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         return true;
  75 }
  76
  77 void CDIntfDone(void)
  78 {
  79         WriteLog("CDINTF: Shutting down CD-ROM subsystem.\n");
  80
  81         if (cdioPtr)
  82                 cdio_destroy(cdioPtr);
  83 }
  84
  85 bool CDIntfReadBlock(uint32 sector, uint8 * buffer)
  86 {
  87         // !!! FIX !!!
  88         WriteLog("CDINTF: ReadBlock unimplemented!\n");
  89         return false;
  90 }
  91
  92 uint32 CDIntfGetNumSessions(void)
  93 {
  94         // !!! FIX !!!
  95         // Still need relevant code here... !!! FIX !!!
  96         return 2;
  97 }
  98
  99 void CDIntfSelectDrive(uint32 driveNum)
 100 {
 101         // !!! FIX !!!
 102         WriteLog("CDINTF: SelectDrive unimplemented!\n");
 103 }
 104
 105 uint32 CDIntfGetCurrentDrive(void)
 106 {
 107         // !!! FIX !!!
 108         WriteLog("CDINTF: GetCurrentDrive unimplemented!\n");
 109         return 0;
 110 }
 111
 112 const uint8 * CDIntfGetDriveName(uint32 driveNum)
 113 {
 114         // driveNum is currently ignored... !!! FIX !!!
 115
 116         uint8 * driveName = (uint8 *)cdio_get_default_device(cdioPtr);
 117         WriteLog("CDINTF: The drive name for the current driver is %s.\n", driveName);
 118
 119         return driveName;
 120 }
 121
 122 uint8 CDIntfGetSessionInfo(uint32 session, uint32 offset)
 123 {
 124         // !!! FIX !!!
 125         WriteLog("CDINTF: GetSessionInfo unimplemented!\n");
 126         return 0xFF;
 127 }
 128
 129 uint8 CDIntfGetTrackInfo(uint32 track, uint32 offset)
 130 {
 131         // !!! FIX !!!
 132         WriteLog("CDINTF: GetTrackInfo unimplemented!\n");
 133         return 0xFF;
 134 }