xref: /netbsd-src/sys/dev/scsipi/scsipi_cd.h (revision 5b84b3983f71fd20a534cfa5d1556623a8aaa717)
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 };
152