src/add-ons/kernel/drivers/audio/echo/generic/CIndigoIODspCommObject.cpp

   1 // ****************************************************************************
   2 //
   3 //      CIndigoIODspCommObject.cpp
   4 //
   5 //              Implementation file for EchoGals generic driver Indigo io DSP
   6 //              interface class.
   7 //
   8 // ----------------------------------------------------------------------------
   9 //
  10 // This file is part of Echo Digital Audio's generic driver library.
  11 // Copyright Echo Digital Audio Corporation (c) 1998 - 2005
  12 // All rights reserved
  13 // www.echoaudio.com
  14 //
  15 // This library is free software; you can redistribute it and/or
  16 // modify it under the terms of the GNU Lesser General Public
  17 // License as published by the Free Software Foundation; either
  18 // version 2.1 of the License, or (at your option) any later version.
  19 //
  20 // This library is distributed in the hope that it will be useful,
  21 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  23 // Lesser General Public License for more details.
  24 //
  25 // You should have received a copy of the GNU Lesser General Public
  26 // License along with this library; if not, write to the Free Software
  27 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  28 //
  29 // ****************************************************************************
  30
  31 #include "CEchoGals.h"
  32 #include "CIndigoIODspCommObject.h"
  33
  34 #ifdef ECHO_WDM
  35 #pragma optimize("",off)
  36 #endif
  37 #include "IndigoIODSP.c"
  38
  39
  40 //
  41 //      Construction/destruction
  42 //
  43 CIndigoIODspCommObject::CIndigoIODspCommObject
  44 (
  45         PDWORD          pdwRegBase,                             // Virtual ptr to DSP registers
  46         PCOsSupport     pOsSupport
  47 ) : CDspCommObjectVmixer( pdwRegBase, pOsSupport )
  48 {
  49         strcpy( m_szCardName, "Indigo io" );
  50         m_pdwDspRegBase = pdwRegBase;           // Virtual addr DSP's register base
  51
  52         m_wNumPipesOut = 8;
  53         m_wNumPipesIn = 2;
  54         m_wNumBussesOut = 2;
  55         m_wNumBussesIn = 2;
  56         m_wFirstDigitalBusOut = m_wNumBussesOut;
  57         m_wFirstDigitalBusIn = m_wNumBussesIn;
  58
  59         m_fHasVmixer = TRUE;
  60
  61         m_wNumMidiOut = 0;                                      // # MIDI out channels
  62         m_wNumMidiIn = 0;                                               // # MIDI in  channels
  63
  64         m_pDspCommPage->dwSampleRate = SWAP( (DWORD) 44100 );
  65
  66         m_bHasASIC = FALSE;
  67
  68         m_pwDspCodeToLoad = pwIndigoioDSP;
  69
  70         m_byDigitalMode = DIGITAL_MODE_NONE;
  71
  72         //
  73         // Since this card has no ASIC, mark it as loaded so everything works OK
  74         //
  75         m_bASICLoaded = TRUE;
  76
  77 }       // CIndigoIODspCommObject::CIndigoIODspCommObject( DWORD dwPhysRegBase )
  78
  79
  80 CIndigoIODspCommObject::~CIndigoIODspCommObject()
  81 {
  82 }       // CIndigoIODspCommObject::~CIndigoIODspCommObject()
  83
  84
  85 //
  86 //      Save new clock settings and send to DSP.
  87 //
  88 ECHOSTATUS CIndigoIODspCommObject::SetInputClock(WORD wClock)
  89 {
  90
  91         ECHO_DEBUGPRINTF( ("CIndigoIODspCommObject::SetInputClock:\n") );
  92         return ECHOSTATUS_CLOCK_NOT_SUPPORTED;
  93
  94 }       // ECHOSTATUS CIndigoIODspCommObject::SetInputClock
  95
  96
  97 //===========================================================================
  98 //
  99 // SetSampleRate
 100 //
 101 // Set the audio sample rate for IndigoIO
 102 //
 103 //===========================================================================
 104
 105 DWORD CIndigoIODspCommObject::SetSampleRate( DWORD dwNewSampleRate )
 106 {
 107         if ( !WaitForHandshake() )
 108                 return 0xffffffff;
 109
 110         //
 111         // Set the value in the comm page
 112         //
 113         m_pDspCommPage->dwSampleRate = SWAP( dwNewSampleRate );
 114
 115         //
 116         //      Poke the DSP
 117         //
 118         ClearHandshake();
 119         SendVector( DSP_VC_UPDATE_CLOCKS );
 120
 121         return GetSampleRate();
 122
 123 } // DWORD CIndigoIODspCommObject::SetSampleRate( DWORD dwNewSampleRate )
 124
 125 // **** CIndigoIODspCommObject.cpp ****