[unix-history] / sys / i386 / isa / mcdreg.h

/*
 * Copyright 1993 by Holger Veit (data part)
 * Copyright 1993 by Brian Moore (audio part)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This software was developed by Holger Veit and Brian Moore
 *      for use with "386BSD" and similar operating systems.
 *    "Similar operating systems" includes mainly non-profit oriented
 *    systems for research and education, including but not restricted to
 *    "NetBSD", "FreeBSD", "Mach" (by CMU).
 * 4. Neither the name of the developer(s) nor the name "386BSD"
 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE DEVELOPER(S) BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This file contains definitions for some cdrom control commands
 * and status codes. This info was "inherited" from the DOS MTMCDE.SYS
 * driver, and is thus not complete (and may even be wrong). Some day
 * the manufacturer or anyone else might provide better documentation,
 * so this file (and the driver) will then have a better quality.
 *
 *	$Id$
 */

#ifndef MCD_H
#define	MCD_H

#ifdef __GNUC__
#if __GNUC__ >= 2
#pragma pack(1)
#endif
#endif

typedef unsigned char	bcd_t;
#define	M_msf(msf)	msf[0]
#define	S_msf(msf)	msf[1]
#define	F_msf(msf)	msf[2]

/* io lines used */
#define	MCD_IO_BASE	0x300

#define	mcd_command	0
#define	mcd_status	0
#define	mcd_rdata	0

#define	mcd_reset	1
#define	mcd_xfer	1
#define	mcd_ctl2	2 /* XXX Is this right? */

#define	mcd_config	3
#define	MCD_MASK_DMA	0x07	/* bits 2-0 = DMA channel */
#define	MCD_MASK_IRQ	0x70	/* bits 6-4 = INT number */
				/* 001 = int 2,9 */
				/* 010 = int 3 */
				/* 011 = int 5 */
				/* 100 = int 10 */
				/* 101 = int 11 */
/* flags */
#define	STATUS_AVAIL	0xb
#define	DATA_AVAIL	0xf

/* ports */
#define	MCD_DATA	0
#define	MCD_FLAGS	1
#define	MCD_DONT_KNOW	2	/* What are these two ports for??? */
#define	CHANNEL		3

/* Status bits */
#define	MCD_ST_DOOROPEN		0x80
#define	MCD_ST_DSKIN		0x40
#define	MCD_ST_DSKCHNG		0x20
#define	MCD_ST_BUSY		0x04
#define	MCD_ST_AUDIOBSY		0x02

/* commands known by the controller */
#define	MCD_CMDRESET		0x00
#define	MCD_CMDGETVOLINFO	0x10	/* gets mcd_volinfo */
#define	MCD_CMDGETQCHN		0x20	/* gets mcd_qchninfo */
#define	MCD_CMDGETSTAT		0x40	/* gets a byte of status */
#define	MCD_CMDSETMODE		0x50	/* set transmission mode, needs byte */
#define	MCD_MD_RAW		0x60
#define	MCD_MD_COOKED		0x01
#define	MCD_MD_TOC		0x05
#define	MCD_CMDSTOPAUDIO	0x70
#define	MCD_CMDGETVOLUME	0x8E	/* gets mcd_volume */
#define	MCD_CMDSETVOLUME	0xAE	/* sets mcd_volume */
#define	MCD_CMDREAD1		0xB0	/* read n sectors */
#define	MCD_CMDREAD2		0xC0	/* read from-to */
#define	MCD_CMDCONTINFO		0xDC	/* Get controller info */
#define	MCD_CMDEJECTDISK	0xF6
#define	MCD_CMDCLOSETRAY	0xF8
#define	MCD_CMDLOCKDRV		0xFE	/* needs byte */
#define	MCD_LK_UNLOCK	0x00
#define	MCD_LK_LOCK	0x01
#define	MCD_LK_TEST	0x02

struct mcd_volinfo {
	bcd_t	trk_low;
	bcd_t	trk_high;
	bcd_t	vol_msf[3];
	bcd_t	trk1_msf[3];
};

struct mcd_qchninfo {
	u_char	ctrl_adr;
	u_char	trk_no;
	u_char	idx_no;
	bcd_t	trk_size_msf[3];
	u_char	:8;
	bcd_t	hd_pos_msf[3];
};

struct mcd_volume {
	u_char	v0l;
	u_char	v0rs;
	u_char	v0r;
	u_char	v0ls;
};

struct mcd_read1 {
	bcd_t	start_msf[3];
	u_char	nsec[3];
};

struct mcd_read2 {
	bcd_t	start_msf[3];
	bcd_t	end_msf[3];
};
#endif /* MCD_H */
Commit	Line	Data
1153d121 RG	1	/*
	2	* Copyright 1993 by Holger Veit (data part)
	3	* Copyright 1993 by Brian Moore (audio part)
	4	* All rights reserved.
	5	*
	6	* Redistribution and use in source and binary forms, with or without
	7	* modification, are permitted provided that the following conditions
	8	* are met:
	9	* 1. Redistributions of source code must retain the above copyright
	10	* notice, this list of conditions and the following disclaimer.
	11	* 2. Redistributions in binary form must reproduce the above copyright
	12	* notice, this list of conditions and the following disclaimer in the
	13	* documentation and/or other materials provided with the distribution.
	14	* 3. All advertising materials mentioning features or use of this software
	15	* must display the following acknowledgement:
	16	* This software was developed by Holger Veit and Brian Moore
	17	* for use with "386BSD" and similar operating systems.
	18	* "Similar operating systems" includes mainly non-profit oriented
	19	* systems for research and education, including but not restricted to
	20	* "NetBSD", "FreeBSD", "Mach" (by CMU).
	21	* 4. Neither the name of the developer(s) nor the name "386BSD"
	22	* may be used to endorse or promote products derived from this
	23	* software without specific prior written permission.
	24	*
	25	* THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY
	26	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	27	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	28	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE
	29	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
	30	* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
	31	* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
	32	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
	33	* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
	34	* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	35	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	36	*
	37	* This file contains definitions for some cdrom control commands
	38	* and status codes. This info was "inherited" from the DOS MTMCDE.SYS
	39	* driver, and is thus not complete (and may even be wrong). Some day
	40	* the manufacturer or anyone else might provide better documentation,
	41	* so this file (and the driver) will then have a better quality.
	42	*
	43	* $Id$
	44	*/
	45
	46	#ifndef MCD_H
	47	#define MCD_H
	48
	49	#ifdef __GNUC__
	50	#if __GNUC__ >= 2
	51	#pragma pack(1)
	52	#endif
	53	#endif
	54
	55	typedef unsigned char bcd_t;
	56	#define M_msf(msf) msf[0]
	57	#define S_msf(msf) msf[1]
	58	#define F_msf(msf) msf[2]
	59
	60	/* io lines used */
	61	#define MCD_IO_BASE 0x300
	62
	63	#define mcd_command 0
	64	#define mcd_status 0
65	#define mcd_rdata 0
66
67	#define mcd_reset 1
68	#define mcd_xfer 1
69	#define mcd_ctl2 2 /* XXX Is this right? */
70
71	#define mcd_config 3
72	#define MCD_MASK_DMA 0x07 /* bits 2-0 = DMA channel */
73	#define MCD_MASK_IRQ 0x70 /* bits 6-4 = INT number */
74	/* 001 = int 2,9 */
75	/* 010 = int 3 */
76	/* 011 = int 5 */
77	/* 100 = int 10 */
78	/* 101 = int 11 */
79	/* flags */
80	#define STATUS_AVAIL 0xb
81	#define DATA_AVAIL 0xf
82
83	/* ports */
84	#define MCD_DATA 0
85	#define MCD_FLAGS 1
86	#define MCD_DONT_KNOW 2 /* What are these two ports for??? */
87	#define CHANNEL 3
88
89	/* Status bits */
90	#define MCD_ST_DOOROPEN 0x80
91	#define MCD_ST_DSKIN 0x40
92	#define MCD_ST_DSKCHNG 0x20
93	#define MCD_ST_BUSY 0x04
94	#define MCD_ST_AUDIOBSY 0x02
95
96	/* commands known by the controller */
97	#define MCD_CMDRESET 0x00
98	#define MCD_CMDGETVOLINFO 0x10 /* gets mcd_volinfo */
99	#define MCD_CMDGETQCHN 0x20 /* gets mcd_qchninfo */
100	#define MCD_CMDGETSTAT 0x40 /* gets a byte of status */
101	#define MCD_CMDSETMODE 0x50 /* set transmission mode, needs byte */
102	#define MCD_MD_RAW 0x60
103	#define MCD_MD_COOKED 0x01
104	#define MCD_MD_TOC 0x05
105	#define MCD_CMDSTOPAUDIO 0x70
106	#define MCD_CMDGETVOLUME 0x8E /* gets mcd_volume */
107	#define MCD_CMDSETVOLUME 0xAE /* sets mcd_volume */
108	#define MCD_CMDREAD1 0xB0 /* read n sectors */
109	#define MCD_CMDREAD2 0xC0 /* read from-to */
110	#define MCD_CMDCONTINFO 0xDC /* Get controller info */
111	#define MCD_CMDEJECTDISK 0xF6
112	#define MCD_CMDCLOSETRAY 0xF8
113	#define MCD_CMDLOCKDRV 0xFE /* needs byte */
114	#define MCD_LK_UNLOCK 0x00
115	#define MCD_LK_LOCK 0x01
116	#define MCD_LK_TEST 0x02
117
118	struct mcd_volinfo {
119	bcd_t trk_low;
120	bcd_t trk_high;
121	bcd_t vol_msf[3];
122	bcd_t trk1_msf[3];
123	};
124
125	struct mcd_qchninfo {
126	u_char ctrl_adr;
127	u_char trk_no;
128	u_char idx_no;
129	bcd_t trk_size_msf[3];
130	u_char :8;
131	bcd_t hd_pos_msf[3];
132	};
133
134	struct mcd_volume {
135	u_char v0l;
136	u_char v0rs;
137	u_char v0r;
138	u_char v0ls;
139	};
140
141	struct mcd_read1 {
142	bcd_t start_msf[3];
143	u_char nsec[3];
144	};
145
146	struct mcd_read2 {
147	bcd_t start_msf[3];
148	bcd_t end_msf[3];
149	};
150	#endif /* MCD_H */