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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_T101HA_DOCK BIT(9)
83#define QUIRK_T90CHI BIT(10)
84#define QUIRK_MEDION_E1239T BIT(11)
85#define QUIRK_ROG_NKEY_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_ROG_NKEY_KEYBOARD) {
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 }
359
360 return 0;
361}
362
363static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size)
364{
365 unsigned char *dmabuf;
366 int ret;
367
368 dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
369 if (!dmabuf)
370 return -ENOMEM;
371
372
373
374
375
376 ret = hid_hw_raw_request(hdev, buf[0], dmabuf,
377 buf_size, HID_FEATURE_REPORT,
378 HID_REQ_SET_REPORT);
379 kfree(dmabuf);
380
381 return ret;
382}
383
384static int asus_kbd_init(struct hid_device *hdev)
385{
386 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
387 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
388 int ret;
389
390 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
391 if (ret < 0)
392 hid_err(hdev, "Asus failed to send init command: %d\n", ret);
393
394 return ret;
395}
396
397static int asus_kbd_get_functions(struct hid_device *hdev,
398 unsigned char *kbd_func)
399{
400 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 };
401 u8 *readbuf;
402 int ret;
403
404 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
405 if (ret < 0) {
406 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
407 return ret;
408 }
409
410 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
411 if (!readbuf)
412 return -ENOMEM;
413
414 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
415 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
416 HID_REQ_GET_REPORT);
417 if (ret < 0) {
418 hid_err(hdev, "Asus failed to request functions: %d\n", ret);
419 kfree(readbuf);
420 return ret;
421 }
422
423 *kbd_func = readbuf[6];
424
425 kfree(readbuf);
426 return ret;
427}
428
429static int rog_nkey_led_init(struct hid_device *hdev)
430{
431 u8 buf_init_start[] = { FEATURE_KBD_LED_REPORT_ID1, 0xB9 };
432 u8 buf_init2[] = { FEATURE_KBD_LED_REPORT_ID1, 0x41, 0x53, 0x55, 0x53, 0x20,
433 0x54, 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
434 u8 buf_init3[] = { FEATURE_KBD_LED_REPORT_ID1,
435 0x05, 0x20, 0x31, 0x00, 0x08 };
436 int ret;
437
438 hid_info(hdev, "Asus initialise N-KEY Device");
439
440 ret = asus_kbd_set_report(hdev, buf_init_start, sizeof(buf_init_start));
441 if (ret < 0) {
442 hid_warn(hdev, "Asus failed to send init start command: %d\n", ret);
443 return ret;
444 }
445
446 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
447 if (ret < 0) {
448 hid_warn(hdev, "Asus failed to send init command 1.0: %d\n", ret);
449 return ret;
450 }
451
452 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
453 if (ret < 0) {
454 hid_warn(hdev, "Asus failed to send init command 1.1: %d\n", ret);
455 return ret;
456 }
457
458
459 buf_init2[0] = FEATURE_KBD_LED_REPORT_ID2;
460 buf_init3[0] = FEATURE_KBD_LED_REPORT_ID2;
461
462 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
463 if (ret < 0) {
464 hid_warn(hdev, "Asus failed to send init command 2.0: %d\n", ret);
465 return ret;
466 }
467 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
468 if (ret < 0)
469 hid_warn(hdev, "Asus failed to send init command 2.1: %d\n", ret);
470
471 return ret;
472}
473
474static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
475 enum led_brightness brightness)
476{
477 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
478 cdev);
479 if (led->brightness == brightness)
480 return;
481
482 led->brightness = brightness;
483 schedule_work(&led->work);
484}
485
486static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
487{
488 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
489 cdev);
490
491 return led->brightness;
492}
493
494static void asus_kbd_backlight_work(struct work_struct *work)
495{
496 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
497 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
498 int ret;
499
500 if (led->removed)
501 return;
502
503 buf[4] = led->brightness;
504
505 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
506 if (ret < 0)
507 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
508}
509
510
511
512
513
514static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
515{
516 u32 value;
517 int ret;
518
519 if (!IS_ENABLED(CONFIG_ASUS_WMI))
520 return false;
521
522 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
523 ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
524 hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
525 if (ret)
526 return false;
527
528 return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
529}
530
531static int asus_kbd_register_leds(struct hid_device *hdev)
532{
533 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
534 unsigned char kbd_func;
535 int ret;
536
537 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
538 ret = rog_nkey_led_init(hdev);
539 if (ret < 0)
540 return ret;
541 } else {
542
543 ret = asus_kbd_init(hdev);
544 if (ret < 0)
545 return ret;
546
547
548 ret = asus_kbd_get_functions(hdev, &kbd_func);
549 if (ret < 0)
550 return ret;
551
552
553 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
554 return -ENODEV;
555 }
556
557 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
558 sizeof(struct asus_kbd_leds),
559 GFP_KERNEL);
560 if (!drvdata->kbd_backlight)
561 return -ENOMEM;
562
563 drvdata->kbd_backlight->removed = false;
564 drvdata->kbd_backlight->brightness = 0;
565 drvdata->kbd_backlight->hdev = hdev;
566 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
567 drvdata->kbd_backlight->cdev.max_brightness = 3;
568 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
569 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
570 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
571
572 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
573 if (ret < 0) {
574
575 devm_kfree(&hdev->dev, drvdata->kbd_backlight);
576 }
577
578 return ret;
579}
580
581
582
583
584
585
586
587
588
589
590static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
591{
592 u8 sts;
593 u8 lvl;
594 int val;
595
596 lvl = data[1];
597 sts = data[8];
598
599 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
600
601 switch (sts) {
602 case BATTERY_STAT_CHARGING:
603 val = POWER_SUPPLY_STATUS_CHARGING;
604 break;
605 case BATTERY_STAT_FULL:
606 val = POWER_SUPPLY_STATUS_FULL;
607 break;
608 case BATTERY_STAT_DISCONNECT:
609 default:
610 val = POWER_SUPPLY_STATUS_DISCHARGING;
611 break;
612 }
613 drvdata->battery_stat = val;
614
615 return 0;
616}
617
618static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
619{
620
621 if ((drvdata->battery_in_query == false) &&
622 (size == BATTERY_REPORT_SIZE))
623 power_supply_changed(drvdata->battery);
624
625 return 0;
626}
627
628static int asus_battery_query(struct asus_drvdata *drvdata)
629{
630 u8 *buf;
631 int ret = 0;
632
633 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
634 if (!buf)
635 return -ENOMEM;
636
637 drvdata->battery_in_query = true;
638 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
639 buf, BATTERY_REPORT_SIZE,
640 HID_INPUT_REPORT, HID_REQ_GET_REPORT);
641 drvdata->battery_in_query = false;
642 if (ret == BATTERY_REPORT_SIZE)
643 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
644 else
645 ret = -ENODATA;
646
647 kfree(buf);
648
649 return ret;
650}
651
652static enum power_supply_property asus_battery_props[] = {
653 POWER_SUPPLY_PROP_STATUS,
654 POWER_SUPPLY_PROP_PRESENT,
655 POWER_SUPPLY_PROP_CAPACITY,
656 POWER_SUPPLY_PROP_SCOPE,
657 POWER_SUPPLY_PROP_MODEL_NAME,
658};
659
660#define QUERY_MIN_INTERVAL (60 * HZ)
661
662static int asus_battery_get_property(struct power_supply *psy,
663 enum power_supply_property psp,
664 union power_supply_propval *val)
665{
666 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
667 int ret = 0;
668
669 switch (psp) {
670 case POWER_SUPPLY_PROP_STATUS:
671 case POWER_SUPPLY_PROP_CAPACITY:
672 if (time_before(drvdata->battery_next_query, jiffies)) {
673 drvdata->battery_next_query =
674 jiffies + QUERY_MIN_INTERVAL;
675 ret = asus_battery_query(drvdata);
676 if (ret)
677 return ret;
678 }
679 if (psp == POWER_SUPPLY_PROP_STATUS)
680 val->intval = drvdata->battery_stat;
681 else
682 val->intval = drvdata->battery_capacity;
683 break;
684 case POWER_SUPPLY_PROP_PRESENT:
685 val->intval = 1;
686 break;
687 case POWER_SUPPLY_PROP_SCOPE:
688 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
689 break;
690 case POWER_SUPPLY_PROP_MODEL_NAME:
691 val->strval = drvdata->hdev->name;
692 break;
693 default:
694 ret = -EINVAL;
695 break;
696 }
697
698 return ret;
699}
700
701static int asus_battery_probe(struct hid_device *hdev)
702{
703 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
704 struct power_supply_config pscfg = { .drv_data = drvdata };
705 int ret = 0;
706
707 drvdata->battery_capacity = 0;
708 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
709 drvdata->battery_in_query = false;
710
711 drvdata->battery_desc.properties = asus_battery_props;
712 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
713 drvdata->battery_desc.get_property = asus_battery_get_property;
714 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
715 drvdata->battery_desc.use_for_apm = 0;
716 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
717 "asus-keyboard-%s-battery",
718 strlen(hdev->uniq) ?
719 hdev->uniq : dev_name(&hdev->dev));
720 if (!drvdata->battery_desc.name)
721 return -ENOMEM;
722
723 drvdata->battery_next_query = jiffies;
724
725 drvdata->battery = devm_power_supply_register(&hdev->dev,
726 &(drvdata->battery_desc), &pscfg);
727 if (IS_ERR(drvdata->battery)) {
728 ret = PTR_ERR(drvdata->battery);
729 drvdata->battery = NULL;
730 hid_err(hdev, "Unable to register battery device\n");
731 return ret;
732 }
733
734 power_supply_powers(drvdata->battery, &hdev->dev);
735
736 return ret;
737}
738
739static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
740{
741 struct input_dev *input = hi->input;
742 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
743
744
745 if (drvdata->quirks & QUIRK_T100CHI &&
746 hi->report->id != T100CHI_MOUSE_REPORT_ID)
747 return 0;
748
749
750 if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) {
751 switch (hi->report->id) {
752 case E1239T_TP_TOGGLE_REPORT_ID:
753 input_set_capability(input, EV_KEY, KEY_F21);
754 input->name = "Asus Touchpad Keys";
755 drvdata->tp_kbd_input = input;
756 return 0;
757 case INPUT_REPORT_ID:
758 break;
759 default:
760 return 0;
761 }
762 }
763
764 if (drvdata->tp) {
765 int ret;
766
767 input_set_abs_params(input, ABS_MT_POSITION_X, 0,
768 drvdata->tp->max_x, 0, 0);
769 input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
770 drvdata->tp->max_y, 0, 0);
771 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
772 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
773
774 if (drvdata->tp->contact_size >= 5) {
775 input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
776 MAX_TOUCH_MAJOR, 0, 0);
777 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
778 MAX_TOUCH_MAJOR, 0, 0);
779 input_set_abs_params(input, ABS_MT_PRESSURE, 0,
780 MAX_PRESSURE, 0, 0);
781 }
782
783 __set_bit(BTN_LEFT, input->keybit);
784 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
785
786 ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
787 INPUT_MT_POINTER);
788
789 if (ret) {
790 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
791 return ret;
792 }
793 }
794
795 drvdata->input = input;
796
797 if (drvdata->enable_backlight &&
798 !asus_kbd_wmi_led_control_present(hdev) &&
799 asus_kbd_register_leds(hdev))
800 hid_warn(hdev, "Failed to initialize backlight.\n");
801
802 return 0;
803}
804
805#define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
806 max, EV_KEY, (c))
807static int asus_input_mapping(struct hid_device *hdev,
808 struct hid_input *hi, struct hid_field *field,
809 struct hid_usage *usage, unsigned long **bit,
810 int *max)
811{
812 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
813
814 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
815
816
817
818 return -1;
819 }
820
821
822
823
824
825
826 if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) &&
827 (field->application == (HID_UP_GENDESK | 0x0080) ||
828 field->application == HID_GD_MOUSE ||
829 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
830 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
831 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)))
832 return -1;
833
834
835 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) {
836 switch (usage->hid & HID_USAGE) {
837 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
838 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
839 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
840 case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
841 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
842 case 0x82: asus_map_key_clear(KEY_CAMERA); break;
843 case 0x88: asus_map_key_clear(KEY_RFKILL); break;
844 case 0xb5: asus_map_key_clear(KEY_CALC); break;
845 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
846 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
847
848
849 case 0x6b: asus_map_key_clear(KEY_F21); break;
850
851
852 case 0x38: asus_map_key_clear(KEY_PROG1); break;
853
854
855 case 0xba: asus_map_key_clear(KEY_PROG2); break;
856
857
858 case 0x5c: asus_map_key_clear(KEY_PROG3); break;
859
860
861 case 0x99: asus_map_key_clear(KEY_PROG4); break;
862
863
864 case 0xae: asus_map_key_clear(KEY_PROG4); break;
865
866
867 case 0x92: asus_map_key_clear(KEY_CALC); break;
868
869
870 case 0xb2: asus_map_key_clear(KEY_PROG2); break;
871
872
873 case 0xb3: asus_map_key_clear(KEY_PROG3); break;
874
875 default:
876
877
878 return -1;
879 }
880
881
882
883
884
885
886
887 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
888 drvdata->enable_backlight = true;
889
890 set_bit(EV_REP, hi->input->evbit);
891 return 1;
892 }
893
894 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
895 switch (usage->hid & HID_USAGE) {
896 case 0xff01: asus_map_key_clear(BTN_1); break;
897 case 0xff02: asus_map_key_clear(BTN_2); break;
898 case 0xff03: asus_map_key_clear(BTN_3); break;
899 case 0xff04: asus_map_key_clear(BTN_4); break;
900 case 0xff05: asus_map_key_clear(BTN_5); break;
901 case 0xff06: asus_map_key_clear(BTN_6); break;
902 case 0xff07: asus_map_key_clear(BTN_7); break;
903 case 0xff08: asus_map_key_clear(BTN_8); break;
904 case 0xff09: asus_map_key_clear(BTN_9); break;
905 case 0xff0a: asus_map_key_clear(BTN_A); break;
906 case 0xff0b: asus_map_key_clear(BTN_B); break;
907 case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
908 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
909 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
910 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
911 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
912 case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
913 default:
914 return 0;
915 }
916
917 set_bit(EV_REP, hi->input->evbit);
918 return 1;
919 }
920
921 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
922 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
923 switch (usage->hid & HID_USAGE) {
924 case 0xe2:
925 case 0xe9:
926 case 0xea:
927 return 0;
928 default:
929
930
931
932 return -1;
933 }
934 }
935
936
937
938
939
940 if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
941 usage->hid == (HID_UP_CONSUMER | 0xe2)) {
942 input_set_capability(hi->input, EV_KEY, KEY_MUTE);
943 return -1;
944 }
945
946 return 0;
947}
948
949static int asus_start_multitouch(struct hid_device *hdev)
950{
951 int ret;
952 static const unsigned char buf[] = {
953 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
954 };
955 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
956
957 if (!dmabuf) {
958 ret = -ENOMEM;
959 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
960 return ret;
961 }
962
963 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
964 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
965
966 kfree(dmabuf);
967
968 if (ret != sizeof(buf)) {
969 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
970 return ret;
971 }
972
973 return 0;
974}
975
976static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
977{
978 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
979
980 if (drvdata->tp)
981 return asus_start_multitouch(hdev);
982
983 return 0;
984}
985
986static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
987{
988 int ret;
989 struct asus_drvdata *drvdata;
990
991 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
992 if (drvdata == NULL) {
993 hid_err(hdev, "Can't alloc Asus descriptor\n");
994 return -ENOMEM;
995 }
996
997 hid_set_drvdata(hdev, drvdata);
998
999 drvdata->quirks = id->driver_data;
1000
1001
1002
1003
1004
1005 if (strstr(hdev->name, "T90CHI")) {
1006 drvdata->quirks &= ~QUIRK_T100CHI;
1007 drvdata->quirks |= QUIRK_T90CHI;
1008 }
1009
1010 if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
1011 drvdata->tp = &asus_i2c_tp;
1012
1013 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) &&
1014 hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
1015 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
1016
1017 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
1018 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
1019
1020
1021
1022
1023
1024 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
1025 drvdata->tp = &asus_t100ha_tp;
1026 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
1027 drvdata->tp = &asus_t200ta_tp;
1028 else
1029 drvdata->tp = &asus_t100ta_tp;
1030 }
1031 }
1032
1033 if (drvdata->quirks & QUIRK_T100CHI) {
1034
1035
1036
1037
1038 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1039 drvdata->tp = &asus_t100chi_tp;
1040 }
1041
1042 if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
1043 hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
1044 struct usb_host_interface *alt =
1045 to_usb_interface(hdev->dev.parent)->altsetting;
1046
1047 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
1048
1049 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1050 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
1051 drvdata->tp = &medion_e1239t_tp;
1052 }
1053 }
1054
1055 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
1056 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
1057
1058 drvdata->hdev = hdev;
1059
1060 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1061 ret = asus_battery_probe(hdev);
1062 if (ret) {
1063 hid_err(hdev,
1064 "Asus hid battery_probe failed: %d\n", ret);
1065 return ret;
1066 }
1067 }
1068
1069 ret = hid_parse(hdev);
1070 if (ret) {
1071 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
1072 return ret;
1073 }
1074
1075
1076 if (id->driver_data & QUIRK_T101HA_DOCK &&
1077 hdev->collection->usage == HID_GD_MOUSE)
1078 return -ENODEV;
1079
1080 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1081 if (ret) {
1082 hid_err(hdev, "Asus hw start failed: %d\n", ret);
1083 return ret;
1084 }
1085
1086 if (!drvdata->input) {
1087 hid_err(hdev, "Asus input not registered\n");
1088 ret = -ENOMEM;
1089 goto err_stop_hw;
1090 }
1091
1092 if (drvdata->tp) {
1093 drvdata->input->name = "Asus TouchPad";
1094 } else {
1095 drvdata->input->name = "Asus Keyboard";
1096 }
1097
1098 if (drvdata->tp) {
1099 ret = asus_start_multitouch(hdev);
1100 if (ret)
1101 goto err_stop_hw;
1102 }
1103
1104 return 0;
1105err_stop_hw:
1106 hid_hw_stop(hdev);
1107 return ret;
1108}
1109
1110static void asus_remove(struct hid_device *hdev)
1111{
1112 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1113
1114 if (drvdata->kbd_backlight) {
1115 drvdata->kbd_backlight->removed = true;
1116 cancel_work_sync(&drvdata->kbd_backlight->work);
1117 }
1118
1119 hid_hw_stop(hdev);
1120}
1121
1122static const __u8 asus_g752_fixed_rdesc[] = {
1123 0x19, 0x00,
1124 0x2A, 0xFF, 0x00,
1125};
1126
1127static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
1128 unsigned int *rsize)
1129{
1130 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1131
1132 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
1133 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
1134 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
1135 rdesc[55] = 0xdd;
1136 }
1137
1138 if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
1139 (*rsize == 76 || *rsize == 101) &&
1140 rdesc[73] == 0x81 && rdesc[74] == 0x01) {
1141 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
1142 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
1143 }
1144
1145 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1146 int rsize_orig;
1147 int offs;
1148
1149 if (drvdata->quirks & QUIRK_T100CHI) {
1150 rsize_orig = 403;
1151 offs = 388;
1152 } else {
1153 rsize_orig = 306;
1154 offs = 291;
1155 }
1156
1157
1158
1159
1160
1161
1162
1163 if (*rsize == rsize_orig &&
1164 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
1165 *rsize = rsize_orig + 1;
1166 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
1167 if (!rdesc)
1168 return NULL;
1169
1170 hid_info(hdev, "Fixing up %s keyb report descriptor\n",
1171 drvdata->quirks & QUIRK_T100CHI ?
1172 "T100CHI" : "T90CHI");
1173 memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
1174 rdesc[offs] = 0x19;
1175 rdesc[offs + 1] = 0x00;
1176 rdesc[offs + 2] = 0x29;
1177 rdesc[offs + 3] = 0xff;
1178 rdesc[offs + 14] = 0x00;
1179 }
1180 }
1181
1182 if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
1183 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
1184
1185 __u8 *new_rdesc;
1186 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
1187
1188 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
1189 if (new_rdesc == NULL)
1190 return rdesc;
1191
1192 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
1193
1194 memcpy(new_rdesc, rdesc, 61);
1195
1196 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
1197
1198 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
1199
1200 *rsize = new_size;
1201 rdesc = new_rdesc;
1202 }
1203
1204 return rdesc;
1205}
1206
1207static const struct hid_device_id asus_devices[] = {
1208 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1209 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
1210 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1211 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
1212 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1213 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
1214 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1215 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
1216 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1217 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
1218 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1219 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
1220 QUIRK_USE_KBD_BACKLIGHT },
1221 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1222 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
1223 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1224 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1225 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
1226 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1227 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1228 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
1229 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1230 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1231 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
1232 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1233 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1234 USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD), QUIRK_T101HA_DOCK },
1235 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
1236 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
1237 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
1238 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
1239 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
1240 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T),
1241 QUIRK_MEDION_E1239T },
1242 { }
1243};
1244MODULE_DEVICE_TABLE(hid, asus_devices);
1245
1246static struct hid_driver asus_driver = {
1247 .name = "asus",
1248 .id_table = asus_devices,
1249 .report_fixup = asus_report_fixup,
1250 .probe = asus_probe,
1251 .remove = asus_remove,
1252 .input_mapping = asus_input_mapping,
1253 .input_configured = asus_input_configured,
1254#ifdef CONFIG_PM
1255 .reset_resume = asus_reset_resume,
1256#endif
1257 .event = asus_event,
1258 .raw_event = asus_raw_event
1259};
1260module_hid_driver(asus_driver);
1261
1262MODULE_LICENSE("GPL");
1263
