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eeb01a57 | 1 | /* |
b94f7d5d | 2 | * HID driver for Asus notebook built-in keyboard. |
eeb01a57 YF |
3 | * Fixes small logical maximum to match usage maximum. |
4 | * | |
b94f7d5d YF |
5 | * Currently supported devices are: |
6 | * EeeBook X205TA | |
7 | * VivoBook E200HA | |
8 | * | |
eeb01a57 YF |
9 | * Copyright (c) 2016 Yusuke Fujimaki <usk.fujimaki@gmail.com> |
10 | * | |
11 | * This module based on hid-ortek by | |
12 | * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> | |
13 | * Copyright (c) 2011 Jiri Kosina | |
9ce12d8b BM |
14 | * |
15 | * This module has been updated to add support for Asus i2c touchpad. | |
16 | * | |
17 | * Copyright (c) 2016 Brendan McGrath <redmcg@redmandi.dyndns.org> | |
18 | * Copyright (c) 2016 Victor Vlasenko <victor.vlasenko@sysgears.com> | |
19 | * Copyright (c) 2016 Frederik Wenigwieser <frederik.wenigwieser@gmail.com> | |
eeb01a57 YF |
20 | */ |
21 | ||
22 | /* | |
23 | * This program is free software; you can redistribute it and/or modify it | |
24 | * under the terms of the GNU General Public License as published by the Free | |
25 | * Software Foundation; either version 2 of the License, or (at your option) | |
26 | * any later version. | |
27 | */ | |
28 | ||
762f948c | 29 | #include <linux/dmi.h> |
eeb01a57 YF |
30 | #include <linux/hid.h> |
31 | #include <linux/module.h> | |
3b692c55 | 32 | #include <linux/platform_data/x86/asus-wmi.h> |
9ce12d8b | 33 | #include <linux/input/mt.h> |
57573c54 | 34 | #include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */ |
eeb01a57 YF |
35 | |
36 | #include "hid-ids.h" | |
37 | ||
9ce12d8b BM |
38 | MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>"); |
39 | MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>"); | |
40 | MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>"); | |
41 | MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>"); | |
42 | MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad"); | |
43 | ||
57573c54 HG |
44 | #define T100_TPAD_INTF 2 |
45 | ||
73c75d39 | 46 | #define T100CHI_MOUSE_REPORT_ID 0x06 |
9ce12d8b BM |
47 | #define FEATURE_REPORT_ID 0x0d |
48 | #define INPUT_REPORT_ID 0x5d | |
af22a610 | 49 | #define FEATURE_KBD_REPORT_ID 0x5a |
af22a610 CC |
50 | #define FEATURE_KBD_REPORT_SIZE 16 |
51 | ||
52 | #define SUPPORT_KBD_BACKLIGHT BIT(0) | |
9ce12d8b | 53 | |
9ce12d8b BM |
54 | #define MAX_TOUCH_MAJOR 8 |
55 | #define MAX_PRESSURE 128 | |
56 | ||
9ce12d8b BM |
57 | #define BTN_LEFT_MASK 0x01 |
58 | #define CONTACT_TOOL_TYPE_MASK 0x80 | |
59 | #define CONTACT_X_MSB_MASK 0xf0 | |
60 | #define CONTACT_Y_MSB_MASK 0x0f | |
61 | #define CONTACT_TOUCH_MAJOR_MASK 0x07 | |
62 | #define CONTACT_PRESSURE_MASK 0x7f | |
63 | ||
64 | #define QUIRK_FIX_NOTEBOOK_REPORT BIT(0) | |
65 | #define QUIRK_NO_INIT_REPORTS BIT(1) | |
66 | #define QUIRK_SKIP_INPUT_MAPPING BIT(2) | |
67 | #define QUIRK_IS_MULTITOUCH BIT(3) | |
0485b1ec | 68 | #define QUIRK_NO_CONSUMER_USAGES BIT(4) |
af22a610 | 69 | #define QUIRK_USE_KBD_BACKLIGHT BIT(5) |
76dd1fbe | 70 | #define QUIRK_T100_KEYBOARD BIT(6) |
5703e52c | 71 | #define QUIRK_T100CHI BIT(7) |
832e1eee | 72 | #define QUIRK_G752_KEYBOARD BIT(8) |
9ce12d8b | 73 | |
a93913e1 | 74 | #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \ |
0485b1ec MH |
75 | QUIRK_NO_INIT_REPORTS | \ |
76 | QUIRK_NO_CONSUMER_USAGES) | |
c81760b9 | 77 | #define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \ |
9ce12d8b BM |
78 | QUIRK_SKIP_INPUT_MAPPING | \ |
79 | QUIRK_IS_MULTITOUCH) | |
80 | ||
81 | #define TRKID_SGN ((TRKID_MAX + 1) >> 1) | |
82 | ||
af22a610 CC |
83 | struct asus_kbd_leds { |
84 | struct led_classdev cdev; | |
85 | struct hid_device *hdev; | |
86 | struct work_struct work; | |
87 | unsigned int brightness; | |
88 | bool removed; | |
89 | }; | |
90 | ||
c81760b9 HG |
91 | struct asus_touchpad_info { |
92 | int max_x; | |
93 | int max_y; | |
b61d43e6 HG |
94 | int res_x; |
95 | int res_y; | |
c81760b9 HG |
96 | int contact_size; |
97 | int max_contacts; | |
98 | }; | |
99 | ||
9ce12d8b BM |
100 | struct asus_drvdata { |
101 | unsigned long quirks; | |
102 | struct input_dev *input; | |
af22a610 | 103 | struct asus_kbd_leds *kbd_backlight; |
c81760b9 | 104 | const struct asus_touchpad_info *tp; |
af22a610 | 105 | bool enable_backlight; |
9ce12d8b BM |
106 | }; |
107 | ||
c81760b9 HG |
108 | static const struct asus_touchpad_info asus_i2c_tp = { |
109 | .max_x = 2794, | |
110 | .max_y = 1758, | |
111 | .contact_size = 5, | |
112 | .max_contacts = 5, | |
113 | }; | |
114 | ||
115 | static const struct asus_touchpad_info asus_t100ta_tp = { | |
116 | .max_x = 2240, | |
25cc2611 | 117 | .max_y = 1120, |
b61d43e6 HG |
118 | .res_x = 30, /* units/mm */ |
119 | .res_y = 27, /* units/mm */ | |
c81760b9 HG |
120 | .contact_size = 5, |
121 | .max_contacts = 5, | |
122 | }; | |
123 | ||
762f948c HG |
124 | static const struct asus_touchpad_info asus_t100ha_tp = { |
125 | .max_x = 2640, | |
126 | .max_y = 1320, | |
127 | .res_x = 30, /* units/mm */ | |
128 | .res_y = 29, /* units/mm */ | |
129 | .contact_size = 5, | |
130 | .max_contacts = 5, | |
131 | }; | |
132 | ||
dbd3ef28 HG |
133 | static const struct asus_touchpad_info asus_t200ta_tp = { |
134 | .max_x = 3120, | |
135 | .max_y = 1716, | |
136 | .res_x = 30, /* units/mm */ | |
137 | .res_y = 28, /* units/mm */ | |
138 | .contact_size = 5, | |
139 | .max_contacts = 5, | |
140 | }; | |
141 | ||
73c75d39 HG |
142 | static const struct asus_touchpad_info asus_t100chi_tp = { |
143 | .max_x = 2640, | |
144 | .max_y = 1320, | |
145 | .res_x = 31, /* units/mm */ | |
146 | .res_y = 29, /* units/mm */ | |
147 | .contact_size = 3, | |
148 | .max_contacts = 4, | |
149 | }; | |
150 | ||
c81760b9 | 151 | static void asus_report_contact_down(struct asus_drvdata *drvdat, |
9ce12d8b BM |
152 | int toolType, u8 *data) |
153 | { | |
c81760b9 HG |
154 | struct input_dev *input = drvdat->input; |
155 | int touch_major, pressure, x, y; | |
156 | ||
157 | x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1]; | |
158 | y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]); | |
9ce12d8b | 159 | |
73c75d39 HG |
160 | input_report_abs(input, ABS_MT_POSITION_X, x); |
161 | input_report_abs(input, ABS_MT_POSITION_Y, y); | |
162 | ||
163 | if (drvdat->tp->contact_size < 5) | |
164 | return; | |
165 | ||
9ce12d8b BM |
166 | if (toolType == MT_TOOL_PALM) { |
167 | touch_major = MAX_TOUCH_MAJOR; | |
168 | pressure = MAX_PRESSURE; | |
169 | } else { | |
170 | touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK; | |
171 | pressure = data[4] & CONTACT_PRESSURE_MASK; | |
172 | } | |
173 | ||
9ce12d8b BM |
174 | input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major); |
175 | input_report_abs(input, ABS_MT_PRESSURE, pressure); | |
176 | } | |
177 | ||
178 | /* Required for Synaptics Palm Detection */ | |
c81760b9 | 179 | static void asus_report_tool_width(struct asus_drvdata *drvdat) |
9ce12d8b | 180 | { |
c81760b9 | 181 | struct input_mt *mt = drvdat->input->mt; |
9ce12d8b BM |
182 | struct input_mt_slot *oldest; |
183 | int oldid, count, i; | |
184 | ||
73c75d39 HG |
185 | if (drvdat->tp->contact_size < 5) |
186 | return; | |
187 | ||
9ce12d8b BM |
188 | oldest = NULL; |
189 | oldid = mt->trkid; | |
190 | count = 0; | |
191 | ||
192 | for (i = 0; i < mt->num_slots; ++i) { | |
193 | struct input_mt_slot *ps = &mt->slots[i]; | |
194 | int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID); | |
195 | ||
196 | if (id < 0) | |
197 | continue; | |
198 | if ((id - oldid) & TRKID_SGN) { | |
199 | oldest = ps; | |
200 | oldid = id; | |
201 | } | |
202 | count++; | |
203 | } | |
204 | ||
205 | if (oldest) { | |
c81760b9 | 206 | input_report_abs(drvdat->input, ABS_TOOL_WIDTH, |
9ce12d8b BM |
207 | input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR)); |
208 | } | |
209 | } | |
210 | ||
c81760b9 | 211 | static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size) |
9ce12d8b | 212 | { |
73c75d39 | 213 | int i, toolType = MT_TOOL_FINGER; |
9ce12d8b BM |
214 | u8 *contactData = data + 2; |
215 | ||
c81760b9 HG |
216 | if (size != 3 + drvdat->tp->contact_size * drvdat->tp->max_contacts) |
217 | return 0; | |
218 | ||
219 | for (i = 0; i < drvdat->tp->max_contacts; i++) { | |
9ce12d8b | 220 | bool down = !!(data[1] & BIT(i+3)); |
73c75d39 HG |
221 | |
222 | if (drvdat->tp->contact_size >= 5) | |
223 | toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ? | |
9ce12d8b BM |
224 | MT_TOOL_PALM : MT_TOOL_FINGER; |
225 | ||
c81760b9 HG |
226 | input_mt_slot(drvdat->input, i); |
227 | input_mt_report_slot_state(drvdat->input, toolType, down); | |
9ce12d8b BM |
228 | |
229 | if (down) { | |
c81760b9 HG |
230 | asus_report_contact_down(drvdat, toolType, contactData); |
231 | contactData += drvdat->tp->contact_size; | |
9ce12d8b BM |
232 | } |
233 | } | |
234 | ||
c81760b9 HG |
235 | input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK); |
236 | asus_report_tool_width(drvdat); | |
237 | ||
238 | input_mt_sync_frame(drvdat->input); | |
239 | input_sync(drvdat->input); | |
9ce12d8b | 240 | |
c81760b9 | 241 | return 1; |
9ce12d8b BM |
242 | } |
243 | ||
e98e3809 HG |
244 | static int asus_event(struct hid_device *hdev, struct hid_field *field, |
245 | struct hid_usage *usage, __s32 value) | |
246 | { | |
247 | if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 && | |
248 | (usage->hid & HID_USAGE) != 0x00 && !usage->type) { | |
249 | hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n", | |
250 | usage->hid & HID_USAGE); | |
251 | } | |
252 | ||
253 | return 0; | |
254 | } | |
255 | ||
9ce12d8b BM |
256 | static int asus_raw_event(struct hid_device *hdev, |
257 | struct hid_report *report, u8 *data, int size) | |
258 | { | |
259 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); | |
260 | ||
c81760b9 HG |
261 | if (drvdata->tp && data[0] == INPUT_REPORT_ID) |
262 | return asus_report_input(drvdata, data, size); | |
9ce12d8b BM |
263 | |
264 | return 0; | |
265 | } | |
266 | ||
af22a610 CC |
267 | static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size) |
268 | { | |
269 | unsigned char *dmabuf; | |
270 | int ret; | |
271 | ||
272 | dmabuf = kmemdup(buf, buf_size, GFP_KERNEL); | |
273 | if (!dmabuf) | |
274 | return -ENOMEM; | |
275 | ||
276 | ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, dmabuf, | |
277 | buf_size, HID_FEATURE_REPORT, | |
278 | HID_REQ_SET_REPORT); | |
279 | kfree(dmabuf); | |
280 | ||
281 | return ret; | |
282 | } | |
283 | ||
284 | static int asus_kbd_init(struct hid_device *hdev) | |
285 | { | |
286 | u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54, | |
287 | 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 }; | |
288 | int ret; | |
289 | ||
290 | ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); | |
291 | if (ret < 0) | |
292 | hid_err(hdev, "Asus failed to send init command: %d\n", ret); | |
293 | ||
294 | return ret; | |
295 | } | |
296 | ||
297 | static int asus_kbd_get_functions(struct hid_device *hdev, | |
298 | unsigned char *kbd_func) | |
299 | { | |
300 | u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 }; | |
301 | u8 *readbuf; | |
302 | int ret; | |
303 | ||
304 | ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); | |
305 | if (ret < 0) { | |
306 | hid_err(hdev, "Asus failed to send configuration command: %d\n", ret); | |
307 | return ret; | |
308 | } | |
309 | ||
310 | readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL); | |
311 | if (!readbuf) | |
312 | return -ENOMEM; | |
313 | ||
314 | ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf, | |
315 | FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT, | |
316 | HID_REQ_GET_REPORT); | |
317 | if (ret < 0) { | |
318 | hid_err(hdev, "Asus failed to request functions: %d\n", ret); | |
319 | kfree(readbuf); | |
320 | return ret; | |
321 | } | |
322 | ||
323 | *kbd_func = readbuf[6]; | |
324 | ||
325 | kfree(readbuf); | |
326 | return ret; | |
327 | } | |
328 | ||
329 | static void asus_kbd_backlight_set(struct led_classdev *led_cdev, | |
330 | enum led_brightness brightness) | |
331 | { | |
332 | struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, | |
333 | cdev); | |
334 | if (led->brightness == brightness) | |
335 | return; | |
336 | ||
337 | led->brightness = brightness; | |
338 | schedule_work(&led->work); | |
339 | } | |
340 | ||
341 | static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev) | |
342 | { | |
343 | struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, | |
344 | cdev); | |
345 | ||
346 | return led->brightness; | |
347 | } | |
348 | ||
349 | static void asus_kbd_backlight_work(struct work_struct *work) | |
350 | { | |
351 | struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work); | |
352 | u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 }; | |
353 | int ret; | |
354 | ||
355 | if (led->removed) | |
356 | return; | |
357 | ||
358 | buf[4] = led->brightness; | |
359 | ||
360 | ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf)); | |
361 | if (ret < 0) | |
362 | hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret); | |
363 | } | |
364 | ||
3b692c55 DD |
365 | /* WMI-based keyboard backlight LED control (via asus-wmi driver) takes |
366 | * precedence. We only activate HID-based backlight control when the | |
367 | * WMI control is not available. | |
368 | */ | |
369 | static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev) | |
370 | { | |
371 | u32 value; | |
372 | int ret; | |
373 | ||
3fc202e8 AB |
374 | if (!IS_ENABLED(CONFIG_ASUS_WMI)) |
375 | return false; | |
376 | ||
3b692c55 DD |
377 | ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS2, |
378 | ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value); | |
379 | hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value); | |
380 | if (ret) | |
381 | return false; | |
382 | ||
383 | return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT); | |
384 | } | |
385 | ||
af22a610 CC |
386 | static int asus_kbd_register_leds(struct hid_device *hdev) |
387 | { | |
388 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); | |
389 | unsigned char kbd_func; | |
390 | int ret; | |
391 | ||
392 | /* Initialize keyboard */ | |
393 | ret = asus_kbd_init(hdev); | |
394 | if (ret < 0) | |
395 | return ret; | |
396 | ||
397 | /* Get keyboard functions */ | |
398 | ret = asus_kbd_get_functions(hdev, &kbd_func); | |
399 | if (ret < 0) | |
400 | return ret; | |
401 | ||
402 | /* Check for backlight support */ | |
403 | if (!(kbd_func & SUPPORT_KBD_BACKLIGHT)) | |
404 | return -ENODEV; | |
405 | ||
406 | drvdata->kbd_backlight = devm_kzalloc(&hdev->dev, | |
407 | sizeof(struct asus_kbd_leds), | |
408 | GFP_KERNEL); | |
409 | if (!drvdata->kbd_backlight) | |
410 | return -ENOMEM; | |
411 | ||
412 | drvdata->kbd_backlight->removed = false; | |
413 | drvdata->kbd_backlight->brightness = 0; | |
414 | drvdata->kbd_backlight->hdev = hdev; | |
415 | drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight"; | |
416 | drvdata->kbd_backlight->cdev.max_brightness = 3; | |
417 | drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set; | |
418 | drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get; | |
419 | INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work); | |
420 | ||
421 | ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev); | |
422 | if (ret < 0) { | |
423 | /* No need to have this still around */ | |
424 | devm_kfree(&hdev->dev, drvdata->kbd_backlight); | |
425 | } | |
426 | ||
427 | return ret; | |
428 | } | |
429 | ||
9ce12d8b BM |
430 | static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi) |
431 | { | |
c8b1b3dd | 432 | struct input_dev *input = hi->input; |
9ce12d8b BM |
433 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
434 | ||
73c75d39 HG |
435 | /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */ |
436 | if (drvdata->quirks & QUIRK_T100CHI && | |
437 | hi->report->id != T100CHI_MOUSE_REPORT_ID) | |
438 | return 0; | |
439 | ||
c81760b9 | 440 | if (drvdata->tp) { |
9ce12d8b | 441 | int ret; |
9ce12d8b | 442 | |
c81760b9 HG |
443 | input_set_abs_params(input, ABS_MT_POSITION_X, 0, |
444 | drvdata->tp->max_x, 0, 0); | |
445 | input_set_abs_params(input, ABS_MT_POSITION_Y, 0, | |
446 | drvdata->tp->max_y, 0, 0); | |
b61d43e6 HG |
447 | input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x); |
448 | input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y); | |
73c75d39 HG |
449 | |
450 | if (drvdata->tp->contact_size >= 5) { | |
451 | input_set_abs_params(input, ABS_TOOL_WIDTH, 0, | |
452 | MAX_TOUCH_MAJOR, 0, 0); | |
453 | input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, | |
454 | MAX_TOUCH_MAJOR, 0, 0); | |
455 | input_set_abs_params(input, ABS_MT_PRESSURE, 0, | |
456 | MAX_PRESSURE, 0, 0); | |
457 | } | |
9ce12d8b BM |
458 | |
459 | __set_bit(BTN_LEFT, input->keybit); | |
460 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); | |
461 | ||
c81760b9 HG |
462 | ret = input_mt_init_slots(input, drvdata->tp->max_contacts, |
463 | INPUT_MT_POINTER); | |
9ce12d8b BM |
464 | |
465 | if (ret) { | |
466 | hid_err(hdev, "Asus input mt init slots failed: %d\n", ret); | |
467 | return ret; | |
468 | } | |
9ce12d8b BM |
469 | } |
470 | ||
c8b1b3dd BM |
471 | drvdata->input = input; |
472 | ||
3b692c55 DD |
473 | if (drvdata->enable_backlight && |
474 | !asus_kbd_wmi_led_control_present(hdev) && | |
475 | asus_kbd_register_leds(hdev)) | |
af22a610 CC |
476 | hid_warn(hdev, "Failed to initialize backlight.\n"); |
477 | ||
9ce12d8b BM |
478 | return 0; |
479 | } | |
480 | ||
a93913e1 | 481 | #define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ |
1caccc25 | 482 | max, EV_KEY, (c)) |
9ce12d8b BM |
483 | static int asus_input_mapping(struct hid_device *hdev, |
484 | struct hid_input *hi, struct hid_field *field, | |
485 | struct hid_usage *usage, unsigned long **bit, | |
486 | int *max) | |
487 | { | |
488 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); | |
489 | ||
490 | if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) { | |
491 | /* Don't map anything from the HID report. | |
492 | * We do it all manually in asus_input_configured | |
493 | */ | |
494 | return -1; | |
495 | } | |
496 | ||
73c75d39 HG |
497 | /* |
498 | * Ignore a bunch of bogus collections in the T100CHI descriptor. | |
499 | * This avoids a bunch of non-functional hid_input devices getting | |
500 | * created because of the T100CHI using HID_QUIRK_MULTI_INPUT. | |
501 | */ | |
502 | if (drvdata->quirks & QUIRK_T100CHI) { | |
503 | if (field->application == (HID_UP_GENDESK | 0x0080) || | |
504 | usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) || | |
505 | usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) || | |
506 | usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)) | |
507 | return -1; | |
508 | /* | |
509 | * We use the hid_input for the mouse report for the touchpad, | |
510 | * keep the left button, to avoid the core removing it. | |
511 | */ | |
512 | if (field->application == HID_GD_MOUSE && | |
513 | usage->hid != (HID_UP_BUTTON | 1)) | |
514 | return -1; | |
515 | } | |
516 | ||
a93913e1 | 517 | /* ASUS-specific keyboard hotkeys */ |
1caccc25 CC |
518 | if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) { |
519 | set_bit(EV_REP, hi->input->evbit); | |
520 | switch (usage->hid & HID_USAGE) { | |
a93913e1 MH |
521 | case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; |
522 | case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break; | |
523 | case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break; | |
524 | case 0x6c: asus_map_key_clear(KEY_SLEEP); break; | |
525 | case 0x82: asus_map_key_clear(KEY_CAMERA); break; | |
802b24b4 | 526 | case 0x88: asus_map_key_clear(KEY_RFKILL); break; |
a93913e1 MH |
527 | case 0xb5: asus_map_key_clear(KEY_CALC); break; |
528 | case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break; | |
529 | case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break; | |
1caccc25 CC |
530 | |
531 | /* ASUS touchpad toggle */ | |
a93913e1 | 532 | case 0x6b: asus_map_key_clear(KEY_F21); break; |
1caccc25 CC |
533 | |
534 | /* ROG key */ | |
a93913e1 | 535 | case 0x38: asus_map_key_clear(KEY_PROG1); break; |
1caccc25 CC |
536 | |
537 | /* Fn+C ASUS Splendid */ | |
a93913e1 | 538 | case 0xba: asus_map_key_clear(KEY_PROG2); break; |
1caccc25 CC |
539 | |
540 | /* Fn+Space Power4Gear Hybrid */ | |
a93913e1 | 541 | case 0x5c: asus_map_key_clear(KEY_PROG3); break; |
1caccc25 CC |
542 | |
543 | default: | |
0485b1ec MH |
544 | /* ASUS lazily declares 256 usages, ignore the rest, |
545 | * as some make the keyboard appear as a pointer device. */ | |
546 | return -1; | |
1caccc25 | 547 | } |
af22a610 CC |
548 | |
549 | /* | |
550 | * Check and enable backlight only on devices with UsagePage == | |
551 | * 0xff31 to avoid initializing the keyboard firmware multiple | |
552 | * times on devices with multiple HID descriptors but same | |
553 | * PID/VID. | |
554 | */ | |
555 | if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) | |
556 | drvdata->enable_backlight = true; | |
557 | ||
1caccc25 CC |
558 | return 1; |
559 | } | |
560 | ||
5be91803 DD |
561 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) { |
562 | set_bit(EV_REP, hi->input->evbit); | |
563 | switch (usage->hid & HID_USAGE) { | |
564 | case 0xff01: asus_map_key_clear(BTN_1); break; | |
565 | case 0xff02: asus_map_key_clear(BTN_2); break; | |
566 | case 0xff03: asus_map_key_clear(BTN_3); break; | |
567 | case 0xff04: asus_map_key_clear(BTN_4); break; | |
568 | case 0xff05: asus_map_key_clear(BTN_5); break; | |
569 | case 0xff06: asus_map_key_clear(BTN_6); break; | |
570 | case 0xff07: asus_map_key_clear(BTN_7); break; | |
571 | case 0xff08: asus_map_key_clear(BTN_8); break; | |
572 | case 0xff09: asus_map_key_clear(BTN_9); break; | |
573 | case 0xff0a: asus_map_key_clear(BTN_A); break; | |
574 | case 0xff0b: asus_map_key_clear(BTN_B); break; | |
575 | case 0x00f1: asus_map_key_clear(KEY_WLAN); break; | |
576 | case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; | |
577 | case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break; | |
578 | case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break; | |
579 | case 0x00f7: asus_map_key_clear(KEY_CAMERA); break; | |
580 | case 0x00f8: asus_map_key_clear(KEY_PROG1); break; | |
581 | default: | |
582 | return 0; | |
583 | } | |
584 | ||
585 | return 1; | |
586 | } | |
587 | ||
0485b1ec MH |
588 | if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES && |
589 | (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { | |
590 | switch (usage->hid & HID_USAGE) { | |
591 | case 0xe2: /* Mute */ | |
592 | case 0xe9: /* Volume up */ | |
593 | case 0xea: /* Volume down */ | |
594 | return 0; | |
595 | default: | |
596 | /* Ignore dummy Consumer usages which make the | |
597 | * keyboard incorrectly appear as a pointer device. | |
598 | */ | |
599 | return -1; | |
600 | } | |
601 | } | |
602 | ||
9ce12d8b BM |
603 | return 0; |
604 | } | |
605 | ||
606 | static int asus_start_multitouch(struct hid_device *hdev) | |
607 | { | |
608 | int ret; | |
b9ec7009 CIK |
609 | static const unsigned char buf[] = { |
610 | FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 | |
611 | }; | |
9ce12d8b BM |
612 | unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL); |
613 | ||
614 | if (!dmabuf) { | |
615 | ret = -ENOMEM; | |
616 | hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret); | |
617 | return ret; | |
618 | } | |
619 | ||
620 | ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf), | |
621 | HID_FEATURE_REPORT, HID_REQ_SET_REPORT); | |
622 | ||
623 | kfree(dmabuf); | |
624 | ||
625 | if (ret != sizeof(buf)) { | |
626 | hid_err(hdev, "Asus failed to start multitouch: %d\n", ret); | |
627 | return ret; | |
628 | } | |
629 | ||
630 | return 0; | |
631 | } | |
632 | ||
633 | static int __maybe_unused asus_reset_resume(struct hid_device *hdev) | |
634 | { | |
635 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); | |
636 | ||
c81760b9 | 637 | if (drvdata->tp) |
9ce12d8b BM |
638 | return asus_start_multitouch(hdev); |
639 | ||
640 | return 0; | |
641 | } | |
642 | ||
643 | static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
644 | { | |
645 | int ret; | |
646 | struct asus_drvdata *drvdata; | |
647 | ||
648 | drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); | |
649 | if (drvdata == NULL) { | |
650 | hid_err(hdev, "Can't alloc Asus descriptor\n"); | |
651 | return -ENOMEM; | |
652 | } | |
653 | ||
654 | hid_set_drvdata(hdev, drvdata); | |
655 | ||
656 | drvdata->quirks = id->driver_data; | |
657 | ||
c81760b9 HG |
658 | if (drvdata->quirks & QUIRK_IS_MULTITOUCH) |
659 | drvdata->tp = &asus_i2c_tp; | |
660 | ||
57573c54 HG |
661 | if (drvdata->quirks & QUIRK_T100_KEYBOARD) { |
662 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
663 | ||
c81760b9 HG |
664 | if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) { |
665 | drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING; | |
762f948c | 666 | /* |
dbd3ef28 HG |
667 | * The T100HA uses the same USB-ids as the T100TAF and |
668 | * the T200TA uses the same USB-ids as the T100TA, while | |
669 | * both have different max x/y values as the T100TA[F]. | |
762f948c HG |
670 | */ |
671 | if (dmi_match(DMI_PRODUCT_NAME, "T100HAN")) | |
672 | drvdata->tp = &asus_t100ha_tp; | |
dbd3ef28 HG |
673 | else if (dmi_match(DMI_PRODUCT_NAME, "T200TA")) |
674 | drvdata->tp = &asus_t200ta_tp; | |
762f948c HG |
675 | else |
676 | drvdata->tp = &asus_t100ta_tp; | |
c81760b9 | 677 | } |
57573c54 HG |
678 | } |
679 | ||
73c75d39 HG |
680 | if (drvdata->quirks & QUIRK_T100CHI) { |
681 | /* | |
682 | * All functionality is on a single HID interface and for | |
683 | * userspace the touchpad must be a separate input_dev. | |
684 | */ | |
39335d1c | 685 | hdev->quirks |= HID_QUIRK_MULTI_INPUT; |
73c75d39 HG |
686 | drvdata->tp = &asus_t100chi_tp; |
687 | } | |
688 | ||
9ce12d8b BM |
689 | if (drvdata->quirks & QUIRK_NO_INIT_REPORTS) |
690 | hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; | |
691 | ||
692 | ret = hid_parse(hdev); | |
693 | if (ret) { | |
694 | hid_err(hdev, "Asus hid parse failed: %d\n", ret); | |
695 | return ret; | |
696 | } | |
697 | ||
698 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
699 | if (ret) { | |
700 | hid_err(hdev, "Asus hw start failed: %d\n", ret); | |
701 | return ret; | |
702 | } | |
703 | ||
704 | if (!drvdata->input) { | |
705 | hid_err(hdev, "Asus input not registered\n"); | |
706 | ret = -ENOMEM; | |
707 | goto err_stop_hw; | |
708 | } | |
709 | ||
c81760b9 | 710 | if (drvdata->tp) { |
c8b1b3dd BM |
711 | drvdata->input->name = "Asus TouchPad"; |
712 | } else { | |
713 | drvdata->input->name = "Asus Keyboard"; | |
714 | } | |
9ce12d8b | 715 | |
c81760b9 | 716 | if (drvdata->tp) { |
9ce12d8b BM |
717 | ret = asus_start_multitouch(hdev); |
718 | if (ret) | |
719 | goto err_stop_hw; | |
720 | } | |
721 | ||
722 | return 0; | |
723 | err_stop_hw: | |
724 | hid_hw_stop(hdev); | |
725 | return ret; | |
726 | } | |
727 | ||
af22a610 CC |
728 | static void asus_remove(struct hid_device *hdev) |
729 | { | |
730 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); | |
731 | ||
732 | if (drvdata->kbd_backlight) { | |
733 | drvdata->kbd_backlight->removed = true; | |
734 | cancel_work_sync(&drvdata->kbd_backlight->work); | |
735 | } | |
715e944f CC |
736 | |
737 | hid_hw_stop(hdev); | |
af22a610 CC |
738 | } |
739 | ||
832e1eee MB |
740 | static const __u8 asus_g752_fixed_rdesc[] = { |
741 | 0x19, 0x00, /* Usage Minimum (0x00) */ | |
742 | 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */ | |
743 | }; | |
744 | ||
eeb01a57 YF |
745 | static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
746 | unsigned int *rsize) | |
747 | { | |
9ce12d8b BM |
748 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
749 | ||
750 | if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT && | |
751 | *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) { | |
b94f7d5d | 752 | hid_info(hdev, "Fixing up Asus notebook report descriptor\n"); |
eeb01a57 YF |
753 | rdesc[55] = 0xdd; |
754 | } | |
33edee4f | 755 | /* For the T100TA/T200TA keyboard dock */ |
76dd1fbe | 756 | if (drvdata->quirks & QUIRK_T100_KEYBOARD && |
33edee4f HG |
757 | (*rsize == 76 || *rsize == 101) && |
758 | rdesc[73] == 0x81 && rdesc[74] == 0x01) { | |
76dd1fbe HG |
759 | hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n"); |
760 | rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT; | |
761 | } | |
5703e52c HG |
762 | /* For the T100CHI keyboard dock */ |
763 | if (drvdata->quirks & QUIRK_T100CHI && | |
764 | *rsize == 403 && rdesc[388] == 0x09 && rdesc[389] == 0x76) { | |
765 | /* | |
766 | * Change Usage (76h) to Usage Minimum (00h), Usage Maximum | |
767 | * (FFh) and clear the flags in the Input() byte. | |
768 | * Note the descriptor has a bogus 0 byte at the end so we | |
769 | * only need 1 extra byte. | |
770 | */ | |
771 | *rsize = 404; | |
772 | rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL); | |
773 | if (!rdesc) | |
774 | return NULL; | |
775 | ||
776 | hid_info(hdev, "Fixing up T100CHI keyb report descriptor\n"); | |
777 | memmove(rdesc + 392, rdesc + 390, 12); | |
778 | rdesc[388] = 0x19; | |
779 | rdesc[389] = 0x00; | |
780 | rdesc[390] = 0x29; | |
781 | rdesc[391] = 0xff; | |
782 | rdesc[402] = 0x00; | |
783 | } | |
832e1eee MB |
784 | if (drvdata->quirks & QUIRK_G752_KEYBOARD && |
785 | *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) { | |
786 | /* report is missing usage mninum and maximum */ | |
787 | __u8 *new_rdesc; | |
788 | size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc); | |
789 | ||
790 | new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL); | |
791 | if (new_rdesc == NULL) | |
792 | return rdesc; | |
793 | ||
794 | hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n"); | |
795 | /* copy the valid part */ | |
796 | memcpy(new_rdesc, rdesc, 61); | |
797 | /* insert missing part */ | |
798 | memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc)); | |
799 | /* copy remaining data */ | |
800 | memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61); | |
801 | ||
802 | *rsize = new_size; | |
803 | rdesc = new_rdesc; | |
804 | } | |
76dd1fbe | 805 | |
eeb01a57 YF |
806 | return rdesc; |
807 | } | |
808 | ||
809 | static const struct hid_device_id asus_devices[] = { | |
9ce12d8b | 810 | { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, |
a93913e1 | 811 | USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS}, |
9ce12d8b | 812 | { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, |
c81760b9 | 813 | USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS }, |
1caccc25 | 814 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
339ee3fc | 815 | USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT }, |
1caccc25 | 816 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
af22a610 | 817 | USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT }, |
832e1eee MB |
818 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
819 | USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD }, | |
76dd1fbe | 820 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
762f948c HG |
821 | USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD), |
822 | QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, | |
823 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, | |
824 | USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD), | |
76dd1fbe | 825 | QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, |
5be91803 | 826 | { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) }, |
38b2d78c | 827 | { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) }, |
5be91803 | 828 | { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) }, |
5703e52c HG |
829 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, |
830 | USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI }, | |
831 | ||
eeb01a57 YF |
832 | { } |
833 | }; | |
834 | MODULE_DEVICE_TABLE(hid, asus_devices); | |
835 | ||
836 | static struct hid_driver asus_driver = { | |
9ce12d8b BM |
837 | .name = "asus", |
838 | .id_table = asus_devices, | |
839 | .report_fixup = asus_report_fixup, | |
840 | .probe = asus_probe, | |
af22a610 | 841 | .remove = asus_remove, |
9ce12d8b BM |
842 | .input_mapping = asus_input_mapping, |
843 | .input_configured = asus_input_configured, | |
844 | #ifdef CONFIG_PM | |
845 | .reset_resume = asus_reset_resume, | |
846 | #endif | |
e98e3809 | 847 | .event = asus_event, |
9ce12d8b | 848 | .raw_event = asus_raw_event |
eeb01a57 YF |
849 | }; |
850 | module_hid_driver(asus_driver); | |
851 | ||
852 | MODULE_LICENSE("GPL"); |