ata_if.m revision 145642
1# Copyright (c) 2004, 2005 S�ren 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# 3. The name of the author may not be used to endorse or promote products
14#    derived from this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
27# $FreeBSD: head/sys/dev/ata/ata_if.m 145642 2005-04-28 22:15:44Z sos $
28
29#include <sys/bus.h>
30#include <sys/kernel.h>
31#include <sys/param.h>
32#include <sys/types.h>
33#include <sys/callout.h>
34#include <sys/sema.h>
35#include <sys/taskqueue.h>
36#include <vm/uma.h>
37#include <machine/bus.h>
38#include <sys/ata.h>
39#include <dev/ata/ata-all.h>
40
41INTERFACE ata;
42
43CODE {
44	static int ata_null_locking(device_t dev, int mode)
45	{
46	    struct ata_channel *ch = device_get_softc(dev);
47	
48	    return ch->unit;
49	}
50};
51METHOD int locking {
52    device_t    channel;
53    int         mode;
54} DEFAULT ata_null_locking;
55HEADER {
56#define         ATA_LF_LOCK             0x0001
57#define         ATA_LF_UNLOCK           0x0002
58#define         ATA_LF_WHICH            0x0004
59};
60
61CODE {
62	static void ata_null_setmode(device_t parent, device_t dev)
63	{
64	    struct ata_device *atadev = device_get_softc(dev);
65
66	    atadev->mode = ata_limit_mode(atadev, atadev->mode, ATA_PIO_MAX);
67	}
68};
69METHOD void setmode {
70    device_t    channel;
71    device_t    dev;
72}  DEFAULT ata_null_setmode;;
73
74METHOD void reset {
75    device_t    channel;
76} DEFAULT ata_generic_reset;
77
78METHOD int reinit {
79    device_t    dev;
80};
81