drivers/usb/input/hid-core.c

   1 /*
   2  *  USB HID support for Linux
   3  *
   4  *  Copyright (c) 1999 Andreas Gal
   5  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
   6  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
   7  *  Copyright (c) 2006 Jiri Kosina
   8  */
   9
  10 /*
  11  * This program is free software; you can redistribute it and/or modify it
  12  * under the terms of the GNU General Public License as published by the Free
  13  * Software Foundation; either version 2 of the License, or (at your option)
  14  * any later version.
  15  */
  16
  17 #include <linux/module.h>
  18 #include <linux/slab.h>
  19 #include <linux/init.h>
  20 #include <linux/kernel.h>
  21 #include <linux/sched.h>
  22 #include <linux/list.h>
  23 #include <linux/mm.h>
  24 #include <linux/smp_lock.h>
  25 #include <linux/spinlock.h>
  26 #include <asm/unaligned.h>
  27 #include <asm/byteorder.h>
  28 #include <linux/input.h>
  29 #include <linux/wait.h>
  30
  31 #undef DEBUG
  32 #undef DEBUG_DATA
  33
  34 #include <linux/usb.h>
  35
  36 #include <linux/hid.h>
  37 #include <linux/hiddev.h>
  38 #include "usbhid.h"
  39
  40 /*
  41  * Version Information
  42  */
  43
  44 #define DRIVER_VERSION "v2.6"
  45 #define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
  46 #define DRIVER_DESC "USB HID core driver"
  47 #define DRIVER_LICENSE "GPL"
  48
  49 static char *hid_types[] = {"Device", "Pointer", "Mouse", "Device", "Joystick",
  50                                 "Gamepad", "Keyboard", "Keypad", "Multi-Axis Controller"};
  51 /*
  52  * Module parameters.
  53  */
  54
  55 static unsigned int hid_mousepoll_interval;
  56 module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
  57 MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
  58
  59 /*
  60  * Input submission and I/O error handler.
  61  */
  62
  63 static void hid_io_error(struct hid_device *hid);
  64
  65 /* Start up the input URB */
  66 static int hid_start_in(struct hid_device *hid)
  67 {
  68         unsigned long flags;
  69         int rc = 0;
  70         struct usbhid_device *usbhid = hid->driver_data;
  71
  72         spin_lock_irqsave(&usbhid->inlock, flags);
  73         if (hid->open > 0 && !test_bit(HID_SUSPENDED, &usbhid->iofl) &&
  74                         !test_and_set_bit(HID_IN_RUNNING, &usbhid->iofl)) {
  75                 rc = usb_submit_urb(usbhid->urbin, GFP_ATOMIC);
  76                 if (rc != 0)
  77                         clear_bit(HID_IN_RUNNING, &usbhid->iofl);
  78         }
  79         spin_unlock_irqrestore(&usbhid->inlock, flags);
  80         return rc;
  81 }
  82
  83 /* I/O retry timer routine */
  84 static void hid_retry_timeout(unsigned long _hid)
  85 {
  86         struct hid_device *hid = (struct hid_device *) _hid;
  87         struct usbhid_device *usbhid = hid->driver_data;
  88
  89         dev_dbg(&usbhid->intf->dev, "retrying intr urb\n");
  90         if (hid_start_in(hid))
  91                 hid_io_error(hid);
  92 }
  93
  94 /* Workqueue routine to reset the device or clear a halt */
  95 static void hid_reset(struct work_struct *work)
  96 {
  97         struct usbhid_device *usbhid =
  98                 container_of(work, struct usbhid_device, reset_work);
  99         struct hid_device *hid = usbhid->hid;
 100         int rc_lock, rc = 0;
 101
 102         if (test_bit(HID_CLEAR_HALT, &usbhid->iofl)) {
 103                 dev_dbg(&usbhid->intf->dev, "clear halt\n");
 104                 rc = usb_clear_halt(to_usb_device(hid->dev), usbhid->urbin->pipe);
 105                 clear_bit(HID_CLEAR_HALT, &usbhid->iofl);
 106                 hid_start_in(hid);
 107         }
 108
 109         else if (test_bit(HID_RESET_PENDING, &usbhid->iofl)) {
 110                 dev_dbg(&usbhid->intf->dev, "resetting device\n");
 111                 rc = rc_lock = usb_lock_device_for_reset(to_usb_device(hid->dev), usbhid->intf);
 112                 if (rc_lock >= 0) {
 113                         rc = usb_reset_composite_device(to_usb_device(hid->dev), usbhid->intf);
 114                         if (rc_lock)
 115                                 usb_unlock_device(to_usb_device(hid->dev));
 116                 }
 117                 clear_bit(HID_RESET_PENDING, &usbhid->iofl);
 118         }
 119
 120         switch (rc) {
 121         case 0:
 122                 if (!test_bit(HID_IN_RUNNING, &usbhid->iofl))
 123                         hid_io_error(hid);
 124                 break;
 125         default:
 126                 err("can't reset device, %s-%s/input%d, status %d",
 127                                 to_usb_device(hid->dev)->bus->bus_name,
 128                                 to_usb_device(hid->dev)->devpath,
 129                                 usbhid->ifnum, rc);
 130                 /* FALLTHROUGH */
 131         case -EHOSTUNREACH:
 132         case -ENODEV:
 133         case -EINTR:
 134                 break;
 135         }
 136 }
 137
 138 /* Main I/O error handler */
 139 static void hid_io_error(struct hid_device *hid)
 140 {
 141         unsigned long flags;
 142         struct usbhid_device *usbhid = hid->driver_data;
 143
 144         spin_lock_irqsave(&usbhid->inlock, flags);
 145
 146         /* Stop when disconnected */
 147         if (usb_get_intfdata(usbhid->intf) == NULL)
 148                 goto done;
 149
 150         /* When an error occurs, retry at increasing intervals */
 151         if (usbhid->retry_delay == 0) {
 152                 usbhid->retry_delay = 13;       /* Then 26, 52, 104, 104, ... */
 153                 usbhid->stop_retry = jiffies + msecs_to_jiffies(1000);
 154         } else if (usbhid->retry_delay < 100)
 155                 usbhid->retry_delay *= 2;
 156
 157         if (time_after(jiffies, usbhid->stop_retry)) {
 158
 159                 /* Retries failed, so do a port reset */
 160                 if (!test_and_set_bit(HID_RESET_PENDING, &usbhid->iofl)) {
 161                         schedule_work(&usbhid->reset_work);
 162                         goto done;
 163                 }
 164         }
 165
 166         mod_timer(&usbhid->io_retry,
 167                         jiffies + msecs_to_jiffies(usbhid->retry_delay));
 168 done:
 169         spin_unlock_irqrestore(&usbhid->inlock, flags);
 170 }
 171
 172
 173 static int hid_input_report(int type, struct urb *urb, int interrupt)
 174 {
 175         struct hid_device *hid = urb->context;
 176         struct hid_report_enum *report_enum = hid->report_enum + type;
 177         u8 *data = urb->transfer_buffer;
 178         int len = urb->actual_length;
 179         struct hid_report *report;
 180         int n, size;
 181
 182         if (!len) {
 183                 dbg("empty report");
 184                 return -1;
 185         }
 186
 187 #ifdef DEBUG_DATA
 188         printk(KERN_DEBUG __FILE__ ": report (size %u) (%snumbered)\n", len, report_enum->numbered ? "" : "un");
 189 #endif
 190
 191         n = 0;                          /* Normally report number is 0 */
 192         if (report_enum->numbered) {    /* Device uses numbered reports, data[0] is report number */
 193                 n = *data++;
 194                 len--;
 195         }
 196
 197 #ifdef DEBUG_DATA
 198         {
 199                 int i;
 200                 printk(KERN_DEBUG __FILE__ ": report %d (size %u) = ", n, len);
 201                 for (i = 0; i < len; i++)
 202                         printk(" %02x", data[i]);
 203                 printk("\n");
 204         }
 205 #endif
 206
 207         if (!(report = report_enum->report_id_hash[n])) {
 208                 dbg("undefined report_id %d received", n);
 209                 return -1;
 210         }
 211
 212         size = ((report->size - 1) >> 3) + 1;
 213
 214         if (len < size) {
 215                 dbg("report %d is too short, (%d < %d)", report->id, len, size);
 216                 memset(data + len, 0, size - len);
 217         }
 218
 219         if (hid->claimed & HID_CLAIMED_HIDDEV)
 220                 hiddev_report_event(hid, report);
 221
 222         for (n = 0; n < report->maxfield; n++)
 223                 hid_input_field(hid, report->field[n], data, interrupt);
 224
 225         if (hid->claimed & HID_CLAIMED_INPUT)
 226                 hidinput_report_event(hid, report);
 227
 228         return 0;
 229 }
 230
 231 /*
 232  * Input interrupt completion handler.
 233  */
 234
 235 static void hid_irq_in(struct urb *urb)
 236 {
 237         struct hid_device       *hid = urb->context;
 238         struct usbhid_device    *usbhid = hid->driver_data;
 239         int                     status;
 240
 241         switch (urb->status) {
 242                 case 0:                 /* success */
 243                         usbhid->retry_delay = 0;
 244                         hid_input_report(HID_INPUT_REPORT, urb, 1);
 245                         break;
 246                 case -EPIPE:            /* stall */
 247                         clear_bit(HID_IN_RUNNING, &usbhid->iofl);
 248                         set_bit(HID_CLEAR_HALT, &usbhid->iofl);
 249                         schedule_work(&usbhid->reset_work);
 250                         return;
 251                 case -ECONNRESET:       /* unlink */
 252                 case -ENOENT:
 253                 case -ESHUTDOWN:        /* unplug */
 254                         clear_bit(HID_IN_RUNNING, &usbhid->iofl);
 255                         return;
 256                 case -EILSEQ:           /* protocol error or unplug */
 257                 case -EPROTO:           /* protocol error or unplug */
 258                 case -ETIME:            /* protocol error or unplug */
 259                 case -ETIMEDOUT:        /* Should never happen, but... */
 260                         clear_bit(HID_IN_RUNNING, &usbhid->iofl);
 261                         hid_io_error(hid);
 262                         return;
 263                 default:                /* error */
 264                         warn("input irq status %d received", urb->status);
 265         }
 266
 267         status = usb_submit_urb(urb, GFP_ATOMIC);
 268         if (status) {
 269                 clear_bit(HID_IN_RUNNING, &usbhid->iofl);
 270                 if (status != -EPERM) {
 271                         err("can't resubmit intr, %s-%s/input%d, status %d",
 272                                         to_usb_device(hid->dev)->bus->bus_name,
 273                                         to_usb_device(hid->dev)->devpath,
 274                                         usbhid->ifnum, status);
 275                         hid_io_error(hid);
 276                 }
 277         }
 278 }
 279
 280 /*
 281  * Find a report field with a specified HID usage.
 282  */
 283 #if 0
 284 struct hid_field *hid_find_field_by_usage(struct hid_device *hid, __u32 wanted_usage, int type)
 285 {
 286         struct hid_report *report;
 287         int i;
 288
 289         list_for_each_entry(report, &hid->report_enum[type].report_list, list)
 290                 for (i = 0; i < report->maxfield; i++)
 291                         if (report->field[i]->logical == wanted_usage)
 292                                 return report->field[i];
 293         return NULL;
 294 }
 295 #endif  /*  0  */
 296
 297 static int hid_submit_out(struct hid_device *hid)
 298 {
 299         struct hid_report *report;
 300         struct usbhid_device *usbhid = hid->driver_data;
 301
 302         report = usbhid->out[usbhid->outtail];
 303
 304         hid_output_report(report, usbhid->outbuf);
 305         usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
 306         usbhid->urbout->dev = to_usb_device(hid->dev);
 307
 308         dbg("submitting out urb");
 309
 310         if (usb_submit_urb(usbhid->urbout, GFP_ATOMIC)) {
 311                 err("usb_submit_urb(out) failed");
 312                 return -1;
 313         }
 314
 315         return 0;
 316 }
 317
 318 static int hid_submit_ctrl(struct hid_device *hid)
 319 {
 320         struct hid_report *report;
 321         unsigned char dir;
 322         int len;
 323         struct usbhid_device *usbhid = hid->driver_data;
 324
 325         report = usbhid->ctrl[usbhid->ctrltail].report;
 326         dir = usbhid->ctrl[usbhid->ctrltail].dir;
 327
 328         len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
 329         if (dir == USB_DIR_OUT) {
 330                 hid_output_report(report, usbhid->ctrlbuf);
 331                 usbhid->urbctrl->pipe = usb_sndctrlpipe(to_usb_device(hid->dev), 0);
 332                 usbhid->urbctrl->transfer_buffer_length = len;
 333         } else {
 334                 int maxpacket, padlen;
 335
 336                 usbhid->urbctrl->pipe = usb_rcvctrlpipe(to_usb_device(hid->dev), 0);
 337                 maxpacket = usb_maxpacket(to_usb_device(hid->dev), usbhid->urbctrl->pipe, 0);
 338                 if (maxpacket > 0) {
 339                         padlen = (len + maxpacket - 1) / maxpacket;
 340                         padlen *= maxpacket;
 341                         if (padlen > usbhid->bufsize)
 342                                 padlen = usbhid->bufsize;
 343                 } else
 344                         padlen = 0;
 345                 usbhid->urbctrl->transfer_buffer_length = padlen;
 346         }
 347         usbhid->urbctrl->dev = to_usb_device(hid->dev);
 348
 349         usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir;
 350         usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT;
 351         usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id);
 352         usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum);
 353         usbhid->cr->wLength = cpu_to_le16(len);
 354
 355         dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
 356                 usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
 357                 usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength);
 358
 359         if (usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC)) {
 360                 err("usb_submit_urb(ctrl) failed");
 361                 return -1;
 362         }
 363
 364         return 0;
 365 }
 366
 367 /*
 368  * Output interrupt completion handler.
 369  */
 370
 371 static void hid_irq_out(struct urb *urb)
 372 {
 373         struct hid_device *hid = urb->context;
 374         struct usbhid_device *usbhid = hid->driver_data;
 375         unsigned long flags;
 376         int unplug = 0;
 377
 378         switch (urb->status) {
 379                 case 0:                 /* success */
 380                         break;
 381                 case -ESHUTDOWN:        /* unplug */
 382                         unplug = 1;
 383                 case -EILSEQ:           /* protocol error or unplug */
 384                 case -EPROTO:           /* protocol error or unplug */
 385                 case -ECONNRESET:       /* unlink */
 386                 case -ENOENT:
 387                         break;
 388                 default:                /* error */
 389                         warn("output irq status %d received", urb->status);
 390         }
 391
 392         spin_lock_irqsave(&usbhid->outlock, flags);
 393
 394         if (unplug)
 395                 usbhid->outtail = usbhid->outhead;
 396         else
 397                 usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
 398
 399         if (usbhid->outhead != usbhid->outtail) {
 400                 if (hid_submit_out(hid)) {
 401                         clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
 402                         wake_up(&hid->wait);
 403                 }
 404                 spin_unlock_irqrestore(&usbhid->outlock, flags);
 405                 return;
 406         }
 407
 408         clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
 409         spin_unlock_irqrestore(&usbhid->outlock, flags);
 410         wake_up(&hid->wait);
 411 }
 412
 413 /*
 414  * Control pipe completion handler.
 415  */
 416
 417 static void hid_ctrl(struct urb *urb)
 418 {
 419         struct hid_device *hid = urb->context;
 420         struct usbhid_device *usbhid = hid->driver_data;
 421         unsigned long flags;
 422         int unplug = 0;
 423
 424         spin_lock_irqsave(&usbhid->ctrllock, flags);
 425
 426         switch (urb->status) {
 427                 case 0:                 /* success */
 428                         if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN)
 429                                 hid_input_report(usbhid->ctrl[usbhid->ctrltail].report->type, urb, 0);
 430                         break;
 431                 case -ESHUTDOWN:        /* unplug */
 432                         unplug = 1;
 433                 case -EILSEQ:           /* protocol error or unplug */
 434                 case -EPROTO:           /* protocol error or unplug */
 435                 case -ECONNRESET:       /* unlink */
 436                 case -ENOENT:
 437                 case -EPIPE:            /* report not available */
 438                         break;
 439                 default:                /* error */
 440                         warn("ctrl urb status %d received", urb->status);
 441         }
 442
 443         if (unplug)
 444                 usbhid->ctrltail = usbhid->ctrlhead;
 445         else
 446                 usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
 447
 448         if (usbhid->ctrlhead != usbhid->ctrltail) {
 449                 if (hid_submit_ctrl(hid)) {
 450                         clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
 451                         wake_up(&hid->wait);
 452                 }
 453                 spin_unlock_irqrestore(&usbhid->ctrllock, flags);
 454                 return;
 455         }
 456
 457         clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
 458         spin_unlock_irqrestore(&usbhid->ctrllock, flags);
 459         wake_up(&hid->wait);
 460 }
 461
 462 void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
 463 {
 464         int head;
 465         unsigned long flags;
 466         struct usbhid_device *usbhid = hid->driver_data;
 467
 468         if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
 469                 return;
 470
 471         if (usbhid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
 472
 473                 spin_lock_irqsave(&usbhid->outlock, flags);
 474
 475                 if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) {
 476                         spin_unlock_irqrestore(&usbhid->outlock, flags);
 477                         warn("output queue full");
 478                         return;
 479                 }
 480
 481                 usbhid->out[usbhid->outhead] = report;
 482                 usbhid->outhead = head;
 483
 484                 if (!test_and_set_bit(HID_OUT_RUNNING, &usbhid->iofl))
 485                         if (hid_submit_out(hid))
 486                                 clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
 487
 488                 spin_unlock_irqrestore(&usbhid->outlock, flags);
 489                 return;
 490         }
 491
 492         spin_lock_irqsave(&usbhid->ctrllock, flags);
 493
 494         if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) {
 495                 spin_unlock_irqrestore(&usbhid->ctrllock, flags);
 496                 warn("control queue full");
 497                 return;
 498         }
 499
 500         usbhid->ctrl[usbhid->ctrlhead].report = report;
 501         usbhid->ctrl[usbhid->ctrlhead].dir = dir;
 502         usbhid->ctrlhead = head;
 503
 504         if (!test_and_set_bit(HID_CTRL_RUNNING, &usbhid->iofl))
 505                 if (hid_submit_ctrl(hid))
 506                         clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
 507
 508         spin_unlock_irqrestore(&usbhid->ctrllock, flags);
 509 }
 510
 511 static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 512 {
 513         struct hid_device *hid = dev->private;
 514         struct hid_field *field;
 515         int offset;
 516
 517         if (type == EV_FF)
 518                 return input_ff_event(dev, type, code, value);
 519
 520         if (type != EV_LED)
 521                 return -1;
 522
 523         if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
 524                 warn("event field not found");
 525                 return -1;
 526         }
 527
 528         hid_set_field(field, offset, value);
 529         usbhid_submit_report(hid, field->report, USB_DIR_OUT);
 530
 531         return 0;
 532 }
 533
 534 int usbhid_wait_io(struct hid_device *hid)
 535 {
 536         struct usbhid_device *usbhid = hid->driver_data;
 537
 538         if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl) &&
 539                                         !test_bit(HID_OUT_RUNNING, &usbhid->iofl)),
 540                                         10*HZ)) {
 541                 dbg("timeout waiting for ctrl or out queue to clear");
 542                 return -1;
 543         }
 544
 545         return 0;
 546 }
 547
 548 static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
 549 {
 550         return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 551                 HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report,
 552                 ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT);
 553 }
 554
 555 static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
 556                 unsigned char type, void *buf, int size)
 557 {
 558         int result, retries = 4;
 559
 560         memset(buf,0,size);     // Make sure we parse really received data
 561
 562         do {
 563                 result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 564                                 USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN,
 565                                 (type << 8), ifnum, buf, size, USB_CTRL_GET_TIMEOUT);
 566                 retries--;
 567         } while (result < size && retries);
 568         return result;
 569 }
 570
 571 int usbhid_open(struct hid_device *hid)
 572 {
 573         ++hid->open;
 574         if (hid_start_in(hid))
 575                 hid_io_error(hid);
 576         return 0;
 577 }
 578
 579 void usbhid_close(struct hid_device *hid)
 580 {
 581         struct usbhid_device *usbhid = hid->driver_data;
 582
 583         if (!--hid->open)
 584                 usb_kill_urb(usbhid->urbin);
 585 }
 586
 587 static int hidinput_open(struct input_dev *dev)
 588 {
 589         struct hid_device *hid = dev->private;
 590         return usbhid_open(hid);
 591 }
 592
 593 static void hidinput_close(struct input_dev *dev)
 594 {
 595         struct hid_device *hid = dev->private;
 596         usbhid_close(hid);
 597 }
 598
 599 #define USB_VENDOR_ID_PANJIT            0x134c
 600
 601 #define USB_VENDOR_ID_TURBOX            0x062a
 602 #define USB_DEVICE_ID_TURBOX_KEYBOARD   0x0201
 603
 604 /*
 605  * Initialize all reports
 606  */
 607
 608 void usbhid_init_reports(struct hid_device *hid)
 609 {
 610         struct hid_report *report;
 611         struct usbhid_device *usbhid = hid->driver_data;
 612         int err, ret;
 613
 614         list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
 615                 usbhid_submit_report(hid, report, USB_DIR_IN);
 616
 617         list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
 618                 usbhid_submit_report(hid, report, USB_DIR_IN);
 619
 620         err = 0;
 621         ret = usbhid_wait_io(hid);
 622         while (ret) {
 623                 err |= ret;
 624                 if (test_bit(HID_CTRL_RUNNING, &usbhid->iofl))
 625                         usb_kill_urb(usbhid->urbctrl);
 626                 if (test_bit(HID_OUT_RUNNING, &usbhid->iofl))
 627                         usb_kill_urb(usbhid->urbout);
 628                 ret = usbhid_wait_io(hid);
 629         }
 630
 631         if (err)
 632                 warn("timeout initializing reports");
 633 }
 634
 635 #define USB_VENDOR_ID_GTCO              0x078c
 636 #define USB_DEVICE_ID_GTCO_90           0x0090
 637 #define USB_DEVICE_ID_GTCO_100          0x0100
 638 #define USB_DEVICE_ID_GTCO_101          0x0101
 639 #define USB_DEVICE_ID_GTCO_103          0x0103
 640 #define USB_DEVICE_ID_GTCO_104          0x0104
 641 #define USB_DEVICE_ID_GTCO_105          0x0105
 642 #define USB_DEVICE_ID_GTCO_106          0x0106
 643 #define USB_DEVICE_ID_GTCO_107          0x0107
 644 #define USB_DEVICE_ID_GTCO_108          0x0108
 645 #define USB_DEVICE_ID_GTCO_200          0x0200
 646 #define USB_DEVICE_ID_GTCO_201          0x0201
 647 #define USB_DEVICE_ID_GTCO_202          0x0202
 648 #define USB_DEVICE_ID_GTCO_203          0x0203
 649 #define USB_DEVICE_ID_GTCO_204          0x0204
 650 #define USB_DEVICE_ID_GTCO_205          0x0205
 651 #define USB_DEVICE_ID_GTCO_206          0x0206
 652 #define USB_DEVICE_ID_GTCO_207          0x0207
 653 #define USB_DEVICE_ID_GTCO_300          0x0300
 654 #define USB_DEVICE_ID_GTCO_301          0x0301
 655 #define USB_DEVICE_ID_GTCO_302          0x0302
 656 #define USB_DEVICE_ID_GTCO_303          0x0303
 657 #define USB_DEVICE_ID_GTCO_304          0x0304
 658 #define USB_DEVICE_ID_GTCO_305          0x0305
 659 #define USB_DEVICE_ID_GTCO_306          0x0306
 660 #define USB_DEVICE_ID_GTCO_307          0x0307
 661 #define USB_DEVICE_ID_GTCO_308          0x0308
 662 #define USB_DEVICE_ID_GTCO_309          0x0309
 663 #define USB_DEVICE_ID_GTCO_400          0x0400
 664 #define USB_DEVICE_ID_GTCO_401          0x0401
 665 #define USB_DEVICE_ID_GTCO_402          0x0402
 666 #define USB_DEVICE_ID_GTCO_403          0x0403
 667 #define USB_DEVICE_ID_GTCO_404          0x0404
 668 #define USB_DEVICE_ID_GTCO_405          0x0405
 669 #define USB_DEVICE_ID_GTCO_500          0x0500
 670 #define USB_DEVICE_ID_GTCO_501          0x0501
 671 #define USB_DEVICE_ID_GTCO_502          0x0502
 672 #define USB_DEVICE_ID_GTCO_503          0x0503
 673 #define USB_DEVICE_ID_GTCO_504          0x0504
 674 #define USB_DEVICE_ID_GTCO_1000         0x1000
 675 #define USB_DEVICE_ID_GTCO_1001         0x1001
 676 #define USB_DEVICE_ID_GTCO_1002         0x1002
 677 #define USB_DEVICE_ID_GTCO_1003         0x1003
 678 #define USB_DEVICE_ID_GTCO_1004         0x1004
 679 #define USB_DEVICE_ID_GTCO_1005         0x1005
 680 #define USB_DEVICE_ID_GTCO_1006         0x1006
 681
 682 #define USB_VENDOR_ID_WACOM             0x056a
 683
 684 #define USB_VENDOR_ID_ACECAD            0x0460
 685 #define USB_DEVICE_ID_ACECAD_FLAIR      0x0004
 686 #define USB_DEVICE_ID_ACECAD_302        0x0008
 687
 688 #define USB_VENDOR_ID_KBGEAR            0x084e
 689 #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO  0x1001
 690
 691 #define USB_VENDOR_ID_AIPTEK            0x08ca
 692 #define USB_DEVICE_ID_AIPTEK_01         0x0001
 693 #define USB_DEVICE_ID_AIPTEK_10         0x0010
 694 #define USB_DEVICE_ID_AIPTEK_20         0x0020
 695 #define USB_DEVICE_ID_AIPTEK_21         0x0021
 696 #define USB_DEVICE_ID_AIPTEK_22         0x0022
 697 #define USB_DEVICE_ID_AIPTEK_23         0x0023
 698 #define USB_DEVICE_ID_AIPTEK_24         0x0024
 699
 700 #define USB_VENDOR_ID_GRIFFIN           0x077d
 701 #define USB_DEVICE_ID_POWERMATE         0x0410
 702 #define USB_DEVICE_ID_SOUNDKNOB         0x04AA
 703
 704 #define USB_VENDOR_ID_ATEN              0x0557
 705 #define USB_DEVICE_ID_ATEN_UC100KM      0x2004
 706 #define USB_DEVICE_ID_ATEN_CS124U       0x2202
 707 #define USB_DEVICE_ID_ATEN_2PORTKVM     0x2204
 708 #define USB_DEVICE_ID_ATEN_4PORTKVM     0x2205
 709 #define USB_DEVICE_ID_ATEN_4PORTKVMC    0x2208
 710
 711 #define USB_VENDOR_ID_TOPMAX            0x0663
 712 #define USB_DEVICE_ID_TOPMAX_COBRAPAD   0x0103
 713
 714 #define USB_VENDOR_ID_HAPP              0x078b
 715 #define USB_DEVICE_ID_UGCI_DRIVING      0x0010
 716 #define USB_DEVICE_ID_UGCI_FLYING       0x0020
 717 #define USB_DEVICE_ID_UGCI_FIGHTING     0x0030
 718
 719 #define USB_VENDOR_ID_MGE               0x0463
 720 #define USB_DEVICE_ID_MGE_UPS           0xffff
 721 #define USB_DEVICE_ID_MGE_UPS1          0x0001
 722
 723 #define USB_VENDOR_ID_ONTRAK            0x0a07
 724 #define USB_DEVICE_ID_ONTRAK_ADU100     0x0064
 725
 726 #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
 727 #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
 728
 729 #define USB_VENDOR_ID_A4TECH            0x09da
 730 #define USB_DEVICE_ID_A4TECH_WCP32PU    0x0006
 731
 732 #define USB_VENDOR_ID_AASHIMA           0x06d6
 733 #define USB_DEVICE_ID_AASHIMA_GAMEPAD   0x0025
 734 #define USB_DEVICE_ID_AASHIMA_PREDATOR  0x0026
 735
 736 #define USB_VENDOR_ID_CYPRESS           0x04b4
 737 #define USB_DEVICE_ID_CYPRESS_MOUSE     0x0001
 738 #define USB_DEVICE_ID_CYPRESS_HIDCOM    0x5500
 739 #define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE        0x7417
 740
 741 #define USB_VENDOR_ID_BERKSHIRE         0x0c98
 742 #define USB_DEVICE_ID_BERKSHIRE_PCWD    0x1140
 743
 744 #define USB_VENDOR_ID_ALPS              0x0433
 745 #define USB_DEVICE_ID_IBM_GAMEPAD       0x1101
 746
 747 #define USB_VENDOR_ID_SAITEK            0x06a3
 748 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD  0xff17
 749
 750 #define USB_VENDOR_ID_NEC               0x073e
 751 #define USB_DEVICE_ID_NEC_USB_GAME_PAD  0x0301
 752
 753 #define USB_VENDOR_ID_CHIC              0x05fe
 754 #define USB_DEVICE_ID_CHIC_GAMEPAD      0x0014
 755
 756 #define USB_VENDOR_ID_GLAB              0x06c2
 757 #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
 758 #define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
 759 #define USB_DEVICE_ID_0_0_4_IF_KIT      0x0040
 760 #define USB_DEVICE_ID_0_16_16_IF_KIT    0x0044
 761 #define USB_DEVICE_ID_8_8_8_IF_KIT      0x0045
 762 #define USB_DEVICE_ID_0_8_7_IF_KIT      0x0051
 763 #define USB_DEVICE_ID_0_8_8_IF_KIT      0x0053
 764 #define USB_DEVICE_ID_PHIDGET_MOTORCONTROL      0x0058
 765
 766 #define USB_VENDOR_ID_WISEGROUP         0x0925
 767 #define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101
 768 #define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104
 769 #define USB_DEVICE_ID_8_8_4_IF_KIT      0x8201
 770 #define USB_DEVICE_ID_DUAL_USB_JOYPAD   0x8866
 771
 772 #define USB_VENDOR_ID_WISEGROUP_LTD     0x6677
 773 #define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802
 774
 775 #define USB_VENDOR_ID_CODEMERCS         0x07c0
 776 #define USB_DEVICE_ID_CODEMERCS_IOW40   0x1500
 777 #define USB_DEVICE_ID_CODEMERCS_IOW24   0x1501
 778 #define USB_DEVICE_ID_CODEMERCS_IOW48   0x1502
 779 #define USB_DEVICE_ID_CODEMERCS_IOW28   0x1503
 780
 781 #define USB_VENDOR_ID_DELORME           0x1163
 782 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
 783 #define USB_DEVICE_ID_DELORME_EM_LT20   0x0200
 784
 785 #define USB_VENDOR_ID_MCC               0x09db
 786 #define USB_DEVICE_ID_MCC_PMD1024LS     0x0076
 787 #define USB_DEVICE_ID_MCC_PMD1208LS     0x007a
 788
 789 #define USB_VENDOR_ID_VERNIER           0x08f7
 790 #define USB_DEVICE_ID_VERNIER_LABPRO    0x0001
 791 #define USB_DEVICE_ID_VERNIER_GOTEMP    0x0002
 792 #define USB_DEVICE_ID_VERNIER_SKIP      0x0003
 793 #define USB_DEVICE_ID_VERNIER_CYCLOPS   0x0004
 794
 795 #define USB_VENDOR_ID_LD                0x0f11
 796 #define USB_DEVICE_ID_LD_CASSY          0x1000
 797 #define USB_DEVICE_ID_LD_POCKETCASSY    0x1010
 798 #define USB_DEVICE_ID_LD_MOBILECASSY    0x1020
 799 #define USB_DEVICE_ID_LD_JWM            0x1080
 800 #define USB_DEVICE_ID_LD_DMMP           0x1081
 801 #define USB_DEVICE_ID_LD_UMIP           0x1090
 802 #define USB_DEVICE_ID_LD_XRAY1          0x1100
 803 #define USB_DEVICE_ID_LD_XRAY2          0x1101
 804 #define USB_DEVICE_ID_LD_VIDEOCOM       0x1200
 805 #define USB_DEVICE_ID_LD_COM3LAB        0x2000
 806 #define USB_DEVICE_ID_LD_TELEPORT       0x2010
 807 #define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020
 808 #define USB_DEVICE_ID_LD_POWERCONTROL   0x2030
 809 #define USB_DEVICE_ID_LD_MACHINETEST    0x2040
 810
 811 #define USB_VENDOR_ID_APPLE             0x05ac
 812 #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304
 813 #define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI       0x020e
 814 #define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO        0x020f
 815 #define USB_DEVICE_ID_APPLE_GEYSER_ANSI 0x0214
 816 #define USB_DEVICE_ID_APPLE_GEYSER_ISO  0x0215
 817 #define USB_DEVICE_ID_APPLE_GEYSER_JIS  0x0216
 818 #define USB_DEVICE_ID_APPLE_GEYSER3_ANSI        0x0217
 819 #define USB_DEVICE_ID_APPLE_GEYSER3_ISO 0x0218
 820 #define USB_DEVICE_ID_APPLE_GEYSER3_JIS 0x0219
 821 #define USB_DEVICE_ID_APPLE_GEYSER4_ANSI        0x021a
 822 #define USB_DEVICE_ID_APPLE_GEYSER4_ISO 0x021b
 823 #define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c
 824 #define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY    0x030a
 825 #define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY     0x030b
 826
 827 #define USB_VENDOR_ID_CHERRY            0x046a
 828 #define USB_DEVICE_ID_CHERRY_CYMOTION   0x0023
 829
 830 #define USB_VENDOR_ID_YEALINK           0x6993
 831 #define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K       0xb001
 832
 833 #define USB_VENDOR_ID_ALCOR             0x058f
 834 #define USB_DEVICE_ID_ALCOR_USBRS232    0x9720
 835
 836 #define USB_VENDOR_ID_SUN               0x0430
 837 #define USB_DEVICE_ID_RARITAN_KVM_DONGLE        0xcdab
 838
 839 #define USB_VENDOR_ID_AIRCABLE          0x16CA
 840 #define USB_DEVICE_ID_AIRCABLE1         0x1502
 841
 842 #define USB_VENDOR_ID_LOGITECH          0x046d
 843 #define USB_DEVICE_ID_LOGITECH_USB_RECEIVER     0xc101
 844
 845 /*
 846  * Alphabetically sorted blacklist by quirk type.
 847  */
 848
 849 static const struct hid_blacklist {
 850         __u16 idVendor;
 851         __u16 idProduct;
 852         unsigned quirks;
 853 } hid_blacklist[] = {
 854
 855         { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE },
 856         { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10, HID_QUIRK_IGNORE },
 857         { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20, HID_QUIRK_IGNORE },
 858         { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21, HID_QUIRK_IGNORE },
 859         { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE },
 860         { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE },
 861         { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE },
 862         { USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1, HID_QUIRK_IGNORE },
 863         { USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232, HID_QUIRK_IGNORE },
 864         { USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
 865         { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW40, HID_QUIRK_IGNORE },
 866         { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24, HID_QUIRK_IGNORE },
 867         { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW48, HID_QUIRK_IGNORE },
 868         { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28, HID_QUIRK_IGNORE },
 869         { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
 870         { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
 871         { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
 872         { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
 873         { USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
 874         { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
 875         { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
 876         { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT, HID_QUIRK_IGNORE },
 877         { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT, HID_QUIRK_IGNORE },
 878         { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT, HID_QUIRK_IGNORE },
 879         { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT, HID_QUIRK_IGNORE },
 880         { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
 881         { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL, HID_QUIRK_IGNORE },
 882         { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
 883         { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
 884         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE },
 885         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE },
 886         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE },
 887         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE },
 888         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE },
 889         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE },
 890         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE },
 891         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE },
 892         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE },
 893         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE },
 894         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE },
 895         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE },
 896         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE },
 897         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE },
 898         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE },
 899         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE },
 900         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE },
 901         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE },
 902         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE },
 903         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE },
 904         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE },
 905         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE },
 906         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE },
 907         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE },
 908         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE },
 909         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE },
 910         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE },
 911         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE },
 912         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE },
 913         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE },
 914         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE },
 915         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
 916         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405, HID_QUIRK_IGNORE },
 917         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE },
 918         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE },
 919         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
 920         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
 921         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
 922         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
 923         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
 924         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
 925         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE },
 926         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
 927         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
 928         { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
 929         { USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
 930         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
 931         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE },
 932         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY, HID_QUIRK_IGNORE },
 933         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM, HID_QUIRK_IGNORE },
 934         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP, HID_QUIRK_IGNORE },
 935         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP, HID_QUIRK_IGNORE },
 936         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1, HID_QUIRK_IGNORE },
 937         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2, HID_QUIRK_IGNORE },
 938         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM, HID_QUIRK_IGNORE },
 939         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB, HID_QUIRK_IGNORE },
 940         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT, HID_QUIRK_IGNORE },
 941         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER, HID_QUIRK_IGNORE },
 942         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL, HID_QUIRK_IGNORE },
 943         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST, HID_QUIRK_IGNORE },
 944         { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS, HID_QUIRK_IGNORE },
 945         { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS, HID_QUIRK_IGNORE },
 946         { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE },
 947         { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE },
 948         { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE },
 949         { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20, HID_QUIRK_IGNORE },
 950         { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30, HID_QUIRK_IGNORE },
 951         { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
 952         { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108, HID_QUIRK_IGNORE },
 953         { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118, HID_QUIRK_IGNORE },
 954         { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE },
 955         { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE },
 956         { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE },
 957         { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE },
 958         { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO, HID_QUIRK_IGNORE },
 959         { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
 960         { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
 961         { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
 962         { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
 963         { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
 964         { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT, HID_QUIRK_IGNORE },
 965         { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE },
 966
 967         { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
 968         { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },
 969
 970         { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
 971         { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
 972         { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
 973         { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
 974         { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
 975         { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
 976         { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 977         { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 978
 979         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },
 980         { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
 981         { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
 982
 983         { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
 984         { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
 985         { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
 986         { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
 987         { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
 988         { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
 989         { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
 990         { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
 991         { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
 992         { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
 993
 994         { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },
 995
 996         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
 997         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_POWERBOOK_HAS_FN },
 998         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
 999         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
1000         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
1001         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
1002         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
1003         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
1004         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
1005         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_POWERBOOK_HAS_FN },
1006         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
1007         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN },
1008         { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN },
1009
1010         { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE },
1011         { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE },
1012         { USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE },
1013         { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE },
1014
1015         { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
1016
1017         { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_USB_RECEIVER, HID_QUIRK_BAD_RELATIVE_KEYS },
1018
1019         { 0, 0 }
1020 };
1021
1022 /*
1023  * Traverse the supplied list of reports and find the longest
1024  */
1025 static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
1026 {
1027         struct hid_report *report;
1028         int size;
1029
1030         list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
1031                 size = ((report->size - 1) >> 3) + 1;
1032                 if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
1033                         size++;
1034                 if (*max < size)
1035                         *max = size;
1036         }
1037 }
1038
1039 static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
1040 {
1041         struct usbhid_device *usbhid = hid->driver_data;
1042
1043         if (!(usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->inbuf_dma)))
1044                 return -1;
1045         if (!(usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->outbuf_dma)))
1046                 return -1;
1047         if (!(usbhid->cr = usb_buffer_alloc(dev, sizeof(*(usbhid->cr)), GFP_ATOMIC, &usbhid->cr_dma)))
1048                 return -1;
1049         if (!(usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->ctrlbuf_dma)))
1050                 return -1;
1051
1052         return 0;
1053 }
1054
1055 static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
1056 {
1057         struct usbhid_device *usbhid = hid->driver_data;
1058
1059         if (usbhid->inbuf)
1060                 usb_buffer_free(dev, usbhid->bufsize, usbhid->inbuf, usbhid->inbuf_dma);
1061         if (usbhid->outbuf)
1062                 usb_buffer_free(dev, usbhid->bufsize, usbhid->outbuf, usbhid->outbuf_dma);
1063         if (usbhid->cr)
1064                 usb_buffer_free(dev, sizeof(*(usbhid->cr)), usbhid->cr, usbhid->cr_dma);
1065         if (usbhid->ctrlbuf)
1066                 usb_buffer_free(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma);
1067 }
1068
1069 /*
1070  * Cherry Cymotion keyboard have an invalid HID report descriptor,
1071  * that needs fixing before we can parse it.
1072  */
1073
1074 static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize)
1075 {
1076         if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
1077                 info("Fixing up Cherry Cymotion report descriptor");
1078                 rdesc[11] = rdesc[16] = 0xff;
1079                 rdesc[12] = rdesc[17] = 0x03;
1080         }
1081 }
1082
1083 static struct hid_device *usb_hid_configure(struct usb_interface *intf)
1084 {
1085         struct usb_host_interface *interface = intf->cur_altsetting;
1086         struct usb_device *dev = interface_to_usbdev (intf);
1087         struct hid_descriptor *hdesc;
1088         struct hid_device *hid;
1089         unsigned quirks = 0, rsize = 0;
1090         char *rdesc;
1091         int n, len, insize = 0;
1092         struct usbhid_device *usbhid;
1093
1094         /* Ignore all Wacom devices */
1095         if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_WACOM)
1096                 return NULL;
1097
1098         for (n = 0; hid_blacklist[n].idVendor; n++)
1099                 if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
1100                         (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct)))
1101                                 quirks = hid_blacklist[n].quirks;
1102
1103         /* Many keyboards and mice don't like to be polled for reports,
1104          * so we will always set the HID_QUIRK_NOGET flag for them. */
1105         if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {
1106                 if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD ||
1107                         interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
1108                                 quirks |= HID_QUIRK_NOGET;
1109         }
1110
1111         if (quirks & HID_QUIRK_IGNORE)
1112                 return NULL;
1113
1114         if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
1115             (!interface->desc.bNumEndpoints ||
1116              usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
1117                 dbg("class descriptor not present\n");
1118                 return NULL;
1119         }
1120
1121         for (n = 0; n < hdesc->bNumDescriptors; n++)
1122                 if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
1123                         rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
1124
1125         if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
1126                 dbg("weird size of report descriptor (%u)", rsize);
1127                 return NULL;
1128         }
1129
1130         if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) {
1131                 dbg("couldn't allocate rdesc memory");
1132                 return NULL;
1133         }
1134
1135         hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
1136
1137         if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) {
1138                 dbg("reading report descriptor failed");
1139                 kfree(rdesc);
1140                 return NULL;
1141         }
1142
1143         if ((quirks & HID_QUIRK_CYMOTION))
1144                 hid_fixup_cymotion_descriptor(rdesc, rsize);
1145
1146 #ifdef DEBUG_DATA
1147         printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n);
1148         for (n = 0; n < rsize; n++)
1149                 printk(" %02x", (unsigned char) rdesc[n]);
1150         printk("\n");
1151 #endif
1152
1153         if (!(hid = hid_parse_report(rdesc, n))) {
1154                 dbg("parsing report descriptor failed");
1155                 kfree(rdesc);
1156                 return NULL;
1157         }
1158
1159         kfree(rdesc);
1160         hid->quirks = quirks;
1161
1162         if (!(usbhid = kzalloc(sizeof(struct usbhid_device), GFP_KERNEL)))
1163                 goto fail;
1164
1165         hid->driver_data = usbhid;
1166         usbhid->hid = hid;
1167
1168         usbhid->bufsize = HID_MIN_BUFFER_SIZE;
1169         hid_find_max_report(hid, HID_INPUT_REPORT, &usbhid->bufsize);
1170         hid_find_max_report(hid, HID_OUTPUT_REPORT, &usbhid->bufsize);
1171         hid_find_max_report(hid, HID_FEATURE_REPORT, &usbhid->bufsize);
1172
1173         if (usbhid->bufsize > HID_MAX_BUFFER_SIZE)
1174                 usbhid->bufsize = HID_MAX_BUFFER_SIZE;
1175
1176         hid_find_max_report(hid, HID_INPUT_REPORT, &insize);
1177
1178         if (insize > HID_MAX_BUFFER_SIZE)
1179                 insize = HID_MAX_BUFFER_SIZE;
1180
1181         if (hid_alloc_buffers(dev, hid)) {
1182                 hid_free_buffers(dev, hid);
1183                 goto fail;
1184         }
1185
1186         for (n = 0; n < interface->desc.bNumEndpoints; n++) {
1187
1188                 struct usb_endpoint_descriptor *endpoint;
1189                 int pipe;
1190                 int interval;
1191
1192                 endpoint = &interface->endpoint[n].desc;
1193                 if ((endpoint->bmAttributes & 3) != 3)          /* Not an interrupt endpoint */
1194                         continue;
1195
1196                 interval = endpoint->bInterval;
1197
1198                 /* Change the polling interval of mice. */
1199                 if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
1200                         interval = hid_mousepoll_interval;
1201
1202                 if (usb_endpoint_dir_in(endpoint)) {
1203                         if (usbhid->urbin)
1204                                 continue;
1205                         if (!(usbhid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
1206                                 goto fail;
1207                         pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
1208                         usb_fill_int_urb(usbhid->urbin, dev, pipe, usbhid->inbuf, insize,
1209                                          hid_irq_in, hid, interval);
1210                         usbhid->urbin->transfer_dma = usbhid->inbuf_dma;
1211                         usbhid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1212                 } else {
1213                         if (usbhid->urbout)
1214                                 continue;
1215                         if (!(usbhid->urbout = usb_alloc_urb(0, GFP_KERNEL)))
1216                                 goto fail;
1217                         pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress);
1218                         usb_fill_int_urb(usbhid->urbout, dev, pipe, usbhid->outbuf, 0,
1219                                          hid_irq_out, hid, interval);
1220                         usbhid->urbout->transfer_dma = usbhid->outbuf_dma;
1221                         usbhid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1222                 }
1223         }
1224
1225         if (!usbhid->urbin) {
1226                 err("couldn't find an input interrupt endpoint");
1227                 goto fail;
1228         }
1229
1230         init_waitqueue_head(&hid->wait);
1231
1232         INIT_WORK(&usbhid->reset_work, hid_reset);
1233         setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
1234
1235         spin_lock_init(&usbhid->inlock);
1236         spin_lock_init(&usbhid->outlock);
1237         spin_lock_init(&usbhid->ctrllock);
1238
1239         hid->version = le16_to_cpu(hdesc->bcdHID);
1240         hid->country = hdesc->bCountryCode;
1241         hid->dev = &dev->dev;
1242         usbhid->intf = intf;
1243         usbhid->ifnum = interface->desc.bInterfaceNumber;
1244
1245         hid->name[0] = 0;
1246
1247         if (dev->manufacturer)
1248                 strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
1249
1250         if (dev->product) {
1251                 if (dev->manufacturer)
1252                         strlcat(hid->name, " ", sizeof(hid->name));
1253                 strlcat(hid->name, dev->product, sizeof(hid->name));
1254         }
1255
1256         if (!strlen(hid->name))
1257                 snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
1258                          le16_to_cpu(dev->descriptor.idVendor),
1259                          le16_to_cpu(dev->descriptor.idProduct));
1260
1261         hid->bus = BUS_USB;
1262         hid->vendor = dev->descriptor.idVendor;
1263         hid->product = dev->descriptor.idProduct;
1264
1265         usb_make_path(dev, hid->phys, sizeof(hid->phys));
1266         strlcat(hid->phys, "/input", sizeof(hid->phys));
1267         len = strlen(hid->phys);
1268         if (len < sizeof(hid->phys) - 1)
1269                 snprintf(hid->phys + len, sizeof(hid->phys) - len,
1270                          "%d", intf->altsetting[0].desc.bInterfaceNumber);
1271
1272         if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
1273                 hid->uniq[0] = 0;
1274
1275         usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
1276         if (!usbhid->urbctrl)
1277                 goto fail;
1278
1279         usb_fill_control_urb(usbhid->urbctrl, dev, 0, (void *) usbhid->cr,
1280                              usbhid->ctrlbuf, 1, hid_ctrl, hid);
1281         usbhid->urbctrl->setup_dma = usbhid->cr_dma;
1282         usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma;
1283         usbhid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
1284         hid->hidinput_input_event = usb_hidinput_input_event;
1285         hid->hidinput_open = hidinput_open;
1286         hid->hidinput_close = hidinput_close;
1287
1288         return hid;
1289
1290 fail:
1291         usb_free_urb(usbhid->urbin);
1292         usb_free_urb(usbhid->urbout);
1293         usb_free_urb(usbhid->urbctrl);
1294         hid_free_buffers(dev, hid);
1295         hid_free_device(hid);
1296
1297         return NULL;
1298 }
1299
1300 static void hid_disconnect(struct usb_interface *intf)
1301 {
1302         struct hid_device *hid = usb_get_intfdata (intf);
1303         struct usbhid_device *usbhid;
1304
1305         if (!hid)
1306                 return;
1307
1308         usbhid = hid->driver_data;
1309
1310         spin_lock_irq(&usbhid->inlock); /* Sync with error handler */
1311         usb_set_intfdata(intf, NULL);
1312         spin_unlock_irq(&usbhid->inlock);
1313         usb_kill_urb(usbhid->urbin);
1314         usb_kill_urb(usbhid->urbout);
1315         usb_kill_urb(usbhid->urbctrl);
1316
1317         del_timer_sync(&usbhid->io_retry);
1318         flush_scheduled_work();
1319
1320         if (hid->claimed & HID_CLAIMED_INPUT)
1321                 hidinput_disconnect(hid);
1322         if (hid->claimed & HID_CLAIMED_HIDDEV)
1323                 hiddev_disconnect(hid);
1324
1325         usb_free_urb(usbhid->urbin);
1326         usb_free_urb(usbhid->urbctrl);
1327         usb_free_urb(usbhid->urbout);
1328
1329         hid_free_buffers(to_usb_device(hid->dev), hid);
1330         hid_free_device(hid);
1331 }
1332
1333 static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
1334 {
1335         struct hid_device *hid;
1336         char path[64];
1337         int i;
1338         char *c;
1339
1340         dbg("HID probe called for ifnum %d",
1341                         intf->altsetting->desc.bInterfaceNumber);
1342
1343         if (!(hid = usb_hid_configure(intf)))
1344                 return -ENODEV;
1345
1346         usbhid_init_reports(hid);
1347         hid_dump_device(hid);
1348
1349         if (!hidinput_connect(hid))
1350                 hid->claimed |= HID_CLAIMED_INPUT;
1351         if (!hiddev_connect(hid))
1352                 hid->claimed |= HID_CLAIMED_HIDDEV;
1353
1354         usb_set_intfdata(intf, hid);
1355
1356         if (!hid->claimed) {
1357                 printk ("HID device not claimed by input or hiddev\n");
1358                 hid_disconnect(intf);
1359                 return -ENODEV;
1360         }
1361
1362         /* This only gets called when we are a single-input (most of the
1363          * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
1364          * only useful in this case, and not for multi-input quirks. */
1365         if ((hid->claimed & HID_CLAIMED_INPUT) &&
1366                         !(hid->quirks & HID_QUIRK_MULTI_INPUT))
1367                 hid_ff_init(hid);
1368
1369         printk(KERN_INFO);
1370
1371         if (hid->claimed & HID_CLAIMED_INPUT)
1372                 printk("input");
1373         if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV))
1374                 printk(",");
1375         if (hid->claimed & HID_CLAIMED_HIDDEV)
1376                 printk("hiddev%d", hid->minor);
1377
1378         c = "Device";
1379         for (i = 0; i < hid->maxcollection; i++) {
1380                 if (hid->collection[i].type == HID_COLLECTION_APPLICATION &&
1381                     (hid->collection[i].usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1382                     (hid->collection[i].usage & 0xffff) < ARRAY_SIZE(hid_types)) {
1383                         c = hid_types[hid->collection[i].usage & 0xffff];
1384                         break;
1385                 }
1386         }
1387
1388         usb_make_path(interface_to_usbdev(intf), path, 63);
1389
1390         printk(": USB HID v%x.%02x %s [%s] on %s\n",
1391                 hid->version >> 8, hid->version & 0xff, c, hid->name, path);
1392
1393         return 0;
1394 }
1395
1396 static int hid_suspend(struct usb_interface *intf, pm_message_t message)
1397 {
1398         struct hid_device *hid = usb_get_intfdata (intf);
1399         struct usbhid_device *usbhid = hid->driver_data;
1400
1401         spin_lock_irq(&usbhid->inlock); /* Sync with error handler */
1402         set_bit(HID_SUSPENDED, &usbhid->iofl);
1403         spin_unlock_irq(&usbhid->inlock);
1404         del_timer(&usbhid->io_retry);
1405         usb_kill_urb(usbhid->urbin);
1406         dev_dbg(&intf->dev, "suspend\n");
1407         return 0;
1408 }
1409
1410 static int hid_resume(struct usb_interface *intf)
1411 {
1412         struct hid_device *hid = usb_get_intfdata (intf);
1413         struct usbhid_device *usbhid = hid->driver_data;
1414         int status;
1415
1416         clear_bit(HID_SUSPENDED, &usbhid->iofl);
1417         usbhid->retry_delay = 0;
1418         status = hid_start_in(hid);
1419         dev_dbg(&intf->dev, "resume status %d\n", status);
1420         return status;
1421 }
1422
1423 /* Treat USB reset pretty much the same as suspend/resume */
1424 static void hid_pre_reset(struct usb_interface *intf)
1425 {
1426         /* FIXME: What if the interface is already suspended? */
1427         hid_suspend(intf, PMSG_ON);
1428 }
1429
1430 static void hid_post_reset(struct usb_interface *intf)
1431 {
1432         struct usb_device *dev = interface_to_usbdev (intf);
1433
1434         hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0);
1435         /* FIXME: Any more reinitialization needed? */
1436
1437         hid_resume(intf);
1438 }
1439
1440 static struct usb_device_id hid_usb_ids [] = {
1441         { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
1442                 .bInterfaceClass = USB_INTERFACE_CLASS_HID },
1443         { }                                             /* Terminating entry */
1444 };
1445
1446 MODULE_DEVICE_TABLE (usb, hid_usb_ids);
1447
1448 static struct usb_driver hid_driver = {
1449         .name =         "usbhid",
1450         .probe =        hid_probe,
1451         .disconnect =   hid_disconnect,
1452         .suspend =      hid_suspend,
1453         .resume =       hid_resume,
1454         .pre_reset =    hid_pre_reset,
1455         .post_reset =   hid_post_reset,
1456         .id_table =     hid_usb_ids,
1457 };
1458
1459 static int __init hid_init(void)
1460 {
1461         int retval;
1462         retval = hiddev_init();
1463         if (retval)
1464                 goto hiddev_init_fail;
1465         retval = usb_register(&hid_driver);
1466         if (retval)
1467                 goto usb_register_fail;
1468         info(DRIVER_VERSION ":" DRIVER_DESC);
1469
1470         return 0;
1471 usb_register_fail:
1472         hiddev_exit();
1473 hiddev_init_fail:
1474         return retval;
1475 }
1476
1477 static void __exit hid_exit(void)
1478 {
1479         usb_deregister(&hid_driver);
1480         hiddev_exit();
1481 }
1482
1483 module_init(hid_init);
1484 module_exit(hid_exit);
1485
1486 MODULE_AUTHOR(DRIVER_AUTHOR);
1487 MODULE_DESCRIPTION(DRIVER_DESC);
1488 MODULE_LICENSE(DRIVER_LICENSE);