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 /* 20 * PCI/Cardbus front-end for the Ralink RT2560/RT2561/RT2561S/RT2661 driver. 21 */ 22 23 #include <sys/param.h> 24 #include <sys/systm.h> 25 #include <sys/bus.h> 26 #include <sys/kernel.h> 27 #include <sys/lock.h> 28 #include <sys/malloc.h> 29 #include <sys/mbuf.h> 30 #include <sys/module.h> 31 #include <sys/mutex.h> 32 #include <sys/rman.h> 33 #include <sys/socket.h> 34 35 #include <machine/bus.h> 36 #include <machine/resource.h> 37 38 #include <net/ethernet.h> 39 #include <net/if.h> 40 #include <net/if_media.h> 41 #include <net/route.h> 42 43 #include <net80211/ieee80211_var.h> 44 #include <net80211/ieee80211_radiotap.h> 45 #include <net80211/ieee80211_ratectl.h> 46 47 #include <dev/pci/pcireg.h> 48 #include <dev/pci/pcivar.h> 49 50 #include <dev/ral/rt2560var.h> 51 #include <dev/ral/rt2661var.h> 52 #include <dev/ral/rt2860var.h> 53 54 MODULE_DEPEND(ral, pci, 1, 1, 1); 55 MODULE_DEPEND(ral, firmware, 1, 1, 1); 56 MODULE_DEPEND(ral, wlan, 1, 1, 1); 57 MODULE_DEPEND(ral, wlan_amrr, 1, 1, 1); 58 59 static int ral_msi_disable; 60 TUNABLE_INT("hw.ral.msi_disable", &ral_msi_disable); 61 62 struct ral_pci_ident { 63 uint16_t vendor; 64 uint16_t device; 65 const char *name; 66 }; 67 68 static const struct ral_pci_ident ral_pci_ids[] = { 69 { 0x1432, 0x7708, "Edimax RT2860" }, 70 { 0x1432, 0x7711, "Edimax RT3591" }, 71 { 0x1432, 0x7722, "Edimax RT3591" }, 72 { 0x1432, 0x7727, "Edimax RT2860" }, 73 { 0x1432, 0x7728, "Edimax RT2860" }, 74 { 0x1432, 0x7738, "Edimax RT2860" }, 75 { 0x1432, 0x7748, "Edimax RT2860" }, 76 { 0x1432, 0x7758, "Edimax RT2860" }, 77 { 0x1432, 0x7768, "Edimax RT2860" }, 78 { 0x1462, 0x891a, "MSI RT3090" }, 79 { 0x1814, 0x0201, "Ralink Technology RT2560" }, 80 { 0x1814, 0x0301, "Ralink Technology RT2561S" }, 81 { 0x1814, 0x0302, "Ralink Technology RT2561" }, 82 { 0x1814, 0x0401, "Ralink Technology RT2661" }, 83 { 0x1814, 0x0601, "Ralink Technology RT2860" }, 84 { 0x1814, 0x0681, "Ralink Technology RT2890" }, 85 { 0x1814, 0x0701, "Ralink Technology RT2760" }, 86 { 0x1814, 0x0781, "Ralink Technology RT2790" }, 87 { 0x1814, 0x3060, "Ralink Technology RT3060" }, 88 { 0x1814, 0x3062, "Ralink Technology RT3062" }, 89 { 0x1814, 0x3090, "Ralink Technology RT3090" }, 90 { 0x1814, 0x3091, "Ralink Technology RT3091" }, 91 { 0x1814, 0x3092, "Ralink Technology RT3092" }, 92 { 0x1814, 0x3390, "Ralink Technology RT3390" }, 93 { 0x1814, 0x3562, "Ralink Technology RT3562" }, 94 { 0x1814, 0x3592, "Ralink Technology RT3592" }, 95 { 0x1814, 0x3593, "Ralink Technology RT3593" }, 96 { 0x1814, 0x5360, "Ralink Technology RT5390" }, 97 { 0x1814, 0x5362, "Ralink Technology RT5392" }, 98 { 0x1814, 0x5390, "Ralink Technology RT5390" }, 99 { 0x1814, 0x5392, "Ralink Technology RT5392" }, 100 { 0x1814, 0x539a, "Ralink Technology RT5390" }, 101 { 0x1814, 0x539b, "Ralink Technology RT5390" }, 102 { 0x1814, 0x539f, "Ralink Technology RT5390" }, 103 { 0x1a3b, 0x1059, "AWT RT2890" }, 104 { 0, 0, NULL } 105 }; 106 107 static const struct ral_opns { 108 int (*attach)(device_t, int); 109 int (*detach)(void *); 110 void (*shutdown)(void *); 111 void (*suspend)(void *); 112 void (*resume)(void *); 113 void (*intr)(void *); 114 115 } ral_rt2560_opns = { 116 rt2560_attach, 117 rt2560_detach, 118 rt2560_stop, 119 rt2560_stop, 120 rt2560_resume, 121 rt2560_intr 122 123 }, ral_rt2661_opns = { 124 rt2661_attach, 125 rt2661_detach, 126 rt2661_shutdown, 127 rt2661_suspend, 128 rt2661_resume, 129 rt2661_intr 130 }, ral_rt2860_opns = { 131 rt2860_attach, 132 rt2860_detach, 133 rt2860_shutdown, 134 rt2860_suspend, 135 rt2860_resume, 136 rt2860_intr 137 }; 138 139 struct ral_pci_softc { 140 union { 141 struct rt2560_softc sc_rt2560; 142 struct rt2661_softc sc_rt2661; 143 struct rt2860_softc sc_rt2860; 144 } u; 145 146 const struct ral_opns *sc_opns; 147 struct resource *irq; 148 struct resource *mem; 149 void *sc_ih; 150 }; 151 152 static int ral_pci_probe(device_t); 153 static int ral_pci_attach(device_t); 154 static int ral_pci_detach(device_t); 155 static int ral_pci_shutdown(device_t); 156 static int ral_pci_suspend(device_t); 157 static int ral_pci_resume(device_t); 158 159 static device_method_t ral_pci_methods[] = { 160 /* Device interface */ 161 DEVMETHOD(device_probe, ral_pci_probe), 162 DEVMETHOD(device_attach, ral_pci_attach), 163 DEVMETHOD(device_detach, ral_pci_detach), 164 DEVMETHOD(device_shutdown, ral_pci_shutdown), 165 DEVMETHOD(device_suspend, ral_pci_suspend), 166 DEVMETHOD(device_resume, ral_pci_resume), 167 168 DEVMETHOD_END 169 }; 170 171 static driver_t ral_pci_driver = { 172 "ral", 173 ral_pci_methods, 174 sizeof (struct ral_pci_softc) 175 }; 176 177 DRIVER_MODULE(ral, pci, ral_pci_driver, NULL, NULL); 178 MODULE_PNP_INFO("U16:vendor;U16:device;D:#", pci, ral, ral_pci_ids, 179 nitems(ral_pci_ids) - 1); 180 181 static int 182 ral_pci_probe(device_t dev) 183 { 184 const struct ral_pci_ident *ident; 185 186 for (ident = ral_pci_ids; ident->name != NULL; ident++) { 187 if (pci_get_vendor(dev) == ident->vendor && 188 pci_get_device(dev) == ident->device) { 189 device_set_desc(dev, ident->name); 190 return (BUS_PROBE_DEFAULT); 191 } 192 } 193 return ENXIO; 194 } 195 196 static int 197 ral_pci_attach(device_t dev) 198 { 199 struct ral_pci_softc *psc = device_get_softc(dev); 200 struct rt2560_softc *sc = &psc->u.sc_rt2560; 201 int count, error, rid; 202 203 pci_enable_busmaster(dev); 204 205 switch (pci_get_device(dev)) { 206 case 0x0201: 207 psc->sc_opns = &ral_rt2560_opns; 208 break; 209 case 0x0301: 210 case 0x0302: 211 case 0x0401: 212 psc->sc_opns = &ral_rt2661_opns; 213 break; 214 default: 215 psc->sc_opns = &ral_rt2860_opns; 216 break; 217 } 218 219 rid = PCIR_BAR(0); 220 psc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 221 RF_ACTIVE); 222 if (psc->mem == NULL) { 223 device_printf(dev, "could not allocate memory resource\n"); 224 return ENXIO; 225 } 226 227 sc->sc_st = rman_get_bustag(psc->mem); 228 sc->sc_sh = rman_get_bushandle(psc->mem); 229 sc->sc_invalid = 1; 230 231 rid = 0; 232 if (ral_msi_disable == 0) { 233 count = 1; 234 if (pci_alloc_msi(dev, &count) == 0) 235 rid = 1; 236 } 237 psc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 238 (rid != 0 ? 0 : RF_SHAREABLE)); 239 if (psc->irq == NULL) { 240 device_printf(dev, "could not allocate interrupt resource\n"); 241 pci_release_msi(dev); 242 bus_release_resource(dev, SYS_RES_MEMORY, 243 rman_get_rid(psc->mem), psc->mem); 244 return ENXIO; 245 } 246 247 error = (*psc->sc_opns->attach)(dev, pci_get_device(dev)); 248 if (error != 0) { 249 (void)ral_pci_detach(dev); 250 return error; 251 } 252 253 /* 254 * Hook our interrupt after all initialization is complete. 255 */ 256 error = bus_setup_intr(dev, psc->irq, INTR_TYPE_NET | INTR_MPSAFE, 257 NULL, psc->sc_opns->intr, psc, &psc->sc_ih); 258 if (error != 0) { 259 device_printf(dev, "could not set up interrupt\n"); 260 (void)ral_pci_detach(dev); 261 return error; 262 } 263 sc->sc_invalid = 0; 264 265 return 0; 266 } 267 268 static int 269 ral_pci_detach(device_t dev) 270 { 271 struct ral_pci_softc *psc = device_get_softc(dev); 272 struct rt2560_softc *sc = &psc->u.sc_rt2560; 273 274 /* check if device was removed */ 275 sc->sc_invalid = !bus_child_present(dev); 276 277 if (psc->sc_ih != NULL) 278 bus_teardown_intr(dev, psc->irq, psc->sc_ih); 279 (*psc->sc_opns->detach)(psc); 280 281 bus_generic_detach(dev); 282 bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(psc->irq), 283 psc->irq); 284 pci_release_msi(dev); 285 286 bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(psc->mem), 287 psc->mem); 288 289 return 0; 290 } 291 292 static int 293 ral_pci_shutdown(device_t dev) 294 { 295 struct ral_pci_softc *psc = device_get_softc(dev); 296 297 (*psc->sc_opns->shutdown)(psc); 298 299 return 0; 300 } 301 302 static int 303 ral_pci_suspend(device_t dev) 304 { 305 struct ral_pci_softc *psc = device_get_softc(dev); 306 307 (*psc->sc_opns->suspend)(psc); 308 309 return 0; 310 } 311 312 static int 313 ral_pci_resume(device_t dev) 314 { 315 struct ral_pci_softc *psc = device_get_softc(dev); 316 317 (*psc->sc_opns->resume)(psc); 318 319 return 0; 320 } 321