1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Apple "Magic" Wireless Mouse driver 4 * 5 * Copyright (c) 2010 Michael Poole <mdpoole@troilus.org> 6 * Copyright (c) 2010 Chase Douglas <chase.douglas@canonical.com> 7 */ 8 9 /* 10 */ 11 12 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 13 14 #include <linux/device.h> 15 #include <linux/hid.h> 16 #include <linux/input/mt.h> 17 #include <linux/module.h> 18 #include <linux/slab.h> 19 #include <linux/workqueue.h> 20 21 #include "hid-ids.h" 22 23 static bool emulate_3button = true; 24 module_param(emulate_3button, bool, 0644); 25 MODULE_PARM_DESC(emulate_3button, "Emulate a middle button"); 26 27 static int middle_button_start = -350; 28 static int middle_button_stop = +350; 29 30 static bool emulate_scroll_wheel = true; 31 module_param(emulate_scroll_wheel, bool, 0644); 32 MODULE_PARM_DESC(emulate_scroll_wheel, "Emulate a scroll wheel"); 33 34 static unsigned int scroll_speed = 32; 35 static int param_set_scroll_speed(const char *val, 36 const struct kernel_param *kp) { 37 unsigned long speed; 38 if (!val || kstrtoul(val, 0, &speed) || speed > 63) 39 return -EINVAL; 40 scroll_speed = speed; 41 return 0; 42 } 43 module_param_call(scroll_speed, param_set_scroll_speed, param_get_uint, &scroll_speed, 0644); 44 MODULE_PARM_DESC(scroll_speed, "Scroll speed, value from 0 (slow) to 63 (fast)"); 45 46 static bool scroll_acceleration = false; 47 module_param(scroll_acceleration, bool, 0644); 48 MODULE_PARM_DESC(scroll_acceleration, "Accelerate sequential scroll events"); 49 50 static bool report_undeciphered; 51 module_param(report_undeciphered, bool, 0644); 52 MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state field using a MSC_RAW event"); 53 54 #define TRACKPAD2_2021_BT_VERSION 0x110 55 #define TRACKPAD_2024_BT_VERSION 0x314 56 57 #define TRACKPAD_REPORT_ID 0x28 58 #define TRACKPAD2_USB_REPORT_ID 0x02 59 #define TRACKPAD2_BT_REPORT_ID 0x31 60 #define MOUSE_REPORT_ID 0x29 61 #define MOUSE2_REPORT_ID 0x12 62 #define DOUBLE_REPORT_ID 0xf7 63 #define USB_BATTERY_TIMEOUT_SEC 60 64 65 /* These definitions are not precise, but they're close enough. (Bits 66 * 0x03 seem to indicate the aspect ratio of the touch, bits 0x70 seem 67 * to be some kind of bit mask -- 0x20 may be a near-field reading, 68 * and 0x40 is actual contact, and 0x10 may be a start/stop or change 69 * indication.) 70 */ 71 #define TOUCH_STATE_MASK 0xf0 72 #define TOUCH_STATE_NONE 0x00 73 #define TOUCH_STATE_START 0x30 74 #define TOUCH_STATE_DRAG 0x40 75 76 /* Number of high-resolution events for each low-resolution detent. */ 77 #define SCROLL_HR_STEPS 10 78 #define SCROLL_HR_MULT (120 / SCROLL_HR_STEPS) 79 #define SCROLL_HR_THRESHOLD 90 /* units */ 80 #define SCROLL_ACCEL_DEFAULT 7 81 82 /* Touch surface information. Dimension is in hundredths of a mm, min and max 83 * are in units. */ 84 #define MOUSE_DIMENSION_X (float)9056 85 #define MOUSE_MIN_X -1100 86 #define MOUSE_MAX_X 1258 87 #define MOUSE_RES_X ((MOUSE_MAX_X - MOUSE_MIN_X) / (MOUSE_DIMENSION_X / 100)) 88 #define MOUSE_DIMENSION_Y (float)5152 89 #define MOUSE_MIN_Y -1589 90 #define MOUSE_MAX_Y 2047 91 #define MOUSE_RES_Y ((MOUSE_MAX_Y - MOUSE_MIN_Y) / (MOUSE_DIMENSION_Y / 100)) 92 93 #define TRACKPAD_DIMENSION_X (float)13000 94 #define TRACKPAD_MIN_X -2909 95 #define TRACKPAD_MAX_X 3167 96 #define TRACKPAD_RES_X \ 97 ((TRACKPAD_MAX_X - TRACKPAD_MIN_X) / (TRACKPAD_DIMENSION_X / 100)) 98 #define TRACKPAD_DIMENSION_Y (float)11000 99 #define TRACKPAD_MIN_Y -2456 100 #define TRACKPAD_MAX_Y 2565 101 #define TRACKPAD_RES_Y \ 102 ((TRACKPAD_MAX_Y - TRACKPAD_MIN_Y) / (TRACKPAD_DIMENSION_Y / 100)) 103 104 #define TRACKPAD2_DIMENSION_X (float)16000 105 #define TRACKPAD2_MIN_X -3678 106 #define TRACKPAD2_MAX_X 3934 107 #define TRACKPAD2_RES_X \ 108 ((TRACKPAD2_MAX_X - TRACKPAD2_MIN_X) / (TRACKPAD2_DIMENSION_X / 100)) 109 #define TRACKPAD2_DIMENSION_Y (float)11490 110 #define TRACKPAD2_MIN_Y -2478 111 #define TRACKPAD2_MAX_Y 2587 112 #define TRACKPAD2_RES_Y \ 113 ((TRACKPAD2_MAX_Y - TRACKPAD2_MIN_Y) / (TRACKPAD2_DIMENSION_Y / 100)) 114 115 /** 116 * struct magicmouse_sc - Tracks Magic Mouse-specific data. 117 * @input: Input device through which we report events. 118 * @quirks: Currently unused. 119 * @ntouches: Number of touches in most recent touch report. 120 * @scroll_accel: Number of consecutive scroll motions. 121 * @scroll_jiffies: Time of last scroll motion. 122 * @touches: Most recent data for a touch, indexed by tracking ID. 123 * @tracking_ids: Mapping of current touch input data to @touches. 124 * @hdev: Pointer to the underlying HID device. 125 * @work: Workqueue to handle initialization retry for quirky devices. 126 * @battery_timer: Timer for obtaining battery level information. 127 */ 128 struct magicmouse_sc { 129 struct input_dev *input; 130 unsigned long quirks; 131 132 int ntouches; 133 int scroll_accel; 134 unsigned long scroll_jiffies; 135 136 struct { 137 short x; 138 short y; 139 short scroll_x; 140 short scroll_y; 141 short scroll_x_hr; 142 short scroll_y_hr; 143 u8 size; 144 bool scroll_x_active; 145 bool scroll_y_active; 146 } touches[16]; 147 int tracking_ids[16]; 148 149 struct hid_device *hdev; 150 struct delayed_work work; 151 struct timer_list battery_timer; 152 }; 153 154 static int magicmouse_firm_touch(struct magicmouse_sc *msc) 155 { 156 int touch = -1; 157 int ii; 158 159 /* If there is only one "firm" touch, set touch to its 160 * tracking ID. 161 */ 162 for (ii = 0; ii < msc->ntouches; ii++) { 163 int idx = msc->tracking_ids[ii]; 164 if (msc->touches[idx].size < 8) { 165 /* Ignore this touch. */ 166 } else if (touch >= 0) { 167 touch = -1; 168 break; 169 } else { 170 touch = idx; 171 } 172 } 173 174 return touch; 175 } 176 177 static void magicmouse_emit_buttons(struct magicmouse_sc *msc, int state) 178 { 179 int last_state = test_bit(BTN_LEFT, msc->input->key) << 0 | 180 test_bit(BTN_RIGHT, msc->input->key) << 1 | 181 test_bit(BTN_MIDDLE, msc->input->key) << 2; 182 183 if (emulate_3button) { 184 int id; 185 186 /* If some button was pressed before, keep it held 187 * down. Otherwise, if there's exactly one firm 188 * touch, use that to override the mouse's guess. 189 */ 190 if (state == 0) { 191 /* The button was released. */ 192 } else if (last_state != 0) { 193 state = last_state; 194 } else if ((id = magicmouse_firm_touch(msc)) >= 0) { 195 int x = msc->touches[id].x; 196 if (x < middle_button_start) 197 state = 1; 198 else if (x > middle_button_stop) 199 state = 2; 200 else 201 state = 4; 202 } /* else: we keep the mouse's guess */ 203 204 input_report_key(msc->input, BTN_MIDDLE, state & 4); 205 } 206 207 input_report_key(msc->input, BTN_LEFT, state & 1); 208 input_report_key(msc->input, BTN_RIGHT, state & 2); 209 210 if (state != last_state) 211 msc->scroll_accel = SCROLL_ACCEL_DEFAULT; 212 } 213 214 static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tdata) 215 { 216 struct input_dev *input = msc->input; 217 int id, x, y, size, orientation, touch_major, touch_minor, state, down; 218 int pressure = 0; 219 220 if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE || 221 input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || 222 input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC) { 223 id = (tdata[6] << 2 | tdata[5] >> 6) & 0xf; 224 x = (tdata[1] << 28 | tdata[0] << 20) >> 20; 225 y = -((tdata[2] << 24 | tdata[1] << 16) >> 20); 226 size = tdata[5] & 0x3f; 227 orientation = (tdata[6] >> 2) - 32; 228 touch_major = tdata[3]; 229 touch_minor = tdata[4]; 230 state = tdata[7] & TOUCH_STATE_MASK; 231 down = state != TOUCH_STATE_NONE; 232 } else if (input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || 233 input->id.product == 234 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) { 235 id = tdata[8] & 0xf; 236 x = (tdata[1] << 27 | tdata[0] << 19) >> 19; 237 y = -((tdata[3] << 30 | tdata[2] << 22 | tdata[1] << 14) >> 19); 238 size = tdata[6]; 239 orientation = (tdata[8] >> 5) - 4; 240 touch_major = tdata[4]; 241 touch_minor = tdata[5]; 242 pressure = tdata[7]; 243 state = tdata[3] & 0xC0; 244 down = state == 0x80; 245 } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ 246 id = (tdata[7] << 2 | tdata[6] >> 6) & 0xf; 247 x = (tdata[1] << 27 | tdata[0] << 19) >> 19; 248 y = -((tdata[3] << 30 | tdata[2] << 22 | tdata[1] << 14) >> 19); 249 size = tdata[6] & 0x3f; 250 orientation = (tdata[7] >> 2) - 32; 251 touch_major = tdata[4]; 252 touch_minor = tdata[5]; 253 state = tdata[8] & TOUCH_STATE_MASK; 254 down = state != TOUCH_STATE_NONE; 255 } 256 257 /* Store tracking ID and other fields. */ 258 msc->tracking_ids[raw_id] = id; 259 msc->touches[id].x = x; 260 msc->touches[id].y = y; 261 msc->touches[id].size = size; 262 263 /* If requested, emulate a scroll wheel by detecting small 264 * vertical touch motions. 265 */ 266 if (emulate_scroll_wheel && 267 input->id.product != USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 && 268 input->id.product != USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) { 269 unsigned long now = jiffies; 270 int step_x = msc->touches[id].scroll_x - x; 271 int step_y = msc->touches[id].scroll_y - y; 272 int step_hr = 273 max_t(int, 274 ((64 - (int)scroll_speed) * msc->scroll_accel) / 275 SCROLL_HR_STEPS, 276 1); 277 int step_x_hr = msc->touches[id].scroll_x_hr - x; 278 int step_y_hr = msc->touches[id].scroll_y_hr - y; 279 280 /* Calculate and apply the scroll motion. */ 281 switch (state) { 282 case TOUCH_STATE_START: 283 msc->touches[id].scroll_x = x; 284 msc->touches[id].scroll_y = y; 285 msc->touches[id].scroll_x_hr = x; 286 msc->touches[id].scroll_y_hr = y; 287 msc->touches[id].scroll_x_active = false; 288 msc->touches[id].scroll_y_active = false; 289 290 /* Reset acceleration after half a second. */ 291 if (scroll_acceleration && time_before(now, 292 msc->scroll_jiffies + HZ / 2)) 293 msc->scroll_accel = max_t(int, 294 msc->scroll_accel - 1, 1); 295 else 296 msc->scroll_accel = SCROLL_ACCEL_DEFAULT; 297 298 break; 299 case TOUCH_STATE_DRAG: 300 step_x /= (64 - (int)scroll_speed) * msc->scroll_accel; 301 if (step_x != 0) { 302 msc->touches[id].scroll_x -= step_x * 303 (64 - scroll_speed) * msc->scroll_accel; 304 msc->scroll_jiffies = now; 305 input_report_rel(input, REL_HWHEEL, -step_x); 306 } 307 308 step_y /= (64 - (int)scroll_speed) * msc->scroll_accel; 309 if (step_y != 0) { 310 msc->touches[id].scroll_y -= step_y * 311 (64 - scroll_speed) * msc->scroll_accel; 312 msc->scroll_jiffies = now; 313 input_report_rel(input, REL_WHEEL, step_y); 314 } 315 316 if (!msc->touches[id].scroll_x_active && 317 abs(step_x_hr) > SCROLL_HR_THRESHOLD) { 318 msc->touches[id].scroll_x_active = true; 319 msc->touches[id].scroll_x_hr = x; 320 step_x_hr = 0; 321 } 322 323 step_x_hr /= step_hr; 324 if (step_x_hr != 0 && 325 msc->touches[id].scroll_x_active) { 326 msc->touches[id].scroll_x_hr -= step_x_hr * 327 step_hr; 328 input_report_rel(input, 329 REL_HWHEEL_HI_RES, 330 -step_x_hr * SCROLL_HR_MULT); 331 } 332 333 if (!msc->touches[id].scroll_y_active && 334 abs(step_y_hr) > SCROLL_HR_THRESHOLD) { 335 msc->touches[id].scroll_y_active = true; 336 msc->touches[id].scroll_y_hr = y; 337 step_y_hr = 0; 338 } 339 340 step_y_hr /= step_hr; 341 if (step_y_hr != 0 && 342 msc->touches[id].scroll_y_active) { 343 msc->touches[id].scroll_y_hr -= step_y_hr * 344 step_hr; 345 input_report_rel(input, 346 REL_WHEEL_HI_RES, 347 step_y_hr * SCROLL_HR_MULT); 348 } 349 break; 350 } 351 } 352 353 if (down) 354 msc->ntouches++; 355 356 input_mt_slot(input, id); 357 input_mt_report_slot_state(input, MT_TOOL_FINGER, down); 358 359 /* Generate the input events for this touch. */ 360 if (down) { 361 input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major << 2); 362 input_report_abs(input, ABS_MT_TOUCH_MINOR, touch_minor << 2); 363 input_report_abs(input, ABS_MT_ORIENTATION, -orientation); 364 input_report_abs(input, ABS_MT_POSITION_X, x); 365 input_report_abs(input, ABS_MT_POSITION_Y, y); 366 367 if (input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || 368 input->id.product == 369 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) 370 input_report_abs(input, ABS_MT_PRESSURE, pressure); 371 372 if (report_undeciphered) { 373 if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE || 374 input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || 375 input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC) 376 input_event(input, EV_MSC, MSC_RAW, tdata[7]); 377 else if (input->id.product != 378 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 && 379 input->id.product != 380 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) 381 input_event(input, EV_MSC, MSC_RAW, tdata[8]); 382 } 383 } 384 } 385 386 static int __magicmouse_raw_event(struct hid_device *hdev, 387 struct hid_report *report, u8 *data, int size, bool nested) 388 { 389 struct magicmouse_sc *msc = hid_get_drvdata(hdev); 390 struct input_dev *input = msc->input; 391 int x = 0, y = 0, ii, clicks = 0, npoints; 392 393 /* Protect against zero sized recursive calls from DOUBLE_REPORT_ID */ 394 if (size < 1) 395 return 0; 396 397 switch (data[0]) { 398 case TRACKPAD_REPORT_ID: 399 case TRACKPAD2_BT_REPORT_ID: 400 /* Expect four bytes of prefix, and N*9 bytes of touch data. */ 401 if (size < 4 || ((size - 4) % 9) != 0) 402 return 0; 403 npoints = (size - 4) / 9; 404 if (npoints > 15) { 405 hid_warn(hdev, "invalid size value (%d) for TRACKPAD_REPORT_ID\n", 406 size); 407 return 0; 408 } 409 msc->ntouches = 0; 410 for (ii = 0; ii < npoints; ii++) 411 magicmouse_emit_touch(msc, ii, data + ii * 9 + 4); 412 413 clicks = data[1]; 414 415 /* The following bits provide a device specific timestamp. They 416 * are unused here. 417 * 418 * ts = data[1] >> 6 | data[2] << 2 | data[3] << 10; 419 */ 420 break; 421 case TRACKPAD2_USB_REPORT_ID: 422 /* Expect twelve bytes of prefix and N*9 bytes of touch data. */ 423 if (size < 12 || ((size - 12) % 9) != 0) 424 return 0; 425 npoints = (size - 12) / 9; 426 if (npoints > 15) { 427 hid_warn(hdev, "invalid size value (%d) for TRACKPAD2_USB_REPORT_ID\n", 428 size); 429 return 0; 430 } 431 msc->ntouches = 0; 432 for (ii = 0; ii < npoints; ii++) 433 magicmouse_emit_touch(msc, ii, data + ii * 9 + 12); 434 435 clicks = data[1]; 436 break; 437 case MOUSE_REPORT_ID: 438 /* Expect six bytes of prefix, and N*8 bytes of touch data. */ 439 if (size < 6 || ((size - 6) % 8) != 0) 440 return 0; 441 npoints = (size - 6) / 8; 442 if (npoints > 15) { 443 hid_warn(hdev, "invalid size value (%d) for MOUSE_REPORT_ID\n", 444 size); 445 return 0; 446 } 447 msc->ntouches = 0; 448 for (ii = 0; ii < npoints; ii++) 449 magicmouse_emit_touch(msc, ii, data + ii * 8 + 6); 450 451 /* When emulating three-button mode, it is important 452 * to have the current touch information before 453 * generating a click event. 454 */ 455 x = (int)(((data[3] & 0x0c) << 28) | (data[1] << 22)) >> 22; 456 y = (int)(((data[3] & 0x30) << 26) | (data[2] << 22)) >> 22; 457 clicks = data[3]; 458 459 /* The following bits provide a device specific timestamp. They 460 * are unused here. 461 * 462 * ts = data[3] >> 6 | data[4] << 2 | data[5] << 10; 463 */ 464 break; 465 case MOUSE2_REPORT_ID: 466 /* Size is either 8 or (14 + 8 * N) */ 467 if (size != 8 && (size < 14 || (size - 14) % 8 != 0)) 468 return 0; 469 npoints = (size - 14) / 8; 470 if (npoints > 15) { 471 hid_warn(hdev, "invalid size value (%d) for MOUSE2_REPORT_ID\n", 472 size); 473 return 0; 474 } 475 msc->ntouches = 0; 476 for (ii = 0; ii < npoints; ii++) 477 magicmouse_emit_touch(msc, ii, data + ii * 8 + 14); 478 479 /* When emulating three-button mode, it is important 480 * to have the current touch information before 481 * generating a click event. 482 */ 483 x = (int)((data[3] << 24) | (data[2] << 16)) >> 16; 484 y = (int)((data[5] << 24) | (data[4] << 16)) >> 16; 485 clicks = data[1]; 486 487 /* The following bits provide a device specific timestamp. They 488 * are unused here. 489 * 490 * ts = data[11] >> 6 | data[12] << 2 | data[13] << 10; 491 */ 492 break; 493 case DOUBLE_REPORT_ID: 494 /* Sometimes the trackpad sends two touch reports in one 495 * packet. 496 */ 497 498 /* 499 * A double report only ever wraps two normal reports, so it is 500 * never nested. Refuse to recurse a second time; otherwise a 501 * malicious device could chain DOUBLE_REPORT_ID packets to drive 502 * unbounded recursion and overflow the kernel stack. 503 */ 504 if (nested) 505 return 0; 506 507 /* Ensure that we have at least 2 elements (report type and size) */ 508 if (size < 2) 509 return 0; 510 511 if (size < data[1] + 2) { 512 hid_warn(hdev, 513 "received report length (%d) was smaller than specified (%d)", 514 size, data[1] + 2); 515 return 0; 516 } 517 518 __magicmouse_raw_event(hdev, report, data + 2, data[1], true); 519 __magicmouse_raw_event(hdev, report, data + 2 + data[1], 520 size - 2 - data[1], true); 521 return 0; 522 default: 523 return 0; 524 } 525 526 if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE || 527 input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || 528 input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC) { 529 magicmouse_emit_buttons(msc, clicks & 3); 530 input_report_rel(input, REL_X, x); 531 input_report_rel(input, REL_Y, y); 532 } else if (input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || 533 input->id.product == 534 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) { 535 input_mt_sync_frame(input); 536 input_report_key(input, BTN_MOUSE, clicks & 1); 537 } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ 538 input_report_key(input, BTN_MOUSE, clicks & 1); 539 input_mt_report_pointer_emulation(input, true); 540 } 541 542 input_sync(input); 543 return 1; 544 } 545 546 static int magicmouse_raw_event(struct hid_device *hdev, 547 struct hid_report *report, u8 *data, int size) 548 { 549 return __magicmouse_raw_event(hdev, report, data, size, false); 550 } 551 552 static int magicmouse_event(struct hid_device *hdev, struct hid_field *field, 553 struct hid_usage *usage, __s32 value) 554 { 555 struct magicmouse_sc *msc = hid_get_drvdata(hdev); 556 if ((msc->input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || 557 msc->input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC) && 558 field->report->id == MOUSE2_REPORT_ID) { 559 /* 560 * magic_mouse_raw_event has done all the work. Skip hidinput. 561 * 562 * Specifically, hidinput may modify BTN_LEFT and BTN_RIGHT, 563 * breaking emulate_3button. 564 */ 565 return 1; 566 } 567 return 0; 568 } 569 570 static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hdev) 571 { 572 int error; 573 int mt_flags = 0; 574 575 __set_bit(EV_KEY, input->evbit); 576 577 if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE || 578 input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || 579 input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC) { 580 __set_bit(BTN_LEFT, input->keybit); 581 __set_bit(BTN_RIGHT, input->keybit); 582 if (emulate_3button) 583 __set_bit(BTN_MIDDLE, input->keybit); 584 585 __set_bit(EV_REL, input->evbit); 586 __set_bit(REL_X, input->relbit); 587 __set_bit(REL_Y, input->relbit); 588 if (emulate_scroll_wheel) { 589 __set_bit(REL_WHEEL, input->relbit); 590 __set_bit(REL_HWHEEL, input->relbit); 591 __set_bit(REL_WHEEL_HI_RES, input->relbit); 592 __set_bit(REL_HWHEEL_HI_RES, input->relbit); 593 } 594 } else if (input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || 595 input->id.product == 596 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) { 597 /* If the trackpad has been connected to a Mac, the name is 598 * automatically personalized, e.g., "José Expósito's Trackpad". 599 * When connected through Bluetooth, the personalized name is 600 * reported, however, when connected through USB the generic 601 * name is reported. 602 * Set the device name to ensure the same driver settings get 603 * loaded, whether connected through bluetooth or USB. 604 */ 605 if (hdev->vendor == BT_VENDOR_ID_APPLE) { 606 if (input->id.version == TRACKPAD2_2021_BT_VERSION) 607 input->name = "Apple Inc. Magic Trackpad 2021"; 608 else if (input->id.version == TRACKPAD_2024_BT_VERSION) { 609 input->name = "Apple Inc. Magic Trackpad USB-C"; 610 } else { 611 input->name = "Apple Inc. Magic Trackpad"; 612 } 613 } else { /* USB_VENDOR_ID_APPLE */ 614 input->name = hdev->name; 615 } 616 617 __clear_bit(EV_MSC, input->evbit); 618 __clear_bit(BTN_0, input->keybit); 619 __clear_bit(BTN_RIGHT, input->keybit); 620 __clear_bit(BTN_MIDDLE, input->keybit); 621 __set_bit(BTN_MOUSE, input->keybit); 622 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); 623 __set_bit(BTN_TOOL_FINGER, input->keybit); 624 625 mt_flags = INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | 626 INPUT_MT_TRACK; 627 } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ 628 /* input->keybit is initialized with incorrect button info 629 * for Magic Trackpad. There really is only one physical 630 * button (BTN_LEFT == BTN_MOUSE). Make sure we don't 631 * advertise buttons that don't exist... 632 */ 633 __clear_bit(BTN_RIGHT, input->keybit); 634 __clear_bit(BTN_MIDDLE, input->keybit); 635 __set_bit(BTN_MOUSE, input->keybit); 636 __set_bit(BTN_TOOL_FINGER, input->keybit); 637 __set_bit(BTN_TOOL_DOUBLETAP, input->keybit); 638 __set_bit(BTN_TOOL_TRIPLETAP, input->keybit); 639 __set_bit(BTN_TOOL_QUADTAP, input->keybit); 640 __set_bit(BTN_TOOL_QUINTTAP, input->keybit); 641 __set_bit(BTN_TOUCH, input->keybit); 642 __set_bit(INPUT_PROP_POINTER, input->propbit); 643 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); 644 } 645 646 647 __set_bit(EV_ABS, input->evbit); 648 649 error = input_mt_init_slots(input, 16, mt_flags); 650 if (error) 651 return error; 652 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255 << 2, 653 4, 0); 654 input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 255 << 2, 655 4, 0); 656 657 /* Note: Touch Y position from the device is inverted relative 658 * to how pointer motion is reported (and relative to how USB 659 * HID recommends the coordinates work). This driver keeps 660 * the origin at the same position, and just uses the additive 661 * inverse of the reported Y. 662 */ 663 if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE || 664 input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || 665 input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC) { 666 input_set_abs_params(input, ABS_MT_ORIENTATION, -31, 32, 1, 0); 667 input_set_abs_params(input, ABS_MT_POSITION_X, 668 MOUSE_MIN_X, MOUSE_MAX_X, 4, 0); 669 input_set_abs_params(input, ABS_MT_POSITION_Y, 670 MOUSE_MIN_Y, MOUSE_MAX_Y, 4, 0); 671 672 input_abs_set_res(input, ABS_MT_POSITION_X, 673 MOUSE_RES_X); 674 input_abs_set_res(input, ABS_MT_POSITION_Y, 675 MOUSE_RES_Y); 676 } else if (input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || 677 input->id.product == 678 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) { 679 input_set_abs_params(input, ABS_MT_PRESSURE, 0, 253, 0, 0); 680 input_set_abs_params(input, ABS_PRESSURE, 0, 253, 0, 0); 681 input_set_abs_params(input, ABS_MT_ORIENTATION, -3, 4, 0, 0); 682 input_set_abs_params(input, ABS_X, TRACKPAD2_MIN_X, 683 TRACKPAD2_MAX_X, 0, 0); 684 input_set_abs_params(input, ABS_Y, TRACKPAD2_MIN_Y, 685 TRACKPAD2_MAX_Y, 0, 0); 686 input_set_abs_params(input, ABS_MT_POSITION_X, 687 TRACKPAD2_MIN_X, TRACKPAD2_MAX_X, 0, 0); 688 input_set_abs_params(input, ABS_MT_POSITION_Y, 689 TRACKPAD2_MIN_Y, TRACKPAD2_MAX_Y, 0, 0); 690 691 input_abs_set_res(input, ABS_X, TRACKPAD2_RES_X); 692 input_abs_set_res(input, ABS_Y, TRACKPAD2_RES_Y); 693 input_abs_set_res(input, ABS_MT_POSITION_X, TRACKPAD2_RES_X); 694 input_abs_set_res(input, ABS_MT_POSITION_Y, TRACKPAD2_RES_Y); 695 } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ 696 input_set_abs_params(input, ABS_MT_ORIENTATION, -31, 32, 1, 0); 697 input_set_abs_params(input, ABS_X, TRACKPAD_MIN_X, 698 TRACKPAD_MAX_X, 4, 0); 699 input_set_abs_params(input, ABS_Y, TRACKPAD_MIN_Y, 700 TRACKPAD_MAX_Y, 4, 0); 701 input_set_abs_params(input, ABS_MT_POSITION_X, 702 TRACKPAD_MIN_X, TRACKPAD_MAX_X, 4, 0); 703 input_set_abs_params(input, ABS_MT_POSITION_Y, 704 TRACKPAD_MIN_Y, TRACKPAD_MAX_Y, 4, 0); 705 706 input_abs_set_res(input, ABS_X, TRACKPAD_RES_X); 707 input_abs_set_res(input, ABS_Y, TRACKPAD_RES_Y); 708 input_abs_set_res(input, ABS_MT_POSITION_X, 709 TRACKPAD_RES_X); 710 input_abs_set_res(input, ABS_MT_POSITION_Y, 711 TRACKPAD_RES_Y); 712 } 713 714 input_set_events_per_packet(input, 60); 715 716 if (report_undeciphered && 717 input->id.product != USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 && 718 input->id.product != USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) { 719 __set_bit(EV_MSC, input->evbit); 720 __set_bit(MSC_RAW, input->mscbit); 721 } 722 723 /* 724 * hid-input may mark device as using autorepeat, but neither 725 * the trackpad, nor the mouse actually want it. 726 */ 727 __clear_bit(EV_REP, input->evbit); 728 729 return 0; 730 } 731 732 static int magicmouse_input_mapping(struct hid_device *hdev, 733 struct hid_input *hi, struct hid_field *field, 734 struct hid_usage *usage, unsigned long **bit, int *max) 735 { 736 struct magicmouse_sc *msc = hid_get_drvdata(hdev); 737 738 if (!msc->input) 739 msc->input = hi->input; 740 741 /* Magic Trackpad does not give relative data after switching to MT */ 742 if ((hi->input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD || 743 hi->input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || 744 hi->input->id.product == 745 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC) && 746 field->flags & HID_MAIN_ITEM_RELATIVE) 747 return -1; 748 749 return 0; 750 } 751 752 static int magicmouse_input_configured(struct hid_device *hdev, 753 struct hid_input *hi) 754 755 { 756 struct magicmouse_sc *msc = hid_get_drvdata(hdev); 757 int ret; 758 759 if (!msc->input) { 760 hid_err(hdev, "magicmouse setup input failed (no input)"); 761 return -EINVAL; 762 } 763 764 ret = magicmouse_setup_input(msc->input, hdev); 765 if (ret) { 766 hid_err(hdev, "magicmouse setup input failed (%d)\n", ret); 767 /* clean msc->input to notify probe() of the failure */ 768 msc->input = NULL; 769 return ret; 770 } 771 772 return 0; 773 } 774 775 static int magicmouse_enable_multitouch(struct hid_device *hdev) 776 { 777 const u8 *feature; 778 const u8 feature_mt[] = { 0xD7, 0x01 }; 779 const u8 feature_mt_mouse2[] = { 0xF1, 0x02, 0x01 }; 780 const u8 feature_mt_trackpad2_usb[] = { 0x02, 0x01 }; 781 const u8 feature_mt_trackpad2_bt[] = { 0xF1, 0x02, 0x01 }; 782 u8 *buf; 783 int ret; 784 int feature_size; 785 786 switch (hdev->product) { 787 case USB_DEVICE_ID_APPLE_MAGICTRACKPAD2: 788 case USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC: 789 switch (hdev->vendor) { 790 case BT_VENDOR_ID_APPLE: 791 feature_size = sizeof(feature_mt_trackpad2_bt); 792 feature = feature_mt_trackpad2_bt; 793 break; 794 default: /* USB_VENDOR_ID_APPLE */ 795 feature_size = sizeof(feature_mt_trackpad2_usb); 796 feature = feature_mt_trackpad2_usb; 797 } 798 break; 799 case USB_DEVICE_ID_APPLE_MAGICMOUSE2: 800 case USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC: 801 feature_size = sizeof(feature_mt_mouse2); 802 feature = feature_mt_mouse2; 803 break; 804 default: 805 feature_size = sizeof(feature_mt); 806 feature = feature_mt; 807 } 808 809 buf = kmemdup(feature, feature_size, GFP_KERNEL); 810 if (!buf) 811 return -ENOMEM; 812 813 ret = hid_hw_raw_request(hdev, buf[0], buf, feature_size, 814 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 815 kfree(buf); 816 return ret; 817 } 818 819 static void magicmouse_enable_mt_work(struct work_struct *work) 820 { 821 struct magicmouse_sc *msc = 822 container_of(work, struct magicmouse_sc, work.work); 823 int ret; 824 825 ret = magicmouse_enable_multitouch(msc->hdev); 826 if (ret < 0) 827 hid_err(msc->hdev, "unable to request touch data (%d)\n", ret); 828 } 829 830 static bool is_usb_magicmouse2(__u32 vendor, __u32 product) 831 { 832 if (vendor != USB_VENDOR_ID_APPLE) 833 return false; 834 return product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || 835 product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC; 836 } 837 838 static bool is_usb_magictrackpad2(__u32 vendor, __u32 product) 839 { 840 if (vendor != USB_VENDOR_ID_APPLE) 841 return false; 842 return product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 || 843 product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC; 844 } 845 846 static bool is_bt_magictrackpad2(__u32 vendor, __u32 product) 847 { 848 return vendor == BT_VENDOR_ID_APPLE && 849 product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC; 850 } 851 852 static int magicmouse_fetch_battery(struct hid_device *hdev) 853 { 854 #ifdef CONFIG_HID_BATTERY_STRENGTH 855 struct hid_report_enum *report_enum; 856 struct hid_report *report; 857 struct hid_battery *bat; 858 859 bat = hid_get_battery(hdev); 860 if (!bat || 861 (!is_usb_magicmouse2(hdev->vendor, hdev->product) && 862 !is_usb_magictrackpad2(hdev->vendor, hdev->product) && 863 !is_bt_magictrackpad2(hdev->vendor, hdev->product))) 864 return -1; 865 866 report_enum = &hdev->report_enum[bat->report_type]; 867 report = report_enum->report_id_hash[bat->report_id]; 868 869 if (!report || report->maxfield < 1) 870 return -1; 871 872 if (bat->capacity == bat->max) 873 return -1; 874 875 hid_hw_request(hdev, report, HID_REQ_GET_REPORT); 876 return 0; 877 #else 878 return -1; 879 #endif 880 } 881 882 static void magicmouse_battery_timer_tick(struct timer_list *t) 883 { 884 struct magicmouse_sc *msc = timer_container_of(msc, t, battery_timer); 885 struct hid_device *hdev = msc->hdev; 886 887 if (magicmouse_fetch_battery(hdev) == 0) { 888 mod_timer(&msc->battery_timer, 889 jiffies + secs_to_jiffies(USB_BATTERY_TIMEOUT_SEC)); 890 } 891 } 892 893 static int magicmouse_probe(struct hid_device *hdev, 894 const struct hid_device_id *id) 895 { 896 struct magicmouse_sc *msc; 897 struct hid_report *report; 898 int ret; 899 900 msc = devm_kzalloc(&hdev->dev, sizeof(*msc), GFP_KERNEL); 901 if (msc == NULL) { 902 hid_err(hdev, "can't alloc magicmouse descriptor\n"); 903 return -ENOMEM; 904 } 905 906 msc->scroll_accel = SCROLL_ACCEL_DEFAULT; 907 msc->hdev = hdev; 908 INIT_DEFERRABLE_WORK(&msc->work, magicmouse_enable_mt_work); 909 910 msc->quirks = id->driver_data; 911 hid_set_drvdata(hdev, msc); 912 913 ret = hid_parse(hdev); 914 if (ret) { 915 hid_err(hdev, "magicmouse hid parse failed\n"); 916 return ret; 917 } 918 919 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 920 if (ret) { 921 hid_err(hdev, "magicmouse hw start failed\n"); 922 return ret; 923 } 924 925 /* 926 * When hidinput_connect() fails it frees every input device it 927 * created, but that does not fail hid_hw_start(): the core simply 928 * does not claim an input. msc->input, cached in ->input_mapping 929 * while the report descriptor was parsed, would then be a dangling 930 * pointer that passes every NULL check. Trust the core's claim. 931 */ 932 if (!(hdev->claimed & HID_CLAIMED_INPUT)) 933 msc->input = NULL; 934 935 if (is_usb_magicmouse2(id->vendor, id->product) || 936 is_usb_magictrackpad2(id->vendor, id->product)) { 937 timer_setup(&msc->battery_timer, magicmouse_battery_timer_tick, 0); 938 mod_timer(&msc->battery_timer, 939 jiffies + secs_to_jiffies(USB_BATTERY_TIMEOUT_SEC)); 940 magicmouse_fetch_battery(hdev); 941 } 942 943 if (is_usb_magicmouse2(id->vendor, id->product) || 944 (is_usb_magictrackpad2(id->vendor, id->product) && 945 hdev->type != HID_TYPE_USBMOUSE)) 946 return 0; 947 948 if (!msc->input) { 949 hid_err(hdev, "magicmouse input not registered\n"); 950 ret = -ENOMEM; 951 goto err_stop_hw; 952 } 953 954 switch (id->product) { 955 case USB_DEVICE_ID_APPLE_MAGICMOUSE: 956 report = hid_register_report(hdev, HID_INPUT_REPORT, MOUSE_REPORT_ID, 0); 957 break; 958 case USB_DEVICE_ID_APPLE_MAGICMOUSE2: 959 case USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC: 960 report = hid_register_report(hdev, HID_INPUT_REPORT, MOUSE2_REPORT_ID, 0); 961 break; 962 case USB_DEVICE_ID_APPLE_MAGICTRACKPAD2: 963 case USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC: 964 switch (id->vendor) { 965 case BT_VENDOR_ID_APPLE: 966 report = hid_register_report(hdev, HID_INPUT_REPORT, 967 TRACKPAD2_BT_REPORT_ID, 0); 968 break; 969 default: 970 report = hid_register_report(hdev, HID_INPUT_REPORT, 971 TRACKPAD2_USB_REPORT_ID, 0); 972 } 973 break; 974 default: /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ 975 report = hid_register_report(hdev, HID_INPUT_REPORT, 976 TRACKPAD_REPORT_ID, 0); 977 report = hid_register_report(hdev, HID_INPUT_REPORT, 978 DOUBLE_REPORT_ID, 0); 979 } 980 981 if (!report) { 982 hid_err(hdev, "unable to register touch report\n"); 983 ret = -ENOMEM; 984 goto err_stop_hw; 985 } 986 report->size = 6; 987 988 /* 989 * Some devices repond with 'invalid report id' when feature 990 * report switching it into multitouch mode is sent to it. 991 * 992 * This results in -EIO from the _raw low-level transport callback, 993 * but there seems to be no other way of switching the mode. 994 * Thus the super-ugly hacky success check below. 995 */ 996 ret = magicmouse_enable_multitouch(hdev); 997 if (ret != -EIO && ret < 0) { 998 hid_err(hdev, "unable to request touch data (%d)\n", ret); 999 goto err_stop_hw; 1000 } 1001 if (ret == -EIO && (id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 || 1002 id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC)) { 1003 schedule_delayed_work(&msc->work, msecs_to_jiffies(500)); 1004 } 1005 1006 /* 1007 * Query the Bluetooth Magic Trackpad USB-C battery as done for USB. 1008 * Start io first: probe holds driver_input_lock and the synchronous 1009 * GET_REPORT reply would otherwise be dropped. 1010 */ 1011 if (is_bt_magictrackpad2(id->vendor, id->product)) { 1012 hid_device_io_start(hdev); 1013 magicmouse_fetch_battery(hdev); 1014 } 1015 1016 return 0; 1017 err_stop_hw: 1018 if (is_usb_magicmouse2(id->vendor, id->product) || 1019 is_usb_magictrackpad2(id->vendor, id->product)) 1020 timer_delete_sync(&msc->battery_timer); 1021 1022 hid_hw_stop(hdev); 1023 return ret; 1024 } 1025 1026 static void magicmouse_remove(struct hid_device *hdev) 1027 { 1028 struct magicmouse_sc *msc = hid_get_drvdata(hdev); 1029 1030 if (msc) { 1031 cancel_delayed_work_sync(&msc->work); 1032 if (is_usb_magicmouse2(hdev->vendor, hdev->product) || 1033 is_usb_magictrackpad2(hdev->vendor, hdev->product)) 1034 timer_delete_sync(&msc->battery_timer); 1035 } 1036 1037 hid_hw_stop(hdev); 1038 } 1039 1040 #ifdef CONFIG_PM 1041 static int magicmouse_reset_resume(struct hid_device *hdev) 1042 { 1043 struct magicmouse_sc *msc = hid_get_drvdata(hdev); 1044 1045 /* The device drops out of multitouch mode on resume; re-send the 1046 * enable report. Only the HID_TYPE_USBMOUSE interface accepts it, and 1047 * it must be deferred. Sending it inline here is too early. 1048 */ 1049 if (msc && hdev->type == HID_TYPE_USBMOUSE) 1050 schedule_delayed_work(&msc->work, msecs_to_jiffies(500)); 1051 1052 return 0; 1053 } 1054 #endif 1055 1056 static const __u8 *magicmouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, 1057 unsigned int *rsize) 1058 { 1059 /* 1060 * Change the usage from: 1061 * 0x06, 0x00, 0xff, // Usage Page (Vendor Defined Page 1) 0 1062 * 0x09, 0x0b, // Usage (Vendor Usage 0x0b) 3 1063 * To: 1064 * 0x05, 0x01, // Usage Page (Generic Desktop) 0 1065 * 0x09, 0x02, // Usage (Mouse) 2 1066 */ 1067 if ((is_usb_magicmouse2(hdev->vendor, hdev->product) || 1068 is_usb_magictrackpad2(hdev->vendor, hdev->product)) && 1069 *rsize >= 83 && rdesc[46] == 0x84 && rdesc[58] == 0x85) { 1070 hid_info(hdev, 1071 "fixing up magicmouse battery report descriptor\n"); 1072 *rsize = *rsize - 1; 1073 rdesc = rdesc + 1; 1074 1075 rdesc[0] = 0x05; 1076 rdesc[1] = 0x01; 1077 rdesc[2] = 0x09; 1078 rdesc[3] = 0x02; 1079 } 1080 1081 return rdesc; 1082 } 1083 1084 static const struct hid_device_id magic_mice[] = { 1085 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 1086 USB_DEVICE_ID_APPLE_MAGICMOUSE), .driver_data = 0 }, 1087 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, 1088 USB_DEVICE_ID_APPLE_MAGICMOUSE2), .driver_data = 0 }, 1089 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, 1090 USB_DEVICE_ID_APPLE_MAGICMOUSE2), .driver_data = 0 }, 1091 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, 1092 USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC), .driver_data = 0 }, 1093 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, 1094 USB_DEVICE_ID_APPLE_MAGICMOUSE2_USBC), .driver_data = 0 }, 1095 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 1096 USB_DEVICE_ID_APPLE_MAGICTRACKPAD), .driver_data = 0 }, 1097 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, 1098 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2), .driver_data = 0 }, 1099 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, 1100 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2), .driver_data = 0 }, 1101 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, 1102 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC), .driver_data = 0 }, 1103 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, 1104 USB_DEVICE_ID_APPLE_MAGICTRACKPAD2_USBC), .driver_data = 0 }, 1105 { } 1106 }; 1107 MODULE_DEVICE_TABLE(hid, magic_mice); 1108 1109 static struct hid_driver magicmouse_driver = { 1110 .name = "magicmouse", 1111 .id_table = magic_mice, 1112 .probe = magicmouse_probe, 1113 .remove = magicmouse_remove, 1114 .report_fixup = magicmouse_report_fixup, 1115 .raw_event = magicmouse_raw_event, 1116 .event = magicmouse_event, 1117 .input_mapping = magicmouse_input_mapping, 1118 .input_configured = magicmouse_input_configured, 1119 #ifdef CONFIG_PM 1120 .reset_resume = magicmouse_reset_resume, 1121 #endif 1122 }; 1123 module_hid_driver(magicmouse_driver); 1124 1125 MODULE_DESCRIPTION("Apple \"Magic\" Wireless Mouse driver"); 1126 MODULE_LICENSE("GPL"); 1127