SThomas E. Spanjaard	    struct ata_channel *ch = device_get_softc(dev);
40c1b3d7c5SThomas E. Spanjaard
41c1b3d7c5SThomas E. Spanjaard	    return ch->unit;
42c1b3d7c5SThomas E. Spanjaard	}
43c1b3d7c5SThomas E. Spanjaard};
44c1b3d7c5SThomas E. SpanjaardMETHOD int locking {
45c1b3d7c5SThomas E. Spanjaard    device_t    channel;
46c1b3d7c5SThomas E. Spanjaard    int         mode;
47c1b3d7c5SThomas E. Spanjaard} DEFAULT ata_null_locking;
48c1b3d7c5SThomas E. SpanjaardHEADER {
49c1b3d7c5SThomas E. Spanjaard#define         ATA_LF_LOCK             0x0001
50c1b3d7c5SThomas E. Spanjaard#define         ATA_LF_UNLOCK           0x0002
51c1b3d7c5SThomas E. Spanjaard#define         ATA_LF_WHICH            0x0004
52c1b3d7c5SThomas E. Spanjaard};
53c1b3d7c5SThomas E. Spanjaard
54c1b3d7c5SThomas E. SpanjaardCODE {
55c1b3d7c5SThomas E. Spanjaard	static void ata_null_setmode(device_t parent, device_t dev)
56c1b3d7c5SThomas E. Spanjaard	{
57c1b3d7c5SThomas E. Spanjaard	    struct ata_device *atadev = device_get_softc(dev);
58c1b3d7c5SThomas E. Spanjaard
59c1b3d7c5SThomas E. Spanjaard	    atadev->mode = ata_limit_mode(dev, atadev->mode, ATA_PIO_MAX);
60c1b3d7c5SThomas E. Spanjaard	}
61c1b3d7c5SThomas E. Spanjaard};
62c1b3d7c5SThomas E. SpanjaardMETHOD void setmode {
63c1b3d7c5SThomas E. Spanjaard    device_t    channel;
64c1b3d7c5SThomas E. Spanjaard    device_t    dev;
65c1b3d7c5SThomas E. Spanjaard}  DEFAULT ata_null_setmode;;
66c1b3d7c5SThomas E. Spanjaard
67c1b3d7c5SThomas E. SpanjaardMETHOD void reset {
68c1b3d7c5SThomas E. Spanjaard    device_t    channel;
69c1b3d7c5SThomas E. Spanjaard} DEFAULT ata_generic_reset;
70c1b3d7c5SThomas E. Spanjaard
71c1b3d7c5SThomas E. SpanjaardMETHOD int reinit {
72c1b3d7c5SThomas E. Spanjaard    device_t    dev;
73c1b3d7c5SThomas E. Spanjaard};
74