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 /* 0: Up 55 * 1: Down (undecided) 56 * 2: Scrolling 57 * 3: Patched firmware, disable workaround 58 */ 59 u8 middlebutton_state; 60 bool fn_lock; 61 }; 62 63 #define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c)) 64 65 #define TP10UBKBD_LED_OUTPUT_REPORT 9 66 67 #define TP10UBKBD_FN_LOCK_LED 0x54 68 #define TP10UBKBD_MUTE_LED 0x64 69 #define TP10UBKBD_MICMUTE_LED 0x74 70 71 #define TP10UBKBD_LED_OFF 1 72 #define TP10UBKBD_LED_ON 2 73 74 static int lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code, 75 enum led_brightness value) 76 { 77 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 78 int ret; 79 80 mutex_lock(&data->led_report_mutex); 81 82 data->led_report[0] = TP10UBKBD_LED_OUTPUT_REPORT; 83 data->led_report[1] = led_code; 84 data->led_report[2] = value ? TP10UBKBD_LED_ON : TP10UBKBD_LED_OFF; 85 ret = hid_hw_raw_request(hdev, data->led_report[0], data->led_report, 3, 86 HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); 87 if (ret != 3) { 88 if (ret != -ENODEV) 89 hid_err(hdev, "Set LED output report error: %d\n", ret); 90 91 ret = ret < 0 ? ret : -EIO; 92 } else { 93 ret = 0; 94 } 95 96 mutex_unlock(&data->led_report_mutex); 97 98 return ret; 99 } 100 101 static void lenovo_tp10ubkbd_sync_fn_lock(struct work_struct *work) 102 { 103 struct lenovo_drvdata *data = 104 container_of(work, struct lenovo_drvdata, fn_lock_sync_work); 105 106 lenovo_led_set_tp10ubkbd(data->hdev, TP10UBKBD_FN_LOCK_LED, 107 data->fn_lock); 108 } 109 110 static const __u8 lenovo_pro_dock_need_fixup_collection[] = { 111 0x05, 0x88, /* Usage Page (Vendor Usage Page 0x88) */ 112 0x09, 0x01, /* Usage (Vendor Usage 0x01) */ 113 0xa1, 0x01, /* Collection (Application) */ 114 0x85, 0x04, /* Report ID (4) */ 115 0x19, 0x00, /* Usage Minimum (0) */ 116 0x2a, 0xff, 0xff, /* Usage Maximum (65535) */ 117 }; 118 119 /* Broken ThinkPad TrackPoint II collection (Bluetooth mode) */ 120 static const __u8 lenovo_tpIIbtkbd_need_fixup_collection[] = { 121 0x06, 0x00, 0xFF, /* Usage Page (Vendor Defined 0xFF00) */ 122 0x09, 0x01, /* Usage (0x01) */ 123 0xA1, 0x01, /* Collection (Application) */ 124 0x85, 0x05, /* Report ID (5) */ 125 0x1A, 0xF1, 0x00, /* Usage Minimum (0xF1) */ 126 0x2A, 0xFC, 0x00, /* Usage Maximum (0xFC) */ 127 0x15, 0x00, /* Logical Minimum (0) */ 128 0x25, 0x01, /* Logical Maximum (1) */ 129 0x75, 0x01, /* Report Size (1) */ 130 0x95, 0x0D, /* Report Count (13) */ 131 0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */ 132 0x95, 0x03, /* Report Count (3) */ 133 0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */ 134 }; 135 136 static __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc, 137 unsigned int *rsize) 138 { 139 switch (hdev->product) { 140 case USB_DEVICE_ID_LENOVO_TPPRODOCK: 141 /* the fixups that need to be done: 142 * - get a reasonable usage max for the vendor collection 143 * 0x8801 from the report ID 4 144 */ 145 if (*rsize >= 153 && 146 memcmp(&rdesc[140], lenovo_pro_dock_need_fixup_collection, 147 sizeof(lenovo_pro_dock_need_fixup_collection)) == 0) { 148 rdesc[151] = 0x01; 149 rdesc[152] = 0x00; 150 } 151 break; 152 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 153 if (*rsize >= 263 && 154 memcmp(&rdesc[234], lenovo_tpIIbtkbd_need_fixup_collection, 155 sizeof(lenovo_tpIIbtkbd_need_fixup_collection)) == 0) { 156 rdesc[244] = 0x00; /* usage minimum = 0x00 */ 157 rdesc[247] = 0xff; /* usage maximum = 0xff */ 158 rdesc[252] = 0xff; /* logical maximum = 0xff */ 159 rdesc[254] = 0x08; /* report size = 0x08 */ 160 rdesc[256] = 0x01; /* report count = 0x01 */ 161 rdesc[258] = 0x00; /* input = 0x00 */ 162 rdesc[260] = 0x01; /* report count (2) = 0x01 */ 163 } 164 break; 165 } 166 return rdesc; 167 } 168 169 static int lenovo_input_mapping_tpkbd(struct hid_device *hdev, 170 struct hid_input *hi, struct hid_field *field, 171 struct hid_usage *usage, unsigned long **bit, int *max) 172 { 173 if (usage->hid == (HID_UP_BUTTON | 0x0010)) { 174 /* This sub-device contains trackpoint, mark it */ 175 hid_set_drvdata(hdev, (void *)1); 176 map_key_clear(LENOVO_KEY_MICMUTE); 177 return 1; 178 } 179 return 0; 180 } 181 182 static int lenovo_input_mapping_cptkbd(struct hid_device *hdev, 183 struct hid_input *hi, struct hid_field *field, 184 struct hid_usage *usage, unsigned long **bit, int *max) 185 { 186 /* HID_UP_LNVENDOR = USB, HID_UP_MSVENDOR = BT */ 187 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR || 188 (usage->hid & HID_USAGE_PAGE) == HID_UP_LNVENDOR) { 189 switch (usage->hid & HID_USAGE) { 190 case 0x00f1: /* Fn-F4: Mic mute */ 191 map_key_clear(LENOVO_KEY_MICMUTE); 192 return 1; 193 case 0x00f2: /* Fn-F5: Brightness down */ 194 map_key_clear(KEY_BRIGHTNESSDOWN); 195 return 1; 196 case 0x00f3: /* Fn-F6: Brightness up */ 197 map_key_clear(KEY_BRIGHTNESSUP); 198 return 1; 199 case 0x00f4: /* Fn-F7: External display (projector) */ 200 map_key_clear(KEY_SWITCHVIDEOMODE); 201 return 1; 202 case 0x00f5: /* Fn-F8: Wireless */ 203 map_key_clear(KEY_WLAN); 204 return 1; 205 case 0x00f6: /* Fn-F9: Control panel */ 206 map_key_clear(KEY_CONFIG); 207 return 1; 208 case 0x00f8: /* Fn-F11: View open applications (3 boxes) */ 209 map_key_clear(KEY_SCALE); 210 return 1; 211 case 0x00f9: /* Fn-F12: Open My computer (6 boxes) USB-only */ 212 /* NB: This mapping is invented in raw_event below */ 213 map_key_clear(KEY_FILE); 214 return 1; 215 case 0x00fa: /* Fn-Esc: Fn-lock toggle */ 216 map_key_clear(KEY_FN_ESC); 217 return 1; 218 case 0x00fb: /* Middle mouse button (in native mode) */ 219 map_key_clear(BTN_MIDDLE); 220 return 1; 221 } 222 } 223 224 /* Compatibility middle/wheel mappings should be ignored */ 225 if (usage->hid == HID_GD_WHEEL) 226 return -1; 227 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON && 228 (usage->hid & HID_USAGE) == 0x003) 229 return -1; 230 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER && 231 (usage->hid & HID_USAGE) == 0x238) 232 return -1; 233 234 /* Map wheel emulation reports: 0xffa1 = USB, 0xff10 = BT */ 235 if ((usage->hid & HID_USAGE_PAGE) == 0xff100000 || 236 (usage->hid & HID_USAGE_PAGE) == 0xffa10000) { 237 field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE; 238 field->logical_minimum = -127; 239 field->logical_maximum = 127; 240 241 switch (usage->hid & HID_USAGE) { 242 case 0x0000: 243 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); 244 return 1; 245 case 0x0001: 246 hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL); 247 return 1; 248 default: 249 return -1; 250 } 251 } 252 253 return 0; 254 } 255 256 static int lenovo_input_mapping_tpIIkbd(struct hid_device *hdev, 257 struct hid_input *hi, struct hid_field *field, 258 struct hid_usage *usage, unsigned long **bit, int *max) 259 { 260 /* 261 * 0xff0a0000 = USB, HID_UP_MSVENDOR = BT. 262 * 263 * In BT mode, there are two HID_UP_MSVENDOR pages. 264 * Use only the page that contains report ID == 5. 265 */ 266 if (((usage->hid & HID_USAGE_PAGE) == 0xff0a0000 || 267 (usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) && 268 field->report->id == 5) { 269 switch (usage->hid & HID_USAGE) { 270 case 0x00bb: /* Fn-F4: Mic mute */ 271 map_key_clear(LENOVO_KEY_MICMUTE); 272 return 1; 273 case 0x00c3: /* Fn-F5: Brightness down */ 274 map_key_clear(KEY_BRIGHTNESSDOWN); 275 return 1; 276 case 0x00c4: /* Fn-F6: Brightness up */ 277 map_key_clear(KEY_BRIGHTNESSUP); 278 return 1; 279 case 0x00c1: /* Fn-F8: Notification center */ 280 map_key_clear(KEY_NOTIFICATION_CENTER); 281 return 1; 282 case 0x00bc: /* Fn-F9: Control panel */ 283 map_key_clear(KEY_CONFIG); 284 return 1; 285 case 0x00b6: /* Fn-F10: Bluetooth */ 286 map_key_clear(KEY_BLUETOOTH); 287 return 1; 288 case 0x00b7: /* Fn-F11: Keyboard config */ 289 map_key_clear(KEY_KEYBOARD); 290 return 1; 291 case 0x00b8: /* Fn-F12: User function */ 292 map_key_clear(KEY_PROG1); 293 return 1; 294 case 0x00b9: /* Fn-PrtSc: Snipping tool */ 295 map_key_clear(KEY_SELECTIVE_SCREENSHOT); 296 return 1; 297 case 0x00b5: /* Fn-Esc: Fn-lock toggle */ 298 map_key_clear(KEY_FN_ESC); 299 return 1; 300 } 301 } 302 303 if ((usage->hid & HID_USAGE_PAGE) == 0xffa00000) { 304 switch (usage->hid & HID_USAGE) { 305 case 0x00fb: /* Middle mouse (in native USB mode) */ 306 map_key_clear(BTN_MIDDLE); 307 return 1; 308 } 309 } 310 311 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR && 312 field->report->id == 21) { 313 switch (usage->hid & HID_USAGE) { 314 case 0x0004: /* Middle mouse (in native Bluetooth mode) */ 315 map_key_clear(BTN_MIDDLE); 316 return 1; 317 } 318 } 319 320 /* Compatibility middle/wheel mappings should be ignored */ 321 if (usage->hid == HID_GD_WHEEL) 322 return -1; 323 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON && 324 (usage->hid & HID_USAGE) == 0x003) 325 return -1; 326 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER && 327 (usage->hid & HID_USAGE) == 0x238) 328 return -1; 329 330 /* Map wheel emulation reports: 0xff10 */ 331 if ((usage->hid & HID_USAGE_PAGE) == 0xff100000) { 332 field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE; 333 field->logical_minimum = -127; 334 field->logical_maximum = 127; 335 336 switch (usage->hid & HID_USAGE) { 337 case 0x0000: 338 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); 339 return 1; 340 case 0x0001: 341 hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL); 342 return 1; 343 default: 344 return -1; 345 } 346 } 347 348 return 0; 349 } 350 351 static int lenovo_input_mapping_scrollpoint(struct hid_device *hdev, 352 struct hid_input *hi, struct hid_field *field, 353 struct hid_usage *usage, unsigned long **bit, int *max) 354 { 355 if (usage->hid == HID_GD_Z) { 356 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); 357 return 1; 358 } 359 return 0; 360 } 361 362 static int lenovo_input_mapping_tp10_ultrabook_kbd(struct hid_device *hdev, 363 struct hid_input *hi, struct hid_field *field, 364 struct hid_usage *usage, unsigned long **bit, int *max) 365 { 366 /* 367 * The ThinkPad 10 Ultrabook Keyboard uses 0x000c0001 usage for 368 * a bunch of keys which have no standard consumer page code. 369 */ 370 if (usage->hid == 0x000c0001) { 371 switch (usage->usage_index) { 372 case 8: /* Fn-Esc: Fn-lock toggle */ 373 map_key_clear(KEY_FN_ESC); 374 return 1; 375 case 9: /* Fn-F4: Mic mute */ 376 map_key_clear(LENOVO_KEY_MICMUTE); 377 return 1; 378 case 10: /* Fn-F7: Control panel */ 379 map_key_clear(KEY_CONFIG); 380 return 1; 381 case 11: /* Fn-F8: Search (magnifier glass) */ 382 map_key_clear(KEY_SEARCH); 383 return 1; 384 case 12: /* Fn-F10: Open My computer (6 boxes) */ 385 map_key_clear(KEY_FILE); 386 return 1; 387 } 388 } 389 390 /* 391 * The Ultrabook Keyboard sends a spurious F23 key-press when resuming 392 * from suspend and it does not actually have a F23 key, ignore it. 393 */ 394 if (usage->hid == 0x00070072) 395 return -1; 396 397 return 0; 398 } 399 400 static int lenovo_input_mapping_x1_tab_kbd(struct hid_device *hdev, 401 struct hid_input *hi, struct hid_field *field, 402 struct hid_usage *usage, unsigned long **bit, int *max) 403 { 404 /* 405 * The ThinkPad X1 Tablet Thin Keyboard uses 0x000c0001 usage for 406 * a bunch of keys which have no standard consumer page code. 407 */ 408 if (usage->hid == 0x000c0001) { 409 switch (usage->usage_index) { 410 case 0: /* Fn-F10: Enable/disable bluetooth */ 411 map_key_clear(KEY_BLUETOOTH); 412 return 1; 413 case 1: /* Fn-F11: Keyboard settings */ 414 map_key_clear(KEY_KEYBOARD); 415 return 1; 416 case 2: /* Fn-F12: User function / Cortana */ 417 map_key_clear(KEY_MACRO1); 418 return 1; 419 case 3: /* Fn-PrtSc: Snipping tool */ 420 map_key_clear(KEY_SELECTIVE_SCREENSHOT); 421 return 1; 422 case 8: /* Fn-Esc: Fn-lock toggle */ 423 map_key_clear(KEY_FN_ESC); 424 return 1; 425 case 9: /* Fn-F4: Mute/unmute microphone */ 426 map_key_clear(KEY_MICMUTE); 427 return 1; 428 case 10: /* Fn-F9: Settings */ 429 map_key_clear(KEY_CONFIG); 430 return 1; 431 case 13: /* Fn-F7: Manage external displays */ 432 map_key_clear(KEY_SWITCHVIDEOMODE); 433 return 1; 434 case 14: /* Fn-F8: Enable/disable wifi */ 435 map_key_clear(KEY_WLAN); 436 return 1; 437 } 438 } 439 440 if (usage->hid == (HID_UP_KEYBOARD | 0x009a)) { 441 map_key_clear(KEY_SYSRQ); 442 return 1; 443 } 444 445 return 0; 446 } 447 448 static int lenovo_input_mapping(struct hid_device *hdev, 449 struct hid_input *hi, struct hid_field *field, 450 struct hid_usage *usage, unsigned long **bit, int *max) 451 { 452 switch (hdev->product) { 453 case USB_DEVICE_ID_LENOVO_TPKBD: 454 return lenovo_input_mapping_tpkbd(hdev, hi, field, 455 usage, bit, max); 456 case USB_DEVICE_ID_LENOVO_CUSBKBD: 457 case USB_DEVICE_ID_LENOVO_CBTKBD: 458 return lenovo_input_mapping_cptkbd(hdev, hi, field, 459 usage, bit, max); 460 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 461 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 462 return lenovo_input_mapping_tpIIkbd(hdev, hi, field, 463 usage, bit, max); 464 case USB_DEVICE_ID_IBM_SCROLLPOINT_III: 465 case USB_DEVICE_ID_IBM_SCROLLPOINT_PRO: 466 case USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL: 467 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL: 468 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO: 469 case USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL: 470 return lenovo_input_mapping_scrollpoint(hdev, hi, field, 471 usage, bit, max); 472 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 473 return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field, 474 usage, bit, max); 475 case USB_DEVICE_ID_LENOVO_X1_TAB: 476 return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max); 477 default: 478 return 0; 479 } 480 } 481 482 #undef map_key_clear 483 484 /* Send a config command to the keyboard */ 485 static int lenovo_send_cmd_cptkbd(struct hid_device *hdev, 486 unsigned char byte2, unsigned char byte3) 487 { 488 int ret; 489 unsigned char *buf; 490 491 buf = kzalloc(3, GFP_KERNEL); 492 if (!buf) 493 return -ENOMEM; 494 495 /* 496 * Feature report 0x13 is used for USB, 497 * output report 0x18 is used for Bluetooth. 498 * buf[0] is ignored by hid_hw_raw_request. 499 */ 500 buf[0] = 0x18; 501 buf[1] = byte2; 502 buf[2] = byte3; 503 504 switch (hdev->product) { 505 case USB_DEVICE_ID_LENOVO_CUSBKBD: 506 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 507 ret = hid_hw_raw_request(hdev, 0x13, buf, 3, 508 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 509 break; 510 case USB_DEVICE_ID_LENOVO_CBTKBD: 511 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 512 ret = hid_hw_output_report(hdev, buf, 3); 513 break; 514 default: 515 ret = -EINVAL; 516 break; 517 } 518 519 kfree(buf); 520 521 return ret < 0 ? ret : 0; /* BT returns 0, USB returns sizeof(buf) */ 522 } 523 524 static void lenovo_features_set_cptkbd(struct hid_device *hdev) 525 { 526 int ret; 527 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 528 529 ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock); 530 if (ret) 531 hid_err(hdev, "Fn-lock setting failed: %d\n", ret); 532 533 ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity); 534 if (ret) 535 hid_err(hdev, "Sensitivity setting failed: %d\n", ret); 536 } 537 538 static ssize_t attr_fn_lock_show(struct device *dev, 539 struct device_attribute *attr, 540 char *buf) 541 { 542 struct hid_device *hdev = to_hid_device(dev); 543 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 544 545 return snprintf(buf, PAGE_SIZE, "%u\n", data->fn_lock); 546 } 547 548 static ssize_t attr_fn_lock_store(struct device *dev, 549 struct device_attribute *attr, 550 const char *buf, 551 size_t count) 552 { 553 struct hid_device *hdev = to_hid_device(dev); 554 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 555 int value, ret; 556 557 if (kstrtoint(buf, 10, &value)) 558 return -EINVAL; 559 if (value < 0 || value > 1) 560 return -EINVAL; 561 562 data->fn_lock = !!value; 563 564 switch (hdev->product) { 565 case USB_DEVICE_ID_LENOVO_CUSBKBD: 566 case USB_DEVICE_ID_LENOVO_CBTKBD: 567 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 568 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 569 lenovo_features_set_cptkbd(hdev); 570 break; 571 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 572 case USB_DEVICE_ID_LENOVO_X1_TAB: 573 ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value); 574 if (ret) 575 return ret; 576 break; 577 } 578 579 return count; 580 } 581 582 static ssize_t attr_sensitivity_show_cptkbd(struct device *dev, 583 struct device_attribute *attr, 584 char *buf) 585 { 586 struct hid_device *hdev = to_hid_device(dev); 587 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 588 589 return snprintf(buf, PAGE_SIZE, "%u\n", 590 cptkbd_data->sensitivity); 591 } 592 593 static ssize_t attr_sensitivity_store_cptkbd(struct device *dev, 594 struct device_attribute *attr, 595 const char *buf, 596 size_t count) 597 { 598 struct hid_device *hdev = to_hid_device(dev); 599 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 600 int value; 601 602 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 603 return -EINVAL; 604 605 cptkbd_data->sensitivity = value; 606 lenovo_features_set_cptkbd(hdev); 607 608 return count; 609 } 610 611 612 static struct device_attribute dev_attr_fn_lock = 613 __ATTR(fn_lock, S_IWUSR | S_IRUGO, 614 attr_fn_lock_show, 615 attr_fn_lock_store); 616 617 static struct device_attribute dev_attr_sensitivity_cptkbd = 618 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 619 attr_sensitivity_show_cptkbd, 620 attr_sensitivity_store_cptkbd); 621 622 623 static struct attribute *lenovo_attributes_cptkbd[] = { 624 &dev_attr_fn_lock.attr, 625 &dev_attr_sensitivity_cptkbd.attr, 626 NULL 627 }; 628 629 static const struct attribute_group lenovo_attr_group_cptkbd = { 630 .attrs = lenovo_attributes_cptkbd, 631 }; 632 633 static int lenovo_raw_event(struct hid_device *hdev, 634 struct hid_report *report, u8 *data, int size) 635 { 636 /* 637 * Compact USB keyboard's Fn-F12 report holds down many other keys, and 638 * its own key is outside the usage page range. Remove extra 639 * keypresses and remap to inside usage page. 640 */ 641 if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD 642 && size == 3 643 && data[0] == 0x15 644 && data[1] == 0x94 645 && data[2] == 0x01)) { 646 data[1] = 0x00; 647 data[2] = 0x01; 648 } 649 650 return 0; 651 } 652 653 static int lenovo_event_tp10ubkbd(struct hid_device *hdev, 654 struct hid_field *field, struct hid_usage *usage, __s32 value) 655 { 656 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 657 658 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 659 /* 660 * The user has toggled the Fn-lock state. Toggle our own 661 * cached value of it and sync our value to the keyboard to 662 * ensure things are in sync (the sycning should be a no-op). 663 */ 664 data->fn_lock = !data->fn_lock; 665 schedule_work(&data->fn_lock_sync_work); 666 } 667 668 return 0; 669 } 670 671 static int lenovo_event_cptkbd(struct hid_device *hdev, 672 struct hid_field *field, struct hid_usage *usage, __s32 value) 673 { 674 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 675 676 if (cptkbd_data->middlebutton_state != 3) { 677 /* REL_X and REL_Y events during middle button pressed 678 * are only possible on patched, bug-free firmware 679 * so set middlebutton_state to 3 680 * to never apply workaround anymore 681 */ 682 if (cptkbd_data->middlebutton_state == 1 && 683 usage->type == EV_REL && 684 (usage->code == REL_X || usage->code == REL_Y)) { 685 cptkbd_data->middlebutton_state = 3; 686 /* send middle button press which was hold before */ 687 input_event(field->hidinput->input, 688 EV_KEY, BTN_MIDDLE, 1); 689 input_sync(field->hidinput->input); 690 } 691 692 /* "wheel" scroll events */ 693 if (usage->type == EV_REL && (usage->code == REL_WHEEL || 694 usage->code == REL_HWHEEL)) { 695 /* Scroll events disable middle-click event */ 696 cptkbd_data->middlebutton_state = 2; 697 return 0; 698 } 699 700 /* Middle click events */ 701 if (usage->type == EV_KEY && usage->code == BTN_MIDDLE) { 702 if (value == 1) { 703 cptkbd_data->middlebutton_state = 1; 704 } else if (value == 0) { 705 if (cptkbd_data->middlebutton_state == 1) { 706 /* No scrolling inbetween, send middle-click */ 707 input_event(field->hidinput->input, 708 EV_KEY, BTN_MIDDLE, 1); 709 input_sync(field->hidinput->input); 710 input_event(field->hidinput->input, 711 EV_KEY, BTN_MIDDLE, 0); 712 input_sync(field->hidinput->input); 713 } 714 cptkbd_data->middlebutton_state = 0; 715 } 716 return 1; 717 } 718 } 719 720 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 721 /* 722 * The user has toggled the Fn-lock state. Toggle our own 723 * cached value of it and sync our value to the keyboard to 724 * ensure things are in sync (the syncing should be a no-op). 725 */ 726 cptkbd_data->fn_lock = !cptkbd_data->fn_lock; 727 } 728 729 return 0; 730 } 731 732 static int lenovo_event(struct hid_device *hdev, struct hid_field *field, 733 struct hid_usage *usage, __s32 value) 734 { 735 if (!hid_get_drvdata(hdev)) 736 return 0; 737 738 switch (hdev->product) { 739 case USB_DEVICE_ID_LENOVO_CUSBKBD: 740 case USB_DEVICE_ID_LENOVO_CBTKBD: 741 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 742 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 743 return lenovo_event_cptkbd(hdev, field, usage, value); 744 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 745 case USB_DEVICE_ID_LENOVO_X1_TAB: 746 return lenovo_event_tp10ubkbd(hdev, field, usage, value); 747 default: 748 return 0; 749 } 750 } 751 752 static int lenovo_features_set_tpkbd(struct hid_device *hdev) 753 { 754 struct hid_report *report; 755 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 756 757 report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4]; 758 759 report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02; 760 report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08; 761 report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20; 762 report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40; 763 report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver 764 report->field[2]->value[0] = data_pointer->sensitivity; 765 report->field[3]->value[0] = data_pointer->press_speed; 766 767 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 768 return 0; 769 } 770 771 static ssize_t attr_press_to_select_show_tpkbd(struct device *dev, 772 struct device_attribute *attr, 773 char *buf) 774 { 775 struct hid_device *hdev = to_hid_device(dev); 776 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 777 778 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select); 779 } 780 781 static ssize_t attr_press_to_select_store_tpkbd(struct device *dev, 782 struct device_attribute *attr, 783 const char *buf, 784 size_t count) 785 { 786 struct hid_device *hdev = to_hid_device(dev); 787 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 788 int value; 789 790 if (kstrtoint(buf, 10, &value)) 791 return -EINVAL; 792 if (value < 0 || value > 1) 793 return -EINVAL; 794 795 data_pointer->press_to_select = value; 796 lenovo_features_set_tpkbd(hdev); 797 798 return count; 799 } 800 801 static ssize_t attr_dragging_show_tpkbd(struct device *dev, 802 struct device_attribute *attr, 803 char *buf) 804 { 805 struct hid_device *hdev = to_hid_device(dev); 806 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 807 808 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging); 809 } 810 811 static ssize_t attr_dragging_store_tpkbd(struct device *dev, 812 struct device_attribute *attr, 813 const char *buf, 814 size_t count) 815 { 816 struct hid_device *hdev = to_hid_device(dev); 817 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 818 int value; 819 820 if (kstrtoint(buf, 10, &value)) 821 return -EINVAL; 822 if (value < 0 || value > 1) 823 return -EINVAL; 824 825 data_pointer->dragging = value; 826 lenovo_features_set_tpkbd(hdev); 827 828 return count; 829 } 830 831 static ssize_t attr_release_to_select_show_tpkbd(struct device *dev, 832 struct device_attribute *attr, 833 char *buf) 834 { 835 struct hid_device *hdev = to_hid_device(dev); 836 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 837 838 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select); 839 } 840 841 static ssize_t attr_release_to_select_store_tpkbd(struct device *dev, 842 struct device_attribute *attr, 843 const char *buf, 844 size_t count) 845 { 846 struct hid_device *hdev = to_hid_device(dev); 847 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 848 int value; 849 850 if (kstrtoint(buf, 10, &value)) 851 return -EINVAL; 852 if (value < 0 || value > 1) 853 return -EINVAL; 854 855 data_pointer->release_to_select = value; 856 lenovo_features_set_tpkbd(hdev); 857 858 return count; 859 } 860 861 static ssize_t attr_select_right_show_tpkbd(struct device *dev, 862 struct device_attribute *attr, 863 char *buf) 864 { 865 struct hid_device *hdev = to_hid_device(dev); 866 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 867 868 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right); 869 } 870 871 static ssize_t attr_select_right_store_tpkbd(struct device *dev, 872 struct device_attribute *attr, 873 const char *buf, 874 size_t count) 875 { 876 struct hid_device *hdev = to_hid_device(dev); 877 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 878 int value; 879 880 if (kstrtoint(buf, 10, &value)) 881 return -EINVAL; 882 if (value < 0 || value > 1) 883 return -EINVAL; 884 885 data_pointer->select_right = value; 886 lenovo_features_set_tpkbd(hdev); 887 888 return count; 889 } 890 891 static ssize_t attr_sensitivity_show_tpkbd(struct device *dev, 892 struct device_attribute *attr, 893 char *buf) 894 { 895 struct hid_device *hdev = to_hid_device(dev); 896 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 897 898 return snprintf(buf, PAGE_SIZE, "%u\n", 899 data_pointer->sensitivity); 900 } 901 902 static ssize_t attr_sensitivity_store_tpkbd(struct device *dev, 903 struct device_attribute *attr, 904 const char *buf, 905 size_t count) 906 { 907 struct hid_device *hdev = to_hid_device(dev); 908 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 909 int value; 910 911 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 912 return -EINVAL; 913 914 data_pointer->sensitivity = value; 915 lenovo_features_set_tpkbd(hdev); 916 917 return count; 918 } 919 920 static ssize_t attr_press_speed_show_tpkbd(struct device *dev, 921 struct device_attribute *attr, 922 char *buf) 923 { 924 struct hid_device *hdev = to_hid_device(dev); 925 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 926 927 return snprintf(buf, PAGE_SIZE, "%u\n", 928 data_pointer->press_speed); 929 } 930 931 static ssize_t attr_press_speed_store_tpkbd(struct device *dev, 932 struct device_attribute *attr, 933 const char *buf, 934 size_t count) 935 { 936 struct hid_device *hdev = to_hid_device(dev); 937 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 938 int value; 939 940 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 941 return -EINVAL; 942 943 data_pointer->press_speed = value; 944 lenovo_features_set_tpkbd(hdev); 945 946 return count; 947 } 948 949 static struct device_attribute dev_attr_press_to_select_tpkbd = 950 __ATTR(press_to_select, S_IWUSR | S_IRUGO, 951 attr_press_to_select_show_tpkbd, 952 attr_press_to_select_store_tpkbd); 953 954 static struct device_attribute dev_attr_dragging_tpkbd = 955 __ATTR(dragging, S_IWUSR | S_IRUGO, 956 attr_dragging_show_tpkbd, 957 attr_dragging_store_tpkbd); 958 959 static struct device_attribute dev_attr_release_to_select_tpkbd = 960 __ATTR(release_to_select, S_IWUSR | S_IRUGO, 961 attr_release_to_select_show_tpkbd, 962 attr_release_to_select_store_tpkbd); 963 964 static struct device_attribute dev_attr_select_right_tpkbd = 965 __ATTR(select_right, S_IWUSR | S_IRUGO, 966 attr_select_right_show_tpkbd, 967 attr_select_right_store_tpkbd); 968 969 static struct device_attribute dev_attr_sensitivity_tpkbd = 970 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 971 attr_sensitivity_show_tpkbd, 972 attr_sensitivity_store_tpkbd); 973 974 static struct device_attribute dev_attr_press_speed_tpkbd = 975 __ATTR(press_speed, S_IWUSR | S_IRUGO, 976 attr_press_speed_show_tpkbd, 977 attr_press_speed_store_tpkbd); 978 979 static struct attribute *lenovo_attributes_tpkbd[] = { 980 &dev_attr_press_to_select_tpkbd.attr, 981 &dev_attr_dragging_tpkbd.attr, 982 &dev_attr_release_to_select_tpkbd.attr, 983 &dev_attr_select_right_tpkbd.attr, 984 &dev_attr_sensitivity_tpkbd.attr, 985 &dev_attr_press_speed_tpkbd.attr, 986 NULL 987 }; 988 989 static const struct attribute_group lenovo_attr_group_tpkbd = { 990 .attrs = lenovo_attributes_tpkbd, 991 }; 992 993 static void lenovo_led_set_tpkbd(struct hid_device *hdev) 994 { 995 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 996 struct hid_report *report; 997 998 report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; 999 report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; 1000 report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; 1001 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 1002 } 1003 1004 static int lenovo_led_brightness_set(struct led_classdev *led_cdev, 1005 enum led_brightness value) 1006 { 1007 struct device *dev = led_cdev->dev->parent; 1008 struct hid_device *hdev = to_hid_device(dev); 1009 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1010 static const u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED }; 1011 int led_nr = 0; 1012 int ret = 0; 1013 1014 if (led_cdev == &data_pointer->led_micmute) 1015 led_nr = 1; 1016 1017 if (value == LED_OFF) 1018 data_pointer->led_state &= ~(1 << led_nr); 1019 else 1020 data_pointer->led_state |= 1 << led_nr; 1021 1022 switch (hdev->product) { 1023 case USB_DEVICE_ID_LENOVO_TPKBD: 1024 lenovo_led_set_tpkbd(hdev); 1025 break; 1026 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1027 case USB_DEVICE_ID_LENOVO_X1_TAB: 1028 ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value); 1029 break; 1030 } 1031 1032 return ret; 1033 } 1034 1035 static int lenovo_register_leds(struct hid_device *hdev) 1036 { 1037 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1038 size_t name_sz = strlen(dev_name(&hdev->dev)) + 16; 1039 char *name_mute, *name_micm; 1040 int ret; 1041 1042 name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1043 name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1044 if (name_mute == NULL || name_micm == NULL) { 1045 hid_err(hdev, "Could not allocate memory for led data\n"); 1046 return -ENOMEM; 1047 } 1048 snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev)); 1049 snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev)); 1050 1051 data->led_mute.name = name_mute; 1052 data->led_mute.default_trigger = "audio-mute"; 1053 data->led_mute.brightness_set_blocking = lenovo_led_brightness_set; 1054 data->led_mute.max_brightness = 1; 1055 data->led_mute.flags = LED_HW_PLUGGABLE; 1056 data->led_mute.dev = &hdev->dev; 1057 ret = led_classdev_register(&hdev->dev, &data->led_mute); 1058 if (ret < 0) 1059 return ret; 1060 1061 data->led_micmute.name = name_micm; 1062 data->led_micmute.default_trigger = "audio-micmute"; 1063 data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set; 1064 data->led_micmute.max_brightness = 1; 1065 data->led_micmute.flags = LED_HW_PLUGGABLE; 1066 data->led_micmute.dev = &hdev->dev; 1067 ret = led_classdev_register(&hdev->dev, &data->led_micmute); 1068 if (ret < 0) { 1069 led_classdev_unregister(&data->led_mute); 1070 return ret; 1071 } 1072 1073 return 0; 1074 } 1075 1076 static int lenovo_probe_tpkbd(struct hid_device *hdev) 1077 { 1078 struct lenovo_drvdata *data_pointer; 1079 int i, ret; 1080 1081 /* 1082 * Only register extra settings against subdevice where input_mapping 1083 * set drvdata to 1, i.e. the trackpoint. 1084 */ 1085 if (!hid_get_drvdata(hdev)) 1086 return 0; 1087 1088 hid_set_drvdata(hdev, NULL); 1089 1090 /* Validate required reports. */ 1091 for (i = 0; i < 4; i++) { 1092 if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1)) 1093 return -ENODEV; 1094 } 1095 if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2)) 1096 return -ENODEV; 1097 1098 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1099 if (ret) 1100 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1101 1102 data_pointer = devm_kzalloc(&hdev->dev, 1103 sizeof(struct lenovo_drvdata), 1104 GFP_KERNEL); 1105 if (data_pointer == NULL) { 1106 hid_err(hdev, "Could not allocate memory for driver data\n"); 1107 ret = -ENOMEM; 1108 goto err; 1109 } 1110 1111 // set same default values as windows driver 1112 data_pointer->sensitivity = 0xa0; 1113 data_pointer->press_speed = 0x38; 1114 1115 hid_set_drvdata(hdev, data_pointer); 1116 1117 ret = lenovo_register_leds(hdev); 1118 if (ret) 1119 goto err; 1120 1121 lenovo_features_set_tpkbd(hdev); 1122 1123 return 0; 1124 err: 1125 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1126 return ret; 1127 } 1128 1129 static int lenovo_probe_cptkbd(struct hid_device *hdev) 1130 { 1131 int ret; 1132 struct lenovo_drvdata *cptkbd_data; 1133 1134 /* All the custom action happens on the USBMOUSE device for USB */ 1135 if (((hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD) || 1136 (hdev->product == USB_DEVICE_ID_LENOVO_TPIIUSBKBD)) && 1137 hdev->type != HID_TYPE_USBMOUSE) { 1138 hid_dbg(hdev, "Ignoring keyboard half of device\n"); 1139 return 0; 1140 } 1141 1142 cptkbd_data = devm_kzalloc(&hdev->dev, 1143 sizeof(*cptkbd_data), 1144 GFP_KERNEL); 1145 if (cptkbd_data == NULL) { 1146 hid_err(hdev, "can't alloc keyboard descriptor\n"); 1147 return -ENOMEM; 1148 } 1149 hid_set_drvdata(hdev, cptkbd_data); 1150 1151 /* 1152 * Tell the keyboard a driver understands it, and turn F7, F9, F11 into 1153 * regular keys (Compact only) 1154 */ 1155 if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD || 1156 hdev->product == USB_DEVICE_ID_LENOVO_CBTKBD) { 1157 ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03); 1158 if (ret) 1159 hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret); 1160 } 1161 1162 /* Switch middle button to native mode */ 1163 ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01); 1164 if (ret) 1165 hid_warn(hdev, "Failed to switch middle button: %d\n", ret); 1166 1167 /* Set keyboard settings to known state */ 1168 cptkbd_data->middlebutton_state = 0; 1169 cptkbd_data->fn_lock = true; 1170 cptkbd_data->sensitivity = 0x05; 1171 lenovo_features_set_cptkbd(hdev); 1172 1173 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd); 1174 if (ret) 1175 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1176 1177 return 0; 1178 } 1179 1180 static struct attribute *lenovo_attributes_tp10ubkbd[] = { 1181 &dev_attr_fn_lock.attr, 1182 NULL 1183 }; 1184 1185 static const struct attribute_group lenovo_attr_group_tp10ubkbd = { 1186 .attrs = lenovo_attributes_tp10ubkbd, 1187 }; 1188 1189 static int lenovo_probe_tp10ubkbd(struct hid_device *hdev) 1190 { 1191 struct hid_report_enum *rep_enum; 1192 struct lenovo_drvdata *data; 1193 struct hid_report *rep; 1194 bool found; 1195 int ret; 1196 1197 /* 1198 * The LEDs and the Fn-lock functionality use output report 9, 1199 * with an application of 0xffa0001, add the LEDs on the interface 1200 * with this output report. 1201 */ 1202 found = false; 1203 rep_enum = &hdev->report_enum[HID_OUTPUT_REPORT]; 1204 list_for_each_entry(rep, &rep_enum->report_list, list) { 1205 if (rep->application == 0xffa00001) 1206 found = true; 1207 } 1208 if (!found) 1209 return 0; 1210 1211 data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL); 1212 if (!data) 1213 return -ENOMEM; 1214 1215 mutex_init(&data->led_report_mutex); 1216 INIT_WORK(&data->fn_lock_sync_work, lenovo_tp10ubkbd_sync_fn_lock); 1217 data->hdev = hdev; 1218 1219 hid_set_drvdata(hdev, data); 1220 1221 /* 1222 * The Thinkpad 10 ultrabook USB kbd dock's Fn-lock defaults to on. 1223 * We cannot read the state, only set it, so we force it to on here 1224 * (which should be a no-op) to make sure that our state matches the 1225 * keyboard's FN-lock state. This is the same as what Windows does. 1226 */ 1227 data->fn_lock = true; 1228 lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock); 1229 1230 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1231 if (ret) 1232 return ret; 1233 1234 ret = lenovo_register_leds(hdev); 1235 if (ret) 1236 goto err; 1237 1238 return 0; 1239 err: 1240 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1241 return ret; 1242 } 1243 1244 static int lenovo_probe(struct hid_device *hdev, 1245 const struct hid_device_id *id) 1246 { 1247 int ret; 1248 1249 ret = hid_parse(hdev); 1250 if (ret) { 1251 hid_err(hdev, "hid_parse failed\n"); 1252 goto err; 1253 } 1254 1255 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1256 if (ret) { 1257 hid_err(hdev, "hid_hw_start failed\n"); 1258 goto err; 1259 } 1260 1261 switch (hdev->product) { 1262 case USB_DEVICE_ID_LENOVO_TPKBD: 1263 ret = lenovo_probe_tpkbd(hdev); 1264 break; 1265 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1266 case USB_DEVICE_ID_LENOVO_CBTKBD: 1267 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1268 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1269 ret = lenovo_probe_cptkbd(hdev); 1270 break; 1271 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1272 case USB_DEVICE_ID_LENOVO_X1_TAB: 1273 ret = lenovo_probe_tp10ubkbd(hdev); 1274 break; 1275 default: 1276 ret = 0; 1277 break; 1278 } 1279 if (ret) 1280 goto err_hid; 1281 1282 return 0; 1283 err_hid: 1284 hid_hw_stop(hdev); 1285 err: 1286 return ret; 1287 } 1288 1289 static void lenovo_remove_tpkbd(struct hid_device *hdev) 1290 { 1291 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1292 1293 /* 1294 * Only the trackpoint half of the keyboard has drvdata and stuff that 1295 * needs unregistering. 1296 */ 1297 if (data_pointer == NULL) 1298 return; 1299 1300 sysfs_remove_group(&hdev->dev.kobj, 1301 &lenovo_attr_group_tpkbd); 1302 1303 led_classdev_unregister(&data_pointer->led_micmute); 1304 led_classdev_unregister(&data_pointer->led_mute); 1305 } 1306 1307 static void lenovo_remove_cptkbd(struct hid_device *hdev) 1308 { 1309 sysfs_remove_group(&hdev->dev.kobj, 1310 &lenovo_attr_group_cptkbd); 1311 } 1312 1313 static void lenovo_remove_tp10ubkbd(struct hid_device *hdev) 1314 { 1315 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1316 1317 if (data == NULL) 1318 return; 1319 1320 led_classdev_unregister(&data->led_micmute); 1321 led_classdev_unregister(&data->led_mute); 1322 1323 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1324 cancel_work_sync(&data->fn_lock_sync_work); 1325 } 1326 1327 static void lenovo_remove(struct hid_device *hdev) 1328 { 1329 switch (hdev->product) { 1330 case USB_DEVICE_ID_LENOVO_TPKBD: 1331 lenovo_remove_tpkbd(hdev); 1332 break; 1333 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1334 case USB_DEVICE_ID_LENOVO_CBTKBD: 1335 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1336 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1337 lenovo_remove_cptkbd(hdev); 1338 break; 1339 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1340 case USB_DEVICE_ID_LENOVO_X1_TAB: 1341 lenovo_remove_tp10ubkbd(hdev); 1342 break; 1343 } 1344 1345 hid_hw_stop(hdev); 1346 } 1347 1348 static int lenovo_input_configured(struct hid_device *hdev, 1349 struct hid_input *hi) 1350 { 1351 switch (hdev->product) { 1352 case USB_DEVICE_ID_LENOVO_TPKBD: 1353 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1354 case USB_DEVICE_ID_LENOVO_CBTKBD: 1355 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1356 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1357 if (test_bit(EV_REL, hi->input->evbit)) { 1358 /* set only for trackpoint device */ 1359 __set_bit(INPUT_PROP_POINTER, hi->input->propbit); 1360 __set_bit(INPUT_PROP_POINTING_STICK, 1361 hi->input->propbit); 1362 } 1363 break; 1364 } 1365 1366 return 0; 1367 } 1368 1369 1370 static const struct hid_device_id lenovo_devices[] = { 1371 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, 1372 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) }, 1373 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIUSBKBD) }, 1374 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) }, 1375 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIBTKBD) }, 1376 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) }, 1377 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) }, 1378 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) }, 1379 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) }, 1380 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) }, 1381 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) }, 1382 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) }, 1383 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) }, 1384 /* 1385 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard 1386 * part, while letting hid-multitouch.c handle the touchpad and trackpoint. 1387 */ 1388 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1389 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) }, 1390 { } 1391 }; 1392 1393 MODULE_DEVICE_TABLE(hid, lenovo_devices); 1394 1395 static struct hid_driver lenovo_driver = { 1396 .name = "lenovo", 1397 .id_table = lenovo_devices, 1398 .input_configured = lenovo_input_configured, 1399 .input_mapping = lenovo_input_mapping, 1400 .probe = lenovo_probe, 1401 .remove = lenovo_remove, 1402 .raw_event = lenovo_raw_event, 1403 .event = lenovo_event, 1404 .report_fixup = lenovo_report_fixup, 1405 }; 1406 module_hid_driver(lenovo_driver); 1407 1408 MODULE_LICENSE("GPL"); 1409