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 #include <machine/bus.h> 38 #include <machine/resource.h> 39 40 #include <net/ethernet.h> 41 #include <net/if.h> 42 #include <net/if_media.h> 43 #include <net/route.h> 44 45 #include <net80211/ieee80211_var.h> 46 #include <net80211/ieee80211_radiotap.h> 47 #include <net80211/ieee80211_ratectl.h> 48 49 #include <dev/pci/pcireg.h> 50 #include <dev/pci/pcivar.h> 51 52 #include <dev/ral/rt2560var.h> 53 #include <dev/ral/rt2661var.h> 54 #include <dev/ral/rt2860var.h> 55 56 MODULE_DEPEND(ral, pci, 1, 1, 1); 57 MODULE_DEPEND(ral, firmware, 1, 1, 1); 58 MODULE_DEPEND(ral, wlan, 1, 1, 1); 59 MODULE_DEPEND(ral, wlan_amrr, 1, 1, 1); 60 61 static int ral_msi_disable; 62 TUNABLE_INT("hw.ral.msi_disable", &ral_msi_disable); 63 64 struct ral_pci_ident { 65 uint16_t vendor; 66 uint16_t device; 67 const char *name; 68 }; 69 70 static const struct ral_pci_ident ral_pci_ids[] = { 71 { 0x1432, 0x7708, "Edimax RT2860" }, 72 { 0x1432, 0x7711, "Edimax RT3591" }, 73 { 0x1432, 0x7722, "Edimax RT3591" }, 74 { 0x1432, 0x7727, "Edimax RT2860" }, 75 { 0x1432, 0x7728, "Edimax RT2860" }, 76 { 0x1432, 0x7738, "Edimax RT2860" }, 77 { 0x1432, 0x7748, "Edimax RT2860" }, 78 { 0x1432, 0x7758, "Edimax RT2860" }, 79 { 0x1432, 0x7768, "Edimax RT2860" }, 80 { 0x1462, 0x891a, "MSI RT3090" }, 81 { 0x1814, 0x0201, "Ralink Technology RT2560" }, 82 { 0x1814, 0x0301, "Ralink Technology RT2561S" }, 83 { 0x1814, 0x0302, "Ralink Technology RT2561" }, 84 { 0x1814, 0x0401, "Ralink Technology RT2661" }, 85 { 0x1814, 0x0601, "Ralink Technology RT2860" }, 86 { 0x1814, 0x0681, "Ralink Technology RT2890" }, 87 { 0x1814, 0x0701, "Ralink Technology RT2760" }, 88 { 0x1814, 0x0781, "Ralink Technology RT2790" }, 89 { 0x1814, 0x3060, "Ralink Technology RT3060" }, 90 { 0x1814, 0x3062, "Ralink Technology RT3062" }, 91 { 0x1814, 0x3090, "Ralink Technology RT3090" }, 92 { 0x1814, 0x3091, "Ralink Technology RT3091" }, 93 { 0x1814, 0x3092, "Ralink Technology RT3092" }, 94 { 0x1814, 0x3390, "Ralink Technology RT3390" }, 95 { 0x1814, 0x3562, "Ralink Technology RT3562" }, 96 { 0x1814, 0x3592, "Ralink Technology RT3592" }, 97 { 0x1814, 0x3593, "Ralink Technology RT3593" }, 98 { 0x1814, 0x5360, "Ralink Technology RT5390" }, 99 { 0x1814, 0x5362, "Ralink Technology RT5392" }, 100 { 0x1814, 0x5390, "Ralink Technology RT5390" }, 101 { 0x1814, 0x5392, "Ralink Technology RT5392" }, 102 { 0x1814, 0x539a, "Ralink Technology RT5390" }, 103 { 0x1814, 0x539f, "Ralink Technology RT5390" }, 104 { 0x1a3b, 0x1059, "AWT RT2890" }, 105 { 0, 0, NULL } 106 }; 107 108 static const struct ral_opns { 109 int (*attach)(device_t, int); 110 int (*detach)(void *); 111 void (*shutdown)(void *); 112 void (*suspend)(void *); 113 void (*resume)(void *); 114 void (*intr)(void *); 115 116 } ral_rt2560_opns = { 117 rt2560_attach, 118 rt2560_detach, 119 rt2560_stop, 120 rt2560_stop, 121 rt2560_resume, 122 rt2560_intr 123 124 }, ral_rt2661_opns = { 125 rt2661_attach, 126 rt2661_detach, 127 rt2661_shutdown, 128 rt2661_suspend, 129 rt2661_resume, 130 rt2661_intr 131 }, ral_rt2860_opns = { 132 rt2860_attach, 133 rt2860_detach, 134 rt2860_shutdown, 135 rt2860_suspend, 136 rt2860_resume, 137 rt2860_intr 138 }; 139 140 struct ral_pci_softc { 141 union { 142 struct rt2560_softc sc_rt2560; 143 struct rt2661_softc sc_rt2661; 144 struct rt2860_softc sc_rt2860; 145 } u; 146 147 const struct ral_opns *sc_opns; 148 struct resource *irq; 149 struct resource *mem; 150 void *sc_ih; 151 }; 152 153 static int ral_pci_probe(device_t); 154 static int ral_pci_attach(device_t); 155 static int ral_pci_detach(device_t); 156 static int ral_pci_shutdown(device_t); 157 static int ral_pci_suspend(device_t); 158 static int ral_pci_resume(device_t); 159 160 static device_method_t ral_pci_methods[] = { 161 /* Device interface */ 162 DEVMETHOD(device_probe, ral_pci_probe), 163 DEVMETHOD(device_attach, ral_pci_attach), 164 DEVMETHOD(device_detach, ral_pci_detach), 165 DEVMETHOD(device_shutdown, ral_pci_shutdown), 166 DEVMETHOD(device_suspend, ral_pci_suspend), 167 DEVMETHOD(device_resume, ral_pci_resume), 168 169 DEVMETHOD_END 170 }; 171 172 static driver_t ral_pci_driver = { 173 "ral", 174 ral_pci_methods, 175 sizeof (struct ral_pci_softc) 176 }; 177 178 static devclass_t ral_devclass; 179 180 DRIVER_MODULE(ral, pci, ral_pci_driver, ral_devclass, NULL, NULL); 181 MODULE_PNP_INFO("U16:vendor;U16:device;D:#", pci, ral, ral_pci_ids, 182 nitems(ral_pci_ids) - 1); 183 184 static int 185 ral_pci_probe(device_t dev) 186 { 187 const struct ral_pci_ident *ident; 188 189 for (ident = ral_pci_ids; ident->name != NULL; ident++) { 190 if (pci_get_vendor(dev) == ident->vendor && 191 pci_get_device(dev) == ident->device) { 192 device_set_desc(dev, ident->name); 193 return (BUS_PROBE_DEFAULT); 194 } 195 } 196 return ENXIO; 197 } 198 199 static int 200 ral_pci_attach(device_t dev) 201 { 202 struct ral_pci_softc *psc = device_get_softc(dev); 203 struct rt2560_softc *sc = &psc->u.sc_rt2560; 204 int count, error, rid; 205 206 pci_enable_busmaster(dev); 207 208 switch (pci_get_device(dev)) { 209 case 0x0201: 210 psc->sc_opns = &ral_rt2560_opns; 211 break; 212 case 0x0301: 213 case 0x0302: 214 case 0x0401: 215 psc->sc_opns = &ral_rt2661_opns; 216 break; 217 default: 218 psc->sc_opns = &ral_rt2860_opns; 219 break; 220 } 221 222 rid = PCIR_BAR(0); 223 psc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 224 RF_ACTIVE); 225 if (psc->mem == NULL) { 226 device_printf(dev, "could not allocate memory resource\n"); 227 return ENXIO; 228 } 229 230 sc->sc_st = rman_get_bustag(psc->mem); 231 sc->sc_sh = rman_get_bushandle(psc->mem); 232 sc->sc_invalid = 1; 233 234 rid = 0; 235 if (ral_msi_disable == 0) { 236 count = 1; 237 if (pci_alloc_msi(dev, &count) == 0) 238 rid = 1; 239 } 240 psc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 241 (rid != 0 ? 0 : RF_SHAREABLE)); 242 if (psc->irq == NULL) { 243 device_printf(dev, "could not allocate interrupt resource\n"); 244 pci_release_msi(dev); 245 bus_release_resource(dev, SYS_RES_MEMORY, 246 rman_get_rid(psc->mem), psc->mem); 247 return ENXIO; 248 } 249 250 error = (*psc->sc_opns->attach)(dev, pci_get_device(dev)); 251 if (error != 0) { 252 (void)ral_pci_detach(dev); 253 return error; 254 } 255 256 /* 257 * Hook our interrupt after all initialization is complete. 258 */ 259 error = bus_setup_intr(dev, psc->irq, INTR_TYPE_NET | INTR_MPSAFE, 260 NULL, psc->sc_opns->intr, psc, &psc->sc_ih); 261 if (error != 0) { 262 device_printf(dev, "could not set up interrupt\n"); 263 (void)ral_pci_detach(dev); 264 return error; 265 } 266 sc->sc_invalid = 0; 267 268 return 0; 269 } 270 271 static int 272 ral_pci_detach(device_t dev) 273 { 274 struct ral_pci_softc *psc = device_get_softc(dev); 275 struct rt2560_softc *sc = &psc->u.sc_rt2560; 276 277 /* check if device was removed */ 278 sc->sc_invalid = !bus_child_present(dev); 279 280 if (psc->sc_ih != NULL) 281 bus_teardown_intr(dev, psc->irq, psc->sc_ih); 282 (*psc->sc_opns->detach)(psc); 283 284 bus_generic_detach(dev); 285 bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(psc->irq), 286 psc->irq); 287 pci_release_msi(dev); 288 289 bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(psc->mem), 290 psc->mem); 291 292 return 0; 293 } 294 295 static int 296 ral_pci_shutdown(device_t dev) 297 { 298 struct ral_pci_softc *psc = device_get_softc(dev); 299 300 (*psc->sc_opns->shutdown)(psc); 301 302 return 0; 303 } 304 305 static int 306 ral_pci_suspend(device_t dev) 307 { 308 struct ral_pci_softc *psc = device_get_softc(dev); 309 310 (*psc->sc_opns->suspend)(psc); 311 312 return 0; 313 } 314 315 static int 316 ral_pci_resume(device_t dev) 317 { 318 struct ral_pci_softc *psc = device_get_softc(dev); 319 320 (*psc->sc_opns->resume)(psc); 321 322 return 0; 323 } 324