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 1.5 2004/09/06 13:52:24 joerg 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 52 #include <machine/bus.h> 53 #include <machine/resource.h> 54 #include <machine/clock.h> 55 #include <sys/rman.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 { 97 unsigned int vendor,device; 98 int bus_type; 99 char *desc; 100 } pci_ids[] = { 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(dev) 122 device_t dev; 123 { 124 struct wi_softc *sc; 125 int i; 126 127 sc = device_get_softc(dev); 128 for(i=0; pci_ids[i].vendor != 0; i++) { 129 if ((pci_get_vendor(dev) == pci_ids[i].vendor) && 130 (pci_get_device(dev) == pci_ids[i].device)) { 131 sc->wi_bus_type = pci_ids[i].bus_type; 132 device_set_desc(dev, pci_ids[i].desc); 133 return (0); 134 } 135 } 136 return(ENXIO); 137 } 138 139 static int 140 wi_pci_attach(device_t dev) 141 { 142 struct wi_softc *sc; 143 u_int32_t command, wanted; 144 u_int16_t reg; 145 int error; 146 int timeout; 147 148 sc = device_get_softc(dev); 149 150 command = pci_read_config(dev, PCIR_COMMAND, 4); 151 wanted = PCIM_CMD_PORTEN|PCIM_CMD_MEMEN; 152 command |= wanted; 153 pci_write_config(dev, PCIR_COMMAND, command, 4); 154 command = pci_read_config(dev, PCIR_COMMAND, 4); 155 if ((command & wanted) != wanted) { 156 device_printf(dev, "wi_pci_attach() failed to enable pci!\n"); 157 return (ENXIO); 158 } 159 160 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) { 161 error = wi_alloc(dev, WI_PCI_IORES); 162 if (error) 163 return (error); 164 165 /* Make sure interrupts are disabled. */ 166 CSR_WRITE_2(sc, WI_INT_EN, 0); 167 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF); 168 169 /* We have to do a magic PLX poke to enable interrupts */ 170 sc->local_rid = WI_PCI_LOCALRES; 171 sc->local = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 172 &sc->local_rid, RF_ACTIVE); 173 sc->wi_localtag = rman_get_bustag(sc->local); 174 sc->wi_localhandle = rman_get_bushandle(sc->local); 175 command = bus_space_read_4(sc->wi_localtag, sc->wi_localhandle, 176 WI_LOCAL_INTCSR); 177 command |= WI_LOCAL_INTEN; 178 bus_space_write_4(sc->wi_localtag, sc->wi_localhandle, 179 WI_LOCAL_INTCSR, command); 180 bus_release_resource(dev, SYS_RES_IOPORT, sc->local_rid, 181 sc->local); 182 sc->local = NULL; 183 184 sc->mem_rid = WI_PCI_MEMRES; 185 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 186 &sc->mem_rid, RF_ACTIVE); 187 if (sc->mem == NULL) { 188 device_printf(dev, "couldn't allocate memory\n"); 189 wi_free(dev); 190 return (ENXIO); 191 } 192 sc->wi_bmemtag = rman_get_bustag(sc->mem); 193 sc->wi_bmemhandle = rman_get_bushandle(sc->mem); 194 195 /* 196 * From Linux driver: 197 * Write COR to enable PC card 198 * This is a subset of the protocol that the pccard bus code 199 * would do. 200 */ 201 CSM_WRITE_1(sc, WI_COR_OFFSET, WI_COR_VALUE); 202 reg = CSM_READ_1(sc, WI_COR_OFFSET); 203 if (reg != WI_COR_VALUE) { 204 device_printf(dev, "CSM_READ_1(WI_COR_OFFSET) " 205 "wanted %d, got %d\n", WI_COR_VALUE, reg); 206 wi_free(dev); 207 return (ENXIO); 208 } 209 } else { 210 error = wi_alloc(dev, WI_PCI_LMEMRES); 211 if (error) 212 return (error); 213 214 CSR_WRITE_2(sc, WI_HFA384X_PCICOR_OFF, 0x0080); 215 DELAY(250000); 216 217 CSR_WRITE_2(sc, WI_HFA384X_PCICOR_OFF, 0x0000); 218 DELAY(500000); 219 220 timeout=2000000; 221 while ((--timeout > 0) && 222 (CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY)) 223 DELAY(10); 224 225 if (timeout == 0) { 226 device_printf(dev, "couldn't reset prism2.5 core.\n"); 227 wi_free(dev); 228 return(ENXIO); 229 } 230 } 231 232 CSR_WRITE_2(sc, WI_HFA384X_SWSUPPORT0_OFF, WI_PRISM2STA_MAGIC); 233 reg = CSR_READ_2(sc, WI_HFA384X_SWSUPPORT0_OFF); 234 if (reg != WI_PRISM2STA_MAGIC) { 235 device_printf(dev, 236 "CSR_READ_2(WI_HFA384X_SWSUPPORT0_OFF) " 237 "wanted %d, got %d\n", WI_PRISM2STA_MAGIC, reg); 238 wi_free(dev); 239 return (ENXIO); 240 } 241 242 error = wi_attach(dev); 243 if (error != 0) 244 wi_free(dev); 245 return (error); 246 } 247 248 static int 249 wi_pci_suspend(device_t dev) 250 { 251 struct wi_softc *sc; 252 struct ifnet *ifp; 253 sc = device_get_softc(dev); 254 ifp = &sc->sc_if; 255 256 wi_stop(ifp, 1); 257 258 return (0); 259 } 260 261 static int 262 wi_pci_resume(device_t dev) 263 { 264 struct wi_softc *sc; 265 struct ifnet *ifp; 266 sc = device_get_softc(dev); 267 ifp = &sc->sc_if; 268 269 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) 270 return (0); 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 return (0); 279 } 280