| 1 | /* $NetBSD: if_sf_pci.c,v 1.21 2016/07/07 06:55:41 msaitoh 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 1.21 2016/07/07 06:55:41 msaitoh Exp $" ); |
| 39 | |
| 40 | #include <sys/param.h> |
| 41 | #include <sys/systm.h> |
| 42 | #include <sys/mbuf.h> |
| 43 | #include <sys/malloc.h> |
| 44 | #include <sys/kernel.h> |
| 45 | #include <sys/socket.h> |
| 46 | #include <sys/ioctl.h> |
| 47 | #include <sys/errno.h> |
| 48 | #include <sys/device.h> |
| 49 | |
| 50 | #include <net/if.h> |
| 51 | #include <net/if_dl.h> |
| 52 | #include <net/if_media.h> |
| 53 | #include <net/if_ether.h> |
| 54 | |
| 55 | #include <sys/bus.h> |
| 56 | #include <sys/intr.h> |
| 57 | |
| 58 | #include <dev/mii/miivar.h> |
| 59 | |
| 60 | #include <dev/ic/aic6915reg.h> |
| 61 | #include <dev/ic/aic6915var.h> |
| 62 | |
| 63 | #include <dev/pci/pcireg.h> |
| 64 | #include <dev/pci/pcivar.h> |
| 65 | #include <dev/pci/pcidevs.h> |
| 66 | |
| 67 | struct sf_pci_softc { |
| 68 | struct sf_softc sc_starfire; /* read Starfire softc */ |
| 69 | |
| 70 | /* PCI-specific goo. */ |
| 71 | void *sc_ih; /* interrupt handle */ |
| 72 | }; |
| 73 | |
| 74 | static int sf_pci_match(device_t, cfdata_t, void *); |
| 75 | static void sf_pci_attach(device_t, device_t, void *); |
| 76 | |
| 77 | CFATTACH_DECL_NEW(sf_pci, sizeof(struct sf_pci_softc), |
| 78 | sf_pci_match, sf_pci_attach, NULL, NULL); |
| 79 | |
| 80 | struct sf_pci_product { |
| 81 | uint32_t spp_vendor; /* PCI vendor ID */ |
| 82 | uint32_t spp_product; /* PCI product ID */ |
| 83 | const char *spp_name; /* product name */ |
| 84 | const struct sf_pci_product *spp_subsys; /* subsystm IDs */ |
| 85 | }; |
| 86 | |
| 87 | static const struct sf_pci_product sf_subsys_adaptec[] = { |
| 88 | /* ANA-62011 (rev 0) Single port 10/100 64-bit */ |
| 89 | { PCI_VENDOR_ADP, 0x0008, |
| 90 | "ANA-62011 (rev 0) 10/100 Ethernet" , NULL }, |
| 91 | |
| 92 | /* ANA-62011 (rev 1) Single port 10/100 64-bit */ |
| 93 | { PCI_VENDOR_ADP, 0x0009, |
| 94 | "ANA-62011 (rev 1) 10/100 Ethernet" , NULL }, |
| 95 | |
| 96 | /* ANA-62022 Dual port 10/100 64-bit */ |
| 97 | { PCI_VENDOR_ADP, 0x0010, |
| 98 | "ANA-62022 10/100 Ethernet" , NULL }, |
| 99 | |
| 100 | /* ANA-62044 (rev 0) Quad port 10/100 64-bit */ |
| 101 | { PCI_VENDOR_ADP, 0x0018, |
| 102 | "ANA-62044 (rev 0) 10/100 Ethernet" , NULL }, |
| 103 | |
| 104 | /* ANA-62044 (rev 1) Quad port 10/100 64-bit */ |
| 105 | { PCI_VENDOR_ADP, 0x0019, |
| 106 | "ANA-62044 (rev 1) 10/100 Ethernet" , NULL }, |
| 107 | |
| 108 | /* ANA-62020 Single port 100baseFX 64-bit */ |
| 109 | { PCI_VENDOR_ADP, 0x0020, |
| 110 | "ANA-62020 100baseFX Ethernet" , NULL }, |
| 111 | |
| 112 | /* ANA-69011 Single port 10/100 32-bit */ |
| 113 | { PCI_VENDOR_ADP, 0x0028, |
| 114 | "ANA-69011 10/100 Ethernet" , NULL }, |
| 115 | |
| 116 | { 0, 0, |
| 117 | NULL, NULL }, |
| 118 | }; |
| 119 | |
| 120 | static const struct sf_pci_product sf_pci_products[] = { |
| 121 | { PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915, |
| 122 | "AIC-6915 10/100 Ethernet" , sf_subsys_adaptec }, |
| 123 | |
| 124 | { 0, 0, |
| 125 | NULL, NULL }, |
| 126 | }; |
| 127 | |
| 128 | static const struct sf_pci_product * |
| 129 | sf_pci_lookup(const struct pci_attach_args *pa) |
| 130 | { |
| 131 | const struct sf_pci_product *spp, *subspp; |
| 132 | pcireg_t subsysid; |
| 133 | |
| 134 | for (spp = sf_pci_products; spp->spp_name != NULL; spp++) { |
| 135 | if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor && |
| 136 | PCI_PRODUCT(pa->pa_id) == spp->spp_product) { |
| 137 | subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, |
| 138 | PCI_SUBSYS_ID_REG); |
| 139 | for (subspp = spp->spp_subsys; |
| 140 | subspp->spp_name != NULL; subspp++) { |
| 141 | if (PCI_VENDOR(subsysid) == |
| 142 | subspp->spp_vendor || |
| 143 | PCI_PRODUCT(subsysid) == |
| 144 | subspp->spp_product) { |
| 145 | return (subspp); |
| 146 | } |
| 147 | } |
| 148 | return (spp); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | return (NULL); |
| 153 | } |
| 154 | |
| 155 | static int |
| 156 | sf_pci_match(device_t parent, cfdata_t match, void *aux) |
| 157 | { |
| 158 | struct pci_attach_args *pa = aux; |
| 159 | |
| 160 | if (sf_pci_lookup(pa) != NULL) |
| 161 | return (1); |
| 162 | |
| 163 | return (0); |
| 164 | } |
| 165 | |
| 166 | static void |
| 167 | sf_pci_attach(device_t parent, device_t self, void *aux) |
| 168 | { |
| 169 | struct sf_pci_softc *psc = device_private(self); |
| 170 | struct sf_softc *sc = &psc->sc_starfire; |
| 171 | struct pci_attach_args *pa = aux; |
| 172 | pci_intr_handle_t ih; |
| 173 | const char *intrstr = NULL; |
| 174 | const struct sf_pci_product *spp; |
| 175 | bus_space_tag_t iot, memt; |
| 176 | bus_space_handle_t ioh, memh; |
| 177 | pcireg_t reg; |
| 178 | int error, ioh_valid, memh_valid; |
| 179 | char intrbuf[PCI_INTRSTR_LEN]; |
| 180 | |
| 181 | sc->sc_dev = self; |
| 182 | spp = sf_pci_lookup(pa); |
| 183 | if (spp == NULL) { |
| 184 | printf("\n" ); |
| 185 | panic("sf_pci_attach: impossible" ); |
| 186 | } |
| 187 | |
| 188 | printf(": %s, rev. %d\n" , spp->spp_name, PCI_REVISION(pa->pa_class)); |
| 189 | |
| 190 | /* power up chip */ |
| 191 | if ((error = pci_activate(pa->pa_pc, pa->pa_tag, self, NULL)) && |
| 192 | error != EOPNOTSUPP) { |
| 193 | aprint_error_dev(self, "cannot activate %d\n" , error); |
| 194 | return; |
| 195 | } |
| 196 | |
| 197 | /* |
| 198 | * Map the device. |
| 199 | */ |
| 200 | reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA); |
| 201 | switch (reg) { |
| 202 | case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: |
| 203 | case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: |
| 204 | memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA, |
| 205 | reg, 0, &memt, &memh, NULL, NULL) == 0); |
| 206 | break; |
| 207 | default: |
| 208 | memh_valid = 0; |
| 209 | } |
| 210 | |
| 211 | ioh_valid = (pci_mapreg_map(pa, |
| 212 | (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ? |
| 213 | SF_PCI_IOBA : SF_PCI_IOBA - 0x04, |
| 214 | PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL) == 0); |
| 215 | |
| 216 | if (memh_valid) { |
| 217 | sc->sc_st = memt; |
| 218 | sc->sc_sh = memh; |
| 219 | sc->sc_iomapped = 0; |
| 220 | } else if (ioh_valid) { |
| 221 | sc->sc_st = iot; |
| 222 | sc->sc_sh = ioh; |
| 223 | sc->sc_iomapped = 1; |
| 224 | } else { |
| 225 | aprint_error_dev(self, "unable to map device registers\n" ); |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | sc->sc_dmat = pa->pa_dmat; |
| 230 | |
| 231 | /* Make sure bus mastering is enabled. */ |
| 232 | pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, |
| 233 | pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | |
| 234 | PCI_COMMAND_MASTER_ENABLE); |
| 235 | |
| 236 | /* |
| 237 | * Map and establish our interrupt. |
| 238 | */ |
| 239 | if (pci_intr_map(pa, &ih)) { |
| 240 | aprint_error_dev(self, "unable to map interrupt\n" ); |
| 241 | return; |
| 242 | } |
| 243 | intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf)); |
| 244 | psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc); |
| 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 | |