/*      $NetBSD: empsc.c,v 1.30 2021/08/07 16:18:41 thorpej Exp $ */

/*
* 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. 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.
*
*/

/*

* Copyright (c) 1995 Sean Riddle, Bo Najdrovsky
* Copyright (c) 1994 Michael L. Hitch
*
* 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: empsc.c,v 1.30 2021/08/07 16:18:41 thorpej Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/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(device_t, device_t, void *);
int empscmatch(device_t, cfdata_t, void *);
int empsc_intr(void *);

#ifdef DEBUG
extern int sci_debug;
#endif

extern int sci_data_wait;

CFATTACH_DECL_NEW(empsc, sizeof(struct sci_softc),
   empscmatch, empscattach, NULL, NULL);

/*
* if this is an EMPLANT board
*/
int
empscmatch(device_t parent, cfdata_t cf, void *aux)
{
       struct zbus_args *zap;

       zap = aux;

       /*
        * Check manufacturer and product id.
        */
       if (zap->manid == 2171 && ((zap->prodid == 21)||(zap->prodid==32)))
               return(1);
       else
               return(0);
}

void
empscattach(device_t parent, device_t self, void *aux)
{
       volatile u_char *rp;
       struct sci_softc *sc = device_private(self);
       struct zbus_args *zap;
       struct scsipi_adapter *adapt = &sc->sc_adapter;
       struct scsipi_channel *chan = &sc->sc_channel;

       printf("\n");

       zap = aux;

       rp = (u_char *)zap->va + 0x5000;

       sc->sc_dev = self;
       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);

       /*
        * Fill in the scsipi_adapter.
        */
       memset(adapt, 0, sizeof(*adapt));
       adapt->adapt_dev = self;
       adapt->adapt_nchannels = 1;
       adapt->adapt_openings = 7;
       adapt->adapt_max_periph = 1;
       adapt->adapt_request = sci_scsipi_request;
       adapt->adapt_minphys = sci_minphys;

       /*
        * Fill in the scsipi_channel.
        */
       memset(chan, 0, sizeof(*chan));
       chan->chan_adapter = adapt;
       chan->chan_bustype = &scsi_bustype;
       chan->chan_channel = 0;
       chan->chan_ntargets = 8;
       chan->chan_nluns = 8;
       chan->chan_id = 7;

       /*
        * attach all scsi units on us
        */
       config_found(self, chan, scsiprint, CFARGS_NONE);
}

int
empsc_intr(void *arg)
{
       struct sci_softc *dev = arg;
       u_char stat;

       if ((*dev->sci_csr & SCI_CSR_INT) == 0)
               return(0);
       stat = *dev->sci_iack;
       __USE(stat);
       /* XXXX is: something is missing here, at least a: */
       return(1);
}