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 37MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>"); 38MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>"); 39MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>"); 40MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>"); 41MODULE_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 97struct 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 106struct 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 116struct 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 132static int asus_report_battery(struct asus_drvdata *, u8 *, int); 133 134static 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 142static 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 152static 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 162static 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 172static 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 182static 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 192static 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 */ 220static 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 250static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size) 251{ 252 int i, toolType = MT_TOOL_FINGER; 253 u8 *contactData = data + 2; 254 255 if (size != drvdat->tp->report_size) 256 return 0; 257 258 for (i = 0; i < drvdat->tp->max_contacts; i++) { 259 bool down = !!(data[1] & BIT(i+3)); 260 261 if (drvdat->tp->contact_size >= 5) 262 toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ? 263 MT_TOOL_PALM : MT_TOOL_FINGER; 264 265 input_mt_slot(drvdat->input, i); 266 input_mt_report_slot_state(drvdat->input, toolType, down); 267 268 if (down) { 269 asus_report_contact_down(drvdat, toolType, contactData); 270 contactData += drvdat->tp->contact_size; 271 } 272 } 273 274 input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK); 275 asus_report_tool_width(drvdat); 276 277 input_mt_sync_frame(drvdat->input); 278 input_sync(drvdat->input); 279 280 return 1; 281} 282 283static int asus_e1239t_event(struct asus_drvdata *drvdat, u8 *data, int size) 284{ 285 if (size != 3) 286 return 0; 287 288 /* 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 311static int asus_event(struct hid_device *hdev, struct hid_field *field, 312 struct hid_usage *usage, __s32 value) 313{ 314 if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 && 315 (usage->hid & HID_USAGE) != 0x00 && 316 (usage->hid & HID_USAGE) != 0xff && !usage->type) { 317 hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n", 318 usage->hid & HID_USAGE); 319 } 320 321 return 0; 322} 323 324static int asus_raw_event(struct hid_device *hdev, 325 struct hid_report *report, u8 *data, int size) 326{ 327 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 328 329 if (drvdata->battery && data[0] == BATTERY_REPORT_ID) 330 return asus_report_battery(drvdata, data, size); 331 332 if (drvdata->tp && data[0] == INPUT_REPORT_ID) 333 return asus_report_input(drvdata, data, size); 334 335 if (drvdata->quirks & QUIRK_MEDION_E1239T) 336 return asus_e1239t_event(drvdata, data, size); 337 338 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) { 339 /* 340 * Skip these report ID, the device emits a continuous stream associated 341 * with the AURA mode it is in which looks like an 'echo'. 342 */ 343 if (report->id == FEATURE_KBD_LED_REPORT_ID1 || 344 report->id == FEATURE_KBD_LED_REPORT_ID2) { 345 return -1; 346 /* Additional report filtering */ 347 } else if (report->id == FEATURE_KBD_REPORT_ID) { 348 /* 349 * G14 and G15 send these codes on some keypresses with no 350 * discernable reason for doing so. We'll filter them out to avoid 351 * unmapped warning messages later. 352 */ 353 if (data[1] == 0xea || data[1] == 0xec || data[1] == 0x02 || 354 data[1] == 0x8a || data[1] == 0x9e) { 355 return -1; 356 } 357 } 358 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) { 359 /* 360 * G713 and G733 send these codes on some keypresses, depending on 361 * the key pressed it can trigger a shutdown event if not caught. 362 */ 363 if(data[0] == 0x02 && data[1] == 0x30) { 364 return -1; 365 } 366 } 367 368 } 369 370 if (drvdata->quirks & QUIRK_ROG_CLAYMORE_II_KEYBOARD) { 371 /* 372 * CLAYMORE II keyboard sends this packet when it goes to sleep 373 * this causes the whole system to go into suspend. 374 */ 375 376 if(size == 2 && data[0] == 0x02 && data[1] == 0x00) { 377 return -1; 378 } 379 } 380 381 return 0; 382} 383 384static int asus_kbd_set_report(struct hid_device *hdev, const u8 *buf, size_t buf_size) 385{ 386 unsigned char *dmabuf; 387 int ret; 388 389 dmabuf = kmemdup(buf, buf_size, GFP_KERNEL); 390 if (!dmabuf) 391 return -ENOMEM; 392 393 /* 394 * The report ID should be set from the incoming buffer due to LED and key 395 * interfaces having different pages 396 */ 397 ret = hid_hw_raw_request(hdev, buf[0], dmabuf, 398 buf_size, HID_FEATURE_REPORT, 399 HID_REQ_SET_REPORT); 400 kfree(dmabuf); 401 402 return ret; 403} 404 405static int asus_kbd_init(struct hid_device *hdev) 406{ 407 const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54, 408 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 }; 409 int ret; 410 411 ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); 412 if (ret < 0) 413 hid_err(hdev, "Asus failed to send init command: %d\n", ret); 414 415 return ret; 416} 417 418static int asus_kbd_get_functions(struct hid_device *hdev, 419 unsigned char *kbd_func) 420{ 421 const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 }; 422 u8 *readbuf; 423 int ret; 424 425 ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); 426 if (ret < 0) { 427 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret); 428 return ret; 429 } 430 431 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL); 432 if (!readbuf) 433 return -ENOMEM; 434 435 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf, 436 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT, 437 HID_REQ_GET_REPORT); 438 if (ret < 0) { 439 hid_err(hdev, "Asus failed to request functions: %d\n", ret); 440 kfree(readbuf); 441 return ret; 442 } 443 444 *kbd_func = readbuf[6]; 445 446 kfree(readbuf); 447 return ret; 448} 449 450static int rog_nkey_led_init(struct hid_device *hdev) 451{ 452 const u8 buf_init_start[] = { FEATURE_KBD_LED_REPORT_ID1, 0xB9 }; 453 u8 buf_init2[] = { FEATURE_KBD_LED_REPORT_ID1, 0x41, 0x53, 0x55, 0x53, 0x20, 454 0x54, 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 }; 455 u8 buf_init3[] = { FEATURE_KBD_LED_REPORT_ID1, 456 0x05, 0x20, 0x31, 0x00, 0x08 }; 457 int ret; 458 459 hid_info(hdev, "Asus initialise N-KEY Device"); 460 /* The first message is an init start */ 461 ret = asus_kbd_set_report(hdev, buf_init_start, sizeof(buf_init_start)); 462 if (ret < 0) { 463 hid_warn(hdev, "Asus failed to send init start command: %d\n", ret); 464 return ret; 465 } 466 /* Followed by a string */ 467 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2)); 468 if (ret < 0) { 469 hid_warn(hdev, "Asus failed to send init command 1.0: %d\n", ret); 470 return ret; 471 } 472 /* Followed by a string */ 473 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3)); 474 if (ret < 0) { 475 hid_warn(hdev, "Asus failed to send init command 1.1: %d\n", ret); 476 return ret; 477 } 478 479 /* begin second report ID with same data */ 480 buf_init2[0] = FEATURE_KBD_LED_REPORT_ID2; 481 buf_init3[0] = FEATURE_KBD_LED_REPORT_ID2; 482 483 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2)); 484 if (ret < 0) { 485 hid_warn(hdev, "Asus failed to send init command 2.0: %d\n", ret); 486 return ret; 487 } 488 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3)); 489 if (ret < 0) 490 hid_warn(hdev, "Asus failed to send init command 2.1: %d\n", ret); 491 492 return ret; 493} 494 495static void asus_schedule_work(struct asus_kbd_leds *led) 496{ 497 unsigned long flags; 498 499 spin_lock_irqsave(&led->lock, flags); 500 if (!led->removed) 501 schedule_work(&led->work); 502 spin_unlock_irqrestore(&led->lock, flags); 503} 504 505static void asus_kbd_backlight_set(struct led_classdev *led_cdev, 506 enum led_brightness brightness) 507{ 508 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, 509 cdev); 510 unsigned long flags; 511 512 spin_lock_irqsave(&led->lock, flags); 513 led->brightness = brightness; 514 spin_unlock_irqrestore(&led->lock, flags); 515 516 asus_schedule_work(led); 517} 518 519static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev) 520{ 521 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, 522 cdev); 523 enum led_brightness brightness; 524 unsigned long flags; 525 526 spin_lock_irqsave(&led->lock, flags); 527 brightness = led->brightness; 528 spin_unlock_irqrestore(&led->lock, flags); 529 530 return brightness; 531} 532 533static void asus_kbd_backlight_work(struct work_struct *work) 534{ 535 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work); 536 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 }; 537 int ret; 538 unsigned long flags; 539 540 spin_lock_irqsave(&led->lock, flags); 541 buf[4] = led->brightness; 542 spin_unlock_irqrestore(&led->lock, flags); 543 544 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf)); 545 if (ret < 0) 546 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret); 547} 548 549/* WMI-based keyboard backlight LED control (via asus-wmi driver) takes 550 * precedence. We only activate HID-based backlight control when the 551 * WMI control is not available. 552 */ 553static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev) 554{ 555 u32 value; 556 int ret; 557 558 if (!IS_ENABLED(CONFIG_ASUS_WMI)) 559 return false; 560 561 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 562 ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value); 563 hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value); 564 if (ret) 565 return false; 566 567 return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT); 568} 569 570static int asus_kbd_register_leds(struct hid_device *hdev) 571{ 572 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 573 unsigned char kbd_func; 574 int ret; 575 576 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) { 577 ret = rog_nkey_led_init(hdev); 578 if (ret < 0) 579 return ret; 580 } else { 581 /* Initialize keyboard */ 582 ret = asus_kbd_init(hdev); 583 if (ret < 0) 584 return ret; 585 586 /* Get keyboard functions */ 587 ret = asus_kbd_get_functions(hdev, &kbd_func); 588 if (ret < 0) 589 return ret; 590 591 /* Check for backlight support */ 592 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT)) 593 return -ENODEV; 594 } 595 596 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev, 597 sizeof(struct asus_kbd_leds), 598 GFP_KERNEL); 599 if (!drvdata->kbd_backlight) 600 return -ENOMEM; 601 602 drvdata->kbd_backlight->removed = false; 603 drvdata->kbd_backlight->brightness = 0; 604 drvdata->kbd_backlight->hdev = hdev; 605 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight"; 606 drvdata->kbd_backlight->cdev.max_brightness = 3; 607 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set; 608 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get; 609 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work); 610 spin_lock_init(&drvdata->kbd_backlight->lock); 611 612 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev); 613 if (ret < 0) { 614 /* No need to have this still around */ 615 devm_kfree(&hdev->dev, drvdata->kbd_backlight); 616 } 617 618 return ret; 619} 620 621/* 622 * [0] REPORT_ID (same value defined in report descriptor) 623 * [1] rest battery level. range [0..255] 624 * [2]..[7] Bluetooth hardware address (MAC address) 625 * [8] charging status 626 * = 0 : AC offline / discharging 627 * = 1 : AC online / charging 628 * = 2 : AC online / fully charged 629 */ 630static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size) 631{ 632 u8 sts; 633 u8 lvl; 634 int val; 635 636 lvl = data[1]; 637 sts = data[8]; 638 639 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX; 640 641 switch (sts) { 642 case BATTERY_STAT_CHARGING: 643 val = POWER_SUPPLY_STATUS_CHARGING; 644 break; 645 case BATTERY_STAT_FULL: 646 val = POWER_SUPPLY_STATUS_FULL; 647 break; 648 case BATTERY_STAT_DISCONNECT: 649 default: 650 val = POWER_SUPPLY_STATUS_DISCHARGING; 651 break; 652 } 653 drvdata->battery_stat = val; 654 655 return 0; 656} 657 658static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size) 659{ 660 /* notify only the autonomous event by device */ 661 if ((drvdata->battery_in_query == false) && 662 (size == BATTERY_REPORT_SIZE)) 663 power_supply_changed(drvdata->battery); 664 665 return 0; 666} 667 668static int asus_battery_query(struct asus_drvdata *drvdata) 669{ 670 u8 *buf; 671 int ret = 0; 672 673 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL); 674 if (!buf) 675 return -ENOMEM; 676 677 drvdata->battery_in_query = true; 678 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID, 679 buf, BATTERY_REPORT_SIZE, 680 HID_INPUT_REPORT, HID_REQ_GET_REPORT); 681 drvdata->battery_in_query = false; 682 if (ret == BATTERY_REPORT_SIZE) 683 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE); 684 else 685 ret = -ENODATA; 686 687 kfree(buf); 688 689 return ret; 690} 691 692static enum power_supply_property asus_battery_props[] = { 693 POWER_SUPPLY_PROP_STATUS, 694 POWER_SUPPLY_PROP_PRESENT, 695 POWER_SUPPLY_PROP_CAPACITY, 696 POWER_SUPPLY_PROP_SCOPE, 697 POWER_SUPPLY_PROP_MODEL_NAME, 698}; 699 700#define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */ 701 702static int asus_battery_get_property(struct power_supply *psy, 703 enum power_supply_property psp, 704 union power_supply_propval *val) 705{ 706 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy); 707 int ret = 0; 708 709 switch (psp) { 710 case POWER_SUPPLY_PROP_STATUS: 711 case POWER_SUPPLY_PROP_CAPACITY: 712 if (time_before(drvdata->battery_next_query, jiffies)) { 713 drvdata->battery_next_query = 714 jiffies + QUERY_MIN_INTERVAL; 715 ret = asus_battery_query(drvdata); 716 if (ret) 717 return ret; 718 } 719 if (psp == POWER_SUPPLY_PROP_STATUS) 720 val->intval = drvdata->battery_stat; 721 else 722 val->intval = drvdata->battery_capacity; 723 break; 724 case POWER_SUPPLY_PROP_PRESENT: 725 val->intval = 1; 726 break; 727 case POWER_SUPPLY_PROP_SCOPE: 728 val->intval = POWER_SUPPLY_SCOPE_DEVICE; 729 break; 730 case POWER_SUPPLY_PROP_MODEL_NAME: 731 val->strval = drvdata->hdev->name; 732 break; 733 default: 734 ret = -EINVAL; 735 break; 736 } 737 738 return ret; 739} 740 741static int asus_battery_probe(struct hid_device *hdev) 742{ 743 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 744 struct power_supply_config pscfg = { .drv_data = drvdata }; 745 int ret = 0; 746 747 drvdata->battery_capacity = 0; 748 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN; 749 drvdata->battery_in_query = false; 750 751 drvdata->battery_desc.properties = asus_battery_props; 752 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props); 753 drvdata->battery_desc.get_property = asus_battery_get_property; 754 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY; 755 drvdata->battery_desc.use_for_apm = 0; 756 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL, 757 "asus-keyboard-%s-battery", 758 strlen(hdev->uniq) ? 759 hdev->uniq : dev_name(&hdev->dev)); 760 if (!drvdata->battery_desc.name) 761 return -ENOMEM; 762 763 drvdata->battery_next_query = jiffies; 764 765 drvdata->battery = devm_power_supply_register(&hdev->dev, 766 &(drvdata->battery_desc), &pscfg); 767 if (IS_ERR(drvdata->battery)) { 768 ret = PTR_ERR(drvdata->battery); 769 drvdata->battery = NULL; 770 hid_err(hdev, "Unable to register battery device\n"); 771 return ret; 772 } 773 774 power_supply_powers(drvdata->battery, &hdev->dev); 775 776 return ret; 777} 778 779static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi) 780{ 781 struct input_dev *input = hi->input; 782 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 783 784 /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */ 785 if (drvdata->quirks & QUIRK_T100CHI && 786 hi->report->id != T100CHI_MOUSE_REPORT_ID) 787 return 0; 788 789 /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */ 790 if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) { 791 switch (hi->report->id) { 792 case E1239T_TP_TOGGLE_REPORT_ID: 793 input_set_capability(input, EV_KEY, KEY_F21); 794 input->name = "Asus Touchpad Keys"; 795 drvdata->tp_kbd_input = input; 796 return 0; 797 case INPUT_REPORT_ID: 798 break; /* Touchpad report, handled below */ 799 default: 800 return 0; /* Ignore other reports */ 801 } 802 } 803 804 if (drvdata->tp) { 805 int ret; 806 807 input_set_abs_params(input, ABS_MT_POSITION_X, 0, 808 drvdata->tp->max_x, 0, 0); 809 input_set_abs_params(input, ABS_MT_POSITION_Y, 0, 810 drvdata->tp->max_y, 0, 0); 811 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x); 812 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y); 813 814 if (drvdata->tp->contact_size >= 5) { 815 input_set_abs_params(input, ABS_TOOL_WIDTH, 0, 816 MAX_TOUCH_MAJOR, 0, 0); 817 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 818 MAX_TOUCH_MAJOR, 0, 0); 819 input_set_abs_params(input, ABS_MT_PRESSURE, 0, 820 MAX_PRESSURE, 0, 0); 821 } 822 823 __set_bit(BTN_LEFT, input->keybit); 824 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); 825 826 ret = input_mt_init_slots(input, drvdata->tp->max_contacts, 827 INPUT_MT_POINTER); 828 829 if (ret) { 830 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret); 831 return ret; 832 } 833 } 834 835 drvdata->input = input; 836 837 if (drvdata->enable_backlight && 838 !asus_kbd_wmi_led_control_present(hdev) && 839 asus_kbd_register_leds(hdev)) 840 hid_warn(hdev, "Failed to initialize backlight.\n"); 841 842 return 0; 843} 844 845#define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ 846 max, EV_KEY, (c)) 847static int asus_input_mapping(struct hid_device *hdev, 848 struct hid_input *hi, struct hid_field *field, 849 struct hid_usage *usage, unsigned long **bit, 850 int *max) 851{ 852 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 853 854 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) { 855 /* Don't map anything from the HID report. 856 * We do it all manually in asus_input_configured 857 */ 858 return -1; 859 } 860 861 /* 862 * Ignore a bunch of bogus collections in the T100CHI descriptor. 863 * This avoids a bunch of non-functional hid_input devices getting 864 * created because of the T100CHI using HID_QUIRK_MULTI_INPUT. 865 */ 866 if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) && 867 (field->application == (HID_UP_GENDESK | 0x0080) || 868 field->application == HID_GD_MOUSE || 869 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) || 870 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) || 871 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026))) 872 return -1; 873 874 /* ASUS-specific keyboard hotkeys and led backlight */ 875 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) { 876 switch (usage->hid & HID_USAGE) { 877 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; 878 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break; 879 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break; 880 case 0x6c: asus_map_key_clear(KEY_SLEEP); break; 881 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break; 882 case 0x82: asus_map_key_clear(KEY_CAMERA); break; 883 case 0x88: asus_map_key_clear(KEY_RFKILL); break; 884 case 0xb5: asus_map_key_clear(KEY_CALC); break; 885 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break; 886 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break; 887 case 0xc7: asus_map_key_clear(KEY_KBDILLUMTOGGLE); break; 888 889 case 0x6b: asus_map_key_clear(KEY_F21); break; /* ASUS touchpad toggle */ 890 case 0x38: asus_map_key_clear(KEY_PROG1); break; /* ROG key */ 891 case 0xba: asus_map_key_clear(KEY_PROG2); break; /* Fn+C ASUS Splendid */ 892 case 0x5c: asus_map_key_clear(KEY_PROG3); break; /* Fn+Space Power4Gear */ 893 case 0x99: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */ 894 case 0xae: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */ 895 case 0x92: asus_map_key_clear(KEY_CALC); break; /* Fn+Ret "Calc" symbol */ 896 case 0xb2: asus_map_key_clear(KEY_PROG2); break; /* Fn+Left previous aura */ 897 case 0xb3: asus_map_key_clear(KEY_PROG3); break; /* Fn+Left next aura */ 898 case 0x6a: asus_map_key_clear(KEY_F13); break; /* Screenpad toggle */ 899 case 0x4b: asus_map_key_clear(KEY_F14); break; /* Arrows/Pg-Up/Dn toggle */ 900 901 902 default: 903 /* ASUS lazily declares 256 usages, ignore the rest, 904 * as some make the keyboard appear as a pointer device. */ 905 return -1; 906 } 907 908 /* 909 * Check and enable backlight only on devices with UsagePage == 910 * 0xff31 to avoid initializing the keyboard firmware multiple 911 * times on devices with multiple HID descriptors but same 912 * PID/VID. 913 */ 914 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) 915 drvdata->enable_backlight = true; 916 917 set_bit(EV_REP, hi->input->evbit); 918 return 1; 919 } 920 921 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) { 922 switch (usage->hid & HID_USAGE) { 923 case 0xff01: asus_map_key_clear(BTN_1); break; 924 case 0xff02: asus_map_key_clear(BTN_2); break; 925 case 0xff03: asus_map_key_clear(BTN_3); break; 926 case 0xff04: asus_map_key_clear(BTN_4); break; 927 case 0xff05: asus_map_key_clear(BTN_5); break; 928 case 0xff06: asus_map_key_clear(BTN_6); break; 929 case 0xff07: asus_map_key_clear(BTN_7); break; 930 case 0xff08: asus_map_key_clear(BTN_8); break; 931 case 0xff09: asus_map_key_clear(BTN_9); break; 932 case 0xff0a: asus_map_key_clear(BTN_A); break; 933 case 0xff0b: asus_map_key_clear(BTN_B); break; 934 case 0x00f1: asus_map_key_clear(KEY_WLAN); break; 935 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; 936 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break; 937 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break; 938 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break; 939 case 0x00f8: asus_map_key_clear(KEY_PROG1); break; 940 default: 941 return 0; 942 } 943 944 set_bit(EV_REP, hi->input->evbit); 945 return 1; 946 } 947 948 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES && 949 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { 950 switch (usage->hid & HID_USAGE) { 951 case 0xe2: /* Mute */ 952 case 0xe9: /* Volume up */ 953 case 0xea: /* Volume down */ 954 return 0; 955 default: 956 /* Ignore dummy Consumer usages which make the 957 * keyboard incorrectly appear as a pointer device. 958 */ 959 return -1; 960 } 961 } 962 963 /* 964 * The mute button is broken and only sends press events, we 965 * deal with this in our raw_event handler, so do not map it. 966 */ 967 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && 968 usage->hid == (HID_UP_CONSUMER | 0xe2)) { 969 input_set_capability(hi->input, EV_KEY, KEY_MUTE); 970 return -1; 971 } 972 973 return 0; 974} 975 976static int asus_start_multitouch(struct hid_device *hdev) 977{ 978 int ret; 979 static const unsigned char buf[] = { 980 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 981 }; 982 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL); 983 984 if (!dmabuf) { 985 ret = -ENOMEM; 986 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret); 987 return ret; 988 } 989 990 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf), 991 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 992 993 kfree(dmabuf); 994 995 if (ret != sizeof(buf)) { 996 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret); 997 return ret; 998 } 999 1000 return 0; 1001} 1002 1003static int __maybe_unused asus_resume(struct hid_device *hdev) { 1004 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1005 int ret = 0; 1006 1007 if (drvdata->kbd_backlight) { 1008 const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 1009 drvdata->kbd_backlight->cdev.brightness }; 1010 ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); 1011 if (ret < 0) { 1012 hid_err(hdev, "Asus failed to set keyboard backlight: %d\n", ret); 1013 goto asus_resume_err; 1014 } 1015 } 1016 1017asus_resume_err: 1018 return ret; 1019} 1020 1021static int __maybe_unused asus_reset_resume(struct hid_device *hdev) 1022{ 1023 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1024 1025 if (drvdata->tp) 1026 return asus_start_multitouch(hdev); 1027 1028 return 0; 1029} 1030 1031static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id) 1032{ 1033 int ret; 1034 struct asus_drvdata *drvdata; 1035 1036 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); 1037 if (drvdata == NULL) { 1038 hid_err(hdev, "Can't alloc Asus descriptor\n"); 1039 return -ENOMEM; 1040 } 1041 1042 hid_set_drvdata(hdev, drvdata); 1043 1044 drvdata->quirks = id->driver_data; 1045 1046 /* 1047 * T90CHI's keyboard dock returns same ID values as T100CHI's dock. 1048 * Thus, identify T90CHI dock with product name string. 1049 */ 1050 if (strstr(hdev->name, "T90CHI")) { 1051 drvdata->quirks &= ~QUIRK_T100CHI; 1052 drvdata->quirks |= QUIRK_T90CHI; 1053 } 1054 1055 if (drvdata->quirks & QUIRK_IS_MULTITOUCH) 1056 drvdata->tp = &asus_i2c_tp; 1057 1058 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) { 1059 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 1060 1061 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) { 1062 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING; 1063 /* 1064 * The T100HA uses the same USB-ids as the T100TAF and 1065 * the T200TA uses the same USB-ids as the T100TA, while 1066 * both have different max x/y values as the T100TA[F]. 1067 */ 1068 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN")) 1069 drvdata->tp = &asus_t100ha_tp; 1070 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA")) 1071 drvdata->tp = &asus_t200ta_tp; 1072 else 1073 drvdata->tp = &asus_t100ta_tp; 1074 } 1075 } 1076 1077 if (drvdata->quirks & QUIRK_T100CHI) { 1078 /* 1079 * All functionality is on a single HID interface and for 1080 * userspace the touchpad must be a separate input_dev. 1081 */ 1082 hdev->quirks |= HID_QUIRK_MULTI_INPUT; 1083 drvdata->tp = &asus_t100chi_tp; 1084 } 1085 1086 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) { 1087 struct usb_host_interface *alt = 1088 to_usb_interface(hdev->dev.parent)->altsetting; 1089 1090 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) { 1091 /* For separate input-devs for tp and tp toggle key */ 1092 hdev->quirks |= HID_QUIRK_MULTI_INPUT; 1093 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING; 1094 drvdata->tp = &medion_e1239t_tp; 1095 } 1096 } 1097 1098 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS) 1099 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; 1100 1101 drvdata->hdev = hdev; 1102 1103 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { 1104 ret = asus_battery_probe(hdev); 1105 if (ret) { 1106 hid_err(hdev, 1107 "Asus hid battery_probe failed: %d\n", ret); 1108 return ret; 1109 } 1110 } 1111 1112 ret = hid_parse(hdev); 1113 if (ret) { 1114 hid_err(hdev, "Asus hid parse failed: %d\n", ret); 1115 return ret; 1116 } 1117 1118 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1119 if (ret) { 1120 hid_err(hdev, "Asus hw start failed: %d\n", ret); 1121 return ret; 1122 } 1123 1124 if (!drvdata->input) { 1125 hid_err(hdev, "Asus input not registered\n"); 1126 ret = -ENOMEM; 1127 goto err_stop_hw; 1128 } 1129 1130 if (drvdata->tp) { 1131 drvdata->input->name = "Asus TouchPad"; 1132 } else { 1133 drvdata->input->name = "Asus Keyboard"; 1134 } 1135 1136 if (drvdata->tp) { 1137 ret = asus_start_multitouch(hdev); 1138 if (ret) 1139 goto err_stop_hw; 1140 } 1141 1142 return 0; 1143err_stop_hw: 1144 hid_hw_stop(hdev); 1145 return ret; 1146} 1147 1148static void asus_remove(struct hid_device *hdev) 1149{ 1150 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1151 unsigned long flags; 1152 1153 if (drvdata->kbd_backlight) { 1154 spin_lock_irqsave(&drvdata->kbd_backlight->lock, flags); 1155 drvdata->kbd_backlight->removed = true; 1156 spin_unlock_irqrestore(&drvdata->kbd_backlight->lock, flags); 1157 1158 cancel_work_sync(&drvdata->kbd_backlight->work); 1159 } 1160 1161 hid_hw_stop(hdev); 1162} 1163 1164static const __u8 asus_g752_fixed_rdesc[] = { 1165 0x19, 0x00, /* Usage Minimum (0x00) */ 1166 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */ 1167}; 1168 1169static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, 1170 unsigned int *rsize) 1171{ 1172 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1173 1174 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT && 1175 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) { 1176 hid_info(hdev, "Fixing up Asus notebook report descriptor\n"); 1177 rdesc[55] = 0xdd; 1178 } 1179 /* For the T100TA/T200TA keyboard dock */ 1180 if (drvdata->quirks & QUIRK_T100_KEYBOARD && 1181 (*rsize == 76 || *rsize == 101) && 1182 rdesc[73] == 0x81 && rdesc[74] == 0x01) { 1183 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n"); 1184 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT; 1185 } 1186 /* For the T100CHI/T90CHI keyboard dock */ 1187 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { 1188 int rsize_orig; 1189 int offs; 1190 1191 if (drvdata->quirks & QUIRK_T100CHI) { 1192 rsize_orig = 403; 1193 offs = 388; 1194 } else { 1195 rsize_orig = 306; 1196 offs = 291; 1197 } 1198 1199 /* 1200 * Change Usage (76h) to Usage Minimum (00h), Usage Maximum 1201 * (FFh) and clear the flags in the Input() byte. 1202 * Note the descriptor has a bogus 0 byte at the end so we 1203 * only need 1 extra byte. 1204 */ 1205 if (*rsize == rsize_orig && 1206 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) { 1207 *rsize = rsize_orig + 1; 1208 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL); 1209 if (!rdesc) 1210 return NULL; 1211 1212 hid_info(hdev, "Fixing up %s keyb report descriptor\n", 1213 drvdata->quirks & QUIRK_T100CHI ? 1214 "T100CHI" : "T90CHI"); 1215 memmove(rdesc + offs + 4, rdesc + offs + 2, 12); 1216 rdesc[offs] = 0x19; 1217 rdesc[offs + 1] = 0x00; 1218 rdesc[offs + 2] = 0x29; 1219 rdesc[offs + 3] = 0xff; 1220 rdesc[offs + 14] = 0x00; 1221 } 1222 } 1223 1224 if (drvdata->quirks & QUIRK_G752_KEYBOARD && 1225 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) { 1226 /* report is missing usage mninum and maximum */ 1227 __u8 *new_rdesc; 1228 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc); 1229 1230 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL); 1231 if (new_rdesc == NULL) 1232 return rdesc; 1233 1234 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n"); 1235 /* copy the valid part */ 1236 memcpy(new_rdesc, rdesc, 61); 1237 /* insert missing part */ 1238 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc)); 1239 /* copy remaining data */ 1240 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61); 1241 1242 *rsize = new_size; 1243 rdesc = new_rdesc; 1244 } 1245 1246 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && 1247 *rsize == 331 && rdesc[190] == 0x85 && rdesc[191] == 0x5a && 1248 rdesc[204] == 0x95 && rdesc[205] == 0x05) { 1249 hid_info(hdev, "Fixing up Asus N-KEY keyb report descriptor\n"); 1250 rdesc[205] = 0x01; 1251 } 1252 1253 return rdesc; 1254} 1255 1256static const struct hid_device_id asus_devices[] = { 1257 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, 1258 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS}, 1259 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, 1260 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS }, 1261 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1262 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT }, 1263 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1264 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT }, 1265 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1266 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD }, 1267 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1268 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD), 1269 QUIRK_USE_KBD_BACKLIGHT }, 1270 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1271 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD), 1272 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1273 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1274 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2), 1275 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1276 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1277 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD3), 1278 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1279 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1280 USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD), 1281 QUIRK_ROG_CLAYMORE_II_KEYBOARD }, 1282 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1283 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD), 1284 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, 1285 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1286 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD), 1287 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, 1288 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) }, 1289 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) }, 1290 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) }, 1291 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, 1292 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI }, 1293 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T), 1294 QUIRK_MEDION_E1239T }, 1295 /* 1296 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard 1297 * part, while letting hid-multitouch.c handle the touchpad. 1298 */ 1299 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1300 USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) }, 1301 { } 1302}; 1303MODULE_DEVICE_TABLE(hid, asus_devices); 1304 1305static struct hid_driver asus_driver = { 1306 .name = "asus", 1307 .id_table = asus_devices, 1308 .report_fixup = asus_report_fixup, 1309 .probe = asus_probe, 1310 .remove = asus_remove, 1311 .input_mapping = asus_input_mapping, 1312 .input_configured = asus_input_configured, 1313#ifdef CONFIG_PM 1314 .reset_resume = asus_reset_resume, 1315 .resume = asus_resume, 1316#endif 1317 .event = asus_event, 1318 .raw_event = asus_raw_event 1319}; 1320module_hid_driver(asus_driver); 1321 1322MODULE_LICENSE("GPL");