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 /* HID raw events for ThinkPad X12 Tabs*/ 41 #define TP_X12_RAW_HOTKEY_FN_F4 0x00020003 42 #define TP_X12_RAW_HOTKEY_FN_F8 0x38001003 43 #define TP_X12_RAW_HOTKEY_FN_F10 0x00000803 44 #define TP_X12_RAW_HOTKEY_FN_F12 0x00000403 45 #define TP_X12_RAW_HOTKEY_FN_SPACE 0x18001003 46 47 struct lenovo_drvdata { 48 u8 led_report[3]; /* Must be first for proper alignment */ 49 int led_state; 50 struct mutex led_report_mutex; 51 struct led_classdev led_mute; 52 struct led_classdev led_micmute; 53 struct work_struct fn_lock_sync_work; 54 struct hid_device *hdev; 55 int press_to_select; 56 int dragging; 57 int release_to_select; 58 int select_right; 59 int sensitivity; 60 int press_speed; 61 /* 0: Up 62 * 1: Down (undecided) 63 * 2: Scrolling 64 */ 65 u8 middlebutton_state; 66 bool fn_lock; 67 bool middleclick_workaround_cptkbd; 68 }; 69 70 #define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c)) 71 72 #define TP10UBKBD_LED_OUTPUT_REPORT 9 73 74 #define TP10UBKBD_FN_LOCK_LED 0x54 75 #define TP10UBKBD_MUTE_LED 0x64 76 #define TP10UBKBD_MICMUTE_LED 0x74 77 78 #define TP10UBKBD_LED_OFF 1 79 #define TP10UBKBD_LED_ON 2 80 81 /* Function to report raw_events as key events*/ 82 static inline void report_key_event(struct input_dev *input, int keycode) 83 { 84 input_report_key(input, keycode, 1); 85 input_report_key(input, keycode, 0); 86 input_sync(input); 87 } 88 89 static int lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code, 90 enum led_brightness value) 91 { 92 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 93 int ret; 94 95 mutex_lock(&data->led_report_mutex); 96 97 data->led_report[0] = TP10UBKBD_LED_OUTPUT_REPORT; 98 data->led_report[1] = led_code; 99 data->led_report[2] = value ? TP10UBKBD_LED_ON : TP10UBKBD_LED_OFF; 100 ret = hid_hw_raw_request(hdev, data->led_report[0], data->led_report, 3, 101 HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); 102 if (ret != 3) { 103 if (ret != -ENODEV) 104 hid_err(hdev, "Set LED output report error: %d\n", ret); 105 106 ret = ret < 0 ? ret : -EIO; 107 } else { 108 ret = 0; 109 } 110 111 mutex_unlock(&data->led_report_mutex); 112 113 return ret; 114 } 115 116 static void lenovo_tp10ubkbd_sync_fn_lock(struct work_struct *work) 117 { 118 struct lenovo_drvdata *data = 119 container_of(work, struct lenovo_drvdata, fn_lock_sync_work); 120 121 lenovo_led_set_tp10ubkbd(data->hdev, TP10UBKBD_FN_LOCK_LED, 122 data->fn_lock); 123 } 124 125 static const __u8 lenovo_pro_dock_need_fixup_collection[] = { 126 0x05, 0x88, /* Usage Page (Vendor Usage Page 0x88) */ 127 0x09, 0x01, /* Usage (Vendor Usage 0x01) */ 128 0xa1, 0x01, /* Collection (Application) */ 129 0x85, 0x04, /* Report ID (4) */ 130 0x19, 0x00, /* Usage Minimum (0) */ 131 0x2a, 0xff, 0xff, /* Usage Maximum (65535) */ 132 }; 133 134 /* Broken ThinkPad TrackPoint II collection (Bluetooth mode) */ 135 static const __u8 lenovo_tpIIbtkbd_need_fixup_collection[] = { 136 0x06, 0x00, 0xFF, /* Usage Page (Vendor Defined 0xFF00) */ 137 0x09, 0x01, /* Usage (0x01) */ 138 0xA1, 0x01, /* Collection (Application) */ 139 0x85, 0x05, /* Report ID (5) */ 140 0x1A, 0xF1, 0x00, /* Usage Minimum (0xF1) */ 141 0x2A, 0xFC, 0x00, /* Usage Maximum (0xFC) */ 142 0x15, 0x00, /* Logical Minimum (0) */ 143 0x25, 0x01, /* Logical Maximum (1) */ 144 0x75, 0x01, /* Report Size (1) */ 145 0x95, 0x0D, /* Report Count (13) */ 146 0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */ 147 0x95, 0x03, /* Report Count (3) */ 148 0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */ 149 }; 150 151 static const __u8 lenovo_yoga7x_kbd_need_fixup_collection[] = { 152 0x15, 0x00, // Logical Minimum (0) 153 0x25, 0x65, // Logical Maximum (101) 154 0x05, 0x07, // Usage Page (Keyboard) 155 0x19, 0x00, // Usage Minimum (0) 156 0x29, 0xDD, // Usage Maximum (221) 157 }; 158 159 static const __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc, 160 unsigned int *rsize) 161 { 162 switch (hdev->product) { 163 case USB_DEVICE_ID_LENOVO_TPPRODOCK: 164 /* the fixups that need to be done: 165 * - get a reasonable usage max for the vendor collection 166 * 0x8801 from the report ID 4 167 */ 168 if (*rsize >= 153 && 169 memcmp(&rdesc[140], lenovo_pro_dock_need_fixup_collection, 170 sizeof(lenovo_pro_dock_need_fixup_collection)) == 0) { 171 rdesc[151] = 0x01; 172 rdesc[152] = 0x00; 173 } 174 break; 175 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 176 if (*rsize >= 263 && 177 memcmp(&rdesc[234], lenovo_tpIIbtkbd_need_fixup_collection, 178 sizeof(lenovo_tpIIbtkbd_need_fixup_collection)) == 0) { 179 rdesc[244] = 0x00; /* usage minimum = 0x00 */ 180 rdesc[247] = 0xff; /* usage maximum = 0xff */ 181 rdesc[252] = 0xff; /* logical maximum = 0xff */ 182 rdesc[254] = 0x08; /* report size = 0x08 */ 183 rdesc[256] = 0x01; /* report count = 0x01 */ 184 rdesc[258] = 0x00; /* input = 0x00 */ 185 rdesc[260] = 0x01; /* report count (2) = 0x01 */ 186 } 187 break; 188 case I2C_DEVICE_ID_ITE_LENOVO_YOGA_SLIM_7X_KEYBOARD: 189 if (*rsize == 176 && 190 memcmp(&rdesc[52], lenovo_yoga7x_kbd_need_fixup_collection, 191 sizeof(lenovo_yoga7x_kbd_need_fixup_collection)) == 0) { 192 rdesc[55] = rdesc[61]; // logical maximum = usage maximum 193 } 194 break; 195 } 196 return rdesc; 197 } 198 199 static int lenovo_input_mapping_tpkbd(struct hid_device *hdev, 200 struct hid_input *hi, struct hid_field *field, 201 struct hid_usage *usage, unsigned long **bit, int *max) 202 { 203 if (usage->hid == (HID_UP_BUTTON | 0x0010)) { 204 /* This sub-device contains trackpoint, mark it */ 205 hid_set_drvdata(hdev, (void *)1); 206 map_key_clear(LENOVO_KEY_MICMUTE); 207 return 1; 208 } 209 return 0; 210 } 211 212 static int lenovo_input_mapping_cptkbd(struct hid_device *hdev, 213 struct hid_input *hi, struct hid_field *field, 214 struct hid_usage *usage, unsigned long **bit, int *max) 215 { 216 /* HID_UP_LNVENDOR = USB, HID_UP_MSVENDOR = BT */ 217 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR || 218 (usage->hid & HID_USAGE_PAGE) == HID_UP_LNVENDOR) { 219 switch (usage->hid & HID_USAGE) { 220 case 0x00f1: /* Fn-F4: Mic mute */ 221 map_key_clear(LENOVO_KEY_MICMUTE); 222 return 1; 223 case 0x00f2: /* Fn-F5: Brightness down */ 224 map_key_clear(KEY_BRIGHTNESSDOWN); 225 return 1; 226 case 0x00f3: /* Fn-F6: Brightness up */ 227 map_key_clear(KEY_BRIGHTNESSUP); 228 return 1; 229 case 0x00f4: /* Fn-F7: External display (projector) */ 230 map_key_clear(KEY_SWITCHVIDEOMODE); 231 return 1; 232 case 0x00f5: /* Fn-F8: Wireless */ 233 map_key_clear(KEY_WLAN); 234 return 1; 235 case 0x00f6: /* Fn-F9: Control panel */ 236 map_key_clear(KEY_CONFIG); 237 return 1; 238 case 0x00f8: /* Fn-F11: View open applications (3 boxes) */ 239 map_key_clear(KEY_SCALE); 240 return 1; 241 case 0x00f9: /* Fn-F12: Open My computer (6 boxes) USB-only */ 242 /* NB: This mapping is invented in raw_event below */ 243 map_key_clear(KEY_FILE); 244 return 1; 245 case 0x00fa: /* Fn-Esc: Fn-lock toggle */ 246 map_key_clear(KEY_FN_ESC); 247 return 1; 248 case 0x00fb: /* Middle mouse button (in native mode) */ 249 map_key_clear(BTN_MIDDLE); 250 return 1; 251 } 252 } 253 254 /* Compatibility middle/wheel mappings should be ignored */ 255 if (usage->hid == HID_GD_WHEEL) 256 return -1; 257 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON && 258 (usage->hid & HID_USAGE) == 0x003) 259 return -1; 260 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER && 261 (usage->hid & HID_USAGE) == 0x238) 262 return -1; 263 264 /* Map wheel emulation reports: 0xffa1 = USB, 0xff10 = BT */ 265 if ((usage->hid & HID_USAGE_PAGE) == 0xff100000 || 266 (usage->hid & HID_USAGE_PAGE) == 0xffa10000) { 267 field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE; 268 field->logical_minimum = -127; 269 field->logical_maximum = 127; 270 271 switch (usage->hid & HID_USAGE) { 272 case 0x0000: 273 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); 274 return 1; 275 case 0x0001: 276 hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL); 277 return 1; 278 default: 279 return -1; 280 } 281 } 282 283 return 0; 284 } 285 286 static int lenovo_input_mapping_tpIIkbd(struct hid_device *hdev, 287 struct hid_input *hi, struct hid_field *field, 288 struct hid_usage *usage, unsigned long **bit, int *max) 289 { 290 /* 291 * 0xff0a0000 = USB, HID_UP_MSVENDOR = BT. 292 * 293 * In BT mode, there are two HID_UP_MSVENDOR pages. 294 * Use only the page that contains report ID == 5. 295 */ 296 if (((usage->hid & HID_USAGE_PAGE) == 0xff0a0000 || 297 (usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) && 298 field->report->id == 5) { 299 switch (usage->hid & HID_USAGE) { 300 case 0x00bb: /* Fn-F4: Mic mute */ 301 map_key_clear(LENOVO_KEY_MICMUTE); 302 return 1; 303 case 0x00c3: /* Fn-F5: Brightness down */ 304 map_key_clear(KEY_BRIGHTNESSDOWN); 305 return 1; 306 case 0x00c4: /* Fn-F6: Brightness up */ 307 map_key_clear(KEY_BRIGHTNESSUP); 308 return 1; 309 case 0x00c1: /* Fn-F8: Notification center */ 310 map_key_clear(KEY_NOTIFICATION_CENTER); 311 return 1; 312 case 0x00bc: /* Fn-F9: Control panel */ 313 map_key_clear(KEY_CONFIG); 314 return 1; 315 case 0x00b6: /* Fn-F10: Bluetooth */ 316 map_key_clear(KEY_BLUETOOTH); 317 return 1; 318 case 0x00b7: /* Fn-F11: Keyboard config */ 319 map_key_clear(KEY_KEYBOARD); 320 return 1; 321 case 0x00b8: /* Fn-F12: User function */ 322 map_key_clear(KEY_PROG1); 323 return 1; 324 case 0x00b9: /* Fn-PrtSc: Snipping tool */ 325 map_key_clear(KEY_SELECTIVE_SCREENSHOT); 326 return 1; 327 case 0x00b5: /* Fn-Esc: Fn-lock toggle */ 328 map_key_clear(KEY_FN_ESC); 329 return 1; 330 } 331 } 332 333 if ((usage->hid & HID_USAGE_PAGE) == 0xffa00000) { 334 switch (usage->hid & HID_USAGE) { 335 case 0x00fb: /* Middle mouse (in native USB mode) */ 336 map_key_clear(BTN_MIDDLE); 337 return 1; 338 } 339 } 340 341 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR && 342 field->report->id == 21) { 343 switch (usage->hid & HID_USAGE) { 344 case 0x0004: /* Middle mouse (in native Bluetooth mode) */ 345 map_key_clear(BTN_MIDDLE); 346 return 1; 347 } 348 } 349 350 /* Compatibility middle/wheel mappings should be ignored */ 351 if (usage->hid == HID_GD_WHEEL) 352 return -1; 353 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON && 354 (usage->hid & HID_USAGE) == 0x003) 355 return -1; 356 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER && 357 (usage->hid & HID_USAGE) == 0x238) 358 return -1; 359 360 /* Map wheel emulation reports: 0xff10 */ 361 if ((usage->hid & HID_USAGE_PAGE) == 0xff100000) { 362 field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE; 363 field->logical_minimum = -127; 364 field->logical_maximum = 127; 365 366 switch (usage->hid & HID_USAGE) { 367 case 0x0000: 368 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); 369 return 1; 370 case 0x0001: 371 hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL); 372 return 1; 373 default: 374 return -1; 375 } 376 } 377 378 return 0; 379 } 380 381 static int lenovo_input_mapping_scrollpoint(struct hid_device *hdev, 382 struct hid_input *hi, struct hid_field *field, 383 struct hid_usage *usage, unsigned long **bit, int *max) 384 { 385 if (usage->hid == HID_GD_Z) { 386 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); 387 return 1; 388 } 389 return 0; 390 } 391 392 static int lenovo_input_mapping_tp10_ultrabook_kbd(struct hid_device *hdev, 393 struct hid_input *hi, struct hid_field *field, 394 struct hid_usage *usage, unsigned long **bit, int *max) 395 { 396 /* 397 * The ThinkPad 10 Ultrabook Keyboard uses 0x000c0001 usage for 398 * a bunch of keys which have no standard consumer page code. 399 */ 400 if (usage->hid == 0x000c0001) { 401 switch (usage->usage_index) { 402 case 8: /* Fn-Esc: Fn-lock toggle */ 403 map_key_clear(KEY_FN_ESC); 404 return 1; 405 case 9: /* Fn-F4: Mic mute */ 406 map_key_clear(LENOVO_KEY_MICMUTE); 407 return 1; 408 case 10: /* Fn-F7: Control panel */ 409 map_key_clear(KEY_CONFIG); 410 return 1; 411 case 11: /* Fn-F8: Search (magnifier glass) */ 412 map_key_clear(KEY_SEARCH); 413 return 1; 414 case 12: /* Fn-F10: Open My computer (6 boxes) */ 415 map_key_clear(KEY_FILE); 416 return 1; 417 } 418 } 419 420 /* 421 * The Ultrabook Keyboard sends a spurious F23 key-press when resuming 422 * from suspend and it does not actually have a F23 key, ignore it. 423 */ 424 if (usage->hid == 0x00070072) 425 return -1; 426 427 return 0; 428 } 429 430 static int lenovo_input_mapping_x1_tab_kbd(struct hid_device *hdev, 431 struct hid_input *hi, struct hid_field *field, 432 struct hid_usage *usage, unsigned long **bit, int *max) 433 { 434 /* 435 * The ThinkPad X1 Tablet Thin Keyboard uses 0x000c0001 usage for 436 * a bunch of keys which have no standard consumer page code. 437 */ 438 if (usage->hid == 0x000c0001) { 439 switch (usage->usage_index) { 440 case 0: /* Fn-F10: Enable/disable bluetooth */ 441 map_key_clear(KEY_BLUETOOTH); 442 return 1; 443 case 1: /* Fn-F11: Keyboard settings */ 444 map_key_clear(KEY_KEYBOARD); 445 return 1; 446 case 2: /* Fn-F12: User function / Cortana */ 447 map_key_clear(KEY_MACRO1); 448 return 1; 449 case 3: /* Fn-PrtSc: Snipping tool */ 450 map_key_clear(KEY_SELECTIVE_SCREENSHOT); 451 return 1; 452 case 8: /* Fn-Esc: Fn-lock toggle */ 453 map_key_clear(KEY_FN_ESC); 454 return 1; 455 case 9: /* Fn-F4: Mute/unmute microphone */ 456 map_key_clear(KEY_MICMUTE); 457 return 1; 458 case 10: /* Fn-F9: Settings */ 459 map_key_clear(KEY_CONFIG); 460 return 1; 461 case 13: /* Fn-F7: Manage external displays */ 462 map_key_clear(KEY_SWITCHVIDEOMODE); 463 return 1; 464 case 14: /* Fn-F8: Enable/disable wifi */ 465 map_key_clear(KEY_WLAN); 466 return 1; 467 } 468 } 469 470 if (usage->hid == (HID_UP_KEYBOARD | 0x009a)) { 471 map_key_clear(KEY_SYSRQ); 472 return 1; 473 } 474 475 return 0; 476 } 477 478 static int lenovo_input_mapping(struct hid_device *hdev, 479 struct hid_input *hi, struct hid_field *field, 480 struct hid_usage *usage, unsigned long **bit, int *max) 481 { 482 switch (hdev->product) { 483 case USB_DEVICE_ID_LENOVO_TPKBD: 484 return lenovo_input_mapping_tpkbd(hdev, hi, field, 485 usage, bit, max); 486 case USB_DEVICE_ID_LENOVO_CUSBKBD: 487 case USB_DEVICE_ID_LENOVO_CBTKBD: 488 return lenovo_input_mapping_cptkbd(hdev, hi, field, 489 usage, bit, max); 490 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 491 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 492 return lenovo_input_mapping_tpIIkbd(hdev, hi, field, 493 usage, bit, max); 494 case USB_DEVICE_ID_IBM_SCROLLPOINT_III: 495 case USB_DEVICE_ID_IBM_SCROLLPOINT_PRO: 496 case USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL: 497 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL: 498 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO: 499 case USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL: 500 return lenovo_input_mapping_scrollpoint(hdev, hi, field, 501 usage, bit, max); 502 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 503 return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field, 504 usage, bit, max); 505 case USB_DEVICE_ID_LENOVO_X12_TAB: 506 case USB_DEVICE_ID_LENOVO_X12_TAB2: 507 case USB_DEVICE_ID_LENOVO_X1_TAB: 508 case USB_DEVICE_ID_LENOVO_X1_TAB2: 509 case USB_DEVICE_ID_LENOVO_X1_TAB3: 510 return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max); 511 default: 512 return 0; 513 } 514 } 515 516 #undef map_key_clear 517 518 /* Send a config command to the keyboard */ 519 static int lenovo_send_cmd_cptkbd(struct hid_device *hdev, 520 unsigned char byte2, unsigned char byte3) 521 { 522 int ret; 523 unsigned char *buf; 524 525 buf = kzalloc(3, GFP_KERNEL); 526 if (!buf) 527 return -ENOMEM; 528 529 /* 530 * Feature report 0x13 is used for USB, 531 * output report 0x18 is used for Bluetooth. 532 * buf[0] is ignored by hid_hw_raw_request. 533 */ 534 buf[0] = 0x18; 535 buf[1] = byte2; 536 buf[2] = byte3; 537 538 switch (hdev->product) { 539 case USB_DEVICE_ID_LENOVO_CUSBKBD: 540 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 541 ret = hid_hw_raw_request(hdev, 0x13, buf, 3, 542 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 543 break; 544 case USB_DEVICE_ID_LENOVO_CBTKBD: 545 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 546 ret = hid_hw_output_report(hdev, buf, 3); 547 break; 548 default: 549 ret = -EINVAL; 550 break; 551 } 552 553 kfree(buf); 554 555 return ret < 0 ? ret : 0; /* BT returns 0, USB returns sizeof(buf) */ 556 } 557 558 static void lenovo_features_set_cptkbd(struct hid_device *hdev) 559 { 560 int ret; 561 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 562 563 /* 564 * Tell the keyboard a driver understands it, and turn F7, F9, F11 into 565 * regular keys (Compact only) 566 */ 567 if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD || 568 hdev->product == USB_DEVICE_ID_LENOVO_CBTKBD) { 569 ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03); 570 if (ret) 571 hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret); 572 } 573 574 /* Switch middle button to native mode */ 575 ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01); 576 if (ret) 577 hid_warn(hdev, "Failed to switch middle button: %d\n", ret); 578 579 ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock); 580 if (ret) 581 hid_err(hdev, "Fn-lock setting failed: %d\n", ret); 582 583 ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity); 584 if (ret) 585 hid_err(hdev, "Sensitivity setting failed: %d\n", ret); 586 } 587 588 static ssize_t attr_fn_lock_show(struct device *dev, 589 struct device_attribute *attr, 590 char *buf) 591 { 592 struct hid_device *hdev = to_hid_device(dev); 593 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 594 595 return sysfs_emit(buf, "%u\n", data->fn_lock); 596 } 597 598 static ssize_t attr_fn_lock_store(struct device *dev, 599 struct device_attribute *attr, 600 const char *buf, 601 size_t count) 602 { 603 struct hid_device *hdev = to_hid_device(dev); 604 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 605 int value, ret; 606 607 if (kstrtoint(buf, 10, &value)) 608 return -EINVAL; 609 if (value < 0 || value > 1) 610 return -EINVAL; 611 612 data->fn_lock = !!value; 613 614 switch (hdev->product) { 615 case USB_DEVICE_ID_LENOVO_CUSBKBD: 616 case USB_DEVICE_ID_LENOVO_CBTKBD: 617 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 618 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 619 lenovo_features_set_cptkbd(hdev); 620 break; 621 case USB_DEVICE_ID_LENOVO_X12_TAB: 622 case USB_DEVICE_ID_LENOVO_X12_TAB2: 623 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 624 case USB_DEVICE_ID_LENOVO_X1_TAB: 625 case USB_DEVICE_ID_LENOVO_X1_TAB2: 626 case USB_DEVICE_ID_LENOVO_X1_TAB3: 627 ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value); 628 if (ret) 629 return ret; 630 break; 631 } 632 633 return count; 634 } 635 636 static ssize_t attr_sensitivity_show_cptkbd(struct device *dev, 637 struct device_attribute *attr, 638 char *buf) 639 { 640 struct hid_device *hdev = to_hid_device(dev); 641 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 642 643 return sysfs_emit(buf, "%u\n", cptkbd_data->sensitivity); 644 } 645 646 static ssize_t attr_sensitivity_store_cptkbd(struct device *dev, 647 struct device_attribute *attr, 648 const char *buf, 649 size_t count) 650 { 651 struct hid_device *hdev = to_hid_device(dev); 652 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 653 int value; 654 655 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 656 return -EINVAL; 657 658 cptkbd_data->sensitivity = value; 659 lenovo_features_set_cptkbd(hdev); 660 661 return count; 662 } 663 664 static ssize_t attr_middleclick_workaround_show_cptkbd(struct device *dev, 665 struct device_attribute *attr, 666 char *buf) 667 { 668 struct hid_device *hdev = to_hid_device(dev); 669 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 670 671 return sysfs_emit(buf, "%u\n", 672 cptkbd_data->middleclick_workaround_cptkbd); 673 } 674 675 static ssize_t attr_middleclick_workaround_store_cptkbd(struct device *dev, 676 struct device_attribute *attr, 677 const char *buf, 678 size_t count) 679 { 680 struct hid_device *hdev = to_hid_device(dev); 681 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 682 int value; 683 684 if (kstrtoint(buf, 10, &value)) 685 return -EINVAL; 686 if (value < 0 || value > 1) 687 return -EINVAL; 688 689 cptkbd_data->middleclick_workaround_cptkbd = !!value; 690 691 return count; 692 } 693 694 695 static struct device_attribute dev_attr_fn_lock = 696 __ATTR(fn_lock, S_IWUSR | S_IRUGO, 697 attr_fn_lock_show, 698 attr_fn_lock_store); 699 700 static struct device_attribute dev_attr_sensitivity_cptkbd = 701 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 702 attr_sensitivity_show_cptkbd, 703 attr_sensitivity_store_cptkbd); 704 705 static struct device_attribute dev_attr_middleclick_workaround_cptkbd = 706 __ATTR(middleclick_workaround, S_IWUSR | S_IRUGO, 707 attr_middleclick_workaround_show_cptkbd, 708 attr_middleclick_workaround_store_cptkbd); 709 710 711 static struct attribute *lenovo_attributes_cptkbd[] = { 712 &dev_attr_fn_lock.attr, 713 &dev_attr_sensitivity_cptkbd.attr, 714 &dev_attr_middleclick_workaround_cptkbd.attr, 715 NULL 716 }; 717 718 static const struct attribute_group lenovo_attr_group_cptkbd = { 719 .attrs = lenovo_attributes_cptkbd, 720 }; 721 722 /* Function to handle Lenovo Thinkpad TAB X12's HID raw inputs for fn keys*/ 723 static int lenovo_raw_event_TP_X12_tab(struct hid_device *hdev, u32 raw_data) 724 { 725 struct hid_input *hidinput; 726 struct input_dev *input = NULL; 727 728 /* Iterate through all associated input devices */ 729 list_for_each_entry(hidinput, &hdev->inputs, list) { 730 input = hidinput->input; 731 if (!input) 732 continue; 733 734 switch (raw_data) { 735 /* fn-F20 being used here for MIC mute*/ 736 case TP_X12_RAW_HOTKEY_FN_F4: 737 report_key_event(input, LENOVO_KEY_MICMUTE); 738 return 1; 739 /* Power-mode or Airplane mode will be called based on the device*/ 740 case TP_X12_RAW_HOTKEY_FN_F8: 741 /* 742 * TP X12 TAB uses Fn-F8 calls Airplanemode 743 * Whereas TP X12 TAB2 uses Fn-F8 for toggling 744 * Power modes 745 */ 746 if (hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB) { 747 report_key_event(input, KEY_RFKILL); 748 return 1; 749 } 750 report_key_event(input, KEY_PERFORMANCE); 751 return 1; 752 case TP_X12_RAW_HOTKEY_FN_F10: 753 /* TAB1 has PICKUP Phone and TAB2 use Snipping tool*/ 754 (hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB) ? 755 report_key_event(input, KEY_PICKUP_PHONE) : 756 report_key_event(input, KEY_SELECTIVE_SCREENSHOT); 757 return 1; 758 case TP_X12_RAW_HOTKEY_FN_F12: 759 /* BookMarks/STAR key*/ 760 report_key_event(input, KEY_BOOKMARKS); 761 return 1; 762 case TP_X12_RAW_HOTKEY_FN_SPACE: 763 /* Keyboard LED backlight toggle*/ 764 report_key_event(input, KEY_KBDILLUMTOGGLE); 765 return 1; 766 default: 767 break; 768 } 769 } 770 return 0; 771 } 772 773 static int lenovo_raw_event(struct hid_device *hdev, 774 struct hid_report *report, u8 *data, int size) 775 { 776 /* 777 * Compact USB keyboard's Fn-F12 report holds down many other keys, and 778 * its own key is outside the usage page range. Remove extra 779 * keypresses and remap to inside usage page. 780 */ 781 if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD 782 && size == 3 783 && data[0] == 0x15 784 && data[1] == 0x94 785 && data[2] == 0x01)) { 786 data[1] = 0x00; 787 data[2] = 0x01; 788 } 789 790 /* 791 * Lenovo TP X12 Tab KBD's Fn+XX is HID raw data defined. Report ID is 0x03 792 * e.g.: Raw data received for MIC mute is 0x00020003. 793 */ 794 if (unlikely((hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB 795 || hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB2) 796 && size >= 3 && report->id == 0x03)) 797 return lenovo_raw_event_TP_X12_tab(hdev, le32_to_cpu(*(__le32 *)data)); 798 799 return 0; 800 } 801 802 static int lenovo_event_tp10ubkbd(struct hid_device *hdev, 803 struct hid_field *field, struct hid_usage *usage, __s32 value) 804 { 805 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 806 807 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 808 /* 809 * The user has toggled the Fn-lock state. Toggle our own 810 * cached value of it and sync our value to the keyboard to 811 * ensure things are in sync (the sycning should be a no-op). 812 */ 813 data->fn_lock = !data->fn_lock; 814 schedule_work(&data->fn_lock_sync_work); 815 } 816 817 return 0; 818 } 819 820 static int lenovo_event_cptkbd(struct hid_device *hdev, 821 struct hid_field *field, struct hid_usage *usage, __s32 value) 822 { 823 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 824 825 if (cptkbd_data->middleclick_workaround_cptkbd) { 826 /* "wheel" scroll events */ 827 if (usage->type == EV_REL && (usage->code == REL_WHEEL || 828 usage->code == REL_HWHEEL)) { 829 /* Scroll events disable middle-click event */ 830 cptkbd_data->middlebutton_state = 2; 831 return 0; 832 } 833 834 /* Middle click events */ 835 if (usage->type == EV_KEY && usage->code == BTN_MIDDLE) { 836 if (value == 1) { 837 cptkbd_data->middlebutton_state = 1; 838 } else if (value == 0) { 839 if (cptkbd_data->middlebutton_state == 1) { 840 /* No scrolling inbetween, send middle-click */ 841 input_event(field->hidinput->input, 842 EV_KEY, BTN_MIDDLE, 1); 843 input_sync(field->hidinput->input); 844 input_event(field->hidinput->input, 845 EV_KEY, BTN_MIDDLE, 0); 846 input_sync(field->hidinput->input); 847 } 848 cptkbd_data->middlebutton_state = 0; 849 } 850 return 1; 851 } 852 } 853 854 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 855 /* 856 * The user has toggled the Fn-lock state. Toggle our own 857 * cached value of it and sync our value to the keyboard to 858 * ensure things are in sync (the syncing should be a no-op). 859 */ 860 cptkbd_data->fn_lock = !cptkbd_data->fn_lock; 861 } 862 863 return 0; 864 } 865 866 static int lenovo_event(struct hid_device *hdev, struct hid_field *field, 867 struct hid_usage *usage, __s32 value) 868 { 869 if (!hid_get_drvdata(hdev)) 870 return 0; 871 872 switch (hdev->product) { 873 case USB_DEVICE_ID_LENOVO_CUSBKBD: 874 case USB_DEVICE_ID_LENOVO_CBTKBD: 875 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 876 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 877 return lenovo_event_cptkbd(hdev, field, usage, value); 878 case USB_DEVICE_ID_LENOVO_X12_TAB: 879 case USB_DEVICE_ID_LENOVO_X12_TAB2: 880 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 881 case USB_DEVICE_ID_LENOVO_X1_TAB: 882 case USB_DEVICE_ID_LENOVO_X1_TAB2: 883 case USB_DEVICE_ID_LENOVO_X1_TAB3: 884 return lenovo_event_tp10ubkbd(hdev, field, usage, value); 885 default: 886 return 0; 887 } 888 } 889 890 static int lenovo_features_set_tpkbd(struct hid_device *hdev) 891 { 892 struct hid_report *report; 893 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 894 895 report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4]; 896 897 report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02; 898 report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08; 899 report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20; 900 report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40; 901 report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver 902 report->field[2]->value[0] = data_pointer->sensitivity; 903 report->field[3]->value[0] = data_pointer->press_speed; 904 905 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 906 return 0; 907 } 908 909 static ssize_t attr_press_to_select_show_tpkbd(struct device *dev, 910 struct device_attribute *attr, 911 char *buf) 912 { 913 struct hid_device *hdev = to_hid_device(dev); 914 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 915 916 return sysfs_emit(buf, "%u\n", data_pointer->press_to_select); 917 } 918 919 static ssize_t attr_press_to_select_store_tpkbd(struct device *dev, 920 struct device_attribute *attr, 921 const char *buf, 922 size_t count) 923 { 924 struct hid_device *hdev = to_hid_device(dev); 925 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 926 int value; 927 928 if (kstrtoint(buf, 10, &value)) 929 return -EINVAL; 930 if (value < 0 || value > 1) 931 return -EINVAL; 932 933 data_pointer->press_to_select = value; 934 lenovo_features_set_tpkbd(hdev); 935 936 return count; 937 } 938 939 static ssize_t attr_dragging_show_tpkbd(struct device *dev, 940 struct device_attribute *attr, 941 char *buf) 942 { 943 struct hid_device *hdev = to_hid_device(dev); 944 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 945 946 return sysfs_emit(buf, "%u\n", data_pointer->dragging); 947 } 948 949 static ssize_t attr_dragging_store_tpkbd(struct device *dev, 950 struct device_attribute *attr, 951 const char *buf, 952 size_t count) 953 { 954 struct hid_device *hdev = to_hid_device(dev); 955 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 956 int value; 957 958 if (kstrtoint(buf, 10, &value)) 959 return -EINVAL; 960 if (value < 0 || value > 1) 961 return -EINVAL; 962 963 data_pointer->dragging = value; 964 lenovo_features_set_tpkbd(hdev); 965 966 return count; 967 } 968 969 static ssize_t attr_release_to_select_show_tpkbd(struct device *dev, 970 struct device_attribute *attr, 971 char *buf) 972 { 973 struct hid_device *hdev = to_hid_device(dev); 974 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 975 976 return sysfs_emit(buf, "%u\n", data_pointer->release_to_select); 977 } 978 979 static ssize_t attr_release_to_select_store_tpkbd(struct device *dev, 980 struct device_attribute *attr, 981 const char *buf, 982 size_t count) 983 { 984 struct hid_device *hdev = to_hid_device(dev); 985 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 986 int value; 987 988 if (kstrtoint(buf, 10, &value)) 989 return -EINVAL; 990 if (value < 0 || value > 1) 991 return -EINVAL; 992 993 data_pointer->release_to_select = value; 994 lenovo_features_set_tpkbd(hdev); 995 996 return count; 997 } 998 999 static ssize_t attr_select_right_show_tpkbd(struct device *dev, 1000 struct device_attribute *attr, 1001 char *buf) 1002 { 1003 struct hid_device *hdev = to_hid_device(dev); 1004 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1005 1006 return sysfs_emit(buf, "%u\n", data_pointer->select_right); 1007 } 1008 1009 static ssize_t attr_select_right_store_tpkbd(struct device *dev, 1010 struct device_attribute *attr, 1011 const char *buf, 1012 size_t count) 1013 { 1014 struct hid_device *hdev = to_hid_device(dev); 1015 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1016 int value; 1017 1018 if (kstrtoint(buf, 10, &value)) 1019 return -EINVAL; 1020 if (value < 0 || value > 1) 1021 return -EINVAL; 1022 1023 data_pointer->select_right = value; 1024 lenovo_features_set_tpkbd(hdev); 1025 1026 return count; 1027 } 1028 1029 static ssize_t attr_sensitivity_show_tpkbd(struct device *dev, 1030 struct device_attribute *attr, 1031 char *buf) 1032 { 1033 struct hid_device *hdev = to_hid_device(dev); 1034 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1035 1036 return sysfs_emit(buf, "%u\n", data_pointer->sensitivity); 1037 } 1038 1039 static ssize_t attr_sensitivity_store_tpkbd(struct device *dev, 1040 struct device_attribute *attr, 1041 const char *buf, 1042 size_t count) 1043 { 1044 struct hid_device *hdev = to_hid_device(dev); 1045 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1046 int value; 1047 1048 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 1049 return -EINVAL; 1050 1051 data_pointer->sensitivity = value; 1052 lenovo_features_set_tpkbd(hdev); 1053 1054 return count; 1055 } 1056 1057 static ssize_t attr_press_speed_show_tpkbd(struct device *dev, 1058 struct device_attribute *attr, 1059 char *buf) 1060 { 1061 struct hid_device *hdev = to_hid_device(dev); 1062 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1063 1064 return sysfs_emit(buf, "%u\n", data_pointer->press_speed); 1065 } 1066 1067 static ssize_t attr_press_speed_store_tpkbd(struct device *dev, 1068 struct device_attribute *attr, 1069 const char *buf, 1070 size_t count) 1071 { 1072 struct hid_device *hdev = to_hid_device(dev); 1073 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1074 int value; 1075 1076 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 1077 return -EINVAL; 1078 1079 data_pointer->press_speed = value; 1080 lenovo_features_set_tpkbd(hdev); 1081 1082 return count; 1083 } 1084 1085 static struct device_attribute dev_attr_press_to_select_tpkbd = 1086 __ATTR(press_to_select, S_IWUSR | S_IRUGO, 1087 attr_press_to_select_show_tpkbd, 1088 attr_press_to_select_store_tpkbd); 1089 1090 static struct device_attribute dev_attr_dragging_tpkbd = 1091 __ATTR(dragging, S_IWUSR | S_IRUGO, 1092 attr_dragging_show_tpkbd, 1093 attr_dragging_store_tpkbd); 1094 1095 static struct device_attribute dev_attr_release_to_select_tpkbd = 1096 __ATTR(release_to_select, S_IWUSR | S_IRUGO, 1097 attr_release_to_select_show_tpkbd, 1098 attr_release_to_select_store_tpkbd); 1099 1100 static struct device_attribute dev_attr_select_right_tpkbd = 1101 __ATTR(select_right, S_IWUSR | S_IRUGO, 1102 attr_select_right_show_tpkbd, 1103 attr_select_right_store_tpkbd); 1104 1105 static struct device_attribute dev_attr_sensitivity_tpkbd = 1106 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 1107 attr_sensitivity_show_tpkbd, 1108 attr_sensitivity_store_tpkbd); 1109 1110 static struct device_attribute dev_attr_press_speed_tpkbd = 1111 __ATTR(press_speed, S_IWUSR | S_IRUGO, 1112 attr_press_speed_show_tpkbd, 1113 attr_press_speed_store_tpkbd); 1114 1115 static struct attribute *lenovo_attributes_tpkbd[] = { 1116 &dev_attr_press_to_select_tpkbd.attr, 1117 &dev_attr_dragging_tpkbd.attr, 1118 &dev_attr_release_to_select_tpkbd.attr, 1119 &dev_attr_select_right_tpkbd.attr, 1120 &dev_attr_sensitivity_tpkbd.attr, 1121 &dev_attr_press_speed_tpkbd.attr, 1122 NULL 1123 }; 1124 1125 static const struct attribute_group lenovo_attr_group_tpkbd = { 1126 .attrs = lenovo_attributes_tpkbd, 1127 }; 1128 1129 static void lenovo_led_set_tpkbd(struct hid_device *hdev) 1130 { 1131 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1132 struct hid_report *report; 1133 1134 report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; 1135 report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; 1136 report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; 1137 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 1138 } 1139 1140 static int lenovo_led_brightness_set(struct led_classdev *led_cdev, 1141 enum led_brightness value) 1142 { 1143 struct device *dev = led_cdev->dev->parent; 1144 struct hid_device *hdev = to_hid_device(dev); 1145 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1146 static const u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED }; 1147 int led_nr = 0; 1148 int ret = 0; 1149 1150 if (led_cdev == &data_pointer->led_micmute) 1151 led_nr = 1; 1152 1153 if (value == LED_OFF) 1154 data_pointer->led_state &= ~(1 << led_nr); 1155 else 1156 data_pointer->led_state |= 1 << led_nr; 1157 1158 switch (hdev->product) { 1159 case USB_DEVICE_ID_LENOVO_TPKBD: 1160 lenovo_led_set_tpkbd(hdev); 1161 break; 1162 case USB_DEVICE_ID_LENOVO_X12_TAB: 1163 case USB_DEVICE_ID_LENOVO_X12_TAB2: 1164 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1165 case USB_DEVICE_ID_LENOVO_X1_TAB: 1166 case USB_DEVICE_ID_LENOVO_X1_TAB2: 1167 case USB_DEVICE_ID_LENOVO_X1_TAB3: 1168 ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value); 1169 break; 1170 } 1171 1172 return ret; 1173 } 1174 1175 static int lenovo_register_leds(struct hid_device *hdev) 1176 { 1177 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1178 size_t name_sz = strlen(dev_name(&hdev->dev)) + 16; 1179 char *name_mute, *name_micm; 1180 int ret; 1181 1182 name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1183 name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1184 if (name_mute == NULL || name_micm == NULL) { 1185 hid_err(hdev, "Could not allocate memory for led data\n"); 1186 return -ENOMEM; 1187 } 1188 snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev)); 1189 snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev)); 1190 1191 data->led_mute.name = name_mute; 1192 data->led_mute.default_trigger = "audio-mute"; 1193 data->led_mute.brightness_set_blocking = lenovo_led_brightness_set; 1194 data->led_mute.max_brightness = 1; 1195 data->led_mute.flags = LED_HW_PLUGGABLE; 1196 data->led_mute.dev = &hdev->dev; 1197 ret = led_classdev_register(&hdev->dev, &data->led_mute); 1198 if (ret < 0) 1199 return ret; 1200 1201 data->led_micmute.name = name_micm; 1202 data->led_micmute.default_trigger = "audio-micmute"; 1203 data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set; 1204 data->led_micmute.max_brightness = 1; 1205 data->led_micmute.flags = LED_HW_PLUGGABLE; 1206 data->led_micmute.dev = &hdev->dev; 1207 ret = led_classdev_register(&hdev->dev, &data->led_micmute); 1208 if (ret < 0) { 1209 led_classdev_unregister(&data->led_mute); 1210 return ret; 1211 } 1212 1213 return 0; 1214 } 1215 1216 static int lenovo_probe_tpkbd(struct hid_device *hdev) 1217 { 1218 struct lenovo_drvdata *data_pointer; 1219 int i, ret; 1220 1221 /* 1222 * Only register extra settings against subdevice where input_mapping 1223 * set drvdata to 1, i.e. the trackpoint. 1224 */ 1225 if (!hid_get_drvdata(hdev)) 1226 return 0; 1227 1228 hid_set_drvdata(hdev, NULL); 1229 1230 /* Validate required reports. */ 1231 for (i = 0; i < 4; i++) { 1232 if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1)) 1233 return -ENODEV; 1234 } 1235 if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2)) 1236 return -ENODEV; 1237 1238 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1239 if (ret) 1240 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1241 1242 data_pointer = devm_kzalloc(&hdev->dev, 1243 sizeof(struct lenovo_drvdata), 1244 GFP_KERNEL); 1245 if (data_pointer == NULL) { 1246 hid_err(hdev, "Could not allocate memory for driver data\n"); 1247 ret = -ENOMEM; 1248 goto err; 1249 } 1250 1251 // set same default values as windows driver 1252 data_pointer->sensitivity = 0xa0; 1253 data_pointer->press_speed = 0x38; 1254 1255 hid_set_drvdata(hdev, data_pointer); 1256 1257 ret = lenovo_register_leds(hdev); 1258 if (ret) 1259 goto err; 1260 1261 lenovo_features_set_tpkbd(hdev); 1262 1263 return 0; 1264 err: 1265 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1266 return ret; 1267 } 1268 1269 static int lenovo_probe_cptkbd(struct hid_device *hdev) 1270 { 1271 int ret; 1272 struct lenovo_drvdata *cptkbd_data; 1273 1274 /* All the custom action happens on the USBMOUSE device for USB */ 1275 if (((hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD) || 1276 (hdev->product == USB_DEVICE_ID_LENOVO_TPIIUSBKBD)) && 1277 hdev->type != HID_TYPE_USBMOUSE) { 1278 hid_dbg(hdev, "Ignoring keyboard half of device\n"); 1279 return 0; 1280 } 1281 1282 cptkbd_data = devm_kzalloc(&hdev->dev, 1283 sizeof(*cptkbd_data), 1284 GFP_KERNEL); 1285 if (cptkbd_data == NULL) { 1286 hid_err(hdev, "can't alloc keyboard descriptor\n"); 1287 return -ENOMEM; 1288 } 1289 hid_set_drvdata(hdev, cptkbd_data); 1290 1291 /* Set keyboard settings to known state */ 1292 cptkbd_data->middlebutton_state = 0; 1293 cptkbd_data->fn_lock = true; 1294 cptkbd_data->sensitivity = 0x05; 1295 cptkbd_data->middleclick_workaround_cptkbd = true; 1296 lenovo_features_set_cptkbd(hdev); 1297 1298 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd); 1299 if (ret) 1300 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1301 1302 return 0; 1303 } 1304 1305 static struct attribute *lenovo_attributes_tp10ubkbd[] = { 1306 &dev_attr_fn_lock.attr, 1307 NULL 1308 }; 1309 1310 static const struct attribute_group lenovo_attr_group_tp10ubkbd = { 1311 .attrs = lenovo_attributes_tp10ubkbd, 1312 }; 1313 1314 static int lenovo_probe_tp10ubkbd(struct hid_device *hdev) 1315 { 1316 struct hid_report_enum *rep_enum; 1317 struct lenovo_drvdata *data; 1318 struct hid_report *rep; 1319 bool found; 1320 int ret; 1321 1322 /* 1323 * The LEDs and the Fn-lock functionality use output report 9, 1324 * with an application of 0xffa0001, add the LEDs on the interface 1325 * with this output report. 1326 */ 1327 found = false; 1328 rep_enum = &hdev->report_enum[HID_OUTPUT_REPORT]; 1329 list_for_each_entry(rep, &rep_enum->report_list, list) { 1330 if (rep->application == 0xffa00001) 1331 found = true; 1332 } 1333 if (!found) 1334 return 0; 1335 1336 data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL); 1337 if (!data) 1338 return -ENOMEM; 1339 1340 mutex_init(&data->led_report_mutex); 1341 INIT_WORK(&data->fn_lock_sync_work, lenovo_tp10ubkbd_sync_fn_lock); 1342 data->hdev = hdev; 1343 1344 hid_set_drvdata(hdev, data); 1345 1346 /* 1347 * The Thinkpad 10 ultrabook USB kbd dock's Fn-lock defaults to on. 1348 * We cannot read the state, only set it, so we force it to on here 1349 * (which should be a no-op) to make sure that our state matches the 1350 * keyboard's FN-lock state. This is the same as what Windows does. 1351 * 1352 * For X12 TAB and TAB2, the default windows behaviour Fn-lock Off. 1353 * Adding additional check to ensure the behaviour in case of 1354 * Thinkpad X12 Tabs. 1355 */ 1356 1357 data->fn_lock = !(hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB || 1358 hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB2); 1359 1360 lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock); 1361 1362 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1363 if (ret) 1364 return ret; 1365 1366 ret = lenovo_register_leds(hdev); 1367 if (ret) 1368 goto err; 1369 1370 return 0; 1371 err: 1372 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1373 return ret; 1374 } 1375 1376 static int lenovo_probe(struct hid_device *hdev, 1377 const struct hid_device_id *id) 1378 { 1379 int ret; 1380 1381 ret = hid_parse(hdev); 1382 if (ret) { 1383 hid_err(hdev, "hid_parse failed\n"); 1384 goto err; 1385 } 1386 1387 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1388 if (ret) { 1389 hid_err(hdev, "hid_hw_start failed\n"); 1390 goto err; 1391 } 1392 1393 switch (hdev->product) { 1394 case USB_DEVICE_ID_LENOVO_TPKBD: 1395 ret = lenovo_probe_tpkbd(hdev); 1396 break; 1397 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1398 case USB_DEVICE_ID_LENOVO_CBTKBD: 1399 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1400 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1401 ret = lenovo_probe_cptkbd(hdev); 1402 break; 1403 case USB_DEVICE_ID_LENOVO_X12_TAB: 1404 case USB_DEVICE_ID_LENOVO_X12_TAB2: 1405 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1406 case USB_DEVICE_ID_LENOVO_X1_TAB: 1407 case USB_DEVICE_ID_LENOVO_X1_TAB2: 1408 case USB_DEVICE_ID_LENOVO_X1_TAB3: 1409 ret = lenovo_probe_tp10ubkbd(hdev); 1410 break; 1411 default: 1412 ret = 0; 1413 break; 1414 } 1415 if (ret) 1416 goto err_hid; 1417 1418 return 0; 1419 err_hid: 1420 hid_hw_stop(hdev); 1421 err: 1422 return ret; 1423 } 1424 1425 #ifdef CONFIG_PM 1426 static int lenovo_reset_resume(struct hid_device *hdev) 1427 { 1428 switch (hdev->product) { 1429 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1430 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1431 if (hdev->type == HID_TYPE_USBMOUSE) 1432 lenovo_features_set_cptkbd(hdev); 1433 1434 break; 1435 default: 1436 break; 1437 } 1438 1439 return 0; 1440 } 1441 #endif 1442 1443 static void lenovo_remove_tpkbd(struct hid_device *hdev) 1444 { 1445 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1446 1447 /* 1448 * Only the trackpoint half of the keyboard has drvdata and stuff that 1449 * needs unregistering. 1450 */ 1451 if (data_pointer == NULL) 1452 return; 1453 1454 sysfs_remove_group(&hdev->dev.kobj, 1455 &lenovo_attr_group_tpkbd); 1456 1457 led_classdev_unregister(&data_pointer->led_micmute); 1458 led_classdev_unregister(&data_pointer->led_mute); 1459 } 1460 1461 static void lenovo_remove_cptkbd(struct hid_device *hdev) 1462 { 1463 sysfs_remove_group(&hdev->dev.kobj, 1464 &lenovo_attr_group_cptkbd); 1465 } 1466 1467 static void lenovo_remove_tp10ubkbd(struct hid_device *hdev) 1468 { 1469 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1470 1471 if (data == NULL) 1472 return; 1473 1474 led_classdev_unregister(&data->led_micmute); 1475 led_classdev_unregister(&data->led_mute); 1476 1477 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1478 cancel_work_sync(&data->fn_lock_sync_work); 1479 } 1480 1481 static void lenovo_remove(struct hid_device *hdev) 1482 { 1483 switch (hdev->product) { 1484 case USB_DEVICE_ID_LENOVO_TPKBD: 1485 lenovo_remove_tpkbd(hdev); 1486 break; 1487 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1488 case USB_DEVICE_ID_LENOVO_CBTKBD: 1489 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1490 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1491 lenovo_remove_cptkbd(hdev); 1492 break; 1493 case USB_DEVICE_ID_LENOVO_X12_TAB: 1494 case USB_DEVICE_ID_LENOVO_X12_TAB2: 1495 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1496 case USB_DEVICE_ID_LENOVO_X1_TAB: 1497 case USB_DEVICE_ID_LENOVO_X1_TAB2: 1498 case USB_DEVICE_ID_LENOVO_X1_TAB3: 1499 lenovo_remove_tp10ubkbd(hdev); 1500 break; 1501 } 1502 1503 hid_hw_stop(hdev); 1504 } 1505 1506 static int lenovo_input_configured(struct hid_device *hdev, 1507 struct hid_input *hi) 1508 { 1509 switch (hdev->product) { 1510 case USB_DEVICE_ID_LENOVO_TPKBD: 1511 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1512 case USB_DEVICE_ID_LENOVO_CBTKBD: 1513 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1514 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1515 if (test_bit(EV_REL, hi->input->evbit)) { 1516 /* set only for trackpoint device */ 1517 __set_bit(INPUT_PROP_POINTER, hi->input->propbit); 1518 __set_bit(INPUT_PROP_POINTING_STICK, 1519 hi->input->propbit); 1520 } 1521 break; 1522 } 1523 1524 return 0; 1525 } 1526 1527 1528 static const struct hid_device_id lenovo_devices[] = { 1529 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, 1530 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) }, 1531 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIUSBKBD) }, 1532 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) }, 1533 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIBTKBD) }, 1534 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) }, 1535 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) }, 1536 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) }, 1537 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) }, 1538 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) }, 1539 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) }, 1540 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) }, 1541 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) }, 1542 /* 1543 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard 1544 * part, while letting hid-multitouch.c handle the touchpad and trackpoint. 1545 */ 1546 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1547 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) }, 1548 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1549 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB2) }, 1550 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1551 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB3) }, 1552 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1553 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X12_TAB) }, 1554 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1555 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X12_TAB2) }, 1556 { HID_DEVICE(BUS_I2C, HID_GROUP_GENERIC, 1557 USB_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_LENOVO_YOGA_SLIM_7X_KEYBOARD) }, 1558 { } 1559 }; 1560 1561 MODULE_DEVICE_TABLE(hid, lenovo_devices); 1562 1563 static struct hid_driver lenovo_driver = { 1564 .name = "lenovo", 1565 .id_table = lenovo_devices, 1566 .input_configured = lenovo_input_configured, 1567 .input_mapping = lenovo_input_mapping, 1568 .probe = lenovo_probe, 1569 .remove = lenovo_remove, 1570 .raw_event = lenovo_raw_event, 1571 .event = lenovo_event, 1572 .report_fixup = lenovo_report_fixup, 1573 #ifdef CONFIG_PM 1574 .reset_resume = lenovo_reset_resume, 1575 #endif 1576 }; 1577 module_hid_driver(lenovo_driver); 1578 1579 MODULE_DESCRIPTION("HID driver for IBM/Lenovo"); 1580 MODULE_LICENSE("GPL"); 1581