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/module.h> 32 #include <sys/mutex.h> 33 #include <sys/rman.h> 34 #include <sys/socket.h> 35 36 #include <machine/bus.h> 37 #include <machine/resource.h> 38 39 #include <net/ethernet.h> 40 #include <net/if.h> 41 #include <net/if_media.h> 42 #include <net/route.h> 43 44 #include <net80211/ieee80211_var.h> 45 #include <net80211/ieee80211_radiotap.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, 0x539f, "Ralink Technology RT5390" }, 102 { 0x1a3b, 0x1059, "AWT RT2890" }, 103 { 0, 0, NULL } 104 }; 105 106 static const struct ral_opns { 107 int (*attach)(device_t, int); 108 int (*detach)(void *); 109 void (*shutdown)(void *); 110 void (*suspend)(void *); 111 void (*resume)(void *); 112 void (*intr)(void *); 113 114 } ral_rt2560_opns = { 115 rt2560_attach, 116 rt2560_detach, 117 rt2560_stop, 118 rt2560_stop, 119 rt2560_resume, 120 rt2560_intr 121 122 }, ral_rt2661_opns = { 123 rt2661_attach, 124 rt2661_detach, 125 rt2661_shutdown, 126 rt2661_suspend, 127 rt2661_resume, 128 rt2661_intr 129 }, ral_rt2860_opns = { 130 rt2860_attach, 131 rt2860_detach, 132 rt2860_shutdown, 133 rt2860_suspend, 134 rt2860_resume, 135 rt2860_intr 136 }; 137 138 struct ral_pci_softc { 139 union { 140 struct rt2560_softc sc_rt2560; 141 struct rt2661_softc sc_rt2661; 142 struct rt2860_softc sc_rt2860; 143 } u; 144 145 const struct ral_opns *sc_opns; 146 struct resource *irq; 147 struct resource *mem; 148 void *sc_ih; 149 }; 150 151 static int ral_pci_probe(device_t); 152 static int ral_pci_attach(device_t); 153 static int ral_pci_detach(device_t); 154 static int ral_pci_shutdown(device_t); 155 static int ral_pci_suspend(device_t); 156 static int ral_pci_resume(device_t); 157 158 static device_method_t ral_pci_methods[] = { 159 /* Device interface */ 160 DEVMETHOD(device_probe, ral_pci_probe), 161 DEVMETHOD(device_attach, ral_pci_attach), 162 DEVMETHOD(device_detach, ral_pci_detach), 163 DEVMETHOD(device_shutdown, ral_pci_shutdown), 164 DEVMETHOD(device_suspend, ral_pci_suspend), 165 DEVMETHOD(device_resume, ral_pci_resume), 166 167 DEVMETHOD_END 168 }; 169 170 static driver_t ral_pci_driver = { 171 "ral", 172 ral_pci_methods, 173 sizeof (struct ral_pci_softc) 174 }; 175 176 static devclass_t ral_devclass; 177 178 DRIVER_MODULE(ral, pci, ral_pci_driver, ral_devclass, NULL, NULL); 179 180 static int 181 ral_pci_probe(device_t dev) 182 { 183 const struct ral_pci_ident *ident; 184 185 for (ident = ral_pci_ids; ident->name != NULL; ident++) { 186 if (pci_get_vendor(dev) == ident->vendor && 187 pci_get_device(dev) == ident->device) { 188 device_set_desc(dev, ident->name); 189 return (BUS_PROBE_DEFAULT); 190 } 191 } 192 return ENXIO; 193 } 194 195 static int 196 ral_pci_attach(device_t dev) 197 { 198 struct ral_pci_softc *psc = device_get_softc(dev); 199 struct rt2560_softc *sc = &psc->u.sc_rt2560; 200 int count, error, rid; 201 202 pci_enable_busmaster(dev); 203 204 switch (pci_get_device(dev)) { 205 case 0x0201: 206 psc->sc_opns = &ral_rt2560_opns; 207 break; 208 case 0x0301: 209 case 0x0302: 210 case 0x0401: 211 psc->sc_opns = &ral_rt2661_opns; 212 break; 213 default: 214 psc->sc_opns = &ral_rt2860_opns; 215 break; 216 } 217 218 rid = PCIR_BAR(0); 219 psc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 220 RF_ACTIVE); 221 if (psc->mem == NULL) { 222 device_printf(dev, "could not allocate memory resource\n"); 223 return ENXIO; 224 } 225 226 sc->sc_st = rman_get_bustag(psc->mem); 227 sc->sc_sh = rman_get_bushandle(psc->mem); 228 sc->sc_invalid = 1; 229 230 rid = 0; 231 if (ral_msi_disable == 0) { 232 count = 1; 233 if (pci_alloc_msi(dev, &count) == 0) 234 rid = 1; 235 } 236 psc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 237 (rid != 0 ? 0 : RF_SHAREABLE)); 238 if (psc->irq == NULL) { 239 device_printf(dev, "could not allocate interrupt resource\n"); 240 pci_release_msi(dev); 241 bus_release_resource(dev, SYS_RES_MEMORY, 242 rman_get_rid(psc->mem), psc->mem); 243 return ENXIO; 244 } 245 246 error = (*psc->sc_opns->attach)(dev, pci_get_device(dev)); 247 if (error != 0) { 248 (void)ral_pci_detach(dev); 249 return error; 250 } 251 252 /* 253 * Hook our interrupt after all initialization is complete. 254 */ 255 error = bus_setup_intr(dev, psc->irq, INTR_TYPE_NET | INTR_MPSAFE, 256 NULL, psc->sc_opns->intr, psc, &psc->sc_ih); 257 if (error != 0) { 258 device_printf(dev, "could not set up interrupt\n"); 259 (void)ral_pci_detach(dev); 260 return error; 261 } 262 sc->sc_invalid = 0; 263 264 return 0; 265 } 266 267 static int 268 ral_pci_detach(device_t dev) 269 { 270 struct ral_pci_softc *psc = device_get_softc(dev); 271 struct rt2560_softc *sc = &psc->u.sc_rt2560; 272 273 /* check if device was removed */ 274 sc->sc_invalid = !bus_child_present(dev); 275 276 if (psc->sc_ih != NULL) 277 bus_teardown_intr(dev, psc->irq, psc->sc_ih); 278 (*psc->sc_opns->detach)(psc); 279 280 bus_generic_detach(dev); 281 bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(psc->irq), 282 psc->irq); 283 pci_release_msi(dev); 284 285 bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(psc->mem), 286 psc->mem); 287 288 return 0; 289 } 290 291 static int 292 ral_pci_shutdown(device_t dev) 293 { 294 struct ral_pci_softc *psc = device_get_softc(dev); 295 296 (*psc->sc_opns->shutdown)(psc); 297 298 return 0; 299 } 300 301 static int 302 ral_pci_suspend(device_t dev) 303 { 304 struct ral_pci_softc *psc = device_get_softc(dev); 305 306 (*psc->sc_opns->suspend)(psc); 307 308 return 0; 309 } 310 311 static int 312 ral_pci_resume(device_t dev) 313 { 314 struct ral_pci_softc *psc = device_get_softc(dev); 315 316 (*psc->sc_opns->resume)(psc); 317 318 return 0; 319 } 320