143 lines
5.5 KiB
C
143 lines
5.5 KiB
C
/* $NetBSD: fdcvar.h,v 1.2 2003/08/07 16:26:50 agc Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Charles M. Hannum.
|
|
*
|
|
* 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 NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c) 1990 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Don Ahn.
|
|
*
|
|
* 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. 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.
|
|
*
|
|
* @(#)fd.c 7.4 (Berkeley) 5/25/91
|
|
*/
|
|
|
|
/*
|
|
* Floppy formatting facilities merged from FreeBSD fd.c driver:
|
|
* Id: fd.c,v 1.53 1995/03/12 22:40:56 joerg Exp
|
|
* which carries the same copyright/redistribution notice as shown above with
|
|
* the addition of the following statement before the "Redistribution and
|
|
* use ..." clause:
|
|
*
|
|
* Copyright (c) 1993, 1994 by
|
|
* jc@irbs.UUCP (John Capo)
|
|
* vak@zebub.msk.su (Serge Vakulenko)
|
|
* ache@astral.msk.su (Andrew A. Chernov)
|
|
*
|
|
* Copyright (c) 1993, 1994, 1995 by
|
|
* joerg_wunsch@uriah.sax.de (Joerg Wunsch)
|
|
* dufault@hda.com (Peter Dufault)
|
|
*/
|
|
|
|
enum fdc_state {
|
|
DEVIDLE = 0,
|
|
MOTORWAIT,
|
|
DOSEEK,
|
|
SEEKWAIT,
|
|
SEEKTIMEDOUT,
|
|
SEEKCOMPLETE,
|
|
DOIO,
|
|
IOCOMPLETE,
|
|
IOTIMEDOUT,
|
|
DORESET,
|
|
RESETCOMPLETE,
|
|
RESETTIMEDOUT,
|
|
DORECAL,
|
|
RECALWAIT,
|
|
RECALTIMEDOUT,
|
|
RECALCOMPLETE,
|
|
};
|
|
|
|
/* software state, per controller */
|
|
struct fdc_softc {
|
|
struct device sc_dev; /* boilerplate */
|
|
void *sc_ih;
|
|
|
|
bus_space_tag_t sc_iot; /* I/O space identifier */
|
|
bus_space_handle_t sc_ioh; /* I/O handle */
|
|
|
|
struct callout sc_timo_ch; /* timeout callout */
|
|
struct callout sc_intr_ch; /* pseudo-intr callout */
|
|
|
|
bus_size_t sc_maxiosize;
|
|
|
|
struct fd_softc *sc_fd[4]; /* pointers to children */
|
|
TAILQ_HEAD(drivehead, fd_softc) sc_drives;
|
|
enum fdc_state sc_state;
|
|
int sc_errors; /* number of retries so far */
|
|
u_char sc_status[7]; /* copy of registers */
|
|
|
|
/* DMA functions set from MD code */
|
|
void (*sc_dma_start)(struct fdc_softc *, caddr_t, size_t, int);
|
|
void (*sc_dma_abort)(struct fdc_softc *);
|
|
void (*sc_dma_done)(struct fdc_softc *);
|
|
};
|
|
|
|
#define FDCDMA_START(fdc, addr, len, datain) \
|
|
(*(fdc)->sc_dma_start)(fdc, addr, len, datain)
|
|
#define FDCDMA_ABORT(fdc) (*(fdc)->sc_dma_abort)(fdc)
|
|
#define FDCDMA_DONE(fdc) (*(fdc)->sc_dma_done)(fdc)
|
|
|
|
int out_fdc(bus_space_tag_t iot, bus_space_handle_t ioh, u_char x);
|
|
|
|
void fdcattach(struct fdc_softc *);
|
|
int fdcintr(void *);
|