if_fe_pccard.c revision 65832
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 65832 2000-09-14 12:02:07Z nyan $ 23 */ 24 25#include "opt_fe.h" 26#include "opt_inet.h" 27#include "opt_ipx.h" 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/kernel.h> 32#include <sys/select.h> 33#include <sys/socket.h> 34#include <sys/sockio.h> 35#include <sys/mbuf.h> 36#include <sys/module.h> 37#include <machine/clock.h> 38 39#include <sys/bus.h> 40#include <machine/bus.h> 41#include <sys/rman.h> 42#include <machine/resource.h> 43 44#include <net/ethernet.h> 45#include <net/if.h> 46#include <net/if_dl.h> 47#include <net/if_mib.h> 48#include <net/if_media.h> 49#include <net/if_types.h> 50 51#include <netinet/in.h> 52#include <netinet/if_ether.h> 53 54#include <net/bpf.h> 55 56#include <i386/isa/ic/mb86960.h> 57#include <dev/fe/if_fereg.h> 58#include <dev/fe/if_fevar.h> 59 60#include <dev/pccard/pccardvar.h> 61#include <pccard/cardinfo.h> 62#include <pccard/slot.h> 63 64/* 65 * PC-Card (PCMCIA) specific code. 66 */ 67static int fe_pccard_probe(device_t); 68static int fe_pccard_attach(device_t); 69static int fe_pccard_detach(device_t); 70 71static device_method_t fe_pccard_methods[] = { 72 /* Device interface */ 73 DEVMETHOD(device_probe, fe_pccard_probe), 74 DEVMETHOD(device_attach, fe_pccard_attach), 75 DEVMETHOD(device_detach, fe_pccard_detach), 76 77 { 0, 0 } 78}; 79 80static driver_t fe_pccard_driver = { 81 "fe", 82 fe_pccard_methods, 83 sizeof (struct fe_softc) 84}; 85 86DRIVER_MODULE(fe, pccard, fe_pccard_driver, fe_devclass, 0, 0); 87 88 89static int fe_probe_mbh(device_t); 90static int fe_probe_tdk(device_t); 91 92/* 93 * Initialize the device - called from Slot manager. 94 */ 95static int 96fe_pccard_probe(device_t dev) 97{ 98 struct fe_softc *sc; 99 int error; 100 101 /* Prepare for the device probe process. */ 102 sc = device_get_softc(dev); 103 sc->sc_unit = device_get_unit(dev); 104 105 pccard_get_ether(dev, sc->sc_enaddr); 106 107 /* Probe for supported cards. */ 108 if ((error = fe_probe_mbh(dev)) == 0) 109 goto end; 110 fe_release_resource(dev); 111 112 if ((error = fe_probe_tdk(dev)) == 0) 113 goto end; 114 fe_release_resource(dev); 115 116end: 117 if (error == 0) 118 error = fe_alloc_irq(dev, 0); 119 120 fe_release_resource(dev); 121 return (error); 122} 123 124static int 125fe_pccard_attach(device_t dev) 126{ 127 struct fe_softc *sc = device_get_softc(dev); 128 129 if (sc->port_used) 130 fe_alloc_port(dev, sc->port_used); 131 fe_alloc_irq(dev, 0); 132 133 return fe_attach(dev); 134} 135 136/* 137 * feunload - unload the driver and clear the table. 138 * XXX TODO: 139 * This is usually called when the card is ejected, but 140 * can be caused by a modunload of a controller driver. 141 * The idea is to reset the driver's view of the device 142 * and ensure that any driver entry points such as 143 * read and write do not hang. 144 */ 145static int 146fe_pccard_detach(device_t dev) 147{ 148 struct fe_softc *sc = device_get_softc(dev); 149 struct ifnet *ifp = &sc->arpcom.ac_if; 150 151 fe_stop(sc); 152 ether_ifdetach(ifp, ETHER_BPF_SUPPORTED); 153 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle); 154 fe_release_resource(dev); 155 156 return 0; 157} 158 159 160/* 161 * Probe and initialization for Fujitsu MBH10302 PCMCIA Ethernet interface. 162 * Note that this is for 10302 only; MBH10304 is handled by fe_probe_tdk(). 163 */ 164static void 165fe_init_mbh(struct fe_softc *sc) 166{ 167 /* Minimal initialization of 86960. */ 168 DELAY(200); 169 fe_outb(sc, FE_DLCR6, sc->proto_dlcr6 | FE_D6_DLC_DISABLE); 170 DELAY(200); 171 172 /* Disable all interrupts. */ 173 fe_outb(sc, FE_DLCR2, 0); 174 fe_outb(sc, FE_DLCR3, 0); 175 176 /* Enable master interrupt flag. */ 177 fe_outb(sc, FE_MBH0, FE_MBH0_MAGIC | FE_MBH0_INTR_ENABLE); 178} 179 180static int 181fe_probe_mbh(device_t dev) 182{ 183 struct fe_softc *sc = device_get_softc(dev); 184 185 static struct fe_simple_probe_struct probe_table [] = { 186 { FE_DLCR2, 0x58, 0x00 }, 187 { FE_DLCR4, 0x08, 0x00 }, 188 { FE_DLCR6, 0xFF, 0xB6 }, 189 { 0 } 190 }; 191 192 /* MBH10302 occupies 32 I/O addresses. */ 193 if (fe_alloc_port(dev, 32)) 194 return ENXIO; 195 196 /* Ethernet MAC address should *NOT* have been given by pccardd, 197 if this is a true MBH10302; i.e., Ethernet address must be 198 "all-zero" upon entry. */ 199 if (sc->sc_enaddr[0] || sc->sc_enaddr[1] || sc->sc_enaddr[2] || 200 sc->sc_enaddr[3] || sc->sc_enaddr[4] || sc->sc_enaddr[5]) 201 return ENXIO; 202 203 /* Fill the softc struct with default values. */ 204 fe_softc_defaults(sc); 205 206 /* 207 * See if MBH10302 is on its address. 208 * I'm not sure the following probe code works. FIXME. 209 */ 210 if (!fe_simple_probe(sc, probe_table)) 211 return ENXIO; 212 213 /* Get our station address from EEPROM. */ 214 fe_inblk(sc, FE_MBH10, sc->sc_enaddr, ETHER_ADDR_LEN); 215 216 /* Make sure we got a valid station address. */ 217 if (!valid_Ether_p(sc->sc_enaddr, 0)) 218 return ENXIO; 219 220 /* Determine the card type. */ 221 sc->type = FE_TYPE_MBH; 222 sc->typestr = "MBH10302 (PCMCIA)"; 223 224 /* We seems to need our own IDENT bits... FIXME. */ 225 sc->proto_dlcr7 = FE_D7_BYTSWP_LH | FE_D7_IDENT_NICE; 226 227 /* Setup hooks. We need a special initialization procedure. */ 228 sc->init = fe_init_mbh; 229 230 return 0; 231} 232 233/* 234 * Probe and initialization for TDK/CONTEC PCMCIA Ethernet interface. 235 * by MASUI Kenji <masui@cs.titech.ac.jp> 236 * 237 * (Contec uses TDK Ethenet chip -- hosokawa) 238 * 239 * This version of fe_probe_tdk has been rewrote to handle 240 * *generic* PC card implementation of Fujitsu MB8696x family. The 241 * name _tdk is just for a historical reason. :-) 242 */ 243static int 244fe_probe_tdk (device_t dev) 245{ 246 struct fe_softc *sc = device_get_softc(dev); 247 248 static struct fe_simple_probe_struct probe_table [] = { 249 { FE_DLCR2, 0x50, 0x00 }, 250 { FE_DLCR4, 0x08, 0x00 }, 251 /* { FE_DLCR5, 0x80, 0x00 }, Does not work well. */ 252 { 0 } 253 }; 254 255 /* C-NET(PC)C occupies 16 I/O addresses. */ 256 if (fe_alloc_port(dev, 16)) 257 return ENXIO; 258 259 /* Fill the softc struct with default values. */ 260 fe_softc_defaults(sc); 261 262 /* 263 * See if C-NET(PC)C is on its address. 264 */ 265 if (!fe_simple_probe(sc, probe_table)) 266 return ENXIO; 267 268 /* Determine the card type. */ 269 sc->type = FE_TYPE_TDK; 270 sc->typestr = "Generic MB8696x/78Q837x Ethernet (PCMCIA)"; 271 272 /* Make sure we got a valid station address. */ 273 if (!valid_Ether_p(sc->sc_enaddr, 0)) 274 return ENXIO; 275 276 return 0; 277} 278