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/*
* 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 */
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