1 /* $NetBSD: if_sf_pci.c,v 1.23 2022/09/24 18:12:42 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * PCI bus front-end for the Adaptec AIC-6915 (``Starfire'') 34 * 10/100 Ethernet controller. 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: if_sf_pci.c,v 1.23 2022/09/24 18:12:42 thorpej Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/mbuf.h> 43 #include <sys/kernel.h> 44 #include <sys/socket.h> 45 #include <sys/ioctl.h> 46 #include <sys/errno.h> 47 #include <sys/device.h> 48 49 #include <net/if.h> 50 #include <net/if_dl.h> 51 #include <net/if_media.h> 52 #include <net/if_ether.h> 53 54 #include <sys/bus.h> 55 #include <sys/intr.h> 56 57 #include <dev/mii/miivar.h> 58 59 #include <dev/ic/aic6915reg.h> 60 #include <dev/ic/aic6915var.h> 61 62 #include <dev/pci/pcireg.h> 63 #include <dev/pci/pcivar.h> 64 #include <dev/pci/pcidevs.h> 65 66 struct sf_pci_softc { 67 struct sf_softc sc_starfire; /* read Starfire softc */ 68 69 /* PCI-specific goo. */ 70 void *sc_ih; /* interrupt handle */ 71 }; 72 73 static int sf_pci_match(device_t, cfdata_t, void *); 74 static void sf_pci_attach(device_t, device_t, void *); 75 76 CFATTACH_DECL_NEW(sf_pci, sizeof(struct sf_pci_softc), 77 sf_pci_match, sf_pci_attach, NULL, NULL); 78 79 struct sf_pci_product { 80 uint32_t spp_vendor; /* PCI vendor ID */ 81 uint32_t spp_product; /* PCI product ID */ 82 const char *spp_name; /* product name */ 83 const struct sf_pci_product *spp_subsys; /* subsystm IDs */ 84 }; 85 86 static const struct sf_pci_product sf_subsys_adaptec[] = { 87 /* ANA-62011 (rev 0) Single port 10/100 64-bit */ 88 { PCI_VENDOR_ADP, 0x0008, 89 "ANA-62011 (rev 0) 10/100 Ethernet", NULL }, 90 91 /* ANA-62011 (rev 1) Single port 10/100 64-bit */ 92 { PCI_VENDOR_ADP, 0x0009, 93 "ANA-62011 (rev 1) 10/100 Ethernet", NULL }, 94 95 /* ANA-62022 Dual port 10/100 64-bit */ 96 { PCI_VENDOR_ADP, 0x0010, 97 "ANA-62022 10/100 Ethernet", NULL }, 98 99 /* ANA-62044 (rev 0) Quad port 10/100 64-bit */ 100 { PCI_VENDOR_ADP, 0x0018, 101 "ANA-62044 (rev 0) 10/100 Ethernet", NULL }, 102 103 /* ANA-62044 (rev 1) Quad port 10/100 64-bit */ 104 { PCI_VENDOR_ADP, 0x0019, 105 "ANA-62044 (rev 1) 10/100 Ethernet", NULL }, 106 107 /* ANA-62020 Single port 100baseFX 64-bit */ 108 { PCI_VENDOR_ADP, 0x0020, 109 "ANA-62020 100baseFX Ethernet", NULL }, 110 111 /* ANA-69011 Single port 10/100 32-bit */ 112 { PCI_VENDOR_ADP, 0x0028, 113 "ANA-69011 10/100 Ethernet", NULL }, 114 115 { 0, 0, 116 NULL, NULL }, 117 }; 118 119 static const struct sf_pci_product sf_pci_products[] = { 120 { PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915, 121 "AIC-6915 10/100 Ethernet", sf_subsys_adaptec }, 122 123 { 0, 0, 124 NULL, NULL }, 125 }; 126 127 static const struct sf_pci_product * 128 sf_pci_lookup(const struct pci_attach_args *pa) 129 { 130 const struct sf_pci_product *spp, *subspp; 131 pcireg_t subsysid; 132 133 for (spp = sf_pci_products; spp->spp_name != NULL; spp++) { 134 if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor && 135 PCI_PRODUCT(pa->pa_id) == spp->spp_product) { 136 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, 137 PCI_SUBSYS_ID_REG); 138 for (subspp = spp->spp_subsys; 139 subspp->spp_name != NULL; subspp++) { 140 if (PCI_VENDOR(subsysid) == 141 subspp->spp_vendor || 142 PCI_PRODUCT(subsysid) == 143 subspp->spp_product) { 144 return (subspp); 145 } 146 } 147 return (spp); 148 } 149 } 150 151 return (NULL); 152 } 153 154 static int 155 sf_pci_match(device_t parent, cfdata_t match, void *aux) 156 { 157 struct pci_attach_args *pa = aux; 158 159 if (sf_pci_lookup(pa) != NULL) 160 return (1); 161 162 return (0); 163 } 164 165 static void 166 sf_pci_attach(device_t parent, device_t self, void *aux) 167 { 168 struct sf_pci_softc *psc = device_private(self); 169 struct sf_softc *sc = &psc->sc_starfire; 170 struct pci_attach_args *pa = aux; 171 pci_intr_handle_t ih; 172 const char *intrstr = NULL; 173 const struct sf_pci_product *spp; 174 bus_space_tag_t iot, memt; 175 bus_space_handle_t ioh, memh; 176 pcireg_t reg; 177 int error, ioh_valid, memh_valid; 178 char intrbuf[PCI_INTRSTR_LEN]; 179 180 sc->sc_dev = self; 181 spp = sf_pci_lookup(pa); 182 if (spp == NULL) { 183 printf("\n"); 184 panic("sf_pci_attach: impossible"); 185 } 186 187 printf(": %s, rev. %d\n", spp->spp_name, PCI_REVISION(pa->pa_class)); 188 189 /* power up chip */ 190 if ((error = pci_activate(pa->pa_pc, pa->pa_tag, self, NULL)) && 191 error != EOPNOTSUPP) { 192 aprint_error_dev(self, "cannot activate %d\n", error); 193 return; 194 } 195 196 /* 197 * Map the device. 198 */ 199 reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA); 200 switch (reg) { 201 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 202 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 203 memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA, 204 reg, 0, &memt, &memh, NULL, NULL) == 0); 205 break; 206 default: 207 memh_valid = 0; 208 } 209 210 ioh_valid = (pci_mapreg_map(pa, 211 (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ? 212 SF_PCI_IOBA : SF_PCI_IOBA - 0x04, 213 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL) == 0); 214 215 if (memh_valid) { 216 sc->sc_st = memt; 217 sc->sc_sh = memh; 218 sc->sc_iomapped = 0; 219 } else if (ioh_valid) { 220 sc->sc_st = iot; 221 sc->sc_sh = ioh; 222 sc->sc_iomapped = 1; 223 } else { 224 aprint_error_dev(self, "unable to map device registers\n"); 225 return; 226 } 227 228 sc->sc_dmat = pa->pa_dmat; 229 230 /* Make sure bus mastering is enabled. */ 231 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 232 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 233 PCI_COMMAND_MASTER_ENABLE); 234 235 /* 236 * Map and establish our interrupt. 237 */ 238 if (pci_intr_map(pa, &ih)) { 239 aprint_error_dev(self, "unable to map interrupt\n"); 240 return; 241 } 242 intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf)); 243 psc->sc_ih = pci_intr_establish_xname(pa->pa_pc, ih, IPL_NET, sf_intr, 244 sc, device_xname(self)); 245 if (psc->sc_ih == NULL) { 246 aprint_error_dev(self, "unable to establish interrupt"); 247 if (intrstr != NULL) 248 aprint_error(" at %s", intrstr); 249 aprint_error("\n"); 250 return; 251 } 252 aprint_normal_dev(self, "interrupting at %s\n", intrstr); 253 254 /* 255 * Finish off the attach. 256 */ 257 sf_attach(sc); 258 } 259
Indexes created Sun Sep 28 12:09:53 GMT 2025