1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * HID driver for Lenovo: 4 * - ThinkPad USB Keyboard with TrackPoint (tpkbd) 5 * - ThinkPad Compact Bluetooth Keyboard with TrackPoint (cptkbd) 6 * - ThinkPad Compact USB Keyboard with TrackPoint (cptkbd) 7 * - ThinkPad TrackPoint Keyboard II USB/Bluetooth (cptkbd/tpIIkbd) 8 * 9 * Copyright (c) 2012 Bernhard Seibold 10 * Copyright (c) 2014 Jamie Lentin <jm@lentin.co.uk> 11 * 12 * Linux IBM/Lenovo Scrollpoint mouse driver: 13 * - IBM Scrollpoint III 14 * - IBM Scrollpoint Pro 15 * - IBM Scrollpoint Optical 16 * - IBM Scrollpoint Optical 800dpi 17 * - IBM Scrollpoint Optical 800dpi Pro 18 * - Lenovo Scrollpoint Optical 19 * 20 * Copyright (c) 2012 Peter De Wachter <pdewacht@gmail.com> 21 * Copyright (c) 2018 Peter Ganzhorn <peter.ganzhorn@gmail.com> 22 */ 23 24 /* 25 */ 26 27 #include <linux/module.h> 28 #include <linux/sysfs.h> 29 #include <linux/device.h> 30 #include <linux/hid.h> 31 #include <linux/input.h> 32 #include <linux/leds.h> 33 #include <linux/workqueue.h> 34 35 #include "hid-ids.h" 36 37 /* Userspace expects F20 for mic-mute KEY_MICMUTE does not work */ 38 #define LENOVO_KEY_MICMUTE KEY_F20 39 40 struct lenovo_drvdata { 41 u8 led_report[3]; /* Must be first for proper alignment */ 42 int led_state; 43 struct mutex led_report_mutex; 44 struct led_classdev led_mute; 45 struct led_classdev led_micmute; 46 struct work_struct fn_lock_sync_work; 47 struct hid_device *hdev; 48 int press_to_select; 49 int dragging; 50 int release_to_select; 51 int select_right; 52 int sensitivity; 53 int press_speed; 54 /* 0: Up 55 * 1: Down (undecided) 56 * 2: Scrolling 57 */ 58 u8 middlebutton_state; 59 bool fn_lock; 60 bool middleclick_workaround_cptkbd; 61 }; 62 63 #define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c)) 64 65 #define TP10UBKBD_LED_OUTPUT_REPORT 9 66 67 #define TP10UBKBD_FN_LOCK_LED 0x54 68 #define TP10UBKBD_MUTE_LED 0x64 69 #define TP10UBKBD_MICMUTE_LED 0x74 70 71 #define TP10UBKBD_LED_OFF 1 72 #define TP10UBKBD_LED_ON 2 73 lenovo_led_set_tp10ubkbd(struct hid_device * hdev,u8 led_code,enum led_brightness value)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 lenovo_tp10ubkbd_sync_fn_lock(struct work_struct * work)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 lenovo_report_fixup(struct hid_device * hdev,__u8 * rdesc,unsigned int * rsize)136 static const __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 lenovo_input_mapping_tpkbd(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)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 lenovo_input_mapping_cptkbd(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)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 lenovo_input_mapping_tpIIkbd(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)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 lenovo_input_mapping_scrollpoint(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)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 lenovo_input_mapping_tp10_ultrabook_kbd(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)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 lenovo_input_mapping_x1_tab_kbd(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)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 lenovo_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)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 case USB_DEVICE_ID_LENOVO_X1_TAB3: 477 return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max); 478 default: 479 return 0; 480 } 481 } 482 483 #undef map_key_clear 484 485 /* Send a config command to the keyboard */ lenovo_send_cmd_cptkbd(struct hid_device * hdev,unsigned char byte2,unsigned char byte3)486 static int lenovo_send_cmd_cptkbd(struct hid_device *hdev, 487 unsigned char byte2, unsigned char byte3) 488 { 489 int ret; 490 unsigned char *buf; 491 492 buf = kzalloc(3, GFP_KERNEL); 493 if (!buf) 494 return -ENOMEM; 495 496 /* 497 * Feature report 0x13 is used for USB, 498 * output report 0x18 is used for Bluetooth. 499 * buf[0] is ignored by hid_hw_raw_request. 500 */ 501 buf[0] = 0x18; 502 buf[1] = byte2; 503 buf[2] = byte3; 504 505 switch (hdev->product) { 506 case USB_DEVICE_ID_LENOVO_CUSBKBD: 507 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 508 ret = hid_hw_raw_request(hdev, 0x13, buf, 3, 509 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 510 break; 511 case USB_DEVICE_ID_LENOVO_CBTKBD: 512 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 513 ret = hid_hw_output_report(hdev, buf, 3); 514 break; 515 default: 516 ret = -EINVAL; 517 break; 518 } 519 520 kfree(buf); 521 522 return ret < 0 ? ret : 0; /* BT returns 0, USB returns sizeof(buf) */ 523 } 524 lenovo_features_set_cptkbd(struct hid_device * hdev)525 static void lenovo_features_set_cptkbd(struct hid_device *hdev) 526 { 527 int ret; 528 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 529 530 /* 531 * Tell the keyboard a driver understands it, and turn F7, F9, F11 into 532 * regular keys 533 */ 534 ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03); 535 if (ret) 536 hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret); 537 538 /* Switch middle button to native mode */ 539 ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01); 540 if (ret) 541 hid_warn(hdev, "Failed to switch middle button: %d\n", ret); 542 543 ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock); 544 if (ret) 545 hid_err(hdev, "Fn-lock setting failed: %d\n", ret); 546 547 ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity); 548 if (ret) 549 hid_err(hdev, "Sensitivity setting failed: %d\n", ret); 550 } 551 attr_fn_lock_show(struct device * dev,struct device_attribute * attr,char * buf)552 static ssize_t attr_fn_lock_show(struct device *dev, 553 struct device_attribute *attr, 554 char *buf) 555 { 556 struct hid_device *hdev = to_hid_device(dev); 557 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 558 559 return sysfs_emit(buf, "%u\n", data->fn_lock); 560 } 561 attr_fn_lock_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)562 static ssize_t attr_fn_lock_store(struct device *dev, 563 struct device_attribute *attr, 564 const char *buf, 565 size_t count) 566 { 567 struct hid_device *hdev = to_hid_device(dev); 568 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 569 int value, ret; 570 571 if (kstrtoint(buf, 10, &value)) 572 return -EINVAL; 573 if (value < 0 || value > 1) 574 return -EINVAL; 575 576 data->fn_lock = !!value; 577 578 switch (hdev->product) { 579 case USB_DEVICE_ID_LENOVO_CUSBKBD: 580 case USB_DEVICE_ID_LENOVO_CBTKBD: 581 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 582 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 583 lenovo_features_set_cptkbd(hdev); 584 break; 585 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 586 case USB_DEVICE_ID_LENOVO_X1_TAB: 587 case USB_DEVICE_ID_LENOVO_X1_TAB3: 588 ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value); 589 if (ret) 590 return ret; 591 break; 592 } 593 594 return count; 595 } 596 attr_sensitivity_show_cptkbd(struct device * dev,struct device_attribute * attr,char * buf)597 static ssize_t attr_sensitivity_show_cptkbd(struct device *dev, 598 struct device_attribute *attr, 599 char *buf) 600 { 601 struct hid_device *hdev = to_hid_device(dev); 602 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 603 604 return sysfs_emit(buf, "%u\n", cptkbd_data->sensitivity); 605 } 606 attr_sensitivity_store_cptkbd(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)607 static ssize_t attr_sensitivity_store_cptkbd(struct device *dev, 608 struct device_attribute *attr, 609 const char *buf, 610 size_t count) 611 { 612 struct hid_device *hdev = to_hid_device(dev); 613 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 614 int value; 615 616 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 617 return -EINVAL; 618 619 cptkbd_data->sensitivity = value; 620 lenovo_features_set_cptkbd(hdev); 621 622 return count; 623 } 624 attr_middleclick_workaround_show_cptkbd(struct device * dev,struct device_attribute * attr,char * buf)625 static ssize_t attr_middleclick_workaround_show_cptkbd(struct device *dev, 626 struct device_attribute *attr, 627 char *buf) 628 { 629 struct hid_device *hdev = to_hid_device(dev); 630 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 631 632 return sysfs_emit(buf, "%u\n", 633 cptkbd_data->middleclick_workaround_cptkbd); 634 } 635 attr_middleclick_workaround_store_cptkbd(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)636 static ssize_t attr_middleclick_workaround_store_cptkbd(struct device *dev, 637 struct device_attribute *attr, 638 const char *buf, 639 size_t count) 640 { 641 struct hid_device *hdev = to_hid_device(dev); 642 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 643 int value; 644 645 if (kstrtoint(buf, 10, &value)) 646 return -EINVAL; 647 if (value < 0 || value > 1) 648 return -EINVAL; 649 650 cptkbd_data->middleclick_workaround_cptkbd = !!value; 651 652 return count; 653 } 654 655 656 static struct device_attribute dev_attr_fn_lock = 657 __ATTR(fn_lock, S_IWUSR | S_IRUGO, 658 attr_fn_lock_show, 659 attr_fn_lock_store); 660 661 static struct device_attribute dev_attr_sensitivity_cptkbd = 662 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 663 attr_sensitivity_show_cptkbd, 664 attr_sensitivity_store_cptkbd); 665 666 static struct device_attribute dev_attr_middleclick_workaround_cptkbd = 667 __ATTR(middleclick_workaround, S_IWUSR | S_IRUGO, 668 attr_middleclick_workaround_show_cptkbd, 669 attr_middleclick_workaround_store_cptkbd); 670 671 672 static struct attribute *lenovo_attributes_cptkbd[] = { 673 &dev_attr_fn_lock.attr, 674 &dev_attr_sensitivity_cptkbd.attr, 675 &dev_attr_middleclick_workaround_cptkbd.attr, 676 NULL 677 }; 678 679 static const struct attribute_group lenovo_attr_group_cptkbd = { 680 .attrs = lenovo_attributes_cptkbd, 681 }; 682 lenovo_raw_event(struct hid_device * hdev,struct hid_report * report,u8 * data,int size)683 static int lenovo_raw_event(struct hid_device *hdev, 684 struct hid_report *report, u8 *data, int size) 685 { 686 /* 687 * Compact USB keyboard's Fn-F12 report holds down many other keys, and 688 * its own key is outside the usage page range. Remove extra 689 * keypresses and remap to inside usage page. 690 */ 691 if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD 692 && size == 3 693 && data[0] == 0x15 694 && data[1] == 0x94 695 && data[2] == 0x01)) { 696 data[1] = 0x00; 697 data[2] = 0x01; 698 } 699 700 return 0; 701 } 702 lenovo_event_tp10ubkbd(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)703 static int lenovo_event_tp10ubkbd(struct hid_device *hdev, 704 struct hid_field *field, struct hid_usage *usage, __s32 value) 705 { 706 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 707 708 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 709 /* 710 * The user has toggled the Fn-lock state. Toggle our own 711 * cached value of it and sync our value to the keyboard to 712 * ensure things are in sync (the sycning should be a no-op). 713 */ 714 data->fn_lock = !data->fn_lock; 715 schedule_work(&data->fn_lock_sync_work); 716 } 717 718 return 0; 719 } 720 lenovo_event_cptkbd(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)721 static int lenovo_event_cptkbd(struct hid_device *hdev, 722 struct hid_field *field, struct hid_usage *usage, __s32 value) 723 { 724 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); 725 726 if (cptkbd_data->middleclick_workaround_cptkbd) { 727 /* "wheel" scroll events */ 728 if (usage->type == EV_REL && (usage->code == REL_WHEEL || 729 usage->code == REL_HWHEEL)) { 730 /* Scroll events disable middle-click event */ 731 cptkbd_data->middlebutton_state = 2; 732 return 0; 733 } 734 735 /* Middle click events */ 736 if (usage->type == EV_KEY && usage->code == BTN_MIDDLE) { 737 if (value == 1) { 738 cptkbd_data->middlebutton_state = 1; 739 } else if (value == 0) { 740 if (cptkbd_data->middlebutton_state == 1) { 741 /* No scrolling inbetween, send middle-click */ 742 input_event(field->hidinput->input, 743 EV_KEY, BTN_MIDDLE, 1); 744 input_sync(field->hidinput->input); 745 input_event(field->hidinput->input, 746 EV_KEY, BTN_MIDDLE, 0); 747 input_sync(field->hidinput->input); 748 } 749 cptkbd_data->middlebutton_state = 0; 750 } 751 return 1; 752 } 753 } 754 755 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { 756 /* 757 * The user has toggled the Fn-lock state. Toggle our own 758 * cached value of it and sync our value to the keyboard to 759 * ensure things are in sync (the syncing should be a no-op). 760 */ 761 cptkbd_data->fn_lock = !cptkbd_data->fn_lock; 762 } 763 764 return 0; 765 } 766 lenovo_event(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)767 static int lenovo_event(struct hid_device *hdev, struct hid_field *field, 768 struct hid_usage *usage, __s32 value) 769 { 770 if (!hid_get_drvdata(hdev)) 771 return 0; 772 773 switch (hdev->product) { 774 case USB_DEVICE_ID_LENOVO_CUSBKBD: 775 case USB_DEVICE_ID_LENOVO_CBTKBD: 776 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 777 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 778 return lenovo_event_cptkbd(hdev, field, usage, value); 779 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 780 case USB_DEVICE_ID_LENOVO_X1_TAB: 781 case USB_DEVICE_ID_LENOVO_X1_TAB3: 782 return lenovo_event_tp10ubkbd(hdev, field, usage, value); 783 default: 784 return 0; 785 } 786 } 787 lenovo_features_set_tpkbd(struct hid_device * hdev)788 static int lenovo_features_set_tpkbd(struct hid_device *hdev) 789 { 790 struct hid_report *report; 791 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 792 793 report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4]; 794 795 report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02; 796 report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08; 797 report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20; 798 report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40; 799 report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver 800 report->field[2]->value[0] = data_pointer->sensitivity; 801 report->field[3]->value[0] = data_pointer->press_speed; 802 803 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 804 return 0; 805 } 806 attr_press_to_select_show_tpkbd(struct device * dev,struct device_attribute * attr,char * buf)807 static ssize_t attr_press_to_select_show_tpkbd(struct device *dev, 808 struct device_attribute *attr, 809 char *buf) 810 { 811 struct hid_device *hdev = to_hid_device(dev); 812 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 813 814 return sysfs_emit(buf, "%u\n", data_pointer->press_to_select); 815 } 816 attr_press_to_select_store_tpkbd(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)817 static ssize_t attr_press_to_select_store_tpkbd(struct device *dev, 818 struct device_attribute *attr, 819 const char *buf, 820 size_t count) 821 { 822 struct hid_device *hdev = to_hid_device(dev); 823 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 824 int value; 825 826 if (kstrtoint(buf, 10, &value)) 827 return -EINVAL; 828 if (value < 0 || value > 1) 829 return -EINVAL; 830 831 data_pointer->press_to_select = value; 832 lenovo_features_set_tpkbd(hdev); 833 834 return count; 835 } 836 attr_dragging_show_tpkbd(struct device * dev,struct device_attribute * attr,char * buf)837 static ssize_t attr_dragging_show_tpkbd(struct device *dev, 838 struct device_attribute *attr, 839 char *buf) 840 { 841 struct hid_device *hdev = to_hid_device(dev); 842 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 843 844 return sysfs_emit(buf, "%u\n", data_pointer->dragging); 845 } 846 attr_dragging_store_tpkbd(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)847 static ssize_t attr_dragging_store_tpkbd(struct device *dev, 848 struct device_attribute *attr, 849 const char *buf, 850 size_t count) 851 { 852 struct hid_device *hdev = to_hid_device(dev); 853 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 854 int value; 855 856 if (kstrtoint(buf, 10, &value)) 857 return -EINVAL; 858 if (value < 0 || value > 1) 859 return -EINVAL; 860 861 data_pointer->dragging = value; 862 lenovo_features_set_tpkbd(hdev); 863 864 return count; 865 } 866 attr_release_to_select_show_tpkbd(struct device * dev,struct device_attribute * attr,char * buf)867 static ssize_t attr_release_to_select_show_tpkbd(struct device *dev, 868 struct device_attribute *attr, 869 char *buf) 870 { 871 struct hid_device *hdev = to_hid_device(dev); 872 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 873 874 return sysfs_emit(buf, "%u\n", data_pointer->release_to_select); 875 } 876 attr_release_to_select_store_tpkbd(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)877 static ssize_t attr_release_to_select_store_tpkbd(struct device *dev, 878 struct device_attribute *attr, 879 const char *buf, 880 size_t count) 881 { 882 struct hid_device *hdev = to_hid_device(dev); 883 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 884 int value; 885 886 if (kstrtoint(buf, 10, &value)) 887 return -EINVAL; 888 if (value < 0 || value > 1) 889 return -EINVAL; 890 891 data_pointer->release_to_select = value; 892 lenovo_features_set_tpkbd(hdev); 893 894 return count; 895 } 896 attr_select_right_show_tpkbd(struct device * dev,struct device_attribute * attr,char * buf)897 static ssize_t attr_select_right_show_tpkbd(struct device *dev, 898 struct device_attribute *attr, 899 char *buf) 900 { 901 struct hid_device *hdev = to_hid_device(dev); 902 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 903 904 return sysfs_emit(buf, "%u\n", data_pointer->select_right); 905 } 906 attr_select_right_store_tpkbd(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)907 static ssize_t attr_select_right_store_tpkbd(struct device *dev, 908 struct device_attribute *attr, 909 const char *buf, 910 size_t count) 911 { 912 struct hid_device *hdev = to_hid_device(dev); 913 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 914 int value; 915 916 if (kstrtoint(buf, 10, &value)) 917 return -EINVAL; 918 if (value < 0 || value > 1) 919 return -EINVAL; 920 921 data_pointer->select_right = value; 922 lenovo_features_set_tpkbd(hdev); 923 924 return count; 925 } 926 attr_sensitivity_show_tpkbd(struct device * dev,struct device_attribute * attr,char * buf)927 static ssize_t attr_sensitivity_show_tpkbd(struct device *dev, 928 struct device_attribute *attr, 929 char *buf) 930 { 931 struct hid_device *hdev = to_hid_device(dev); 932 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 933 934 return sysfs_emit(buf, "%u\n", data_pointer->sensitivity); 935 } 936 attr_sensitivity_store_tpkbd(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)937 static ssize_t attr_sensitivity_store_tpkbd(struct device *dev, 938 struct device_attribute *attr, 939 const char *buf, 940 size_t count) 941 { 942 struct hid_device *hdev = to_hid_device(dev); 943 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 944 int value; 945 946 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 947 return -EINVAL; 948 949 data_pointer->sensitivity = value; 950 lenovo_features_set_tpkbd(hdev); 951 952 return count; 953 } 954 attr_press_speed_show_tpkbd(struct device * dev,struct device_attribute * attr,char * buf)955 static ssize_t attr_press_speed_show_tpkbd(struct device *dev, 956 struct device_attribute *attr, 957 char *buf) 958 { 959 struct hid_device *hdev = to_hid_device(dev); 960 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 961 962 return sysfs_emit(buf, "%u\n", data_pointer->press_speed); 963 } 964 attr_press_speed_store_tpkbd(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)965 static ssize_t attr_press_speed_store_tpkbd(struct device *dev, 966 struct device_attribute *attr, 967 const char *buf, 968 size_t count) 969 { 970 struct hid_device *hdev = to_hid_device(dev); 971 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 972 int value; 973 974 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) 975 return -EINVAL; 976 977 data_pointer->press_speed = value; 978 lenovo_features_set_tpkbd(hdev); 979 980 return count; 981 } 982 983 static struct device_attribute dev_attr_press_to_select_tpkbd = 984 __ATTR(press_to_select, S_IWUSR | S_IRUGO, 985 attr_press_to_select_show_tpkbd, 986 attr_press_to_select_store_tpkbd); 987 988 static struct device_attribute dev_attr_dragging_tpkbd = 989 __ATTR(dragging, S_IWUSR | S_IRUGO, 990 attr_dragging_show_tpkbd, 991 attr_dragging_store_tpkbd); 992 993 static struct device_attribute dev_attr_release_to_select_tpkbd = 994 __ATTR(release_to_select, S_IWUSR | S_IRUGO, 995 attr_release_to_select_show_tpkbd, 996 attr_release_to_select_store_tpkbd); 997 998 static struct device_attribute dev_attr_select_right_tpkbd = 999 __ATTR(select_right, S_IWUSR | S_IRUGO, 1000 attr_select_right_show_tpkbd, 1001 attr_select_right_store_tpkbd); 1002 1003 static struct device_attribute dev_attr_sensitivity_tpkbd = 1004 __ATTR(sensitivity, S_IWUSR | S_IRUGO, 1005 attr_sensitivity_show_tpkbd, 1006 attr_sensitivity_store_tpkbd); 1007 1008 static struct device_attribute dev_attr_press_speed_tpkbd = 1009 __ATTR(press_speed, S_IWUSR | S_IRUGO, 1010 attr_press_speed_show_tpkbd, 1011 attr_press_speed_store_tpkbd); 1012 1013 static struct attribute *lenovo_attributes_tpkbd[] = { 1014 &dev_attr_press_to_select_tpkbd.attr, 1015 &dev_attr_dragging_tpkbd.attr, 1016 &dev_attr_release_to_select_tpkbd.attr, 1017 &dev_attr_select_right_tpkbd.attr, 1018 &dev_attr_sensitivity_tpkbd.attr, 1019 &dev_attr_press_speed_tpkbd.attr, 1020 NULL 1021 }; 1022 1023 static const struct attribute_group lenovo_attr_group_tpkbd = { 1024 .attrs = lenovo_attributes_tpkbd, 1025 }; 1026 lenovo_led_set_tpkbd(struct hid_device * hdev)1027 static void lenovo_led_set_tpkbd(struct hid_device *hdev) 1028 { 1029 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1030 struct hid_report *report; 1031 1032 report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; 1033 report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; 1034 report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; 1035 hid_hw_request(hdev, report, HID_REQ_SET_REPORT); 1036 } 1037 lenovo_led_brightness_set(struct led_classdev * led_cdev,enum led_brightness value)1038 static int lenovo_led_brightness_set(struct led_classdev *led_cdev, 1039 enum led_brightness value) 1040 { 1041 struct device *dev = led_cdev->dev->parent; 1042 struct hid_device *hdev = to_hid_device(dev); 1043 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1044 static const u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED }; 1045 int led_nr = 0; 1046 int ret = 0; 1047 1048 if (led_cdev == &data_pointer->led_micmute) 1049 led_nr = 1; 1050 1051 if (value == LED_OFF) 1052 data_pointer->led_state &= ~(1 << led_nr); 1053 else 1054 data_pointer->led_state |= 1 << led_nr; 1055 1056 switch (hdev->product) { 1057 case USB_DEVICE_ID_LENOVO_TPKBD: 1058 lenovo_led_set_tpkbd(hdev); 1059 break; 1060 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1061 case USB_DEVICE_ID_LENOVO_X1_TAB: 1062 case USB_DEVICE_ID_LENOVO_X1_TAB3: 1063 ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value); 1064 break; 1065 } 1066 1067 return ret; 1068 } 1069 lenovo_register_leds(struct hid_device * hdev)1070 static int lenovo_register_leds(struct hid_device *hdev) 1071 { 1072 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1073 size_t name_sz = strlen(dev_name(&hdev->dev)) + 16; 1074 char *name_mute, *name_micm; 1075 int ret; 1076 1077 name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1078 name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); 1079 if (name_mute == NULL || name_micm == NULL) { 1080 hid_err(hdev, "Could not allocate memory for led data\n"); 1081 return -ENOMEM; 1082 } 1083 snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev)); 1084 snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev)); 1085 1086 data->led_mute.name = name_mute; 1087 data->led_mute.default_trigger = "audio-mute"; 1088 data->led_mute.brightness_set_blocking = lenovo_led_brightness_set; 1089 data->led_mute.max_brightness = 1; 1090 data->led_mute.flags = LED_HW_PLUGGABLE; 1091 data->led_mute.dev = &hdev->dev; 1092 ret = led_classdev_register(&hdev->dev, &data->led_mute); 1093 if (ret < 0) 1094 return ret; 1095 1096 data->led_micmute.name = name_micm; 1097 data->led_micmute.default_trigger = "audio-micmute"; 1098 data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set; 1099 data->led_micmute.max_brightness = 1; 1100 data->led_micmute.flags = LED_HW_PLUGGABLE; 1101 data->led_micmute.dev = &hdev->dev; 1102 ret = led_classdev_register(&hdev->dev, &data->led_micmute); 1103 if (ret < 0) { 1104 led_classdev_unregister(&data->led_mute); 1105 return ret; 1106 } 1107 1108 return 0; 1109 } 1110 lenovo_probe_tpkbd(struct hid_device * hdev)1111 static int lenovo_probe_tpkbd(struct hid_device *hdev) 1112 { 1113 struct lenovo_drvdata *data_pointer; 1114 int i, ret; 1115 1116 /* 1117 * Only register extra settings against subdevice where input_mapping 1118 * set drvdata to 1, i.e. the trackpoint. 1119 */ 1120 if (!hid_get_drvdata(hdev)) 1121 return 0; 1122 1123 hid_set_drvdata(hdev, NULL); 1124 1125 /* Validate required reports. */ 1126 for (i = 0; i < 4; i++) { 1127 if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1)) 1128 return -ENODEV; 1129 } 1130 if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2)) 1131 return -ENODEV; 1132 1133 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1134 if (ret) 1135 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1136 1137 data_pointer = devm_kzalloc(&hdev->dev, 1138 sizeof(struct lenovo_drvdata), 1139 GFP_KERNEL); 1140 if (data_pointer == NULL) { 1141 hid_err(hdev, "Could not allocate memory for driver data\n"); 1142 ret = -ENOMEM; 1143 goto err; 1144 } 1145 1146 // set same default values as windows driver 1147 data_pointer->sensitivity = 0xa0; 1148 data_pointer->press_speed = 0x38; 1149 1150 hid_set_drvdata(hdev, data_pointer); 1151 1152 ret = lenovo_register_leds(hdev); 1153 if (ret) 1154 goto err; 1155 1156 lenovo_features_set_tpkbd(hdev); 1157 1158 return 0; 1159 err: 1160 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); 1161 return ret; 1162 } 1163 lenovo_probe_cptkbd(struct hid_device * hdev)1164 static int lenovo_probe_cptkbd(struct hid_device *hdev) 1165 { 1166 int ret; 1167 struct lenovo_drvdata *cptkbd_data; 1168 1169 /* All the custom action happens on the USBMOUSE device for USB */ 1170 if (((hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD) || 1171 (hdev->product == USB_DEVICE_ID_LENOVO_TPIIUSBKBD)) && 1172 hdev->type != HID_TYPE_USBMOUSE) { 1173 hid_dbg(hdev, "Ignoring keyboard half of device\n"); 1174 return 0; 1175 } 1176 1177 cptkbd_data = devm_kzalloc(&hdev->dev, 1178 sizeof(*cptkbd_data), 1179 GFP_KERNEL); 1180 if (cptkbd_data == NULL) { 1181 hid_err(hdev, "can't alloc keyboard descriptor\n"); 1182 return -ENOMEM; 1183 } 1184 hid_set_drvdata(hdev, cptkbd_data); 1185 1186 /* Set keyboard settings to known state */ 1187 cptkbd_data->middlebutton_state = 0; 1188 cptkbd_data->fn_lock = true; 1189 cptkbd_data->sensitivity = 0x05; 1190 cptkbd_data->middleclick_workaround_cptkbd = true; 1191 lenovo_features_set_cptkbd(hdev); 1192 1193 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd); 1194 if (ret) 1195 hid_warn(hdev, "Could not create sysfs group: %d\n", ret); 1196 1197 return 0; 1198 } 1199 1200 static struct attribute *lenovo_attributes_tp10ubkbd[] = { 1201 &dev_attr_fn_lock.attr, 1202 NULL 1203 }; 1204 1205 static const struct attribute_group lenovo_attr_group_tp10ubkbd = { 1206 .attrs = lenovo_attributes_tp10ubkbd, 1207 }; 1208 lenovo_probe_tp10ubkbd(struct hid_device * hdev)1209 static int lenovo_probe_tp10ubkbd(struct hid_device *hdev) 1210 { 1211 struct hid_report_enum *rep_enum; 1212 struct lenovo_drvdata *data; 1213 struct hid_report *rep; 1214 bool found; 1215 int ret; 1216 1217 /* 1218 * The LEDs and the Fn-lock functionality use output report 9, 1219 * with an application of 0xffa0001, add the LEDs on the interface 1220 * with this output report. 1221 */ 1222 found = false; 1223 rep_enum = &hdev->report_enum[HID_OUTPUT_REPORT]; 1224 list_for_each_entry(rep, &rep_enum->report_list, list) { 1225 if (rep->application == 0xffa00001) 1226 found = true; 1227 } 1228 if (!found) 1229 return 0; 1230 1231 data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL); 1232 if (!data) 1233 return -ENOMEM; 1234 1235 mutex_init(&data->led_report_mutex); 1236 INIT_WORK(&data->fn_lock_sync_work, lenovo_tp10ubkbd_sync_fn_lock); 1237 data->hdev = hdev; 1238 1239 hid_set_drvdata(hdev, data); 1240 1241 /* 1242 * The Thinkpad 10 ultrabook USB kbd dock's Fn-lock defaults to on. 1243 * We cannot read the state, only set it, so we force it to on here 1244 * (which should be a no-op) to make sure that our state matches the 1245 * keyboard's FN-lock state. This is the same as what Windows does. 1246 */ 1247 data->fn_lock = true; 1248 lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock); 1249 1250 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1251 if (ret) 1252 return ret; 1253 1254 ret = lenovo_register_leds(hdev); 1255 if (ret) 1256 goto err; 1257 1258 return 0; 1259 err: 1260 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1261 return ret; 1262 } 1263 lenovo_probe(struct hid_device * hdev,const struct hid_device_id * id)1264 static int lenovo_probe(struct hid_device *hdev, 1265 const struct hid_device_id *id) 1266 { 1267 int ret; 1268 1269 ret = hid_parse(hdev); 1270 if (ret) { 1271 hid_err(hdev, "hid_parse failed\n"); 1272 goto err; 1273 } 1274 1275 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1276 if (ret) { 1277 hid_err(hdev, "hid_hw_start failed\n"); 1278 goto err; 1279 } 1280 1281 switch (hdev->product) { 1282 case USB_DEVICE_ID_LENOVO_TPKBD: 1283 ret = lenovo_probe_tpkbd(hdev); 1284 break; 1285 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1286 case USB_DEVICE_ID_LENOVO_CBTKBD: 1287 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1288 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1289 ret = lenovo_probe_cptkbd(hdev); 1290 break; 1291 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1292 case USB_DEVICE_ID_LENOVO_X1_TAB: 1293 case USB_DEVICE_ID_LENOVO_X1_TAB3: 1294 ret = lenovo_probe_tp10ubkbd(hdev); 1295 break; 1296 default: 1297 ret = 0; 1298 break; 1299 } 1300 if (ret) 1301 goto err_hid; 1302 1303 return 0; 1304 err_hid: 1305 hid_hw_stop(hdev); 1306 err: 1307 return ret; 1308 } 1309 1310 #ifdef CONFIG_PM lenovo_reset_resume(struct hid_device * hdev)1311 static int lenovo_reset_resume(struct hid_device *hdev) 1312 { 1313 switch (hdev->product) { 1314 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1315 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1316 if (hdev->type == HID_TYPE_USBMOUSE) 1317 lenovo_features_set_cptkbd(hdev); 1318 1319 break; 1320 default: 1321 break; 1322 } 1323 1324 return 0; 1325 } 1326 #endif 1327 lenovo_remove_tpkbd(struct hid_device * hdev)1328 static void lenovo_remove_tpkbd(struct hid_device *hdev) 1329 { 1330 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); 1331 1332 /* 1333 * Only the trackpoint half of the keyboard has drvdata and stuff that 1334 * needs unregistering. 1335 */ 1336 if (data_pointer == NULL) 1337 return; 1338 1339 sysfs_remove_group(&hdev->dev.kobj, 1340 &lenovo_attr_group_tpkbd); 1341 1342 led_classdev_unregister(&data_pointer->led_micmute); 1343 led_classdev_unregister(&data_pointer->led_mute); 1344 } 1345 lenovo_remove_cptkbd(struct hid_device * hdev)1346 static void lenovo_remove_cptkbd(struct hid_device *hdev) 1347 { 1348 sysfs_remove_group(&hdev->dev.kobj, 1349 &lenovo_attr_group_cptkbd); 1350 } 1351 lenovo_remove_tp10ubkbd(struct hid_device * hdev)1352 static void lenovo_remove_tp10ubkbd(struct hid_device *hdev) 1353 { 1354 struct lenovo_drvdata *data = hid_get_drvdata(hdev); 1355 1356 if (data == NULL) 1357 return; 1358 1359 led_classdev_unregister(&data->led_micmute); 1360 led_classdev_unregister(&data->led_mute); 1361 1362 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd); 1363 cancel_work_sync(&data->fn_lock_sync_work); 1364 } 1365 lenovo_remove(struct hid_device * hdev)1366 static void lenovo_remove(struct hid_device *hdev) 1367 { 1368 switch (hdev->product) { 1369 case USB_DEVICE_ID_LENOVO_TPKBD: 1370 lenovo_remove_tpkbd(hdev); 1371 break; 1372 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1373 case USB_DEVICE_ID_LENOVO_CBTKBD: 1374 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1375 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1376 lenovo_remove_cptkbd(hdev); 1377 break; 1378 case USB_DEVICE_ID_LENOVO_TP10UBKBD: 1379 case USB_DEVICE_ID_LENOVO_X1_TAB: 1380 case USB_DEVICE_ID_LENOVO_X1_TAB3: 1381 lenovo_remove_tp10ubkbd(hdev); 1382 break; 1383 } 1384 1385 hid_hw_stop(hdev); 1386 } 1387 lenovo_input_configured(struct hid_device * hdev,struct hid_input * hi)1388 static int lenovo_input_configured(struct hid_device *hdev, 1389 struct hid_input *hi) 1390 { 1391 switch (hdev->product) { 1392 case USB_DEVICE_ID_LENOVO_TPKBD: 1393 case USB_DEVICE_ID_LENOVO_CUSBKBD: 1394 case USB_DEVICE_ID_LENOVO_CBTKBD: 1395 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD: 1396 case USB_DEVICE_ID_LENOVO_TPIIBTKBD: 1397 if (test_bit(EV_REL, hi->input->evbit)) { 1398 /* set only for trackpoint device */ 1399 __set_bit(INPUT_PROP_POINTER, hi->input->propbit); 1400 __set_bit(INPUT_PROP_POINTING_STICK, 1401 hi->input->propbit); 1402 } 1403 break; 1404 } 1405 1406 return 0; 1407 } 1408 1409 1410 static const struct hid_device_id lenovo_devices[] = { 1411 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, 1412 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) }, 1413 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIUSBKBD) }, 1414 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) }, 1415 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIBTKBD) }, 1416 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) }, 1417 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) }, 1418 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) }, 1419 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) }, 1420 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) }, 1421 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) }, 1422 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) }, 1423 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) }, 1424 /* 1425 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard 1426 * part, while letting hid-multitouch.c handle the touchpad and trackpoint. 1427 */ 1428 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1429 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) }, 1430 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1431 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB3) }, 1432 { } 1433 }; 1434 1435 MODULE_DEVICE_TABLE(hid, lenovo_devices); 1436 1437 static struct hid_driver lenovo_driver = { 1438 .name = "lenovo", 1439 .id_table = lenovo_devices, 1440 .input_configured = lenovo_input_configured, 1441 .input_mapping = lenovo_input_mapping, 1442 .probe = lenovo_probe, 1443 .remove = lenovo_remove, 1444 .raw_event = lenovo_raw_event, 1445 .event = lenovo_event, 1446 .report_fixup = lenovo_report_fixup, 1447 #ifdef CONFIG_PM 1448 .reset_resume = lenovo_reset_resume, 1449 #endif 1450 }; 1451 module_hid_driver(lenovo_driver); 1452 1453 MODULE_DESCRIPTION("HID driver for IBM/Lenovo"); 1454 MODULE_LICENSE("GPL"); 1455