hid-lenovo.c 39 KB

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  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 <[email protected]>
  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 <[email protected]>
  21. * Copyright (c) 2018 Peter Ganzhorn <[email protected]>
  22. */
  23. /*
  24. */
  25. #include <linux/module.h>
  26. #include <linux/sysfs.h>
  27. #include <linux/device.h>
  28. #include <linux/hid.h>
  29. #include <linux/input.h>
  30. #include <linux/leds.h>
  31. #include <linux/workqueue.h>
  32. #include "hid-ids.h"
  33. /* Userspace expects F20 for mic-mute KEY_MICMUTE does not work */
  34. #define LENOVO_KEY_MICMUTE KEY_F20
  35. struct lenovo_drvdata {
  36. u8 led_report[3]; /* Must be first for proper alignment */
  37. int led_state;
  38. struct mutex led_report_mutex;
  39. struct led_classdev led_mute;
  40. struct led_classdev led_micmute;
  41. struct work_struct fn_lock_sync_work;
  42. struct hid_device *hdev;
  43. int press_to_select;
  44. int dragging;
  45. int release_to_select;
  46. int select_right;
  47. int sensitivity;
  48. int press_speed;
  49. /* 0: Up
  50. * 1: Down (undecided)
  51. * 2: Scrolling
  52. * 3: Patched firmware, disable workaround
  53. */
  54. u8 middlebutton_state;
  55. bool fn_lock;
  56. };
  57. #define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
  58. #define TP10UBKBD_LED_OUTPUT_REPORT 9
  59. #define TP10UBKBD_FN_LOCK_LED 0x54
  60. #define TP10UBKBD_MUTE_LED 0x64
  61. #define TP10UBKBD_MICMUTE_LED 0x74
  62. #define TP10UBKBD_LED_OFF 1
  63. #define TP10UBKBD_LED_ON 2
  64. static int lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code,
  65. enum led_brightness value)
  66. {
  67. struct lenovo_drvdata *data = hid_get_drvdata(hdev);
  68. int ret;
  69. mutex_lock(&data->led_report_mutex);
  70. data->led_report[0] = TP10UBKBD_LED_OUTPUT_REPORT;
  71. data->led_report[1] = led_code;
  72. data->led_report[2] = value ? TP10UBKBD_LED_ON : TP10UBKBD_LED_OFF;
  73. ret = hid_hw_raw_request(hdev, data->led_report[0], data->led_report, 3,
  74. HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
  75. if (ret != 3) {
  76. if (ret != -ENODEV)
  77. hid_err(hdev, "Set LED output report error: %d\n", ret);
  78. ret = ret < 0 ? ret : -EIO;
  79. } else {
  80. ret = 0;
  81. }
  82. mutex_unlock(&data->led_report_mutex);
  83. return ret;
  84. }
  85. static void lenovo_tp10ubkbd_sync_fn_lock(struct work_struct *work)
  86. {
  87. struct lenovo_drvdata *data =
  88. container_of(work, struct lenovo_drvdata, fn_lock_sync_work);
  89. lenovo_led_set_tp10ubkbd(data->hdev, TP10UBKBD_FN_LOCK_LED,
  90. data->fn_lock);
  91. }
  92. static const __u8 lenovo_pro_dock_need_fixup_collection[] = {
  93. 0x05, 0x88, /* Usage Page (Vendor Usage Page 0x88) */
  94. 0x09, 0x01, /* Usage (Vendor Usage 0x01) */
  95. 0xa1, 0x01, /* Collection (Application) */
  96. 0x85, 0x04, /* Report ID (4) */
  97. 0x19, 0x00, /* Usage Minimum (0) */
  98. 0x2a, 0xff, 0xff, /* Usage Maximum (65535) */
  99. };
  100. /* Broken ThinkPad TrackPoint II collection (Bluetooth mode) */
  101. static const __u8 lenovo_tpIIbtkbd_need_fixup_collection[] = {
  102. 0x06, 0x00, 0xFF, /* Usage Page (Vendor Defined 0xFF00) */
  103. 0x09, 0x01, /* Usage (0x01) */
  104. 0xA1, 0x01, /* Collection (Application) */
  105. 0x85, 0x05, /* Report ID (5) */
  106. 0x1A, 0xF1, 0x00, /* Usage Minimum (0xF1) */
  107. 0x2A, 0xFC, 0x00, /* Usage Maximum (0xFC) */
  108. 0x15, 0x00, /* Logical Minimum (0) */
  109. 0x25, 0x01, /* Logical Maximum (1) */
  110. 0x75, 0x01, /* Report Size (1) */
  111. 0x95, 0x0D, /* Report Count (13) */
  112. 0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */
  113. 0x95, 0x03, /* Report Count (3) */
  114. 0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */
  115. };
  116. static __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc,
  117. unsigned int *rsize)
  118. {
  119. switch (hdev->product) {
  120. case USB_DEVICE_ID_LENOVO_TPPRODOCK:
  121. /* the fixups that need to be done:
  122. * - get a reasonable usage max for the vendor collection
  123. * 0x8801 from the report ID 4
  124. */
  125. if (*rsize >= 153 &&
  126. memcmp(&rdesc[140], lenovo_pro_dock_need_fixup_collection,
  127. sizeof(lenovo_pro_dock_need_fixup_collection)) == 0) {
  128. rdesc[151] = 0x01;
  129. rdesc[152] = 0x00;
  130. }
  131. break;
  132. case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
  133. if (*rsize >= 263 &&
  134. memcmp(&rdesc[234], lenovo_tpIIbtkbd_need_fixup_collection,
  135. sizeof(lenovo_tpIIbtkbd_need_fixup_collection)) == 0) {
  136. rdesc[244] = 0x00; /* usage minimum = 0x00 */
  137. rdesc[247] = 0xff; /* usage maximum = 0xff */
  138. rdesc[252] = 0xff; /* logical maximum = 0xff */
  139. rdesc[254] = 0x08; /* report size = 0x08 */
  140. rdesc[256] = 0x01; /* report count = 0x01 */
  141. rdesc[258] = 0x00; /* input = 0x00 */
  142. rdesc[260] = 0x01; /* report count (2) = 0x01 */
  143. }
  144. break;
  145. }
  146. return rdesc;
  147. }
  148. static int lenovo_input_mapping_tpkbd(struct hid_device *hdev,
  149. struct hid_input *hi, struct hid_field *field,
  150. struct hid_usage *usage, unsigned long **bit, int *max)
  151. {
  152. if (usage->hid == (HID_UP_BUTTON | 0x0010)) {
  153. /* This sub-device contains trackpoint, mark it */
  154. hid_set_drvdata(hdev, (void *)1);
  155. map_key_clear(LENOVO_KEY_MICMUTE);
  156. return 1;
  157. }
  158. return 0;
  159. }
  160. static int lenovo_input_mapping_cptkbd(struct hid_device *hdev,
  161. struct hid_input *hi, struct hid_field *field,
  162. struct hid_usage *usage, unsigned long **bit, int *max)
  163. {
  164. /* HID_UP_LNVENDOR = USB, HID_UP_MSVENDOR = BT */
  165. if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR ||
  166. (usage->hid & HID_USAGE_PAGE) == HID_UP_LNVENDOR) {
  167. switch (usage->hid & HID_USAGE) {
  168. case 0x00f1: /* Fn-F4: Mic mute */
  169. map_key_clear(LENOVO_KEY_MICMUTE);
  170. return 1;
  171. case 0x00f2: /* Fn-F5: Brightness down */
  172. map_key_clear(KEY_BRIGHTNESSDOWN);
  173. return 1;
  174. case 0x00f3: /* Fn-F6: Brightness up */
  175. map_key_clear(KEY_BRIGHTNESSUP);
  176. return 1;
  177. case 0x00f4: /* Fn-F7: External display (projector) */
  178. map_key_clear(KEY_SWITCHVIDEOMODE);
  179. return 1;
  180. case 0x00f5: /* Fn-F8: Wireless */
  181. map_key_clear(KEY_WLAN);
  182. return 1;
  183. case 0x00f6: /* Fn-F9: Control panel */
  184. map_key_clear(KEY_CONFIG);
  185. return 1;
  186. case 0x00f8: /* Fn-F11: View open applications (3 boxes) */
  187. map_key_clear(KEY_SCALE);
  188. return 1;
  189. case 0x00f9: /* Fn-F12: Open My computer (6 boxes) USB-only */
  190. /* NB: This mapping is invented in raw_event below */
  191. map_key_clear(KEY_FILE);
  192. return 1;
  193. case 0x00fa: /* Fn-Esc: Fn-lock toggle */
  194. map_key_clear(KEY_FN_ESC);
  195. return 1;
  196. case 0x00fb: /* Middle mouse button (in native mode) */
  197. map_key_clear(BTN_MIDDLE);
  198. return 1;
  199. }
  200. }
  201. /* Compatibility middle/wheel mappings should be ignored */
  202. if (usage->hid == HID_GD_WHEEL)
  203. return -1;
  204. if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON &&
  205. (usage->hid & HID_USAGE) == 0x003)
  206. return -1;
  207. if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER &&
  208. (usage->hid & HID_USAGE) == 0x238)
  209. return -1;
  210. /* Map wheel emulation reports: 0xffa1 = USB, 0xff10 = BT */
  211. if ((usage->hid & HID_USAGE_PAGE) == 0xff100000 ||
  212. (usage->hid & HID_USAGE_PAGE) == 0xffa10000) {
  213. field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE;
  214. field->logical_minimum = -127;
  215. field->logical_maximum = 127;
  216. switch (usage->hid & HID_USAGE) {
  217. case 0x0000:
  218. hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
  219. return 1;
  220. case 0x0001:
  221. hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL);
  222. return 1;
  223. default:
  224. return -1;
  225. }
  226. }
  227. return 0;
  228. }
  229. static int lenovo_input_mapping_tpIIkbd(struct hid_device *hdev,
  230. struct hid_input *hi, struct hid_field *field,
  231. struct hid_usage *usage, unsigned long **bit, int *max)
  232. {
  233. /*
  234. * 0xff0a0000 = USB, HID_UP_MSVENDOR = BT.
  235. *
  236. * In BT mode, there are two HID_UP_MSVENDOR pages.
  237. * Use only the page that contains report ID == 5.
  238. */
  239. if (((usage->hid & HID_USAGE_PAGE) == 0xff0a0000 ||
  240. (usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) &&
  241. field->report->id == 5) {
  242. switch (usage->hid & HID_USAGE) {
  243. case 0x00bb: /* Fn-F4: Mic mute */
  244. map_key_clear(LENOVO_KEY_MICMUTE);
  245. return 1;
  246. case 0x00c3: /* Fn-F5: Brightness down */
  247. map_key_clear(KEY_BRIGHTNESSDOWN);
  248. return 1;
  249. case 0x00c4: /* Fn-F6: Brightness up */
  250. map_key_clear(KEY_BRIGHTNESSUP);
  251. return 1;
  252. case 0x00c1: /* Fn-F8: Notification center */
  253. map_key_clear(KEY_NOTIFICATION_CENTER);
  254. return 1;
  255. case 0x00bc: /* Fn-F9: Control panel */
  256. map_key_clear(KEY_CONFIG);
  257. return 1;
  258. case 0x00b6: /* Fn-F10: Bluetooth */
  259. map_key_clear(KEY_BLUETOOTH);
  260. return 1;
  261. case 0x00b7: /* Fn-F11: Keyboard config */
  262. map_key_clear(KEY_KEYBOARD);
  263. return 1;
  264. case 0x00b8: /* Fn-F12: User function */
  265. map_key_clear(KEY_PROG1);
  266. return 1;
  267. case 0x00b9: /* Fn-PrtSc: Snipping tool */
  268. map_key_clear(KEY_SELECTIVE_SCREENSHOT);
  269. return 1;
  270. case 0x00b5: /* Fn-Esc: Fn-lock toggle */
  271. map_key_clear(KEY_FN_ESC);
  272. return 1;
  273. }
  274. }
  275. if ((usage->hid & HID_USAGE_PAGE) == 0xffa00000) {
  276. switch (usage->hid & HID_USAGE) {
  277. case 0x00fb: /* Middle mouse (in native USB mode) */
  278. map_key_clear(BTN_MIDDLE);
  279. return 1;
  280. }
  281. }
  282. if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR &&
  283. field->report->id == 21) {
  284. switch (usage->hid & HID_USAGE) {
  285. case 0x0004: /* Middle mouse (in native Bluetooth mode) */
  286. map_key_clear(BTN_MIDDLE);
  287. return 1;
  288. }
  289. }
  290. /* Compatibility middle/wheel mappings should be ignored */
  291. if (usage->hid == HID_GD_WHEEL)
  292. return -1;
  293. if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON &&
  294. (usage->hid & HID_USAGE) == 0x003)
  295. return -1;
  296. if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER &&
  297. (usage->hid & HID_USAGE) == 0x238)
  298. return -1;
  299. /* Map wheel emulation reports: 0xff10 */
  300. if ((usage->hid & HID_USAGE_PAGE) == 0xff100000) {
  301. field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE;
  302. field->logical_minimum = -127;
  303. field->logical_maximum = 127;
  304. switch (usage->hid & HID_USAGE) {
  305. case 0x0000:
  306. hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
  307. return 1;
  308. case 0x0001:
  309. hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL);
  310. return 1;
  311. default:
  312. return -1;
  313. }
  314. }
  315. return 0;
  316. }
  317. static int lenovo_input_mapping_scrollpoint(struct hid_device *hdev,
  318. struct hid_input *hi, struct hid_field *field,
  319. struct hid_usage *usage, unsigned long **bit, int *max)
  320. {
  321. if (usage->hid == HID_GD_Z) {
  322. hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
  323. return 1;
  324. }
  325. return 0;
  326. }
  327. static int lenovo_input_mapping_tp10_ultrabook_kbd(struct hid_device *hdev,
  328. struct hid_input *hi, struct hid_field *field,
  329. struct hid_usage *usage, unsigned long **bit, int *max)
  330. {
  331. /*
  332. * The ThinkPad 10 Ultrabook Keyboard uses 0x000c0001 usage for
  333. * a bunch of keys which have no standard consumer page code.
  334. */
  335. if (usage->hid == 0x000c0001) {
  336. switch (usage->usage_index) {
  337. case 8: /* Fn-Esc: Fn-lock toggle */
  338. map_key_clear(KEY_FN_ESC);
  339. return 1;
  340. case 9: /* Fn-F4: Mic mute */
  341. map_key_clear(LENOVO_KEY_MICMUTE);
  342. return 1;
  343. case 10: /* Fn-F7: Control panel */
  344. map_key_clear(KEY_CONFIG);
  345. return 1;
  346. case 11: /* Fn-F8: Search (magnifier glass) */
  347. map_key_clear(KEY_SEARCH);
  348. return 1;
  349. case 12: /* Fn-F10: Open My computer (6 boxes) */
  350. map_key_clear(KEY_FILE);
  351. return 1;
  352. }
  353. }
  354. /*
  355. * The Ultrabook Keyboard sends a spurious F23 key-press when resuming
  356. * from suspend and it does not actually have a F23 key, ignore it.
  357. */
  358. if (usage->hid == 0x00070072)
  359. return -1;
  360. return 0;
  361. }
  362. static int lenovo_input_mapping_x1_tab_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 X1 Tablet Thin 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 0: /* Fn-F10: Enable/disable bluetooth */
  373. map_key_clear(KEY_BLUETOOTH);
  374. return 1;
  375. case 1: /* Fn-F11: Keyboard settings */
  376. map_key_clear(KEY_KEYBOARD);
  377. return 1;
  378. case 2: /* Fn-F12: User function / Cortana */
  379. map_key_clear(KEY_MACRO1);
  380. return 1;
  381. case 3: /* Fn-PrtSc: Snipping tool */
  382. map_key_clear(KEY_SELECTIVE_SCREENSHOT);
  383. return 1;
  384. case 8: /* Fn-Esc: Fn-lock toggle */
  385. map_key_clear(KEY_FN_ESC);
  386. return 1;
  387. case 9: /* Fn-F4: Mute/unmute microphone */
  388. map_key_clear(KEY_MICMUTE);
  389. return 1;
  390. case 10: /* Fn-F9: Settings */
  391. map_key_clear(KEY_CONFIG);
  392. return 1;
  393. case 13: /* Fn-F7: Manage external displays */
  394. map_key_clear(KEY_SWITCHVIDEOMODE);
  395. return 1;
  396. case 14: /* Fn-F8: Enable/disable wifi */
  397. map_key_clear(KEY_WLAN);
  398. return 1;
  399. }
  400. }
  401. if (usage->hid == (HID_UP_KEYBOARD | 0x009a)) {
  402. map_key_clear(KEY_SYSRQ);
  403. return 1;
  404. }
  405. return 0;
  406. }
  407. static int lenovo_input_mapping(struct hid_device *hdev,
  408. struct hid_input *hi, struct hid_field *field,
  409. struct hid_usage *usage, unsigned long **bit, int *max)
  410. {
  411. switch (hdev->product) {
  412. case USB_DEVICE_ID_LENOVO_TPKBD:
  413. return lenovo_input_mapping_tpkbd(hdev, hi, field,
  414. usage, bit, max);
  415. case USB_DEVICE_ID_LENOVO_CUSBKBD:
  416. case USB_DEVICE_ID_LENOVO_CBTKBD:
  417. return lenovo_input_mapping_cptkbd(hdev, hi, field,
  418. usage, bit, max);
  419. case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
  420. case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
  421. return lenovo_input_mapping_tpIIkbd(hdev, hi, field,
  422. usage, bit, max);
  423. case USB_DEVICE_ID_IBM_SCROLLPOINT_III:
  424. case USB_DEVICE_ID_IBM_SCROLLPOINT_PRO:
  425. case USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL:
  426. case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL:
  427. case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO:
  428. case USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL:
  429. return lenovo_input_mapping_scrollpoint(hdev, hi, field,
  430. usage, bit, max);
  431. case USB_DEVICE_ID_LENOVO_TP10UBKBD:
  432. return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field,
  433. usage, bit, max);
  434. case USB_DEVICE_ID_LENOVO_X1_TAB:
  435. return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max);
  436. default:
  437. return 0;
  438. }
  439. }
  440. #undef map_key_clear
  441. /* Send a config command to the keyboard */
  442. static int lenovo_send_cmd_cptkbd(struct hid_device *hdev,
  443. unsigned char byte2, unsigned char byte3)
  444. {
  445. int ret;
  446. unsigned char *buf;
  447. buf = kzalloc(3, GFP_KERNEL);
  448. if (!buf)
  449. return -ENOMEM;
  450. /*
  451. * Feature report 0x13 is used for USB,
  452. * output report 0x18 is used for Bluetooth.
  453. * buf[0] is ignored by hid_hw_raw_request.
  454. */
  455. buf[0] = 0x18;
  456. buf[1] = byte2;
  457. buf[2] = byte3;
  458. switch (hdev->product) {
  459. case USB_DEVICE_ID_LENOVO_CUSBKBD:
  460. case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
  461. ret = hid_hw_raw_request(hdev, 0x13, buf, 3,
  462. HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
  463. break;
  464. case USB_DEVICE_ID_LENOVO_CBTKBD:
  465. case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
  466. ret = hid_hw_output_report(hdev, buf, 3);
  467. break;
  468. default:
  469. ret = -EINVAL;
  470. break;
  471. }
  472. kfree(buf);
  473. return ret < 0 ? ret : 0; /* BT returns 0, USB returns sizeof(buf) */
  474. }
  475. static void lenovo_features_set_cptkbd(struct hid_device *hdev)
  476. {
  477. int ret;
  478. struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
  479. /*
  480. * Tell the keyboard a driver understands it, and turn F7, F9, F11 into
  481. * regular keys
  482. */
  483. ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03);
  484. if (ret)
  485. hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
  486. /* Switch middle button to native mode */
  487. ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01);
  488. if (ret)
  489. hid_warn(hdev, "Failed to switch middle button: %d\n", ret);
  490. ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock);
  491. if (ret)
  492. hid_err(hdev, "Fn-lock setting failed: %d\n", ret);
  493. ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity);
  494. if (ret)
  495. hid_err(hdev, "Sensitivity setting failed: %d\n", ret);
  496. }
  497. static ssize_t attr_fn_lock_show(struct device *dev,
  498. struct device_attribute *attr,
  499. char *buf)
  500. {
  501. struct hid_device *hdev = to_hid_device(dev);
  502. struct lenovo_drvdata *data = hid_get_drvdata(hdev);
  503. return snprintf(buf, PAGE_SIZE, "%u\n", data->fn_lock);
  504. }
  505. static ssize_t attr_fn_lock_store(struct device *dev,
  506. struct device_attribute *attr,
  507. const char *buf,
  508. size_t count)
  509. {
  510. struct hid_device *hdev = to_hid_device(dev);
  511. struct lenovo_drvdata *data = hid_get_drvdata(hdev);
  512. int value, ret;
  513. if (kstrtoint(buf, 10, &value))
  514. return -EINVAL;
  515. if (value < 0 || value > 1)
  516. return -EINVAL;
  517. data->fn_lock = !!value;
  518. switch (hdev->product) {
  519. case USB_DEVICE_ID_LENOVO_CUSBKBD:
  520. case USB_DEVICE_ID_LENOVO_CBTKBD:
  521. case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
  522. case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
  523. lenovo_features_set_cptkbd(hdev);
  524. break;
  525. case USB_DEVICE_ID_LENOVO_TP10UBKBD:
  526. case USB_DEVICE_ID_LENOVO_X1_TAB:
  527. ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value);
  528. if (ret)
  529. return ret;
  530. break;
  531. }
  532. return count;
  533. }
  534. static ssize_t attr_sensitivity_show_cptkbd(struct device *dev,
  535. struct device_attribute *attr,
  536. char *buf)
  537. {
  538. struct hid_device *hdev = to_hid_device(dev);
  539. struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
  540. return snprintf(buf, PAGE_SIZE, "%u\n",
  541. cptkbd_data->sensitivity);
  542. }
  543. static ssize_t attr_sensitivity_store_cptkbd(struct device *dev,
  544. struct device_attribute *attr,
  545. const char *buf,
  546. size_t count)
  547. {
  548. struct hid_device *hdev = to_hid_device(dev);
  549. struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
  550. int value;
  551. if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
  552. return -EINVAL;
  553. cptkbd_data->sensitivity = value;
  554. lenovo_features_set_cptkbd(hdev);
  555. return count;
  556. }
  557. static struct device_attribute dev_attr_fn_lock =
  558. __ATTR(fn_lock, S_IWUSR | S_IRUGO,
  559. attr_fn_lock_show,
  560. attr_fn_lock_store);
  561. static struct device_attribute dev_attr_sensitivity_cptkbd =
  562. __ATTR(sensitivity, S_IWUSR | S_IRUGO,
  563. attr_sensitivity_show_cptkbd,
  564. attr_sensitivity_store_cptkbd);
  565. static struct attribute *lenovo_attributes_cptkbd[] = {
  566. &dev_attr_fn_lock.attr,
  567. &dev_attr_sensitivity_cptkbd.attr,
  568. NULL
  569. };
  570. static const struct attribute_group lenovo_attr_group_cptkbd = {
  571. .attrs = lenovo_attributes_cptkbd,
  572. };
  573. static int lenovo_raw_event(struct hid_device *hdev,
  574. struct hid_report *report, u8 *data, int size)
  575. {
  576. /*
  577. * Compact USB keyboard's Fn-F12 report holds down many other keys, and
  578. * its own key is outside the usage page range. Remove extra
  579. * keypresses and remap to inside usage page.
  580. */
  581. if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
  582. && size == 3
  583. && data[0] == 0x15
  584. && data[1] == 0x94
  585. && data[2] == 0x01)) {
  586. data[1] = 0x00;
  587. data[2] = 0x01;
  588. }
  589. return 0;
  590. }
  591. static int lenovo_event_tp10ubkbd(struct hid_device *hdev,
  592. struct hid_field *field, struct hid_usage *usage, __s32 value)
  593. {
  594. struct lenovo_drvdata *data = hid_get_drvdata(hdev);
  595. if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) {
  596. /*
  597. * The user has toggled the Fn-lock state. Toggle our own
  598. * cached value of it and sync our value to the keyboard to
  599. * ensure things are in sync (the sycning should be a no-op).
  600. */
  601. data->fn_lock = !data->fn_lock;
  602. schedule_work(&data->fn_lock_sync_work);
  603. }
  604. return 0;
  605. }
  606. static int lenovo_event_cptkbd(struct hid_device *hdev,
  607. struct hid_field *field, struct hid_usage *usage, __s32 value)
  608. {
  609. struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
  610. if (cptkbd_data->middlebutton_state != 3) {
  611. /* REL_X and REL_Y events during middle button pressed
  612. * are only possible on patched, bug-free firmware
  613. * so set middlebutton_state to 3
  614. * to never apply workaround anymore
  615. */
  616. if (cptkbd_data->middlebutton_state == 1 &&
  617. usage->type == EV_REL &&
  618. (usage->code == REL_X || usage->code == REL_Y)) {
  619. cptkbd_data->middlebutton_state = 3;
  620. /* send middle button press which was hold before */
  621. input_event(field->hidinput->input,
  622. EV_KEY, BTN_MIDDLE, 1);
  623. input_sync(field->hidinput->input);
  624. }
  625. /* "wheel" scroll events */
  626. if (usage->type == EV_REL && (usage->code == REL_WHEEL ||
  627. usage->code == REL_HWHEEL)) {
  628. /* Scroll events disable middle-click event */
  629. cptkbd_data->middlebutton_state = 2;
  630. return 0;
  631. }
  632. /* Middle click events */
  633. if (usage->type == EV_KEY && usage->code == BTN_MIDDLE) {
  634. if (value == 1) {
  635. cptkbd_data->middlebutton_state = 1;
  636. } else if (value == 0) {
  637. if (cptkbd_data->middlebutton_state == 1) {
  638. /* No scrolling inbetween, send middle-click */
  639. input_event(field->hidinput->input,
  640. EV_KEY, BTN_MIDDLE, 1);
  641. input_sync(field->hidinput->input);
  642. input_event(field->hidinput->input,
  643. EV_KEY, BTN_MIDDLE, 0);
  644. input_sync(field->hidinput->input);
  645. }
  646. cptkbd_data->middlebutton_state = 0;
  647. }
  648. return 1;
  649. }
  650. }
  651. if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) {
  652. /*
  653. * The user has toggled the Fn-lock state. Toggle our own
  654. * cached value of it and sync our value to the keyboard to
  655. * ensure things are in sync (the syncing should be a no-op).
  656. */
  657. cptkbd_data->fn_lock = !cptkbd_data->fn_lock;
  658. }
  659. return 0;
  660. }
  661. static int lenovo_event(struct hid_device *hdev, struct hid_field *field,
  662. struct hid_usage *usage, __s32 value)
  663. {
  664. if (!hid_get_drvdata(hdev))
  665. return 0;
  666. switch (hdev->product) {
  667. case USB_DEVICE_ID_LENOVO_CUSBKBD:
  668. case USB_DEVICE_ID_LENOVO_CBTKBD:
  669. case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
  670. case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
  671. return lenovo_event_cptkbd(hdev, field, usage, value);
  672. case USB_DEVICE_ID_LENOVO_TP10UBKBD:
  673. case USB_DEVICE_ID_LENOVO_X1_TAB:
  674. return lenovo_event_tp10ubkbd(hdev, field, usage, value);
  675. default:
  676. return 0;
  677. }
  678. }
  679. static int lenovo_features_set_tpkbd(struct hid_device *hdev)
  680. {
  681. struct hid_report *report;
  682. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  683. report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4];
  684. report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02;
  685. report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08;
  686. report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20;
  687. report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40;
  688. report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver
  689. report->field[2]->value[0] = data_pointer->sensitivity;
  690. report->field[3]->value[0] = data_pointer->press_speed;
  691. hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
  692. return 0;
  693. }
  694. static ssize_t attr_press_to_select_show_tpkbd(struct device *dev,
  695. struct device_attribute *attr,
  696. char *buf)
  697. {
  698. struct hid_device *hdev = to_hid_device(dev);
  699. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  700. return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select);
  701. }
  702. static ssize_t attr_press_to_select_store_tpkbd(struct device *dev,
  703. struct device_attribute *attr,
  704. const char *buf,
  705. size_t count)
  706. {
  707. struct hid_device *hdev = to_hid_device(dev);
  708. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  709. int value;
  710. if (kstrtoint(buf, 10, &value))
  711. return -EINVAL;
  712. if (value < 0 || value > 1)
  713. return -EINVAL;
  714. data_pointer->press_to_select = value;
  715. lenovo_features_set_tpkbd(hdev);
  716. return count;
  717. }
  718. static ssize_t attr_dragging_show_tpkbd(struct device *dev,
  719. struct device_attribute *attr,
  720. char *buf)
  721. {
  722. struct hid_device *hdev = to_hid_device(dev);
  723. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  724. return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging);
  725. }
  726. static ssize_t attr_dragging_store_tpkbd(struct device *dev,
  727. struct device_attribute *attr,
  728. const char *buf,
  729. size_t count)
  730. {
  731. struct hid_device *hdev = to_hid_device(dev);
  732. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  733. int value;
  734. if (kstrtoint(buf, 10, &value))
  735. return -EINVAL;
  736. if (value < 0 || value > 1)
  737. return -EINVAL;
  738. data_pointer->dragging = value;
  739. lenovo_features_set_tpkbd(hdev);
  740. return count;
  741. }
  742. static ssize_t attr_release_to_select_show_tpkbd(struct device *dev,
  743. struct device_attribute *attr,
  744. char *buf)
  745. {
  746. struct hid_device *hdev = to_hid_device(dev);
  747. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  748. return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select);
  749. }
  750. static ssize_t attr_release_to_select_store_tpkbd(struct device *dev,
  751. struct device_attribute *attr,
  752. const char *buf,
  753. size_t count)
  754. {
  755. struct hid_device *hdev = to_hid_device(dev);
  756. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  757. int value;
  758. if (kstrtoint(buf, 10, &value))
  759. return -EINVAL;
  760. if (value < 0 || value > 1)
  761. return -EINVAL;
  762. data_pointer->release_to_select = value;
  763. lenovo_features_set_tpkbd(hdev);
  764. return count;
  765. }
  766. static ssize_t attr_select_right_show_tpkbd(struct device *dev,
  767. struct device_attribute *attr,
  768. char *buf)
  769. {
  770. struct hid_device *hdev = to_hid_device(dev);
  771. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  772. return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right);
  773. }
  774. static ssize_t attr_select_right_store_tpkbd(struct device *dev,
  775. struct device_attribute *attr,
  776. const char *buf,
  777. size_t count)
  778. {
  779. struct hid_device *hdev = to_hid_device(dev);
  780. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  781. int value;
  782. if (kstrtoint(buf, 10, &value))
  783. return -EINVAL;
  784. if (value < 0 || value > 1)
  785. return -EINVAL;
  786. data_pointer->select_right = value;
  787. lenovo_features_set_tpkbd(hdev);
  788. return count;
  789. }
  790. static ssize_t attr_sensitivity_show_tpkbd(struct device *dev,
  791. struct device_attribute *attr,
  792. char *buf)
  793. {
  794. struct hid_device *hdev = to_hid_device(dev);
  795. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  796. return snprintf(buf, PAGE_SIZE, "%u\n",
  797. data_pointer->sensitivity);
  798. }
  799. static ssize_t attr_sensitivity_store_tpkbd(struct device *dev,
  800. struct device_attribute *attr,
  801. const char *buf,
  802. size_t count)
  803. {
  804. struct hid_device *hdev = to_hid_device(dev);
  805. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  806. int value;
  807. if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
  808. return -EINVAL;
  809. data_pointer->sensitivity = value;
  810. lenovo_features_set_tpkbd(hdev);
  811. return count;
  812. }
  813. static ssize_t attr_press_speed_show_tpkbd(struct device *dev,
  814. struct device_attribute *attr,
  815. char *buf)
  816. {
  817. struct hid_device *hdev = to_hid_device(dev);
  818. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  819. return snprintf(buf, PAGE_SIZE, "%u\n",
  820. data_pointer->press_speed);
  821. }
  822. static ssize_t attr_press_speed_store_tpkbd(struct device *dev,
  823. struct device_attribute *attr,
  824. const char *buf,
  825. size_t count)
  826. {
  827. struct hid_device *hdev = to_hid_device(dev);
  828. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  829. int value;
  830. if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
  831. return -EINVAL;
  832. data_pointer->press_speed = value;
  833. lenovo_features_set_tpkbd(hdev);
  834. return count;
  835. }
  836. static struct device_attribute dev_attr_press_to_select_tpkbd =
  837. __ATTR(press_to_select, S_IWUSR | S_IRUGO,
  838. attr_press_to_select_show_tpkbd,
  839. attr_press_to_select_store_tpkbd);
  840. static struct device_attribute dev_attr_dragging_tpkbd =
  841. __ATTR(dragging, S_IWUSR | S_IRUGO,
  842. attr_dragging_show_tpkbd,
  843. attr_dragging_store_tpkbd);
  844. static struct device_attribute dev_attr_release_to_select_tpkbd =
  845. __ATTR(release_to_select, S_IWUSR | S_IRUGO,
  846. attr_release_to_select_show_tpkbd,
  847. attr_release_to_select_store_tpkbd);
  848. static struct device_attribute dev_attr_select_right_tpkbd =
  849. __ATTR(select_right, S_IWUSR | S_IRUGO,
  850. attr_select_right_show_tpkbd,
  851. attr_select_right_store_tpkbd);
  852. static struct device_attribute dev_attr_sensitivity_tpkbd =
  853. __ATTR(sensitivity, S_IWUSR | S_IRUGO,
  854. attr_sensitivity_show_tpkbd,
  855. attr_sensitivity_store_tpkbd);
  856. static struct device_attribute dev_attr_press_speed_tpkbd =
  857. __ATTR(press_speed, S_IWUSR | S_IRUGO,
  858. attr_press_speed_show_tpkbd,
  859. attr_press_speed_store_tpkbd);
  860. static struct attribute *lenovo_attributes_tpkbd[] = {
  861. &dev_attr_press_to_select_tpkbd.attr,
  862. &dev_attr_dragging_tpkbd.attr,
  863. &dev_attr_release_to_select_tpkbd.attr,
  864. &dev_attr_select_right_tpkbd.attr,
  865. &dev_attr_sensitivity_tpkbd.attr,
  866. &dev_attr_press_speed_tpkbd.attr,
  867. NULL
  868. };
  869. static const struct attribute_group lenovo_attr_group_tpkbd = {
  870. .attrs = lenovo_attributes_tpkbd,
  871. };
  872. static void lenovo_led_set_tpkbd(struct hid_device *hdev)
  873. {
  874. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  875. struct hid_report *report;
  876. report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3];
  877. report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1;
  878. report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1;
  879. hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
  880. }
  881. static int lenovo_led_brightness_set(struct led_classdev *led_cdev,
  882. enum led_brightness value)
  883. {
  884. struct device *dev = led_cdev->dev->parent;
  885. struct hid_device *hdev = to_hid_device(dev);
  886. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  887. static const u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED };
  888. int led_nr = 0;
  889. int ret = 0;
  890. if (led_cdev == &data_pointer->led_micmute)
  891. led_nr = 1;
  892. if (value == LED_OFF)
  893. data_pointer->led_state &= ~(1 << led_nr);
  894. else
  895. data_pointer->led_state |= 1 << led_nr;
  896. switch (hdev->product) {
  897. case USB_DEVICE_ID_LENOVO_TPKBD:
  898. lenovo_led_set_tpkbd(hdev);
  899. break;
  900. case USB_DEVICE_ID_LENOVO_TP10UBKBD:
  901. case USB_DEVICE_ID_LENOVO_X1_TAB:
  902. ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value);
  903. break;
  904. }
  905. return ret;
  906. }
  907. static int lenovo_register_leds(struct hid_device *hdev)
  908. {
  909. struct lenovo_drvdata *data = hid_get_drvdata(hdev);
  910. size_t name_sz = strlen(dev_name(&hdev->dev)) + 16;
  911. char *name_mute, *name_micm;
  912. int ret;
  913. name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
  914. name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
  915. if (name_mute == NULL || name_micm == NULL) {
  916. hid_err(hdev, "Could not allocate memory for led data\n");
  917. return -ENOMEM;
  918. }
  919. snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev));
  920. snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev));
  921. data->led_mute.name = name_mute;
  922. data->led_mute.default_trigger = "audio-mute";
  923. data->led_mute.brightness_set_blocking = lenovo_led_brightness_set;
  924. data->led_mute.max_brightness = 1;
  925. data->led_mute.flags = LED_HW_PLUGGABLE;
  926. data->led_mute.dev = &hdev->dev;
  927. ret = led_classdev_register(&hdev->dev, &data->led_mute);
  928. if (ret < 0)
  929. return ret;
  930. data->led_micmute.name = name_micm;
  931. data->led_micmute.default_trigger = "audio-micmute";
  932. data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set;
  933. data->led_micmute.max_brightness = 1;
  934. data->led_micmute.flags = LED_HW_PLUGGABLE;
  935. data->led_micmute.dev = &hdev->dev;
  936. ret = led_classdev_register(&hdev->dev, &data->led_micmute);
  937. if (ret < 0) {
  938. led_classdev_unregister(&data->led_mute);
  939. return ret;
  940. }
  941. return 0;
  942. }
  943. static int lenovo_probe_tpkbd(struct hid_device *hdev)
  944. {
  945. struct lenovo_drvdata *data_pointer;
  946. int i, ret;
  947. /*
  948. * Only register extra settings against subdevice where input_mapping
  949. * set drvdata to 1, i.e. the trackpoint.
  950. */
  951. if (!hid_get_drvdata(hdev))
  952. return 0;
  953. hid_set_drvdata(hdev, NULL);
  954. /* Validate required reports. */
  955. for (i = 0; i < 4; i++) {
  956. if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1))
  957. return -ENODEV;
  958. }
  959. if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2))
  960. return -ENODEV;
  961. ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
  962. if (ret)
  963. hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
  964. data_pointer = devm_kzalloc(&hdev->dev,
  965. sizeof(struct lenovo_drvdata),
  966. GFP_KERNEL);
  967. if (data_pointer == NULL) {
  968. hid_err(hdev, "Could not allocate memory for driver data\n");
  969. ret = -ENOMEM;
  970. goto err;
  971. }
  972. // set same default values as windows driver
  973. data_pointer->sensitivity = 0xa0;
  974. data_pointer->press_speed = 0x38;
  975. hid_set_drvdata(hdev, data_pointer);
  976. ret = lenovo_register_leds(hdev);
  977. if (ret)
  978. goto err;
  979. lenovo_features_set_tpkbd(hdev);
  980. return 0;
  981. err:
  982. sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
  983. return ret;
  984. }
  985. static int lenovo_probe_cptkbd(struct hid_device *hdev)
  986. {
  987. int ret;
  988. struct lenovo_drvdata *cptkbd_data;
  989. /* All the custom action happens on the USBMOUSE device for USB */
  990. if (((hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD) ||
  991. (hdev->product == USB_DEVICE_ID_LENOVO_TPIIUSBKBD)) &&
  992. hdev->type != HID_TYPE_USBMOUSE) {
  993. hid_dbg(hdev, "Ignoring keyboard half of device\n");
  994. return 0;
  995. }
  996. cptkbd_data = devm_kzalloc(&hdev->dev,
  997. sizeof(*cptkbd_data),
  998. GFP_KERNEL);
  999. if (cptkbd_data == NULL) {
  1000. hid_err(hdev, "can't alloc keyboard descriptor\n");
  1001. return -ENOMEM;
  1002. }
  1003. hid_set_drvdata(hdev, cptkbd_data);
  1004. /* Set keyboard settings to known state */
  1005. cptkbd_data->middlebutton_state = 0;
  1006. cptkbd_data->fn_lock = true;
  1007. cptkbd_data->sensitivity = 0x05;
  1008. lenovo_features_set_cptkbd(hdev);
  1009. ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd);
  1010. if (ret)
  1011. hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
  1012. return 0;
  1013. }
  1014. static struct attribute *lenovo_attributes_tp10ubkbd[] = {
  1015. &dev_attr_fn_lock.attr,
  1016. NULL
  1017. };
  1018. static const struct attribute_group lenovo_attr_group_tp10ubkbd = {
  1019. .attrs = lenovo_attributes_tp10ubkbd,
  1020. };
  1021. static int lenovo_probe_tp10ubkbd(struct hid_device *hdev)
  1022. {
  1023. struct hid_report_enum *rep_enum;
  1024. struct lenovo_drvdata *data;
  1025. struct hid_report *rep;
  1026. bool found;
  1027. int ret;
  1028. /*
  1029. * The LEDs and the Fn-lock functionality use output report 9,
  1030. * with an application of 0xffa0001, add the LEDs on the interface
  1031. * with this output report.
  1032. */
  1033. found = false;
  1034. rep_enum = &hdev->report_enum[HID_OUTPUT_REPORT];
  1035. list_for_each_entry(rep, &rep_enum->report_list, list) {
  1036. if (rep->application == 0xffa00001)
  1037. found = true;
  1038. }
  1039. if (!found)
  1040. return 0;
  1041. data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL);
  1042. if (!data)
  1043. return -ENOMEM;
  1044. mutex_init(&data->led_report_mutex);
  1045. INIT_WORK(&data->fn_lock_sync_work, lenovo_tp10ubkbd_sync_fn_lock);
  1046. data->hdev = hdev;
  1047. hid_set_drvdata(hdev, data);
  1048. /*
  1049. * The Thinkpad 10 ultrabook USB kbd dock's Fn-lock defaults to on.
  1050. * We cannot read the state, only set it, so we force it to on here
  1051. * (which should be a no-op) to make sure that our state matches the
  1052. * keyboard's FN-lock state. This is the same as what Windows does.
  1053. */
  1054. data->fn_lock = true;
  1055. lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock);
  1056. ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
  1057. if (ret)
  1058. return ret;
  1059. ret = lenovo_register_leds(hdev);
  1060. if (ret)
  1061. goto err;
  1062. return 0;
  1063. err:
  1064. sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
  1065. return ret;
  1066. }
  1067. static int lenovo_probe(struct hid_device *hdev,
  1068. const struct hid_device_id *id)
  1069. {
  1070. int ret;
  1071. ret = hid_parse(hdev);
  1072. if (ret) {
  1073. hid_err(hdev, "hid_parse failed\n");
  1074. goto err;
  1075. }
  1076. ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
  1077. if (ret) {
  1078. hid_err(hdev, "hid_hw_start failed\n");
  1079. goto err;
  1080. }
  1081. switch (hdev->product) {
  1082. case USB_DEVICE_ID_LENOVO_TPKBD:
  1083. ret = lenovo_probe_tpkbd(hdev);
  1084. break;
  1085. case USB_DEVICE_ID_LENOVO_CUSBKBD:
  1086. case USB_DEVICE_ID_LENOVO_CBTKBD:
  1087. case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
  1088. case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
  1089. ret = lenovo_probe_cptkbd(hdev);
  1090. break;
  1091. case USB_DEVICE_ID_LENOVO_TP10UBKBD:
  1092. case USB_DEVICE_ID_LENOVO_X1_TAB:
  1093. ret = lenovo_probe_tp10ubkbd(hdev);
  1094. break;
  1095. default:
  1096. ret = 0;
  1097. break;
  1098. }
  1099. if (ret)
  1100. goto err_hid;
  1101. return 0;
  1102. err_hid:
  1103. hid_hw_stop(hdev);
  1104. err:
  1105. return ret;
  1106. }
  1107. #ifdef CONFIG_PM
  1108. static int lenovo_reset_resume(struct hid_device *hdev)
  1109. {
  1110. switch (hdev->product) {
  1111. case USB_DEVICE_ID_LENOVO_CUSBKBD:
  1112. case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
  1113. if (hdev->type == HID_TYPE_USBMOUSE)
  1114. lenovo_features_set_cptkbd(hdev);
  1115. break;
  1116. default:
  1117. break;
  1118. }
  1119. return 0;
  1120. }
  1121. #endif
  1122. static void lenovo_remove_tpkbd(struct hid_device *hdev)
  1123. {
  1124. struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
  1125. /*
  1126. * Only the trackpoint half of the keyboard has drvdata and stuff that
  1127. * needs unregistering.
  1128. */
  1129. if (data_pointer == NULL)
  1130. return;
  1131. sysfs_remove_group(&hdev->dev.kobj,
  1132. &lenovo_attr_group_tpkbd);
  1133. led_classdev_unregister(&data_pointer->led_micmute);
  1134. led_classdev_unregister(&data_pointer->led_mute);
  1135. }
  1136. static void lenovo_remove_cptkbd(struct hid_device *hdev)
  1137. {
  1138. sysfs_remove_group(&hdev->dev.kobj,
  1139. &lenovo_attr_group_cptkbd);
  1140. }
  1141. static void lenovo_remove_tp10ubkbd(struct hid_device *hdev)
  1142. {
  1143. struct lenovo_drvdata *data = hid_get_drvdata(hdev);
  1144. if (data == NULL)
  1145. return;
  1146. led_classdev_unregister(&data->led_micmute);
  1147. led_classdev_unregister(&data->led_mute);
  1148. sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
  1149. cancel_work_sync(&data->fn_lock_sync_work);
  1150. }
  1151. static void lenovo_remove(struct hid_device *hdev)
  1152. {
  1153. switch (hdev->product) {
  1154. case USB_DEVICE_ID_LENOVO_TPKBD:
  1155. lenovo_remove_tpkbd(hdev);
  1156. break;
  1157. case USB_DEVICE_ID_LENOVO_CUSBKBD:
  1158. case USB_DEVICE_ID_LENOVO_CBTKBD:
  1159. case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
  1160. case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
  1161. lenovo_remove_cptkbd(hdev);
  1162. break;
  1163. case USB_DEVICE_ID_LENOVO_TP10UBKBD:
  1164. case USB_DEVICE_ID_LENOVO_X1_TAB:
  1165. lenovo_remove_tp10ubkbd(hdev);
  1166. break;
  1167. }
  1168. hid_hw_stop(hdev);
  1169. }
  1170. static int lenovo_input_configured(struct hid_device *hdev,
  1171. struct hid_input *hi)
  1172. {
  1173. switch (hdev->product) {
  1174. case USB_DEVICE_ID_LENOVO_TPKBD:
  1175. case USB_DEVICE_ID_LENOVO_CUSBKBD:
  1176. case USB_DEVICE_ID_LENOVO_CBTKBD:
  1177. case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
  1178. case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
  1179. if (test_bit(EV_REL, hi->input->evbit)) {
  1180. /* set only for trackpoint device */
  1181. __set_bit(INPUT_PROP_POINTER, hi->input->propbit);
  1182. __set_bit(INPUT_PROP_POINTING_STICK,
  1183. hi->input->propbit);
  1184. }
  1185. break;
  1186. }
  1187. return 0;
  1188. }
  1189. static const struct hid_device_id lenovo_devices[] = {
  1190. { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
  1191. { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
  1192. { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIUSBKBD) },
  1193. { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
  1194. { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIBTKBD) },
  1195. { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
  1196. { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) },
  1197. { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) },
  1198. { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) },
  1199. { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) },
  1200. { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) },
  1201. { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) },
  1202. { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) },
  1203. /*
  1204. * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard
  1205. * part, while letting hid-multitouch.c handle the touchpad and trackpoint.
  1206. */
  1207. { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
  1208. USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) },
  1209. { }
  1210. };
  1211. MODULE_DEVICE_TABLE(hid, lenovo_devices);
  1212. static struct hid_driver lenovo_driver = {
  1213. .name = "lenovo",
  1214. .id_table = lenovo_devices,
  1215. .input_configured = lenovo_input_configured,
  1216. .input_mapping = lenovo_input_mapping,
  1217. .probe = lenovo_probe,
  1218. .remove = lenovo_remove,
  1219. .raw_event = lenovo_raw_event,
  1220. .event = lenovo_event,
  1221. .report_fixup = lenovo_report_fixup,
  1222. #ifdef CONFIG_PM
  1223. .reset_resume = lenovo_reset_resume,
  1224. #endif
  1225. };
  1226. module_hid_driver(lenovo_driver);
  1227. MODULE_LICENSE("GPL");