1 /* $NetBSD: scsipi_cd.h,v 1.10 2005/02/01 00:19:34 reinoud Exp $ */
2
3 /*
4 * Written by Julian Elischer (julian@tfs.com)
5 * for TRW Financial Systems.
6 *
7 * TRW Financial Systems, in accordance with their agreement with Carnegie
8 * Mellon University, makes this software available to CMU to distribute
9 * or use in any manner that they see fit as long as this message is kept with
10 * the software. For this reason TFS also grants any other persons or
11 * organisations permission to use or modify this software.
12 *
13 * TFS supplies this software to be publicly redistributed
14 * on the understanding that TFS is not responsible for the correct
15 * functioning of this software in any circumstances.
16 *
17 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
18 */
19
20 /*
21 * Define two bits always in the same place in byte 2 (flag byte)
22 */
23 #define CD_RELADDR 0x01
24 #define CD_MSF 0x02
25
26 /*
27 * SCSI and SCSI-like command format
28 */
29
30 #define LOAD_UNLOAD 0xa6
31 struct scsipi_load_unload {
32 u_int8_t opcode;
33 u_int8_t unused1[3];
34 u_int8_t options;
35 u_int8_t unused2[3];
36 u_int8_t slot;
37 u_int8_t unused3[3];
38 } __attribute__((packed));
39
40 #define PAUSE 0x4b /* cdrom pause in 'play audio' mode */
41 struct scsipi_pause {
42 u_int8_t opcode;
43 u_int8_t byte2;
44 u_int8_t unused[6];
45 u_int8_t resume;
46 u_int8_t control;
47 } __attribute__((packed));
48 #define PA_PAUSE 0x00
49 #define PA_RESUME 0x01
50
51 #define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */
52 struct scsipi_play_msf {
53 u_int8_t opcode;
54 u_int8_t byte2;
55 u_int8_t unused;
56 u_int8_t start_m;
57 u_int8_t start_s;
58 u_int8_t start_f;
59 u_int8_t end_m;
60 u_int8_t end_s;
61 u_int8_t end_f;
62 u_int8_t control;
63 } __attribute__((packed));
64
65 #define PLAY 0x45 /* cdrom play 'play audio' mode */
66 struct scsipi_play {
67 u_int8_t opcode;
68 u_int8_t byte2;
69 u_int8_t blk_addr[4];
70 u_int8_t unused;
71 u_int8_t xfer_len[2];
72 u_int8_t control;
73 } __attribute__((packed));
74
75 #define READ_HEADER 0x44 /* cdrom read header */
76 struct scsipi_read_header {
77 u_int8_t opcode;
78 u_int8_t byte2;
79 u_int8_t blk_addr[4];
80 u_int8_t unused;
81 u_int8_t data_len[2];
82 u_int8_t control;
83 } __attribute__((packed));
84
85 #define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */
86 struct scsipi_read_subchannel {
87 u_int8_t opcode;
88 u_int8_t byte2;
89 u_int8_t byte3;
90 #define SRS_SUBQ 0x40
91 u_int8_t subchan_format;
92 u_int8_t unused[2];
93 u_int8_t track;
94 u_int8_t data_len[2];
95 u_int8_t control;
96 } __attribute__((packed));
97
98 #define READ_TOC 0x43 /* cdrom read TOC */
99 struct scsipi_read_toc {
100 u_int8_t opcode;
101 u_int8_t addr_mode;
102 u_int8_t resp_format;
103 u_int8_t unused[3];
104 u_int8_t from_track;
105 u_int8_t data_len[2];
106 u_int8_t control;
107 } __attribute__((packed));
108
109 #define READ_CD_CAPACITY 0x25 /* slightly different from disk */
110 struct scsipi_read_cd_capacity {
111 u_int8_t opcode;
112 u_int8_t byte2;
113 u_int8_t addr[4];
114 u_int8_t unused[3];
115 u_int8_t control;
116 } __attribute__((packed));
117
118 struct scsipi_read_cd_cap_data {
119 u_int8_t addr[4];
120 u_int8_t length[4];
121 } __attribute__((packed));
122
123 /* mod pages common to scsi and atapi */
124 struct cd_audio_page {
125 u_int8_t pg_code;
126 #define AUDIO_PAGE 0x0e
127 u_int8_t pg_length;
128 u_int8_t flags;
129 #define CD_PA_SOTC 0x02
130 #define CD_PA_IMMED 0x04
131 u_int8_t unused[2];
132 u_int8_t format_lba; /* valid only for SCSI CDs */
133 #define CD_PA_FORMAT_LBA 0x0F
134 #define CD_PA_APR_VALID 0x80
135 u_int8_t lb_per_sec[2];
136 struct port_control {
137 u_int8_t channels;
138 #define CHANNEL 0x0F
139 #define CHANNEL_0 1
140 #define CHANNEL_1 2
141 #define CHANNEL_2 4
142 #define CHANNEL_3 8
143 #define LEFT_CHANNEL CHANNEL_0
144 #define RIGHT_CHANNEL CHANNEL_1
145 #define MUTE_CHANNEL 0x0
146 #define BOTH_CHANNEL LEFT_CHANNEL | RIGHT_CHANNEL
147 u_int8_t volume;
148 } port[4];
149 #define LEFT_PORT 0
150 #define RIGHT_PORT 1
151 };
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