1/*-
2 * Copyright (c) 2000 Takanori Watanabe <takawata@jp.freebsd.org>
3 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
4 * Copyright (c) 2000 Michael Smith <msmith@freebd.org>
5 * Copyright (c) 2000 BSDi
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2000 Takanori Watanabe <takawata@jp.freebsd.org>
3 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
4 * Copyright (c) 2000 Michael Smith <msmith@freebd.org>
5 * Copyright (c) 2000 BSDi
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
|
32
33#include "opt_acpi.h"
34#include <sys/param.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <sys/bus.h>
38#include <sys/proc.h>
39
40#include <contrib/dev/acpica/acpi.h>
41#include <dev/acpica/acpivar.h>
42
43/* Hooks for the ACPI CA debugging infrastructure */
44#define _COMPONENT ACPI_BUTTON
45ACPI_MODULE_NAME("LID")
46
47struct acpi_lid_softc {
48 device_t lid_dev;
49 ACPI_HANDLE lid_handle;
50 int lid_status; /* open or closed */
51};
52
53ACPI_SERIAL_DECL(lid, "ACPI lid");
54
55static int acpi_lid_probe(device_t dev);
56static int acpi_lid_attach(device_t dev);
57static int acpi_lid_suspend(device_t dev);
58static int acpi_lid_resume(device_t dev);
59static void acpi_lid_notify_status_changed(void *arg);
60static void acpi_lid_notify_handler(ACPI_HANDLE h, UINT32 notify,
61 void *context);
62
63static device_method_t acpi_lid_methods[] = {
64 /* Device interface */
65 DEVMETHOD(device_probe, acpi_lid_probe),
66 DEVMETHOD(device_attach, acpi_lid_attach),
67 DEVMETHOD(device_suspend, acpi_lid_suspend),
68 DEVMETHOD(device_resume, acpi_lid_resume),
69
70 {0, 0}
71};
72
73static driver_t acpi_lid_driver = {
74 "acpi_lid",
75 acpi_lid_methods,
76 sizeof(struct acpi_lid_softc),
77};
78
79static devclass_t acpi_lid_devclass;
80DRIVER_MODULE(acpi_lid, acpi, acpi_lid_driver, acpi_lid_devclass, 0, 0);
81MODULE_DEPEND(acpi_lid, acpi, 1, 1, 1);
82
83static int
84acpi_lid_probe(device_t dev)
85{
86 static char *lid_ids[] = { "PNP0C0D", NULL };
87
88 if (acpi_disabled("lid") ||
89 ACPI_ID_PROBE(device_get_parent(dev), dev, lid_ids) == NULL)
90 return (ENXIO);
91
92 device_set_desc(dev, "Control Method Lid Switch");
93 return (0);
94}
95
96static int
97acpi_lid_attach(device_t dev)
98{
99 struct acpi_lid_softc *sc;
100
101 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
102
103 sc = device_get_softc(dev);
104 sc->lid_dev = dev;
105 sc->lid_handle = acpi_get_handle(dev);
106
107 /*
108 * If a system does not get lid events, it may make sense to change
109 * the type to ACPI_ALL_NOTIFY. Some systems generate both a wake and
110 * runtime notify in that case though.
111 */
112 AcpiInstallNotifyHandler(sc->lid_handle, ACPI_DEVICE_NOTIFY,
113 acpi_lid_notify_handler, sc);
114
115 /* Enable the GPE for wake/runtime. */
116 acpi_wake_init(dev, ACPI_GPE_TYPE_WAKE_RUN);
117 acpi_wake_set_enable(dev, 1);
118
119 return (0);
120}
121
122static int
123acpi_lid_suspend(device_t dev)
124{
125 return (0);
126}
127
128static int
129acpi_lid_resume(device_t dev)
130{
131 return (0);
132}
133
134static void
135acpi_lid_notify_status_changed(void *arg)
136{
137 struct acpi_lid_softc *sc;
138 struct acpi_softc *acpi_sc;
139 ACPI_STATUS status;
140
141 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
142
143 sc = (struct acpi_lid_softc *)arg;
144 ACPI_SERIAL_BEGIN(lid);
145
146 /*
147 * Evaluate _LID and check the return value, update lid status.
148 * Zero: The lid is closed
149 * Non-zero: The lid is open
150 */
151 status = acpi_GetInteger(sc->lid_handle, "_LID", &sc->lid_status);
152 if (ACPI_FAILURE(status))
153 goto out;
154
155 acpi_sc = acpi_device_get_parent_softc(sc->lid_dev);
156 if (acpi_sc == NULL)
157 goto out;
158
159 ACPI_VPRINT(sc->lid_dev, acpi_sc, "Lid %s\n",
160 sc->lid_status ? "opened" : "closed");
161
162 acpi_UserNotify("Lid", sc->lid_handle, sc->lid_status);
163
164 if (sc->lid_status == 0)
165 EVENTHANDLER_INVOKE(acpi_sleep_event, acpi_sc->acpi_lid_switch_sx);
166 else
167 EVENTHANDLER_INVOKE(acpi_wakeup_event, acpi_sc->acpi_lid_switch_sx);
168
169out:
170 ACPI_SERIAL_END(lid);
171 return_VOID;
172}
173
174/* XXX maybe not here */
175#define ACPI_NOTIFY_STATUS_CHANGED 0x80
176
177static void
178acpi_lid_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
179{
180 struct acpi_lid_softc *sc;
181
182 ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify);
183
184 sc = (struct acpi_lid_softc *)context;
185 switch (notify) {
186 case ACPI_NOTIFY_STATUS_CHANGED:
| 32
33#include "opt_acpi.h"
34#include <sys/param.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <sys/bus.h>
38#include <sys/proc.h>
39
40#include <contrib/dev/acpica/acpi.h>
41#include <dev/acpica/acpivar.h>
42
43/* Hooks for the ACPI CA debugging infrastructure */
44#define _COMPONENT ACPI_BUTTON
45ACPI_MODULE_NAME("LID")
46
47struct acpi_lid_softc {
48 device_t lid_dev;
49 ACPI_HANDLE lid_handle;
50 int lid_status; /* open or closed */
51};
52
53ACPI_SERIAL_DECL(lid, "ACPI lid");
54
55static int acpi_lid_probe(device_t dev);
56static int acpi_lid_attach(device_t dev);
57static int acpi_lid_suspend(device_t dev);
58static int acpi_lid_resume(device_t dev);
59static void acpi_lid_notify_status_changed(void *arg);
60static void acpi_lid_notify_handler(ACPI_HANDLE h, UINT32 notify,
61 void *context);
62
63static device_method_t acpi_lid_methods[] = {
64 /* Device interface */
65 DEVMETHOD(device_probe, acpi_lid_probe),
66 DEVMETHOD(device_attach, acpi_lid_attach),
67 DEVMETHOD(device_suspend, acpi_lid_suspend),
68 DEVMETHOD(device_resume, acpi_lid_resume),
69
70 {0, 0}
71};
72
73static driver_t acpi_lid_driver = {
74 "acpi_lid",
75 acpi_lid_methods,
76 sizeof(struct acpi_lid_softc),
77};
78
79static devclass_t acpi_lid_devclass;
80DRIVER_MODULE(acpi_lid, acpi, acpi_lid_driver, acpi_lid_devclass, 0, 0);
81MODULE_DEPEND(acpi_lid, acpi, 1, 1, 1);
82
83static int
84acpi_lid_probe(device_t dev)
85{
86 static char *lid_ids[] = { "PNP0C0D", NULL };
87
88 if (acpi_disabled("lid") ||
89 ACPI_ID_PROBE(device_get_parent(dev), dev, lid_ids) == NULL)
90 return (ENXIO);
91
92 device_set_desc(dev, "Control Method Lid Switch");
93 return (0);
94}
95
96static int
97acpi_lid_attach(device_t dev)
98{
99 struct acpi_lid_softc *sc;
100
101 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
102
103 sc = device_get_softc(dev);
104 sc->lid_dev = dev;
105 sc->lid_handle = acpi_get_handle(dev);
106
107 /*
108 * If a system does not get lid events, it may make sense to change
109 * the type to ACPI_ALL_NOTIFY. Some systems generate both a wake and
110 * runtime notify in that case though.
111 */
112 AcpiInstallNotifyHandler(sc->lid_handle, ACPI_DEVICE_NOTIFY,
113 acpi_lid_notify_handler, sc);
114
115 /* Enable the GPE for wake/runtime. */
116 acpi_wake_init(dev, ACPI_GPE_TYPE_WAKE_RUN);
117 acpi_wake_set_enable(dev, 1);
118
119 return (0);
120}
121
122static int
123acpi_lid_suspend(device_t dev)
124{
125 return (0);
126}
127
128static int
129acpi_lid_resume(device_t dev)
130{
131 return (0);
132}
133
134static void
135acpi_lid_notify_status_changed(void *arg)
136{
137 struct acpi_lid_softc *sc;
138 struct acpi_softc *acpi_sc;
139 ACPI_STATUS status;
140
141 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
142
143 sc = (struct acpi_lid_softc *)arg;
144 ACPI_SERIAL_BEGIN(lid);
145
146 /*
147 * Evaluate _LID and check the return value, update lid status.
148 * Zero: The lid is closed
149 * Non-zero: The lid is open
150 */
151 status = acpi_GetInteger(sc->lid_handle, "_LID", &sc->lid_status);
152 if (ACPI_FAILURE(status))
153 goto out;
154
155 acpi_sc = acpi_device_get_parent_softc(sc->lid_dev);
156 if (acpi_sc == NULL)
157 goto out;
158
159 ACPI_VPRINT(sc->lid_dev, acpi_sc, "Lid %s\n",
160 sc->lid_status ? "opened" : "closed");
161
162 acpi_UserNotify("Lid", sc->lid_handle, sc->lid_status);
163
164 if (sc->lid_status == 0)
165 EVENTHANDLER_INVOKE(acpi_sleep_event, acpi_sc->acpi_lid_switch_sx);
166 else
167 EVENTHANDLER_INVOKE(acpi_wakeup_event, acpi_sc->acpi_lid_switch_sx);
168
169out:
170 ACPI_SERIAL_END(lid);
171 return_VOID;
172}
173
174/* XXX maybe not here */
175#define ACPI_NOTIFY_STATUS_CHANGED 0x80
176
177static void
178acpi_lid_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
179{
180 struct acpi_lid_softc *sc;
181
182 ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify);
183
184 sc = (struct acpi_lid_softc *)context;
185 switch (notify) {
186 case ACPI_NOTIFY_STATUS_CHANGED:
|