if_ep_pccard.c revision 56017
1248590Smm/* 2248590Smm * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca> 3248590Smm * All rights reserved. 4248590Smm * 5248590Smm * Redistribution and use in source and binary forms, with or without 6248590Smm * modification, are permitted provided that the following conditions 7248590Smm * are met: 8248590Smm * 1. Redistributions of source code must retain the above copyright 9248590Smm * notice, this list of conditions and the following disclaimer. 10248590Smm * 2. Redistributions in binary form must reproduce the above copyright 11248590Smm * notice, this list of conditions and the following disclaimer in the 12248590Smm * documentation and/or other materials provided with the distribution. 13248590Smm * 3. All advertising materials mentioning features or use of this software 14248590Smm * must display the following acknowledgement: 15248590Smm * This product includes software developed by Herb Peyerl. 16248590Smm * 4. The name of Herb Peyerl may not be used to endorse or promote products 17248590Smm * derived from this software without specific prior written permission. 18248590Smm * 19248590Smm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20248590Smm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21248590Smm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22248590Smm * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23248590Smm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24248590Smm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25248590Smm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26248590Smm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27248590Smm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28248590Smm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29248590Smm * 30248590Smm * $FreeBSD: head/sys/dev/ep/if_ep_pccard.c 56017 2000-01-15 05:21:43Z mdodd $ 31248590Smm */ 32248590Smm 33248590Smm/* 34248590Smm * Pccard support for 3C589 by: 35248590Smm * HAMADA Naoki 36248590Smm * nao@tom-yam.or.jp 37248590Smm */ 38248590Smm 39248590Smm#include <sys/param.h> 40248590Smm#include <sys/systm.h> 41248590Smm#include <sys/kernel.h> 42248590Smm#include <sys/socket.h> 43248590Smm 44248590Smm#include <sys/module.h> 45248590Smm#include <sys/bus.h> 46248590Smm 47248590Smm#include <machine/bus.h> 48248590Smm#include <machine/resource.h> 49248590Smm#include <sys/rman.h> 50248590Smm 51248590Smm#include <net/if.h> 52248590Smm#include <net/if_arp.h> 53248590Smm#include <net/if_media.h> 54248590Smm 55248590Smm#include <machine/clock.h> 56248590Smm 57248590Smm#include <dev/ep/if_epreg.h> 58248590Smm#include <dev/ep/if_epvar.h> 59248590Smm 60248590Smmstatic const char *ep_pccard_identify(u_short id); 61248590Smm 62248590Smm/* 63248590Smm * Initialize the device - called from Slot manager. 64248590Smm */ 65248590Smmstatic int 66248590Smmep_pccard_probe(device_t dev) 67248590Smm{ 68248590Smm struct ep_softc * sc = device_get_softc(dev); 69248590Smm struct ep_board * epb = &sc->epb; 70248590Smm const char * desc; 71248590Smm int error; 72248590Smm 73248590Smm error = ep_alloc(dev); 74248590Smm if (error) 75248590Smm return error; 76248590Smm 77248590Smm /* 78248590Smm * XXX - Certain (newer?) 3Com cards need epb->cmd_off == 79248590Smm * 2. Sadly, you need to have a correct cmd_off in order to 80248590Smm * identify the card. So we have to hit it with both and 81248590Smm * cross our virtual fingers. There's got to be a better way 82248590Smm * to do this. jyoung@accessus.net 09/11/1999 83248590Smm */ 84248590Smm 85248590Smm epb->cmd_off = 0; 86248590Smm epb->prod_id = get_e(sc, EEPROM_PROD_ID); 87248590Smm if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { 88248590Smm if (bootverbose) 89248590Smm device_printf(dev, "Pass 1 of 2 detection " 90248590Smm "failed (nonfatal)\n"); 91248590Smm epb->cmd_off = 2; 92248590Smm epb->prod_id = get_e(sc, EEPROM_PROD_ID); 93248590Smm if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { 94248590Smm device_printf(dev, "Unit failed to come ready or " 95248590Smm "product ID unknown! (id 0x%x)\n", epb->prod_id); 96248590Smm ep_free(dev); 97248590Smm return (ENXIO); 98248590Smm } 99248590Smm } 100248590Smm device_set_desc(dev, desc); 101248590Smm 102248590Smm /* 103248590Smm * For some reason the 3c574 needs this. 104248590Smm */ 105248590Smm ep_get_macaddr(sc, (u_char *)&sc->arpcom.ac_enaddr); 106248590Smm 107248590Smm ep_free(dev); 108248590Smm return (0); 109248590Smm} 110248590Smm 111248590Smmstatic const char * 112248590Smmep_pccard_identify(u_short id) 113248590Smm{ 114248590Smm /* Determine device type and associated MII capabilities */ 115248590Smm switch (id) { 116248590Smm case 0x6055: /* 3C556 */ 117248590Smm return ("3Com 3C556"); 118248590Smm case 0x4057: /* 3C574 */ 119248590Smm return ("3Com 3C574"); 120248590Smm case 0x4b57: /* 3C574B */ 121248590Smm return ("3Com 3C574B, Megahertz 3CCFE574BT or " 122248590Smm "Fast Etherlink 3C574-TX"); 123248590Smm case 0x2b57: /* 3CXSH572BT */ 124248590Smm return ("3Com OfficeConnect 572BT"); 125248590Smm case 0x9058: /* 3C589 */ 126248590Smm return ("3Com Etherlink III 3C589"); 127248590Smm case 0x2056: /* 3C562/3C563 */ 128248590Smm return ("3Com 3C562D/3C563D"); 129248590Smm } 130248590Smm return (NULL); 131248590Smm} 132248590Smm 133248590Smmstatic int 134248590Smmep_pccard_card_attach(struct ep_board *epb) 135248590Smm{ 136248590Smm /* Determine device type and associated MII capabilities */ 137248590Smm switch (epb->prod_id) { 138248590Smm case 0x6055: /* 3C556 */ 139248590Smm case 0x2b57: /* 3C572BT */ 140248590Smm case 0x4057: /* 3C574 */ 141248590Smm case 0x4b57: /* 3C574B */ 142248590Smm epb->mii_trans = 1; 143248590Smm return (1); 144248590Smm case 0x2056: /* 3C562D/3C563D */ 145248590Smm case 0x9058: /* 3C589 */ 146248590Smm epb->mii_trans = 0; 147248590Smm return (1); 148248590Smm } 149248590Smm return (0); 150248590Smm} 151248590Smm 152248590Smmstatic int 153248590Smmep_pccard_attach(device_t dev) 154248590Smm{ 155248590Smm struct ep_softc * sc = device_get_softc(dev); 156248590Smm int error = 0; 157248590Smm 158248590Smm if ((error = ep_alloc(dev))) { 159248590Smm device_printf(dev, "ep_alloc() failed! (%d)\n", error); 160248590Smm goto bad; 161248590Smm } 162248590Smm 163248590Smm sc->epb.cmd_off = 0; 164 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID); 165 if (!ep_pccard_card_attach(&sc->epb)) { 166 sc->epb.cmd_off = 2; 167 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID); 168 sc->epb.res_cfg = get_e(sc, EEPROM_RESOURCE_CFG); 169 if (!ep_pccard_card_attach(&sc->epb)) { 170 device_printf(dev, 171 "Probe found ID, attach failed so ignore card!\n"); 172 error = ENXIO; 173 goto bad; 174 } 175 } 176 177 /* ROM size = 0, ROM base = 0 */ 178 /* For now, ignore AUTO SELECT feature of 3C589B and later. */ 179 outw(BASE + EP_W0_ADDRESS_CFG, get_e(sc, EEPROM_ADDR_CFG) & 0xc000); 180 181 /* Fake IRQ must be 3 */ 182 outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb.res_cfg & 0x0fff) | 0x3000); 183 184 outw(BASE + EP_W0_PRODUCT_ID, sc->epb.prod_id); 185 186 if (sc->epb.mii_trans) { 187 /* 188 * turn on the MII transciever 189 */ 190 GO_WINDOW(3); 191 outw(BASE + EP_W3_OPTIONS, 0x8040); 192 DELAY(1000); 193 outw(BASE + EP_W3_OPTIONS, 0xc040); 194 outw(BASE + EP_COMMAND, RX_RESET); 195 outw(BASE + EP_COMMAND, TX_RESET); 196 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); 197 DELAY(1000); 198 outw(BASE + EP_W3_OPTIONS, 0x8040); 199 } else { 200 ep_get_media(sc); 201 } 202 203 if ((error = ep_attach(sc))) { 204 device_printf(dev, "ep_attach() failed! (%d)\n", error); 205 goto bad; 206 } 207 208 if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, ep_intr, 209 sc, &sc->ep_intrhand))) { 210 device_printf(dev, "bus_setup_intr() failed! (%d)\n", error); 211 goto bad; 212 } 213 214 return (0); 215bad: 216 ep_free(dev); 217 return (error); 218} 219 220static int 221ep_pccard_detach(device_t dev) 222{ 223 struct ep_softc *sc = device_get_softc(dev); 224 225 if (sc->gone) { 226 device_printf(dev, "already unloaded\n"); 227 return (0); 228 } 229 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; 230 if_detach(&sc->arpcom.ac_if); 231 sc->gone = 1; 232 bus_teardown_intr(dev, sc->irq, sc->ep_intrhand); 233 ep_free(dev); 234 device_printf(dev, "unload\n"); 235 return (0); 236} 237 238static device_method_t ep_pccard_methods[] = { 239 /* Device interface */ 240 DEVMETHOD(device_probe, ep_pccard_probe), 241 DEVMETHOD(device_attach, ep_pccard_attach), 242 DEVMETHOD(device_detach, ep_pccard_detach), 243 244 { 0, 0 } 245}; 246 247static driver_t ep_pccard_driver = { 248 "ep", 249 ep_pccard_methods, 250 sizeof(struct ep_softc), 251}; 252 253extern devclass_t ep_devclass; 254 255DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0); 256