if_ep_pccard.c revision 66137
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 66137 2000-09-20 19:31:37Z imp $ 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#include <machine/clock.h> 56 57#include <dev/ep/if_epreg.h> 58#include <dev/ep/if_epvar.h> 59 60#include "card_if.h" 61#include <dev/pccard/pccardvar.h> 62 63static const char *ep_pccard_identify(u_short id); 64 65/* 66 * Initialize the device - called from Slot manager. 67 */ 68static int 69ep_pccard_probe(device_t dev) 70{ 71 struct ep_softc * sc = device_get_softc(dev); 72 struct ep_board * epb = &sc->epb; 73 const char * desc; 74 int error; 75 76 error = ep_alloc(dev); 77 if (error) 78 return error; 79 80 /* 81 * XXX - Certain (newer?) 3Com cards need epb->cmd_off == 82 * 2. Sadly, you need to have a correct cmd_off in order to 83 * identify the card. So we have to hit it with both and 84 * cross our virtual fingers. There's got to be a better way 85 * to do this. jyoung@accessus.net 09/11/1999 86 */ 87 88 epb->cmd_off = 0; 89 epb->prod_id = get_e(sc, EEPROM_PROD_ID); 90 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { 91 if (bootverbose) 92 device_printf(dev, "Pass 1 of 2 detection " 93 "failed (nonfatal) id 0x%x\n", epb->prod_id); 94 epb->cmd_off = 2; 95 epb->prod_id = get_e(sc, EEPROM_PROD_ID); 96 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { 97 device_printf(dev, "Unit failed to come ready or " 98 "product ID unknown! (id 0x%x)\n", epb->prod_id); 99 ep_free(dev); 100 return (ENXIO); 101 } 102 } 103 device_set_desc(dev, desc); 104 105 /* 106 * For some reason the 3c574 needs this. 107 */ 108 ep_get_macaddr(sc, (u_char *)&sc->arpcom.ac_enaddr); 109 110 ep_free(dev); 111 return (0); 112} 113 114static const char * 115ep_pccard_identify(u_short id) 116{ 117 /* Determine device type and associated MII capabilities */ 118 switch (id) { 119 case 0x6055: /* 3C556 */ 120 return ("3Com 3C556"); 121 case 0x4057: /* 3C574 */ 122 return ("3Com 3C574"); 123 case 0x4b57: /* 3C574B */ 124 return ("3Com 3C574B, Megahertz 3CCFE574BT or " 125 "Fast Etherlink 3C574-TX"); 126 case 0x2b57: /* 3CXSH572BT */ 127 return ("3Com OfficeConnect 572BT"); 128 case 0x9058: /* 3C589 */ 129 return ("3Com Etherlink III 3C589"); 130 case 0x2056: /* 3C562/3C563 */ 131 return ("3Com 3C562D/3C563D"); 132 case 0x0010: /* 3C1 */ 133 return ("3Com Megahertz C1"); 134 } 135 return (NULL); 136} 137 138static int 139ep_pccard_card_attach(struct ep_board *epb) 140{ 141 /* Determine device type and associated MII capabilities */ 142 switch (epb->prod_id) { 143 case 0x6055: /* 3C556 */ 144 case 0x2b57: /* 3C572BT */ 145 case 0x4057: /* 3C574 */ 146 case 0x4b57: /* 3C574B */ 147 case 0x0010: /* 3C1 */ 148 epb->mii_trans = 1; 149 return (1); 150 case 0x2056: /* 3C562D/3C563D */ 151 case 0x9058: /* 3C589 */ 152 epb->mii_trans = 0; 153 return (1); 154 } 155 return (0); 156} 157 158static int 159ep_pccard_attach(device_t dev) 160{ 161 struct ep_softc * sc = device_get_softc(dev); 162 int error = 0; 163 164 if ((error = ep_alloc(dev))) { 165 device_printf(dev, "ep_alloc() failed! (%d)\n", error); 166 goto bad; 167 } 168 169 sc->epb.cmd_off = 0; 170 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID); 171 if (!ep_pccard_card_attach(&sc->epb)) { 172 sc->epb.cmd_off = 2; 173 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID); 174 sc->epb.res_cfg = get_e(sc, EEPROM_RESOURCE_CFG); 175 if (!ep_pccard_card_attach(&sc->epb)) { 176 device_printf(dev, 177 "Probe found ID, attach failed so ignore card!\n"); 178 error = ENXIO; 179 goto bad; 180 } 181 } 182 183 /* ROM size = 0, ROM base = 0 */ 184 /* For now, ignore AUTO SELECT feature of 3C589B and later. */ 185 outw(BASE + EP_W0_ADDRESS_CFG, get_e(sc, EEPROM_ADDR_CFG) & 0xc000); 186 187 /* Fake IRQ must be 3 */ 188 outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb.res_cfg & 0x0fff) | 0x3000); 189 190 outw(BASE + EP_W0_PRODUCT_ID, sc->epb.prod_id); 191 192 if (sc->epb.mii_trans) { 193 /* 194 * turn on the MII transciever 195 */ 196 GO_WINDOW(3); 197 outw(BASE + EP_W3_OPTIONS, 0x8040); 198 DELAY(1000); 199 outw(BASE + EP_W3_OPTIONS, 0xc040); 200 outw(BASE + EP_COMMAND, RX_RESET); 201 outw(BASE + EP_COMMAND, TX_RESET); 202 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); 203 DELAY(1000); 204 outw(BASE + EP_W3_OPTIONS, 0x8040); 205 } else { 206 ep_get_media(sc); 207 } 208 209 if ((error = ep_attach(sc))) { 210 device_printf(dev, "ep_attach() failed! (%d)\n", error); 211 goto bad; 212 } 213 214 if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, ep_intr, 215 sc, &sc->ep_intrhand))) { 216 device_printf(dev, "bus_setup_intr() failed! (%d)\n", error); 217 goto bad; 218 } 219 220 return (0); 221bad: 222 ep_free(dev); 223 return (error); 224} 225 226static int 227ep_pccard_detach(device_t dev) 228{ 229 struct ep_softc *sc = device_get_softc(dev); 230 231 if (sc->gone) { 232 device_printf(dev, "already unloaded\n"); 233 return (0); 234 } 235 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; 236 ether_ifdetach(&sc->arpcom.ac_if, ETHER_BPF_SUPPORTED); 237 sc->gone = 1; 238 bus_teardown_intr(dev, sc->irq, sc->ep_intrhand); 239 ep_free(dev); 240 return (0); 241} 242 243static int 244ep_pccard_match(device_t dev) 245{ 246 return EIO; 247} 248 249static device_method_t ep_pccard_methods[] = { 250 /* Device interface */ 251 DEVMETHOD(device_probe, pccard_compat_probe), 252 DEVMETHOD(device_attach, pccard_compat_attach), 253 DEVMETHOD(device_detach, ep_pccard_detach), 254 255 /* Card interface */ 256 DEVMETHOD(card_compat_match, ep_pccard_match), 257 DEVMETHOD(card_compat_probe, ep_pccard_probe), 258 DEVMETHOD(card_compat_attach, ep_pccard_attach), 259 260 { 0, 0 } 261}; 262 263static driver_t ep_pccard_driver = { 264 "ep", 265 ep_pccard_methods, 266 sizeof(struct ep_softc), 267}; 268 269extern devclass_t ep_devclass; 270 271DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0); 272