IOReturn
OHareATA::selectConfig( IOATADevConfig* configRequest, UInt32 unitNumber)
{
// param check the pointers and the unit number.
if( configRequest == 0
|| unitNumber > 1 )
{
DLOG("OHareATA bad param in setConfig\n");
return -1;
}
// no ultra on ohare
if( configRequest->getUltraMode() )
{
DLOG("OHareATA setConfig no ultra\n");
return kATAModeNotSupported;
}
// all config requests must include a PIO mode
if( ( configRequest->getPIOMode() & kATASupportedPIOModes ) == 0x00 )
{
DLOG("OHareATA setConfig PIO mode not supported\n");
return kATAModeNotSupported;
}
// DMA is optional - not all devices support it, we reality check for a setting
// that is beyond our capability
if( configRequest->getDMAMode() & ~kATASupportedMultiDMAModes )
{
DLOG("OHareATA setConfig DMA mode not supported\n");
return kATAModeNotSupported;
}
_devInfo[unitNumber].packetSend = configRequest->getPacketConfig();
DLOG("OHareATA setConfig packetConfig = %ld\n", _devInfo[unitNumber].packetSend );
return selectIOTimerValue(configRequest, unitNumber);
}
IOReturn
AppleKiwiATA::selectConfig( IOATADevConfig* configRequest, UInt32 unitNumber)
{
// param check the pointers and the unit number.
if( configRequest == 0
|| unitNumber > 1 )
{
DLOG("AppleKiwiATA bad param in setConfig\n");
return -1;
}
// all config requests must include a PIO mode
if( ( configRequest->getPIOMode() & kATASupportedPIOModes ) == 0x00 )
{
DLOG("AppleKiwiATA setConfig PIO mode not supported\n");
return kATAModeNotSupported;
}
// DMA is optional - not all devices support it, we reality check for a setting
// that is beyond our capability
UInt16 ultraSupported = kATASupportedUltraDMAModes;
if( mode6Capable )
{
ultraSupported = kATAAddSupport133;
}
// make sure a requested ultra ATA mode is within the range of this device configuration
if( configRequest->getUltraMode() & ~ultraSupported )
{
DLOG("AppleKiwiATA setConfig no ultra\n");
return kATAModeNotSupported;
}
if( configRequest->getDMAMode() & ~kATASupportedMultiDMAModes )
{
DLOG("AppleKiwiATA setConfig DMA mode not supported\n");
return kATAModeNotSupported;
}
if( configRequest->getDMAMode() > 0x0000
&& configRequest->getUltraMode() > 0x0000 )
{
DLOG("AppleKiwiATA err, only one DMA class allowed in config select\n");
return kATAModeNotSupported;
}
_devInfo[unitNumber].packetSend = configRequest->getPacketConfig();
DLOG("AppleKiwiATA setConfig packetConfig = %d\n", _devInfo[unitNumber].packetSend );
return selectIOTimerValue(configRequest, unitNumber);;
}
