Shamusworld >> Repos - virtualjaguar/blob - src/cdintf.cpp

   1 //
   2 // OS agnostic CDROM interface functions
   3 //
   4 // by James L. Hammons
   5 //
   6 // This file is basically a shell to keep the front-end clean and also pull in the
   7 // appropriate back-end code depending on which target is being compiled for.
   8 //
   9
  10 #include "cdintf.h"                                                             // Every OS has to implement these
  11
  12 #include <cdio/cdio.h>                                                  // Now using OS agnostic CD access routines!
  13 #include "log.h"
  14
  15 // Not any more!
  16 #if 0
  17
  18 // OS dependent implementations
  19
  20 #if defined(__GCCWIN32__)
  21
  22 #include "cdintf_win32.cpp"
  23
  24 #elif defined(__GCCUNIX__)
  25         #if defined(_OSX_)
  26
  27 #include "cdintf_osx.cpp"
  28
  29         #else
  30
  31 #include "cdintf_linux.cpp"
  32
  33         #endif
  34 #endif
  35
  36 #endif
  37
  38 /*
  39 static void TestCDIO(void)
  40 {
  41         // See what (if anything) is installed.
  42         CdIo_t * p_cdio = cdio_open(0, DRIVER_DEVICE);
  43         driver_id_t driver_id;
  44
  45         if (p_cdio != NULL)
  46         {
  47                 WriteLog("CDIO: The driver selected is %s.\n", cdio_get_driver_name(p_cdio));
  48                 WriteLog("CDIO: The default device for this driver is %s.\n\n", cdio_get_default_device(p_cdio));
  49                 cdio_destroy(p_cdio);
  50         }
  51         else
  52         {
  53                 WriteLog("CDIO: A suitable CD-ROM driver was not found.\n\n");
  54         }
  55 }
  56 */
  57
  58 //
  59 // *** OK, here's where we're going to attempt to put the platform agnostic CD interface ***
  60 //
  61
  62 static CdIo_t * cdioPtr = NULL;
  63
  64 bool CDIntfInit(void)
  65 {
  66         cdioPtr = cdio_open(NULL, DRIVER_DEVICE);
  67
  68         if (cdioPtr == NULL)
  69         {
  70                 WriteLog("CDINTF: No suitable CD-ROM driver found.\n");
  71                 return false;
  72         }
  73
  74         WriteLog("CDINTF: Successfully opened CD-ROM interface.\n");
  75
  76         return true;
  77 }
  78
  79 void CDIntfDone(void)
  80 {
  81         WriteLog("CDINTF: Shutting down CD-ROM subsystem.\n");
  82
  83         if (cdioPtr)
  84                 cdio_destroy(cdioPtr);
  85 }
  86
  87 bool CDIntfReadBlock(uint32 sector, uint8 * buffer)
  88 {
  89         // !!! FIX !!!
  90         WriteLog("CDINTF: ReadBlock unimplemented!\n");
  91         return false;
  92 }
  93
  94 uint32 CDIntfGetNumSessions(void)
  95 {
  96         // !!! FIX !!!
  97         // Still need relevant code here... !!! FIX !!!
  98         return 2;
  99 }
 100
 101 void CDIntfSelectDrive(uint32 driveNum)
 102 {
 103         // !!! FIX !!!
 104         WriteLog("CDINTF: SelectDrive unimplemented!\n");
 105 }
 106
 107 uint32 CDIntfGetCurrentDrive(void)
 108 {
 109         // !!! FIX !!!
 110         WriteLog("CDINTF: GetCurrentDrive unimplemented!\n");
 111         return 0;
 112 }
 113
 114 const uint8 * CDIntfGetDriveName(uint32 driveNum)
 115 {
 116         // driveNum is currently ignored... !!! FIX !!!
 117
 118         uint8 * driveName = (uint8 *)cdio_get_default_device(cdioPtr);
 119         WriteLog("CDINTF: The drive name for the current driver is %s.\n", driveName);
 120
 121         return driveName;
 122 }
 123
 124 uint8 CDIntfGetSessionInfo(uint32 session, uint32 offset)
 125 {
 126         // !!! FIX !!!
 127         WriteLog("CDINTF: GetSessionInfo unimplemented!\n");
 128         return 0xFF;
 129 }
 130
 131 uint8 CDIntfGetTrackInfo(uint32 track, uint32 offset)
 132 {
 133         // !!! FIX !!!
 134         WriteLog("CDINTF: GetTrackInfo unimplemented!\n");
 135         return 0xFF;
 136 }