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 34 #include "hid-ids.h" 35 36 MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>"); 37 MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>"); 38 MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>"); 39 MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>"); 40 MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad"); 41 42 #define T100_TPAD_INTF 2 43 #define MEDION_E1239T_TPAD_INTF 1 44 45 #define E1239T_TP_TOGGLE_REPORT_ID 0x05 46 #define T100CHI_MOUSE_REPORT_ID 0x06 47 #define FEATURE_REPORT_ID 0x0d 48 #define INPUT_REPORT_ID 0x5d 49 #define FEATURE_KBD_REPORT_ID 0x5a 50 #define FEATURE_KBD_REPORT_SIZE 16 51 #define FEATURE_KBD_LED_REPORT_ID1 0x5d 52 #define FEATURE_KBD_LED_REPORT_ID2 0x5e 53 54 #define SUPPORT_KBD_BACKLIGHT BIT(0) 55 56 #define MAX_TOUCH_MAJOR 8 57 #define MAX_PRESSURE 128 58 59 #define BTN_LEFT_MASK 0x01 60 #define CONTACT_TOOL_TYPE_MASK 0x80 61 #define CONTACT_X_MSB_MASK 0xf0 62 #define CONTACT_Y_MSB_MASK 0x0f 63 #define CONTACT_TOUCH_MAJOR_MASK 0x07 64 #define CONTACT_PRESSURE_MASK 0x7f 65 66 #define BATTERY_REPORT_ID (0x03) 67 #define BATTERY_REPORT_SIZE (1 + 8) 68 #define BATTERY_LEVEL_MAX ((u8)255) 69 #define BATTERY_STAT_DISCONNECT (0) 70 #define BATTERY_STAT_CHARGING (1) 71 #define BATTERY_STAT_FULL (2) 72 73 #define QUIRK_FIX_NOTEBOOK_REPORT BIT(0) 74 #define QUIRK_NO_INIT_REPORTS BIT(1) 75 #define QUIRK_SKIP_INPUT_MAPPING BIT(2) 76 #define QUIRK_IS_MULTITOUCH BIT(3) 77 #define QUIRK_NO_CONSUMER_USAGES BIT(4) 78 #define QUIRK_USE_KBD_BACKLIGHT BIT(5) 79 #define QUIRK_T100_KEYBOARD BIT(6) 80 #define QUIRK_T100CHI BIT(7) 81 #define QUIRK_G752_KEYBOARD BIT(8) 82 #define QUIRK_T90CHI BIT(9) 83 #define QUIRK_MEDION_E1239T BIT(10) 84 #define QUIRK_ROG_NKEY_KEYBOARD BIT(11) 85 #define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12) 86 87 #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \ 88 QUIRK_NO_INIT_REPORTS | \ 89 QUIRK_NO_CONSUMER_USAGES) 90 #define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \ 91 QUIRK_SKIP_INPUT_MAPPING | \ 92 QUIRK_IS_MULTITOUCH) 93 94 #define TRKID_SGN ((TRKID_MAX + 1) >> 1) 95 96 struct asus_kbd_leds { 97 struct led_classdev cdev; 98 struct hid_device *hdev; 99 struct work_struct work; 100 unsigned int brightness; 101 spinlock_t lock; 102 bool removed; 103 }; 104 105 struct asus_touchpad_info { 106 int max_x; 107 int max_y; 108 int res_x; 109 int res_y; 110 int contact_size; 111 int max_contacts; 112 int report_size; 113 }; 114 115 struct asus_drvdata { 116 unsigned long quirks; 117 struct hid_device *hdev; 118 struct input_dev *input; 119 struct input_dev *tp_kbd_input; 120 struct asus_kbd_leds *kbd_backlight; 121 const struct asus_touchpad_info *tp; 122 bool enable_backlight; 123 struct power_supply *battery; 124 struct power_supply_desc battery_desc; 125 int battery_capacity; 126 int battery_stat; 127 bool battery_in_query; 128 unsigned long battery_next_query; 129 }; 130 131 static int asus_report_battery(struct asus_drvdata *, u8 *, int); 132 133 static const struct asus_touchpad_info asus_i2c_tp = { 134 .max_x = 2794, 135 .max_y = 1758, 136 .contact_size = 5, 137 .max_contacts = 5, 138 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, 139 }; 140 141 static const struct asus_touchpad_info asus_t100ta_tp = { 142 .max_x = 2240, 143 .max_y = 1120, 144 .res_x = 30, /* units/mm */ 145 .res_y = 27, /* units/mm */ 146 .contact_size = 5, 147 .max_contacts = 5, 148 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, 149 }; 150 151 static const struct asus_touchpad_info asus_t100ha_tp = { 152 .max_x = 2640, 153 .max_y = 1320, 154 .res_x = 30, /* units/mm */ 155 .res_y = 29, /* units/mm */ 156 .contact_size = 5, 157 .max_contacts = 5, 158 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, 159 }; 160 161 static const struct asus_touchpad_info asus_t200ta_tp = { 162 .max_x = 3120, 163 .max_y = 1716, 164 .res_x = 30, /* units/mm */ 165 .res_y = 28, /* units/mm */ 166 .contact_size = 5, 167 .max_contacts = 5, 168 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, 169 }; 170 171 static const struct asus_touchpad_info asus_t100chi_tp = { 172 .max_x = 2640, 173 .max_y = 1320, 174 .res_x = 31, /* units/mm */ 175 .res_y = 29, /* units/mm */ 176 .contact_size = 3, 177 .max_contacts = 4, 178 .report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */, 179 }; 180 181 static const struct asus_touchpad_info medion_e1239t_tp = { 182 .max_x = 2640, 183 .max_y = 1380, 184 .res_x = 29, /* units/mm */ 185 .res_y = 28, /* units/mm */ 186 .contact_size = 5, 187 .max_contacts = 5, 188 .report_size = 32 /* 2 byte header + 5 * 5 + 5 byte footer */, 189 }; 190 191 static void asus_report_contact_down(struct asus_drvdata *drvdat, 192 int toolType, u8 *data) 193 { 194 struct input_dev *input = drvdat->input; 195 int touch_major, pressure, x, y; 196 197 x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1]; 198 y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]); 199 200 input_report_abs(input, ABS_MT_POSITION_X, x); 201 input_report_abs(input, ABS_MT_POSITION_Y, y); 202 203 if (drvdat->tp->contact_size < 5) 204 return; 205 206 if (toolType == MT_TOOL_PALM) { 207 touch_major = MAX_TOUCH_MAJOR; 208 pressure = MAX_PRESSURE; 209 } else { 210 touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK; 211 pressure = data[4] & CONTACT_PRESSURE_MASK; 212 } 213 214 input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major); 215 input_report_abs(input, ABS_MT_PRESSURE, pressure); 216 } 217 218 /* Required for Synaptics Palm Detection */ 219 static void asus_report_tool_width(struct asus_drvdata *drvdat) 220 { 221 struct input_mt *mt = drvdat->input->mt; 222 struct input_mt_slot *oldest; 223 int oldid, i; 224 225 if (drvdat->tp->contact_size < 5) 226 return; 227 228 oldest = NULL; 229 oldid = mt->trkid; 230 231 for (i = 0; i < mt->num_slots; ++i) { 232 struct input_mt_slot *ps = &mt->slots[i]; 233 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID); 234 235 if (id < 0) 236 continue; 237 if ((id - oldid) & TRKID_SGN) { 238 oldest = ps; 239 oldid = id; 240 } 241 } 242 243 if (oldest) { 244 input_report_abs(drvdat->input, ABS_TOOL_WIDTH, 245 input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR)); 246 } 247 } 248 249 static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size) 250 { 251 int i, toolType = MT_TOOL_FINGER; 252 u8 *contactData = data + 2; 253 254 if (size != drvdat->tp->report_size) 255 return 0; 256 257 for (i = 0; i < drvdat->tp->max_contacts; i++) { 258 bool down = !!(data[1] & BIT(i+3)); 259 260 if (drvdat->tp->contact_size >= 5) 261 toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ? 262 MT_TOOL_PALM : MT_TOOL_FINGER; 263 264 input_mt_slot(drvdat->input, i); 265 input_mt_report_slot_state(drvdat->input, toolType, down); 266 267 if (down) { 268 asus_report_contact_down(drvdat, toolType, contactData); 269 contactData += drvdat->tp->contact_size; 270 } 271 } 272 273 input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK); 274 asus_report_tool_width(drvdat); 275 276 input_mt_sync_frame(drvdat->input); 277 input_sync(drvdat->input); 278 279 return 1; 280 } 281 282 static int asus_e1239t_event(struct asus_drvdata *drvdat, u8 *data, int size) 283 { 284 if (size != 3) 285 return 0; 286 287 /* Handle broken mute key which only sends press events */ 288 if (!drvdat->tp && 289 data[0] == 0x02 && data[1] == 0xe2 && data[2] == 0x00) { 290 input_report_key(drvdat->input, KEY_MUTE, 1); 291 input_sync(drvdat->input); 292 input_report_key(drvdat->input, KEY_MUTE, 0); 293 input_sync(drvdat->input); 294 return 1; 295 } 296 297 /* Handle custom touchpad toggle key which only sends press events */ 298 if (drvdat->tp_kbd_input && 299 data[0] == 0x05 && data[1] == 0x02 && data[2] == 0x28) { 300 input_report_key(drvdat->tp_kbd_input, KEY_F21, 1); 301 input_sync(drvdat->tp_kbd_input); 302 input_report_key(drvdat->tp_kbd_input, KEY_F21, 0); 303 input_sync(drvdat->tp_kbd_input); 304 return 1; 305 } 306 307 return 0; 308 } 309 310 static int asus_event(struct hid_device *hdev, struct hid_field *field, 311 struct hid_usage *usage, __s32 value) 312 { 313 if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 && 314 (usage->hid & HID_USAGE) != 0x00 && 315 (usage->hid & HID_USAGE) != 0xff && !usage->type) { 316 hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n", 317 usage->hid & HID_USAGE); 318 } 319 320 return 0; 321 } 322 323 static int asus_raw_event(struct hid_device *hdev, 324 struct hid_report *report, u8 *data, int size) 325 { 326 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 327 328 if (drvdata->battery && data[0] == BATTERY_REPORT_ID) 329 return asus_report_battery(drvdata, data, size); 330 331 if (drvdata->tp && data[0] == INPUT_REPORT_ID) 332 return asus_report_input(drvdata, data, size); 333 334 if (drvdata->quirks & QUIRK_MEDION_E1239T) 335 return asus_e1239t_event(drvdata, data, size); 336 337 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) { 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 || 343 report->id == FEATURE_KBD_LED_REPORT_ID2) { 344 return -1; 345 /* Additional report filtering */ 346 } else if (report->id == FEATURE_KBD_REPORT_ID) { 347 /* 348 * G14 and G15 send these codes on some keypresses with no 349 * discernable reason for doing so. We'll filter them out to avoid 350 * unmapped warning messages later. 351 */ 352 if (data[1] == 0xea || data[1] == 0xec || data[1] == 0x02 || 353 data[1] == 0x8a || data[1] == 0x9e) { 354 return -1; 355 } 356 } 357 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) { 358 /* 359 * G713 and G733 send these codes on some keypresses, depending on 360 * the key pressed it can trigger a shutdown event if not caught. 361 */ 362 if(data[0] == 0x02 && data[1] == 0x30) { 363 return -1; 364 } 365 } 366 367 } 368 369 if (drvdata->quirks & QUIRK_ROG_CLAYMORE_II_KEYBOARD) { 370 /* 371 * CLAYMORE II keyboard sends this packet when it goes to sleep 372 * this causes the whole system to go into suspend. 373 */ 374 375 if(size == 2 && data[0] == 0x02 && data[1] == 0x00) { 376 return -1; 377 } 378 } 379 380 return 0; 381 } 382 383 static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size) 384 { 385 unsigned char *dmabuf; 386 int ret; 387 388 dmabuf = kmemdup(buf, buf_size, GFP_KERNEL); 389 if (!dmabuf) 390 return -ENOMEM; 391 392 /* 393 * The report ID should be set from the incoming buffer due to LED and key 394 * interfaces having different pages 395 */ 396 ret = hid_hw_raw_request(hdev, buf[0], dmabuf, 397 buf_size, HID_FEATURE_REPORT, 398 HID_REQ_SET_REPORT); 399 kfree(dmabuf); 400 401 return ret; 402 } 403 404 static int asus_kbd_init(struct hid_device *hdev) 405 { 406 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54, 407 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 }; 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 init command: %d\n", ret); 413 414 return ret; 415 } 416 417 static int asus_kbd_get_functions(struct hid_device *hdev, 418 unsigned char *kbd_func) 419 { 420 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 }; 421 u8 *readbuf; 422 int ret; 423 424 ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); 425 if (ret < 0) { 426 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret); 427 return ret; 428 } 429 430 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL); 431 if (!readbuf) 432 return -ENOMEM; 433 434 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf, 435 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT, 436 HID_REQ_GET_REPORT); 437 if (ret < 0) { 438 hid_err(hdev, "Asus failed to request functions: %d\n", ret); 439 kfree(readbuf); 440 return ret; 441 } 442 443 *kbd_func = readbuf[6]; 444 445 kfree(readbuf); 446 return ret; 447 } 448 449 static int rog_nkey_led_init(struct hid_device *hdev) 450 { 451 u8 buf_init_start[] = { FEATURE_KBD_LED_REPORT_ID1, 0xB9 }; 452 u8 buf_init2[] = { FEATURE_KBD_LED_REPORT_ID1, 0x41, 0x53, 0x55, 0x53, 0x20, 453 0x54, 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 }; 454 u8 buf_init3[] = { FEATURE_KBD_LED_REPORT_ID1, 455 0x05, 0x20, 0x31, 0x00, 0x08 }; 456 int ret; 457 458 hid_info(hdev, "Asus initialise N-KEY Device"); 459 /* The first message is an init start */ 460 ret = asus_kbd_set_report(hdev, buf_init_start, sizeof(buf_init_start)); 461 if (ret < 0) { 462 hid_warn(hdev, "Asus failed to send init start command: %d\n", ret); 463 return ret; 464 } 465 /* Followed by a string */ 466 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2)); 467 if (ret < 0) { 468 hid_warn(hdev, "Asus failed to send init command 1.0: %d\n", ret); 469 return ret; 470 } 471 /* Followed by a string */ 472 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3)); 473 if (ret < 0) { 474 hid_warn(hdev, "Asus failed to send init command 1.1: %d\n", ret); 475 return ret; 476 } 477 478 /* begin second report ID with same data */ 479 buf_init2[0] = FEATURE_KBD_LED_REPORT_ID2; 480 buf_init3[0] = FEATURE_KBD_LED_REPORT_ID2; 481 482 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2)); 483 if (ret < 0) { 484 hid_warn(hdev, "Asus failed to send init command 2.0: %d\n", ret); 485 return ret; 486 } 487 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3)); 488 if (ret < 0) 489 hid_warn(hdev, "Asus failed to send init command 2.1: %d\n", ret); 490 491 return ret; 492 } 493 494 static void asus_schedule_work(struct asus_kbd_leds *led) 495 { 496 unsigned long flags; 497 498 spin_lock_irqsave(&led->lock, flags); 499 if (!led->removed) 500 schedule_work(&led->work); 501 spin_unlock_irqrestore(&led->lock, flags); 502 } 503 504 static void asus_kbd_backlight_set(struct led_classdev *led_cdev, 505 enum led_brightness brightness) 506 { 507 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, 508 cdev); 509 unsigned long flags; 510 511 spin_lock_irqsave(&led->lock, flags); 512 led->brightness = brightness; 513 spin_unlock_irqrestore(&led->lock, flags); 514 515 asus_schedule_work(led); 516 } 517 518 static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev) 519 { 520 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, 521 cdev); 522 enum led_brightness brightness; 523 unsigned long flags; 524 525 spin_lock_irqsave(&led->lock, flags); 526 brightness = led->brightness; 527 spin_unlock_irqrestore(&led->lock, flags); 528 529 return brightness; 530 } 531 532 static void asus_kbd_backlight_work(struct work_struct *work) 533 { 534 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work); 535 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 }; 536 int ret; 537 unsigned long flags; 538 539 spin_lock_irqsave(&led->lock, flags); 540 buf[4] = led->brightness; 541 spin_unlock_irqrestore(&led->lock, flags); 542 543 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf)); 544 if (ret < 0) 545 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret); 546 } 547 548 /* WMI-based keyboard backlight LED control (via asus-wmi driver) takes 549 * precedence. We only activate HID-based backlight control when the 550 * WMI control is not available. 551 */ 552 static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev) 553 { 554 u32 value; 555 int ret; 556 557 if (!IS_ENABLED(CONFIG_ASUS_WMI)) 558 return false; 559 560 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 561 ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value); 562 hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value); 563 if (ret) 564 return false; 565 566 return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT); 567 } 568 569 static int asus_kbd_register_leds(struct hid_device *hdev) 570 { 571 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 572 unsigned char kbd_func; 573 int ret; 574 575 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) { 576 ret = rog_nkey_led_init(hdev); 577 if (ret < 0) 578 return ret; 579 } else { 580 /* Initialize keyboard */ 581 ret = asus_kbd_init(hdev); 582 if (ret < 0) 583 return ret; 584 585 /* Get keyboard functions */ 586 ret = asus_kbd_get_functions(hdev, &kbd_func); 587 if (ret < 0) 588 return ret; 589 590 /* Check for backlight support */ 591 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT)) 592 return -ENODEV; 593 } 594 595 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev, 596 sizeof(struct asus_kbd_leds), 597 GFP_KERNEL); 598 if (!drvdata->kbd_backlight) 599 return -ENOMEM; 600 601 drvdata->kbd_backlight->removed = false; 602 drvdata->kbd_backlight->brightness = 0; 603 drvdata->kbd_backlight->hdev = hdev; 604 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight"; 605 drvdata->kbd_backlight->cdev.max_brightness = 3; 606 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set; 607 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get; 608 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work); 609 spin_lock_init(&drvdata->kbd_backlight->lock); 610 611 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev); 612 if (ret < 0) { 613 /* No need to have this still around */ 614 devm_kfree(&hdev->dev, drvdata->kbd_backlight); 615 } 616 617 return ret; 618 } 619 620 /* 621 * [0] REPORT_ID (same value defined in report descriptor) 622 * [1] rest battery level. range [0..255] 623 * [2]..[7] Bluetooth hardware address (MAC address) 624 * [8] charging status 625 * = 0 : AC offline / discharging 626 * = 1 : AC online / charging 627 * = 2 : AC online / fully charged 628 */ 629 static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size) 630 { 631 u8 sts; 632 u8 lvl; 633 int val; 634 635 lvl = data[1]; 636 sts = data[8]; 637 638 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX; 639 640 switch (sts) { 641 case BATTERY_STAT_CHARGING: 642 val = POWER_SUPPLY_STATUS_CHARGING; 643 break; 644 case BATTERY_STAT_FULL: 645 val = POWER_SUPPLY_STATUS_FULL; 646 break; 647 case BATTERY_STAT_DISCONNECT: 648 default: 649 val = POWER_SUPPLY_STATUS_DISCHARGING; 650 break; 651 } 652 drvdata->battery_stat = val; 653 654 return 0; 655 } 656 657 static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size) 658 { 659 /* notify only the autonomous event by device */ 660 if ((drvdata->battery_in_query == false) && 661 (size == BATTERY_REPORT_SIZE)) 662 power_supply_changed(drvdata->battery); 663 664 return 0; 665 } 666 667 static int asus_battery_query(struct asus_drvdata *drvdata) 668 { 669 u8 *buf; 670 int ret = 0; 671 672 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL); 673 if (!buf) 674 return -ENOMEM; 675 676 drvdata->battery_in_query = true; 677 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID, 678 buf, BATTERY_REPORT_SIZE, 679 HID_INPUT_REPORT, HID_REQ_GET_REPORT); 680 drvdata->battery_in_query = false; 681 if (ret == BATTERY_REPORT_SIZE) 682 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE); 683 else 684 ret = -ENODATA; 685 686 kfree(buf); 687 688 return ret; 689 } 690 691 static enum power_supply_property asus_battery_props[] = { 692 POWER_SUPPLY_PROP_STATUS, 693 POWER_SUPPLY_PROP_PRESENT, 694 POWER_SUPPLY_PROP_CAPACITY, 695 POWER_SUPPLY_PROP_SCOPE, 696 POWER_SUPPLY_PROP_MODEL_NAME, 697 }; 698 699 #define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */ 700 701 static int asus_battery_get_property(struct power_supply *psy, 702 enum power_supply_property psp, 703 union power_supply_propval *val) 704 { 705 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy); 706 int ret = 0; 707 708 switch (psp) { 709 case POWER_SUPPLY_PROP_STATUS: 710 case POWER_SUPPLY_PROP_CAPACITY: 711 if (time_before(drvdata->battery_next_query, jiffies)) { 712 drvdata->battery_next_query = 713 jiffies + QUERY_MIN_INTERVAL; 714 ret = asus_battery_query(drvdata); 715 if (ret) 716 return ret; 717 } 718 if (psp == POWER_SUPPLY_PROP_STATUS) 719 val->intval = drvdata->battery_stat; 720 else 721 val->intval = drvdata->battery_capacity; 722 break; 723 case POWER_SUPPLY_PROP_PRESENT: 724 val->intval = 1; 725 break; 726 case POWER_SUPPLY_PROP_SCOPE: 727 val->intval = POWER_SUPPLY_SCOPE_DEVICE; 728 break; 729 case POWER_SUPPLY_PROP_MODEL_NAME: 730 val->strval = drvdata->hdev->name; 731 break; 732 default: 733 ret = -EINVAL; 734 break; 735 } 736 737 return ret; 738 } 739 740 static int asus_battery_probe(struct hid_device *hdev) 741 { 742 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 743 struct power_supply_config pscfg = { .drv_data = drvdata }; 744 int ret = 0; 745 746 drvdata->battery_capacity = 0; 747 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN; 748 drvdata->battery_in_query = false; 749 750 drvdata->battery_desc.properties = asus_battery_props; 751 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props); 752 drvdata->battery_desc.get_property = asus_battery_get_property; 753 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY; 754 drvdata->battery_desc.use_for_apm = 0; 755 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL, 756 "asus-keyboard-%s-battery", 757 strlen(hdev->uniq) ? 758 hdev->uniq : dev_name(&hdev->dev)); 759 if (!drvdata->battery_desc.name) 760 return -ENOMEM; 761 762 drvdata->battery_next_query = jiffies; 763 764 drvdata->battery = devm_power_supply_register(&hdev->dev, 765 &(drvdata->battery_desc), &pscfg); 766 if (IS_ERR(drvdata->battery)) { 767 ret = PTR_ERR(drvdata->battery); 768 drvdata->battery = NULL; 769 hid_err(hdev, "Unable to register battery device\n"); 770 return ret; 771 } 772 773 power_supply_powers(drvdata->battery, &hdev->dev); 774 775 return ret; 776 } 777 778 static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi) 779 { 780 struct input_dev *input = hi->input; 781 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 782 783 /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */ 784 if (drvdata->quirks & QUIRK_T100CHI && 785 hi->report->id != T100CHI_MOUSE_REPORT_ID) 786 return 0; 787 788 /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */ 789 if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) { 790 switch (hi->report->id) { 791 case E1239T_TP_TOGGLE_REPORT_ID: 792 input_set_capability(input, EV_KEY, KEY_F21); 793 input->name = "Asus Touchpad Keys"; 794 drvdata->tp_kbd_input = input; 795 return 0; 796 case INPUT_REPORT_ID: 797 break; /* Touchpad report, handled below */ 798 default: 799 return 0; /* Ignore other reports */ 800 } 801 } 802 803 if (drvdata->tp) { 804 int ret; 805 806 input_set_abs_params(input, ABS_MT_POSITION_X, 0, 807 drvdata->tp->max_x, 0, 0); 808 input_set_abs_params(input, ABS_MT_POSITION_Y, 0, 809 drvdata->tp->max_y, 0, 0); 810 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x); 811 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y); 812 813 if (drvdata->tp->contact_size >= 5) { 814 input_set_abs_params(input, ABS_TOOL_WIDTH, 0, 815 MAX_TOUCH_MAJOR, 0, 0); 816 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 817 MAX_TOUCH_MAJOR, 0, 0); 818 input_set_abs_params(input, ABS_MT_PRESSURE, 0, 819 MAX_PRESSURE, 0, 0); 820 } 821 822 __set_bit(BTN_LEFT, input->keybit); 823 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); 824 825 ret = input_mt_init_slots(input, drvdata->tp->max_contacts, 826 INPUT_MT_POINTER); 827 828 if (ret) { 829 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret); 830 return ret; 831 } 832 } 833 834 drvdata->input = input; 835 836 if (drvdata->enable_backlight && 837 !asus_kbd_wmi_led_control_present(hdev) && 838 asus_kbd_register_leds(hdev)) 839 hid_warn(hdev, "Failed to initialize backlight.\n"); 840 841 return 0; 842 } 843 844 #define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ 845 max, EV_KEY, (c)) 846 static int asus_input_mapping(struct hid_device *hdev, 847 struct hid_input *hi, struct hid_field *field, 848 struct hid_usage *usage, unsigned long **bit, 849 int *max) 850 { 851 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 852 853 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) { 854 /* Don't map anything from the HID report. 855 * We do it all manually in asus_input_configured 856 */ 857 return -1; 858 } 859 860 /* 861 * Ignore a bunch of bogus collections in the T100CHI descriptor. 862 * This avoids a bunch of non-functional hid_input devices getting 863 * created because of the T100CHI using HID_QUIRK_MULTI_INPUT. 864 */ 865 if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) && 866 (field->application == (HID_UP_GENDESK | 0x0080) || 867 field->application == HID_GD_MOUSE || 868 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) || 869 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) || 870 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026))) 871 return -1; 872 873 /* ASUS-specific keyboard hotkeys and led backlight */ 874 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) { 875 switch (usage->hid & HID_USAGE) { 876 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; 877 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break; 878 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break; 879 case 0x6c: asus_map_key_clear(KEY_SLEEP); break; 880 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break; 881 case 0x82: asus_map_key_clear(KEY_CAMERA); break; 882 case 0x88: asus_map_key_clear(KEY_RFKILL); break; 883 case 0xb5: asus_map_key_clear(KEY_CALC); break; 884 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break; 885 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break; 886 887 /* ASUS touchpad toggle */ 888 case 0x6b: asus_map_key_clear(KEY_F21); break; 889 890 /* ROG key */ 891 case 0x38: asus_map_key_clear(KEY_PROG1); break; 892 893 /* Fn+C ASUS Splendid */ 894 case 0xba: asus_map_key_clear(KEY_PROG2); break; 895 896 /* Fn+Space Power4Gear Hybrid */ 897 case 0x5c: asus_map_key_clear(KEY_PROG3); break; 898 899 /* Fn+F5 "fan" symbol on FX503VD */ 900 case 0x99: asus_map_key_clear(KEY_PROG4); break; 901 902 /* Fn+F5 "fan" symbol on N-Key keyboard */ 903 case 0xae: asus_map_key_clear(KEY_PROG4); break; 904 905 /* Fn+Ret "Calc" symbol on N-Key keyboard */ 906 case 0x92: asus_map_key_clear(KEY_CALC); break; 907 908 /* Fn+Left Aura mode previous on N-Key keyboard */ 909 case 0xb2: asus_map_key_clear(KEY_PROG2); break; 910 911 /* Fn+Right Aura mode next on N-Key keyboard */ 912 case 0xb3: asus_map_key_clear(KEY_PROG3); break; 913 914 default: 915 /* ASUS lazily declares 256 usages, ignore the rest, 916 * as some make the keyboard appear as a pointer device. */ 917 return -1; 918 } 919 920 /* 921 * Check and enable backlight only on devices with UsagePage == 922 * 0xff31 to avoid initializing the keyboard firmware multiple 923 * times on devices with multiple HID descriptors but same 924 * PID/VID. 925 */ 926 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) 927 drvdata->enable_backlight = true; 928 929 set_bit(EV_REP, hi->input->evbit); 930 return 1; 931 } 932 933 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) { 934 switch (usage->hid & HID_USAGE) { 935 case 0xff01: asus_map_key_clear(BTN_1); break; 936 case 0xff02: asus_map_key_clear(BTN_2); break; 937 case 0xff03: asus_map_key_clear(BTN_3); break; 938 case 0xff04: asus_map_key_clear(BTN_4); break; 939 case 0xff05: asus_map_key_clear(BTN_5); break; 940 case 0xff06: asus_map_key_clear(BTN_6); break; 941 case 0xff07: asus_map_key_clear(BTN_7); break; 942 case 0xff08: asus_map_key_clear(BTN_8); break; 943 case 0xff09: asus_map_key_clear(BTN_9); break; 944 case 0xff0a: asus_map_key_clear(BTN_A); break; 945 case 0xff0b: asus_map_key_clear(BTN_B); break; 946 case 0x00f1: asus_map_key_clear(KEY_WLAN); break; 947 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; 948 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break; 949 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break; 950 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break; 951 case 0x00f8: asus_map_key_clear(KEY_PROG1); break; 952 default: 953 return 0; 954 } 955 956 set_bit(EV_REP, hi->input->evbit); 957 return 1; 958 } 959 960 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES && 961 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { 962 switch (usage->hid & HID_USAGE) { 963 case 0xe2: /* Mute */ 964 case 0xe9: /* Volume up */ 965 case 0xea: /* Volume down */ 966 return 0; 967 default: 968 /* Ignore dummy Consumer usages which make the 969 * keyboard incorrectly appear as a pointer device. 970 */ 971 return -1; 972 } 973 } 974 975 /* 976 * The mute button is broken and only sends press events, we 977 * deal with this in our raw_event handler, so do not map it. 978 */ 979 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && 980 usage->hid == (HID_UP_CONSUMER | 0xe2)) { 981 input_set_capability(hi->input, EV_KEY, KEY_MUTE); 982 return -1; 983 } 984 985 return 0; 986 } 987 988 static int asus_start_multitouch(struct hid_device *hdev) 989 { 990 int ret; 991 static const unsigned char buf[] = { 992 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 993 }; 994 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL); 995 996 if (!dmabuf) { 997 ret = -ENOMEM; 998 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret); 999 return ret; 1000 } 1001 1002 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf), 1003 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 1004 1005 kfree(dmabuf); 1006 1007 if (ret != sizeof(buf)) { 1008 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret); 1009 return ret; 1010 } 1011 1012 return 0; 1013 } 1014 1015 static int __maybe_unused asus_reset_resume(struct hid_device *hdev) 1016 { 1017 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1018 1019 if (drvdata->tp) 1020 return asus_start_multitouch(hdev); 1021 1022 return 0; 1023 } 1024 1025 static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id) 1026 { 1027 int ret; 1028 struct asus_drvdata *drvdata; 1029 1030 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); 1031 if (drvdata == NULL) { 1032 hid_err(hdev, "Can't alloc Asus descriptor\n"); 1033 return -ENOMEM; 1034 } 1035 1036 hid_set_drvdata(hdev, drvdata); 1037 1038 drvdata->quirks = id->driver_data; 1039 1040 /* 1041 * T90CHI's keyboard dock returns same ID values as T100CHI's dock. 1042 * Thus, identify T90CHI dock with product name string. 1043 */ 1044 if (strstr(hdev->name, "T90CHI")) { 1045 drvdata->quirks &= ~QUIRK_T100CHI; 1046 drvdata->quirks |= QUIRK_T90CHI; 1047 } 1048 1049 if (drvdata->quirks & QUIRK_IS_MULTITOUCH) 1050 drvdata->tp = &asus_i2c_tp; 1051 1052 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) { 1053 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 1054 1055 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) { 1056 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING; 1057 /* 1058 * The T100HA uses the same USB-ids as the T100TAF and 1059 * the T200TA uses the same USB-ids as the T100TA, while 1060 * both have different max x/y values as the T100TA[F]. 1061 */ 1062 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN")) 1063 drvdata->tp = &asus_t100ha_tp; 1064 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA")) 1065 drvdata->tp = &asus_t200ta_tp; 1066 else 1067 drvdata->tp = &asus_t100ta_tp; 1068 } 1069 } 1070 1071 if (drvdata->quirks & QUIRK_T100CHI) { 1072 /* 1073 * All functionality is on a single HID interface and for 1074 * userspace the touchpad must be a separate input_dev. 1075 */ 1076 hdev->quirks |= HID_QUIRK_MULTI_INPUT; 1077 drvdata->tp = &asus_t100chi_tp; 1078 } 1079 1080 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) { 1081 struct usb_host_interface *alt = 1082 to_usb_interface(hdev->dev.parent)->altsetting; 1083 1084 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) { 1085 /* For separate input-devs for tp and tp toggle key */ 1086 hdev->quirks |= HID_QUIRK_MULTI_INPUT; 1087 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING; 1088 drvdata->tp = &medion_e1239t_tp; 1089 } 1090 } 1091 1092 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS) 1093 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; 1094 1095 drvdata->hdev = hdev; 1096 1097 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { 1098 ret = asus_battery_probe(hdev); 1099 if (ret) { 1100 hid_err(hdev, 1101 "Asus hid battery_probe failed: %d\n", ret); 1102 return ret; 1103 } 1104 } 1105 1106 ret = hid_parse(hdev); 1107 if (ret) { 1108 hid_err(hdev, "Asus hid parse failed: %d\n", ret); 1109 return ret; 1110 } 1111 1112 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1113 if (ret) { 1114 hid_err(hdev, "Asus hw start failed: %d\n", ret); 1115 return ret; 1116 } 1117 1118 if (!drvdata->input) { 1119 hid_err(hdev, "Asus input not registered\n"); 1120 ret = -ENOMEM; 1121 goto err_stop_hw; 1122 } 1123 1124 if (drvdata->tp) { 1125 drvdata->input->name = "Asus TouchPad"; 1126 } else { 1127 drvdata->input->name = "Asus Keyboard"; 1128 } 1129 1130 if (drvdata->tp) { 1131 ret = asus_start_multitouch(hdev); 1132 if (ret) 1133 goto err_stop_hw; 1134 } 1135 1136 return 0; 1137 err_stop_hw: 1138 hid_hw_stop(hdev); 1139 return ret; 1140 } 1141 1142 static void asus_remove(struct hid_device *hdev) 1143 { 1144 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1145 unsigned long flags; 1146 1147 if (drvdata->kbd_backlight) { 1148 spin_lock_irqsave(&drvdata->kbd_backlight->lock, flags); 1149 drvdata->kbd_backlight->removed = true; 1150 spin_unlock_irqrestore(&drvdata->kbd_backlight->lock, flags); 1151 1152 cancel_work_sync(&drvdata->kbd_backlight->work); 1153 } 1154 1155 hid_hw_stop(hdev); 1156 } 1157 1158 static const __u8 asus_g752_fixed_rdesc[] = { 1159 0x19, 0x00, /* Usage Minimum (0x00) */ 1160 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */ 1161 }; 1162 1163 static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, 1164 unsigned int *rsize) 1165 { 1166 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1167 1168 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT && 1169 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) { 1170 hid_info(hdev, "Fixing up Asus notebook report descriptor\n"); 1171 rdesc[55] = 0xdd; 1172 } 1173 /* For the T100TA/T200TA keyboard dock */ 1174 if (drvdata->quirks & QUIRK_T100_KEYBOARD && 1175 (*rsize == 76 || *rsize == 101) && 1176 rdesc[73] == 0x81 && rdesc[74] == 0x01) { 1177 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n"); 1178 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT; 1179 } 1180 /* For the T100CHI/T90CHI keyboard dock */ 1181 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { 1182 int rsize_orig; 1183 int offs; 1184 1185 if (drvdata->quirks & QUIRK_T100CHI) { 1186 rsize_orig = 403; 1187 offs = 388; 1188 } else { 1189 rsize_orig = 306; 1190 offs = 291; 1191 } 1192 1193 /* 1194 * Change Usage (76h) to Usage Minimum (00h), Usage Maximum 1195 * (FFh) and clear the flags in the Input() byte. 1196 * Note the descriptor has a bogus 0 byte at the end so we 1197 * only need 1 extra byte. 1198 */ 1199 if (*rsize == rsize_orig && 1200 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) { 1201 *rsize = rsize_orig + 1; 1202 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL); 1203 if (!rdesc) 1204 return NULL; 1205 1206 hid_info(hdev, "Fixing up %s keyb report descriptor\n", 1207 drvdata->quirks & QUIRK_T100CHI ? 1208 "T100CHI" : "T90CHI"); 1209 memmove(rdesc + offs + 4, rdesc + offs + 2, 12); 1210 rdesc[offs] = 0x19; 1211 rdesc[offs + 1] = 0x00; 1212 rdesc[offs + 2] = 0x29; 1213 rdesc[offs + 3] = 0xff; 1214 rdesc[offs + 14] = 0x00; 1215 } 1216 } 1217 1218 if (drvdata->quirks & QUIRK_G752_KEYBOARD && 1219 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) { 1220 /* report is missing usage mninum and maximum */ 1221 __u8 *new_rdesc; 1222 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc); 1223 1224 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL); 1225 if (new_rdesc == NULL) 1226 return rdesc; 1227 1228 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n"); 1229 /* copy the valid part */ 1230 memcpy(new_rdesc, rdesc, 61); 1231 /* insert missing part */ 1232 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc)); 1233 /* copy remaining data */ 1234 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61); 1235 1236 *rsize = new_size; 1237 rdesc = new_rdesc; 1238 } 1239 1240 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && 1241 *rsize == 331 && rdesc[190] == 0x85 && rdesc[191] == 0x5a && 1242 rdesc[204] == 0x95 && rdesc[205] == 0x05) { 1243 hid_info(hdev, "Fixing up Asus N-KEY keyb report descriptor\n"); 1244 rdesc[205] = 0x01; 1245 } 1246 1247 return rdesc; 1248 } 1249 1250 static const struct hid_device_id asus_devices[] = { 1251 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, 1252 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS}, 1253 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, 1254 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS }, 1255 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1256 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT }, 1257 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1258 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT }, 1259 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1260 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD }, 1261 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1262 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD), 1263 QUIRK_USE_KBD_BACKLIGHT }, 1264 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1265 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD), 1266 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1267 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1268 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2), 1269 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1270 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1271 USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD), 1272 QUIRK_ROG_CLAYMORE_II_KEYBOARD }, 1273 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1274 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD), 1275 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, 1276 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1277 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD), 1278 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, 1279 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) }, 1280 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) }, 1281 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) }, 1282 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, 1283 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI }, 1284 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T), 1285 QUIRK_MEDION_E1239T }, 1286 /* 1287 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard 1288 * part, while letting hid-multitouch.c handle the touchpad. 1289 */ 1290 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1291 USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) }, 1292 { } 1293 }; 1294 MODULE_DEVICE_TABLE(hid, asus_devices); 1295 1296 static struct hid_driver asus_driver = { 1297 .name = "asus", 1298 .id_table = asus_devices, 1299 .report_fixup = asus_report_fixup, 1300 .probe = asus_probe, 1301 .remove = asus_remove, 1302 .input_mapping = asus_input_mapping, 1303 .input_configured = asus_input_configured, 1304 #ifdef CONFIG_PM 1305 .reset_resume = asus_reset_resume, 1306 #endif 1307 .event = asus_event, 1308 .raw_event = asus_raw_event 1309 }; 1310 module_hid_driver(asus_driver); 1311 1312 MODULE_LICENSE("GPL"); 1313