iodev/cdrom.h

   1 /////////////////////////////////////////////////////////////////////////
   2 // $Id: cdrom.h,v 1.20 2006/03/07 21:11:16 sshwarts Exp $
   3 /////////////////////////////////////////////////////////////////////////
   4 //
   5 //  Copyright (C) 2002  MandrakeSoft S.A.
   6 //
   7 //    MandrakeSoft S.A.
   8 //    43, rue d'Aboukir
   9 //    75002 Paris - France
  10 //    http://www.linux-mandrake.com/
  11 //    http://www.mandrakesoft.com/
  12 //
  13 //  This library is free software; you can redistribute it and/or
  14 //  modify it under the terms of the GNU Lesser General Public
  15 //  License as published by the Free Software Foundation; either
  16 //  version 2 of the License, or (at your option) any later version.
  17 //
  18 //  This library is distributed in the hope that it will be useful,
  19 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21 //  Lesser General Public License for more details.
  22 //
  23 //  You should have received a copy of the GNU Lesser General Public
  24 //  License along with this library; if not, write to the Free Software
  25 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  26
  27
  28 // Header file for low-level OS specific CDROM emulation
  29
  30
  31 class cdrom_interface : public logfunctions {
  32 public:
  33   cdrom_interface(char *dev);
  34   virtual ~cdrom_interface(void);
  35   void init(void);
  36
  37   // Load CD-ROM. Returns 0 if CD is not ready.
  38   bx_bool insert_cdrom(char *dev = NULL);
  39
  40   // Logically eject the CD.
  41   void eject_cdrom();
  42
  43   // Read CD TOC. Returns 0 if start track is out of bounds.
  44   bx_bool read_toc(Bit8u* buf, int* length, bx_bool msf, int start_track, int format);
  45
  46   // Return CD-ROM capacity (in 2048 byte frames)
  47   Bit32u capacity();
  48
  49   // Read a single block from the CD. Returns 0 on failure.
  50   bx_bool read_block(Bit8u* buf, int lba, int blocksize) BX_CPP_AttrRegparmN(3);
  51
  52   // Start (spin up) the CD.
  53   bx_bool start_cdrom();
  54
  55   // Seek for new block address.
  56   void seek(int lba);
  57
  58 private:
  59   int fd;
  60   char *path;
  61
  62   int using_file;
  63 #ifdef WIN32
  64   BOOL bUseASPI;
  65   HANDLE hFile;
  66   int hid;
  67   int tid;
  68   int lun;
  69 #endif
  70   };
  71