NetBSD/sys/dev/mca/aha_mca.c

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/* $NetBSD: aha_mca.c,v 1.3 2001/04/23 06:10:08 jdolecek Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* Copyright (c) 1996-1999 Scott D. Telford.
* Copyright (c) 1994, 1996 Charles M. Hannum. All rights reserved.
* Portions:
*
* 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 Charles M. Hannum.
* 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.
*/
/*
* Originally written by Julian Elischer (julian@tfs.com)
* for TRW Financial Systems for use under the MACH(2.5) operating system.
*
* TRW Financial Systems, in accordance with their agreement with Carnegie
* Mellon University, makes this software available to CMU to distribute
* or use in any manner that they see fit as long as this message is kept with
* the software. For this reason TFS also grants any other persons or
* organisations permission to use or modify this software.
*
* TFS supplies this software to be publicly redistributed
* on the understanding that TFS is not responsible for the correct
* functioning of this software in any circumstances.
*/
/*
* AHA-1640 MCA bus code by Scott Telford
*/
#include <sys/param.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include <dev/isa/isavar.h>
#include <dev/isa/isadmavar.h>
#include <dev/ic/ahareg.h>
#include <dev/ic/ahavar.h>
#include <dev/mca/mcareg.h>
#include <dev/mca/mcavar.h>
#include <dev/mca/mcadevs.h>
#define AHA_ISA_IOSIZE 4
int aha_mca_probe __P((struct device *, struct cfdata *, void *));
void aha_mca_attach __P((struct device *, struct device *, void *));
struct cfattach aha_mca_ca = {
sizeof(struct aha_softc), aha_mca_probe, aha_mca_attach
};
int
aha_mca_probe(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
register struct mca_attach_args *ma = aux;
switch(ma->ma_id) {
case MCA_PRODUCT_AHA1640:
return 1;
}
return 0;
}
/*
* Attach all the sub-devices we can find
*/
void
aha_mca_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct mca_attach_args *ma = aux;
struct aha_softc *sc = (void *)self;
bus_space_tag_t iot = ma->ma_iot;
bus_space_handle_t ioh;
struct aha_probe_data apd;
mca_chipset_tag_t mc = ma->ma_mc;
bus_addr_t iobase;
apd.sc_irq=(ma->ma_pos[4] & 0x7) + 8;
apd.sc_drq=ma->ma_pos[5] & 0xf;
apd.sc_scsi_dev=(ma->ma_pos[4] & 0xe0) >> 5;
printf(" slot %d irq %d: Adaptec AHA-1640 SCSI Adapter\n",
ma->ma_slot + 1,
apd.sc_irq);
iobase=((ma->ma_pos[3] & 0x03) << 8) + 0x30 +
((ma->ma_pos[3] & 0x40) >> 4);
if (bus_space_map(iot, iobase, AHA_ISA_IOSIZE, 0, &ioh)) {
printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
return;
}
sc->sc_iot = iot;
sc->sc_ioh = ioh;
sc->sc_dmat = ma->ma_dmat;
#ifdef notyet
if (apd.sc_drq != -1)
isa_dmacascade(mc, apd.sc_drq);
#endif
sc->sc_ih = mca_intr_establish(mc, apd.sc_irq, IPL_BIO, aha_intr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n",
sc->sc_dev.dv_xname);
return;
}
aha_attach(sc, &apd);
}