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 1.9 2006/10/25 20:56:00 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/rman.h> 53 #include <sys/thread2.h> 54 55 #include <machine/clock.h> 56 57 #include <bus/pci/pcireg.h> 58 #include <bus/pci/pcivar.h> 59 60 #include <net/if.h> 61 #include <net/if_arp.h> 62 #include <net/ethernet.h> 63 #include <net/if_media.h> 64 #include <net/if_types.h> 65 66 #include <netproto/802_11/ieee80211_var.h> 67 #include <netproto/802_11/ieee80211_radiotap.h> 68 #include <netproto/802_11/if_wavelan_ieee.h> 69 70 #include <dev/netif/wi/if_wireg.h> 71 #include <dev/netif/wi/if_wivar.h> 72 73 static int wi_pci_probe(device_t); 74 static int wi_pci_attach(device_t); 75 static int wi_pci_suspend(device_t); 76 static int wi_pci_resume(device_t); 77 78 static device_method_t wi_pci_methods[] = { 79 /* Device interface */ 80 DEVMETHOD(device_probe, wi_pci_probe), 81 DEVMETHOD(device_attach, wi_pci_attach), 82 DEVMETHOD(device_detach, wi_detach), 83 DEVMETHOD(device_shutdown, wi_shutdown), 84 DEVMETHOD(device_suspend, wi_pci_suspend), 85 DEVMETHOD(device_resume, wi_pci_resume), 86 87 { 0, 0 } 88 }; 89 90 static driver_t wi_pci_driver = { 91 "wi", 92 wi_pci_methods, 93 sizeof(struct wi_softc) 94 }; 95 96 static struct wi_pci_card { 97 unsigned int vendor,device; 98 int bus_type; 99 char *desc; 100 } wi_pci_cards[] = { 101 /* Sorted by description */ 102 {0x10b7, 0x7770, WI_BUS_PCI_PLX, "3Com Airconnect"}, 103 {0x16ab, 0x1101, WI_BUS_PCI_PLX, "GLPRISM2 WaveLAN"}, 104 {0x1260, 0x3872, WI_BUS_PCI_NATIVE, "Intersil Prism3"}, 105 {0x1260, 0x3873, WI_BUS_PCI_NATIVE, "Intersil Prism2.5"}, 106 {0x16ab, 0x1102, WI_BUS_PCI_PLX, "Linksys WDT11"}, 107 {0x1385, 0x4100, WI_BUS_PCI_PLX, "Netgear MA301"}, 108 {0x1638, 0x1100, WI_BUS_PCI_PLX, "PRISM2STA WaveLAN"}, 109 {0x111a, 0x1023, WI_BUS_PCI_PLX, "Siemens SpeedStream"}, 110 {0x10b5, 0x9050, WI_BUS_PCI_PLX, "SMC 2602W"}, 111 {0x16ec, 0x3685, WI_BUS_PCI_PLX, "US Robotics 2415"}, 112 {0x4033, 0x7001, WI_BUS_PCI_PLX, "Addtron AWA-100 PCI"}, 113 {0, 0, 0, NULL} 114 }; 115 116 DRIVER_MODULE(wi, pci, wi_pci_driver, wi_devclass, 0, 0); 117 MODULE_DEPEND(wi, pci, 1, 1, 1); 118 MODULE_DEPEND(wi, wlan, 1, 1, 1); 119 120 static int 121 wi_pci_probe(device_t dev) 122 { 123 struct wi_softc *sc; 124 struct wi_pci_card *p; 125 uint16_t vendor, device; 126 127 vendor = pci_get_vendor(dev); 128 device = pci_get_device(dev); 129 for (p = wi_pci_cards; p->vendor != NULL; p++) { 130 if (vendor == p->vendor && device == p->device) { 131 sc = device_get_softc(dev); 132 sc->wi_bus_type = p->bus_type; 133 device_set_desc(dev, p->desc); 134 return (0); 135 } 136 } 137 return(ENXIO); 138 } 139 140 static int 141 wi_pci_attach(device_t dev) 142 { 143 struct wi_softc *sc; 144 u_int16_t reg; 145 int error; 146 147 sc = device_get_softc(dev); 148 149 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) { 150 uint32_t command; 151 152 error = wi_alloc(dev, WI_PCI_IORES); 153 if (error) 154 return (error); 155 156 /* Make sure interrupts are disabled. */ 157 CSR_WRITE_2(sc, WI_INT_EN, 0); 158 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF); 159 160 /* We have to do a magic PLX poke to enable interrupts */ 161 sc->local_rid = WI_PCI_LOCALRES; 162 sc->local = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 163 &sc->local_rid, RF_ACTIVE); 164 sc->wi_localtag = rman_get_bustag(sc->local); 165 sc->wi_localhandle = rman_get_bushandle(sc->local); 166 command = bus_space_read_4(sc->wi_localtag, sc->wi_localhandle, 167 WI_LOCAL_INTCSR); 168 command |= WI_LOCAL_INTEN; 169 bus_space_write_4(sc->wi_localtag, sc->wi_localhandle, 170 WI_LOCAL_INTCSR, command); 171 bus_release_resource(dev, SYS_RES_IOPORT, sc->local_rid, 172 sc->local); 173 sc->local = NULL; 174 175 sc->mem_rid = WI_PCI_MEMRES; 176 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 177 &sc->mem_rid, RF_ACTIVE); 178 if (sc->mem == NULL) { 179 device_printf(dev, "couldn't allocate memory\n"); 180 wi_free(dev); 181 return (ENXIO); 182 } 183 sc->wi_bmemtag = rman_get_bustag(sc->mem); 184 sc->wi_bmemhandle = rman_get_bushandle(sc->mem); 185 186 /* 187 * From Linux driver: 188 * Write COR to enable PC card 189 * This is a subset of the protocol that the pccard bus code 190 * would do. 191 */ 192 CSM_WRITE_1(sc, WI_COR_OFFSET, WI_COR_VALUE); 193 reg = CSM_READ_1(sc, WI_COR_OFFSET); 194 if (reg != WI_COR_VALUE) { 195 device_printf(dev, "CSM_READ_1(WI_COR_OFFSET) " 196 "wanted %d, got %d\n", WI_COR_VALUE, reg); 197 wi_free(dev); 198 return (ENXIO); 199 } 200 } else { 201 int timeout; 202 203 error = wi_alloc(dev, WI_PCI_LMEMRES); 204 if (error) 205 return (error); 206 207 CSR_WRITE_2(sc, WI_HFA384X_PCICOR_OFF, 0x0080); 208 DELAY(250000); 209 210 CSR_WRITE_2(sc, WI_HFA384X_PCICOR_OFF, 0x0000); 211 DELAY(500000); 212 213 timeout=2000000; 214 while ((--timeout > 0) && 215 (CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY)) 216 DELAY(10); 217 218 if (timeout == 0) { 219 device_printf(dev, "couldn't reset prism2.5 core.\n"); 220 wi_free(dev); 221 return(ENXIO); 222 } 223 } 224 225 CSR_WRITE_2(sc, WI_HFA384X_SWSUPPORT0_OFF, WI_PRISM2STA_MAGIC); 226 reg = CSR_READ_2(sc, WI_HFA384X_SWSUPPORT0_OFF); 227 if (reg != WI_PRISM2STA_MAGIC) { 228 device_printf(dev, 229 "CSR_READ_2(WI_HFA384X_SWSUPPORT0_OFF) " 230 "wanted %d, got %d\n", WI_PRISM2STA_MAGIC, reg); 231 wi_free(dev); 232 return (ENXIO); 233 } 234 235 return wi_attach(dev); 236 } 237 238 static int 239 wi_pci_suspend(device_t dev) 240 { 241 struct wi_softc *sc; 242 struct ifnet *ifp; 243 244 sc = device_get_softc(dev); 245 ifp = &sc->sc_if; 246 247 lwkt_serialize_enter(ifp->if_serializer); 248 wi_stop(ifp, 1); 249 lwkt_serialize_exit(ifp->if_serializer); 250 251 return 0; 252 } 253 254 static int 255 wi_pci_resume(device_t dev) 256 { 257 struct wi_softc *sc; 258 struct ifnet *ifp; 259 260 sc = device_get_softc(dev); 261 ifp = &sc->sc_if; 262 263 lwkt_serialize_enter(ifp->if_serializer); 264 265 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) { 266 lwkt_serialize_exit(ifp->if_serializer); 267 return 0; 268 } 269 270 if (ifp->if_flags & IFF_UP) { 271 ifp->if_init(ifp->if_softc); 272 if (ifp->if_flags & IFF_RUNNING) 273 ifp->if_start(ifp); 274 } 275 276 lwkt_serialize_exit(ifp->if_serializer); 277 278 return 0; 279 } 280