void ApplePS2Mouse::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 mouse itself, so that it may stop reporting mouse events.
//
setMouseEnable(false);
//
// Disable the mouse clock and the mouse IRQ line.
//
setCommandByte(kCB_DisableMouseClock, kCB_EnableMouseIRQ);
//
// Uninstall the interrupt handler.
//
if ( _interruptHandlerInstalled ) _device->uninstallInterruptAction();
_interruptHandlerInstalled = false;
//
// Uninstall the power control handler.
//
if ( _powerControlHandlerInstalled ) _device->uninstallPowerControlAction();
_powerControlHandlerInstalled = false;
//
// Uinstall message handler.
//
if (_messageHandlerInstalled)
{
_device->uninstallMessageAction();
_messageHandlerInstalled = false;
}
//
// Release the pointer to the provider object.
//
_device->release();
_device = 0;
super::stop(provider);
}
void ApplePS2Mouse::scheduleMouseReset()
{
//
// Request the mouse to stop. A 0xF5 command is issued.
//
setMouseEnable(false);
//
// Reset the mouse (synchronous).
//
resetMouse();
}
void ApplePS2Mouse::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 mouse itself, so that it may stop reporting mouse events.
//
setMouseEnable(false);
// free up the command gate
IOWorkLoop* pWorkLoop = getWorkLoop();
if (pWorkLoop)
{
if (_cmdGate)
{
pWorkLoop->removeEventSource(_cmdGate);
_cmdGate->release();
_cmdGate = 0;
}
if (_buttonTimer)
{
pWorkLoop->removeEventSource(_buttonTimer);
_buttonTimer->release();
_buttonTimer = 0;
}
}
//
// Uninstall the interrupt handler.
//
if ( _interruptHandlerInstalled ) _device->uninstallInterruptAction();
_interruptHandlerInstalled = false;
//
// Uninstall the power control handler.
//
if ( _powerControlHandlerInstalled ) _device->uninstallPowerControlAction();
_powerControlHandlerInstalled = false;
//
// Uinstall message handler.
//
if (_messageHandlerInstalled)
{
_device->uninstallMessageAction();
_messageHandlerInstalled = false;
}
//
// Release the pointer to the provider object.
//
OSSafeReleaseNULL(_device);;
super::stop(provider);
}
void ApplePS2Mouse::resetMouse()
{
PS2MouseId type;
//
// Reset the mouse to its default state.
//
PS2Request * request = _device->allocateRequest();
if (request)
{
request->commands[0].command = kPS2C_SendMouseCommandAndCompareAck;
request->commands[0].inOrOut = kDP_SetDefaults;
request->commandsCount = 1;
_device->submitRequestAndBlock(request);
_device->freeRequest(request);
}
//
// Obtain our mouse's resolution and sampling rate.
//
if (_mouseInfoBytes == (UInt32)-1)
{
_mouseInfoBytes = getMouseInformation();
switch (_mouseInfoBytes & 0x00FF00)
{
case 0x0000: _resolution = (25) << 16; break; // 25 dpi
case 0x0100: _resolution = (50) << 16; break; // 50 dpi
case 0x0200: _resolution = (100) << 16; break; // 100 dpi
case 0x0300: _resolution = (200) << 16; break; // 200 dpi
default: _resolution = (150) << 16; break; // 150 dpi
}
}
else
{
setMouseResolution(_mouseInfoBytes >> 8);
}
//
// Enable the Intellimouse mode, should this be an Intellimouse.
//
if ( (type = setIntellimouseMode()) != kMouseTypeStandard )
{
_packetLength = kPacketLengthIntellimouse;
_type = type;
if (_type == kMouseTypeIntellimouseExplorer)
_buttonCount = 5;
else
_buttonCount = 3;
//
// Report the resolution of the scroll wheel. This property must
// be present to enable acceleration for Z-axis movement.
//
setProperty(kIOHIDScrollResolutionKey, (10 << 16), 32);
}
else
{
_packetLength = kPacketLengthStandard;
_type = kMouseTypeStandard;
_buttonCount = 3;
removeProperty(kIOHIDScrollResolutionKey);
}
_packetByteCount = 0;
//
// Enable the mouse clock (should already be so) and the mouse IRQ line.
//
setCommandByte(kCB_EnableMouseIRQ, kCB_DisableMouseClock);
//
// Finally, we enable the mouse itself, so that it may start reporting
// mouse events.
//
setMouseEnable(true);
}
