if_fxp_cardbus.c revision 1.10
1/* $OpenBSD: if_fxp_cardbus.c,v 1.10 2005/01/14 01:06:16 pvalchev 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40/* 41 * CardBus front-end for the Intel i82557 family of Ethernet chips. 42 */ 43 44#include "bpfilter.h" 45 46#include <sys/param.h> 47#include <sys/systm.h> 48#include <sys/mbuf.h> 49#include <sys/socket.h> 50#include <sys/ioctl.h> 51#include <sys/errno.h> 52#include <sys/malloc.h> 53#include <sys/kernel.h> 54#include <sys/device.h> 55 56#include <net/if.h> 57#include <net/if_dl.h> 58#include <net/if_types.h> 59#include <net/if_media.h> 60 61#include <machine/endian.h> 62 63#if NBPFILTER > 0 64#include <net/bpf.h> 65#endif 66 67#ifdef INET 68#include <netinet/in.h> 69#include <netinet/in_systm.h> 70#include <netinet/in_var.h> 71#include <netinet/ip.h> 72#include <netinet/if_ether.h> 73#endif 74 75#include <machine/bus.h> 76#include <machine/intr.h> 77 78#include <dev/mii/miivar.h> 79 80#include <dev/ic/fxpreg.h> 81#include <dev/ic/fxpvar.h> 82 83#include <dev/pci/pcivar.h> 84#include <dev/pci/pcireg.h> 85#include <dev/pci/pcidevs.h> 86 87#include <dev/cardbus/cardbusvar.h> 88 89int fxp_cardbus_match(struct device *, void *, void *); 90void fxp_cardbus_attach(struct device *, struct device *, void *); 91int fxp_cardbus_detach(struct device *, int); 92void fxp_cardbus_setup(struct fxp_softc *); 93 94struct fxp_cardbus_softc { 95 struct fxp_softc sc; 96 cardbus_devfunc_t ct; 97 pcireg_t base0_reg; 98 pcireg_t base1_reg; 99 bus_size_t size; 100}; 101 102struct cfattach fxp_cardbus_ca = { 103 sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach, 104 fxp_cardbus_detach 105}; 106 107#ifdef CBB_DEBUG 108#define DPRINTF(X) printf X 109#else 110#define DPRINTF(X) 111#endif 112 113int 114fxp_cardbus_match(parent, match, aux) 115 struct device *parent; 116 void *match; 117 void *aux; 118{ 119 struct cardbus_attach_args *ca = aux; 120 121 if (CARDBUS_VENDOR(ca->ca_id) == PCI_VENDOR_INTEL && 122 CARDBUS_PRODUCT(ca->ca_id) == PCI_PRODUCT_INTEL_82557) 123 return (1); 124 125 return (0); 126} 127 128void 129fxp_cardbus_attach(parent, self, aux) 130 struct device *parent, *self; 131 void *aux; 132{ 133 static const char thisfunc[] = "fxp_cardbus_attach"; 134 135 char intrstr[16]; 136 struct fxp_softc *sc = (struct fxp_softc *) self; 137 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self; 138 struct cardbus_attach_args *ca = aux; 139 struct cardbus_softc *psc = 140 (struct cardbus_softc *)sc->sc_dev.dv_parent; 141 cardbus_chipset_tag_t cc = psc->sc_cc; 142 cardbus_function_tag_t cf = psc->sc_cf; 143 bus_space_tag_t iot, memt; 144 bus_space_handle_t ioh, memh; 145 146 bus_addr_t adr; 147 bus_size_t size; 148 149 csc->ct = ca->ca_ct; 150 151 /* 152 * Map control/status registers. 153 */ 154 if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG, 155 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) { 156 csc->base1_reg = adr | 1; 157 sc->sc_st = iot; 158 sc->sc_sh = ioh; 159 csc->size = size; 160 } else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG, 161 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 162 0, &memt, &memh, &adr, &size) == 0) { 163 csc->base0_reg = adr; 164 sc->sc_st = memt; 165 sc->sc_sh = memh; 166 csc->size = size; 167 } else 168 panic("%s: failed to allocate mem and io space", thisfunc); 169 170 if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1]) 171 printf(": %s %s", ca->ca_cis.cis1_info[0], 172 ca->ca_cis.cis1_info[1]); 173 else 174 printf("\n"); 175 176 sc->sc_dmat = ca->ca_dmat; 177#if 0 178 sc->sc_enable = fxp_cardbus_enable; 179 sc->sc_disable = fxp_cardbus_disable; 180 sc->sc_enabled = 0; 181#endif 182 183 Cardbus_function_enable(csc->ct); 184 185 fxp_cardbus_setup(sc); 186 187 /* Map and establish the interrupt. */ 188 sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET, 189 fxp_intr, sc); 190 if (NULL == sc->sc_ih) { 191 printf(": couldn't establish interrupt"); 192 printf("at %d\n", ca->ca_intrline); 193 return; 194 } 195 snprintf(intrstr, sizeof(intrstr), "irq %d", ca->ca_intrline); 196 197 sc->sc_revision = PCI_REVISION(ca->ca_class); 198 199 fxp_attach_common(sc, intrstr); 200} 201 202void 203fxp_cardbus_setup(struct fxp_softc * sc) 204{ 205 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc; 206 struct cardbus_softc *psc = 207 (struct cardbus_softc *) sc->sc_dev.dv_parent; 208 cardbus_chipset_tag_t cc = psc->sc_cc; 209 cardbus_function_tag_t cf = psc->sc_cf; 210 pcireg_t command; 211 212 cardbustag_t tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus, 213 csc->ct->ct_dev, csc->ct->ct_func); 214 215 command = Cardbus_conf_read(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG); 216 if (csc->base0_reg) { 217 Cardbus_conf_write(csc->ct, tag, 218 CARDBUS_BASE0_REG, csc->base0_reg); 219 (cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE); 220 command |= CARDBUS_COMMAND_MEM_ENABLE | 221 CARDBUS_COMMAND_MASTER_ENABLE; 222 } else if (csc->base1_reg) { 223 Cardbus_conf_write(csc->ct, tag, 224 CARDBUS_BASE1_REG, csc->base1_reg); 225 (cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE); 226 command |= (CARDBUS_COMMAND_IO_ENABLE | 227 CARDBUS_COMMAND_MASTER_ENABLE); 228 } 229 230 (cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE); 231 232 /* enable the card */ 233 Cardbus_conf_write(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG, command); 234} 235 236int 237fxp_cardbus_detach(self, flags) 238 struct device *self; 239 int flags; 240{ 241 struct fxp_softc *sc = (struct fxp_softc *) self; 242 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self; 243 struct cardbus_devfunc *ct = csc->ct; 244 int rv, reg; 245 246#ifdef DIAGNOSTIC 247 if (ct == NULL) 248 panic("%s: data structure lacks", sc->sc_dev.dv_xname); 249#endif 250 251 rv = fxp_detach(sc); 252 if (rv == 0) { 253 /* 254 * Unhook the interrupt handler. 255 */ 256 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih); 257 258 /* 259 * release bus space and close window 260 */ 261 if (csc->base0_reg) 262 reg = CARDBUS_BASE0_REG; 263 else 264 reg = CARDBUS_BASE1_REG; 265 Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size); 266 } 267 return (rv); 268} 269