sys/bus/usb/uhci_pci.c

   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  * $FreeBSD: src/sys/dev/usb/uhci_pci.c,v 1.57 2005/03/01 07:50:11 imp Exp $
  38  */
  39
  40 /* Universal Host Controller Interface
  41  *
  42  * UHCI spec: http://www.intel.com/
  43  */
  44
  45 /* The low level controller code for UHCI has been split into
  46  * PCI probes and UHCI specific code. This was done to facilitate the
  47  * sharing of code between *BSD's
  48  */
  49
  50 #include <sys/param.h>
  51 #include <sys/systm.h>
  52 #include <sys/kernel.h>
  53 #include <sys/module.h>
  54 #include <sys/bus.h>
  55 #include <sys/queue.h>
  56 #include <sys/rman.h>
  57
  58 #include <bus/pci/pcivar.h>
  59 #include <bus/pci/pcireg.h>
  60
  61 #include <bus/usb/usb.h>
  62 #include <bus/usb/usbdi.h>
  63 #include <bus/usb/usbdivar.h>
  64 #include <bus/usb/usb_mem.h>
  65
  66 #include <bus/usb/uhcireg.h>
  67 #include <bus/usb/uhcivar.h>
  68
  69 #define PCI_UHCI_VENDORID_INTEL         0x8086
  70 #define PCI_UHCI_VENDORID_VIA           0x1106
  71
  72 #define PCI_UHCI_DEVICEID_PIIX3         0x70208086
  73 static const char *uhci_device_piix3 = "Intel 82371SB (PIIX3) USB controller";
  74
  75 #define PCI_UHCI_DEVICEID_PIIX4         0x71128086
  76 #define PCI_UHCI_DEVICEID_PIIX4E        0x71128086      /* no separate stepping */
  77 static const char *uhci_device_piix4 = "Intel 82371AB/EB (PIIX4) USB controller";
  78
  79 #define PCI_UHCI_DEVICEID_ICH           0x24128086
  80 static const char *uhci_device_ich = "Intel 82801AA (ICH) USB controller";
  81
  82 #define PCI_UHCI_DEVICEID_ICH0          0x24228086
  83 static const char *uhci_device_ich0 = "Intel 82801AB (ICH0) USB controller";
  84
  85 #define PCI_UHCI_DEVICEID_ICH2_A        0x24428086
  86 static const char *uhci_device_ich2_a = "Intel 82801BA/BAM (ICH2) USB controller USB-A";
  87
  88 #define PCI_UHCI_DEVICEID_ICH2_B        0x24448086
  89 static const char *uhci_device_ich2_b = "Intel 82801BA/BAM (ICH2) USB controller USB-B";
  90
  91 #define PCI_UHCI_DEVICEID_ICH3_A        0x24828086
  92 static const char *uhci_device_ich3_a = "Intel 82801CA/CAM (ICH3) USB controller USB-A";
  93
  94 #define PCI_UHCI_DEVICEID_ICH3_B        0x24848086
  95 static const char *uhci_device_ich3_b = "Intel 82801CA/CAM (ICH3) USB controller USB-B";
  96
  97 #define PCI_UHCI_DEVICEID_ICH3_C        0x24878086
  98 static const char *uhci_device_ich3_c = "Intel 82801CA/CAM (ICH3) USB controller USB-C";
  99
 100 #define PCI_UHCI_DEVICEID_ICH4_A        0x24c28086
 101 static const char *uhci_device_ich4_a = "Intel 82801DB (ICH4) USB controller USB-A";
 102
 103 #define PCI_UHCI_DEVICEID_ICH4_B        0x24c48086
 104 static const char *uhci_device_ich4_b = "Intel 82801DB (ICH4) USB controller USB-B";
 105
 106 #define PCI_UHCI_DEVICEID_ICH4_C        0x24c78086
 107 static const char *uhci_device_ich4_c = "Intel 82801DB (ICH4) USB controller USB-C";
 108
 109 #define PCI_UHCI_DEVICEID_ICH5_A        0x24d28086
 110 static const char *uhci_device_ich5_a = "Intel 82801EB (ICH5) USB controller USB-A";
 111
 112 #define PCI_UHCI_DEVICEID_ICH5_B        0x24d48086
 113 static const char *uhci_device_ich5_b = "Intel 82801EB (ICH5) USB controller USB-B";
 114
 115 #define PCI_UHCI_DEVICEID_ICH5_C        0x24d78086
 116 static const char *uhci_device_ich5_c = "Intel 82801EB (ICH5) USB controller USB-C";
 117
 118 #define PCI_UHCI_DEVICEID_ICH5_D        0x24de8086
 119 static const char *uhci_device_ich5_d = "Intel 82801EB (ICH5) USB controller USB-D";
 120
 121 #define PCI_UHCI_DEVICEID_ICH6_A        0x26588086
 122 static const char *uhci_device_ich6_a = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A";
 123
 124 #define PCI_UHCI_DEVICEID_ICH6_B        0x26598086
 125 static const char *uhci_device_ich6_b = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B";
 126
 127 #define PCI_UHCI_DEVICEID_ICH6_C        0x265a8086
 128 static const char *uhci_device_ich6_c = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C";
 129
 130 #define PCI_UHCI_DEVICEID_ICH6_D        0x265b8086
 131 static const char *uhci_device_ich6_d = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D";
 132
 133 #define PCI_UHCI_DEVICEID_63XXESB_1     0x26888086
 134 static const char *uhci_device_esb_1 = "Intel 631XESB/632XESB/3100 USB controller USB-1";
 135
 136 #define PCI_UHCI_DEVICEID_63XXESB_2     0x26898086
 137 static const char *uhci_device_esb_2 = "Intel 631XESB/632XESB/3100 USB controller USB-2";
 138
 139 #define PCI_UHCI_DEVICEID_63XXESB_3     0x268a8086
 140 static const char *uhci_device_esb_3 = "Intel 631XESB/632XESB/3100 USB controller USB-3";
 141
 142 #define PCI_UHCI_DEVICEID_63XXESB_4     0x268b8086
 143 static const char *uhci_device_esb_4 = "Intel 631XESB/632XESB/3100 USB controller USB-4";
 144
 145 #define PCI_UHCI_DEVICEID_ICH7_A        0x27c88086
 146 #define PCI_UHCI_DEVICEID_ICH7_B        0x27c98086
 147 #define PCI_UHCI_DEVICEID_ICH7_C        0x27ca8086
 148 #define PCI_UHCI_DEVICEID_ICH7_D        0x27cb8086
 149 static const char *uhci_device_ich7 = "Intel 82801G (ICH7) USB controller";
 150
 151 #define PCI_UHCI_DEVICEID_ICH8_A        0x28308086
 152 static const char *uhci_device_ich8_a = "Intel 82801H (ICH8) USB controller USB-A";
 153
 154 #define PCI_UHCI_DEVICEID_ICH8_B        0x28318086
 155 static const char *uhci_device_ich8_b = "Intel 82801H (ICH8) USB controller USB-B";
 156
 157 #define PCI_UHCI_DEVICEID_ICH8_C        0x28328086
 158 static const char *uhci_device_ich8_c = "Intel 82801H (ICH8) USB controller USB-C";
 159
 160 #define PCI_UHCI_DEVICEID_ICH8_D        0x28348086
 161 static const char *uhci_device_ich8_d = "Intel 82801H (ICH8) USB controller USB-D";
 162
 163 #define PCI_UHCI_DEVICEID_ICH8_E        0x28358086
 164 static const char *uhci_device_ich8_e = "Intel 82801H (ICH8) USB controller USB-E";
 165
 166 #define PCI_UHCI_DEVICEID_ICH9_A        0x29348086
 167 #define PCI_UHCI_DEVICEID_ICH9_B        0x29358086
 168 #define PCI_UHCI_DEVICEID_ICH9_C        0x29368086
 169 #define PCI_UHCI_DEVICEID_ICH9_D        0x29378086
 170 #define PCI_UHCI_DEVICEID_ICH9_E        0x29388086
 171 #define PCI_UHCI_DEVICEID_ICH9_F        0x29398086
 172 static const char *uhci_device_ich9 = "Intel 82801I (ICH9) USB controller";
 173
 174 #define PCI_UHCI_DEVICEID_440MX         0x719a8086
 175 static const char *uhci_device_440mx = "Intel 82443MX USB controller";
 176
 177 #define PCI_UHCI_DEVICEID_460GX         0x76028086
 178 static const char *uhci_device_460gx = "Intel 82372FB/82468GX USB controller";
 179
 180 #define PCI_UHCI_DEVICEID_VT83C572      0x30381106
 181 static const char *uhci_device_vt83c572 = "VIA 83C572 USB controller";
 182
 183 static const char *uhci_device_generic = "UHCI (generic) USB controller";
 184
 185 #define PCI_UHCI_BASE_REG               0x20
 186
 187
 188 static int uhci_pci_attach(device_t self);
 189 static int uhci_pci_detach(device_t self);
 190 static int uhci_pci_suspend(device_t self);
 191 static int uhci_pci_resume(device_t self);
 192
 193
 194 static int
 195 uhci_pci_suspend(device_t self)
 196 {
 197         uhci_softc_t *sc = device_get_softc(self);
 198         int err;
 199
 200         err = bus_generic_suspend(self);
 201         if (err)
 202                 return err;
 203         uhci_power(PWR_SUSPEND, sc);
 204
 205         return 0;
 206 }
 207
 208 static int
 209 uhci_pci_resume(device_t self)
 210 {
 211         uhci_softc_t *sc = device_get_softc(self);
 212
 213         pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
 214
 215         uhci_power(PWR_RESUME, sc);
 216         bus_generic_resume(self);
 217
 218         return 0;
 219 }
 220
 221 static const char *
 222 uhci_pci_match(device_t self)
 223 {
 224         u_int32_t device_id = pci_get_devid(self);
 225
 226         if (device_id == PCI_UHCI_DEVICEID_PIIX3) {
 227                 return (uhci_device_piix3);
 228         } else if (device_id == PCI_UHCI_DEVICEID_PIIX4) {
 229                 return (uhci_device_piix4);
 230         } else if (device_id == PCI_UHCI_DEVICEID_ICH) {
 231                 return (uhci_device_ich);
 232         } else if (device_id == PCI_UHCI_DEVICEID_ICH0) {
 233                 return (uhci_device_ich0);
 234         } else if (device_id == PCI_UHCI_DEVICEID_ICH2_A) {
 235                 return (uhci_device_ich2_a);
 236         } else if (device_id == PCI_UHCI_DEVICEID_ICH2_B) {
 237                 return (uhci_device_ich2_b);
 238         } else if (device_id == PCI_UHCI_DEVICEID_ICH3_A) {
 239                 return (uhci_device_ich3_a);
 240         } else if (device_id == PCI_UHCI_DEVICEID_ICH3_B) {
 241                 return (uhci_device_ich3_b);
 242         } else if (device_id == PCI_UHCI_DEVICEID_ICH3_C) {
 243                 return (uhci_device_ich3_c);
 244         } else if (device_id == PCI_UHCI_DEVICEID_ICH4_A) {
 245                 return (uhci_device_ich4_a);
 246         } else if (device_id == PCI_UHCI_DEVICEID_ICH4_B) {
 247                 return (uhci_device_ich4_b);
 248         } else if (device_id == PCI_UHCI_DEVICEID_ICH4_C) {
 249                 return (uhci_device_ich4_c);
 250         } else if (device_id == PCI_UHCI_DEVICEID_ICH5_A) {
 251                 return (uhci_device_ich5_a);
 252         } else if (device_id == PCI_UHCI_DEVICEID_ICH5_B) {
 253                 return (uhci_device_ich5_b);
 254         } else if (device_id == PCI_UHCI_DEVICEID_ICH5_C) {
 255                 return (uhci_device_ich5_c);
 256         } else if (device_id == PCI_UHCI_DEVICEID_ICH5_D) {
 257                 return (uhci_device_ich5_d);
 258         } else if (device_id == PCI_UHCI_DEVICEID_ICH6_A) {
 259                 return (uhci_device_ich6_a);
 260         } else if (device_id == PCI_UHCI_DEVICEID_ICH6_B) {
 261                 return (uhci_device_ich6_b);
 262         } else if (device_id == PCI_UHCI_DEVICEID_ICH6_C) {
 263                 return (uhci_device_ich6_c);
 264         } else if (device_id == PCI_UHCI_DEVICEID_ICH6_D) {
 265                 return (uhci_device_ich6_d);
 266         } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_1) {
 267                 return (uhci_device_esb_1);
 268         } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_2) {
 269                 return (uhci_device_esb_2);
 270         } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_3) {
 271                 return (uhci_device_esb_3);
 272         } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_4) {
 273                 return (uhci_device_esb_4);
 274         } else if (device_id == PCI_UHCI_DEVICEID_ICH7_A) {
 275                 return (uhci_device_ich7);
 276         } else if (device_id == PCI_UHCI_DEVICEID_ICH7_B) {
 277                 return (uhci_device_ich7);
 278         } else if (device_id == PCI_UHCI_DEVICEID_ICH7_C) {
 279                 return (uhci_device_ich7);
 280         } else if (device_id == PCI_UHCI_DEVICEID_ICH7_D) {
 281                 return (uhci_device_ich7);
 282         } else if (device_id == PCI_UHCI_DEVICEID_ICH8_A) {
 283                 return (uhci_device_ich8_a);
 284         } else if (device_id == PCI_UHCI_DEVICEID_ICH8_B) {
 285                 return (uhci_device_ich8_b);
 286         } else if (device_id == PCI_UHCI_DEVICEID_ICH8_C) {
 287                 return (uhci_device_ich8_c);
 288         } else if (device_id == PCI_UHCI_DEVICEID_ICH8_D) {
 289                 return (uhci_device_ich8_d);
 290         } else if (device_id == PCI_UHCI_DEVICEID_ICH8_E) {
 291                 return (uhci_device_ich8_e);
 292         } else if (device_id == PCI_UHCI_DEVICEID_ICH9_A) {
 293                 return (uhci_device_ich9);
 294         } else if (device_id == PCI_UHCI_DEVICEID_ICH9_B) {
 295                 return (uhci_device_ich9);
 296         } else if (device_id == PCI_UHCI_DEVICEID_ICH9_C) {
 297                 return (uhci_device_ich9);
 298         } else if (device_id == PCI_UHCI_DEVICEID_ICH9_D) {
 299                 return (uhci_device_ich9);
 300         } else if (device_id == PCI_UHCI_DEVICEID_ICH9_E) {
 301                 return (uhci_device_ich9);
 302         } else if (device_id == PCI_UHCI_DEVICEID_ICH9_F) {
 303                 return (uhci_device_ich9);
 304         } else if (device_id == PCI_UHCI_DEVICEID_440MX) {
 305                 return (uhci_device_440mx);
 306         } else if (device_id == PCI_UHCI_DEVICEID_460GX) {
 307                 return (uhci_device_460gx);
 308         } else if (device_id == PCI_UHCI_DEVICEID_VT83C572) {
 309                 return (uhci_device_vt83c572);
 310         } else {
 311                 if (pci_get_class(self) == PCIC_SERIALBUS
 312                     && pci_get_subclass(self) == PCIS_SERIALBUS_USB
 313                     && pci_get_progif(self) == PCI_INTERFACE_UHCI) {
 314                         return (uhci_device_generic);
 315                 }
 316         }
 317
 318         return NULL;            /* dunno... */
 319 }
 320
 321 static int
 322 uhci_pci_probe(device_t self)
 323 {
 324         const char *desc = uhci_pci_match(self);
 325
 326         if (desc) {
 327                 device_set_desc(self, desc);
 328                 return 0;
 329         } else {
 330                 return ENXIO;
 331         }
 332 }
 333
 334 static int
 335 uhci_pci_attach(device_t self)
 336 {
 337         uhci_softc_t *sc = device_get_softc(self);
 338         int rid;
 339         int err;
 340
 341         pci_enable_busmaster(self);
 342
 343         rid = PCI_UHCI_BASE_REG;
 344         sc->io_res = bus_alloc_resource_any(self, SYS_RES_IOPORT, &rid,
 345             RF_ACTIVE);
 346         if (!sc->io_res) {
 347                 device_printf(self, "Could not map ports\n");
 348                 return ENXIO;
 349         }
 350         sc->iot = rman_get_bustag(sc->io_res);
 351         sc->ioh = rman_get_bushandle(sc->io_res);
 352
 353         /* disable interrupts */
 354         bus_space_write_2(sc->iot, sc->ioh, UHCI_INTR, 0);
 355
 356         rid = 0;
 357         sc->irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
 358             RF_SHAREABLE | RF_ACTIVE);
 359         if (sc->irq_res == NULL) {
 360                 device_printf(self, "Could not allocate irq\n");
 361                 uhci_pci_detach(self);
 362                 return ENXIO;
 363         }
 364         sc->sc_bus.bdev = device_add_child(self, "usb", -1);
 365         if (!sc->sc_bus.bdev) {
 366                 device_printf(self, "Could not add USB device\n");
 367                 uhci_pci_detach(self);
 368                 return ENOMEM;
 369         }
 370         device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
 371
 372         /* uhci_pci_match must never return NULL if uhci_pci_probe succeeded */
 373         device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self));
 374         switch (pci_get_vendor(self)) {
 375         case PCI_UHCI_VENDORID_INTEL:
 376                 ksprintf(sc->sc_vendor, "Intel");
 377                 break;
 378         case PCI_UHCI_VENDORID_VIA:
 379                 ksprintf(sc->sc_vendor, "VIA");
 380                 break;
 381         default:
 382                 if (bootverbose)
 383                         device_printf(self, "(New UHCI DeviceId=0x%08x)\n",
 384                             pci_get_devid(self));
 385                 ksprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
 386         }
 387
 388         switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USBREV_MASK) {
 389         case PCI_USBREV_PRE_1_0:
 390                 sc->sc_bus.usbrev = USBREV_PRE_1_0;
 391                 break;
 392         case PCI_USBREV_1_0:
 393                 sc->sc_bus.usbrev = USBREV_1_0;
 394                 break;
 395         default:
 396                 sc->sc_bus.usbrev = USBREV_UNKNOWN;
 397                 break;
 398         }
 399
 400         err = bus_setup_intr(self, sc->irq_res, 0,
 401             (driver_intr_t *) uhci_intr, sc, &sc->ih, NULL);
 402         if (err) {
 403                 device_printf(self, "Could not setup irq, %d\n", err);
 404                 sc->ih = NULL;
 405                 uhci_pci_detach(self);
 406                 return ENXIO;
 407         }
 408         /*
 409          * Set the PIRQD enable bit and switch off all the others. We don't
 410          * want legacy support to interfere with us XXX Does this also mean
 411          * that the BIOS won't touch the keyboard anymore if it is connected
 412          * to the ports of the root hub?
 413          */
 414 #ifdef USB_DEBUG
 415         if (pci_read_config(self, PCI_LEGSUP, 2) != PCI_LEGSUP_USBPIRQDEN)
 416                 device_printf(self, "LegSup = 0x%04x\n",
 417                     pci_read_config(self, PCI_LEGSUP, 2));
 418 #endif
 419         pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
 420
 421         err = uhci_init(sc);
 422         if (err == 0)
 423                 err = device_probe_and_attach(sc->sc_bus.bdev);
 424
 425         if (err) {
 426                 device_printf(self, "USB init failed\n");
 427                 uhci_pci_detach(self);
 428                 return EIO;
 429         }
 430         return 0;               /* success */
 431 }
 432
 433 int
 434 uhci_pci_detach(device_t self)
 435 {
 436         uhci_softc_t *sc = device_get_softc(self);
 437
 438         if (sc->sc_flags & UHCI_SCFLG_DONEINIT) {
 439                 uhci_detach(sc, 0);
 440                 sc->sc_flags &= ~UHCI_SCFLG_DONEINIT;
 441         }
 442
 443
 444         if (sc->irq_res && sc->ih) {
 445                 int err = bus_teardown_intr(self, sc->irq_res, sc->ih);
 446
 447                 if (err)
 448                         /* XXX or should we panic? */
 449                         device_printf(self, "Could not tear down irq, %d\n",
 450                             err);
 451                 sc->ih = NULL;
 452         }
 453         if (sc->sc_bus.bdev) {
 454                 device_delete_child(self, sc->sc_bus.bdev);
 455                 sc->sc_bus.bdev = NULL;
 456         }
 457         if (sc->irq_res) {
 458                 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
 459                 sc->irq_res = NULL;
 460         }
 461         if (sc->io_res) {
 462                 bus_release_resource(self, SYS_RES_IOPORT, PCI_UHCI_BASE_REG,
 463                     sc->io_res);
 464                 sc->io_res = NULL;
 465                 sc->iot = 0;
 466                 sc->ioh = 0;
 467         }
 468         return 0;
 469 }
 470
 471
 472 static device_method_t uhci_methods[] = {
 473         /* Device interface */
 474         DEVMETHOD(device_probe, uhci_pci_probe),
 475         DEVMETHOD(device_attach, uhci_pci_attach),
 476         DEVMETHOD(device_detach, uhci_pci_detach),
 477         DEVMETHOD(device_suspend, uhci_pci_suspend),
 478         DEVMETHOD(device_resume, uhci_pci_resume),
 479         DEVMETHOD(device_shutdown, bus_generic_shutdown),
 480
 481         /* Bus interface */
 482         DEVMETHOD(bus_print_child, bus_generic_print_child),
 483
 484         DEVMETHOD_END
 485 };
 486
 487 static driver_t uhci_driver = {
 488         "uhci",
 489         uhci_methods,
 490         sizeof(uhci_softc_t),
 491 };
 492
 493 static devclass_t uhci_devclass;
 494
 495 DRIVER_MODULE(uhci, pci, uhci_driver, uhci_devclass, NULL, NULL);
 496 DRIVER_MODULE(uhci, cardbus, uhci_driver, uhci_devclass, NULL, NULL);