diff options
Diffstat (limited to 'src/dev/x86/south_bridge/speaker.hh')
| -rw-r--r-- | src/dev/x86/south_bridge/speaker.hh | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/src/dev/x86/south_bridge/speaker.hh b/src/dev/x86/south_bridge/speaker.hh index df738e42b..2385b80cc 100644 --- a/src/dev/x86/south_bridge/speaker.hh +++ b/src/dev/x86/south_bridge/speaker.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2004-2005 The Regents of The University of Michigan + * Copyright (c) 2008 The Regents of The University of Michigan * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -38,16 +38,30 @@ namespace X86ISA { +class I8254; + class Speaker : public SubDevice { + protected: + BitUnion8(SpeakerControl) + Bitfield<0> gate; + Bitfield<1> speaker; + Bitfield<5> timer; + EndBitUnion(SpeakerControl) + + SpeakerControl controlVal; + + I8254 * timer; + public: - Speaker() + Speaker(I8254 * _timer) : timer(_timer) {} - Speaker(Tick _latency) : SubDevice(_latency) + Speaker(I8254 * _timer, Tick _latency) : + SubDevice(_latency), timer(_timer) {} - Speaker(Addr start, Addr size, Tick _latency) : - SubDevice(start, size, _latency) + Speaker(I8254 * _timer, Addr start, Addr size, Tick _latency) : + SubDevice(start, size, _latency), timer(_timer) {} Tick read(PacketPtr pkt); |