if_fe_pccard.c revision 82778
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 82778 2001-09-02 06:27:07Z shiba $ 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 { { PCCARD_STR_TDK_LAK_CD021BX, PCCARD_VENDOR_TDK, 66 PCCARD_PRODUCT_TDK_LAK_CD021BX, 0 }, 67 0, -1 }, 68 69 { { PCCARD_STR_TDK_LAK_CF010, PCCARD_VENDOR_TDK, 70 PCCARD_PRODUCT_TDK_LAK_CF010, 0 }, 71 0, -1 }, 72 73#if 0 /* XXX 86960-based? */ 74 { { PCCARD_STR_TDK_LAK_DFL9610, PCCARD_VENDOR_TDK, 75 PCCARD_PRODUCT_TDK_LAK_DFL9610, 1 }, 76 0, -1 }, 77#endif 78 79 { { PCCARD_STR_CONTEC_CNETPC, PCCARD_VENDOR_CONTEC, 80 PCCARD_PRODUCT_CONTEC_CNETPC, 0 }, 81 0, -1 }, 82 83 { { PCCARD_STR_FUJITSU_LA501, PCCARD_VENDOR_FUJITSU, 84 PCCARD_PRODUCT_FUJITSU_LA501, 0 }, 85 0x20, -1 }, 86 87 { { PCCARD_STR_FUJITSU_LA10S, PCCARD_VENDOR_FUJITSU, 88 PCCARD_PRODUCT_FUJITSU_LA10S, 0 }, 89 0, -1 }, 90 91 { { PCCARD_STR_RATOC_REX_R280, PCCARD_VENDOR_RATOC, 92 PCCARD_PRODUCT_RATOC_REX_R280, 0 }, 93 0, 0x1fc }, 94 95 { { NULL } } 96}; 97 98static int 99fe_pccard_match(device_t dev) 100{ 101 const struct pccard_product *pp; 102 103 if ((pp = pccard_product_lookup(dev, 104 (const struct pccard_product *)fe_pccard_products, 105 sizeof(fe_pccard_products[0]), NULL)) != NULL) { 106 device_set_desc(dev, pp->pp_name); 107 return 0; 108 } 109 return EIO; 110} 111 112static device_method_t fe_pccard_methods[] = { 113 /* Device interface */ 114 DEVMETHOD(device_probe, pccard_compat_probe), 115 DEVMETHOD(device_attach, pccard_compat_attach), 116 DEVMETHOD(device_detach, fe_pccard_detach), 117 118 /* Card interface */ 119 DEVMETHOD(card_compat_match, fe_pccard_match), 120 DEVMETHOD(card_compat_probe, fe_pccard_probe), 121 DEVMETHOD(card_compat_attach, fe_pccard_attach), 122 123 { 0, 0 } 124}; 125 126static driver_t fe_pccard_driver = { 127 "fe", 128 fe_pccard_methods, 129 sizeof (struct fe_softc) 130}; 131 132DRIVER_MODULE(fe, pccard, fe_pccard_driver, fe_devclass, 0, 0); 133 134 135static int fe_probe_mbh(device_t); 136static int fe_probe_tdk(device_t); 137 138/* 139 * Initialize the device - called from Slot manager. 140 */ 141static int 142fe_pccard_probe(device_t dev) 143{ 144 struct fe_softc *sc; 145 int error; 146 147 /* Prepare for the device probe process. */ 148 sc = device_get_softc(dev); 149 sc->sc_unit = device_get_unit(dev); 150 151 pccard_get_ether(dev, sc->sc_enaddr); 152 153 /* Probe for supported cards. */ 154 if ((error = fe_probe_mbh(dev)) == 0) 155 goto end; 156 fe_release_resource(dev); 157 158 if ((error = fe_probe_tdk(dev)) == 0) 159 goto end; 160 fe_release_resource(dev); 161 162end: 163 if (error == 0) 164 error = fe_alloc_irq(dev, 0); 165 166 fe_release_resource(dev); 167 return (error); 168} 169 170static int 171fe_pccard_attach(device_t dev) 172{ 173 struct fe_softc *sc = device_get_softc(dev); 174 175 if (sc->port_used) 176 fe_alloc_port(dev, sc->port_used); 177 fe_alloc_irq(dev, 0); 178 179 return fe_attach(dev); 180} 181 182/* 183 * feunload - unload the driver and clear the table. 184 * XXX TODO: 185 * This is usually called when the card is ejected, but 186 * can be caused by a modunload of a controller driver. 187 * The idea is to reset the driver's view of the device 188 * and ensure that any driver entry points such as 189 * read and write do not hang. 190 */ 191static int 192fe_pccard_detach(device_t dev) 193{ 194 struct fe_softc *sc = device_get_softc(dev); 195 struct ifnet *ifp = &sc->arpcom.ac_if; 196 197 fe_stop(sc); 198 ether_ifdetach(ifp, ETHER_BPF_SUPPORTED); 199 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle); 200 fe_release_resource(dev); 201 202 return 0; 203} 204 205 206/* 207 * Probe and initialization for Fujitsu MBH10302 PCMCIA Ethernet interface. 208 * Note that this is for 10302 only; MBH10304 is handled by fe_probe_tdk(). 209 */ 210static void 211fe_init_mbh(struct fe_softc *sc) 212{ 213 /* Minimal initialization of 86960. */ 214 DELAY(200); 215 fe_outb(sc, FE_DLCR6, sc->proto_dlcr6 | FE_D6_DLC_DISABLE); 216 DELAY(200); 217 218 /* Disable all interrupts. */ 219 fe_outb(sc, FE_DLCR2, 0); 220 fe_outb(sc, FE_DLCR3, 0); 221 222 /* Enable master interrupt flag. */ 223 fe_outb(sc, FE_MBH0, FE_MBH0_MAGIC | FE_MBH0_INTR_ENABLE); 224} 225 226static int 227fe_probe_mbh(device_t dev) 228{ 229 struct fe_softc *sc = device_get_softc(dev); 230 231 static struct fe_simple_probe_struct probe_table [] = { 232 { FE_DLCR2, 0x58, 0x00 }, 233 { FE_DLCR4, 0x08, 0x00 }, 234 { FE_DLCR6, 0xFF, 0xB6 }, 235 { 0 } 236 }; 237 238 /* MBH10302 occupies 32 I/O addresses. */ 239 if (fe_alloc_port(dev, 32)) 240 return ENXIO; 241 242 /* Ethernet MAC address should *NOT* have been given by pccardd, 243 if this is a true MBH10302; i.e., Ethernet address must be 244 "all-zero" upon entry. */ 245 if (sc->sc_enaddr[0] || sc->sc_enaddr[1] || sc->sc_enaddr[2] || 246 sc->sc_enaddr[3] || sc->sc_enaddr[4] || sc->sc_enaddr[5]) 247 return ENXIO; 248 249 /* Fill the softc struct with default values. */ 250 fe_softc_defaults(sc); 251 252 /* 253 * See if MBH10302 is on its address. 254 * I'm not sure the following probe code works. FIXME. 255 */ 256 if (!fe_simple_probe(sc, probe_table)) 257 return ENXIO; 258 259 /* Get our station address from EEPROM. */ 260 fe_inblk(sc, FE_MBH10, sc->sc_enaddr, ETHER_ADDR_LEN); 261 262 /* Make sure we got a valid station address. */ 263 if (!valid_Ether_p(sc->sc_enaddr, 0)) 264 return ENXIO; 265 266 /* Determine the card type. */ 267 sc->type = FE_TYPE_MBH; 268 sc->typestr = "MBH10302 (PCMCIA)"; 269 270 /* We seems to need our own IDENT bits... FIXME. */ 271 sc->proto_dlcr7 = FE_D7_BYTSWP_LH | FE_D7_IDENT_NICE; 272 273 /* Setup hooks. We need a special initialization procedure. */ 274 sc->init = fe_init_mbh; 275 276 return 0; 277} 278 279/* 280 * Probe and initialization for TDK/CONTEC PCMCIA Ethernet interface. 281 * by MASUI Kenji <masui@cs.titech.ac.jp> 282 * 283 * (Contec uses TDK Ethenet chip -- hosokawa) 284 * 285 * This version of fe_probe_tdk has been rewrote to handle 286 * *generic* PC card implementation of Fujitsu MB8696x family. The 287 * name _tdk is just for a historical reason. :-) 288 */ 289static int 290fe_probe_tdk (device_t dev) 291{ 292 struct fe_softc *sc = device_get_softc(dev); 293 294 static struct fe_simple_probe_struct probe_table [] = { 295 { FE_DLCR2, 0x50, 0x00 }, 296 { FE_DLCR4, 0x08, 0x00 }, 297 /* { FE_DLCR5, 0x80, 0x00 }, Does not work well. */ 298 { 0 } 299 }; 300 301 /* C-NET(PC)C occupies 16 I/O addresses. */ 302 if (fe_alloc_port(dev, 16)) 303 return ENXIO; 304 305 /* Fill the softc struct with default values. */ 306 fe_softc_defaults(sc); 307 308 /* 309 * See if C-NET(PC)C is on its address. 310 */ 311 if (!fe_simple_probe(sc, probe_table)) 312 return ENXIO; 313 314 /* Determine the card type. */ 315 sc->type = FE_TYPE_TDK; 316 sc->typestr = "Generic MB8696x/78Q837x Ethernet (PCMCIA)"; 317 318 /* Make sure we got a valid station address. */ 319 if (!valid_Ether_p(sc->sc_enaddr, 0)) 320 return ENXIO; 321 322 return 0; 323} 324