1/*	$NetBSD: linux_cdrom.h,v 1.7 2005/12/11 12:20:19 christos Exp $	*/
2
3/*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Eric Haszlakiewicz.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _LINUX_CDROM_H
33#define _LINUX_CDROM_H
34
35#include <machine/endian.h>
36
37#define LINUX_CDROMPAUSE	0x5301
38#define LINUX_CDROMRESUME	0x5302
39#define LINUX_CDROMPLAYMSF	0x5303	/* (struct linux_cdrom_msf) */
40#define LINUX_CDROMPLAYTRKIND	0x5304	/* (struct linux_cdrom_ti) */
41#define LINUX_CDROMREADTOCHDR	0x5305	/* (struct linux_cdrom_tochdr) */
42#define LINUX_CDROMREADTOCENTRY	0x5306	/* (struct linux_cdrom_tocentry) */
43#define LINUX_CDROMSTOP		0x5307
44#define LINUX_CDROMSTART	0x5308
45#define LINUX_CDROMEJECT	0x5309
46#define LINUX_CDROMVOLCTRL	0x530a	/* (struct linux_cdrom_volctrl) */
47#define LINUX_CDROMSUBCHNL	0x530b	/* (struct linux_cdrom_subchnl) */
48#define LINUX_CDROMEJECT_SW	0x530f	/* arg: 0 or 1 */
49#define LINUX_CDROMMULTISESSION	0x5310	/* (struct linux_cdrom_multisession) */
50#define LINUX_CDROMRESET	0x5312
51#define LINUX_CDROMVOLREAD	0x5313	/* (struct linux_cdrom_volctrl) */
52#define LINUX_CDROMPLAYBLK	0x5317	/* (struct linux_cdrom_blk) */
53#define LINUX_CDROMCLOSETRAY	0x5319	/* */
54#define LINUX_CDROM_SET_OPTIONS	0x5320	/* int */
55#define LINUX_CDROM_CLEAR_OPTIONS	0x5321	/* int */
56#define LINUX_CDROM_SELECT_SPEED	0x5322
57#define LINUX_CDROM_SELECT_DISC		0x5323
58#define LINUX_CDROM_MEDIA_CHANGED	0x5325
59#define LINUX_CDROM_DRIVE_STATUS	0x5326
60#define LINUX_CDROM_DISC_STATUS		0x5327
61#define LINUX_CDROM_CHANGER_NSLOTS	0x5328
62#define LINUX_CDROM_LOCKDOOR		0x5329
63#define LINUX_CDROM_DEBUG		0x5330
64#define LINUX_CDROM_GET_CAPABILITY	0x5331
65
66/* DVD-ROM Specific ioctls */
67#define	LINUX_DVD_READ_STRUCT	0x5390	/* Read structure */
68#define	LINUX_DVD_WRITE_STRUCT	0x5391	/* Write structure */
69#define	LINUX_DVD_AUTH		0x5392	/* Authentication */
70
71struct linux_cdrom_blk {
72	unsigned from;
73	unsigned short len;
74};
75
76struct linux_cdrom_msf {
77	u_char	cdmsf_min0;	/* start minute */
78	u_char	cdmsf_sec0;	/* start second */
79	u_char	cdmsf_frame0;	/* start frame */
80	u_char	cdmsf_min1;	/* end minute */
81	u_char	cdmsf_sec1;	/* end second */
82	u_char	cdmsf_frame1;	/* end frame */
83};
84
85struct linux_cdrom_ti {
86	u_char	cdti_trk0;	/* start track */
87	u_char	cdti_ind0;	/* start index */
88	u_char	cdti_trk1;	/* end track */
89	u_char	cdti_ind1;	/* end index */
90};
91
92struct linux_cdrom_tochdr {
93	u_char	cdth_trk0;	/* start track */
94	u_char	cdth_trk1;	/* end track */
95};
96
97struct linux_cdrom_msf0 {
98	u_char	minute;
99	u_char	second;
100	u_char	frame;
101};
102
103union linux_cdrom_addr {
104	struct	linux_cdrom_msf0 msf;
105	int	lba;
106};
107
108struct linux_cdrom_tocentry {
109	u_char	cdte_track;
110	u_char	cdte_adr	:4;
111	u_char	cdte_ctrl	:4;
112	u_char	cdte_format;
113	union	linux_cdrom_addr cdte_addr;
114	u_char	cdte_datamode;
115};
116
117struct linux_cdrom_subchnl {
118	u_char	cdsc_format;
119	u_char	cdsc_audiostatus;
120	u_char	cdsc_adr:	4;
121	u_char	cdsc_ctrl:	4;
122	u_char	cdsc_trk;
123	u_char	cdsc_ind;
124	union	linux_cdrom_addr cdsc_absaddr;
125	union	linux_cdrom_addr cdsc_reladdr;
126};
127
128struct linux_cdrom_volctrl {
129	u_char	channel0;
130	u_char	channel1;
131	u_char	channel2;
132	u_char	channel3;
133};
134
135struct linux_cdrom_multisession {
136	union linux_cdrom_addr addr;
137	u_char xa_flag;
138	u_char addr_format;
139};
140
141struct linux_cdrom_mechstat_header {
142#if BYTE_ORDER == BIG_ENDIAN
143	u_int8_t fault		: 1;
144	u_int8_t changer_state	: 2;
145	u_int8_t curslot	: 5;
146	u_int8_t mech_state	: 3;
147	u_int8_t door_open	: 1;
148	u_int8_t reserved1	: 4;
149#elif BYTE_ORDER == LITTLE_ENDIAN
150	u_int8_t curslot	: 5;
151	u_int8_t changer_state	: 2;
152	u_int8_t fault		: 1;
153	u_int8_t reserved1	: 4;
154	u_int8_t door_open	: 1;
155	u_int8_t mech_state	: 3;
156#endif
157	u_int8_t curlba[3];
158	u_int8_t nslots;
159	u_int16_t slot_tablelen;
160};
161
162struct linux_cdrom_slot {
163#if BYTE_ORDER == BIG_ENDIAN
164	u_int8_t disc_present	: 1;
165	u_int8_t reserved1	: 6;
166	u_int8_t change		: 1;
167#elif BYTE_ORDER == LITTLE_ENDIAN
168	u_int8_t change		: 1;
169	u_int8_t reserved1	: 6;
170	u_int8_t disc_present	: 1;
171#endif
172	u_int8_t reserved2[3];
173};
174
175#define LINUX_CDROM_MAX_SLOTS   256
176
177struct linux_cdrom_changer_info {
178	struct linux_cdrom_mechstat_header hdr;
179	struct linux_cdrom_slot slots[LINUX_CDROM_MAX_SLOTS];
180};
181
182#endif /* !_LINUX_CDROM_H */
183