if_ep_pccard.c revision 112829
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 112829 2003-03-29 22:27:41Z mdodd $ 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 <dev/pccard/pccardvar.h> 60#include <dev/pccard/pccarddevs.h> 61#include "card_if.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 u_int16_t result; 75 int error; 76 77 error = ep_alloc(dev); 78 if (error) 79 return error; 80 81 /* 82 * XXX - Certain (newer?) 3Com cards need epb->cmd_off == 83 * 2. Sadly, you need to have a correct cmd_off in order to 84 * identify the card. So we have to hit it with both and 85 * cross our virtual fingers. There's got to be a better way 86 * to do this. jyoung@accessus.net 09/11/1999 87 */ 88 89 epb->cmd_off = 0; 90 91 error = get_e(sc, EEPROM_PROD_ID, &result); /* XXX check return */ 92 epb->prod_id = result; 93 94 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { 95 if (bootverbose) 96 device_printf(dev, "Pass 1 of 2 detection " 97 "failed (nonfatal) id 0x%x\n", epb->prod_id); 98 epb->cmd_off = 2; 99 error = get_e(sc, EEPROM_PROD_ID, &result); /* XXX check return */ 100 epb->prod_id = result; 101 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { 102 device_printf(dev, "Unit failed to come ready or " 103 "product ID unknown! (id 0x%x)\n", epb->prod_id); 104 ep_free(dev); 105 return (ENXIO); 106 } 107 } 108 device_set_desc(dev, desc); 109 110 /* 111 * For some reason the 3c574 needs this. 112 */ 113 error = ep_get_macaddr(sc, (u_char *)&sc->arpcom.ac_enaddr); 114 115 ep_free(dev); 116 return (0); 117} 118 119static const char * 120ep_pccard_identify(u_short id) 121{ 122 /* Determine device type and associated MII capabilities */ 123 switch (id) { 124 case 0x6055: /* 3C556 */ 125 return ("3Com 3C556"); 126 case 0x4057: /* 3C574 */ 127 return ("3Com 3C574"); 128 case 0x4b57: /* 3C574B */ 129 return ("3Com 3C574B, Megahertz 3CCFE574BT or " 130 "Fast Etherlink 3C574-TX"); 131 case 0x2b57: /* 3CXSH572BT */ 132 return ("3Com OfficeConnect 572BT"); 133 case 0x9058: /* 3C589 */ 134 return ("3Com Etherlink III 3C589"); 135 case 0x2056: /* 3C562/3C563 */ 136 return ("3Com 3C562D/3C563D"); 137 case 0x0010: /* 3C1 */ 138 return ("3Com Megahertz C1"); 139 } 140 return (NULL); 141} 142 143static int 144ep_pccard_card_attach(struct ep_board *epb) 145{ 146 /* Determine device type and associated MII capabilities */ 147 switch (epb->prod_id) { 148 case 0x6055: /* 3C556 */ 149 case 0x2b57: /* 3C572BT */ 150 case 0x4057: /* 3C574 */ 151 case 0x4b57: /* 3C574B */ 152 case 0x0010: /* 3C1 */ 153 epb->mii_trans = 1; 154 return (1); 155 case 0x2056: /* 3C562D/3C563D */ 156 case 0x9058: /* 3C589 */ 157 epb->mii_trans = 0; 158 return (1); 159 } 160 return (0); 161} 162 163static int 164ep_pccard_attach(device_t dev) 165{ 166 struct ep_softc * sc = device_get_softc(dev); 167 u_int16_t result; 168 int error = 0; 169 170 if ((error = ep_alloc(dev))) { 171 device_printf(dev, "ep_alloc() failed! (%d)\n", error); 172 goto bad; 173 } 174 175 sc->epb.cmd_off = 0; 176 177 error = get_e(sc, EEPROM_PROD_ID, &result); /* XXX check return */ 178 sc->epb.prod_id = result; 179 180 if (!ep_pccard_card_attach(&sc->epb)) { 181 sc->epb.cmd_off = 2; 182 error = get_e(sc, EEPROM_PROD_ID, &result); 183 sc->epb.prod_id = result; 184 error = get_e(sc, EEPROM_RESOURCE_CFG, &result); 185 sc->epb.res_cfg = result; 186 if (!ep_pccard_card_attach(&sc->epb)) { 187 device_printf(dev, 188 "Probe found ID, attach failed so ignore card!\n"); 189 error = ENXIO; 190 goto bad; 191 } 192 } 193 194 error = get_e(sc, EEPROM_ADDR_CFG, &result); 195 196 /* ROM size = 0, ROM base = 0 */ 197 /* For now, ignore AUTO SELECT feature of 3C589B and later. */ 198 outw(BASE + EP_W0_ADDRESS_CFG, result & 0xc000); 199 200 /* Fake IRQ must be 3 */ 201 outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb.res_cfg & 0x0fff) | 0x3000); 202 203 outw(BASE + EP_W0_PRODUCT_ID, sc->epb.prod_id); 204 205 if (sc->epb.mii_trans) { 206 /* 207 * turn on the MII transciever 208 */ 209 GO_WINDOW(3); 210 outw(BASE + EP_W3_OPTIONS, 0x8040); 211 DELAY(1000); 212 outw(BASE + EP_W3_OPTIONS, 0xc040); 213 outw(BASE + EP_COMMAND, RX_RESET); 214 outw(BASE + EP_COMMAND, TX_RESET); 215 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); 216 DELAY(1000); 217 outw(BASE + EP_W3_OPTIONS, 0x8040); 218 } else { 219 ep_get_media(sc); 220 } 221 222 if ((error = ep_attach(sc))) { 223 device_printf(dev, "ep_attach() failed! (%d)\n", error); 224 goto bad; 225 } 226 227 if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, ep_intr, 228 sc, &sc->ep_intrhand))) { 229 device_printf(dev, "bus_setup_intr() failed! (%d)\n", error); 230 goto bad; 231 } 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 device_set_desc(dev, pp->pp_name); 258 return 0; 259 } 260 return EIO; 261} 262 263static device_method_t ep_pccard_methods[] = { 264 /* Device interface */ 265 DEVMETHOD(device_probe, pccard_compat_probe), 266 DEVMETHOD(device_attach, pccard_compat_attach), 267 DEVMETHOD(device_detach, ep_detach), 268 269 /* Card interface */ 270 DEVMETHOD(card_compat_match, ep_pccard_match), 271 DEVMETHOD(card_compat_probe, ep_pccard_probe), 272 DEVMETHOD(card_compat_attach, ep_pccard_attach), 273 274 { 0, 0 } 275}; 276 277static driver_t ep_pccard_driver = { 278 "ep", 279 ep_pccard_methods, 280 sizeof(struct ep_softc), 281}; 282 283extern devclass_t ep_devclass; 284 285DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0); 286