/* $NetBSD: linux_cdrom.h,v 1.8 2008/04/28 20:23:43 martin Exp $ */

/* $NetBSD: linux_cdrom.h,v 1.8 2008/04/28 20:23:43 martin Exp $ */

/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Eric Haszlakiewicz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _LINUX_CDROM_H
#define _LINUX_CDROM_H

#include <machine/endian.h>

#define LINUX_CDROMPAUSE 0x5301
#define LINUX_CDROMRESUME 0x5302
#define LINUX_CDROMPLAYMSF 0x5303 /* (struct linux_cdrom_msf) */
#define LINUX_CDROMPLAYTRKIND 0x5304 /* (struct linux_cdrom_ti) */
#define LINUX_CDROMREADTOCHDR 0x5305 /* (struct linux_cdrom_tochdr) */
#define LINUX_CDROMREADTOCENTRY 0x5306 /* (struct linux_cdrom_tocentry) */
#define LINUX_CDROMSTOP 0x5307
#define LINUX_CDROMSTART 0x5308
#define LINUX_CDROMEJECT 0x5309
#define LINUX_CDROMVOLCTRL 0x530a /* (struct linux_cdrom_volctrl) */
#define LINUX_CDROMSUBCHNL 0x530b /* (struct linux_cdrom_subchnl) */
#define LINUX_CDROMEJECT_SW 0x530f /* arg: 0 or 1 */
#define LINUX_CDROMMULTISESSION 0x5310 /* (struct linux_cdrom_multisession) */
#define LINUX_CDROMRESET 0x5312
#define LINUX_CDROMVOLREAD 0x5313 /* (struct linux_cdrom_volctrl) */
#define LINUX_CDROMPLAYBLK 0x5317 /* (struct linux_cdrom_blk) */
#define LINUX_CDROMCLOSETRAY 0x5319 /* */
#define LINUX_CDROM_SET_OPTIONS 0x5320 /* int */
#define LINUX_CDROM_CLEAR_OPTIONS 0x5321 /* int */
#define LINUX_CDROM_SELECT_SPEED 0x5322
#define LINUX_CDROM_SELECT_DISC 0x5323
#define LINUX_CDROM_MEDIA_CHANGED 0x5325
#define LINUX_CDROM_DRIVE_STATUS 0x5326
#define LINUX_CDROM_DISC_STATUS 0x5327
#define LINUX_CDROM_CHANGER_NSLOTS 0x5328
#define LINUX_CDROM_LOCKDOOR 0x5329
#define LINUX_CDROM_DEBUG 0x5330
#define LINUX_CDROM_GET_CAPABILITY 0x5331

/* DVD-ROM Specific ioctls */
#define LINUX_DVD_READ_STRUCT 0x5390 /* Read structure */
#define LINUX_DVD_WRITE_STRUCT 0x5391 /* Write structure */
#define LINUX_DVD_AUTH 0x5392 /* Authentication */

struct linux_cdrom_blk {
unsigned from;
unsigned short len;
};

struct linux_cdrom_msf {
u_char cdmsf_min0; /* start minute */
u_char cdmsf_sec0; /* start second */
u_char cdmsf_frame0; /* start frame */
u_char cdmsf_min1; /* end minute */
u_char cdmsf_sec1; /* end second */
u_char cdmsf_frame1; /* end frame */
};

struct linux_cdrom_ti {
u_char cdti_trk0; /* start track */
u_char cdti_ind0; /* start index */
u_char cdti_trk1; /* end track */
u_char cdti_ind1; /* end index */
};

struct linux_cdrom_tochdr {
u_char cdth_trk0; /* start track */
u_char cdth_trk1; /* end track */
};

struct linux_cdrom_msf0 {
u_char minute;
u_char second;
u_char frame;
};

union linux_cdrom_addr {
struct linux_cdrom_msf0 msf;
int lba;
};

struct linux_cdrom_tocentry {
u_char cdte_track;
u_char cdte_adr :4;
u_char cdte_ctrl :4;
u_char cdte_format;
union linux_cdrom_addr cdte_addr;
u_char cdte_datamode;
};

struct linux_cdrom_subchnl {
u_char cdsc_format;
u_char cdsc_audiostatus;
u_char cdsc_adr: 4;
u_char cdsc_ctrl: 4;
u_char cdsc_trk;
u_char cdsc_ind;
union linux_cdrom_addr cdsc_absaddr;
union linux_cdrom_addr cdsc_reladdr;
};

struct linux_cdrom_volctrl {
u_char channel0;
u_char channel1;
u_char channel2;
u_char channel3;
};

struct linux_cdrom_multisession {
union linux_cdrom_addr addr;
u_char xa_flag;
u_char addr_format;
};

struct linux_cdrom_mechstat_header {
#if BYTE_ORDER == BIG_ENDIAN
u_int8_t fault : 1;
u_int8_t changer_state : 2;
u_int8_t curslot : 5;
u_int8_t mech_state : 3;
u_int8_t door_open : 1;
u_int8_t reserved1 : 4;
#elif BYTE_ORDER == LITTLE_ENDIAN
u_int8_t curslot : 5;
u_int8_t changer_state : 2;
u_int8_t fault : 1;
u_int8_t reserved1 : 4;
u_int8_t door_open : 1;
u_int8_t mech_state : 3;
#endif
u_int8_t curlba[3];
u_int8_t nslots;
u_int16_t slot_tablelen;
};

struct linux_cdrom_slot {
#if BYTE_ORDER == BIG_ENDIAN
u_int8_t disc_present : 1;
u_int8_t reserved1 : 6;
u_int8_t change : 1;
#elif BYTE_ORDER == LITTLE_ENDIAN
u_int8_t change : 1;
u_int8_t reserved1 : 6;
u_int8_t disc_present : 1;
#endif
u_int8_t reserved2[3];
};

#define LINUX_CDROM_MAX_SLOTS 256

struct linux_cdrom_changer_info {
struct linux_cdrom_mechstat_header hdr;
struct linux_cdrom_slot slots[LINUX_CDROM_MAX_SLOTS];
};

#endif /* !_LINUX_CDROM_H */