1 /* $OpenBSD: if_sf_pci.c,v 1.7 2008/06/26 05:42:17 ray 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 #include <net/if_dl.h> 50 #include <net/if_types.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/in_systm.h> 55 #include <netinet/in_var.h> 56 #include <netinet/ip.h> 57 #include <netinet/if_ether.h> 58 #endif 59 60 #include <net/if_media.h> 61 62 #include <machine/bus.h> 63 #include <machine/intr.h> 64 65 #include <dev/mii/miivar.h> 66 67 #include <dev/ic/aic6915.h> 68 69 #include <dev/pci/pcireg.h> 70 #include <dev/pci/pcivar.h> 71 #include <dev/pci/pcidevs.h> 72 73 struct sf_pci_softc { 74 struct sf_softc sc_starfire; /* read Starfire softc */ 75 76 /* PCI-specific goo. */ 77 void *sc_ih; /* interrupt handle */ 78 }; 79 80 int sf_pci_match(struct device *, void *, void *); 81 void sf_pci_attach(struct device *, struct device *, void *); 82 83 struct cfattach sf_pci_ca = { 84 sizeof(struct sf_pci_softc), sf_pci_match, sf_pci_attach 85 }; 86 87 const struct pci_matchid sf_pci_products[] = { 88 { PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915 }, 89 }; 90 91 int 92 sf_pci_match(struct device *parent, void *match, void *aux) 93 { 94 return (pci_matchbyid((struct pci_attach_args *)aux, sf_pci_products, 95 sizeof(sf_pci_products)/sizeof(sf_pci_products[0]))); 96 } 97 98 void 99 sf_pci_attach(struct device *parent, struct device *self, void *aux) 100 { 101 struct sf_pci_softc *psc = (void *) self; 102 struct sf_softc *sc = &psc->sc_starfire; 103 struct pci_attach_args *pa = aux; 104 pci_intr_handle_t ih; 105 const char *intrstr = NULL; 106 bus_space_tag_t iot, memt; 107 bus_space_handle_t ioh, memh; 108 int state, ioh_valid, memh_valid; 109 bus_size_t iosize, memsize; 110 pcireg_t reg; 111 112 state = pci_set_powerstate(pa->pa_pc, pa->pa_tag, PCI_PMCSR_STATE_D0); 113 if (state == PCI_PMCSR_STATE_D3) { 114 printf(": unable to wake up from power state D3, " 115 "reboot required.\n"); 116 return; 117 } 118 119 /* 120 * Map the device. 121 */ 122 reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA); 123 switch (reg) { 124 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 125 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 126 memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA, 127 reg, 0, &memt, &memh, &memsize, NULL, 0) == 0); 128 break; 129 default: 130 memh_valid = 0; 131 } 132 133 ioh_valid = (pci_mapreg_map(pa, 134 (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ? 135 SF_PCI_IOBA : SF_PCI_IOBA - 0x04, 136 PCI_MAPREG_TYPE_IO, 0, 137 &iot, &ioh, &iosize, NULL, 0) == 0); 138 139 if (memh_valid) { 140 sc->sc_st = memt; 141 sc->sc_sh = memh; 142 sc->sc_iomapped = 0; 143 } else if (ioh_valid) { 144 sc->sc_st = iot; 145 sc->sc_sh = ioh; 146 sc->sc_iomapped = 1; 147 } else { 148 printf(": unable to map device registers\n"); 149 return; 150 } 151 152 sc->sc_dmat = pa->pa_dmat; 153 154 /* 155 * Map and establish our interrupt. 156 */ 157 if (pci_intr_map(pa, &ih)) { 158 printf(": unable to map interrupt\n"); 159 goto out; 160 } 161 intrstr = pci_intr_string(pa->pa_pc, ih); 162 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc, 163 self->dv_xname); 164 if (psc->sc_ih == NULL) { 165 printf(": unable to establish interrupt"); 166 if (intrstr != NULL) 167 printf(" at %s", intrstr); 168 printf("\n"); 169 goto out; 170 } 171 printf(": %s", intrstr); 172 173 /* 174 * Finish off the attach. 175 */ 176 sf_attach(sc); 177 return; 178 179 out: 180 if (ioh_valid) 181 bus_space_unmap(iot, ioh, iosize); 182 if (memh_valid) 183 bus_space_unmap(memt, memh, memsize); 184 } 185