/* $NetBSD: if_sf_pci.c,v 1.21 2016/07/07 06:55:41 msaitoh Exp $ */ /*- * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * PCI bus front-end for the Adaptec AIC-6915 (``Starfire'') * 10/100 Ethernet controller. */ #include __KERNEL_RCSID(0, "$NetBSD: if_sf_pci.c,v 1.21 2016/07/07 06:55:41 msaitoh Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct sf_pci_softc { struct sf_softc sc_starfire; /* read Starfire softc */ /* PCI-specific goo. */ void *sc_ih; /* interrupt handle */ }; static int sf_pci_match(device_t, cfdata_t, void *); static void sf_pci_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(sf_pci, sizeof(struct sf_pci_softc), sf_pci_match, sf_pci_attach, NULL, NULL); struct sf_pci_product { uint32_t spp_vendor; /* PCI vendor ID */ uint32_t spp_product; /* PCI product ID */ const char *spp_name; /* product name */ const struct sf_pci_product *spp_subsys; /* subsystm IDs */ }; static const struct sf_pci_product sf_subsys_adaptec[] = { /* ANA-62011 (rev 0) Single port 10/100 64-bit */ { PCI_VENDOR_ADP, 0x0008, "ANA-62011 (rev 0) 10/100 Ethernet", NULL }, /* ANA-62011 (rev 1) Single port 10/100 64-bit */ { PCI_VENDOR_ADP, 0x0009, "ANA-62011 (rev 1) 10/100 Ethernet", NULL }, /* ANA-62022 Dual port 10/100 64-bit */ { PCI_VENDOR_ADP, 0x0010, "ANA-62022 10/100 Ethernet", NULL }, /* ANA-62044 (rev 0) Quad port 10/100 64-bit */ { PCI_VENDOR_ADP, 0x0018, "ANA-62044 (rev 0) 10/100 Ethernet", NULL }, /* ANA-62044 (rev 1) Quad port 10/100 64-bit */ { PCI_VENDOR_ADP, 0x0019, "ANA-62044 (rev 1) 10/100 Ethernet", NULL }, /* ANA-62020 Single port 100baseFX 64-bit */ { PCI_VENDOR_ADP, 0x0020, "ANA-62020 100baseFX Ethernet", NULL }, /* ANA-69011 Single port 10/100 32-bit */ { PCI_VENDOR_ADP, 0x0028, "ANA-69011 10/100 Ethernet", NULL }, { 0, 0, NULL, NULL }, }; static const struct sf_pci_product sf_pci_products[] = { { PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915, "AIC-6915 10/100 Ethernet", sf_subsys_adaptec }, { 0, 0, NULL, NULL }, }; static const struct sf_pci_product * sf_pci_lookup(const struct pci_attach_args *pa) { const struct sf_pci_product *spp, *subspp; pcireg_t subsysid; for (spp = sf_pci_products; spp->spp_name != NULL; spp++) { if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor && PCI_PRODUCT(pa->pa_id) == spp->spp_product) { subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); for (subspp = spp->spp_subsys; subspp->spp_name != NULL; subspp++) { if (PCI_VENDOR(subsysid) == subspp->spp_vendor || PCI_PRODUCT(subsysid) == subspp->spp_product) { return (subspp); } } return (spp); } } return (NULL); } static int sf_pci_match(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa = aux; if (sf_pci_lookup(pa) != NULL) return (1); return (0); } static void sf_pci_attach(device_t parent, device_t self, void *aux) { struct sf_pci_softc *psc = device_private(self); struct sf_softc *sc = &psc->sc_starfire; struct pci_attach_args *pa = aux; pci_intr_handle_t ih; const char *intrstr = NULL; const struct sf_pci_product *spp; bus_space_tag_t iot, memt; bus_space_handle_t ioh, memh; pcireg_t reg; int error, ioh_valid, memh_valid; char intrbuf[PCI_INTRSTR_LEN]; sc->sc_dev = self; spp = sf_pci_lookup(pa); if (spp == NULL) { printf("\n"); panic("sf_pci_attach: impossible"); } printf(": %s, rev. %d\n", spp->spp_name, PCI_REVISION(pa->pa_class)); /* power up chip */ if ((error = pci_activate(pa->pa_pc, pa->pa_tag, self, NULL)) && error != EOPNOTSUPP) { aprint_error_dev(self, "cannot activate %d\n", error); return; } /* * Map the device. */ reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA); switch (reg) { case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA, reg, 0, &memt, &memh, NULL, NULL) == 0); break; default: memh_valid = 0; } ioh_valid = (pci_mapreg_map(pa, (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ? SF_PCI_IOBA : SF_PCI_IOBA - 0x04, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL) == 0); if (memh_valid) { sc->sc_st = memt; sc->sc_sh = memh; sc->sc_iomapped = 0; } else if (ioh_valid) { sc->sc_st = iot; sc->sc_sh = ioh; sc->sc_iomapped = 1; } else { aprint_error_dev(self, "unable to map device registers\n"); return; } sc->sc_dmat = pa->pa_dmat; /* Make sure bus mastering is enabled. */ pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | PCI_COMMAND_MASTER_ENABLE); /* * Map and establish our interrupt. */ if (pci_intr_map(pa, &ih)) { aprint_error_dev(self, "unable to map interrupt\n"); return; } intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf)); psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc); if (psc->sc_ih == NULL) { aprint_error_dev(self, "unable to establish interrupt"); if (intrstr != NULL) aprint_error(" at %s", intrstr); aprint_error("\n"); return; } aprint_normal_dev(self, "interrupting at %s\n", intrstr); /* * Finish off the attach. */ sf_attach(sc); }