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1// SPDX-License-Identifier: GPL-2.0-or-later2/*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 Seibold10 * Copyright (c) 2014 Jamie Lentin <jm@lentin.co.uk>11 *12 * Linux IBM/Lenovo Scrollpoint mouse driver:13 * - IBM Scrollpoint III14 * - IBM Scrollpoint Pro15 * - IBM Scrollpoint Optical16 * - IBM Scrollpoint Optical 800dpi17 * - IBM Scrollpoint Optical 800dpi Pro18 * - Lenovo Scrollpoint Optical19 *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_F2039 40struct 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: Up55 * 1: Down (undecided)56 * 2: Scrolling57 */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 966 67#define TP10UBKBD_FN_LOCK_LED 0x5468#define TP10UBKBD_MUTE_LED 0x6469#define TP10UBKBD_MICMUTE_LED 0x7470 71#define TP10UBKBD_LED_OFF 172#define TP10UBKBD_LED_ON 273 74static 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 101static 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 110static 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) */120static 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 136static 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 collection143 * 0x8801 from the report ID 4144 */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 169static 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 182static 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 256static 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 351static 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 362static 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 for368 * 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 resuming392 * 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 400static 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 for406 * 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 448static 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_clear484 485/* Send a config command to the keyboard */486static 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 525static 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 into532 * regular keys533 */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 552static 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 562static 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 597static 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 607static 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 625static 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 636static 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 656static 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 661static 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 666static 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 672static 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 NULL677};678 679static const struct attribute_group lenovo_attr_group_cptkbd = {680 .attrs = lenovo_attributes_cptkbd,681};682 683static 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, and688 * its own key is outside the usage page range. Remove extra689 * keypresses and remap to inside usage page.690 */691 if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD692 && size == 3693 && data[0] == 0x15694 && data[1] == 0x94695 && data[2] == 0x01)) {696 data[1] = 0x00;697 data[2] = 0x01;698 }699 700 return 0;701}702 703static 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 own711 * cached value of it and sync our value to the keyboard to712 * 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 721static 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 own758 * cached value of it and sync our value to the keyboard to759 * 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 767static 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 788static 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 driver800 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 807static 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 817static 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 837static 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 847static 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 867static 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 877static 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 897static 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 907static 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 927static 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 937static 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 955static 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 965static 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 983static 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 988static 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 993static 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 998static 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 1003static 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 1008static 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 1013static 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 NULL1021};1022 1023static const struct attribute_group lenovo_attr_group_tpkbd = {1024 .attrs = lenovo_attributes_tpkbd,1025};1026 1027static 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 1038static 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 else1054 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 1070static 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 1111static 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_mapping1118 * 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 driver1147 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;1159err:1160 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);1161 return ret;1162}1163 1164static 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 1200static struct attribute *lenovo_attributes_tp10ubkbd[] = {1201 &dev_attr_fn_lock.attr,1202 NULL1203};1204 1205static const struct attribute_group lenovo_attr_group_tp10ubkbd = {1206 .attrs = lenovo_attributes_tp10ubkbd,1207};1208 1209static 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 interface1220 * 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 here1244 * (which should be a no-op) to make sure that our state matches the1245 * 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;1259err:1260 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);1261 return ret;1262}1263 1264static 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;1304err_hid:1305 hid_hw_stop(hdev);1306err:1307 return ret;1308}1309 1310#ifdef CONFIG_PM1311static 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#endif1327 1328static 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 that1334 * 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 1346static void lenovo_remove_cptkbd(struct hid_device *hdev)1347{1348 sysfs_remove_group(&hdev->dev.kobj,1349 &lenovo_attr_group_cptkbd);1350}1351 1352static 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 1366static 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 1388static 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 1410static 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 keyboard1426 * 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 1435MODULE_DEVICE_TABLE(hid, lenovo_devices);1436 1437static 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_PM1448 .reset_resume = lenovo_reset_resume,1449#endif1450};1451module_hid_driver(lenovo_driver);1452 1453MODULE_DESCRIPTION("HID driver for IBM/Lenovo");1454MODULE_LICENSE("GPL");1455