This source file includes following definitions.
- ms_report_fixup
- ms_ergonomy_kb_quirk
- ms_presenter_8k_quirk
- ms_surface_dial_quirk
- ms_input_mapping
- ms_input_mapped
- ms_event
- ms_ff_worker
- ms_play_effect
- ms_init_ff
- ms_remove_ff
- ms_probe
- ms_remove
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15 #include <linux/device.h>
16 #include <linux/input.h>
17 #include <linux/hid.h>
18 #include <linux/module.h>
19
20 #include "hid-ids.h"
21
22 #define MS_HIDINPUT BIT(0)
23 #define MS_ERGONOMY BIT(1)
24 #define MS_PRESENTER BIT(2)
25 #define MS_RDESC BIT(3)
26 #define MS_NOGET BIT(4)
27 #define MS_DUPLICATE_USAGES BIT(5)
28 #define MS_SURFACE_DIAL BIT(6)
29 #define MS_QUIRK_FF BIT(7)
30
31 struct ms_data {
32 unsigned long quirks;
33 struct hid_device *hdev;
34 struct work_struct ff_worker;
35 __u8 strong;
36 __u8 weak;
37 void *output_report_dmabuf;
38 };
39
40 #define XB1S_FF_REPORT 3
41 #define ENABLE_WEAK BIT(0)
42 #define ENABLE_STRONG BIT(1)
43
44 enum {
45 MAGNITUDE_STRONG = 2,
46 MAGNITUDE_WEAK,
47 MAGNITUDE_NUM
48 };
49
50 struct xb1s_ff_report {
51 __u8 report_id;
52 __u8 enable;
53 __u8 magnitude[MAGNITUDE_NUM];
54 __u8 duration_10ms;
55 __u8 start_delay_10ms;
56 __u8 loop_count;
57 } __packed;
58
59 static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
60 unsigned int *rsize)
61 {
62 struct ms_data *ms = hid_get_drvdata(hdev);
63 unsigned long quirks = ms->quirks;
64
65
66
67
68
69 if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
70 rdesc[559] == 0x29) {
71 hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
72 rdesc[557] = 0x35;
73 rdesc[559] = 0x45;
74 }
75 return rdesc;
76 }
77
78 #define ms_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
79 EV_KEY, (c))
80 static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage,
81 unsigned long **bit, int *max)
82 {
83 struct input_dev *input = hi->input;
84
85 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
86 switch (usage->hid & HID_USAGE) {
87
88
89
90
91 case 0x29d:
92 ms_map_key_clear(KEY_PROG1);
93 return 1;
94 case 0x29e:
95 ms_map_key_clear(KEY_PROG2);
96 return 1;
97 }
98 return 0;
99 }
100
101 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
102 return 0;
103
104 switch (usage->hid & HID_USAGE) {
105 case 0xfd06: ms_map_key_clear(KEY_CHAT); break;
106 case 0xfd07: ms_map_key_clear(KEY_PHONE); break;
107 case 0xff00:
108
109 ms_map_key_clear(KEY_KPEQUAL);
110 set_bit(KEY_KPLEFTPAREN, input->keybit);
111 set_bit(KEY_KPRIGHTPAREN, input->keybit);
112 break;
113 case 0xff01:
114
115 hid_map_usage_clear(hi, usage, bit, max, EV_REL, REL_WHEEL);
116 break;
117 case 0xff02:
118
119
120
121
122
123
124
125
126 return -1;
127 case 0xff05:
128 set_bit(EV_REP, input->evbit);
129 ms_map_key_clear(KEY_F13);
130 set_bit(KEY_F14, input->keybit);
131 set_bit(KEY_F15, input->keybit);
132 set_bit(KEY_F16, input->keybit);
133 set_bit(KEY_F17, input->keybit);
134 set_bit(KEY_F18, input->keybit);
135 break;
136 default:
137 return 0;
138 }
139 return 1;
140 }
141
142 static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage,
143 unsigned long **bit, int *max)
144 {
145 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
146 return 0;
147
148 set_bit(EV_REP, hi->input->evbit);
149 switch (usage->hid & HID_USAGE) {
150 case 0xfd08: ms_map_key_clear(KEY_FORWARD); break;
151 case 0xfd09: ms_map_key_clear(KEY_BACK); break;
152 case 0xfd0b: ms_map_key_clear(KEY_PLAYPAUSE); break;
153 case 0xfd0e: ms_map_key_clear(KEY_CLOSE); break;
154 case 0xfd0f: ms_map_key_clear(KEY_PLAY); break;
155 default:
156 return 0;
157 }
158 return 1;
159 }
160
161 static int ms_surface_dial_quirk(struct hid_input *hi, struct hid_field *field,
162 struct hid_usage *usage, unsigned long **bit, int *max)
163 {
164 switch (usage->hid & HID_USAGE_PAGE) {
165 case 0xff070000:
166
167 case HID_UP_DIGITIZER:
168
169 return -1;
170 case HID_UP_GENDESK:
171 switch (usage->hid) {
172 case HID_GD_X:
173
174 case HID_GD_Y:
175
176 case HID_GD_RFKILL_BTN:
177
178 return -1;
179 }
180 }
181
182 return 0;
183 }
184
185 static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi,
186 struct hid_field *field, struct hid_usage *usage,
187 unsigned long **bit, int *max)
188 {
189 struct ms_data *ms = hid_get_drvdata(hdev);
190 unsigned long quirks = ms->quirks;
191
192 if (quirks & MS_ERGONOMY) {
193 int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max);
194 if (ret)
195 return ret;
196 }
197
198 if ((quirks & MS_PRESENTER) &&
199 ms_presenter_8k_quirk(hi, usage, bit, max))
200 return 1;
201
202 if (quirks & MS_SURFACE_DIAL) {
203 int ret = ms_surface_dial_quirk(hi, field, usage, bit, max);
204
205 if (ret)
206 return ret;
207 }
208
209 return 0;
210 }
211
212 static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi,
213 struct hid_field *field, struct hid_usage *usage,
214 unsigned long **bit, int *max)
215 {
216 struct ms_data *ms = hid_get_drvdata(hdev);
217 unsigned long quirks = ms->quirks;
218
219 if (quirks & MS_DUPLICATE_USAGES)
220 clear_bit(usage->code, *bit);
221
222 return 0;
223 }
224
225 static int ms_event(struct hid_device *hdev, struct hid_field *field,
226 struct hid_usage *usage, __s32 value)
227 {
228 struct ms_data *ms = hid_get_drvdata(hdev);
229 unsigned long quirks = ms->quirks;
230 struct input_dev *input;
231
232 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
233 !usage->type)
234 return 0;
235
236 input = field->hidinput->input;
237
238
239 if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff00)) {
240
241 input_report_key(input, KEY_KPEQUAL, value & 0x01);
242 input_report_key(input, KEY_KPLEFTPAREN, value & 0x02);
243 input_report_key(input, KEY_KPRIGHTPAREN, value & 0x04);
244 return 1;
245 }
246
247 if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff01)) {
248
249 int step = ((value & 0x60) >> 5) + 1;
250
251 switch (value & 0x1f) {
252 case 0x01:
253 input_report_rel(input, REL_WHEEL, step);
254 break;
255 case 0x1f:
256 input_report_rel(input, REL_WHEEL, -step);
257 break;
258 }
259 return 1;
260 }
261
262 if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
263 static unsigned int last_key = 0;
264 unsigned int key = 0;
265 switch (value) {
266 case 0x01: key = KEY_F14; break;
267 case 0x02: key = KEY_F15; break;
268 case 0x04: key = KEY_F16; break;
269 case 0x08: key = KEY_F17; break;
270 case 0x10: key = KEY_F18; break;
271 }
272 if (key) {
273 input_event(input, usage->type, key, 1);
274 last_key = key;
275 } else
276 input_event(input, usage->type, last_key, 0);
277
278 return 1;
279 }
280
281 return 0;
282 }
283
284 static void ms_ff_worker(struct work_struct *work)
285 {
286 struct ms_data *ms = container_of(work, struct ms_data, ff_worker);
287 struct hid_device *hdev = ms->hdev;
288 struct xb1s_ff_report *r = ms->output_report_dmabuf;
289 int ret;
290
291 memset(r, 0, sizeof(*r));
292
293 r->report_id = XB1S_FF_REPORT;
294 r->enable = ENABLE_WEAK | ENABLE_STRONG;
295
296
297
298
299
300 r->duration_10ms = U8_MAX;
301 r->loop_count = U8_MAX;
302 r->magnitude[MAGNITUDE_STRONG] = ms->strong;
303 r->magnitude[MAGNITUDE_WEAK] = ms->weak;
304
305 ret = hid_hw_output_report(hdev, (__u8 *)r, sizeof(*r));
306 if (ret < 0)
307 hid_warn(hdev, "failed to send FF report\n");
308 }
309
310 static int ms_play_effect(struct input_dev *dev, void *data,
311 struct ff_effect *effect)
312 {
313 struct hid_device *hid = input_get_drvdata(dev);
314 struct ms_data *ms = hid_get_drvdata(hid);
315
316 if (effect->type != FF_RUMBLE)
317 return 0;
318
319
320
321
322 ms->strong = ((u32) effect->u.rumble.strong_magnitude * 100) / U16_MAX;
323 ms->weak = ((u32) effect->u.rumble.weak_magnitude * 100) / U16_MAX;
324
325 schedule_work(&ms->ff_worker);
326 return 0;
327 }
328
329 static int ms_init_ff(struct hid_device *hdev)
330 {
331 struct hid_input *hidinput;
332 struct input_dev *input_dev;
333 struct ms_data *ms = hid_get_drvdata(hdev);
334
335 if (list_empty(&hdev->inputs)) {
336 hid_err(hdev, "no inputs found\n");
337 return -ENODEV;
338 }
339 hidinput = list_entry(hdev->inputs.next, struct hid_input, list);
340 input_dev = hidinput->input;
341
342 if (!(ms->quirks & MS_QUIRK_FF))
343 return 0;
344
345 ms->hdev = hdev;
346 INIT_WORK(&ms->ff_worker, ms_ff_worker);
347
348 ms->output_report_dmabuf = devm_kzalloc(&hdev->dev,
349 sizeof(struct xb1s_ff_report),
350 GFP_KERNEL);
351 if (ms->output_report_dmabuf == NULL)
352 return -ENOMEM;
353
354 input_set_capability(input_dev, EV_FF, FF_RUMBLE);
355 return input_ff_create_memless(input_dev, NULL, ms_play_effect);
356 }
357
358 static void ms_remove_ff(struct hid_device *hdev)
359 {
360 struct ms_data *ms = hid_get_drvdata(hdev);
361
362 if (!(ms->quirks & MS_QUIRK_FF))
363 return;
364
365 cancel_work_sync(&ms->ff_worker);
366 }
367
368 static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id)
369 {
370 unsigned long quirks = id->driver_data;
371 struct ms_data *ms;
372 int ret;
373
374 ms = devm_kzalloc(&hdev->dev, sizeof(*ms), GFP_KERNEL);
375 if (ms == NULL)
376 return -ENOMEM;
377
378 ms->quirks = quirks;
379
380 hid_set_drvdata(hdev, ms);
381
382 if (quirks & MS_NOGET)
383 hdev->quirks |= HID_QUIRK_NOGET;
384
385 if (quirks & MS_SURFACE_DIAL)
386 hdev->quirks |= HID_QUIRK_INPUT_PER_APP;
387
388 ret = hid_parse(hdev);
389 if (ret) {
390 hid_err(hdev, "parse failed\n");
391 goto err_free;
392 }
393
394 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ?
395 HID_CONNECT_HIDINPUT_FORCE : 0));
396 if (ret) {
397 hid_err(hdev, "hw start failed\n");
398 goto err_free;
399 }
400
401 ret = ms_init_ff(hdev);
402 if (ret)
403 hid_err(hdev, "could not initialize ff, continuing anyway");
404
405 return 0;
406 err_free:
407 return ret;
408 }
409
410 static void ms_remove(struct hid_device *hdev)
411 {
412 hid_hw_stop(hdev);
413 ms_remove_ff(hdev);
414 }
415
416 static const struct hid_device_id ms_devices[] = {
417 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV),
418 .driver_data = MS_HIDINPUT },
419 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB),
420 .driver_data = MS_ERGONOMY },
421 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K),
422 .driver_data = MS_ERGONOMY },
423 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP),
424 .driver_data = MS_ERGONOMY },
425 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K),
426 .driver_data = MS_ERGONOMY },
427 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K),
428 .driver_data = MS_ERGONOMY | MS_RDESC },
429 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB),
430 .driver_data = MS_PRESENTER },
431 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K),
432 .driver_data = MS_ERGONOMY },
433 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K),
434 .driver_data = MS_ERGONOMY },
435 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600),
436 .driver_data = MS_ERGONOMY },
437 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1),
438 .driver_data = MS_ERGONOMY },
439 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0),
440 .driver_data = MS_NOGET },
441 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500),
442 .driver_data = MS_DUPLICATE_USAGES },
443 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER),
444 .driver_data = MS_HIDINPUT },
445 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD),
446 .driver_data = MS_ERGONOMY},
447
448 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT),
449 .driver_data = MS_PRESENTER },
450 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, 0x091B),
451 .driver_data = MS_SURFACE_DIAL },
452 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER),
453 .driver_data = MS_QUIRK_FF },
454 { }
455 };
456 MODULE_DEVICE_TABLE(hid, ms_devices);
457
458 static struct hid_driver ms_driver = {
459 .name = "microsoft",
460 .id_table = ms_devices,
461 .report_fixup = ms_report_fixup,
462 .input_mapping = ms_input_mapping,
463 .input_mapped = ms_input_mapped,
464 .event = ms_event,
465 .probe = ms_probe,
466 .remove = ms_remove,
467 };
468 module_hid_driver(ms_driver);
469
470 MODULE_LICENSE("GPL");