1 /* 2 * Copyright (c) 1997, 1998, 1999 3 * Bill Paul <wpaul@ctr.columbia.edu>. 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 Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 * $FreeBSD: src/sys/dev/wi/if_wi_pci.c,v 1.22 2004/03/17 17:50:48 njl Exp $ 33 * $DragonFly: src/sys/dev/netif/wi/if_wi_pci.c,v 1.8 2005/12/16 21:05:48 dillon Exp $ 34 */ 35 36 /* 37 * Lucent WaveLAN/IEEE 802.11 PCMCIA driver for FreeBSD. 38 * 39 * Written by Bill Paul <wpaul@ctr.columbia.edu> 40 * Electrical Engineering Department 41 * Columbia University, New York City 42 */ 43 44 #include <sys/param.h> 45 #include <sys/kernel.h> 46 #include <sys/socket.h> 47 #include <sys/systm.h> 48 #include <sys/module.h> 49 #include <sys/bus.h> 50 #include <sys/thread.h> 51 #include <sys/serialize.h> 52 #include <sys/thread2.h> 53 54 #include <machine/bus.h> 55 #include <machine/resource.h> 56 #include <machine/clock.h> 57 #include <sys/rman.h> 58 59 #include <bus/pci/pcireg.h> 60 #include <bus/pci/pcivar.h> 61 62 #include <net/if.h> 63 #include <net/if_arp.h> 64 #include <net/ethernet.h> 65 #include <net/if_media.h> 66 #include <net/if_types.h> 67 68 #include <netproto/802_11/ieee80211_var.h> 69 #include <netproto/802_11/ieee80211_radiotap.h> 70 #include <netproto/802_11/if_wavelan_ieee.h> 71 72 #include <dev/netif/wi/if_wireg.h> 73 #include <dev/netif/wi/if_wivar.h> 74 75 static int wi_pci_probe(device_t); 76 static int wi_pci_attach(device_t); 77 static int wi_pci_suspend(device_t); 78 static int wi_pci_resume(device_t); 79 80 static device_method_t wi_pci_methods[] = { 81 /* Device interface */ 82 DEVMETHOD(device_probe, wi_pci_probe), 83 DEVMETHOD(device_attach, wi_pci_attach), 84 DEVMETHOD(device_detach, wi_detach), 85 DEVMETHOD(device_shutdown, wi_shutdown), 86 DEVMETHOD(device_suspend, wi_pci_suspend), 87 DEVMETHOD(device_resume, wi_pci_resume), 88 89 { 0, 0 } 90 }; 91 92 static driver_t wi_pci_driver = { 93 "wi", 94 wi_pci_methods, 95 sizeof(struct wi_softc) 96 }; 97 98 static struct wi_pci_card { 99 unsigned int vendor,device; 100 int bus_type; 101 char *desc; 102 } wi_pci_cards[] = { 103 /* Sorted by description */ 104 {0x10b7, 0x7770, WI_BUS_PCI_PLX, "3Com Airconnect"}, 105 {0x16ab, 0x1101, WI_BUS_PCI_PLX, "GLPRISM2 WaveLAN"}, 106 {0x1260, 0x3872, WI_BUS_PCI_NATIVE, "Intersil Prism3"}, 107 {0x1260, 0x3873, WI_BUS_PCI_NATIVE, "Intersil Prism2.5"}, 108 {0x16ab, 0x1102, WI_BUS_PCI_PLX, "Linksys WDT11"}, 109 {0x1385, 0x4100, WI_BUS_PCI_PLX, "Netgear MA301"}, 110 {0x1638, 0x1100, WI_BUS_PCI_PLX, "PRISM2STA WaveLAN"}, 111 {0x111a, 0x1023, WI_BUS_PCI_PLX, "Siemens SpeedStream"}, 112 {0x10b5, 0x9050, WI_BUS_PCI_PLX, "SMC 2602W"}, 113 {0x16ec, 0x3685, WI_BUS_PCI_PLX, "US Robotics 2415"}, 114 {0x4033, 0x7001, WI_BUS_PCI_PLX, "Addtron AWA-100 PCI"}, 115 {0, 0, 0, NULL} 116 }; 117 118 DRIVER_MODULE(wi, pci, wi_pci_driver, wi_devclass, 0, 0); 119 MODULE_DEPEND(wi, pci, 1, 1, 1); 120 MODULE_DEPEND(wi, wlan, 1, 1, 1); 121 122 static int 123 wi_pci_probe(device_t dev) 124 { 125 struct wi_softc *sc; 126 struct wi_pci_card *p; 127 uint16_t vendor, device; 128 129 vendor = pci_get_vendor(dev); 130 device = pci_get_device(dev); 131 for (p = wi_pci_cards; p->vendor != NULL; p++) { 132 if (vendor == p->vendor && device == p->device) { 133 sc = device_get_softc(dev); 134 sc->wi_bus_type = p->bus_type; 135 device_set_desc(dev, p->desc); 136 return (0); 137 } 138 } 139 return(ENXIO); 140 } 141 142 static int 143 wi_pci_attach(device_t dev) 144 { 145 struct wi_softc *sc; 146 u_int16_t reg; 147 int error; 148 149 sc = device_get_softc(dev); 150 151 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) { 152 uint32_t command; 153 154 error = wi_alloc(dev, WI_PCI_IORES); 155 if (error) 156 return (error); 157 158 /* Make sure interrupts are disabled. */ 159 CSR_WRITE_2(sc, WI_INT_EN, 0); 160 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF); 161 162 /* We have to do a magic PLX poke to enable interrupts */ 163 sc->local_rid = WI_PCI_LOCALRES; 164 sc->local = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 165 &sc->local_rid, RF_ACTIVE); 166 sc->wi_localtag = rman_get_bustag(sc->local); 167 sc->wi_localhandle = rman_get_bushandle(sc->local); 168 command = bus_space_read_4(sc->wi_localtag, sc->wi_localhandle, 169 WI_LOCAL_INTCSR); 170 command |= WI_LOCAL_INTEN; 171 bus_space_write_4(sc->wi_localtag, sc->wi_localhandle, 172 WI_LOCAL_INTCSR, command); 173 bus_release_resource(dev, SYS_RES_IOPORT, sc->local_rid, 174 sc->local); 175 sc->local = NULL; 176 177 sc->mem_rid = WI_PCI_MEMRES; 178 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 179 &sc->mem_rid, RF_ACTIVE); 180 if (sc->mem == NULL) { 181 device_printf(dev, "couldn't allocate memory\n"); 182 wi_free(dev); 183 return (ENXIO); 184 } 185 sc->wi_bmemtag = rman_get_bustag(sc->mem); 186 sc->wi_bmemhandle = rman_get_bushandle(sc->mem); 187 188 /* 189 * From Linux driver: 190 * Write COR to enable PC card 191 * This is a subset of the protocol that the pccard bus code 192 * would do. 193 */ 194 CSM_WRITE_1(sc, WI_COR_OFFSET, WI_COR_VALUE); 195 reg = CSM_READ_1(sc, WI_COR_OFFSET); 196 if (reg != WI_COR_VALUE) { 197 device_printf(dev, "CSM_READ_1(WI_COR_OFFSET) " 198 "wanted %d, got %d\n", WI_COR_VALUE, reg); 199 wi_free(dev); 200 return (ENXIO); 201 } 202 } else { 203 int timeout; 204 205 error = wi_alloc(dev, WI_PCI_LMEMRES); 206 if (error) 207 return (error); 208 209 CSR_WRITE_2(sc, WI_HFA384X_PCICOR_OFF, 0x0080); 210 DELAY(250000); 211 212 CSR_WRITE_2(sc, WI_HFA384X_PCICOR_OFF, 0x0000); 213 DELAY(500000); 214 215 timeout=2000000; 216 while ((--timeout > 0) && 217 (CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY)) 218 DELAY(10); 219 220 if (timeout == 0) { 221 device_printf(dev, "couldn't reset prism2.5 core.\n"); 222 wi_free(dev); 223 return(ENXIO); 224 } 225 } 226 227 CSR_WRITE_2(sc, WI_HFA384X_SWSUPPORT0_OFF, WI_PRISM2STA_MAGIC); 228 reg = CSR_READ_2(sc, WI_HFA384X_SWSUPPORT0_OFF); 229 if (reg != WI_PRISM2STA_MAGIC) { 230 device_printf(dev, 231 "CSR_READ_2(WI_HFA384X_SWSUPPORT0_OFF) " 232 "wanted %d, got %d\n", WI_PRISM2STA_MAGIC, reg); 233 wi_free(dev); 234 return (ENXIO); 235 } 236 237 return wi_attach(dev); 238 } 239 240 static int 241 wi_pci_suspend(device_t dev) 242 { 243 struct wi_softc *sc; 244 struct ifnet *ifp; 245 246 sc = device_get_softc(dev); 247 ifp = &sc->sc_if; 248 249 lwkt_serialize_enter(ifp->if_serializer); 250 wi_stop(ifp, 1); 251 lwkt_serialize_exit(ifp->if_serializer); 252 253 return 0; 254 } 255 256 static int 257 wi_pci_resume(device_t dev) 258 { 259 struct wi_softc *sc; 260 struct ifnet *ifp; 261 262 sc = device_get_softc(dev); 263 ifp = &sc->sc_if; 264 265 lwkt_serialize_enter(ifp->if_serializer); 266 267 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) { 268 lwkt_serialize_exit(ifp->if_serializer); 269 return 0; 270 } 271 272 if (ifp->if_flags & IFF_UP) { 273 ifp->if_init(ifp->if_softc); 274 if (ifp->if_flags & IFF_RUNNING) 275 ifp->if_start(ifp); 276 } 277 278 lwkt_serialize_exit(ifp->if_serializer); 279 280 return 0; 281 } 282