xref: /netbsd/sys/dev/scsipi/scsipi_cd.h (revision bf9ec67e)
1 /*	$NetBSD: scsipi_cd.h,v 1.6 2001/09/02 19:35:21 thorpej 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 PAUSE			0x4b	/* cdrom pause in 'play audio' mode */
31 struct scsipi_pause {
32 	u_int8_t opcode;
33 	u_int8_t byte2;
34 	u_int8_t unused[6];
35 	u_int8_t resume;
36 	u_int8_t control;
37 };
38 #define	PA_PAUSE	0x00
39 #define PA_RESUME	0x01
40 
41 #define PLAY_MSF		0x47	/* cdrom play Min,Sec,Frames mode */
42 struct scsipi_play_msf {
43 	u_int8_t opcode;
44 	u_int8_t byte2;
45 	u_int8_t unused;
46 	u_int8_t start_m;
47 	u_int8_t start_s;
48 	u_int8_t start_f;
49 	u_int8_t end_m;
50 	u_int8_t end_s;
51 	u_int8_t end_f;
52 	u_int8_t control;
53 };
54 
55 #define PLAY			0x45	/* cdrom play  'play audio' mode */
56 struct scsipi_play {
57 	u_int8_t opcode;
58 	u_int8_t byte2;
59 	u_int8_t blk_addr[4];
60 	u_int8_t unused;
61 	u_int8_t xfer_len[2];
62 	u_int8_t control;
63 };
64 
65 #define READ_HEADER		0x44	/* cdrom read header */
66 struct scsipi_read_header {
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 data_len[2];
72 	u_int8_t control;
73 };
74 
75 #define READ_SUBCHANNEL		0x42	/* cdrom read Subchannel */
76 struct scsipi_read_subchannel {
77 	u_int8_t opcode;
78 	u_int8_t byte2;
79 	u_int8_t byte3;
80 #define	SRS_SUBQ	0x40
81 	u_int8_t subchan_format;
82 	u_int8_t unused[2];
83 	u_int8_t track;
84 	u_int8_t data_len[2];
85 	u_int8_t control;
86 };
87 
88 #define READ_TOC		0x43	/* cdrom read TOC */
89 struct scsipi_read_toc {
90 	u_int8_t opcode;
91 	u_int8_t byte2;
92 	u_int8_t unused[4];
93 	u_int8_t from_track;
94 	u_int8_t data_len[2];
95 	u_int8_t control;
96 };
97 ;
98 
99 #define READ_CD_CAPACITY	0x25	/* slightly different from disk */
100 struct scsipi_read_cd_capacity {
101 	u_int8_t opcode;
102 	u_int8_t byte2;
103 	u_int8_t addr[4];
104 	u_int8_t unused[3];
105 	u_int8_t control;
106 };
107 
108 struct scsipi_read_cd_cap_data {
109 	u_int8_t addr[4];
110 	u_int8_t length[4];
111 };
112 
113 /* mod pages common to scsi and atapi */
114 struct cd_audio_page {
115 	u_int8_t page_code;
116 #define		AUDIO_PAGE	0x0e
117 	u_int8_t param_len;
118 	u_int8_t flags;
119 #define		CD_PA_SOTC	0x02
120 #define		CD_PA_IMMED	0x04
121 	u_int8_t unused[2];
122 	u_int8_t format_lba; /* valid only for SCSI CDs */
123 #define		CD_PA_FORMAT_LBA 0x0F
124 #define		CD_PA_APR_VALID	0x80
125 	u_int8_t lb_per_sec[2];
126 	struct port_control {
127 		u_int8_t channels;
128 #define	CHANNEL 0x0F
129 #define	CHANNEL_0 1
130 #define	CHANNEL_1 2
131 #define	CHANNEL_2 4
132 #define	CHANNEL_3 8
133 #define		LEFT_CHANNEL	CHANNEL_0
134 #define		RIGHT_CHANNEL	CHANNEL_1
135 #define		MUTE_CHANNEL	0x0
136 #define		BOTH_CHANNEL	LEFT_CHANNEL | RIGHT_CHANNEL
137 		u_int8_t volume;
138 	} port[4];
139 #define	LEFT_PORT	0
140 #define	RIGHT_PORT	1
141 };
142