NetBSD/sys/arch/amiga/dev/empsc.c

169 lines
4.5 KiB
C

/* $NetBSD: empsc.c,v 1.12 1996/12/10 21:27:22 thorpej Exp $ */
/*
* Copyright (c) 1995 Sean Riddle, Bo Najdrovsky
* Copyright (c) 1994 Michael L. Hitch
* Copyright (c) 1982, 1990 The Regents of the University of California.
* All rights reserved.
*
* 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 University of
* California, Berkeley and its contributors.
* 4. 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.
*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <amiga/amiga/custom.h>
#include <amiga/amiga/device.h>
#include <amiga/amiga/isr.h>
#include <amiga/dev/scireg.h>
#include <amiga/dev/scivar.h>
#include <amiga/dev/zbusvar.h>
void empscattach __P((struct device *, struct device *, void *));
int empscmatch __P((struct device *, void *, void *));
int empsc_intr __P((void *));
struct scsi_adapter empsc_scsiswitch = {
sci_scsicmd,
sci_minphys,
0, /* no lun support */
0, /* no lun support */
};
struct scsi_device empsc_scsidev = {
NULL, /* use default error handler */
NULL, /* do not have a start functio */
NULL, /* have no async handler */
NULL, /* Use default done routine */
};
#ifdef DEBUG
extern int sci_debug;
#endif
extern int sci_data_wait;
struct cfattach empsc_ca = {
sizeof(struct sci_softc), empscmatch, empscattach
};
struct cfdriver empsc_cd = {
NULL, "empsc", DV_DULL, NULL, 0
};
/*
* if this is an EMPLANT board
*/
int
empscmatch(pdp, match, auxp)
struct device *pdp;
void *match, *auxp;
{
struct zbus_args *zap;
zap = auxp;
/*
* Check manufacturer and product id.
*/
if (zap->manid == 2171 && ((zap->prodid == 21)||(zap->prodid==32)))
return(1);
else
return(0);
}
void
empscattach(pdp, dp, auxp)
struct device *pdp, *dp;
void *auxp;
{
volatile u_char *rp;
struct sci_softc *sc;
struct zbus_args *zap;
printf("\n");
zap = auxp;
sc = (struct sci_softc *)dp;
rp = zap->va + 0x5000;
sc->sci_data = rp;
sc->sci_odata = rp;
sc->sci_icmd = rp + 0x10;
sc->sci_mode = rp + 0x20;
sc->sci_tcmd = rp + 0x30;
sc->sci_bus_csr = rp + 0x40;
sc->sci_sel_enb = rp + 0x40;
sc->sci_csr = rp + 0x50;
sc->sci_dma_send = rp + 0x50;
sc->sci_idata = rp + 0x60;
sc->sci_trecv = rp + 0x60;
sc->sci_iack = rp + 0x70;
sc->sci_irecv = rp + 0x70;
sc->sc_isr.isr_intr = empsc_intr;
sc->sc_isr.isr_arg = sc;
sc->sc_isr.isr_ipl = 2;
add_isr(&sc->sc_isr);
scireset(sc);
sc->sc_link.channel = SCSI_CHANNEL_ONLY_ONE;
sc->sc_link.adapter_softc = sc;
sc->sc_link.adapter_target = 7;
sc->sc_link.adapter = &empsc_scsiswitch;
sc->sc_link.device = &empsc_scsidev;
sc->sc_link.openings = 1;
sc->sc_link.max_target = 7;
TAILQ_INIT(&sc->sc_xslist);
/*
* attach all scsi units on us
*/
config_found(dp, &sc->sc_link, scsiprint);
}
int
empsc_intr(arg)
void *arg;
{
struct sci_softc *dev = arg;
u_char stat;
if ((*dev->sci_csr & SCI_CSR_INT) == 0)
return(0);
stat = *dev->sci_iack;
/* XXXX is: something is missing here, at least a: */
return(1);
}