if_ep_mca.c revision 1.16
1/* $NetBSD: if_ep_mca.c,v 1.16 2006/10/12 01:31:25 christos Exp $ */ 2 3/*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jaromir Dolecek. 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 * Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org> 41 * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org> 42 * All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by Herb Peyerl. 55 * 4. The name of Herb Peyerl may not be used to endorse or promote products 56 * derived from this software without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 59 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 60 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 61 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 62 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 63 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 64 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 65 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 66 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 67 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 68 */ 69 70/* 71 * Driver for 3Com 3c529 cards. 72 * 73 * If you encouter sucky performance, try kernel without DEBUG/DIAGNOSTIC. 74 * This helped on my test machine to change the performance of the card 75 * from like 5KB/s to like 800 KB/s. 76 */ 77 78#include <sys/cdefs.h> 79__KERNEL_RCSID(0, "$NetBSD: if_ep_mca.c,v 1.16 2006/10/12 01:31:25 christos Exp $"); 80 81#include <sys/param.h> 82#include <sys/systm.h> 83#include <sys/mbuf.h> 84#include <sys/socket.h> 85#include <sys/ioctl.h> 86#include <sys/errno.h> 87#include <sys/device.h> 88 89#include <net/if.h> 90#include <net/if_ether.h> 91#include <net/if_media.h> 92 93#include <machine/bus.h> 94 95#include <dev/mii/miivar.h> 96 97#include <dev/ic/elink3var.h> 98#include <dev/ic/elink3reg.h> 99 100#include <dev/mca/mcavar.h> 101#include <dev/mca/mcadevs.h> 102 103/* 104 * MCA constants. 105 */ 106#define MCA_CBIO 0x200 /* Configuration Base IO Address */ 107#define MCA_IOSZ 0x10 /* I/O space size */ 108 109int ep_mca_match(struct device *, struct cfdata *, void *); 110void ep_mca_attach(struct device *, struct device *, void *); 111 112CFATTACH_DECL(ep_mca, sizeof(struct ep_softc), 113 ep_mca_match, ep_mca_attach, NULL, NULL); 114 115const struct ep_mca_product { 116 u_int32_t epp_prodid; /* MCA product ID */ 117 const char *epp_name; /* device name */ 118} ep_mca_products[] = { 119 { MCA_PRODUCT_3C529, "3C529 Ethernet Adapter" }, 120 { MCA_PRODUCT_3C529_TP, "3c529-TP Ethernet Adapter" }, 121 { MCA_PRODUCT_3C529_TM, "3c529 Ethernet Adapter (test mode)" }, 122 { MCA_PRODUCT_3C529_2T, "3c529 Ethernet Adapter (10base2/T)" }, 123 { MCA_PRODUCT_3C529_T, "3c529 Ethernet Adapter (10baseT)" }, 124 125 { 0, NULL }, 126}; 127 128static const struct ep_mca_product *ep_mca_lookup 129 (const struct mca_attach_args *); 130 131static const struct ep_mca_product * 132ep_mca_lookup(ma) 133 const struct mca_attach_args *ma; 134{ 135 const struct ep_mca_product *epp; 136 137 for (epp = ep_mca_products; epp->epp_name != NULL; epp++) 138 if (ma->ma_id == epp->epp_prodid) 139 return (epp); 140 141 return (NULL); 142} 143 144int 145ep_mca_match(struct device *parent __unused, struct cfdata *match __unused, 146 void *aux) 147{ 148 struct mca_attach_args *ma = (struct mca_attach_args *) aux; 149 150 if (ep_mca_lookup(ma) != NULL) 151 return (1); 152 153 return (0); 154} 155 156void 157ep_mca_attach(struct device *parent __unused, struct device *self, void *aux) 158{ 159 struct ep_softc *sc = device_private(self); 160 struct mca_attach_args *ma = aux; 161 bus_space_handle_t ioh; 162 int pos4, pos5, iobase, irq, media; 163 const struct ep_mca_product *epp; 164 165 pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4); 166 pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5); 167 168 /* 169 * POS register 2: (adf pos0) 170 * 7 6 5 4 3 2 1 0 171 * \__ enable: 0=adapter disabled, 1=adapter enabled 172 * 173 * POS register 3: (adf pos1) 174 * 175 * 7 6 5 4 3 2 1 0 176 * \________/ 177 * \_______ Boot ROM Address Range: 0=disabled 178 * X=0xc2000-0xc3fff + (x * 0x2000) 179 * 180 * POS register 4: (adf pos2) 181 * 182 * 7 6 5 4 3 2 1 0 183 * \________/ \_/ 184 * \ \__ Transceiver Type: 00=on-board (RJ45), 01=ext(AUI) 185 * \______ I/O Address Range: 0x200-0x20f + ((x>>2) * 0x400) 186 * 187 * POS register 5: (adf pos3) 188 * 189 * 7 6 5 4 3 2 1 0 190 * \____/ 191 * \__ Interrupt level 192 */ 193 194 iobase = MCA_CBIO + (((pos4 & 0xfc) >> 2) * 0x400); 195 irq = (pos5 & 0x0f); 196 197 /* map the pio registers */ 198 if (bus_space_map(ma->ma_iot, iobase, MCA_IOSZ, 0, &ioh)) { 199 printf("%s: unable to map i/o space\n", sc->sc_dev.dv_xname); 200 return; 201 } 202 203 sc->sc_iot = ma->ma_iot; 204 sc->sc_ioh = ioh; 205 206 epp = ep_mca_lookup(ma); 207 if (epp == NULL) { 208 printf("\n"); 209 panic("ep_mca_attach: impossible"); 210 } 211 212 printf(" slot %d irq %d: 3Com %s\n", ma->ma_slot + 1, 213 irq, epp->epp_name); 214 215 sc->enable = NULL; 216 sc->disable = NULL; 217 sc->enabled = 1; 218 219 sc->bustype = ELINK_BUS_MCA; 220 sc->ep_flags = 0; 221 222 if (epconfig(sc, ELINK_CHIPSET_3C509, NULL)) 223 return; 224 225 /* Map and establish the interrupt. */ 226 sc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, epintr, sc); 227 if (sc->sc_ih == NULL) { 228 printf("%s: couldn't establish interrupt handler\n", 229 sc->sc_dev.dv_xname); 230 return; 231 } 232 233 /* 234 * Set default media to be same as the one selected in POS. 235 */ 236 switch (pos4 & 0x03) { 237 case 0x00: 238 /* on-board RJ-45 */ 239 media = IFM_10_T; 240 break; 241 case 0x01: 242 /* external AUI */ 243 media = IFM_10_5; 244 break; 245 case 0x02: 246 /* undefined, should never be set */ 247 media = IFM_NONE; 248 break; 249 case 0x03: 250 /* BNC */ 251 media = IFM_10_2; 252 break; 253 default: 254 printf("%s: cannot determine media\n", 255 sc->sc_dev.dv_xname); 256 return; 257 } 258 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|media); 259} 260