if_fxp_cardbus.c revision 1.50.24.1
1 /* $NetBSD: if_fxp_cardbus.c,v 1.50.24.1 2015/06/06 14:40:06 skrll 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 1.50.24.1 2015/06/06 14:40:06 skrll Exp $"); 38 39 #include "opt_inet.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/mbuf.h> 44 #include <sys/malloc.h> 45 #include <sys/kernel.h> 46 #include <sys/socket.h> 47 #include <sys/ioctl.h> 48 #include <sys/errno.h> 49 #include <sys/device.h> 50 51 #include <net/if.h> 52 #include <net/if_dl.h> 53 #include <net/if_media.h> 54 #include <net/if_ether.h> 55 56 #include <machine/endian.h> 57 58 #ifdef INET 59 #include <netinet/in.h> 60 #include <netinet/if_inarp.h> 61 #endif 62 63 64 #include <sys/bus.h> 65 #include <sys/intr.h> 66 67 #include <dev/mii/miivar.h> 68 69 #include <dev/ic/i82557reg.h> 70 #include <dev/ic/i82557var.h> 71 72 #include <dev/pci/pcivar.h> 73 #include <dev/pci/pcireg.h> 74 #include <dev/pci/pcidevs.h> 75 76 #include <dev/cardbus/cardbusvar.h> 77 #include <dev/pci/pcidevs.h> 78 79 static int fxp_cardbus_match(device_t, cfdata_t, void *); 80 static void fxp_cardbus_attach(device_t, device_t, void *); 81 static int fxp_cardbus_detach(device_t, int); 82 static void fxp_cardbus_setup(struct fxp_softc *); 83 static int fxp_cardbus_enable(struct fxp_softc *); 84 static void fxp_cardbus_disable(struct fxp_softc *); 85 86 struct fxp_cardbus_softc { 87 struct fxp_softc sc; 88 cardbus_devfunc_t ct; 89 pcitag_t tag; 90 pcireg_t base0_reg; 91 pcireg_t base1_reg; 92 }; 93 94 CFATTACH_DECL3_NEW(fxp_cardbus, sizeof(struct fxp_cardbus_softc), 95 fxp_cardbus_match, fxp_cardbus_attach, fxp_cardbus_detach, fxp_activate, 96 NULL, null_childdetached, DVF_DETACH_SHUTDOWN); 97 98 #ifdef CBB_DEBUG 99 #define DPRINTF(X) printf X 100 #else 101 #define DPRINTF(X) 102 #endif 103 104 static int 105 fxp_cardbus_match(device_t parent, cfdata_t match, 106 void *aux) 107 { 108 struct cardbus_attach_args *ca = aux; 109 110 if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_INTEL && 111 PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_INTEL_8255X) 112 return (1); 113 114 return (0); 115 } 116 117 static void 118 fxp_cardbus_attach(device_t parent, device_t self, 119 void *aux) 120 { 121 struct fxp_cardbus_softc *csc = device_private(self); 122 struct fxp_softc *sc = &csc->sc; 123 struct cardbus_attach_args *ca = aux; 124 bus_space_tag_t iot, memt; 125 bus_space_handle_t ioh, memh; 126 127 bus_addr_t adr; 128 129 sc->sc_dev = self; 130 csc->ct = ca->ca_ct; 131 csc->tag = ca->ca_tag; 132 133 /* 134 * Map control/status registers. 135 */ 136 if (Cardbus_mapreg_map(csc->ct, PCI_BAR1, 137 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &sc->sc_size) == 0) { 138 csc->base1_reg = adr | 1; 139 sc->sc_st = iot; 140 sc->sc_sh = ioh; 141 } else if (Cardbus_mapreg_map(csc->ct, PCI_BAR0, 142 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 143 0, &memt, &memh, &adr, &sc->sc_size) == 0) { 144 csc->base0_reg = adr; 145 sc->sc_st = memt; 146 sc->sc_sh = memh; 147 } else 148 panic("%s: failed to allocate mem and io space", __func__); 149 150 if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1]) 151 printf(": %s %s\n", ca->ca_cis.cis1_info[0], 152 ca->ca_cis.cis1_info[1]); 153 else 154 printf("\n"); 155 156 sc->sc_rev = PCI_REVISION(ca->ca_class); 157 if (sc->sc_rev >= FXP_REV_82558_A4) 158 sc->sc_flags |= FXPF_FC|FXPF_EXT_TXCB; 159 if (sc->sc_rev >= FXP_REV_82559_A0) 160 sc->sc_flags |= FXPF_82559_RXCSUM; 161 if (sc->sc_rev >= FXP_REV_82550) { 162 sc->sc_flags &= ~FXPF_82559_RXCSUM; 163 sc->sc_flags |= FXPF_EXT_RFA; 164 } 165 166 sc->sc_dmat = ca->ca_dmat; 167 sc->sc_enable = fxp_cardbus_enable; 168 sc->sc_disable = fxp_cardbus_disable; 169 sc->sc_enabled = 0; 170 171 fxp_enable(sc); 172 fxp_attach(sc); 173 fxp_disable(sc); 174 175 if (pmf_device_register(self, NULL, NULL)) 176 pmf_class_network_register(self, &sc->sc_ethercom.ec_if); 177 else 178 aprint_error_dev(self, "couldn't establish power handler\n"); 179 } 180 181 static void 182 fxp_cardbus_setup(struct fxp_softc * sc) 183 { 184 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *)sc; 185 pcireg_t command; 186 187 pcitag_t tag = csc->tag; 188 189 command = Cardbus_conf_read(csc->ct, tag, PCI_COMMAND_STATUS_REG); 190 if (csc->base0_reg) { 191 Cardbus_conf_write(csc->ct, tag, 192 PCI_BAR0, csc->base0_reg); 193 command |= PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE; 194 } else if (csc->base1_reg) { 195 Cardbus_conf_write(csc->ct, tag, 196 PCI_BAR1, csc->base1_reg); 197 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MASTER_ENABLE; 198 } 199 200 /* enable the card */ 201 Cardbus_conf_write(csc->ct, tag, PCI_COMMAND_STATUS_REG, command); 202 } 203 204 static int 205 fxp_cardbus_enable(struct fxp_softc * sc) 206 { 207 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *)sc; 208 cardbus_devfunc_t ct = csc->ct; 209 210 Cardbus_function_enable(csc->ct); 211 212 fxp_cardbus_setup(sc); 213 214 /* Map and establish the interrupt. */ 215 216 sc->sc_ih = Cardbus_intr_establish(ct, IPL_NET, fxp_intr, sc); 217 if (NULL == sc->sc_ih) { 218 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt\n"); 219 return 1; 220 } 221 222 return 0; 223 } 224 225 static void 226 fxp_cardbus_disable(struct fxp_softc * sc) 227 { 228 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *)sc; 229 cardbus_devfunc_t ct = csc->ct; 230 231 /* Remove interrupt handler. */ 232 Cardbus_intr_disestablish(ct, sc->sc_ih); 233 234 Cardbus_function_disable(csc->ct); 235 } 236 237 static int 238 fxp_cardbus_detach(device_t self, int flags) 239 { 240 struct fxp_cardbus_softc *csc = device_private(self); 241 struct fxp_softc *sc = &csc->sc; 242 struct cardbus_devfunc *ct = csc->ct; 243 int rv, reg; 244 245 #ifdef DIAGNOSTIC 246 if (ct == NULL) 247 panic("%s: data structure lacks", device_xname(self)); 248 #endif 249 250 if ((rv = fxp_detach(sc, flags)) != 0) 251 return rv; 252 /* 253 * Unhook the interrupt handler. 254 */ 255 Cardbus_intr_disestablish(ct, sc->sc_ih); 256 257 /* 258 * release bus space and close window 259 */ 260 if (csc->base0_reg) 261 reg = PCI_BAR0; 262 else 263 reg = PCI_BAR1; 264 Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, sc->sc_size); 265 return 0; 266 } 267
Indexes created Wed Oct 22 13:09:56 GMT 2025