if_fxp_cardbus.c revision 1.18
1/* $OpenBSD: if_fxp_cardbus.c,v 1.18 2006/10/12 16:35:52 grange 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 i8255x 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/timeout.h> 55#include <sys/device.h> 56 57#include <net/if.h> 58#include <net/if_dl.h> 59#include <net/if_types.h> 60#include <net/if_media.h> 61 62#include <machine/endian.h> 63 64#if NBPFILTER > 0 65#include <net/bpf.h> 66#endif 67 68#ifdef INET 69#include <netinet/in.h> 70#include <netinet/in_systm.h> 71#include <netinet/in_var.h> 72#include <netinet/ip.h> 73#include <netinet/if_ether.h> 74#endif 75 76#include <machine/bus.h> 77#include <machine/intr.h> 78 79#include <dev/mii/miivar.h> 80 81#include <dev/ic/fxpreg.h> 82#include <dev/ic/fxpvar.h> 83 84#include <dev/pci/pcivar.h> 85#include <dev/pci/pcireg.h> 86#include <dev/pci/pcidevs.h> 87 88#include <dev/cardbus/cardbusvar.h> 89 90int fxp_cardbus_match(struct device *, void *, void *); 91void fxp_cardbus_attach(struct device *, struct device *, void *); 92int fxp_cardbus_detach(struct device *, int); 93void fxp_cardbus_setup(struct fxp_softc *); 94 95struct fxp_cardbus_softc { 96 struct fxp_softc sc; 97 cardbus_devfunc_t ct; 98 cardbustag_t ct_tag; 99 pcireg_t base0_reg; 100 pcireg_t base1_reg; 101 bus_size_t size; 102}; 103 104struct cfattach fxp_cardbus_ca = { 105 sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach, 106 fxp_cardbus_detach 107}; 108 109const struct cardbus_matchid fxp_cardbus_devices[] = { 110 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255x }, 111}; 112 113#ifdef CBB_DEBUG 114#define DPRINTF(X) printf X 115#else 116#define DPRINTF(X) 117#endif 118 119int 120fxp_cardbus_match(struct device *parent, void *match, void *aux) 121{ 122 return (cardbus_matchbyid((struct cardbus_attach_args *)aux, 123 fxp_cardbus_devices, 124 sizeof(fxp_cardbus_devices)/sizeof(fxp_cardbus_devices[0]))); 125} 126 127void 128fxp_cardbus_attach(struct device *parent, struct device *self, void *aux) 129{ 130 char intrstr[16]; 131 struct fxp_softc *sc = (struct fxp_softc *) self; 132 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self; 133 struct cardbus_attach_args *ca = aux; 134 struct cardbus_softc *psc = 135 (struct cardbus_softc *)sc->sc_dev.dv_parent; 136 cardbus_chipset_tag_t cc = psc->sc_cc; 137 cardbus_function_tag_t cf = psc->sc_cf; 138 bus_space_tag_t iot, memt; 139 bus_space_handle_t ioh, memh; 140 141 bus_addr_t adr; 142 bus_size_t size; 143 144 csc->ct = ca->ca_ct; 145 146 /* 147 * Map control/status registers. 148 */ 149 if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG, 150 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) { 151 csc->base1_reg = adr | 1; 152 sc->sc_st = iot; 153 sc->sc_sh = ioh; 154 csc->size = size; 155 } else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG, 156 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 157 0, &memt, &memh, &adr, &size) == 0) { 158 csc->base0_reg = adr; 159 sc->sc_st = memt; 160 sc->sc_sh = memh; 161 csc->size = size; 162 } else 163 panic("%s: failed to allocate mem and io space", __func__); 164 165 if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1]) 166 printf(": %s %s", ca->ca_cis.cis1_info[0], 167 ca->ca_cis.cis1_info[1]); 168 else 169 printf("\n"); 170 171 sc->sc_dmat = ca->ca_dmat; 172#if 0 173 sc->sc_enable = fxp_cardbus_enable; 174 sc->sc_disable = fxp_cardbus_disable; 175 sc->sc_enabled = 0; 176#endif 177 178 Cardbus_function_enable(csc->ct); 179 180 fxp_cardbus_setup(sc); 181 182 /* Map and establish the interrupt. */ 183 sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET, 184 fxp_intr, sc, sc->sc_dev.dv_xname); 185 if (NULL == sc->sc_ih) { 186 printf(": couldn't establish interrupt"); 187 printf("at %d\n", ca->ca_intrline); 188 return; 189 } 190 snprintf(intrstr, sizeof(intrstr), "irq %d", ca->ca_intrline); 191 192 sc->sc_revision = PCI_REVISION(ca->ca_class); 193 194 fxp_attach(sc, intrstr); 195} 196 197void 198fxp_cardbus_setup(struct fxp_softc *sc) 199{ 200 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc; 201 struct cardbus_softc *psc = 202 (struct cardbus_softc *) sc->sc_dev.dv_parent; 203 cardbus_chipset_tag_t cc = psc->sc_cc; 204 cardbus_function_tag_t cf = psc->sc_cf; 205 pcireg_t command; 206 207 csc->ct_tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus, 208 csc->ct->ct_dev, csc->ct->ct_func); 209 210 command = cardbus_conf_read(cc, cf, csc->ct_tag, CARDBUS_COMMAND_STATUS_REG); 211 if (csc->base0_reg) { 212 cardbus_conf_write(cc, cf, csc->ct_tag, 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(cc, cf, csc->ct_tag, CARDBUS_BASE1_REG, csc->base1_reg); 218 (cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE); 219 command |= (CARDBUS_COMMAND_IO_ENABLE | 220 CARDBUS_COMMAND_MASTER_ENABLE); 221 } 222 223 (cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE); 224 225 /* enable the card */ 226 cardbus_conf_write(cc, cf, csc->ct_tag, CARDBUS_COMMAND_STATUS_REG, command); 227} 228 229int 230fxp_cardbus_detach(struct device *self, int flags) 231{ 232 struct fxp_softc *sc = (struct fxp_softc *) self; 233 struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self; 234 struct cardbus_devfunc *ct = csc->ct; 235 int rv, reg; 236 237#ifdef DIAGNOSTIC 238 if (ct == NULL) 239 panic("%s: data structure lacks", sc->sc_dev.dv_xname); 240#endif 241 242 rv = fxp_detach(sc); 243 if (rv == 0) { 244 /* 245 * Unhook the interrupt handler. 246 */ 247 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih); 248 249 /* 250 * release bus space and close window 251 */ 252 if (csc->base0_reg) 253 reg = CARDBUS_BASE0_REG; 254 else 255 reg = CARDBUS_BASE1_REG; 256 Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size); 257 } 258 return (rv); 259} 260