1 /*- 2 * Copyright (c) 2005, 2006 3 * Damien Bergamini <damien.bergamini@free.fr> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <sys/cdefs.h> 19 __FBSDID("$FreeBSD$"); 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/systm.h> 27 #include <sys/bus.h> 28 #include <sys/kernel.h> 29 #include <sys/lock.h> 30 #include <sys/malloc.h> 31 #include <sys/mbuf.h> 32 #include <sys/module.h> 33 #include <sys/mutex.h> 34 #include <sys/rman.h> 35 #include <sys/socket.h> 36 37 #if defined(__DragonFly__) 38 /* empty */ 39 #else 40 #include <machine/bus.h> 41 #include <machine/resource.h> 42 #endif 43 44 #include <net/ethernet.h> 45 #include <net/if.h> 46 #include <net/if_var.h> 47 #include <net/if_media.h> 48 #include <net/route.h> 49 50 #include <netproto/802_11/ieee80211_var.h> 51 #include <netproto/802_11/ieee80211_radiotap.h> 52 53 #include <bus/pci/pcireg.h> 54 #include <bus/pci/pcivar.h> 55 56 #include <dev/netif/ral/rt2560var.h> 57 #include <dev/netif/ral/rt2661var.h> 58 #include <dev/netif/ral/rt2860var.h> 59 60 MODULE_DEPEND(ral, pci, 1, 1, 1); 61 MODULE_DEPEND(ral, firmware, 1, 1, 1); 62 MODULE_DEPEND(ral, wlan, 1, 1, 1); 63 MODULE_DEPEND(ral, wlan_amrr, 1, 1, 1); 64 65 static int ral_msi_disable; 66 TUNABLE_INT("hw.ral.msi_disable", &ral_msi_disable); 67 68 struct ral_pci_ident { 69 uint16_t vendor; 70 uint16_t device; 71 const char *name; 72 }; 73 74 static const struct ral_pci_ident ral_pci_ids[] = { 75 { 0x1432, 0x7708, "Edimax RT2860" }, 76 { 0x1432, 0x7711, "Edimax RT3591" }, 77 { 0x1432, 0x7722, "Edimax RT3591" }, 78 { 0x1432, 0x7727, "Edimax RT2860" }, 79 { 0x1432, 0x7728, "Edimax RT2860" }, 80 { 0x1432, 0x7738, "Edimax RT2860" }, 81 { 0x1432, 0x7748, "Edimax RT2860" }, 82 { 0x1432, 0x7758, "Edimax RT2860" }, 83 { 0x1432, 0x7768, "Edimax RT2860" }, 84 { 0x1462, 0x891a, "MSI RT3090" }, 85 { 0x1814, 0x0201, "Ralink Technology RT2560" }, 86 { 0x1814, 0x0301, "Ralink Technology RT2561S" }, 87 { 0x1814, 0x0302, "Ralink Technology RT2561" }, 88 { 0x1814, 0x0401, "Ralink Technology RT2661" }, 89 { 0x1814, 0x0601, "Ralink Technology RT2860" }, 90 { 0x1814, 0x0681, "Ralink Technology RT2890" }, 91 { 0x1814, 0x0701, "Ralink Technology RT2760" }, 92 { 0x1814, 0x0781, "Ralink Technology RT2790" }, 93 { 0x1814, 0x3060, "Ralink Technology RT3060" }, 94 { 0x1814, 0x3062, "Ralink Technology RT3062" }, 95 { 0x1814, 0x3090, "Ralink Technology RT3090" }, 96 { 0x1814, 0x3091, "Ralink Technology RT3091" }, 97 { 0x1814, 0x3092, "Ralink Technology RT3092" }, 98 { 0x1814, 0x3390, "Ralink Technology RT3390" }, 99 { 0x1814, 0x3562, "Ralink Technology RT3562" }, 100 { 0x1814, 0x3592, "Ralink Technology RT3592" }, 101 { 0x1814, 0x3593, "Ralink Technology RT3593" }, 102 { 0x1814, 0x5360, "Ralink Technology RT5390" }, 103 { 0x1814, 0x5362, "Ralink Technology RT5392" }, 104 { 0x1814, 0x5390, "Ralink Technology RT5390" }, 105 { 0x1814, 0x5392, "Ralink Technology RT5392" }, 106 { 0x1814, 0x539a, "Ralink Technology RT5390" }, 107 { 0x1814, 0x539f, "Ralink Technology RT5390" }, 108 { 0x1a3b, 0x1059, "AWT RT2890" }, 109 { 0, 0, NULL } 110 }; 111 112 static const struct ral_opns { 113 int (*attach)(device_t, int); 114 int (*detach)(void *); 115 void (*shutdown)(void *); 116 void (*suspend)(void *); 117 void (*resume)(void *); 118 void (*intr)(void *); 119 120 } ral_rt2560_opns = { 121 rt2560_attach, 122 rt2560_detach, 123 rt2560_stop, 124 rt2560_stop, 125 rt2560_resume, 126 rt2560_intr 127 128 }, ral_rt2661_opns = { 129 rt2661_attach, 130 rt2661_detach, 131 rt2661_shutdown, 132 rt2661_suspend, 133 rt2661_resume, 134 rt2661_intr 135 }, ral_rt2860_opns = { 136 rt2860_attach, 137 rt2860_detach, 138 rt2860_shutdown, 139 rt2860_suspend, 140 rt2860_resume, 141 rt2860_intr 142 }; 143 144 struct ral_pci_softc { 145 union { 146 struct rt2560_softc sc_rt2560; 147 struct rt2661_softc sc_rt2661; 148 struct rt2860_softc sc_rt2860; 149 } u; 150 151 const struct ral_opns *sc_opns; 152 struct resource *irq; 153 struct resource *mem; 154 void *sc_ih; 155 int sc_irq_type; 156 }; 157 158 static int ral_pci_probe(device_t); 159 static int ral_pci_attach(device_t); 160 static int ral_pci_detach(device_t); 161 static int ral_pci_shutdown(device_t); 162 static int ral_pci_suspend(device_t); 163 static int ral_pci_resume(device_t); 164 165 static device_method_t ral_pci_methods[] = { 166 /* Device interface */ 167 DEVMETHOD(device_probe, ral_pci_probe), 168 DEVMETHOD(device_attach, ral_pci_attach), 169 DEVMETHOD(device_detach, ral_pci_detach), 170 DEVMETHOD(device_shutdown, ral_pci_shutdown), 171 DEVMETHOD(device_suspend, ral_pci_suspend), 172 DEVMETHOD(device_resume, ral_pci_resume), 173 174 DEVMETHOD_END 175 }; 176 177 static driver_t ral_pci_driver = { 178 "ral", 179 ral_pci_methods, 180 sizeof (struct ral_pci_softc) 181 }; 182 183 static devclass_t ral_devclass; 184 185 DRIVER_MODULE(ral, pci, ral_pci_driver, ral_devclass, NULL, NULL); 186 187 static int 188 ral_pci_probe(device_t dev) 189 { 190 const struct ral_pci_ident *ident; 191 192 for (ident = ral_pci_ids; ident->name != NULL; ident++) { 193 if (pci_get_vendor(dev) == ident->vendor && 194 pci_get_device(dev) == ident->device) { 195 device_set_desc(dev, ident->name); 196 return (BUS_PROBE_DEFAULT); 197 } 198 } 199 return ENXIO; 200 } 201 202 static int 203 ral_pci_attach(device_t dev) 204 { 205 struct ral_pci_softc *psc = device_get_softc(dev); 206 struct rt2560_softc *sc = &psc->u.sc_rt2560; 207 #if defined(__DragonFly__) 208 int error, rid; 209 #else 210 int count, error, rid; 211 #endif 212 #if defined(__DragonFly__) 213 int irq_flags; 214 #endif 215 216 #if defined(__DragonFly__) 217 /* still needed? XXX */ 218 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { 219 device_printf(dev, "chip is in D%d power mode " 220 "-- setting to D0\n", pci_get_powerstate(dev)); 221 pci_set_powerstate(dev, PCI_POWERSTATE_D0); 222 } 223 #endif 224 225 pci_enable_busmaster(dev); 226 227 switch (pci_get_device(dev)) { 228 case 0x0201: 229 psc->sc_opns = &ral_rt2560_opns; 230 break; 231 case 0x0301: 232 case 0x0302: 233 case 0x0401: 234 psc->sc_opns = &ral_rt2661_opns; 235 break; 236 default: 237 psc->sc_opns = &ral_rt2860_opns; 238 break; 239 } 240 241 rid = PCIR_BAR(0); 242 psc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 243 RF_ACTIVE); 244 if (psc->mem == NULL) { 245 device_printf(dev, "could not allocate memory resource\n"); 246 return ENXIO; 247 } 248 249 sc->sc_st = rman_get_bustag(psc->mem); 250 sc->sc_sh = rman_get_bushandle(psc->mem); 251 sc->sc_invalid = 1; 252 253 #if defined(__DragonFly__) 254 psc->sc_irq_type = pci_alloc_1intr(dev, ~ral_msi_disable, 255 &rid, &irq_flags); 256 psc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, irq_flags); 257 #else 258 rid = 0; 259 if (ral_msi_disable == 0) { 260 count = 1; 261 if (pci_alloc_msi(dev, &count) == 0) 262 rid = 1; 263 } 264 psc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 265 (rid != 0 ? 0 : RF_SHAREABLE)); 266 #endif 267 if (psc->irq == NULL) { 268 device_printf(dev, "could not allocate interrupt resource\n"); 269 pci_release_msi(dev); 270 bus_release_resource(dev, SYS_RES_MEMORY, 271 rman_get_rid(psc->mem), psc->mem); 272 return ENXIO; 273 } 274 275 error = (*psc->sc_opns->attach)(dev, pci_get_device(dev)); 276 if (error != 0) { 277 (void)ral_pci_detach(dev); 278 return error; 279 } 280 281 /* 282 * Hook our interrupt after all initialization is complete. 283 */ 284 #if defined(__DragonFly__) 285 error = bus_setup_intr(dev, psc->irq, INTR_MPSAFE, 286 psc->sc_opns->intr, psc, &psc->sc_ih, &wlan_global_serializer); 287 #else 288 error = bus_setup_intr(dev, psc->irq, INTR_TYPE_NET | INTR_MPSAFE, 289 NULL, psc->sc_opns->intr, psc, &psc->sc_ih); 290 #endif 291 if (error != 0) { 292 device_printf(dev, "could not set up interrupt\n"); 293 (void)ral_pci_detach(dev); 294 return error; 295 } 296 sc->sc_invalid = 0; 297 298 return 0; 299 } 300 301 static int 302 ral_pci_detach(device_t dev) 303 { 304 struct ral_pci_softc *psc = device_get_softc(dev); 305 struct rt2560_softc *sc = &psc->u.sc_rt2560; 306 307 /* check if device was removed */ 308 sc->sc_invalid = !bus_child_present(dev); 309 310 if (psc->sc_ih != NULL) 311 bus_teardown_intr(dev, psc->irq, psc->sc_ih); 312 (*psc->sc_opns->detach)(psc); 313 314 bus_generic_detach(dev); 315 316 #if defined(__DragonFly__) 317 if (psc->sc_irq_type == PCI_INTR_TYPE_MSI) 318 pci_release_msi(dev); 319 #endif 320 bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(psc->irq), 321 psc->irq); 322 pci_release_msi(dev); 323 324 bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(psc->mem), 325 psc->mem); 326 327 return 0; 328 } 329 330 static int 331 ral_pci_shutdown(device_t dev) 332 { 333 struct ral_pci_softc *psc = device_get_softc(dev); 334 335 (*psc->sc_opns->shutdown)(psc); 336 337 return 0; 338 } 339 340 static int 341 ral_pci_suspend(device_t dev) 342 { 343 struct ral_pci_softc *psc = device_get_softc(dev); 344 345 (*psc->sc_opns->suspend)(psc); 346 347 return 0; 348 } 349 350 static int 351 ral_pci_resume(device_t dev) 352 { 353 struct ral_pci_softc *psc = device_get_softc(dev); 354 355 (*psc->sc_opns->resume)(psc); 356 357 return 0; 358 } 359