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) 390 { 391 const u8 buf[] = { FEATURE_KBD_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 { 405 const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 }; 406 u8 *readbuf; 407 int ret; 408 409 ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); 410 if (ret < 0) { 411 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret); 412 return ret; 413 } 414 415 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL); 416 if (!readbuf) 417 return -ENOMEM; 418 419 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf, 420 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT, 421 HID_REQ_GET_REPORT); 422 if (ret < 0) { 423 hid_err(hdev, "Asus failed to request functions: %d\n", ret); 424 kfree(readbuf); 425 return ret; 426 } 427 428 *kbd_func = readbuf[6]; 429 430 kfree(readbuf); 431 return ret; 432 } 433 434 static int rog_nkey_led_init(struct hid_device *hdev) 435 { 436 const u8 buf_init_start[] = { FEATURE_KBD_LED_REPORT_ID1, 0xB9 }; 437 u8 buf_init2[] = { FEATURE_KBD_LED_REPORT_ID1, 0x41, 0x53, 0x55, 0x53, 0x20, 438 0x54, 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 }; 439 u8 buf_init3[] = { FEATURE_KBD_LED_REPORT_ID1, 440 0x05, 0x20, 0x31, 0x00, 0x08 }; 441 int ret; 442 443 hid_info(hdev, "Asus initialise N-KEY Device"); 444 /* The first message is an init start */ 445 ret = asus_kbd_set_report(hdev, buf_init_start, sizeof(buf_init_start)); 446 if (ret < 0) { 447 hid_warn(hdev, "Asus failed to send init start command: %d\n", ret); 448 return ret; 449 } 450 /* Followed by a string */ 451 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2)); 452 if (ret < 0) { 453 hid_warn(hdev, "Asus failed to send init command 1.0: %d\n", ret); 454 return ret; 455 } 456 /* Followed by a string */ 457 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3)); 458 if (ret < 0) { 459 hid_warn(hdev, "Asus failed to send init command 1.1: %d\n", ret); 460 return ret; 461 } 462 463 /* begin second report ID with same data */ 464 buf_init2[0] = FEATURE_KBD_LED_REPORT_ID2; 465 buf_init3[0] = FEATURE_KBD_LED_REPORT_ID2; 466 467 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 2.0: %d\n", ret); 470 return ret; 471 } 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 2.1: %d\n", ret); 475 476 return ret; 477 } 478 479 static void asus_schedule_work(struct asus_kbd_leds *led) 480 { 481 unsigned long flags; 482 483 spin_lock_irqsave(&led->lock, flags); 484 if (!led->removed) 485 schedule_work(&led->work); 486 spin_unlock_irqrestore(&led->lock, flags); 487 } 488 489 static void asus_kbd_backlight_set(struct led_classdev *led_cdev, 490 enum led_brightness brightness) 491 { 492 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, 493 cdev); 494 unsigned long flags; 495 496 spin_lock_irqsave(&led->lock, flags); 497 led->brightness = brightness; 498 spin_unlock_irqrestore(&led->lock, flags); 499 500 asus_schedule_work(led); 501 } 502 503 static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev) 504 { 505 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, 506 cdev); 507 enum led_brightness brightness; 508 unsigned long flags; 509 510 spin_lock_irqsave(&led->lock, flags); 511 brightness = led->brightness; 512 spin_unlock_irqrestore(&led->lock, flags); 513 514 return brightness; 515 } 516 517 static void asus_kbd_backlight_work(struct work_struct *work) 518 { 519 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work); 520 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 }; 521 int ret; 522 unsigned long flags; 523 524 spin_lock_irqsave(&led->lock, flags); 525 buf[4] = led->brightness; 526 spin_unlock_irqrestore(&led->lock, flags); 527 528 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf)); 529 if (ret < 0) 530 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret); 531 } 532 533 /* WMI-based keyboard backlight LED control (via asus-wmi driver) takes 534 * precedence. We only activate HID-based backlight control when the 535 * WMI control is not available. 536 */ 537 static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev) 538 { 539 u32 value; 540 int ret; 541 542 if (!IS_ENABLED(CONFIG_ASUS_WMI)) 543 return false; 544 545 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 546 ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value); 547 hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value); 548 if (ret) 549 return false; 550 551 return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT); 552 } 553 554 static int asus_kbd_register_leds(struct hid_device *hdev) 555 { 556 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 557 unsigned char kbd_func; 558 int ret; 559 560 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) { 561 ret = rog_nkey_led_init(hdev); 562 if (ret < 0) 563 return ret; 564 } else { 565 /* Initialize keyboard */ 566 ret = asus_kbd_init(hdev); 567 if (ret < 0) 568 return ret; 569 570 /* Get keyboard functions */ 571 ret = asus_kbd_get_functions(hdev, &kbd_func); 572 if (ret < 0) 573 return ret; 574 575 /* Check for backlight support */ 576 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT)) 577 return -ENODEV; 578 } 579 580 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev, 581 sizeof(struct asus_kbd_leds), 582 GFP_KERNEL); 583 if (!drvdata->kbd_backlight) 584 return -ENOMEM; 585 586 drvdata->kbd_backlight->removed = false; 587 drvdata->kbd_backlight->brightness = 0; 588 drvdata->kbd_backlight->hdev = hdev; 589 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight"; 590 drvdata->kbd_backlight->cdev.max_brightness = 3; 591 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set; 592 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get; 593 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work); 594 spin_lock_init(&drvdata->kbd_backlight->lock); 595 596 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev); 597 if (ret < 0) { 598 /* No need to have this still around */ 599 devm_kfree(&hdev->dev, drvdata->kbd_backlight); 600 } 601 602 return ret; 603 } 604 605 /* 606 * [0] REPORT_ID (same value defined in report descriptor) 607 * [1] rest battery level. range [0..255] 608 * [2]..[7] Bluetooth hardware address (MAC address) 609 * [8] charging status 610 * = 0 : AC offline / discharging 611 * = 1 : AC online / charging 612 * = 2 : AC online / fully charged 613 */ 614 static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size) 615 { 616 u8 sts; 617 u8 lvl; 618 int val; 619 620 lvl = data[1]; 621 sts = data[8]; 622 623 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX; 624 625 switch (sts) { 626 case BATTERY_STAT_CHARGING: 627 val = POWER_SUPPLY_STATUS_CHARGING; 628 break; 629 case BATTERY_STAT_FULL: 630 val = POWER_SUPPLY_STATUS_FULL; 631 break; 632 case BATTERY_STAT_DISCONNECT: 633 default: 634 val = POWER_SUPPLY_STATUS_DISCHARGING; 635 break; 636 } 637 drvdata->battery_stat = val; 638 639 return 0; 640 } 641 642 static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size) 643 { 644 /* notify only the autonomous event by device */ 645 if ((drvdata->battery_in_query == false) && 646 (size == BATTERY_REPORT_SIZE)) 647 power_supply_changed(drvdata->battery); 648 649 return 0; 650 } 651 652 static int asus_battery_query(struct asus_drvdata *drvdata) 653 { 654 u8 *buf; 655 int ret = 0; 656 657 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL); 658 if (!buf) 659 return -ENOMEM; 660 661 drvdata->battery_in_query = true; 662 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID, 663 buf, BATTERY_REPORT_SIZE, 664 HID_INPUT_REPORT, HID_REQ_GET_REPORT); 665 drvdata->battery_in_query = false; 666 if (ret == BATTERY_REPORT_SIZE) 667 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE); 668 else 669 ret = -ENODATA; 670 671 kfree(buf); 672 673 return ret; 674 } 675 676 static enum power_supply_property asus_battery_props[] = { 677 POWER_SUPPLY_PROP_STATUS, 678 POWER_SUPPLY_PROP_PRESENT, 679 POWER_SUPPLY_PROP_CAPACITY, 680 POWER_SUPPLY_PROP_SCOPE, 681 POWER_SUPPLY_PROP_MODEL_NAME, 682 }; 683 684 #define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */ 685 686 static int asus_battery_get_property(struct power_supply *psy, 687 enum power_supply_property psp, 688 union power_supply_propval *val) 689 { 690 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy); 691 int ret = 0; 692 693 switch (psp) { 694 case POWER_SUPPLY_PROP_STATUS: 695 case POWER_SUPPLY_PROP_CAPACITY: 696 if (time_before(drvdata->battery_next_query, jiffies)) { 697 drvdata->battery_next_query = 698 jiffies + QUERY_MIN_INTERVAL; 699 ret = asus_battery_query(drvdata); 700 if (ret) 701 return ret; 702 } 703 if (psp == POWER_SUPPLY_PROP_STATUS) 704 val->intval = drvdata->battery_stat; 705 else 706 val->intval = drvdata->battery_capacity; 707 break; 708 case POWER_SUPPLY_PROP_PRESENT: 709 val->intval = 1; 710 break; 711 case POWER_SUPPLY_PROP_SCOPE: 712 val->intval = POWER_SUPPLY_SCOPE_DEVICE; 713 break; 714 case POWER_SUPPLY_PROP_MODEL_NAME: 715 val->strval = drvdata->hdev->name; 716 break; 717 default: 718 ret = -EINVAL; 719 break; 720 } 721 722 return ret; 723 } 724 725 static int asus_battery_probe(struct hid_device *hdev) 726 { 727 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 728 struct power_supply_config pscfg = { .drv_data = drvdata }; 729 int ret = 0; 730 731 drvdata->battery_capacity = 0; 732 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN; 733 drvdata->battery_in_query = false; 734 735 drvdata->battery_desc.properties = asus_battery_props; 736 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props); 737 drvdata->battery_desc.get_property = asus_battery_get_property; 738 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY; 739 drvdata->battery_desc.use_for_apm = 0; 740 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL, 741 "asus-keyboard-%s-battery", 742 strlen(hdev->uniq) ? 743 hdev->uniq : dev_name(&hdev->dev)); 744 if (!drvdata->battery_desc.name) 745 return -ENOMEM; 746 747 drvdata->battery_next_query = jiffies; 748 749 drvdata->battery = devm_power_supply_register(&hdev->dev, 750 &(drvdata->battery_desc), &pscfg); 751 if (IS_ERR(drvdata->battery)) { 752 ret = PTR_ERR(drvdata->battery); 753 drvdata->battery = NULL; 754 hid_err(hdev, "Unable to register battery device\n"); 755 return ret; 756 } 757 758 power_supply_powers(drvdata->battery, &hdev->dev); 759 760 return ret; 761 } 762 763 static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi) 764 { 765 struct input_dev *input = hi->input; 766 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 767 768 /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */ 769 if (drvdata->quirks & QUIRK_T100CHI && 770 hi->report->id != T100CHI_MOUSE_REPORT_ID) 771 return 0; 772 773 /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */ 774 if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) { 775 switch (hi->report->id) { 776 case E1239T_TP_TOGGLE_REPORT_ID: 777 input_set_capability(input, EV_KEY, KEY_F21); 778 input->name = "Asus Touchpad Keys"; 779 drvdata->tp_kbd_input = input; 780 return 0; 781 case INPUT_REPORT_ID: 782 break; /* Touchpad report, handled below */ 783 default: 784 return 0; /* Ignore other reports */ 785 } 786 } 787 788 if (drvdata->tp) { 789 int ret; 790 791 input_set_abs_params(input, ABS_MT_POSITION_X, 0, 792 drvdata->tp->max_x, 0, 0); 793 input_set_abs_params(input, ABS_MT_POSITION_Y, 0, 794 drvdata->tp->max_y, 0, 0); 795 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x); 796 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y); 797 798 if (drvdata->tp->contact_size >= 5) { 799 input_set_abs_params(input, ABS_TOOL_WIDTH, 0, 800 MAX_TOUCH_MAJOR, 0, 0); 801 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 802 MAX_TOUCH_MAJOR, 0, 0); 803 input_set_abs_params(input, ABS_MT_PRESSURE, 0, 804 MAX_PRESSURE, 0, 0); 805 } 806 807 __set_bit(BTN_LEFT, input->keybit); 808 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); 809 810 ret = input_mt_init_slots(input, drvdata->tp->max_contacts, 811 INPUT_MT_POINTER); 812 813 if (ret) { 814 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret); 815 return ret; 816 } 817 } 818 819 drvdata->input = input; 820 821 if (drvdata->enable_backlight && 822 !asus_kbd_wmi_led_control_present(hdev) && 823 asus_kbd_register_leds(hdev)) 824 hid_warn(hdev, "Failed to initialize backlight.\n"); 825 826 return 0; 827 } 828 829 #define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ 830 max, EV_KEY, (c)) 831 static int asus_input_mapping(struct hid_device *hdev, 832 struct hid_input *hi, struct hid_field *field, 833 struct hid_usage *usage, unsigned long **bit, 834 int *max) 835 { 836 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 837 838 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) { 839 /* Don't map anything from the HID report. 840 * We do it all manually in asus_input_configured 841 */ 842 return -1; 843 } 844 845 /* 846 * Ignore a bunch of bogus collections in the T100CHI descriptor. 847 * This avoids a bunch of non-functional hid_input devices getting 848 * created because of the T100CHI using HID_QUIRK_MULTI_INPUT. 849 */ 850 if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) && 851 (field->application == (HID_UP_GENDESK | 0x0080) || 852 field->application == HID_GD_MOUSE || 853 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) || 854 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) || 855 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026))) 856 return -1; 857 858 /* ASUS-specific keyboard hotkeys and led backlight */ 859 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) { 860 switch (usage->hid & HID_USAGE) { 861 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; 862 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break; 863 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break; 864 case 0x6c: asus_map_key_clear(KEY_SLEEP); break; 865 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break; 866 case 0x82: asus_map_key_clear(KEY_CAMERA); break; 867 case 0x88: asus_map_key_clear(KEY_RFKILL); break; 868 case 0xb5: asus_map_key_clear(KEY_CALC); break; 869 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break; 870 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break; 871 case 0xc7: asus_map_key_clear(KEY_KBDILLUMTOGGLE); break; 872 873 case 0x6b: asus_map_key_clear(KEY_F21); break; /* ASUS touchpad toggle */ 874 case 0x38: asus_map_key_clear(KEY_PROG1); break; /* ROG key */ 875 case 0xba: asus_map_key_clear(KEY_PROG2); break; /* Fn+C ASUS Splendid */ 876 case 0x5c: asus_map_key_clear(KEY_PROG3); break; /* Fn+Space Power4Gear */ 877 case 0x99: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */ 878 case 0xae: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */ 879 case 0x92: asus_map_key_clear(KEY_CALC); break; /* Fn+Ret "Calc" symbol */ 880 case 0xb2: asus_map_key_clear(KEY_PROG2); break; /* Fn+Left previous aura */ 881 case 0xb3: asus_map_key_clear(KEY_PROG3); break; /* Fn+Left next aura */ 882 case 0x6a: asus_map_key_clear(KEY_F13); break; /* Screenpad toggle */ 883 case 0x4b: asus_map_key_clear(KEY_F14); break; /* Arrows/Pg-Up/Dn toggle */ 884 885 886 default: 887 /* ASUS lazily declares 256 usages, ignore the rest, 888 * as some make the keyboard appear as a pointer device. */ 889 return -1; 890 } 891 892 /* 893 * Check and enable backlight only on devices with UsagePage == 894 * 0xff31 to avoid initializing the keyboard firmware multiple 895 * times on devices with multiple HID descriptors but same 896 * PID/VID. 897 */ 898 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) 899 drvdata->enable_backlight = true; 900 901 set_bit(EV_REP, hi->input->evbit); 902 return 1; 903 } 904 905 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) { 906 switch (usage->hid & HID_USAGE) { 907 case 0xff01: asus_map_key_clear(BTN_1); break; 908 case 0xff02: asus_map_key_clear(BTN_2); break; 909 case 0xff03: asus_map_key_clear(BTN_3); break; 910 case 0xff04: asus_map_key_clear(BTN_4); break; 911 case 0xff05: asus_map_key_clear(BTN_5); break; 912 case 0xff06: asus_map_key_clear(BTN_6); break; 913 case 0xff07: asus_map_key_clear(BTN_7); break; 914 case 0xff08: asus_map_key_clear(BTN_8); break; 915 case 0xff09: asus_map_key_clear(BTN_9); break; 916 case 0xff0a: asus_map_key_clear(BTN_A); break; 917 case 0xff0b: asus_map_key_clear(BTN_B); break; 918 case 0x00f1: asus_map_key_clear(KEY_WLAN); break; 919 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; 920 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break; 921 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break; 922 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break; 923 case 0x00f8: asus_map_key_clear(KEY_PROG1); break; 924 default: 925 return 0; 926 } 927 928 set_bit(EV_REP, hi->input->evbit); 929 return 1; 930 } 931 932 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES && 933 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { 934 switch (usage->hid & HID_USAGE) { 935 case 0xe2: /* Mute */ 936 case 0xe9: /* Volume up */ 937 case 0xea: /* Volume down */ 938 return 0; 939 default: 940 /* Ignore dummy Consumer usages which make the 941 * keyboard incorrectly appear as a pointer device. 942 */ 943 return -1; 944 } 945 } 946 947 /* 948 * The mute button is broken and only sends press events, we 949 * deal with this in our raw_event handler, so do not map it. 950 */ 951 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && 952 usage->hid == (HID_UP_CONSUMER | 0xe2)) { 953 input_set_capability(hi->input, EV_KEY, KEY_MUTE); 954 return -1; 955 } 956 957 return 0; 958 } 959 960 static int asus_start_multitouch(struct hid_device *hdev) 961 { 962 int ret; 963 static const unsigned char buf[] = { 964 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 965 }; 966 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL); 967 968 if (!dmabuf) { 969 ret = -ENOMEM; 970 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret); 971 return ret; 972 } 973 974 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf), 975 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 976 977 kfree(dmabuf); 978 979 if (ret != sizeof(buf)) { 980 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret); 981 return ret; 982 } 983 984 return 0; 985 } 986 987 static int __maybe_unused asus_resume(struct hid_device *hdev) { 988 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 989 int ret = 0; 990 991 if (drvdata->kbd_backlight) { 992 const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 993 drvdata->kbd_backlight->cdev.brightness }; 994 ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); 995 if (ret < 0) { 996 hid_err(hdev, "Asus failed to set keyboard backlight: %d\n", ret); 997 goto asus_resume_err; 998 } 999 } 1000 1001 asus_resume_err: 1002 return ret; 1003 } 1004 1005 static int __maybe_unused asus_reset_resume(struct hid_device *hdev) 1006 { 1007 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1008 1009 if (drvdata->tp) 1010 return asus_start_multitouch(hdev); 1011 1012 return 0; 1013 } 1014 1015 static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id) 1016 { 1017 int ret; 1018 struct asus_drvdata *drvdata; 1019 1020 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); 1021 if (drvdata == NULL) { 1022 hid_err(hdev, "Can't alloc Asus descriptor\n"); 1023 return -ENOMEM; 1024 } 1025 1026 hid_set_drvdata(hdev, drvdata); 1027 1028 drvdata->quirks = id->driver_data; 1029 1030 /* 1031 * T90CHI's keyboard dock returns same ID values as T100CHI's dock. 1032 * Thus, identify T90CHI dock with product name string. 1033 */ 1034 if (strstr(hdev->name, "T90CHI")) { 1035 drvdata->quirks &= ~QUIRK_T100CHI; 1036 drvdata->quirks |= QUIRK_T90CHI; 1037 } 1038 1039 if (drvdata->quirks & QUIRK_IS_MULTITOUCH) 1040 drvdata->tp = &asus_i2c_tp; 1041 1042 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) { 1043 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 1044 1045 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) { 1046 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING; 1047 /* 1048 * The T100HA uses the same USB-ids as the T100TAF and 1049 * the T200TA uses the same USB-ids as the T100TA, while 1050 * both have different max x/y values as the T100TA[F]. 1051 */ 1052 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN")) 1053 drvdata->tp = &asus_t100ha_tp; 1054 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA")) 1055 drvdata->tp = &asus_t200ta_tp; 1056 else 1057 drvdata->tp = &asus_t100ta_tp; 1058 } 1059 } 1060 1061 if (drvdata->quirks & QUIRK_T100CHI) { 1062 /* 1063 * All functionality is on a single HID interface and for 1064 * userspace the touchpad must be a separate input_dev. 1065 */ 1066 hdev->quirks |= HID_QUIRK_MULTI_INPUT; 1067 drvdata->tp = &asus_t100chi_tp; 1068 } 1069 1070 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) { 1071 struct usb_host_interface *alt = 1072 to_usb_interface(hdev->dev.parent)->altsetting; 1073 1074 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) { 1075 /* For separate input-devs for tp and tp toggle key */ 1076 hdev->quirks |= HID_QUIRK_MULTI_INPUT; 1077 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING; 1078 drvdata->tp = &medion_e1239t_tp; 1079 } 1080 } 1081 1082 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS) 1083 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; 1084 1085 drvdata->hdev = hdev; 1086 1087 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { 1088 ret = asus_battery_probe(hdev); 1089 if (ret) { 1090 hid_err(hdev, 1091 "Asus hid battery_probe failed: %d\n", ret); 1092 return ret; 1093 } 1094 } 1095 1096 ret = hid_parse(hdev); 1097 if (ret) { 1098 hid_err(hdev, "Asus hid parse failed: %d\n", ret); 1099 return ret; 1100 } 1101 1102 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1103 if (ret) { 1104 hid_err(hdev, "Asus hw start failed: %d\n", ret); 1105 return ret; 1106 } 1107 1108 if (!drvdata->input) { 1109 hid_err(hdev, "Asus input not registered\n"); 1110 ret = -ENOMEM; 1111 goto err_stop_hw; 1112 } 1113 1114 if (drvdata->tp) { 1115 drvdata->input->name = "Asus TouchPad"; 1116 } else { 1117 drvdata->input->name = "Asus Keyboard"; 1118 } 1119 1120 if (drvdata->tp) { 1121 ret = asus_start_multitouch(hdev); 1122 if (ret) 1123 goto err_stop_hw; 1124 } 1125 1126 return 0; 1127 err_stop_hw: 1128 hid_hw_stop(hdev); 1129 return ret; 1130 } 1131 1132 static void asus_remove(struct hid_device *hdev) 1133 { 1134 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1135 unsigned long flags; 1136 1137 if (drvdata->kbd_backlight) { 1138 spin_lock_irqsave(&drvdata->kbd_backlight->lock, flags); 1139 drvdata->kbd_backlight->removed = true; 1140 spin_unlock_irqrestore(&drvdata->kbd_backlight->lock, flags); 1141 1142 cancel_work_sync(&drvdata->kbd_backlight->work); 1143 } 1144 1145 hid_hw_stop(hdev); 1146 } 1147 1148 static const __u8 asus_g752_fixed_rdesc[] = { 1149 0x19, 0x00, /* Usage Minimum (0x00) */ 1150 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */ 1151 }; 1152 1153 static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, 1154 unsigned int *rsize) 1155 { 1156 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1157 1158 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT && 1159 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) { 1160 hid_info(hdev, "Fixing up Asus notebook report descriptor\n"); 1161 rdesc[55] = 0xdd; 1162 } 1163 /* For the T100TA/T200TA keyboard dock */ 1164 if (drvdata->quirks & QUIRK_T100_KEYBOARD && 1165 (*rsize == 76 || *rsize == 101) && 1166 rdesc[73] == 0x81 && rdesc[74] == 0x01) { 1167 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n"); 1168 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT; 1169 } 1170 /* For the T100CHI/T90CHI keyboard dock */ 1171 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { 1172 int rsize_orig; 1173 int offs; 1174 1175 if (drvdata->quirks & QUIRK_T100CHI) { 1176 rsize_orig = 403; 1177 offs = 388; 1178 } else { 1179 rsize_orig = 306; 1180 offs = 291; 1181 } 1182 1183 /* 1184 * Change Usage (76h) to Usage Minimum (00h), Usage Maximum 1185 * (FFh) and clear the flags in the Input() byte. 1186 * Note the descriptor has a bogus 0 byte at the end so we 1187 * only need 1 extra byte. 1188 */ 1189 if (*rsize == rsize_orig && 1190 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) { 1191 *rsize = rsize_orig + 1; 1192 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL); 1193 if (!rdesc) 1194 return NULL; 1195 1196 hid_info(hdev, "Fixing up %s keyb report descriptor\n", 1197 drvdata->quirks & QUIRK_T100CHI ? 1198 "T100CHI" : "T90CHI"); 1199 memmove(rdesc + offs + 4, rdesc + offs + 2, 12); 1200 rdesc[offs] = 0x19; 1201 rdesc[offs + 1] = 0x00; 1202 rdesc[offs + 2] = 0x29; 1203 rdesc[offs + 3] = 0xff; 1204 rdesc[offs + 14] = 0x00; 1205 } 1206 } 1207 1208 if (drvdata->quirks & QUIRK_G752_KEYBOARD && 1209 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) { 1210 /* report is missing usage mninum and maximum */ 1211 __u8 *new_rdesc; 1212 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc); 1213 1214 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL); 1215 if (new_rdesc == NULL) 1216 return rdesc; 1217 1218 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n"); 1219 /* copy the valid part */ 1220 memcpy(new_rdesc, rdesc, 61); 1221 /* insert missing part */ 1222 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc)); 1223 /* copy remaining data */ 1224 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61); 1225 1226 *rsize = new_size; 1227 rdesc = new_rdesc; 1228 } 1229 1230 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && 1231 *rsize == 331 && rdesc[190] == 0x85 && rdesc[191] == 0x5a && 1232 rdesc[204] == 0x95 && rdesc[205] == 0x05) { 1233 hid_info(hdev, "Fixing up Asus N-KEY keyb report descriptor\n"); 1234 rdesc[205] = 0x01; 1235 } 1236 1237 /* match many more n-key devices */ 1238 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && *rsize > 15) { 1239 for (int i = 0; i < *rsize - 15; i++) { 1240 /* offset to the count from 0x5a report part always 14 */ 1241 if (rdesc[i] == 0x85 && rdesc[i + 1] == 0x5a && 1242 rdesc[i + 14] == 0x95 && rdesc[i + 15] == 0x05) { 1243 hid_info(hdev, "Fixing up Asus N-Key report descriptor\n"); 1244 rdesc[i + 15] = 0x01; 1245 break; 1246 } 1247 } 1248 } 1249 1250 return rdesc; 1251 } 1252 1253 static const struct hid_device_id asus_devices[] = { 1254 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, 1255 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS}, 1256 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, 1257 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS }, 1258 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1259 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT }, 1260 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1261 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT }, 1262 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1263 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD }, 1264 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1265 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD), 1266 QUIRK_USE_KBD_BACKLIGHT }, 1267 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1268 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD), 1269 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1270 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1271 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2), 1272 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1273 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1274 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD3), 1275 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1276 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1277 USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD), 1278 QUIRK_ROG_CLAYMORE_II_KEYBOARD }, 1279 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1280 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD), 1281 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, 1282 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1283 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD), 1284 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, 1285 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) }, 1286 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) }, 1287 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) }, 1288 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, 1289 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI }, 1290 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T), 1291 QUIRK_MEDION_E1239T }, 1292 /* 1293 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard 1294 * part, while letting hid-multitouch.c handle the touchpad. 1295 */ 1296 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1297 USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) }, 1298 { } 1299 }; 1300 MODULE_DEVICE_TABLE(hid, asus_devices); 1301 1302 static struct hid_driver asus_driver = { 1303 .name = "asus", 1304 .id_table = asus_devices, 1305 .report_fixup = asus_report_fixup, 1306 .probe = asus_probe, 1307 .remove = asus_remove, 1308 .input_mapping = asus_input_mapping, 1309 .input_configured = asus_input_configured, 1310 #ifdef CONFIG_PM 1311 .reset_resume = asus_reset_resume, 1312 .resume = asus_resume, 1313 #endif 1314 .event = asus_event, 1315 .raw_event = asus_raw_event 1316 }; 1317 module_hid_driver(asus_driver); 1318 1319 MODULE_LICENSE("GPL"); 1320