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26#include <linux/dmi.h>
27#include <linux/hid.h>
28#include <linux/module.h>
29#include <linux/platform_data/x86/asus-wmi.h>
30#include <linux/input/mt.h>
31#include <linux/usb.h>
32#include <linux/power_supply.h>
33
34#include "hid-ids.h"
35
36MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>");
37MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>");
38MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>");
39MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>");
40MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
41
42#define T100_TPAD_INTF 2
43#define MEDION_E1239T_TPAD_INTF 1
44
45#define E1239T_TP_TOGGLE_REPORT_ID 0x05
46#define T100CHI_MOUSE_REPORT_ID 0x06
47#define FEATURE_REPORT_ID 0x0d
48#define INPUT_REPORT_ID 0x5d
49#define FEATURE_KBD_REPORT_ID 0x5a
50#define FEATURE_KBD_REPORT_SIZE 16
51#define FEATURE_KBD_LED_REPORT_ID1 0x5d
52#define FEATURE_KBD_LED_REPORT_ID2 0x5e
53
54#define SUPPORT_KBD_BACKLIGHT BIT(0)
55
56#define MAX_TOUCH_MAJOR 8
57#define MAX_PRESSURE 128
58
59#define BTN_LEFT_MASK 0x01
60#define CONTACT_TOOL_TYPE_MASK 0x80
61#define CONTACT_X_MSB_MASK 0xf0
62#define CONTACT_Y_MSB_MASK 0x0f
63#define CONTACT_TOUCH_MAJOR_MASK 0x07
64#define CONTACT_PRESSURE_MASK 0x7f
65
66#define BATTERY_REPORT_ID (0x03)
67#define BATTERY_REPORT_SIZE (1 + 8)
68#define BATTERY_LEVEL_MAX ((u8)255)
69#define BATTERY_STAT_DISCONNECT (0)
70#define BATTERY_STAT_CHARGING (1)
71#define BATTERY_STAT_FULL (2)
72
73#define QUIRK_FIX_NOTEBOOK_REPORT BIT(0)
74#define QUIRK_NO_INIT_REPORTS BIT(1)
75#define QUIRK_SKIP_INPUT_MAPPING BIT(2)
76#define QUIRK_IS_MULTITOUCH BIT(3)
77#define QUIRK_NO_CONSUMER_USAGES BIT(4)
78#define QUIRK_USE_KBD_BACKLIGHT BIT(5)
79#define QUIRK_T100_KEYBOARD BIT(6)
80#define QUIRK_T100CHI BIT(7)
81#define QUIRK_G752_KEYBOARD BIT(8)
82#define QUIRK_T90CHI BIT(9)
83#define QUIRK_MEDION_E1239T BIT(10)
84#define QUIRK_ROG_NKEY_KEYBOARD BIT(11)
85#define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12)
86
87#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
88 QUIRK_NO_INIT_REPORTS | \
89 QUIRK_NO_CONSUMER_USAGES)
90#define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \
91 QUIRK_SKIP_INPUT_MAPPING | \
92 QUIRK_IS_MULTITOUCH)
93
94#define TRKID_SGN ((TRKID_MAX + 1) >> 1)
95
96struct asus_kbd_leds {
97 struct led_classdev cdev;
98 struct hid_device *hdev;
99 struct work_struct work;
100 unsigned int brightness;
101 bool removed;
102};
103
104struct asus_touchpad_info {
105 int max_x;
106 int max_y;
107 int res_x;
108 int res_y;
109 int contact_size;
110 int max_contacts;
111 int report_size;
112};
113
114struct asus_drvdata {
115 unsigned long quirks;
116 struct hid_device *hdev;
117 struct input_dev *input;
118 struct input_dev *tp_kbd_input;
119 struct asus_kbd_leds *kbd_backlight;
120 const struct asus_touchpad_info *tp;
121 bool enable_backlight;
122 struct power_supply *battery;
123 struct power_supply_desc battery_desc;
124 int battery_capacity;
125 int battery_stat;
126 bool battery_in_query;
127 unsigned long battery_next_query;
128};
129
130static int asus_report_battery(struct asus_drvdata *, u8 *, int);
131
132static const struct asus_touchpad_info asus_i2c_tp = {
133 .max_x = 2794,
134 .max_y = 1758,
135 .contact_size = 5,
136 .max_contacts = 5,
137 .report_size = 28 ,
138};
139
140static const struct asus_touchpad_info asus_t100ta_tp = {
141 .max_x = 2240,
142 .max_y = 1120,
143 .res_x = 30,
144 .res_y = 27,
145 .contact_size = 5,
146 .max_contacts = 5,
147 .report_size = 28 ,
148};
149
150static const struct asus_touchpad_info asus_t100ha_tp = {
151 .max_x = 2640,
152 .max_y = 1320,
153 .res_x = 30,
154 .res_y = 29,
155 .contact_size = 5,
156 .max_contacts = 5,
157 .report_size = 28 ,
158};
159
160static const struct asus_touchpad_info asus_t200ta_tp = {
161 .max_x = 3120,
162 .max_y = 1716,
163 .res_x = 30,
164 .res_y = 28,
165 .contact_size = 5,
166 .max_contacts = 5,
167 .report_size = 28 ,
168};
169
170static const struct asus_touchpad_info asus_t100chi_tp = {
171 .max_x = 2640,
172 .max_y = 1320,
173 .res_x = 31,
174 .res_y = 29,
175 .contact_size = 3,
176 .max_contacts = 4,
177 .report_size = 15 ,
178};
179
180static const struct asus_touchpad_info medion_e1239t_tp = {
181 .max_x = 2640,
182 .max_y = 1380,
183 .res_x = 29,
184 .res_y = 28,
185 .contact_size = 5,
186 .max_contacts = 5,
187 .report_size = 32 ,
188};
189
190static void asus_report_contact_down(struct asus_drvdata *drvdat,
191 int toolType, u8 *data)
192{
193 struct input_dev *input = drvdat->input;
194 int touch_major, pressure, x, y;
195
196 x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1];
197 y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]);
198
199 input_report_abs(input, ABS_MT_POSITION_X, x);
200 input_report_abs(input, ABS_MT_POSITION_Y, y);
201
202 if (drvdat->tp->contact_size < 5)
203 return;
204
205 if (toolType == MT_TOOL_PALM) {
206 touch_major = MAX_TOUCH_MAJOR;
207 pressure = MAX_PRESSURE;
208 } else {
209 touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK;
210 pressure = data[4] & CONTACT_PRESSURE_MASK;
211 }
212
213 input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
214 input_report_abs(input, ABS_MT_PRESSURE, pressure);
215}
216
217
218static void asus_report_tool_width(struct asus_drvdata *drvdat)
219{
220 struct input_mt *mt = drvdat->input->mt;
221 struct input_mt_slot *oldest;
222 int oldid, count, i;
223
224 if (drvdat->tp->contact_size < 5)
225 return;
226
227 oldest = NULL;
228 oldid = mt->trkid;
229 count = 0;
230
231 for (i = 0; i < mt->num_slots; ++i) {
232 struct input_mt_slot *ps = &mt->slots[i];
233 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
234
235 if (id < 0)
236 continue;
237 if ((id - oldid) & TRKID_SGN) {
238 oldest = ps;
239 oldid = id;
240 }
241 count++;
242 }
243
244 if (oldest) {
245 input_report_abs(drvdat->input, ABS_TOOL_WIDTH,
246 input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
247 }
248}
249
250static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
251{
252 int i, toolType = MT_TOOL_FINGER;
253 u8 *contactData = data + 2;
254
255 if (size != drvdat->tp->report_size)
256 return 0;
257
258 for (i = 0; i < drvdat->tp->max_contacts; i++) {
259 bool down = !!(data[1] & BIT(i+3));
260
261 if (drvdat->tp->contact_size >= 5)
262 toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
263 MT_TOOL_PALM : MT_TOOL_FINGER;
264
265 input_mt_slot(drvdat->input, i);
266 input_mt_report_slot_state(drvdat->input, toolType, down);
267
268 if (down) {
269 asus_report_contact_down(drvdat, toolType, contactData);
270 contactData += drvdat->tp->contact_size;
271 }
272 }
273
274 input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK);
275 asus_report_tool_width(drvdat);
276
277 input_mt_sync_frame(drvdat->input);
278 input_sync(drvdat->input);
279
280 return 1;
281}
282
283static int asus_e1239t_event(struct asus_drvdata *drvdat, u8 *data, int size)
284{
285 if (size != 3)
286 return 0;
287
288
289 if (!drvdat->tp &&
290 data[0] == 0x02 && data[1] == 0xe2 && data[2] == 0x00) {
291 input_report_key(drvdat->input, KEY_MUTE, 1);
292 input_sync(drvdat->input);
293 input_report_key(drvdat->input, KEY_MUTE, 0);
294 input_sync(drvdat->input);
295 return 1;
296 }
297
298
299 if (drvdat->tp_kbd_input &&
300 data[0] == 0x05 && data[1] == 0x02 && data[2] == 0x28) {
301 input_report_key(drvdat->tp_kbd_input, KEY_F21, 1);
302 input_sync(drvdat->tp_kbd_input);
303 input_report_key(drvdat->tp_kbd_input, KEY_F21, 0);
304 input_sync(drvdat->tp_kbd_input);
305 return 1;
306 }
307
308 return 0;
309}
310
311static int asus_event(struct hid_device *hdev, struct hid_field *field,
312 struct hid_usage *usage, __s32 value)
313{
314 if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 &&
315 (usage->hid & HID_USAGE) != 0x00 &&
316 (usage->hid & HID_USAGE) != 0xff && !usage->type) {
317 hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
318 usage->hid & HID_USAGE);
319 }
320
321 return 0;
322}
323
324static int asus_raw_event(struct hid_device *hdev,
325 struct hid_report *report, u8 *data, int size)
326{
327 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
328
329 if (drvdata->battery && data[0] == BATTERY_REPORT_ID)
330 return asus_report_battery(drvdata, data, size);
331
332 if (drvdata->tp && data[0] == INPUT_REPORT_ID)
333 return asus_report_input(drvdata, data, size);
334
335 if (drvdata->quirks & QUIRK_MEDION_E1239T)
336 return asus_e1239t_event(drvdata, data, size);
337
338 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) {
339
340
341
342
343 if (report->id == FEATURE_KBD_LED_REPORT_ID1 ||
344 report->id == FEATURE_KBD_LED_REPORT_ID2) {
345 return -1;
346
347 } else if (report->id == FEATURE_KBD_REPORT_ID) {
348
349
350
351
352
353 if (data[1] == 0xea || data[1] == 0xec || data[1] == 0x02 ||
354 data[1] == 0x8a || data[1] == 0x9e) {
355 return -1;
356 }
357 }
358 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
359
360
361
362
363 if(data[0] == 0x02 && data[1] == 0x30) {
364 return -1;
365 }
366 }
367
368 }
369
370 if (drvdata->quirks & QUIRK_ROG_CLAYMORE_II_KEYBOARD) {
371
372
373
374
375
376 if(size == 2 && data[0] == 0x02 && data[1] == 0x00) {
377 return -1;
378 }
379 }
380
381 return 0;
382}
383
384static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size)
385{
386 unsigned char *dmabuf;
387 int ret;
388
389 dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
390 if (!dmabuf)
391 return -ENOMEM;
392
393
394
395
396
397 ret = hid_hw_raw_request(hdev, buf[0], dmabuf,
398 buf_size, HID_FEATURE_REPORT,
399 HID_REQ_SET_REPORT);
400 kfree(dmabuf);
401
402 return ret;
403}
404
405static int asus_kbd_init(struct hid_device *hdev)
406{
407 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
408 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
409 int ret;
410
411 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
412 if (ret < 0)
413 hid_err(hdev, "Asus failed to send init command: %d\n", ret);
414
415 return ret;
416}
417
418static int asus_kbd_get_functions(struct hid_device *hdev,
419 unsigned char *kbd_func)
420{
421 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 };
422 u8 *readbuf;
423 int ret;
424
425 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
426 if (ret < 0) {
427 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
428 return ret;
429 }
430
431 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
432 if (!readbuf)
433 return -ENOMEM;
434
435 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
436 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
437 HID_REQ_GET_REPORT);
438 if (ret < 0) {
439 hid_err(hdev, "Asus failed to request functions: %d\n", ret);
440 kfree(readbuf);
441 return ret;
442 }
443
444 *kbd_func = readbuf[6];
445
446 kfree(readbuf);
447 return ret;
448}
449
450static int rog_nkey_led_init(struct hid_device *hdev)
451{
452 u8 buf_init_start[] = { FEATURE_KBD_LED_REPORT_ID1, 0xB9 };
453 u8 buf_init2[] = { FEATURE_KBD_LED_REPORT_ID1, 0x41, 0x53, 0x55, 0x53, 0x20,
454 0x54, 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
455 u8 buf_init3[] = { FEATURE_KBD_LED_REPORT_ID1,
456 0x05, 0x20, 0x31, 0x00, 0x08 };
457 int ret;
458
459 hid_info(hdev, "Asus initialise N-KEY Device");
460
461 ret = asus_kbd_set_report(hdev, buf_init_start, sizeof(buf_init_start));
462 if (ret < 0) {
463 hid_warn(hdev, "Asus failed to send init start command: %d\n", ret);
464 return ret;
465 }
466
467 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
468 if (ret < 0) {
469 hid_warn(hdev, "Asus failed to send init command 1.0: %d\n", ret);
470 return ret;
471 }
472
473 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
474 if (ret < 0) {
475 hid_warn(hdev, "Asus failed to send init command 1.1: %d\n", ret);
476 return ret;
477 }
478
479
480 buf_init2[0] = FEATURE_KBD_LED_REPORT_ID2;
481 buf_init3[0] = FEATURE_KBD_LED_REPORT_ID2;
482
483 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
484 if (ret < 0) {
485 hid_warn(hdev, "Asus failed to send init command 2.0: %d\n", ret);
486 return ret;
487 }
488 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
489 if (ret < 0)
490 hid_warn(hdev, "Asus failed to send init command 2.1: %d\n", ret);
491
492 return ret;
493}
494
495static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
496 enum led_brightness brightness)
497{
498 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
499 cdev);
500 led->brightness = brightness;
501 schedule_work(&led->work);
502}
503
504static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
505{
506 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
507 cdev);
508
509 return led->brightness;
510}
511
512static void asus_kbd_backlight_work(struct work_struct *work)
513{
514 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
515 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
516 int ret;
517
518 if (led->removed)
519 return;
520
521 buf[4] = led->brightness;
522
523 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
524 if (ret < 0)
525 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
526}
527
528
529
530
531
532static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
533{
534 u32 value;
535 int ret;
536
537 if (!IS_ENABLED(CONFIG_ASUS_WMI))
538 return false;
539
540 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
541 ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
542 hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
543 if (ret)
544 return false;
545
546 return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
547}
548
549static int asus_kbd_register_leds(struct hid_device *hdev)
550{
551 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
552 unsigned char kbd_func;
553 int ret;
554
555 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
556 ret = rog_nkey_led_init(hdev);
557 if (ret < 0)
558 return ret;
559 } else {
560
561 ret = asus_kbd_init(hdev);
562 if (ret < 0)
563 return ret;
564
565
566 ret = asus_kbd_get_functions(hdev, &kbd_func);
567 if (ret < 0)
568 return ret;
569
570
571 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
572 return -ENODEV;
573 }
574
575 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
576 sizeof(struct asus_kbd_leds),
577 GFP_KERNEL);
578 if (!drvdata->kbd_backlight)
579 return -ENOMEM;
580
581 drvdata->kbd_backlight->removed = false;
582 drvdata->kbd_backlight->brightness = 0;
583 drvdata->kbd_backlight->hdev = hdev;
584 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
585 drvdata->kbd_backlight->cdev.max_brightness = 3;
586 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
587 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
588 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
589
590 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
591 if (ret < 0) {
592
593 devm_kfree(&hdev->dev, drvdata->kbd_backlight);
594 }
595
596 return ret;
597}
598
599
600
601
602
603
604
605
606
607
608static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
609{
610 u8 sts;
611 u8 lvl;
612 int val;
613
614 lvl = data[1];
615 sts = data[8];
616
617 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
618
619 switch (sts) {
620 case BATTERY_STAT_CHARGING:
621 val = POWER_SUPPLY_STATUS_CHARGING;
622 break;
623 case BATTERY_STAT_FULL:
624 val = POWER_SUPPLY_STATUS_FULL;
625 break;
626 case BATTERY_STAT_DISCONNECT:
627 default:
628 val = POWER_SUPPLY_STATUS_DISCHARGING;
629 break;
630 }
631 drvdata->battery_stat = val;
632
633 return 0;
634}
635
636static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
637{
638
639 if ((drvdata->battery_in_query == false) &&
640 (size == BATTERY_REPORT_SIZE))
641 power_supply_changed(drvdata->battery);
642
643 return 0;
644}
645
646static int asus_battery_query(struct asus_drvdata *drvdata)
647{
648 u8 *buf;
649 int ret = 0;
650
651 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
652 if (!buf)
653 return -ENOMEM;
654
655 drvdata->battery_in_query = true;
656 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
657 buf, BATTERY_REPORT_SIZE,
658 HID_INPUT_REPORT, HID_REQ_GET_REPORT);
659 drvdata->battery_in_query = false;
660 if (ret == BATTERY_REPORT_SIZE)
661 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
662 else
663 ret = -ENODATA;
664
665 kfree(buf);
666
667 return ret;
668}
669
670static enum power_supply_property asus_battery_props[] = {
671 POWER_SUPPLY_PROP_STATUS,
672 POWER_SUPPLY_PROP_PRESENT,
673 POWER_SUPPLY_PROP_CAPACITY,
674 POWER_SUPPLY_PROP_SCOPE,
675 POWER_SUPPLY_PROP_MODEL_NAME,
676};
677
678#define QUERY_MIN_INTERVAL (60 * HZ)
679
680static int asus_battery_get_property(struct power_supply *psy,
681 enum power_supply_property psp,
682 union power_supply_propval *val)
683{
684 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
685 int ret = 0;
686
687 switch (psp) {
688 case POWER_SUPPLY_PROP_STATUS:
689 case POWER_SUPPLY_PROP_CAPACITY:
690 if (time_before(drvdata->battery_next_query, jiffies)) {
691 drvdata->battery_next_query =
692 jiffies + QUERY_MIN_INTERVAL;
693 ret = asus_battery_query(drvdata);
694 if (ret)
695 return ret;
696 }
697 if (psp == POWER_SUPPLY_PROP_STATUS)
698 val->intval = drvdata->battery_stat;
699 else
700 val->intval = drvdata->battery_capacity;
701 break;
702 case POWER_SUPPLY_PROP_PRESENT:
703 val->intval = 1;
704 break;
705 case POWER_SUPPLY_PROP_SCOPE:
706 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
707 break;
708 case POWER_SUPPLY_PROP_MODEL_NAME:
709 val->strval = drvdata->hdev->name;
710 break;
711 default:
712 ret = -EINVAL;
713 break;
714 }
715
716 return ret;
717}
718
719static int asus_battery_probe(struct hid_device *hdev)
720{
721 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
722 struct power_supply_config pscfg = { .drv_data = drvdata };
723 int ret = 0;
724
725 drvdata->battery_capacity = 0;
726 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
727 drvdata->battery_in_query = false;
728
729 drvdata->battery_desc.properties = asus_battery_props;
730 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
731 drvdata->battery_desc.get_property = asus_battery_get_property;
732 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
733 drvdata->battery_desc.use_for_apm = 0;
734 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
735 "asus-keyboard-%s-battery",
736 strlen(hdev->uniq) ?
737 hdev->uniq : dev_name(&hdev->dev));
738 if (!drvdata->battery_desc.name)
739 return -ENOMEM;
740
741 drvdata->battery_next_query = jiffies;
742
743 drvdata->battery = devm_power_supply_register(&hdev->dev,
744 &(drvdata->battery_desc), &pscfg);
745 if (IS_ERR(drvdata->battery)) {
746 ret = PTR_ERR(drvdata->battery);
747 drvdata->battery = NULL;
748 hid_err(hdev, "Unable to register battery device\n");
749 return ret;
750 }
751
752 power_supply_powers(drvdata->battery, &hdev->dev);
753
754 return ret;
755}
756
757static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
758{
759 struct input_dev *input = hi->input;
760 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
761
762
763 if (drvdata->quirks & QUIRK_T100CHI &&
764 hi->report->id != T100CHI_MOUSE_REPORT_ID)
765 return 0;
766
767
768 if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) {
769 switch (hi->report->id) {
770 case E1239T_TP_TOGGLE_REPORT_ID:
771 input_set_capability(input, EV_KEY, KEY_F21);
772 input->name = "Asus Touchpad Keys";
773 drvdata->tp_kbd_input = input;
774 return 0;
775 case INPUT_REPORT_ID:
776 break;
777 default:
778 return 0;
779 }
780 }
781
782 if (drvdata->tp) {
783 int ret;
784
785 input_set_abs_params(input, ABS_MT_POSITION_X, 0,
786 drvdata->tp->max_x, 0, 0);
787 input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
788 drvdata->tp->max_y, 0, 0);
789 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
790 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
791
792 if (drvdata->tp->contact_size >= 5) {
793 input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
794 MAX_TOUCH_MAJOR, 0, 0);
795 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
796 MAX_TOUCH_MAJOR, 0, 0);
797 input_set_abs_params(input, ABS_MT_PRESSURE, 0,
798 MAX_PRESSURE, 0, 0);
799 }
800
801 __set_bit(BTN_LEFT, input->keybit);
802 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
803
804 ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
805 INPUT_MT_POINTER);
806
807 if (ret) {
808 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
809 return ret;
810 }
811 }
812
813 drvdata->input = input;
814
815 if (drvdata->enable_backlight &&
816 !asus_kbd_wmi_led_control_present(hdev) &&
817 asus_kbd_register_leds(hdev))
818 hid_warn(hdev, "Failed to initialize backlight.\n");
819
820 return 0;
821}
822
823#define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
824 max, EV_KEY, (c))
825static int asus_input_mapping(struct hid_device *hdev,
826 struct hid_input *hi, struct hid_field *field,
827 struct hid_usage *usage, unsigned long **bit,
828 int *max)
829{
830 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
831
832 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
833
834
835
836 return -1;
837 }
838
839
840
841
842
843
844 if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) &&
845 (field->application == (HID_UP_GENDESK | 0x0080) ||
846 field->application == HID_GD_MOUSE ||
847 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
848 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
849 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)))
850 return -1;
851
852
853 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) {
854 switch (usage->hid & HID_USAGE) {
855 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
856 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
857 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
858 case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
859 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
860 case 0x82: asus_map_key_clear(KEY_CAMERA); break;
861 case 0x88: asus_map_key_clear(KEY_RFKILL); break;
862 case 0xb5: asus_map_key_clear(KEY_CALC); break;
863 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
864 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
865
866
867 case 0x6b: asus_map_key_clear(KEY_F21); break;
868
869
870 case 0x38: asus_map_key_clear(KEY_PROG1); break;
871
872
873 case 0xba: asus_map_key_clear(KEY_PROG2); break;
874
875
876 case 0x5c: asus_map_key_clear(KEY_PROG3); break;
877
878
879 case 0x99: asus_map_key_clear(KEY_PROG4); break;
880
881
882 case 0xae: asus_map_key_clear(KEY_PROG4); break;
883
884
885 case 0x92: asus_map_key_clear(KEY_CALC); break;
886
887
888 case 0xb2: asus_map_key_clear(KEY_PROG2); break;
889
890
891 case 0xb3: asus_map_key_clear(KEY_PROG3); break;
892
893 default:
894
895
896 return -1;
897 }
898
899
900
901
902
903
904
905 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
906 drvdata->enable_backlight = true;
907
908 set_bit(EV_REP, hi->input->evbit);
909 return 1;
910 }
911
912 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
913 switch (usage->hid & HID_USAGE) {
914 case 0xff01: asus_map_key_clear(BTN_1); break;
915 case 0xff02: asus_map_key_clear(BTN_2); break;
916 case 0xff03: asus_map_key_clear(BTN_3); break;
917 case 0xff04: asus_map_key_clear(BTN_4); break;
918 case 0xff05: asus_map_key_clear(BTN_5); break;
919 case 0xff06: asus_map_key_clear(BTN_6); break;
920 case 0xff07: asus_map_key_clear(BTN_7); break;
921 case 0xff08: asus_map_key_clear(BTN_8); break;
922 case 0xff09: asus_map_key_clear(BTN_9); break;
923 case 0xff0a: asus_map_key_clear(BTN_A); break;
924 case 0xff0b: asus_map_key_clear(BTN_B); break;
925 case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
926 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
927 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
928 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
929 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
930 case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
931 default:
932 return 0;
933 }
934
935 set_bit(EV_REP, hi->input->evbit);
936 return 1;
937 }
938
939 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
940 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
941 switch (usage->hid & HID_USAGE) {
942 case 0xe2:
943 case 0xe9:
944 case 0xea:
945 return 0;
946 default:
947
948
949
950 return -1;
951 }
952 }
953
954
955
956
957
958 if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
959 usage->hid == (HID_UP_CONSUMER | 0xe2)) {
960 input_set_capability(hi->input, EV_KEY, KEY_MUTE);
961 return -1;
962 }
963
964 return 0;
965}
966
967static int asus_start_multitouch(struct hid_device *hdev)
968{
969 int ret;
970 static const unsigned char buf[] = {
971 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
972 };
973 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
974
975 if (!dmabuf) {
976 ret = -ENOMEM;
977 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
978 return ret;
979 }
980
981 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
982 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
983
984 kfree(dmabuf);
985
986 if (ret != sizeof(buf)) {
987 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
988 return ret;
989 }
990
991 return 0;
992}
993
994static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
995{
996 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
997
998 if (drvdata->tp)
999 return asus_start_multitouch(hdev);
1000
1001 return 0;
1002}
1003
1004static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
1005{
1006 int ret;
1007 struct asus_drvdata *drvdata;
1008
1009 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
1010 if (drvdata == NULL) {
1011 hid_err(hdev, "Can't alloc Asus descriptor\n");
1012 return -ENOMEM;
1013 }
1014
1015 hid_set_drvdata(hdev, drvdata);
1016
1017 drvdata->quirks = id->driver_data;
1018
1019
1020
1021
1022
1023 if (strstr(hdev->name, "T90CHI")) {
1024 drvdata->quirks &= ~QUIRK_T100CHI;
1025 drvdata->quirks |= QUIRK_T90CHI;
1026 }
1027
1028 if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
1029 drvdata->tp = &asus_i2c_tp;
1030
1031 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) &&
1032 hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
1033 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
1034
1035 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
1036 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
1037
1038
1039
1040
1041
1042 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
1043 drvdata->tp = &asus_t100ha_tp;
1044 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
1045 drvdata->tp = &asus_t200ta_tp;
1046 else
1047 drvdata->tp = &asus_t100ta_tp;
1048 }
1049 }
1050
1051 if (drvdata->quirks & QUIRK_T100CHI) {
1052
1053
1054
1055
1056 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1057 drvdata->tp = &asus_t100chi_tp;
1058 }
1059
1060 if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
1061 hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
1062 struct usb_host_interface *alt =
1063 to_usb_interface(hdev->dev.parent)->altsetting;
1064
1065 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
1066
1067 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1068 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
1069 drvdata->tp = &medion_e1239t_tp;
1070 }
1071 }
1072
1073 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
1074 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
1075
1076 drvdata->hdev = hdev;
1077
1078 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1079 ret = asus_battery_probe(hdev);
1080 if (ret) {
1081 hid_err(hdev,
1082 "Asus hid battery_probe failed: %d\n", ret);
1083 return ret;
1084 }
1085 }
1086
1087 ret = hid_parse(hdev);
1088 if (ret) {
1089 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
1090 return ret;
1091 }
1092
1093 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1094 if (ret) {
1095 hid_err(hdev, "Asus hw start failed: %d\n", ret);
1096 return ret;
1097 }
1098
1099 if (!drvdata->input) {
1100 hid_err(hdev, "Asus input not registered\n");
1101 ret = -ENOMEM;
1102 goto err_stop_hw;
1103 }
1104
1105 if (drvdata->tp) {
1106 drvdata->input->name = "Asus TouchPad";
1107 } else {
1108 drvdata->input->name = "Asus Keyboard";
1109 }
1110
1111 if (drvdata->tp) {
1112 ret = asus_start_multitouch(hdev);
1113 if (ret)
1114 goto err_stop_hw;
1115 }
1116
1117 return 0;
1118err_stop_hw:
1119 hid_hw_stop(hdev);
1120 return ret;
1121}
1122
1123static void asus_remove(struct hid_device *hdev)
1124{
1125 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1126
1127 if (drvdata->kbd_backlight) {
1128 drvdata->kbd_backlight->removed = true;
1129 cancel_work_sync(&drvdata->kbd_backlight->work);
1130 }
1131
1132 hid_hw_stop(hdev);
1133}
1134
1135static const __u8 asus_g752_fixed_rdesc[] = {
1136 0x19, 0x00,
1137 0x2A, 0xFF, 0x00,
1138};
1139
1140static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
1141 unsigned int *rsize)
1142{
1143 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1144
1145 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
1146 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
1147 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
1148 rdesc[55] = 0xdd;
1149 }
1150
1151 if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
1152 (*rsize == 76 || *rsize == 101) &&
1153 rdesc[73] == 0x81 && rdesc[74] == 0x01) {
1154 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
1155 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
1156 }
1157
1158 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1159 int rsize_orig;
1160 int offs;
1161
1162 if (drvdata->quirks & QUIRK_T100CHI) {
1163 rsize_orig = 403;
1164 offs = 388;
1165 } else {
1166 rsize_orig = 306;
1167 offs = 291;
1168 }
1169
1170
1171
1172
1173
1174
1175
1176 if (*rsize == rsize_orig &&
1177 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
1178 *rsize = rsize_orig + 1;
1179 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
1180 if (!rdesc)
1181 return NULL;
1182
1183 hid_info(hdev, "Fixing up %s keyb report descriptor\n",
1184 drvdata->quirks & QUIRK_T100CHI ?
1185 "T100CHI" : "T90CHI");
1186 memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
1187 rdesc[offs] = 0x19;
1188 rdesc[offs + 1] = 0x00;
1189 rdesc[offs + 2] = 0x29;
1190 rdesc[offs + 3] = 0xff;
1191 rdesc[offs + 14] = 0x00;
1192 }
1193 }
1194
1195 if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
1196 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
1197
1198 __u8 *new_rdesc;
1199 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
1200
1201 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
1202 if (new_rdesc == NULL)
1203 return rdesc;
1204
1205 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
1206
1207 memcpy(new_rdesc, rdesc, 61);
1208
1209 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
1210
1211 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
1212
1213 *rsize = new_size;
1214 rdesc = new_rdesc;
1215 }
1216
1217 return rdesc;
1218}
1219
1220static const struct hid_device_id asus_devices[] = {
1221 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1222 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
1223 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1224 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
1225 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1226 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
1227 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1228 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
1229 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1230 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
1231 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1232 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
1233 QUIRK_USE_KBD_BACKLIGHT },
1234 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1235 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
1236 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1237 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1238 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
1239 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1240 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1241 USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD),
1242 QUIRK_ROG_CLAYMORE_II_KEYBOARD },
1243 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1244 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
1245 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1246 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1247 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
1248 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1249 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
1250 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
1251 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
1252 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
1253 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
1254 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T),
1255 QUIRK_MEDION_E1239T },
1256
1257
1258
1259
1260 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
1261 USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) },
1262 { }
1263};
1264MODULE_DEVICE_TABLE(hid, asus_devices);
1265
1266static struct hid_driver asus_driver = {
1267 .name = "asus",
1268 .id_table = asus_devices,
1269 .report_fixup = asus_report_fixup,
1270 .probe = asus_probe,
1271 .remove = asus_remove,
1272 .input_mapping = asus_input_mapping,
1273 .input_configured = asus_input_configured,
1274#ifdef CONFIG_PM
1275 .reset_resume = asus_reset_resume,
1276#endif
1277 .event = asus_event,
1278 .raw_event = asus_raw_event
1279};
1280module_hid_driver(asus_driver);
1281
1282MODULE_LICENSE("GPL");
1283
