aab5efa574
space handles to describe the task file registers, aux register, 16 bit data register and 32 bit data register. The wdc softc structure has been moved to a separate file. Added support for multiple attachments by separating the core of the probe and attach functions from the mainbus probe and attach routines. Added a new wdc flags 32_BIT so that the wd can determine 32 bit xfer support from the wdc device.
74 lines
3.3 KiB
C
74 lines
3.3 KiB
C
/* $NetBSD: wdcvar.h,v 1.1 1997/02/04 02:04:51 mark 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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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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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 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
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* without specific prior written permission.
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*
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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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* @(#)wdreg.h 7.1 (Berkeley) 5/9/91
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*/
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struct wdc_softc {
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struct device sc_dev;
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void *sc_ih;
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bus_space_tag_t sc_iot; /* Bus space tag */
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bus_space_handle_t sc_ioh; /* handle for drive registers */
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bus_space_handle_t sc_auxioh; /* handle for aux register */
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bus_space_handle_t sc_dataioh; /* handle for 16 bit data */
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bus_space_handle_t sc_data32ioh;/* handle for 32 bit data */
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void (*sc_inten)(struct wdc_softc *, int);
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int sc_drq; /* DMA channel */
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TAILQ_HEAD(drivehead, wd_softc) sc_drives;
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int sc_flags;
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#define WDCF_ACTIVE 0x01 /* controller is active */
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#define WDCF_SINGLE 0x02 /* sector at a time mode */
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#define WDCF_ERROR 0x04 /* processing a disk error */
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#define WDCF_WANTED 0x08 /* XXX locking for wd_get_parms() */
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#define WDCF_QUIET 0x10 /* Be quiet about errors */
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#define WDCF_32BIT 0x20 /* Use 32bit xfers */
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int sc_errors; /* errors during current transfer */
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u_char sc_status; /* copy of status register */
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u_char sc_error; /* copy of error register */
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};
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int wdcprobe_internal __P((bus_space_tag_t iot, bus_space_handle_t ioh,
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bus_space_handle_t aux_ioh, bus_space_handle_t data_ioh,
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bus_space_handle_t data32_ioh, char *name));
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void wdcattach_internal __P((struct wdc_softc *wdc, bus_space_tag_t iot, bus_space_handle_t ioh,
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bus_space_handle_t aux_ioh, bus_space_handle_t data_ioh,
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bus_space_handle_t data32_ioh, int drq));
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