1 /* $NetBSD: scsipi_cd.h,v 1.7 2003/09/07 22:11:24 mycroft 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 byte2;
102 u_int8_t unused[4];
103 u_int8_t from_track;
104 u_int8_t data_len[2];
105 u_int8_t control;
106 } __attribute__((packed));
107
108 #define READ_CD_CAPACITY 0x25 /* slightly different from disk */
109 struct scsipi_read_cd_capacity {
110 u_int8_t opcode;
111 u_int8_t byte2;
112 u_int8_t addr[4];
113 u_int8_t unused[3];
114 u_int8_t control;
115 } __attribute__((packed));
116
117 struct scsipi_read_cd_cap_data {
118 u_int8_t addr[4];
119 u_int8_t length[4];
120 } __attribute__((packed));
121
122 /* mod pages common to scsi and atapi */
123 struct cd_audio_page {
124 u_int8_t pg_code;
125 #define AUDIO_PAGE 0x0e
126 u_int8_t pg_length;
127 u_int8_t flags;
128 #define CD_PA_SOTC 0x02
129 #define CD_PA_IMMED 0x04
130 u_int8_t unused[2];
131 u_int8_t format_lba; /* valid only for SCSI CDs */
132 #define CD_PA_FORMAT_LBA 0x0F
133 #define CD_PA_APR_VALID 0x80
134 u_int8_t lb_per_sec[2];
135 struct port_control {
136 u_int8_t channels;
137 #define CHANNEL 0x0F
138 #define CHANNEL_0 1
139 #define CHANNEL_1 2
140 #define CHANNEL_2 4
141 #define CHANNEL_3 8
142 #define LEFT_CHANNEL CHANNEL_0
143 #define RIGHT_CHANNEL CHANNEL_1
144 #define MUTE_CHANNEL 0x0
145 #define BOTH_CHANNEL LEFT_CHANNEL | RIGHT_CHANNEL
146 u_int8_t volume;
147 } port[4];
148 #define LEFT_PORT 0
149 #define RIGHT_PORT 1
150 };
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