libcdio-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Libcdio-devel] [PATCH] OS/2 support


From: KO Myung-Hun
Subject: [Libcdio-devel] [PATCH] OS/2 support
Date: Mon, 12 Jan 2009 22:31:19 +0900
User-agent: Mozilla/5.0 (OS/2; U; Warp 4.5; en-US; rv:1.8.1.19) Gecko/20081217 SeaMonkey/1.1.14 Mnenhy/0.7.6.0

Hi/2.

These patches add a OS/2 driver for libcdio-0.81.

Review, please.

-- 
KO Myung-Hun

Using Mozilla SeaMonkey 1.1.14
Under OS/2 Warp 4 for Korean with FixPak #15
On AMD ThunderBird 1 GHz with 512 MB RAM

Korean OS/2 User Community : http://www.ecomstation.co.kr


diff -buNr configure.ac.org configure.ac
--- configure.ac.org    2008-10-26 23:48:24.000000000 +0900
+++ configure.ac        2009-01-09 02:09:10.000000000 +0900
@@ -529,6 +529,13 @@
        # LIBS="$LIBS -lcam"
        cd_drivers="${cd_drivers}, NetBSD "
        ;;
+     os2*)
+       AC_DEFINE([HAVE_OS2_CDROM], [1],
+                  [Define 1 if you have OS/2 CD-ROM support])
+       LT_NO_UNDEFINED="-no-undefined"
+       LDFLAGS="$LDFLAGS -Zbin-files"
+       cd_drivers="${cd_drivers}, OS2 "
+       ;;
      *)
        AC_MSG_WARN([Don't have OS CD-reading support for ${host_os}...])
        AC_MSG_WARN([Will use generic support.])
@@ -563,6 +570,7 @@
 AC_SUBST(HAVE_LINUX_CDROM)
 AC_SUBST(HAVE_SOLARIS_CDROM)
 AC_SUBST(HAVE_WIN32_CDROM)
+AC_SUBST(HAVE_OS2_CDROM)
 
 LIBCDIO_SOURCE_PATH="`pwd`"
 AC_DEFINE_UNQUOTED(LIBCDIO_SOURCE_PATH, "$LIBCDIO_SOURCE_PATH",
diff -buNr include/cdio/device.h.org include/cdio/device.h
--- include/cdio/device.h.org   2008-03-27 18:28:36.000000000 +0900
+++ include/cdio/device.h       2009-01-12 22:05:00.000000000 +0900
@@ -159,6 +159,7 @@
     DRIVER_OSX,     /**< Apple OSX Driver */
     DRIVER_WIN32,   /**< Microsoft Windows Driver. Includes ASPI and 
                         ioctl access. */
+    DRIVER_OS2,     /**< OS/2 Driver */
     DRIVER_NETBSD,  /**< NetBSD Driver. */
     DRIVER_CDRDAO,  /**< cdrdao format CD image. This is listed
                         before BIN/CUE, to make the code prefer cdrdao
@@ -810,6 +811,44 @@
 
   char **cdio_get_devices_win32(void);
   
+  /*! Set up CD-ROM for reading using the IBM OS/2 driver. The
+      device_name is the some sort of device name.
+
+     NULL is returned on error or there is no OS/2 driver.
+
+     In some situations of drivers or OS's we can't find a CD device if
+     there is no media in it and it is possible for this routine to return
+     NULL even though there may be a hardware CD-ROM.
+
+     @see cdio_open_cd, cdio_open
+   */
+  CdIo_t * cdio_open_os2 (const char *psz_source);
+
+  /*! Set up CD-ROM for reading using the IBM OS/2 driver. The
+      device_name is the some sort of device name.
+
+     NULL is returned on error or there is no OS/2 driver.
+
+     @see cdio_open_cd, cdio_open
+   */
+  CdIo_t * cdio_open_am_os2 (const char *psz_source,
+                            const char *psz_access_mode);
+
+  /*! Return a string containing the default device name that the
+      OS/2 driver would use when none is specified. A scan is made
+      for CD-ROM drives with CDs in them.
+
+     In some situations of drivers or OS's we can't find a CD device if
+     there is no media in it and it is possible for this routine to return
+     NULL even though there may be a hardware CD-ROM.
+   */
+  char * cdio_get_default_device_os2(void);
+
+  /*! Return a list of all of the CD-ROM devices that the OS/2 driver
+      can find.
+   */
+  char **cdio_get_devices_os2(void);
+
   /*! Set up CD-ROM for reading using the Nero driver. The
       device_name is the some sort of device name.
 
diff -buNr lib/cdda_interface/common_interface.h.org 
lib/cdda_interface/common_interface.h
--- lib/cdda_interface/common_interface.h.org   2008-04-23 23:59:52.000000000 
+0900
+++ lib/cdda_interface/common_interface.h       2009-01-09 01:59:08.000000000 
+0900
@@ -28,7 +28,7 @@
 #include <cdio/types.h>
 #include "low_interface.h"
 
-#if defined(HAVE_LSTAT) && !defined(HAVE_WIN32_CDROM)
+#if defined(HAVE_LSTAT) && !defined(HAVE_WIN32_CDROM) && 
!defined(HAVE_OS2_CDROM)
 /* Define this if the CD-ROM device is a file in the filesystem
    that can be lstat'd
 */
diff -buNr lib/driver/cdio_private.h.org lib/driver/cdio_private.h
--- lib/driver/cdio_private.h.org       2008-04-23 23:59:52.000000000 +0900
+++ lib/driver/cdio_private.h   2009-01-12 22:05:42.000000000 +0900
@@ -488,6 +488,7 @@
   driver_return_code_t close_tray_osx     (const char *psz_drive);
   driver_return_code_t close_tray_solaris (const char *psz_drive);
   driver_return_code_t close_tray_win32   (const char *psz_drive);
+  driver_return_code_t close_tray_os2     (const char *psz_drive);
 
   bool cdio_have_netbsd(void);
   CdIo_t * cdio_open_netbsd (const char *psz_source);
@@ -531,6 +532,10 @@
     True if Microsoft Windows driver is available. */
   bool cdio_have_win32   (void);
 
+  /*! DEPRICATED: use cdio_have_driver().
+    True if IBM OS/2 driver is available. */
+  bool cdio_have_os2     (void);
+
   /*! True if Nero driver is available. */
   bool cdio_have_nrg     (void);
 
diff -buNr lib/driver/device.c.org lib/driver/device.c
--- lib/driver/device.c.org     2008-04-23 23:59:52.000000000 +0900
+++ lib/driver/device.c 2009-01-09 01:59:08.000000000 +0900
@@ -71,6 +71,8 @@
 const driver_id_t cdio_os_driver = DRIVER_SOLARIS;
 #elif  HAVE_DARWIN_WIN32
 const driver_id_t cdio_os_driver = DRIVER_WIN32;
+#elif  HAVE_OS2_CDROM
+const driver_id_t cdio_os_driver = DRIVER_OS2;
 #else 
 const driver_id_t cdio_os_driver = DRIVER_UNKNOWN;
 #endif
@@ -213,6 +215,19 @@
    &close_tray_win32
   },
 
+  {DRIVER_OS2,
+   CDIO_SRC_IS_DEVICE_MASK|CDIO_SRC_IS_NATIVE_MASK|CDIO_SRC_IS_SCSI_MASK,
+   "OS2",
+   "IBM OS/2 driver",
+   &cdio_have_os2,
+   &cdio_open_os2,
+   &cdio_open_am_os2,
+   &cdio_get_default_device_os2,
+   &cdio_is_device_os2,
+   &cdio_get_devices_os2,
+   &close_tray_os2
+  },
+
   {DRIVER_CDRDAO,
    CDIO_SRC_IS_DISK_IMAGE_MASK,
    "CDRDAO",
@@ -939,6 +954,7 @@
   case DRIVER_SOLARIS:
   case DRIVER_WIN32:
   case DRIVER_OSX:
+  case DRIVER_OS2:
   case DRIVER_NRG:
   case DRIVER_BINCUE:
   case DRIVER_CDRDAO:
diff -buNr lib/driver/generic.h.org lib/driver/generic.h
--- lib/driver/generic.h.org    2008-04-23 23:59:52.000000000 +0900
+++ lib/driver/generic.h        2009-01-09 02:26:50.000000000 +0900
@@ -134,6 +134,12 @@
   */
   bool cdio_is_device_win32(const char *source_name);
 
+  /*!
+    Return true if source_name could be a device containing a CD-ROM on
+    OS/2
+  */
+  bool cdio_is_device_os2(const char *source_name);
+
   
   /*!  
     Return true if source_name could be a device containing a CD-ROM on
diff -buNr lib/driver/Makefile.am.org lib/driver/Makefile.am
--- lib/driver/Makefile.am.org  2008-10-19 18:25:30.000000000 +0900
+++ lib/driver/Makefile.am      2009-01-06 12:42:40.000000000 +0900
@@ -90,6 +90,7 @@
        MSWindows/win32.h \
        netbsd.c \
        osx.c \
+       os2.c \
        read.c \
        sector.c \
        solaris.c \
diff -buNr lib/driver/os2.c.org lib/driver/os2.c
--- lib/driver/os2.c.org        2009-01-09 23:57:26.000000000 +0900
+++ lib/driver/os2.c    2009-01-11 17:49:36.000000000 +0900
@@ -0,0 +1,1554 @@
+/*
+  $Id: os2.c,v 1.30 2008/04/21 18:30:21 karl Exp $
+
+  Copyright (C) 2009 KO Myung-Hun <address@hidden>
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* This file contains OS/2-specific code using the DosDevIOCtl
+   access method.
+*/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+static const char _rcsid[] = "$Id: os2.c,v 1.30 2008/04/21 18:30:21 karl Exp 
$";
+
+#include <cdio/cdio.h>
+#include <cdio/sector.h>
+#include <cdio/util.h>
+#include <cdio/mmc.h>
+#include "cdio_assert.h"
+#include "cdio_private.h"
+
+#include <string.h>
+
+#ifdef HAVE_OS2_CDROM
+
+#define INCL_DOS
+#define INCL_DOSDEVIOCTL
+#include <os2.h>
+
+#include <ctype.h>
+
+
+typedef struct {
+  lsn_t          lsn_start;
+  UCHAR          uc_adr;
+  UCHAR          uc_control;
+} toc_t;
+
+typedef enum {
+  _AM_NONE,
+  _AM_OS2,
+} access_mode_t;
+
+typedef struct {
+  /* Things common to all drivers like this.
+     This must be first. */
+  generic_img_private_t gen;
+
+  access_mode_t access_mode;
+
+  /* Track information */
+  toc_t  toc[CDIO_CD_MAX_TRACKS + 1];   /* 1 more for leadout */
+  int    i_first_track;
+  int    i_last_track;
+
+  /* Some of the more OS specific things. */
+  HFILE h_cd;
+  BYTE  uc_drive;
+} _img_private_t;
+
+#pragma pack(1)
+
+static track_format_t
+get_track_format_os2(const _img_private_t *p_env, track_t i_track);
+
+static bool read_toc_os2 (void *p_user_data);
+
+static int
+run_mmc_cmd_os2( void *p_user_data, unsigned int i_timeout_ms,
+                 unsigned int i_cdb, const mmc_cdb_t *p_cdb,
+                 cdio_mmc_direction_t e_direction,
+                 unsigned int i_buf, /*in/out*/ void *p_buf );
+
+/*!
+  Set the volume of an audio CD.
+
+  @param p_cdio the CD object to be acted upon.
+
+*/
+static driver_return_code_t
+audio_get_volume_os2 (void *p_user_data,
+                      /*out*/ cdio_audio_volume_t *p_volume)
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct {
+    UCHAR auch_sign[4];
+  } s_param = {{'C', 'D', '0', '1'}};
+
+  struct {
+    struct {
+      BYTE  uc_in_ch;
+      BYTE  uc_vol;
+    } as_out_ch[4];
+  } s_data;
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+  int   i;
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMAUDIO, CDROMAUDIO_GETCHANNEL,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          &s_data, sizeof( s_data ), &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("audio_get_volume_os2 : DosDevIOCtl(GETCHANNEL) = 0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  for( i = 0; i < 4; i++ )
+    p_volume->level[ i ] = s_data.as_out_ch[ i ].uc_vol;
+
+  return DRIVER_OP_SUCCESS;
+}
+
+/*!
+  Pause playing CD through analog output
+
+  @param p_cdio the CD object to be acted upon.
+*/
+static driver_return_code_t
+audio_pause_os2 (void *p_user_data)
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct {
+    UCHAR auch_sign[4];
+  } s_param = {{'C', 'D', '0', '1'}};
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMAUDIO, CDROMAUDIO_STOPAUDIO,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          NULL, 0, &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("audio_pause_os2 : DosDevIOCtl(STOPAUDIO) = 0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  return DRIVER_OP_SUCCESS;
+}
+
+/*!
+  Playing CD through analog output at the given MSF.
+
+  @param p_cdio the CD object to be acted upon.
+*/
+static driver_return_code_t
+audio_play_msf_os2 (void *p_user_data, msf_t *p_start_msf, msf_t *p_end_msf)
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct {
+    UCHAR auch_sign[4];
+    BYTE  uc_access_mode;
+    BYTE  uc_start_msf_f;
+    BYTE  uc_start_msf_s;
+    BYTE  uc_start_msf_m;
+    BYTE  uc_start_msf_reserved;
+    BYTE  uc_end_msf_f;
+    BYTE  uc_end_msf_s;
+    BYTE  uc_end_msf_m;
+    BYTE  uc_end_msf_reserved;
+  } s_param = {
+    .auch_sign = {'C', 'D', '0', '1'},
+    .uc_access_mode = 01,                /* use MSF format */
+  };
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+
+  s_param.uc_start_msf_m = cdio_from_bcd8(p_start_msf->m);
+  s_param.uc_start_msf_s = cdio_from_bcd8(p_start_msf->s);
+  s_param.uc_start_msf_f = cdio_from_bcd8(p_start_msf->f);
+
+  s_param.uc_end_msf_m   = cdio_from_bcd8(p_end_msf->m);
+  s_param.uc_end_msf_s   = cdio_from_bcd8(p_end_msf->s);
+  s_param.uc_end_msf_f   = cdio_from_bcd8(p_end_msf->f);
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMAUDIO, CDROMAUDIO_PLAYAUDIO,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          NULL, 0, &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("audio_play_msf_os2 : DosDevIOCtl(PLAYAUDIO) = 0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  return DRIVER_OP_SUCCESS;
+}
+
+/*!
+  Read Audio Subchannel information
+
+  @param p_cdio the CD object to be acted upon.
+
+*/
+static driver_return_code_t
+audio_read_subchannel_os2 (void *p_user_data,
+                            cdio_subchannel_t *p_subchannel)
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct {
+    UCHAR auch_sign[4];
+  } s_param = {{'C', 'D', '0', '1'}};
+
+  struct {
+    BYTE uc_control_and_adr;
+    BYTE uc_track_number;                /* in BCD */
+    BYTE uc_index;                       /* in BCD */
+    BYTE uc_running_time_in_track_m;
+    BYTE uc_running_time_in_track_s;
+    BYTE uc_running_time_in_track_f;
+    BYTE uc_reserved;
+    BYTE uc_running_time_on_disk_m;
+    BYTE uc_running_time_on_disk_s;
+    BYTE uc_running_time_on_disk_f;
+  } s_data_subchannel_q;
+
+  struct {
+    USHORT  us_audio_status_bits;
+    ULONG   ul_start_msf;
+    ULONG   ul_end_msf;
+  } s_data_audio_status;
+
+  ULONG ul_data_device_status;
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMAUDIO, CDROMAUDIO_GETSUBCHANNELQ,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          &s_data_subchannel_q, sizeof( s_data_subchannel_q ), &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("audio_read_subchannel_os2 : DosDevIOCtl(GETSUBCHANNELQ) = 
0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIOSTATUS,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          &s_data_audio_status, sizeof( s_data_audio_status ), &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("audio_read_subchannel_os2 : DosDevIOCtl(GETAUDIOSTATUS) = 
0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMDISK, CDROMDISK_DEVICESTATUS,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          &ul_data_device_status, sizeof( ul_data_device_status ), 
&ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("audio_read_subchannel_os2 : DosDevIOCtl(DEVICESTATUS) = 
0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  p_subchannel->track = cdio_from_bcd8(s_data_subchannel_q.uc_track_number);
+  p_subchannel->index = cdio_from_bcd8(s_data_subchannel_q.uc_index);
+
+  p_subchannel->abs_addr.m = 
cdio_to_bcd8(s_data_subchannel_q.uc_running_time_on_disk_m);
+  p_subchannel->abs_addr.s = 
cdio_to_bcd8(s_data_subchannel_q.uc_running_time_on_disk_s);
+  p_subchannel->abs_addr.f = 
cdio_to_bcd8(s_data_subchannel_q.uc_running_time_on_disk_f);
+  p_subchannel->rel_addr.m = 
cdio_to_bcd8(s_data_subchannel_q.uc_running_time_in_track_m);
+  p_subchannel->rel_addr.s = 
cdio_to_bcd8(s_data_subchannel_q.uc_running_time_in_track_s);
+  p_subchannel->rel_addr.f = 
cdio_to_bcd8(s_data_subchannel_q.uc_running_time_in_track_f);
+
+  p_subchannel->address =   s_data_subchannel_q.uc_control_and_adr        & 
0x0F;
+  p_subchannel->control = ( s_data_subchannel_q.uc_control_and_adr >> 4 ) & 
0x0F;
+
+  if( ul_data_device_status & 0x1000 )
+    p_subchannel->audio_status = CDIO_MMC_READ_SUB_ST_PLAY;
+  else if( s_data_audio_status.us_audio_status_bits & 1 )
+    p_subchannel->audio_status = CDIO_MMC_READ_SUB_ST_PAUSED;
+  else if( s_data_audio_status.ul_start_msf == 0 &&
+           s_data_audio_status.ul_end_msf == 0 )
+    p_subchannel->audio_status = CDIO_MMC_READ_SUB_ST_NO_STATUS;
+  else
+    p_subchannel->audio_status = CDIO_MMC_READ_SUB_ST_COMPLETED;
+
+  return DRIVER_OP_SUCCESS;
+}
+
+  /*!
+    Resume playing an audio CD.
+
+    @param p_cdio the CD object to be acted upon.
+
+  */
+static driver_return_code_t
+audio_resume_os2 (void *p_user_data)
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct {
+    UCHAR auch_sign[4];
+  } s_param = {{'C', 'D', '0', '1'}};
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMAUDIO, CDROMAUDIO_RESUMEAUDIO,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          NULL, 0, &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("audio_resume_os2 : DosDevIOCtl(RESUMEAUDIO) = 0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  return DRIVER_OP_SUCCESS;
+}
+
+/*!
+  Set the volume of an audio CD.
+
+  @param p_cdio the CD object to be acted upon.
+
+*/
+static driver_return_code_t
+audio_set_volume_os2 ( void *p_user_data, cdio_audio_volume_t *p_volume)
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct {
+    UCHAR auch_sign[4];
+  } s_param = {{'C', 'D', '0', '1'}};
+
+  struct {
+    struct {
+      BYTE  uc_in_ch;
+      BYTE  uc_vol;
+    } as_out_ch[4];
+  } s_data;
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+  int   i;
+
+  /* first retrive current input ch. */
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMAUDIO, CDROMAUDIO_GETCHANNEL,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          &s_data, sizeof( s_data ), &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("audio_set_volume_os2 : DosDevIOCtl(GETCHANNEL) = 0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  for( i = 0; i < 4; i++ )
+    s_data.as_out_ch[ i ].uc_vol = p_volume->level[ i ];
+
+  /* now set volumes */
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMAUDIO, CDROMAUDIO_SETCHANNELCTRL,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          &s_data, sizeof( s_data ), &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("audio_set_volume_os2 : DosDevIOCtl(SETCHANNELCTRL) = 0x%lx\n", 
rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  return DRIVER_OP_SUCCESS;
+}
+
+static driver_return_code_t
+audio_stop_os2 (void *p_user_data)
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct {
+    UCHAR auch_sign[4];
+  } s_param = {{'C', 'D', '0', '1'}};
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMAUDIO, CDROMAUDIO_STOPAUDIO,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          NULL, 0, &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("audio_stop_os2 : DosDevIOCtl(STOPAUDIO) = 0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  return DRIVER_OP_SUCCESS;
+}
+
+/*!
+  Get disc type associated with cd object.
+*/
+static discmode_t
+dvd_discmode_os2 (_img_private_t *p_env)
+{
+  discmode_t discmode=CDIO_DISC_MODE_NO_INFO;
+  driver_return_code_t rc;
+
+  /* See if this is a DVD. */
+  cdio_dvd_struct_t dvd;  /* DVD READ STRUCT for layer 0. */
+
+  dvd.physical.type = CDIO_DVD_STRUCT_PHYSICAL;
+  dvd.physical.layer_num = 0;
+
+  rc = mmc_get_dvd_struct_physical_private (p_env, &run_mmc_cmd_os2,
+                                            &dvd);
+
+  if (DRIVER_OP_SUCCESS == rc) {
+    switch(dvd.physical.layer[0].book_type) {
+    case CDIO_DVD_BOOK_DVD_ROM:  return CDIO_DISC_MODE_DVD_ROM;
+    case CDIO_DVD_BOOK_DVD_RAM:  return CDIO_DISC_MODE_DVD_RAM;
+    case CDIO_DVD_BOOK_DVD_R:    return CDIO_DISC_MODE_DVD_R;
+    case CDIO_DVD_BOOK_DVD_RW:   return CDIO_DISC_MODE_DVD_RW;
+    case CDIO_DVD_BOOK_DVD_PR:   return CDIO_DISC_MODE_DVD_PR;
+    case CDIO_DVD_BOOK_DVD_PRW:  return CDIO_DISC_MODE_DVD_PRW;
+    default: return CDIO_DISC_MODE_DVD_OTHER;
+    }
+  }
+  return discmode;
+}
+
+/*!
+  Get disc type associated with the cd object.
+*/
+static discmode_t
+get_discmode_os2(void *p_user_data)
+{
+  _img_private_t *p_env = p_user_data;
+
+  track_t i_track;
+  discmode_t discmode;
+
+  if (!p_env) return CDIO_DISC_MODE_ERROR;
+
+  discmode = dvd_discmode_os2(p_env);
+
+  if (CDIO_DISC_MODE_NO_INFO != discmode) return discmode;
+
+  if (!p_env->gen.toc_init) read_toc_os2 (p_env);
+
+  if (!p_env->gen.toc_init) return CDIO_DISC_MODE_ERROR;
+
+  for (i_track = p_env->gen.i_first_track;
+       i_track < p_env->gen.i_first_track + p_env->gen.i_tracks ;
+       i_track ++) {
+    track_format_t track_fmt=get_track_format_os2(p_env, i_track);
+
+    switch(track_fmt) {
+    case TRACK_FORMAT_AUDIO:
+      switch(discmode) {
+        case CDIO_DISC_MODE_NO_INFO:
+          discmode = CDIO_DISC_MODE_CD_DA;
+          break;
+        case CDIO_DISC_MODE_CD_DA:
+        case CDIO_DISC_MODE_CD_MIXED:
+        case CDIO_DISC_MODE_ERROR:
+          /* No change*/
+          break;
+      default:
+          discmode = CDIO_DISC_MODE_CD_MIXED;
+      }
+      break;
+    case TRACK_FORMAT_XA:
+      switch(discmode) {
+        case CDIO_DISC_MODE_NO_INFO:
+          discmode = CDIO_DISC_MODE_CD_XA;
+          break;
+        case CDIO_DISC_MODE_CD_XA:
+        case CDIO_DISC_MODE_CD_MIXED:
+        case CDIO_DISC_MODE_ERROR:
+          /* No change*/
+          break;
+      default:
+        discmode = CDIO_DISC_MODE_CD_MIXED;
+      }
+      break;
+    case TRACK_FORMAT_DATA:
+      switch(discmode) {
+        case CDIO_DISC_MODE_NO_INFO:
+          discmode = CDIO_DISC_MODE_CD_DATA;
+          break;
+        case CDIO_DISC_MODE_CD_DATA:
+        case CDIO_DISC_MODE_CD_MIXED:
+        case CDIO_DISC_MODE_ERROR:
+          /* No change*/
+          break;
+      default:
+        discmode = CDIO_DISC_MODE_CD_MIXED;
+      }
+      break;
+    case TRACK_FORMAT_ERROR:
+    default:
+      discmode = CDIO_DISC_MODE_ERROR;
+    }
+  }
+  return discmode;
+}
+
+#define CDROMDISK_EXECMD    0x7A
+
+/* 0, if transfer data to device,  1, if transfer data from device */
+#define EX_DIRECTION_IN     0x0001
+/* 0, if don't check playing audio, 1, if device plays audio return error */
+#define EX_PLAYING_CHK      0x0002
+
+/*!
+  Run a SCSI MMC command.
+
+  env           private CD structure
+  i_timeout_ms  time in milliseconds we will wait for the command
+                to complete. If this value is -1, use the default
+                time-out value.
+  p_buf         Buffer for data, both sending and receiving
+  i_buf         Size of buffer
+  e_direction   direction the transfer is to go.
+  cdb           CDB bytes. All values that are needed should be set on
+                input. We'll figure out what the right CDB length should be.
+
+  Return 0 if command completed successfully.
+ */
+static int
+run_mmc_cmd_os2( void *p_user_data, unsigned int i_timeout_ms,
+                 unsigned int i_cdb, const mmc_cdb_t *p_cdb,
+                 cdio_mmc_direction_t e_direction,
+                 unsigned int i_buf, /*in/out*/ void *p_buf )
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct {
+    UCHAR        auch_sign[4];       // 'CD01'
+    USHORT       us_data_length;     // length of the Data Packet
+    USHORT       us_cmd_length;      // length of the Command Buffer
+    USHORT       us_flags;           // flags
+    BYTE         auc_cmd_buffer[16]; // Command Buffer for SCSI command
+  } s_param = {
+    .auch_sign = {'C', 'D', '0', '1'},
+  };
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+
+  s_param.us_data_length = i_buf;
+  s_param.us_cmd_length = i_cdb;
+  s_param.us_flags =
+    ( e_direction == SCSI_MMC_DATA_READ ) ? EX_DIRECTION_IN : 0;
+
+  memcpy( s_param.auc_cmd_buffer, p_cdb, i_cdb );
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMDISK, CDROMDISK_EXECMD,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          p_buf, i_buf, &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("run_mmc_cmd_os2 : DosDevIOCtl(EXECMD) = 0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  return DRIVER_OP_SUCCESS;
+}
+
+/*!
+  Initialize CD device.
+ */
+static bool
+init_os2 (void *p_user_data)
+{
+  _img_private_t *p_env = p_user_data;
+
+  ULONG   ul_action;
+  ULONG   rc;
+
+  if (p_env->gen.init) {
+    cdio_warn ("init called more than once");
+    return false;
+  }
+
+  /* Initializations */
+  p_env->h_cd = 0;
+
+  rc = DosOpen((PSZ)p_env->gen.source_name, &p_env->h_cd,
+               &ul_action, 0, FILE_NORMAL,
+               OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW,
+               OPEN_ACCESS_READONLY | OPEN_SHARE_DENYNONE | OPEN_FLAGS_DASD,
+               NULL );
+  if( rc )
+  {
+    cdio_warn("init_os2 : DosOpen(%s) = %ld\n", p_env->gen.source_name, rc );
+
+    return false;
+  }
+
+  p_env->uc_drive = toupper( p_env->gen.source_name[ 0 ]) - 'A';
+
+  p_env->gen.init           = true;
+  p_env->gen.toc_init       = false;
+  p_env->gen.b_cdtext_init  = false;
+  p_env->gen.b_cdtext_error = false;
+  p_env->gen.fd             = p_env->h_cd;
+
+  return true;
+}
+
+/*!
+  Release and free resources associated with cd.
+ */
+static void
+free_os2 (void *p_user_data)
+{
+  _img_private_t *p_env = p_user_data;
+
+  if( !p_env )
+    return;
+
+  free (p_env->gen.source_name);
+
+  if( p_env->h_cd )
+    DosClose( p_env->h_cd );
+
+  free (p_env);
+
+}
+
+/*!
+   Reads i_blocks of audio sectors from cd device into p_data starting
+   from i_lsn.
+   Returns DRIVER_OP_SUCCESS if no error.
+ */
+static int
+read_audio_sectors_os2 (void *p_user_data, void *p_buf, lsn_t i_lsn,
+                        unsigned int i_blocks)
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct
+  {
+    UCHAR   auch_sign[ 4 ];
+    BYTE    uc_addr_mode;
+    USHORT  us_sectors;
+    ULONG   ul_start_sector;
+    BYTE    uc_reserved;
+    BYTE    uc_interleaved_size;
+  } s_param = {
+    .auch_sign = {'C', 'D', '0', '1'},
+    .uc_addr_mode = 0,                  /* use LBA format */
+  };
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+
+  s_param.us_sectors = i_blocks;
+  s_param.ul_start_sector = i_lsn;
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMDISK, CDROMDISK_READLONG,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          p_buf, CDIO_CD_FRAMESIZE_RAW * i_blocks, &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("read_audio_sectors_os2 : DosDevIOCtl(READLONG) = 0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  return DRIVER_OP_SUCCESS;
+}
+
+/*!
+   Reads a single raw sector using the DosDevIOCtl method into
+   data starting from lsn. Returns 0 if no error.
+ */
+static int
+read_raw_sector (_img_private_t *p_env, void *p_buf, lsn_t lsn)
+{
+  struct
+  {
+    UCHAR   auch_sign[ 4 ];
+    BYTE    uc_addr_mode;
+    USHORT  us_sectors;
+    ULONG   ul_start_sector;
+    BYTE    uc_reserved;
+    BYTE    uc_interleaved_size;
+  } s_param = {
+    .auch_sign = {'C', 'D', '0', '1'},
+    .uc_addr_mode = 0,                  /* use LBA format */
+    .us_sectors = 1,
+  };
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+
+  s_param.ul_start_sector = lsn;
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMDISK, CDROMDISK_READLONG,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          p_buf, CDIO_CD_FRAMESIZE_RAW, &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("read_raw_sector : DosDevIOCtl(READLONG) = 0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  return DRIVER_OP_SUCCESS;
+}
+
+/*!
+   Reads a single mode1 sector from cd device into data starting from
+   lsn. Returns 0 if no error.
+ */
+static int
+read_mode1_sector_os2 (void *p_user_data, void *p_buf, lsn_t lsn,
+                         bool b_form2)
+{
+  _img_private_t *p_env = p_user_data;
+  char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, };
+  int ret = read_raw_sector (p_env, buf, lsn);
+
+  if ( 0 != ret) return ret;
+
+  memcpy (p_buf,
+          buf + CDIO_CD_SYNC_SIZE+CDIO_CD_HEADER_SIZE,
+          b_form2 ? M2RAW_SECTOR_SIZE: CDIO_CD_FRAMESIZE);
+
+  return 0;
+}
+
+/*!
+   Reads nblocks of mode1 sectors from cd device into data starting
+   from lsn.
+   Returns 0 if no error.
+ */
+static int
+read_mode1_sectors_os2 (void *p_user_data, void *p_buf, lsn_t lsn,
+                        bool b_form2, unsigned int nblocks)
+{
+  _img_private_t *p_env = p_user_data;
+  int i;
+  int retval;
+
+  for (i = 0; i < nblocks; i++) {
+    if (b_form2) {
+      retval = read_mode1_sector_os2 (
+                 p_env, ((char *)p_buf) +
+                 (M2RAW_SECTOR_SIZE * i),
+                 lsn + i, true);
+      if ( retval ) return retval;
+    } else {
+      char buf[M2RAW_SECTOR_SIZE] = { 0, };
+      if ( (retval = read_mode1_sector_os2 (p_env, buf, lsn + i, false)) )
+        return retval;
+
+      memcpy (((char *)p_buf) + (CDIO_CD_FRAMESIZE * i),
+              buf, CDIO_CD_FRAMESIZE);
+    }
+  }
+  return 0;
+}
+
+/*!
+   Reads a single mode2 sector from cd device into data starting
+   from lsn. Returns 0 if no error.
+ */
+static int
+read_mode2_sector_os2 (void *p_user_data, void *data, lsn_t lsn,
+                       bool b_form2)
+{
+  _img_private_t *p_env = p_user_data;
+  char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, };
+  int ret = read_raw_sector (p_env, buf, lsn);
+
+  if ( 0 != ret) return ret;
+
+  memcpy (data,
+          buf + CDIO_CD_SYNC_SIZE + CDIO_CD_XA_HEADER,
+          b_form2 ? M2RAW_SECTOR_SIZE: CDIO_CD_FRAMESIZE);
+
+  return 0;
+}
+
+/*!
+   Reads nblocks of mode2 sectors from cd device into data starting
+   from lsn.
+   Returns 0 if no error.
+ */
+static int
+read_mode2_sectors_os2 (void *p_user_data, void *data, lsn_t lsn,
+                        bool b_form2, unsigned int i_blocks)
+{
+  int i;
+  int retval;
+  unsigned int blocksize = b_form2 ? M2RAW_SECTOR_SIZE : CDIO_CD_FRAMESIZE;
+
+  for (i = 0; i < i_blocks; i++) {
+    if ( (retval = read_mode2_sector_os2 (p_user_data,
+                        ((char *)data) + (blocksize * i),
+                        lsn + i, b_form2)) )
+      return retval;
+  }
+  return 0;
+}
+
+/*!
+   Return the size of the CD in logical block address (LBA) units.
+ */
+static lsn_t
+get_disc_last_lsn_os2 (void *p_user_data)
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct {
+    UCHAR auch_sign[4];
+  } s_param = {{'C', 'D', '0', '1'}};
+
+  ULONG ul_data_volume_size;
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMDISK, CDROMDISK_GETVOLUMESIZE,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          &ul_data_volume_size, sizeof( ul_data_volume_size ), &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("get_disc_last_lsn_os2 : DosDevIOCtl(GETVOLUMESIZE) = 0x%lx\n", 
rc );
+
+    return CDIO_INVALID_LSN;
+  }
+
+  return ul_data_volume_size;
+}
+
+/*!
+  Set the key "arg" to "value" in source device.
+*/
+static int
+set_arg_os2 (void *p_user_data, const char key[], const char value[])
+{
+  _img_private_t *p_env = p_user_data;
+
+  if (!strcmp (key, "source"))
+  {
+    if (!value)
+      return DRIVER_OP_ERROR;
+
+    free (p_env->gen.source_name);
+    p_env->gen.source_name = strdup (value);
+  }
+  else if (!strcmp (key, "access-mode"))
+  {
+    if (!strcmp(value, "OS2"))
+      p_env->access_mode = _AM_OS2;
+    else
+      cdio_warn ("unknown access type: %s. ignored.", value);
+  }
+  else
+    return DRIVER_OP_ERROR;
+
+  return DRIVER_OP_SUCCESS;
+}
+
+/*!
+  Read and cache the CD's Track Table of Contents and track info.
+  Return true if successful or false if an error.
+*/
+static bool
+read_toc_os2 (void *p_user_data)
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct {
+    UCHAR auch_sign[4];
+  } s_param_disk = {{'C', 'D', '0', '1'}};
+
+  struct {
+    BYTE  uc_first_track;
+    BYTE  uc_last_track;
+    ULONG ul_lead_out_addr;         /* in MSF */
+  } s_data_disk;
+
+  struct {
+    UCHAR auch_sign[4];
+    BYTE  uc_track;
+  } s_param_track = {
+    .auch_sign = {'C', 'D', '0', '1'},
+  };
+
+  struct {
+    ULONG ul_track_addr;            /* in MSF */
+    BYTE  uc_control_and_adr;
+  } s_data_track;
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+  int   i_track;
+
+  rc = DosDevIOCtl(
+          p_env->h_cd, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIODISK,
+          &s_param_disk, sizeof( s_param_disk ), &ul_param_len,
+          &s_data_disk, sizeof( s_data_disk ), &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("read_toc_os2 : DosDevIOCtl(GETAUDIODISK) = 0x%lx\n", rc );
+
+    return false;
+  }
+
+  p_env->gen.i_first_track = s_data_disk.uc_first_track;
+  p_env->gen.i_tracks  = s_data_disk.uc_last_track - 
s_data_disk.uc_first_track + 1;
+
+  p_env->i_first_track = s_data_disk.uc_first_track;
+  p_env->i_last_track = s_data_disk.uc_last_track;
+
+  for( i_track = p_env->i_first_track; i_track <= p_env->i_last_track; 
i_track++ )
+  {
+    s_param_track.uc_track = i_track;
+
+    rc = DosDevIOCtl(
+            p_env->h_cd, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIOTRACK,
+            &s_param_track, sizeof( s_param_track ), &ul_param_len,
+            &s_data_track, sizeof( s_data_track ), &ul_data_len );
+
+    if( rc )
+    {
+      cdio_warn("read_toc_os2 : DosDevIOCtl(GETAUDIOTRACK) = 0x%lx\n", rc );
+
+      return false;
+    }
+
+    p_env->toc[i_track].lsn_start =
+      cdio_lba_to_lsn( cdio_msf3_to_lba(
+        ( s_data_track.ul_track_addr >> 16 ) & 0xFF,
+        ( s_data_track.ul_track_addr >>  8 ) & 0xFF,
+          s_data_track.ul_track_addr         & 0xFF ));
+
+    p_env->toc[i_track].uc_adr     =   s_data_track.uc_control_and_adr        
& 0x0F;
+    p_env->toc[i_track].uc_control = ( s_data_track.uc_control_and_adr >> 4 ) 
& 0x0F;
+
+    p_env->gen.track_flags[i_track].preemphasis =
+      p_env->toc[i_track].uc_control & 0x01
+      ? CDIO_TRACK_FLAG_TRUE : CDIO_TRACK_FLAG_FALSE;
+
+    p_env->gen.track_flags[i_track].copy_permit =
+      p_env->toc[i_track].uc_control & 0x02
+      ? CDIO_TRACK_FLAG_TRUE : CDIO_TRACK_FLAG_FALSE;
+
+    p_env->gen.track_flags[i_track].channels =
+      p_env->toc[i_track].uc_control & 0x08 ? 4 : 2;
+  }
+
+  /* store lead out info */
+  p_env->toc[p_env->i_last_track + 1].lsn_start =
+    cdio_lba_to_lsn( cdio_msf3_to_lba(
+      ( s_data_disk.ul_lead_out_addr >> 16 ) & 0xFF,
+      ( s_data_disk.ul_lead_out_addr >>  8 ) & 0xFF,
+        s_data_disk.ul_lead_out_addr         & 0xFF ));
+
+  p_env->gen.toc_init = true;
+
+  return true;
+}
+
+/*!
+  Eject media.
+ */
+static driver_return_code_t
+eject_media_os2 (void *p_user_data)
+{
+  _img_private_t *p_env = p_user_data;
+
+  struct {
+    BYTE uc_cmd_info;
+    BYTE uc_drive;
+  } s_param;
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+
+  s_param.uc_cmd_info = 2;
+  s_param.uc_drive    = p_env->uc_drive;
+
+  rc = DosDevIOCtl(
+             ( HFILE )-1, IOCTL_DISK, DSK_UNLOCKEJECTMEDIA,
+             &s_param, sizeof( s_param ), &ul_param_len,
+             NULL, 0, &ul_data_len );
+
+  if( rc )
+  {
+    cdio_warn("eject_media_os2 : DosDevIOCtl(UNLOCKEJECTMEDIA) = 0x%lx\n", rc 
);
+
+    return DRIVER_OP_ERROR;
+  }
+
+  return DRIVER_OP_SUCCESS;
+}
+
+/*!
+  Return the value associated with the key "arg".
+*/
+static const char *
+get_arg_os2 (void *p_user_data, const char key[])
+{
+  _img_private_t *p_env = p_user_data;
+
+  if (!strcmp (key, "source")) {
+    return p_env->gen.source_name;
+  } else if (!strcmp (key, "access-mode")) {
+    switch (p_env->access_mode) {
+      case _AM_OS2:
+        return "OS2";
+      case _AM_NONE:
+        return "no access method";
+    }
+  }
+  return NULL;
+}
+
+/*!
+  Return the media catalog number MCN.
+
+  Note: string is malloc'd so caller should free() then returned
+  string when done with it.
+
+ */
+static char *
+_cdio_get_mcn (const void *p_user_data) {
+  const _img_private_t *p_env = p_user_data;
+  return mmc_get_mcn( p_env->gen.cdio );
+}
+
+/*!
+  Get the format (XA, DATA, AUDIO) of a track.
+*/
+static track_format_t
+get_track_format_os2(const _img_private_t *p_env, track_t i_track)
+{
+  /* This is pretty much copied from the "badly broken" cdrom_count_tracks
+     in linux/cdrom.c.
+  */
+
+  if (p_env->toc[i_track].uc_control & 0x04) {
+    if (p_env->toc[i_track].uc_adr == 0x10)
+      return TRACK_FORMAT_CDI;
+    else if (p_env->toc[i_track].uc_adr == 0x20)
+      return TRACK_FORMAT_XA;
+    else
+      return TRACK_FORMAT_DATA;
+  } else
+    return TRACK_FORMAT_AUDIO;
+}
+
+/*!
+  Get format of track.
+*/
+static track_format_t
+_cdio_get_track_format(void *p_obj, track_t i_track)
+{
+  _img_private_t *p_env = p_obj;
+
+  if ( !p_env )
+    return TRACK_FORMAT_ERROR;
+
+  if (!p_env->gen.toc_init)
+    if (!read_toc_os2 (p_env))
+      return TRACK_FORMAT_ERROR;
+
+  if ( i_track < p_env->gen.i_first_track
+       || i_track >= p_env->gen.i_tracks + p_env->gen.i_first_track )
+    return TRACK_FORMAT_ERROR;
+
+  return get_track_format_os2(p_env, i_track);
+}
+
+/*!
+  Return true if we have XA data (green, mode2 form1) or
+  XA data (green, mode2 form2). That is track begins:
+  sync - header - subheader
+  12     4      -  8
+
+  FIXME: there's gotta be a better design for this and get_track_format?
+*/
+static bool
+_cdio_get_track_green(void *p_obj, track_t i_track)
+{
+  _img_private_t *p_env = p_obj;
+
+  switch (_cdio_get_track_format(p_env, i_track)) {
+    case TRACK_FORMAT_XA:
+      return true;
+    case TRACK_FORMAT_ERROR:
+    case TRACK_FORMAT_CDI:
+    case TRACK_FORMAT_AUDIO:
+      return false;
+    case TRACK_FORMAT_DATA:
+    default:
+      break;
+  }
+
+  /* FIXME: Dunno if this is the right way, but it's what
+     I was using in cd-info for a while.
+   */
+  return ((p_env->toc[i_track].uc_control & 2) != 0);
+}
+
+/*!
+  Return the starting MSF (minutes/secs/frames) for track number
+  i_tracks in obj.  Track numbers start at 1.
+  The "leadout" track is specified either by
+  using i_tracks LEADOUT_TRACK or the total tracks+1.
+  False is returned if there is no track entry.
+*/
+static bool
+_cdio_get_track_msf(void *p_user_data, track_t i_tracks, msf_t *p_msf)
+{
+  _img_private_t *p_env = p_user_data;
+
+  if (!p_msf)
+    return false;
+
+  if (!p_env->gen.toc_init)
+    if (!read_toc_os2 (p_env))
+      return false;
+
+  if (i_tracks == CDIO_CDROM_LEADOUT_TRACK)
+    i_tracks = p_env->gen.i_tracks+1;
+
+  if (i_tracks > p_env->gen.i_tracks+1 || i_tracks == 0) {
+    return false;
+  } else {
+    cdio_lsn_to_msf(p_env->toc[i_tracks].lsn_start, p_msf);
+    return true;
+  }
+}
+
+#endif /* HAVE_OS2_CDROM */
+
+/*!
+  Return an array of strings giving possible CD devices.
+ */
+char **
+cdio_get_devices_os2 (void)
+{
+#ifndef HAVE_OS2_CDROM
+  return NULL;
+#else
+  char **drives = NULL;
+  unsigned int num_drives=0;
+
+  struct {
+    BYTE uc_cmd_info;
+    BYTE uc_drive;
+  } s_param;
+
+  struct {
+    struct {
+      USHORT  us_bytes_per_sector;
+      BYTE    uc_sectors_per_cluster;
+      USHORT  us_reserved_sectors;
+      BYTE    uc_number_of_fats;
+      USHORT  us_root_dir_entries;
+      USHORT  us_total_sectors;
+      BYTE    uc_media_descriptor;
+      USHORT  us_sectors_per_fat;
+      USHORT  us_sectors_per_track;
+      USHORT  us_number_of_heads;
+      ULONG   ul_hidden_sectors;
+      ULONG   ul_large_total_sectors;
+      BYTE    auc_reserved[6];
+    } s_ebpb;
+
+    USHORT  us_cylinders;
+    BYTE    uc_dev_type;
+    USHORT  us_dev_attr;
+  } s_data;
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  UCHAR uc_drive;
+  char  sz_drive_str[ 3 ] = "X:";
+  ULONG rc;
+
+  /* Scan the system for CD-ROM drives.
+  */
+
+  for( uc_drive = 0; uc_drive < 26; uc_drive++ )
+  {
+    s_param.uc_cmd_info = 0;
+    s_param.uc_drive = uc_drive;
+
+    rc = DosDevIOCtl(
+          ( HFILE )-1, IOCTL_DISK, DSK_GETDEVICEPARAMS,
+          &s_param, sizeof( s_param ), &ul_param_len,
+          &s_data, sizeof( s_data ), &ul_data_len );
+
+    if( rc )
+      continue;
+
+    switch( s_data.s_ebpb.uc_media_descriptor )
+    {
+      case       4  :   /* CD-R                          */
+      case 128 + 4  :   /* CD-R    but cannot be written */
+      case       5  :   /* CD-ROM                        */
+      case 128 + 5  :   /* CD-ROM  but cannot be written */
+      case       6  :   /* DVD-ROM                       */
+      case 128 + 6  :   /* DVD-ROM but cannot be written */
+      case       7  :   /* DVD-RAM                       */
+      case 128 + 7  :   /* DVD-RAM but cannot be written */
+      case       8  :   /* CD-RW                         */
+      case 128 + 8  :   /* CD-RW   but cannot be written */
+      case       9  :   /* DVD-R                         */
+      case 128 + 9  :   /* DVD-R   but cannot be written */
+      case       10 :   /* DVD-RW                        */
+      case 128 + 10 :   /* DVD-RW  but cannot be written */
+      case       11 :   /* DVD+RW                        */
+      case 128 + 11 :   /* DVD+RW  but cannot be written */
+        sz_drive_str[0] = 'A' + uc_drive;
+        cdio_add_device_list(&drives, strdup(sz_drive_str), &num_drives);
+        break;
+    }
+  }
+
+  cdio_add_device_list(&drives, NULL, &num_drives);
+  return drives;
+#endif /*HAVE_OS2_CDROM*/
+}
+
+#define IOCTL_CDROMDISK2        0x82
+
+#define CDROMDISK2_DRIVELETTERS 0x60
+
+/*!
+  Return a string containing the default CD device if none is specified.
+  if CdIo is NULL (we haven't initialized a specific device driver),
+  then find a suitable one and return the default device for that.
+
+  NULL is returned if we couldn't get a default device.
+*/
+char *
+cdio_get_default_device_os2(void)
+{
+#ifdef HAVE_OS2_CDROM
+  struct {
+    USHORT us_drive_count;
+    USHORT us_drive_first;
+  } s_drive_letters;
+
+  HFILE h_cd2;
+  ULONG ul_action;
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  char  sz_drive_str[ 3 ] = "X:";
+  ULONG rc;
+
+  rc = DosOpen((PSZ)"CD-ROM2$", &h_cd2, &ul_action, 0, FILE_NORMAL,
+               OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW,
+               OPEN_ACCESS_READONLY | OPEN_SHARE_DENYNONE,
+               NULL );
+
+  if( rc )
+  {
+    cdio_warn("cdio_get_default_device_os2 : DosOpen(CD-ROM2$) = %ld\n", rc );
+
+    return NULL;
+  }
+
+  rc = DosDevIOCtl(
+          h_cd2, IOCTL_CDROMDISK2, CDROMDISK2_DRIVELETTERS,
+          NULL, 0, &ul_param_len,
+          &s_drive_letters, sizeof( s_drive_letters ), &ul_data_len );
+
+  DosClose( h_cd2 );
+
+  if( rc )
+  {
+    cdio_warn("cdio_get_default_device_os2 : DosDevIOCtl(DRIVELETTERS) = 
0x%lx\n", rc );
+
+    return NULL;
+  }
+
+  if( s_drive_letters.us_drive_count == 0 )
+    return NULL;
+
+  sz_drive_str[0] = 'A' + s_drive_letters.us_drive_first;
+
+  return strdup( sz_drive_str );
+#else
+  return NULL;
+#endif
+}
+
+/*!
+  Return true if source_name could be a device containing a CD-ROM.
+*/
+bool
+cdio_is_device_os2(const char *source_name)
+{
+  if (!source_name)
+    return false;
+
+#ifdef HAVE_OS2_CDROM
+  return (isalpha(source_name[0]) &&
+          source_name[1] == ':' &&
+          source_name[2] == '\0');
+#else
+  return false;
+#endif
+}
+
+/*!
+  Close tray on CD-ROM.
+
+  @param p_user_data the CD object to be acted upon.
+
+*/
+driver_return_code_t
+close_tray_os2 (const char *psz_os2_drive)
+{
+#ifdef HAVE_OS2_CDROM
+  struct {
+    BYTE uc_cmd_info;
+    BYTE uc_drive;
+  } s_param;
+
+  ULONG ul_param_len;
+  ULONG ul_data_len;
+  ULONG rc;
+
+  s_param.uc_cmd_info = 3;
+  s_param.uc_drive    = toupper(psz_os2_drive[0]) - 'A';
+
+  rc = DosDevIOCtl(
+             ( HFILE )-1, IOCTL_DISK, DSK_UNLOCKEJECTMEDIA,
+             &s_param, sizeof( s_param ), &ul_param_len,
+             NULL, 0, &ul_data_len );
+
+  if( rc && rc != 99 /* device in use */ )
+  {
+    cdio_warn("close_tray_os2 : DosDevIOCtl(UNLOCKEJECTMEDIA) = 0x%lx\n", rc );
+
+    return DRIVER_OP_ERROR;
+  }
+
+  return DRIVER_OP_SUCCESS;
+#else
+  return DRIVER_OP_UNSUPPORTED;
+#endif /* HAVE_OS2_CDROM */
+}
+
+/*!
+  Initialization routine. This is the only thing that doesn't
+  get called via a function pointer. In fact *we* are the
+  ones to set that up.
+ */
+CdIo_t *
+cdio_open_os2 (const char *psz_orig_source)
+{
+
+#ifdef HAVE_OS2_CDROM
+  CdIo_t *ret;
+  _img_private_t *_data;
+  char *psz_source;
+
+  cdio_funcs_t _funcs;
+
+  memset( &_funcs, 0, sizeof(_funcs) );
+
+  _funcs.audio_get_volume       = audio_get_volume_os2;
+  _funcs.audio_pause            = audio_pause_os2;
+  _funcs.audio_play_msf         = audio_play_msf_os2;
+#if 0
+  _funcs.audio_play_track_index = audio_play_track_index_os2;
+#endif
+  _funcs.audio_read_subchannel  = audio_read_subchannel_os2;
+  _funcs.audio_resume           = audio_resume_os2;
+  _funcs.audio_set_volume       = audio_set_volume_os2;
+  _funcs.audio_stop             = audio_stop_os2;
+  _funcs.eject_media            = eject_media_os2;
+  _funcs.free                   = free_os2;
+  _funcs.get_arg                = get_arg_os2;
+#if 0
+  _funcs.get_blocksize          = get_blocksize_os2;
+#endif
+  _funcs.get_cdtext             = get_cdtext_generic;
+  _funcs.get_default_device     = cdio_get_default_device_os2;
+  _funcs.get_devices            = cdio_get_devices_os2;
+  _funcs.get_disc_last_lsn      = get_disc_last_lsn_os2;
+  _funcs.get_discmode           = get_discmode_os2;
+  _funcs.get_drive_cap          = get_drive_cap_mmc;
+  _funcs.get_first_track_num    = get_first_track_num_generic;
+  _funcs.get_hwinfo             = NULL;
+#if 0
+  _funcs.get_last_session       = get_last_session_os2;
+#endif
+  _funcs.get_media_changed      = get_media_changed_mmc;
+  _funcs.get_mcn                = _cdio_get_mcn;
+  _funcs.get_num_tracks         = get_num_tracks_generic;
+  _funcs.get_track_channels     = get_track_channels_generic;
+  _funcs.get_track_copy_permit  = get_track_copy_permit_generic;
+  _funcs.get_track_format       = _cdio_get_track_format;
+  _funcs.get_track_green        = _cdio_get_track_green;
+  _funcs.get_track_lba          = NULL; /* This could be done if need be. */
+#if 0
+  _funcs.get_track_pregap_lba   = get_track_pregap_lba_os2;
+  _funcs.get_track_isrc         = get_track_isrc_os2;
+#endif
+  _funcs.get_track_msf          = _cdio_get_track_msf;
+  _funcs.get_track_preemphasis  = get_track_preemphasis_generic;
+  _funcs.lseek                  = cdio_generic_lseek;
+  _funcs.read                   = cdio_generic_read;
+  _funcs.read_audio_sectors     = read_audio_sectors_os2;
+  _funcs.read_data_sectors      = read_data_sectors_mmc;
+  _funcs.read_mode1_sector      = read_mode1_sector_os2;
+  _funcs.read_mode1_sectors     = read_mode1_sectors_os2;
+  _funcs.read_mode2_sector      = read_mode2_sector_os2;
+  _funcs.read_mode2_sectors     = read_mode2_sectors_os2;
+  _funcs.read_toc               = read_toc_os2;
+  _funcs.run_mmc_cmd            = run_mmc_cmd_os2;
+  _funcs.set_arg                = set_arg_os2;
+  _funcs.set_blocksize          = set_blocksize_mmc;
+  _funcs.set_speed              = set_drive_speed_mmc;
+
+  _data                 = calloc(1, sizeof (_img_private_t));
+  _data->access_mode    = _AM_OS2;
+  _data->gen.init       = false;
+  _data->gen.fd         = -1;
+
+  if (NULL == psz_orig_source) {
+    psz_source=cdio_get_default_device_os2();
+    if (NULL == psz_source) return NULL;
+    set_arg_os2(_data, "source", psz_source);
+    free(psz_source);
+  } else {
+    if (cdio_is_device_os2(psz_orig_source))
+      set_arg_os2(_data, "source", psz_orig_source);
+    else {
+      /* The below would be okay if all device drivers worked this way. */
+#if 0
+      cdio_info ("source %s is a not a device", psz_orig_source);
+#endif
+      free(_data);
+      return NULL;
+    }
+  }
+
+  ret = cdio_new ((void *)_data, &_funcs);
+  if (ret == NULL) return NULL;
+
+  ret->driver_id = DRIVER_OS2;
+
+  if (init_os2(_data))
+    return ret;
+  else {
+    free_os2 (_data);
+    return NULL;
+  }
+#else
+  return NULL;
+#endif /* HAVE_OS2_CDROM */
+
+}
+
+/*!
+  Initialization routine. This is the only thing that doesn't
+  get called via a function pointer. In fact *we* are the
+  ones to set that up.
+ */
+CdIo_t *
+cdio_open_am_os2 (const char *psz_source_name, const char *psz_access_mode)
+{
+
+  if (psz_access_mode != NULL)
+    cdio_warn ("there is only one access mode for OS/2. Arg %s ignored",
+               psz_access_mode);
+  return cdio_open_os2(psz_source_name);
+}
+
+bool
+cdio_have_os2 (void)
+{
+#ifdef HAVE_OS2_CDROM
+  return true;
+#else
+  return false;
+#endif /* HAVE_OS2_CDROM */
+}
+
+
diff -buNr src/util.c.org src/util.c
--- src/util.c.org      2008-04-15 10:22:12.000000000 +0900
+++ src/util.c  2009-01-09 01:59:12.000000000 +0900
@@ -160,7 +160,7 @@
 char *
 fillout_device_name(const char *device_name) 
 {
-#if defined(HAVE_WIN32_CDROM)
+#if defined(HAVE_WIN32_CDROM) || defined(HAVE_OS2_CDROM)
   return strdup(device_name);
 #else
   unsigned int prefix_len = strlen(DEV_PREFIX);

reply via email to

[Prev in Thread] Current Thread [Next in Thread]