workbench/devs/AHI/Drivers/AROS/aros-init.c

   1
   2 #include <config.h>
   3
   4 #include "library.h"
   5 #include "DriverData.h"
   6
   7 #define AHI_AROSQUIET
   8 #define DEBUG 1
   9 #include <aros/debug.h>
  10
  11 struct DosLibrary *DOSBase = NULL;
  12 struct Library *OSSBase = NULL;
  13
  14 /******************************************************************************
  15 ** Custom driver init *********************************************************
  16 ******************************************************************************/
  17
  18 BOOL
  19 DriverInit( struct DriverBase* AHIsubBase )
  20 {
  21   struct AROSBase* AROSBase = (struct AROSBase*) AHIsubBase;
  22
  23   DOSBase = OpenLibrary( DOSNAME, 37 );
  24
  25   if( DOSBase == NULL )
  26   {
  27 #ifndef AHI_AROSQUIET
  28     Req( "Unable to open 'dos.library' version 37.\n" );
  29 #else
  30     D(bug("Unable to open 'dos.library' version 37.\n" ));
  31 #endif
  32     return FALSE;
  33   }
  34
  35   OSSBase = OpenLibrary( "oss.library", 0 );
  36
  37   if( OSSBase == NULL )
  38   {
  39 #ifndef AHI_AROSQUIET
  40     Req( "Unable to open 'oss.library'.\n" );
  41 #endif
  42     return FALSE;
  43   }
  44
  45   // Fail if no hardware is present (this check prevents the audio
  46   // modes from being added to the database if the driver cannot be
  47   // used).
  48
  49   if( ! OSS_Open( "/dev/dsp", FALSE, TRUE, FALSE ) )
  50   {
  51 #ifndef AHI_AROSQUIET
  52     Req( "No sound card present.\n" );
  53 #else
  54     D(bug( "No sound card present.\n" ));
  55 #endif
  56     return FALSE;
  57   }
  58
  59   OSS_Close();
  60
  61   return TRUE;
  62 }
  63
  64
  65 /******************************************************************************
  66 ** Custom driver clean-up *****************************************************
  67 ******************************************************************************/
  68
  69 VOID
  70 DriverCleanup( struct DriverBase* AHIsubBase )
  71 {
  72   struct AROSBase* AROSBase = (struct AROSBase*) AHIsubBase;
  73
  74   CloseLibrary( (struct Library*) DOSBase );
  75   CloseLibrary( OSSBase );
  76 }