1/* $OpenBSD: extern.h,v 1.17 2021/11/28 19:28:42 deraadt Exp $ */
2/*
3 * Copyright (c) 2002 Marc Espie.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
15 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OPENBSD
18 * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/queue.h>
28
29#define cdio_isset(a,i)      ((a)[(i)>>3] & (1<<((i)&(NBBY-1))))
30#define cdio_setbit(a,i)     ((a)[(i)>>3] |= 1<<((i)&(NBBY-1)))
31
32struct cd_toc_entry;
33struct track_info {
34	off_t sz;
35	off_t off;
36	u_int blklen;
37	int   fd;
38	char *file;
39	SLIST_ENTRY(track_info) track_list;
40	char type;
41	int   speed;
42};
43SLIST_HEAD(track_head, track_info);
44extern struct track_head tracks;
45
46/* Read/Write speed */
47#define DRIVE_SPEED_MAX		0xfffe
48#define DRIVE_SPEED_OPTIMAL	0xffff	/* automatically adjusted by drive */
49
50/* Convert writing speed into Kbytes/sec (1x - 75 frames per second) */
51#define CD_SPEED_TO_KBPS(x, blksz)	((x) * 75 * (blksz) / 1024)
52
53/*
54 * It's maximum possible speed for CD (audio track).
55 * Data tracks theoretically can be written at 436x but in practice I
56 * believe, 380x will be never reached.
57 * NOTE: this value must never be changed to a bigger value, it can cause
58 * DRIVE_SPEED_MAX overrun.
59 */
60#define CD_MAX_SPEED		380
61
62/* MMC feature codes */
63#define MMC_FEATURE_CDRW_CAV	0x27	/* Constant Angular Velocity */
64#define MMC_FEATURE_CD_TAO	0x2d	/* Track-At-Once writing mode */
65#define MMC_FEATURE_CDRW_WRITE	0x37	/* media is CD-RW and can be written */
66
67#define MMC_FEATURE_MAX		0x0110
68
69/* Media types */
70#define MEDIATYPE_UNKNOWN	0
71#define MEDIATYPE_CDR		1
72#define MEDIATYPE_CDRW		2
73
74extern unsigned long 	entry2time(struct cd_toc_entry *);
75extern unsigned long 	entry2frames(struct cd_toc_entry *);
76extern int              open_cd(char *, int);
77extern char ** 		cddb(const char *, int, struct cd_toc_entry *, char *);
78extern unsigned long 	cddb_discid(int, struct cd_toc_entry *);
79extern void		free_names(char **);
80extern int		get_media_type(void);
81extern int		get_media_capabilities(u_int8_t *, int);
82extern int		blank(void);
83extern int		unit_ready(void);
84extern int		synchronize_cache(void);
85extern int		close_session(void);
86extern int		get_disc_size(off_t *);
87extern int		get_nwa(int *);
88extern int		writetao(struct track_head *);
89extern int		writetrack(struct track_info *, int);
90extern int		mode_sense_write(unsigned char []);
91extern int		mode_select_write(unsigned char []);
92extern int		cdrip(char *);
93extern int		cdplay(char *);
94
95#define VERSION "2.1"
96#define WAVHDRLEN 44
97