// **************************************************************************** // // CMona.cpp // // Implementation file for the CMona driver class. // Set editor tabs to 3 for your viewing pleasure. // // ---------------------------------------------------------------------------- // // This file is part of Echo Digital Audio's generic driver library. // Copyright Echo Digital Audio Corporation (c) 1998 - 2005 // All rights reserved // www.echoaudio.com // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2.1 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // **************************************************************************** #include "CMona.h" #define MONA_ANALOG_OUTPUT_LATENCY 59 #define MONA_ANALOG_INPUT_LATENCY 71 #define MONA_DIGITAL_OUTPUT_LATENCY 32 #define MONA_DIGITAL_INPUT_LATENCY 32 /**************************************************************************** Construction and destruction ****************************************************************************/ //=========================================================================== // // Overload new & delete so memory for this object is allocated // from non-paged memory. // //=========================================================================== PVOID CMona::operator new( size_t Size ) { PVOID pMemory; ECHOSTATUS Status; Status = OsAllocateNonPaged(Size,&pMemory); if ( (ECHOSTATUS_OK != Status) || (NULL == pMemory )) { ECHO_DEBUGPRINTF(("CMona::operator new - memory allocation failed\n")); pMemory = NULL; } else { memset( pMemory, 0, Size ); } return pMemory; } // PVOID CMona::operator new( size_t Size ) VOID CMona::operator delete( PVOID pVoid ) { if ( ECHOSTATUS_OK != OsFreeNonPaged( pVoid ) ) { ECHO_DEBUGPRINTF(("CMona::operator delete memory free failed\n")); } } // VOID CMona::operator delete( PVOID pVoid ) //=========================================================================== // // Constructor and destructor // //=========================================================================== CMona::CMona( PCOsSupport pOsSupport ) : CEchoGals( pOsSupport ) { ECHO_DEBUGPRINTF( ( "CMona::CMona() is born!\n" ) ); m_wAnalogOutputLatency = MONA_ANALOG_OUTPUT_LATENCY; m_wAnalogInputLatency = MONA_ANALOG_INPUT_LATENCY; m_wDigitalOutputLatency = MONA_DIGITAL_OUTPUT_LATENCY; m_wDigitalInputLatency = MONA_DIGITAL_INPUT_LATENCY; } CMona::~CMona() { ECHO_DEBUGPRINTF( ( "CMona::~CMona() is toast!\n" ) ); } /**************************************************************************** Setup and hardware initialization ****************************************************************************/ //=========================================================================== // // Every card has an InitHw method // //=========================================================================== ECHOSTATUS CMona::InitHw() { ECHOSTATUS Status; // // Call the base method // if ( ECHOSTATUS_OK != ( Status = CEchoGals::InitHw() ) ) return Status; // // Create the DSP comm object // ECHO_ASSERT(NULL == m_pDspCommObject ); m_pDspCommObject = new CMonaDspCommObject( (PDWORD) m_pvSharedMemory, m_pOsSupport ); if (NULL == m_pDspCommObject) { ECHO_DEBUGPRINTF(("CMona::InitHw - could not create DSP comm object\n")); return ECHOSTATUS_NO_MEM; } // // Load the DSP, the PCI card ASIC, and the external box ASIC // GetDspCommObject()->LoadFirmware(); if ( GetDspCommObject()->IsBoardBad() ) return ECHOSTATUS_DSP_DEAD; // // Clear the "bad board" flag; set the flags to indicate that // Mona can handle super-interleave and supports the digital // input auto-mute. // m_wFlags &= ~ECHOGALS_FLAG_BADBOARD; m_wFlags |= ECHOGALS_ROFLAG_SUPER_INTERLEAVE_OK | ECHOGALS_ROFLAG_DIGITAL_IN_AUTOMUTE; // // Must call this here after DSP is init to // init gains and mutes // Status = InitLineLevels(); if ( ECHOSTATUS_OK != Status ) return Status; // // Set the digital mode to S/PDIF RCA // SetDigitalMode( DIGITAL_MODE_SPDIF_RCA ); // // Set the S/PDIF output format to "professional" // SetProfessionalSpdif( TRUE ); // // Get default sample rate from DSP // m_dwSampleRate = GetDspCommObject()->GetSampleRate(); ECHO_DEBUGPRINTF( ( "CMona::InitHw()\n" ) ); return Status; } // ECHOSTATUS CMona::InitHw() /**************************************************************************** Informational methods ****************************************************************************/ //=========================================================================== // // Override GetCapabilities to enumerate unique capabilties for this card // //=========================================================================== ECHOSTATUS CMona::GetCapabilities ( PECHOGALS_CAPS pCapabilities ) { ECHOSTATUS Status; Status = GetBaseCapabilities(pCapabilities); if ( ECHOSTATUS_OK != Status ) return Status; pCapabilities->dwInClockTypes |= ECHO_CLOCK_BIT_WORD | ECHO_CLOCK_BIT_SPDIF | ECHO_CLOCK_BIT_ADAT; return Status; } // ECHOSTATUS CMona::GetCapabilities //=========================================================================== // // QueryAudioSampleRate is used to find out if this card can handle a // given sample rate. // //=========================================================================== ECHOSTATUS CMona::QueryAudioSampleRate ( DWORD dwSampleRate ) { if ( dwSampleRate != 8000 && dwSampleRate != 11025 && dwSampleRate != 16000 && dwSampleRate != 22050 && dwSampleRate != 32000 && dwSampleRate != 44100 && dwSampleRate != 48000 && dwSampleRate != 88200 && dwSampleRate != 96000 ) { ECHO_DEBUGPRINTF( ("CMona::QueryAudioSampleRate() - rate %ld invalid\n",dwSampleRate) ); return ECHOSTATUS_BAD_FORMAT; } if ( dwSampleRate >= 88200 && DIGITAL_MODE_ADAT == GetDigitalMode() ) { ECHO_DEBUGPRINTF( ("CMona::QueryAudioSampleRate() Sample rate cannot be " "set to 88,200 Hz or 96,000 Hz in ADAT mode\n") ); return ECHOSTATUS_BAD_FORMAT; } ECHO_DEBUGPRINTF( ( "CMona::QueryAudioSampleRate()\n" ) ); return ECHOSTATUS_OK; } // ECHOSTATUS CMona::QueryAudioSampleRate void CMona::QuerySampleRateRange(DWORD &dwMinRate,DWORD &dwMaxRate) { dwMinRate = 8000; dwMaxRate = 96000; } //=========================================================================== // // GetInputClockDetect returns a bitmask consisting of all the input // clocks currently connected to the hardware; this changes as the user // connects and disconnects clock inputs. // // You should use this information to determine which clocks the user is // allowed to select. // // Mona supports S/PDIF, word, and ADAT input clocks. // //=========================================================================== ECHOSTATUS CMona::GetInputClockDetect(DWORD &dwClockDetectBits) { //ECHO_DEBUGPRINTF(("CMona::GetInputClockDetect\n")); if ( NULL == GetDspCommObject() || GetDspCommObject()->IsBoardBad() ) { ECHO_DEBUGPRINTF( ("CMona::GetInputClockDetect: DSP Dead!\n") ); return ECHOSTATUS_DSP_DEAD; } // // Map the DSP clock detect bits to the generic driver clock detect bits // DWORD dwClocksFromDsp = GetDspCommObject()->GetInputClockDetect(); dwClockDetectBits = ECHO_CLOCK_BIT_INTERNAL; if (0 != (dwClocksFromDsp & GML_CLOCK_DETECT_BIT_SPDIF)) dwClockDetectBits |= ECHO_CLOCK_BIT_SPDIF; if (0 != (dwClocksFromDsp & GML_CLOCK_DETECT_BIT_ADAT)) dwClockDetectBits |= ECHO_CLOCK_BIT_ADAT; if (0 != (dwClocksFromDsp & GML_CLOCK_DETECT_BIT_WORD)) dwClockDetectBits |= ECHO_CLOCK_BIT_WORD; return ECHOSTATUS_OK; } // GetInputClockDetect // *** CMona.cpp ***