1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * HID driver for Lenovo: 4 * - ThinkPad USB Keyboard with TrackPoint (tpkbd) 5 * - ThinkPad Compact Bluetooth Keyboard with TrackPoint (cptkbd) 6 * - ThinkPad Compact USB Keyboard with TrackPoint (cptkbd) 7 * - ThinkPad TrackPoint Keyboard II USB/Bluetooth (cptkbd/tpIIkbd) 8 * 9 * Copyright (c) 2012 Bernhard Seibold 10 * Copyright (c) 2014 Jamie Lentin <jm@lentin.co.uk> 11 * 12 * Linux IBM/Lenovo Scrollpoint mouse driver: 13 * - IBM Scrollpoint III 14 * - IBM Scrollpoint Pro 15 * - IBM Scrollpoint Optical 16 * - IBM Scrollpoint Optical 800dpi 17 * - IBM Scrollpoint Optical 800dpi Pro 18 * - Lenovo Scrollpoint Optical 19 * 20 * Copyright (c) 2012 Peter De Wachter <pdewacht@gmail.com> 21 * Copyright (c) 2018 Peter Ganzhorn <peter.ganzhorn@gmail.com> 22 */ 23 24 /* 25 */ 26 27 #include <linux/module.h> 28 #include <linux/sysfs.h> 29 #include <linux/device.h> 30 #include <linux/hid.h> 31 #include <linux/input.h> 32 #include <linux/leds.h> 33 #include <linux/workqueue.h> 34 35 #include "hid-ids.h" 36 37 /* Userspace expects F20 for mic-mute KEY_MICMUTE does not work */ 38 #define LENOVO_KEY_MICMUTE KEY_F20 39 40 struct lenovo_drvdata { 41 u8 led_report[3]; /* Must be first for proper alignment */ 42 int led_state; 43 struct mutex led_report_mutex; 44 struct led_classdev led_mute; 45 struct led_classdev led_micmute; 46 struct work_struct fn_lock_sync_work; 47 struct hid_device *hdev; 48 int press_to_select; 49 int dragging; 50 int release_to_select; 51 int select_right; 52 int sensitivity; 53 int press_speed; 54 u8 middlebutton_state; /* 0:Up, 1:Down (undecided), 2:Scrolling */ 55 bool fn_lock; 56 }; 57 58 #define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c)) 59 60 #define TP10UBKBD_LED_OUTPUT_REPORT 9 61 62 #define TP10UBKBD_FN_LOCK_LED 0x54 63 #define TP10UBKBD_MUTE_LED 0x64 64 #define TP10UBKBD_MICMUTE_LED 0x74 65 66 #define TP10UBKBD_LED_OFF 1 67 #define TP10UBKBD_LED_ON 2 68 69 static int lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code, 70 enum led_brightness value) 71 { 72 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 73 int ret; 74 75 mutex_lock(&data->led_report_mutex); 76 77 data->led_report[0] = TP10UBKBD_LED_OUTPUT_REPORT; 78 data->led_report[1] = led_code; 79 data->led_report[2] = value ? TP10UBKBD_LED_ON : TP10UBKBD_LED_OFF; 80 ret = hid_hw_raw_request(hdev, data->led_report[0], data->led_report, 3, 81 HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); 82 if (ret != 3) { 83 if (ret != -ENODEV) 84 hid_err(hdev, "Set LED output report error: %d\n", ret); 85 86 ret = ret < 0 ? ret : -EIO; 87 } else { 88 ret = 0; 89 } 90 91 mutex_unlock(&data->led_report_mutex); 92 93 return ret; 94 } 95 96 static void lenovo_tp10ubkbd_sync_fn_lock(struct work_struct *work) 97 { 98 struct lenovo_drvdata *data = 99 container_of(work, struct lenovo_drvdata, fn_lock_sync_work); 100 101 lenovo_led_set_tp10ubkbd(data->hdev, TP10UBKBD_FN_LOCK_LED, 102 data->fn_lock); 103 } 104 105 static const __u8 lenovo_pro_dock_need_fixup_collection[] = { 106 0x05, 0x88, /* Usage Page (Vendor Usage Page 0x88) */ 107 0x09, 0x01, /* Usage (Vendor Usage 0x01) */ 108 0xa1, 0x01, /* Collection (Application) */ 109 0x85, 0x04, /* Report ID (4) */ 110 0x19, 0x00, /* Usage Minimum (0) */ 111 0x2a, 0xff, 0xff, /* Usage Maximum (65535) */ 112 }; 113 114 /* Broken ThinkPad TrackPoint II collection (Bluetooth mode) */ 115 static const __u8 lenovo_tpIIbtkbd_need_fixup_collection[] = { 116 0x06, 0x00, 0xFF, /* Usage Page (Vendor Defined 0xFF00) */ 117 0x09, 0x01, /* Usage (0x01) */ 118 0xA1, 0x01, /* Collection (Application) */ 119 0x85, 0x05, /* Report ID (5) */ 120 0x1A, 0xF1, 0x00, /* Usage Minimum (0xF1) */ 121 0x2A, 0xFC, 0x00, /* Usage Maximum (0xFC) */ 122 0x15, 0x00, /* Logical Minimum (0) */ 123 0x25, 0x01, /* Logical Maximum (1) */ 124 0x75, 0x01, /* Report Size (1) */ 125 0x95, 0x0D, /* Report Count (13) */ 126 0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */ 127 0x95, 0x03, /* Report Count (3) */ 128 0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */ 129 }; 130 131 static __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc, 132 unsigned int *rsize) 133 { 134 switch (hdev->product) { 135 case USB_DEVICE_ID_LENOVO_TPPRODOCK: 136 /* the fixups that need to be done: 137 * - get a reasonable usage max for the vendor collection 138 * 0x8801 from the report ID 4 139 */ 140 if (*rsize >= 153 && 141 memcmp(&rdesc[140], lenovo_pro_dock_need_fixup_collection, 142 sizeof(lenovo_pro_dock_need_fixup_collection)) == 0) { 143 rdesc[151] = 0x01; 144 rdesc[152] = 0x00; 145 } 146 break; 147 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 148 if (*rsize >= 263 && 149 memcmp(&rdesc[234], lenovo_tpIIbtkbd_need_fixup_collection, 150 sizeof(lenovo_tpIIbtkbd_need_fixup_collection)) == 0) { 151 rdesc[244] = 0x00; /* usage minimum = 0x00 */ 152 rdesc[247] = 0xff; /* usage maximum = 0xff */ 153 rdesc[252] = 0xff; /* logical maximum = 0xff */ 154 rdesc[254] = 0x08; /* report size = 0x08 */ 155 rdesc[256] = 0x01; /* report count = 0x01 */ 156 rdesc[258] = 0x00; /* input = 0x00 */ 157 rdesc[260] = 0x01; /* report count (2) = 0x01 */ 158 } 159 break; 160 } 161 return rdesc; 162 } 163 164 static int lenovo_input_mapping_tpkbd(struct hid_device *hdev, 165 struct hid_input *hi, struct hid_field *field, 166 struct hid_usage *usage, unsigned long **bit, int *max) 167 { 168 if (usage->hid == (HID_UP_BUTTON | 0x0010)) { 169 /* This sub-device contains trackpoint, mark it */ 170 hid_set_drvdata(hdev, (void *)1); 171 map_key_clear(LENOVO_KEY_MICMUTE); 172 return 1; 173 } 174 return 0; 175 } 176 177 static int lenovo_input_mapping_cptkbd(struct hid_device *hdev, 178 struct hid_input *hi, struct hid_field *field, 179 struct hid_usage *usage, unsigned long **bit, int *max) 180 { 181 /* HID_UP_LNVENDOR = USB, HID_UP_MSVENDOR = BT */ 182 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR || 183 (usage->hid & HID_USAGE_PAGE) == HID_UP_LNVENDOR) { 184 switch (usage->hid & HID_USAGE) { 185 case 0x00f1: /* Fn-F4: Mic mute */ 186 map_key_clear(LENOVO_KEY_MICMUTE); 187 return 1; 188 case 0x00f2: /* Fn-F5: Brightness down */ 189 map_key_clear(KEY_BRIGHTNESSDOWN); 190 return 1; 191 case 0x00f3: /* Fn-F6: Brightness up */ 192 map_key_clear(KEY_BRIGHTNESSUP); 193 return 1; 194 case 0x00f4: /* Fn-F7: External display (projector) */ 195 map_key_clear(KEY_SWITCHVIDEOMODE); 196 return 1; 197 case 0x00f5: /* Fn-F8: Wireless */ 198 map_key_clear(KEY_WLAN); 199 return 1; 200 case 0x00f6: /* Fn-F9: Control panel */ 201 map_key_clear(KEY_CONFIG); 202 return 1; 203 case 0x00f8: /* Fn-F11: View open applications (3 boxes) */ 204 map_key_clear(KEY_SCALE); 205 return 1; 206 case 0x00f9: /* Fn-F12: Open My computer (6 boxes) USB-only */ 207 /* NB: This mapping is invented in raw_event below */ 208 map_key_clear(KEY_FILE); 209 return 1; 210 case 0x00fa: /* Fn-Esc: Fn-lock toggle */ 211 map_key_clear(KEY_FN_ESC); 212 return 1; 213 case 0x00fb: /* Middle mouse button (in native mode) */ 214 map_key_clear(BTN_MIDDLE); 215 return 1; 216 } 217 } 218 219 /* Compatibility middle/wheel mappings should be ignored */ 220 if (usage->hid == HID_GD_WHEEL) 221 return -1; 222 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON && 223 (usage->hid & HID_USAGE) == 0x003) 224 return -1; 225 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER && 226 (usage->hid & HID_USAGE) == 0x238) 227 return -1; 228 229 /* Map wheel emulation reports: 0xffa1 = USB, 0xff10 = BT */ 230 if ((usage->hid & HID_USAGE_PAGE) == 0xff100000 || 231 (usage->hid & HID_USAGE_PAGE) == 0xffa10000) { 232 field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE; 233 field->logical_minimum = -127; 234 field->logical_maximum = 127; 235 236 switch (usage->hid & HID_USAGE) { 237 case 0x0000: 238 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); 239 return 1; 240 case 0x0001: 241 hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL); 242 return 1; 243 default: 244 return -1; 245 } 246 } 247 248 return 0; 249 } 250 251 static int lenovo_input_mapping_tpIIkbd(struct hid_device *hdev, 252 struct hid_input *hi, struct hid_field *field, 253 struct hid_usage *usage, unsigned long **bit, int *max) 254 { 255 /* 256 * 0xff0a0000 = USB, HID_UP_MSVENDOR = BT. 257 * 258 * In BT mode, there are two HID_UP_MSVENDOR pages. 259 * Use only the page that contains report ID == 5. 260 */ 261 if (((usage->hid & HID_USAGE_PAGE) == 0xff0a0000 || 262 (usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) && 263 field->report->id == 5) { 264 switch (usage->hid & HID_USAGE) { 265 case 0x00bb: /* Fn-F4: Mic mute */ 266 map_key_clear(LENOVO_KEY_MICMUTE); 267 return 1; 268 case 0x00c3: /* Fn-F5: Brightness down */ 269 map_key_clear(KEY_BRIGHTNESSDOWN); 270 return 1; 271 case 0x00c4: /* Fn-F6: Brightness up */ 272 map_key_clear(KEY_BRIGHTNESSUP); 273 return 1; 274 case 0x00c1: /* Fn-F8: Notification center */ 275 map_key_clear(KEY_NOTIFICATION_CENTER); 276 return 1; 277 case 0x00bc: /* Fn-F9: Control panel */ 278 map_key_clear(KEY_CONFIG); 279 return 1; 280 case 0x00b6: /* Fn-F10: Bluetooth */ 281 map_key_clear(KEY_BLUETOOTH); 282 return 1; 283 case 0x00b7: /* Fn-F11: Keyboard config */ 284 map_key_clear(KEY_KEYBOARD); 285 return 1; 286 case 0x00b8: /* Fn-F12: User function */ 287 map_key_clear(KEY_PROG1); 288 return 1; 289 case 0x00b9: /* Fn-PrtSc: Snipping tool */ 290 map_key_clear(KEY_SELECTIVE_SCREENSHOT); 291 return 1; 292 case 0x00b5: /* Fn-Esc: Fn-lock toggle */ 293 map_key_clear(KEY_FN_ESC); 294 return 1; 295 } 296 } 297 298 if ((usage->hid & HID_USAGE_PAGE) == 0xffa00000) { 299 switch (usage->hid & HID_USAGE) { 300 case 0x00fb: /* Middle mouse (in native USB mode) */ 301 map_key_clear(BTN_MIDDLE); 302 return 1; 303 } 304 } 305 306 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR && 307 field->report->id == 21) { 308 switch (usage->hid & HID_USAGE) { 309 case 0x0004: /* Middle mouse (in native Bluetooth mode) */ 310 map_key_clear(BTN_MIDDLE); 311 return 1; 312 } 313 } 314 315 /* Compatibility middle/wheel mappings should be ignored */ 316 if (usage->hid == HID_GD_WHEEL) 317 return -1; 318 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON && 319 (usage->hid & HID_USAGE) == 0x003) 320 return -1; 321 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER && 322 (usage->hid & HID_USAGE) == 0x238) 323 return -1; 324 325 /* Map wheel emulation reports: 0xff10 */ 326 if ((usage->hid & HID_USAGE_PAGE) == 0xff100000) { 327 field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE; 328 field->logical_minimum = -127; 329 field->logical_maximum = 127; 330 331 switch (usage->hid & HID_USAGE) { 332 case 0x0000: 333 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); 334 return 1; 335 case 0x0001: 336 hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL); 337 return 1; 338 default: 339 return -1; 340 } 341 } 342 343 return 0; 344 } 345 346 static int lenovo_input_mapping_scrollpoint(struct hid_device *hdev, 347 struct hid_input *hi, struct hid_field *field, 348 struct hid_usage *usage, unsigned long **bit, int *max) 349 { 350 if (usage->hid == HID_GD_Z) { 351 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); 352 return 1; 353 } 354 return 0; 355 } 356 357 static int lenovo_input_mapping_tp10_ultrabook_kbd(struct hid_device *hdev, 358 struct hid_input *hi, struct hid_field *field, 359 struct hid_usage *usage, unsigned long **bit, int *max) 360 { 361 /* 362 * The ThinkPad 10 Ultrabook Keyboard uses 0x000c0001 usage for 363 * a bunch of keys which have no standard consumer page code. 364 */ 365 if (usage->hid == 0x000c0001) { 366 switch (usage->usage_index) { 367 case 8: /* Fn-Esc: Fn-lock toggle */ 368 map_key_clear(KEY_FN_ESC); 369 return 1; 370 case 9: /* Fn-F4: Mic mute */ 371 map_key_clear(LENOVO_KEY_MICMUTE); 372 return 1; 373 case 10: /* Fn-F7: Control panel */ 374 map_key_clear(KEY_CONFIG); 375 return 1; 376 case 11: /* Fn-F8: Search (magnifier glass) */ 377 map_key_clear(KEY_SEARCH); 378 return 1; 379 case 12: /* Fn-F10: Open My computer (6 boxes) */ 380 map_key_clear(KEY_FILE); 381 return 1; 382 } 383 } 384 385 /* 386 * The Ultrabook Keyboard sends a spurious F23 key-press when resuming 387 * from suspend and it does not actually have a F23 key, ignore it. 388 */ 389 if (usage->hid == 0x00070072) 390 return -1; 391 392 return 0; 393 } 394 395 static int lenovo_input_mapping_x1_tab_kbd(struct hid_device *hdev, 396 struct hid_input *hi, struct hid_field *field, 397 struct hid_usage *usage, unsigned long **bit, int *max) 398 { 399 /* 400 * The ThinkPad X1 Tablet Thin Keyboard uses 0x000c0001 usage for 401 * a bunch of keys which have no standard consumer page code. 402 */ 403 if (usage->hid == 0x000c0001) { 404 switch (usage->usage_index) { 405 case 0: /* Fn-F10: Enable/disable bluetooth */ 406 map_key_clear(KEY_BLUETOOTH); 407 return 1; 408 case 1: /* Fn-F11: Keyboard settings */ 409 map_key_clear(KEY_KEYBOARD); 410 return 1; 411 case 2: /* Fn-F12: User function / Cortana */ 412 map_key_clear(KEY_MACRO1); 413 return 1; 414 case 3: /* Fn-PrtSc: Snipping tool */ 415 map_key_clear(KEY_SELECTIVE_SCREENSHOT); 416 return 1; 417 case 8: /* Fn-Esc: Fn-lock toggle */ 418 map_key_clear(KEY_FN_ESC); 419 return 1; 420 case 9: /* Fn-F4: Mute/unmute microphone */ 421 map_key_clear(KEY_MICMUTE); 422 return 1; 423 case 10: /* Fn-F9: Settings */ 424 map_key_clear(KEY_CONFIG); 425 return 1; 426 case 13: /* Fn-F7: Manage external displays */ 427 map_key_clear(KEY_SWITCHVIDEOMODE); 428 return 1; 429 case 14: /* Fn-F8: Enable/disable wifi */ 430 map_key_clear(KEY_WLAN); 431 return 1; 432 } 433 } 434 435 if (usage->hid == (HID_UP_KEYBOARD | 0x009a)) { 436 map_key_clear(KEY_SYSRQ); 437 return 1; 438 } 439 440 return 0; 441 } 442 443 static int lenovo_input_mapping(struct hid_device *hdev, 444 struct hid_input *hi, struct hid_field *field, 445 struct hid_usage *usage, unsigned long **bit, int *max) 446 { 447 switch (hdev->product) { 448 case USB_DEVICE_ID_LENOVO_TPKBD: 449 return lenovo_input_mapping_tpkbd(hdev, hi, field, 450 usage, bit, max); 451 case USB_DEVICE_ID_LENOVO_CUSBKBD: 452 case USB_DEVICE_ID_LENOVO_CBTKBD: 453 return lenovo_input_mapping_cptkbd(hdev, hi, field, 454 usage, bit, max); 455 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 456 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 457 return lenovo_input_mapping_tpIIkbd(hdev, hi, field, 458 usage, bit, max); 459 case USB_DEVICE_ID_IBM_SCROLLPOINT_III: 460 case USB_DEVICE_ID_IBM_SCROLLPOINT_PRO: 461 case USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL: 462 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL: 463 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO: 464 case USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL: 465 return lenovo_input_mapping_scrollpoint(hdev, hi, field, 466 usage, bit, max); 467 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 468 return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field, 469 usage, bit, max); 470 case USB_DEVICE_ID_LENOVO_X1_TAB: 471 return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max); 472 default: 473 return 0; 474 } 475 } 476 477 #undef map_key_clear 478 479 /* Send a config command to the keyboard */ 480 static int lenovo_send_cmd_cptkbd(struct hid_device *hdev, 481 unsigned char byte2, unsigned char byte3) 482 { 483 int ret; 484 unsigned char *buf; 485 486 buf = kzalloc(3, GFP_KERNEL); 487 if (!buf) 488 return -ENOMEM; 489 490 /* 491 * Feature report 0x13 is used for USB, 492 * output report 0x18 is used for Bluetooth. 493 * buf[0] is ignored by hid_hw_raw_request. 494 */ 495 buf[0] = 0x18; 496 buf[1] = byte2; 497 buf[2] = byte3; 498 499 switch (hdev->product) { 500 case USB_DEVICE_ID_LENOVO_CUSBKBD: 501 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 502 ret = hid_hw_raw_request(hdev, 0x13, buf, 3, 503 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 504 break; 505 case USB_DEVICE_ID_LENOVO_CBTKBD: 506 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 507 ret = hid_hw_output_report(hdev, buf, 3); 508 break; 509 default: 510 ret = -EINVAL; 511 break; 512 } 513 514 kfree(buf); 515 516 return ret < 0 ? ret : 0; /* BT returns 0, USB returns sizeof(buf) */ 517 } 518 519 static void lenovo_features_set_cptkbd(struct hid_device *hdev) 520 { 521 int ret; 522 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 523 524 ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock); 525 if (ret) 526 hid_err(hdev, "Fn-lock setting failed: %d\n", ret); 527 528 ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity); 529 if (ret) 530 hid_err(hdev, "Sensitivity setting failed: %d\n", ret); 531 } 532 533 static ssize_t attr_fn_lock_show(struct device *dev, 534 struct device_attribute *attr, 535 char *buf) 536 { 537 struct hid_device *hdev = to_hid_device(dev); 538 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 539 540 return snprintf(buf, PAGE_SIZE, "%u\n", data->fn_lock); 541 } 542 543 static ssize_t attr_fn_lock_store(struct device *dev, 544 struct device_attribute *attr, 545 const char *buf, 546 size_t count) 547 { 548 struct hid_device *hdev = to_hid_device(dev); 549 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 550 int value, ret; 551 552 if (kstrtoint(buf, 10, &value)) 553 return -EINVAL; 554 if (value < 0 || value > 1) 555 return -EINVAL; 556 557 data->fn_lock = !!value; 558 559 switch (hdev->product) { 560 case USB_DEVICE_ID_LENOVO_CUSBKBD: 561 case USB_DEVICE_ID_LENOVO_CBTKBD: 562 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 563 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 564 lenovo_features_set_cptkbd(hdev); 565 break; 566 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 567 case USB_DEVICE_ID_LENOVO_X1_TAB: 568 ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value); 569 if (ret) 570 return ret; 571 break; 572 } 573 574 return count; 575 } 576 577 static ssize_t attr_sensitivity_show_cptkbd(struct device *dev, 578 struct device_attribute *attr, 579 char *buf) 580 { 581 struct hid_device *hdev = to_hid_device(dev); 582 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 583 584 return snprintf(buf, PAGE_SIZE, "%u\n", 585 cptkbd_data->sensitivity); 586 } 587 588 static ssize_t attr_sensitivity_store_cptkbd(struct device *dev, 589 struct device_attribute *attr, 590 const char *buf, 591 size_t count) 592 { 593 struct hid_device *hdev = to_hid_device(dev); 594 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 595 int value; 596 597 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 598 return -EINVAL; 599 600 cptkbd_data->sensitivity = value; 601 lenovo_features_set_cptkbd(hdev); 602 603 return count; 604 } 605 606 607 static struct device_attribute dev_attr_fn_lock = 608 __ATTR(fn_lock, S_IWUSR | S_IRUGO, 609 attr_fn_lock_show, 610 attr_fn_lock_store); 611 612 static struct device_attribute dev_attr_sensitivity_cptkbd = 613 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 614 attr_sensitivity_show_cptkbd, 615 attr_sensitivity_store_cptkbd); 616 617 618 static struct attribute *lenovo_attributes_cptkbd[] = { 619 &dev_attr_fn_lock.attr, 620 &dev_attr_sensitivity_cptkbd.attr, 621 NULL 622 }; 623 624 static const struct attribute_group lenovo_attr_group_cptkbd = { 625 .attrs = lenovo_attributes_cptkbd, 626 }; 627 628 static int lenovo_raw_event(struct hid_device *hdev, 629 struct hid_report *report, u8 *data, int size) 630 { 631 /* 632 * Compact USB keyboard's Fn-F12 report holds down many other keys, and 633 * its own key is outside the usage page range. Remove extra 634 * keypresses and remap to inside usage page. 635 */ 636 if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD 637 && size == 3 638 && data[0] == 0x15 639 && data[1] == 0x94 640 && data[2] == 0x01)) { 641 data[1] = 0x00; 642 data[2] = 0x01; 643 } 644 645 return 0; 646 } 647 648 static int lenovo_event_tp10ubkbd(struct hid_device *hdev, 649 struct hid_field *field, struct hid_usage *usage, __s32 value) 650 { 651 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 652 653 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 654 /* 655 * The user has toggled the Fn-lock state. Toggle our own 656 * cached value of it and sync our value to the keyboard to 657 * ensure things are in sync (the sycning should be a no-op). 658 */ 659 data->fn_lock = !data->fn_lock; 660 schedule_work(&data->fn_lock_sync_work); 661 } 662 663 return 0; 664 } 665 666 static int lenovo_event_cptkbd(struct hid_device *hdev, 667 struct hid_field *field, struct hid_usage *usage, __s32 value) 668 { 669 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 670 671 /* "wheel" scroll events */ 672 if (usage->type == EV_REL && (usage->code == REL_WHEEL || 673 usage->code == REL_HWHEEL)) { 674 /* Scroll events disable middle-click event */ 675 cptkbd_data->middlebutton_state = 2; 676 return 0; 677 } 678 679 /* Middle click events */ 680 if (usage->type == EV_KEY && usage->code == BTN_MIDDLE) { 681 if (value == 1) { 682 cptkbd_data->middlebutton_state = 1; 683 } else if (value == 0) { 684 if (cptkbd_data->middlebutton_state == 1) { 685 /* No scrolling inbetween, send middle-click */ 686 input_event(field->hidinput->input, 687 EV_KEY, BTN_MIDDLE, 1); 688 input_sync(field->hidinput->input); 689 input_event(field->hidinput->input, 690 EV_KEY, BTN_MIDDLE, 0); 691 input_sync(field->hidinput->input); 692 } 693 cptkbd_data->middlebutton_state = 0; 694 } 695 return 1; 696 } 697 698 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 699 /* 700 * The user has toggled the Fn-lock state. Toggle our own 701 * cached value of it and sync our value to the keyboard to 702 * ensure things are in sync (the syncing should be a no-op). 703 */ 704 cptkbd_data->fn_lock = !cptkbd_data->fn_lock; 705 } 706 707 return 0; 708 } 709 710 static int lenovo_event(struct hid_device *hdev, struct hid_field *field, 711 struct hid_usage *usage, __s32 value) 712 { 713 if (!hid_get_drvdata(hdev)) 714 return 0; 715 716 switch (hdev->product) { 717 case USB_DEVICE_ID_LENOVO_CUSBKBD: 718 case USB_DEVICE_ID_LENOVO_CBTKBD: 719 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 720 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 721 return lenovo_event_cptkbd(hdev, field, usage, value); 722 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 723 case USB_DEVICE_ID_LENOVO_X1_TAB: 724 return lenovo_event_tp10ubkbd(hdev, field, usage, value); 725 default: 726 return 0; 727 } 728 } 729 730 static int lenovo_features_set_tpkbd(struct hid_device *hdev) 731 { 732 struct hid_report *report; 733 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 734 735 report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4]; 736 737 report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02; 738 report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08; 739 report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20; 740 report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40; 741 report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver 742 report->field[2]->value[0] = data_pointer->sensitivity; 743 report->field[3]->value[0] = data_pointer->press_speed; 744 745 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 746 return 0; 747 } 748 749 static ssize_t attr_press_to_select_show_tpkbd(struct device *dev, 750 struct device_attribute *attr, 751 char *buf) 752 { 753 struct hid_device *hdev = to_hid_device(dev); 754 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 755 756 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select); 757 } 758 759 static ssize_t attr_press_to_select_store_tpkbd(struct device *dev, 760 struct device_attribute *attr, 761 const char *buf, 762 size_t count) 763 { 764 struct hid_device *hdev = to_hid_device(dev); 765 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 766 int value; 767 768 if (kstrtoint(buf, 10, &value)) 769 return -EINVAL; 770 if (value < 0 || value > 1) 771 return -EINVAL; 772 773 data_pointer->press_to_select = value; 774 lenovo_features_set_tpkbd(hdev); 775 776 return count; 777 } 778 779 static ssize_t attr_dragging_show_tpkbd(struct device *dev, 780 struct device_attribute *attr, 781 char *buf) 782 { 783 struct hid_device *hdev = to_hid_device(dev); 784 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 785 786 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging); 787 } 788 789 static ssize_t attr_dragging_store_tpkbd(struct device *dev, 790 struct device_attribute *attr, 791 const char *buf, 792 size_t count) 793 { 794 struct hid_device *hdev = to_hid_device(dev); 795 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 796 int value; 797 798 if (kstrtoint(buf, 10, &value)) 799 return -EINVAL; 800 if (value < 0 || value > 1) 801 return -EINVAL; 802 803 data_pointer->dragging = value; 804 lenovo_features_set_tpkbd(hdev); 805 806 return count; 807 } 808 809 static ssize_t attr_release_to_select_show_tpkbd(struct device *dev, 810 struct device_attribute *attr, 811 char *buf) 812 { 813 struct hid_device *hdev = to_hid_device(dev); 814 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 815 816 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select); 817 } 818 819 static ssize_t attr_release_to_select_store_tpkbd(struct device *dev, 820 struct device_attribute *attr, 821 const char *buf, 822 size_t count) 823 { 824 struct hid_device *hdev = to_hid_device(dev); 825 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 826 int value; 827 828 if (kstrtoint(buf, 10, &value)) 829 return -EINVAL; 830 if (value < 0 || value > 1) 831 return -EINVAL; 832 833 data_pointer->release_to_select = value; 834 lenovo_features_set_tpkbd(hdev); 835 836 return count; 837 } 838 839 static ssize_t attr_select_right_show_tpkbd(struct device *dev, 840 struct device_attribute *attr, 841 char *buf) 842 { 843 struct hid_device *hdev = to_hid_device(dev); 844 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 845 846 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right); 847 } 848 849 static ssize_t attr_select_right_store_tpkbd(struct device *dev, 850 struct device_attribute *attr, 851 const char *buf, 852 size_t count) 853 { 854 struct hid_device *hdev = to_hid_device(dev); 855 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 856 int value; 857 858 if (kstrtoint(buf, 10, &value)) 859 return -EINVAL; 860 if (value < 0 || value > 1) 861 return -EINVAL; 862 863 data_pointer->select_right = value; 864 lenovo_features_set_tpkbd(hdev); 865 866 return count; 867 } 868 869 static ssize_t attr_sensitivity_show_tpkbd(struct device *dev, 870 struct device_attribute *attr, 871 char *buf) 872 { 873 struct hid_device *hdev = to_hid_device(dev); 874 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 875 876 return snprintf(buf, PAGE_SIZE, "%u\n", 877 data_pointer->sensitivity); 878 } 879 880 static ssize_t attr_sensitivity_store_tpkbd(struct device *dev, 881 struct device_attribute *attr, 882 const char *buf, 883 size_t count) 884 { 885 struct hid_device *hdev = to_hid_device(dev); 886 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 887 int value; 888 889 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 890 return -EINVAL; 891 892 data_pointer->sensitivity = value; 893 lenovo_features_set_tpkbd(hdev); 894 895 return count; 896 } 897 898 static ssize_t attr_press_speed_show_tpkbd(struct device *dev, 899 struct device_attribute *attr, 900 char *buf) 901 { 902 struct hid_device *hdev = to_hid_device(dev); 903 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 904 905 return snprintf(buf, PAGE_SIZE, "%u\n", 906 data_pointer->press_speed); 907 } 908 909 static ssize_t attr_press_speed_store_tpkbd(struct device *dev, 910 struct device_attribute *attr, 911 const char *buf, 912 size_t count) 913 { 914 struct hid_device *hdev = to_hid_device(dev); 915 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 916 int value; 917 918 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 919 return -EINVAL; 920 921 data_pointer->press_speed = value; 922 lenovo_features_set_tpkbd(hdev); 923 924 return count; 925 } 926 927 static struct device_attribute dev_attr_press_to_select_tpkbd = 928 __ATTR(press_to_select, S_IWUSR | S_IRUGO, 929 attr_press_to_select_show_tpkbd, 930 attr_press_to_select_store_tpkbd); 931 932 static struct device_attribute dev_attr_dragging_tpkbd = 933 __ATTR(dragging, S_IWUSR | S_IRUGO, 934 attr_dragging_show_tpkbd, 935 attr_dragging_store_tpkbd); 936 937 static struct device_attribute dev_attr_release_to_select_tpkbd = 938 __ATTR(release_to_select, S_IWUSR | S_IRUGO, 939 attr_release_to_select_show_tpkbd, 940 attr_release_to_select_store_tpkbd); 941 942 static struct device_attribute dev_attr_select_right_tpkbd = 943 __ATTR(select_right, S_IWUSR | S_IRUGO, 944 attr_select_right_show_tpkbd, 945 attr_select_right_store_tpkbd); 946 947 static struct device_attribute dev_attr_sensitivity_tpkbd = 948 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 949 attr_sensitivity_show_tpkbd, 950 attr_sensitivity_store_tpkbd); 951 952 static struct device_attribute dev_attr_press_speed_tpkbd = 953 __ATTR(press_speed, S_IWUSR | S_IRUGO, 954 attr_press_speed_show_tpkbd, 955 attr_press_speed_store_tpkbd); 956 957 static struct attribute *lenovo_attributes_tpkbd[] = { 958 &dev_attr_press_to_select_tpkbd.attr, 959 &dev_attr_dragging_tpkbd.attr, 960 &dev_attr_release_to_select_tpkbd.attr, 961 &dev_attr_select_right_tpkbd.attr, 962 &dev_attr_sensitivity_tpkbd.attr, 963 &dev_attr_press_speed_tpkbd.attr, 964 NULL 965 }; 966 967 static const struct attribute_group lenovo_attr_group_tpkbd = { 968 .attrs = lenovo_attributes_tpkbd, 969 }; 970 971 static void lenovo_led_set_tpkbd(struct hid_device *hdev) 972 { 973 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 974 struct hid_report *report; 975 976 report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; 977 report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; 978 report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; 979 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 980 } 981 982 static int lenovo_led_brightness_set(struct led_classdev *led_cdev, 983 enum led_brightness value) 984 { 985 struct device *dev = led_cdev->dev->parent; 986 struct hid_device *hdev = to_hid_device(dev); 987 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 988 u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED }; 989 int led_nr = 0; 990 int ret = 0; 991 992 if (led_cdev == &data_pointer->led_micmute) 993 led_nr = 1; 994 995 if (value == LED_OFF) 996 data_pointer->led_state &= ~(1 << led_nr); 997 else 998 data_pointer->led_state |= 1 << led_nr; 999 1000 switch (hdev->product) { 1001 case USB_DEVICE_ID_LENOVO_TPKBD: 1002 lenovo_led_set_tpkbd(hdev); 1003 break; 1004 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1005 case USB_DEVICE_ID_LENOVO_X1_TAB: 1006 ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value); 1007 break; 1008 } 1009 1010 return ret; 1011 } 1012 1013 static int lenovo_register_leds(struct hid_device *hdev) 1014 { 1015 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1016 size_t name_sz = strlen(dev_name(&hdev->dev)) + 16; 1017 char *name_mute, *name_micm; 1018 int ret; 1019 1020 name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1021 name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1022 if (name_mute == NULL || name_micm == NULL) { 1023 hid_err(hdev, "Could not allocate memory for led data\n"); 1024 return -ENOMEM; 1025 } 1026 snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev)); 1027 snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev)); 1028 1029 data->led_mute.name = name_mute; 1030 data->led_mute.default_trigger = "audio-mute"; 1031 data->led_mute.brightness_set_blocking = lenovo_led_brightness_set; 1032 data->led_mute.max_brightness = 1; 1033 data->led_mute.flags = LED_HW_PLUGGABLE; 1034 data->led_mute.dev = &hdev->dev; 1035 ret = led_classdev_register(&hdev->dev, &data->led_mute); 1036 if (ret < 0) 1037 return ret; 1038 1039 data->led_micmute.name = name_micm; 1040 data->led_micmute.default_trigger = "audio-micmute"; 1041 data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set; 1042 data->led_micmute.max_brightness = 1; 1043 data->led_micmute.flags = LED_HW_PLUGGABLE; 1044 data->led_micmute.dev = &hdev->dev; 1045 ret = led_classdev_register(&hdev->dev, &data->led_micmute); 1046 if (ret < 0) { 1047 led_classdev_unregister(&data->led_mute); 1048 return ret; 1049 } 1050 1051 return 0; 1052 } 1053 1054 static int lenovo_probe_tpkbd(struct hid_device *hdev) 1055 { 1056 struct lenovo_drvdata *data_pointer; 1057 int i, ret; 1058 1059 /* 1060 * Only register extra settings against subdevice where input_mapping 1061 * set drvdata to 1, i.e. the trackpoint. 1062 */ 1063 if (!hid_get_drvdata(hdev)) 1064 return 0; 1065 1066 hid_set_drvdata(hdev, NULL); 1067 1068 /* Validate required reports. */ 1069 for (i = 0; i < 4; i++) { 1070 if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1)) 1071 return -ENODEV; 1072 } 1073 if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2)) 1074 return -ENODEV; 1075 1076 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1077 if (ret) 1078 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1079 1080 data_pointer = devm_kzalloc(&hdev->dev, 1081 sizeof(struct lenovo_drvdata), 1082 GFP_KERNEL); 1083 if (data_pointer == NULL) { 1084 hid_err(hdev, "Could not allocate memory for driver data\n"); 1085 ret = -ENOMEM; 1086 goto err; 1087 } 1088 1089 // set same default values as windows driver 1090 data_pointer->sensitivity = 0xa0; 1091 data_pointer->press_speed = 0x38; 1092 1093 hid_set_drvdata(hdev, data_pointer); 1094 1095 ret = lenovo_register_leds(hdev); 1096 if (ret) 1097 goto err; 1098 1099 lenovo_features_set_tpkbd(hdev); 1100 1101 return 0; 1102 err: 1103 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1104 return ret; 1105 } 1106 1107 static int lenovo_probe_cptkbd(struct hid_device *hdev) 1108 { 1109 int ret; 1110 struct lenovo_drvdata *cptkbd_data; 1111 1112 /* All the custom action happens on the USBMOUSE device for USB */ 1113 if (((hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD) || 1114 (hdev->product == USB_DEVICE_ID_LENOVO_TPIIUSBKBD)) && 1115 hdev->type != HID_TYPE_USBMOUSE) { 1116 hid_dbg(hdev, "Ignoring keyboard half of device\n"); 1117 return 0; 1118 } 1119 1120 cptkbd_data = devm_kzalloc(&hdev->dev, 1121 sizeof(*cptkbd_data), 1122 GFP_KERNEL); 1123 if (cptkbd_data == NULL) { 1124 hid_err(hdev, "can't alloc keyboard descriptor\n"); 1125 return -ENOMEM; 1126 } 1127 hid_set_drvdata(hdev, cptkbd_data); 1128 1129 /* 1130 * Tell the keyboard a driver understands it, and turn F7, F9, F11 into 1131 * regular keys (Compact only) 1132 */ 1133 if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD || 1134 hdev->product == USB_DEVICE_ID_LENOVO_CBTKBD) { 1135 ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03); 1136 if (ret) 1137 hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret); 1138 } 1139 1140 /* Switch middle button to native mode */ 1141 ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01); 1142 if (ret) 1143 hid_warn(hdev, "Failed to switch middle button: %d\n", ret); 1144 1145 /* Set keyboard settings to known state */ 1146 cptkbd_data->middlebutton_state = 0; 1147 cptkbd_data->fn_lock = true; 1148 cptkbd_data->sensitivity = 0x05; 1149 lenovo_features_set_cptkbd(hdev); 1150 1151 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd); 1152 if (ret) 1153 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1154 1155 return 0; 1156 } 1157 1158 static struct attribute *lenovo_attributes_tp10ubkbd[] = { 1159 &dev_attr_fn_lock.attr, 1160 NULL 1161 }; 1162 1163 static const struct attribute_group lenovo_attr_group_tp10ubkbd = { 1164 .attrs = lenovo_attributes_tp10ubkbd, 1165 }; 1166 1167 static int lenovo_probe_tp10ubkbd(struct hid_device *hdev) 1168 { 1169 struct hid_report_enum *rep_enum; 1170 struct lenovo_drvdata *data; 1171 struct hid_report *rep; 1172 bool found; 1173 int ret; 1174 1175 /* 1176 * The LEDs and the Fn-lock functionality use output report 9, 1177 * with an application of 0xffa0001, add the LEDs on the interface 1178 * with this output report. 1179 */ 1180 found = false; 1181 rep_enum = &hdev->report_enum[HID_OUTPUT_REPORT]; 1182 list_for_each_entry(rep, &rep_enum->report_list, list) { 1183 if (rep->application == 0xffa00001) 1184 found = true; 1185 } 1186 if (!found) 1187 return 0; 1188 1189 data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL); 1190 if (!data) 1191 return -ENOMEM; 1192 1193 mutex_init(&data->led_report_mutex); 1194 INIT_WORK(&data->fn_lock_sync_work, lenovo_tp10ubkbd_sync_fn_lock); 1195 data->hdev = hdev; 1196 1197 hid_set_drvdata(hdev, data); 1198 1199 /* 1200 * The Thinkpad 10 ultrabook USB kbd dock's Fn-lock defaults to on. 1201 * We cannot read the state, only set it, so we force it to on here 1202 * (which should be a no-op) to make sure that our state matches the 1203 * keyboard's FN-lock state. This is the same as what Windows does. 1204 */ 1205 data->fn_lock = true; 1206 lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock); 1207 1208 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1209 if (ret) 1210 return ret; 1211 1212 ret = lenovo_register_leds(hdev); 1213 if (ret) 1214 goto err; 1215 1216 return 0; 1217 err: 1218 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1219 return ret; 1220 } 1221 1222 static int lenovo_probe(struct hid_device *hdev, 1223 const struct hid_device_id *id) 1224 { 1225 int ret; 1226 1227 ret = hid_parse(hdev); 1228 if (ret) { 1229 hid_err(hdev, "hid_parse failed\n"); 1230 goto err; 1231 } 1232 1233 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1234 if (ret) { 1235 hid_err(hdev, "hid_hw_start failed\n"); 1236 goto err; 1237 } 1238 1239 switch (hdev->product) { 1240 case USB_DEVICE_ID_LENOVO_TPKBD: 1241 ret = lenovo_probe_tpkbd(hdev); 1242 break; 1243 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1244 case USB_DEVICE_ID_LENOVO_CBTKBD: 1245 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1246 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1247 ret = lenovo_probe_cptkbd(hdev); 1248 break; 1249 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1250 case USB_DEVICE_ID_LENOVO_X1_TAB: 1251 ret = lenovo_probe_tp10ubkbd(hdev); 1252 break; 1253 default: 1254 ret = 0; 1255 break; 1256 } 1257 if (ret) 1258 goto err_hid; 1259 1260 return 0; 1261 err_hid: 1262 hid_hw_stop(hdev); 1263 err: 1264 return ret; 1265 } 1266 1267 static void lenovo_remove_tpkbd(struct hid_device *hdev) 1268 { 1269 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1270 1271 /* 1272 * Only the trackpoint half of the keyboard has drvdata and stuff that 1273 * needs unregistering. 1274 */ 1275 if (data_pointer == NULL) 1276 return; 1277 1278 sysfs_remove_group(&hdev->dev.kobj, 1279 &lenovo_attr_group_tpkbd); 1280 1281 led_classdev_unregister(&data_pointer->led_micmute); 1282 led_classdev_unregister(&data_pointer->led_mute); 1283 } 1284 1285 static void lenovo_remove_cptkbd(struct hid_device *hdev) 1286 { 1287 sysfs_remove_group(&hdev->dev.kobj, 1288 &lenovo_attr_group_cptkbd); 1289 } 1290 1291 static void lenovo_remove_tp10ubkbd(struct hid_device *hdev) 1292 { 1293 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1294 1295 if (data == NULL) 1296 return; 1297 1298 led_classdev_unregister(&data->led_micmute); 1299 led_classdev_unregister(&data->led_mute); 1300 1301 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1302 cancel_work_sync(&data->fn_lock_sync_work); 1303 } 1304 1305 static void lenovo_remove(struct hid_device *hdev) 1306 { 1307 switch (hdev->product) { 1308 case USB_DEVICE_ID_LENOVO_TPKBD: 1309 lenovo_remove_tpkbd(hdev); 1310 break; 1311 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1312 case USB_DEVICE_ID_LENOVO_CBTKBD: 1313 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1314 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1315 lenovo_remove_cptkbd(hdev); 1316 break; 1317 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1318 case USB_DEVICE_ID_LENOVO_X1_TAB: 1319 lenovo_remove_tp10ubkbd(hdev); 1320 break; 1321 } 1322 1323 hid_hw_stop(hdev); 1324 } 1325 1326 static int lenovo_input_configured(struct hid_device *hdev, 1327 struct hid_input *hi) 1328 { 1329 switch (hdev->product) { 1330 case USB_DEVICE_ID_LENOVO_TPKBD: 1331 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1332 case USB_DEVICE_ID_LENOVO_CBTKBD: 1333 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1334 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1335 if (test_bit(EV_REL, hi->input->evbit)) { 1336 /* set only for trackpoint device */ 1337 __set_bit(INPUT_PROP_POINTER, hi->input->propbit); 1338 __set_bit(INPUT_PROP_POINTING_STICK, 1339 hi->input->propbit); 1340 } 1341 break; 1342 } 1343 1344 return 0; 1345 } 1346 1347 1348 static const struct hid_device_id lenovo_devices[] = { 1349 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, 1350 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) }, 1351 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIUSBKBD) }, 1352 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) }, 1353 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIBTKBD) }, 1354 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) }, 1355 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) }, 1356 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) }, 1357 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) }, 1358 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) }, 1359 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) }, 1360 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) }, 1361 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) }, 1362 /* 1363 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard 1364 * part, while letting hid-multitouch.c handle the touchpad and trackpoint. 1365 */ 1366 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1367 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) }, 1368 { } 1369 }; 1370 1371 MODULE_DEVICE_TABLE(hid, lenovo_devices); 1372 1373 static struct hid_driver lenovo_driver = { 1374 .name = "lenovo", 1375 .id_table = lenovo_devices, 1376 .input_configured = lenovo_input_configured, 1377 .input_mapping = lenovo_input_mapping, 1378 .probe = lenovo_probe, 1379 .remove = lenovo_remove, 1380 .raw_event = lenovo_raw_event, 1381 .event = lenovo_event, 1382 .report_fixup = lenovo_report_fixup, 1383 }; 1384 module_hid_driver(lenovo_driver); 1385 1386 MODULE_LICENSE("GPL"); 1387