drivers/wdm/audio/drivers/CMIDriver/minwave.hpp

   1 /*
   2 Copyright (c) 2006-2008 dogbert <dogber1@gmail.com>
   3 All rights reserved.
   4
   5 Redistribution and use in source and binary forms, with or without
   6 modification, are permitted provided that the following conditions
   7 are met:
   8 1. Redistributions of source code must retain the above copyright
   9    notice, this list of conditions and the following disclaimer.
  10 2. Redistributions in binary form must reproduce the above copyright
  11    notice, this list of conditions and the following disclaimer in the
  12    documentation and/or other materials provided with the distribution.
  13 3. The name of the author may not be used to endorse or promote products
  14    derived from this software without specific prior written permission.
  15
  16 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 */
  27
  28 #ifndef _MINWAVE_HPP_
  29 #define _MINWAVE_HPP_
  30
  31 #define PC_IMPLEMENTATION // for the implementation of IDMAChannel
  32
  33 #include "common.hpp"
  34 #include "property.h"
  35
  36 class CMiniportWaveStreamCMI;
  37
  38 class CMiniportWaveCMI:
  39 #ifdef WAVERT
  40                                 public IMiniportWaveRT,
  41 #else
  42                                 public IMiniportWaveCyclic,
  43 #endif
  44                                 public IMiniportWaveCMI,
  45                                 public CUnknown
  46 {
  47 private:
  48     PCMIADAPTER             CMIAdapter;                 // Adapter common object.
  49 #ifdef WAVERT
  50     PPORTWAVERT             Port;
  51 #else
  52     PPORTWAVECYCLIC         Port;
  53     PDMACHANNEL             DMAChannel[3];
  54     UInt32                  notificationInterval;
  55 #endif
  56     CMI8738Info             *cm;
  57         UInt32                  requestedChannelCount;
  58         UInt32                  requestedChannelMask;
  59
  60
  61     CMiniportWaveStreamCMI  *stream[3];
  62     bool                    isStreamRunning[3];
  63     KMUTEX                  mutex;
  64
  65     NTSTATUS processResources(PRESOURCELIST resourceList);
  66
  67         NTSTATUS isFormatAllowed(UInt32 sampleRate, BOOLEAN multiChan, BOOLEAN AC3);
  68     NTSTATUS validateFormat(PKSDATAFORMAT format, ULONG PinID, BOOLEAN capture);
  69 #ifndef WAVERT
  70     NTSTATUS newDMAChannel(PDMACHANNEL *dmaChannel, UInt32 bufferLength);
  71 #endif
  72     NTSTATUS loadChannelConfigFromRegistry();
  73         NTSTATUS storeChannelConfigToRegistry();
  74 public:
  75     DECLARE_STD_UNKNOWN();
  76     DEFINE_STD_CONSTRUCTOR(CMiniportWaveCMI);
  77     ~CMiniportWaveCMI();
  78 #ifdef WAVERT
  79     IMP_IMiniportWaveRT;
  80 #else
  81     IMP_IMiniportWaveCyclic;
  82 #endif
  83
  84     STDMETHODIMP_(void) ServiceWaveISR(UInt32 streamIndex);
  85     STDMETHODIMP_(void) powerUp();
  86     STDMETHODIMP_(void) powerDown();
  87
  88     friend NTSTATUS NTAPI PropertyHandler_ChannelConfig(PPCPROPERTY_REQUEST PropertyRequest);
  89     friend class CMiniportWaveStreamCMI;
  90 };
  91
  92
  93 class CMiniportWaveStreamCMI:
  94 #ifdef WAVERT
  95                                       public IMiniportWaveRTStream,
  96 #else
  97                                       public IMiniportWaveCyclicStream,
  98 #endif
  99                                       public IDrmAudioStream,
 100                                       public CUnknown
 101 {
 102 private:
 103     CMiniportWaveCMI  *Miniport;
 104 #ifdef WAVERT
 105     PPORTWAVERTSTREAM Port;
 106         PMDL              audioBufferMDL;
 107         UInt32            dmaAddress;
 108         UInt32            dmaMemorySize;
 109 #else
 110     PDMACHANNEL       DMAChannel;
 111     PSERVICEGROUP     ServiceGroup;   // For notification.
 112 #endif
 113
 114     bool              isCaptureStream;// Capture or render.
 115     UInt32            streamIndex;
 116     UInt32            channelNumber;  // hardware channel number: 0/A or 1/B
 117     KSSTATE           state;          // Stop, pause, run.
 118     UInt32            periodSize;     // process n frames until the interrupt is fired in frames, NOT in bytes
 119     UInt32            dmaSize;        // size of the DMA buffer in frames, NOT in bytes
 120     UInt32            currentChannelCount, currentSampleRate, currentResolution;
 121     bool              enableAC3Passthru, enableSPDIF;
 122
 123     NTSTATUS prepareStream();
 124     NTSTATUS setDACChannels();
 125     NTSTATUS setupSPDIFPlayback(bool enableSPDIF);
 126     NTSTATUS setupAC3Passthru();
 127
 128 public:
 129     DECLARE_STD_UNKNOWN();
 130     DEFINE_STD_CONSTRUCTOR(CMiniportWaveStreamCMI);
 131     ~CMiniportWaveStreamCMI();
 132 #ifdef WAVERT
 133         IMP_IMiniportWaveRTStream;
 134 #else
 135     IMP_IMiniportWaveCyclicStream;
 136 #endif
 137
 138     IMP_IDrmAudioStream;
 139
 140 #ifdef WAVERT
 141     NTSTATUS Init(CMiniportWaveCMI* Miniport_, UInt32 streamIndex_, bool isCaptureStream_, PKSDATAFORMAT DataFormat, PPORTWAVERTSTREAM PortStream_);
 142 #else
 143     NTSTATUS Init(CMiniportWaveCMI* Miniport_, UInt32 streamIndex_, bool isCaptureStream_, PKSDATAFORMAT DataFormat, PDMACHANNEL DMAChannel_, PSERVICEGROUP* OutServiceGroup);
 144 #endif
 145     friend class CMiniportWaveCMI;
 146 };
 147
 148 NTSTATUS CreateMiniportWaveStreamCMI(CMiniportWaveStreamCMI  **MiniportWaveStreamCMI, PUNKNOWN pUnknownOuter, POOL_TYPE PoolType);
 149
 150 #endif //_MINWAVE_HPP_