1 | // SPDX-License-Identifier: GPL-2.0-or-later |
---|---|
2 | /* |
3 | * HID driver for Asus notebook built-in keyboard. |
4 | * Fixes small logical maximum to match usage maximum. |
5 | * |
6 | * Currently supported devices are: |
7 | * EeeBook X205TA |
8 | * VivoBook E200HA |
9 | * |
10 | * Copyright (c) 2016 Yusuke Fujimaki <usk.fujimaki@gmail.com> |
11 | * |
12 | * This module based on hid-ortek by |
13 | * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> |
14 | * Copyright (c) 2011 Jiri Kosina |
15 | * |
16 | * This module has been updated to add support for Asus i2c touchpad. |
17 | * |
18 | * Copyright (c) 2016 Brendan McGrath <redmcg@redmandi.dyndns.org> |
19 | * Copyright (c) 2016 Victor Vlasenko <victor.vlasenko@sysgears.com> |
20 | * Copyright (c) 2016 Frederik Wenigwieser <frederik.wenigwieser@gmail.com> |
21 | */ |
22 | |
23 | /* |
24 | */ |
25 | |
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> /* For to_usb_interface for T100 touchpad intf check */ |
32 | #include <linux/power_supply.h> |
33 | #include <linux/leds.h> |
34 | |
35 | #include "hid-ids.h" |
36 | |
37 | MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>"); |
38 | MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>"); |
39 | MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>"); |
40 | MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>"); |
41 | MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad"); |
42 | |
43 | #define T100_TPAD_INTF 2 |
44 | #define MEDION_E1239T_TPAD_INTF 1 |
45 | |
46 | #define E1239T_TP_TOGGLE_REPORT_ID 0x05 |
47 | #define T100CHI_MOUSE_REPORT_ID 0x06 |
48 | #define FEATURE_REPORT_ID 0x0d |
49 | #define INPUT_REPORT_ID 0x5d |
50 | #define FEATURE_KBD_REPORT_ID 0x5a |
51 | #define FEATURE_KBD_REPORT_SIZE 16 |
52 | #define FEATURE_KBD_LED_REPORT_ID1 0x5d |
53 | #define FEATURE_KBD_LED_REPORT_ID2 0x5e |
54 | |
55 | #define ROG_ALLY_REPORT_SIZE 64 |
56 | #define ROG_ALLY_X_MIN_MCU 313 |
57 | #define ROG_ALLY_MIN_MCU 319 |
58 | |
59 | #define SUPPORT_KBD_BACKLIGHT BIT(0) |
60 | |
61 | #define MAX_TOUCH_MAJOR 8 |
62 | #define MAX_PRESSURE 128 |
63 | |
64 | #define BTN_LEFT_MASK 0x01 |
65 | #define CONTACT_TOOL_TYPE_MASK 0x80 |
66 | #define CONTACT_X_MSB_MASK 0xf0 |
67 | #define CONTACT_Y_MSB_MASK 0x0f |
68 | #define CONTACT_TOUCH_MAJOR_MASK 0x07 |
69 | #define CONTACT_PRESSURE_MASK 0x7f |
70 | |
71 | #define BATTERY_REPORT_ID (0x03) |
72 | #define BATTERY_REPORT_SIZE (1 + 8) |
73 | #define BATTERY_LEVEL_MAX ((u8)255) |
74 | #define BATTERY_STAT_DISCONNECT (0) |
75 | #define BATTERY_STAT_CHARGING (1) |
76 | #define BATTERY_STAT_FULL (2) |
77 | |
78 | #define QUIRK_FIX_NOTEBOOK_REPORT BIT(0) |
79 | #define QUIRK_NO_INIT_REPORTS BIT(1) |
80 | #define QUIRK_SKIP_INPUT_MAPPING BIT(2) |
81 | #define QUIRK_IS_MULTITOUCH BIT(3) |
82 | #define QUIRK_NO_CONSUMER_USAGES BIT(4) |
83 | #define QUIRK_USE_KBD_BACKLIGHT BIT(5) |
84 | #define QUIRK_T100_KEYBOARD BIT(6) |
85 | #define QUIRK_T100CHI BIT(7) |
86 | #define QUIRK_G752_KEYBOARD BIT(8) |
87 | #define QUIRK_T90CHI BIT(9) |
88 | #define QUIRK_MEDION_E1239T BIT(10) |
89 | #define QUIRK_ROG_NKEY_KEYBOARD BIT(11) |
90 | #define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12) |
91 | #define QUIRK_ROG_ALLY_XPAD BIT(13) |
92 | |
93 | #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \ |
94 | QUIRK_NO_INIT_REPORTS | \ |
95 | QUIRK_NO_CONSUMER_USAGES) |
96 | #define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \ |
97 | QUIRK_SKIP_INPUT_MAPPING | \ |
98 | QUIRK_IS_MULTITOUCH) |
99 | |
100 | #define TRKID_SGN ((TRKID_MAX + 1) >> 1) |
101 | |
102 | struct asus_kbd_leds { |
103 | struct led_classdev cdev; |
104 | struct hid_device *hdev; |
105 | struct work_struct work; |
106 | unsigned int brightness; |
107 | spinlock_t lock; |
108 | bool removed; |
109 | }; |
110 | |
111 | struct asus_touchpad_info { |
112 | int max_x; |
113 | int max_y; |
114 | int res_x; |
115 | int res_y; |
116 | int contact_size; |
117 | int max_contacts; |
118 | int report_size; |
119 | }; |
120 | |
121 | struct asus_drvdata { |
122 | unsigned long quirks; |
123 | struct hid_device *hdev; |
124 | struct input_dev *input; |
125 | struct input_dev *tp_kbd_input; |
126 | struct asus_kbd_leds *kbd_backlight; |
127 | const struct asus_touchpad_info *tp; |
128 | bool enable_backlight; |
129 | struct power_supply *battery; |
130 | struct power_supply_desc battery_desc; |
131 | int battery_capacity; |
132 | int battery_stat; |
133 | bool battery_in_query; |
134 | unsigned long battery_next_query; |
135 | }; |
136 | |
137 | static int asus_report_battery(struct asus_drvdata *, u8 *, int); |
138 | |
139 | static const struct asus_touchpad_info asus_i2c_tp = { |
140 | .max_x = 2794, |
141 | .max_y = 1758, |
142 | .contact_size = 5, |
143 | .max_contacts = 5, |
144 | .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, |
145 | }; |
146 | |
147 | static const struct asus_touchpad_info asus_t100ta_tp = { |
148 | .max_x = 2240, |
149 | .max_y = 1120, |
150 | .res_x = 30, /* units/mm */ |
151 | .res_y = 27, /* units/mm */ |
152 | .contact_size = 5, |
153 | .max_contacts = 5, |
154 | .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, |
155 | }; |
156 | |
157 | static const struct asus_touchpad_info asus_t100ha_tp = { |
158 | .max_x = 2640, |
159 | .max_y = 1320, |
160 | .res_x = 30, /* units/mm */ |
161 | .res_y = 29, /* units/mm */ |
162 | .contact_size = 5, |
163 | .max_contacts = 5, |
164 | .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, |
165 | }; |
166 | |
167 | static const struct asus_touchpad_info asus_t200ta_tp = { |
168 | .max_x = 3120, |
169 | .max_y = 1716, |
170 | .res_x = 30, /* units/mm */ |
171 | .res_y = 28, /* units/mm */ |
172 | .contact_size = 5, |
173 | .max_contacts = 5, |
174 | .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, |
175 | }; |
176 | |
177 | static const struct asus_touchpad_info asus_t100chi_tp = { |
178 | .max_x = 2640, |
179 | .max_y = 1320, |
180 | .res_x = 31, /* units/mm */ |
181 | .res_y = 29, /* units/mm */ |
182 | .contact_size = 3, |
183 | .max_contacts = 4, |
184 | .report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */, |
185 | }; |
186 | |
187 | static const struct asus_touchpad_info medion_e1239t_tp = { |
188 | .max_x = 2640, |
189 | .max_y = 1380, |
190 | .res_x = 29, /* units/mm */ |
191 | .res_y = 28, /* units/mm */ |
192 | .contact_size = 5, |
193 | .max_contacts = 5, |
194 | .report_size = 32 /* 2 byte header + 5 * 5 + 5 byte footer */, |
195 | }; |
196 | |
197 | static void asus_report_contact_down(struct asus_drvdata *drvdat, |
198 | int toolType, u8 *data) |
199 | { |
200 | struct input_dev *input = drvdat->input; |
201 | int touch_major, pressure, x, y; |
202 | |
203 | x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1]; |
204 | y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]); |
205 | |
206 | input_report_abs(dev: input, ABS_MT_POSITION_X, value: x); |
207 | input_report_abs(dev: input, ABS_MT_POSITION_Y, value: y); |
208 | |
209 | if (drvdat->tp->contact_size < 5) |
210 | return; |
211 | |
212 | if (toolType == MT_TOOL_PALM) { |
213 | touch_major = MAX_TOUCH_MAJOR; |
214 | pressure = MAX_PRESSURE; |
215 | } else { |
216 | touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK; |
217 | pressure = data[4] & CONTACT_PRESSURE_MASK; |
218 | } |
219 | |
220 | input_report_abs(dev: input, ABS_MT_TOUCH_MAJOR, value: touch_major); |
221 | input_report_abs(dev: input, ABS_MT_PRESSURE, value: pressure); |
222 | } |
223 | |
224 | /* Required for Synaptics Palm Detection */ |
225 | static void asus_report_tool_width(struct asus_drvdata *drvdat) |
226 | { |
227 | struct input_mt *mt = drvdat->input->mt; |
228 | struct input_mt_slot *oldest; |
229 | int oldid, i; |
230 | |
231 | if (drvdat->tp->contact_size < 5) |
232 | return; |
233 | |
234 | oldest = NULL; |
235 | oldid = mt->trkid; |
236 | |
237 | for (i = 0; i < mt->num_slots; ++i) { |
238 | struct input_mt_slot *ps = &mt->slots[i]; |
239 | int id = input_mt_get_value(slot: ps, ABS_MT_TRACKING_ID); |
240 | |
241 | if (id < 0) |
242 | continue; |
243 | if ((id - oldid) & TRKID_SGN) { |
244 | oldest = ps; |
245 | oldid = id; |
246 | } |
247 | } |
248 | |
249 | if (oldest) { |
250 | input_report_abs(dev: drvdat->input, ABS_TOOL_WIDTH, |
251 | value: input_mt_get_value(slot: oldest, ABS_MT_TOUCH_MAJOR)); |
252 | } |
253 | } |
254 | |
255 | static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size) |
256 | { |
257 | int i, toolType = MT_TOOL_FINGER; |
258 | u8 *contactData = data + 2; |
259 | |
260 | if (size != drvdat->tp->report_size) |
261 | return 0; |
262 | |
263 | for (i = 0; i < drvdat->tp->max_contacts; i++) { |
264 | bool down = !!(data[1] & BIT(i+3)); |
265 | |
266 | if (drvdat->tp->contact_size >= 5) |
267 | toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ? |
268 | MT_TOOL_PALM : MT_TOOL_FINGER; |
269 | |
270 | input_mt_slot(dev: drvdat->input, slot: i); |
271 | input_mt_report_slot_state(dev: drvdat->input, tool_type: toolType, active: down); |
272 | |
273 | if (down) { |
274 | asus_report_contact_down(drvdat, toolType, data: contactData); |
275 | contactData += drvdat->tp->contact_size; |
276 | } |
277 | } |
278 | |
279 | input_report_key(dev: drvdat->input, BTN_LEFT, value: data[1] & BTN_LEFT_MASK); |
280 | asus_report_tool_width(drvdat); |
281 | |
282 | input_mt_sync_frame(dev: drvdat->input); |
283 | input_sync(dev: drvdat->input); |
284 | |
285 | return 1; |
286 | } |
287 | |
288 | static int asus_e1239t_event(struct asus_drvdata *drvdat, u8 *data, int size) |
289 | { |
290 | if (size != 3) |
291 | return 0; |
292 | |
293 | /* Handle broken mute key which only sends press events */ |
294 | if (!drvdat->tp && |
295 | data[0] == 0x02 && data[1] == 0xe2 && data[2] == 0x00) { |
296 | input_report_key(dev: drvdat->input, KEY_MUTE, value: 1); |
297 | input_sync(dev: drvdat->input); |
298 | input_report_key(dev: drvdat->input, KEY_MUTE, value: 0); |
299 | input_sync(dev: drvdat->input); |
300 | return 1; |
301 | } |
302 | |
303 | /* Handle custom touchpad toggle key which only sends press events */ |
304 | if (drvdat->tp_kbd_input && |
305 | data[0] == 0x05 && data[1] == 0x02 && data[2] == 0x28) { |
306 | input_report_key(dev: drvdat->tp_kbd_input, KEY_F21, value: 1); |
307 | input_sync(dev: drvdat->tp_kbd_input); |
308 | input_report_key(dev: drvdat->tp_kbd_input, KEY_F21, value: 0); |
309 | input_sync(dev: drvdat->tp_kbd_input); |
310 | return 1; |
311 | } |
312 | |
313 | return 0; |
314 | } |
315 | |
316 | static int asus_event(struct hid_device *hdev, struct hid_field *field, |
317 | struct hid_usage *usage, __s32 value) |
318 | { |
319 | if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 && |
320 | (usage->hid & HID_USAGE) != 0x00 && |
321 | (usage->hid & HID_USAGE) != 0xff && !usage->type) { |
322 | hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n", |
323 | usage->hid & HID_USAGE); |
324 | } |
325 | |
326 | return 0; |
327 | } |
328 | |
329 | static int asus_raw_event(struct hid_device *hdev, |
330 | struct hid_report *report, u8 *data, int size) |
331 | { |
332 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
333 | |
334 | if (drvdata->battery && data[0] == BATTERY_REPORT_ID) |
335 | return asus_report_battery(drvdata, data, size); |
336 | |
337 | if (drvdata->tp && data[0] == INPUT_REPORT_ID) |
338 | return asus_report_input(drvdat: drvdata, data, size); |
339 | |
340 | if (drvdata->quirks & QUIRK_MEDION_E1239T) |
341 | return asus_e1239t_event(drvdat: drvdata, data, size); |
342 | |
343 | /* |
344 | * Skip these report ID, the device emits a continuous stream associated |
345 | * with the AURA mode it is in which looks like an 'echo'. |
346 | */ |
347 | if (report->id == FEATURE_KBD_LED_REPORT_ID1 || report->id == FEATURE_KBD_LED_REPORT_ID2) |
348 | return -1; |
349 | if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) { |
350 | /* |
351 | * G713 and G733 send these codes on some keypresses, depending on |
352 | * the key pressed it can trigger a shutdown event if not caught. |
353 | */ |
354 | if (data[0] == 0x02 && data[1] == 0x30) { |
355 | return -1; |
356 | } |
357 | } |
358 | |
359 | if (drvdata->quirks & QUIRK_ROG_CLAYMORE_II_KEYBOARD) { |
360 | /* |
361 | * CLAYMORE II keyboard sends this packet when it goes to sleep |
362 | * this causes the whole system to go into suspend. |
363 | */ |
364 | |
365 | if(size == 2 && data[0] == 0x02 && data[1] == 0x00) { |
366 | return -1; |
367 | } |
368 | } |
369 | |
370 | return 0; |
371 | } |
372 | |
373 | static int asus_kbd_set_report(struct hid_device *hdev, const u8 *buf, size_t buf_size) |
374 | { |
375 | unsigned char *dmabuf; |
376 | int ret; |
377 | |
378 | dmabuf = kmemdup(buf, buf_size, GFP_KERNEL); |
379 | if (!dmabuf) |
380 | return -ENOMEM; |
381 | |
382 | /* |
383 | * The report ID should be set from the incoming buffer due to LED and key |
384 | * interfaces having different pages |
385 | */ |
386 | ret = hid_hw_raw_request(hdev, reportnum: buf[0], buf: dmabuf, |
387 | len: buf_size, rtype: HID_FEATURE_REPORT, |
388 | reqtype: HID_REQ_SET_REPORT); |
389 | kfree(objp: dmabuf); |
390 | |
391 | return ret; |
392 | } |
393 | |
394 | static int asus_kbd_init(struct hid_device *hdev, u8 report_id) |
395 | { |
396 | const u8 buf[] = { report_id, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54, |
397 | 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 }; |
398 | int ret; |
399 | |
400 | ret = asus_kbd_set_report(hdev, buf, buf_size: sizeof(buf)); |
401 | if (ret < 0) |
402 | hid_err(hdev, "Asus failed to send init command: %d\n", ret); |
403 | |
404 | return ret; |
405 | } |
406 | |
407 | static int asus_kbd_get_functions(struct hid_device *hdev, |
408 | unsigned char *kbd_func, |
409 | u8 report_id) |
410 | { |
411 | const u8 buf[] = { report_id, 0x05, 0x20, 0x31, 0x00, 0x08 }; |
412 | u8 *readbuf; |
413 | int ret; |
414 | |
415 | ret = asus_kbd_set_report(hdev, buf, buf_size: sizeof(buf)); |
416 | if (ret < 0) { |
417 | hid_err(hdev, "Asus failed to send configuration command: %d\n", ret); |
418 | return ret; |
419 | } |
420 | |
421 | readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL); |
422 | if (!readbuf) |
423 | return -ENOMEM; |
424 | |
425 | ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, buf: readbuf, |
426 | FEATURE_KBD_REPORT_SIZE, rtype: HID_FEATURE_REPORT, |
427 | reqtype: HID_REQ_GET_REPORT); |
428 | if (ret < 0) { |
429 | hid_err(hdev, "Asus failed to request functions: %d\n", ret); |
430 | kfree(objp: readbuf); |
431 | return ret; |
432 | } |
433 | |
434 | *kbd_func = readbuf[6]; |
435 | |
436 | kfree(objp: readbuf); |
437 | return ret; |
438 | } |
439 | |
440 | static int asus_kbd_disable_oobe(struct hid_device *hdev) |
441 | { |
442 | const u8 init[][6] = { |
443 | { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 }, |
444 | { FEATURE_KBD_REPORT_ID, 0xBA, 0xC5, 0xC4 }, |
445 | { FEATURE_KBD_REPORT_ID, 0xD0, 0x8F, 0x01 }, |
446 | { FEATURE_KBD_REPORT_ID, 0xD0, 0x85, 0xFF } |
447 | }; |
448 | int ret; |
449 | |
450 | for (size_t i = 0; i < ARRAY_SIZE(init); i++) { |
451 | ret = asus_kbd_set_report(hdev, buf: init[i], buf_size: sizeof(init[i])); |
452 | if (ret < 0) |
453 | return ret; |
454 | } |
455 | |
456 | hid_info(hdev, "Disabled OOBE for keyboard\n"); |
457 | return 0; |
458 | } |
459 | |
460 | static void asus_schedule_work(struct asus_kbd_leds *led) |
461 | { |
462 | unsigned long flags; |
463 | |
464 | spin_lock_irqsave(&led->lock, flags); |
465 | if (!led->removed) |
466 | schedule_work(work: &led->work); |
467 | spin_unlock_irqrestore(lock: &led->lock, flags); |
468 | } |
469 | |
470 | static void asus_kbd_backlight_set(struct led_classdev *led_cdev, |
471 | enum led_brightness brightness) |
472 | { |
473 | struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, |
474 | cdev); |
475 | unsigned long flags; |
476 | |
477 | spin_lock_irqsave(&led->lock, flags); |
478 | led->brightness = brightness; |
479 | spin_unlock_irqrestore(lock: &led->lock, flags); |
480 | |
481 | asus_schedule_work(led); |
482 | } |
483 | |
484 | static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev) |
485 | { |
486 | struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, |
487 | cdev); |
488 | enum led_brightness brightness; |
489 | unsigned long flags; |
490 | |
491 | spin_lock_irqsave(&led->lock, flags); |
492 | brightness = led->brightness; |
493 | spin_unlock_irqrestore(lock: &led->lock, flags); |
494 | |
495 | return brightness; |
496 | } |
497 | |
498 | static void asus_kbd_backlight_work(struct work_struct *work) |
499 | { |
500 | struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work); |
501 | u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 }; |
502 | int ret; |
503 | unsigned long flags; |
504 | |
505 | spin_lock_irqsave(&led->lock, flags); |
506 | buf[4] = led->brightness; |
507 | spin_unlock_irqrestore(lock: &led->lock, flags); |
508 | |
509 | ret = asus_kbd_set_report(hdev: led->hdev, buf, buf_size: sizeof(buf)); |
510 | if (ret < 0) |
511 | hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret); |
512 | } |
513 | |
514 | /* WMI-based keyboard backlight LED control (via asus-wmi driver) takes |
515 | * precedence. We only activate HID-based backlight control when the |
516 | * WMI control is not available. |
517 | */ |
518 | static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev) |
519 | { |
520 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
521 | u32 value; |
522 | int ret; |
523 | |
524 | if (!IS_ENABLED(CONFIG_ASUS_WMI)) |
525 | return false; |
526 | |
527 | if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && |
528 | dmi_check_system(list: asus_use_hid_led_dmi_ids)) { |
529 | hid_info(hdev, "using HID for asus::kbd_backlight\n"); |
530 | return false; |
531 | } |
532 | |
533 | ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, |
534 | ASUS_WMI_DEVID_KBD_BACKLIGHT, arg1: 0, retval: &value); |
535 | hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value); |
536 | if (ret) |
537 | return false; |
538 | |
539 | return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT); |
540 | } |
541 | |
542 | /* |
543 | * We don't care about any other part of the string except the version section. |
544 | * Example strings: FGA80100.RC72LA.312_T01, FGA80100.RC71LS.318_T01 |
545 | * The bytes "5a 05 03 31 00 1a 13" and possibly more come before the version |
546 | * string, and there may be additional bytes after the version string such as |
547 | * "75 00 74 00 65 00" or a postfix such as "_T01" |
548 | */ |
549 | static int mcu_parse_version_string(const u8 *response, size_t response_size) |
550 | { |
551 | const u8 *end = response + response_size; |
552 | const u8 *p = response; |
553 | int dots, err, version; |
554 | char buf[4]; |
555 | |
556 | dots = 0; |
557 | while (p < end && dots < 2) { |
558 | if (*p++ == '.') |
559 | dots++; |
560 | } |
561 | |
562 | if (dots != 2 || p >= end || (p + 3) >= end) |
563 | return -EINVAL; |
564 | |
565 | memcpy(buf, p, 3); |
566 | buf[3] = '\0'; |
567 | |
568 | err = kstrtoint(s: buf, base: 10, res: &version); |
569 | if (err || version < 0) |
570 | return -EINVAL; |
571 | |
572 | return version; |
573 | } |
574 | |
575 | static int mcu_request_version(struct hid_device *hdev) |
576 | { |
577 | u8 *response __free(kfree) = kzalloc(ROG_ALLY_REPORT_SIZE, GFP_KERNEL); |
578 | const u8 request[] = { 0x5a, 0x05, 0x03, 0x31, 0x00, 0x20 }; |
579 | int ret; |
580 | |
581 | if (!response) |
582 | return -ENOMEM; |
583 | |
584 | ret = asus_kbd_set_report(hdev, buf: request, buf_size: sizeof(request)); |
585 | if (ret < 0) |
586 | return ret; |
587 | |
588 | ret = hid_hw_raw_request(hdev, FEATURE_REPORT_ID, buf: response, |
589 | ROG_ALLY_REPORT_SIZE, rtype: HID_FEATURE_REPORT, |
590 | reqtype: HID_REQ_GET_REPORT); |
591 | if (ret < 0) |
592 | return ret; |
593 | |
594 | ret = mcu_parse_version_string(response, ROG_ALLY_REPORT_SIZE); |
595 | if (ret < 0) { |
596 | pr_err("Failed to parse MCU version: %d\n", ret); |
597 | print_hex_dump(KERN_ERR, prefix_str: "MCU: ", prefix_type: DUMP_PREFIX_NONE, |
598 | rowsize: 16, groupsize: 1, buf: response, ROG_ALLY_REPORT_SIZE, ascii: false); |
599 | } |
600 | |
601 | return ret; |
602 | } |
603 | |
604 | static void validate_mcu_fw_version(struct hid_device *hdev, int idProduct) |
605 | { |
606 | int min_version, version; |
607 | |
608 | version = mcu_request_version(hdev); |
609 | if (version < 0) |
610 | return; |
611 | |
612 | switch (idProduct) { |
613 | case USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY: |
614 | min_version = ROG_ALLY_MIN_MCU; |
615 | break; |
616 | case USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY_X: |
617 | min_version = ROG_ALLY_X_MIN_MCU; |
618 | break; |
619 | default: |
620 | min_version = 0; |
621 | } |
622 | |
623 | if (version < min_version) { |
624 | hid_warn(hdev, |
625 | "The MCU firmware version must be %d or greater to avoid issues with suspend.\n", |
626 | min_version); |
627 | } else { |
628 | set_ally_mcu_hack(ASUS_WMI_ALLY_MCU_HACK_DISABLED); |
629 | set_ally_mcu_powersave(true); |
630 | } |
631 | } |
632 | |
633 | static int asus_kbd_register_leds(struct hid_device *hdev) |
634 | { |
635 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
636 | struct usb_interface *intf; |
637 | struct usb_device *udev; |
638 | unsigned char kbd_func; |
639 | int ret; |
640 | |
641 | if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) { |
642 | /* Initialize keyboard */ |
643 | ret = asus_kbd_init(hdev, FEATURE_KBD_REPORT_ID); |
644 | if (ret < 0) |
645 | return ret; |
646 | |
647 | /* The LED endpoint is initialised in two HID */ |
648 | ret = asus_kbd_init(hdev, FEATURE_KBD_LED_REPORT_ID1); |
649 | if (ret < 0) |
650 | return ret; |
651 | |
652 | ret = asus_kbd_init(hdev, FEATURE_KBD_LED_REPORT_ID2); |
653 | if (ret < 0) |
654 | return ret; |
655 | |
656 | if (dmi_match(f: DMI_PRODUCT_FAMILY, str: "ProArt P16")) { |
657 | ret = asus_kbd_disable_oobe(hdev); |
658 | if (ret < 0) |
659 | return ret; |
660 | } |
661 | |
662 | if (drvdata->quirks & QUIRK_ROG_ALLY_XPAD) { |
663 | intf = to_usb_interface(hdev->dev.parent); |
664 | udev = interface_to_usbdev(intf); |
665 | validate_mcu_fw_version(hdev, |
666 | le16_to_cpu(udev->descriptor.idProduct)); |
667 | } |
668 | |
669 | } else { |
670 | /* Initialize keyboard */ |
671 | ret = asus_kbd_init(hdev, FEATURE_KBD_REPORT_ID); |
672 | if (ret < 0) |
673 | return ret; |
674 | |
675 | /* Get keyboard functions */ |
676 | ret = asus_kbd_get_functions(hdev, kbd_func: &kbd_func, FEATURE_KBD_REPORT_ID); |
677 | if (ret < 0) |
678 | return ret; |
679 | |
680 | /* Check for backlight support */ |
681 | if (!(kbd_func & SUPPORT_KBD_BACKLIGHT)) |
682 | return -ENODEV; |
683 | } |
684 | |
685 | drvdata->kbd_backlight = devm_kzalloc(dev: &hdev->dev, |
686 | size: sizeof(struct asus_kbd_leds), |
687 | GFP_KERNEL); |
688 | if (!drvdata->kbd_backlight) |
689 | return -ENOMEM; |
690 | |
691 | drvdata->kbd_backlight->removed = false; |
692 | drvdata->kbd_backlight->brightness = 0; |
693 | drvdata->kbd_backlight->hdev = hdev; |
694 | drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight"; |
695 | drvdata->kbd_backlight->cdev.max_brightness = 3; |
696 | drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set; |
697 | drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get; |
698 | INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work); |
699 | spin_lock_init(&drvdata->kbd_backlight->lock); |
700 | |
701 | ret = devm_led_classdev_register(parent: &hdev->dev, led_cdev: &drvdata->kbd_backlight->cdev); |
702 | if (ret < 0) { |
703 | /* No need to have this still around */ |
704 | devm_kfree(dev: &hdev->dev, p: drvdata->kbd_backlight); |
705 | } |
706 | |
707 | return ret; |
708 | } |
709 | |
710 | /* |
711 | * [0] REPORT_ID (same value defined in report descriptor) |
712 | * [1] rest battery level. range [0..255] |
713 | * [2]..[7] Bluetooth hardware address (MAC address) |
714 | * [8] charging status |
715 | * = 0 : AC offline / discharging |
716 | * = 1 : AC online / charging |
717 | * = 2 : AC online / fully charged |
718 | */ |
719 | static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size) |
720 | { |
721 | u8 sts; |
722 | u8 lvl; |
723 | int val; |
724 | |
725 | lvl = data[1]; |
726 | sts = data[8]; |
727 | |
728 | drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX; |
729 | |
730 | switch (sts) { |
731 | case BATTERY_STAT_CHARGING: |
732 | val = POWER_SUPPLY_STATUS_CHARGING; |
733 | break; |
734 | case BATTERY_STAT_FULL: |
735 | val = POWER_SUPPLY_STATUS_FULL; |
736 | break; |
737 | case BATTERY_STAT_DISCONNECT: |
738 | default: |
739 | val = POWER_SUPPLY_STATUS_DISCHARGING; |
740 | break; |
741 | } |
742 | drvdata->battery_stat = val; |
743 | |
744 | return 0; |
745 | } |
746 | |
747 | static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size) |
748 | { |
749 | /* notify only the autonomous event by device */ |
750 | if ((drvdata->battery_in_query == false) && |
751 | (size == BATTERY_REPORT_SIZE)) |
752 | power_supply_changed(psy: drvdata->battery); |
753 | |
754 | return 0; |
755 | } |
756 | |
757 | static int asus_battery_query(struct asus_drvdata *drvdata) |
758 | { |
759 | u8 *buf; |
760 | int ret = 0; |
761 | |
762 | buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL); |
763 | if (!buf) |
764 | return -ENOMEM; |
765 | |
766 | drvdata->battery_in_query = true; |
767 | ret = hid_hw_raw_request(hdev: drvdata->hdev, BATTERY_REPORT_ID, |
768 | buf, BATTERY_REPORT_SIZE, |
769 | rtype: HID_INPUT_REPORT, reqtype: HID_REQ_GET_REPORT); |
770 | drvdata->battery_in_query = false; |
771 | if (ret == BATTERY_REPORT_SIZE) |
772 | ret = asus_parse_battery(drvdata, data: buf, BATTERY_REPORT_SIZE); |
773 | else |
774 | ret = -ENODATA; |
775 | |
776 | kfree(objp: buf); |
777 | |
778 | return ret; |
779 | } |
780 | |
781 | static enum power_supply_property asus_battery_props[] = { |
782 | POWER_SUPPLY_PROP_STATUS, |
783 | POWER_SUPPLY_PROP_PRESENT, |
784 | POWER_SUPPLY_PROP_CAPACITY, |
785 | POWER_SUPPLY_PROP_SCOPE, |
786 | POWER_SUPPLY_PROP_MODEL_NAME, |
787 | }; |
788 | |
789 | #define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */ |
790 | |
791 | static int asus_battery_get_property(struct power_supply *psy, |
792 | enum power_supply_property psp, |
793 | union power_supply_propval *val) |
794 | { |
795 | struct asus_drvdata *drvdata = power_supply_get_drvdata(psy); |
796 | int ret = 0; |
797 | |
798 | switch (psp) { |
799 | case POWER_SUPPLY_PROP_STATUS: |
800 | case POWER_SUPPLY_PROP_CAPACITY: |
801 | if (time_before(drvdata->battery_next_query, jiffies)) { |
802 | drvdata->battery_next_query = |
803 | jiffies + QUERY_MIN_INTERVAL; |
804 | ret = asus_battery_query(drvdata); |
805 | if (ret) |
806 | return ret; |
807 | } |
808 | if (psp == POWER_SUPPLY_PROP_STATUS) |
809 | val->intval = drvdata->battery_stat; |
810 | else |
811 | val->intval = drvdata->battery_capacity; |
812 | break; |
813 | case POWER_SUPPLY_PROP_PRESENT: |
814 | val->intval = 1; |
815 | break; |
816 | case POWER_SUPPLY_PROP_SCOPE: |
817 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; |
818 | break; |
819 | case POWER_SUPPLY_PROP_MODEL_NAME: |
820 | val->strval = drvdata->hdev->name; |
821 | break; |
822 | default: |
823 | ret = -EINVAL; |
824 | break; |
825 | } |
826 | |
827 | return ret; |
828 | } |
829 | |
830 | static int asus_battery_probe(struct hid_device *hdev) |
831 | { |
832 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
833 | struct power_supply_config pscfg = { .drv_data = drvdata }; |
834 | int ret = 0; |
835 | |
836 | drvdata->battery_capacity = 0; |
837 | drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN; |
838 | drvdata->battery_in_query = false; |
839 | |
840 | drvdata->battery_desc.properties = asus_battery_props; |
841 | drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props); |
842 | drvdata->battery_desc.get_property = asus_battery_get_property; |
843 | drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY; |
844 | drvdata->battery_desc.use_for_apm = 0; |
845 | drvdata->battery_desc.name = devm_kasprintf(dev: &hdev->dev, GFP_KERNEL, |
846 | fmt: "asus-keyboard-%s-battery", |
847 | strlen(hdev->uniq) ? |
848 | hdev->uniq : dev_name(dev: &hdev->dev)); |
849 | if (!drvdata->battery_desc.name) |
850 | return -ENOMEM; |
851 | |
852 | drvdata->battery_next_query = jiffies; |
853 | |
854 | drvdata->battery = devm_power_supply_register(parent: &hdev->dev, |
855 | desc: &(drvdata->battery_desc), cfg: &pscfg); |
856 | if (IS_ERR(ptr: drvdata->battery)) { |
857 | ret = PTR_ERR(ptr: drvdata->battery); |
858 | drvdata->battery = NULL; |
859 | hid_err(hdev, "Unable to register battery device\n"); |
860 | return ret; |
861 | } |
862 | |
863 | power_supply_powers(psy: drvdata->battery, dev: &hdev->dev); |
864 | |
865 | return ret; |
866 | } |
867 | |
868 | static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi) |
869 | { |
870 | struct input_dev *input = hi->input; |
871 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
872 | |
873 | /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */ |
874 | if (drvdata->quirks & QUIRK_T100CHI && |
875 | hi->report->id != T100CHI_MOUSE_REPORT_ID) |
876 | return 0; |
877 | |
878 | /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */ |
879 | if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) { |
880 | switch (hi->report->id) { |
881 | case E1239T_TP_TOGGLE_REPORT_ID: |
882 | input_set_capability(dev: input, EV_KEY, KEY_F21); |
883 | input->name = "Asus Touchpad Keys"; |
884 | drvdata->tp_kbd_input = input; |
885 | return 0; |
886 | case INPUT_REPORT_ID: |
887 | break; /* Touchpad report, handled below */ |
888 | default: |
889 | return 0; /* Ignore other reports */ |
890 | } |
891 | } |
892 | |
893 | if (drvdata->tp) { |
894 | int ret; |
895 | |
896 | input_set_abs_params(dev: input, ABS_MT_POSITION_X, min: 0, |
897 | max: drvdata->tp->max_x, fuzz: 0, flat: 0); |
898 | input_set_abs_params(dev: input, ABS_MT_POSITION_Y, min: 0, |
899 | max: drvdata->tp->max_y, fuzz: 0, flat: 0); |
900 | input_abs_set_res(dev: input, ABS_MT_POSITION_X, val: drvdata->tp->res_x); |
901 | input_abs_set_res(dev: input, ABS_MT_POSITION_Y, val: drvdata->tp->res_y); |
902 | |
903 | if (drvdata->tp->contact_size >= 5) { |
904 | input_set_abs_params(dev: input, ABS_TOOL_WIDTH, min: 0, |
905 | MAX_TOUCH_MAJOR, fuzz: 0, flat: 0); |
906 | input_set_abs_params(dev: input, ABS_MT_TOUCH_MAJOR, min: 0, |
907 | MAX_TOUCH_MAJOR, fuzz: 0, flat: 0); |
908 | input_set_abs_params(dev: input, ABS_MT_PRESSURE, min: 0, |
909 | MAX_PRESSURE, fuzz: 0, flat: 0); |
910 | } |
911 | |
912 | __set_bit(BTN_LEFT, input->keybit); |
913 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); |
914 | |
915 | ret = input_mt_init_slots(dev: input, num_slots: drvdata->tp->max_contacts, |
916 | INPUT_MT_POINTER); |
917 | |
918 | if (ret) { |
919 | hid_err(hdev, "Asus input mt init slots failed: %d\n", ret); |
920 | return ret; |
921 | } |
922 | } |
923 | |
924 | drvdata->input = input; |
925 | |
926 | if (drvdata->enable_backlight && |
927 | !asus_kbd_wmi_led_control_present(hdev) && |
928 | asus_kbd_register_leds(hdev)) |
929 | hid_warn(hdev, "Failed to initialize backlight.\n"); |
930 | |
931 | return 0; |
932 | } |
933 | |
934 | #define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ |
935 | max, EV_KEY, (c)) |
936 | static int asus_input_mapping(struct hid_device *hdev, |
937 | struct hid_input *hi, struct hid_field *field, |
938 | struct hid_usage *usage, unsigned long **bit, |
939 | int *max) |
940 | { |
941 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
942 | |
943 | if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) { |
944 | /* Don't map anything from the HID report. |
945 | * We do it all manually in asus_input_configured |
946 | */ |
947 | return -1; |
948 | } |
949 | |
950 | /* |
951 | * Ignore a bunch of bogus collections in the T100CHI descriptor. |
952 | * This avoids a bunch of non-functional hid_input devices getting |
953 | * created because of the T100CHI using HID_QUIRK_MULTI_INPUT. |
954 | */ |
955 | if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) && |
956 | (field->application == (HID_UP_GENDESK | 0x0080) || |
957 | field->application == HID_GD_MOUSE || |
958 | usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) || |
959 | usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) || |
960 | usage->hid == (HID_UP_GENDEVCTRLS | 0x0026))) |
961 | return -1; |
962 | |
963 | /* ASUS-specific keyboard hotkeys and led backlight */ |
964 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) { |
965 | switch (usage->hid & HID_USAGE) { |
966 | case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; |
967 | case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break; |
968 | case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break; |
969 | case 0x6c: asus_map_key_clear(KEY_SLEEP); break; |
970 | case 0x7c: asus_map_key_clear(KEY_MICMUTE); break; |
971 | case 0x82: asus_map_key_clear(KEY_CAMERA); break; |
972 | case 0x88: asus_map_key_clear(KEY_RFKILL); break; |
973 | case 0xb5: asus_map_key_clear(KEY_CALC); break; |
974 | case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break; |
975 | case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break; |
976 | case 0xc7: asus_map_key_clear(KEY_KBDILLUMTOGGLE); break; |
977 | |
978 | case 0x6b: asus_map_key_clear(KEY_F21); break; /* ASUS touchpad toggle */ |
979 | case 0x38: asus_map_key_clear(KEY_PROG1); break; /* ROG key */ |
980 | case 0xba: asus_map_key_clear(KEY_PROG2); break; /* Fn+C ASUS Splendid */ |
981 | case 0x5c: asus_map_key_clear(KEY_PROG3); break; /* Fn+Space Power4Gear */ |
982 | case 0x99: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */ |
983 | case 0xae: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */ |
984 | case 0x92: asus_map_key_clear(KEY_CALC); break; /* Fn+Ret "Calc" symbol */ |
985 | case 0xb2: asus_map_key_clear(KEY_PROG2); break; /* Fn+Left previous aura */ |
986 | case 0xb3: asus_map_key_clear(KEY_PROG3); break; /* Fn+Left next aura */ |
987 | case 0x6a: asus_map_key_clear(KEY_F13); break; /* Screenpad toggle */ |
988 | case 0x4b: asus_map_key_clear(KEY_F14); break; /* Arrows/Pg-Up/Dn toggle */ |
989 | case 0xa5: asus_map_key_clear(KEY_F15); break; /* ROG Ally left back */ |
990 | case 0xa6: asus_map_key_clear(KEY_F16); break; /* ROG Ally QAM button */ |
991 | case 0xa7: asus_map_key_clear(KEY_F17); break; /* ROG Ally ROG long-press */ |
992 | case 0xa8: asus_map_key_clear(KEY_F18); break; /* ROG Ally ROG long-press-release */ |
993 | |
994 | default: |
995 | /* ASUS lazily declares 256 usages, ignore the rest, |
996 | * as some make the keyboard appear as a pointer device. */ |
997 | return -1; |
998 | } |
999 | |
1000 | /* |
1001 | * Check and enable backlight only on devices with UsagePage == |
1002 | * 0xff31 to avoid initializing the keyboard firmware multiple |
1003 | * times on devices with multiple HID descriptors but same |
1004 | * PID/VID. |
1005 | */ |
1006 | if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) |
1007 | drvdata->enable_backlight = true; |
1008 | |
1009 | set_bit(EV_REP, addr: hi->input->evbit); |
1010 | return 1; |
1011 | } |
1012 | |
1013 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) { |
1014 | switch (usage->hid & HID_USAGE) { |
1015 | case 0xff01: asus_map_key_clear(BTN_1); break; |
1016 | case 0xff02: asus_map_key_clear(BTN_2); break; |
1017 | case 0xff03: asus_map_key_clear(BTN_3); break; |
1018 | case 0xff04: asus_map_key_clear(BTN_4); break; |
1019 | case 0xff05: asus_map_key_clear(BTN_5); break; |
1020 | case 0xff06: asus_map_key_clear(BTN_6); break; |
1021 | case 0xff07: asus_map_key_clear(BTN_7); break; |
1022 | case 0xff08: asus_map_key_clear(BTN_8); break; |
1023 | case 0xff09: asus_map_key_clear(BTN_9); break; |
1024 | case 0xff0a: asus_map_key_clear(BTN_A); break; |
1025 | case 0xff0b: asus_map_key_clear(BTN_B); break; |
1026 | case 0x00f1: asus_map_key_clear(KEY_WLAN); break; |
1027 | case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; |
1028 | case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break; |
1029 | case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break; |
1030 | case 0x00f7: asus_map_key_clear(KEY_CAMERA); break; |
1031 | case 0x00f8: asus_map_key_clear(KEY_PROG1); break; |
1032 | default: |
1033 | return 0; |
1034 | } |
1035 | |
1036 | set_bit(EV_REP, addr: hi->input->evbit); |
1037 | return 1; |
1038 | } |
1039 | |
1040 | if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES && |
1041 | (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { |
1042 | switch (usage->hid & HID_USAGE) { |
1043 | case 0xe2: /* Mute */ |
1044 | case 0xe9: /* Volume up */ |
1045 | case 0xea: /* Volume down */ |
1046 | return 0; |
1047 | default: |
1048 | /* Ignore dummy Consumer usages which make the |
1049 | * keyboard incorrectly appear as a pointer device. |
1050 | */ |
1051 | return -1; |
1052 | } |
1053 | } |
1054 | |
1055 | /* |
1056 | * The mute button is broken and only sends press events, we |
1057 | * deal with this in our raw_event handler, so do not map it. |
1058 | */ |
1059 | if ((drvdata->quirks & QUIRK_MEDION_E1239T) && |
1060 | usage->hid == (HID_UP_CONSUMER | 0xe2)) { |
1061 | input_set_capability(dev: hi->input, EV_KEY, KEY_MUTE); |
1062 | return -1; |
1063 | } |
1064 | |
1065 | return 0; |
1066 | } |
1067 | |
1068 | static int asus_start_multitouch(struct hid_device *hdev) |
1069 | { |
1070 | int ret; |
1071 | static const unsigned char buf[] = { |
1072 | FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 |
1073 | }; |
1074 | unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL); |
1075 | |
1076 | if (!dmabuf) { |
1077 | ret = -ENOMEM; |
1078 | hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret); |
1079 | return ret; |
1080 | } |
1081 | |
1082 | ret = hid_hw_raw_request(hdev, reportnum: dmabuf[0], buf: dmabuf, len: sizeof(buf), |
1083 | rtype: HID_FEATURE_REPORT, reqtype: HID_REQ_SET_REPORT); |
1084 | |
1085 | kfree(objp: dmabuf); |
1086 | |
1087 | if (ret != sizeof(buf)) { |
1088 | hid_err(hdev, "Asus failed to start multitouch: %d\n", ret); |
1089 | return ret; |
1090 | } |
1091 | |
1092 | return 0; |
1093 | } |
1094 | |
1095 | static int __maybe_unused asus_resume(struct hid_device *hdev) { |
1096 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
1097 | int ret = 0; |
1098 | |
1099 | if (drvdata->kbd_backlight) { |
1100 | const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, |
1101 | drvdata->kbd_backlight->cdev.brightness }; |
1102 | ret = asus_kbd_set_report(hdev, buf, buf_size: sizeof(buf)); |
1103 | if (ret < 0) { |
1104 | hid_err(hdev, "Asus failed to set keyboard backlight: %d\n", ret); |
1105 | goto asus_resume_err; |
1106 | } |
1107 | } |
1108 | |
1109 | asus_resume_err: |
1110 | return ret; |
1111 | } |
1112 | |
1113 | static int __maybe_unused asus_reset_resume(struct hid_device *hdev) |
1114 | { |
1115 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
1116 | |
1117 | if (drvdata->tp) |
1118 | return asus_start_multitouch(hdev); |
1119 | |
1120 | return 0; |
1121 | } |
1122 | |
1123 | static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id) |
1124 | { |
1125 | int ret; |
1126 | struct asus_drvdata *drvdata; |
1127 | |
1128 | drvdata = devm_kzalloc(dev: &hdev->dev, size: sizeof(*drvdata), GFP_KERNEL); |
1129 | if (drvdata == NULL) { |
1130 | hid_err(hdev, "Can't alloc Asus descriptor\n"); |
1131 | return -ENOMEM; |
1132 | } |
1133 | |
1134 | hid_set_drvdata(hdev, data: drvdata); |
1135 | |
1136 | drvdata->quirks = id->driver_data; |
1137 | |
1138 | /* |
1139 | * T90CHI's keyboard dock returns same ID values as T100CHI's dock. |
1140 | * Thus, identify T90CHI dock with product name string. |
1141 | */ |
1142 | if (strstr(hdev->name, "T90CHI")) { |
1143 | drvdata->quirks &= ~QUIRK_T100CHI; |
1144 | drvdata->quirks |= QUIRK_T90CHI; |
1145 | } |
1146 | |
1147 | if (drvdata->quirks & QUIRK_IS_MULTITOUCH) |
1148 | drvdata->tp = &asus_i2c_tp; |
1149 | |
1150 | if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) { |
1151 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
1152 | |
1153 | if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) { |
1154 | drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING; |
1155 | /* |
1156 | * The T100HA uses the same USB-ids as the T100TAF and |
1157 | * the T200TA uses the same USB-ids as the T100TA, while |
1158 | * both have different max x/y values as the T100TA[F]. |
1159 | */ |
1160 | if (dmi_match(f: DMI_PRODUCT_NAME, str: "T100HAN")) |
1161 | drvdata->tp = &asus_t100ha_tp; |
1162 | else if (dmi_match(f: DMI_PRODUCT_NAME, str: "T200TA")) |
1163 | drvdata->tp = &asus_t200ta_tp; |
1164 | else |
1165 | drvdata->tp = &asus_t100ta_tp; |
1166 | } |
1167 | } |
1168 | |
1169 | if (drvdata->quirks & QUIRK_T100CHI) { |
1170 | /* |
1171 | * All functionality is on a single HID interface and for |
1172 | * userspace the touchpad must be a separate input_dev. |
1173 | */ |
1174 | hdev->quirks |= HID_QUIRK_MULTI_INPUT; |
1175 | drvdata->tp = &asus_t100chi_tp; |
1176 | } |
1177 | |
1178 | if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) { |
1179 | struct usb_host_interface *alt = |
1180 | to_usb_interface(hdev->dev.parent)->altsetting; |
1181 | |
1182 | if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) { |
1183 | /* For separate input-devs for tp and tp toggle key */ |
1184 | hdev->quirks |= HID_QUIRK_MULTI_INPUT; |
1185 | drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING; |
1186 | drvdata->tp = &medion_e1239t_tp; |
1187 | } |
1188 | } |
1189 | |
1190 | if (drvdata->quirks & QUIRK_NO_INIT_REPORTS) |
1191 | hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; |
1192 | |
1193 | drvdata->hdev = hdev; |
1194 | |
1195 | if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { |
1196 | ret = asus_battery_probe(hdev); |
1197 | if (ret) { |
1198 | hid_err(hdev, |
1199 | "Asus hid battery_probe failed: %d\n", ret); |
1200 | return ret; |
1201 | } |
1202 | } |
1203 | |
1204 | ret = hid_parse(hdev); |
1205 | if (ret) { |
1206 | hid_err(hdev, "Asus hid parse failed: %d\n", ret); |
1207 | return ret; |
1208 | } |
1209 | |
1210 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
1211 | if (ret) { |
1212 | hid_err(hdev, "Asus hw start failed: %d\n", ret); |
1213 | return ret; |
1214 | } |
1215 | |
1216 | if (!drvdata->input) { |
1217 | hid_err(hdev, "Asus input not registered\n"); |
1218 | ret = -ENOMEM; |
1219 | goto err_stop_hw; |
1220 | } |
1221 | |
1222 | if (drvdata->tp) { |
1223 | drvdata->input->name = "Asus TouchPad"; |
1224 | } else { |
1225 | drvdata->input->name = "Asus Keyboard"; |
1226 | } |
1227 | |
1228 | if (drvdata->tp) { |
1229 | ret = asus_start_multitouch(hdev); |
1230 | if (ret) |
1231 | goto err_stop_hw; |
1232 | } |
1233 | |
1234 | return 0; |
1235 | err_stop_hw: |
1236 | hid_hw_stop(hdev); |
1237 | return ret; |
1238 | } |
1239 | |
1240 | static void asus_remove(struct hid_device *hdev) |
1241 | { |
1242 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
1243 | unsigned long flags; |
1244 | |
1245 | if (drvdata->kbd_backlight) { |
1246 | spin_lock_irqsave(&drvdata->kbd_backlight->lock, flags); |
1247 | drvdata->kbd_backlight->removed = true; |
1248 | spin_unlock_irqrestore(lock: &drvdata->kbd_backlight->lock, flags); |
1249 | |
1250 | cancel_work_sync(work: &drvdata->kbd_backlight->work); |
1251 | } |
1252 | |
1253 | hid_hw_stop(hdev); |
1254 | } |
1255 | |
1256 | static const __u8 asus_g752_fixed_rdesc[] = { |
1257 | 0x19, 0x00, /* Usage Minimum (0x00) */ |
1258 | 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */ |
1259 | }; |
1260 | |
1261 | static const __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
1262 | unsigned int *rsize) |
1263 | { |
1264 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
1265 | |
1266 | if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT && |
1267 | *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) { |
1268 | hid_info(hdev, "Fixing up Asus notebook report descriptor\n"); |
1269 | rdesc[55] = 0xdd; |
1270 | } |
1271 | /* For the T100TA/T200TA keyboard dock */ |
1272 | if (drvdata->quirks & QUIRK_T100_KEYBOARD && |
1273 | (*rsize == 76 || *rsize == 101) && |
1274 | rdesc[73] == 0x81 && rdesc[74] == 0x01) { |
1275 | hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n"); |
1276 | rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT; |
1277 | } |
1278 | /* For the T100CHI/T90CHI keyboard dock */ |
1279 | if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { |
1280 | int rsize_orig; |
1281 | int offs; |
1282 | |
1283 | if (drvdata->quirks & QUIRK_T100CHI) { |
1284 | rsize_orig = 403; |
1285 | offs = 388; |
1286 | } else { |
1287 | rsize_orig = 306; |
1288 | offs = 291; |
1289 | } |
1290 | |
1291 | /* |
1292 | * Change Usage (76h) to Usage Minimum (00h), Usage Maximum |
1293 | * (FFh) and clear the flags in the Input() byte. |
1294 | * Note the descriptor has a bogus 0 byte at the end so we |
1295 | * only need 1 extra byte. |
1296 | */ |
1297 | if (*rsize == rsize_orig && |
1298 | rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) { |
1299 | *rsize = rsize_orig + 1; |
1300 | rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL); |
1301 | if (!rdesc) |
1302 | return NULL; |
1303 | |
1304 | hid_info(hdev, "Fixing up %s keyb report descriptor\n", |
1305 | drvdata->quirks & QUIRK_T100CHI ? |
1306 | "T100CHI": "T90CHI"); |
1307 | memmove(rdesc + offs + 4, rdesc + offs + 2, 12); |
1308 | rdesc[offs] = 0x19; |
1309 | rdesc[offs + 1] = 0x00; |
1310 | rdesc[offs + 2] = 0x29; |
1311 | rdesc[offs + 3] = 0xff; |
1312 | rdesc[offs + 14] = 0x00; |
1313 | } |
1314 | } |
1315 | |
1316 | if (drvdata->quirks & QUIRK_G752_KEYBOARD && |
1317 | *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) { |
1318 | /* report is missing usage minimum and maximum */ |
1319 | __u8 *new_rdesc; |
1320 | size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc); |
1321 | |
1322 | new_rdesc = devm_kzalloc(dev: &hdev->dev, size: new_size, GFP_KERNEL); |
1323 | if (new_rdesc == NULL) |
1324 | return rdesc; |
1325 | |
1326 | hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n"); |
1327 | /* copy the valid part */ |
1328 | memcpy(new_rdesc, rdesc, 61); |
1329 | /* insert missing part */ |
1330 | memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc)); |
1331 | /* copy remaining data */ |
1332 | memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61); |
1333 | |
1334 | *rsize = new_size; |
1335 | rdesc = new_rdesc; |
1336 | } |
1337 | |
1338 | if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && |
1339 | *rsize == 331 && rdesc[190] == 0x85 && rdesc[191] == 0x5a && |
1340 | rdesc[204] == 0x95 && rdesc[205] == 0x05) { |
1341 | hid_info(hdev, "Fixing up Asus N-KEY keyb report descriptor\n"); |
1342 | rdesc[205] = 0x01; |
1343 | } |
1344 | |
1345 | /* match many more n-key devices */ |
1346 | if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && *rsize > 15) { |
1347 | for (int i = 0; i < *rsize - 15; i++) { |
1348 | /* offset to the count from 0x5a report part always 14 */ |
1349 | if (rdesc[i] == 0x85 && rdesc[i + 1] == 0x5a && |
1350 | rdesc[i + 14] == 0x95 && rdesc[i + 15] == 0x05) { |
1351 | hid_info(hdev, "Fixing up Asus N-Key report descriptor\n"); |
1352 | rdesc[i + 15] = 0x01; |
1353 | break; |
1354 | } |
1355 | } |
1356 | } |
1357 | |
1358 | return rdesc; |
1359 | } |
1360 | |
1361 | static const struct hid_device_id asus_devices[] = { |
1362 | { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1363 | USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS}, |
1364 | { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1365 | USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS }, |
1366 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1367 | USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT }, |
1368 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1369 | USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT }, |
1370 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1371 | USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD }, |
1372 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1373 | USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD), |
1374 | QUIRK_USE_KBD_BACKLIGHT }, |
1375 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1376 | USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD), |
1377 | QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, |
1378 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1379 | USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2), |
1380 | QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, |
1381 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1382 | USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD3), |
1383 | QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, |
1384 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1385 | USB_DEVICE_ID_ASUSTEK_ROG_Z13_LIGHTBAR), |
1386 | QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, |
1387 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1388 | USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY), |
1389 | QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_ROG_ALLY_XPAD}, |
1390 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1391 | USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY_X), |
1392 | QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_ROG_ALLY_XPAD }, |
1393 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1394 | USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD), |
1395 | QUIRK_ROG_CLAYMORE_II_KEYBOARD }, |
1396 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1397 | USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD), |
1398 | QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, |
1399 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1400 | USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD), |
1401 | QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, |
1402 | { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) }, |
1403 | { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) }, |
1404 | { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) }, |
1405 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, |
1406 | USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI }, |
1407 | { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T), |
1408 | QUIRK_MEDION_E1239T }, |
1409 | /* |
1410 | * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard |
1411 | * part, while letting hid-multitouch.c handle the touchpad. |
1412 | */ |
1413 | { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, |
1414 | USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) }, |
1415 | { } |
1416 | }; |
1417 | MODULE_DEVICE_TABLE(hid, asus_devices); |
1418 | |
1419 | static struct hid_driver asus_driver = { |
1420 | .name = "asus", |
1421 | .id_table = asus_devices, |
1422 | .report_fixup = asus_report_fixup, |
1423 | .probe = asus_probe, |
1424 | .remove = asus_remove, |
1425 | .input_mapping = asus_input_mapping, |
1426 | .input_configured = asus_input_configured, |
1427 | #ifdef CONFIG_PM |
1428 | .reset_resume = asus_reset_resume, |
1429 | .resume = asus_resume, |
1430 | #endif |
1431 | .event = asus_event, |
1432 | .raw_event = asus_raw_event |
1433 | }; |
1434 | module_hid_driver(asus_driver); |
1435 | |
1436 | MODULE_IMPORT_NS("ASUS_WMI"); |
1437 | MODULE_LICENSE("GPL"); |
1438 |
Definitions
- asus_kbd_leds
- asus_touchpad_info
- asus_drvdata
- asus_i2c_tp
- asus_t100ta_tp
- asus_t100ha_tp
- asus_t200ta_tp
- asus_t100chi_tp
- medion_e1239t_tp
- asus_report_contact_down
- asus_report_tool_width
- asus_report_input
- asus_e1239t_event
- asus_event
- asus_raw_event
- asus_kbd_set_report
- asus_kbd_init
- asus_kbd_get_functions
- asus_kbd_disable_oobe
- asus_schedule_work
- asus_kbd_backlight_set
- asus_kbd_backlight_get
- asus_kbd_backlight_work
- asus_kbd_wmi_led_control_present
- mcu_parse_version_string
- mcu_request_version
- validate_mcu_fw_version
- asus_kbd_register_leds
- asus_parse_battery
- asus_report_battery
- asus_battery_query
- asus_battery_props
- asus_battery_get_property
- asus_battery_probe
- asus_input_configured
- asus_input_mapping
- asus_start_multitouch
- asus_resume
- asus_reset_resume
- asus_probe
- asus_remove
- asus_g752_fixed_rdesc
- asus_report_fixup
- asus_devices
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