linux/drivers/hid/hid-magicmouse.c
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   1/*
   2 *   Apple "Magic" Wireless Mouse driver
   3 *
   4 *   Copyright (c) 2010 Michael Poole <mdpoole@troilus.org>
   5 *   Copyright (c) 2010 Chase Douglas <chase.douglas@canonical.com>
   6 */
   7
   8/*
   9 * This program is free software; you can redistribute it and/or modify it
  10 * under the terms of the GNU General Public License as published by the Free
  11 * Software Foundation; either version 2 of the License, or (at your option)
  12 * any later version.
  13 */
  14
  15#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  16
  17#include <linux/device.h>
  18#include <linux/hid.h>
  19#include <linux/input/mt.h>
  20#include <linux/module.h>
  21#include <linux/slab.h>
  22
  23#include "hid-ids.h"
  24
  25static bool emulate_3button = true;
  26module_param(emulate_3button, bool, 0644);
  27MODULE_PARM_DESC(emulate_3button, "Emulate a middle button");
  28
  29static int middle_button_start = -350;
  30static int middle_button_stop = +350;
  31
  32static bool emulate_scroll_wheel = true;
  33module_param(emulate_scroll_wheel, bool, 0644);
  34MODULE_PARM_DESC(emulate_scroll_wheel, "Emulate a scroll wheel");
  35
  36static unsigned int scroll_speed = 32;
  37static int param_set_scroll_speed(const char *val, struct kernel_param *kp) {
  38        unsigned long speed;
  39        if (!val || kstrtoul(val, 0, &speed) || speed > 63)
  40                return -EINVAL;
  41        scroll_speed = speed;
  42        return 0;
  43}
  44module_param_call(scroll_speed, param_set_scroll_speed, param_get_uint, &scroll_speed, 0644);
  45MODULE_PARM_DESC(scroll_speed, "Scroll speed, value from 0 (slow) to 63 (fast)");
  46
  47static bool scroll_acceleration = false;
  48module_param(scroll_acceleration, bool, 0644);
  49MODULE_PARM_DESC(scroll_acceleration, "Accelerate sequential scroll events");
  50
  51static bool report_undeciphered;
  52module_param(report_undeciphered, bool, 0644);
  53MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state field using a MSC_RAW event");
  54
  55#define TRACKPAD_REPORT_ID 0x28
  56#define MOUSE_REPORT_ID    0x29
  57#define DOUBLE_REPORT_ID   0xf7
  58/* These definitions are not precise, but they're close enough.  (Bits
  59 * 0x03 seem to indicate the aspect ratio of the touch, bits 0x70 seem
  60 * to be some kind of bit mask -- 0x20 may be a near-field reading,
  61 * and 0x40 is actual contact, and 0x10 may be a start/stop or change
  62 * indication.)
  63 */
  64#define TOUCH_STATE_MASK  0xf0
  65#define TOUCH_STATE_NONE  0x00
  66#define TOUCH_STATE_START 0x30
  67#define TOUCH_STATE_DRAG  0x40
  68
  69#define SCROLL_ACCEL_DEFAULT 7
  70
  71/* Touch surface information. Dimension is in hundredths of a mm, min and max
  72 * are in units. */
  73#define MOUSE_DIMENSION_X (float)9056
  74#define MOUSE_MIN_X -1100
  75#define MOUSE_MAX_X 1258
  76#define MOUSE_RES_X ((MOUSE_MAX_X - MOUSE_MIN_X) / (MOUSE_DIMENSION_X / 100))
  77#define MOUSE_DIMENSION_Y (float)5152
  78#define MOUSE_MIN_Y -1589
  79#define MOUSE_MAX_Y 2047
  80#define MOUSE_RES_Y ((MOUSE_MAX_Y - MOUSE_MIN_Y) / (MOUSE_DIMENSION_Y / 100))
  81
  82#define TRACKPAD_DIMENSION_X (float)13000
  83#define TRACKPAD_MIN_X -2909
  84#define TRACKPAD_MAX_X 3167
  85#define TRACKPAD_RES_X \
  86        ((TRACKPAD_MAX_X - TRACKPAD_MIN_X) / (TRACKPAD_DIMENSION_X / 100))
  87#define TRACKPAD_DIMENSION_Y (float)11000
  88#define TRACKPAD_MIN_Y -2456
  89#define TRACKPAD_MAX_Y 2565
  90#define TRACKPAD_RES_Y \
  91        ((TRACKPAD_MAX_Y - TRACKPAD_MIN_Y) / (TRACKPAD_DIMENSION_Y / 100))
  92
  93/**
  94 * struct magicmouse_sc - Tracks Magic Mouse-specific data.
  95 * @input: Input device through which we report events.
  96 * @quirks: Currently unused.
  97 * @ntouches: Number of touches in most recent touch report.
  98 * @scroll_accel: Number of consecutive scroll motions.
  99 * @scroll_jiffies: Time of last scroll motion.
 100 * @touches: Most recent data for a touch, indexed by tracking ID.
 101 * @tracking_ids: Mapping of current touch input data to @touches.
 102 */
 103struct magicmouse_sc {
 104        struct input_dev *input;
 105        unsigned long quirks;
 106
 107        int ntouches;
 108        int scroll_accel;
 109        unsigned long scroll_jiffies;
 110
 111        struct {
 112                short x;
 113                short y;
 114                short scroll_x;
 115                short scroll_y;
 116                u8 size;
 117        } touches[16];
 118        int tracking_ids[16];
 119};
 120
 121static int magicmouse_firm_touch(struct magicmouse_sc *msc)
 122{
 123        int touch = -1;
 124        int ii;
 125
 126        /* If there is only one "firm" touch, set touch to its
 127         * tracking ID.
 128         */
 129        for (ii = 0; ii < msc->ntouches; ii++) {
 130                int idx = msc->tracking_ids[ii];
 131                if (msc->touches[idx].size < 8) {
 132                        /* Ignore this touch. */
 133                } else if (touch >= 0) {
 134                        touch = -1;
 135                        break;
 136                } else {
 137                        touch = idx;
 138                }
 139        }
 140
 141        return touch;
 142}
 143
 144static void magicmouse_emit_buttons(struct magicmouse_sc *msc, int state)
 145{
 146        int last_state = test_bit(BTN_LEFT, msc->input->key) << 0 |
 147                test_bit(BTN_RIGHT, msc->input->key) << 1 |
 148                test_bit(BTN_MIDDLE, msc->input->key) << 2;
 149
 150        if (emulate_3button) {
 151                int id;
 152
 153                /* If some button was pressed before, keep it held
 154                 * down.  Otherwise, if there's exactly one firm
 155                 * touch, use that to override the mouse's guess.
 156                 */
 157                if (state == 0) {
 158                        /* The button was released. */
 159                } else if (last_state != 0) {
 160                        state = last_state;
 161                } else if ((id = magicmouse_firm_touch(msc)) >= 0) {
 162                        int x = msc->touches[id].x;
 163                        if (x < middle_button_start)
 164                                state = 1;
 165                        else if (x > middle_button_stop)
 166                                state = 2;
 167                        else
 168                                state = 4;
 169                } /* else: we keep the mouse's guess */
 170
 171                input_report_key(msc->input, BTN_MIDDLE, state & 4);
 172        }
 173
 174        input_report_key(msc->input, BTN_LEFT, state & 1);
 175        input_report_key(msc->input, BTN_RIGHT, state & 2);
 176
 177        if (state != last_state)
 178                msc->scroll_accel = SCROLL_ACCEL_DEFAULT;
 179}
 180
 181static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tdata)
 182{
 183        struct input_dev *input = msc->input;
 184        int id, x, y, size, orientation, touch_major, touch_minor, state, down;
 185
 186        if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
 187                id = (tdata[6] << 2 | tdata[5] >> 6) & 0xf;
 188                x = (tdata[1] << 28 | tdata[0] << 20) >> 20;
 189                y = -((tdata[2] << 24 | tdata[1] << 16) >> 20);
 190                size = tdata[5] & 0x3f;
 191                orientation = (tdata[6] >> 2) - 32;
 192                touch_major = tdata[3];
 193                touch_minor = tdata[4];
 194                state = tdata[7] & TOUCH_STATE_MASK;
 195                down = state != TOUCH_STATE_NONE;
 196        } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
 197                id = (tdata[7] << 2 | tdata[6] >> 6) & 0xf;
 198                x = (tdata[1] << 27 | tdata[0] << 19) >> 19;
 199                y = -((tdata[3] << 30 | tdata[2] << 22 | tdata[1] << 14) >> 19);
 200                size = tdata[6] & 0x3f;
 201                orientation = (tdata[7] >> 2) - 32;
 202                touch_major = tdata[4];
 203                touch_minor = tdata[5];
 204                state = tdata[8] & TOUCH_STATE_MASK;
 205                down = state != TOUCH_STATE_NONE;
 206        }
 207
 208        /* Store tracking ID and other fields. */
 209        msc->tracking_ids[raw_id] = id;
 210        msc->touches[id].x = x;
 211        msc->touches[id].y = y;
 212        msc->touches[id].size = size;
 213
 214        /* If requested, emulate a scroll wheel by detecting small
 215         * vertical touch motions.
 216         */
 217        if (emulate_scroll_wheel) {
 218                unsigned long now = jiffies;
 219                int step_x = msc->touches[id].scroll_x - x;
 220                int step_y = msc->touches[id].scroll_y - y;
 221
 222                /* Calculate and apply the scroll motion. */
 223                switch (state) {
 224                case TOUCH_STATE_START:
 225                        msc->touches[id].scroll_x = x;
 226                        msc->touches[id].scroll_y = y;
 227
 228                        /* Reset acceleration after half a second. */
 229                        if (scroll_acceleration && time_before(now,
 230                                                msc->scroll_jiffies + HZ / 2))
 231                                msc->scroll_accel = max_t(int,
 232                                                msc->scroll_accel - 1, 1);
 233                        else
 234                                msc->scroll_accel = SCROLL_ACCEL_DEFAULT;
 235
 236                        break;
 237                case TOUCH_STATE_DRAG:
 238                        step_x /= (64 - (int)scroll_speed) * msc->scroll_accel;
 239                        if (step_x != 0) {
 240                                msc->touches[id].scroll_x -= step_x *
 241                                        (64 - scroll_speed) * msc->scroll_accel;
 242                                msc->scroll_jiffies = now;
 243                                input_report_rel(input, REL_HWHEEL, -step_x);
 244                        }
 245
 246                        step_y /= (64 - (int)scroll_speed) * msc->scroll_accel;
 247                        if (step_y != 0) {
 248                                msc->touches[id].scroll_y -= step_y *
 249                                        (64 - scroll_speed) * msc->scroll_accel;
 250                                msc->scroll_jiffies = now;
 251                                input_report_rel(input, REL_WHEEL, step_y);
 252                        }
 253                        break;
 254                }
 255        }
 256
 257        if (down)
 258                msc->ntouches++;
 259
 260        input_mt_slot(input, id);
 261        input_mt_report_slot_state(input, MT_TOOL_FINGER, down);
 262
 263        /* Generate the input events for this touch. */
 264        if (down) {
 265                input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major << 2);
 266                input_report_abs(input, ABS_MT_TOUCH_MINOR, touch_minor << 2);
 267                input_report_abs(input, ABS_MT_ORIENTATION, -orientation);
 268                input_report_abs(input, ABS_MT_POSITION_X, x);
 269                input_report_abs(input, ABS_MT_POSITION_Y, y);
 270
 271                if (report_undeciphered) {
 272                        if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE)
 273                                input_event(input, EV_MSC, MSC_RAW, tdata[7]);
 274                        else /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
 275                                input_event(input, EV_MSC, MSC_RAW, tdata[8]);
 276                }
 277        }
 278}
 279
 280static int magicmouse_raw_event(struct hid_device *hdev,
 281                struct hid_report *report, u8 *data, int size)
 282{
 283        struct magicmouse_sc *msc = hid_get_drvdata(hdev);
 284        struct input_dev *input = msc->input;
 285        int x = 0, y = 0, ii, clicks = 0, npoints;
 286
 287        switch (data[0]) {
 288        case TRACKPAD_REPORT_ID:
 289                /* Expect four bytes of prefix, and N*9 bytes of touch data. */
 290                if (size < 4 || ((size - 4) % 9) != 0)
 291                        return 0;
 292                npoints = (size - 4) / 9;
 293                if (npoints > 15) {
 294                        hid_warn(hdev, "invalid size value (%d) for TRACKPAD_REPORT_ID\n",
 295                                        size);
 296                        return 0;
 297                }
 298                msc->ntouches = 0;
 299                for (ii = 0; ii < npoints; ii++)
 300                        magicmouse_emit_touch(msc, ii, data + ii * 9 + 4);
 301
 302                clicks = data[1];
 303
 304                /* The following bits provide a device specific timestamp. They
 305                 * are unused here.
 306                 *
 307                 * ts = data[1] >> 6 | data[2] << 2 | data[3] << 10;
 308                 */
 309                break;
 310        case MOUSE_REPORT_ID:
 311                /* Expect six bytes of prefix, and N*8 bytes of touch data. */
 312                if (size < 6 || ((size - 6) % 8) != 0)
 313                        return 0;
 314                npoints = (size - 6) / 8;
 315                if (npoints > 15) {
 316                        hid_warn(hdev, "invalid size value (%d) for MOUSE_REPORT_ID\n",
 317                                        size);
 318                        return 0;
 319                }
 320                msc->ntouches = 0;
 321                for (ii = 0; ii < npoints; ii++)
 322                        magicmouse_emit_touch(msc, ii, data + ii * 8 + 6);
 323
 324                /* When emulating three-button mode, it is important
 325                 * to have the current touch information before
 326                 * generating a click event.
 327                 */
 328                x = (int)(((data[3] & 0x0c) << 28) | (data[1] << 22)) >> 22;
 329                y = (int)(((data[3] & 0x30) << 26) | (data[2] << 22)) >> 22;
 330                clicks = data[3];
 331
 332                /* The following bits provide a device specific timestamp. They
 333                 * are unused here.
 334                 *
 335                 * ts = data[3] >> 6 | data[4] << 2 | data[5] << 10;
 336                 */
 337                break;
 338        case DOUBLE_REPORT_ID:
 339                /* Sometimes the trackpad sends two touch reports in one
 340                 * packet.
 341                 */
 342                magicmouse_raw_event(hdev, report, data + 2, data[1]);
 343                magicmouse_raw_event(hdev, report, data + 2 + data[1],
 344                        size - 2 - data[1]);
 345                break;
 346        default:
 347                return 0;
 348        }
 349
 350        if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
 351                magicmouse_emit_buttons(msc, clicks & 3);
 352                input_report_rel(input, REL_X, x);
 353                input_report_rel(input, REL_Y, y);
 354        } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
 355                input_report_key(input, BTN_MOUSE, clicks & 1);
 356                input_mt_report_pointer_emulation(input, true);
 357        }
 358
 359        input_sync(input);
 360        return 1;
 361}
 362
 363static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hdev)
 364{
 365        int error;
 366
 367        __set_bit(EV_KEY, input->evbit);
 368
 369        if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
 370                __set_bit(BTN_LEFT, input->keybit);
 371                __set_bit(BTN_RIGHT, input->keybit);
 372                if (emulate_3button)
 373                        __set_bit(BTN_MIDDLE, input->keybit);
 374
 375                __set_bit(EV_REL, input->evbit);
 376                __set_bit(REL_X, input->relbit);
 377                __set_bit(REL_Y, input->relbit);
 378                if (emulate_scroll_wheel) {
 379                        __set_bit(REL_WHEEL, input->relbit);
 380                        __set_bit(REL_HWHEEL, input->relbit);
 381                }
 382        } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
 383                /* input->keybit is initialized with incorrect button info
 384                 * for Magic Trackpad. There really is only one physical
 385                 * button (BTN_LEFT == BTN_MOUSE). Make sure we don't
 386                 * advertise buttons that don't exist...
 387                 */
 388                __clear_bit(BTN_RIGHT, input->keybit);
 389                __clear_bit(BTN_MIDDLE, input->keybit);
 390                __set_bit(BTN_MOUSE, input->keybit);
 391                __set_bit(BTN_TOOL_FINGER, input->keybit);
 392                __set_bit(BTN_TOOL_DOUBLETAP, input->keybit);
 393                __set_bit(BTN_TOOL_TRIPLETAP, input->keybit);
 394                __set_bit(BTN_TOOL_QUADTAP, input->keybit);
 395                __set_bit(BTN_TOOL_QUINTTAP, input->keybit);
 396                __set_bit(BTN_TOUCH, input->keybit);
 397                __set_bit(INPUT_PROP_POINTER, input->propbit);
 398                __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
 399        }
 400
 401
 402        __set_bit(EV_ABS, input->evbit);
 403
 404        error = input_mt_init_slots(input, 16, 0);
 405        if (error)
 406                return error;
 407        input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255 << 2,
 408                             4, 0);
 409        input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 255 << 2,
 410                             4, 0);
 411        input_set_abs_params(input, ABS_MT_ORIENTATION, -31, 32, 1, 0);
 412
 413        /* Note: Touch Y position from the device is inverted relative
 414         * to how pointer motion is reported (and relative to how USB
 415         * HID recommends the coordinates work).  This driver keeps
 416         * the origin at the same position, and just uses the additive
 417         * inverse of the reported Y.
 418         */
 419        if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
 420                input_set_abs_params(input, ABS_MT_POSITION_X,
 421                                     MOUSE_MIN_X, MOUSE_MAX_X, 4, 0);
 422                input_set_abs_params(input, ABS_MT_POSITION_Y,
 423                                     MOUSE_MIN_Y, MOUSE_MAX_Y, 4, 0);
 424
 425                input_abs_set_res(input, ABS_MT_POSITION_X,
 426                                  MOUSE_RES_X);
 427                input_abs_set_res(input, ABS_MT_POSITION_Y,
 428                                  MOUSE_RES_Y);
 429        } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
 430                input_set_abs_params(input, ABS_X, TRACKPAD_MIN_X,
 431                                     TRACKPAD_MAX_X, 4, 0);
 432                input_set_abs_params(input, ABS_Y, TRACKPAD_MIN_Y,
 433                                     TRACKPAD_MAX_Y, 4, 0);
 434                input_set_abs_params(input, ABS_MT_POSITION_X,
 435                                     TRACKPAD_MIN_X, TRACKPAD_MAX_X, 4, 0);
 436                input_set_abs_params(input, ABS_MT_POSITION_Y,
 437                                     TRACKPAD_MIN_Y, TRACKPAD_MAX_Y, 4, 0);
 438
 439                input_abs_set_res(input, ABS_X, TRACKPAD_RES_X);
 440                input_abs_set_res(input, ABS_Y, TRACKPAD_RES_Y);
 441                input_abs_set_res(input, ABS_MT_POSITION_X,
 442                                  TRACKPAD_RES_X);
 443                input_abs_set_res(input, ABS_MT_POSITION_Y,
 444                                  TRACKPAD_RES_Y);
 445        }
 446
 447        input_set_events_per_packet(input, 60);
 448
 449        if (report_undeciphered) {
 450                __set_bit(EV_MSC, input->evbit);
 451                __set_bit(MSC_RAW, input->mscbit);
 452        }
 453
 454        return 0;
 455}
 456
 457static int magicmouse_input_mapping(struct hid_device *hdev,
 458                struct hid_input *hi, struct hid_field *field,
 459                struct hid_usage *usage, unsigned long **bit, int *max)
 460{
 461        struct magicmouse_sc *msc = hid_get_drvdata(hdev);
 462
 463        if (!msc->input)
 464                msc->input = hi->input;
 465
 466        /* Magic Trackpad does not give relative data after switching to MT */
 467        if (hi->input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD &&
 468            field->flags & HID_MAIN_ITEM_RELATIVE)
 469                return -1;
 470
 471        return 0;
 472}
 473
 474static void magicmouse_input_configured(struct hid_device *hdev,
 475                struct hid_input *hi)
 476
 477{
 478        struct magicmouse_sc *msc = hid_get_drvdata(hdev);
 479
 480        int ret = magicmouse_setup_input(msc->input, hdev);
 481        if (ret) {
 482                hid_err(hdev, "magicmouse setup input failed (%d)\n", ret);
 483                /* clean msc->input to notify probe() of the failure */
 484                msc->input = NULL;
 485        }
 486}
 487
 488
 489static int magicmouse_probe(struct hid_device *hdev,
 490        const struct hid_device_id *id)
 491{
 492        __u8 feature[] = { 0xd7, 0x01 };
 493        struct magicmouse_sc *msc;
 494        struct hid_report *report;
 495        int ret;
 496
 497        msc = devm_kzalloc(&hdev->dev, sizeof(*msc), GFP_KERNEL);
 498        if (msc == NULL) {
 499                hid_err(hdev, "can't alloc magicmouse descriptor\n");
 500                return -ENOMEM;
 501        }
 502
 503        msc->scroll_accel = SCROLL_ACCEL_DEFAULT;
 504
 505        msc->quirks = id->driver_data;
 506        hid_set_drvdata(hdev, msc);
 507
 508        ret = hid_parse(hdev);
 509        if (ret) {
 510                hid_err(hdev, "magicmouse hid parse failed\n");
 511                return ret;
 512        }
 513
 514        ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 515        if (ret) {
 516                hid_err(hdev, "magicmouse hw start failed\n");
 517                return ret;
 518        }
 519
 520        if (!msc->input) {
 521                hid_err(hdev, "magicmouse input not registered\n");
 522                ret = -ENOMEM;
 523                goto err_stop_hw;
 524        }
 525
 526        if (id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE)
 527                report = hid_register_report(hdev, HID_INPUT_REPORT,
 528                        MOUSE_REPORT_ID);
 529        else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
 530                report = hid_register_report(hdev, HID_INPUT_REPORT,
 531                        TRACKPAD_REPORT_ID);
 532                report = hid_register_report(hdev, HID_INPUT_REPORT,
 533                        DOUBLE_REPORT_ID);
 534        }
 535
 536        if (!report) {
 537                hid_err(hdev, "unable to register touch report\n");
 538                ret = -ENOMEM;
 539                goto err_stop_hw;
 540        }
 541        report->size = 6;
 542
 543        /*
 544         * Some devices repond with 'invalid report id' when feature
 545         * report switching it into multitouch mode is sent to it.
 546         *
 547         * This results in -EIO from the _raw low-level transport callback,
 548         * but there seems to be no other way of switching the mode.
 549         * Thus the super-ugly hacky success check below.
 550         */
 551        ret = hid_hw_raw_request(hdev, feature[0], feature, sizeof(feature),
 552                                HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
 553        if (ret != -EIO && ret != sizeof(feature)) {
 554                hid_err(hdev, "unable to request touch data (%d)\n", ret);
 555                goto err_stop_hw;
 556        }
 557
 558        return 0;
 559err_stop_hw:
 560        hid_hw_stop(hdev);
 561        return ret;
 562}
 563
 564static const struct hid_device_id magic_mice[] = {
 565        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
 566                USB_DEVICE_ID_APPLE_MAGICMOUSE), .driver_data = 0 },
 567        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
 568                USB_DEVICE_ID_APPLE_MAGICTRACKPAD), .driver_data = 0 },
 569        { }
 570};
 571MODULE_DEVICE_TABLE(hid, magic_mice);
 572
 573static struct hid_driver magicmouse_driver = {
 574        .name = "magicmouse",
 575        .id_table = magic_mice,
 576        .probe = magicmouse_probe,
 577        .raw_event = magicmouse_raw_event,
 578        .input_mapping = magicmouse_input_mapping,
 579        .input_configured = magicmouse_input_configured,
 580};
 581module_hid_driver(magicmouse_driver);
 582
 583MODULE_LICENSE("GPL");
 584
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