Bring in YONETANI Tomokazu's acpi-update-2.patch (27-May-2004), a major
[dragonfly.git] / sys / dev / acpica5 / acpi_isab.c
CommitLineData
5ed44076
MD
1/*-
2 * Copyright (c) 2003 John Baldwin <jhb@FreeBSD.org>
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 *
f9d8cd12
MD
26 * $FreeBSD: src/sys/dev/acpica/acpi_isab.c,v 1.5 2004/04/09 18:14:32 njl Exp $
27 * $DragonFly: src/sys/dev/acpica5/acpi_isab.c,v 1.2 2004/06/27 08:52:39 dillon Exp $
5ed44076
MD
28 */
29
30/*
31 * ISA Bridge driver for Generic ISA Bus Devices. See section 10.7 of the
32 * ACPI 2.0a specification for details on this device.
33 */
34
35#include "opt_acpi.h"
36#include <sys/param.h>
37#include <sys/bus.h>
38#include <sys/malloc.h>
39#include <sys/kernel.h>
40
41#include "acpi.h"
42
43#include "acpivar.h"
44#include <bus/isa/isavar.h>
45
46/*
47 * Hooks for the ACPI CA debugging infrastructure
48 */
49#define _COMPONENT ACPI_BUS
50ACPI_MODULE_NAME("ISA_ACPI")
51
52struct acpi_isab_softc {
53 device_t ap_dev;
54 ACPI_HANDLE ap_handle;
55};
56
57
58static int acpi_isab_probe(device_t bus);
59static int acpi_isab_attach(device_t bus);
60static int acpi_isab_read_ivar(device_t dev, device_t child, int which,
61 uintptr_t *result);
62
63static device_method_t acpi_isab_methods[] = {
64 /* Device interface */
65 DEVMETHOD(device_probe, acpi_isab_probe),
66 DEVMETHOD(device_attach, acpi_isab_attach),
67 DEVMETHOD(device_shutdown, bus_generic_shutdown),
68 DEVMETHOD(device_suspend, bus_generic_suspend),
69 DEVMETHOD(device_resume, bus_generic_resume),
70
71 /* Bus interface */
72 DEVMETHOD(bus_print_child, bus_generic_print_child),
73 DEVMETHOD(bus_read_ivar, acpi_isab_read_ivar),
74 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
75 DEVMETHOD(bus_release_resource, bus_generic_release_resource),
76 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
77 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
78 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
79 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
80
81 {0, 0}
82};
83
84static driver_t acpi_isab_driver = {
85 "isab",
86 acpi_isab_methods,
87 sizeof(struct acpi_isab_softc),
88};
89
90DRIVER_MODULE(acpi_isab, acpi, acpi_isab_driver, isab_devclass, 0, 0);
f9d8cd12 91MODULE_DEPEND(acpi_isab, acpi, 1, 1, 1);
5ed44076
MD
92
93static int
94acpi_isab_probe(device_t dev)
95{
96
97 if ((acpi_get_type(dev) == ACPI_TYPE_DEVICE) &&
98 !acpi_disabled("isa") &&
99 devclass_get_device(isab_devclass, 0) == dev &&
100 (acpi_MatchHid(dev, "PNP0A05") || acpi_MatchHid(dev, "PNP0A06"))) {
101 device_set_desc(dev, "ACPI Generic ISA bridge");
102 return(0);
103 }
104 return(ENXIO);
105}
106
107static int
108acpi_isab_attach(device_t dev)
109{
110 struct acpi_isab_softc *sc;
111
112 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
113
114 sc = device_get_softc(dev);
115 sc->ap_dev = dev;
116 sc->ap_handle = acpi_get_handle(dev);
117
118 return (isab_attach(dev));
119}
120
121static int
122acpi_isab_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
123{
124 struct acpi_isab_softc *sc = device_get_softc(dev);
125
126 switch (which) {
127 case ACPI_IVAR_HANDLE:
128 *result = (uintptr_t)sc->ap_handle;
129 return(0);
130 }
131 return(ENOENT);
132}