1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * HID driver for some microsoft "special" devices
5 * Copyright (c) 1999 Andreas Gal
6 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
7 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
8 * Copyright (c) 2006-2007 Jiri Kosina
9 * Copyright (c) 2008 Jiri Slaby
15 #include <linux/device.h>
16 #include <linux/input.h>
17 #include <linux/hid.h>
18 #include <linux/module.h>
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)
33 struct hid_device *hdev;
34 struct work_struct ff_worker;
37 void *output_report_dmabuf;
40 #define XB1S_FF_REPORT 3
41 #define ENABLE_WEAK BIT(0)
42 #define ENABLE_STRONG BIT(1)
50 struct xb1s_ff_report {
53 __u8 magnitude[MAGNITUDE_NUM];
55 __u8 start_delay_10ms;
59 static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
62 struct ms_data *ms = hid_get_drvdata(hdev);
63 unsigned long quirks = ms->quirks;
66 * Microsoft Wireless Desktop Receiver (Model 1028) has
67 * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
69 if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
71 hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
78 #define ms_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
80 static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage,
81 unsigned long **bit, int *max)
83 struct input_dev *input = hi->input;
85 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
86 switch (usage->hid & HID_USAGE) {
88 * Microsoft uses these 2 reserved usage ids for 2 keys on
89 * the MS office kb labelled "Office Home" and "Task Pane".
92 ms_map_key_clear(KEY_PROG1);
95 ms_map_key_clear(KEY_PROG2);
101 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
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;
108 /* Special keypad keys */
109 ms_map_key_clear(KEY_KPEQUAL);
110 set_bit(KEY_KPLEFTPAREN, input->keybit);
111 set_bit(KEY_KPRIGHTPAREN, input->keybit);
115 hid_map_usage_clear(hi, usage, bit, max, EV_REL, REL_WHEEL);
119 * This byte contains a copy of the modifier keys byte of a
120 * standard hid keyboard report, as send by interface 0
121 * (this usage is found on interface 1).
123 * This byte only gets send when another key in the same report
124 * changes state, and as such is useless, ignore it.
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);
142 static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage,
143 unsigned long **bit, int *max)
145 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
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;
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)
164 switch (usage->hid & HID_USAGE_PAGE) {
166 case HID_UP_DIGITIZER:
167 /* ignore those axis */
170 switch (usage->hid) {
173 case HID_GD_RFKILL_BTN:
174 /* ignore those axis */
182 static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi,
183 struct hid_field *field, struct hid_usage *usage,
184 unsigned long **bit, int *max)
186 struct ms_data *ms = hid_get_drvdata(hdev);
187 unsigned long quirks = ms->quirks;
189 if (quirks & MS_ERGONOMY) {
190 int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max);
195 if ((quirks & MS_PRESENTER) &&
196 ms_presenter_8k_quirk(hi, usage, bit, max))
199 if (quirks & MS_SURFACE_DIAL) {
200 int ret = ms_surface_dial_quirk(hi, field, usage, bit, max);
209 static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi,
210 struct hid_field *field, struct hid_usage *usage,
211 unsigned long **bit, int *max)
213 struct ms_data *ms = hid_get_drvdata(hdev);
214 unsigned long quirks = ms->quirks;
216 if (quirks & MS_DUPLICATE_USAGES)
217 clear_bit(usage->code, *bit);
222 static int ms_event(struct hid_device *hdev, struct hid_field *field,
223 struct hid_usage *usage, __s32 value)
225 struct ms_data *ms = hid_get_drvdata(hdev);
226 unsigned long quirks = ms->quirks;
227 struct input_dev *input;
229 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
233 input = field->hidinput->input;
235 /* Handling MS keyboards special buttons */
236 if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff00)) {
237 /* Special keypad keys */
238 input_report_key(input, KEY_KPEQUAL, value & 0x01);
239 input_report_key(input, KEY_KPLEFTPAREN, value & 0x02);
240 input_report_key(input, KEY_KPRIGHTPAREN, value & 0x04);
244 if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff01)) {
246 int step = ((value & 0x60) >> 5) + 1;
248 switch (value & 0x1f) {
250 input_report_rel(input, REL_WHEEL, step);
253 input_report_rel(input, REL_WHEEL, -step);
259 if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
260 static unsigned int last_key = 0;
261 unsigned int key = 0;
263 case 0x01: key = KEY_F14; break;
264 case 0x02: key = KEY_F15; break;
265 case 0x04: key = KEY_F16; break;
266 case 0x08: key = KEY_F17; break;
267 case 0x10: key = KEY_F18; break;
270 input_event(input, usage->type, key, 1);
273 input_event(input, usage->type, last_key, 0);
281 static void ms_ff_worker(struct work_struct *work)
283 struct ms_data *ms = container_of(work, struct ms_data, ff_worker);
284 struct hid_device *hdev = ms->hdev;
285 struct xb1s_ff_report *r = ms->output_report_dmabuf;
288 memset(r, 0, sizeof(*r));
290 r->report_id = XB1S_FF_REPORT;
291 r->enable = ENABLE_WEAK | ENABLE_STRONG;
293 * Specifying maximum duration and maximum loop count should
294 * cover maximum duration of a single effect, which is 65536
297 r->duration_10ms = U8_MAX;
298 r->loop_count = U8_MAX;
299 r->magnitude[MAGNITUDE_STRONG] = ms->strong; /* left actuator */
300 r->magnitude[MAGNITUDE_WEAK] = ms->weak; /* right actuator */
302 ret = hid_hw_output_report(hdev, (__u8 *)r, sizeof(*r));
304 hid_warn(hdev, "failed to send FF report\n");
307 static int ms_play_effect(struct input_dev *dev, void *data,
308 struct ff_effect *effect)
310 struct hid_device *hid = input_get_drvdata(dev);
311 struct ms_data *ms = hid_get_drvdata(hid);
313 if (effect->type != FF_RUMBLE)
317 * Magnitude is 0..100 so scale the 16-bit input here
319 ms->strong = ((u32) effect->u.rumble.strong_magnitude * 100) / U16_MAX;
320 ms->weak = ((u32) effect->u.rumble.weak_magnitude * 100) / U16_MAX;
322 schedule_work(&ms->ff_worker);
326 static int ms_init_ff(struct hid_device *hdev)
328 struct hid_input *hidinput;
329 struct input_dev *input_dev;
330 struct ms_data *ms = hid_get_drvdata(hdev);
332 if (list_empty(&hdev->inputs)) {
333 hid_err(hdev, "no inputs found\n");
336 hidinput = list_entry(hdev->inputs.next, struct hid_input, list);
337 input_dev = hidinput->input;
339 if (!(ms->quirks & MS_QUIRK_FF))
343 INIT_WORK(&ms->ff_worker, ms_ff_worker);
345 ms->output_report_dmabuf = devm_kzalloc(&hdev->dev,
346 sizeof(struct xb1s_ff_report),
348 if (ms->output_report_dmabuf == NULL)
351 input_set_capability(input_dev, EV_FF, FF_RUMBLE);
352 return input_ff_create_memless(input_dev, NULL, ms_play_effect);
355 static void ms_remove_ff(struct hid_device *hdev)
357 struct ms_data *ms = hid_get_drvdata(hdev);
359 if (!(ms->quirks & MS_QUIRK_FF))
362 cancel_work_sync(&ms->ff_worker);
365 static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id)
367 unsigned long quirks = id->driver_data;
371 ms = devm_kzalloc(&hdev->dev, sizeof(*ms), GFP_KERNEL);
377 hid_set_drvdata(hdev, ms);
379 if (quirks & MS_NOGET)
380 hdev->quirks |= HID_QUIRK_NOGET;
382 if (quirks & MS_SURFACE_DIAL)
383 hdev->quirks |= HID_QUIRK_INPUT_PER_APP;
385 ret = hid_parse(hdev);
387 hid_err(hdev, "parse failed\n");
391 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ?
392 HID_CONNECT_HIDINPUT_FORCE : 0));
394 hid_err(hdev, "hw start failed\n");
398 ret = ms_init_ff(hdev);
400 hid_err(hdev, "could not initialize ff, continuing anyway");
407 static void ms_remove(struct hid_device *hdev)
413 static const struct hid_device_id ms_devices[] = {
414 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV),
415 .driver_data = MS_HIDINPUT },
416 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB),
417 .driver_data = MS_ERGONOMY },
418 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K),
419 .driver_data = MS_ERGONOMY },
420 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP),
421 .driver_data = MS_ERGONOMY },
422 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K),
423 .driver_data = MS_ERGONOMY },
424 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K),
425 .driver_data = MS_ERGONOMY | MS_RDESC },
426 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB),
427 .driver_data = MS_PRESENTER },
428 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K),
429 .driver_data = MS_ERGONOMY },
430 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K),
431 .driver_data = MS_ERGONOMY },
432 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600),
433 .driver_data = MS_ERGONOMY },
434 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1),
435 .driver_data = MS_ERGONOMY },
436 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0),
437 .driver_data = MS_NOGET },
438 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500),
439 .driver_data = MS_DUPLICATE_USAGES },
440 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER),
441 .driver_data = MS_HIDINPUT },
442 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD),
443 .driver_data = MS_ERGONOMY},
445 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT),
446 .driver_data = MS_PRESENTER },
447 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, 0x091B),
448 .driver_data = MS_SURFACE_DIAL },
449 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER),
450 .driver_data = MS_QUIRK_FF },
451 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_8BITDO_SN30_PRO_PLUS),
452 .driver_data = MS_QUIRK_FF },
455 MODULE_DEVICE_TABLE(hid, ms_devices);
457 static struct hid_driver ms_driver = {
459 .id_table = ms_devices,
460 .report_fixup = ms_report_fixup,
461 .input_mapping = ms_input_mapping,
462 .input_mapped = ms_input_mapped,
467 module_hid_driver(ms_driver);
469 MODULE_LICENSE("GPL");