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Add support for fixed event buttons defined in the DSDT (HID "ACPI_FSB"

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and "ACPI_FPB").

Pointed out by:		Linux
This commit is contained in:
Nate Lawson 2003-09-21 02:49:59 +00:00
parent f8363bdee9
commit be8dca590c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=120308
1 changed files with 49 additions and 17 deletions
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66
sys/dev/acpica/acpi_button.c
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@ -43,9 +43,10 @@ ACPI_MODULE_NAME("BUTTON")
struct acpi_button_softc {
device_t button_dev;
ACPI_HANDLE button_handle;
boolean_t button_type; /* Power or Sleep Button */
boolean_t button_type;
#define ACPI_POWER_BUTTON 0
#define ACPI_SLEEP_BUTTON 1
boolean_t fixed;
};
#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP 0x80
@ -57,6 +58,8 @@ 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_pressed_for_sleep(void *arg);
static void acpi_button_notify_pressed_for_wakeup(void *arg);
@ -85,23 +88,31 @@ static int
acpi_button_probe(device_t dev)
{
struct acpi_button_softc *sc;
int ret = ENXIO;
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);
}
if (acpi_get_type(dev) == ACPI_TYPE_DEVICE && !acpi_disabled("button")) {
if (acpi_MatchHid(dev, "PNP0C0C")) {
device_set_desc(dev, "Power Button");
sc->button_type = ACPI_POWER_BUTTON;
ret = 0;
} else if (acpi_MatchHid(dev, "ACPI_FPB")) {
device_set_desc(dev, "Power Button (fixed)");
sc->button_type = ACPI_POWER_BUTTON;
sc->fixed = 1;
ret = 0;
} else if (acpi_MatchHid(dev, "PNP0C0E")) {
device_set_desc(dev, "Sleep Button");
sc->button_type = ACPI_SLEEP_BUTTON;
ret = 0;
} else if (acpi_MatchHid(dev, "ACPI_FSB")) {
device_set_desc(dev, "Sleep Button (fixed)");
sc->button_type = ACPI_SLEEP_BUTTON;
sc->fixed = 1;
ret = 0;
}
}
return (ENXIO);
return (ret);
}
static int
@ -109,6 +120,7 @@ acpi_button_attach(device_t dev)
{
struct acpi_button_softc *sc;
ACPI_STATUS status;
int event;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
@ -116,10 +128,17 @@ acpi_button_attach(device_t dev)
sc->button_dev = dev;
sc->button_handle = acpi_get_handle(dev);
status = AcpiInstallNotifyHandler(sc->button_handle, ACPI_DEVICE_NOTIFY,
acpi_button_notify_handler, sc);
if (sc->fixed) {
event = (sc->button_type == ACPI_SLEEP_BUTTON) ?
ACPI_EVENT_SLEEP_BUTTON : ACPI_EVENT_POWER_BUTTON;
status = AcpiInstallFixedEventHandler(event,
acpi_button_fixed_handler, sc);
} else {
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",
device_printf(sc->button_dev, "couldn't install notify handler - %s\n",
AcpiFormatException(status));
return_VALUE (ENXIO);
}
@ -217,3 +236,16 @@ acpi_button_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
break; /* unknown notification value */
}
}
static ACPI_STATUS
acpi_button_fixed_handler(void *context)
{
struct acpi_button_softc *sc = (struct acpi_button_softc *)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_VALUE (AE_OK);
}