bc9dd935cf
Paul Kranenburg, many thanks !): the control register I/O is 4 byte long although only one is used, but the control register is at offset 2, and not 0 as expected by IC code. Use bus_space_subregion() to get a handle which points to the control register, and is one byte long.
88 lines
3.3 KiB
C
88 lines
3.3 KiB
C
/* $NetBSD: pciidevar.h,v 1.6 2001/01/12 16:04:00 bouyer Exp $ */
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/*
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* Copyright (c) 1998 Christopher G. Demetriou. 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
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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 Christopher G. Demetriou
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* for the NetBSD Project.
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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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* PCI IDE driver exported software structures.
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*
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* Author: Christopher G. Demetriou, March 2, 1998.
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*/
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#include <dev/ata/atavar.h>
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#include <dev/ic/wdcreg.h>
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#include <dev/ic/wdcvar.h>
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struct device;
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struct pciide_softc {
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struct wdc_softc sc_wdcdev; /* common wdc definitions */
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pci_chipset_tag_t sc_pc; /* PCI registers info */
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pcitag_t sc_tag;
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void *sc_pci_ih; /* PCI interrupt handle */
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int sc_dma_ok; /* bus-master DMA info */
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bus_space_tag_t sc_dma_iot;
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bus_space_handle_t sc_dma_ioh;
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bus_dma_tag_t sc_dmat;
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/* For Cypress */
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const struct cy82c693_handle *sc_cy_handle;
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int sc_cy_compatchan;
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/* Chip description */
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const struct pciide_product_desc *sc_pp;
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/* common definitions */
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struct channel_softc *wdc_chanarray[PCIIDE_NUM_CHANNELS];
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/* internal bookkeeping */
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struct pciide_channel { /* per-channel data */
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struct channel_softc wdc_channel; /* generic part */
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char *name;
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int hw_ok; /* hardware mapped & OK? */
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int compat; /* is it compat? */
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void *ih; /* compat or pci handle */
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bus_space_handle_t ctl_baseioh; /* ctrl regs blk, native mode */
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/* DMA tables and DMA map for xfer, for each drive */
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struct pciide_dma_maps {
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bus_dmamap_t dmamap_table;
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struct idedma_table *dma_table;
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bus_dmamap_t dmamap_xfer;
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int dma_flags;
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} dma_maps[2];
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} pciide_channels[PCIIDE_NUM_CHANNELS];
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};
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/*
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* Functions defined by machine-dependent code.
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*/
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/* Attach compat interrupt handler, returning handle or NULL if failed. */
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void *pciide_machdep_compat_intr_establish __P((struct device *,
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struct pci_attach_args *, int, int (*)(void *), void *));
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