1 /* $OpenBSD: if_fxp_cardbus.c,v 1.23 2009/06/02 16:50:20 jsg Exp $ */ 2 /* $NetBSD: if_fxp_cardbus.c,v 1.12 2000/05/08 18:23:36 thorpej Exp $ */ 3 4 /* 5 * Copyright (c) 1999 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Johan Danielsson. 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 * CardBus front-end for the Intel i8255x family of Ethernet chips. 35 */ 36 37 #include "bpfilter.h" 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/mbuf.h> 42 #include <sys/socket.h> 43 #include <sys/ioctl.h> 44 #include <sys/errno.h> 45 #include <sys/malloc.h> 46 #include <sys/kernel.h> 47 #include <sys/timeout.h> 48 #include <sys/device.h> 49 50 #include <net/if.h> 51 #include <net/if_dl.h> 52 #include <net/if_types.h> 53 #include <net/if_media.h> 54 55 #include <machine/endian.h> 56 57 #if NBPFILTER > 0 58 #include <net/bpf.h> 59 #endif 60 61 #ifdef INET 62 #include <netinet/in.h> 63 #include <netinet/in_systm.h> 64 #include <netinet/in_var.h> 65 #include <netinet/ip.h> 66 #include <netinet/if_ether.h> 67 #endif 68 69 #include <machine/bus.h> 70 #include <machine/intr.h> 71 72 #include <dev/mii/miivar.h> 73 74 #include <dev/ic/fxpreg.h> 75 #include <dev/ic/fxpvar.h> 76 77 #include <dev/pci/pcivar.h> 78 #include <dev/pci/pcireg.h> 79 #include <dev/pci/pcidevs.h> 80 81 #include <dev/cardbus/cardbusvar.h> 82 83 int fxp_cardbus_match(struct device *, void *, void *); 84 void fxp_cardbus_attach(struct device *, struct device *, void *); 85 int fxp_cardbus_detach(struct device *, int); 86 void fxp_cardbus_setup(struct fxp_softc *); 87 88 struct fxp_cardbus_softc { 89 struct fxp_softc sc; 90 cardbus_devfunc_t ct; 91 cardbustag_t ct_tag; 92 pcireg_t base0_reg; 93 pcireg_t base1_reg; 94 bus_size_t size; 95 }; 96 97 struct cfattach fxp_cardbus_ca = { 98 sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach, 99 fxp_cardbus_detach 100 }; 101 102 const struct cardbus_matchid fxp_cardbus_devices[] = { 103 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255x }, 104 }; 105 106 #ifdef CBB_DEBUG 107 #define DPRINTF(X) printf X 108 #else 109 #define DPRINTF(X) 110 #endif 111 112 int 113 fxp_cardbus_match(struct device *parent, void *match, void *aux) 114 { 115 return (cardbus_matchbyid((struct cardbus_attach_args *)aux, 116 fxp_cardbus_devices, 117 sizeof(fxp_cardbus_devices)/sizeof(fxp_cardbus_devices[0]))); 118 } 119 120 void 121 fxp_cardbus_attach(struct device *parent, struct device *self, void *aux) 122 { 123 char intrstr[16]; 124 struct fxp_softc *sc = (struct fxp_softc *) self; 125 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self; 126 struct cardbus_attach_args *ca = aux; 127 struct cardbus_softc *psc = 128 (struct cardbus_softc *)sc->sc_dev.dv_parent; 129 cardbus_chipset_tag_t cc = psc->sc_cc; 130 cardbus_function_tag_t cf = psc->sc_cf; 131 bus_space_tag_t iot, memt; 132 bus_space_handle_t ioh, memh; 133 134 bus_addr_t adr; 135 bus_size_t size; 136 137 csc->ct = ca->ca_ct; 138 139 /* 140 * Map control/status registers. 141 */ 142 if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG, 143 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) { 144 csc->base1_reg = adr | 1; 145 sc->sc_st = iot; 146 sc->sc_sh = ioh; 147 csc->size = size; 148 } else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG, 149 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 150 0, &memt, &memh, &adr, &size) == 0) { 151 csc->base0_reg = adr; 152 sc->sc_st = memt; 153 sc->sc_sh = memh; 154 csc->size = size; 155 } else 156 panic("%s: failed to allocate mem and io space", __func__); 157 158 sc->sc_dmat = ca->ca_dmat; 159 #if 0 160 sc->sc_enable = fxp_cardbus_enable; 161 sc->sc_disable = fxp_cardbus_disable; 162 sc->sc_enabled = 0; 163 #endif 164 165 Cardbus_function_enable(csc->ct); 166 167 fxp_cardbus_setup(sc); 168 169 /* Map and establish the interrupt. */ 170 sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET, 171 fxp_intr, sc, sc->sc_dev.dv_xname); 172 if (NULL == sc->sc_ih) { 173 printf(": couldn't establish interrupt"); 174 printf("at %d\n", ca->ca_intrline); 175 return; 176 } 177 snprintf(intrstr, sizeof(intrstr), "irq %d", ca->ca_intrline); 178 179 sc->sc_revision = PCI_REVISION(ca->ca_class); 180 181 fxp_attach(sc, intrstr); 182 } 183 184 void 185 fxp_cardbus_setup(struct fxp_softc *sc) 186 { 187 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc; 188 struct cardbus_softc *psc = 189 (struct cardbus_softc *) sc->sc_dev.dv_parent; 190 cardbus_chipset_tag_t cc = psc->sc_cc; 191 cardbus_function_tag_t cf = psc->sc_cf; 192 pcireg_t command; 193 194 csc->ct_tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus, 195 csc->ct->ct_dev, csc->ct->ct_func); 196 197 command = cardbus_conf_read(cc, cf, csc->ct_tag, CARDBUS_COMMAND_STATUS_REG); 198 if (csc->base0_reg) { 199 cardbus_conf_write(cc, cf, csc->ct_tag, CARDBUS_BASE0_REG, csc->base0_reg); 200 (cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE); 201 command |= CARDBUS_COMMAND_MEM_ENABLE | 202 CARDBUS_COMMAND_MASTER_ENABLE; 203 } else if (csc->base1_reg) { 204 cardbus_conf_write(cc, cf, csc->ct_tag, CARDBUS_BASE1_REG, csc->base1_reg); 205 (cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE); 206 command |= (CARDBUS_COMMAND_IO_ENABLE | 207 CARDBUS_COMMAND_MASTER_ENABLE); 208 } 209 210 (cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE); 211 212 /* enable the card */ 213 cardbus_conf_write(cc, cf, csc->ct_tag, CARDBUS_COMMAND_STATUS_REG, command); 214 } 215 216 int 217 fxp_cardbus_detach(struct device *self, int flags) 218 { 219 struct fxp_softc *sc = (struct fxp_softc *) self; 220 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self; 221 struct cardbus_devfunc *ct = csc->ct; 222 int rv, reg; 223 224 #ifdef DIAGNOSTIC 225 if (ct == NULL) 226 panic("%s: data structure lacks", sc->sc_dev.dv_xname); 227 #endif 228 229 rv = fxp_detach(sc); 230 if (rv == 0) { 231 /* 232 * Unhook the interrupt handler. 233 */ 234 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih); 235 236 /* 237 * release bus space and close window 238 */ 239 if (csc->base0_reg) 240 reg = CARDBUS_BASE0_REG; 241 else 242 reg = CARDBUS_BASE1_REG; 243 Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size); 244 } 245 return (rv); 246 } 247