1/*-
2 * Copyright (c) 2000 Mitsaru IWASAKI <iwasaki@jp.freebsd.org>
3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
4 * Copyright (c) 2000 BSDi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2000 Mitsaru IWASAKI <iwasaki@jp.freebsd.org>
3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
4 * Copyright (c) 2000 BSDi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
|
39#include <dev/acpica/acpivar.h>
40
41/* Hooks for the ACPI CA debugging infrastructure */
42#define _COMPONENT ACPI_BUTTON
43ACPI_MODULE_NAME("BUTTON")
44
45struct acpi_button_softc {
46 device_t button_dev;
47 ACPI_HANDLE button_handle;
48 boolean_t button_type;
49#define ACPI_POWER_BUTTON 0
50#define ACPI_SLEEP_BUTTON 1
51 boolean_t fixed;
52};
53
54#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP 0x80
55#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP 0x02
56
57static int acpi_button_probe(device_t dev);
58static int acpi_button_attach(device_t dev);
59static int acpi_button_suspend(device_t dev);
60static int acpi_button_resume(device_t dev);
61static void acpi_button_notify_handler(ACPI_HANDLE h, UINT32 notify,
62 void *context);
63static ACPI_STATUS
64 acpi_button_fixed_handler(void *context);
65static void acpi_button_notify_sleep(void *arg);
66static void acpi_button_notify_wakeup(void *arg);
67
68static char *btn_ids[] = {
69 "PNP0C0C", "ACPI_FPB", "PNP0C0E", "ACPI_FSB",
70 NULL
71};
72
73static device_method_t acpi_button_methods[] = {
74 /* Device interface */
75 DEVMETHOD(device_probe, acpi_button_probe),
76 DEVMETHOD(device_attach, acpi_button_attach),
77 DEVMETHOD(device_suspend, acpi_button_suspend),
78 DEVMETHOD(device_shutdown, acpi_button_suspend),
79 DEVMETHOD(device_resume, acpi_button_resume),
80
81 {0, 0}
82};
83
84static driver_t acpi_button_driver = {
85 "acpi_button",
86 acpi_button_methods,
87 sizeof(struct acpi_button_softc),
88};
89
90static devclass_t acpi_button_devclass;
91DRIVER_MODULE(acpi_button, acpi, acpi_button_driver, acpi_button_devclass,
92 0, 0);
93MODULE_DEPEND(acpi_button, acpi, 1, 1, 1);
94
95static int
96acpi_button_probe(device_t dev)
97{
98 struct acpi_button_softc *sc;
99 char *str;
100
101 if (acpi_disabled("button") ||
102 (str = ACPI_ID_PROBE(device_get_parent(dev), dev, btn_ids)) == NULL)
103 return (ENXIO);
104
105 sc = device_get_softc(dev);
106 if (strcmp(str, "PNP0C0C") == 0) {
107 device_set_desc(dev, "Power Button");
108 sc->button_type = ACPI_POWER_BUTTON;
109 } else if (strcmp(str, "ACPI_FPB") == 0) {
110 device_set_desc(dev, "Power Button (fixed)");
111 sc->button_type = ACPI_POWER_BUTTON;
112 sc->fixed = 1;
113 } else if (strcmp(str, "PNP0C0E") == 0) {
114 device_set_desc(dev, "Sleep Button");
115 sc->button_type = ACPI_SLEEP_BUTTON;
116 } else if (strcmp(str, "ACPI_FSB") == 0) {
117 device_set_desc(dev, "Sleep Button (fixed)");
118 sc->button_type = ACPI_SLEEP_BUTTON;
119 sc->fixed = 1;
120 }
121
122 return (0);
123}
124
125static int
126acpi_button_attach(device_t dev)
127{
128 struct acpi_button_softc *sc;
129 ACPI_STATUS status;
130 int event;
131
132 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
133
134 sc = device_get_softc(dev);
135 sc->button_dev = dev;
136 sc->button_handle = acpi_get_handle(dev);
137 event = (sc->button_type == ACPI_SLEEP_BUTTON) ?
138 ACPI_EVENT_SLEEP_BUTTON : ACPI_EVENT_POWER_BUTTON;
139
140 /*
141 * Install the new handler. We could remove any fixed handlers added
142 * from the FADT once we have a duplicate from the AML but some systems
143 * only return events on one or the other so we have to keep both.
144 */
145 if (sc->fixed) {
146 AcpiClearEvent(event);
147 status = AcpiInstallFixedEventHandler(event,
148 acpi_button_fixed_handler, sc);
149 } else {
150 /*
151 * If a system does not get lid events, it may make sense to change
152 * the type to ACPI_ALL_NOTIFY. Some systems generate both a wake
153 * and runtime notify in that case though.
154 */
155 status = AcpiInstallNotifyHandler(sc->button_handle,
156 ACPI_DEVICE_NOTIFY, acpi_button_notify_handler, sc);
157 }
158 if (ACPI_FAILURE(status)) {
159 device_printf(sc->button_dev, "couldn't install notify handler - %s\n",
160 AcpiFormatException(status));
161 return_VALUE (ENXIO);
162 }
163
164 /* Enable the GPE for wake/runtime. */
165 acpi_wake_init(dev, ACPI_GPE_TYPE_WAKE_RUN);
166 acpi_wake_set_enable(dev, 1);
167
168 return_VALUE (0);
169}
170
171static int
172acpi_button_suspend(device_t dev)
173{
174 return (0);
175}
176
177static int
178acpi_button_resume(device_t dev)
179{
180 return (0);
181}
182
183static void
184acpi_button_notify_sleep(void *arg)
185{
186 struct acpi_button_softc *sc;
187 struct acpi_softc *acpi_sc;
188
189 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
190
191 sc = (struct acpi_button_softc *)arg;
192 acpi_sc = acpi_device_get_parent_softc(sc->button_dev);
193 if (acpi_sc == NULL)
194 return_VOID;
195
196 acpi_UserNotify("Button", sc->button_handle, sc->button_type);
197
198 switch (sc->button_type) {
199 case ACPI_POWER_BUTTON:
200 ACPI_VPRINT(sc->button_dev, acpi_sc, "power button pressed\n");
201 acpi_event_power_button_sleep(acpi_sc);
202 break;
203 case ACPI_SLEEP_BUTTON:
204 ACPI_VPRINT(sc->button_dev, acpi_sc, "sleep button pressed\n");
205 acpi_event_sleep_button_sleep(acpi_sc);
206 break;
207 default:
208 break; /* unknown button type */
209 }
210}
211
212static void
213acpi_button_notify_wakeup(void *arg)
214{
215 struct acpi_button_softc *sc;
216 struct acpi_softc *acpi_sc;
217
218 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
219
220 sc = (struct acpi_button_softc *)arg;
221 acpi_sc = acpi_device_get_parent_softc(sc->button_dev);
222 if (acpi_sc == NULL)
223 return_VOID;
224
225 acpi_UserNotify("Button", sc->button_handle, sc->button_type);
226
227 switch (sc->button_type) {
228 case ACPI_POWER_BUTTON:
229 ACPI_VPRINT(sc->button_dev, acpi_sc, "wakeup by power button\n");
230 acpi_event_power_button_wake(acpi_sc);
231 break;
232 case ACPI_SLEEP_BUTTON:
233 ACPI_VPRINT(sc->button_dev, acpi_sc, "wakeup by sleep button\n");
234 acpi_event_sleep_button_wake(acpi_sc);
235 break;
236 default:
237 break; /* unknown button type */
238 }
239}
240
241static void
242acpi_button_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
243{
244 struct acpi_button_softc *sc;
245
246 ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify);
247
248 sc = (struct acpi_button_softc *)context;
249 switch (notify) {
250 case ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP:
251 AcpiOsQueueForExecution(OSD_PRIORITY_LO,
252 acpi_button_notify_sleep, sc);
253 break;
254 case ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP:
255 AcpiOsQueueForExecution(OSD_PRIORITY_LO,
256 acpi_button_notify_wakeup, sc);
257 break;
258 default:
259 device_printf(sc->button_dev, "unknown notify %#x\n", notify);
260 break;
261 }
262}
263
264static ACPI_STATUS
265acpi_button_fixed_handler(void *context)
266{
267 struct acpi_button_softc *sc = (struct acpi_button_softc *)context;
268
269 ACPI_FUNCTION_TRACE_PTR((char *)(uintptr_t)__func__, context);
270
271 if (context == NULL)
272 return_ACPI_STATUS (AE_BAD_PARAMETER);
273
274 acpi_button_notify_handler(sc->button_handle,
275 ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP, sc);
276 return_ACPI_STATUS (AE_OK);
277}
| 39#include <dev/acpica/acpivar.h>
40
41/* Hooks for the ACPI CA debugging infrastructure */
42#define _COMPONENT ACPI_BUTTON
43ACPI_MODULE_NAME("BUTTON")
44
45struct acpi_button_softc {
46 device_t button_dev;
47 ACPI_HANDLE button_handle;
48 boolean_t button_type;
49#define ACPI_POWER_BUTTON 0
50#define ACPI_SLEEP_BUTTON 1
51 boolean_t fixed;
52};
53
54#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP 0x80
55#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP 0x02
56
57static int acpi_button_probe(device_t dev);
58static int acpi_button_attach(device_t dev);
59static int acpi_button_suspend(device_t dev);
60static int acpi_button_resume(device_t dev);
61static void acpi_button_notify_handler(ACPI_HANDLE h, UINT32 notify,
62 void *context);
63static ACPI_STATUS
64 acpi_button_fixed_handler(void *context);
65static void acpi_button_notify_sleep(void *arg);
66static void acpi_button_notify_wakeup(void *arg);
67
68static char *btn_ids[] = {
69 "PNP0C0C", "ACPI_FPB", "PNP0C0E", "ACPI_FSB",
70 NULL
71};
72
73static device_method_t acpi_button_methods[] = {
74 /* Device interface */
75 DEVMETHOD(device_probe, acpi_button_probe),
76 DEVMETHOD(device_attach, acpi_button_attach),
77 DEVMETHOD(device_suspend, acpi_button_suspend),
78 DEVMETHOD(device_shutdown, acpi_button_suspend),
79 DEVMETHOD(device_resume, acpi_button_resume),
80
81 {0, 0}
82};
83
84static driver_t acpi_button_driver = {
85 "acpi_button",
86 acpi_button_methods,
87 sizeof(struct acpi_button_softc),
88};
89
90static devclass_t acpi_button_devclass;
91DRIVER_MODULE(acpi_button, acpi, acpi_button_driver, acpi_button_devclass,
92 0, 0);
93MODULE_DEPEND(acpi_button, acpi, 1, 1, 1);
94
95static int
96acpi_button_probe(device_t dev)
97{
98 struct acpi_button_softc *sc;
99 char *str;
100
101 if (acpi_disabled("button") ||
102 (str = ACPI_ID_PROBE(device_get_parent(dev), dev, btn_ids)) == NULL)
103 return (ENXIO);
104
105 sc = device_get_softc(dev);
106 if (strcmp(str, "PNP0C0C") == 0) {
107 device_set_desc(dev, "Power Button");
108 sc->button_type = ACPI_POWER_BUTTON;
109 } else if (strcmp(str, "ACPI_FPB") == 0) {
110 device_set_desc(dev, "Power Button (fixed)");
111 sc->button_type = ACPI_POWER_BUTTON;
112 sc->fixed = 1;
113 } else if (strcmp(str, "PNP0C0E") == 0) {
114 device_set_desc(dev, "Sleep Button");
115 sc->button_type = ACPI_SLEEP_BUTTON;
116 } else if (strcmp(str, "ACPI_FSB") == 0) {
117 device_set_desc(dev, "Sleep Button (fixed)");
118 sc->button_type = ACPI_SLEEP_BUTTON;
119 sc->fixed = 1;
120 }
121
122 return (0);
123}
124
125static int
126acpi_button_attach(device_t dev)
127{
128 struct acpi_button_softc *sc;
129 ACPI_STATUS status;
130 int event;
131
132 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
133
134 sc = device_get_softc(dev);
135 sc->button_dev = dev;
136 sc->button_handle = acpi_get_handle(dev);
137 event = (sc->button_type == ACPI_SLEEP_BUTTON) ?
138 ACPI_EVENT_SLEEP_BUTTON : ACPI_EVENT_POWER_BUTTON;
139
140 /*
141 * Install the new handler. We could remove any fixed handlers added
142 * from the FADT once we have a duplicate from the AML but some systems
143 * only return events on one or the other so we have to keep both.
144 */
145 if (sc->fixed) {
146 AcpiClearEvent(event);
147 status = AcpiInstallFixedEventHandler(event,
148 acpi_button_fixed_handler, sc);
149 } else {
150 /*
151 * If a system does not get lid events, it may make sense to change
152 * the type to ACPI_ALL_NOTIFY. Some systems generate both a wake
153 * and runtime notify in that case though.
154 */
155 status = AcpiInstallNotifyHandler(sc->button_handle,
156 ACPI_DEVICE_NOTIFY, acpi_button_notify_handler, sc);
157 }
158 if (ACPI_FAILURE(status)) {
159 device_printf(sc->button_dev, "couldn't install notify handler - %s\n",
160 AcpiFormatException(status));
161 return_VALUE (ENXIO);
162 }
163
164 /* Enable the GPE for wake/runtime. */
165 acpi_wake_init(dev, ACPI_GPE_TYPE_WAKE_RUN);
166 acpi_wake_set_enable(dev, 1);
167
168 return_VALUE (0);
169}
170
171static int
172acpi_button_suspend(device_t dev)
173{
174 return (0);
175}
176
177static int
178acpi_button_resume(device_t dev)
179{
180 return (0);
181}
182
183static void
184acpi_button_notify_sleep(void *arg)
185{
186 struct acpi_button_softc *sc;
187 struct acpi_softc *acpi_sc;
188
189 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
190
191 sc = (struct acpi_button_softc *)arg;
192 acpi_sc = acpi_device_get_parent_softc(sc->button_dev);
193 if (acpi_sc == NULL)
194 return_VOID;
195
196 acpi_UserNotify("Button", sc->button_handle, sc->button_type);
197
198 switch (sc->button_type) {
199 case ACPI_POWER_BUTTON:
200 ACPI_VPRINT(sc->button_dev, acpi_sc, "power button pressed\n");
201 acpi_event_power_button_sleep(acpi_sc);
202 break;
203 case ACPI_SLEEP_BUTTON:
204 ACPI_VPRINT(sc->button_dev, acpi_sc, "sleep button pressed\n");
205 acpi_event_sleep_button_sleep(acpi_sc);
206 break;
207 default:
208 break; /* unknown button type */
209 }
210}
211
212static void
213acpi_button_notify_wakeup(void *arg)
214{
215 struct acpi_button_softc *sc;
216 struct acpi_softc *acpi_sc;
217
218 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
219
220 sc = (struct acpi_button_softc *)arg;
221 acpi_sc = acpi_device_get_parent_softc(sc->button_dev);
222 if (acpi_sc == NULL)
223 return_VOID;
224
225 acpi_UserNotify("Button", sc->button_handle, sc->button_type);
226
227 switch (sc->button_type) {
228 case ACPI_POWER_BUTTON:
229 ACPI_VPRINT(sc->button_dev, acpi_sc, "wakeup by power button\n");
230 acpi_event_power_button_wake(acpi_sc);
231 break;
232 case ACPI_SLEEP_BUTTON:
233 ACPI_VPRINT(sc->button_dev, acpi_sc, "wakeup by sleep button\n");
234 acpi_event_sleep_button_wake(acpi_sc);
235 break;
236 default:
237 break; /* unknown button type */
238 }
239}
240
241static void
242acpi_button_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
243{
244 struct acpi_button_softc *sc;
245
246 ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify);
247
248 sc = (struct acpi_button_softc *)context;
249 switch (notify) {
250 case ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP:
251 AcpiOsQueueForExecution(OSD_PRIORITY_LO,
252 acpi_button_notify_sleep, sc);
253 break;
254 case ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP:
255 AcpiOsQueueForExecution(OSD_PRIORITY_LO,
256 acpi_button_notify_wakeup, sc);
257 break;
258 default:
259 device_printf(sc->button_dev, "unknown notify %#x\n", notify);
260 break;
261 }
262}
263
264static ACPI_STATUS
265acpi_button_fixed_handler(void *context)
266{
267 struct acpi_button_softc *sc = (struct acpi_button_softc *)context;
268
269 ACPI_FUNCTION_TRACE_PTR((char *)(uintptr_t)__func__, context);
270
271 if (context == NULL)
272 return_ACPI_STATUS (AE_BAD_PARAMETER);
273
274 acpi_button_notify_handler(sc->button_handle,
275 ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP, sc);
276 return_ACPI_STATUS (AE_OK);
277}
|