summaryrefslogtreecommitdiffstats
path: root/sys/scsi/scsi_cd.h
blob: 0a4759b8a718d2fdb1926ff447e59d2f0fe0bb53 (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
/*
 * 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
 *
 *	$Id: scsi_cd.h,v 1.6 93/08/26 21:09:19 julian Exp Locker: julian $
 */
#ifndef	_SCSI_SCSI_CD_H
#define _SCSI_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_read_capacity_cd
{
	u_char	op_code;
	u_char	byte2;
	u_char	addr_3;	/* Most Significant */
	u_char	addr_2;
	u_char	addr_1;
	u_char	addr_0;	/* Least Significant */
	u_char	unused[3];
	u_char	control;
};

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

struct scsi_play_msf
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused;
	u_char	start_m;
	u_char	start_s;
	u_char	start_f;
	u_char	end_m;
	u_char	end_s;
	u_char	end_f;
	u_char	control;
};

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

struct scsi_play
{
	u_char	op_code;
	u_char	byte2;
	u_char	blk_addr[4];
	u_char	unused;
	u_char	xfer_len[2];
	u_char	control;
};

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

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

struct scsi_read_header
{
	u_char	op_code;
	u_char	byte2;
	u_char	blk_addr[4];
	u_char	unused;
	u_char	data_len[2];
	u_char	control;
};

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

struct scsi_read_toc
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused[4];
	u_char	from_track;
	u_char	data_len[2];
	u_char	control;
};
;

struct scsi_read_cd_capacity
{
	u_char	op_code;
	u_char	byte2;
	u_char	addr_3;	/* Most Significant */
	u_char	addr_2;
	u_char	addr_1;
	u_char	addr_0;	/* Least Significant */
	u_char	unused[3];
	u_char	control;
};

/*
 * Opcodes
 */

#define READ_CD_CAPACITY	0x25	/* slightly different from disk */
#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 PLAY_BIG		0xa5	/* cdrom pause in 'play audio' mode */
#define PLAY_TRACK_REL_BIG	0xa9	/* cdrom play track/index mode */



struct scsi_read_cd_cap_data
{
	u_char	addr_3;	/* Most significant */
	u_char	addr_2;
	u_char	addr_1;
	u_char	addr_0;	/* Least significant */
	u_char	length_3;	/* Most significant */
	u_char	length_2;
	u_char	length_1;
	u_char	length_0;	/* Least significant */
};

union	cd_pages
{
	struct	audio_page
	{
		u_char	page_code;
#define	CD_PAGE_CODE	0x3F
#define	AUDIO_PAGE	0x0e
#define	CD_PAGE_PS	0x80
		u_char	param_len;
		u_char	flags;
#define		CD_PA_SOTC	0x02
#define		CD_PA_IMMED	0x04
		u_char	unused[2];
		u_char	format_lba;
#define		CD_PA_FORMAT_LBA	0x0F
#define		CD_PA_APR_VALID	0x80
		u_char	lb_per_sec[2];
		struct	port_control
		{
			u_char	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
			u_char	volume;
		} port[4];
#define	LEFT_PORT	0
#define	RIGHT_PORT	1
	}audio;
};

struct cd_mode_data
{
	struct scsi_mode_header header;
	struct blk_desc blk_desc;
	union cd_pages page;
};
#endif /*_SCSI_SCSI_CD_H*/

OpenPOWER on IntegriCloud