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