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: head/sys/dev/wi/if_wi_pci.c 295126 2016-02-01 17:41:21Z glebius $ 33 */ 34 35 /* 36 * Lucent WaveLAN/IEEE 802.11 PCMCIA driver for FreeBSD. 37 * 38 * Written by Bill Paul <wpaul@ctr.columbia.edu> 39 * Electrical Engineering Department 40 * Columbia University, New York City 41 */ 42 43 #include <sys/param.h> 44 #include <sys/kernel.h> 45 #include <sys/malloc.h> 46 #include <sys/socket.h> 47 #include <sys/systm.h> 48 #include <sys/module.h> 49 #include <sys/bus.h> 50 51 #if !defined(__DragonFly__) 52 #include <machine/bus.h> 53 #include <machine/resource.h> 54 #endif 55 #include <sys/rman.h> 56 57 #if defined(__DragonFly__) 58 #include <bus/pci/pcivar.h> 59 #include <bus/pci/pcireg.h> 60 #else 61 #include <dev/pci/pcireg.h> 62 #include <dev/pci/pcivar.h> 63 #endif 64 65 #include <net/if.h> 66 #include <net/if_var.h> 67 #include <net/if_arp.h> 68 #include <net/ethernet.h> 69 #include <net/if_media.h> 70 #include <net/if_types.h> 71 72 #if defined(__DragonFly__) 73 #include <netproto/802_11/ieee80211_var.h> 74 #include <netproto/802_11/ieee80211_radiotap.h> 75 #else 76 #include <net80211/ieee80211_var.h> 77 #include <net80211/ieee80211_radiotap.h> 78 #endif 79 80 #if defined(__DragonFly__) 81 #include "if_wavelan_ieee.h" 82 #include "if_wireg.h" 83 #include "if_wivar.h" 84 #else 85 #include <dev/wi/if_wavelan_ieee.h> 86 #include <dev/wi/if_wireg.h> 87 #include <dev/wi/if_wivar.h> 88 #endif 89 90 static int wi_pci_probe(device_t); 91 static int wi_pci_attach(device_t); 92 static int wi_pci_suspend(device_t); 93 static int wi_pci_resume(device_t); 94 95 static device_method_t wi_pci_methods[] = { 96 /* Device interface */ 97 DEVMETHOD(device_probe, wi_pci_probe), 98 DEVMETHOD(device_attach, wi_pci_attach), 99 DEVMETHOD(device_detach, wi_detach), 100 DEVMETHOD(device_shutdown, wi_shutdown), 101 DEVMETHOD(device_suspend, wi_pci_suspend), 102 DEVMETHOD(device_resume, wi_pci_resume), 103 104 DEVMETHOD_END 105 }; 106 107 static driver_t wi_pci_driver = { 108 "wi", 109 wi_pci_methods, 110 sizeof(struct wi_softc) 111 }; 112 113 static struct { 114 unsigned int vendor,device; 115 int bus_type; 116 char *desc; 117 } pci_ids[] = { 118 /* Sorted by description */ 119 {0x10b7, 0x7770, WI_BUS_PCI_PLX, "3Com Airconnect"}, 120 {0x16ab, 0x1101, WI_BUS_PCI_PLX, "GLPRISM2 WaveLAN"}, 121 {0x1260, 0x3872, WI_BUS_PCI_NATIVE, "Intersil Prism3"}, 122 {0x1260, 0x3873, WI_BUS_PCI_NATIVE, "Intersil Prism2.5"}, 123 {0x16ab, 0x1102, WI_BUS_PCI_PLX, "Linksys WDT11"}, 124 {0x1385, 0x4100, WI_BUS_PCI_PLX, "Netgear MA301"}, 125 {0x1638, 0x1100, WI_BUS_PCI_PLX, "PRISM2STA WaveLAN"}, 126 {0x111a, 0x1023, WI_BUS_PCI_PLX, "Siemens SpeedStream"}, 127 {0x10b5, 0x9050, WI_BUS_PCI_PLX, "SMC 2602W"}, 128 {0x16ec, 0x3685, WI_BUS_PCI_PLX, "US Robotics 2415"}, 129 {0x4033, 0x7001, WI_BUS_PCI_PLX, "Addtron AWA-100 PCI"}, 130 {0, 0, 0, NULL} 131 }; 132 133 DRIVER_MODULE(wi, pci, wi_pci_driver, wi_devclass, NULL, NULL); 134 MODULE_DEPEND(wi, pci, 1, 1, 1); 135 MODULE_DEPEND(wi, wlan, 1, 1, 1); 136 137 static int 138 wi_pci_probe(device_t dev) 139 { 140 struct wi_softc *sc; 141 int i; 142 143 sc = device_get_softc(dev); 144 for(i=0; pci_ids[i].vendor != 0; i++) { 145 if ((pci_get_vendor(dev) == pci_ids[i].vendor) && 146 (pci_get_device(dev) == pci_ids[i].device)) { 147 sc->wi_bus_type = pci_ids[i].bus_type; 148 device_set_desc(dev, pci_ids[i].desc); 149 return (BUS_PROBE_DEFAULT); 150 } 151 } 152 return(ENXIO); 153 } 154 155 static int 156 wi_pci_attach(device_t dev) 157 { 158 struct wi_softc *sc; 159 u_int32_t command; 160 u_int16_t reg; 161 int error; 162 int timeout; 163 164 sc = device_get_softc(dev); 165 166 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) { 167 error = wi_alloc(dev, WI_PCI_IORES); 168 if (error) 169 return (error); 170 171 /* Make sure interrupts are disabled. */ 172 CSR_WRITE_2(sc, WI_INT_EN, 0); 173 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF); 174 175 /* We have to do a magic PLX poke to enable interrupts */ 176 sc->local_rid = WI_PCI_LOCALRES; 177 sc->local = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 178 &sc->local_rid, RF_ACTIVE); 179 sc->wi_localtag = rman_get_bustag(sc->local); 180 sc->wi_localhandle = rman_get_bushandle(sc->local); 181 command = bus_space_read_4(sc->wi_localtag, sc->wi_localhandle, 182 WI_LOCAL_INTCSR); 183 command |= WI_LOCAL_INTEN; 184 bus_space_write_4(sc->wi_localtag, sc->wi_localhandle, 185 WI_LOCAL_INTCSR, command); 186 bus_release_resource(dev, SYS_RES_IOPORT, sc->local_rid, 187 sc->local); 188 sc->local = NULL; 189 190 sc->mem_rid = WI_PCI_MEMRES; 191 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 192 &sc->mem_rid, RF_ACTIVE); 193 if (sc->mem == NULL) { 194 device_printf(dev, "couldn't allocate memory\n"); 195 wi_free(dev); 196 return (ENXIO); 197 } 198 sc->wi_bmemtag = rman_get_bustag(sc->mem); 199 sc->wi_bmemhandle = rman_get_bushandle(sc->mem); 200 201 /* 202 * Write COR to enable PC card 203 * This is a subset of the protocol that the pccard bus code 204 * would do. In theory, we should parse the CIS to find the 205 * COR offset. In practice, the COR_OFFSET is always 0x3e0. 206 */ 207 CSM_WRITE_1(sc, WI_COR_OFFSET, WI_COR_VALUE); 208 reg = CSM_READ_1(sc, WI_COR_OFFSET); 209 if (reg != WI_COR_VALUE) { 210 device_printf(dev, "CSM_READ_1(WI_COR_OFFSET) " 211 "wanted %d, got %d\n", WI_COR_VALUE, reg); 212 wi_free(dev); 213 return (ENXIO); 214 } 215 } else { 216 error = wi_alloc(dev, WI_PCI_LMEMRES); 217 if (error) 218 return (error); 219 220 CSR_WRITE_2(sc, WI_PCICOR_OFF, WI_PCICOR_RESET); 221 DELAY(250000); 222 223 CSR_WRITE_2(sc, WI_PCICOR_OFF, 0x0000); 224 DELAY(500000); 225 226 timeout=2000000; 227 while ((--timeout > 0) && 228 (CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY)) 229 DELAY(10); 230 231 if (timeout == 0) { 232 device_printf(dev, "couldn't reset prism pci core.\n"); 233 wi_free(dev); 234 return(ENXIO); 235 } 236 } 237 238 CSR_WRITE_2(sc, WI_HFA384X_SWSUPPORT0_OFF, WI_PRISM2STA_MAGIC); 239 reg = CSR_READ_2(sc, WI_HFA384X_SWSUPPORT0_OFF); 240 if (reg != WI_PRISM2STA_MAGIC) { 241 device_printf(dev, 242 "CSR_READ_2(WI_HFA384X_SWSUPPORT0_OFF) " 243 "wanted %d, got %d\n", WI_PRISM2STA_MAGIC, reg); 244 wi_free(dev); 245 return (ENXIO); 246 } 247 248 error = wi_attach(dev); 249 if (error != 0) 250 wi_free(dev); 251 return (error); 252 } 253 254 static int 255 wi_pci_suspend(device_t dev) 256 { 257 struct wi_softc *sc = device_get_softc(dev); 258 259 WI_LOCK(sc); 260 wi_stop(sc, 1); 261 WI_UNLOCK(sc); 262 263 return (0); 264 } 265 266 static int 267 wi_pci_resume(device_t dev) 268 { 269 struct wi_softc *sc = device_get_softc(dev); 270 struct ieee80211com *ic = &sc->sc_ic; 271 272 WI_LOCK(sc); 273 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) { 274 WI_UNLOCK(sc); 275 return (0); 276 } 277 if (ic->ic_nrunning > 0) 278 wi_init(sc); 279 WI_UNLOCK(sc); 280 return (0); 281 } 282