1 /* 2 * USB HID quirks 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) 2006-2007 Jiri Kosina 8 * Copyright (c) 2007 Paul Walmsley 9 * Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com> 10 */ 11 12 /* 13 * This program is free software; you can redistribute it and/or modify it 14 * under the terms of the GNU General Public License as published by the Free 15 * Software Foundation; either version 2 of the License, or (at your option) 16 * any later version. 17 */ 18 19 #include <linux/device.h> 20 #include <linux/hid.h> 21 #include <linux/module.h> 22 #include <linux/usb.h> 23 24 #include "hid-ids.h" 25 26 #define APPLE_RDESC_JIS 0x0001 27 #define APPLE_IGNORE_MOUSE 0x0002 28 #define APPLE_HAS_FN 0x0004 29 #define APPLE_HIDDEV 0x0008 30 #define APPLE_ISO_KEYBOARD 0x0010 31 #define APPLE_MIGHTYMOUSE 0x0020 32 #define APPLE_INVERT_HWHEEL 0x0040 33 #define APPLE_IGNORE_HIDINPUT 0x0080 34 #define APPLE_NUMLOCK_EMULATION 0x0100 35 36 #define APPLE_FLAG_FKEY 0x01 37 38 static unsigned int fnmode = 1; 39 module_param(fnmode, uint, 0644); 40 MODULE_PARM_DESC(fnmode, "Mode of fn key on Apple keyboards (0 = disabled, " 41 "[1] = fkeyslast, 2 = fkeysfirst)"); 42 43 static unsigned int iso_layout = 1; 44 module_param(iso_layout, uint, 0644); 45 MODULE_PARM_DESC(iso_layout, "Enable/Disable hardcoded ISO-layout of the keyboard. " 46 "(0 = disabled, [1] = enabled)"); 47 48 struct apple_sc { 49 unsigned long quirks; 50 unsigned int fn_on; 51 DECLARE_BITMAP(pressed_fn, KEY_CNT); 52 DECLARE_BITMAP(pressed_numlock, KEY_CNT); 53 }; 54 55 struct apple_key_translation { 56 u16 from; 57 u16 to; 58 u8 flags; 59 }; 60 61 static const struct apple_key_translation apple_fn_keys[] = { 62 { KEY_BACKSPACE, KEY_DELETE }, 63 { KEY_ENTER, KEY_INSERT }, 64 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, 65 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, 66 { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY }, 67 { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY }, 68 { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, 69 { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, 70 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY }, 71 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY }, 72 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY }, 73 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY }, 74 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, 75 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, 76 { KEY_UP, KEY_PAGEUP }, 77 { KEY_DOWN, KEY_PAGEDOWN }, 78 { KEY_LEFT, KEY_HOME }, 79 { KEY_RIGHT, KEY_END }, 80 { } 81 }; 82 83 static const struct apple_key_translation powerbook_fn_keys[] = { 84 { KEY_BACKSPACE, KEY_DELETE }, 85 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, 86 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, 87 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY }, 88 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, 89 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, 90 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY }, 91 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY }, 92 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY }, 93 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, 94 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, 95 { KEY_UP, KEY_PAGEUP }, 96 { KEY_DOWN, KEY_PAGEDOWN }, 97 { KEY_LEFT, KEY_HOME }, 98 { KEY_RIGHT, KEY_END }, 99 { } 100 }; 101 102 static const struct apple_key_translation powerbook_numlock_keys[] = { 103 { KEY_J, KEY_KP1 }, 104 { KEY_K, KEY_KP2 }, 105 { KEY_L, KEY_KP3 }, 106 { KEY_U, KEY_KP4 }, 107 { KEY_I, KEY_KP5 }, 108 { KEY_O, KEY_KP6 }, 109 { KEY_7, KEY_KP7 }, 110 { KEY_8, KEY_KP8 }, 111 { KEY_9, KEY_KP9 }, 112 { KEY_M, KEY_KP0 }, 113 { KEY_DOT, KEY_KPDOT }, 114 { KEY_SLASH, KEY_KPPLUS }, 115 { KEY_SEMICOLON, KEY_KPMINUS }, 116 { KEY_P, KEY_KPASTERISK }, 117 { KEY_MINUS, KEY_KPEQUAL }, 118 { KEY_0, KEY_KPSLASH }, 119 { KEY_F6, KEY_NUMLOCK }, 120 { KEY_KPENTER, KEY_KPENTER }, 121 { KEY_BACKSPACE, KEY_BACKSPACE }, 122 { } 123 }; 124 125 static const struct apple_key_translation apple_iso_keyboard[] = { 126 { KEY_GRAVE, KEY_102ND }, 127 { KEY_102ND, KEY_GRAVE }, 128 { } 129 }; 130 131 static const struct apple_key_translation *apple_find_translation( 132 const struct apple_key_translation *table, u16 from) 133 { 134 const struct apple_key_translation *trans; 135 136 /* Look for the translation */ 137 for (trans = table; trans->from; trans++) 138 if (trans->from == from) 139 return trans; 140 141 return NULL; 142 } 143 144 static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, 145 struct hid_usage *usage, __s32 value) 146 { 147 struct apple_sc *asc = hid_get_drvdata(hid); 148 const struct apple_key_translation *trans; 149 150 if (usage->code == KEY_FN) { 151 asc->fn_on = !!value; 152 input_event(input, usage->type, usage->code, value); 153 return 1; 154 } 155 156 if (fnmode) { 157 int do_translate; 158 159 trans = apple_find_translation((hid->product < 0x21d || 160 hid->product >= 0x300) ? 161 powerbook_fn_keys : apple_fn_keys, 162 usage->code); 163 if (trans) { 164 if (test_bit(usage->code, asc->pressed_fn)) 165 do_translate = 1; 166 else if (trans->flags & APPLE_FLAG_FKEY) 167 do_translate = (fnmode == 2 && asc->fn_on) || 168 (fnmode == 1 && !asc->fn_on); 169 else 170 do_translate = asc->fn_on; 171 172 if (do_translate) { 173 if (value) 174 set_bit(usage->code, asc->pressed_fn); 175 else 176 clear_bit(usage->code, asc->pressed_fn); 177 178 input_event(input, usage->type, trans->to, 179 value); 180 181 return 1; 182 } 183 } 184 185 if (asc->quirks & APPLE_NUMLOCK_EMULATION && 186 (test_bit(usage->code, asc->pressed_numlock) || 187 test_bit(LED_NUML, input->led))) { 188 trans = apple_find_translation(powerbook_numlock_keys, 189 usage->code); 190 191 if (trans) { 192 if (value) 193 set_bit(usage->code, 194 asc->pressed_numlock); 195 else 196 clear_bit(usage->code, 197 asc->pressed_numlock); 198 199 input_event(input, usage->type, trans->to, 200 value); 201 } 202 203 return 1; 204 } 205 } 206 207 if (iso_layout) { 208 if (asc->quirks & APPLE_ISO_KEYBOARD) { 209 trans = apple_find_translation(apple_iso_keyboard, usage->code); 210 if (trans) { 211 input_event(input, usage->type, trans->to, value); 212 return 1; 213 } 214 } 215 } 216 217 return 0; 218 } 219 220 static int apple_event(struct hid_device *hdev, struct hid_field *field, 221 struct hid_usage *usage, __s32 value) 222 { 223 struct apple_sc *asc = hid_get_drvdata(hdev); 224 225 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || 226 !usage->type) 227 return 0; 228 229 if ((asc->quirks & APPLE_INVERT_HWHEEL) && 230 usage->code == REL_HWHEEL) { 231 input_event(field->hidinput->input, usage->type, usage->code, 232 -value); 233 return 1; 234 } 235 236 if ((asc->quirks & APPLE_HAS_FN) && 237 hidinput_apple_event(hdev, field->hidinput->input, 238 usage, value)) 239 return 1; 240 241 242 return 0; 243 } 244 245 /* 246 * MacBook JIS keyboard has wrong logical maximum 247 */ 248 static void apple_report_fixup(struct hid_device *hdev, __u8 *rdesc, 249 unsigned int rsize) 250 { 251 struct apple_sc *asc = hid_get_drvdata(hdev); 252 253 if ((asc->quirks & APPLE_RDESC_JIS) && rsize >= 60 && 254 rdesc[53] == 0x65 && rdesc[59] == 0x65) { 255 dev_info(&hdev->dev, "fixing up MacBook JIS keyboard report " 256 "descriptor\n"); 257 rdesc[53] = rdesc[59] = 0xe7; 258 } 259 } 260 261 static void apple_setup_input(struct input_dev *input) 262 { 263 const struct apple_key_translation *trans; 264 265 set_bit(KEY_NUMLOCK, input->keybit); 266 267 /* Enable all needed keys */ 268 for (trans = apple_fn_keys; trans->from; trans++) 269 set_bit(trans->to, input->keybit); 270 271 for (trans = powerbook_fn_keys; trans->from; trans++) 272 set_bit(trans->to, input->keybit); 273 274 for (trans = powerbook_numlock_keys; trans->from; trans++) 275 set_bit(trans->to, input->keybit); 276 277 for (trans = apple_iso_keyboard; trans->from; trans++) 278 set_bit(trans->to, input->keybit); 279 } 280 281 static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi, 282 struct hid_field *field, struct hid_usage *usage, 283 unsigned long **bit, int *max) 284 { 285 if (usage->hid == (HID_UP_CUSTOM | 0x0003)) { 286 /* The fn key on Apple USB keyboards */ 287 set_bit(EV_REP, hi->input->evbit); 288 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN); 289 apple_setup_input(hi->input); 290 return 1; 291 } 292 293 /* we want the hid layer to go through standard path (set and ignore) */ 294 return 0; 295 } 296 297 static int apple_input_mapped(struct hid_device *hdev, struct hid_input *hi, 298 struct hid_field *field, struct hid_usage *usage, 299 unsigned long **bit, int *max) 300 { 301 struct apple_sc *asc = hid_get_drvdata(hdev); 302 303 if (asc->quirks & APPLE_MIGHTYMOUSE) { 304 if (usage->hid == HID_GD_Z) 305 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); 306 else if (usage->code == BTN_1) 307 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_2); 308 else if (usage->code == BTN_2) 309 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_1); 310 } 311 312 return 0; 313 } 314 315 static int apple_probe(struct hid_device *hdev, 316 const struct hid_device_id *id) 317 { 318 unsigned long quirks = id->driver_data; 319 struct apple_sc *asc; 320 unsigned int connect_mask = HID_CONNECT_DEFAULT; 321 int ret; 322 323 asc = kzalloc(sizeof(*asc), GFP_KERNEL); 324 if (asc == NULL) { 325 dev_err(&hdev->dev, "can't alloc apple descriptor\n"); 326 return -ENOMEM; 327 } 328 329 asc->quirks = quirks; 330 331 hid_set_drvdata(hdev, asc); 332 333 ret = hid_parse(hdev); 334 if (ret) { 335 dev_err(&hdev->dev, "parse failed\n"); 336 goto err_free; 337 } 338 339 if (quirks & APPLE_HIDDEV) 340 connect_mask |= HID_CONNECT_HIDDEV_FORCE; 341 if (quirks & APPLE_IGNORE_HIDINPUT) 342 connect_mask &= ~HID_CONNECT_HIDINPUT; 343 344 ret = hid_hw_start(hdev, connect_mask); 345 if (ret) { 346 dev_err(&hdev->dev, "hw start failed\n"); 347 goto err_free; 348 } 349 350 return 0; 351 err_free: 352 kfree(asc); 353 return ret; 354 } 355 356 static void apple_remove(struct hid_device *hdev) 357 { 358 hid_hw_stop(hdev); 359 kfree(hid_get_drvdata(hdev)); 360 } 361 362 static const struct hid_device_id apple_devices[] = { 363 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL), 364 .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, 365 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4), 366 .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, 367 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE), 368 .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL }, 369 370 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI), 371 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 372 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO), 373 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 374 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI), 375 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 376 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO), 377 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 378 APPLE_ISO_KEYBOARD }, 379 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS), 380 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 381 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI), 382 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 383 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO), 384 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 385 APPLE_ISO_KEYBOARD }, 386 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS), 387 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 388 APPLE_RDESC_JIS }, 389 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI), 390 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 391 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO), 392 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 393 APPLE_ISO_KEYBOARD }, 394 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS), 395 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 396 APPLE_RDESC_JIS }, 397 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI), 398 .driver_data = APPLE_HAS_FN }, 399 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO), 400 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, 401 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS), 402 .driver_data = APPLE_HAS_FN }, 403 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI), 404 .driver_data = APPLE_HAS_FN }, 405 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO), 406 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, 407 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS), 408 .driver_data = APPLE_HAS_FN }, 409 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI), 410 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 411 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO), 412 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 413 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS), 414 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 415 APPLE_RDESC_JIS }, 416 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), 417 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 418 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO), 419 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 420 APPLE_ISO_KEYBOARD }, 421 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS), 422 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 423 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI), 424 .driver_data = APPLE_HAS_FN }, 425 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO), 426 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, 427 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS), 428 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, 429 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI), 430 .driver_data = APPLE_HAS_FN }, 431 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO), 432 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, 433 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS), 434 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, 435 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI), 436 .driver_data = APPLE_HAS_FN }, 437 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO), 438 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, 439 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS), 440 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, 441 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI), 442 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 443 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), 444 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 445 APPLE_ISO_KEYBOARD }, 446 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS), 447 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 448 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY), 449 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 450 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY), 451 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 452 453 { } 454 }; 455 MODULE_DEVICE_TABLE(hid, apple_devices); 456 457 static struct hid_driver apple_driver = { 458 .name = "apple", 459 .id_table = apple_devices, 460 .report_fixup = apple_report_fixup, 461 .probe = apple_probe, 462 .remove = apple_remove, 463 .event = apple_event, 464 .input_mapping = apple_input_mapping, 465 .input_mapped = apple_input_mapped, 466 }; 467 468 static int __init apple_init(void) 469 { 470 int ret; 471 472 ret = hid_register_driver(&apple_driver); 473 if (ret) 474 printk(KERN_ERR "can't register apple driver\n"); 475 476 return ret; 477 } 478 479 static void __exit apple_exit(void) 480 { 481 hid_unregister_driver(&apple_driver); 482 } 483 484 module_init(apple_init); 485 module_exit(apple_exit); 486 MODULE_LICENSE("GPL"); 487