255 lines
7.1 KiB
C
255 lines
7.1 KiB
C
/* $NetBSD: mcdreg.h,v 1.9 2000/06/08 18:22:16 cgd Exp $ */
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/*
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* Copyright 1993 by Holger Veit (data part)
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* Copyright 1993 by Brian Moore (audio part)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This software was developed by Holger Veit and Brian Moore
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* for use with "386BSD" and similar operating systems.
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* "Similar operating systems" includes mainly non-profit oriented
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* systems for research and education, including but not restricted to
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* "NetBSD", "FreeBSD", "Mach" (by CMU).
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* 4. Neither the name of the developer(s) nor the name "386BSD"
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file contains definitions for some cdrom control commands
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* and status codes. This info was "inherited" from the DOS MTMCDE.SYS
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* driver, and is thus not complete (and may even be wrong). Some day
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* the manufacturer or anyone else might provide better documentation,
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* so this file (and the driver) will then have a better quality.
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*/
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#if __GNUC__ >= 2
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#pragma pack(1)
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#endif
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typedef unsigned char bcd_t;
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#define M_msf(msf) msf[0]
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#define S_msf(msf) msf[1]
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#define F_msf(msf) msf[2]
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#define MCD_COMMAND 0
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#define MCD_STATUS 0
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#define MCD_RDATA 0
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#define MCD_RESET 1
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#define MCD_XFER 1
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#define MCD_CTL2 2 /* XXX Is this right? */
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#define MCD_CONFIG 3
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#define MCD_NPORT 4
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#define MCD_MASK_DMA 0x07 /* bits 2-0 = DMA channel */
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#define MCD_MASK_IRQ 0x70 /* bits 6-4 = INT number */
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/* 001 = int 2,9 */
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/* 010 = int 3 */
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/* 011 = int 5 */
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/* 100 = int 10 */
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/* 101 = int 11 */
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/* Status bits */
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#define MCD_ST_DOOROPEN 0x80
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#define MCD_ST_DSKIN 0x40
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#define MCD_ST_DSKCHNG 0x20
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#define MCD_ST_SPINNING 0x10
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#define MCD_ST_AUDIODISK 0x08 /* audio disk is in */
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#define MCD_ST_READERR 0x04
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#define MCD_ST_AUDIOBSY 0x02 /* audio disk is playing */
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#define MCD_ST_CMDCHECK 0x01 /* command error */
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/* Xfer bits */
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#define MCD_XF_STATUSUNAVAIL 0x04
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#define MCD_XF_DATAUNAVAIL 0x02
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/* Modes */
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#define MCD_MD_TESTMODE 0x80 /* 0 = DATALENGTH is valid */
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#define MCD_MD_DATALENGTH 0x40 /* 1 = read ECC data also */
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#define MCD_MD_ECCMODE 0x20 /* 1 = disable secondary ECC */
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#define MCD_MD_SPINDOWN 0x08 /* 1 = spin down */
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#define MCD_MD_READTOC 0x04 /* 1 = read TOC on GETQCHN */
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#define MCD_MD_PLAYAUDIO 0x01 /* 1 = play audio through headphones */
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#define MCD_MD_RAW (MCD_MD_PLAYAUDIO|MCD_MD_ECCMODE|MCD_MD_DATALENGTH)
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#define MCD_MD_COOKED (MCD_MD_PLAYAUDIO)
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#define MCD_MD_TOC (MCD_MD_PLAYAUDIO|MCD_MD_READTOC)
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#define MCD_MD_SLEEP (MCD_MD_PLAYAUDIO|MCD_MD_SPINDOWN)
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#define MCD_BLKSIZE_RAW sizeof(struct mcd_rawsector)
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#define MCD_BLKSIZE_COOKED 2048
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/* Lock states */
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#define MCD_LK_UNLOCK 0x00
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#define MCD_LK_LOCK 0x01
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#define MCD_LK_TEST 0x02
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/* Config commands */
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#define MCD_CF_IRQENABLE 0x10
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#define MCD_CF_DMATIMEOUT 0x08
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#define MCD_CF_READUPC 0x04
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#define MCD_CF_DMAENABLE 0x02
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#define MCD_CF_BLOCKSIZE 0x01
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/* UPC subcommands */
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#define MCD_UPC_DISABLE 0x00
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#define MCD_UPC_ENABLE 0x01
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/* commands known by the controller */
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#define MCD_CMDRESET 0x00
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#define MCD_CMDGETVOLINFO 0x10 /* gets mcd_volinfo */
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#define MCD_CMDGETDISKINFO 0x11 /* gets mcd_disk */
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#define MCD_CMDGETQCHN 0x20 /* gets mcd_qchninfo */
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#define MCD_CMDGETSENSE 0x30 /* gets sense info */
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#define MCD_CMDGETSTAT 0x40 /* gets a byte of status */
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#define MCD_CMDSETMODE 0x50 /* set transmission mode, needs byte */
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#define MCD_CMDSTOPAUDIO 0x70
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#define MCD_CMDSTOPAUDIOTIME 0x80
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#define MCD_CMDGETVOLUME 0x8E /* gets mcd_volume */
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#define MCD_CMDCONFIGDRIVE 0x90
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#define MCD_CMDSETDRIVEMODE 0xa0 /* set drive mode */
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#define MCD_CMDSETVOLUME 0xae /* sets mcd_volume */
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#define MCD_CMDREAD1 0xb0 /* read n sectors */
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#define MCD_CMDREADSINGLESPEED 0xc0 /* read (single speed) */
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#define MCD_CMDREADDOUBLESPEED 0xc1 /* read (double speed) */
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#define MCD_CMDGETDRIVEMODE 0xc2 /* get drive mode */
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#define MCD_CMDREAD3 0xc3 /* ? */
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#define MCD_CMDSETINTERLEAVE 0xc8 /* set interleave for read */
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#define MCD_CMDCONTINFO 0xdc /* get controller info */
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#define MCD_CMDSTOP 0xf0 /* stop everything */
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#define MCD_CMDEJECTDISK 0xf6
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#define MCD_CMDCLOSETRAY 0xf8
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#define MCD_CMDSETLOCK 0xfe /* needs byte */
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union mcd_qchninfo {
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struct {
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u_char control:4;
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u_char addr_type:4;
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u_char trk_no;
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u_char idx_no;
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bcd_t track_size[3];
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u_char :8;
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bcd_t absolute_pos[3];
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} toc;
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struct {
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u_char control:4;
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u_char addr_type:4;
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u_char trk_no;
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u_char idx_no;
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bcd_t relative_pos[3];
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u_char :8;
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bcd_t absolute_pos[3];
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} current;
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struct {
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u_char control:4;
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u_char addr_type:4;
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u_char upccode[7];
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u_char junk[2];
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} upc;
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};
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struct mcd_volinfo {
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bcd_t trk_low;
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bcd_t trk_high;
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bcd_t vol_msf[3];
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bcd_t trk1_msf[3];
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};
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struct mcd_result {
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u_char length;
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union {
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struct {
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u_char data[1];
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} raw;
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struct {
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u_char code;
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u_char version;
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} continfo;
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union mcd_qchninfo qchninfo;
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struct mcd_volinfo volinfo;
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} data;
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};
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struct mcd_command {
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u_char opcode;
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u_char length;
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union {
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struct {
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u_char data[1];
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} raw;
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struct {
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bcd_t start_msf[3];
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bcd_t reserved[3];
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} seek;
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struct {
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bcd_t start_msf[3];
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bcd_t length[3];
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} read;
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struct {
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bcd_t start_msf[3];
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bcd_t end_msf[3];
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} play;
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struct {
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u_char mode;
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} datamode;
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struct {
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u_char time;
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} hold;
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struct {
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u_char mode;
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} drivemode;
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struct {
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u_char mode;
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} lockmode;
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struct {
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u_char subcommand;
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u_char data1, data2;
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} config;
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} data;
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};
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struct mcd_mbox {
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struct mcd_command cmd;
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struct mcd_result res;
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};
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struct mcd_volume {
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u_char v0l;
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u_char v0rs;
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u_char v0r;
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u_char v0ls;
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};
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struct mcd_rawsector {
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u_char sync1[12];
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u_char header[4];
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u_char subheader1[4];
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u_char subheader2[4];
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u_char data[MCD_BLKSIZE_COOKED];
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u_char ecc_bits[280];
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};
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#if __GNUC__ >= 2
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#pragma pack()
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#endif
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