if_fxp_cardbus.c revision 1.44
1 /* $NetBSD: if_fxp_cardbus.c,v 1.44 2010/02/25 22:31:51 dyoung 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * CardBus front-end for the Intel i82557 family of Ethernet chips. 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: if_fxp_cardbus.c,v 1.44 2010/02/25 22:31:51 dyoung Exp $"); 38 39 #include "opt_inet.h" 40 #include "rnd.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/mbuf.h> 45 #include <sys/malloc.h> 46 #include <sys/kernel.h> 47 #include <sys/socket.h> 48 #include <sys/ioctl.h> 49 #include <sys/errno.h> 50 #include <sys/device.h> 51 52 #if NRND > 0 53 #include <sys/rnd.h> 54 #endif 55 56 #include <net/if.h> 57 #include <net/if_dl.h> 58 #include <net/if_media.h> 59 #include <net/if_ether.h> 60 61 #include <machine/endian.h> 62 63 #ifdef INET 64 #include <netinet/in.h> 65 #include <netinet/if_inarp.h> 66 #endif 67 68 69 #include <sys/bus.h> 70 #include <sys/intr.h> 71 72 #include <dev/mii/miivar.h> 73 74 #include <dev/ic/i82557reg.h> 75 #include <dev/ic/i82557var.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 #include <dev/pci/pcidevs.h> 83 84 static int fxp_cardbus_match(device_t, cfdata_t, void *); 85 static void fxp_cardbus_attach(device_t, device_t, void *); 86 static int fxp_cardbus_detach(device_t, int); 87 static void fxp_cardbus_setup(struct fxp_softc *); 88 static int fxp_cardbus_enable(struct fxp_softc *); 89 static void fxp_cardbus_disable(struct fxp_softc *); 90 91 struct fxp_cardbus_softc { 92 struct fxp_softc sc; 93 cardbus_devfunc_t ct; 94 cardbus_intr_line_t intrline; 95 pcitag_t tag; 96 pcireg_t base0_reg; 97 pcireg_t base1_reg; 98 bus_size_t size; 99 }; 100 101 CFATTACH_DECL_NEW(fxp_cardbus, sizeof(struct fxp_cardbus_softc), 102 fxp_cardbus_match, fxp_cardbus_attach, fxp_cardbus_detach, fxp_activate); 103 104 #ifdef CBB_DEBUG 105 #define DPRINTF(X) printf X 106 #else 107 #define DPRINTF(X) 108 #endif 109 110 static int 111 fxp_cardbus_match(device_t parent, cfdata_t match, 112 void *aux) 113 { 114 struct cardbus_attach_args *ca = aux; 115 116 if (CARDBUS_VENDOR(ca->ca_id) == PCI_VENDOR_INTEL && 117 CARDBUS_PRODUCT(ca->ca_id) == PCI_PRODUCT_INTEL_82557) 118 return (1); 119 120 return (0); 121 } 122 123 static void 124 fxp_cardbus_attach(device_t parent, device_t self, 125 void *aux) 126 { 127 struct fxp_cardbus_softc *csc = device_private(self); 128 struct fxp_softc *sc = &csc->sc; 129 struct cardbus_attach_args *ca = aux; 130 bus_space_tag_t iot, memt; 131 bus_space_handle_t ioh, memh; 132 133 bus_addr_t adr; 134 bus_size_t size; 135 136 sc->sc_dev = self; 137 csc->intrline = ca->ca_intrline; 138 csc->ct = ca->ca_ct; 139 csc->tag = ca->ca_tag; 140 141 /* 142 * Map control/status registers. 143 */ 144 if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG, 145 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) { 146 csc->base1_reg = adr | 1; 147 sc->sc_st = iot; 148 sc->sc_sh = ioh; 149 csc->size = size; 150 } else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG, 151 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 152 0, &memt, &memh, &adr, &size) == 0) { 153 csc->base0_reg = adr; 154 sc->sc_st = memt; 155 sc->sc_sh = memh; 156 csc->size = size; 157 } else 158 panic("%s: failed to allocate mem and io space", __func__); 159 160 if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1]) 161 printf(": %s %s\n", ca->ca_cis.cis1_info[0], 162 ca->ca_cis.cis1_info[1]); 163 else 164 printf("\n"); 165 166 sc->sc_rev = CARDBUS_REVISION(ca->ca_class); 167 if (sc->sc_rev >= FXP_REV_82558_A4) 168 sc->sc_flags |= FXPF_FC|FXPF_EXT_TXCB; 169 if (sc->sc_rev >= FXP_REV_82559_A0) 170 sc->sc_flags |= FXPF_82559_RXCSUM; 171 if (sc->sc_rev >= FXP_REV_82550) { 172 sc->sc_flags &= ~FXPF_82559_RXCSUM; 173 sc->sc_flags |= FXPF_EXT_RFA; 174 } 175 176 sc->sc_dmat = ca->ca_dmat; 177 sc->sc_enable = fxp_cardbus_enable; 178 sc->sc_disable = fxp_cardbus_disable; 179 sc->sc_enabled = 0; 180 181 fxp_enable(sc); 182 fxp_attach(sc); 183 fxp_disable(sc); 184 185 if (pmf_device_register(self, NULL, NULL)) 186 pmf_class_network_register(self, &sc->sc_ethercom.ec_if); 187 else 188 aprint_error_dev(self, "couldn't establish power handler\n"); 189 } 190 191 static void 192 fxp_cardbus_setup(struct fxp_softc * sc) 193 { 194 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *)sc; 195 cardbus_chipset_tag_t cc = csc->ct->ct_cc; 196 cardbus_function_tag_t cf = csc->ct->ct_cf; 197 pcireg_t command; 198 199 pcitag_t tag = csc->tag; 200 201 command = Cardbus_conf_read(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG); 202 if (csc->base0_reg) { 203 Cardbus_conf_write(csc->ct, tag, 204 CARDBUS_BASE0_REG, csc->base0_reg); 205 (cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE); 206 command |= CARDBUS_COMMAND_MEM_ENABLE | 207 CARDBUS_COMMAND_MASTER_ENABLE; 208 } else if (csc->base1_reg) { 209 Cardbus_conf_write(csc->ct, tag, 210 CARDBUS_BASE1_REG, csc->base1_reg); 211 (cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE); 212 command |= (CARDBUS_COMMAND_IO_ENABLE | 213 CARDBUS_COMMAND_MASTER_ENABLE); 214 } 215 216 (cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE); 217 218 /* enable the card */ 219 Cardbus_conf_write(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG, command); 220 } 221 222 static int 223 fxp_cardbus_enable(struct fxp_softc * sc) 224 { 225 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *)sc; 226 cardbus_chipset_tag_t cc = csc->ct->ct_cc; 227 cardbus_function_tag_t cf = csc->ct->ct_cf; 228 229 Cardbus_function_enable(csc->ct); 230 231 fxp_cardbus_setup(sc); 232 233 /* Map and establish the interrupt. */ 234 235 sc->sc_ih = cardbus_intr_establish(cc, cf, csc->intrline, IPL_NET, 236 fxp_intr, sc); 237 if (NULL == sc->sc_ih) { 238 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt\n"); 239 return 1; 240 } 241 242 return 0; 243 } 244 245 static void 246 fxp_cardbus_disable(struct fxp_softc * sc) 247 { 248 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *)sc; 249 struct cardbus_devfunc *ct = csc->ct; 250 cardbus_chipset_tag_t cc = ct->ct_cc; 251 cardbus_function_tag_t cf = ct->ct_cf; 252 253 /* Remove interrupt handler. */ 254 cardbus_intr_disestablish(cc, cf, sc->sc_ih); 255 256 Cardbus_function_disable(csc->ct); 257 } 258 259 static int 260 fxp_cardbus_detach(device_t self, int flags) 261 { 262 struct fxp_cardbus_softc *csc = device_private(self); 263 struct fxp_softc *sc = &csc->sc; 264 struct cardbus_devfunc *ct = csc->ct; 265 int rv, reg; 266 267 #ifdef DIAGNOSTIC 268 if (ct == NULL) 269 panic("%s: data structure lacks", device_xname(self)); 270 #endif 271 272 rv = fxp_detach(sc); 273 if (rv == 0) { 274 /* 275 * Unhook the interrupt handler. 276 */ 277 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih); 278 279 /* 280 * release bus space and close window 281 */ 282 if (csc->base0_reg) 283 reg = CARDBUS_BASE0_REG; 284 else 285 reg = CARDBUS_BASE1_REG; 286 Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size); 287 } 288 return (rv); 289 } 290
Indexes created Tue Sep 30 20:09:53 GMT 2025