1 /* $NetBSD: empsc.c,v 1.11 1996/10/13 03:06:54 christos 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 <scsi/scsi_all.h> 44 #include <scsi/scsiconf.h> 45 #include <amiga/amiga/custom.h> 46 #include <amiga/amiga/device.h> 47 #include <amiga/amiga/isr.h> 48 #include <amiga/dev/scireg.h> 49 #include <amiga/dev/scivar.h> 50 #include <amiga/dev/zbusvar.h> 51 52 void empscattach __P((struct device *, struct device *, void *)); 53 int empscmatch __P((struct device *, void *, void *)); 54 int empsc_intr __P((void *)); 55 56 struct scsi_adapter empsc_scsiswitch = { 57 sci_scsicmd, 58 sci_minphys, 59 0, /* no lun support */ 60 0, /* no lun support */ 61 }; 62 63 struct scsi_device empsc_scsidev = { 64 NULL, /* use default error handler */ 65 NULL, /* do not have a start functio */ 66 NULL, /* have no async handler */ 67 NULL, /* Use default done routine */ 68 }; 69 70 #ifdef DEBUG 71 extern int sci_debug; 72 #endif 73 74 extern int sci_data_wait; 75 76 struct cfattach empsc_ca = { 77 sizeof(struct sci_softc), empscmatch, empscattach 78 }; 79 80 struct cfdriver empsc_cd = { 81 NULL, "empsc", DV_DULL, NULL, 0 82 }; 83 84 /* 85 * if this is an EMPLANT board 86 */ 87 int 88 empscmatch(pdp, match, auxp) 89 struct device *pdp; 90 void *match, *auxp; 91 { 92 struct zbus_args *zap; 93 94 zap = auxp; 95 96 /* 97 * Check manufacturer and product id. 98 */ 99 if (zap->manid == 2171 && ((zap->prodid == 21)||(zap->prodid==32))) 100 return(1); 101 else 102 return(0); 103 } 104 105 void 106 empscattach(pdp, dp, auxp) 107 struct device *pdp, *dp; 108 void *auxp; 109 { 110 volatile u_char *rp; 111 struct sci_softc *sc; 112 struct zbus_args *zap; 113 114 printf("\n"); 115 116 zap = auxp; 117 118 sc = (struct sci_softc *)dp; 119 rp = zap->va + 0x5000; 120 121 sc->sci_data = rp; 122 sc->sci_odata = rp; 123 sc->sci_icmd = rp + 0x10; 124 sc->sci_mode = rp + 0x20; 125 sc->sci_tcmd = rp + 0x30; 126 sc->sci_bus_csr = rp + 0x40; 127 sc->sci_sel_enb = rp + 0x40; 128 sc->sci_csr = rp + 0x50; 129 sc->sci_dma_send = rp + 0x50; 130 sc->sci_idata = rp + 0x60; 131 sc->sci_trecv = rp + 0x60; 132 sc->sci_iack = rp + 0x70; 133 sc->sci_irecv = rp + 0x70; 134 sc->sc_isr.isr_intr = empsc_intr; 135 sc->sc_isr.isr_arg = sc; 136 sc->sc_isr.isr_ipl = 2; 137 add_isr(&sc->sc_isr); 138 139 scireset(sc); 140 141 sc->sc_link.channel = SCSI_CHANNEL_ONLY_ONE; 142 sc->sc_link.adapter_softc = sc; 143 sc->sc_link.adapter_target = 7; 144 sc->sc_link.adapter = &empsc_scsiswitch; 145 sc->sc_link.device = &empsc_scsidev; 146 sc->sc_link.openings = 1; 147 TAILQ_INIT(&sc->sc_xslist); 148 149 /* 150 * attach all scsi units on us 151 */ 152 config_found(dp, &sc->sc_link, scsiprint); 153 } 154 155 int 156 empsc_intr(arg) 157 void *arg; 158 { 159 struct sci_softc *dev = arg; 160 u_char stat; 161 162 if ((*dev->sci_csr & SCI_CSR_INT) == 0) 163 return(0); 164 stat = *dev->sci_iack; 165 /* XXXX is: something is missing here, at least a: */ 166 return(1); 167 } 168