1 /* $FreeBSD: src/sys/dev/ral/if_ral_pci.c,v 1.10 2012/05/10 17:41:16 bschmidt Exp $ */ 2 3 /*- 4 * Copyright (c) 2005, 2006 5 * Damien Bergamini <damien.bergamini@free.fr> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 21 /* 22 * PCI/Cardbus front-end for the Ralink RT2560/RT2561/RT2561S/RT2661 driver. 23 */ 24 25 #include <sys/param.h> 26 #include <sys/sysctl.h> 27 #include <sys/sockio.h> 28 #include <sys/mbuf.h> 29 #include <sys/kernel.h> 30 #include <sys/socket.h> 31 #include <sys/systm.h> 32 #include <sys/malloc.h> 33 #include <sys/module.h> 34 #include <sys/bus.h> 35 #include <sys/endian.h> 36 #include <sys/rman.h> 37 38 #include <net/bpf.h> 39 #include <net/if.h> 40 #include <net/if_arp.h> 41 #include <net/ethernet.h> 42 #include <net/if_dl.h> 43 #include <net/if_media.h> 44 #include <net/if_types.h> 45 46 #include <netproto/802_11/ieee80211_var.h> 47 #include <netproto/802_11/ieee80211_radiotap.h> 48 #include <netproto/802_11/ieee80211_amrr.h> 49 50 #include "pcidevs.h" 51 #include <bus/pci/pcireg.h> 52 #include <bus/pci/pcivar.h> 53 54 #include <dev/netif/ral/rt2560var.h> 55 #include <dev/netif/ral/rt2661var.h> 56 #include <dev/netif/ral/rt2860var.h> 57 58 MODULE_DEPEND(ral, pci, 1, 1, 1); 59 MODULE_DEPEND(ral, firmware, 1, 1, 1); 60 MODULE_DEPEND(ral, wlan, 1, 1, 1); 61 MODULE_DEPEND(ral, wlan_amrr, 1, 1, 1); 62 63 struct ral_pci_ident { 64 uint16_t vendor; 65 uint16_t device; 66 const char *name; 67 }; 68 69 static const struct ral_pci_ident ral_pci_ids[] = { 70 { PCI_VENDOR_AWT, PCI_PRODUCT_AWT_RT2890, 71 "Ralink Technology RT2890" }, 72 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_1, 73 "Ralink Technology RT2860" }, 74 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_2, 75 "Ralink Technology RT2860" }, 76 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_3, 77 "Ralink Technology RT2860" }, 78 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_4, 79 "Ralink Technology RT2860" }, 80 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_5, 81 "Ralink Technology RT2860" }, 82 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_6, 83 "Ralink Technology RT2860" }, 84 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_7, 85 "Ralink Technology RT2860" }, 86 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT3591_1, 87 "Ralink Technology RT3591" }, 88 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT3591_2, 89 "Ralink Technology RT3591" }, 90 { PCI_VENDOR_MSI, PCI_PRODUCT_MSI_RT3090, 91 "Ralink Technology RT3090" }, 92 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2560, 93 "Ralink Technology RT2560" }, 94 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561S, 95 "Ralink Technology RT2561S" }, 96 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561, 97 "Ralink Technology RT2561" }, 98 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2661, 99 "Ralink Technology RT2661" }, 100 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760, 101 "Ralink Technology RT2760" }, 102 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790, 103 "Ralink Technology RT2790" }, 104 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860, 105 "Ralink Technology RT2860" }, 106 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2890, 107 "Ralink Technology RT2890" }, 108 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3060, 109 "Ralink Technology RT3060" }, 110 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3062, 111 "Ralink Technology RT3062" }, 112 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3090, 113 "Ralink Technology RT3090" }, 114 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3091, 115 "Ralink Technology RT3091" }, 116 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3092, 117 "Ralink Technology RT3092" }, 118 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3390, 119 "Ralink Technology RT3390" }, 120 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3562, 121 "Ralink Technology RT3562" }, 122 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3592, 123 "Ralink Technology RT3592" }, 124 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3593, 125 "Ralink Technology RT3593" }, 126 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_1, 127 "Ralink Technology RT5390" }, 128 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_2, 129 "Ralink Technology RT5390" }, 130 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_3, 131 "Ralink Technology RT5390" }, 132 133 { 0, 0, NULL } 134 }; 135 136 static struct ral_opns { 137 int (*attach)(device_t, int); 138 int (*detach)(void *); 139 void (*shutdown)(void *); 140 void (*suspend)(void *); 141 void (*resume)(void *); 142 void (*intr)(void *); 143 144 } ral_rt2560_opns = { 145 rt2560_attach, 146 rt2560_detach, 147 rt2560_stop, 148 rt2560_stop, 149 rt2560_resume, 150 rt2560_intr 151 152 }, ral_rt2661_opns = { 153 rt2661_attach, 154 rt2661_detach, 155 rt2661_shutdown, 156 rt2661_suspend, 157 rt2661_resume, 158 rt2661_intr 159 }, ral_rt2860_opns = { 160 rt2860_attach, 161 rt2860_detach, 162 rt2860_shutdown, 163 rt2860_suspend, 164 rt2860_resume, 165 rt2860_intr 166 }; 167 168 struct ral_pci_softc { 169 union { 170 struct rt2560_softc sc_rt2560; 171 struct rt2661_softc sc_rt2661; 172 struct rt2860_softc sc_rt2860; 173 } u; 174 175 struct ral_opns *sc_opns; 176 int irq_rid; 177 int mem_rid; 178 struct resource *irq; 179 struct resource *mem; 180 void *sc_ih; 181 }; 182 183 static int ral_pci_probe(device_t); 184 static int ral_pci_attach(device_t); 185 static int ral_pci_detach(device_t); 186 static int ral_pci_shutdown(device_t); 187 static int ral_pci_suspend(device_t); 188 static int ral_pci_resume(device_t); 189 190 static device_method_t ral_pci_methods[] = { 191 /* Device interface */ 192 DEVMETHOD(device_probe, ral_pci_probe), 193 DEVMETHOD(device_attach, ral_pci_attach), 194 DEVMETHOD(device_detach, ral_pci_detach), 195 DEVMETHOD(device_shutdown, ral_pci_shutdown), 196 DEVMETHOD(device_suspend, ral_pci_suspend), 197 DEVMETHOD(device_resume, ral_pci_resume), 198 199 DEVMETHOD_END 200 }; 201 202 static driver_t ral_pci_driver = { 203 "ral", 204 ral_pci_methods, 205 sizeof (struct ral_pci_softc) 206 }; 207 208 static devclass_t ral_devclass; 209 210 DRIVER_MODULE(ral, pci, ral_pci_driver, ral_devclass, NULL, NULL); 211 212 static int 213 ral_pci_probe(device_t dev) 214 { 215 const struct ral_pci_ident *ident; 216 217 wlan_serialize_enter(); 218 219 for (ident = ral_pci_ids; ident->name != NULL; ident++) { 220 if (pci_get_vendor(dev) == ident->vendor && 221 pci_get_device(dev) == ident->device) { 222 device_set_desc(dev, ident->name); 223 wlan_serialize_exit(); 224 return 0; 225 } 226 } 227 wlan_serialize_exit(); 228 return ENXIO; 229 } 230 231 /* Base Address Register */ 232 #define RAL_PCI_BAR0 0x10 233 234 static int 235 ral_pci_attach(device_t dev) 236 { 237 struct ral_pci_softc *psc = device_get_softc(dev); 238 struct rt2560_softc *sc = &psc->u.sc_rt2560; 239 int error; 240 241 wlan_serialize_enter(); 242 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { 243 device_printf(dev, "chip is in D%d power mode " 244 "-- setting to D0\n", pci_get_powerstate(dev)); 245 pci_set_powerstate(dev, PCI_POWERSTATE_D0); 246 } 247 248 /* enable bus-mastering */ 249 pci_enable_busmaster(dev); 250 251 switch (pci_get_device(dev)) { 252 case PCI_PRODUCT_RALINK_RT2560: 253 psc->sc_opns = &ral_rt2560_opns; 254 break; 255 case PCI_PRODUCT_RALINK_RT2561S: 256 case PCI_PRODUCT_RALINK_RT2561: 257 case PCI_PRODUCT_RALINK_RT2661: 258 psc->sc_opns = &ral_rt2661_opns; 259 break; 260 default: 261 psc->sc_opns = &ral_rt2860_opns; 262 break; 263 } 264 265 psc->mem_rid = RAL_PCI_BAR0; 266 psc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &psc->mem_rid, 267 RF_ACTIVE); 268 if (psc->mem == NULL) { 269 device_printf(dev, "could not allocate memory resource\n"); 270 wlan_serialize_exit(); 271 return ENXIO; 272 } 273 274 sc->sc_st = rman_get_bustag(psc->mem); 275 sc->sc_sh = rman_get_bushandle(psc->mem); 276 sc->sc_invalid = 1; 277 278 psc->irq_rid = 0; 279 psc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &psc->irq_rid, 280 RF_ACTIVE | RF_SHAREABLE); 281 if (psc->irq == NULL) { 282 device_printf(dev, "could not allocate interrupt resource\n"); 283 wlan_serialize_exit(); 284 return ENXIO; 285 } 286 287 error = (*psc->sc_opns->attach)(dev, pci_get_device(dev)); 288 if (error != 0) { 289 wlan_serialize_exit(); 290 return error; 291 } 292 293 /* 294 * Hook our interrupt after all initialization is complete. 295 */ 296 error = bus_setup_intr(dev, psc->irq, INTR_MPSAFE, 297 psc->sc_opns->intr, psc, &psc->sc_ih, &wlan_global_serializer); 298 if (error != 0) { 299 device_printf(dev, "could not set up interrupt\n"); 300 wlan_serialize_exit(); 301 return error; 302 } 303 sc->sc_invalid = 0; 304 305 wlan_serialize_exit(); 306 return 0; 307 } 308 309 static int 310 ral_pci_detach(device_t dev) 311 { 312 struct ral_pci_softc *psc = device_get_softc(dev); 313 struct rt2560_softc *sc = &psc->u.sc_rt2560; 314 315 wlan_serialize_enter(); 316 /* check if device was removed */ 317 sc->sc_invalid = !bus_child_present(dev); 318 319 (*psc->sc_opns->detach)(psc); 320 321 bus_generic_detach(dev); 322 bus_teardown_intr(dev, psc->irq, psc->sc_ih); 323 bus_release_resource(dev, SYS_RES_IRQ, psc->irq_rid, psc->irq); 324 325 bus_release_resource(dev, SYS_RES_MEMORY, psc->mem_rid, psc->mem); 326 327 wlan_serialize_exit(); 328 return 0; 329 } 330 331 static int 332 ral_pci_shutdown(device_t dev) 333 { 334 struct ral_pci_softc *psc = device_get_softc(dev); 335 336 wlan_serialize_enter(); 337 (*psc->sc_opns->shutdown)(psc); 338 wlan_serialize_exit(); 339 340 return 0; 341 } 342 343 static int 344 ral_pci_suspend(device_t dev) 345 { 346 struct ral_pci_softc *psc = device_get_softc(dev); 347 348 wlan_serialize_enter(); 349 (*psc->sc_opns->suspend)(psc); 350 wlan_serialize_exit(); 351 352 return 0; 353 } 354 355 static int 356 ral_pci_resume(device_t dev) 357 { 358 struct ral_pci_softc *psc = device_get_softc(dev); 359 360 wlan_serialize_enter(); 361 (*psc->sc_opns->resume)(psc); 362 wlan_serialize_exit(); 363 364 return 0; 365 } 366