sys/arch/amiga/dev/empsc.c

   1 /*      $NetBSD: empsc.c,v 1.24.6.3 2004/09/21 13:12:26 skrll Exp $ */
   2
   3 /*
   4  * Copyright (c) 1982, 1990 The Regents of the University of California.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  */
  32
  33 /*
  34
  35  * Copyright (c) 1995 Sean Riddle, Bo Najdrovsky
  36  * Copyright (c) 1994 Michael L. Hitch
  37  *
  38  * Redistribution and use in source and binary forms, with or without
  39  * modification, are permitted provided that the following conditions
  40  * are met:
  41  * 1. Redistributions of source code must retain the above copyright
  42  *    notice, this list of conditions and the following disclaimer.
  43  * 2. Redistributions in binary form must reproduce the above copyright
  44  *    notice, this list of conditions and the following disclaimer in the
  45  *    documentation and/or other materials provided with the distribution.
  46  * 3. All advertising materials mentioning features or use of this software
  47  *    must display the following acknowledgement:
  48  *      This product includes software developed by the University of
  49  *      California, Berkeley and its contributors.
  50  * 4. Neither the name of the University nor the names of its contributors
  51  *    may be used to endorse or promote products derived from this software
  52  *    without specific prior written permission.
  53  *
  54  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  55  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  56  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  57  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  58  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  59  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  60  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  61  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  62  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  63  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  64  * SUCH DAMAGE.
  65  *
  66  */
  67
  68 #include <sys/cdefs.h>
  69 __KERNEL_RCSID(0, "$NetBSD: empsc.c,v 1.24.6.3 2004/09/21 13:12:26 skrll Exp $");
  70
  71 #include <sys/param.h>
  72 #include <sys/systm.h>
  73 #include <sys/kernel.h>
  74 #include <sys/device.h>
  75 #include <dev/scsipi/scsi_all.h>
  76 #include <dev/scsipi/scsipi_all.h>
  77 #include <dev/scsipi/scsiconf.h>
  78 #include <amiga/amiga/custom.h>
  79 #include <amiga/amiga/device.h>
  80 #include <amiga/amiga/isr.h>
  81 #include <amiga/dev/scireg.h>
  82 #include <amiga/dev/scivar.h>
  83 #include <amiga/dev/zbusvar.h>
  84
  85 void empscattach(struct device *, struct device *, void *);
  86 int empscmatch(struct device *, struct cfdata *, void *);
  87 int empsc_intr(void *);
  88
  89 #ifdef DEBUG
  90 extern int sci_debug;
  91 #endif
  92
  93 extern int sci_data_wait;
  94
  95 CFATTACH_DECL(empsc, sizeof(struct sci_softc),
  96     empscmatch, empscattach, NULL, NULL);
  97
  98 /*
  99  * if this is an EMPLANT board
 100  */
 101 int
 102 empscmatch(struct device *pdp, struct cfdata *cfp, void *auxp)
 103 {
 104         struct zbus_args *zap;
 105
 106         zap = auxp;
 107
 108         /*
 109          * Check manufacturer and product id.
 110          */
 111         if (zap->manid == 2171 && ((zap->prodid == 21)||(zap->prodid==32)))
 112                 return(1);
 113         else
 114                 return(0);
 115 }
 116
 117 void
 118 empscattach(struct device *pdp, struct device *dp, void *auxp)
 119 {
 120         volatile u_char *rp;
 121         struct sci_softc *sc = (struct sci_softc *)dp;
 122         struct zbus_args *zap;
 123         struct scsipi_adapter *adapt = &sc->sc_adapter;
 124         struct scsipi_channel *chan = &sc->sc_channel;
 125
 126         printf("\n");
 127
 128         zap = auxp;
 129
 130         rp = (u_char *)zap->va + 0x5000;
 131
 132         sc->sci_data = rp;
 133         sc->sci_odata = rp;
 134         sc->sci_icmd = rp + 0x10;
 135         sc->sci_mode = rp + 0x20;
 136         sc->sci_tcmd = rp + 0x30;
 137         sc->sci_bus_csr = rp + 0x40;
 138         sc->sci_sel_enb = rp + 0x40;
 139         sc->sci_csr = rp + 0x50;
 140         sc->sci_dma_send = rp + 0x50;
 141         sc->sci_idata = rp + 0x60;
 142         sc->sci_trecv = rp + 0x60;
 143         sc->sci_iack = rp + 0x70;
 144         sc->sci_irecv = rp + 0x70;
 145         sc->sc_isr.isr_intr = empsc_intr;
 146         sc->sc_isr.isr_arg = sc;
 147         sc->sc_isr.isr_ipl = 2;
 148         add_isr(&sc->sc_isr);
 149
 150         scireset(sc);
 151
 152         /*
 153          * Fill in the scsipi_adapter.
 154          */
 155         memset(adapt, 0, sizeof(*adapt));
 156         adapt->adapt_dev = &sc->sc_dev;
 157         adapt->adapt_nchannels = 1;
 158         adapt->adapt_openings = 7;
 159         adapt->adapt_max_periph = 1;
 160         adapt->adapt_request = sci_scsipi_request;
 161         adapt->adapt_minphys = sci_minphys;
 162
 163         /*
 164          * Fill in the scsipi_channel.
 165          */
 166         memset(chan, 0, sizeof(*chan));
 167         chan->chan_adapter = adapt;
 168         chan->chan_bustype = &scsi_bustype;
 169         chan->chan_channel = 0;
 170         chan->chan_ntargets = 8;
 171         chan->chan_nluns = 8;
 172         chan->chan_id = 7;
 173
 174         /*
 175          * attach all scsi units on us
 176          */
 177         config_found(dp, chan, scsiprint);
 178 }
 179
 180 int
 181 empsc_intr(void *arg)
 182 {
 183         struct sci_softc *dev = arg;
 184         u_char stat;
 185
 186         if ((*dev->sci_csr & SCI_CSR_INT) == 0)
 187                 return(0);
 188         stat = *dev->sci_iack;
 189         /* XXXX is: something is missing here, at least a: */
 190         return(1);
 191 }