uhci_pci.c revision 200087
1/*- 2 * Copyright (c) 1998 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Lennart Augustsson (augustss@carlstedt.se) at 7 * Carlstedt Research & Technology. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38#include <sys/cdefs.h> 39__FBSDID("$FreeBSD: head/sys/dev/usb/controller/uhci_pci.c 200087 2009-12-03 23:24:12Z thompsa $"); 40 41/* Universal Host Controller Interface 42 * 43 * UHCI spec: http://www.intel.com/ 44 */ 45 46/* The low level controller code for UHCI has been split into 47 * PCI probes and UHCI specific code. This was done to facilitate the 48 * sharing of code between *BSD's 49 */ 50 51#include <sys/stdint.h> 52#include <sys/stddef.h> 53#include <sys/param.h> 54#include <sys/queue.h> 55#include <sys/types.h> 56#include <sys/systm.h> 57#include <sys/kernel.h> 58#include <sys/bus.h> 59#include <sys/linker_set.h> 60#include <sys/module.h> 61#include <sys/lock.h> 62#include <sys/mutex.h> 63#include <sys/condvar.h> 64#include <sys/sysctl.h> 65#include <sys/sx.h> 66#include <sys/unistd.h> 67#include <sys/callout.h> 68#include <sys/malloc.h> 69#include <sys/priv.h> 70 71#include <dev/usb/usb.h> 72#include <dev/usb/usbdi.h> 73 74#include <dev/usb/usb_core.h> 75#include <dev/usb/usb_busdma.h> 76#include <dev/usb/usb_process.h> 77#include <dev/usb/usb_util.h> 78#include <dev/usb/usb_debug.h> 79 80#include <dev/usb/usb_controller.h> 81#include <dev/usb/usb_bus.h> 82#include <dev/usb/usb_pci.h> 83#include <dev/usb/controller/uhci.h> 84#include <dev/usb/controller/uhcireg.h> 85 86#define PCI_UHCI_VENDORID_INTEL 0x8086 87#define PCI_UHCI_VENDORID_VIA 0x1106 88 89/* PIIX4E has no separate stepping */ 90 91static device_probe_t uhci_pci_probe; 92static device_attach_t uhci_pci_attach; 93static device_detach_t uhci_pci_detach; 94static device_suspend_t uhci_pci_suspend; 95static device_resume_t uhci_pci_resume; 96 97static int 98uhci_pci_suspend(device_t self) 99{ 100 uhci_softc_t *sc = device_get_softc(self); 101 int err; 102 103 err = bus_generic_suspend(self); 104 if (err) { 105 return (err); 106 } 107 uhci_suspend(sc); 108 return (0); 109} 110 111static int 112uhci_pci_resume(device_t self) 113{ 114 uhci_softc_t *sc = device_get_softc(self); 115 116 pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2); 117 118 uhci_resume(sc); 119 120 bus_generic_resume(self); 121 return (0); 122} 123 124static const char * 125uhci_pci_match(device_t self) 126{ 127 uint32_t device_id = pci_get_devid(self); 128 129 switch (device_id) { 130 case 0x26888086: 131 return ("Intel 631XESB/632XESB/3100 USB controller USB-1"); 132 133 case 0x26898086: 134 return ("Intel 631XESB/632XESB/3100 USB controller USB-2"); 135 136 case 0x268a8086: 137 return ("Intel 631XESB/632XESB/3100 USB controller USB-3"); 138 139 case 0x268b8086: 140 return ("Intel 631XESB/632XESB/3100 USB controller USB-4"); 141 142 case 0x70208086: 143 return ("Intel 82371SB (PIIX3) USB controller"); 144 145 case 0x71128086: 146 return ("Intel 82371AB/EB (PIIX4) USB controller"); 147 148 case 0x24128086: 149 return ("Intel 82801AA (ICH) USB controller"); 150 151 case 0x24228086: 152 return ("Intel 82801AB (ICH0) USB controller"); 153 154 case 0x24428086: 155 return ("Intel 82801BA/BAM (ICH2) USB controller USB-A"); 156 157 case 0x24448086: 158 return ("Intel 82801BA/BAM (ICH2) USB controller USB-B"); 159 160 case 0x24828086: 161 return ("Intel 82801CA/CAM (ICH3) USB controller USB-A"); 162 163 case 0x24848086: 164 return ("Intel 82801CA/CAM (ICH3) USB controller USB-B"); 165 166 case 0x24878086: 167 return ("Intel 82801CA/CAM (ICH3) USB controller USB-C"); 168 169 case 0x24c28086: 170 return ("Intel 82801DB (ICH4) USB controller USB-A"); 171 172 case 0x24c48086: 173 return ("Intel 82801DB (ICH4) USB controller USB-B"); 174 175 case 0x24c78086: 176 return ("Intel 82801DB (ICH4) USB controller USB-C"); 177 178 case 0x24d28086: 179 return ("Intel 82801EB (ICH5) USB controller USB-A"); 180 181 case 0x24d48086: 182 return ("Intel 82801EB (ICH5) USB controller USB-B"); 183 184 case 0x24d78086: 185 return ("Intel 82801EB (ICH5) USB controller USB-C"); 186 187 case 0x24de8086: 188 return ("Intel 82801EB (ICH5) USB controller USB-D"); 189 190 case 0x26588086: 191 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A"); 192 193 case 0x26598086: 194 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B"); 195 196 case 0x265a8086: 197 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C"); 198 199 case 0x265b8086: 200 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D"); 201 202 case 0x27c88086: 203 return ("Intel 82801G (ICH7) USB controller USB-A"); 204 case 0x27c98086: 205 return ("Intel 82801G (ICH7) USB controller USB-B"); 206 case 0x27ca8086: 207 return ("Intel 82801G (ICH7) USB controller USB-C"); 208 case 0x27cb8086: 209 return ("Intel 82801G (ICH7) USB controller USB-D"); 210 211 case 0x28308086: 212 return ("Intel 82801H (ICH8) USB controller USB-A"); 213 case 0x28318086: 214 return ("Intel 82801H (ICH8) USB controller USB-B"); 215 case 0x28328086: 216 return ("Intel 82801H (ICH8) USB controller USB-C"); 217 case 0x28348086: 218 return ("Intel 82801H (ICH8) USB controller USB-D"); 219 case 0x28358086: 220 return ("Intel 82801H (ICH8) USB controller USB-E"); 221 case 0x29348086: 222 return ("Intel 82801I (ICH9) USB controller"); 223 case 0x29358086: 224 return ("Intel 82801I (ICH9) USB controller"); 225 case 0x29368086: 226 return ("Intel 82801I (ICH9) USB controller"); 227 case 0x29378086: 228 return ("Intel 82801I (ICH9) USB controller"); 229 case 0x29388086: 230 return ("Intel 82801I (ICH9) USB controller"); 231 case 0x29398086: 232 return ("Intel 82801I (ICH9) USB controller"); 233 case 0x3a348086: 234 return ("Intel 82801IJ (ICH10) USB controller USB-A"); 235 case 0x3a358086: 236 return ("Intel 82801IJ (ICH10) USB controller USB-B"); 237 case 0x3a368086: 238 return ("Intel 82801IJ (ICH10) USB controller USB-C"); 239 case 0x3a378086: 240 return ("Intel 82801IJ (ICH10) USB controller USB-D"); 241 case 0x3a388086: 242 return ("Intel 82801IJ (ICH10) USB controller USB-E"); 243 case 0x3a398086: 244 return ("Intel 82801IJ (ICH10) USB controller USB-F"); 245 246 case 0x719a8086: 247 return ("Intel 82443MX USB controller"); 248 249 case 0x76028086: 250 return ("Intel 82372FB/82468GX USB controller"); 251 252 case 0x30381106: 253 return ("VIA 83C572 USB controller"); 254 255 default: 256 break; 257 } 258 259 if ((pci_get_class(self) == PCIC_SERIALBUS) && 260 (pci_get_subclass(self) == PCIS_SERIALBUS_USB) && 261 (pci_get_progif(self) == PCI_INTERFACE_UHCI)) { 262 return ("UHCI (generic) USB controller"); 263 } 264 return (NULL); 265} 266 267static int 268uhci_pci_probe(device_t self) 269{ 270 const char *desc = uhci_pci_match(self); 271 272 if (desc) { 273 device_set_desc(self, desc); 274 return (0); 275 } else { 276 return (ENXIO); 277 } 278} 279 280static int 281uhci_pci_attach(device_t self) 282{ 283 uhci_softc_t *sc = device_get_softc(self); 284 int rid; 285 int err; 286 287 /* initialise some bus fields */ 288 sc->sc_bus.parent = self; 289 sc->sc_bus.devices = sc->sc_devices; 290 sc->sc_bus.devices_max = UHCI_MAX_DEVICES; 291 292 /* get all DMA memory */ 293 if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self), 294 &uhci_iterate_hw_softc)) { 295 return ENOMEM; 296 } 297 sc->sc_dev = self; 298 299 pci_enable_busmaster(self); 300 301 rid = PCI_UHCI_BASE_REG; 302 sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_IOPORT, &rid, 303 RF_ACTIVE); 304 if (!sc->sc_io_res) { 305 device_printf(self, "Could not map ports\n"); 306 goto error; 307 } 308 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); 309 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); 310 sc->sc_io_size = rman_get_size(sc->sc_io_res); 311 312 /* disable interrupts */ 313 bus_space_write_2(sc->sc_io_tag, sc->sc_io_hdl, UHCI_INTR, 0); 314 315 rid = 0; 316 sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid, 317 RF_SHAREABLE | RF_ACTIVE); 318 if (sc->sc_irq_res == NULL) { 319 device_printf(self, "Could not allocate irq\n"); 320 goto error; 321 } 322 sc->sc_bus.bdev = device_add_child(self, "usbus", -1); 323 if (!sc->sc_bus.bdev) { 324 device_printf(self, "Could not add USB device\n"); 325 goto error; 326 } 327 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); 328 329 /* 330 * uhci_pci_match must never return NULL if uhci_pci_probe 331 * succeeded 332 */ 333 device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self)); 334 switch (pci_get_vendor(self)) { 335 case PCI_UHCI_VENDORID_INTEL: 336 sprintf(sc->sc_vendor, "Intel"); 337 break; 338 case PCI_UHCI_VENDORID_VIA: 339 sprintf(sc->sc_vendor, "VIA"); 340 break; 341 default: 342 if (bootverbose) { 343 device_printf(self, "(New UHCI DeviceId=0x%08x)\n", 344 pci_get_devid(self)); 345 } 346 sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self)); 347 } 348 349 switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USB_REV_MASK) { 350 case PCI_USB_REV_PRE_1_0: 351 sc->sc_bus.usbrev = USB_REV_PRE_1_0; 352 break; 353 case PCI_USB_REV_1_0: 354 sc->sc_bus.usbrev = USB_REV_1_0; 355 break; 356 default: 357 /* Quirk for Parallels Desktop 4.0 */ 358 device_printf(self, "USB revision is unknown. Assuming v1.1.\n"); 359 sc->sc_bus.usbrev = USB_REV_1_1; 360 break; 361 } 362 363#if (__FreeBSD_version >= 700031) 364 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, 365 NULL, (driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl); 366#else 367 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, 368 (driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl); 369#endif 370 371 if (err) { 372 device_printf(self, "Could not setup irq, %d\n", err); 373 sc->sc_intr_hdl = NULL; 374 goto error; 375 } 376 /* 377 * Set the PIRQD enable bit and switch off all the others. We don't 378 * want legacy support to interfere with us XXX Does this also mean 379 * that the BIOS won't touch the keyboard anymore if it is connected 380 * to the ports of the root hub? 381 */ 382#ifdef USB_DEBUG 383 if (pci_read_config(self, PCI_LEGSUP, 2) != PCI_LEGSUP_USBPIRQDEN) { 384 device_printf(self, "LegSup = 0x%04x\n", 385 pci_read_config(self, PCI_LEGSUP, 2)); 386 } 387#endif 388 pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2); 389 390 err = uhci_init(sc); 391 if (!err) { 392 err = device_probe_and_attach(sc->sc_bus.bdev); 393 } 394 if (err) { 395 device_printf(self, "USB init failed\n"); 396 goto error; 397 } 398 return (0); 399 400error: 401 uhci_pci_detach(self); 402 return (ENXIO); 403} 404 405int 406uhci_pci_detach(device_t self) 407{ 408 uhci_softc_t *sc = device_get_softc(self); 409 device_t bdev; 410 411 if (sc->sc_bus.bdev) { 412 bdev = sc->sc_bus.bdev; 413 device_detach(bdev); 414 device_delete_child(self, bdev); 415 } 416 /* during module unload there are lots of children leftover */ 417 device_delete_all_children(self); 418 419 /* 420 * disable interrupts that might have been switched on in 421 * uhci_init. 422 */ 423 if (sc->sc_io_res) { 424 USB_BUS_LOCK(&sc->sc_bus); 425 426 /* stop the controller */ 427 uhci_reset(sc); 428 429 USB_BUS_UNLOCK(&sc->sc_bus); 430 } 431 pci_disable_busmaster(self); 432 433 if (sc->sc_irq_res && sc->sc_intr_hdl) { 434 int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl); 435 436 if (err) { 437 /* XXX or should we panic? */ 438 device_printf(self, "Could not tear down irq, %d\n", 439 err); 440 } 441 sc->sc_intr_hdl = NULL; 442 } 443 if (sc->sc_irq_res) { 444 bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res); 445 sc->sc_irq_res = NULL; 446 } 447 if (sc->sc_io_res) { 448 bus_release_resource(self, SYS_RES_IOPORT, PCI_UHCI_BASE_REG, 449 sc->sc_io_res); 450 sc->sc_io_res = NULL; 451 } 452 usb_bus_mem_free_all(&sc->sc_bus, &uhci_iterate_hw_softc); 453 454 return (0); 455} 456 457static driver_t uhci_driver = 458{ 459 .name = "uhci", 460 .methods = (device_method_t[]){ 461 /* device interface */ 462 DEVMETHOD(device_probe, uhci_pci_probe), 463 DEVMETHOD(device_attach, uhci_pci_attach), 464 DEVMETHOD(device_detach, uhci_pci_detach), 465 466 DEVMETHOD(device_suspend, uhci_pci_suspend), 467 DEVMETHOD(device_resume, uhci_pci_resume), 468 DEVMETHOD(device_shutdown, bus_generic_shutdown), 469 470 /* Bus interface */ 471 DEVMETHOD(bus_print_child, bus_generic_print_child), 472 {0, 0} 473 }, 474 .size = sizeof(struct uhci_softc), 475}; 476 477static devclass_t uhci_devclass; 478 479DRIVER_MODULE(uhci, pci, uhci_driver, uhci_devclass, 0, 0); 480MODULE_DEPEND(uhci, usb, 1, 1, 1); 481