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scsipi_cd.h revision 1.6 
      1 /*	$NetBSD: scsipi_cd.h,v 1.6 2001/09/02 19:35:21 thorpej Exp $	*/
      2 
      3 /*
      4  * Written by Julian Elischer (julian (at) 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 (at) 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