if_fxp_cardbus.c revision 1.17
1 /* $NetBSD: if_fxp_cardbus.c,v 1.17 2002/10/02 16:33:42 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Johan Danielsson. 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * CardBus front-end for the Intel i82557 family of Ethernet chips. 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: if_fxp_cardbus.c,v 1.17 2002/10/02 16:33:42 thorpej Exp $"); 45 46 #include "opt_inet.h" 47 #include "opt_ns.h" 48 #include "bpfilter.h" 49 #include "rnd.h" 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/mbuf.h> 54 #include <sys/malloc.h> 55 #include <sys/kernel.h> 56 #include <sys/socket.h> 57 #include <sys/ioctl.h> 58 #include <sys/errno.h> 59 #include <sys/device.h> 60 61 #if NRND > 0 62 #include <sys/rnd.h> 63 #endif 64 65 #include <net/if.h> 66 #include <net/if_dl.h> 67 #include <net/if_media.h> 68 #include <net/if_ether.h> 69 70 #include <machine/endian.h> 71 72 #if NBPFILTER > 0 73 #include <net/bpf.h> 74 #endif 75 76 #ifdef INET 77 #include <netinet/in.h> 78 #include <netinet/if_inarp.h> 79 #endif 80 81 #ifdef NS 82 #include <netns/ns.h> 83 #include <netns/ns_if.h> 84 #endif 85 86 #include <machine/bus.h> 87 #include <machine/intr.h> 88 89 #include <dev/mii/miivar.h> 90 91 #include <dev/ic/i82557reg.h> 92 #include <dev/ic/i82557var.h> 93 94 #include <dev/pci/pcivar.h> 95 #include <dev/pci/pcireg.h> 96 #include <dev/pci/pcidevs.h> 97 98 #include <dev/cardbus/cardbusvar.h> 99 #include <dev/cardbus/cardbusdevs.h> 100 101 static int fxp_cardbus_match __P((struct device *, struct cfdata *, void *)); 102 static void fxp_cardbus_attach __P((struct device *, struct device *, void *)); 103 static int fxp_cardbus_detach __P((struct device * self, int flags)); 104 static void fxp_cardbus_setup __P((struct fxp_softc * sc)); 105 static int fxp_cardbus_enable __P((struct fxp_softc * sc)); 106 static void fxp_cardbus_disable __P((struct fxp_softc * sc)); 107 108 struct fxp_cardbus_softc { 109 struct fxp_softc sc; 110 cardbus_devfunc_t ct; 111 pcireg_t base0_reg; 112 pcireg_t base1_reg; 113 bus_size_t size; 114 }; 115 116 CFATTACH_DECL(fxp_cardbus, sizeof(struct fxp_cardbus_softc), 117 fxp_cardbus_match, fxp_cardbus_attach, fxp_cardbus_detach, fxp_activate); 118 119 #ifdef CBB_DEBUG 120 #define DPRINTF(X) printf X 121 #else 122 #define DPRINTF(X) 123 #endif 124 125 static int 126 fxp_cardbus_match(parent, match, aux) 127 struct device *parent; 128 struct cfdata *match; 129 void *aux; 130 { 131 struct cardbus_attach_args *ca = aux; 132 133 if (CARDBUS_VENDOR(ca->ca_id) == CARDBUS_VENDOR_INTEL && 134 CARDBUS_PRODUCT(ca->ca_id) == CARDBUS_PRODUCT_INTEL_82557) 135 return (1); 136 137 return (0); 138 } 139 140 static void 141 fxp_cardbus_attach(parent, self, aux) 142 struct device *parent, *self; 143 void *aux; 144 { 145 static const char thisfunc[] = "fxp_cardbus_attach"; 146 147 struct fxp_softc *sc = (struct fxp_softc *) self; 148 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self; 149 struct cardbus_attach_args *ca = aux; 150 bus_space_tag_t iot, memt; 151 bus_space_handle_t ioh, memh; 152 153 bus_addr_t adr; 154 bus_size_t size; 155 156 csc->ct = ca->ca_ct; 157 158 /* 159 * Map control/status registers. 160 */ 161 if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG, 162 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) { 163 csc->base1_reg = adr | 1; 164 sc->sc_st = iot; 165 sc->sc_sh = ioh; 166 csc->size = size; 167 } else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG, 168 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 169 0, &memt, &memh, &adr, &size) == 0) { 170 csc->base0_reg = adr; 171 sc->sc_st = memt; 172 sc->sc_sh = memh; 173 csc->size = size; 174 } else 175 panic("%s: failed to allocate mem and io space", thisfunc); 176 177 178 if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1]) 179 printf(": %s %s\n", ca->ca_cis.cis1_info[0], 180 ca->ca_cis.cis1_info[1]); 181 else 182 printf("\n"); 183 184 sc->sc_dmat = ca->ca_dmat; 185 sc->sc_enable = fxp_cardbus_enable; 186 sc->sc_disable = fxp_cardbus_disable; 187 sc->sc_enabled = 0; 188 189 fxp_enable(sc); 190 fxp_attach(sc); 191 fxp_disable(sc); 192 } 193 194 static void 195 fxp_cardbus_setup(struct fxp_softc * sc) 196 { 197 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc; 198 struct cardbus_softc *psc = 199 (struct cardbus_softc *) sc->sc_dev.dv_parent; 200 cardbus_chipset_tag_t cc = psc->sc_cc; 201 cardbus_function_tag_t cf = psc->sc_cf; 202 pcireg_t command; 203 204 cardbustag_t tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus, 205 csc->ct->ct_dev, csc->ct->ct_func); 206 207 command = Cardbus_conf_read(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG); 208 if (csc->base0_reg) { 209 Cardbus_conf_write(csc->ct, tag, 210 CARDBUS_BASE0_REG, csc->base0_reg); 211 (cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE); 212 command |= CARDBUS_COMMAND_MEM_ENABLE | 213 CARDBUS_COMMAND_MASTER_ENABLE; 214 } else if (csc->base1_reg) { 215 Cardbus_conf_write(csc->ct, tag, 216 CARDBUS_BASE1_REG, csc->base1_reg); 217 (cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE); 218 command |= (CARDBUS_COMMAND_IO_ENABLE | 219 CARDBUS_COMMAND_MASTER_ENABLE); 220 } 221 222 (cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE); 223 224 /* enable the card */ 225 Cardbus_conf_write(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG, command); 226 } 227 228 static int 229 fxp_cardbus_enable(struct fxp_softc * sc) 230 { 231 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc; 232 struct cardbus_softc *psc = 233 (struct cardbus_softc *) sc->sc_dev.dv_parent; 234 cardbus_chipset_tag_t cc = psc->sc_cc; 235 cardbus_function_tag_t cf = psc->sc_cf; 236 237 Cardbus_function_enable(csc->ct); 238 239 fxp_cardbus_setup(sc); 240 241 /* Map and establish the interrupt. */ 242 243 sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET, 244 fxp_intr, sc); 245 if (NULL == sc->sc_ih) { 246 printf("%s: couldn't establish interrupt\n", 247 sc->sc_dev.dv_xname); 248 return 1; 249 } 250 251 printf("%s: interrupting at %d\n", sc->sc_dev.dv_xname, 252 psc->sc_intrline); 253 254 return 0; 255 } 256 257 static void 258 fxp_cardbus_disable(struct fxp_softc * sc) 259 { 260 struct cardbus_softc *psc = 261 (struct cardbus_softc *) sc->sc_dev.dv_parent; 262 cardbus_chipset_tag_t cc = psc->sc_cc; 263 cardbus_function_tag_t cf = psc->sc_cf; 264 265 /* Remove interrupt handler. */ 266 cardbus_intr_disestablish(cc, cf, sc->sc_ih); 267 268 Cardbus_function_disable(((struct fxp_cardbus_softc *) sc)->ct); 269 } 270 271 static int 272 fxp_cardbus_detach(self, flags) 273 struct device *self; 274 int flags; 275 { 276 struct fxp_softc *sc = (struct fxp_softc *) self; 277 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self; 278 struct cardbus_devfunc *ct = csc->ct; 279 int rv, reg; 280 281 #ifdef DIAGNOSTIC 282 if (ct == NULL) 283 panic("%s: data structure lacks", sc->sc_dev.dv_xname); 284 #endif 285 286 rv = fxp_detach(sc); 287 if (rv == 0) { 288 /* 289 * Unhook the interrupt handler. 290 */ 291 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih); 292 293 /* 294 * release bus space and close window 295 */ 296 if (csc->base0_reg) 297 reg = CARDBUS_BASE0_REG; 298 else 299 reg = CARDBUS_BASE1_REG; 300 Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size); 301 } 302 return (rv); 303 } 304
Indexes created Tue Sep 30 11:09:46 GMT 2025