91467fc61d
acpi_EvaluateInteger. Use acpi_EvaluateInteger instead of doing things the hard way where possible. AcpiSetSystemSleepState (unofficial) becomes AcpiEnterSleepState. Use the AcpiGbl_FADT pointer rather than searching for the FADT.
166 lines
4.2 KiB
C
166 lines
4.2 KiB
C
/*-
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* Copyright (c) 2000 Takanori Watanabe
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include "opt_acpi.h"
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <sys/ioccom.h>
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#include <sys/malloc.h>
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#include <sys/conf.h>
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#include "acpi.h"
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#include <dev/acpica/acpivar.h>
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#include <dev/acpica/acpiio.h>
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#define ACPI_DEVICE_CHECK_PNP 0x00
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#define ACPI_DEVICE_CHECK_EXISTENCE 0x01
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#define ACPI_POWERSOURCE_STAT_CHANGE 0x80
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static void acpi_acad_get_status(void * );
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static void acpi_acad_notify_handler(ACPI_HANDLE , UINT32 ,void *);
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static int acpi_acad_probe(device_t);
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static int acpi_acad_attach(device_t);
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static int acpi_acad_ioctl(u_long, caddr_t, void *);
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struct acpi_acad_softc {
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int status;
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};
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static void
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acpi_acad_get_status(void *context)
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{
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device_t dev = context;
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struct acpi_acad_softc *sc = device_get_softc(dev);
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ACPI_HANDLE h = acpi_get_handle(dev);
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if (acpi_EvaluateInteger(h, "_PSR", &sc->status) != AE_OK)
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return;
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device_printf(dev,"%s\n",(sc->status) ? "On Line" : "Off Line");
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}
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static void
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acpi_acad_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
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{
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device_t dev = context;
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device_printf(dev, "Notify %d\n", notify);
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switch (notify) {
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case ACPI_DEVICE_CHECK_PNP:
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case ACPI_DEVICE_CHECK_EXISTENCE:
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case ACPI_POWERSOURCE_STAT_CHANGE:
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/*Temporally. It is better to notify policy manager*/
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AcpiOsQueueForExecution(OSD_PRIORITY_LO,
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acpi_acad_get_status,context);
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break;
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default:
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break;
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}
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}
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static int
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acpi_acad_probe(device_t dev)
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{
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if ((acpi_get_type(dev) == ACPI_TYPE_DEVICE) &&
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acpi_MatchHid(dev, "ACPI0003")) {
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/*
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* Set device description
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*/
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device_set_desc(dev, "AC adapter");
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return(0);
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}
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return(ENXIO);
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}
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static int
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acpi_acad_attach(device_t dev)
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{
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int error;
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ACPI_HANDLE handle = acpi_get_handle(dev);
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AcpiInstallNotifyHandler(handle,
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ACPI_DEVICE_NOTIFY,
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acpi_acad_notify_handler, dev);
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/*Installing system notify is not so good*/
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AcpiInstallNotifyHandler(handle,
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ACPI_SYSTEM_NOTIFY,
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acpi_acad_notify_handler, dev);
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acpi_acad_get_status((void *)dev);
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error = acpi_register_ioctl(ACPIIO_ACAD_GET_STATUS, acpi_acad_ioctl,
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device_get_softc(dev));
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if (error)
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return (error);
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return(0);
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}
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static device_method_t acpi_acad_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, acpi_acad_probe),
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DEVMETHOD(device_attach, acpi_acad_attach),
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{0, 0}
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};
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static driver_t acpi_acad_driver = {
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"acpi_acad",
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acpi_acad_methods,
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sizeof(struct acpi_acad_softc),
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};
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static devclass_t acpi_acad_devclass;
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DRIVER_MODULE(acpi_acad,acpi,acpi_acad_driver,acpi_acad_devclass,0,0);
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static int
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acpi_acad_ioctl(u_long cmd, caddr_t addr, void *arg)
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{
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struct acpi_acad_softc *sc;
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sc = (struct acpi_acad_softc *)arg;
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if (sc == NULL) {
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return(ENXIO);
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}
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switch (cmd) {
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case ACPIIO_ACAD_GET_STATUS:
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*(int *)addr = sc->status;
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break;
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}
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return(0);
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}
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