if_ep_pccard.c revision 119418
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 31#include <sys/cdefs.h> 32__FBSDID("$FreeBSD: head/sys/dev/ep/if_ep_pccard.c 119418 2003-08-24 17:55:58Z obrien $"); 33 34/* 35 * Pccard support for 3C589 by: 36 * HAMADA Naoki 37 * nao@tom-yam.or.jp 38 */ 39 40#include <sys/cdefs.h> 41__FBSDID("$FreeBSD: head/sys/dev/ep/if_ep_pccard.c 119418 2003-08-24 17:55:58Z obrien $"); 42 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/kernel.h> 46#include <sys/socket.h> 47#include <sys/module.h> 48#include <sys/bus.h> 49 50#include <machine/bus.h> 51#include <machine/resource.h> 52 53#include <net/ethernet.h> 54#include <net/if.h> 55#include <net/if_arp.h> 56#include <net/if_media.h> 57 58#include <dev/ep/if_epreg.h> 59#include <dev/ep/if_epvar.h> 60 61#include <dev/pccard/pccardvar.h> 62#include <dev/pccard/pccarddevs.h> 63 64#include "card_if.h" 65 66static const char *ep_pccard_identify(u_short id); 67 68/* 69 * Initialize the device - called from Slot manager. 70 */ 71static int 72ep_pccard_probe(device_t dev) 73{ 74 struct ep_softc *sc = device_get_softc(dev); 75 struct ep_board *epb = &sc->epb; 76 const char *desc; 77 u_int16_t result; 78 int error; 79 80 error = ep_alloc(dev); 81 if (error) 82 return (error); 83 84 /* 85 * XXX - Certain (newer?) 3Com cards need epb->cmd_off == 86 * 2. Sadly, you need to have a correct cmd_off in order to 87 * identify the card. So we have to hit it with both and 88 * cross our virtual fingers. There's got to be a better way 89 * to do this. jyoung@accessus.net 09/11/1999 90 */ 91 92 epb->cmd_off = 0; 93 94 error = get_e(sc, EEPROM_PROD_ID, &result); /* XXX check return */ 95 epb->prod_id = result; 96 97 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { 98 if (bootverbose) 99 device_printf(dev, "Pass 1 of 2 detection " 100 "failed (nonfatal) id 0x%x\n", epb->prod_id); 101 epb->cmd_off = 2; 102 error = get_e(sc, EEPROM_PROD_ID, &result); /* XXX check return */ 103 epb->prod_id = result; 104 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { 105 device_printf(dev, "Unit failed to come ready or " 106 "product ID unknown! (id 0x%x)\n", epb->prod_id); 107 ep_free(dev); 108 return (ENXIO); 109 } 110 } 111 device_set_desc(dev, desc); 112 113 /* 114 * For some reason the 3c574 needs this. 115 */ 116 error = ep_get_macaddr(sc, (u_char *)&sc->arpcom.ac_enaddr); 117 118 ep_free(dev); 119 return (0); 120} 121 122static const char * 123ep_pccard_identify(u_short id) 124{ 125 /* Determine device type and associated MII capabilities */ 126 switch (id) { 127 case 0x6055: /* 3C556 */ 128 return ("3Com 3C556"); 129 case 0x4057: /* 3C574 */ 130 return ("3Com 3C574"); 131 case 0x4b57: /* 3C574B */ 132 return ("3Com 3C574B, Megahertz 3CCFE574BT or " 133 "Fast Etherlink 3C574-TX"); 134 case 0x2b57: /* 3CXSH572BT */ 135 return ("3Com OfficeConnect 572BT"); 136 case 0x9058: /* 3C589 */ 137 return ("3Com Etherlink III 3C589"); 138 case 0x2056: /* 3C562/3C563 */ 139 return ("3Com 3C562D/3C563D"); 140 case 0x0010: /* 3C1 */ 141 return ("3Com Megahertz C1"); 142 default: 143 return (NULL); 144 } 145} 146 147static int 148ep_pccard_card_attach(struct ep_board * epb) 149{ 150 /* Determine device type and associated MII capabilities */ 151 switch (epb->prod_id) { 152 case 0x6055: /* 3C556 */ 153 case 0x2b57: /* 3C572BT */ 154 case 0x4057: /* 3C574 */ 155 case 0x4b57: /* 3C574B */ 156 case 0x0010: /* 3C1 */ 157 epb->mii_trans = 1; 158 return (1); 159 case 0x2056: /* 3C562D/3C563D */ 160 case 0x9058: /* 3C589 */ 161 epb->mii_trans = 0; 162 return (1); 163 default: 164 return (0); 165 } 166} 167 168static int 169ep_pccard_attach(device_t dev) 170{ 171 struct ep_softc *sc = device_get_softc(dev); 172 u_int16_t result; 173 int error = 0; 174 175 if ((error = ep_alloc(dev))) { 176 device_printf(dev, "ep_alloc() failed! (%d)\n", error); 177 goto bad; 178 } 179 sc->epb.cmd_off = 0; 180 181 error = get_e(sc, EEPROM_PROD_ID, &result); /* XXX check return */ 182 sc->epb.prod_id = result; 183 184 if (!ep_pccard_card_attach(&sc->epb)) { 185 sc->epb.cmd_off = 2; 186 error = get_e(sc, EEPROM_PROD_ID, &result); 187 sc->epb.prod_id = result; 188 error = get_e(sc, EEPROM_RESOURCE_CFG, &result); 189 sc->epb.res_cfg = result; 190 if (!ep_pccard_card_attach(&sc->epb)) { 191 device_printf(dev, 192 "Probe found ID, attach failed so ignore card!\n"); 193 error = ENXIO; 194 goto bad; 195 } 196 } 197 error = get_e(sc, EEPROM_ADDR_CFG, &result); 198 199 /* ROM size = 0, ROM base = 0 */ 200 /* For now, ignore AUTO SELECT feature of 3C589B and later. */ 201 outw(BASE + EP_W0_ADDRESS_CFG, result & 0xc000); 202 203 /* Fake IRQ must be 3 */ 204 outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb.res_cfg & 0x0fff) | 0x3000); 205 206 outw(BASE + EP_W0_PRODUCT_ID, sc->epb.prod_id); 207 208 if (sc->epb.mii_trans) { 209 /* 210 * turn on the MII transciever 211 */ 212 GO_WINDOW(3); 213 outw(BASE + EP_W3_OPTIONS, 0x8040); 214 DELAY(1000); 215 outw(BASE + EP_W3_OPTIONS, 0xc040); 216 outw(BASE + EP_COMMAND, RX_RESET); 217 outw(BASE + EP_COMMAND, TX_RESET); 218 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); 219 DELAY(1000); 220 outw(BASE + EP_W3_OPTIONS, 0x8040); 221 } else 222 ep_get_media(sc); 223 224 if ((error = ep_attach(sc))) { 225 device_printf(dev, "ep_attach() failed! (%d)\n", error); 226 goto bad; 227 } 228 if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, ep_intr, 229 sc, &sc->ep_intrhand))) { 230 device_printf(dev, "bus_setup_intr() failed! (%d)\n", error); 231 goto bad; 232 } 233 return (0); 234bad: 235 ep_free(dev); 236 return (error); 237} 238 239static const struct pccard_product ep_pccard_products[] = { 240 PCMCIA_CARD(3COM, 3C1, 0), 241 PCMCIA_CARD(3COM, 3C562, 0), 242 PCMCIA_CARD(3COM, 3C574, 0), /* ROADRUNNER */ 243 PCMCIA_CARD(3COM, 3C589, 0), 244 PCMCIA_CARD(3COM, 3CCFEM556BI, 0), /* ROADRUNNER */ 245 PCMCIA_CARD(3COM, 3CXEM556, 0), 246 PCMCIA_CARD(3COM, 3CXEM556INT, 0), 247 {NULL} 248}; 249 250static int 251ep_pccard_match(device_t dev) 252{ 253 const struct pccard_product *pp; 254 255 if ((pp = pccard_product_lookup(dev, ep_pccard_products, 256 sizeof(ep_pccard_products[0]), NULL)) != NULL) { 257 if (pp->pp_name != NULL) 258 device_set_desc(dev, pp->pp_name); 259 return 0; 260 } 261 return EIO; 262} 263 264static device_method_t ep_pccard_methods[] = { 265 /* Device interface */ 266 DEVMETHOD(device_probe, pccard_compat_probe), 267 DEVMETHOD(device_attach, pccard_compat_attach), 268 DEVMETHOD(device_detach, ep_detach), 269 270 /* Card interface */ 271 DEVMETHOD(card_compat_match, ep_pccard_match), 272 DEVMETHOD(card_compat_probe, ep_pccard_probe), 273 DEVMETHOD(card_compat_attach, ep_pccard_attach), 274 275 {0, 0} 276}; 277 278static driver_t ep_pccard_driver = { 279 "ep", 280 ep_pccard_methods, 281 sizeof(struct ep_softc), 282}; 283 284extern devclass_t ep_devclass; 285 286DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0); 287