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 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include <sys/cdefs.h> 32__FBSDID("$FreeBSD: stable/11/sys/dev/usb/controller/uhci_pci.c 308401 2016-11-07 08:36:06Z hselasky $"); 33 34/* Universal Host Controller Interface 35 * 36 * UHCI spec: http://www.intel.com/ 37 */ 38 39/* The low level controller code for UHCI has been split into 40 * PCI probes and UHCI specific code. This was done to facilitate the 41 * sharing of code between *BSD's 42 */ 43 44#include <sys/stdint.h> 45#include <sys/stddef.h> 46#include <sys/param.h> 47#include <sys/queue.h> 48#include <sys/types.h> 49#include <sys/systm.h> 50#include <sys/kernel.h> 51#include <sys/bus.h> 52#include <sys/module.h> 53#include <sys/lock.h> 54#include <sys/mutex.h> 55#include <sys/condvar.h> 56#include <sys/sysctl.h> 57#include <sys/sx.h> 58#include <sys/unistd.h> 59#include <sys/callout.h> 60#include <sys/malloc.h> 61#include <sys/priv.h> 62 63#include <dev/usb/usb.h> 64#include <dev/usb/usbdi.h> 65 66#include <dev/usb/usb_core.h> 67#include <dev/usb/usb_busdma.h> 68#include <dev/usb/usb_process.h> 69#include <dev/usb/usb_util.h> 70#include <dev/usb/usb_debug.h> 71 72#include <dev/usb/usb_controller.h> 73#include <dev/usb/usb_bus.h> 74#include <dev/usb/usb_pci.h> 75#include <dev/usb/controller/uhci.h> 76#include <dev/usb/controller/uhcireg.h> 77#include "usb_if.h" 78 79#define PCI_UHCI_VENDORID_INTEL 0x8086 80#define PCI_UHCI_VENDORID_HP 0x103c 81#define PCI_UHCI_VENDORID_VIA 0x1106 82 83/* PIIX4E has no separate stepping */ 84 85static device_probe_t uhci_pci_probe; 86static device_attach_t uhci_pci_attach; 87static device_detach_t uhci_pci_detach; 88static usb_take_controller_t uhci_pci_take_controller; 89 90static int 91uhci_pci_take_controller(device_t self) 92{ 93 pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2); 94 95 return (0); 96} 97 98static const char * 99uhci_pci_match(device_t self) 100{ 101 uint32_t device_id = pci_get_devid(self); 102 103 switch (device_id) { 104 case 0x26888086: 105 return ("Intel 631XESB/632XESB/3100 USB controller USB-1"); 106 107 case 0x26898086: 108 return ("Intel 631XESB/632XESB/3100 USB controller USB-2"); 109 110 case 0x268a8086: 111 return ("Intel 631XESB/632XESB/3100 USB controller USB-3"); 112 113 case 0x268b8086: 114 return ("Intel 631XESB/632XESB/3100 USB controller USB-4"); 115 116 case 0x70208086: 117 return ("Intel 82371SB (PIIX3) USB controller"); 118 119 case 0x71128086: 120 return ("Intel 82371AB/EB (PIIX4) USB controller"); 121 122 case 0x24128086: 123 return ("Intel 82801AA (ICH) USB controller"); 124 125 case 0x24228086: 126 return ("Intel 82801AB (ICH0) USB controller"); 127 128 case 0x24428086: 129 return ("Intel 82801BA/BAM (ICH2) USB controller USB-A"); 130 131 case 0x24448086: 132 return ("Intel 82801BA/BAM (ICH2) USB controller USB-B"); 133 134 case 0x24828086: 135 return ("Intel 82801CA/CAM (ICH3) USB controller USB-A"); 136 137 case 0x24848086: 138 return ("Intel 82801CA/CAM (ICH3) USB controller USB-B"); 139 140 case 0x24878086: 141 return ("Intel 82801CA/CAM (ICH3) USB controller USB-C"); 142 143 case 0x24c28086: 144 return ("Intel 82801DB (ICH4) USB controller USB-A"); 145 146 case 0x24c48086: 147 return ("Intel 82801DB (ICH4) USB controller USB-B"); 148 149 case 0x24c78086: 150 return ("Intel 82801DB (ICH4) USB controller USB-C"); 151 152 case 0x24d28086: 153 return ("Intel 82801EB (ICH5) USB controller USB-A"); 154 155 case 0x24d48086: 156 return ("Intel 82801EB (ICH5) USB controller USB-B"); 157 158 case 0x24d78086: 159 return ("Intel 82801EB (ICH5) USB controller USB-C"); 160 161 case 0x24de8086: 162 return ("Intel 82801EB (ICH5) USB controller USB-D"); 163 164 case 0x25a98086: 165 return ("Intel 6300ESB USB controller USB-A"); 166 167 case 0x25aa8086: 168 return ("Intel 6300ESB USB controller USB-B"); 169 170 case 0x26588086: 171 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A"); 172 173 case 0x26598086: 174 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B"); 175 176 case 0x265a8086: 177 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C"); 178 179 case 0x265b8086: 180 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D"); 181 182 case 0x27c88086: 183 return ("Intel 82801G (ICH7) USB controller USB-A"); 184 case 0x27c98086: 185 return ("Intel 82801G (ICH7) USB controller USB-B"); 186 case 0x27ca8086: 187 return ("Intel 82801G (ICH7) USB controller USB-C"); 188 case 0x27cb8086: 189 return ("Intel 82801G (ICH7) USB controller USB-D"); 190 191 case 0x28308086: 192 return ("Intel 82801H (ICH8) USB controller USB-A"); 193 case 0x28318086: 194 return ("Intel 82801H (ICH8) USB controller USB-B"); 195 case 0x28328086: 196 return ("Intel 82801H (ICH8) USB controller USB-C"); 197 case 0x28348086: 198 return ("Intel 82801H (ICH8) USB controller USB-D"); 199 case 0x28358086: 200 return ("Intel 82801H (ICH8) USB controller USB-E"); 201 case 0x29348086: 202 return ("Intel 82801I (ICH9) USB controller"); 203 case 0x29358086: 204 return ("Intel 82801I (ICH9) USB controller"); 205 case 0x29368086: 206 return ("Intel 82801I (ICH9) USB controller"); 207 case 0x29378086: 208 return ("Intel 82801I (ICH9) USB controller"); 209 case 0x29388086: 210 return ("Intel 82801I (ICH9) USB controller"); 211 case 0x29398086: 212 return ("Intel 82801I (ICH9) USB controller"); 213 case 0x3a348086: 214 return ("Intel 82801JI (ICH10) USB controller USB-A"); 215 case 0x3a358086: 216 return ("Intel 82801JI (ICH10) USB controller USB-B"); 217 case 0x3a368086: 218 return ("Intel 82801JI (ICH10) USB controller USB-C"); 219 case 0x3a378086: 220 return ("Intel 82801JI (ICH10) USB controller USB-D"); 221 case 0x3a388086: 222 return ("Intel 82801JI (ICH10) USB controller USB-E"); 223 case 0x3a398086: 224 return ("Intel 82801JI (ICH10) USB controller USB-F"); 225 226 case 0x719a8086: 227 return ("Intel 82443MX USB controller"); 228 229 case 0x76028086: 230 return ("Intel 82372FB/82468GX USB controller"); 231 232 case 0x3300103c: 233 return ("HP iLO Standard Virtual USB controller"); 234 235 case 0x30381106: 236 return ("VIA 83C572 USB controller"); 237 238 default: 239 break; 240 } 241 242 if ((pci_get_class(self) == PCIC_SERIALBUS) && 243 (pci_get_subclass(self) == PCIS_SERIALBUS_USB) && 244 (pci_get_progif(self) == PCI_INTERFACE_UHCI)) { 245 return ("UHCI (generic) USB controller"); 246 } 247 return (NULL); 248} 249 250static int 251uhci_pci_probe(device_t self) 252{ 253 const char *desc = uhci_pci_match(self); 254 255 if (desc) { 256 device_set_desc(self, desc); 257 return (BUS_PROBE_DEFAULT); 258 } else { 259 return (ENXIO); 260 } 261} 262 263static int 264uhci_pci_attach(device_t self) 265{ 266 uhci_softc_t *sc = device_get_softc(self); 267 int rid; 268 int err; 269 270 /* initialise some bus fields */ 271 sc->sc_bus.parent = self; 272 sc->sc_bus.devices = sc->sc_devices; 273 sc->sc_bus.devices_max = UHCI_MAX_DEVICES; 274 sc->sc_bus.dma_bits = 32; 275 276 /* get all DMA memory */ 277 if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self), 278 &uhci_iterate_hw_softc)) { 279 return ENOMEM; 280 } 281 sc->sc_dev = self; 282 283 pci_enable_busmaster(self); 284 285 rid = PCI_UHCI_BASE_REG; 286 sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_IOPORT, &rid, 287 RF_ACTIVE); 288 if (!sc->sc_io_res) { 289 device_printf(self, "Could not map ports\n"); 290 goto error; 291 } 292 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); 293 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); 294 sc->sc_io_size = rman_get_size(sc->sc_io_res); 295 296 /* disable interrupts */ 297 bus_space_write_2(sc->sc_io_tag, sc->sc_io_hdl, UHCI_INTR, 0); 298 299 rid = 0; 300 sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid, 301 RF_SHAREABLE | RF_ACTIVE); 302 if (sc->sc_irq_res == NULL) { 303 device_printf(self, "Could not allocate irq\n"); 304 goto error; 305 } 306 sc->sc_bus.bdev = device_add_child(self, "usbus", -1); 307 if (!sc->sc_bus.bdev) { 308 device_printf(self, "Could not add USB device\n"); 309 goto error; 310 } 311 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); 312 313 /* 314 * uhci_pci_match must never return NULL if uhci_pci_probe 315 * succeeded 316 */ 317 device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self)); 318 switch (pci_get_vendor(self)) { 319 case PCI_UHCI_VENDORID_INTEL: 320 sprintf(sc->sc_vendor, "Intel"); 321 break; 322 case PCI_UHCI_VENDORID_HP: 323 sprintf(sc->sc_vendor, "HP"); 324 break; 325 case PCI_UHCI_VENDORID_VIA: 326 sprintf(sc->sc_vendor, "VIA"); 327 break; 328 default: 329 if (bootverbose) { 330 device_printf(self, "(New UHCI DeviceId=0x%08x)\n", 331 pci_get_devid(self)); 332 } 333 sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self)); 334 } 335 336 switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USB_REV_MASK) { 337 case PCI_USB_REV_PRE_1_0: 338 sc->sc_bus.usbrev = USB_REV_PRE_1_0; 339 break; 340 case PCI_USB_REV_1_0: 341 sc->sc_bus.usbrev = USB_REV_1_0; 342 break; 343 default: 344 /* Quirk for Parallels Desktop 4.0 */ 345 device_printf(self, "USB revision is unknown. Assuming v1.1.\n"); 346 sc->sc_bus.usbrev = USB_REV_1_1; 347 break; 348 } 349 350#if (__FreeBSD_version >= 700031) 351 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, 352 NULL, (driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl); 353#else 354 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, 355 (driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl); 356#endif 357 358 if (err) { 359 device_printf(self, "Could not setup irq, %d\n", err); 360 sc->sc_intr_hdl = NULL; 361 goto error; 362 } 363 /* 364 * Set the PIRQD enable bit and switch off all the others. We don't 365 * want legacy support to interfere with us XXX Does this also mean 366 * that the BIOS won't touch the keyboard anymore if it is connected 367 * to the ports of the root hub? 368 */ 369#ifdef USB_DEBUG 370 if (pci_read_config(self, PCI_LEGSUP, 2) != PCI_LEGSUP_USBPIRQDEN) { 371 device_printf(self, "LegSup = 0x%04x\n", 372 pci_read_config(self, PCI_LEGSUP, 2)); 373 } 374#endif 375 pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2); 376 377 err = uhci_init(sc); 378 if (!err) { 379 err = device_probe_and_attach(sc->sc_bus.bdev); 380 } 381 if (err) { 382 device_printf(self, "USB init failed\n"); 383 goto error; 384 } 385 return (0); 386 387error: 388 uhci_pci_detach(self); 389 return (ENXIO); 390} 391 392int 393uhci_pci_detach(device_t self) 394{ 395 uhci_softc_t *sc = device_get_softc(self); 396 397 /* during module unload there are lots of children leftover */ 398 device_delete_children(self); 399 400 /* 401 * disable interrupts that might have been switched on in 402 * uhci_init. 403 */ 404 if (sc->sc_io_res) { 405 USB_BUS_LOCK(&sc->sc_bus); 406 407 /* stop the controller */ 408 uhci_reset(sc); 409 410 USB_BUS_UNLOCK(&sc->sc_bus); 411 } 412 pci_disable_busmaster(self); 413 414 if (sc->sc_irq_res && sc->sc_intr_hdl) { 415 int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl); 416 417 if (err) { 418 /* XXX or should we panic? */ 419 device_printf(self, "Could not tear down irq, %d\n", 420 err); 421 } 422 sc->sc_intr_hdl = NULL; 423 } 424 if (sc->sc_irq_res) { 425 bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res); 426 sc->sc_irq_res = NULL; 427 } 428 if (sc->sc_io_res) { 429 bus_release_resource(self, SYS_RES_IOPORT, PCI_UHCI_BASE_REG, 430 sc->sc_io_res); 431 sc->sc_io_res = NULL; 432 } 433 usb_bus_mem_free_all(&sc->sc_bus, &uhci_iterate_hw_softc); 434 435 return (0); 436} 437 438static device_method_t uhci_pci_methods[] = { 439 /* Device interface */ 440 DEVMETHOD(device_probe, uhci_pci_probe), 441 DEVMETHOD(device_attach, uhci_pci_attach), 442 DEVMETHOD(device_detach, uhci_pci_detach), 443 DEVMETHOD(device_suspend, bus_generic_suspend), 444 DEVMETHOD(device_resume, bus_generic_resume), 445 DEVMETHOD(device_shutdown, bus_generic_shutdown), 446 DEVMETHOD(usb_take_controller, uhci_pci_take_controller), 447 448 DEVMETHOD_END 449}; 450 451static driver_t uhci_driver = { 452 .name = "uhci", 453 .methods = uhci_pci_methods, 454 .size = sizeof(struct uhci_softc), 455}; 456 457static devclass_t uhci_devclass; 458 459DRIVER_MODULE(uhci, pci, uhci_driver, uhci_devclass, 0, 0); 460MODULE_DEPEND(uhci, usb, 1, 1, 1); 461