1 /* $NetBSD: empsc.c,v 1.20 2001/04/25 17:53:07 bouyer Exp $ */ 2 3 /* 4 5 * Copyright (c) 1995 Sean Riddle, Bo Najdrovsky 6 * Copyright (c) 1994 Michael L. Hitch 7 * Copyright (c) 1982, 1990 The Regents of the University of California. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 */ 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/device.h> 43 #include <dev/scsipi/scsi_all.h> 44 #include <dev/scsipi/scsipi_all.h> 45 #include <dev/scsipi/scsiconf.h> 46 #include <amiga/amiga/custom.h> 47 #include <amiga/amiga/device.h> 48 #include <amiga/amiga/isr.h> 49 #include <amiga/dev/scireg.h> 50 #include <amiga/dev/scivar.h> 51 #include <amiga/dev/zbusvar.h> 52 53 void empscattach __P((struct device *, struct device *, void *)); 54 int empscmatch __P((struct device *, struct cfdata *, void *)); 55 int empsc_intr __P((void *)); 56 57 #ifdef DEBUG 58 extern int sci_debug; 59 #endif 60 61 extern int sci_data_wait; 62 63 struct cfattach empsc_ca = { 64 sizeof(struct sci_softc), empscmatch, empscattach 65 }; 66 67 /* 68 * if this is an EMPLANT board 69 */ 70 int 71 empscmatch(pdp, cfp, auxp) 72 struct device *pdp; 73 struct cfdata *cfp; 74 void *auxp; 75 { 76 struct zbus_args *zap; 77 78 zap = auxp; 79 80 /* 81 * Check manufacturer and product id. 82 */ 83 if (zap->manid == 2171 && ((zap->prodid == 21)||(zap->prodid==32))) 84 return(1); 85 else 86 return(0); 87 } 88 89 void 90 empscattach(pdp, dp, auxp) 91 struct device *pdp, *dp; 92 void *auxp; 93 { 94 volatile u_char *rp; 95 struct sci_softc *sc = (struct sci_softc *)dp; 96 struct zbus_args *zap; 97 struct scsipi_adapter *adapt = &sc->sc_adapter; 98 struct scsipi_channel *chan = &sc->sc_channel; 99 100 printf("\n"); 101 102 zap = auxp; 103 104 rp = (u_char *)zap->va + 0x5000; 105 106 sc->sci_data = rp; 107 sc->sci_odata = rp; 108 sc->sci_icmd = rp + 0x10; 109 sc->sci_mode = rp + 0x20; 110 sc->sci_tcmd = rp + 0x30; 111 sc->sci_bus_csr = rp + 0x40; 112 sc->sci_sel_enb = rp + 0x40; 113 sc->sci_csr = rp + 0x50; 114 sc->sci_dma_send = rp + 0x50; 115 sc->sci_idata = rp + 0x60; 116 sc->sci_trecv = rp + 0x60; 117 sc->sci_iack = rp + 0x70; 118 sc->sci_irecv = rp + 0x70; 119 sc->sc_isr.isr_intr = empsc_intr; 120 sc->sc_isr.isr_arg = sc; 121 sc->sc_isr.isr_ipl = 2; 122 add_isr(&sc->sc_isr); 123 124 scireset(sc); 125 126 /* 127 * Fill in the scsipi_adapter. 128 */ 129 memset(adapt, 0, sizeof(*adapt)); 130 adapt->adapt_dev = &sc->sc_dev; 131 adapt->adapt_nchannels = 1; 132 adapt->adapt_openings = 7; 133 adapt->adapt_max_periph = 1; 134 adapt->adapt_request = sci_scsipi_request; 135 adapt->adapt_minphys = sci_minphys; 136 137 /* 138 * Fill in the scsipi_channel. 139 */ 140 memset(chan, 0, sizeof(*chan)); 141 chan->chan_adapter = adapt; 142 chan->chan_bustype = &scsi_bustype; 143 chan->chan_channel = 0; 144 chan->chan_ntargets = 8; 145 chan->chan_nluns = 8; 146 chan->chan_id = 7; 147 148 /* 149 * attach all scsi units on us 150 */ 151 config_found(dp, chan, scsiprint); 152 } 153 154 int 155 empsc_intr(arg) 156 void *arg; 157 { 158 struct sci_softc *dev = arg; 159 u_char stat; 160 161 if ((*dev->sci_csr & SCI_CSR_INT) == 0) 162 return(0); 163 stat = *dev->sci_iack; 164 /* XXXX is: something is missing here, at least a: */ 165 return(1); 166 } 167