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/*
* Mach Operating System
* Copyright (c) 1993,1991,1990,1989 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
Copyright 1988, 1989 by Intel Corporation, Santa Clara, California.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and
its documentation for any purpose and without fee is hereby
granted, provided that the above copyright notice appears in all
copies and that both the copyright notice and this permission notice
appear in supporting documentation, and that the name of Intel
not be used in advertising or publicity pertaining to distribution
of the software without specific, written prior permission.
INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* Copyright (c) 1987, 1988 TOSHIBA Corp. */
/* All Rights Reserved */
#ident "@(#)m765.h 1.13 - 88/02/17"
/*******************************************************************
*
* Toshiba Floppy Driver for UNIX System V R3
*
* June 21, 1988
*
* Intended Drive Units:
* Worldwide - Model No. ND-356 3.5" unformatted 2MB/1MB
* UNIX Media Type Name: 2HD512/2DD512/2D512/1D512.
*
* In Japan Only - Model No. ND-355 3.5" unformatted 1.6MB/1MB
* UNIX Media Type Name: 2HC1024/2HC512/2HC256/2DD512/2D512/1D512.
*
* Worldwide - Model No. ND-04DT-A 5.25" unformatted 500 KB
* UNIX Media Type Name: 2D512/1D512.
*
* In Japan Only - Model No. ND-08DE 5.25" unformatted 1.6MB/1MB
* UNIX Media Type Name: 2HC1024/2HC512/2HC256/2DD512/2D512/1D512.
*
* Use with other devices may require modification.
*
* Notes:
* For further detail regarding drive units contact
* Toshiba America,Inc. Disk Products Division,
* Irvine, CA (714) 583-3000.
*
*******************************************************************/
/*
* fdcmd.c_rbmtr
*
* |--+--+--+--+--+--+--+--|
* | | | | | | | | |
* |--+--+--+--+--+--+--+--|
* ^ ^ ^ ^
* | | | |--- unit0 motor on flag
* | | |------ unit1 motor on flag
* | |--------------- unit0 recalibrate flag
* |------------------ unit1 recalibrate flag
*/
#define MTRMASK 0x003 /* mask motor_flag for get status */
#define MTRRST 0x0fc /* reset motor_flag data */
#define RBSHIFT 0x004 /* shift count for recalibrate data */
#define RBRST 0x0cf /* reset recalibrate data */
/*
* fdcmd.c_intr
*
* |--+--+--+--+--+--+--+--|
* | | | | | | | | |
* |--+--+--+--+--+--+--+--|
* ^ ^ ^ ^ ^ ^ ^ ^
* reserved --+ | | | | | | +--- read/write flag
* reserved -----+ | | | | +------ seek flag
* reserved --------+ | | +------ seek flag for retry
* recalibrate/seek flag(for open) ----------+ +--------- recalibrate flag
*/
#define RWFLAG 0x001
#define SKFLAG 0x002
#define SKEFLAG 0x004
#define RBFLAG 0x008
#define WUPFLAG 0x010
#define CMDRST 0x000
/*
* fddrtab.dr_type
*
* +---+---+---+---+---+---+---+---+
* | | | | | | | | |
* +---+---+---+---+---+---+---+---+
* ^ ^ ^ ^ ^
* | | | | |----------- rapid seek flag
* |---| | | 0: normal seek
* | | | 1: rapid seek
* | | |--------------- detect format
* | | 0: no detect
* | | 1: format type OK
* | |------------------- 40 or 80 cylinder(for 2hc/2dd drive)
* | 0: 80 cylinder
* | 1: 40 cylinder
* |------------------------- transfer rate(for read/write/format)
* 00: 500kbps 10: 250kbps
* 01: 300kbps 11: reserved
*/
#define RPSEEK 0x00 /* rapid seek */
#define RAPID 0x08 /* rapid seek flag */
#define OKTYPE 0x10 /* media change flag */
#define DOUBLE 0x20 /* double/single step change */
#define NMSEEK 0x80 /* normal seek */
#define RATEMASK 0xc0 /* transfer parameter mask data */
/*
* device number
*
* 15 10 9 8 7 0
* +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
* | 0 0 0 0 0 0 0 1| | 0| 0| 0| 0| |
* +-----------+-----+-----+--+--+--+--+-----------+
* ^ ^ ^ ^ ^ ^
* |____________________| |__| |__|
* | | |
* | | |- media type
* major number | 0: 3.50" 720 KB
* |- unit number 1: 3.50" 1.44 Meg
* 2: 5.25" 360 KB
* 3: 5.25" 1.20 Meg
*/
#define UNIT(dev) ((dev & 0xc0)>>6) /* get unit number */
#define MEDIATYPE(dev) (dev & 0x03) /* get media type */
/*****************************************************************************
wait time / timeout count
*****************************************************************************/
#define STSCHKCNT 0x2800 /* For check status */
#define ITOUT HZ*5 /* interrupt timeout count */
#define TOUT HZ/4 /* media type check timeout count */
#define MTRSTOP HZ*2 /* motor off time */
#define SEEKWAIT HZ/100*3 /* head_lock time */
/******************************************************************************
define for FDC
******************************************************************************/
/* FDC register */
#define CTRLREG(ADDR) (ADDR) /* controle register */
#define STSREG(ADDR) ((ADDR)+2) /* status register */
#define DATAREG(ADDR) ((ADDR)+3) /* data register */
#define VFOREG(ADDR) ((ADDR)+5) /* vfo register */
/* CTRLREG flags */
#define FDC_RST 0x04
#define MTR_ON 0x04
#define DMAREQ 0x08
#define RDY 0x40
#define BSY 0x80
/* status for command_out */
#define FD_OSTS 0x00 /* For output check */
#define FD_ISTS 0x40 /* For input check */
#define DTOCPU 0x40
#define DATAOK 0x80
/* Command for FDC */
#define SPCCMD 0x03 /* Specify command */
#define RBCMD 0x07 /* Recalibrate command */
#define SISCMD 0x08 /* Sense interrupt status command */
#define SEEKCMD 0x0f /* seek command */
#define RDM 0xe6 /* FDC READ command */
#define RDMV 0x42e6 /* VERIFY READ command */
#define WTM 0xc5 /* FDC WRITE command */
#define FMTM 0x4d /* FDC FORMAT command */
#define FMTDATA 0x5e /* format data */
/* check value */
#define OPENBIT 0x80 /* VFO check define */
#define BYTEMASK 0xff
/* FDC error code define */
#define ERROR 0xff
#define EBBHARD 128
#define EBBSOFT 129
#define ST0AT 0x40
#define ST0IC 0x80
#define ST0OK 0xc0
#define ADDRERR 0x01
#define WTPRT 0x02
#define NOREC 0x03
#define OVERRUN 0x04
#define CRCERR 0x05
#define FDCERR 0x06
#define TIMEOUT 0x08
#define DOORERR 0x09
/******************************************************************************
define for DMA
*****************************************************************************/
/* DMA register */
#define DMACMD1 0x08 /* DMA #1 command register */
#define DMAMSK1 0x0f /* DMA #1 all mask register */
#define DMABPFF 0x0c
#define DMAMODE 0x0b
#define DMAADDR 0x04
#define DMAPAGE 0x81
#define DMACNT 0x05
#define DMAMSK 0x0a
/* dma set data */
#define DMARD 0x46 /* DMA read mode */
#define DMAWT 0x4a /* DMA write mode */
#define DMAVRF 0x42 /* DMA verify mode */
#define DMADATA0 0x00 /* DMA #2 all mask data */
#define DMADATA1 0x0b /* DMA #1 all mask data */
#define CHANNEL2 0x02
#define SRTHUT 0xdf
#define HLTND 0x02
#define DTL 0xff
/******************************************************************************
etc. define
*****************************************************************************/
#define SPL spl5 /* Same as in i386at/autoconf.c */
#define MAXUNIT 4 /* Max unit number */
#define BLKSIZE 512 /* block size */
/* fdcmd.c_stsflag */
#define MTRFLAG 0x01
#define MTROFF 0x02
#define INTROUT 0x04
/* fdcmd.c_devflag (media check flag . etc.) */
#define FDMCHK 0x01
#define FDWAIT 0x02
#define STRCHK 0x04
#define STRWAIT 0x08
/* fdcmd.c_dcount */
#define FDCCNT 9 /* Command table for read/write/format (FDC) */
#define RWCNT 9 /* Read/Write command count */
#define FMTCNT 6 /* format command count */
struct fdcmd {
int c_rbmtr; /* moter & rcalibrate flag */
int c_intr; /* intr flag */
int c_stsflag; /* moter flag */
int c_mtrid; /* motor off queue id */
int c_timeid; /* interrupt timeout id */
int c_devflag; /* device status */
int c_dcount; /* Read/Write/Format data count */
int c_rwdata[FDCCNT]; /* Read/Write/Format cmd (FDC) */
int c_saddr; /* cmd seek address */
};
/* fdmbuf.b_rberr/fdmbuf.b_seekerr/fdmbuf.b_rwerr */
#define MEDIARD 0x01
#define MEDIASEEK 0x01
#define SRETRY 0x03
#define MRETRY 0x30
#define LRETRY 0x300
#define SRMASK 0x0f
#define MRMASK 0xf0
#define RMRMASK 0xff0
#define LRMASK 0xf00
#define MINC 0x10
#define LINC 0x100
struct ctrl_info {
struct unit_info *b_unitf; /* first buffer for this dev */
struct unit_info *b_uip; /* like b_unit */
struct unit_info *b_wup; /* unit to wake up when WUPFLAG */
short b_rberr; /* rb error count (for recovery) */
short b_seekerr; /* seek error count (for recovery) */
short b_rwerr; /* r/w error count (for recovery) */
short b_status; /* error status */
struct buf *b_buf; /* set bp address */
caddr_t b_xferaddr; /* trasfer address */
unsigned int b_xfercount; /* total transfer count */
unsigned int b_xferdma; /* dma transfer count */
int usebuf; /* use private dma page */
caddr_t b_vbuf; /* virtual address for dma page */
vm_offset_t b_pbuf; /* physical dma page (model_dep.c) */
daddr_t b_sector; /* read/write sector */
struct fdcmd b_cmd; /* set command table address */
};
#define FMTID 4
struct fmttbl {
unsigned char cyl;
unsigned char head;
unsigned char sector;
unsigned char s_type;
};
struct fddrtab {
u_short dr_ncyl; /* cylinder count */
u_short dr_spc; /* actual sectors/cylinder */
daddr_t p_nsec; /* disk length (sector count) */
char dr_nsec; /* sector per track */
char dr_type; /* media type */
char dr_rwgpl; /* Read / Write Gap length */
char dr_fgpl; /* Format Gap length */
};
struct unit_info {
struct unit_info *b_unitf; /* next slave */
struct buf *av_forw; /* head of I/O queue (b_forw) */
int b_seekaddr; /* cylinder address */
u_short addr;
struct fddrtab d_drtab; /* floppy disk parameter */
struct bus_device *dev;
struct fdcmd *b_cmd; /* set command table address */
char wakeme; /* set if someone wants to be woken */
};
#define HZ 100 /* 100 ticks/second of the clock */
#define NBPSCTR 512 /* Bytes per LOGICAL disk sector */
/* These should be added to
"sys/param.h". */
#define PAGESIZ 4096
#ifdef MACH_KERNEL
#define PZERO 25
#define PRIBIO 20
#define B_VERIFY IO_SPARE_START
#define B_FORMAT (IO_SPARE_START << 1)
#define b_pfcent io_mode
#endif MACH_KERNEL
|
