static __inline__ uint64_t
timeval_to_absolutetime(struct timeval tv)
{
uint64_t secs;
uint64_t usecs;
clock_interval_to_absolutetime_interval(tv.tv_sec, NSEC_PER_SEC,
&secs);
clock_interval_to_absolutetime_interval(tv.tv_usec, NSEC_PER_USEC,
&usecs);
return (secs + usecs);
}
bool IOHIKeyboard::resetKeyboard()
// Description: Reset the keymapping to the default value and reconfigure
// the keyboards.
{
const unsigned char *defaultKeymap;
UInt32 defaultKeymapLength;
IOLockLock( _deviceLock);
if ( _keyMap )
_keyMap->release();
// Set up default keymapping.
defaultKeymap = defaultKeymapOfLength(&defaultKeymapLength);
_keyMap = IOHIKeyboardMapper::keyboardMapper( this,
defaultKeymap,
defaultKeymapLength,
false );
if (_keyMap)
{
// point the new keymap to the IOHIDSystem, so it can set properties in it
_keyMap->setKeyboardTarget((IOService *) _keyboardEventTarget);
clock_interval_to_absolutetime_interval( EV_DEFAULTKEYREPEAT,
kNanosecondScale, &_keyRepeat);
clock_interval_to_absolutetime_interval( EV_DEFAULTINITIALREPEAT,
kNanosecondScale, &_initialKeyRepeat);
}
updateProperties();
_interfaceType = interfaceID();
_deviceType = deviceType();
_guid = getGUID();
if (getProperty("HIDKeyboardKeysDefined"))
{
KeyboardReserved * reservedStruct = GetKeyboardReservedStructEventForService(this);
if ( reservedStruct && !reservedStruct->keyboardNub)
reservedStruct->keyboardNub = IOHIDKeyboardDevice::newKeyboardDeviceAndStart(this);
}
IOLockUnlock( _deviceLock);
return (_keyMap) ? true : false;
}
void
thread_depress_ms(
mach_msg_timeout_t interval)
{
uint64_t abstime;
clock_interval_to_absolutetime_interval(
interval, NSEC_PER_MSEC, &abstime);
thread_depress_abstime(abstime);
}
void
delay_for_interval(
uint32_t interval,
uint32_t scale_factor)
{
uint64_t abstime;
clock_interval_to_absolutetime_interval(interval, scale_factor, &abstime);
_clock_delay_until_deadline(abstime, mach_absolute_time() + abstime);
}
static void
init_machclk(void)
{
/*
* Initialize machclk_freq using the timerbase frequency
* value from device specific info.
*/
machclk_freq = gPEClockFrequencyInfo.timebase_frequency_hz;
clock_interval_to_absolutetime_interval(1, NSEC_PER_SEC,
&machclk_per_sec);
}
/*
* Miscellaneous routines.
*/
void
clock_interval_to_deadline(
uint32_t interval,
uint32_t scale_factor,
uint64_t *result)
{
uint64_t abstime;
clock_interval_to_absolutetime_interval(interval, scale_factor, &abstime);
*result = mach_absolute_time() + abstime;
}