1/*-
2 * Copyright (c) 2000 Michael Smith
3 * Copyright (c) 2000 BSDi
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
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29__FBSDID("$FreeBSD: head/sys/dev/acpica/acpi_pcib_pci.c 129093 2004-05-10 18:26:22Z jhb $");
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| 29__FBSDID("$FreeBSD: head/sys/dev/acpica/acpi_pcib_pci.c 129829 2004-05-29 04:32:50Z njl $"); |
30
31#include "opt_acpi.h"
32
33#include <sys/param.h>
34#include <sys/bus.h>
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35#include <sys/malloc.h>
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35#include <sys/kernel.h>
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| 36#include <sys/malloc.h> |
37
38#include "acpi.h"
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39
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39#include <dev/acpica/acpivar.h>
40#include <dev/acpica/acpi_pcibvar.h>
41
42#include <machine/pci_cfgreg.h>
43#include <dev/pci/pcivar.h>
44#include <dev/pci/pcireg.h>
45#include <dev/pci/pcib_private.h>
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47
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46#include "pcib_if.h"
47
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50/*
51 * Hooks for the ACPI CA debugging infrastructure
52 */
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| 48/* Hooks for the ACPI CA debugging infrastructure. */ |
49#define _COMPONENT ACPI_BUS
50ACPI_MODULE_NAME("PCI_PCI")
51
52struct acpi_pcib_softc {
53 struct pcib_softc ap_pcibsc;
54 ACPI_HANDLE ap_handle;
55 ACPI_BUFFER ap_prt; /* interrupt routing table */
56};
57
58struct acpi_pcib_lookup_info {
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63 UINT32 address;
64 ACPI_HANDLE handle;
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59 UINT32 address;
60 ACPI_HANDLE handle; |
61};
62
63static int acpi_pcib_pci_probe(device_t bus);
64static int acpi_pcib_pci_attach(device_t bus);
65static int acpi_pcib_pci_resume(device_t bus);
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70static int acpi_pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result);
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66static int acpi_pcib_read_ivar(device_t dev, device_t child,
67 int which, uintptr_t *result); |
68static int acpi_pcib_pci_route_interrupt(device_t pcib,
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72 device_t dev, int pin);
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| 69 device_t dev, int pin); |
70
71static device_method_t acpi_pcib_pci_methods[] = {
72 /* Device interface */
73 DEVMETHOD(device_probe, acpi_pcib_pci_probe),
74 DEVMETHOD(device_attach, acpi_pcib_pci_attach),
75 DEVMETHOD(device_shutdown, bus_generic_shutdown),
76 DEVMETHOD(device_suspend, bus_generic_suspend),
77 DEVMETHOD(device_resume, acpi_pcib_pci_resume),
78
79 /* Bus interface */
80 DEVMETHOD(bus_print_child, bus_generic_print_child),
81 DEVMETHOD(bus_read_ivar, acpi_pcib_read_ivar),
82 DEVMETHOD(bus_write_ivar, pcib_write_ivar),
83 DEVMETHOD(bus_alloc_resource, pcib_alloc_resource),
84 DEVMETHOD(bus_release_resource, bus_generic_release_resource),
85 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
86 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
87 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
88 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
89
90 /* pcib interface */
91 DEVMETHOD(pcib_maxslots, pcib_maxslots),
92 DEVMETHOD(pcib_read_config, pcib_read_config),
93 DEVMETHOD(pcib_write_config, pcib_write_config),
94 DEVMETHOD(pcib_route_interrupt, acpi_pcib_pci_route_interrupt),
95
96 {0, 0}
97};
98
99static driver_t acpi_pcib_pci_driver = {
100 "pcib",
101 acpi_pcib_pci_methods,
102 sizeof(struct acpi_pcib_softc),
103};
104
105DRIVER_MODULE(acpi_pcib, pci, acpi_pcib_pci_driver, pcib_devclass, 0, 0);
106MODULE_DEPEND(acpi_pcib, acpi, 1, 1, 1);
107
108static int
109acpi_pcib_pci_probe(device_t dev)
110{
111
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115 if ((pci_get_class(dev) != PCIC_BRIDGE) ||
116 (pci_get_subclass(dev) != PCIS_BRIDGE_PCI) ||
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112 if (pci_get_class(dev) != PCIC_BRIDGE ||
113 pci_get_subclass(dev) != PCIS_BRIDGE_PCI || |
114 acpi_disabled("pci"))
115 return (ENXIO);
116 if (acpi_get_handle(dev) == NULL)
117 return (ENXIO);
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121 if (!pci_cfgregopen())
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| 118 if (pci_cfgregopen() == 0) |
119 return (ENXIO);
120
121 device_set_desc(dev, "ACPI PCI-PCI bridge");
122 return (-1000);
123}
124
125static int
126acpi_pcib_pci_attach(device_t dev)
127{
128 struct acpi_pcib_softc *sc;
129
130 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
131
132 pcib_attach_common(dev);
133 sc = device_get_softc(dev);
134 sc->ap_handle = acpi_get_handle(dev);
135 return (acpi_pcib_attach(dev, &sc->ap_prt, sc->ap_pcibsc.secbus));
136}
137
138static int
139acpi_pcib_pci_resume(device_t dev)
140{
141 struct acpi_pcib_softc *sc = device_get_softc(dev);
142
143 return (acpi_pcib_resume(dev, &sc->ap_prt, sc->ap_pcibsc.secbus));
144}
145
146static int
147acpi_pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
148{
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152 struct acpi_pcib_softc *sc = device_get_softc(dev);
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| 149 struct acpi_pcib_softc *sc = device_get_softc(dev); |
150
151 switch (which) {
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155 case ACPI_IVAR_HANDLE:
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| 152 case ACPI_IVAR_HANDLE: |
153 *result = (uintptr_t)sc->ap_handle;
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157 return(0);
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| 154 return (0); |
155 }
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159 return(pcib_read_ivar(dev, child, which, result));
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| 156 return (pcib_read_ivar(dev, child, which, result)); |
157}
158
159static int
160acpi_pcib_pci_route_interrupt(device_t pcib, device_t dev, int pin)
161{
162 struct acpi_pcib_softc *sc;
163
164 sc = device_get_softc(pcib);
165
166 /*
167 * If we don't have a _PRT, fall back to the swizzle method
168 * for routing interrupts.
169 */
170 if (sc->ap_prt.Pointer == NULL)
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174 return (pcib_route_interrupt(pcib, dev, pin));
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| 171 return (pcib_route_interrupt(pcib, dev, pin)); |
172 else
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176 return (acpi_pcib_route_interrupt(pcib, dev, pin, &sc->ap_prt));
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| 173 return (acpi_pcib_route_interrupt(pcib, dev, pin, &sc->ap_prt)); |
174}
|