1 /* $NetBSD: empsc.c,v 1.14 1997/08/27 11:23:07 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 struct scsipi_adapter empsc_scsiswitch = { 58 sci_scsicmd, 59 sci_minphys, 60 0, /* no lun support */ 61 0, /* no lun support */ 62 }; 63 64 struct scsipi_device empsc_scsidev = { 65 NULL, /* use default error handler */ 66 NULL, /* do not have a start functio */ 67 NULL, /* have no async handler */ 68 NULL, /* Use default done routine */ 69 }; 70 71 #ifdef DEBUG 72 extern int sci_debug; 73 #endif 74 75 extern int sci_data_wait; 76 77 struct cfattach empsc_ca = { 78 sizeof(struct sci_softc), empscmatch, empscattach 79 }; 80 81 struct cfdriver empsc_cd = { 82 NULL, "empsc", DV_DULL, NULL, 0 83 }; 84 85 /* 86 * if this is an EMPLANT board 87 */ 88 int 89 empscmatch(pdp, cfp, auxp) 90 struct device *pdp; 91 struct cfdata *cfp; 92 void *auxp; 93 { 94 struct zbus_args *zap; 95 96 zap = auxp; 97 98 /* 99 * Check manufacturer and product id. 100 */ 101 if (zap->manid == 2171 && ((zap->prodid == 21)||(zap->prodid==32))) 102 return(1); 103 else 104 return(0); 105 } 106 107 void 108 empscattach(pdp, dp, auxp) 109 struct device *pdp, *dp; 110 void *auxp; 111 { 112 volatile u_char *rp; 113 struct sci_softc *sc; 114 struct zbus_args *zap; 115 116 printf("\n"); 117 118 zap = auxp; 119 120 sc = (struct sci_softc *)dp; 121 rp = zap->va + 0x5000; 122 123 sc->sci_data = rp; 124 sc->sci_odata = rp; 125 sc->sci_icmd = rp + 0x10; 126 sc->sci_mode = rp + 0x20; 127 sc->sci_tcmd = rp + 0x30; 128 sc->sci_bus_csr = rp + 0x40; 129 sc->sci_sel_enb = rp + 0x40; 130 sc->sci_csr = rp + 0x50; 131 sc->sci_dma_send = rp + 0x50; 132 sc->sci_idata = rp + 0x60; 133 sc->sci_trecv = rp + 0x60; 134 sc->sci_iack = rp + 0x70; 135 sc->sci_irecv = rp + 0x70; 136 sc->sc_isr.isr_intr = empsc_intr; 137 sc->sc_isr.isr_arg = sc; 138 sc->sc_isr.isr_ipl = 2; 139 add_isr(&sc->sc_isr); 140 141 scireset(sc); 142 143 sc->sc_link.scsipi_scsi.channel = SCSI_CHANNEL_ONLY_ONE; 144 sc->sc_link.adapter_softc = sc; 145 sc->sc_link.scsipi_scsi.adapter_target = 7; 146 sc->sc_link.adapter = &empsc_scsiswitch; 147 sc->sc_link.device = &empsc_scsidev; 148 sc->sc_link.openings = 1; 149 sc->sc_link.scsipi_scsi.max_target = 7; 150 sc->sc_link.type = BUS_SCSI; 151 TAILQ_INIT(&sc->sc_xslist); 152 153 /* 154 * attach all scsi units on us 155 */ 156 config_found(dp, &sc->sc_link, scsiprint); 157 } 158 159 int 160 empsc_intr(arg) 161 void *arg; 162 { 163 struct sci_softc *dev = arg; 164 u_char stat; 165 166 if ((*dev->sci_csr & SCI_CSR_INT) == 0) 167 return(0); 168 stat = *dev->sci_iack; 169 /* XXXX is: something is missing here, at least a: */ 170 return(1); 171 } 172