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scsipi_cd.h revision 1.4 
      1 /*	$NetBSD: scsipi_cd.h,v 1.4 1998/02/13 04:19:30 enami 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 #ifndef _DEV_SCSIPI_SCSIPI_CD_H_
     21 #define _DEV_SCSIPI_SCSIPI_CD_H_
     22 
     23 /*
     24  *	Define two bits always in the same place in byte 2 (flag byte)
     25  */
     26 #define	CD_RELADDR	0x01
     27 #define	CD_MSF		0x02
     28 
     29 /*
     30  * SCSI and SCSI-like command format
     31  */
     32 
     33 #define PAUSE			0x4b	/* cdrom pause in 'play audio' mode */
     34 struct scsipi_pause {
     35 	u_int8_t opcode;
     36 	u_int8_t byte2;
     37 	u_int8_t unused[6];
     38 	u_int8_t resume;
     39 	u_int8_t control;
     40 };
     41 #define	PA_PAUSE	0x00
     42 #define PA_RESUME	0x01
     43 
     44 #define PLAY_MSF		0x47	/* cdrom play Min,Sec,Frames mode */
     45 struct scsipi_play_msf {
     46 	u_int8_t opcode;
     47 	u_int8_t byte2;
     48 	u_int8_t unused;
     49 	u_int8_t start_m;
     50 	u_int8_t start_s;
     51 	u_int8_t start_f;
     52 	u_int8_t end_m;
     53 	u_int8_t end_s;
     54 	u_int8_t end_f;
     55 	u_int8_t control;
     56 };
     57 
     58 #define PLAY			0x45	/* cdrom play  'play audio' mode */
     59 struct scsipi_play {
     60 	u_int8_t opcode;
     61 	u_int8_t byte2;
     62 	u_int8_t blk_addr[4];
     63 	u_int8_t unused;
     64 	u_int8_t xfer_len[2];
     65 	u_int8_t control;
     66 };
     67 
     68 #define READ_HEADER		0x44	/* cdrom read header */
     69 struct scsipi_read_header {
     70 	u_int8_t opcode;
     71 	u_int8_t byte2;
     72 	u_int8_t blk_addr[4];
     73 	u_int8_t unused;
     74 	u_int8_t data_len[2];
     75 	u_int8_t control;
     76 };
     77 
     78 #define READ_SUBCHANNEL		0x42	/* cdrom read Subchannel */
     79 struct scsipi_read_subchannel {
     80 	u_int8_t opcode;
     81 	u_int8_t byte2;
     82 	u_int8_t byte3;
     83 #define	SRS_SUBQ	0x40
     84 	u_int8_t subchan_format;
     85 	u_int8_t unused[2];
     86 	u_int8_t track;
     87 	u_int8_t data_len[2];
     88 	u_int8_t control;
     89 };
     90 
     91 #define READ_TOC		0x43	/* cdrom read TOC */
     92 struct scsipi_read_toc {
     93 	u_int8_t opcode;
     94 	u_int8_t byte2;
     95 	u_int8_t unused[4];
     96 	u_int8_t from_track;
     97 	u_int8_t data_len[2];
     98 	u_int8_t control;
     99 };
    100 ;
    101 
    102 #define READ_CD_CAPACITY	0x25	/* slightly different from disk */
    103 struct scsipi_read_cd_capacity {
    104 	u_int8_t opcode;
    105 	u_int8_t byte2;
    106 	u_int8_t addr[4];
    107 	u_int8_t unused[3];
    108 	u_int8_t control;
    109 };
    110 
    111 struct scsipi_read_cd_cap_data {
    112 	u_int8_t addr[4];
    113 	u_int8_t length[4];
    114 };
    115 
    116 /* mod pages common to scsi and atapi */
    117 struct cd_audio_page {
    118 	u_int8_t page_code;
    119 #define		CD_PAGE_CODE	0x3F
    120 #define		AUDIO_PAGE	0x0e
    121 #define		CD_PAGE_PS	0x80
    122 	u_int8_t param_len;
    123 	u_int8_t flags;
    124 #define		CD_PA_SOTC	0x02
    125 #define		CD_PA_IMMED	0x04
    126 	u_int8_t unused[2];
    127 	u_int8_t format_lba; /* valid only for SCSI CDs */
    128 #define		CD_PA_FORMAT_LBA 0x0F
    129 #define		CD_PA_APR_VALID	0x80
    130 	u_int8_t lb_per_sec[2];
    131 	struct port_control {
    132 		u_int8_t channels;
    133 #define	CHANNEL 0x0F
    134 #define	CHANNEL_0 1
    135 #define	CHANNEL_1 2
    136 #define	CHANNEL_2 4
    137 #define	CHANNEL_3 8
    138 #define		LEFT_CHANNEL	CHANNEL_0
    139 #define		RIGHT_CHANNEL	CHANNEL_1
    140 #define		MUTE_CHANNEL	0x0
    141 #define		BOTH_CHANNEL	LEFT_CHANNEL | RIGHT_CHANNEL
    142 		u_int8_t volume;
    143 	} port[4];
    144 #define	LEFT_PORT	0
    145 #define	RIGHT_PORT	1
    146 };
    147 
    148 #endif /* _DEV_SCSIPI_SCSIPI_CD_H_ */
    149