[unix-history] / sys / scsi / scsi_cd.h

/*
 * Written by Julian Elischer (julian@tfs.com)
 * for TRW Financial Systems.
 *
 * TRW Financial Systems, in accordance with their agreement with Carnegie
 * Mellon University, makes this software available to CMU to distribute
 * or use in any manner that they see fit as long as this message is kept with 
 * the software. For this reason TFS also grants any other persons or
 * organisations permission to use or modify this software.
 *
 * TFS supplies this software to be publicly redistributed
 * on the understanding that TFS is not responsible for the correct
 * functioning of this software in any circumstances.
 *
 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
 *
 *	$Id: scsi_cd.h,v 1.6 93/08/26 21:09:19 julian Exp Locker: julian $
 */
#ifndef	_SCSI_SCSI_CD_H
#define _SCSI_SCSI_CD_H 1

/*
 *	Define two bits always in the same place in byte 2 (flag byte)
 */
#define	CD_RELADDR	0x01
#define	CD_MSF		0x02

/*
 * SCSI command format
 */

struct scsi_read_capacity_cd
{
	u_char	op_code;
	u_char	byte2;
	u_char	addr_3;	/* Most Significant */
	u_char	addr_2;
	u_char	addr_1;
	u_char	addr_0;	/* Least Significant */
	u_char	unused[3];
	u_char	control;
};

struct scsi_pause
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused[6];
	u_char	resume;
	u_char	control;
};
#define	PA_PAUSE	1
#define PA_RESUME	0

struct scsi_play_msf
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused;
	u_char	start_m;
	u_char	start_s;
	u_char	start_f;
	u_char	end_m;
	u_char	end_s;
	u_char	end_f;
	u_char	control;
};

struct scsi_play_track
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused[2];
	u_char	start_track;
	u_char	start_index;
	u_char	unused1;
	u_char	end_track;
	u_char	end_index;
	u_char	control;
};

struct scsi_play
{
	u_char	op_code;
	u_char	byte2;
	u_char	blk_addr[4];
	u_char	unused;
	u_char	xfer_len[2];
	u_char	control;
};

struct scsi_play_big	
{
	u_char	op_code;
	u_char	byte2;	/* same as above */
	u_char	blk_addr[4];
	u_char	xfer_len[4];
	u_char	unused;
	u_char	control;
};

struct scsi_play_rel_big
{
	u_char	op_code;
	u_char	byte2;	/* same as above */
	u_char	blk_addr[4];
	u_char	xfer_len[4];
	u_char	track;
	u_char	control;
};

struct scsi_read_header
{
	u_char	op_code;
	u_char	byte2;
	u_char	blk_addr[4];
	u_char	unused;
	u_char	data_len[2];
	u_char	control;
};

struct scsi_read_subchannel
{
	u_char	op_code;
	u_char	byte2;
	u_char	byte3;
#define	SRS_SUBQ	0x40
	u_char	subchan_format;
	u_char	unused[2];
	u_char	track;
	u_char	data_len[2];
	u_char	control;
};

struct scsi_read_toc
{
	u_char	op_code;
	u_char	byte2;
	u_char	unused[4];
	u_char	from_track;
	u_char	data_len[2];
	u_char	control;
};
;

struct scsi_read_cd_capacity
{
	u_char	op_code;
	u_char	byte2;
	u_char	addr_3;	/* Most Significant */
	u_char	addr_2;
	u_char	addr_1;
	u_char	addr_0;	/* Least Significant */
	u_char	unused[3];
	u_char	control;
};

/*
 * Opcodes
 */

#define READ_CD_CAPACITY	0x25	/* slightly different from disk */
#define READ_SUBCHANNEL		0x42	/* cdrom read Subchannel */
#define READ_TOC		0x43	/* cdrom read TOC */
#define READ_HEADER		0x44	/* cdrom read header */
#define PLAY			0x45	/* cdrom play  'play audio' mode */
#define PLAY_MSF		0x47	/* cdrom play Min,Sec,Frames mode */
#define PLAY_TRACK		0x48	/* cdrom play track/index mode */
#define PLAY_TRACK_REL		0x49	/* cdrom play track/index mode */
#define PAUSE			0x4b	/* cdrom pause in 'play audio' mode */
#define PLAY_BIG		0xa5	/* cdrom pause in 'play audio' mode */
#define PLAY_TRACK_REL_BIG	0xa9	/* cdrom play track/index mode */


struct scsi_read_cd_cap_data
{
	u_char	addr_3;	/* Most significant */
	u_char	addr_2;
	u_char	addr_1;
	u_char	addr_0;	/* Least significant */
	u_char	length_3;	/* Most significant */
	u_char	length_2;
	u_char	length_1;
	u_char	length_0;	/* Least significant */
};

union	cd_pages
{
	struct	audio_page
	{
		u_char	page_code;
#define	CD_PAGE_CODE	0x3F
#define	AUDIO_PAGE	0x0e
#define	CD_PAGE_PS	0x80
		u_char	param_len;
		u_char	flags;
#define		CD_PA_SOTC	0x02
#define		CD_PA_IMMED	0x04
		u_char	unused[2];
		u_char	format_lba;
#define		CD_PA_FORMAT_LBA	0x0F
#define		CD_PA_APR_VALID	0x80
		u_char	lb_per_sec[2];
		struct	port_control
		{
			u_char	channels;
#define	CHANNEL 0x0F
#define	CHANNEL_0 1
#define	CHANNEL_1 2
#define	CHANNEL_2 4
#define	CHANNEL_3 8
#define	LEFT_CHANNEL	CHANNEL_0
#define	RIGHT_CHANNEL	CHANNEL_1
			u_char	volume;
		} port[4];
#define	LEFT_PORT	0
#define	RIGHT_PORT	1
	}audio;
};

struct cd_mode_data
{
	struct scsi_mode_header header;
	struct blk_desc blk_desc;
	union cd_pages page;
};
#endif /*_SCSI_SCSI_CD_H*/
Commit	Line	Data
15637ed4 RG	1	/*
	2	* Written by Julian Elischer (julian@tfs.com)
	3	* for TRW Financial Systems.
	4	*
	5	* TRW Financial Systems, in accordance with their agreement with Carnegie
	6	* Mellon University, makes this software available to CMU to distribute
	7	* or use in any manner that they see fit as long as this message is kept with
	8	* the software. For this reason TFS also grants any other persons or
	9	* organisations permission to use or modify this software.
	10	*
	11	* TFS supplies this software to be publicly redistributed
	12	* on the understanding that TFS is not responsible for the correct
	13	* functioning of this software in any circumstances.
	14	*
98639498	15	* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
869c4419	16	*
519fb2b7	17	* $Id: scsi_cd.h,v 1.6 93/08/26 21:09:19 julian Exp Locker: julian $
15637ed4	18	*/
519fb2b7 RG	19	#ifndef _SCSI_SCSI_CD_H
519fb2b7 RG	20	#define _SCSI_SCSI_CD_H 1
bbc3f849	21
869c4419 RG	22	/*
	23	* Define two bits always in the same place in byte 2 (flag byte)
	24	*/
	25	#define CD_RELADDR 0x01
	26	#define CD_MSF 0x02
15637ed4 RG	27
	28	/*
	29	* SCSI command format
	30	*/
	31
	32	struct scsi_read_capacity_cd
	33	{
	34	u_char op_code;
869c4419	35	u_char byte2;
15637ed4 RG	36	u_char addr_3; /* Most Significant */
	37	u_char addr_2;
	38	u_char addr_1;
	39	u_char addr_0; /* Least Significant */
	40	u_char unused[3];
869c4419	41	u_char control;
15637ed4 RG	42	};
	43
	44	struct scsi_pause
	45	{
	46	u_char op_code;
869c4419	47	u_char byte2;
15637ed4	48	u_char unused[6];
869c4419 RG	49	u_char resume;
869c4419 RG	50	u_char control;
15637ed4 RG	51	};
	52	#define PA_PAUSE 1
	53	#define PA_RESUME 0
	54
	55	struct scsi_play_msf
	56	{
	57	u_char op_code;
869c4419	58	u_char byte2;
15637ed4 RG	59	u_char unused;
	60	u_char start_m;
	61	u_char start_s;
	62	u_char start_f;
	63	u_char end_m;
	64	u_char end_s;
	65	u_char end_f;
869c4419	66	u_char control;
15637ed4 RG	67	};
	68
	69	struct scsi_play_track
	70	{
	71	u_char op_code;
869c4419	72	u_char byte2;
15637ed4 RG	73	u_char unused[2];
	74	u_char start_track;
	75	u_char start_index;
	76	u_char unused1;
	77	u_char end_track;
	78	u_char end_index;
869c4419	79	u_char control;
15637ed4 RG	80	};
	81
	82	struct scsi_play
	83	{
	84	u_char op_code;
869c4419	85	u_char byte2;
15637ed4 RG	86	u_char blk_addr[4];
	87	u_char unused;
	88	u_char xfer_len[2];
869c4419	89	u_char control;
15637ed4 RG	90	};
	91
	92	struct scsi_play_big
	93	{
	94	u_char op_code;
869c4419	95	u_char byte2; /* same as above */
15637ed4 RG	96	u_char blk_addr[4];
	97	u_char xfer_len[4];
	98	u_char unused;
869c4419	99	u_char control;
15637ed4 RG	100	};
	101
	102	struct scsi_play_rel_big
	103	{
	104	u_char op_code;
869c4419	105	u_char byte2; /* same as above */
15637ed4 RG	106	u_char blk_addr[4];
	107	u_char xfer_len[4];
	108	u_char track;
869c4419	109	u_char control;
15637ed4 RG	110	};
	111
	112	struct scsi_read_header
	113	{
	114	u_char op_code;
869c4419	115	u_char byte2;
15637ed4 RG	116	u_char blk_addr[4];
	117	u_char unused;
	118	u_char data_len[2];
869c4419	119	u_char control;
15637ed4 RG	120	};
	121
	122	struct scsi_read_subchannel
	123	{
	124	u_char op_code;
869c4419 RG	125	u_char byte2;
	126	u_char byte3;
	127	#define SRS_SUBQ 0x40
15637ed4 RG	128	u_char subchan_format;
	129	u_char unused[2];
	130	u_char track;
	131	u_char data_len[2];
869c4419	132	u_char control;
15637ed4 RG	133	};
	134
	135	struct scsi_read_toc
	136	{
	137	u_char op_code;
869c4419	138	u_char byte2;
15637ed4 RG	139	u_char unused[4];
	140	u_char from_track;
	141	u_char data_len[2];
869c4419	142	u_char control;
15637ed4	143	};
519fb2b7	144	;
15637ed4 RG	145
	146	struct scsi_read_cd_capacity
	147	{
	148	u_char op_code;
869c4419	149	u_char byte2;
15637ed4 RG	150	u_char addr_3; /* Most Significant */
	151	u_char addr_2;
	152	u_char addr_1;
	153	u_char addr_0; /* Least Significant */
	154	u_char unused[3];
869c4419	155	u_char control;
15637ed4 RG	156	};
	157
	158	/*
	159	* Opcodes
	160	*/
	161
	162	#define READ_CD_CAPACITY 0x25 /* slightly different from disk */
	163	#define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */
	164	#define READ_TOC 0x43 /* cdrom read TOC */
	165	#define READ_HEADER 0x44 /* cdrom read header */
	166	#define PLAY 0x45 /* cdrom play 'play audio' mode */
	167	#define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */
	168	#define PLAY_TRACK 0x48 /* cdrom play track/index mode */
	169	#define PLAY_TRACK_REL 0x49 /* cdrom play track/index mode */
	170	#define PAUSE 0x4b /* cdrom pause in 'play audio' mode */
	171	#define PLAY_BIG 0xa5 /* cdrom pause in 'play audio' mode */
	172	#define PLAY_TRACK_REL_BIG 0xa9 /* cdrom play track/index mode */
	173
	174
15637ed4 RG	175
	176	struct scsi_read_cd_cap_data
	177	{
	178	u_char addr_3; /* Most significant */
	179	u_char addr_2;
	180	u_char addr_1;
	181	u_char addr_0; /* Least significant */
	182	u_char length_3; /* Most significant */
	183	u_char length_2;
	184	u_char length_1;
	185	u_char length_0; /* Least significant */
	186	};
	187
	188	union cd_pages
	189	{
15637ed4 RG	190	struct audio_page
15637ed4 RG	191	{
869c4419 RG	192	u_char page_code;
	193	#define CD_PAGE_CODE 0x3F
	194	#define AUDIO_PAGE 0x0e
	195	#define CD_PAGE_PS 0x80
15637ed4	196	u_char param_len;
869c4419 RG	197	u_char flags;
	198	#define CD_PA_SOTC 0x02
	199	#define CD_PA_IMMED 0x04
15637ed4	200	u_char unused[2];
869c4419 RG	201	u_char format_lba;
	202	#define CD_PA_FORMAT_LBA 0x0F
	203	#define CD_PA_APR_VALID 0x80
15637ed4 RG	204	u_char lb_per_sec[2];
	205	struct port_control
	206	{
869c4419 RG	207	u_char channels;
869c4419 RG	208	#define CHANNEL 0x0F
15637ed4 RG	209	#define CHANNEL_0 1
	210	#define CHANNEL_1 2
	211	#define CHANNEL_2 4
	212	#define CHANNEL_3 8
	213	#define LEFT_CHANNEL CHANNEL_0
	214	#define RIGHT_CHANNEL CHANNEL_1
15637ed4 RG	215	u_char volume;
	216	} port[4];
	217	#define LEFT_PORT 0
	218	#define RIGHT_PORT 1
	219	}audio;
	220	};
	221
	222	struct cd_mode_data
	223	{
	224	struct scsi_mode_header header;
	225	struct blk_desc blk_desc;
	226	union cd_pages page;
	227	};
519fb2b7	228	#endif /_SCSI_SCSI_CD_H/
15637ed4	229