if_ep_pccard.c revision 52472
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 52472 1999-10-25 02:52:16Z 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/kernel.h> 41#include <sys/systm.h> 42#include <sys/malloc.h> 43#include <sys/mbuf.h> 44#include <sys/socket.h> 45#include <sys/sockio.h> 46#include <sys/bus.h> 47#include <machine/bus.h> 48#include <sys/rman.h> 49#include <machine/resource.h> 50 51#include <net/ethernet.h> 52#include <net/if.h> 53#include <netinet/in.h> 54#include <netinet/if_ether.h> 55 56#include <machine/clock.h> 57 58#include <dev/ep/if_epreg.h> 59#include <dev/ep/if_epvar.h> 60 61/* XXX should die XXX */ 62#include <sys/select.h> 63#include <sys/module.h> 64#include <pccard/cardinfo.h> 65#include <pccard/slot.h> 66 67static const char *ep_pccard_identify(u_short id); 68 69/* 70 * Initialize the device - called from Slot manager. 71 */ 72static int 73ep_pccard_probe(device_t dev) 74{ 75 struct ep_board ep; 76 struct ep_board *epb; 77 u_long port_start, port_count; 78 struct ep_softc fake_softc; 79 struct ep_softc *sc = &fake_softc; 80 const char *desc; 81 int error; 82 const char *name; 83 84 name = pccard_get_name(dev); 85 printf("ep_pccard_probe: Does %s match?\n", name); 86 if (strcmp(name, "ep")) 87 return ENXIO; 88 89 epb = &ep; 90 error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &port_start, 91 &port_count); 92 if (error != 0) 93 return error; 94 /* get_e() requires these. */ 95 bzero(sc, sizeof(*sc)); 96 sc->ep_io_addr = port_start; 97 sc->unit = device_get_unit(dev); 98 sc->epb = epb; 99 100 /* 101 * XXX - Certain (newer?) 3Com cards need epb->cmd_off == 102 * 2. Sadly, you need to have a correct cmd_off in order to 103 * identify the card. So we have to hit it with both and 104 * cross our virtual fingers. There's got to be a better way 105 * to do this. jyoung@accessus.net 09/11/1999 106 */ 107 108 epb->cmd_off = 0; 109 epb->prod_id = get_e(sc, EEPROM_PROD_ID); 110 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) { 111 if (bootverbose) 112 device_printf(dev, "Pass 1 of 2 detection " 113 "failed (nonfatal)\n"); 114 epb->cmd_off = 2; 115 epb->prod_id = get_e(sc, EEPROM_PROD_ID); 116 if ((desc = ep_pccard_identify(epb->prod_id))) { 117 device_printf(dev, "Unit failed to come ready or " 118 "product ID unknown! (id 0x%x)\n", epb->prod_id); 119 return (ENXIO); 120 } 121 } 122 123 return (0); 124} 125 126static const char * 127ep_pccard_identify(u_short id) 128{ 129 /* Determine device type and associated MII capabilities */ 130 switch (id) { 131 case 0x6055: /* 3C556 */ 132 return ("3Com 3C556"); 133 case 0x4057: /* 3C574 */ 134 return("3Com 3C574"); 135 case 0x4b57: /* 3C574B */ 136 return("3Com 3C574B, Megahertz 3CCFE574BT or " 137 "Fast Etherlink 3C574-TX"); 138 case 0x9058: /* 3C589 */ 139 return("3Com Etherlink III 3C589[B/C/D]"); 140 } 141 return (0); 142} 143 144static int 145ep_pccard_card_attach(struct ep_board *epb) 146{ 147 /* Determine device type and associated MII capabilities */ 148 switch (epb->prod_id) { 149 case 0x6055: /* 3C556 */ 150 epb->mii_trans = 1; 151 return (1); 152 case 0x4057: /* 3C574 */ 153 epb->mii_trans = 1; 154 return (1); 155 case 0x4b57: /* 3C574B */ 156 epb->mii_trans = 1; 157 return (1); 158 case 0x9058: /* 3C589 */ 159 epb->mii_trans = 0; 160 return (1); 161 } 162 return (0); 163} 164 165static int 166ep_pccard_attach(device_t dev) 167{ 168 struct ep_softc *sc = 0; 169 struct ep_board *epb; 170 struct resource *io = 0; 171 struct resource *irq = 0; 172 int unit = device_get_unit(dev); 173 int i, rid; 174 u_short config; 175 176 rid = 0; 177 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 178 0, ~0, 1, RF_ACTIVE); 179 if (!io) { 180 device_printf(dev, "No I/O space?!\n"); 181 goto bad; 182 } 183 184 epb = &ep_board[ep_boards]; 185 186 epb->epb_addr = rman_get_start(io); 187 epb->epb_used = 1; 188 189 if ((sc = ep_alloc(unit, epb)) == 0) 190 goto bad; 191 ep_boards++; 192 193 epb->cmd_off = 0; 194 epb->prod_id = get_e(sc, EEPROM_PROD_ID); 195 if (!ep_pccard_card_attach(epb)) { 196 epb->cmd_off = 2; 197 epb->prod_id = get_e(sc, EEPROM_PROD_ID); 198 if (!ep_pccard_card_attach(epb)) { 199 device_printf(dev, 200 "Probe found ID, attach failed so ignore card!\n"); 201 ep_free(sc); 202 return (ENXIO); 203 } 204 } 205 206 sc->ep_connectors = 0; 207 epb->res_cfg = get_e(sc, EEPROM_RESOURCE_CFG); 208 for (i = 0; i < 3; i++) 209 sc->epb->eth_addr[i] = get_e(sc, EEPROM_NODE_ADDR_0 + i); 210 211 config = inw(rman_get_start(io) + EP_W0_CONFIG_CTRL); 212 if (config & IS_BNC) { 213 sc->ep_connectors |= BNC; 214 } 215 if (config & IS_UTP) { 216 sc->ep_connectors |= UTP; 217 } 218 if (!(sc->ep_connectors & 7)) 219 /* (Apparently) non-fatal */ 220 if (bootverbose) 221 device_printf(dev, "No connectors or MII.\n"); 222 223 sc->ep_connector = inw(BASE + EP_W0_ADDRESS_CFG) >> ACF_CONNECTOR_BITS; 224 225 /* ROM size = 0, ROM base = 0 */ 226 /* For now, ignore AUTO SELECT feature of 3C589B and later. */ 227 outw(BASE + EP_W0_ADDRESS_CFG, get_e(sc, EEPROM_ADDR_CFG) & 0xc000); 228 229 /* Fake IRQ must be 3 */ 230 outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb->res_cfg & 0x0fff) | 0x3000); 231 232 outw(BASE + EP_W0_PRODUCT_ID, sc->epb->prod_id); 233 234 if (sc->epb->mii_trans) { 235 /* 236 * turn on the MII transciever 237 */ 238 GO_WINDOW(3); 239 outw(BASE + EP_W3_OPTIONS, 0x8040); 240 DELAY(1000); 241 outw(BASE + EP_W3_OPTIONS, 0xc040); 242 outw(BASE + EP_COMMAND, RX_RESET); 243 outw(BASE + EP_COMMAND, TX_RESET); 244 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); 245 DELAY(1000); 246 outw(BASE + EP_W3_OPTIONS, 0x8040); 247 } 248 249 sc->irq = irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 250 0, ~0, 1, RF_ACTIVE); 251 if (!irq) { 252 device_printf(dev, "No irq?!\n"); 253 goto bad; 254 } 255 256 ep_attach(sc); 257 if (bus_setup_intr(dev, irq, INTR_TYPE_NET, ep_intr, sc, &sc->ih)) { 258 device_printf(dev, "cannot setup intr\n"); 259 goto bad; 260 } 261 sc->arpcom.ac_if.if_snd.ifq_maxlen = ifqmaxlen; 262 263 return 0; 264bad: 265 if (io) 266 bus_release_resource(dev, SYS_RES_IOPORT, 0, io); 267 if (irq) 268 bus_release_resource(dev, SYS_RES_IRQ, 0, irq); 269 if (sc) 270 ep_free(sc); 271 return ENXIO; 272} 273 274static void 275ep_pccard_detach(device_t dev) 276{ 277 struct ep_softc *sc = device_get_softc(dev); 278 279 printf("detach\n"); 280 281 if (sc->gone) { 282 device_printf(dev, "already unloaded\n"); 283 return; 284 } 285 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; 286 if_down(&sc->arpcom.ac_if); 287 sc->gone = 1; 288 bus_teardown_intr(dev, sc->irq, sc->ih); 289 device_printf(dev, "unload\n"); 290} 291 292static device_method_t ep_pccard_methods[] = { 293 /* Device interface */ 294 DEVMETHOD(device_probe, ep_pccard_probe), 295 DEVMETHOD(device_attach, ep_pccard_attach), 296 DEVMETHOD(device_detach, ep_pccard_detach), 297 298 { 0, 0 } 299}; 300 301static driver_t ep_pccard_driver = { 302 "ep", 303 ep_pccard_methods, 304 1, /* unused */ 305}; 306 307extern devclass_t ep_devclass; 308 309DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0); 310