if_sf_pci.c revision 1.2
1 /* $NetBSD: if_sf_pci.c,v 1.2 2001/07/08 18:02:28 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 <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/mbuf.h> 47 #include <sys/malloc.h> 48 #include <sys/kernel.h> 49 #include <sys/socket.h> 50 #include <sys/ioctl.h> 51 #include <sys/errno.h> 52 #include <sys/device.h> 53 54 #include <net/if.h> 55 #include <net/if_dl.h> 56 #include <net/if_media.h> 57 #include <net/if_ether.h> 58 59 #include <machine/bus.h> 60 #include <machine/intr.h> 61 62 #include <dev/mii/miivar.h> 63 64 #include <dev/ic/aic6915reg.h> 65 #include <dev/ic/aic6915var.h> 66 67 #include <dev/pci/pcireg.h> 68 #include <dev/pci/pcivar.h> 69 #include <dev/pci/pcidevs.h> 70 71 struct sf_pci_softc { 72 struct sf_softc sc_starfire; /* read Starfire softc */ 73 74 /* PCI-specific goo. */ 75 void *sc_ih; /* interrupt handle */ 76 }; 77 78 int sf_pci_match(struct device *, struct cfdata *, void *); 79 void sf_pci_attach(struct device *, struct device *, void *); 80 81 struct cfattach sf_pci_ca = { 82 sizeof(struct sf_pci_softc), sf_pci_match, sf_pci_attach, 83 }; 84 85 struct sf_pci_product { 86 uint32_t spp_vendor; /* PCI vendor ID */ 87 uint32_t spp_product; /* PCI product ID */ 88 const char *spp_name; /* product name */ 89 const struct sf_pci_product *spp_subsys; /* subsystm IDs */ 90 }; 91 92 const struct sf_pci_product sf_subsys_adaptec[] = { 93 /* ANA-62011 (rev 0) Single port 10/100 64-bit */ 94 { PCI_VENDOR_ADP, 0x0008, 95 "ANA-62011 (rev 0) 10/100 Ethernet", NULL }, 96 97 /* ANA-62011 (rev 1) Single port 10/100 64-bit */ 98 { PCI_VENDOR_ADP, 0x0009, 99 "ANA-62011 (rev 1) 10/100 Ethernet", NULL }, 100 101 /* ANA-62022 Dual port 10/100 64-bit */ 102 { PCI_VENDOR_ADP, 0x0010, 103 "ANA-62022 10/100 Ethernet", NULL }, 104 105 /* ANA-62044 (rev 0) Quad port 10/100 64-bit */ 106 { PCI_VENDOR_ADP, 0x0018, 107 "ANA-62044 (rev 0) 10/100 Ethernet", NULL }, 108 109 /* ANA-62044 (rev 1) Quad port 10/100 64-bit */ 110 { PCI_VENDOR_ADP, 0x0019, 111 "ANA-62044 (rev 1) 10/100 Ethernet", NULL }, 112 113 /* ANA-62020 Single port 100baseFX 64-bit */ 114 { PCI_VENDOR_ADP, 0x0020, 115 "ANA-62020 100baseFX Ethernet", NULL }, 116 117 /* ANA-69011 Single port 10/100 32-bit */ 118 { PCI_VENDOR_ADP, 0x0028, 119 "ANA-69011 10/100 Ethernet", NULL }, 120 121 { 0, 0, 122 NULL, NULL }, 123 }; 124 125 const struct sf_pci_product sf_pci_products[] = { 126 { PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915, 127 "AIC-6915 10/100 Ethernet", sf_subsys_adaptec }, 128 129 { 0, 0, 130 NULL, NULL }, 131 }; 132 133 static const struct sf_pci_product * 134 sf_pci_lookup(const struct pci_attach_args *pa) 135 { 136 const struct sf_pci_product *spp, *subspp; 137 pcireg_t subsysid; 138 139 for (spp = sf_pci_products; spp->spp_name != NULL; spp++) { 140 if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor && 141 PCI_PRODUCT(pa->pa_id) == spp->spp_product) { 142 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, 143 PCI_SUBSYS_ID_REG); 144 for (subspp = spp->spp_subsys; 145 subspp->spp_name != NULL; subspp++) { 146 if (PCI_VENDOR(subsysid) == 147 subspp->spp_vendor || 148 PCI_PRODUCT(subsysid) == 149 subspp->spp_product) { 150 return (subspp); 151 } 152 } 153 return (spp); 154 } 155 } 156 157 return (NULL); 158 } 159 160 int 161 sf_pci_match(struct device *parent, struct cfdata *match, void *aux) 162 { 163 struct pci_attach_args *pa = aux; 164 165 if (sf_pci_lookup(pa) != NULL) 166 return (1); 167 168 return (0); 169 } 170 171 void 172 sf_pci_attach(struct device *parent, struct device *self, void *aux) 173 { 174 struct sf_pci_softc *psc = (void *) self; 175 struct sf_softc *sc = &psc->sc_starfire; 176 struct pci_attach_args *pa = aux; 177 pci_intr_handle_t ih; 178 const char *intrstr = NULL; 179 const struct sf_pci_product *spp; 180 bus_space_tag_t iot, memt; 181 bus_space_handle_t ioh, memh; 182 pcireg_t reg; 183 int pmreg, ioh_valid, memh_valid; 184 185 spp = sf_pci_lookup(pa); 186 if (spp == NULL) { 187 printf("\n"); 188 panic("sf_pci_attach: impossible"); 189 } 190 191 printf(": %s, rev. %d\n", spp->spp_name, PCI_REVISION(pa->pa_class)); 192 193 if (pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_PWRMGMT, 194 &pmreg, 0)) { 195 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, pmreg + 4); 196 switch (reg & PCI_PMCSR_STATE_MASK) { 197 case PCI_PMCSR_STATE_D1: 198 case PCI_PMCSR_STATE_D2: 199 printf(": waking up from power state D%d\n%s", 200 reg & PCI_PMCSR_STATE_MASK, sc->sc_dev.dv_xname); 201 pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + 4, 202 (reg & ~PCI_PMCSR_STATE_MASK) | 203 PCI_PMCSR_STATE_D0); 204 break; 205 206 case PCI_PMCSR_STATE_D3: 207 printf("%s: unable to wake up from power state D3\n", 208 sc->sc_dev.dv_xname); 209 pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + 4, 210 (reg & ~PCI_PMCSR_STATE_MASK) | 211 PCI_PMCSR_STATE_D0); 212 return; 213 } 214 } 215 216 /* 217 * Map the device. 218 */ 219 reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA); 220 switch (reg) { 221 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 222 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 223 memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA, 224 reg, 0, &memt, &memh, NULL, NULL) == 0); 225 break; 226 default: 227 memh_valid = 0; 228 } 229 230 ioh_valid = (pci_mapreg_map(pa, 231 (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ? 232 SF_PCI_IOBA : SF_PCI_IOBA - 0x04, 233 PCI_MAPREG_TYPE_IO, 0, 234 &iot, &ioh, NULL, NULL) == 0); 235 236 if (memh_valid) { 237 sc->sc_st = memt; 238 sc->sc_sh = memh; 239 sc->sc_iomapped = 0; 240 } else if (ioh_valid) { 241 sc->sc_st = iot; 242 sc->sc_sh = ioh; 243 sc->sc_iomapped = 1; 244 } else { 245 printf("%s: unable to map device registers\n", 246 sc->sc_dev.dv_xname); 247 return; 248 } 249 250 sc->sc_dmat = pa->pa_dmat; 251 252 /* Make sure bus mastering is enabled. */ 253 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 254 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 255 PCI_COMMAND_MASTER_ENABLE); 256 257 /* 258 * Map and establish our interrupt. 259 */ 260 if (pci_intr_map(pa, &ih)) { 261 printf("%s: unable to map interrupt\n", sc->sc_dev.dv_xname); 262 return; 263 } 264 intrstr = pci_intr_string(pa->pa_pc, ih); 265 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc); 266 if (psc->sc_ih == NULL) { 267 printf("%s: unable to establish interrupt", 268 sc->sc_dev.dv_xname); 269 if (intrstr != NULL) 270 printf(" at %s", intrstr); 271 printf("\n"); 272 return; 273 } 274 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 275 276 /* 277 * Finish off the attach. 278 */ 279 sf_attach(sc); 280 } 281
Indexes created Thu Oct 02 14:10:14 GMT 2025