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 --- 11 unchanged lines hidden (view full) --- 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 * $FreeBSD: head/sys/dev/acpica/acpi_button.c 125679 2004-02-11 02:57:33Z njl $ |
29 */ 30 31#include "opt_acpi.h" 32#include <sys/param.h> 33#include <sys/kernel.h> 34#include <sys/bus.h> 35 36#include "acpi.h" --- 18 unchanged lines hidden (view full) --- 55static int acpi_button_probe(device_t dev); 56static int acpi_button_attach(device_t dev); 57static int acpi_button_suspend(device_t dev); 58static int acpi_button_resume(device_t dev); 59static void acpi_button_notify_handler(ACPI_HANDLE h, UINT32 notify, 60 void *context); 61static ACPI_STATUS 62 acpi_button_fixed_handler(void *context); |
63static void acpi_button_notify_sleep(void *arg); 64static void acpi_button_notify_wakeup(void *arg); |
65 66static device_method_t acpi_button_methods[] = { 67 /* Device interface */ 68 DEVMETHOD(device_probe, acpi_button_probe), 69 DEVMETHOD(device_attach, acpi_button_attach), 70 DEVMETHOD(device_suspend, acpi_button_suspend), 71 DEVMETHOD(device_shutdown, acpi_button_suspend), 72 DEVMETHOD(device_resume, acpi_button_resume), --- 49 unchanged lines hidden (view full) --- 122 ACPI_STATUS status; 123 int event; 124 125 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 126 127 sc = device_get_softc(dev); 128 sc->button_dev = dev; 129 sc->button_handle = acpi_get_handle(dev); |
130 event = (sc->button_type == ACPI_SLEEP_BUTTON) ? 131 ACPI_EVENT_SLEEP_BUTTON : ACPI_EVENT_POWER_BUTTON; |
132 |
133 /* Install the appropriate new handler. */ |
134 if (sc->fixed) { |
135 AcpiEnableEvent(event, 0); 136 AcpiClearEvent(event); |
137 status = AcpiInstallFixedEventHandler(event, 138 acpi_button_fixed_handler, sc); 139 } else { 140 status = AcpiInstallNotifyHandler(sc->button_handle, 141 ACPI_DEVICE_NOTIFY, acpi_button_notify_handler, sc); 142 } 143 if (ACPI_FAILURE(status)) { 144 device_printf(sc->button_dev, "couldn't install notify handler - %s\n", 145 AcpiFormatException(status)); 146 return_VALUE (ENXIO); 147 } 148 acpi_device_enable_wake_capability(sc->button_handle, 1); |
149 150 /* 151 * If we have fixed buttons defined in the FADT, remove them now that 152 * we have found one in the AML. Some systems define buttons both ways 153 * but only deliver events to the AML object. 154 */ 155 if (event == ACPI_EVENT_POWER_BUTTON && AcpiGbl_FADT->PwrButton == 0) { 156 AcpiDisableEvent(event, 0); 157 AcpiClearEvent(event); 158 AcpiRemoveFixedEventHandler(event, acpi_event_power_button_sleep); 159 } 160 if (event == ACPI_EVENT_SLEEP_BUTTON && AcpiGbl_FADT->SleepButton == 0) { 161 AcpiDisableEvent(event, 0); 162 AcpiClearEvent(event); 163 AcpiRemoveFixedEventHandler(event, acpi_event_sleep_button_sleep); 164 } 165 |
166 return_VALUE (0); 167} 168 169static int 170acpi_button_suspend(device_t dev) 171{ 172 struct acpi_button_softc *sc; 173 --- 4 unchanged lines hidden (view full) --- 178 179static int 180acpi_button_resume(device_t dev) 181{ 182 return (0); 183} 184 185static void |
186acpi_button_notify_sleep(void *arg) |
187{ 188 struct acpi_button_softc *sc; 189 struct acpi_softc *acpi_sc; 190 191 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 192 193 sc = (struct acpi_button_softc *)arg; 194 acpi_sc = acpi_device_get_parent_softc(sc->button_dev); 195 if (acpi_sc == NULL) 196 return_VOID; 197 198 acpi_UserNotify("Button", sc->button_handle, sc->button_type); 199 200 switch (sc->button_type) { 201 case ACPI_POWER_BUTTON: 202 ACPI_VPRINT(sc->button_dev, acpi_sc, "power button pressed\n"); |
203 acpi_event_power_button_sleep(acpi_sc); |
204 break; 205 case ACPI_SLEEP_BUTTON: 206 ACPI_VPRINT(sc->button_dev, acpi_sc, "sleep button pressed\n"); |
207 acpi_event_sleep_button_sleep(acpi_sc); |
208 break; 209 default: 210 break; /* unknown button type */ 211 } 212} 213 214static void |
215acpi_button_notify_wakeup(void *arg) |
216{ 217 struct acpi_button_softc *sc; 218 struct acpi_softc *acpi_sc; 219 220 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 221 222 sc = (struct acpi_button_softc *)arg; 223 acpi_sc = acpi_device_get_parent_softc(sc->button_dev); 224 if (acpi_sc == NULL) 225 return_VOID; 226 227 acpi_UserNotify("Button", sc->button_handle, sc->button_type); 228 229 switch (sc->button_type) { 230 case ACPI_POWER_BUTTON: 231 ACPI_VPRINT(sc->button_dev, acpi_sc, "wakeup by power button\n"); |
232 acpi_event_power_button_wake(acpi_sc); |
233 break; 234 case ACPI_SLEEP_BUTTON: 235 ACPI_VPRINT(sc->button_dev, acpi_sc, "wakeup by sleep button\n"); |
236 acpi_event_sleep_button_wake(acpi_sc); |
237 break; 238 default: 239 break; /* unknown button type */ 240 } 241} 242 243static void 244acpi_button_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context) 245{ 246 struct acpi_button_softc *sc = (struct acpi_button_softc *)context; 247 248 ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify); 249 250 switch (notify) { 251 case ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP: 252 AcpiOsQueueForExecution(OSD_PRIORITY_LO, |
253 acpi_button_notify_sleep, sc); |
254 break; 255 case ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP: 256 AcpiOsQueueForExecution(OSD_PRIORITY_LO, |
257 acpi_button_notify_wakeup, sc); |
258 break; 259 default: 260 break; /* unknown notification value */ 261 } 262} 263 264static ACPI_STATUS 265acpi_button_fixed_handler(void *context) --- 12 unchanged lines hidden --- |