/*

    Copyright (C) 2004, 2010 Rocky Bernstein <rocky@gnu.org>

    Modeled after GNU/Linux definitions in linux/cdrom.h

    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/>.

*/

/**

   \file dvd.h 

   \brief Definitions for DVD access.

   The documents we make use of are described Multi-Media Commands

   (MMC). This document generally has a numeric level number

   appended. For example MMC-5 refers to ``Multi-Media Commands - 5'

   which is the current version in 2010.

*/

#ifndef CDIO_DVD_H_

#define CDIO_DVD_H_

#include <cdio/types.h>

/**

   Values used in a READ DVD STRUCTURE

 */

typedef enum cdio_dvd_structure

{

	CDIO_DVD_STRUCT_PHYSICAL	= 0x00,

	CDIO_DVD_STRUCT_COPYRIGHT	= 0x01,

	CDIO_DVD_STRUCT_DISCKEY	        = 0x02,

	CDIO_DVD_STRUCT_BCA		= 0x03,

	CDIO_DVD_STRUCT_MANUFACT	= 0x04

} cdio_dvd_structure;

/**

    Media definitions for "DVD Book" from MMC-5 Table 400, page 419.

*/

typedef enum cdio_dvd_book

{

	CDIO_DVD_BOOK_DVD_ROM    = 0x0, /**< DVD-ROM */

	CDIO_DVD_BOOK_DVD_RAM    = 0x1, /**< DVD-RAM */

	CDIO_DVD_BOOK_DVD_R      = 0x2, /**< DVD-R */

	CDIO_DVD_BOOK_DVD_RW     = 0x3, /**< DVD-RW */

	CDIO_DVD_BOOK_HD_DVD_ROM = 0x4, /**< HD DVD-ROM */

	CDIO_DVD_BOOK_HD_DVD_RAM = 0x5, /**< HD DVD-RAM */

	CDIO_DVD_BOOK_HD_DVD_R   = 0x6, /**< HD DVD-R */

	CDIO_DVD_BOOK_DVD_PRW    = 0x9, /**< DVD+RW */

	CDIO_DVD_BOOK_DVD_PR     = 0xa, /**< DVD+R  */

	CDIO_DVD_BOOK_DVD_PRW_DL = 0xd, /**< DVD+RW DL  */

	CDIO_DVD_BOOK_DVD_PR_DL  = 0xe  /**< DVD+R DL  */

} cdio_dvd_book;

typedef struct cdio_dvd_layer {

  unsigned int book_version	: 4;

  unsigned int book_type	: 4;

  unsigned int min_rate	        : 4;

  unsigned int disc_size	: 4;

  unsigned int layer_type	: 4;

  unsigned int track_path	: 1;

  unsigned int nlayers	        : 2;

  unsigned int track_density	: 4;

  unsigned int linear_density   : 4;

  unsigned int bca		: 1;

  uint32_t start_sector;

  uint32_t end_sector;

  uint32_t end_sector_l0;

} cdio_dvd_layer_t;

/**

    Maximum number of layers in a DVD.  

 */

#define CDIO_DVD_MAX_LAYERS	4

typedef struct cdio_dvd_physical {

  uint8_t type;

  uint8_t layer_num;

  cdio_dvd_layer_t layer[CDIO_DVD_MAX_LAYERS];

} cdio_dvd_physical_t;

typedef struct cdio_dvd_copyright {

  uint8_t type;

  uint8_t layer_num;

  uint8_t cpst;

  uint8_t rmi;

} cdio_dvd_copyright_t;

typedef struct cdio_dvd_disckey {

  uint8_t type;

  unsigned agid	: 2;

  uint8_t value[2048];

} cdio_dvd_disckey_t;

typedef struct cdio_dvd_bca {

  uint8_t type;

  int len;

  uint8_t value[188];

} cdio_dvd_bca_t;

typedef struct cdio_dvd_manufact {

  uint8_t type;

  uint8_t layer_num;

  int len;

  uint8_t value[2048];

} cdio_dvd_manufact_t;

typedef union {

  uint8_t type;

  cdio_dvd_physical_t	physical;

  cdio_dvd_copyright_t	copyright;

  cdio_dvd_disckey_t	disckey;

  cdio_dvd_bca_t	bca;

  cdio_dvd_manufact_t	manufact;

} cdio_dvd_struct_t;

#endif /* CDIO_DVD_H_ */