310 lines
9.0 KiB
C
310 lines
9.0 KiB
C
/*-
|
|
* Copyright (c) 2000 Mitsaru IWASAKI <iwasaki@jp.freebsd.org>
|
|
* Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#include "opt_acpi.h"
|
|
#include "opt_evdev.h"
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/bus.h>
|
|
|
|
#include <contrib/dev/acpica/include/acpi.h>
|
|
#include <contrib/dev/acpica/include/accommon.h>
|
|
|
|
#include <dev/acpica/acpivar.h>
|
|
|
|
#ifdef EVDEV_SUPPORT
|
|
#include <dev/evdev/input.h>
|
|
#include <dev/evdev/evdev.h>
|
|
#endif
|
|
|
|
/* 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;
|
|
enum { ACPI_POWER_BUTTON, ACPI_SLEEP_BUTTON } button_type;
|
|
bool fixed;
|
|
#ifdef EVDEV_SUPPORT
|
|
struct evdev_dev *button_evdev;
|
|
#endif
|
|
};
|
|
|
|
#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP 0x80
|
|
#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP 0x02
|
|
|
|
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 ACPI_STATUS
|
|
acpi_button_fixed_handler(void *context);
|
|
static void acpi_button_notify_sleep(void *arg);
|
|
static void acpi_button_notify_wakeup(void *arg);
|
|
|
|
static char *btn_ids[] = {
|
|
"PNP0C0C", "ACPI_FPB", "PNP0C0E", "ACPI_FSB",
|
|
NULL
|
|
};
|
|
|
|
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_shutdown, acpi_button_suspend),
|
|
DEVMETHOD(device_resume, acpi_button_resume),
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static driver_t acpi_button_driver = {
|
|
"acpi_button",
|
|
acpi_button_methods,
|
|
sizeof(struct acpi_button_softc),
|
|
};
|
|
|
|
DRIVER_MODULE(acpi_button, acpi, acpi_button_driver, 0, 0);
|
|
MODULE_DEPEND(acpi_button, acpi, 1, 1, 1);
|
|
|
|
static int
|
|
acpi_button_probe(device_t dev)
|
|
{
|
|
struct acpi_button_softc *sc;
|
|
char *str;
|
|
int rv;
|
|
|
|
if (acpi_disabled("button"))
|
|
return (ENXIO);
|
|
rv = ACPI_ID_PROBE(device_get_parent(dev), dev, btn_ids, &str);
|
|
if (rv > 0)
|
|
return (ENXIO);
|
|
|
|
sc = device_get_softc(dev);
|
|
if (strcmp(str, "PNP0C0C") == 0) {
|
|
device_set_desc(dev, "Power Button");
|
|
sc->button_type = ACPI_POWER_BUTTON;
|
|
} else if (strcmp(str, "ACPI_FPB") == 0) {
|
|
device_set_desc(dev, "Power Button (fixed)");
|
|
sc->button_type = ACPI_POWER_BUTTON;
|
|
sc->fixed = true;
|
|
} else if (strcmp(str, "PNP0C0E") == 0) {
|
|
device_set_desc(dev, "Sleep Button");
|
|
sc->button_type = ACPI_SLEEP_BUTTON;
|
|
} else if (strcmp(str, "ACPI_FSB") == 0) {
|
|
device_set_desc(dev, "Sleep Button (fixed)");
|
|
sc->button_type = ACPI_SLEEP_BUTTON;
|
|
sc->fixed = true;
|
|
}
|
|
|
|
return (rv);
|
|
}
|
|
|
|
static int
|
|
acpi_button_attach(device_t dev)
|
|
{
|
|
struct acpi_prw_data prw;
|
|
struct acpi_button_softc *sc;
|
|
ACPI_STATUS status;
|
|
int event;
|
|
|
|
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
|
|
|
|
sc = device_get_softc(dev);
|
|
sc->button_dev = dev;
|
|
sc->button_handle = acpi_get_handle(dev);
|
|
event = (sc->button_type == ACPI_SLEEP_BUTTON) ?
|
|
ACPI_EVENT_SLEEP_BUTTON : ACPI_EVENT_POWER_BUTTON;
|
|
|
|
#ifdef EVDEV_SUPPORT
|
|
sc->button_evdev = evdev_alloc();
|
|
evdev_set_name(sc->button_evdev, device_get_desc(dev));
|
|
evdev_set_phys(sc->button_evdev, device_get_nameunit(dev));
|
|
evdev_set_id(sc->button_evdev, BUS_HOST, 0, 0, 1);
|
|
evdev_support_event(sc->button_evdev, EV_SYN);
|
|
evdev_support_event(sc->button_evdev, EV_KEY);
|
|
evdev_support_key(sc->button_evdev,
|
|
(sc->button_type == ACPI_SLEEP_BUTTON) ? KEY_SLEEP : KEY_POWER);
|
|
|
|
if (evdev_register(sc->button_evdev))
|
|
return (ENXIO);
|
|
#endif
|
|
|
|
/*
|
|
* Install the new handler. We could remove any fixed handlers added
|
|
* from the FADT once we have a duplicate from the AML but some systems
|
|
* only return events on one or the other so we have to keep both.
|
|
*/
|
|
if (sc->fixed) {
|
|
AcpiClearEvent(event);
|
|
status = AcpiInstallFixedEventHandler(event,
|
|
acpi_button_fixed_handler, sc);
|
|
} else {
|
|
/*
|
|
* If a system does not get lid events, it may make sense to change
|
|
* the type to ACPI_ALL_NOTIFY. Some systems generate both a wake
|
|
* and runtime notify in that case though.
|
|
*/
|
|
status = AcpiInstallNotifyHandler(sc->button_handle,
|
|
ACPI_DEVICE_NOTIFY, acpi_button_notify_handler, sc);
|
|
}
|
|
if (ACPI_FAILURE(status)) {
|
|
device_printf(sc->button_dev, "couldn't install notify handler - %s\n",
|
|
AcpiFormatException(status));
|
|
return_VALUE (ENXIO);
|
|
}
|
|
|
|
/* Enable the GPE for wake/runtime. */
|
|
acpi_wake_set_enable(dev, 1);
|
|
if (acpi_parse_prw(sc->button_handle, &prw) == 0)
|
|
AcpiEnableGpe(prw.gpe_handle, prw.gpe_bit);
|
|
|
|
return_VALUE (0);
|
|
}
|
|
|
|
static int
|
|
acpi_button_suspend(device_t dev)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
acpi_button_resume(device_t dev)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
acpi_button_notify_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;
|
|
|
|
acpi_UserNotify("Button", sc->button_handle, sc->button_type);
|
|
|
|
switch (sc->button_type) {
|
|
case ACPI_POWER_BUTTON:
|
|
ACPI_VPRINT(sc->button_dev, acpi_sc, "power button pressed\n");
|
|
acpi_event_power_button_sleep(acpi_sc);
|
|
break;
|
|
case ACPI_SLEEP_BUTTON:
|
|
ACPI_VPRINT(sc->button_dev, acpi_sc, "sleep button pressed\n");
|
|
acpi_event_sleep_button_sleep(acpi_sc);
|
|
break;
|
|
default:
|
|
break; /* unknown button type */
|
|
}
|
|
}
|
|
|
|
static void
|
|
acpi_button_notify_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;
|
|
|
|
acpi_UserNotify("Button", sc->button_handle, sc->button_type);
|
|
|
|
switch (sc->button_type) {
|
|
case ACPI_POWER_BUTTON:
|
|
ACPI_VPRINT(sc->button_dev, acpi_sc, "wakeup by power button\n");
|
|
acpi_event_power_button_wake(acpi_sc);
|
|
break;
|
|
case ACPI_SLEEP_BUTTON:
|
|
ACPI_VPRINT(sc->button_dev, acpi_sc, "wakeup by sleep button\n");
|
|
acpi_event_sleep_button_wake(acpi_sc);
|
|
break;
|
|
default:
|
|
break; /* unknown button type */
|
|
}
|
|
}
|
|
|
|
static void
|
|
acpi_button_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
|
|
{
|
|
struct acpi_button_softc *sc;
|
|
#ifdef EVDEV_SUPPORT
|
|
uint16_t key;
|
|
#endif
|
|
|
|
ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify);
|
|
|
|
sc = (struct acpi_button_softc *)context;
|
|
switch (notify) {
|
|
case ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP:
|
|
AcpiOsExecute(OSL_NOTIFY_HANDLER, acpi_button_notify_sleep, sc);
|
|
break;
|
|
case ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP:
|
|
AcpiOsExecute(OSL_NOTIFY_HANDLER, acpi_button_notify_wakeup, sc);
|
|
break;
|
|
default:
|
|
device_printf(sc->button_dev, "unknown notify %#x\n", notify);
|
|
break;
|
|
}
|
|
|
|
#ifdef EVDEV_SUPPORT
|
|
key = (sc->button_type == ACPI_SLEEP_BUTTON) ? KEY_SLEEP : KEY_POWER;
|
|
evdev_push_key(sc->button_evdev, key, 1);
|
|
evdev_sync(sc->button_evdev);
|
|
evdev_push_key(sc->button_evdev, key, 0);
|
|
evdev_sync(sc->button_evdev);
|
|
#endif
|
|
}
|
|
|
|
static ACPI_STATUS
|
|
acpi_button_fixed_handler(void *context)
|
|
{
|
|
struct acpi_button_softc *sc = (struct acpi_button_softc *)context;
|
|
|
|
ACPI_FUNCTION_TRACE_PTR((char *)(uintptr_t)__func__, context);
|
|
|
|
if (context == NULL)
|
|
return_ACPI_STATUS (AE_BAD_PARAMETER);
|
|
|
|
acpi_button_notify_handler(sc->button_handle,
|
|
ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP, sc);
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|