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 snprintf(buf, PAGE_SIZE, "%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 snprintf(buf, PAGE_SIZE, "%u\n", 603 cptkbd_data->sensitivity); 604 } 605 606 static ssize_t attr_sensitivity_store_cptkbd(struct device *dev, 607 struct device_attribute *attr, 608 const char *buf, 609 size_t count) 610 { 611 struct hid_device *hdev = to_hid_device(dev); 612 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 613 int value; 614 615 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 616 return -EINVAL; 617 618 cptkbd_data->sensitivity = value; 619 lenovo_features_set_cptkbd(hdev); 620 621 return count; 622 } 623 624 static ssize_t attr_middleclick_workaround_show_cptkbd(struct device *dev, 625 struct device_attribute *attr, 626 char *buf) 627 { 628 struct hid_device *hdev = to_hid_device(dev); 629 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 630 631 return snprintf(buf, PAGE_SIZE, "%u\n", 632 cptkbd_data->middleclick_workaround_cptkbd); 633 } 634 635 static ssize_t attr_middleclick_workaround_store_cptkbd(struct device *dev, 636 struct device_attribute *attr, 637 const char *buf, 638 size_t count) 639 { 640 struct hid_device *hdev = to_hid_device(dev); 641 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 642 int value; 643 644 if (kstrtoint(buf, 10, &value)) 645 return -EINVAL; 646 if (value < 0 || value > 1) 647 return -EINVAL; 648 649 cptkbd_data->middleclick_workaround_cptkbd = !!value; 650 651 return count; 652 } 653 654 655 static struct device_attribute dev_attr_fn_lock = 656 __ATTR(fn_lock, S_IWUSR | S_IRUGO, 657 attr_fn_lock_show, 658 attr_fn_lock_store); 659 660 static struct device_attribute dev_attr_sensitivity_cptkbd = 661 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 662 attr_sensitivity_show_cptkbd, 663 attr_sensitivity_store_cptkbd); 664 665 static struct device_attribute dev_attr_middleclick_workaround_cptkbd = 666 __ATTR(middleclick_workaround, S_IWUSR | S_IRUGO, 667 attr_middleclick_workaround_show_cptkbd, 668 attr_middleclick_workaround_store_cptkbd); 669 670 671 static struct attribute *lenovo_attributes_cptkbd[] = { 672 &dev_attr_fn_lock.attr, 673 &dev_attr_sensitivity_cptkbd.attr, 674 &dev_attr_middleclick_workaround_cptkbd.attr, 675 NULL 676 }; 677 678 static const struct attribute_group lenovo_attr_group_cptkbd = { 679 .attrs = lenovo_attributes_cptkbd, 680 }; 681 682 static int lenovo_raw_event(struct hid_device *hdev, 683 struct hid_report *report, u8 *data, int size) 684 { 685 /* 686 * Compact USB keyboard's Fn-F12 report holds down many other keys, and 687 * its own key is outside the usage page range. Remove extra 688 * keypresses and remap to inside usage page. 689 */ 690 if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD 691 && size == 3 692 && data[0] == 0x15 693 && data[1] == 0x94 694 && data[2] == 0x01)) { 695 data[1] = 0x00; 696 data[2] = 0x01; 697 } 698 699 return 0; 700 } 701 702 static int lenovo_event_tp10ubkbd(struct hid_device *hdev, 703 struct hid_field *field, struct hid_usage *usage, __s32 value) 704 { 705 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 706 707 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 708 /* 709 * The user has toggled the Fn-lock state. Toggle our own 710 * cached value of it and sync our value to the keyboard to 711 * ensure things are in sync (the sycning should be a no-op). 712 */ 713 data->fn_lock = !data->fn_lock; 714 schedule_work(&data->fn_lock_sync_work); 715 } 716 717 return 0; 718 } 719 720 static int lenovo_event_cptkbd(struct hid_device *hdev, 721 struct hid_field *field, struct hid_usage *usage, __s32 value) 722 { 723 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 724 725 if (cptkbd_data->middleclick_workaround_cptkbd) { 726 /* "wheel" scroll events */ 727 if (usage->type == EV_REL && (usage->code == REL_WHEEL || 728 usage->code == REL_HWHEEL)) { 729 /* Scroll events disable middle-click event */ 730 cptkbd_data->middlebutton_state = 2; 731 return 0; 732 } 733 734 /* Middle click events */ 735 if (usage->type == EV_KEY && usage->code == BTN_MIDDLE) { 736 if (value == 1) { 737 cptkbd_data->middlebutton_state = 1; 738 } else if (value == 0) { 739 if (cptkbd_data->middlebutton_state == 1) { 740 /* No scrolling inbetween, send middle-click */ 741 input_event(field->hidinput->input, 742 EV_KEY, BTN_MIDDLE, 1); 743 input_sync(field->hidinput->input); 744 input_event(field->hidinput->input, 745 EV_KEY, BTN_MIDDLE, 0); 746 input_sync(field->hidinput->input); 747 } 748 cptkbd_data->middlebutton_state = 0; 749 } 750 return 1; 751 } 752 } 753 754 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 755 /* 756 * The user has toggled the Fn-lock state. Toggle our own 757 * cached value of it and sync our value to the keyboard to 758 * ensure things are in sync (the syncing should be a no-op). 759 */ 760 cptkbd_data->fn_lock = !cptkbd_data->fn_lock; 761 } 762 763 return 0; 764 } 765 766 static int lenovo_event(struct hid_device *hdev, struct hid_field *field, 767 struct hid_usage *usage, __s32 value) 768 { 769 if (!hid_get_drvdata(hdev)) 770 return 0; 771 772 switch (hdev->product) { 773 case USB_DEVICE_ID_LENOVO_CUSBKBD: 774 case USB_DEVICE_ID_LENOVO_CBTKBD: 775 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 776 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 777 return lenovo_event_cptkbd(hdev, field, usage, value); 778 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 779 case USB_DEVICE_ID_LENOVO_X1_TAB: 780 return lenovo_event_tp10ubkbd(hdev, field, usage, value); 781 default: 782 return 0; 783 } 784 } 785 786 static int lenovo_features_set_tpkbd(struct hid_device *hdev) 787 { 788 struct hid_report *report; 789 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 790 791 report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4]; 792 793 report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02; 794 report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08; 795 report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20; 796 report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40; 797 report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver 798 report->field[2]->value[0] = data_pointer->sensitivity; 799 report->field[3]->value[0] = data_pointer->press_speed; 800 801 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 802 return 0; 803 } 804 805 static ssize_t attr_press_to_select_show_tpkbd(struct device *dev, 806 struct device_attribute *attr, 807 char *buf) 808 { 809 struct hid_device *hdev = to_hid_device(dev); 810 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 811 812 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select); 813 } 814 815 static ssize_t attr_press_to_select_store_tpkbd(struct device *dev, 816 struct device_attribute *attr, 817 const char *buf, 818 size_t count) 819 { 820 struct hid_device *hdev = to_hid_device(dev); 821 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 822 int value; 823 824 if (kstrtoint(buf, 10, &value)) 825 return -EINVAL; 826 if (value < 0 || value > 1) 827 return -EINVAL; 828 829 data_pointer->press_to_select = value; 830 lenovo_features_set_tpkbd(hdev); 831 832 return count; 833 } 834 835 static ssize_t attr_dragging_show_tpkbd(struct device *dev, 836 struct device_attribute *attr, 837 char *buf) 838 { 839 struct hid_device *hdev = to_hid_device(dev); 840 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 841 842 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging); 843 } 844 845 static ssize_t attr_dragging_store_tpkbd(struct device *dev, 846 struct device_attribute *attr, 847 const char *buf, 848 size_t count) 849 { 850 struct hid_device *hdev = to_hid_device(dev); 851 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 852 int value; 853 854 if (kstrtoint(buf, 10, &value)) 855 return -EINVAL; 856 if (value < 0 || value > 1) 857 return -EINVAL; 858 859 data_pointer->dragging = value; 860 lenovo_features_set_tpkbd(hdev); 861 862 return count; 863 } 864 865 static ssize_t attr_release_to_select_show_tpkbd(struct device *dev, 866 struct device_attribute *attr, 867 char *buf) 868 { 869 struct hid_device *hdev = to_hid_device(dev); 870 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 871 872 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select); 873 } 874 875 static ssize_t attr_release_to_select_store_tpkbd(struct device *dev, 876 struct device_attribute *attr, 877 const char *buf, 878 size_t count) 879 { 880 struct hid_device *hdev = to_hid_device(dev); 881 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 882 int value; 883 884 if (kstrtoint(buf, 10, &value)) 885 return -EINVAL; 886 if (value < 0 || value > 1) 887 return -EINVAL; 888 889 data_pointer->release_to_select = value; 890 lenovo_features_set_tpkbd(hdev); 891 892 return count; 893 } 894 895 static ssize_t attr_select_right_show_tpkbd(struct device *dev, 896 struct device_attribute *attr, 897 char *buf) 898 { 899 struct hid_device *hdev = to_hid_device(dev); 900 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 901 902 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right); 903 } 904 905 static ssize_t attr_select_right_store_tpkbd(struct device *dev, 906 struct device_attribute *attr, 907 const char *buf, 908 size_t count) 909 { 910 struct hid_device *hdev = to_hid_device(dev); 911 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 912 int value; 913 914 if (kstrtoint(buf, 10, &value)) 915 return -EINVAL; 916 if (value < 0 || value > 1) 917 return -EINVAL; 918 919 data_pointer->select_right = value; 920 lenovo_features_set_tpkbd(hdev); 921 922 return count; 923 } 924 925 static ssize_t attr_sensitivity_show_tpkbd(struct device *dev, 926 struct device_attribute *attr, 927 char *buf) 928 { 929 struct hid_device *hdev = to_hid_device(dev); 930 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 931 932 return snprintf(buf, PAGE_SIZE, "%u\n", 933 data_pointer->sensitivity); 934 } 935 936 static ssize_t attr_sensitivity_store_tpkbd(struct device *dev, 937 struct device_attribute *attr, 938 const char *buf, 939 size_t count) 940 { 941 struct hid_device *hdev = to_hid_device(dev); 942 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 943 int value; 944 945 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 946 return -EINVAL; 947 948 data_pointer->sensitivity = value; 949 lenovo_features_set_tpkbd(hdev); 950 951 return count; 952 } 953 954 static ssize_t attr_press_speed_show_tpkbd(struct device *dev, 955 struct device_attribute *attr, 956 char *buf) 957 { 958 struct hid_device *hdev = to_hid_device(dev); 959 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 960 961 return snprintf(buf, PAGE_SIZE, "%u\n", 962 data_pointer->press_speed); 963 } 964 965 static ssize_t attr_press_speed_store_tpkbd(struct device *dev, 966 struct device_attribute *attr, 967 const char *buf, 968 size_t count) 969 { 970 struct hid_device *hdev = to_hid_device(dev); 971 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 972 int value; 973 974 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 975 return -EINVAL; 976 977 data_pointer->press_speed = value; 978 lenovo_features_set_tpkbd(hdev); 979 980 return count; 981 } 982 983 static struct device_attribute dev_attr_press_to_select_tpkbd = 984 __ATTR(press_to_select, S_IWUSR | S_IRUGO, 985 attr_press_to_select_show_tpkbd, 986 attr_press_to_select_store_tpkbd); 987 988 static struct device_attribute dev_attr_dragging_tpkbd = 989 __ATTR(dragging, S_IWUSR | S_IRUGO, 990 attr_dragging_show_tpkbd, 991 attr_dragging_store_tpkbd); 992 993 static struct device_attribute dev_attr_release_to_select_tpkbd = 994 __ATTR(release_to_select, S_IWUSR | S_IRUGO, 995 attr_release_to_select_show_tpkbd, 996 attr_release_to_select_store_tpkbd); 997 998 static struct device_attribute dev_attr_select_right_tpkbd = 999 __ATTR(select_right, S_IWUSR | S_IRUGO, 1000 attr_select_right_show_tpkbd, 1001 attr_select_right_store_tpkbd); 1002 1003 static struct device_attribute dev_attr_sensitivity_tpkbd = 1004 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 1005 attr_sensitivity_show_tpkbd, 1006 attr_sensitivity_store_tpkbd); 1007 1008 static struct device_attribute dev_attr_press_speed_tpkbd = 1009 __ATTR(press_speed, S_IWUSR | S_IRUGO, 1010 attr_press_speed_show_tpkbd, 1011 attr_press_speed_store_tpkbd); 1012 1013 static struct attribute *lenovo_attributes_tpkbd[] = { 1014 &dev_attr_press_to_select_tpkbd.attr, 1015 &dev_attr_dragging_tpkbd.attr, 1016 &dev_attr_release_to_select_tpkbd.attr, 1017 &dev_attr_select_right_tpkbd.attr, 1018 &dev_attr_sensitivity_tpkbd.attr, 1019 &dev_attr_press_speed_tpkbd.attr, 1020 NULL 1021 }; 1022 1023 static const struct attribute_group lenovo_attr_group_tpkbd = { 1024 .attrs = lenovo_attributes_tpkbd, 1025 }; 1026 1027 static void lenovo_led_set_tpkbd(struct hid_device *hdev) 1028 { 1029 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1030 struct hid_report *report; 1031 1032 report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; 1033 report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; 1034 report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; 1035 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 1036 } 1037 1038 static int lenovo_led_brightness_set(struct led_classdev *led_cdev, 1039 enum led_brightness value) 1040 { 1041 struct device *dev = led_cdev->dev->parent; 1042 struct hid_device *hdev = to_hid_device(dev); 1043 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1044 static const u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED }; 1045 int led_nr = 0; 1046 int ret = 0; 1047 1048 if (led_cdev == &data_pointer->led_micmute) 1049 led_nr = 1; 1050 1051 if (value == LED_OFF) 1052 data_pointer->led_state &= ~(1 << led_nr); 1053 else 1054 data_pointer->led_state |= 1 << led_nr; 1055 1056 switch (hdev->product) { 1057 case USB_DEVICE_ID_LENOVO_TPKBD: 1058 lenovo_led_set_tpkbd(hdev); 1059 break; 1060 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1061 case USB_DEVICE_ID_LENOVO_X1_TAB: 1062 ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value); 1063 break; 1064 } 1065 1066 return ret; 1067 } 1068 1069 static int lenovo_register_leds(struct hid_device *hdev) 1070 { 1071 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1072 size_t name_sz = strlen(dev_name(&hdev->dev)) + 16; 1073 char *name_mute, *name_micm; 1074 int ret; 1075 1076 name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1077 name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1078 if (name_mute == NULL || name_micm == NULL) { 1079 hid_err(hdev, "Could not allocate memory for led data\n"); 1080 return -ENOMEM; 1081 } 1082 snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev)); 1083 snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev)); 1084 1085 data->led_mute.name = name_mute; 1086 data->led_mute.default_trigger = "audio-mute"; 1087 data->led_mute.brightness_set_blocking = lenovo_led_brightness_set; 1088 data->led_mute.max_brightness = 1; 1089 data->led_mute.flags = LED_HW_PLUGGABLE; 1090 data->led_mute.dev = &hdev->dev; 1091 ret = led_classdev_register(&hdev->dev, &data->led_mute); 1092 if (ret < 0) 1093 return ret; 1094 1095 data->led_micmute.name = name_micm; 1096 data->led_micmute.default_trigger = "audio-micmute"; 1097 data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set; 1098 data->led_micmute.max_brightness = 1; 1099 data->led_micmute.flags = LED_HW_PLUGGABLE; 1100 data->led_micmute.dev = &hdev->dev; 1101 ret = led_classdev_register(&hdev->dev, &data->led_micmute); 1102 if (ret < 0) { 1103 led_classdev_unregister(&data->led_mute); 1104 return ret; 1105 } 1106 1107 return 0; 1108 } 1109 1110 static int lenovo_probe_tpkbd(struct hid_device *hdev) 1111 { 1112 struct lenovo_drvdata *data_pointer; 1113 int i, ret; 1114 1115 /* 1116 * Only register extra settings against subdevice where input_mapping 1117 * set drvdata to 1, i.e. the trackpoint. 1118 */ 1119 if (!hid_get_drvdata(hdev)) 1120 return 0; 1121 1122 hid_set_drvdata(hdev, NULL); 1123 1124 /* Validate required reports. */ 1125 for (i = 0; i < 4; i++) { 1126 if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1)) 1127 return -ENODEV; 1128 } 1129 if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2)) 1130 return -ENODEV; 1131 1132 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1133 if (ret) 1134 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1135 1136 data_pointer = devm_kzalloc(&hdev->dev, 1137 sizeof(struct lenovo_drvdata), 1138 GFP_KERNEL); 1139 if (data_pointer == NULL) { 1140 hid_err(hdev, "Could not allocate memory for driver data\n"); 1141 ret = -ENOMEM; 1142 goto err; 1143 } 1144 1145 // set same default values as windows driver 1146 data_pointer->sensitivity = 0xa0; 1147 data_pointer->press_speed = 0x38; 1148 1149 hid_set_drvdata(hdev, data_pointer); 1150 1151 ret = lenovo_register_leds(hdev); 1152 if (ret) 1153 goto err; 1154 1155 lenovo_features_set_tpkbd(hdev); 1156 1157 return 0; 1158 err: 1159 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1160 return ret; 1161 } 1162 1163 static int lenovo_probe_cptkbd(struct hid_device *hdev) 1164 { 1165 int ret; 1166 struct lenovo_drvdata *cptkbd_data; 1167 1168 /* All the custom action happens on the USBMOUSE device for USB */ 1169 if (((hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD) || 1170 (hdev->product == USB_DEVICE_ID_LENOVO_TPIIUSBKBD)) && 1171 hdev->type != HID_TYPE_USBMOUSE) { 1172 hid_dbg(hdev, "Ignoring keyboard half of device\n"); 1173 return 0; 1174 } 1175 1176 cptkbd_data = devm_kzalloc(&hdev->dev, 1177 sizeof(*cptkbd_data), 1178 GFP_KERNEL); 1179 if (cptkbd_data == NULL) { 1180 hid_err(hdev, "can't alloc keyboard descriptor\n"); 1181 return -ENOMEM; 1182 } 1183 hid_set_drvdata(hdev, cptkbd_data); 1184 1185 /* Set keyboard settings to known state */ 1186 cptkbd_data->middlebutton_state = 0; 1187 cptkbd_data->fn_lock = true; 1188 cptkbd_data->sensitivity = 0x05; 1189 cptkbd_data->middleclick_workaround_cptkbd = true; 1190 lenovo_features_set_cptkbd(hdev); 1191 1192 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd); 1193 if (ret) 1194 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1195 1196 return 0; 1197 } 1198 1199 static struct attribute *lenovo_attributes_tp10ubkbd[] = { 1200 &dev_attr_fn_lock.attr, 1201 NULL 1202 }; 1203 1204 static const struct attribute_group lenovo_attr_group_tp10ubkbd = { 1205 .attrs = lenovo_attributes_tp10ubkbd, 1206 }; 1207 1208 static int lenovo_probe_tp10ubkbd(struct hid_device *hdev) 1209 { 1210 struct hid_report_enum *rep_enum; 1211 struct lenovo_drvdata *data; 1212 struct hid_report *rep; 1213 bool found; 1214 int ret; 1215 1216 /* 1217 * The LEDs and the Fn-lock functionality use output report 9, 1218 * with an application of 0xffa0001, add the LEDs on the interface 1219 * with this output report. 1220 */ 1221 found = false; 1222 rep_enum = &hdev->report_enum[HID_OUTPUT_REPORT]; 1223 list_for_each_entry(rep, &rep_enum->report_list, list) { 1224 if (rep->application == 0xffa00001) 1225 found = true; 1226 } 1227 if (!found) 1228 return 0; 1229 1230 data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL); 1231 if (!data) 1232 return -ENOMEM; 1233 1234 mutex_init(&data->led_report_mutex); 1235 INIT_WORK(&data->fn_lock_sync_work, lenovo_tp10ubkbd_sync_fn_lock); 1236 data->hdev = hdev; 1237 1238 hid_set_drvdata(hdev, data); 1239 1240 /* 1241 * The Thinkpad 10 ultrabook USB kbd dock's Fn-lock defaults to on. 1242 * We cannot read the state, only set it, so we force it to on here 1243 * (which should be a no-op) to make sure that our state matches the 1244 * keyboard's FN-lock state. This is the same as what Windows does. 1245 */ 1246 data->fn_lock = true; 1247 lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock); 1248 1249 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1250 if (ret) 1251 return ret; 1252 1253 ret = lenovo_register_leds(hdev); 1254 if (ret) 1255 goto err; 1256 1257 return 0; 1258 err: 1259 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1260 return ret; 1261 } 1262 1263 static int lenovo_probe(struct hid_device *hdev, 1264 const struct hid_device_id *id) 1265 { 1266 int ret; 1267 1268 ret = hid_parse(hdev); 1269 if (ret) { 1270 hid_err(hdev, "hid_parse failed\n"); 1271 goto err; 1272 } 1273 1274 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1275 if (ret) { 1276 hid_err(hdev, "hid_hw_start failed\n"); 1277 goto err; 1278 } 1279 1280 switch (hdev->product) { 1281 case USB_DEVICE_ID_LENOVO_TPKBD: 1282 ret = lenovo_probe_tpkbd(hdev); 1283 break; 1284 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1285 case USB_DEVICE_ID_LENOVO_CBTKBD: 1286 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1287 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1288 ret = lenovo_probe_cptkbd(hdev); 1289 break; 1290 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1291 case USB_DEVICE_ID_LENOVO_X1_TAB: 1292 ret = lenovo_probe_tp10ubkbd(hdev); 1293 break; 1294 default: 1295 ret = 0; 1296 break; 1297 } 1298 if (ret) 1299 goto err_hid; 1300 1301 return 0; 1302 err_hid: 1303 hid_hw_stop(hdev); 1304 err: 1305 return ret; 1306 } 1307 1308 #ifdef CONFIG_PM 1309 static int lenovo_reset_resume(struct hid_device *hdev) 1310 { 1311 switch (hdev->product) { 1312 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1313 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1314 if (hdev->type == HID_TYPE_USBMOUSE) 1315 lenovo_features_set_cptkbd(hdev); 1316 1317 break; 1318 default: 1319 break; 1320 } 1321 1322 return 0; 1323 } 1324 #endif 1325 1326 static void lenovo_remove_tpkbd(struct hid_device *hdev) 1327 { 1328 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1329 1330 /* 1331 * Only the trackpoint half of the keyboard has drvdata and stuff that 1332 * needs unregistering. 1333 */ 1334 if (data_pointer == NULL) 1335 return; 1336 1337 sysfs_remove_group(&hdev->dev.kobj, 1338 &lenovo_attr_group_tpkbd); 1339 1340 led_classdev_unregister(&data_pointer->led_micmute); 1341 led_classdev_unregister(&data_pointer->led_mute); 1342 } 1343 1344 static void lenovo_remove_cptkbd(struct hid_device *hdev) 1345 { 1346 sysfs_remove_group(&hdev->dev.kobj, 1347 &lenovo_attr_group_cptkbd); 1348 } 1349 1350 static void lenovo_remove_tp10ubkbd(struct hid_device *hdev) 1351 { 1352 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1353 1354 if (data == NULL) 1355 return; 1356 1357 led_classdev_unregister(&data->led_micmute); 1358 led_classdev_unregister(&data->led_mute); 1359 1360 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1361 cancel_work_sync(&data->fn_lock_sync_work); 1362 } 1363 1364 static void lenovo_remove(struct hid_device *hdev) 1365 { 1366 switch (hdev->product) { 1367 case USB_DEVICE_ID_LENOVO_TPKBD: 1368 lenovo_remove_tpkbd(hdev); 1369 break; 1370 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1371 case USB_DEVICE_ID_LENOVO_CBTKBD: 1372 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1373 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1374 lenovo_remove_cptkbd(hdev); 1375 break; 1376 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1377 case USB_DEVICE_ID_LENOVO_X1_TAB: 1378 lenovo_remove_tp10ubkbd(hdev); 1379 break; 1380 } 1381 1382 hid_hw_stop(hdev); 1383 } 1384 1385 static int lenovo_input_configured(struct hid_device *hdev, 1386 struct hid_input *hi) 1387 { 1388 switch (hdev->product) { 1389 case USB_DEVICE_ID_LENOVO_TPKBD: 1390 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1391 case USB_DEVICE_ID_LENOVO_CBTKBD: 1392 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1393 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1394 if (test_bit(EV_REL, hi->input->evbit)) { 1395 /* set only for trackpoint device */ 1396 __set_bit(INPUT_PROP_POINTER, hi->input->propbit); 1397 __set_bit(INPUT_PROP_POINTING_STICK, 1398 hi->input->propbit); 1399 } 1400 break; 1401 } 1402 1403 return 0; 1404 } 1405 1406 1407 static const struct hid_device_id lenovo_devices[] = { 1408 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, 1409 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) }, 1410 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIUSBKBD) }, 1411 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) }, 1412 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIBTKBD) }, 1413 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) }, 1414 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) }, 1415 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) }, 1416 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) }, 1417 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) }, 1418 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) }, 1419 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) }, 1420 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) }, 1421 /* 1422 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard 1423 * part, while letting hid-multitouch.c handle the touchpad and trackpoint. 1424 */ 1425 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1426 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) }, 1427 { } 1428 }; 1429 1430 MODULE_DEVICE_TABLE(hid, lenovo_devices); 1431 1432 static struct hid_driver lenovo_driver = { 1433 .name = "lenovo", 1434 .id_table = lenovo_devices, 1435 .input_configured = lenovo_input_configured, 1436 .input_mapping = lenovo_input_mapping, 1437 .probe = lenovo_probe, 1438 .remove = lenovo_remove, 1439 .raw_event = lenovo_raw_event, 1440 .event = lenovo_event, 1441 .report_fixup = lenovo_report_fixup, 1442 #ifdef CONFIG_PM 1443 .reset_resume = lenovo_reset_resume, 1444 #endif 1445 }; 1446 module_hid_driver(lenovo_driver); 1447 1448 MODULE_LICENSE("GPL"); 1449