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/* $OpenBSD: mcdreg.h,v 1.6 2003/11/16 20:30:06 avsm Exp $ */
/* $NetBSD: mcdreg.h,v 1.8 1997/04/04 18:59:37 christos Exp $ */
/*
* 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.
*/
typedef unsigned char bcd_t;
#define M_msf(msf) msf[0]
#define S_msf(msf) msf[1]
#define F_msf(msf) msf[2]
#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_NPORT 4
#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 */
/* Status bits */
#define MCD_ST_DOOROPEN 0x80
#define MCD_ST_DSKIN 0x40
#define MCD_ST_DSKCHNG 0x20
#define MCD_ST_SPINNING 0x10
#define MCD_ST_AUDIODISK 0x08 /* audio disk is in */
#define MCD_ST_READERR 0x04
#define MCD_ST_AUDIOBSY 0x02 /* audio disk is playing */
#define MCD_ST_CMDCHECK 0x01 /* command error */
/* Xfer bits */
#define MCD_XF_STATUSUNAVAIL 0x04
#define MCD_XF_DATAUNAVAIL 0x02
/* Modes */
#define MCD_MD_TESTMODE 0x80 /* 0 = DATALENGTH is valid */
#define MCD_MD_DATALENGTH 0x40 /* 1 = read ECC data also */
#define MCD_MD_ECCMODE 0x20 /* 1 = disable secondary ECC */
#define MCD_MD_SPINDOWN 0x08 /* 1 = spin down */
#define MCD_MD_READTOC 0x04 /* 1 = read TOC on GETQCHN */
#define MCD_MD_PLAYAUDIO 0x01 /* 1 = play audio through headphones */
#define MCD_MD_RAW (MCD_MD_PLAYAUDIO|MCD_MD_ECCMODE|MCD_MD_DATALENGTH)
#define MCD_MD_COOKED (MCD_MD_PLAYAUDIO)
#define MCD_MD_TOC (MCD_MD_PLAYAUDIO|MCD_MD_READTOC)
#define MCD_MD_SLEEP (MCD_MD_PLAYAUDIO|MCD_MD_SPINDOWN)
#define MCD_BLKSIZE_RAW sizeof(struct mcd_rawsector)
#define MCD_BLKSIZE_COOKED 2048
/* Lock states */
#define MCD_LK_UNLOCK 0x00
#define MCD_LK_LOCK 0x01
#define MCD_LK_TEST 0x02
/* Config commands */
#define MCD_CF_IRQENABLE 0x10
#define MCD_CF_DMATIMEOUT 0x08
#define MCD_CF_READUPC 0x04
#define MCD_CF_DMAENABLE 0x02
#define MCD_CF_BLOCKSIZE 0x01
/* UPC subcommands */
#define MCD_UPC_DISABLE 0x00
#define MCD_UPC_ENABLE 0x01
/* commands known by the controller */
#define MCD_CMDRESET 0x00
#define MCD_CMDGETVOLINFO 0x10 /* gets mcd_volinfo */
#define MCD_CMDGETDISKINFO 0x11 /* gets mcd_disk */
#define MCD_CMDGETQCHN 0x20 /* gets mcd_qchninfo */
#define MCD_CMDGETSENSE 0x30 /* gets sense info */
#define MCD_CMDGETSTAT 0x40 /* gets a byte of status */
#define MCD_CMDSETMODE 0x50 /* set transmission mode, needs byte */
#define MCD_CMDSTOPAUDIO 0x70
#define MCD_CMDSTOPAUDIOTIME 0x80
#define MCD_CMDGETVOLUME 0x8E /* gets mcd_volume */
#define MCD_CMDCONFIGDRIVE 0x90
#define MCD_CMDSETDRIVEMODE 0xa0 /* set drive mode */
#define MCD_CMDSETVOLUME 0xae /* sets mcd_volume */
#define MCD_CMDREAD1 0xb0 /* read n sectors */
#define MCD_CMDREADSINGLESPEED 0xc0 /* read (single speed) */
#define MCD_CMDREADDOUBLESPEED 0xc1 /* read (double speed) */
#define MCD_CMDGETDRIVEMODE 0xc2 /* get drive mode */
#define MCD_CMDREAD3 0xc3 /* ? */
#define MCD_CMDSETINTERLEAVE 0xc8 /* set interleave for read */
#define MCD_CMDCONTINFO 0xdc /* get controller info */
#define MCD_CMDSTOP 0xf0 /* stop everything */
#define MCD_CMDEJECTDISK 0xf6
#define MCD_CMDCLOSETRAY 0xf8
#define MCD_CMDSETLOCK 0xfe /* needs byte */
union mcd_qchninfo {
struct {
u_char control:4;
u_char addr_type:4;
u_char trk_no;
u_char idx_no;
bcd_t track_size[3];
u_char :8;
bcd_t absolute_pos[3];
} toc;
struct {
u_char control:4;
u_char addr_type:4;
u_char trk_no;
u_char idx_no;
bcd_t relative_pos[3];
u_char :8;
bcd_t absolute_pos[3];
} current;
struct {
u_char control:4;
u_char addr_type:4;
u_char upccode[7];
u_char junk[2];
} upc;
} __packed;
struct mcd_volinfo {
bcd_t trk_low;
bcd_t trk_high;
bcd_t vol_msf[3];
bcd_t trk1_msf[3];
} __packed;
struct mcd_result {
u_char length;
union {
struct {
u_char data[1];
} raw;
struct {
u_char code;
u_char version;
} continfo;
union mcd_qchninfo qchninfo;
struct mcd_volinfo volinfo;
} data;
} __packed;
struct mcd_command {
u_char opcode;
u_char length;
union {
struct {
u_char data[1];
} raw;
struct {
bcd_t start_msf[3];
bcd_t reserved[3];
} seek;
struct {
bcd_t start_msf[3];
bcd_t length[3];
} read;
struct {
bcd_t start_msf[3];
bcd_t end_msf[3];
} play;
struct {
u_char mode;
} datamode;
struct {
u_char time;
} hold;
struct {
u_char mode;
} drivemode;
struct {
u_char mode;
} lockmode;
struct {
u_char subcommand;
u_char data1, data2;
} config;
} data;
} __packed;
struct mcd_mbox {
struct mcd_command cmd;
struct mcd_result res;
} __packed;
struct mcd_volume {
u_char v0l;
u_char v0rs;
u_char v0r;
u_char v0ls;
} __packed;
struct mcd_rawsector {
u_char sync1[12];
u_char header[4];
u_char subheader1[4];
u_char subheader2[4];
u_char data[MCD_BLKSIZE_COOKED];
u_char ecc_bits[280];
} __packed;
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