void setConnectionType(unsigned short address,
protocolSelector connectionType) {
subscriberArray[address].setConnectionType(connectionType);
if (connectionType == NO_CONNECTION)
setChannelStatus(address, closed);
else
setChannelStatus(address, opened);
return;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void AppleTopazPluginCS8420::setRunMode ( UInt8 mode ) {
CODEC_WriteRegister ( map_CS8420_CLOCK_SOURCE_CTRL, mode );
if ( ( mode & ( 1 << baCS8420_RUN ) ) == ( 1 << baCS8420_RUN ) ) { // [3669626]
setChannelStatus ( &mChanStatusStruct ); // [3669626] Flush channel status buffer
}
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
IOReturn AppleTopazPluginCS8420::makeClockSelectPreLock ( UInt32 clockSource ) {
IOReturn result;
UInt8 data;
debugIOLog (5, "+ AppleTopazPluginCS8420::makeClockSelect ( %d )", (unsigned int)clockSource );
// Clear any pending error interrupt status and re-enable error interrupts after completing clock source selection
result = CODEC_ReadRegister ( map_CS8420_RX_ERROR, &data, 1 );
FailIf ( kIOReturnSuccess != result, Exit );
// Enable error (i.e. RERR) interrupts ONLY IF C28420 IS CLOCK MASTER
if ( kTRANSPORT_SLAVE_CLOCK == clockSource ) {
result = CODEC_WriteRegister ( map_CS8420_RX_ERROR_MASK, kCS8420_RX_ERROR_MASK_ENABLE_RERR );
FailIf ( kIOReturnSuccess != result, Exit );
}
switch ( clockSource ) {
case kTRANSPORT_MASTER_CLOCK:
data = mShadowRegs[map_CS8420_DATA_FLOW_CTRL];
data &= ~( bvCS8420_spdMASK << baCS8420_SPD );
data |= ( bvCS8420_spdSrcOut << baCS8420_SPD );
result = CODEC_WriteRegister ( map_CS8420_DATA_FLOW_CTRL, data );
data = mShadowRegs[map_CS8420_CLOCK_SOURCE_CTRL];
data &= ~( 1 << baCS8420_OUTC );
data |= ( bvCS8420_outcOmckXbaCLK << baCS8420_OUTC );
result = CODEC_WriteRegister ( map_CS8420_CLOCK_SOURCE_CTRL, data );
break;
case kTRANSPORT_SLAVE_CLOCK:
data = mShadowRegs[map_CS8420_DATA_FLOW_CTRL];
data &= ~( bvCS8420_spdMASK << baCS8420_SPD );
data |= ( bvCS8420_spdAES3 << baCS8420_SPD );
result = CODEC_WriteRegister ( map_CS8420_DATA_FLOW_CTRL, data );
data = mShadowRegs[map_CS8420_CLOCK_SOURCE_CTRL];
data &= ~( 1 << baCS8420_OUTC );
data |= ( bvCS8420_outcRecIC << baCS8420_OUTC );
result = CODEC_WriteRegister ( map_CS8420_CLOCK_SOURCE_CTRL, data );
break;
}
// restart the codec after switching clocks
data = mShadowRegs[map_CS8420_CLOCK_SOURCE_CTRL];
data &= ~( 1 << baCS8420_RUN );
data |= ( bvCS8420_runNORMAL << baCS8420_RUN );
result = CODEC_WriteRegister ( map_CS8420_CLOCK_SOURCE_CTRL, data );
setChannelStatus ( &mChanStatusStruct ); // [3669626] Flush channel status buffer
Exit:
debugIOLog (5, "- AppleTopazPluginCS8420::makeClockSelect ( %d ) returns %d", (unsigned int)clockSource, (unsigned int)result );
return result;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
IOReturn AppleTopazPluginCS8420::performDeviceWake ( void ) {
IOReturn result;
debugIOLog (3, "+ AppleTopazPluginCS8420::performDeviceWake()" );
flushControlRegisters ();
mShadowRegs[map_CS8420_DATA_FLOW_CTRL] &= ~( kCS84XX_BIT_MASK << baCS8420_TXOFF );
mShadowRegs[map_CS8420_DATA_FLOW_CTRL] |= ( bvCS8420_aes3TXNormal << baCS8420_TXOFF );
result = CODEC_WriteRegister ( map_CS8420_DATA_FLOW_CTRL, mShadowRegs[map_CS8420_DATA_FLOW_CTRL] );
FailIf ( kIOReturnSuccess != result, Exit );
mShadowRegs[map_CS8420_CLOCK_SOURCE_CTRL] &= ~( kCS84XX_BIT_MASK << baCS8420_RUN );
mShadowRegs[map_CS8420_CLOCK_SOURCE_CTRL] |= ( bvCS8420_runNORMAL << baCS8420_RUN );
result = CODEC_WriteRegister ( map_CS8420_CLOCK_SOURCE_CTRL, mShadowRegs[map_CS8420_CLOCK_SOURCE_CTRL] );
FailIf ( kIOReturnSuccess != result, Exit );
setChannelStatus ( &mChanStatusStruct ); // [3669626] Flush channel status buffer
Exit:
debugIOLog (3, "- AppleTopazPluginCS8420::performDeviceWake()" );
return result;
}
