/*- * Copyright (c) 2000 Mitsaru IWASAKI * Copyright (c) 2000 Michael Smith * Copyright (c) 2000 BSDi * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: src/sys/dev/acpica/acpi_button.c,v 1.13.2.1 2003/08/22 20:49:20 jhb Exp $ * $DragonFly: src/sys/dev/acpica/Attic/acpi_button.c,v 1.1 2003/09/24 03:32:16 drhodus Exp $ */ #include "opt_acpi.h" #include #include #include #include "acpi.h" #include /* * Hooks for the ACPI CA debugging infrastructure */ #define _COMPONENT ACPI_BUTTON ACPI_MODULE_NAME("BUTTON") struct acpi_button_softc { device_t button_dev; ACPI_HANDLE button_handle; #define ACPI_POWER_BUTTON 0 #define ACPI_SLEEP_BUTTON 1 boolean_t button_type; /* Power or Sleep Button */ }; static int acpi_button_probe(device_t dev); static int acpi_button_attach(device_t dev); static int acpi_button_suspend(device_t dev); static int acpi_button_resume(device_t dev); static void acpi_button_notify_handler(ACPI_HANDLE h,UINT32 notify, void *context); static void acpi_button_notify_pressed_for_sleep(void *arg); static void acpi_button_notify_pressed_for_wakeup(void *arg); static device_method_t acpi_button_methods[] = { /* Device interface */ DEVMETHOD(device_probe, acpi_button_probe), DEVMETHOD(device_attach, acpi_button_attach), DEVMETHOD(device_suspend, acpi_button_suspend), DEVMETHOD(device_resume, acpi_button_resume), {0, 0} }; static driver_t acpi_button_driver = { "acpi_button", acpi_button_methods, sizeof(struct acpi_button_softc), }; static devclass_t acpi_button_devclass; DRIVER_MODULE(acpi_button, acpi, acpi_button_driver, acpi_button_devclass, 0, 0); static int acpi_button_probe(device_t dev) { struct acpi_button_softc *sc; sc = device_get_softc(dev); if (acpi_get_type(dev) == ACPI_TYPE_DEVICE) { if (!acpi_disabled("button")) { if (acpi_MatchHid(dev, "PNP0C0C")) { device_set_desc(dev, "Power Button"); sc->button_type = ACPI_POWER_BUTTON; return(0); } if (acpi_MatchHid(dev, "PNP0C0E")) { device_set_desc(dev, "Sleep Button"); sc->button_type = ACPI_SLEEP_BUTTON; return(0); } } } return(ENXIO); } static int acpi_button_attach(device_t dev) { struct acpi_button_softc *sc; ACPI_STATUS status; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); sc = device_get_softc(dev); sc->button_dev = dev; sc->button_handle = acpi_get_handle(dev); if (ACPI_FAILURE(status = AcpiInstallNotifyHandler(sc->button_handle, ACPI_DEVICE_NOTIFY, acpi_button_notify_handler, sc))) { device_printf(sc->button_dev, "couldn't install Notify handler - %s\n", AcpiFormatException(status)); return_VALUE(ENXIO); } acpi_device_enable_wake_capability(sc->button_handle, 1); return_VALUE(0); } static int acpi_button_suspend(device_t dev) { struct acpi_button_softc *sc; sc = device_get_softc(dev); acpi_device_enable_wake_event(sc->button_handle); return (0); } static int acpi_button_resume(device_t dev) { return (0); } static void acpi_button_notify_pressed_for_sleep(void *arg) { struct acpi_button_softc *sc; struct acpi_softc *acpi_sc; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); sc = (struct acpi_button_softc *)arg; acpi_sc = acpi_device_get_parent_softc(sc->button_dev); if (acpi_sc == NULL) { return_VOID; } switch (sc->button_type) { case ACPI_POWER_BUTTON: ACPI_VPRINT(sc->button_dev, acpi_sc, "power button pressed\n"); acpi_eventhandler_power_button_for_sleep((void *)acpi_sc); break; case ACPI_SLEEP_BUTTON: ACPI_VPRINT(sc->button_dev, acpi_sc, "sleep button pressed\n"); acpi_eventhandler_sleep_button_for_sleep((void *)acpi_sc); break; default: break; /* unknown button type */ } return_VOID; } static void acpi_button_notify_pressed_for_wakeup(void *arg) { struct acpi_button_softc *sc; struct acpi_softc *acpi_sc; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); sc = (struct acpi_button_softc *)arg; acpi_sc = acpi_device_get_parent_softc(sc->button_dev); if (acpi_sc == NULL) { return_VOID; } switch (sc->button_type) { case ACPI_POWER_BUTTON: ACPI_VPRINT(sc->button_dev, acpi_sc, "wakeup by power button\n"); acpi_eventhandler_power_button_for_wakeup((void *)acpi_sc); break; case ACPI_SLEEP_BUTTON: ACPI_VPRINT(sc->button_dev, acpi_sc, "wakeup by sleep button\n"); acpi_eventhandler_sleep_button_for_wakeup((void *)acpi_sc); break; default: break; /* unknown button type */ } return_VOID; } /* XXX maybe not here */ #define ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP 0x80 #define ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP 0x02 static void acpi_button_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context) { struct acpi_button_softc *sc = (struct acpi_button_softc *)context; ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify); switch (notify) { case ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP: AcpiOsQueueForExecution(OSD_PRIORITY_LO, acpi_button_notify_pressed_for_sleep, sc); break; case ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP: AcpiOsQueueForExecution(OSD_PRIORITY_LO, acpi_button_notify_pressed_for_wakeup, sc); break; default: break; /* unknown notification value */ } return_VOID; }