170 lines
4.5 KiB
C
170 lines
4.5 KiB
C
/* $NetBSD: empsc.c,v 1.13 1996/12/23 09:09:58 veego Exp $ */
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/*
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* Copyright (c) 1995 Sean Riddle, Bo Najdrovsky
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* Copyright (c) 1994 Michael L. Hitch
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* Copyright (c) 1982, 1990 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
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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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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <scsi/scsi_all.h>
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#include <scsi/scsiconf.h>
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#include <amiga/amiga/custom.h>
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#include <amiga/amiga/device.h>
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#include <amiga/amiga/isr.h>
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#include <amiga/dev/scireg.h>
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#include <amiga/dev/scivar.h>
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#include <amiga/dev/zbusvar.h>
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void empscattach __P((struct device *, struct device *, void *));
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int empscmatch __P((struct device *, struct cfdata *, void *));
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int empsc_intr __P((void *));
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struct scsi_adapter empsc_scsiswitch = {
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sci_scsicmd,
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sci_minphys,
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0, /* no lun support */
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0, /* no lun support */
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};
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struct scsi_device empsc_scsidev = {
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NULL, /* use default error handler */
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NULL, /* do not have a start functio */
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NULL, /* have no async handler */
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NULL, /* Use default done routine */
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};
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#ifdef DEBUG
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extern int sci_debug;
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#endif
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extern int sci_data_wait;
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struct cfattach empsc_ca = {
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sizeof(struct sci_softc), empscmatch, empscattach
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};
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struct cfdriver empsc_cd = {
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NULL, "empsc", DV_DULL, NULL, 0
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};
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/*
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* if this is an EMPLANT board
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*/
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int
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empscmatch(pdp, cfp, auxp)
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struct device *pdp;
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struct cfdata *cfp;
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void *auxp;
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{
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struct zbus_args *zap;
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zap = auxp;
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/*
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* Check manufacturer and product id.
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*/
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if (zap->manid == 2171 && ((zap->prodid == 21)||(zap->prodid==32)))
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return(1);
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else
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return(0);
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}
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void
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empscattach(pdp, dp, auxp)
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struct device *pdp, *dp;
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void *auxp;
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{
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volatile u_char *rp;
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struct sci_softc *sc;
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struct zbus_args *zap;
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printf("\n");
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zap = auxp;
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sc = (struct sci_softc *)dp;
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rp = zap->va + 0x5000;
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sc->sci_data = rp;
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sc->sci_odata = rp;
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sc->sci_icmd = rp + 0x10;
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sc->sci_mode = rp + 0x20;
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sc->sci_tcmd = rp + 0x30;
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sc->sci_bus_csr = rp + 0x40;
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sc->sci_sel_enb = rp + 0x40;
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sc->sci_csr = rp + 0x50;
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sc->sci_dma_send = rp + 0x50;
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sc->sci_idata = rp + 0x60;
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sc->sci_trecv = rp + 0x60;
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sc->sci_iack = rp + 0x70;
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sc->sci_irecv = rp + 0x70;
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sc->sc_isr.isr_intr = empsc_intr;
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sc->sc_isr.isr_arg = sc;
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sc->sc_isr.isr_ipl = 2;
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add_isr(&sc->sc_isr);
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scireset(sc);
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sc->sc_link.channel = SCSI_CHANNEL_ONLY_ONE;
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sc->sc_link.adapter_softc = sc;
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sc->sc_link.adapter_target = 7;
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sc->sc_link.adapter = &empsc_scsiswitch;
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sc->sc_link.device = &empsc_scsidev;
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sc->sc_link.openings = 1;
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sc->sc_link.max_target = 7;
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TAILQ_INIT(&sc->sc_xslist);
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/*
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* attach all scsi units on us
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*/
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config_found(dp, &sc->sc_link, scsiprint);
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}
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int
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empsc_intr(arg)
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void *arg;
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{
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struct sci_softc *dev = arg;
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u_char stat;
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if ((*dev->sci_csr & SCI_CSR_INT) == 0)
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return(0);
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stat = *dev->sci_iack;
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/* XXXX is: something is missing here, at least a: */
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return(1);
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}
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