src/cdintf.cpp

   1 //
   2 // OS agnostic CDROM interface functions
   3 //
   4 // by James Hammons
   5 // (C) 2010 Underground Software
   6 //
   7 // JLH = James Hammons <jlhamm@acm.org>
   8 // JPM = Jean-Paul Mari <djipi.mari@gmail.com>
   9 //
  10 // Who  When        What
  11 // ---  ----------  ------------------------------------------------------------
  12 // JLH  01/16/2010  Created this log ;-)
  13 // JPM  06/15/2016  Visual Studio support
  14 //
  15
  16 //
  17 // This now uses the supposedly cross-platform libcdio to do the necessary
  18 // low-level CD twiddling we need that libsdl can't do currently. Jury is
  19 // still out on whether or not to make this a conditional compilation or not.
  20 //
  21
  22 // Comment this out if you don't have libcdio installed
  23 // (Actually, this is defined in the Makefile to prevent having to edit
  24 //  things too damn much. Jury is still out whether or not to make this
  25 //  change permanent.)
  26 //#define HAVE_LIB_CDIO
  27
  28 #include "cdintf.h"                                                             // Every OS has to implement these
  29
  30 #ifdef HAVE_LIB_CDIO
  31 #include <cdio/cdio.h>                                                  // Now using OS agnostic CD access routines!
  32 #endif
  33 #include "log.h"
  34
  35
  36 /*
  37 static void TestCDIO(void)
  38 {
  39         // See what (if anything) is installed.
  40         CdIo_t * p_cdio = cdio_open(0, DRIVER_DEVICE);
  41         driver_id_t driver_id;
  42
  43         if (p_cdio != NULL)
  44         {
  45                 WriteLog("CDIO: The driver selected is %s.\n", cdio_get_driver_name(p_cdio));
  46                 WriteLog("CDIO: The default device for this driver is %s.\n\n", cdio_get_default_device(p_cdio));
  47                 cdio_destroy(p_cdio);
  48         }
  49         else
  50         {
  51                 WriteLog("CDIO: A suitable CD-ROM driver was not found.\n\n");
  52         }
  53 }
  54 */
  55
  56 //
  57 // *** OK, here's where we're going to attempt to put the platform agnostic CD interface ***
  58 //
  59
  60 #ifdef HAVE_LIB_CDIO
  61 static CdIo_t * cdioPtr = NULL;
  62 #endif
  63
  64
  65 bool CDIntfInit(void)
  66 {
  67 #ifdef HAVE_LIB_CDIO
  68         cdioPtr = cdio_open(NULL, DRIVER_DEVICE);
  69
  70         if (cdioPtr == NULL)
  71         {
  72 #endif
  73                 WriteLog("CDINTF: No suitable CD-ROM driver found.\n");
  74                 return false;
  75 #ifdef HAVE_LIB_CDIO
  76         }
  77
  78         WriteLog("CDINTF: Successfully opened CD-ROM interface.\n");
  79
  80         return true;
  81 #endif
  82 }
  83
  84
  85 void CDIntfDone(void)
  86 {
  87         WriteLog("CDINTF: Shutting down CD-ROM subsystem.\n");
  88
  89 #ifdef HAVE_LIB_CDIO
  90         if (cdioPtr)
  91                 cdio_destroy(cdioPtr);
  92 #endif
  93 }
  94
  95
  96 bool CDIntfReadBlock(uint32_t sector, uint8_t * buffer)
  97 {
  98 #ifdef _MSC_VER
  99 #pragma message("Warning: !!! FIX !!! CDIntfReadBlock not implemented!")
 100 #else
 101 #warning "!!! FIX !!! CDIntfReadBlock not implemented!"
 102 #endif // _MSC_VER
 103         // !!! FIX !!!
 104         WriteLog("CDINTF: ReadBlock unimplemented!\n");
 105         return false;
 106 }
 107
 108
 109 uint32_t CDIntfGetNumSessions(void)
 110 {
 111 #ifdef _MSC_VER
 112 #pragma message("Warning: !!! FIX !!! CDIntfGetNumSessions not implemented!")
 113 #else
 114 #warning "!!! FIX !!! CDIntfGetNumSessions not implemented!"
 115 #endif // _MSC_VER
 116         // !!! FIX !!!
 117         // Still need relevant code here... !!! FIX !!!
 118         return 2;
 119 }
 120
 121
 122 void CDIntfSelectDrive(uint32_t driveNum)
 123 {
 124 #ifdef _MSC_VER
 125 #pragma message("Warning: !!! FIX !!! CDIntfSelectDrive not implemented!")
 126 #else
 127 #warning "!!! FIX !!! CDIntfSelectDrive not implemented!"
 128 #endif // _MSC_VER
 129         // !!! FIX !!!
 130         WriteLog("CDINTF: SelectDrive unimplemented!\n");
 131 }
 132
 133
 134 uint32_t CDIntfGetCurrentDrive(void)
 135 {
 136 #ifdef _MSC_VER
 137 #pragma message("Warning: !!! FIX !!! CDIntfGetCurrentDrive not implemented!")
 138 #else
 139 #warning "!!! FIX !!! CDIntfGetCurrentDrive not implemented!"
 140 #endif // _MSC_VER
 141         // !!! FIX !!!
 142         WriteLog("CDINTF: GetCurrentDrive unimplemented!\n");
 143         return 0;
 144 }
 145
 146
 147 const uint8_t * CDIntfGetDriveName(uint32_t driveNum)
 148 {
 149 #ifdef _MSC_VER
 150 #pragma message("Warning: !!! FIX !!! CDIntfGetDriveName driveNum is currently ignored!")
 151 #else
 152 #warning "!!! FIX !!! CDIntfGetDriveName driveNum is currently ignored!"
 153 #endif // _MSC_VER
 154         // driveNum is currently ignored... !!! FIX !!!
 155
 156 #ifdef HAVE_LIB_CDIO
 157         uint8_t * driveName = (uint8_t *)cdio_get_default_device(cdioPtr);
 158         WriteLog("CDINTF: The drive name for the current driver is %s.\n", driveName);
 159
 160         return driveName;
 161 #else
 162         return (uint8_t *)"NONE";
 163 #endif
 164 }
 165
 166
 167 uint8_t CDIntfGetSessionInfo(uint32_t session, uint32_t offset)
 168 {
 169 #ifdef _MSC_VER
 170 #pragma message("Warning: !!! FIX !!! CDIntfGetSessionInfo not implemented!")
 171 #else
 172 #warning "!!! FIX !!! CDIntfGetSessionInfo not implemented!"
 173 #endif // _MSC_VER
 174         // !!! FIX !!!
 175         WriteLog("CDINTF: GetSessionInfo unimplemented!\n");
 176         return 0xFF;
 177 }
 178
 179
 180 uint8_t CDIntfGetTrackInfo(uint32_t track, uint32_t offset)
 181 {
 182 #ifdef _MSC_VER
 183 #pragma message("Warning: !!! FIX !!! CDIntfTrackInfo not implemented!")
 184 #else
 185 #warning "!!! FIX !!! CDIntfTrackInfo not implemented!"
 186 #endif // _MSC_VER
 187         // !!! FIX !!!
 188         WriteLog("CDINTF: GetTrackInfo unimplemented!\n");
 189         return 0xFF;
 190 }
 191