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scsipi_cd.h revision 1.9 
      1 /*	$NetBSD: scsipi_cd.h,v 1.9 2005/01/31 23:06:41 reinoud 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	LOAD_UNLOAD	0xa6
     31 struct scsipi_load_unload {
     32 	uint8_t opcode;
     33 	uint8_t unused1[3];
     34 	uint8_t options;
     35 	uint8_t unused2[3];
     36 	uint8_t slot;
     37 	uint8_t unused3[3];
     38 } __attribute__((packed));
     39 
     40 #define PAUSE			0x4b	/* cdrom pause in 'play audio' mode */
     41 struct scsipi_pause {
     42 	uint8_t opcode;
     43 	uint8_t byte2;
     44 	uint8_t unused[6];
     45 	uint8_t resume;
     46 	uint8_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 	uint8_t opcode;
     54 	uint8_t byte2;
     55 	uint8_t unused;
     56 	uint8_t start_m;
     57 	uint8_t start_s;
     58 	uint8_t start_f;
     59 	uint8_t end_m;
     60 	uint8_t end_s;
     61 	uint8_t end_f;
     62 	uint8_t control;
     63 } __attribute__((packed));
     64 
     65 #define PLAY			0x45	/* cdrom play  'play audio' mode */
     66 struct scsipi_play {
     67 	uint8_t opcode;
     68 	uint8_t byte2;
     69 	uint8_t blk_addr[4];
     70 	uint8_t unused;
     71 	uint8_t xfer_len[2];
     72 	uint8_t control;
     73 } __attribute__((packed));
     74 
     75 #define READ_HEADER		0x44	/* cdrom read header */
     76 struct scsipi_read_header {
     77 	uint8_t opcode;
     78 	uint8_t byte2;
     79 	uint8_t blk_addr[4];
     80 	uint8_t unused;
     81 	uint8_t data_len[2];
     82 	uint8_t control;
     83 } __attribute__((packed));
     84 
     85 #define READ_SUBCHANNEL		0x42	/* cdrom read Subchannel */
     86 struct scsipi_read_subchannel {
     87 	uint8_t opcode;
     88 	uint8_t byte2;
     89 	uint8_t byte3;
     90 #define	SRS_SUBQ	0x40
     91 	uint8_t subchan_format;
     92 	uint8_t unused[2];
     93 	uint8_t track;
     94 	uint8_t data_len[2];
     95 	uint8_t control;
     96 } __attribute__((packed));
     97 
     98 #define READ_TOC		0x43	/* cdrom read TOC */
     99 struct scsipi_read_toc {
    100 	uint8_t opcode;
    101 	uint8_t addr_mode;
    102 	uint8_t resp_format;
    103 	uint8_t unused[3];
    104 	uint8_t from_track;
    105 	uint8_t data_len[2];
    106 	uint8_t control;
    107 } __attribute__((packed));
    108 
    109 #define READ_CD_CAPACITY	0x25	/* slightly different from disk */
    110 struct scsipi_read_cd_capacity {
    111 	uint8_t opcode;
    112 	uint8_t byte2;
    113 	uint8_t addr[4];
    114 	uint8_t unused[3];
    115 	uint8_t control;
    116 } __attribute__((packed));
    117 
    118 struct scsipi_read_cd_cap_data {
    119 	uint8_t addr[4];
    120 	uint8_t length[4];
    121 } __attribute__((packed));
    122 
    123 /* mod pages common to scsi and atapi */
    124 struct cd_audio_page {
    125 	uint8_t pg_code;
    126 #define		AUDIO_PAGE	0x0e
    127 	uint8_t pg_length;
    128 	uint8_t flags;
    129 #define		CD_PA_SOTC	0x02
    130 #define		CD_PA_IMMED	0x04
    131 	uint8_t unused[2];
    132 	uint8_t format_lba; /* valid only for SCSI CDs */
    133 #define		CD_PA_FORMAT_LBA 0x0F
    134 #define		CD_PA_APR_VALID	0x80
    135 	uint8_t lb_per_sec[2];
    136 	struct port_control {
    137 		uint8_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 		uint8_t volume;
    148 	} port[4];
    149 #define	LEFT_PORT	0
    150 #define	RIGHT_PORT	1
    151 };
    152