void ApplePS2Keyboard::setDevicePowerState( UInt32 whatToDo )
{
switch ( whatToDo )
{
case kPS2C_DisableDevice:
//
// Disable keyboard.
//
setKeyboardEnable( false );
break;
case kPS2C_EnableDevice:
//
// Reset the keyboard to its default state.
//
PS2Request * request = _device->allocateRequest();
if (request)
{
request->commands[0].command = kPS2C_WriteDataPort;
request->commands[0].inOrOut = kDP_SetDefaults;
request->commands[1].command = kPS2C_ReadDataPortAndCompare;
request->commands[1].inOrOut = kSC_Acknowledge;
request->commandsCount = 2;
_device->submitRequestAndBlock(request);
_device->freeRequest(request);
}
//
// Initialize the keyboard LED state.
//
setLEDs(_ledState);
//
// Enable the keyboard clock (should already be so), the keyboard
// IRQ line, and the keyboard Kscan -> scan code translation mode.
//
setCommandByte( kCB_EnableKeyboardIRQ | kCB_TranslateMode,
kCB_DisableKeyboardClock );
//
// Finally, we enable the keyboard itself, so that it may start
// reporting key events.
//
setKeyboardEnable( true );
break;
}
}
void ApplePS2Keyboard::setDevicePowerState( UInt32 whatToDo )
{
switch ( whatToDo )
{
case kPS2C_DisableDevice:
//
// Disable keyboard.
//
setKeyboardEnable( false );
break;
case kPS2C_EnableDevice:
//
// Initialize the keyboard LED state.
//
setLEDs(_ledState);
//
// Enable the keyboard clock (should already be so), the keyboard
// IRQ line, and the keyboard Kscan -> scan code translation mode.
//
setCommandByte( kCB_EnableKeyboardIRQ | kCB_TranslateMode,
kCB_DisableKeyboardClock );
//
// Finally, we enable the keyboard itself, so that it may start
// reporting key events.
//
setKeyboardEnable( true );
break;
}
}
void ApplePS2Keyboard::stop(IOService * provider)
{
//
// The driver has been instructed to stop. Note that we must break all
// connections to other service objects now (ie. no registered actions,
// no pointers and retains to objects, etc), if any.
//
assert(_device == provider);
//
// Disable the keyboard itself, so that it may stop reporting key events.
//
setKeyboardEnable(false);
//
// Disable the keyboard clock and the keyboard IRQ line.
//
setCommandByte(kCB_DisableKeyboardClock, kCB_EnableKeyboardIRQ);
//
// Uninstall the interrupt handler.
//
if ( _interruptHandlerInstalled ) _device->uninstallInterruptAction();
_interruptHandlerInstalled = false;
//
// Uninstall the power control handler.
//
if ( _powerControlHandlerInstalled ) _device->uninstallPowerControlAction();
_powerControlHandlerInstalled = false;
//
// Release the pointer to the provider object.
//
//
// Unistalling our Mouse/Touchpad Notification Handler
//
_device->unistallPS2NotificationAction();
_mouseTouchpadNotificationHandlerInstalled = false;
_device->release();
_device = 0;
super::stop(provider);
}
void ApplePS2Keyboard::initKeyboard()
{
//
// Reset the keyboard to its default state.
//
PS2Request * request = _device->allocateRequest();
if (request)
{
request->commands[0].command = kPS2C_WriteDataPort;
request->commands[0].inOrOut = kDP_SetDefaults;
request->commands[1].command = kPS2C_ReadDataPortAndCompare;
request->commands[1].inOrOut = kSC_Acknowledge;
request->commandsCount = 2;
_device->submitRequestAndBlock(request);
_device->freeRequest(request);
}
// start out with all keys up
bzero(_keyBitVector, sizeof(_keyBitVector));
//
// Initialize the keyboard LED state.
//
setLEDs(_ledState);
//
// Enable the keyboard clock (should already be so), the keyboard IRQ line,
// and the keyboard Kscan -> scan code translation mode.
//
setCommandByte(kCB_EnableKeyboardIRQ | kCB_TranslateMode,
kCB_DisableKeyboardClock);
//
// Finally, we enable the keyboard itself, so that it may start reporting
// key events.
//
setKeyboardEnable(true);
}
void ApplePS2Keyboard::setDevicePowerState( UInt32 whatToDo )
{
switch ( whatToDo )
{
case kPS2C_DisableDevice:
//
// Disable keyboard.
//
setKeyboardEnable( false );
// Work around for auto repeat keyboard sometimes after
// wakeup from sleep
// see: http://www.mydellmini.com/forum/general-mac-os-x-discussion/3553-fixed-zero-key-stack-after-wake-up.html
// remove interrupt handler
setCommandByte(kCB_DisableKeyboardClock, kCB_EnableKeyboardIRQ);
if (_interruptHandlerInstalled)
{
_device->uninstallInterruptAction();
_interruptHandlerInstalled = false;
}
break;
case kPS2C_EnableDevice:
// re-install interrupt handler
_device->installInterruptAction(this,
/*(PS2InterruptAction)&ApplePS2Keyboard::interruptOccurred*/
OSMemberFunctionCast(PS2InterruptAction, this, &ApplePS2Keyboard::interruptOccurred));
_interruptHandlerInstalled = true;
//
// Enable keyboard and restore state.
//
initKeyboard();
break;
}
}
bool ApplePS2Keyboard::start(IOService * provider)
{
keyi=false;
//
// The driver has been instructed to start. This is called after a
// successful attach.
//
if (!super::start(provider)) return false;
//
// Maintain a pointer to and retain the provider object.
//
_device = (ApplePS2KeyboardDevice *)provider;
_device->retain();
if (kOSBooleanTrue == getProperty("Make capslock into control")) {
emacsMode = true;
} else {
emacsMode = false;
}
if (kOSBooleanTrue == getProperty("Swap alt and windows key")) {
macintoshMode = true;
} else {
macintoshMode = false;
}
//
// Install our driver's interrupt handler, for asynchronous data delivery.
//
_device->installInterruptAction(this,
/*(PS2InterruptAction)&ApplePS2Keyboard::interruptOccurred*/
OSMemberFunctionCast(PS2InterruptAction, this, &ApplePS2Keyboard::interruptOccurred));
_interruptHandlerInstalled = true;
//
// Initialize the keyboard LED state.
//
setLEDs(_ledState);
//
// Enable the keyboard clock (should already be so), the keyboard IRQ line,
// and the keyboard Kscan -> scan code translation mode.
//
setCommandByte(kCB_EnableKeyboardIRQ | kCB_TranslateMode,
kCB_DisableKeyboardClock);
//
// Finally, we enable the keyboard itself, so that it may start reporting
// key events.
//
setKeyboardEnable(true);
//
// Install our power control handler.
//
_device->installPowerControlAction( this,
/*(PS2PowerControlAction) &ApplePS2Keyboard::setDevicePowerState*/
OSMemberFunctionCast(PS2PowerControlAction, this, &ApplePS2Keyboard::setDevicePowerState) );
_powerControlHandlerInstalled = true;
return true;
}
