if_sf_pci.c revision 1.1
1 /* $NetBSD: if_sf_pci.c,v 1.1 2001/06/18 22:05:37 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 * 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 NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * PCI bus front-end for the Adaptec AIC-6915 (``Starfire'') 41 * 10/100 Ethernet controller. 42 */ 43 44 #include "bpfilter.h" 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/mbuf.h> 49 #include <sys/malloc.h> 50 #include <sys/kernel.h> 51 #include <sys/socket.h> 52 #include <sys/ioctl.h> 53 #include <sys/errno.h> 54 #include <sys/device.h> 55 56 #include <net/if.h> 57 #include <net/if_dl.h> 58 #include <net/if_media.h> 59 #include <net/if_ether.h> 60 61 #if NBPFILTER > 0 62 #include <net/bpf.h> 63 #endif 64 65 #include <machine/bus.h> 66 #include <machine/intr.h> 67 68 #include <dev/mii/miivar.h> 69 70 #include <dev/ic/aic6915reg.h> 71 #include <dev/ic/aic6915var.h> 72 73 #include <dev/pci/pcireg.h> 74 #include <dev/pci/pcivar.h> 75 #include <dev/pci/pcidevs.h> 76 77 struct sf_pci_softc { 78 struct sf_softc sc_starfire; /* read Starfire softc */ 79 80 /* PCI-specific goo. */ 81 void *sc_ih; /* interrupt handle */ 82 }; 83 84 int sf_pci_match(struct device *, struct cfdata *, void *); 85 void sf_pci_attach(struct device *, struct device *, void *); 86 87 struct cfattach sf_pci_ca = { 88 sizeof(struct sf_pci_softc), sf_pci_match, sf_pci_attach, 89 }; 90 91 struct sf_pci_product { 92 uint32_t spp_vendor; /* PCI vendor ID */ 93 uint32_t spp_product; /* PCI product ID */ 94 const char *spp_name; /* product name */ 95 const struct sf_pci_product *spp_subsys; /* subsystm IDs */ 96 }; 97 98 const struct sf_pci_product sf_subsys_adaptec[] = { 99 /* ANA-62011 (rev 0) Single port 10/100 64-bit */ 100 { PCI_VENDOR_ADP, 0x0008, 101 "ANA-62011 (rev 0) 10/100 Ethernet", NULL }, 102 103 /* ANA-62011 (rev 1) Single port 10/100 64-bit */ 104 { PCI_VENDOR_ADP, 0x0009, 105 "ANA-62011 (rev 1) 10/100 Ethernet", NULL }, 106 107 /* ANA-62022 Dual port 10/100 64-bit */ 108 { PCI_VENDOR_ADP, 0x0010, 109 "ANA-62022 10/100 Ethernet", NULL }, 110 111 /* ANA-62044 (rev 0) Quad port 10/100 64-bit */ 112 { PCI_VENDOR_ADP, 0x0018, 113 "ANA-62044 (rev 0) 10/100 Ethernet", NULL }, 114 115 /* ANA-62044 (rev 1) Quad port 10/100 64-bit */ 116 { PCI_VENDOR_ADP, 0x0019, 117 "ANA-62044 (rev 1) 10/100 Ethernet", NULL }, 118 119 /* ANA-62020 Single port 100baseFX 64-bit */ 120 { PCI_VENDOR_ADP, 0x0020, 121 "ANA-62020 100baseFX Ethernet", NULL }, 122 123 /* ANA-69011 Single port 10/100 32-bit */ 124 { PCI_VENDOR_ADP, 0x0028, 125 "ANA-69011 10/100 Ethernet", NULL }, 126 127 { 0, 0, 128 NULL, NULL }, 129 }; 130 131 const struct sf_pci_product sf_pci_products[] = { 132 { PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915, 133 "AIC-6915 10/100 Ethernet", sf_subsys_adaptec }, 134 135 { 0, 0, 136 NULL, NULL }, 137 }; 138 139 static const struct sf_pci_product * 140 sf_pci_lookup(const struct pci_attach_args *pa) 141 { 142 const struct sf_pci_product *spp, *subspp; 143 pcireg_t subsysid; 144 145 for (spp = sf_pci_products; spp->spp_name != NULL; spp++) { 146 if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor && 147 PCI_PRODUCT(pa->pa_id) == spp->spp_product) { 148 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, 149 PCI_SUBSYS_ID_REG); 150 for (subspp = spp->spp_subsys; 151 subspp->spp_name != NULL; subspp++) { 152 if (PCI_VENDOR(subsysid) == 153 subspp->spp_vendor || 154 PCI_PRODUCT(subsysid) == 155 subspp->spp_product) { 156 return (subspp); 157 } 158 } 159 return (spp); 160 } 161 } 162 163 return (NULL); 164 } 165 166 int 167 sf_pci_match(struct device *parent, struct cfdata *match, void *aux) 168 { 169 struct pci_attach_args *pa = aux; 170 171 if (sf_pci_lookup(pa) != NULL) 172 return (1); 173 174 return (0); 175 } 176 177 void 178 sf_pci_attach(struct device *parent, struct device *self, void *aux) 179 { 180 struct sf_pci_softc *psc = (void *) self; 181 struct sf_softc *sc = &psc->sc_starfire; 182 struct pci_attach_args *pa = aux; 183 pci_intr_handle_t ih; 184 const char *intrstr = NULL; 185 const struct sf_pci_product *spp; 186 bus_space_tag_t iot, memt; 187 bus_space_handle_t ioh, memh; 188 pcireg_t reg; 189 int pmreg, ioh_valid, memh_valid; 190 191 spp = sf_pci_lookup(pa); 192 if (spp == NULL) { 193 printf("\n"); 194 panic("sf_pci_attach: impossible"); 195 } 196 197 printf(": %s, rev. %d\n", spp->spp_name, PCI_REVISION(pa->pa_class)); 198 199 if (pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_PWRMGMT, 200 &pmreg, 0)) { 201 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, pmreg + 4); 202 switch (reg & PCI_PMCSR_STATE_MASK) { 203 case PCI_PMCSR_STATE_D1: 204 case PCI_PMCSR_STATE_D2: 205 printf(": waking up from power state D%d\n%s", 206 reg & PCI_PMCSR_STATE_MASK, sc->sc_dev.dv_xname); 207 pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + 4, 208 (reg & ~PCI_PMCSR_STATE_MASK) | 209 PCI_PMCSR_STATE_D0); 210 break; 211 212 case PCI_PMCSR_STATE_D3: 213 printf("%s: unable to wake up from power state D3\n", 214 sc->sc_dev.dv_xname); 215 pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + 4, 216 (reg & ~PCI_PMCSR_STATE_MASK) | 217 PCI_PMCSR_STATE_D0); 218 return; 219 } 220 } 221 222 /* 223 * Map the device. 224 */ 225 reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA); 226 switch (reg) { 227 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 228 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 229 memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA, 230 reg, 0, &memt, &memh, NULL, NULL) == 0); 231 break; 232 default: 233 memh_valid = 0; 234 } 235 236 ioh_valid = (pci_mapreg_map(pa, 237 (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ? 238 SF_PCI_IOBA : SF_PCI_IOBA - 0x04, 239 PCI_MAPREG_TYPE_IO, 0, 240 &iot, &ioh, NULL, NULL) == 0); 241 242 if (memh_valid) { 243 sc->sc_st = memt; 244 sc->sc_sh = memh; 245 sc->sc_iomapped = 0; 246 } else if (ioh_valid) { 247 sc->sc_st = iot; 248 sc->sc_sh = ioh; 249 sc->sc_iomapped = 1; 250 } else { 251 printf("%s: unable to map device registers\n", 252 sc->sc_dev.dv_xname); 253 return; 254 } 255 256 sc->sc_dmat = pa->pa_dmat; 257 258 /* Make sure bus mastering is enabled. */ 259 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 260 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 261 PCI_COMMAND_MASTER_ENABLE); 262 263 /* 264 * Map and establish our interrupt. 265 */ 266 if (pci_intr_map(pa, &ih)) { 267 printf("%s: unable to map interrupt\n", sc->sc_dev.dv_xname); 268 return; 269 } 270 intrstr = pci_intr_string(pa->pa_pc, ih); 271 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc); 272 if (psc->sc_ih == NULL) { 273 printf("%s: unable to establish interrupt", 274 sc->sc_dev.dv_xname); 275 if (intrstr != NULL) 276 printf(" at %s", intrstr); 277 printf("\n"); 278 return; 279 } 280 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 281 282 /* 283 * Finish off the attach. 284 */ 285 sf_attach(sc); 286 } 287
Indexes created Fri Sep 26 20:09:58 GMT 2025