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1.1 root 1: /*
2: * Written by Julian Elischer ([email protected])
3: * for TRW Financial Systems.
4: *
5: * TRW Financial Systems, in accordance with their agreement with Carnegie
6: * Mellon University, makes this software available to CMU to distribute
7: * or use in any manner that they see fit as long as this message is kept with
8: * the software. For this reason TFS also grants any other persons or
9: * organisations permission to use or modify this software.
10: *
11: * TFS supplies this software to be publicly redistributed
12: * on the understanding that TFS is not responsible for the correct
13: * functioning of this software in any circumstances.
14: *
1.1.1.2 ! root 15: * scsi_cd.h,v 1.2 1993/05/20 03:46:28 cgd Exp
1.1 root 16: */
17:
18: /*
19: * Ported to run under 386BSD by Julian Elischer ([email protected]) Sept 1992
20: */
21:
22: /*
23: * SCSI command format
24: */
25:
26: struct scsi_read_capacity_cd
27: {
28: u_char op_code;
29: u_char :5;
30: u_char lun:3;
31: u_char addr_3; /* Most Significant */
32: u_char addr_2;
33: u_char addr_1;
34: u_char addr_0; /* Least Significant */
35: u_char unused[3];
36: u_char link:1;
37: u_char flag:1;
38: u_char :6;
39: };
40:
41: struct scsi_pause
42: {
43: u_char op_code;
44: u_char :5;
45: u_char lun:3;
46: u_char unused[6];
47: u_char resume:1;
48: u_char :7;
49: u_char link:1;
50: u_char flag:1;
51: u_char :6;
52: };
53: #define PA_PAUSE 1
54: #define PA_RESUME 0
55:
56: struct scsi_play_msf
57: {
58: u_char op_code;
59: u_char :5;
60: u_char lun:3;
61: u_char unused;
62: u_char start_m;
63: u_char start_s;
64: u_char start_f;
65: u_char end_m;
66: u_char end_s;
67: u_char end_f;
68: u_char link:1;
69: u_char flag:1;
70: u_char :6;
71: };
72:
73: struct scsi_play_track
74: {
75: u_char op_code;
76: u_char :5;
77: u_char lun:3;
78: u_char unused[2];
79: u_char start_track;
80: u_char start_index;
81: u_char unused1;
82: u_char end_track;
83: u_char end_index;
84: u_char link:1;
85: u_char flag:1;
86: u_char :6;
87: };
88:
89: struct scsi_play
90: {
91: u_char op_code;
92: u_char reladdr:1;
93: u_char :4;
94: u_char lun:3;
95: u_char blk_addr[4];
96: u_char unused;
97: u_char xfer_len[2];
98: u_char link:1;
99: u_char flag:1;
100: u_char :6;
101: };
102:
103: struct scsi_play_big
104: {
105: u_char op_code;
106: u_char reladdr:1;
107: u_char :4;
108: u_char lun:3;
109: u_char blk_addr[4];
110: u_char xfer_len[4];
111: u_char unused;
112: u_char link:1;
113: u_char flag:1;
114: u_char :6;
115: };
116:
117: struct scsi_play_rel_big
118: {
119: u_char op_code;
120: u_char reladdr:1;
121: u_char :4;
122: u_char lun:3;
123: u_char blk_addr[4];
124: u_char xfer_len[4];
125: u_char track;
126: u_char link:1;
127: u_char flag:1;
128: u_char :6;
129: };
130:
131: struct scsi_read_header
132: {
133: u_char op_code;
134: u_char :1;
135: u_char msf:1;
136: u_char :3;
137: u_char lun:3;
138: u_char blk_addr[4];
139: u_char unused;
140: u_char data_len[2];
141: u_char link:1;
142: u_char flag:1;
143: u_char :6;
144: };
145:
146: struct scsi_read_subchannel
147: {
148: u_char op_code;
149: u_char :1;
150: u_char msf:1;
151: u_char :3;
152: u_char lun:3;
153: u_char :6;
154: u_char subQ:1;
155: u_char :1;
156: u_char subchan_format;
157: u_char unused[2];
158: u_char track;
159: u_char data_len[2];
160: u_char link:1;
161: u_char flag:1;
162: u_char :6;
163: };
164:
165: struct scsi_read_toc
166: {
167: u_char op_code;
168: u_char :1;
169: u_char msf:1;
170: u_char :3;
171: u_char lun:3;
172: u_char unused[4];
173: u_char from_track;
174: u_char data_len[2];
175: u_char link:1;
176: u_char flag:1;
177: u_char :6;
178: };
179: ;
180:
181: struct scsi_read_cd_capacity
182: {
183: u_char op_code;
184: u_char :5;
185: u_char lun:3;
186: u_char addr_3; /* Most Significant */
187: u_char addr_2;
188: u_char addr_1;
189: u_char addr_0; /* Least Significant */
190: u_char unused[3];
191: u_char link:1;
192: u_char flag:1;
193: u_char :6;
194: };
195:
196: /*
197: * Opcodes
198: */
199:
200: #define READ_CD_CAPACITY 0x25 /* slightly different from disk */
201: #define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */
202: #define READ_TOC 0x43 /* cdrom read TOC */
203: #define READ_HEADER 0x44 /* cdrom read header */
204: #define PLAY 0x45 /* cdrom play 'play audio' mode */
205: #define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */
206: #define PLAY_TRACK 0x48 /* cdrom play track/index mode */
207: #define PLAY_TRACK_REL 0x49 /* cdrom play track/index mode */
208: #define PAUSE 0x4b /* cdrom pause in 'play audio' mode */
209: #define PLAY_BIG 0xa5 /* cdrom pause in 'play audio' mode */
210: #define PLAY_TRACK_REL_BIG 0xa9 /* cdrom play track/index mode */
211:
212:
213: struct cd_inquiry_data /* in case there is some special info */
214: {
215: u_char device_type:5;
216: u_char device_qualifier:3;
217: u_char dev_qual2:7;
218: u_char removable:1;
219: u_char ansii_version:3;
220: u_char :5;
221: u_char response_format;
222: u_char additional_length;
223: u_char unused[2];
224: u_char :3;
225: u_char can_link:1;
226: u_char can_sync:1;
227: u_char :3;
228: char vendor[8];
229: char product[16];
230: char revision[4];
231: u_char extra[8];
232: };
233:
234: struct scsi_read_cd_cap_data
235: {
236: u_char addr_3; /* Most significant */
237: u_char addr_2;
238: u_char addr_1;
239: u_char addr_0; /* Least significant */
240: u_char length_3; /* Most significant */
241: u_char length_2;
242: u_char length_1;
243: u_char length_0; /* Least significant */
244: };
245:
246: union cd_pages
247: {
248: #define AUDIO_PAGE 0x0e
249: struct audio_page
250: {
251: u_char page_code:6;
252: u_char :1;
253: u_char ps:1;
254: u_char param_len;
255: u_char :1;
256: u_char sotc:1;
257: u_char immed:1;
258: u_char :5;
259: u_char unused[2];
260: u_char format_lba:4;
261: u_char :3;
262: u_char apr_valid:1;
263: u_char lb_per_sec[2];
264: struct port_control
265: {
266: u_char channels:4;
267: #define CHANNEL_0 1
268: #define CHANNEL_1 2
269: #define CHANNEL_2 4
270: #define CHANNEL_3 8
271: #define LEFT_CHANNEL CHANNEL_0
272: #define RIGHT_CHANNEL CHANNEL_1
273: u_char :4;
274: u_char volume;
275: } port[4];
276: #define LEFT_PORT 0
277: #define RIGHT_PORT 1
278: }audio;
279: };
280:
281: struct cd_mode_data
282: {
283: struct scsi_mode_header header;
284: struct blk_desc blk_desc;
285: union cd_pages page;
286: };
287:
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