blob: c35bdff7c06e70ecd9c6494d379101c963054f4f (
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
|
/*
* 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.
*
*
* PATCHES MAGIC LEVEL PATCH THAT GOT US HERE
* -------------------- ----- ----------------------
* CURRENT PATCH LEVEL: 1 00098
* -------------------- ----- ----------------------
*
* 16 Feb 93 Julian Elischer ADDED for SCSI system
*/
/*
* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
*/
/*
* SCSI command format
*/
struct scsi_read_capacity_cd
{
u_char op_code;
u_char :5;
u_char lun:3;
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 link:1;
u_char flag:1;
u_char :6;
};
struct scsi_pause
{
u_char op_code;
u_char :5;
u_char lun:3;
u_char unused[6];
u_char resume:1;
u_char :7;
u_char link:1;
u_char flag:1;
u_char :6;
};
#define PA_PAUSE 1
#define PA_RESUME 0
struct scsi_play_msf
{
u_char op_code;
u_char :5;
u_char lun:3;
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 link:1;
u_char flag:1;
u_char :6;
};
struct scsi_play_track
{
u_char op_code;
u_char :5;
u_char lun:3;
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 link:1;
u_char flag:1;
u_char :6;
};
struct scsi_play
{
u_char op_code;
u_char reladdr:1;
u_char :4;
u_char lun:3;
u_char blk_addr[4];
u_char unused;
u_char xfer_len[2];
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_play_big
{
u_char op_code;
u_char reladdr:1;
u_char :4;
u_char lun:3;
u_char blk_addr[4];
u_char xfer_len[4];
u_char unused;
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_play_rel_big
{
u_char op_code;
u_char reladdr:1;
u_char :4;
u_char lun:3;
u_char blk_addr[4];
u_char xfer_len[4];
u_char track;
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_read_header
{
u_char op_code;
u_char :1;
u_char msf:1;
u_char :3;
u_char lun:3;
u_char blk_addr[4];
u_char unused;
u_char data_len[2];
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_read_subchannel
{
u_char op_code;
u_char :1;
u_char msf:1;
u_char :3;
u_char lun:3;
u_char :6;
u_char subQ:1;
u_char :1;
u_char subchan_format;
u_char unused[2];
u_char track;
u_char data_len[2];
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_read_toc
{
u_char op_code;
u_char :1;
u_char msf:1;
u_char :3;
u_char lun:3;
u_char unused[4];
u_char from_track;
u_char data_len[2];
u_char link:1;
u_char flag:1;
u_char :6;
};
;
struct scsi_read_cd_capacity
{
u_char op_code;
u_char :5;
u_char lun:3;
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 link:1;
u_char flag:1;
u_char :6;
};
/*
* 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 cd_inquiry_data /* in case there is some special info */
{
u_char device_type:5;
u_char device_qualifier:3;
u_char dev_qual2:7;
u_char removable:1;
u_char ansii_version:3;
u_char :5;
u_char response_format;
u_char additional_length;
u_char unused[2];
u_char :3;
u_char can_link:1;
u_char can_sync:1;
u_char :3;
char vendor[8];
char product[16];
char revision[4];
u_char extra[8];
};
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
{
#define AUDIO_PAGE 0x0e
struct audio_page
{
u_char page_code:6;
u_char :1;
u_char ps:1;
u_char param_len;
u_char :1;
u_char sotc:1;
u_char immed:1;
u_char :5;
u_char unused[2];
u_char format_lba:4;
u_char :3;
u_char apr_valid:1;
u_char lb_per_sec[2];
struct port_control
{
u_char channels:4;
#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 :4;
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;
};
|
