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

   1 // ****************************************************************************
   2 //
   3 //      CGinaDspCommObject.cpp
   4 //
   5 //              Implementation file Gina20 DSP interface class.
   6 //
   7 // ----------------------------------------------------------------------------
   8 //
   9 // This file is part of Echo Digital Audio's generic driver library.
  10 // Copyright Echo Digital Audio Corporation (c) 1998 - 2005
  11 // All rights reserved
  12 // www.echoaudio.com
  13 //
  14 // This library is free software; you can redistribute it and/or
  15 // modify it under the terms of the GNU Lesser General Public
  16 // License as published by the Free Software Foundation; either
  17 // version 2.1 of the License, or (at your option) any later version.
  18 //
  19 // This library is distributed in the hope that it will be useful,
  20 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  22 // Lesser General Public License for more details.
  23 //
  24 // You should have received a copy of the GNU Lesser General Public
  25 // License along with this library; if not, write to the Free Software
  26 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  27 //
  28 // ****************************************************************************
  29
  30 #include "CEchoGals.h"
  31 #include "CGinaDspCommObject.h"
  32
  33 #include "Gina20DSP.c"
  34
  35
  36 /****************************************************************************
  37
  38         Construction and destruction
  39
  40  ****************************************************************************/
  41
  42 //===========================================================================
  43 //
  44 // Constructor
  45 //
  46 //===========================================================================
  47
  48 CGinaDspCommObject::CGinaDspCommObject
  49 (
  50         PDWORD          pdwRegBase,                             // Virtual ptr to DSP registers
  51         PCOsSupport     pOsSupport
  52 ) : CGdDspCommObject( pdwRegBase, pOsSupport )
  53 {
  54         strcpy( m_szCardName, "Gina" );
  55         m_pdwDspRegBase = pdwRegBase;           // Virtual addr DSP's register base
  56
  57         m_wNumPipesOut = 10;
  58         m_wNumPipesIn = 4;
  59         m_wNumBussesOut = 10;
  60         m_wNumBussesIn = 4;
  61         m_wFirstDigitalBusOut = 8;
  62         m_wFirstDigitalBusIn = 2;
  63
  64         m_fHasVmixer = FALSE;
  65
  66         m_wNumMidiOut = 0;                                      // # MIDI out channels
  67         m_wNumMidiIn = 0;                                               // # MIDI in  channels
  68
  69         m_pwDspCodeToLoad = pwGina20DSP;
  70
  71         //
  72         // Since this card has no ASIC, mark it as loaded so everything works OK
  73         //
  74         m_bASICLoaded = TRUE;
  75
  76 }       // CGinaDspCommObject::CGinaDspCommObject( DWORD dwPhysRegBase )
  77
  78
  79 //===========================================================================
  80 //
  81 // Destructor
  82 //
  83 //===========================================================================
  84
  85 CGinaDspCommObject::~CGinaDspCommObject()
  86 {
  87 }       // CGinaDspCommObject::~CGinaDspCommObject()
  88
  89
  90
  91
  92 /****************************************************************************
  93
  94         Hardware config
  95
  96  ****************************************************************************/
  97
  98 //===========================================================================
  99 //
 100 // Destructor
 101 //
 102 //===========================================================================
 103
 104 ECHOSTATUS CGinaDspCommObject::SetInputClock(WORD wClock)
 105 {
 106         ECHO_DEBUGPRINTF( ( "CGinaDspCommObject::SetInputClock:\n" ) );
 107
 108         switch ( wClock )
 109         {
 110                 case ECHO_CLOCK_INTERNAL :
 111
 112                         // Reset the audio state to unknown (just in case)
 113                         m_byGDCurrentClockState = GD_CLOCK_UNDEF;
 114                         m_byGDCurrentSpdifStatus = GD_SPDIF_STATUS_UNDEF;
 115
 116                         SetSampleRate();
 117
 118                         m_wInputClock = wClock;
 119
 120                         ECHO_DEBUGPRINTF( ( "\tSet Gina clock to INTERNAL\n" ) );
 121                         break;
 122
 123                 case ECHO_CLOCK_SPDIF :
 124                         m_pDspCommPage->byGDClockState = GD_CLOCK_SPDIFIN;
 125                         m_pDspCommPage->byGDSpdifStatus = GD_SPDIF_STATUS_NOCHANGE;
 126
 127                         ClearHandshake();
 128                         SendVector( DSP_VC_SET_GD_AUDIO_STATE );
 129
 130                         m_byGDCurrentClockState = GD_CLOCK_SPDIFIN;
 131
 132                         ECHO_DEBUGPRINTF( ( "\tSet Gina clock to SPDIF\n" ) );
 133
 134                         m_wInputClock = wClock;
 135                         break;
 136
 137                 default :
 138                         return ECHOSTATUS_CLOCK_NOT_SUPPORTED;
 139
 140         }               // switch ( wClock )
 141
 142         return ECHOSTATUS_OK;
 143
 144 }               // ECHOSTATUS CGinaDspCommObject::SetInputClock()
 145
 146
 147 // **** GinaDspCommObject.cpp ****