ehci_pci.c revision 194228
1184610Salfred/*- 2184610Salfred * Copyright (c) 1998 The NetBSD Foundation, Inc. 3184610Salfred * All rights reserved. 4184610Salfred * 5184610Salfred * This code is derived from software contributed to The NetBSD Foundation 6184610Salfred * by Lennart Augustsson (augustss@carlstedt.se) at 7184610Salfred * Carlstedt Research & Technology. 8184610Salfred * 9184610Salfred * Redistribution and use in source and binary forms, with or without 10184610Salfred * modification, are permitted provided that the following conditions 11184610Salfred * are met: 12184610Salfred * 1. Redistributions of source code must retain the above copyright 13184610Salfred * notice, this list of conditions and the following disclaimer. 14184610Salfred * 2. Redistributions in binary form must reproduce the above copyright 15184610Salfred * notice, this list of conditions and the following disclaimer in the 16184610Salfred * documentation and/or other materials provided with the distribution. 17184610Salfred * 3. All advertising materials mentioning features or use of this software 18184610Salfred * must display the following acknowledgement: 19184610Salfred * This product includes software developed by the NetBSD 20184610Salfred * Foundation, Inc. and its contributors. 21184610Salfred * 4. Neither the name of The NetBSD Foundation nor the names of its 22184610Salfred * contributors may be used to endorse or promote products derived 23184610Salfred * from this software without specific prior written permission. 24184610Salfred * 25184610Salfred * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26184610Salfred * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27184610Salfred * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28184610Salfred * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29184610Salfred * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30184610Salfred * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31184610Salfred * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32184610Salfred * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33184610Salfred * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34184610Salfred * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35184610Salfred * POSSIBILITY OF SUCH DAMAGE. 36184610Salfred */ 37184610Salfred 38184610Salfred#include <sys/cdefs.h> 39184610Salfred__FBSDID("$FreeBSD: head/sys/dev/usb/controller/ehci_pci.c 194228 2009-06-15 01:02:43Z thompsa $"); 40184610Salfred 41184610Salfred/* 42184610Salfred * USB Enhanced Host Controller Driver, a.k.a. USB 2.0 controller. 43184610Salfred * 44184610Salfred * The EHCI 1.0 spec can be found at 45184610Salfred * http://developer.intel.com/technology/usb/download/ehci-r10.pdf 46184610Salfred * and the USB 2.0 spec at 47184610Salfred * http://www.usb.org/developers/docs/usb_20.zip 48184610Salfred */ 49184610Salfred 50184610Salfred/* The low level controller code for EHCI has been split into 51184610Salfred * PCI probes and EHCI specific code. This was done to facilitate the 52184610Salfred * sharing of code between *BSD's 53184610Salfred */ 54184610Salfred 55188942Sthompsa#include <dev/usb/usb_mfunc.h> 56188942Sthompsa#include <dev/usb/usb.h> 57184610Salfred 58188942Sthompsa#include <dev/usb/usb_core.h> 59188942Sthompsa#include <dev/usb/usb_busdma.h> 60188942Sthompsa#include <dev/usb/usb_process.h> 61188942Sthompsa#include <dev/usb/usb_util.h> 62184610Salfred 63188942Sthompsa#include <dev/usb/usb_controller.h> 64188942Sthompsa#include <dev/usb/usb_bus.h> 65188942Sthompsa#include <dev/usb/usb_pci.h> 66188942Sthompsa#include <dev/usb/controller/ehci.h> 67184610Salfred 68184610Salfred#define PCI_EHCI_VENDORID_ACERLABS 0x10b9 69184610Salfred#define PCI_EHCI_VENDORID_AMD 0x1022 70184610Salfred#define PCI_EHCI_VENDORID_APPLE 0x106b 71184610Salfred#define PCI_EHCI_VENDORID_ATI 0x1002 72184610Salfred#define PCI_EHCI_VENDORID_CMDTECH 0x1095 73184610Salfred#define PCI_EHCI_VENDORID_INTEL 0x8086 74184610Salfred#define PCI_EHCI_VENDORID_NEC 0x1033 75184610Salfred#define PCI_EHCI_VENDORID_OPTI 0x1045 76184610Salfred#define PCI_EHCI_VENDORID_PHILIPS 0x1131 77184610Salfred#define PCI_EHCI_VENDORID_SIS 0x1039 78184610Salfred#define PCI_EHCI_VENDORID_NVIDIA 0x12D2 79184610Salfred#define PCI_EHCI_VENDORID_NVIDIA2 0x10DE 80184610Salfred#define PCI_EHCI_VENDORID_VIA 0x1106 81184610Salfred 82184610Salfred#define PCI_EHCI_BASE_REG 0x10 83184610Salfred 84184610Salfredstatic void ehci_pci_takecontroller(device_t self); 85184610Salfred 86184610Salfredstatic device_probe_t ehci_pci_probe; 87184610Salfredstatic device_attach_t ehci_pci_attach; 88184610Salfredstatic device_detach_t ehci_pci_detach; 89184610Salfredstatic device_suspend_t ehci_pci_suspend; 90184610Salfredstatic device_resume_t ehci_pci_resume; 91184610Salfredstatic device_shutdown_t ehci_pci_shutdown; 92184610Salfred 93184610Salfredstatic int 94184610Salfredehci_pci_suspend(device_t self) 95184610Salfred{ 96184610Salfred ehci_softc_t *sc = device_get_softc(self); 97184610Salfred int err; 98184610Salfred 99184610Salfred err = bus_generic_suspend(self); 100184610Salfred if (err) 101184610Salfred return (err); 102184610Salfred ehci_suspend(sc); 103184610Salfred return (0); 104184610Salfred} 105184610Salfred 106184610Salfredstatic int 107184610Salfredehci_pci_resume(device_t self) 108184610Salfred{ 109184610Salfred ehci_softc_t *sc = device_get_softc(self); 110184610Salfred 111184610Salfred ehci_pci_takecontroller(self); 112184610Salfred ehci_resume(sc); 113184610Salfred 114184610Salfred bus_generic_resume(self); 115184610Salfred 116184610Salfred return (0); 117184610Salfred} 118184610Salfred 119184610Salfredstatic int 120184610Salfredehci_pci_shutdown(device_t self) 121184610Salfred{ 122184610Salfred ehci_softc_t *sc = device_get_softc(self); 123184610Salfred int err; 124184610Salfred 125184610Salfred err = bus_generic_shutdown(self); 126184610Salfred if (err) 127184610Salfred return (err); 128184610Salfred ehci_shutdown(sc); 129184610Salfred 130184610Salfred return (0); 131184610Salfred} 132184610Salfred 133184610Salfredstatic const char * 134184610Salfredehci_pci_match(device_t self) 135184610Salfred{ 136184610Salfred uint32_t device_id = pci_get_devid(self); 137184610Salfred 138184610Salfred switch (device_id) { 139184610Salfred case 0x268c8086: 140184610Salfred return ("Intel 63XXESB USB 2.0 controller"); 141184610Salfred 142184610Salfred case 0x523910b9: 143184610Salfred return "ALi M5239 USB 2.0 controller"; 144184610Salfred 145184610Salfred case 0x10227463: 146184610Salfred return "AMD 8111 USB 2.0 controller"; 147184610Salfred 148184610Salfred case 0x20951022: 149184610Salfred return ("AMD CS5536 (Geode) USB 2.0 controller"); 150184610Salfred 151184610Salfred case 0x43451002: 152184610Salfred return "ATI SB200 USB 2.0 controller"; 153184610Salfred case 0x43731002: 154184610Salfred return "ATI SB400 USB 2.0 controller"; 155184610Salfred 156184610Salfred case 0x25ad8086: 157184610Salfred return "Intel 6300ESB USB 2.0 controller"; 158184610Salfred case 0x24cd8086: 159184610Salfred return "Intel 82801DB/L/M (ICH4) USB 2.0 controller"; 160184610Salfred case 0x24dd8086: 161184610Salfred return "Intel 82801EB/R (ICH5) USB 2.0 controller"; 162184610Salfred case 0x265c8086: 163184610Salfred return "Intel 82801FB (ICH6) USB 2.0 controller"; 164184610Salfred case 0x27cc8086: 165184610Salfred return "Intel 82801GB/R (ICH7) USB 2.0 controller"; 166184610Salfred 167184610Salfred case 0x28368086: 168184610Salfred return "Intel 82801H (ICH8) USB 2.0 controller USB2-A"; 169184610Salfred case 0x283a8086: 170184610Salfred return "Intel 82801H (ICH8) USB 2.0 controller USB2-B"; 171184610Salfred case 0x293a8086: 172184610Salfred return "Intel 82801I (ICH9) USB 2.0 controller"; 173184610Salfred case 0x293c8086: 174184610Salfred return "Intel 82801I (ICH9) USB 2.0 controller"; 175184610Salfred 176184610Salfred case 0x00e01033: 177184610Salfred return ("NEC uPD 720100 USB 2.0 controller"); 178184610Salfred 179184610Salfred case 0x006810de: 180184610Salfred return "NVIDIA nForce2 USB 2.0 controller"; 181184610Salfred case 0x008810de: 182184610Salfred return "NVIDIA nForce2 Ultra 400 USB 2.0 controller"; 183184610Salfred case 0x00d810de: 184184610Salfred return "NVIDIA nForce3 USB 2.0 controller"; 185184610Salfred case 0x00e810de: 186184610Salfred return "NVIDIA nForce3 250 USB 2.0 controller"; 187184610Salfred case 0x005b10de: 188184610Salfred return "NVIDIA nForce4 USB 2.0 controller"; 189184610Salfred 190184610Salfred case 0x15621131: 191184610Salfred return "Philips ISP156x USB 2.0 controller"; 192184610Salfred 193184610Salfred case 0x31041106: 194184610Salfred return ("VIA VT6202 USB 2.0 controller"); 195184610Salfred 196184610Salfred default: 197184610Salfred break; 198184610Salfred } 199184610Salfred 200184610Salfred if ((pci_get_class(self) == PCIC_SERIALBUS) 201184610Salfred && (pci_get_subclass(self) == PCIS_SERIALBUS_USB) 202184610Salfred && (pci_get_progif(self) == PCI_INTERFACE_EHCI)) { 203184610Salfred return ("EHCI (generic) USB 2.0 controller"); 204184610Salfred } 205184610Salfred return (NULL); /* dunno */ 206184610Salfred} 207184610Salfred 208184610Salfredstatic int 209184610Salfredehci_pci_probe(device_t self) 210184610Salfred{ 211184610Salfred const char *desc = ehci_pci_match(self); 212184610Salfred 213184610Salfred if (desc) { 214184610Salfred device_set_desc(self, desc); 215184610Salfred return (0); 216184610Salfred } else { 217184610Salfred return (ENXIO); 218184610Salfred } 219184610Salfred} 220184610Salfred 221184610Salfredstatic int 222184610Salfredehci_pci_attach(device_t self) 223184610Salfred{ 224184610Salfred ehci_softc_t *sc = device_get_softc(self); 225184610Salfred int err; 226184610Salfred int rid; 227184610Salfred 228187170Sthompsa /* initialise some bus fields */ 229187170Sthompsa sc->sc_bus.parent = self; 230187170Sthompsa sc->sc_bus.devices = sc->sc_devices; 231187170Sthompsa sc->sc_bus.devices_max = EHCI_MAX_DEVICES; 232187170Sthompsa 233184610Salfred /* get all DMA memory */ 234194228Sthompsa if (usb_bus_mem_alloc_all(&sc->sc_bus, 235184610Salfred USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) { 236187170Sthompsa return (ENOMEM); 237184610Salfred } 238184610Salfred 239184610Salfred pci_enable_busmaster(self); 240184610Salfred 241184610Salfred switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USB_REV_MASK) { 242184610Salfred case PCI_USB_REV_PRE_1_0: 243184610Salfred case PCI_USB_REV_1_0: 244184610Salfred case PCI_USB_REV_1_1: 245184610Salfred /* 246184610Salfred * NOTE: some EHCI USB controllers have the wrong USB 247184610Salfred * revision number. It appears those controllers are 248184610Salfred * fully compliant so we just ignore this value in 249184610Salfred * some common cases. 250184610Salfred */ 251184610Salfred device_printf(self, "pre-2.0 USB revision (ignored)\n"); 252184610Salfred /* fallthrough */ 253184610Salfred case PCI_USB_REV_2_0: 254184610Salfred sc->sc_bus.usbrev = USB_REV_2_0; 255184610Salfred break; 256184610Salfred default: 257187186Sthompsa /* Quirk for Parallels Desktop 4.0 */ 258187186Sthompsa device_printf(self, "USB revision is unknown. Assuming v2.0.\n"); 259187186Sthompsa sc->sc_bus.usbrev = USB_REV_2_0; 260187186Sthompsa break; 261184610Salfred } 262184610Salfred 263184610Salfred rid = PCI_CBMEM; 264184610Salfred sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, 265184610Salfred RF_ACTIVE); 266184610Salfred if (!sc->sc_io_res) { 267184610Salfred device_printf(self, "Could not map memory\n"); 268184610Salfred goto error; 269184610Salfred } 270184610Salfred sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); 271184610Salfred sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); 272184610Salfred sc->sc_io_size = rman_get_size(sc->sc_io_res); 273184610Salfred 274184610Salfred rid = 0; 275184610Salfred sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid, 276184610Salfred RF_SHAREABLE | RF_ACTIVE); 277184610Salfred if (sc->sc_irq_res == NULL) { 278184610Salfred device_printf(self, "Could not allocate irq\n"); 279184610Salfred goto error; 280184610Salfred } 281184610Salfred sc->sc_bus.bdev = device_add_child(self, "usbus", -1); 282184610Salfred if (!sc->sc_bus.bdev) { 283184610Salfred device_printf(self, "Could not add USB device\n"); 284184610Salfred goto error; 285184610Salfred } 286184610Salfred device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); 287184610Salfred 288184610Salfred /* 289184610Salfred * ehci_pci_match will never return NULL if ehci_pci_probe 290184610Salfred * succeeded 291184610Salfred */ 292184610Salfred device_set_desc(sc->sc_bus.bdev, ehci_pci_match(self)); 293184610Salfred switch (pci_get_vendor(self)) { 294184610Salfred case PCI_EHCI_VENDORID_ACERLABS: 295184610Salfred sprintf(sc->sc_vendor, "AcerLabs"); 296184610Salfred break; 297184610Salfred case PCI_EHCI_VENDORID_AMD: 298184610Salfred sprintf(sc->sc_vendor, "AMD"); 299184610Salfred break; 300184610Salfred case PCI_EHCI_VENDORID_APPLE: 301184610Salfred sprintf(sc->sc_vendor, "Apple"); 302184610Salfred break; 303184610Salfred case PCI_EHCI_VENDORID_ATI: 304184610Salfred sprintf(sc->sc_vendor, "ATI"); 305184610Salfred break; 306184610Salfred case PCI_EHCI_VENDORID_CMDTECH: 307184610Salfred sprintf(sc->sc_vendor, "CMDTECH"); 308184610Salfred break; 309184610Salfred case PCI_EHCI_VENDORID_INTEL: 310184610Salfred sprintf(sc->sc_vendor, "Intel"); 311184610Salfred break; 312184610Salfred case PCI_EHCI_VENDORID_NEC: 313184610Salfred sprintf(sc->sc_vendor, "NEC"); 314184610Salfred break; 315184610Salfred case PCI_EHCI_VENDORID_OPTI: 316184610Salfred sprintf(sc->sc_vendor, "OPTi"); 317184610Salfred break; 318184610Salfred case PCI_EHCI_VENDORID_PHILIPS: 319184610Salfred sprintf(sc->sc_vendor, "Philips"); 320184610Salfred break; 321184610Salfred case PCI_EHCI_VENDORID_SIS: 322184610Salfred sprintf(sc->sc_vendor, "SiS"); 323184610Salfred break; 324184610Salfred case PCI_EHCI_VENDORID_NVIDIA: 325184610Salfred case PCI_EHCI_VENDORID_NVIDIA2: 326184610Salfred sprintf(sc->sc_vendor, "nVidia"); 327184610Salfred break; 328184610Salfred case PCI_EHCI_VENDORID_VIA: 329184610Salfred sprintf(sc->sc_vendor, "VIA"); 330184610Salfred break; 331184610Salfred default: 332184610Salfred if (bootverbose) 333184610Salfred device_printf(self, "(New EHCI DeviceId=0x%08x)\n", 334184610Salfred pci_get_devid(self)); 335184610Salfred sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self)); 336184610Salfred } 337184610Salfred 338184610Salfred#if (__FreeBSD_version >= 700031) 339184610Salfred err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, 340190183Sthompsa NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl); 341184610Salfred#else 342184610Salfred err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, 343190183Sthompsa (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl); 344184610Salfred#endif 345184610Salfred if (err) { 346184610Salfred device_printf(self, "Could not setup irq, %d\n", err); 347184610Salfred sc->sc_intr_hdl = NULL; 348184610Salfred goto error; 349184610Salfred } 350184610Salfred ehci_pci_takecontroller(self); 351184610Salfred err = ehci_init(sc); 352184610Salfred if (!err) { 353184610Salfred err = device_probe_and_attach(sc->sc_bus.bdev); 354184610Salfred } 355184610Salfred if (err) { 356184610Salfred device_printf(self, "USB init failed err=%d\n", err); 357184610Salfred goto error; 358184610Salfred } 359184610Salfred return (0); 360184610Salfred 361184610Salfrederror: 362184610Salfred ehci_pci_detach(self); 363184610Salfred return (ENXIO); 364184610Salfred} 365184610Salfred 366184610Salfredstatic int 367184610Salfredehci_pci_detach(device_t self) 368184610Salfred{ 369184610Salfred ehci_softc_t *sc = device_get_softc(self); 370184610Salfred device_t bdev; 371184610Salfred 372184610Salfred if (sc->sc_bus.bdev) { 373184610Salfred bdev = sc->sc_bus.bdev; 374184610Salfred device_detach(bdev); 375184610Salfred device_delete_child(self, bdev); 376184610Salfred } 377184610Salfred /* during module unload there are lots of children leftover */ 378184610Salfred device_delete_all_children(self); 379184610Salfred 380184610Salfred pci_disable_busmaster(self); 381184610Salfred 382184610Salfred /* 383184610Salfred * disable interrupts that might have been switched on in ehci_init 384184610Salfred */ 385184610Salfred if (sc->sc_io_res) { 386184610Salfred EWRITE4(sc, EHCI_USBINTR, 0); 387184610Salfred } 388184610Salfred if (sc->sc_irq_res && sc->sc_intr_hdl) { 389184610Salfred /* 390184610Salfred * only call ehci_detach() after ehci_init() 391184610Salfred */ 392184610Salfred ehci_detach(sc); 393184610Salfred 394184610Salfred int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl); 395184610Salfred 396184610Salfred if (err) 397184610Salfred /* XXX or should we panic? */ 398184610Salfred device_printf(self, "Could not tear down irq, %d\n", 399184610Salfred err); 400184610Salfred sc->sc_intr_hdl = NULL; 401184610Salfred } 402184610Salfred if (sc->sc_irq_res) { 403184610Salfred bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res); 404184610Salfred sc->sc_irq_res = NULL; 405184610Salfred } 406184610Salfred if (sc->sc_io_res) { 407184610Salfred bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM, 408184610Salfred sc->sc_io_res); 409184610Salfred sc->sc_io_res = NULL; 410184610Salfred } 411194228Sthompsa usb_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc); 412184610Salfred 413184610Salfred return (0); 414184610Salfred} 415184610Salfred 416184610Salfredstatic void 417184610Salfredehci_pci_takecontroller(device_t self) 418184610Salfred{ 419184610Salfred ehci_softc_t *sc = device_get_softc(self); 420184610Salfred uint32_t cparams; 421184610Salfred uint32_t eec; 422184610Salfred uint16_t to; 423184610Salfred uint8_t eecp; 424184610Salfred uint8_t bios_sem; 425184610Salfred 426184610Salfred cparams = EREAD4(sc, EHCI_HCCPARAMS); 427184610Salfred 428184610Salfred /* Synchronise with the BIOS if it owns the controller. */ 429184610Salfred for (eecp = EHCI_HCC_EECP(cparams); eecp != 0; 430184610Salfred eecp = EHCI_EECP_NEXT(eec)) { 431184610Salfred eec = pci_read_config(self, eecp, 4); 432184610Salfred if (EHCI_EECP_ID(eec) != EHCI_EC_LEGSUP) { 433184610Salfred continue; 434184610Salfred } 435184610Salfred bios_sem = pci_read_config(self, eecp + 436184610Salfred EHCI_LEGSUP_BIOS_SEM, 1); 437184610Salfred if (bios_sem == 0) { 438184610Salfred continue; 439184610Salfred } 440184610Salfred device_printf(sc->sc_bus.bdev, "waiting for BIOS " 441184610Salfred "to give up control\n"); 442184610Salfred pci_write_config(self, eecp + 443184610Salfred EHCI_LEGSUP_OS_SEM, 1, 1); 444184610Salfred to = 500; 445184610Salfred while (1) { 446184610Salfred bios_sem = pci_read_config(self, eecp + 447184610Salfred EHCI_LEGSUP_BIOS_SEM, 1); 448184610Salfred if (bios_sem == 0) 449184610Salfred break; 450184610Salfred 451184610Salfred if (--to == 0) { 452184610Salfred device_printf(sc->sc_bus.bdev, 453184610Salfred "timed out waiting for BIOS\n"); 454184610Salfred break; 455184610Salfred } 456194228Sthompsa usb_pause_mtx(NULL, hz / 100); /* wait 10ms */ 457184610Salfred } 458184610Salfred } 459184610Salfred} 460184610Salfred 461184610Salfredstatic driver_t ehci_driver = 462184610Salfred{ 463184610Salfred .name = "ehci", 464184610Salfred .methods = (device_method_t[]){ 465184610Salfred /* device interface */ 466184610Salfred DEVMETHOD(device_probe, ehci_pci_probe), 467184610Salfred DEVMETHOD(device_attach, ehci_pci_attach), 468184610Salfred DEVMETHOD(device_detach, ehci_pci_detach), 469184610Salfred DEVMETHOD(device_suspend, ehci_pci_suspend), 470184610Salfred DEVMETHOD(device_resume, ehci_pci_resume), 471184610Salfred DEVMETHOD(device_shutdown, ehci_pci_shutdown), 472184610Salfred /* bus interface */ 473184610Salfred DEVMETHOD(bus_print_child, bus_generic_print_child), 474184610Salfred 475184610Salfred {0, 0} 476184610Salfred }, 477184610Salfred .size = sizeof(struct ehci_softc), 478184610Salfred}; 479184610Salfred 480184610Salfredstatic devclass_t ehci_devclass; 481184610Salfred 482184610SalfredDRIVER_MODULE(ehci, pci, ehci_driver, ehci_devclass, 0, 0); 483188942SthompsaMODULE_DEPEND(ehci, usb, 1, 1, 1); 484