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Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +01001/*
Jamie Lentin6a5b4142014-07-23 23:30:46 +01002 * HID driver for Lenovo:
3 * - ThinkPad USB Keyboard with TrackPoint (tpkbd)
Jamie Lentinf3d4ff02014-07-23 23:30:48 +01004 * - ThinkPad Compact Bluetooth Keyboard with TrackPoint (cptkbd)
5 * - ThinkPad Compact USB Keyboard with TrackPoint (cptkbd)
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +01006 *
7 * Copyright (c) 2012 Bernhard Seibold
Jamie Lentinf3d4ff02014-07-23 23:30:48 +01008 * Copyright (c) 2014 Jamie Lentin <jm@lentin.co.uk>
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +01009 */
10
11/*
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the Free
14 * Software Foundation; either version 2 of the License, or (at your option)
15 * any later version.
16 */
17
18#include <linux/module.h>
19#include <linux/sysfs.h>
20#include <linux/device.h>
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +010021#include <linux/hid.h>
22#include <linux/input.h>
23#include <linux/leds.h>
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +010024
25#include "hid-ids.h"
26
Jamie Lentin94723bf2014-07-23 23:30:45 +010027struct lenovo_drvdata_tpkbd {
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +010028 int led_state;
29 struct led_classdev led_mute;
30 struct led_classdev led_micmute;
31 int press_to_select;
32 int dragging;
33 int release_to_select;
34 int select_right;
35 int sensitivity;
36 int press_speed;
37};
38
Jamie Lentinf3d4ff02014-07-23 23:30:48 +010039struct lenovo_drvdata_cptkbd {
40 bool fn_lock;
Jamie Lentine3cb0ac2014-12-16 21:26:45 +000041 int sensitivity;
Jamie Lentinf3d4ff02014-07-23 23:30:48 +010042};
43
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +010044#define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
45
Jamie Lentin94723bf2014-07-23 23:30:45 +010046static int lenovo_input_mapping_tpkbd(struct hid_device *hdev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +010047 struct hid_input *hi, struct hid_field *field,
48 struct hid_usage *usage, unsigned long **bit, int *max)
49{
Benjamin Tissoires0c521832013-09-11 22:12:24 +020050 if (usage->hid == (HID_UP_BUTTON | 0x0010)) {
Jamie Lentin6a5b4142014-07-23 23:30:46 +010051 /* This sub-device contains trackpoint, mark it */
Benjamin Tissoires0c521832013-09-11 22:12:24 +020052 hid_set_drvdata(hdev, (void *)1);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +010053 map_key_clear(KEY_MICMUTE);
54 return 1;
55 }
56 return 0;
57}
58
Jamie Lentinf3d4ff02014-07-23 23:30:48 +010059static int lenovo_input_mapping_cptkbd(struct hid_device *hdev,
60 struct hid_input *hi, struct hid_field *field,
61 struct hid_usage *usage, unsigned long **bit, int *max)
62{
63 /* HID_UP_LNVENDOR = USB, HID_UP_MSVENDOR = BT */
64 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR ||
65 (usage->hid & HID_USAGE_PAGE) == HID_UP_LNVENDOR) {
Jamie Lentinf3d4ff02014-07-23 23:30:48 +010066 switch (usage->hid & HID_USAGE) {
67 case 0x00f1: /* Fn-F4: Mic mute */
68 map_key_clear(KEY_MICMUTE);
69 return 1;
70 case 0x00f2: /* Fn-F5: Brightness down */
71 map_key_clear(KEY_BRIGHTNESSDOWN);
72 return 1;
73 case 0x00f3: /* Fn-F6: Brightness up */
74 map_key_clear(KEY_BRIGHTNESSUP);
75 return 1;
76 case 0x00f4: /* Fn-F7: External display (projector) */
77 map_key_clear(KEY_SWITCHVIDEOMODE);
78 return 1;
79 case 0x00f5: /* Fn-F8: Wireless */
80 map_key_clear(KEY_WLAN);
81 return 1;
82 case 0x00f6: /* Fn-F9: Control panel */
83 map_key_clear(KEY_CONFIG);
84 return 1;
85 case 0x00f8: /* Fn-F11: View open applications (3 boxes) */
86 map_key_clear(KEY_SCALE);
87 return 1;
Jamie Lentin5556eb12014-11-09 07:54:29 +000088 case 0x00f9: /* Fn-F12: Open My computer (6 boxes) USB-only */
Jamie Lentinf3d4ff02014-07-23 23:30:48 +010089 /* NB: This mapping is invented in raw_event below */
90 map_key_clear(KEY_FILE);
91 return 1;
Jamie Lentin5556eb12014-11-09 07:54:29 +000092 case 0x00fa: /* Fn-Esc: Fn-lock toggle */
93 map_key_clear(KEY_FN_ESC);
94 return 1;
Jamie Lentin94eefa22014-12-16 21:26:46 +000095 case 0x00fb: /* Middle mouse button (in native mode) */
96 map_key_clear(BTN_MIDDLE);
97 return 1;
98 }
99 }
100
101 /* Compatibility middle/wheel mappings should be ignored */
102 if (usage->hid == HID_GD_WHEEL)
103 return -1;
104 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON &&
105 (usage->hid & HID_USAGE) == 0x003)
106 return -1;
107 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER &&
108 (usage->hid & HID_USAGE) == 0x238)
109 return -1;
110
111 /* Map wheel emulation reports: 0xffa1 = USB, 0xff10 = BT */
112 if ((usage->hid & HID_USAGE_PAGE) == 0xff100000 ||
113 (usage->hid & HID_USAGE_PAGE) == 0xffa10000) {
114 field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE;
115 field->logical_minimum = -127;
116 field->logical_maximum = 127;
117
118 switch (usage->hid & HID_USAGE) {
119 case 0x0000:
120 hid_map_usage(hi, usage, bit, max, EV_REL, 0x06);
121 return 1;
122 case 0x0001:
123 hid_map_usage(hi, usage, bit, max, EV_REL, 0x08);
124 return 1;
125 default:
126 return -1;
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100127 }
128 }
129
130 return 0;
131}
132
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100133static int lenovo_input_mapping(struct hid_device *hdev,
134 struct hid_input *hi, struct hid_field *field,
135 struct hid_usage *usage, unsigned long **bit, int *max)
136{
137 switch (hdev->product) {
138 case USB_DEVICE_ID_LENOVO_TPKBD:
139 return lenovo_input_mapping_tpkbd(hdev, hi, field,
140 usage, bit, max);
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100141 case USB_DEVICE_ID_LENOVO_CUSBKBD:
142 case USB_DEVICE_ID_LENOVO_CBTKBD:
143 return lenovo_input_mapping_cptkbd(hdev, hi, field,
144 usage, bit, max);
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100145 default:
146 return 0;
147 }
148}
149
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100150#undef map_key_clear
151
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100152/* Send a config command to the keyboard */
153static int lenovo_send_cmd_cptkbd(struct hid_device *hdev,
154 unsigned char byte2, unsigned char byte3)
155{
156 int ret;
157 unsigned char buf[] = {0x18, byte2, byte3};
158
159 switch (hdev->product) {
160 case USB_DEVICE_ID_LENOVO_CUSBKBD:
161 ret = hid_hw_raw_request(hdev, 0x13, buf, sizeof(buf),
162 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
163 break;
164 case USB_DEVICE_ID_LENOVO_CBTKBD:
165 ret = hid_hw_output_report(hdev, buf, sizeof(buf));
166 break;
167 default:
168 ret = -EINVAL;
169 break;
170 }
171
172 return ret < 0 ? ret : 0; /* BT returns 0, USB returns sizeof(buf) */
173}
174
175static void lenovo_features_set_cptkbd(struct hid_device *hdev)
176{
177 int ret;
178 struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
179
180 ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock);
Jamie Lentine3cb0ac2014-12-16 21:26:45 +0000181 ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity);
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100182 if (ret)
183 hid_err(hdev, "Fn-lock setting failed: %d\n", ret);
184}
185
186static ssize_t attr_fn_lock_show_cptkbd(struct device *dev,
187 struct device_attribute *attr,
188 char *buf)
189{
190 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
191 struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
192
193 return snprintf(buf, PAGE_SIZE, "%u\n", cptkbd_data->fn_lock);
194}
195
196static ssize_t attr_fn_lock_store_cptkbd(struct device *dev,
197 struct device_attribute *attr,
198 const char *buf,
199 size_t count)
200{
201 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
202 struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
203 int value;
204
205 if (kstrtoint(buf, 10, &value))
206 return -EINVAL;
207 if (value < 0 || value > 1)
208 return -EINVAL;
209
210 cptkbd_data->fn_lock = !!value;
211 lenovo_features_set_cptkbd(hdev);
212
213 return count;
214}
215
Jamie Lentine3cb0ac2014-12-16 21:26:45 +0000216static ssize_t attr_sensitivity_show_cptkbd(struct device *dev,
217 struct device_attribute *attr,
218 char *buf)
219{
220 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
221 struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
222
223 return snprintf(buf, PAGE_SIZE, "%u\n",
224 cptkbd_data->sensitivity);
225}
226
227static ssize_t attr_sensitivity_store_cptkbd(struct device *dev,
228 struct device_attribute *attr,
229 const char *buf,
230 size_t count)
231{
232 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
233 struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
234 int value;
235
236 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
237 return -EINVAL;
238
239 cptkbd_data->sensitivity = value;
240 lenovo_features_set_cptkbd(hdev);
241
242 return count;
243}
244
245
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100246static struct device_attribute dev_attr_fn_lock_cptkbd =
247 __ATTR(fn_lock, S_IWUSR | S_IRUGO,
248 attr_fn_lock_show_cptkbd,
249 attr_fn_lock_store_cptkbd);
250
Jamie Lentine3cb0ac2014-12-16 21:26:45 +0000251static struct device_attribute dev_attr_sensitivity_cptkbd =
252 __ATTR(sensitivity, S_IWUSR | S_IRUGO,
253 attr_sensitivity_show_cptkbd,
254 attr_sensitivity_store_cptkbd);
255
256
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100257static struct attribute *lenovo_attributes_cptkbd[] = {
258 &dev_attr_fn_lock_cptkbd.attr,
Jamie Lentine3cb0ac2014-12-16 21:26:45 +0000259 &dev_attr_sensitivity_cptkbd.attr,
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100260 NULL
261};
262
263static const struct attribute_group lenovo_attr_group_cptkbd = {
264 .attrs = lenovo_attributes_cptkbd,
265};
266
267static int lenovo_raw_event(struct hid_device *hdev,
268 struct hid_report *report, u8 *data, int size)
269{
270 /*
271 * Compact USB keyboard's Fn-F12 report holds down many other keys, and
272 * its own key is outside the usage page range. Remove extra
273 * keypresses and remap to inside usage page.
274 */
275 if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
276 && size == 3
277 && data[0] == 0x15
278 && data[1] == 0x94
279 && data[2] == 0x01)) {
Jamie Lentin5556eb12014-11-09 07:54:29 +0000280 data[1] = 0x00;
281 data[2] = 0x01;
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100282 }
283
284 return 0;
285}
286
Jamie Lentin94723bf2014-07-23 23:30:45 +0100287static int lenovo_features_set_tpkbd(struct hid_device *hdev)
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100288{
289 struct hid_report *report;
Jamie Lentin94723bf2014-07-23 23:30:45 +0100290 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100291
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100292 report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4];
293
294 report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02;
295 report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08;
296 report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20;
297 report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40;
298 report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver
299 report->field[2]->value[0] = data_pointer->sensitivity;
300 report->field[3]->value[0] = data_pointer->press_speed;
301
Benjamin Tissoiresd88142722013-02-25 11:31:46 +0100302 hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100303 return 0;
304}
305
Jamie Lentin94723bf2014-07-23 23:30:45 +0100306static ssize_t attr_press_to_select_show_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100307 struct device_attribute *attr,
308 char *buf)
309{
Axel Lin832fbea2012-09-13 14:12:08 +0800310 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100311 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100312
313 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select);
314}
315
Jamie Lentin94723bf2014-07-23 23:30:45 +0100316static ssize_t attr_press_to_select_store_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100317 struct device_attribute *attr,
318 const char *buf,
319 size_t count)
320{
Axel Lin832fbea2012-09-13 14:12:08 +0800321 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100322 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100323 int value;
324
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100325 if (kstrtoint(buf, 10, &value))
326 return -EINVAL;
327 if (value < 0 || value > 1)
328 return -EINVAL;
329
330 data_pointer->press_to_select = value;
Jamie Lentin94723bf2014-07-23 23:30:45 +0100331 lenovo_features_set_tpkbd(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100332
333 return count;
334}
335
Jamie Lentin94723bf2014-07-23 23:30:45 +0100336static ssize_t attr_dragging_show_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100337 struct device_attribute *attr,
338 char *buf)
339{
Axel Lin832fbea2012-09-13 14:12:08 +0800340 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100341 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100342
343 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging);
344}
345
Jamie Lentin94723bf2014-07-23 23:30:45 +0100346static ssize_t attr_dragging_store_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100347 struct device_attribute *attr,
348 const char *buf,
349 size_t count)
350{
Axel Lin832fbea2012-09-13 14:12:08 +0800351 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100352 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100353 int value;
354
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100355 if (kstrtoint(buf, 10, &value))
356 return -EINVAL;
357 if (value < 0 || value > 1)
358 return -EINVAL;
359
360 data_pointer->dragging = value;
Jamie Lentin94723bf2014-07-23 23:30:45 +0100361 lenovo_features_set_tpkbd(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100362
363 return count;
364}
365
Jamie Lentin94723bf2014-07-23 23:30:45 +0100366static ssize_t attr_release_to_select_show_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100367 struct device_attribute *attr,
368 char *buf)
369{
Axel Lin832fbea2012-09-13 14:12:08 +0800370 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100371 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100372
373 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select);
374}
375
Jamie Lentin94723bf2014-07-23 23:30:45 +0100376static ssize_t attr_release_to_select_store_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100377 struct device_attribute *attr,
378 const char *buf,
379 size_t count)
380{
Axel Lin832fbea2012-09-13 14:12:08 +0800381 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100382 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100383 int value;
384
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100385 if (kstrtoint(buf, 10, &value))
386 return -EINVAL;
387 if (value < 0 || value > 1)
388 return -EINVAL;
389
390 data_pointer->release_to_select = value;
Jamie Lentin94723bf2014-07-23 23:30:45 +0100391 lenovo_features_set_tpkbd(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100392
393 return count;
394}
395
Jamie Lentin94723bf2014-07-23 23:30:45 +0100396static ssize_t attr_select_right_show_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100397 struct device_attribute *attr,
398 char *buf)
399{
Axel Lin832fbea2012-09-13 14:12:08 +0800400 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100401 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100402
403 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right);
404}
405
Jamie Lentin94723bf2014-07-23 23:30:45 +0100406static ssize_t attr_select_right_store_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100407 struct device_attribute *attr,
408 const char *buf,
409 size_t count)
410{
Axel Lin832fbea2012-09-13 14:12:08 +0800411 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100412 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100413 int value;
414
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100415 if (kstrtoint(buf, 10, &value))
416 return -EINVAL;
417 if (value < 0 || value > 1)
418 return -EINVAL;
419
420 data_pointer->select_right = value;
Jamie Lentin94723bf2014-07-23 23:30:45 +0100421 lenovo_features_set_tpkbd(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100422
423 return count;
424}
425
Jamie Lentin94723bf2014-07-23 23:30:45 +0100426static ssize_t attr_sensitivity_show_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100427 struct device_attribute *attr,
428 char *buf)
429{
Axel Lin832fbea2012-09-13 14:12:08 +0800430 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100431 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100432
433 return snprintf(buf, PAGE_SIZE, "%u\n",
434 data_pointer->sensitivity);
435}
436
Jamie Lentin94723bf2014-07-23 23:30:45 +0100437static ssize_t attr_sensitivity_store_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100438 struct device_attribute *attr,
439 const char *buf,
440 size_t count)
441{
Axel Lin832fbea2012-09-13 14:12:08 +0800442 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100443 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100444 int value;
445
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100446 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
447 return -EINVAL;
448
449 data_pointer->sensitivity = value;
Jamie Lentin94723bf2014-07-23 23:30:45 +0100450 lenovo_features_set_tpkbd(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100451
452 return count;
453}
454
Jamie Lentin94723bf2014-07-23 23:30:45 +0100455static ssize_t attr_press_speed_show_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100456 struct device_attribute *attr,
457 char *buf)
458{
Axel Lin832fbea2012-09-13 14:12:08 +0800459 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100460 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100461
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100462 return snprintf(buf, PAGE_SIZE, "%u\n",
463 data_pointer->press_speed);
464}
465
Jamie Lentin94723bf2014-07-23 23:30:45 +0100466static ssize_t attr_press_speed_store_tpkbd(struct device *dev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100467 struct device_attribute *attr,
468 const char *buf,
469 size_t count)
470{
Axel Lin832fbea2012-09-13 14:12:08 +0800471 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100472 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100473 int value;
474
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100475 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
476 return -EINVAL;
477
478 data_pointer->press_speed = value;
Jamie Lentin94723bf2014-07-23 23:30:45 +0100479 lenovo_features_set_tpkbd(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100480
481 return count;
482}
483
Jamie Lentin94723bf2014-07-23 23:30:45 +0100484static struct device_attribute dev_attr_press_to_select_tpkbd =
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100485 __ATTR(press_to_select, S_IWUSR | S_IRUGO,
Jamie Lentin94723bf2014-07-23 23:30:45 +0100486 attr_press_to_select_show_tpkbd,
487 attr_press_to_select_store_tpkbd);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100488
Jamie Lentin94723bf2014-07-23 23:30:45 +0100489static struct device_attribute dev_attr_dragging_tpkbd =
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100490 __ATTR(dragging, S_IWUSR | S_IRUGO,
Jamie Lentin94723bf2014-07-23 23:30:45 +0100491 attr_dragging_show_tpkbd,
492 attr_dragging_store_tpkbd);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100493
Jamie Lentin94723bf2014-07-23 23:30:45 +0100494static struct device_attribute dev_attr_release_to_select_tpkbd =
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100495 __ATTR(release_to_select, S_IWUSR | S_IRUGO,
Jamie Lentin94723bf2014-07-23 23:30:45 +0100496 attr_release_to_select_show_tpkbd,
497 attr_release_to_select_store_tpkbd);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100498
Jamie Lentin94723bf2014-07-23 23:30:45 +0100499static struct device_attribute dev_attr_select_right_tpkbd =
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100500 __ATTR(select_right, S_IWUSR | S_IRUGO,
Jamie Lentin94723bf2014-07-23 23:30:45 +0100501 attr_select_right_show_tpkbd,
502 attr_select_right_store_tpkbd);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100503
Jamie Lentin94723bf2014-07-23 23:30:45 +0100504static struct device_attribute dev_attr_sensitivity_tpkbd =
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100505 __ATTR(sensitivity, S_IWUSR | S_IRUGO,
Jamie Lentin94723bf2014-07-23 23:30:45 +0100506 attr_sensitivity_show_tpkbd,
507 attr_sensitivity_store_tpkbd);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100508
Jamie Lentin94723bf2014-07-23 23:30:45 +0100509static struct device_attribute dev_attr_press_speed_tpkbd =
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100510 __ATTR(press_speed, S_IWUSR | S_IRUGO,
Jamie Lentin94723bf2014-07-23 23:30:45 +0100511 attr_press_speed_show_tpkbd,
512 attr_press_speed_store_tpkbd);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100513
Jamie Lentin94723bf2014-07-23 23:30:45 +0100514static struct attribute *lenovo_attributes_tpkbd[] = {
515 &dev_attr_press_to_select_tpkbd.attr,
516 &dev_attr_dragging_tpkbd.attr,
517 &dev_attr_release_to_select_tpkbd.attr,
518 &dev_attr_select_right_tpkbd.attr,
519 &dev_attr_sensitivity_tpkbd.attr,
520 &dev_attr_press_speed_tpkbd.attr,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100521 NULL
522};
523
Jamie Lentin94723bf2014-07-23 23:30:45 +0100524static const struct attribute_group lenovo_attr_group_tpkbd = {
525 .attrs = lenovo_attributes_tpkbd,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100526};
527
Jamie Lentin94723bf2014-07-23 23:30:45 +0100528static enum led_brightness lenovo_led_brightness_get_tpkbd(
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100529 struct led_classdev *led_cdev)
530{
Axel Lin832fbea2012-09-13 14:12:08 +0800531 struct device *dev = led_cdev->dev->parent;
532 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100533 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100534 int led_nr = 0;
535
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100536 if (led_cdev == &data_pointer->led_micmute)
537 led_nr = 1;
538
539 return data_pointer->led_state & (1 << led_nr)
540 ? LED_FULL
541 : LED_OFF;
542}
543
Jamie Lentin94723bf2014-07-23 23:30:45 +0100544static void lenovo_led_brightness_set_tpkbd(struct led_classdev *led_cdev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100545 enum led_brightness value)
546{
Axel Lin832fbea2012-09-13 14:12:08 +0800547 struct device *dev = led_cdev->dev->parent;
548 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Jamie Lentin94723bf2014-07-23 23:30:45 +0100549 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100550 struct hid_report *report;
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100551 int led_nr = 0;
552
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100553 if (led_cdev == &data_pointer->led_micmute)
554 led_nr = 1;
555
556 if (value == LED_OFF)
557 data_pointer->led_state &= ~(1 << led_nr);
558 else
559 data_pointer->led_state |= 1 << led_nr;
560
561 report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3];
562 report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1;
563 report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1;
Benjamin Tissoiresd88142722013-02-25 11:31:46 +0100564 hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100565}
566
Jamie Lentin94723bf2014-07-23 23:30:45 +0100567static int lenovo_probe_tpkbd(struct hid_device *hdev)
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100568{
569 struct device *dev = &hdev->dev;
Jamie Lentin94723bf2014-07-23 23:30:45 +0100570 struct lenovo_drvdata_tpkbd *data_pointer;
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100571 size_t name_sz = strlen(dev_name(dev)) + 16;
572 char *name_mute, *name_micmute;
Benjamin Tissoires01ab35f2013-09-11 22:12:23 +0200573 int i;
Jamie Lentine0a6aad2014-07-26 15:42:27 +0100574 int ret;
Kees Cook0a9cd0a2013-09-11 21:56:55 +0200575
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100576 /*
577 * Only register extra settings against subdevice where input_mapping
578 * set drvdata to 1, i.e. the trackpoint.
579 */
580 if (!hid_get_drvdata(hdev))
581 return 0;
582
583 hid_set_drvdata(hdev, NULL);
584
Kees Cook0a9cd0a2013-09-11 21:56:55 +0200585 /* Validate required reports. */
586 for (i = 0; i < 4; i++) {
587 if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1))
588 return -ENODEV;
589 }
590 if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2))
591 return -ENODEV;
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100592
Jamie Lentine0a6aad2014-07-26 15:42:27 +0100593 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
594 if (ret)
595 hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100596
Benjamin Tissoires01ab35f2013-09-11 22:12:23 +0200597 data_pointer = devm_kzalloc(&hdev->dev,
Jamie Lentin94723bf2014-07-23 23:30:45 +0100598 sizeof(struct lenovo_drvdata_tpkbd),
Benjamin Tissoires01ab35f2013-09-11 22:12:23 +0200599 GFP_KERNEL);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100600 if (data_pointer == NULL) {
601 hid_err(hdev, "Could not allocate memory for driver data\n");
602 return -ENOMEM;
603 }
604
605 // set same default values as windows driver
606 data_pointer->sensitivity = 0xa0;
607 data_pointer->press_speed = 0x38;
608
Benjamin Tissoires01ab35f2013-09-11 22:12:23 +0200609 name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
610 name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
611 if (name_mute == NULL || name_micmute == NULL) {
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100612 hid_err(hdev, "Could not allocate memory for led data\n");
Benjamin Tissoires01ab35f2013-09-11 22:12:23 +0200613 return -ENOMEM;
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100614 }
615 snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev));
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100616 snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev));
617
618 hid_set_drvdata(hdev, data_pointer);
619
620 data_pointer->led_mute.name = name_mute;
Jamie Lentin94723bf2014-07-23 23:30:45 +0100621 data_pointer->led_mute.brightness_get = lenovo_led_brightness_get_tpkbd;
622 data_pointer->led_mute.brightness_set = lenovo_led_brightness_set_tpkbd;
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100623 data_pointer->led_mute.dev = dev;
624 led_classdev_register(dev, &data_pointer->led_mute);
625
626 data_pointer->led_micmute.name = name_micmute;
Jamie Lentin94723bf2014-07-23 23:30:45 +0100627 data_pointer->led_micmute.brightness_get =
628 lenovo_led_brightness_get_tpkbd;
629 data_pointer->led_micmute.brightness_set =
630 lenovo_led_brightness_set_tpkbd;
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100631 data_pointer->led_micmute.dev = dev;
632 led_classdev_register(dev, &data_pointer->led_micmute);
633
Jamie Lentin94723bf2014-07-23 23:30:45 +0100634 lenovo_features_set_tpkbd(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100635
636 return 0;
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100637}
638
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100639static int lenovo_probe_cptkbd(struct hid_device *hdev)
640{
641 int ret;
642 struct lenovo_drvdata_cptkbd *cptkbd_data;
643
644 /* All the custom action happens on the USBMOUSE device for USB */
645 if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
646 && hdev->type != HID_TYPE_USBMOUSE) {
647 hid_dbg(hdev, "Ignoring keyboard half of device\n");
648 return 0;
649 }
650
651 cptkbd_data = devm_kzalloc(&hdev->dev,
652 sizeof(*cptkbd_data),
653 GFP_KERNEL);
654 if (cptkbd_data == NULL) {
655 hid_err(hdev, "can't alloc keyboard descriptor\n");
656 return -ENOMEM;
657 }
658 hid_set_drvdata(hdev, cptkbd_data);
659
660 /*
661 * Tell the keyboard a driver understands it, and turn F7, F9, F11 into
662 * regular keys
663 */
664 ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03);
665 if (ret)
666 hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
667
Jamie Lentin94eefa22014-12-16 21:26:46 +0000668 /* Switch middle button to native mode */
669 ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01);
670 if (ret)
671 hid_warn(hdev, "Failed to switch middle button: %d\n", ret);
672
Jamie Lentine3cb0ac2014-12-16 21:26:45 +0000673 /* Set keyboard settings to known state */
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100674 cptkbd_data->fn_lock = true;
Jamie Lentine3cb0ac2014-12-16 21:26:45 +0000675 cptkbd_data->sensitivity = 0x05;
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100676 lenovo_features_set_cptkbd(hdev);
677
678 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd);
679 if (ret)
680 hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
681
682 return 0;
683}
684
Jamie Lentin94723bf2014-07-23 23:30:45 +0100685static int lenovo_probe(struct hid_device *hdev,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100686 const struct hid_device_id *id)
687{
688 int ret;
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100689
690 ret = hid_parse(hdev);
691 if (ret) {
692 hid_err(hdev, "hid_parse failed\n");
Benjamin Tissoires0ccdd9e2013-09-11 21:56:59 +0200693 goto err;
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100694 }
695
696 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
697 if (ret) {
698 hid_err(hdev, "hid_hw_start failed\n");
Benjamin Tissoires0ccdd9e2013-09-11 21:56:59 +0200699 goto err;
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100700 }
701
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100702 switch (hdev->product) {
703 case USB_DEVICE_ID_LENOVO_TPKBD:
Jamie Lentin94723bf2014-07-23 23:30:45 +0100704 ret = lenovo_probe_tpkbd(hdev);
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100705 break;
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100706 case USB_DEVICE_ID_LENOVO_CUSBKBD:
707 case USB_DEVICE_ID_LENOVO_CBTKBD:
708 ret = lenovo_probe_cptkbd(hdev);
709 break;
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100710 default:
711 ret = 0;
712 break;
Benjamin Tissoires0ccdd9e2013-09-11 21:56:59 +0200713 }
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100714 if (ret)
715 goto err_hid;
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100716
717 return 0;
Benjamin Tissoires0ccdd9e2013-09-11 21:56:59 +0200718err_hid:
719 hid_hw_stop(hdev);
720err:
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100721 return ret;
722}
723
Jamie Lentin94723bf2014-07-23 23:30:45 +0100724static void lenovo_remove_tpkbd(struct hid_device *hdev)
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100725{
Jamie Lentin94723bf2014-07-23 23:30:45 +0100726 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100727
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100728 /*
729 * Only the trackpoint half of the keyboard has drvdata and stuff that
730 * needs unregistering.
731 */
732 if (data_pointer == NULL)
733 return;
734
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100735 sysfs_remove_group(&hdev->dev.kobj,
Jamie Lentin94723bf2014-07-23 23:30:45 +0100736 &lenovo_attr_group_tpkbd);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100737
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100738 led_classdev_unregister(&data_pointer->led_micmute);
739 led_classdev_unregister(&data_pointer->led_mute);
740
741 hid_set_drvdata(hdev, NULL);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100742}
743
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100744static void lenovo_remove_cptkbd(struct hid_device *hdev)
745{
746 sysfs_remove_group(&hdev->dev.kobj,
747 &lenovo_attr_group_cptkbd);
748}
749
Jamie Lentin94723bf2014-07-23 23:30:45 +0100750static void lenovo_remove(struct hid_device *hdev)
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100751{
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100752 switch (hdev->product) {
753 case USB_DEVICE_ID_LENOVO_TPKBD:
Jamie Lentin94723bf2014-07-23 23:30:45 +0100754 lenovo_remove_tpkbd(hdev);
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100755 break;
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100756 case USB_DEVICE_ID_LENOVO_CUSBKBD:
757 case USB_DEVICE_ID_LENOVO_CBTKBD:
758 lenovo_remove_cptkbd(hdev);
759 break;
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100760 }
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100761
762 hid_hw_stop(hdev);
763}
764
Jamie Lentin94723bf2014-07-23 23:30:45 +0100765static const struct hid_device_id lenovo_devices[] = {
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100766 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100767 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
768 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100769 { }
770};
771
Jamie Lentin94723bf2014-07-23 23:30:45 +0100772MODULE_DEVICE_TABLE(hid, lenovo_devices);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100773
Jamie Lentin94723bf2014-07-23 23:30:45 +0100774static struct hid_driver lenovo_driver = {
775 .name = "lenovo",
776 .id_table = lenovo_devices,
Jamie Lentin6a5b4142014-07-23 23:30:46 +0100777 .input_mapping = lenovo_input_mapping,
Jamie Lentin94723bf2014-07-23 23:30:45 +0100778 .probe = lenovo_probe,
779 .remove = lenovo_remove,
Jamie Lentinf3d4ff02014-07-23 23:30:48 +0100780 .raw_event = lenovo_raw_event,
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100781};
Jamie Lentin94723bf2014-07-23 23:30:45 +0100782module_hid_driver(lenovo_driver);
Bernhard Seiboldc1dcad2d2012-02-15 13:40:43 +0100783
784MODULE_LICENSE("GPL");