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, 0x5390, "Ralink Technology RT5390" }, 97 { 0x1814, 0x539a, "Ralink Technology RT5390" }, 98 { 0x1814, 0x539f, "Ralink Technology RT5390" }, 99 { 0x1a3b, 0x1059, "AWT RT2890" }, 100 { 0, 0, NULL } 101 }; 102 103 static const struct ral_opns { 104 int (*attach)(device_t, int); 105 int (*detach)(void *); 106 void (*shutdown)(void *); 107 void (*suspend)(void *); 108 void (*resume)(void *); 109 void (*intr)(void *); 110 111 } ral_rt2560_opns = { 112 rt2560_attach, 113 rt2560_detach, 114 rt2560_stop, 115 rt2560_stop, 116 rt2560_resume, 117 rt2560_intr 118 119 }, ral_rt2661_opns = { 120 rt2661_attach, 121 rt2661_detach, 122 rt2661_shutdown, 123 rt2661_suspend, 124 rt2661_resume, 125 rt2661_intr 126 }, ral_rt2860_opns = { 127 rt2860_attach, 128 rt2860_detach, 129 rt2860_shutdown, 130 rt2860_suspend, 131 rt2860_resume, 132 rt2860_intr 133 }; 134 135 struct ral_pci_softc { 136 union { 137 struct rt2560_softc sc_rt2560; 138 struct rt2661_softc sc_rt2661; 139 struct rt2860_softc sc_rt2860; 140 } u; 141 142 const struct ral_opns *sc_opns; 143 struct resource *irq; 144 struct resource *mem; 145 void *sc_ih; 146 }; 147 148 static int ral_pci_probe(device_t); 149 static int ral_pci_attach(device_t); 150 static int ral_pci_detach(device_t); 151 static int ral_pci_shutdown(device_t); 152 static int ral_pci_suspend(device_t); 153 static int ral_pci_resume(device_t); 154 155 static device_method_t ral_pci_methods[] = { 156 /* Device interface */ 157 DEVMETHOD(device_probe, ral_pci_probe), 158 DEVMETHOD(device_attach, ral_pci_attach), 159 DEVMETHOD(device_detach, ral_pci_detach), 160 DEVMETHOD(device_shutdown, ral_pci_shutdown), 161 DEVMETHOD(device_suspend, ral_pci_suspend), 162 DEVMETHOD(device_resume, ral_pci_resume), 163 164 DEVMETHOD_END 165 }; 166 167 static driver_t ral_pci_driver = { 168 "ral", 169 ral_pci_methods, 170 sizeof (struct ral_pci_softc) 171 }; 172 173 static devclass_t ral_devclass; 174 175 DRIVER_MODULE(ral, pci, ral_pci_driver, ral_devclass, NULL, NULL); 176 177 static int 178 ral_pci_probe(device_t dev) 179 { 180 const struct ral_pci_ident *ident; 181 182 for (ident = ral_pci_ids; ident->name != NULL; ident++) { 183 if (pci_get_vendor(dev) == ident->vendor && 184 pci_get_device(dev) == ident->device) { 185 device_set_desc(dev, ident->name); 186 return (BUS_PROBE_DEFAULT); 187 } 188 } 189 return ENXIO; 190 } 191 192 static int 193 ral_pci_attach(device_t dev) 194 { 195 struct ral_pci_softc *psc = device_get_softc(dev); 196 struct rt2560_softc *sc = &psc->u.sc_rt2560; 197 int count, error, rid; 198 199 pci_enable_busmaster(dev); 200 201 switch (pci_get_device(dev)) { 202 case 0x0201: 203 psc->sc_opns = &ral_rt2560_opns; 204 break; 205 case 0x0301: 206 case 0x0302: 207 case 0x0401: 208 psc->sc_opns = &ral_rt2661_opns; 209 break; 210 default: 211 psc->sc_opns = &ral_rt2860_opns; 212 break; 213 } 214 215 rid = PCIR_BAR(0); 216 psc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 217 RF_ACTIVE); 218 if (psc->mem == NULL) { 219 device_printf(dev, "could not allocate memory resource\n"); 220 return ENXIO; 221 } 222 223 sc->sc_st = rman_get_bustag(psc->mem); 224 sc->sc_sh = rman_get_bushandle(psc->mem); 225 sc->sc_invalid = 1; 226 227 rid = 0; 228 if (ral_msi_disable == 0) { 229 count = 1; 230 if (pci_alloc_msi(dev, &count) == 0) 231 rid = 1; 232 } 233 psc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 234 (rid != 0 ? 0 : RF_SHAREABLE)); 235 if (psc->irq == NULL) { 236 device_printf(dev, "could not allocate interrupt resource\n"); 237 pci_release_msi(dev); 238 bus_release_resource(dev, SYS_RES_MEMORY, 239 rman_get_rid(psc->mem), psc->mem); 240 return ENXIO; 241 } 242 243 error = (*psc->sc_opns->attach)(dev, pci_get_device(dev)); 244 if (error != 0) { 245 (void)ral_pci_detach(dev); 246 return error; 247 } 248 249 /* 250 * Hook our interrupt after all initialization is complete. 251 */ 252 error = bus_setup_intr(dev, psc->irq, INTR_TYPE_NET | INTR_MPSAFE, 253 NULL, psc->sc_opns->intr, psc, &psc->sc_ih); 254 if (error != 0) { 255 device_printf(dev, "could not set up interrupt\n"); 256 (void)ral_pci_detach(dev); 257 return error; 258 } 259 sc->sc_invalid = 0; 260 261 return 0; 262 } 263 264 static int 265 ral_pci_detach(device_t dev) 266 { 267 struct ral_pci_softc *psc = device_get_softc(dev); 268 struct rt2560_softc *sc = &psc->u.sc_rt2560; 269 270 /* check if device was removed */ 271 sc->sc_invalid = !bus_child_present(dev); 272 273 if (psc->sc_ih != NULL) 274 bus_teardown_intr(dev, psc->irq, psc->sc_ih); 275 (*psc->sc_opns->detach)(psc); 276 277 bus_generic_detach(dev); 278 bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(psc->irq), 279 psc->irq); 280 pci_release_msi(dev); 281 282 bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(psc->mem), 283 psc->mem); 284 285 return 0; 286 } 287 288 static int 289 ral_pci_shutdown(device_t dev) 290 { 291 struct ral_pci_softc *psc = device_get_softc(dev); 292 293 (*psc->sc_opns->shutdown)(psc); 294 295 return 0; 296 } 297 298 static int 299 ral_pci_suspend(device_t dev) 300 { 301 struct ral_pci_softc *psc = device_get_softc(dev); 302 303 (*psc->sc_opns->suspend)(psc); 304 305 return 0; 306 } 307 308 static int 309 ral_pci_resume(device_t dev) 310 { 311 struct ral_pci_softc *psc = device_get_softc(dev); 312 313 (*psc->sc_opns->resume)(psc); 314 315 return 0; 316 } 317