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 */ 58 u8 middlebutton_state; 59 bool fn_lock; 60 bool middleclick_workaround_cptkbd; 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 /* 530 * Tell the keyboard a driver understands it, and turn F7, F9, F11 into 531 * regular keys 532 */ 533 ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03); 534 if (ret) 535 hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret); 536 537 /* Switch middle button to native mode */ 538 ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01); 539 if (ret) 540 hid_warn(hdev, "Failed to switch middle button: %d\n", ret); 541 542 ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock); 543 if (ret) 544 hid_err(hdev, "Fn-lock setting failed: %d\n", ret); 545 546 ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity); 547 if (ret) 548 hid_err(hdev, "Sensitivity setting failed: %d\n", ret); 549 } 550 551 static ssize_t attr_fn_lock_show(struct device *dev, 552 struct device_attribute *attr, 553 char *buf) 554 { 555 struct hid_device *hdev = to_hid_device(dev); 556 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 557 558 return sysfs_emit(buf, "%u\n", data->fn_lock); 559 } 560 561 static ssize_t attr_fn_lock_store(struct device *dev, 562 struct device_attribute *attr, 563 const char *buf, 564 size_t count) 565 { 566 struct hid_device *hdev = to_hid_device(dev); 567 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 568 int value, ret; 569 570 if (kstrtoint(buf, 10, &value)) 571 return -EINVAL; 572 if (value < 0 || value > 1) 573 return -EINVAL; 574 575 data->fn_lock = !!value; 576 577 switch (hdev->product) { 578 case USB_DEVICE_ID_LENOVO_CUSBKBD: 579 case USB_DEVICE_ID_LENOVO_CBTKBD: 580 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 581 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 582 lenovo_features_set_cptkbd(hdev); 583 break; 584 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 585 case USB_DEVICE_ID_LENOVO_X1_TAB: 586 ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value); 587 if (ret) 588 return ret; 589 break; 590 } 591 592 return count; 593 } 594 595 static ssize_t attr_sensitivity_show_cptkbd(struct device *dev, 596 struct device_attribute *attr, 597 char *buf) 598 { 599 struct hid_device *hdev = to_hid_device(dev); 600 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 601 602 return sysfs_emit(buf, "%u\n", cptkbd_data->sensitivity); 603 } 604 605 static ssize_t attr_sensitivity_store_cptkbd(struct device *dev, 606 struct device_attribute *attr, 607 const char *buf, 608 size_t count) 609 { 610 struct hid_device *hdev = to_hid_device(dev); 611 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 612 int value; 613 614 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 615 return -EINVAL; 616 617 cptkbd_data->sensitivity = value; 618 lenovo_features_set_cptkbd(hdev); 619 620 return count; 621 } 622 623 static ssize_t attr_middleclick_workaround_show_cptkbd(struct device *dev, 624 struct device_attribute *attr, 625 char *buf) 626 { 627 struct hid_device *hdev = to_hid_device(dev); 628 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 629 630 return sysfs_emit(buf, "%u\n", 631 cptkbd_data->middleclick_workaround_cptkbd); 632 } 633 634 static ssize_t attr_middleclick_workaround_store_cptkbd(struct device *dev, 635 struct device_attribute *attr, 636 const char *buf, 637 size_t count) 638 { 639 struct hid_device *hdev = to_hid_device(dev); 640 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 641 int value; 642 643 if (kstrtoint(buf, 10, &value)) 644 return -EINVAL; 645 if (value < 0 || value > 1) 646 return -EINVAL; 647 648 cptkbd_data->middleclick_workaround_cptkbd = !!value; 649 650 return count; 651 } 652 653 654 static struct device_attribute dev_attr_fn_lock = 655 __ATTR(fn_lock, S_IWUSR | S_IRUGO, 656 attr_fn_lock_show, 657 attr_fn_lock_store); 658 659 static struct device_attribute dev_attr_sensitivity_cptkbd = 660 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 661 attr_sensitivity_show_cptkbd, 662 attr_sensitivity_store_cptkbd); 663 664 static struct device_attribute dev_attr_middleclick_workaround_cptkbd = 665 __ATTR(middleclick_workaround, S_IWUSR | S_IRUGO, 666 attr_middleclick_workaround_show_cptkbd, 667 attr_middleclick_workaround_store_cptkbd); 668 669 670 static struct attribute *lenovo_attributes_cptkbd[] = { 671 &dev_attr_fn_lock.attr, 672 &dev_attr_sensitivity_cptkbd.attr, 673 &dev_attr_middleclick_workaround_cptkbd.attr, 674 NULL 675 }; 676 677 static const struct attribute_group lenovo_attr_group_cptkbd = { 678 .attrs = lenovo_attributes_cptkbd, 679 }; 680 681 static int lenovo_raw_event(struct hid_device *hdev, 682 struct hid_report *report, u8 *data, int size) 683 { 684 /* 685 * Compact USB keyboard's Fn-F12 report holds down many other keys, and 686 * its own key is outside the usage page range. Remove extra 687 * keypresses and remap to inside usage page. 688 */ 689 if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD 690 && size == 3 691 && data[0] == 0x15 692 && data[1] == 0x94 693 && data[2] == 0x01)) { 694 data[1] = 0x00; 695 data[2] = 0x01; 696 } 697 698 return 0; 699 } 700 701 static int lenovo_event_tp10ubkbd(struct hid_device *hdev, 702 struct hid_field *field, struct hid_usage *usage, __s32 value) 703 { 704 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 705 706 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 707 /* 708 * The user has toggled the Fn-lock state. Toggle our own 709 * cached value of it and sync our value to the keyboard to 710 * ensure things are in sync (the sycning should be a no-op). 711 */ 712 data->fn_lock = !data->fn_lock; 713 schedule_work(&data->fn_lock_sync_work); 714 } 715 716 return 0; 717 } 718 719 static int lenovo_event_cptkbd(struct hid_device *hdev, 720 struct hid_field *field, struct hid_usage *usage, __s32 value) 721 { 722 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 723 724 if (cptkbd_data->middleclick_workaround_cptkbd) { 725 /* "wheel" scroll events */ 726 if (usage->type == EV_REL && (usage->code == REL_WHEEL || 727 usage->code == REL_HWHEEL)) { 728 /* Scroll events disable middle-click event */ 729 cptkbd_data->middlebutton_state = 2; 730 return 0; 731 } 732 733 /* Middle click events */ 734 if (usage->type == EV_KEY && usage->code == BTN_MIDDLE) { 735 if (value == 1) { 736 cptkbd_data->middlebutton_state = 1; 737 } else if (value == 0) { 738 if (cptkbd_data->middlebutton_state == 1) { 739 /* No scrolling inbetween, send middle-click */ 740 input_event(field->hidinput->input, 741 EV_KEY, BTN_MIDDLE, 1); 742 input_sync(field->hidinput->input); 743 input_event(field->hidinput->input, 744 EV_KEY, BTN_MIDDLE, 0); 745 input_sync(field->hidinput->input); 746 } 747 cptkbd_data->middlebutton_state = 0; 748 } 749 return 1; 750 } 751 } 752 753 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 754 /* 755 * The user has toggled the Fn-lock state. Toggle our own 756 * cached value of it and sync our value to the keyboard to 757 * ensure things are in sync (the syncing should be a no-op). 758 */ 759 cptkbd_data->fn_lock = !cptkbd_data->fn_lock; 760 } 761 762 return 0; 763 } 764 765 static int lenovo_event(struct hid_device *hdev, struct hid_field *field, 766 struct hid_usage *usage, __s32 value) 767 { 768 if (!hid_get_drvdata(hdev)) 769 return 0; 770 771 switch (hdev->product) { 772 case USB_DEVICE_ID_LENOVO_CUSBKBD: 773 case USB_DEVICE_ID_LENOVO_CBTKBD: 774 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 775 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 776 return lenovo_event_cptkbd(hdev, field, usage, value); 777 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 778 case USB_DEVICE_ID_LENOVO_X1_TAB: 779 return lenovo_event_tp10ubkbd(hdev, field, usage, value); 780 default: 781 return 0; 782 } 783 } 784 785 static int lenovo_features_set_tpkbd(struct hid_device *hdev) 786 { 787 struct hid_report *report; 788 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 789 790 report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4]; 791 792 report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02; 793 report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08; 794 report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20; 795 report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40; 796 report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver 797 report->field[2]->value[0] = data_pointer->sensitivity; 798 report->field[3]->value[0] = data_pointer->press_speed; 799 800 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 801 return 0; 802 } 803 804 static ssize_t attr_press_to_select_show_tpkbd(struct device *dev, 805 struct device_attribute *attr, 806 char *buf) 807 { 808 struct hid_device *hdev = to_hid_device(dev); 809 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 810 811 return sysfs_emit(buf, "%u\n", data_pointer->press_to_select); 812 } 813 814 static ssize_t attr_press_to_select_store_tpkbd(struct device *dev, 815 struct device_attribute *attr, 816 const char *buf, 817 size_t count) 818 { 819 struct hid_device *hdev = to_hid_device(dev); 820 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 821 int value; 822 823 if (kstrtoint(buf, 10, &value)) 824 return -EINVAL; 825 if (value < 0 || value > 1) 826 return -EINVAL; 827 828 data_pointer->press_to_select = value; 829 lenovo_features_set_tpkbd(hdev); 830 831 return count; 832 } 833 834 static ssize_t attr_dragging_show_tpkbd(struct device *dev, 835 struct device_attribute *attr, 836 char *buf) 837 { 838 struct hid_device *hdev = to_hid_device(dev); 839 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 840 841 return sysfs_emit(buf, "%u\n", data_pointer->dragging); 842 } 843 844 static ssize_t attr_dragging_store_tpkbd(struct device *dev, 845 struct device_attribute *attr, 846 const char *buf, 847 size_t count) 848 { 849 struct hid_device *hdev = to_hid_device(dev); 850 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 851 int value; 852 853 if (kstrtoint(buf, 10, &value)) 854 return -EINVAL; 855 if (value < 0 || value > 1) 856 return -EINVAL; 857 858 data_pointer->dragging = value; 859 lenovo_features_set_tpkbd(hdev); 860 861 return count; 862 } 863 864 static ssize_t attr_release_to_select_show_tpkbd(struct device *dev, 865 struct device_attribute *attr, 866 char *buf) 867 { 868 struct hid_device *hdev = to_hid_device(dev); 869 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 870 871 return sysfs_emit(buf, "%u\n", data_pointer->release_to_select); 872 } 873 874 static ssize_t attr_release_to_select_store_tpkbd(struct device *dev, 875 struct device_attribute *attr, 876 const char *buf, 877 size_t count) 878 { 879 struct hid_device *hdev = to_hid_device(dev); 880 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 881 int value; 882 883 if (kstrtoint(buf, 10, &value)) 884 return -EINVAL; 885 if (value < 0 || value > 1) 886 return -EINVAL; 887 888 data_pointer->release_to_select = value; 889 lenovo_features_set_tpkbd(hdev); 890 891 return count; 892 } 893 894 static ssize_t attr_select_right_show_tpkbd(struct device *dev, 895 struct device_attribute *attr, 896 char *buf) 897 { 898 struct hid_device *hdev = to_hid_device(dev); 899 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 900 901 return sysfs_emit(buf, "%u\n", data_pointer->select_right); 902 } 903 904 static ssize_t attr_select_right_store_tpkbd(struct device *dev, 905 struct device_attribute *attr, 906 const char *buf, 907 size_t count) 908 { 909 struct hid_device *hdev = to_hid_device(dev); 910 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 911 int value; 912 913 if (kstrtoint(buf, 10, &value)) 914 return -EINVAL; 915 if (value < 0 || value > 1) 916 return -EINVAL; 917 918 data_pointer->select_right = value; 919 lenovo_features_set_tpkbd(hdev); 920 921 return count; 922 } 923 924 static ssize_t attr_sensitivity_show_tpkbd(struct device *dev, 925 struct device_attribute *attr, 926 char *buf) 927 { 928 struct hid_device *hdev = to_hid_device(dev); 929 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 930 931 return sysfs_emit(buf, "%u\n", data_pointer->sensitivity); 932 } 933 934 static ssize_t attr_sensitivity_store_tpkbd(struct device *dev, 935 struct device_attribute *attr, 936 const char *buf, 937 size_t count) 938 { 939 struct hid_device *hdev = to_hid_device(dev); 940 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 941 int value; 942 943 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 944 return -EINVAL; 945 946 data_pointer->sensitivity = value; 947 lenovo_features_set_tpkbd(hdev); 948 949 return count; 950 } 951 952 static ssize_t attr_press_speed_show_tpkbd(struct device *dev, 953 struct device_attribute *attr, 954 char *buf) 955 { 956 struct hid_device *hdev = to_hid_device(dev); 957 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 958 959 return sysfs_emit(buf, "%u\n", data_pointer->press_speed); 960 } 961 962 static ssize_t attr_press_speed_store_tpkbd(struct device *dev, 963 struct device_attribute *attr, 964 const char *buf, 965 size_t count) 966 { 967 struct hid_device *hdev = to_hid_device(dev); 968 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 969 int value; 970 971 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 972 return -EINVAL; 973 974 data_pointer->press_speed = value; 975 lenovo_features_set_tpkbd(hdev); 976 977 return count; 978 } 979 980 static struct device_attribute dev_attr_press_to_select_tpkbd = 981 __ATTR(press_to_select, S_IWUSR | S_IRUGO, 982 attr_press_to_select_show_tpkbd, 983 attr_press_to_select_store_tpkbd); 984 985 static struct device_attribute dev_attr_dragging_tpkbd = 986 __ATTR(dragging, S_IWUSR | S_IRUGO, 987 attr_dragging_show_tpkbd, 988 attr_dragging_store_tpkbd); 989 990 static struct device_attribute dev_attr_release_to_select_tpkbd = 991 __ATTR(release_to_select, S_IWUSR | S_IRUGO, 992 attr_release_to_select_show_tpkbd, 993 attr_release_to_select_store_tpkbd); 994 995 static struct device_attribute dev_attr_select_right_tpkbd = 996 __ATTR(select_right, S_IWUSR | S_IRUGO, 997 attr_select_right_show_tpkbd, 998 attr_select_right_store_tpkbd); 999 1000 static struct device_attribute dev_attr_sensitivity_tpkbd = 1001 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 1002 attr_sensitivity_show_tpkbd, 1003 attr_sensitivity_store_tpkbd); 1004 1005 static struct device_attribute dev_attr_press_speed_tpkbd = 1006 __ATTR(press_speed, S_IWUSR | S_IRUGO, 1007 attr_press_speed_show_tpkbd, 1008 attr_press_speed_store_tpkbd); 1009 1010 static struct attribute *lenovo_attributes_tpkbd[] = { 1011 &dev_attr_press_to_select_tpkbd.attr, 1012 &dev_attr_dragging_tpkbd.attr, 1013 &dev_attr_release_to_select_tpkbd.attr, 1014 &dev_attr_select_right_tpkbd.attr, 1015 &dev_attr_sensitivity_tpkbd.attr, 1016 &dev_attr_press_speed_tpkbd.attr, 1017 NULL 1018 }; 1019 1020 static const struct attribute_group lenovo_attr_group_tpkbd = { 1021 .attrs = lenovo_attributes_tpkbd, 1022 }; 1023 1024 static void lenovo_led_set_tpkbd(struct hid_device *hdev) 1025 { 1026 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1027 struct hid_report *report; 1028 1029 report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; 1030 report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; 1031 report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; 1032 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 1033 } 1034 1035 static int lenovo_led_brightness_set(struct led_classdev *led_cdev, 1036 enum led_brightness value) 1037 { 1038 struct device *dev = led_cdev->dev->parent; 1039 struct hid_device *hdev = to_hid_device(dev); 1040 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1041 static const u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED }; 1042 int led_nr = 0; 1043 int ret = 0; 1044 1045 if (led_cdev == &data_pointer->led_micmute) 1046 led_nr = 1; 1047 1048 if (value == LED_OFF) 1049 data_pointer->led_state &= ~(1 << led_nr); 1050 else 1051 data_pointer->led_state |= 1 << led_nr; 1052 1053 switch (hdev->product) { 1054 case USB_DEVICE_ID_LENOVO_TPKBD: 1055 lenovo_led_set_tpkbd(hdev); 1056 break; 1057 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1058 case USB_DEVICE_ID_LENOVO_X1_TAB: 1059 ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value); 1060 break; 1061 } 1062 1063 return ret; 1064 } 1065 1066 static int lenovo_register_leds(struct hid_device *hdev) 1067 { 1068 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1069 size_t name_sz = strlen(dev_name(&hdev->dev)) + 16; 1070 char *name_mute, *name_micm; 1071 int ret; 1072 1073 name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1074 name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1075 if (name_mute == NULL || name_micm == NULL) { 1076 hid_err(hdev, "Could not allocate memory for led data\n"); 1077 return -ENOMEM; 1078 } 1079 snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev)); 1080 snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev)); 1081 1082 data->led_mute.name = name_mute; 1083 data->led_mute.default_trigger = "audio-mute"; 1084 data->led_mute.brightness_set_blocking = lenovo_led_brightness_set; 1085 data->led_mute.max_brightness = 1; 1086 data->led_mute.flags = LED_HW_PLUGGABLE; 1087 data->led_mute.dev = &hdev->dev; 1088 ret = led_classdev_register(&hdev->dev, &data->led_mute); 1089 if (ret < 0) 1090 return ret; 1091 1092 data->led_micmute.name = name_micm; 1093 data->led_micmute.default_trigger = "audio-micmute"; 1094 data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set; 1095 data->led_micmute.max_brightness = 1; 1096 data->led_micmute.flags = LED_HW_PLUGGABLE; 1097 data->led_micmute.dev = &hdev->dev; 1098 ret = led_classdev_register(&hdev->dev, &data->led_micmute); 1099 if (ret < 0) { 1100 led_classdev_unregister(&data->led_mute); 1101 return ret; 1102 } 1103 1104 return 0; 1105 } 1106 1107 static int lenovo_probe_tpkbd(struct hid_device *hdev) 1108 { 1109 struct lenovo_drvdata *data_pointer; 1110 int i, ret; 1111 1112 /* 1113 * Only register extra settings against subdevice where input_mapping 1114 * set drvdata to 1, i.e. the trackpoint. 1115 */ 1116 if (!hid_get_drvdata(hdev)) 1117 return 0; 1118 1119 hid_set_drvdata(hdev, NULL); 1120 1121 /* Validate required reports. */ 1122 for (i = 0; i < 4; i++) { 1123 if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1)) 1124 return -ENODEV; 1125 } 1126 if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2)) 1127 return -ENODEV; 1128 1129 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1130 if (ret) 1131 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1132 1133 data_pointer = devm_kzalloc(&hdev->dev, 1134 sizeof(struct lenovo_drvdata), 1135 GFP_KERNEL); 1136 if (data_pointer == NULL) { 1137 hid_err(hdev, "Could not allocate memory for driver data\n"); 1138 ret = -ENOMEM; 1139 goto err; 1140 } 1141 1142 // set same default values as windows driver 1143 data_pointer->sensitivity = 0xa0; 1144 data_pointer->press_speed = 0x38; 1145 1146 hid_set_drvdata(hdev, data_pointer); 1147 1148 ret = lenovo_register_leds(hdev); 1149 if (ret) 1150 goto err; 1151 1152 lenovo_features_set_tpkbd(hdev); 1153 1154 return 0; 1155 err: 1156 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1157 return ret; 1158 } 1159 1160 static int lenovo_probe_cptkbd(struct hid_device *hdev) 1161 { 1162 int ret; 1163 struct lenovo_drvdata *cptkbd_data; 1164 1165 /* All the custom action happens on the USBMOUSE device for USB */ 1166 if (((hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD) || 1167 (hdev->product == USB_DEVICE_ID_LENOVO_TPIIUSBKBD)) && 1168 hdev->type != HID_TYPE_USBMOUSE) { 1169 hid_dbg(hdev, "Ignoring keyboard half of device\n"); 1170 return 0; 1171 } 1172 1173 cptkbd_data = devm_kzalloc(&hdev->dev, 1174 sizeof(*cptkbd_data), 1175 GFP_KERNEL); 1176 if (cptkbd_data == NULL) { 1177 hid_err(hdev, "can't alloc keyboard descriptor\n"); 1178 return -ENOMEM; 1179 } 1180 hid_set_drvdata(hdev, cptkbd_data); 1181 1182 /* Set keyboard settings to known state */ 1183 cptkbd_data->middlebutton_state = 0; 1184 cptkbd_data->fn_lock = true; 1185 cptkbd_data->sensitivity = 0x05; 1186 cptkbd_data->middleclick_workaround_cptkbd = true; 1187 lenovo_features_set_cptkbd(hdev); 1188 1189 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd); 1190 if (ret) 1191 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1192 1193 return 0; 1194 } 1195 1196 static struct attribute *lenovo_attributes_tp10ubkbd[] = { 1197 &dev_attr_fn_lock.attr, 1198 NULL 1199 }; 1200 1201 static const struct attribute_group lenovo_attr_group_tp10ubkbd = { 1202 .attrs = lenovo_attributes_tp10ubkbd, 1203 }; 1204 1205 static int lenovo_probe_tp10ubkbd(struct hid_device *hdev) 1206 { 1207 struct hid_report_enum *rep_enum; 1208 struct lenovo_drvdata *data; 1209 struct hid_report *rep; 1210 bool found; 1211 int ret; 1212 1213 /* 1214 * The LEDs and the Fn-lock functionality use output report 9, 1215 * with an application of 0xffa0001, add the LEDs on the interface 1216 * with this output report. 1217 */ 1218 found = false; 1219 rep_enum = &hdev->report_enum[HID_OUTPUT_REPORT]; 1220 list_for_each_entry(rep, &rep_enum->report_list, list) { 1221 if (rep->application == 0xffa00001) 1222 found = true; 1223 } 1224 if (!found) 1225 return 0; 1226 1227 data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL); 1228 if (!data) 1229 return -ENOMEM; 1230 1231 mutex_init(&data->led_report_mutex); 1232 INIT_WORK(&data->fn_lock_sync_work, lenovo_tp10ubkbd_sync_fn_lock); 1233 data->hdev = hdev; 1234 1235 hid_set_drvdata(hdev, data); 1236 1237 /* 1238 * The Thinkpad 10 ultrabook USB kbd dock's Fn-lock defaults to on. 1239 * We cannot read the state, only set it, so we force it to on here 1240 * (which should be a no-op) to make sure that our state matches the 1241 * keyboard's FN-lock state. This is the same as what Windows does. 1242 */ 1243 data->fn_lock = true; 1244 lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock); 1245 1246 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1247 if (ret) 1248 return ret; 1249 1250 ret = lenovo_register_leds(hdev); 1251 if (ret) 1252 goto err; 1253 1254 return 0; 1255 err: 1256 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1257 return ret; 1258 } 1259 1260 static int lenovo_probe(struct hid_device *hdev, 1261 const struct hid_device_id *id) 1262 { 1263 int ret; 1264 1265 ret = hid_parse(hdev); 1266 if (ret) { 1267 hid_err(hdev, "hid_parse failed\n"); 1268 goto err; 1269 } 1270 1271 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1272 if (ret) { 1273 hid_err(hdev, "hid_hw_start failed\n"); 1274 goto err; 1275 } 1276 1277 switch (hdev->product) { 1278 case USB_DEVICE_ID_LENOVO_TPKBD: 1279 ret = lenovo_probe_tpkbd(hdev); 1280 break; 1281 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1282 case USB_DEVICE_ID_LENOVO_CBTKBD: 1283 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1284 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1285 ret = lenovo_probe_cptkbd(hdev); 1286 break; 1287 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1288 case USB_DEVICE_ID_LENOVO_X1_TAB: 1289 ret = lenovo_probe_tp10ubkbd(hdev); 1290 break; 1291 default: 1292 ret = 0; 1293 break; 1294 } 1295 if (ret) 1296 goto err_hid; 1297 1298 return 0; 1299 err_hid: 1300 hid_hw_stop(hdev); 1301 err: 1302 return ret; 1303 } 1304 1305 #ifdef CONFIG_PM 1306 static int lenovo_reset_resume(struct hid_device *hdev) 1307 { 1308 switch (hdev->product) { 1309 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1310 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1311 if (hdev->type == HID_TYPE_USBMOUSE) 1312 lenovo_features_set_cptkbd(hdev); 1313 1314 break; 1315 default: 1316 break; 1317 } 1318 1319 return 0; 1320 } 1321 #endif 1322 1323 static void lenovo_remove_tpkbd(struct hid_device *hdev) 1324 { 1325 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1326 1327 /* 1328 * Only the trackpoint half of the keyboard has drvdata and stuff that 1329 * needs unregistering. 1330 */ 1331 if (data_pointer == NULL) 1332 return; 1333 1334 sysfs_remove_group(&hdev->dev.kobj, 1335 &lenovo_attr_group_tpkbd); 1336 1337 led_classdev_unregister(&data_pointer->led_micmute); 1338 led_classdev_unregister(&data_pointer->led_mute); 1339 } 1340 1341 static void lenovo_remove_cptkbd(struct hid_device *hdev) 1342 { 1343 sysfs_remove_group(&hdev->dev.kobj, 1344 &lenovo_attr_group_cptkbd); 1345 } 1346 1347 static void lenovo_remove_tp10ubkbd(struct hid_device *hdev) 1348 { 1349 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1350 1351 if (data == NULL) 1352 return; 1353 1354 led_classdev_unregister(&data->led_micmute); 1355 led_classdev_unregister(&data->led_mute); 1356 1357 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1358 cancel_work_sync(&data->fn_lock_sync_work); 1359 } 1360 1361 static void lenovo_remove(struct hid_device *hdev) 1362 { 1363 switch (hdev->product) { 1364 case USB_DEVICE_ID_LENOVO_TPKBD: 1365 lenovo_remove_tpkbd(hdev); 1366 break; 1367 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1368 case USB_DEVICE_ID_LENOVO_CBTKBD: 1369 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1370 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1371 lenovo_remove_cptkbd(hdev); 1372 break; 1373 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1374 case USB_DEVICE_ID_LENOVO_X1_TAB: 1375 lenovo_remove_tp10ubkbd(hdev); 1376 break; 1377 } 1378 1379 hid_hw_stop(hdev); 1380 } 1381 1382 static int lenovo_input_configured(struct hid_device *hdev, 1383 struct hid_input *hi) 1384 { 1385 switch (hdev->product) { 1386 case USB_DEVICE_ID_LENOVO_TPKBD: 1387 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1388 case USB_DEVICE_ID_LENOVO_CBTKBD: 1389 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1390 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1391 if (test_bit(EV_REL, hi->input->evbit)) { 1392 /* set only for trackpoint device */ 1393 __set_bit(INPUT_PROP_POINTER, hi->input->propbit); 1394 __set_bit(INPUT_PROP_POINTING_STICK, 1395 hi->input->propbit); 1396 } 1397 break; 1398 } 1399 1400 return 0; 1401 } 1402 1403 1404 static const struct hid_device_id lenovo_devices[] = { 1405 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, 1406 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) }, 1407 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIUSBKBD) }, 1408 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) }, 1409 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIBTKBD) }, 1410 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) }, 1411 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) }, 1412 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) }, 1413 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) }, 1414 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) }, 1415 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) }, 1416 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) }, 1417 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) }, 1418 /* 1419 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard 1420 * part, while letting hid-multitouch.c handle the touchpad and trackpoint. 1421 */ 1422 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1423 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) }, 1424 { } 1425 }; 1426 1427 MODULE_DEVICE_TABLE(hid, lenovo_devices); 1428 1429 static struct hid_driver lenovo_driver = { 1430 .name = "lenovo", 1431 .id_table = lenovo_devices, 1432 .input_configured = lenovo_input_configured, 1433 .input_mapping = lenovo_input_mapping, 1434 .probe = lenovo_probe, 1435 .remove = lenovo_remove, 1436 .raw_event = lenovo_raw_event, 1437 .event = lenovo_event, 1438 .report_fixup = lenovo_report_fixup, 1439 #ifdef CONFIG_PM 1440 .reset_resume = lenovo_reset_resume, 1441 #endif 1442 }; 1443 module_hid_driver(lenovo_driver); 1444 1445 MODULE_LICENSE("GPL"); 1446