if_ep_pccard.c revision 67164
1/* 2 * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Herb Peyerl. 16 * 4. The name of Herb Peyerl may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * $FreeBSD: head/sys/dev/ep/if_ep_pccard.c 67164 2000-10-15 14:19:01Z phk $ 31 */ 32 33/* 34 * Pccard support for 3C589 by: 35 * HAMADA Naoki 36 * nao@tom-yam.or.jp 37 */ 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/kernel.h> 42#include <sys/socket.h> 43 44#include <sys/module.h> 45#include <sys/bus.h> 46 47#include <machine/bus.h> 48#include <machine/resource.h> 49 50#include <net/ethernet.h> 51#include <net/if.h> 52#include <net/if_arp.h> 53#include <net/if_media.h> 54 55 56#include <dev/ep/if_epreg.h> 57#include <dev/ep/if_epvar.h> 58 59#include "card_if.h" 60#include <dev/pccard/pccardvar.h> 61 62static const char *ep_pccard_identify(u_short id); 63 64/* 65 * Initialize the device - called from Slot manager. 66 */ 67static int 68ep_pccard_probe(device_t dev) 69{ 70 struct ep_softc * sc = device_get_softc(dev); 71 struct ep_board * epb = &sc->epb; 72 const char * desc; 73 int error; 74 75 error = ep_alloc(dev); 76 if (error) 77 return error; 78 79 /* 80 * XXX - Certain (newer?) 3Com cards need epb->cmd_off == 81 * 2. Sadly, you need to have a correct cmd_off in order to 82 * identify the card. So we have to hit it with both and 83 * cross our virtual fingers. There's got to be a better way 84 * to do this. jyoung@accessus.net 09/11/1999 85 */ 86 87 epb->cmd_off = 0; 88 epb->prod_id = get_e(sc, EEPROM_PROD_ID); 89 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { 90 if (bootverbose) 91 device_printf(dev, "Pass 1 of 2 detection " 92 "failed (nonfatal) id 0x%x\n", epb->prod_id); 93 epb->cmd_off = 2; 94 epb->prod_id = get_e(sc, EEPROM_PROD_ID); 95 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { 96 device_printf(dev, "Unit failed to come ready or " 97 "product ID unknown! (id 0x%x)\n", epb->prod_id); 98 ep_free(dev); 99 return (ENXIO); 100 } 101 } 102 device_set_desc(dev, desc); 103 104 /* 105 * For some reason the 3c574 needs this. 106 */ 107 ep_get_macaddr(sc, (u_char *)&sc->arpcom.ac_enaddr); 108 109 ep_free(dev); 110 return (0); 111} 112 113static const char * 114ep_pccard_identify(u_short id) 115{ 116 /* Determine device type and associated MII capabilities */ 117 switch (id) { 118 case 0x6055: /* 3C556 */ 119 return ("3Com 3C556"); 120 case 0x4057: /* 3C574 */ 121 return ("3Com 3C574"); 122 case 0x4b57: /* 3C574B */ 123 return ("3Com 3C574B, Megahertz 3CCFE574BT or " 124 "Fast Etherlink 3C574-TX"); 125 case 0x2b57: /* 3CXSH572BT */ 126 return ("3Com OfficeConnect 572BT"); 127 case 0x9058: /* 3C589 */ 128 return ("3Com Etherlink III 3C589"); 129 case 0x2056: /* 3C562/3C563 */ 130 return ("3Com 3C562D/3C563D"); 131 case 0x0010: /* 3C1 */ 132 return ("3Com Megahertz C1"); 133 } 134 return (NULL); 135} 136 137static int 138ep_pccard_card_attach(struct ep_board *epb) 139{ 140 /* Determine device type and associated MII capabilities */ 141 switch (epb->prod_id) { 142 case 0x6055: /* 3C556 */ 143 case 0x2b57: /* 3C572BT */ 144 case 0x4057: /* 3C574 */ 145 case 0x4b57: /* 3C574B */ 146 case 0x0010: /* 3C1 */ 147 epb->mii_trans = 1; 148 return (1); 149 case 0x2056: /* 3C562D/3C563D */ 150 case 0x9058: /* 3C589 */ 151 epb->mii_trans = 0; 152 return (1); 153 } 154 return (0); 155} 156 157static int 158ep_pccard_attach(device_t dev) 159{ 160 struct ep_softc * sc = device_get_softc(dev); 161 int error = 0; 162 163 if ((error = ep_alloc(dev))) { 164 device_printf(dev, "ep_alloc() failed! (%d)\n", error); 165 goto bad; 166 } 167 168 sc->epb.cmd_off = 0; 169 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID); 170 if (!ep_pccard_card_attach(&sc->epb)) { 171 sc->epb.cmd_off = 2; 172 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID); 173 sc->epb.res_cfg = get_e(sc, EEPROM_RESOURCE_CFG); 174 if (!ep_pccard_card_attach(&sc->epb)) { 175 device_printf(dev, 176 "Probe found ID, attach failed so ignore card!\n"); 177 error = ENXIO; 178 goto bad; 179 } 180 } 181 182 /* ROM size = 0, ROM base = 0 */ 183 /* For now, ignore AUTO SELECT feature of 3C589B and later. */ 184 outw(BASE + EP_W0_ADDRESS_CFG, get_e(sc, EEPROM_ADDR_CFG) & 0xc000); 185 186 /* Fake IRQ must be 3 */ 187 outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb.res_cfg & 0x0fff) | 0x3000); 188 189 outw(BASE + EP_W0_PRODUCT_ID, sc->epb.prod_id); 190 191 if (sc->epb.mii_trans) { 192 /* 193 * turn on the MII transciever 194 */ 195 GO_WINDOW(3); 196 outw(BASE + EP_W3_OPTIONS, 0x8040); 197 DELAY(1000); 198 outw(BASE + EP_W3_OPTIONS, 0xc040); 199 outw(BASE + EP_COMMAND, RX_RESET); 200 outw(BASE + EP_COMMAND, TX_RESET); 201 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); 202 DELAY(1000); 203 outw(BASE + EP_W3_OPTIONS, 0x8040); 204 } else { 205 ep_get_media(sc); 206 } 207 208 if ((error = ep_attach(sc))) { 209 device_printf(dev, "ep_attach() failed! (%d)\n", error); 210 goto bad; 211 } 212 213 if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, ep_intr, 214 sc, &sc->ep_intrhand))) { 215 device_printf(dev, "bus_setup_intr() failed! (%d)\n", error); 216 goto bad; 217 } 218 219 return (0); 220bad: 221 ep_free(dev); 222 return (error); 223} 224 225static int 226ep_pccard_detach(device_t dev) 227{ 228 struct ep_softc *sc = device_get_softc(dev); 229 230 if (sc->gone) { 231 device_printf(dev, "already unloaded\n"); 232 return (0); 233 } 234 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; 235 ether_ifdetach(&sc->arpcom.ac_if, ETHER_BPF_SUPPORTED); 236 sc->gone = 1; 237 bus_teardown_intr(dev, sc->irq, sc->ep_intrhand); 238 ep_free(dev); 239 return (0); 240} 241 242static int 243ep_pccard_match(device_t dev) 244{ 245 return EIO; 246} 247 248static device_method_t ep_pccard_methods[] = { 249 /* Device interface */ 250 DEVMETHOD(device_probe, pccard_compat_probe), 251 DEVMETHOD(device_attach, pccard_compat_attach), 252 DEVMETHOD(device_detach, ep_pccard_detach), 253 254 /* Card interface */ 255 DEVMETHOD(card_compat_match, ep_pccard_match), 256 DEVMETHOD(card_compat_probe, ep_pccard_probe), 257 DEVMETHOD(card_compat_attach, ep_pccard_attach), 258 259 { 0, 0 } 260}; 261 262static driver_t ep_pccard_driver = { 263 "ep", 264 ep_pccard_methods, 265 sizeof(struct ep_softc), 266}; 267 268extern devclass_t ep_devclass; 269 270DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0); 271