1/*-
2 * Copyright (c) 2017 Microsoft Corp.
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 unmodified, this list of conditions, and the following
10 *    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 ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/param.h>
28#include <sys/kernel.h>
29#include <sys/bus.h>
30#include <sys/module.h>
31
32#include <contrib/dev/acpica/include/acpi.h>
33#include <dev/acpica/acpivar.h>
34
35#include "pcib_if.h"
36
37ACPI_MODULE_NAME("CONTAINER")
38
39static int			acpi_syscont_probe(device_t);
40static int			acpi_syscont_attach(device_t);
41static int			acpi_syscont_detach(device_t);
42static int			acpi_syscont_alloc_msi(device_t, device_t,
43				    int count, int maxcount, int *irqs);
44static int			acpi_syscont_release_msi(device_t bus, device_t dev,
45				    int count, int *irqs);
46static int			acpi_syscont_alloc_msix(device_t bus, device_t dev,
47				    int *irq);
48static int			acpi_syscont_release_msix(device_t bus, device_t dev,
49				    int irq);
50static int			acpi_syscont_map_msi(device_t bus, device_t dev,
51				    int irq, uint64_t *addr, uint32_t *data);
52
53static device_method_t acpi_syscont_methods[] = {
54    /* Device interface */
55    DEVMETHOD(device_probe,		acpi_syscont_probe),
56    DEVMETHOD(device_attach,		acpi_syscont_attach),
57    DEVMETHOD(device_detach,		acpi_syscont_detach),
58
59    /* Bus interface */
60    DEVMETHOD(bus_add_child,		bus_generic_add_child),
61    DEVMETHOD(bus_print_child,		bus_generic_print_child),
62    DEVMETHOD(bus_alloc_resource,	bus_generic_alloc_resource),
63    DEVMETHOD(bus_release_resource,	bus_generic_release_resource),
64    DEVMETHOD(bus_activate_resource,	bus_generic_activate_resource),
65    DEVMETHOD(bus_deactivate_resource,	bus_generic_deactivate_resource),
66    DEVMETHOD(bus_setup_intr,		bus_generic_setup_intr),
67    DEVMETHOD(bus_teardown_intr,	bus_generic_teardown_intr),
68    DEVMETHOD(bus_get_cpus,		bus_generic_get_cpus),
69
70    /* pcib interface */
71    DEVMETHOD(pcib_alloc_msi,		acpi_syscont_alloc_msi),
72    DEVMETHOD(pcib_release_msi,		acpi_syscont_release_msi),
73    DEVMETHOD(pcib_alloc_msix,		acpi_syscont_alloc_msix),
74    DEVMETHOD(pcib_release_msix,	acpi_syscont_release_msix),
75    DEVMETHOD(pcib_map_msi,		acpi_syscont_map_msi),
76
77    DEVMETHOD_END
78};
79
80static driver_t acpi_syscont_driver = {
81    "acpi_syscontainer",
82    acpi_syscont_methods,
83    0,
84};
85
86DRIVER_MODULE(acpi_syscontainer, acpi, acpi_syscont_driver, NULL, NULL);
87MODULE_DEPEND(acpi_syscontainer, acpi, 1, 1, 1);
88
89static int
90acpi_syscont_probe(device_t dev)
91{
92    static char *syscont_ids[] = { "ACPI0004", "PNP0A05", "PNP0A06", NULL };
93    int rv;
94
95    if (acpi_disabled("syscontainer"))
96	return (ENXIO);
97    rv = ACPI_ID_PROBE(device_get_parent(dev), dev, syscont_ids, NULL);
98    if (rv <= 0)
99	device_set_desc(dev, "System Container");
100    return (rv);
101}
102
103static int
104acpi_syscont_attach(device_t dev)
105{
106
107    bus_generic_probe(dev);
108    return (bus_generic_attach(dev));
109}
110
111static int
112acpi_syscont_detach(device_t dev)
113{
114
115    return (bus_generic_detach(dev));
116}
117
118static int
119acpi_syscont_alloc_msi(device_t bus, device_t dev, int count, int maxcount,
120    int *irqs)
121{
122    device_t parent = device_get_parent(bus);
123
124    return (PCIB_ALLOC_MSI(device_get_parent(parent), dev, count, maxcount,
125	irqs));
126}
127
128static int
129acpi_syscont_release_msi(device_t bus, device_t dev, int count, int *irqs)
130{
131    device_t parent = device_get_parent(bus);
132
133    return (PCIB_RELEASE_MSI(device_get_parent(parent), dev, count, irqs));
134}
135
136static int
137acpi_syscont_alloc_msix(device_t bus, device_t dev, int *irq)
138{
139    device_t parent = device_get_parent(bus);
140
141    return (PCIB_ALLOC_MSIX(device_get_parent(parent), dev, irq));
142}
143
144static int
145acpi_syscont_release_msix(device_t bus, device_t dev, int irq)
146{
147    device_t parent = device_get_parent(bus);
148
149    return (PCIB_RELEASE_MSIX(device_get_parent(parent), dev, irq));
150}
151
152static int
153acpi_syscont_map_msi(device_t bus, device_t dev, int irq, uint64_t *addr,
154    uint32_t *data)
155{
156    device_t parent = device_get_parent(bus);
157
158    return (PCIB_MAP_MSI(device_get_parent(parent), dev, irq, addr, data));
159}
160