1
0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-25 11:37:56 +00:00
freebsd/sys/i386/isa/mcdreg.h
Andrey A. Chernov 85cd355ef1 Use double speed read for FX001D, now this drive
becomes two times faster than in old variant.
Get rid of false "media changed" errors during large disk transfers
1995-01-30 06:44:40 +00:00

221 lines
7.1 KiB
C

/*
* Copyright 1993 by Holger Veit (data part)
* Copyright 1993 by Brian Moore (audio part)
* Changes Copyright 1993 by Gary Clark II
* 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: mcdreg.h,v 1.6 1994/12/24 13:24:02 ache Exp $
*/
#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_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 MFL_DATA_NOT_AVAIL 0x02
#define MFL_STATUS_NOT_AVAIL 0x04
/* New Commands */
#define M_RESET 0x00
#define M_PICKLE 0x04
/* ports */
#define MCD_DATA 0
#define MCD_FLAGS 1
#define MCD_CTRL 2
#define CHANNEL 3 /* XXX ??? */
/* 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_BUSY 0x04
#define MCD_ST_AUDIOBSY 0x02 /* Audio Disk is Playing */
#define MCD_ST_CMDCHECK 0x01 /* Command error */
/* commands known by the controller */
#define MCD_CMDRESET 0x00
#define MCD_CMDGETVOLINFO 0x10 /* gets mcd_volinfo */
#define MCD_CMDGETDISKINFO 0x11 /* gets mcd_disk information */
#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_MDBIT_TESTMODE 0x80 /* 0 = DATALENGTH setting is valid */
#define MCD_MDBIT_DATALENGTH 0x40 /* 0 = Read User Data Only */
/* 1 = Read Raw sectors (2352 bytes) */
#define MCDBLK 2048 /* for cooked mode */
#define MCDRBLK sizeof(struct mcd_rawsector) /* for raw mode */
#define MCD_MDBIT_ECCMODE 0x20 /* 0 = Use secondary correction */
/* 1 = Don't use secondary ECC */
#define MCD_MDBIT_SPINDOWN 0x08 /* 0 = Spin Up, 1 = Spin Down */
#define MCD_MDBIT_GET_TOC 0x04 /* 0 = Get UPC on next GETQCHAN */
/* 1 = Get TOC on GETQCHAN */
#define MCD_MDBIT_MUTEDATA 0x01 /* 1 = Don't play back Data as audio */
#define MCD_MD_RAW (MCD_MDBIT_DATALENGTH|MCD_MDBIT_ECCMODE|MCD_MDBIT_MUTEDATA)
#define MCD_MD_COOKED (MCD_MDBIT_MUTEDATA)
#define MCD_MD_TOC (MCD_MDBIT_GET_TOC|MCD_MDBIT_MUTEDATA)
#define MCD_CMDSTOPAUDIO 0x70
#define MCD_CMDSTOPAUDIOTIME 0x80
#define MCD_CMDGETVOLUME 0x8E /* gets mcd_volume */
#define MCD_CMDSETDRIVEMODE 0xA0 /* Set drive mode */
#define MCD_READUPC 0xA2 /* Get UPC info */
#define MCD_CMDSETVOLUME 0xAE /* sets mcd_volume */
#define MCD_CMDREAD1 0xB0 /* read n sectors */
#define MCD_CMDSINGLESPEEDREAD 0xC0 /* read from-to */
#define MCD_CMDSTARTAUDIOMSF 0xC1 /* read audio data */
#define MCD_CMDDOUBLESPEEDREAD 0xC1 /* Read lots of data from the drive */
#define MCD_CMDGETDRIVEMODE 0xC2 /* Get the drive mode */
#define MCD_CMDREAD 0xC3 /* Read data from the drive */
#define MCD_CMDSETINTERLEAVE 0xC8 /* Adjust the interleave */
#define MCD_CMDCONTINFO 0xDC /* Get controller info */
#define MCD_CMDSTOP 0xF0 /* Stop everything */
#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
/* DMA Enable Stuff */
#define MCD_DMA_IRQFLAGS 0x10 /* Set data0 for IRQ click */
#define MCD_DMA_PREIRQ 0x01 /* All of these are for */
#define MCD_DMA_POSTIRQ 0x02 /* MCD_DMA_IRQFLAG... */
#define MCD_DMA_ERRIRQ 0x04 /* */
#define MCD_DMA_TIMEOUT 0x08 /* Set data0 for DMA timeout */
#define MCD_DMA_UPCFLAG 0x04 /* 1 = Next command will be READUPC */
#define MCD_DMA_DMAMODE 0x02 /* 1 = Data uses DMA */
#define MCD_DMA_TRANSFERLENGTH 0x01 /* data0 = MSB, data1 = LSB of block length */
struct mcd_dma_mode {
u_char dma_mode;
u_char data0; /* If dma_mode & 0x10: Use IRQ settings */
u_char data1; /* Used if dma_mode & 0x01 */
};
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_holdtime {
u_char units_of_ten_seconds;
/* If this is 0, the default (12) is used */
};
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];
};
struct mcd_rawsector {
u_char sync1[12];
u_char header[4];
u_char subheader1[4];
u_char subheader2[4];
u_char data[MCDBLK];
u_char ecc_bits[280];
};
#endif /* MCD_H */