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