1 /* $NetBSD: ivsc.c,v 1.10 1995/04/10 13:08:54 mycroft 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/amiga/isr.h> 48 #include <amiga/dev/scireg.h> 49 #include <amiga/dev/scivar.h> 50 #include <amiga/dev/zbusvar.h> 51 52 int ivscprint __P((void *auxp, char *)); 53 void ivscattach __P((struct device *, struct device *, void *)); 54 int ivscmatch __P((struct device *, struct cfdata *, void *)); 55 56 int ivsc_intr __P((struct sci_softc *)); 57 #ifdef notyet 58 int ivsc_dma_xfer_in __P((struct sci_softc *dev, int len, 59 register u_char *buf, int phase)); 60 int ivsc_dma_xfer_out __P((struct sci_softc *dev, int len, 61 register u_char *buf, int phase)); 62 #endif 63 64 struct scsi_adapter ivsc_scsiswitch = { 65 sci_scsicmd, 66 sci_minphys, 67 0, /* no lun support */ 68 0, /* no lun support */ 69 }; 70 71 struct scsi_device ivsc_scsidev = { 72 NULL, /* use default error handler */ 73 NULL, /* do not have a start functio */ 74 NULL, /* have no async handler */ 75 NULL, /* Use default done routine */ 76 }; 77 78 #define QPRINTF 79 80 #ifdef DEBUG 81 extern int sci_debug; 82 #endif 83 84 extern int sci_data_wait; 85 86 struct cfdriver ivsccd = { 87 NULL, "ivsc", (cfmatch_t)ivscmatch, ivscattach, 88 DV_DULL, sizeof(struct sci_softc), NULL, 0 }; 89 90 /* 91 * if this is an IVS board 92 */ 93 int 94 ivscmatch(pdp, cdp, auxp) 95 struct device *pdp; 96 struct cfdata *cdp; 97 void *auxp; 98 { 99 struct zbus_args *zap; 100 101 zap = auxp; 102 103 /* 104 * Check manufacturer and product id. 105 */ 106 if (zap->manid != 2112 || /* If manufacturer is IVS */ 107 (zap->prodid != 52 && /* product = Trumpcard */ 108 zap->prodid != 243)) /* product = Vector SCSI */ 109 return(0); /* didn't match */ 110 #if 0 /* shouldn't need this any more */ 111 if (zap->prodid == 243) { 112 /* 113 * XXXX Ouch! board addresss isn't Zorro II or Zorro III! 114 * XXXX Kludge it up until I can do it better (MLH). 115 * 116 * XXXX pa 0x00f00000 shouldn't be used for anything 117 */ 118 if (pmap_extract(pmap_kernel(), (vm_offset_t) ztwomap(0x00f00000)) 119 == 0x00f00000) { 120 physaccess(ztwomap(0x00f00000),zap->pa, 121 NBPG, PG_W|PG_CI); 122 zap->va = (void *) ztwomap(0x00f00000) + 123 ((int)zap->pa & PGOFSET); 124 #ifdef DEBUG 125 printf("IVS Vector: mapped to %x kva %x\n", 126 ztwomap(0x00f00000), zap->va); 127 #endif 128 } 129 else { 130 printf("Unable to map IVS Vector SCSI\n"); 131 return (0); 132 } 133 } 134 #endif 135 return(1); 136 } 137 138 void 139 ivscattach(pdp, dp, auxp) 140 struct device *pdp, *dp; 141 void *auxp; 142 { 143 volatile u_char *rp; 144 struct sci_softc *sc; 145 struct zbus_args *zap; 146 147 printf("\n"); 148 149 zap = auxp; 150 151 sc = (struct sci_softc *)dp; 152 rp = zap->va + 0x40; 153 sc->sci_data = rp; 154 sc->sci_odata = rp; 155 sc->sci_icmd = rp + 2; 156 sc->sci_mode = rp + 4; 157 sc->sci_tcmd = rp + 6; 158 sc->sci_bus_csr = rp + 8; 159 sc->sci_sel_enb = rp + 8; 160 sc->sci_csr = rp + 10; 161 sc->sci_dma_send = rp + 10; 162 sc->sci_idata = rp + 12; 163 sc->sci_trecv = rp + 12; 164 sc->sci_iack = rp + 14; 165 sc->sci_irecv = rp + 14; 166 167 #ifdef notyet 168 sc->dma_xfer_in = ivsc_dma_xfer_in; 169 sc->dma_xfer_out = ivsc_dma_xfer_out; 170 #endif 171 172 sc->sc_isr.isr_intr = ivsc_intr; 173 sc->sc_isr.isr_arg = sc; 174 sc->sc_isr.isr_ipl = 2; 175 add_isr(&sc->sc_isr); 176 177 scireset(sc); 178 179 sc->sc_link.adapter_softc = sc; 180 sc->sc_link.adapter_target = 7; 181 sc->sc_link.adapter = &ivsc_scsiswitch; 182 sc->sc_link.device = &ivsc_scsidev; 183 sc->sc_link.openings = 1; 184 TAILQ_INIT(&sc->sc_xslist); 185 186 /* 187 * attach all scsi units on us 188 */ 189 config_found(dp, &sc->sc_link, ivscprint); 190 } 191 192 /* 193 * print diag if pnp is NULL else just extra 194 */ 195 int 196 ivscprint(auxp, pnp) 197 void *auxp; 198 char *pnp; 199 { 200 if (pnp == NULL) 201 return(UNCONF); 202 return(QUIET); 203 } 204 205 #ifdef notyet 206 int 207 ivsc_dma_xfer_in (dev, len, buf, phase) 208 struct sci_softc *dev; 209 int len; 210 register u_char *buf; 211 int phase; 212 { 213 } 214 215 int 216 ivsc_dma_xfer_out (dev, len, buf, phase) 217 struct sci_softc *dev; 218 int len; 219 register u_char *buf; 220 int phase; 221 { 222 } 223 #endif 224 225 int 226 ivsc_intr(dev) 227 struct sci_softc *dev; 228 { 229 u_char stat; 230 231 if ((*dev->sci_csr & SCI_CSR_INT) == 0) 232 return(0); 233 stat = *dev->sci_iack; 234 } 235