1 /* $NetBSD: ivsc.c,v 1.6 1994/12/01 17:25:24 chopps Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Michael L. Hitch 5 * Copyright (c) 1982, 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)ivsdma.c 37 */ 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/device.h> 42 #include <vm/vm.h> /* XXXX Kludge for IVS Vector - mlh */ 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/dev/scireg.h> 48 #include <amiga/dev/scivar.h> 49 #include <amiga/dev/ztwobusvar.h> 50 51 int ivscprint __P((void *auxp, char *)); 52 void ivscattach __P((struct device *, struct device *, void *)); 53 int ivscmatch __P((struct device *, struct cfdata *, void *)); 54 55 int ivsc_intr __P((void)); 56 #ifdef notyet 57 int ivsc_dma_xfer_in __P((struct sci_softc *dev, int len, 58 register u_char *buf, int phase)); 59 int ivsc_dma_xfer_out __P((struct sci_softc *dev, int len, 60 register u_char *buf, int phase)); 61 #endif 62 63 struct scsi_adapter ivsc_scsiswitch = { 64 sci_scsicmd, 65 sci_minphys, 66 0, /* no lun support */ 67 0, /* no lun support */ 68 sci_adinfo, 69 "ivsc", 70 }; 71 72 struct scsi_device ivsc_scsidev = { 73 NULL, /* use default error handler */ 74 NULL, /* do not have a start functio */ 75 NULL, /* have no async handler */ 76 NULL, /* Use default done routine */ 77 "ivsc", 78 0, 79 }; 80 81 #define QPRINTF 82 83 #ifdef DEBUG 84 extern int sci_debug; 85 #endif 86 87 extern int sci_data_wait; 88 89 struct cfdriver ivsccd = { 90 NULL, "ivsc", (cfmatch_t)ivscmatch, ivscattach, 91 DV_DULL, sizeof(struct sci_softc), NULL, 0 }; 92 93 /* 94 * if this is an IVS board 95 */ 96 int 97 ivscmatch(pdp, cdp, auxp) 98 struct device *pdp; 99 struct cfdata *cdp; 100 void *auxp; 101 { 102 struct ztwobus_args *zap; 103 104 zap = auxp; 105 106 /* 107 * Check manufacturer and product id. 108 */ 109 if (zap->manid != 2112 || /* If manufacturer is IVS */ 110 (zap->prodid != 52 && /* product = Trumpcard */ 111 zap->prodid != 243)) /* product = Vector SCSI */ 112 return(0); /* didn't match */ 113 if (zap->prodid == 243) { 114 /* 115 * XXXX Ouch! board addresss isn't Zorro II or Zorro III! 116 * XXXX Kludge it up until I can do it better (MLH). 117 * 118 * XXXX pa 0x00f00000 shouldn't be used for anything 119 */ 120 if (pmap_extract(kernel_pmap, (vm_offset_t) ztwomap(0x00f00000)) 121 == 0x00f00000) { 122 physaccess(ztwomap(0x00f00000),zap->pa, 123 NBPG, PG_W|PG_CI); 124 zap->va = (void *) ztwomap(0x00f00000) + 125 ((int)zap->pa & PGOFSET); 126 #ifdef DEBUG 127 printf("IVS Vector: mapped to %x kva %x\n", 128 ztwomap(0x00f00000), zap->va); 129 #endif 130 } 131 else { 132 printf("Unable to map IVS Vector SCSI\n"); 133 return (0); 134 } 135 } 136 return(1); 137 } 138 139 void 140 ivscattach(pdp, dp, auxp) 141 struct device *pdp, *dp; 142 void *auxp; 143 { 144 volatile u_char *rp; 145 struct sci_softc *sc; 146 struct ztwobus_args *zap; 147 148 printf("\n"); 149 150 zap = auxp; 151 152 sc = (struct sci_softc *)dp; 153 rp = zap->va + 0x40; 154 sc->sci_data = rp; 155 sc->sci_odata = rp; 156 sc->sci_icmd = rp + 2; 157 sc->sci_mode = rp + 4; 158 sc->sci_tcmd = rp + 6; 159 sc->sci_bus_csr = rp + 8; 160 sc->sci_sel_enb = rp + 8; 161 sc->sci_csr = rp + 10; 162 sc->sci_dma_send = rp + 10; 163 sc->sci_idata = rp + 12; 164 sc->sci_trecv = rp + 12; 165 sc->sci_iack = rp + 14; 166 sc->sci_irecv = rp + 14; 167 168 #ifdef notyet 169 sc->dma_xfer_in = ivsc_dma_xfer_in; 170 sc->dma_xfer_out = ivsc_dma_xfer_out; 171 #endif 172 173 scireset(sc); 174 175 sc->sc_link.adapter_softc = sc; 176 sc->sc_link.adapter_targ = 7; 177 sc->sc_link.adapter = &ivsc_scsiswitch; 178 sc->sc_link.device = &ivsc_scsidev; 179 TAILQ_INIT(&sc->sc_xslist); 180 181 custom.intreq = INTF_PORTS; 182 custom.intena = INTF_SETCLR | INTF_PORTS; 183 184 /* 185 * attach all scsi units on us 186 */ 187 config_found(dp, &sc->sc_link, ivscprint); 188 } 189 190 /* 191 * print diag if pnp is NULL else just extra 192 */ 193 int 194 ivscprint(auxp, pnp) 195 void *auxp; 196 char *pnp; 197 { 198 if (pnp == NULL) 199 return(UNCONF); 200 return(QUIET); 201 } 202 203 #ifdef notyet 204 int 205 ivsc_dma_xfer_in (dev, len, buf, phase) 206 struct sci_softc *dev; 207 int len; 208 register u_char *buf; 209 int phase; 210 { 211 } 212 213 int 214 ivsc_dma_xfer_out (dev, len, buf, phase) 215 struct sci_softc *dev; 216 int len; 217 register u_char *buf; 218 int phase; 219 { 220 } 221 #endif 222 223 int 224 ivsc_intr() 225 { 226 struct sci_softc *dev; 227 int i, found; 228 u_char stat; 229 230 found = 0; 231 for (i = 0; i < ivsccd.cd_ndevs; i++) { 232 dev = ivsccd.cd_devs[i]; 233 if (dev == NULL) 234 continue; 235 if ((*dev->sci_csr & SCI_CSR_INT) == 0) 236 continue; 237 ++found; 238 stat = *dev->sci_iack; 239 } 240 return (found); 241 } 242