Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/if_sf_pci.c
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1 /* $NetBSD: if_sf_pci.c,v 1.7 2002/12/23 02:58:37 tsutsui 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/cdefs.h> 45 __KERNEL_RCSID(0, "$NetBSD: if_sf_pci.c,v 1.7 2002/12/23 02:58:37 tsutsui Exp $"); 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/mbuf.h> 50 #include <sys/malloc.h> 51 #include <sys/kernel.h> 52 #include <sys/socket.h> 53 #include <sys/ioctl.h> 54 #include <sys/errno.h> 55 #include <sys/device.h> 56 57 #include <net/if.h> 58 #include <net/if_dl.h> 59 #include <net/if_media.h> 60 #include <net/if_ether.h> 61 62 #include <machine/bus.h> 63 #include <machine/intr.h> 64 65 #include <dev/mii/miivar.h> 66 67 #include <dev/ic/aic6915reg.h> 68 #include <dev/ic/aic6915var.h> 69 70 #include <dev/pci/pcireg.h> 71 #include <dev/pci/pcivar.h> 72 #include <dev/pci/pcidevs.h> 73 74 struct sf_pci_softc { 75 struct sf_softc sc_starfire; /* read Starfire softc */ 76 77 /* PCI-specific goo. */ 78 void *sc_ih; /* interrupt handle */ 79 }; 80 81 int sf_pci_match(struct device *, struct cfdata *, void *); 82 void sf_pci_attach(struct device *, struct device *, void *); 83 84 CFATTACH_DECL(sf_pci, sizeof(struct sf_pci_softc), 85 sf_pci_match, sf_pci_attach, NULL, NULL); 86 87 struct sf_pci_product { 88 uint32_t spp_vendor; /* PCI vendor ID */ 89 uint32_t spp_product; /* PCI product ID */ 90 const char *spp_name; /* product name */ 91 const struct sf_pci_product *spp_subsys; /* subsystm IDs */ 92 }; 93 94 const struct sf_pci_product sf_subsys_adaptec[] = { 95 /* ANA-62011 (rev 0) Single port 10/100 64-bit */ 96 { PCI_VENDOR_ADP, 0x0008, 97 "ANA-62011 (rev 0) 10/100 Ethernet", NULL }, 98 99 /* ANA-62011 (rev 1) Single port 10/100 64-bit */ 100 { PCI_VENDOR_ADP, 0x0009, 101 "ANA-62011 (rev 1) 10/100 Ethernet", NULL }, 102 103 /* ANA-62022 Dual port 10/100 64-bit */ 104 { PCI_VENDOR_ADP, 0x0010, 105 "ANA-62022 10/100 Ethernet", NULL }, 106 107 /* ANA-62044 (rev 0) Quad port 10/100 64-bit */ 108 { PCI_VENDOR_ADP, 0x0018, 109 "ANA-62044 (rev 0) 10/100 Ethernet", NULL }, 110 111 /* ANA-62044 (rev 1) Quad port 10/100 64-bit */ 112 { PCI_VENDOR_ADP, 0x0019, 113 "ANA-62044 (rev 1) 10/100 Ethernet", NULL }, 114 115 /* ANA-62020 Single port 100baseFX 64-bit */ 116 { PCI_VENDOR_ADP, 0x0020, 117 "ANA-62020 100baseFX Ethernet", NULL }, 118 119 /* ANA-69011 Single port 10/100 32-bit */ 120 { PCI_VENDOR_ADP, 0x0028, 121 "ANA-69011 10/100 Ethernet", NULL }, 122 123 { 0, 0, 124 NULL, NULL }, 125 }; 126 127 const struct sf_pci_product sf_pci_products[] = { 128 { PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915, 129 "AIC-6915 10/100 Ethernet", sf_subsys_adaptec }, 130 131 { 0, 0, 132 NULL, NULL }, 133 }; 134 135 static const struct sf_pci_product * 136 sf_pci_lookup(const struct pci_attach_args *pa) 137 { 138 const struct sf_pci_product *spp, *subspp; 139 pcireg_t subsysid; 140 141 for (spp = sf_pci_products; spp->spp_name != NULL; spp++) { 142 if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor && 143 PCI_PRODUCT(pa->pa_id) == spp->spp_product) { 144 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, 145 PCI_SUBSYS_ID_REG); 146 for (subspp = spp->spp_subsys; 147 subspp->spp_name != NULL; subspp++) { 148 if (PCI_VENDOR(subsysid) == 149 subspp->spp_vendor || 150 PCI_PRODUCT(subsysid) == 151 subspp->spp_product) { 152 return (subspp); 153 } 154 } 155 return (spp); 156 } 157 } 158 159 return (NULL); 160 } 161 162 int 163 sf_pci_match(struct device *parent, struct cfdata *match, void *aux) 164 { 165 struct pci_attach_args *pa = aux; 166 167 if (sf_pci_lookup(pa) != NULL) 168 return (1); 169 170 return (0); 171 } 172 173 void 174 sf_pci_attach(struct device *parent, struct device *self, void *aux) 175 { 176 struct sf_pci_softc *psc = (void *) self; 177 struct sf_softc *sc = &psc->sc_starfire; 178 struct pci_attach_args *pa = aux; 179 pci_intr_handle_t ih; 180 const char *intrstr = NULL; 181 const struct sf_pci_product *spp; 182 bus_space_tag_t iot, memt; 183 bus_space_handle_t ioh, memh; 184 pcireg_t reg; 185 int pmreg, ioh_valid, memh_valid; 186 187 spp = sf_pci_lookup(pa); 188 if (spp == NULL) { 189 printf("\n"); 190 panic("sf_pci_attach: impossible"); 191 } 192 193 printf(": %s, rev. %d\n", spp->spp_name, PCI_REVISION(pa->pa_class)); 194 195 if (pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_PWRMGMT, 196 &pmreg, 0)) { 197 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, pmreg + PCI_PMCSR); 198 switch (reg & PCI_PMCSR_STATE_MASK) { 199 case PCI_PMCSR_STATE_D1: 200 case PCI_PMCSR_STATE_D2: 201 printf(": waking up from power state D%d\n%s", 202 reg & PCI_PMCSR_STATE_MASK, sc->sc_dev.dv_xname); 203 pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + PCI_PMCSR, 204 (reg & ~PCI_PMCSR_STATE_MASK) | 205 PCI_PMCSR_STATE_D0); 206 break; 207 208 case PCI_PMCSR_STATE_D3: 209 printf("%s: unable to wake up from power state D3\n", 210 sc->sc_dev.dv_xname); 211 pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + PCI_PMCSR, 212 (reg & ~PCI_PMCSR_STATE_MASK) | 213 PCI_PMCSR_STATE_D0); 214 return; 215 } 216 } 217 218 /* 219 * Map the device. 220 */ 221 reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA); 222 switch (reg) { 223 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 224 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 225 memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA, 226 reg, 0, &memt, &memh, NULL, NULL) == 0); 227 break; 228 default: 229 memh_valid = 0; 230 } 231 232 ioh_valid = (pci_mapreg_map(pa, 233 (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ? 234 SF_PCI_IOBA : SF_PCI_IOBA - 0x04, 235 PCI_MAPREG_TYPE_IO, 0, 236 &iot, &ioh, NULL, NULL) == 0); 237 238 if (memh_valid) { 239 sc->sc_st = memt; 240 sc->sc_sh = memh; 241 sc->sc_iomapped = 0; 242 } else if (ioh_valid) { 243 sc->sc_st = iot; 244 sc->sc_sh = ioh; 245 sc->sc_iomapped = 1; 246 } else { 247 printf("%s: unable to map device registers\n", 248 sc->sc_dev.dv_xname); 249 return; 250 } 251 252 sc->sc_dmat = pa->pa_dmat; 253 254 /* Make sure bus mastering is enabled. */ 255 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 256 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 257 PCI_COMMAND_MASTER_ENABLE); 258 259 /* 260 * Map and establish our interrupt. 261 */ 262 if (pci_intr_map(pa, &ih)) { 263 printf("%s: unable to map interrupt\n", sc->sc_dev.dv_xname); 264 return; 265 } 266 intrstr = pci_intr_string(pa->pa_pc, ih); 267 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc); 268 if (psc->sc_ih == NULL) { 269 printf("%s: unable to establish interrupt", 270 sc->sc_dev.dv_xname); 271 if (intrstr != NULL) 272 printf(" at %s", intrstr); 273 printf("\n"); 274 return; 275 } 276 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 277 278 /* 279 * Finish off the attach. 280 */ 281 sf_attach(sc); 282 }
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