1 /* $OpenBSD: if_sf_pci.c,v 1.14 2015/11/24 17:11:39 mpi Exp $ */ 2 /* $NetBSD: if_sf_pci.c,v 1.10 2006/06/17 23:34:27 christos Exp $ */ 3 4 /*- 5 * Copyright (c) 2001 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jason R. Thorpe. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * PCI bus front-end for the Adaptec AIC-6915 (``Starfire'') 35 * 10/100 Ethernet controller. 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/mbuf.h> 41 #include <sys/malloc.h> 42 #include <sys/kernel.h> 43 #include <sys/socket.h> 44 #include <sys/ioctl.h> 45 #include <sys/errno.h> 46 #include <sys/device.h> 47 48 #include <net/if.h> 49 50 #include <netinet/in.h> 51 #include <netinet/if_ether.h> 52 53 #include <net/if_media.h> 54 55 #include <machine/bus.h> 56 #include <machine/intr.h> 57 58 #include <dev/mii/miivar.h> 59 60 #include <dev/ic/aic6915.h> 61 62 #include <dev/pci/pcireg.h> 63 #include <dev/pci/pcivar.h> 64 #include <dev/pci/pcidevs.h> 65 66 struct sf_pci_softc { 67 struct sf_softc sc_starfire; /* read Starfire softc */ 68 69 /* PCI-specific goo. */ 70 void *sc_ih; /* interrupt handle */ 71 }; 72 73 int sf_pci_match(struct device *, void *, void *); 74 void sf_pci_attach(struct device *, struct device *, void *); 75 76 struct cfattach sf_pci_ca = { 77 sizeof(struct sf_pci_softc), sf_pci_match, sf_pci_attach 78 }; 79 80 const struct pci_matchid sf_pci_products[] = { 81 { PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915 }, 82 }; 83 84 int 85 sf_pci_match(struct device *parent, void *match, void *aux) 86 { 87 return (pci_matchbyid((struct pci_attach_args *)aux, sf_pci_products, 88 nitems(sf_pci_products))); 89 } 90 91 void 92 sf_pci_attach(struct device *parent, struct device *self, void *aux) 93 { 94 struct sf_pci_softc *psc = (void *) self; 95 struct sf_softc *sc = &psc->sc_starfire; 96 struct pci_attach_args *pa = aux; 97 pci_intr_handle_t ih; 98 const char *intrstr = NULL; 99 bus_space_tag_t iot, memt; 100 bus_space_handle_t ioh, memh; 101 int ioh_valid, memh_valid; 102 bus_size_t iosize, memsize; 103 pcireg_t reg; 104 105 pci_set_powerstate(pa->pa_pc, pa->pa_tag, PCI_PMCSR_STATE_D0); 106 107 /* 108 * Map the device. 109 */ 110 reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA); 111 switch (reg) { 112 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 113 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 114 memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA, 115 reg, 0, &memt, &memh, &memsize, NULL, 0) == 0); 116 break; 117 default: 118 memh_valid = 0; 119 } 120 121 ioh_valid = (pci_mapreg_map(pa, 122 (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ? 123 SF_PCI_IOBA : SF_PCI_IOBA - 0x04, 124 PCI_MAPREG_TYPE_IO, 0, 125 &iot, &ioh, &iosize, NULL, 0) == 0); 126 127 if (memh_valid) { 128 sc->sc_st = memt; 129 sc->sc_sh = memh; 130 sc->sc_iomapped = 0; 131 } else if (ioh_valid) { 132 sc->sc_st = iot; 133 sc->sc_sh = ioh; 134 sc->sc_iomapped = 1; 135 } else { 136 printf(": unable to map device registers\n"); 137 return; 138 } 139 140 sc->sc_dmat = pa->pa_dmat; 141 142 /* 143 * Map and establish our interrupt. 144 */ 145 if (pci_intr_map(pa, &ih)) { 146 printf(": unable to map interrupt\n"); 147 goto out; 148 } 149 intrstr = pci_intr_string(pa->pa_pc, ih); 150 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc, 151 self->dv_xname); 152 if (psc->sc_ih == NULL) { 153 printf(": unable to establish interrupt"); 154 if (intrstr != NULL) 155 printf(" at %s", intrstr); 156 printf("\n"); 157 goto out; 158 } 159 printf(": %s", intrstr); 160 161 /* 162 * Finish off the attach. 163 */ 164 sf_attach(sc); 165 return; 166 167 out: 168 if (ioh_valid) 169 bus_space_unmap(iot, ioh, iosize); 170 if (memh_valid) 171 bus_space_unmap(memt, memh, memsize); 172 } 173