if_fe_pccard.c revision 106937
1/* 2 * All Rights Reserved, Copyright (C) Fujitsu Limited 1995 3 * 4 * This software may be used, modified, copied, distributed, and sold, in 5 * both source and binary form provided that the above copyright, these 6 * terms and the following disclaimer are retained. The name of the author 7 * and/or the contributor may not be used to endorse or promote products 8 * derived from this software without specific prior written permission. 9 * 10 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND THE CONTRIBUTOR ``AS IS'' AND 11 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 12 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 13 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE CONTRIBUTOR BE LIABLE 14 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 15 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 16 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION. 17 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 18 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 19 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 20 * SUCH DAMAGE. 21 * 22 * $FreeBSD: head/sys/dev/fe/if_fe_pccard.c 106937 2002-11-14 23:54:55Z sam $ 23 */ 24 25#include <sys/param.h> 26#include <sys/kernel.h> 27#include <sys/socket.h> 28#include <sys/systm.h> 29#include <sys/module.h> 30 31#include <sys/bus.h> 32#include <machine/bus.h> 33#include <machine/resource.h> 34 35#include <net/ethernet.h> 36#include <net/if.h> 37#include <net/if_mib.h> 38#include <net/if_media.h> 39 40#include <netinet/in.h> 41#include <netinet/if_ether.h> 42 43#include <i386/isa/ic/mb86960.h> 44#include <dev/fe/if_fereg.h> 45#include <dev/fe/if_fevar.h> 46 47#include <dev/pccard/pccardvar.h> 48#include <dev/pccard/pccarddevs.h> 49#include "card_if.h" 50#include <pccard/cardinfo.h> 51 52/* 53 * PC-Card (PCMCIA) specific code. 54 */ 55static int fe_pccard_probe(device_t); 56static int fe_pccard_attach(device_t); 57static int fe_pccard_detach(device_t); 58static int fe_pccard_match(device_t); 59 60static const struct fe_pccard_product { 61 struct pccard_product mpp_product; 62 u_int32_t mpp_ioalign; /* required alignment */ 63 int mpp_enet_maddr; 64} fe_pccard_products[] = { 65 { PCMCIA_CARD(TDK, LAK_CD021BX, 0), 0, -1 }, 66 { PCMCIA_CARD(TDK, LAK_CF010, 0), 0, -1 }, 67#if 0 /* XXX 86960-based? */ 68 { PCMCIA_CARD(TDK, LAK_DFL9610, 1), 0, -1 }, 69#endif 70 { PCMCIA_CARD(CONTEC, CNETPC, 0), 0, -1 }, 71 { PCMCIA_CARD(FUJITSU, LA501, 0), 0x20, -1 }, 72 { PCMCIA_CARD(FUJITSU, LA10S, 0), 0, -1 }, 73 { PCMCIA_CARD(RATOC, REX_R280, 0), 0, 0x1fc }, 74 { { NULL } } 75}; 76 77static int 78fe_pccard_match(device_t dev) 79{ 80 const struct pccard_product *pp; 81 82 if ((pp = pccard_product_lookup(dev, 83 (const struct pccard_product *)fe_pccard_products, 84 sizeof(fe_pccard_products[0]), NULL)) != NULL) { 85 device_set_desc(dev, pp->pp_name); 86 return 0; 87 } 88 return EIO; 89} 90 91static device_method_t fe_pccard_methods[] = { 92 /* Device interface */ 93 DEVMETHOD(device_probe, pccard_compat_probe), 94 DEVMETHOD(device_attach, pccard_compat_attach), 95 DEVMETHOD(device_detach, fe_pccard_detach), 96 97 /* Card interface */ 98 DEVMETHOD(card_compat_match, fe_pccard_match), 99 DEVMETHOD(card_compat_probe, fe_pccard_probe), 100 DEVMETHOD(card_compat_attach, fe_pccard_attach), 101 102 { 0, 0 } 103}; 104 105static driver_t fe_pccard_driver = { 106 "fe", 107 fe_pccard_methods, 108 sizeof (struct fe_softc) 109}; 110 111DRIVER_MODULE(fe, pccard, fe_pccard_driver, fe_devclass, 0, 0); 112 113 114static int fe_probe_mbh(device_t); 115static int fe_probe_tdk(device_t); 116 117/* 118 * Initialize the device - called from Slot manager. 119 */ 120static int 121fe_pccard_probe(device_t dev) 122{ 123 struct fe_softc *sc; 124 int error; 125 126 /* Prepare for the device probe process. */ 127 sc = device_get_softc(dev); 128 sc->sc_unit = device_get_unit(dev); 129 130 pccard_get_ether(dev, sc->sc_enaddr); 131 132 /* Probe for supported cards. */ 133 if ((error = fe_probe_mbh(dev)) == 0) 134 goto end; 135 fe_release_resource(dev); 136 137 if ((error = fe_probe_tdk(dev)) == 0) 138 goto end; 139 fe_release_resource(dev); 140 141end: 142 if (error == 0) 143 error = fe_alloc_irq(dev, 0); 144 145 fe_release_resource(dev); 146 return (error); 147} 148 149static int 150fe_pccard_attach(device_t dev) 151{ 152 struct fe_softc *sc = device_get_softc(dev); 153 154 if (sc->port_used) 155 fe_alloc_port(dev, sc->port_used); 156 fe_alloc_irq(dev, 0); 157 158 return fe_attach(dev); 159} 160 161/* 162 * feunload - unload the driver and clear the table. 163 * XXX TODO: 164 * This is usually called when the card is ejected, but 165 * can be caused by a modunload of a controller driver. 166 * The idea is to reset the driver's view of the device 167 * and ensure that any driver entry points such as 168 * read and write do not hang. 169 */ 170static int 171fe_pccard_detach(device_t dev) 172{ 173 struct fe_softc *sc = device_get_softc(dev); 174 struct ifnet *ifp = &sc->arpcom.ac_if; 175 176 fe_stop(sc); 177 ether_ifdetach(ifp); 178 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle); 179 fe_release_resource(dev); 180 181 return 0; 182} 183 184 185/* 186 * Probe and initialization for Fujitsu MBH10302 PCMCIA Ethernet interface. 187 * Note that this is for 10302 only; MBH10304 is handled by fe_probe_tdk(). 188 */ 189static void 190fe_init_mbh(struct fe_softc *sc) 191{ 192 /* Minimal initialization of 86960. */ 193 DELAY(200); 194 fe_outb(sc, FE_DLCR6, sc->proto_dlcr6 | FE_D6_DLC_DISABLE); 195 DELAY(200); 196 197 /* Disable all interrupts. */ 198 fe_outb(sc, FE_DLCR2, 0); 199 fe_outb(sc, FE_DLCR3, 0); 200 201 /* Enable master interrupt flag. */ 202 fe_outb(sc, FE_MBH0, FE_MBH0_MAGIC | FE_MBH0_INTR_ENABLE); 203} 204 205static int 206fe_probe_mbh(device_t dev) 207{ 208 struct fe_softc *sc = device_get_softc(dev); 209 210 static struct fe_simple_probe_struct probe_table [] = { 211 { FE_DLCR2, 0x58, 0x00 }, 212 { FE_DLCR4, 0x08, 0x00 }, 213 { FE_DLCR6, 0xFF, 0xB6 }, 214 { 0 } 215 }; 216 217 /* MBH10302 occupies 32 I/O addresses. */ 218 if (fe_alloc_port(dev, 32)) 219 return ENXIO; 220 221 /* Ethernet MAC address should *NOT* have been given by pccardd, 222 if this is a true MBH10302; i.e., Ethernet address must be 223 "all-zero" upon entry. */ 224 if (sc->sc_enaddr[0] || sc->sc_enaddr[1] || sc->sc_enaddr[2] || 225 sc->sc_enaddr[3] || sc->sc_enaddr[4] || sc->sc_enaddr[5]) 226 return ENXIO; 227 228 /* Fill the softc struct with default values. */ 229 fe_softc_defaults(sc); 230 231 /* 232 * See if MBH10302 is on its address. 233 * I'm not sure the following probe code works. FIXME. 234 */ 235 if (!fe_simple_probe(sc, probe_table)) 236 return ENXIO; 237 238 /* Get our station address from EEPROM. */ 239 fe_inblk(sc, FE_MBH10, sc->sc_enaddr, ETHER_ADDR_LEN); 240 241 /* Make sure we got a valid station address. */ 242 if (!valid_Ether_p(sc->sc_enaddr, 0)) 243 return ENXIO; 244 245 /* Determine the card type. */ 246 sc->type = FE_TYPE_MBH; 247 sc->typestr = "MBH10302 (PCMCIA)"; 248 249 /* We seems to need our own IDENT bits... FIXME. */ 250 sc->proto_dlcr7 = FE_D7_BYTSWP_LH | FE_D7_IDENT_NICE; 251 252 /* Setup hooks. We need a special initialization procedure. */ 253 sc->init = fe_init_mbh; 254 255 return 0; 256} 257 258/* 259 * Probe and initialization for TDK/CONTEC PCMCIA Ethernet interface. 260 * by MASUI Kenji <masui@cs.titech.ac.jp> 261 * 262 * (Contec uses TDK Ethenet chip -- hosokawa) 263 * 264 * This version of fe_probe_tdk has been rewrote to handle 265 * *generic* PC card implementation of Fujitsu MB8696x family. The 266 * name _tdk is just for a historical reason. :-) 267 */ 268static int 269fe_probe_tdk (device_t dev) 270{ 271 struct fe_softc *sc = device_get_softc(dev); 272 273 static struct fe_simple_probe_struct probe_table [] = { 274 { FE_DLCR2, 0x50, 0x00 }, 275 { FE_DLCR4, 0x08, 0x00 }, 276 /* { FE_DLCR5, 0x80, 0x00 }, Does not work well. */ 277 { 0 } 278 }; 279 280 /* C-NET(PC)C occupies 16 I/O addresses. */ 281 if (fe_alloc_port(dev, 16)) 282 return ENXIO; 283 284 /* Fill the softc struct with default values. */ 285 fe_softc_defaults(sc); 286 287 /* 288 * See if C-NET(PC)C is on its address. 289 */ 290 if (!fe_simple_probe(sc, probe_table)) 291 return ENXIO; 292 293 /* Determine the card type. */ 294 sc->type = FE_TYPE_TDK; 295 sc->typestr = "Generic MB8696x/78Q837x Ethernet (PCMCIA)"; 296 297 /* Make sure we got a valid station address. */ 298 if (!valid_Ether_p(sc->sc_enaddr, 0)) 299 return ENXIO; 300 301 return 0; 302} 303