1 /* $NetBSD: ahc_eisa.c,v 1.42 2021/01/27 04:35:15 thorpej Exp $ */ 2 3 /* 4 * Product specific probe and attach routines for: 5 * 274X and aic7770 motherboard SCSI controllers 6 * 7 * Copyright (c) 1994, 1995, 1996, 1997, 1998 Justin T. Gibbs. 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 immediately at the beginning of the file, without modification, 15 * this list of conditions, and the following disclaimer. 16 * 2. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD: src/sys/dev/aic7xxx/ahc_eisa.c,v 1.15 2000/01/29 14:22:19 peter Exp $ 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: ahc_eisa.c,v 1.42 2021/01/27 04:35:15 thorpej Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/device.h> 41 #include <sys/reboot.h> 42 43 #include <sys/bus.h> 44 #include <sys/intr.h> 45 46 #include <dev/scsipi/scsi_all.h> 47 #include <dev/scsipi/scsipi_all.h> 48 #include <dev/scsipi/scsiconf.h> 49 50 #include <dev/eisa/eisareg.h> 51 #include <dev/eisa/eisavar.h> 52 #include <dev/eisa/eisadevs.h> 53 54 #include <dev/ic/aic7xxx_osm.h> 55 #include <dev/ic/aic7xxx_inline.h> 56 #include <dev/ic/aic77xxreg.h> 57 #include <dev/ic/aic77xxvar.h> 58 59 static int ahc_eisa_match(device_t, cfdata_t, void *); 60 static void ahc_eisa_attach(device_t, device_t, void *); 61 62 63 CFATTACH_DECL_NEW(ahc_eisa, sizeof(struct ahc_softc), 64 ahc_eisa_match, ahc_eisa_attach, NULL, NULL); 65 66 static const struct device_compatible_entry compat_data[] = { 67 { .compat = "ADP7770", .data = EISA_PRODUCT_ADP7770 }, 68 { .compat = "ADP7771", .data = EISA_PRODUCT_ADP7771 }, 69 DEVICE_COMPAT_EOL 70 }; 71 72 /* 73 * Check the slots looking for a board we recognise 74 * If we find one, note its address (slot) and call 75 * the actual probe routine to check it out. 76 */ 77 static int 78 ahc_eisa_match(device_t parent, cfdata_t match, void *aux) 79 { 80 struct eisa_attach_args *ea = aux; 81 bus_space_tag_t iot = ea->ea_iot; 82 bus_space_handle_t ioh; 83 int irq; 84 85 if (!eisa_compatible_match(ea, compat_data)) 86 return (0); 87 88 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 89 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) 90 return (0); 91 92 irq = ahc_aic77xx_irq(iot, ioh); 93 94 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); 95 96 return (irq >= 0); 97 } 98 99 static void 100 ahc_eisa_attach(device_t parent, device_t self, void *aux) 101 { 102 struct ahc_softc *ahc = device_private(self); 103 struct eisa_attach_args *ea = aux; 104 const struct device_compatible_entry *dce; 105 eisa_chipset_tag_t ec = ea->ea_ec; 106 eisa_intr_handle_t ih; 107 bus_space_tag_t iot = ea->ea_iot; 108 bus_space_handle_t ioh; 109 int irq, intrtype; 110 const char *intrstr, *intrtypestr; 111 u_int biosctrl; 112 u_int scsiconf; 113 u_int scsiconf1; 114 u_char intdef; 115 #ifdef AHC_DEBUG 116 int i; 117 #endif 118 char intrbuf[EISA_INTRSTR_LEN]; 119 120 ahc->sc_dev = self; 121 122 dce = eisa_compatible_lookup(ea, compat_data); 123 KASSERT(dce != NULL); 124 125 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 126 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) { 127 aprint_error_dev(ahc->sc_dev, "could not map I/O addresses"); 128 return; 129 } 130 if ((irq = ahc_aic77xx_irq(iot, ioh)) < 0) { 131 aprint_error_dev(ahc->sc_dev, "ahc_aic77xx_irq failed!"); 132 goto free_io; 133 } 134 135 printf(": %s\n", (const char *)dce->data); 136 137 ahc_set_name(ahc, device_xname(ahc->sc_dev)); 138 ahc->parent_dmat = ea->ea_dmat; 139 ahc->chip = AHC_AIC7770|AHC_EISA; 140 ahc->features = AHC_AIC7770_FE; 141 ahc->flags = AHC_PAGESCBS; 142 ahc->bugs = AHC_TMODE_WIDEODD_BUG; 143 ahc->tag = iot; 144 ahc->bsh = ioh; 145 ahc->channel = 'A'; 146 147 if (ahc_softc_init(ahc) != 0) 148 goto free_io; 149 150 ahc_intr_enable(ahc, FALSE); 151 152 if (ahc_reset(ahc) != 0) 153 goto free_io; 154 155 if (eisa_intr_map(ec, irq, &ih)) { 156 aprint_error_dev(ahc->sc_dev, "couldn't map interrupt (%d)\n", 157 irq); 158 goto free_io; 159 } 160 161 intdef = bus_space_read_1(iot, ioh, INTDEF); 162 163 if (intdef & EDGE_TRIG) { 164 intrtype = IST_EDGE; 165 intrtypestr = "edge triggered"; 166 } else { 167 intrtype = IST_LEVEL; 168 intrtypestr = "level sensitive"; 169 } 170 intrstr = eisa_intr_string(ec, ih, intrbuf, sizeof(intrbuf)); 171 ahc->ih = eisa_intr_establish(ec, ih, 172 intrtype, IPL_BIO, ahc_intr, ahc); 173 if (ahc->ih == NULL) { 174 aprint_error_dev(ahc->sc_dev, 175 "couldn't establish %s interrupt", intrtypestr); 176 if (intrstr != NULL) 177 aprint_error(" at %s", intrstr); 178 aprint_error("\n"); 179 goto free_io; 180 } 181 if (intrstr != NULL) 182 aprint_normal_dev(ahc->sc_dev, "%s interrupting at %s\n", 183 intrtypestr, intrstr); 184 185 /* 186 * Now that we know we own the resources we need, do the 187 * card initialization. 188 * 189 * First, the aic7770 card specific setup. 190 */ 191 biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL); 192 scsiconf = ahc_inb(ahc, SCSICONF); 193 scsiconf1 = ahc_inb(ahc, SCSICONF + 1); 194 195 #ifdef AHC_DEBUG 196 for (i = TARG_SCSIRATE; i <= HA_274_BIOSCTRL; i+=8) { 197 printf("0x%x, 0x%x, 0x%x, 0x%x, " 198 "0x%x, 0x%x, 0x%x, 0x%x\n", 199 ahc_inb(ahc, i), 200 ahc_inb(ahc, i+1), 201 ahc_inb(ahc, i+2), 202 ahc_inb(ahc, i+3), 203 ahc_inb(ahc, i+4), 204 ahc_inb(ahc, i+5), 205 ahc_inb(ahc, i+6), 206 ahc_inb(ahc, i+7)); 207 } 208 #endif 209 210 /* Get the primary channel information */ 211 if ((biosctrl & CHANNEL_B_PRIMARY) != 0) 212 ahc->flags |= AHC_PRIMARY_CHANNEL; 213 214 if ((biosctrl & BIOSMODE) == BIOSDISABLED) { 215 ahc->flags |= AHC_USEDEFAULTS; 216 } else if ((ahc->features & AHC_WIDE) != 0) { 217 ahc->our_id = scsiconf1 & HWSCSIID; 218 if (scsiconf & TERM_ENB) 219 ahc->flags |= AHC_TERM_ENB_A; 220 } else { 221 ahc->our_id = scsiconf & HSCSIID; 222 ahc->our_id_b = scsiconf1 & HSCSIID; 223 if (scsiconf & TERM_ENB) 224 ahc->flags |= AHC_TERM_ENB_A; 225 if (scsiconf1 & TERM_ENB) 226 ahc->flags |= AHC_TERM_ENB_B; 227 } 228 if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS)) 229 ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B; 230 231 /* Attach sub-devices */ 232 if (ahc_aic77xx_attach(ahc) == 0) 233 return; /* succeed */ 234 235 /* failed */ 236 eisa_intr_disestablish(ec, ahc->ih); 237 free_io: 238 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); 239 } 240
Indexes created Wed Oct 01 15:09:59 GMT 2025