1 /* $NetBSD: empsc.c,v 1.19 1999/01/10 13:35:39 tron 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_device empsc_scsidev = { 58 NULL, /* use default error handler */ 59 NULL, /* do not have a start functio */ 60 NULL, /* have no async handler */ 61 NULL, /* Use default done routine */ 62 }; 63 64 #ifdef DEBUG 65 extern int sci_debug; 66 #endif 67 68 extern int sci_data_wait; 69 70 struct cfattach empsc_ca = { 71 sizeof(struct sci_softc), empscmatch, empscattach 72 }; 73 74 /* 75 * if this is an EMPLANT board 76 */ 77 int 78 empscmatch(pdp, cfp, auxp) 79 struct device *pdp; 80 struct cfdata *cfp; 81 void *auxp; 82 { 83 struct zbus_args *zap; 84 85 zap = auxp; 86 87 /* 88 * Check manufacturer and product id. 89 */ 90 if (zap->manid == 2171 && ((zap->prodid == 21)||(zap->prodid==32))) 91 return(1); 92 else 93 return(0); 94 } 95 96 void 97 empscattach(pdp, dp, auxp) 98 struct device *pdp, *dp; 99 void *auxp; 100 { 101 volatile u_char *rp; 102 struct sci_softc *sc; 103 struct zbus_args *zap; 104 105 printf("\n"); 106 107 zap = auxp; 108 109 sc = (struct sci_softc *)dp; 110 rp = (u_char *)zap->va + 0x5000; 111 112 sc->sci_data = rp; 113 sc->sci_odata = rp; 114 sc->sci_icmd = rp + 0x10; 115 sc->sci_mode = rp + 0x20; 116 sc->sci_tcmd = rp + 0x30; 117 sc->sci_bus_csr = rp + 0x40; 118 sc->sci_sel_enb = rp + 0x40; 119 sc->sci_csr = rp + 0x50; 120 sc->sci_dma_send = rp + 0x50; 121 sc->sci_idata = rp + 0x60; 122 sc->sci_trecv = rp + 0x60; 123 sc->sci_iack = rp + 0x70; 124 sc->sci_irecv = rp + 0x70; 125 sc->sc_isr.isr_intr = empsc_intr; 126 sc->sc_isr.isr_arg = sc; 127 sc->sc_isr.isr_ipl = 2; 128 add_isr(&sc->sc_isr); 129 130 scireset(sc); 131 132 sc->sc_adapter.scsipi_cmd = sci_scsicmd; 133 sc->sc_adapter.scsipi_minphys = sci_minphys; 134 135 sc->sc_link.scsipi_scsi.channel = SCSI_CHANNEL_ONLY_ONE; 136 sc->sc_link.adapter_softc = sc; 137 sc->sc_link.scsipi_scsi.adapter_target = 7; 138 sc->sc_link.adapter = &sc->sc_adapter; 139 sc->sc_link.device = &empsc_scsidev; 140 sc->sc_link.openings = 1; 141 sc->sc_link.scsipi_scsi.max_target = 7; 142 sc->sc_link.scsipi_scsi.max_lun = 7; 143 sc->sc_link.type = BUS_SCSI; 144 TAILQ_INIT(&sc->sc_xslist); 145 146 /* 147 * attach all scsi units on us 148 */ 149 config_found(dp, &sc->sc_link, scsiprint); 150 } 151 152 int 153 empsc_intr(arg) 154 void *arg; 155 { 156 struct sci_softc *dev = arg; 157 u_char stat; 158 159 if ((*dev->sci_csr & SCI_CSR_INT) == 0) 160 return(0); 161 stat = *dev->sci_iack; 162 /* XXXX is: something is missing here, at least a: */ 163 return(1); 164 } 165