1 /*- 2 * Copyright (c) 2009-2010 Weongyo Jeong <weongyo@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13 * redistribution must be conditioned upon including a substantially 14 * similar Disclaimer requirement for further binary redistribution. 15 * 16 * NO WARRANTY 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 * THE POSSIBILITY OF SUCH DAMAGES. 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD: head/sys/dev/siba/siba_bwn.c 299409 2016-05-11 06:27:46Z adrian $"); 32 33 /* 34 * Sonics Silicon Backplane front-end for bwn(4). 35 */ 36 37 #if defined(__DragonFly__) 38 #include <opt_siba.h> 39 #endif 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/malloc.h> 44 #include <sys/module.h> 45 #include <sys/kernel.h> 46 #include <sys/lock.h> 47 #include <sys/mutex.h> 48 #include <sys/errno.h> 49 #if !defined(__DragonFly__) 50 #include <machine/bus.h> 51 #include <machine/resource.h> 52 #endif 53 #include <sys/bus.h> 54 #include <sys/rman.h> 55 #include <sys/socket.h> 56 57 #include <net/if.h> 58 #include <net/if_media.h> 59 #include <net/if_arp.h> 60 61 #if defined(__DragonFly__) 62 #include <bus/pci/pcivar.h> 63 #include <bus/pci/pcireg.h> 64 #else 65 #include <dev/pci/pcivar.h> 66 #include <dev/pci/pcireg.h> 67 #endif 68 69 #if defined(__DragonFly__) 70 #include "siba_ids.h" 71 #include "sibareg.h" 72 #include "sibavar.h" 73 #else 74 #include <dev/siba/siba_ids.h> 75 #include <dev/siba/sibareg.h> 76 #include <dev/siba/sibavar.h> 77 #endif 78 79 /* 80 * PCI glue. 81 */ 82 83 struct siba_bwn_softc { 84 /* Child driver using MSI. */ 85 device_t ssc_msi_child; 86 struct siba_softc ssc_siba; 87 }; 88 89 #define BS_BAR 0x10 90 #define PCI_VENDOR_BROADCOM 0x14e4 91 92 static const struct siba_dev { 93 uint16_t vid; 94 uint16_t did; 95 const char *desc; 96 } siba_devices[] = { 97 { PCI_VENDOR_BROADCOM, 0x4301, "Broadcom BCM4301 802.11b Wireless" }, 98 { PCI_VENDOR_BROADCOM, 0x4306, "Unknown" }, 99 { PCI_VENDOR_BROADCOM, 0x4307, "Broadcom BCM4307 802.11b Wireless" }, 100 { PCI_VENDOR_BROADCOM, 0x4311, "Broadcom BCM4311 802.11b/g Wireless" }, 101 { PCI_VENDOR_BROADCOM, 0x4312, 102 "Broadcom BCM4312 802.11a/b/g Wireless" }, 103 { PCI_VENDOR_BROADCOM, 0x4315, "Broadcom BCM4312 802.11b/g Wireless" }, 104 { PCI_VENDOR_BROADCOM, 0x4318, "Broadcom BCM4318 802.11b/g Wireless" }, 105 { PCI_VENDOR_BROADCOM, 0x4319, 106 "Broadcom BCM4318 802.11a/b/g Wireless" }, 107 { PCI_VENDOR_BROADCOM, 0x4320, "Broadcom BCM4306 802.11b/g Wireless" }, 108 { PCI_VENDOR_BROADCOM, 0x4321, "Broadcom BCM4306 802.11a Wireless" }, 109 { PCI_VENDOR_BROADCOM, 0x4324, 110 "Broadcom BCM4309 802.11a/b/g Wireless" }, 111 { PCI_VENDOR_BROADCOM, 0x4325, "Broadcom BCM4306 802.11b/g Wireless" }, 112 { PCI_VENDOR_BROADCOM, 0x4328, "Broadcom BCM4321 802.11a/b/g Wireless" }, 113 { PCI_VENDOR_BROADCOM, 0x4329, "Unknown" }, 114 { PCI_VENDOR_BROADCOM, 0x432b, "Unknown" } 115 }; 116 117 int siba_core_attach(struct siba_softc *); 118 int siba_core_detach(struct siba_softc *); 119 int siba_core_suspend(struct siba_softc *); 120 int siba_core_resume(struct siba_softc *); 121 122 static int 123 siba_bwn_probe(device_t dev) 124 { 125 int i; 126 uint16_t did, vid; 127 128 did = pci_get_device(dev); 129 vid = pci_get_vendor(dev); 130 131 for (i = 0; i < nitems(siba_devices); i++) { 132 if (siba_devices[i].did == did && siba_devices[i].vid == vid) { 133 device_set_desc(dev, siba_devices[i].desc); 134 return (BUS_PROBE_DEFAULT); 135 } 136 } 137 return (ENXIO); 138 } 139 140 static int 141 siba_bwn_attach(device_t dev) 142 { 143 struct siba_bwn_softc *ssc = device_get_softc(dev); 144 struct siba_softc *siba = &ssc->ssc_siba; 145 146 siba->siba_dev = dev; 147 siba->siba_type = SIBA_TYPE_PCI; 148 149 /* 150 * Enable bus mastering. 151 */ 152 pci_enable_busmaster(dev); 153 154 /* 155 * Setup memory-mapping of PCI registers. 156 */ 157 siba->siba_mem_rid = SIBA_PCIR_BAR; 158 siba->siba_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 159 &siba->siba_mem_rid, RF_ACTIVE); 160 if (siba->siba_mem_res == NULL) { 161 device_printf(dev, "cannot map register space\n"); 162 return (ENXIO); 163 } 164 siba->siba_mem_bt = rman_get_bustag(siba->siba_mem_res); 165 siba->siba_mem_bh = rman_get_bushandle(siba->siba_mem_res); 166 167 /* Get more PCI information */ 168 siba->siba_pci_did = pci_get_device(dev); 169 siba->siba_pci_vid = pci_get_vendor(dev); 170 siba->siba_pci_subvid = pci_get_subvendor(dev); 171 siba->siba_pci_subdid = pci_get_subdevice(dev); 172 siba->siba_pci_revid = pci_get_revid(dev); 173 174 return (siba_core_attach(siba)); 175 } 176 177 static int 178 siba_bwn_detach(device_t dev) 179 { 180 struct siba_bwn_softc *ssc = device_get_softc(dev); 181 struct siba_softc *siba = &ssc->ssc_siba; 182 183 /* check if device was removed */ 184 siba->siba_invalid = !bus_child_present(dev); 185 186 pci_disable_busmaster(dev); 187 bus_generic_detach(dev); 188 siba_core_detach(siba); 189 190 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR, siba->siba_mem_res); 191 192 return (0); 193 } 194 195 static int 196 siba_bwn_shutdown(device_t dev) 197 { 198 device_t *devlistp; 199 int devcnt, error = 0, i; 200 201 error = device_get_children(dev, &devlistp, &devcnt); 202 if (error != 0) 203 return (error); 204 205 for (i = 0 ; i < devcnt ; i++) 206 device_shutdown(devlistp[i]); 207 kfree(devlistp, M_TEMP); 208 return (0); 209 } 210 211 static int 212 siba_bwn_suspend(device_t dev) 213 { 214 struct siba_bwn_softc *ssc = device_get_softc(dev); 215 struct siba_softc *siba = &ssc->ssc_siba; 216 device_t *devlistp; 217 int devcnt, error = 0, i, j; 218 219 error = device_get_children(dev, &devlistp, &devcnt); 220 if (error != 0) 221 return (error); 222 223 for (i = 0 ; i < devcnt ; i++) { 224 error = DEVICE_SUSPEND(devlistp[i]); 225 if (error) { 226 for (j = 0; j < i; j++) 227 DEVICE_RESUME(devlistp[j]); 228 kfree(devlistp, M_TEMP); 229 return (error); 230 } 231 } 232 kfree(devlistp, M_TEMP); 233 return (siba_core_suspend(siba)); 234 } 235 236 static int 237 siba_bwn_resume(device_t dev) 238 { 239 struct siba_bwn_softc *ssc = device_get_softc(dev); 240 struct siba_softc *siba = &ssc->ssc_siba; 241 device_t *devlistp; 242 int devcnt, error = 0, i; 243 244 error = siba_core_resume(siba); 245 if (error != 0) 246 return (error); 247 248 error = device_get_children(dev, &devlistp, &devcnt); 249 if (error != 0) 250 return (error); 251 252 for (i = 0 ; i < devcnt ; i++) 253 DEVICE_RESUME(devlistp[i]); 254 kfree(devlistp, M_TEMP); 255 return (0); 256 } 257 258 /* proxying to the parent */ 259 #if defined(__DragonFly__) 260 static struct resource * 261 siba_bwn_alloc_resource(device_t dev, device_t child, int type, int *rid, 262 u_long start, u_long end, u_long count, u_int flags, int cpuid) 263 { 264 265 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 266 type, rid, start, end, count, flags, cpuid)); 267 } 268 #else 269 static struct resource * 270 siba_bwn_alloc_resource(device_t dev, device_t child, int type, int *rid, 271 rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) 272 { 273 274 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 275 type, rid, start, end, count, flags)); 276 } 277 #endif 278 279 /* proxying to the parent */ 280 static int 281 siba_bwn_release_resource(device_t dev, device_t child, int type, 282 int rid, struct resource *r) 283 { 284 285 return (BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, type, 286 rid, r)); 287 } 288 289 #if defined(__DragonFly__) 290 /* proxying to the parent */ 291 static int 292 siba_bwn_setup_intr(device_t dev, device_t child, struct resource *irq, 293 int flags, driver_intr_t *intr, void *arg, void **cookiep, 294 lwkt_serialize_t serializer) 295 { 296 297 return (BUS_SETUP_INTR(device_get_parent(dev), dev, irq, flags, 298 intr, arg, cookiep, serializer, NULL)); 299 } 300 #else 301 static int 302 siba_bwn_setup_intr(device_t dev, device_t child, struct resource *irq, 303 int flags, driver_filter_t *filter, driver_intr_t *intr, void *arg, 304 void **cookiep) 305 { 306 307 return (BUS_SETUP_INTR(device_get_parent(dev), dev, irq, flags, 308 filter, intr, arg, cookiep)); 309 } 310 #endif 311 312 /* proxying to the parent */ 313 static int 314 siba_bwn_teardown_intr(device_t dev, device_t child, struct resource *irq, 315 void *cookie) 316 { 317 318 return (BUS_TEARDOWN_INTR(device_get_parent(dev), dev, irq, cookie)); 319 } 320 321 #if !defined(__DragonFly__) 322 static int 323 siba_bwn_find_cap(device_t dev, device_t child, int capability, 324 int *capreg) 325 { 326 327 return (pci_find_cap(dev, capability, capreg)); 328 } 329 #endif 330 331 static int 332 siba_bwn_find_extcap(device_t dev, device_t child, int capability, 333 int *capreg) 334 { 335 336 return (pci_find_extcap(dev, capability, capreg)); 337 } 338 339 #if !defined(__DragonFly__) 340 static int 341 siba_bwn_find_htcap(device_t dev, device_t child, int capability, 342 int *capreg) 343 { 344 345 return (pci_find_htcap(dev, capability, capreg)); 346 } 347 #endif 348 349 #if defined(__DragonFly__) 350 static int 351 siba_bwn_alloc_msi(device_t dev, device_t child, int *rid, int count, 352 int cpuid) 353 #else 354 static int 355 siba_bwn_alloc_msi(device_t dev, device_t child, int *count) 356 #endif 357 { 358 struct siba_bwn_softc *ssc; 359 int error; 360 361 ssc = device_get_softc(dev); 362 if (ssc->ssc_msi_child != NULL) 363 return (EBUSY); 364 #if defined(__DragonFly__) 365 error = pci_alloc_msi(dev, rid, count, cpuid); 366 #else 367 error = pci_alloc_msi(dev, count); 368 #endif 369 if (error == 0) 370 ssc->ssc_msi_child = child; 371 return (error); 372 } 373 374 static int 375 siba_bwn_release_msi(device_t dev, device_t child) 376 { 377 struct siba_bwn_softc *ssc; 378 int error; 379 380 ssc = device_get_softc(dev); 381 if (ssc->ssc_msi_child != child) 382 return (ENXIO); 383 error = pci_release_msi(dev); 384 if (error == 0) 385 ssc->ssc_msi_child = NULL; 386 return (error); 387 } 388 389 static int 390 siba_bwn_msi_count(device_t dev, device_t child) 391 { 392 393 return (pci_msi_count(dev)); 394 } 395 396 static int 397 siba_bwn_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) 398 { 399 struct siba_dev_softc *sd; 400 struct siba_softc *siba; 401 402 sd = device_get_ivars(child); 403 siba = sd->sd_bus; 404 405 switch (which) { 406 case SIBA_IVAR_VENDOR: 407 *result = sd->sd_id.sd_vendor; 408 break; 409 case SIBA_IVAR_DEVICE: 410 *result = sd->sd_id.sd_device; 411 break; 412 case SIBA_IVAR_REVID: 413 *result = sd->sd_id.sd_rev; 414 break; 415 case SIBA_IVAR_PCI_VENDOR: 416 *result = siba->siba_pci_vid; 417 break; 418 case SIBA_IVAR_PCI_DEVICE: 419 *result = siba->siba_pci_did; 420 break; 421 case SIBA_IVAR_PCI_SUBVENDOR: 422 *result = siba->siba_pci_subvid; 423 break; 424 case SIBA_IVAR_PCI_SUBDEVICE: 425 *result = siba->siba_pci_subdid; 426 break; 427 case SIBA_IVAR_PCI_REVID: 428 *result = siba->siba_pci_revid; 429 break; 430 case SIBA_IVAR_CHIPID: 431 *result = siba->siba_chipid; 432 break; 433 case SIBA_IVAR_CHIPREV: 434 *result = siba->siba_chiprev; 435 break; 436 case SIBA_IVAR_CHIPPKG: 437 *result = siba->siba_chippkg; 438 break; 439 case SIBA_IVAR_TYPE: 440 *result = siba->siba_type; 441 break; 442 case SIBA_IVAR_CC_PMUFREQ: 443 *result = siba->siba_cc.scc_pmu.freq; 444 break; 445 case SIBA_IVAR_CC_CAPS: 446 *result = siba->siba_cc.scc_caps; 447 break; 448 case SIBA_IVAR_CC_POWERDELAY: 449 *result = siba->siba_cc.scc_powerup_delay; 450 break; 451 case SIBA_IVAR_PCICORE_REVID: 452 *result = siba->siba_pci.spc_dev->sd_id.sd_rev; 453 break; 454 default: 455 return (ENOENT); 456 } 457 458 return (0); 459 } 460 461 static device_method_t siba_bwn_methods[] = { 462 /* Device interface */ 463 DEVMETHOD(device_probe, siba_bwn_probe), 464 DEVMETHOD(device_attach, siba_bwn_attach), 465 DEVMETHOD(device_detach, siba_bwn_detach), 466 DEVMETHOD(device_shutdown, siba_bwn_shutdown), 467 DEVMETHOD(device_suspend, siba_bwn_suspend), 468 DEVMETHOD(device_resume, siba_bwn_resume), 469 470 /* Bus interface */ 471 DEVMETHOD(bus_alloc_resource, siba_bwn_alloc_resource), 472 DEVMETHOD(bus_release_resource, siba_bwn_release_resource), 473 DEVMETHOD(bus_read_ivar, siba_bwn_read_ivar), 474 DEVMETHOD(bus_setup_intr, siba_bwn_setup_intr), 475 DEVMETHOD(bus_teardown_intr, siba_bwn_teardown_intr), 476 477 /* PCI interface */ 478 #if !defined(__DragonFly__) 479 DEVMETHOD(pci_find_cap, siba_bwn_find_cap), 480 #endif 481 DEVMETHOD(pci_find_extcap, siba_bwn_find_extcap), 482 #if !defined(__DragonFly__) 483 DEVMETHOD(pci_find_htcap, siba_bwn_find_htcap), 484 #endif 485 DEVMETHOD(pci_alloc_msi, siba_bwn_alloc_msi), 486 DEVMETHOD(pci_release_msi, siba_bwn_release_msi), 487 DEVMETHOD(pci_msi_count, siba_bwn_msi_count), 488 489 DEVMETHOD_END 490 }; 491 static driver_t siba_bwn_driver = { 492 "siba_bwn", 493 siba_bwn_methods, 494 sizeof(struct siba_bwn_softc) 495 }; 496 static devclass_t siba_bwn_devclass; 497 DRIVER_MODULE(siba_bwn, pci, siba_bwn_driver, siba_bwn_devclass, NULL, NULL); 498 MODULE_VERSION(siba_bwn, 1); 499