if_fxp_cardbus.c revision 1.14
1 /* $NetBSD: if_fxp_cardbus.c,v 1.14 2002/09/27 15:37:12 provos 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 1.14 2002/09/27 15:37:12 provos 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 struct cfattach fxp_cardbus_ca = { 117 sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach, 118 fxp_cardbus_detach, fxp_activate 119 }; 120 121 #ifdef CBB_DEBUG 122 #define DPRINTF(X) printf X 123 #else 124 #define DPRINTF(X) 125 #endif 126 127 static int 128 fxp_cardbus_match(parent, match, aux) 129 struct device *parent; 130 struct cfdata *match; 131 void *aux; 132 { 133 struct cardbus_attach_args *ca = aux; 134 135 if (CARDBUS_VENDOR(ca->ca_id) == CARDBUS_VENDOR_INTEL && 136 CARDBUS_PRODUCT(ca->ca_id) == CARDBUS_PRODUCT_INTEL_82557) 137 return (1); 138 139 return (0); 140 } 141 142 static void 143 fxp_cardbus_attach(parent, self, aux) 144 struct device *parent, *self; 145 void *aux; 146 { 147 static const char thisfunc[] = "fxp_cardbus_attach"; 148 149 struct fxp_softc *sc = (struct fxp_softc *) self; 150 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self; 151 struct cardbus_attach_args *ca = aux; 152 bus_space_tag_t iot, memt; 153 bus_space_handle_t ioh, memh; 154 155 bus_addr_t adr; 156 bus_size_t size; 157 158 csc->ct = ca->ca_ct; 159 160 /* 161 * Map control/status registers. 162 */ 163 if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG, 164 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) { 165 csc->base1_reg = adr | 1; 166 sc->sc_st = iot; 167 sc->sc_sh = ioh; 168 csc->size = size; 169 } else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG, 170 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 171 0, &memt, &memh, &adr, &size) == 0) { 172 csc->base0_reg = adr; 173 sc->sc_st = memt; 174 sc->sc_sh = memh; 175 csc->size = size; 176 } else 177 panic("%s: failed to allocate mem and io space", thisfunc); 178 179 180 if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1]) 181 printf(": %s %s\n", ca->ca_cis.cis1_info[0], 182 ca->ca_cis.cis1_info[1]); 183 else 184 printf("\n"); 185 186 sc->sc_dmat = ca->ca_dmat; 187 sc->sc_enable = fxp_cardbus_enable; 188 sc->sc_disable = fxp_cardbus_disable; 189 sc->sc_enabled = 0; 190 191 fxp_enable(sc); 192 fxp_attach(sc); 193 fxp_disable(sc); 194 } 195 196 static void 197 fxp_cardbus_setup(struct fxp_softc * sc) 198 { 199 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc; 200 struct cardbus_softc *psc = 201 (struct cardbus_softc *) sc->sc_dev.dv_parent; 202 cardbus_chipset_tag_t cc = psc->sc_cc; 203 cardbus_function_tag_t cf = psc->sc_cf; 204 pcireg_t command; 205 206 cardbustag_t tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus, 207 csc->ct->ct_dev, csc->ct->ct_func); 208 209 command = Cardbus_conf_read(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG); 210 if (csc->base0_reg) { 211 Cardbus_conf_write(csc->ct, tag, 212 CARDBUS_BASE0_REG, csc->base0_reg); 213 (cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE); 214 command |= CARDBUS_COMMAND_MEM_ENABLE | 215 CARDBUS_COMMAND_MASTER_ENABLE; 216 } else if (csc->base1_reg) { 217 Cardbus_conf_write(csc->ct, tag, 218 CARDBUS_BASE1_REG, csc->base1_reg); 219 (cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE); 220 command |= (CARDBUS_COMMAND_IO_ENABLE | 221 CARDBUS_COMMAND_MASTER_ENABLE); 222 } 223 224 (cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE); 225 226 /* enable the card */ 227 Cardbus_conf_write(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG, command); 228 } 229 230 static int 231 fxp_cardbus_enable(struct fxp_softc * sc) 232 { 233 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc; 234 struct cardbus_softc *psc = 235 (struct cardbus_softc *) sc->sc_dev.dv_parent; 236 cardbus_chipset_tag_t cc = psc->sc_cc; 237 cardbus_function_tag_t cf = psc->sc_cf; 238 239 Cardbus_function_enable(csc->ct); 240 241 fxp_cardbus_setup(sc); 242 243 /* Map and establish the interrupt. */ 244 245 sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET, 246 fxp_intr, sc); 247 if (NULL == sc->sc_ih) { 248 printf("%s: couldn't establish interrupt\n", 249 sc->sc_dev.dv_xname); 250 return 1; 251 } 252 253 printf("%s: interrupting at %d\n", sc->sc_dev.dv_xname, 254 psc->sc_intrline); 255 256 return 0; 257 } 258 259 static void 260 fxp_cardbus_disable(struct fxp_softc * sc) 261 { 262 struct cardbus_softc *psc = 263 (struct cardbus_softc *) sc->sc_dev.dv_parent; 264 cardbus_chipset_tag_t cc = psc->sc_cc; 265 cardbus_function_tag_t cf = psc->sc_cf; 266 267 /* Remove interrupt handler. */ 268 cardbus_intr_disestablish(cc, cf, sc->sc_ih); 269 270 Cardbus_function_disable(((struct fxp_cardbus_softc *) sc)->ct); 271 } 272 273 static int 274 fxp_cardbus_detach(self, flags) 275 struct device *self; 276 int flags; 277 { 278 struct fxp_softc *sc = (struct fxp_softc *) self; 279 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self; 280 struct cardbus_devfunc *ct = csc->ct; 281 int rv, reg; 282 283 #ifdef DIAGNOSTIC 284 if (ct == NULL) 285 panic("%s: data structure lacks", sc->sc_dev.dv_xname); 286 #endif 287 288 rv = fxp_detach(sc); 289 if (rv == 0) { 290 /* 291 * Unhook the interrupt handler. 292 */ 293 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih); 294 295 /* 296 * release bus space and close window 297 */ 298 if (csc->base0_reg) 299 reg = CARDBUS_BASE0_REG; 300 else 301 reg = CARDBUS_BASE1_REG; 302 Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size); 303 } 304 return (rv); 305 } 306
Indexes created Tue Sep 30 17:09:57 GMT 2025