summaryrefslogtreecommitdiff
path: root/sys/scsi/cd.h
blob: 4136deddba502ceb0603c595c17fc2c930b9cbe0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
/*	$OpenBSD: cd.h,v 1.18 2008/06/21 21:11:34 krw Exp $	*/
/*	$NetBSD: scsi_cd.h,v 1.6 1996/03/19 03:06:39 mycroft Exp $	*/

/*
 * Written by Julian Elischer (julian@tfs.com)
 * for TRW Financial Systems.
 *
 * TRW Financial Systems, in accordance with their agreement with Carnegie
 * Mellon University, makes this software available to CMU to distribute
 * or use in any manner that they see fit as long as this message is kept with 
 * the software. For this reason TFS also grants any other persons or
 * organisations permission to use or modify this software.
 *
 * TFS supplies this software to be publicly redistributed
 * on the understanding that TFS is not responsible for the correct
 * functioning of this software in any circumstances.
 *
 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
 */
#ifndef	_SCSI_CD_H
#define _SCSI_CD_H 1

/*
 *	Define two bits always in the same place in byte 2 (flag byte)
 */
#define	CD_RELADDR	0x01
#define	CD_MSF		0x02

/*
 * SCSI command format
 */

struct scsi_blank {
	u_int8_t opcode;
	u_int8_t byte2;
#define BLANK_DISC	0
#define BLANK_MINIMAL	1
	u_int8_t addr[4];
	u_int8_t unused[5];
	u_int8_t control;
};

struct scsi_close_track {
	u_int8_t opcode;
	u_int8_t flags;
#define CT_IMMED	1
	u_int8_t closefunc;
#define CT_CLOSE_TRACK	1
#define CT_CLOSE_SESS	2
#define CT_CLOSE_BORDER 3
	u_int8_t unused;
	u_int8_t track[2];
	u_int8_t unused1[3];
	u_int8_t control;
};

struct scsi_pause {
	u_int8_t opcode;
	u_int8_t byte2;
	u_int8_t unused[6];
	u_int8_t resume;
	u_int8_t control;
};
#define	PA_PAUSE	1
#define PA_RESUME	0

struct scsi_play_msf {
	u_int8_t opcode;
	u_int8_t byte2;
	u_int8_t unused;
	u_int8_t start_m;
	u_int8_t start_s;
	u_int8_t start_f;
	u_int8_t end_m;
	u_int8_t end_s;
	u_int8_t end_f;
	u_int8_t control;
};

struct scsi_play_track {
	u_int8_t opcode;
	u_int8_t byte2;
	u_int8_t unused[2];
	u_int8_t start_track;
	u_int8_t start_index;
	u_int8_t unused1;
	u_int8_t end_track;
	u_int8_t end_index;
	u_int8_t control;
};

struct scsi_play {
	u_int8_t opcode;
	u_int8_t byte2;
	u_int8_t blk_addr[4];
	u_int8_t unused;
	u_int8_t xfer_len[2];
	u_int8_t control;
};

struct scsi_play_big {
	u_int8_t opcode;
	u_int8_t byte2;	/* same as above */
	u_int8_t blk_addr[4];
	u_int8_t xfer_len[4];
	u_int8_t unused;
	u_int8_t control;
};

struct scsi_play_rel_big {
	u_int8_t opcode;
	u_int8_t byte2;	/* same as above */
	u_int8_t blk_addr[4];
	u_int8_t xfer_len[4];
	u_int8_t track;
	u_int8_t control;
};

struct scsi_read_header {
	u_int8_t opcode;
	u_int8_t byte2;
	u_int8_t blk_addr[4];
	u_int8_t unused;
	u_int8_t data_len[2];
	u_int8_t control;
};

struct scsi_read_subchannel {
	u_int8_t opcode;
	u_int8_t byte2;
	u_int8_t byte3;
#define	SRS_SUBQ	0x40
	u_int8_t subchan_format;
	u_int8_t unused[2];
	u_int8_t track;
	u_int8_t data_len[2];
	u_int8_t control;
};

struct scsi_read_toc {
	u_int8_t opcode;
	u_int8_t byte2;
	u_int8_t unused[4];
	u_int8_t from_track;
	u_int8_t data_len[2];
	u_int8_t control;
};

struct scsi_read_track_info {
	u_int8_t opcode;
	u_int8_t addrtype;
#define RTI_LBA		0
#define RTI_TRACK	1
#define RTI_BORDER	2
	u_int8_t addr[4];
	u_int8_t unused;
	u_int8_t data_len[2];
	u_int8_t control;
};

struct scsi_load_unload {
	u_int8_t opcode;
	u_int8_t reserved;
#define	IMMED	0x1
	u_int8_t reserved2[2];
	u_int8_t options;
#define START	0x1
#define	LOUNLO	0x2
	u_int8_t reserved4[3];
	u_int8_t slot;
	u_int8_t reserved5[2];
	u_int8_t control;
};

struct scsi_set_cd_speed {
	u_int8_t opcode;
	u_int8_t rotation;
#define ROTATE_CLV 0
#define ROTATE_CAV 1
	u_int8_t read[2];
	u_int8_t write[2];
	u_int8_t reserved[5];
	u_int8_t control;
};

/*
 * Opcodes
 */

#define READ_SUBCHANNEL		0x42	/* cdrom read Subchannel */
#define READ_TOC		0x43	/* cdrom read TOC */
#define READ_HEADER		0x44	/* cdrom read header */
#define PLAY			0x45	/* cdrom play  'play audio' mode */
#define PLAY_MSF		0x47	/* cdrom play Min,Sec,Frames mode */
#define PLAY_TRACK		0x48	/* cdrom play track/index mode */
#define PLAY_TRACK_REL		0x49	/* cdrom play track/index mode */
#define PAUSE			0x4b	/* cdrom pause in 'play audio' mode */
#define READ_TRACK_INFO		0x52	/* read track/rzone info */
#define CLOSE_TRACK		0x5b	/* close track/rzone/session/border */
#define BLANK			0xa1	/* cdrom blank */
#define PLAY_BIG		0xa5	/* cdrom pause in 'play audio' mode */
#define	LOAD_UNLOAD		0xa6	/* cdrom load/unload media */
#define PLAY_TRACK_REL_BIG	0xa9	/* cdrom play track/index mode */
#define SET_CD_SPEED		0xbb	/* set cdrom read/write speed */

/*
 * Mode pages
 */

#define ERR_RECOVERY_PAGE	0x01
#define WRITE_PARAM_PAGE	0x05
#define CDVD_CAPABILITIES_PAGE	0x2a

struct cd_audio_page {
	u_int8_t page_code;
#define	CD_PAGE_CODE	0x3F
#define	AUDIO_PAGE	0x0e
#define	CD_PAGE_PS	0x80
	u_int8_t param_len;
	u_int8_t flags;
#define		CD_PA_SOTC	0x02
#define		CD_PA_IMMED	0x04
	u_int8_t unused[2];
	u_int8_t format_lba;
#define		CD_PA_FORMAT_LBA	0x0F
#define		CD_PA_APR_VALID	0x80
	u_int8_t lb_per_sec[2];
	struct	port_control {
		u_int8_t channels;
#define	CHANNEL 0x0F
#define	CHANNEL_0 1
#define	CHANNEL_1 2
#define	CHANNEL_2 4
#define	CHANNEL_3 8
#define	LEFT_CHANNEL	CHANNEL_0
#define	RIGHT_CHANNEL	CHANNEL_1
#define MUTE_CHANNEL    0x0
#define BOTH_CHANNEL    LEFT_CHANNEL | RIGHT_CHANNEL
		u_int8_t volume;
	} port[4];
#define	LEFT_PORT	0
#define	RIGHT_PORT	1
};

/*
 * There are 2352 bytes in a CD digital audio frame.  One frame is 1/75 of a
 * second, at 44.1kHz sample rate, 16 bits/sample, 2 channels.
 *
 * The frame data have the two channels interleaved, with the left
 * channel first.  Samples are little endian 16-bit signed values.
 */
#define CD_DA_BLKSIZ		2352	/* # bytes in CD-DA frame */
#define CD_NORMAL_DENSITY_CODE	0x00	/* from Toshiba CD-ROM specs */
#define CD_DA_DENSITY_CODE	0x82	/* from Toshiba CD-ROM specs */

struct scsi_read_dvd_structure {
	u_int8_t	opcode;		/* GPCMD_READ_DVD_STRUCTURE */
	u_int8_t	reserved;
	u_int8_t	address[4];
	u_int8_t	layer;
	u_int8_t	format;
	u_int8_t	length[2];
	u_int8_t	agid;		/* bottom 6 bits reserved */
	u_int8_t	control;
};

struct scsi_read_dvd_structure_data {
	u_int8_t	len[2];		/* Big-endian length of valid data. */
	u_int8_t	reserved[2];
	u_int8_t	data[2048];
};

#ifdef _KERNEL

struct cd_softc {
	struct device sc_dev;
	struct disk sc_dk;

	int flags;
#define	CDF_LOCKED	0x01
#define	CDF_WANTED	0x02
#define	CDF_WLABEL	0x04		/* label is writable */
#define	CDF_LABELLING	0x08		/* writing label */
#define	CDF_ANCIENT	0x10		/* disk is ancient; for minphys */
#ifdef CDDA
#define CDF_CDDA	0x20
#endif
	struct scsi_link *sc_link;	/* contains our targ, lun, etc. */
	struct cd_parms {
		u_int32_t blksize;
		daddr64_t disksize;	/* total number sectors */
	} params;
#ifdef CDDA
	struct cd_parms orig_params;    /* filled in when CD-DA mode starts */
#endif
	struct buf buf_queue;
	struct timeout sc_timeout;
	void *sc_cdpwrhook;		/* our power hook */
};

#endif /* _KERNEL */
#endif