First working version.
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/* $NetBSD: fdreg.h,v 1.1 1997/04/09 04:49:10 jeremy Exp $ */
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/*-
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* Copyright (c) 1991 The Regents of the University of California.
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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
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* 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 product includes software developed by the University of
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|
* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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||||||
|
* may be used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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||||||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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||||||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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||||||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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||||||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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|
* SUCH DAMAGE.
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*
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* @(#)fdreg.h 7.1 (Berkeley) 5/9/91
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*/
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/*
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* AT floppy controller registers and bitfields
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*/
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/* uses NEC765 controller */
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#include <dev/ic/nec765reg.h>
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#ifndef _LOCORE
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struct fdreg_77 {
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u_int8_t fd_statusA;
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u_int8_t fd_statusB;
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u_int8_t fd_dor; /* Digital Output Register (R/W) */
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u_int8_t fd_tdr; /* Tape Control Register (R/W) */
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u_int8_t fd_msr; /* Main Status Register (R) */
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#define fd_drs fd_msr /* Data Rate Select Register (W) */
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u_int8_t fd_fifo; /* Data (FIFO) register (R/W) */
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u_int8_t fd_reserved;
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u_int8_t fd_dir; /* Digital Input Register (R) */
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#define fd_ccr fd_dir /* Configuration Control (W) */
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};
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struct fdreg_72 {
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u_int8_t fd_msr; /* Main Status Register (R) */
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#if already_a_define
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#define fd_drs fd_msr /* Data Rate Select Register (W) */
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#endif
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u_int8_t fd_fifo; /* Data (FIFO) register (R/W) */
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};
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union fdreg {
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struct fdreg_72 fun72;
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struct fdreg_77 fun77;
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};
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#endif
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/* Data Select Register bits */
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#define DRS_RESET 0x80
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#define DRS_POWER 0x40
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#define DRS_PLL 0x20
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#define FDC_500KBPS 0x00 /* 500KBPS MFM drive transfer rate */
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#define FDC_300KBPS 0x01 /* 300KBPS MFM drive transfer rate */
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#define FDC_250KBPS 0x02 /* 250KBPS MFM drive transfer rate */
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#define FDC_125KBPS 0x03 /* 125KBPS FM drive transfer rate */
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/* Digital Output Register bits */
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#define FDO_FDSEL 0x03 /* floppy device select */
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#define FDO_FRST 0x04 /* floppy controller reset */
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#define FDO_FDMAEN 0x08 /* enable floppy DMA and Interrupt */
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#define FDO_MOEN(n) ((1 << n) * 0x10) /* motor enable */
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#define FDI_DCHG 0x80 /* diskette has been changed */
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/* XXX - find a place for these... */
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#define NE7CMD_CFG 0x13
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#define CFG_EIS 0x40
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#define CFG_EFIFO 0x20
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#define CFG_POLL 0x10
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#define CFG_THRHLD_MASK 0x0f
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#define NE7CMD_LOCK 0x14
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#define CFG_LOCK 0x80
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#define NE7CMD_MOTOR 0x0b
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#define MOTOR_ON 0x80
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#define NE7CMD_DUMPREG 0x0e
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#define NE7CMD_VERSION 0x10
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#define ST1_OVERRUN 0x10
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/* sun3x - Floppy Control Register bits */
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#define FCR_TC 0x01 /* terminal count reset */
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#define FCR_EJECT 0x02 /* eject floppy */
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#define FCR_MTRON 0x04 /* motor on */
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#define FCR_DSEL1 0x08 /* select drive 1 */
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#define FCR_DSEL0 0x10 /* select drive 0 */
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#define FCR_DSEL(drive) ((drive) ? FCR_DSEL1 : FCR_DSEL0)
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/* sun3x - Register offsets */
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#define FDC_FCR_OFFSET 0x400
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#define FDC_FVR_OFFSET 0x800
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@ -0,0 +1,125 @@
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/*
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* $NetBSD: fdvar.h,v 1.1 1997/04/09 04:49:11 jeremy Exp $
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*
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* Copyright (c) 1995 Paul Kranenburg
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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
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* 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 product includes software developed by Paul Kranenburg.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#define FDC_BSIZE 512
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#define FDC_MAXIOSIZE NBPG /* XXX should be MAXBSIZE */
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#define FDC_NSTATUS 10
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#ifndef _LOCORE
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struct fdcio {
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/*
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* 82072 (sun4c,sun3x) and 82077 (sun4m) controllers have different
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* register layout; so we cache some here.
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*/
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volatile u_int8_t *fdcio_reg_msr;
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volatile u_int8_t *fdcio_reg_fifo;
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volatile u_int8_t *fdcio_reg_dor; /* 82077 only */
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volatile u_int8_t *fdcio_reg_fcr; /* sun3x floppy control reg */
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volatile u_int8_t *fdcio_reg_fvr; /* sun3x floppy int. vector */
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/*
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* Interrupt state.
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*/
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int fdcio_istate;
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/*
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* IO state.
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*/
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char *fdcio_data; /* pseudo-dma data */
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int fdcio_tc; /* pseudo-dma Terminal Count */
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u_char fdcio_status[FDC_NSTATUS]; /* copy of registers */
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int fdcio_nstat; /* # of valid status bytes */
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/*
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* Statictics.
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*/
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struct evcnt fdcio_intrcnt;
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};
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#endif /* _LOCORE */
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/* istate values */
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#define ISTATE_IDLE 0 /* No HW interrupt expected */
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#define ISTATE_SPURIOUS 1 /* Spurious HW interrupt detected */
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#define ISTATE_SENSEI 2 /* Do SENSEI on next HW interrupt */
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#define ISTATE_DMA 3 /* Pseudo-DMA in progress */
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#define ISTATE_DONE 4 /* Interrupt processing complete */
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#define FD_MAX_NSEC 36 /* highest known number of spt - allow for */
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/* 2.88 MB drives */
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#ifndef _LOCORE
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struct ne7_fd_formb {
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int cyl, head;
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int transfer_rate; /* fdreg.h: FDC_???KBPS */
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union {
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struct fd_form_data {
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/*
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* DO NOT CHANGE THE LAYOUT OF THIS STRUCTS
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* it is hardware-dependant since it exactly
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* matches the byte sequence to write to FDC
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* during its `format track' operation
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*/
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u_char secshift; /* 0 -> 128, ...; usually 2 -> 512 */
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u_char nsecs; /* must be <= FD_MAX_NSEC */
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u_char gaplen; /* GAP 3 length; usually 84 */
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u_char fillbyte; /* usually 0xf6 */
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struct fd_idfield_data {
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/*
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* data to write into id fields;
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* for obscure formats, they mustn't match
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* the real values (but mostly do)
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*/
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u_char cylno; /* 0 thru 79 (or 39) */
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u_char headno; /* 0, or 1 */
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u_char secno; /* starting at 1! */
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u_char secsize; /* usually 2 */
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} idfields[FD_MAX_NSEC]; /* 0 <= idx < nsecs used */
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} structured;
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u_char raw[1]; /* to have continuous indexed access */
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} format_info;
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};
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/* make life easier */
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#define fd_formb_secshift format_info.structured.secshift
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#define fd_formb_nsecs format_info.structured.nsecs
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#define fd_formb_gaplen format_info.structured.gaplen
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#define fd_formb_fillbyte format_info.structured.fillbyte
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/* these data must be filled in for(i = 0; i < fd_formb_nsecs; i++) */
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#define fd_formb_cylno(i) format_info.structured.idfields[i].cylno
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#define fd_formb_headno(i) format_info.structured.idfields[i].headno
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#define fd_formb_secno(i) format_info.structured.idfields[i].secno
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#define fd_formb_secsize(i) format_info.structured.idfields[i].secsize
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#endif /* _LOCORE */
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,118 @@
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/* $NetBSD: fdreg.h,v 1.1 1997/04/09 04:49:10 jeremy Exp $ */
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/*-
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* Copyright (c) 1991 The Regents of the University of California.
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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
|
||||||
|
* 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 product includes software developed by the University of
|
||||||
|
* California, Berkeley and its contributors.
|
||||||
|
* 4. Neither the name of the University nor the names of its contributors
|
||||||
|
* may be used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
||||||
|
*
|
||||||
|
* @(#)fdreg.h 7.1 (Berkeley) 5/9/91
|
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|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* AT floppy controller registers and bitfields
|
||||||
|
*/
|
||||||
|
|
||||||
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/* uses NEC765 controller */
|
||||||
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#include <dev/ic/nec765reg.h>
|
||||||
|
|
||||||
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#ifndef _LOCORE
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||||||
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struct fdreg_77 {
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||||||
|
u_int8_t fd_statusA;
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||||||
|
u_int8_t fd_statusB;
|
||||||
|
u_int8_t fd_dor; /* Digital Output Register (R/W) */
|
||||||
|
u_int8_t fd_tdr; /* Tape Control Register (R/W) */
|
||||||
|
u_int8_t fd_msr; /* Main Status Register (R) */
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#define fd_drs fd_msr /* Data Rate Select Register (W) */
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u_int8_t fd_fifo; /* Data (FIFO) register (R/W) */
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u_int8_t fd_reserved;
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u_int8_t fd_dir; /* Digital Input Register (R) */
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||||||
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#define fd_ccr fd_dir /* Configuration Control (W) */
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||||||
|
};
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||||||
|
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||||||
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struct fdreg_72 {
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||||||
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u_int8_t fd_msr; /* Main Status Register (R) */
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||||||
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#if already_a_define
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||||||
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#define fd_drs fd_msr /* Data Rate Select Register (W) */
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#endif
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||||||
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u_int8_t fd_fifo; /* Data (FIFO) register (R/W) */
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||||||
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};
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|
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union fdreg {
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struct fdreg_72 fun72;
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||||||
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struct fdreg_77 fun77;
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};
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#endif
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||||||
|
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/* Data Select Register bits */
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#define DRS_RESET 0x80
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#define DRS_POWER 0x40
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#define DRS_PLL 0x20
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#define FDC_500KBPS 0x00 /* 500KBPS MFM drive transfer rate */
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||||||
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#define FDC_300KBPS 0x01 /* 300KBPS MFM drive transfer rate */
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||||||
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#define FDC_250KBPS 0x02 /* 250KBPS MFM drive transfer rate */
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||||||
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#define FDC_125KBPS 0x03 /* 125KBPS FM drive transfer rate */
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||||||
|
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||||||
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/* Digital Output Register bits */
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||||||
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#define FDO_FDSEL 0x03 /* floppy device select */
|
||||||
|
#define FDO_FRST 0x04 /* floppy controller reset */
|
||||||
|
#define FDO_FDMAEN 0x08 /* enable floppy DMA and Interrupt */
|
||||||
|
#define FDO_MOEN(n) ((1 << n) * 0x10) /* motor enable */
|
||||||
|
|
||||||
|
#define FDI_DCHG 0x80 /* diskette has been changed */
|
||||||
|
|
||||||
|
/* XXX - find a place for these... */
|
||||||
|
#define NE7CMD_CFG 0x13
|
||||||
|
#define CFG_EIS 0x40
|
||||||
|
#define CFG_EFIFO 0x20
|
||||||
|
#define CFG_POLL 0x10
|
||||||
|
#define CFG_THRHLD_MASK 0x0f
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||||||
|
|
||||||
|
#define NE7CMD_LOCK 0x14
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||||||
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#define CFG_LOCK 0x80
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||||||
|
|
||||||
|
#define NE7CMD_MOTOR 0x0b
|
||||||
|
#define MOTOR_ON 0x80
|
||||||
|
|
||||||
|
#define NE7CMD_DUMPREG 0x0e
|
||||||
|
#define NE7CMD_VERSION 0x10
|
||||||
|
|
||||||
|
#define ST1_OVERRUN 0x10
|
||||||
|
|
||||||
|
/* sun3x - Floppy Control Register bits */
|
||||||
|
#define FCR_TC 0x01 /* terminal count reset */
|
||||||
|
#define FCR_EJECT 0x02 /* eject floppy */
|
||||||
|
#define FCR_MTRON 0x04 /* motor on */
|
||||||
|
#define FCR_DSEL1 0x08 /* select drive 1 */
|
||||||
|
#define FCR_DSEL0 0x10 /* select drive 0 */
|
||||||
|
#define FCR_DSEL(drive) ((drive) ? FCR_DSEL1 : FCR_DSEL0)
|
||||||
|
|
||||||
|
/* sun3x - Register offsets */
|
||||||
|
#define FDC_FCR_OFFSET 0x400
|
||||||
|
#define FDC_FVR_OFFSET 0x800
|
|
@ -0,0 +1,125 @@
|
||||||
|
/*
|
||||||
|
* $NetBSD: fdvar.h,v 1.1 1997/04/09 04:49:11 jeremy Exp $
|
||||||
|
*
|
||||||
|
* Copyright (c) 1995 Paul Kranenburg
|
||||||
|
* 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 product includes software developed by Paul Kranenburg.
|
||||||
|
* 4. The name of the author may not be used to endorse or promote products
|
||||||
|
* derived from this software without specific prior written permission
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#define FDC_BSIZE 512
|
||||||
|
#define FDC_MAXIOSIZE NBPG /* XXX should be MAXBSIZE */
|
||||||
|
|
||||||
|
#define FDC_NSTATUS 10
|
||||||
|
|
||||||
|
#ifndef _LOCORE
|
||||||
|
struct fdcio {
|
||||||
|
/*
|
||||||
|
* 82072 (sun4c,sun3x) and 82077 (sun4m) controllers have different
|
||||||
|
* register layout; so we cache some here.
|
||||||
|
*/
|
||||||
|
volatile u_int8_t *fdcio_reg_msr;
|
||||||
|
volatile u_int8_t *fdcio_reg_fifo;
|
||||||
|
volatile u_int8_t *fdcio_reg_dor; /* 82077 only */
|
||||||
|
volatile u_int8_t *fdcio_reg_fcr; /* sun3x floppy control reg */
|
||||||
|
volatile u_int8_t *fdcio_reg_fvr; /* sun3x floppy int. vector */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Interrupt state.
|
||||||
|
*/
|
||||||
|
int fdcio_istate;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* IO state.
|
||||||
|
*/
|
||||||
|
char *fdcio_data; /* pseudo-dma data */
|
||||||
|
int fdcio_tc; /* pseudo-dma Terminal Count */
|
||||||
|
u_char fdcio_status[FDC_NSTATUS]; /* copy of registers */
|
||||||
|
int fdcio_nstat; /* # of valid status bytes */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Statictics.
|
||||||
|
*/
|
||||||
|
struct evcnt fdcio_intrcnt;
|
||||||
|
};
|
||||||
|
#endif /* _LOCORE */
|
||||||
|
|
||||||
|
/* istate values */
|
||||||
|
#define ISTATE_IDLE 0 /* No HW interrupt expected */
|
||||||
|
#define ISTATE_SPURIOUS 1 /* Spurious HW interrupt detected */
|
||||||
|
#define ISTATE_SENSEI 2 /* Do SENSEI on next HW interrupt */
|
||||||
|
#define ISTATE_DMA 3 /* Pseudo-DMA in progress */
|
||||||
|
#define ISTATE_DONE 4 /* Interrupt processing complete */
|
||||||
|
|
||||||
|
|
||||||
|
#define FD_MAX_NSEC 36 /* highest known number of spt - allow for */
|
||||||
|
/* 2.88 MB drives */
|
||||||
|
|
||||||
|
#ifndef _LOCORE
|
||||||
|
struct ne7_fd_formb {
|
||||||
|
int cyl, head;
|
||||||
|
int transfer_rate; /* fdreg.h: FDC_???KBPS */
|
||||||
|
|
||||||
|
union {
|
||||||
|
struct fd_form_data {
|
||||||
|
/*
|
||||||
|
* DO NOT CHANGE THE LAYOUT OF THIS STRUCTS
|
||||||
|
* it is hardware-dependant since it exactly
|
||||||
|
* matches the byte sequence to write to FDC
|
||||||
|
* during its `format track' operation
|
||||||
|
*/
|
||||||
|
u_char secshift; /* 0 -> 128, ...; usually 2 -> 512 */
|
||||||
|
u_char nsecs; /* must be <= FD_MAX_NSEC */
|
||||||
|
u_char gaplen; /* GAP 3 length; usually 84 */
|
||||||
|
u_char fillbyte; /* usually 0xf6 */
|
||||||
|
struct fd_idfield_data {
|
||||||
|
/*
|
||||||
|
* data to write into id fields;
|
||||||
|
* for obscure formats, they mustn't match
|
||||||
|
* the real values (but mostly do)
|
||||||
|
*/
|
||||||
|
u_char cylno; /* 0 thru 79 (or 39) */
|
||||||
|
u_char headno; /* 0, or 1 */
|
||||||
|
u_char secno; /* starting at 1! */
|
||||||
|
u_char secsize; /* usually 2 */
|
||||||
|
} idfields[FD_MAX_NSEC]; /* 0 <= idx < nsecs used */
|
||||||
|
} structured;
|
||||||
|
u_char raw[1]; /* to have continuous indexed access */
|
||||||
|
} format_info;
|
||||||
|
};
|
||||||
|
|
||||||
|
/* make life easier */
|
||||||
|
#define fd_formb_secshift format_info.structured.secshift
|
||||||
|
#define fd_formb_nsecs format_info.structured.nsecs
|
||||||
|
#define fd_formb_gaplen format_info.structured.gaplen
|
||||||
|
#define fd_formb_fillbyte format_info.structured.fillbyte
|
||||||
|
/* these data must be filled in for(i = 0; i < fd_formb_nsecs; i++) */
|
||||||
|
#define fd_formb_cylno(i) format_info.structured.idfields[i].cylno
|
||||||
|
#define fd_formb_headno(i) format_info.structured.idfields[i].headno
|
||||||
|
#define fd_formb_secno(i) format_info.structured.idfields[i].secno
|
||||||
|
#define fd_formb_secsize(i) format_info.structured.idfields[i].secsize
|
||||||
|
#endif /* _LOCORE */
|
Loading…
Reference in New Issue