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 ROG_ALLY_REPORT_SIZE 64 56 #define ROG_ALLY_X_MIN_MCU 313 57 #define ROG_ALLY_MIN_MCU 319 58 59 #define SUPPORT_KBD_BACKLIGHT BIT(0) 60 61 #define MAX_TOUCH_MAJOR 8 62 #define MAX_PRESSURE 128 63 64 #define BTN_LEFT_MASK 0x01 65 #define CONTACT_TOOL_TYPE_MASK 0x80 66 #define CONTACT_X_MSB_MASK 0xf0 67 #define CONTACT_Y_MSB_MASK 0x0f 68 #define CONTACT_TOUCH_MAJOR_MASK 0x07 69 #define CONTACT_PRESSURE_MASK 0x7f 70 71 #define BATTERY_REPORT_ID (0x03) 72 #define BATTERY_REPORT_SIZE (1 + 8) 73 #define BATTERY_LEVEL_MAX ((u8)255) 74 #define BATTERY_STAT_DISCONNECT (0) 75 #define BATTERY_STAT_CHARGING (1) 76 #define BATTERY_STAT_FULL (2) 77 78 #define QUIRK_FIX_NOTEBOOK_REPORT BIT(0) 79 #define QUIRK_NO_INIT_REPORTS BIT(1) 80 #define QUIRK_SKIP_INPUT_MAPPING BIT(2) 81 #define QUIRK_IS_MULTITOUCH BIT(3) 82 #define QUIRK_NO_CONSUMER_USAGES BIT(4) 83 #define QUIRK_USE_KBD_BACKLIGHT BIT(5) 84 #define QUIRK_T100_KEYBOARD BIT(6) 85 #define QUIRK_T100CHI BIT(7) 86 #define QUIRK_G752_KEYBOARD BIT(8) 87 #define QUIRK_T90CHI BIT(9) 88 #define QUIRK_MEDION_E1239T BIT(10) 89 #define QUIRK_ROG_NKEY_KEYBOARD BIT(11) 90 #define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12) 91 #define QUIRK_ROG_ALLY_XPAD BIT(13) 92 93 #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \ 94 QUIRK_NO_INIT_REPORTS | \ 95 QUIRK_NO_CONSUMER_USAGES) 96 #define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \ 97 QUIRK_SKIP_INPUT_MAPPING | \ 98 QUIRK_IS_MULTITOUCH) 99 100 #define TRKID_SGN ((TRKID_MAX + 1) >> 1) 101 102 struct asus_kbd_leds { 103 struct led_classdev cdev; 104 struct hid_device *hdev; 105 struct work_struct work; 106 unsigned int brightness; 107 spinlock_t lock; 108 bool removed; 109 }; 110 111 struct asus_touchpad_info { 112 int max_x; 113 int max_y; 114 int res_x; 115 int res_y; 116 int contact_size; 117 int max_contacts; 118 int report_size; 119 }; 120 121 struct asus_drvdata { 122 unsigned long quirks; 123 struct hid_device *hdev; 124 struct input_dev *input; 125 struct input_dev *tp_kbd_input; 126 struct asus_kbd_leds *kbd_backlight; 127 const struct asus_touchpad_info *tp; 128 bool enable_backlight; 129 struct power_supply *battery; 130 struct power_supply_desc battery_desc; 131 int battery_capacity; 132 int battery_stat; 133 bool battery_in_query; 134 unsigned long battery_next_query; 135 }; 136 137 static int asus_report_battery(struct asus_drvdata *, u8 *, int); 138 139 static const struct asus_touchpad_info asus_i2c_tp = { 140 .max_x = 2794, 141 .max_y = 1758, 142 .contact_size = 5, 143 .max_contacts = 5, 144 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, 145 }; 146 147 static const struct asus_touchpad_info asus_t100ta_tp = { 148 .max_x = 2240, 149 .max_y = 1120, 150 .res_x = 30, /* units/mm */ 151 .res_y = 27, /* units/mm */ 152 .contact_size = 5, 153 .max_contacts = 5, 154 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, 155 }; 156 157 static const struct asus_touchpad_info asus_t100ha_tp = { 158 .max_x = 2640, 159 .max_y = 1320, 160 .res_x = 30, /* units/mm */ 161 .res_y = 29, /* units/mm */ 162 .contact_size = 5, 163 .max_contacts = 5, 164 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, 165 }; 166 167 static const struct asus_touchpad_info asus_t200ta_tp = { 168 .max_x = 3120, 169 .max_y = 1716, 170 .res_x = 30, /* units/mm */ 171 .res_y = 28, /* units/mm */ 172 .contact_size = 5, 173 .max_contacts = 5, 174 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */, 175 }; 176 177 static const struct asus_touchpad_info asus_t100chi_tp = { 178 .max_x = 2640, 179 .max_y = 1320, 180 .res_x = 31, /* units/mm */ 181 .res_y = 29, /* units/mm */ 182 .contact_size = 3, 183 .max_contacts = 4, 184 .report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */, 185 }; 186 187 static const struct asus_touchpad_info medion_e1239t_tp = { 188 .max_x = 2640, 189 .max_y = 1380, 190 .res_x = 29, /* units/mm */ 191 .res_y = 28, /* units/mm */ 192 .contact_size = 5, 193 .max_contacts = 5, 194 .report_size = 32 /* 2 byte header + 5 * 5 + 5 byte footer */, 195 }; 196 197 static void asus_report_contact_down(struct asus_drvdata *drvdat, 198 int toolType, u8 *data) 199 { 200 struct input_dev *input = drvdat->input; 201 int touch_major, pressure, x, y; 202 203 x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1]; 204 y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]); 205 206 input_report_abs(input, ABS_MT_POSITION_X, x); 207 input_report_abs(input, ABS_MT_POSITION_Y, y); 208 209 if (drvdat->tp->contact_size < 5) 210 return; 211 212 if (toolType == MT_TOOL_PALM) { 213 touch_major = MAX_TOUCH_MAJOR; 214 pressure = MAX_PRESSURE; 215 } else { 216 touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK; 217 pressure = data[4] & CONTACT_PRESSURE_MASK; 218 } 219 220 input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major); 221 input_report_abs(input, ABS_MT_PRESSURE, pressure); 222 } 223 224 /* Required for Synaptics Palm Detection */ 225 static void asus_report_tool_width(struct asus_drvdata *drvdat) 226 { 227 struct input_mt *mt = drvdat->input->mt; 228 struct input_mt_slot *oldest; 229 int oldid, i; 230 231 if (drvdat->tp->contact_size < 5) 232 return; 233 234 oldest = NULL; 235 oldid = mt->trkid; 236 237 for (i = 0; i < mt->num_slots; ++i) { 238 struct input_mt_slot *ps = &mt->slots[i]; 239 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID); 240 241 if (id < 0) 242 continue; 243 if ((id - oldid) & TRKID_SGN) { 244 oldest = ps; 245 oldid = id; 246 } 247 } 248 249 if (oldest) { 250 input_report_abs(drvdat->input, ABS_TOOL_WIDTH, 251 input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR)); 252 } 253 } 254 255 static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size) 256 { 257 int i, toolType = MT_TOOL_FINGER; 258 u8 *contactData = data + 2; 259 260 if (size != drvdat->tp->report_size) 261 return 0; 262 263 for (i = 0; i < drvdat->tp->max_contacts; i++) { 264 bool down = !!(data[1] & BIT(i+3)); 265 266 if (drvdat->tp->contact_size >= 5) 267 toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ? 268 MT_TOOL_PALM : MT_TOOL_FINGER; 269 270 input_mt_slot(drvdat->input, i); 271 input_mt_report_slot_state(drvdat->input, toolType, down); 272 273 if (down) { 274 asus_report_contact_down(drvdat, toolType, contactData); 275 contactData += drvdat->tp->contact_size; 276 } 277 } 278 279 input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK); 280 asus_report_tool_width(drvdat); 281 282 input_mt_sync_frame(drvdat->input); 283 input_sync(drvdat->input); 284 285 return 1; 286 } 287 288 static int asus_e1239t_event(struct asus_drvdata *drvdat, u8 *data, int size) 289 { 290 if (size != 3) 291 return 0; 292 293 /* Handle broken mute key which only sends press events */ 294 if (!drvdat->tp && 295 data[0] == 0x02 && data[1] == 0xe2 && data[2] == 0x00) { 296 input_report_key(drvdat->input, KEY_MUTE, 1); 297 input_sync(drvdat->input); 298 input_report_key(drvdat->input, KEY_MUTE, 0); 299 input_sync(drvdat->input); 300 return 1; 301 } 302 303 /* Handle custom touchpad toggle key which only sends press events */ 304 if (drvdat->tp_kbd_input && 305 data[0] == 0x05 && data[1] == 0x02 && data[2] == 0x28) { 306 input_report_key(drvdat->tp_kbd_input, KEY_F21, 1); 307 input_sync(drvdat->tp_kbd_input); 308 input_report_key(drvdat->tp_kbd_input, KEY_F21, 0); 309 input_sync(drvdat->tp_kbd_input); 310 return 1; 311 } 312 313 return 0; 314 } 315 316 static int asus_event(struct hid_device *hdev, struct hid_field *field, 317 struct hid_usage *usage, __s32 value) 318 { 319 if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 && 320 (usage->hid & HID_USAGE) != 0x00 && 321 (usage->hid & HID_USAGE) != 0xff && !usage->type) { 322 hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n", 323 usage->hid & HID_USAGE); 324 } 325 326 return 0; 327 } 328 329 static int asus_raw_event(struct hid_device *hdev, 330 struct hid_report *report, u8 *data, int size) 331 { 332 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 333 334 if (drvdata->battery && data[0] == BATTERY_REPORT_ID) 335 return asus_report_battery(drvdata, data, size); 336 337 if (drvdata->tp && data[0] == INPUT_REPORT_ID) 338 return asus_report_input(drvdata, data, size); 339 340 if (drvdata->quirks & QUIRK_MEDION_E1239T) 341 return asus_e1239t_event(drvdata, data, size); 342 343 /* 344 * Skip these report ID, the device emits a continuous stream associated 345 * with the AURA mode it is in which looks like an 'echo'. 346 */ 347 if (report->id == FEATURE_KBD_LED_REPORT_ID1 || report->id == FEATURE_KBD_LED_REPORT_ID2) 348 return -1; 349 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) { 350 /* 351 * G713 and G733 send these codes on some keypresses, depending on 352 * the key pressed it can trigger a shutdown event if not caught. 353 */ 354 if (data[0] == 0x02 && data[1] == 0x30) { 355 return -1; 356 } 357 } 358 359 if (drvdata->quirks & QUIRK_ROG_CLAYMORE_II_KEYBOARD) { 360 /* 361 * CLAYMORE II keyboard sends this packet when it goes to sleep 362 * this causes the whole system to go into suspend. 363 */ 364 365 if(size == 2 && data[0] == 0x02 && data[1] == 0x00) { 366 return -1; 367 } 368 } 369 370 return 0; 371 } 372 373 static int asus_kbd_set_report(struct hid_device *hdev, const u8 *buf, size_t buf_size) 374 { 375 unsigned char *dmabuf; 376 int ret; 377 378 dmabuf = kmemdup(buf, buf_size, GFP_KERNEL); 379 if (!dmabuf) 380 return -ENOMEM; 381 382 /* 383 * The report ID should be set from the incoming buffer due to LED and key 384 * interfaces having different pages 385 */ 386 ret = hid_hw_raw_request(hdev, buf[0], dmabuf, 387 buf_size, HID_FEATURE_REPORT, 388 HID_REQ_SET_REPORT); 389 kfree(dmabuf); 390 391 return ret; 392 } 393 394 static int asus_kbd_init(struct hid_device *hdev, u8 report_id) 395 { 396 const u8 buf[] = { report_id, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54, 397 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 }; 398 int ret; 399 400 ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); 401 if (ret < 0) 402 hid_err(hdev, "Asus failed to send init command: %d\n", ret); 403 404 return ret; 405 } 406 407 static int asus_kbd_get_functions(struct hid_device *hdev, 408 unsigned char *kbd_func, 409 u8 report_id) 410 { 411 const u8 buf[] = { report_id, 0x05, 0x20, 0x31, 0x00, 0x08 }; 412 u8 *readbuf; 413 int ret; 414 415 ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); 416 if (ret < 0) { 417 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret); 418 return ret; 419 } 420 421 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL); 422 if (!readbuf) 423 return -ENOMEM; 424 425 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf, 426 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT, 427 HID_REQ_GET_REPORT); 428 if (ret < 0) { 429 hid_err(hdev, "Asus failed to request functions: %d\n", ret); 430 kfree(readbuf); 431 return ret; 432 } 433 434 *kbd_func = readbuf[6]; 435 436 kfree(readbuf); 437 return ret; 438 } 439 440 static int asus_kbd_disable_oobe(struct hid_device *hdev) 441 { 442 const u8 init[][6] = { 443 { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 }, 444 { FEATURE_KBD_REPORT_ID, 0xBA, 0xC5, 0xC4 }, 445 { FEATURE_KBD_REPORT_ID, 0xD0, 0x8F, 0x01 }, 446 { FEATURE_KBD_REPORT_ID, 0xD0, 0x85, 0xFF } 447 }; 448 int ret; 449 450 for (size_t i = 0; i < ARRAY_SIZE(init); i++) { 451 ret = asus_kbd_set_report(hdev, init[i], sizeof(init[i])); 452 if (ret < 0) 453 return ret; 454 } 455 456 hid_info(hdev, "Disabled OOBE for keyboard\n"); 457 return 0; 458 } 459 460 static void asus_schedule_work(struct asus_kbd_leds *led) 461 { 462 unsigned long flags; 463 464 spin_lock_irqsave(&led->lock, flags); 465 if (!led->removed) 466 schedule_work(&led->work); 467 spin_unlock_irqrestore(&led->lock, flags); 468 } 469 470 static void asus_kbd_backlight_set(struct led_classdev *led_cdev, 471 enum led_brightness brightness) 472 { 473 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, 474 cdev); 475 unsigned long flags; 476 477 spin_lock_irqsave(&led->lock, flags); 478 led->brightness = brightness; 479 spin_unlock_irqrestore(&led->lock, flags); 480 481 asus_schedule_work(led); 482 } 483 484 static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev) 485 { 486 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, 487 cdev); 488 enum led_brightness brightness; 489 unsigned long flags; 490 491 spin_lock_irqsave(&led->lock, flags); 492 brightness = led->brightness; 493 spin_unlock_irqrestore(&led->lock, flags); 494 495 return brightness; 496 } 497 498 static void asus_kbd_backlight_work(struct work_struct *work) 499 { 500 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work); 501 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 }; 502 int ret; 503 unsigned long flags; 504 505 spin_lock_irqsave(&led->lock, flags); 506 buf[4] = led->brightness; 507 spin_unlock_irqrestore(&led->lock, flags); 508 509 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf)); 510 if (ret < 0) 511 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret); 512 } 513 514 /* WMI-based keyboard backlight LED control (via asus-wmi driver) takes 515 * precedence. We only activate HID-based backlight control when the 516 * WMI control is not available. 517 */ 518 static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev) 519 { 520 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 521 u32 value; 522 int ret; 523 524 if (!IS_ENABLED(CONFIG_ASUS_WMI)) 525 return false; 526 527 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && 528 dmi_check_system(asus_use_hid_led_dmi_ids)) { 529 hid_info(hdev, "using HID for asus::kbd_backlight\n"); 530 return false; 531 } 532 533 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 534 ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value); 535 hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value); 536 if (ret) 537 return false; 538 539 return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT); 540 } 541 542 /* 543 * We don't care about any other part of the string except the version section. 544 * Example strings: FGA80100.RC72LA.312_T01, FGA80100.RC71LS.318_T01 545 * The bytes "5a 05 03 31 00 1a 13" and possibly more come before the version 546 * string, and there may be additional bytes after the version string such as 547 * "75 00 74 00 65 00" or a postfix such as "_T01" 548 */ 549 static int mcu_parse_version_string(const u8 *response, size_t response_size) 550 { 551 const u8 *end = response + response_size; 552 const u8 *p = response; 553 int dots, err, version; 554 char buf[4]; 555 556 dots = 0; 557 while (p < end && dots < 2) { 558 if (*p++ == '.') 559 dots++; 560 } 561 562 if (dots != 2 || p >= end || (p + 3) >= end) 563 return -EINVAL; 564 565 memcpy(buf, p, 3); 566 buf[3] = '\0'; 567 568 err = kstrtoint(buf, 10, &version); 569 if (err || version < 0) 570 return -EINVAL; 571 572 return version; 573 } 574 575 static int mcu_request_version(struct hid_device *hdev) 576 { 577 u8 *response __free(kfree) = kzalloc(ROG_ALLY_REPORT_SIZE, GFP_KERNEL); 578 const u8 request[] = { 0x5a, 0x05, 0x03, 0x31, 0x00, 0x20 }; 579 int ret; 580 581 if (!response) 582 return -ENOMEM; 583 584 ret = asus_kbd_set_report(hdev, request, sizeof(request)); 585 if (ret < 0) 586 return ret; 587 588 ret = hid_hw_raw_request(hdev, FEATURE_REPORT_ID, response, 589 ROG_ALLY_REPORT_SIZE, HID_FEATURE_REPORT, 590 HID_REQ_GET_REPORT); 591 if (ret < 0) 592 return ret; 593 594 ret = mcu_parse_version_string(response, ROG_ALLY_REPORT_SIZE); 595 if (ret < 0) { 596 pr_err("Failed to parse MCU version: %d\n", ret); 597 print_hex_dump(KERN_ERR, "MCU: ", DUMP_PREFIX_NONE, 598 16, 1, response, ROG_ALLY_REPORT_SIZE, false); 599 } 600 601 return ret; 602 } 603 604 static void validate_mcu_fw_version(struct hid_device *hdev, int idProduct) 605 { 606 int min_version, version; 607 608 version = mcu_request_version(hdev); 609 if (version < 0) 610 return; 611 612 switch (idProduct) { 613 case USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY: 614 min_version = ROG_ALLY_MIN_MCU; 615 break; 616 case USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY_X: 617 min_version = ROG_ALLY_X_MIN_MCU; 618 break; 619 default: 620 min_version = 0; 621 } 622 623 if (version < min_version) { 624 hid_warn(hdev, 625 "The MCU firmware version must be %d or greater to avoid issues with suspend.\n", 626 min_version); 627 } else { 628 set_ally_mcu_hack(ASUS_WMI_ALLY_MCU_HACK_DISABLED); 629 set_ally_mcu_powersave(true); 630 } 631 } 632 633 static int asus_kbd_register_leds(struct hid_device *hdev) 634 { 635 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 636 struct usb_interface *intf; 637 struct usb_device *udev; 638 unsigned char kbd_func; 639 int ret; 640 641 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) { 642 /* Initialize keyboard */ 643 ret = asus_kbd_init(hdev, FEATURE_KBD_REPORT_ID); 644 if (ret < 0) 645 return ret; 646 647 /* The LED endpoint is initialised in two HID */ 648 ret = asus_kbd_init(hdev, FEATURE_KBD_LED_REPORT_ID1); 649 if (ret < 0) 650 return ret; 651 652 ret = asus_kbd_init(hdev, FEATURE_KBD_LED_REPORT_ID2); 653 if (ret < 0) 654 return ret; 655 656 if (dmi_match(DMI_PRODUCT_FAMILY, "ProArt P16")) { 657 ret = asus_kbd_disable_oobe(hdev); 658 if (ret < 0) 659 return ret; 660 } 661 662 if (drvdata->quirks & QUIRK_ROG_ALLY_XPAD) { 663 intf = to_usb_interface(hdev->dev.parent); 664 udev = interface_to_usbdev(intf); 665 validate_mcu_fw_version(hdev, 666 le16_to_cpu(udev->descriptor.idProduct)); 667 } 668 669 } else { 670 /* Initialize keyboard */ 671 ret = asus_kbd_init(hdev, FEATURE_KBD_REPORT_ID); 672 if (ret < 0) 673 return ret; 674 675 /* Get keyboard functions */ 676 ret = asus_kbd_get_functions(hdev, &kbd_func, FEATURE_KBD_REPORT_ID); 677 if (ret < 0) 678 return ret; 679 680 /* Check for backlight support */ 681 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT)) 682 return -ENODEV; 683 } 684 685 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev, 686 sizeof(struct asus_kbd_leds), 687 GFP_KERNEL); 688 if (!drvdata->kbd_backlight) 689 return -ENOMEM; 690 691 drvdata->kbd_backlight->removed = false; 692 drvdata->kbd_backlight->brightness = 0; 693 drvdata->kbd_backlight->hdev = hdev; 694 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight"; 695 drvdata->kbd_backlight->cdev.max_brightness = 3; 696 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set; 697 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get; 698 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work); 699 spin_lock_init(&drvdata->kbd_backlight->lock); 700 701 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev); 702 if (ret < 0) { 703 /* No need to have this still around */ 704 devm_kfree(&hdev->dev, drvdata->kbd_backlight); 705 } 706 707 return ret; 708 } 709 710 /* 711 * [0] REPORT_ID (same value defined in report descriptor) 712 * [1] rest battery level. range [0..255] 713 * [2]..[7] Bluetooth hardware address (MAC address) 714 * [8] charging status 715 * = 0 : AC offline / discharging 716 * = 1 : AC online / charging 717 * = 2 : AC online / fully charged 718 */ 719 static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size) 720 { 721 u8 sts; 722 u8 lvl; 723 int val; 724 725 lvl = data[1]; 726 sts = data[8]; 727 728 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX; 729 730 switch (sts) { 731 case BATTERY_STAT_CHARGING: 732 val = POWER_SUPPLY_STATUS_CHARGING; 733 break; 734 case BATTERY_STAT_FULL: 735 val = POWER_SUPPLY_STATUS_FULL; 736 break; 737 case BATTERY_STAT_DISCONNECT: 738 default: 739 val = POWER_SUPPLY_STATUS_DISCHARGING; 740 break; 741 } 742 drvdata->battery_stat = val; 743 744 return 0; 745 } 746 747 static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size) 748 { 749 /* notify only the autonomous event by device */ 750 if ((drvdata->battery_in_query == false) && 751 (size == BATTERY_REPORT_SIZE)) 752 power_supply_changed(drvdata->battery); 753 754 return 0; 755 } 756 757 static int asus_battery_query(struct asus_drvdata *drvdata) 758 { 759 u8 *buf; 760 int ret = 0; 761 762 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL); 763 if (!buf) 764 return -ENOMEM; 765 766 drvdata->battery_in_query = true; 767 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID, 768 buf, BATTERY_REPORT_SIZE, 769 HID_INPUT_REPORT, HID_REQ_GET_REPORT); 770 drvdata->battery_in_query = false; 771 if (ret == BATTERY_REPORT_SIZE) 772 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE); 773 else 774 ret = -ENODATA; 775 776 kfree(buf); 777 778 return ret; 779 } 780 781 static enum power_supply_property asus_battery_props[] = { 782 POWER_SUPPLY_PROP_STATUS, 783 POWER_SUPPLY_PROP_PRESENT, 784 POWER_SUPPLY_PROP_CAPACITY, 785 POWER_SUPPLY_PROP_SCOPE, 786 POWER_SUPPLY_PROP_MODEL_NAME, 787 }; 788 789 #define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */ 790 791 static int asus_battery_get_property(struct power_supply *psy, 792 enum power_supply_property psp, 793 union power_supply_propval *val) 794 { 795 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy); 796 int ret = 0; 797 798 switch (psp) { 799 case POWER_SUPPLY_PROP_STATUS: 800 case POWER_SUPPLY_PROP_CAPACITY: 801 if (time_before(drvdata->battery_next_query, jiffies)) { 802 drvdata->battery_next_query = 803 jiffies + QUERY_MIN_INTERVAL; 804 ret = asus_battery_query(drvdata); 805 if (ret) 806 return ret; 807 } 808 if (psp == POWER_SUPPLY_PROP_STATUS) 809 val->intval = drvdata->battery_stat; 810 else 811 val->intval = drvdata->battery_capacity; 812 break; 813 case POWER_SUPPLY_PROP_PRESENT: 814 val->intval = 1; 815 break; 816 case POWER_SUPPLY_PROP_SCOPE: 817 val->intval = POWER_SUPPLY_SCOPE_DEVICE; 818 break; 819 case POWER_SUPPLY_PROP_MODEL_NAME: 820 val->strval = drvdata->hdev->name; 821 break; 822 default: 823 ret = -EINVAL; 824 break; 825 } 826 827 return ret; 828 } 829 830 static int asus_battery_probe(struct hid_device *hdev) 831 { 832 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 833 struct power_supply_config pscfg = { .drv_data = drvdata }; 834 int ret = 0; 835 836 drvdata->battery_capacity = 0; 837 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN; 838 drvdata->battery_in_query = false; 839 840 drvdata->battery_desc.properties = asus_battery_props; 841 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props); 842 drvdata->battery_desc.get_property = asus_battery_get_property; 843 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY; 844 drvdata->battery_desc.use_for_apm = 0; 845 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL, 846 "asus-keyboard-%s-battery", 847 strlen(hdev->uniq) ? 848 hdev->uniq : dev_name(&hdev->dev)); 849 if (!drvdata->battery_desc.name) 850 return -ENOMEM; 851 852 drvdata->battery_next_query = jiffies; 853 854 drvdata->battery = devm_power_supply_register(&hdev->dev, 855 &(drvdata->battery_desc), &pscfg); 856 if (IS_ERR(drvdata->battery)) { 857 ret = PTR_ERR(drvdata->battery); 858 drvdata->battery = NULL; 859 hid_err(hdev, "Unable to register battery device\n"); 860 return ret; 861 } 862 863 power_supply_powers(drvdata->battery, &hdev->dev); 864 865 return ret; 866 } 867 868 static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi) 869 { 870 struct input_dev *input = hi->input; 871 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 872 873 /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */ 874 if (drvdata->quirks & QUIRK_T100CHI && 875 hi->report->id != T100CHI_MOUSE_REPORT_ID) 876 return 0; 877 878 /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */ 879 if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) { 880 switch (hi->report->id) { 881 case E1239T_TP_TOGGLE_REPORT_ID: 882 input_set_capability(input, EV_KEY, KEY_F21); 883 input->name = "Asus Touchpad Keys"; 884 drvdata->tp_kbd_input = input; 885 return 0; 886 case INPUT_REPORT_ID: 887 break; /* Touchpad report, handled below */ 888 default: 889 return 0; /* Ignore other reports */ 890 } 891 } 892 893 if (drvdata->tp) { 894 int ret; 895 896 input_set_abs_params(input, ABS_MT_POSITION_X, 0, 897 drvdata->tp->max_x, 0, 0); 898 input_set_abs_params(input, ABS_MT_POSITION_Y, 0, 899 drvdata->tp->max_y, 0, 0); 900 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x); 901 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y); 902 903 if (drvdata->tp->contact_size >= 5) { 904 input_set_abs_params(input, ABS_TOOL_WIDTH, 0, 905 MAX_TOUCH_MAJOR, 0, 0); 906 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 907 MAX_TOUCH_MAJOR, 0, 0); 908 input_set_abs_params(input, ABS_MT_PRESSURE, 0, 909 MAX_PRESSURE, 0, 0); 910 } 911 912 __set_bit(BTN_LEFT, input->keybit); 913 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); 914 915 ret = input_mt_init_slots(input, drvdata->tp->max_contacts, 916 INPUT_MT_POINTER); 917 918 if (ret) { 919 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret); 920 return ret; 921 } 922 } 923 924 drvdata->input = input; 925 926 if (drvdata->enable_backlight && 927 !asus_kbd_wmi_led_control_present(hdev) && 928 asus_kbd_register_leds(hdev)) 929 hid_warn(hdev, "Failed to initialize backlight.\n"); 930 931 return 0; 932 } 933 934 #define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ 935 max, EV_KEY, (c)) 936 static int asus_input_mapping(struct hid_device *hdev, 937 struct hid_input *hi, struct hid_field *field, 938 struct hid_usage *usage, unsigned long **bit, 939 int *max) 940 { 941 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 942 943 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) { 944 /* Don't map anything from the HID report. 945 * We do it all manually in asus_input_configured 946 */ 947 return -1; 948 } 949 950 /* 951 * Ignore a bunch of bogus collections in the T100CHI descriptor. 952 * This avoids a bunch of non-functional hid_input devices getting 953 * created because of the T100CHI using HID_QUIRK_MULTI_INPUT. 954 */ 955 if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) && 956 (field->application == (HID_UP_GENDESK | 0x0080) || 957 field->application == HID_GD_MOUSE || 958 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) || 959 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) || 960 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026))) 961 return -1; 962 963 /* ASUS-specific keyboard hotkeys and led backlight */ 964 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) { 965 switch (usage->hid & HID_USAGE) { 966 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; 967 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break; 968 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break; 969 case 0x6c: asus_map_key_clear(KEY_SLEEP); break; 970 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break; 971 case 0x82: asus_map_key_clear(KEY_CAMERA); break; 972 case 0x88: asus_map_key_clear(KEY_RFKILL); break; 973 case 0xb5: asus_map_key_clear(KEY_CALC); break; 974 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break; 975 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break; 976 case 0xc7: asus_map_key_clear(KEY_KBDILLUMTOGGLE); break; 977 978 case 0x6b: asus_map_key_clear(KEY_F21); break; /* ASUS touchpad toggle */ 979 case 0x38: asus_map_key_clear(KEY_PROG1); break; /* ROG key */ 980 case 0xba: asus_map_key_clear(KEY_PROG2); break; /* Fn+C ASUS Splendid */ 981 case 0x5c: asus_map_key_clear(KEY_PROG3); break; /* Fn+Space Power4Gear */ 982 case 0x99: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */ 983 case 0xae: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */ 984 case 0x92: asus_map_key_clear(KEY_CALC); break; /* Fn+Ret "Calc" symbol */ 985 case 0xb2: asus_map_key_clear(KEY_PROG2); break; /* Fn+Left previous aura */ 986 case 0xb3: asus_map_key_clear(KEY_PROG3); break; /* Fn+Left next aura */ 987 case 0x6a: asus_map_key_clear(KEY_F13); break; /* Screenpad toggle */ 988 case 0x4b: asus_map_key_clear(KEY_F14); break; /* Arrows/Pg-Up/Dn toggle */ 989 case 0xa5: asus_map_key_clear(KEY_F15); break; /* ROG Ally left back */ 990 case 0xa6: asus_map_key_clear(KEY_F16); break; /* ROG Ally QAM button */ 991 case 0xa7: asus_map_key_clear(KEY_F17); break; /* ROG Ally ROG long-press */ 992 case 0xa8: asus_map_key_clear(KEY_F18); break; /* ROG Ally ROG long-press-release */ 993 994 default: 995 /* ASUS lazily declares 256 usages, ignore the rest, 996 * as some make the keyboard appear as a pointer device. */ 997 return -1; 998 } 999 1000 /* 1001 * Check and enable backlight only on devices with UsagePage == 1002 * 0xff31 to avoid initializing the keyboard firmware multiple 1003 * times on devices with multiple HID descriptors but same 1004 * PID/VID. 1005 */ 1006 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) 1007 drvdata->enable_backlight = true; 1008 1009 set_bit(EV_REP, hi->input->evbit); 1010 return 1; 1011 } 1012 1013 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) { 1014 switch (usage->hid & HID_USAGE) { 1015 case 0xff01: asus_map_key_clear(BTN_1); break; 1016 case 0xff02: asus_map_key_clear(BTN_2); break; 1017 case 0xff03: asus_map_key_clear(BTN_3); break; 1018 case 0xff04: asus_map_key_clear(BTN_4); break; 1019 case 0xff05: asus_map_key_clear(BTN_5); break; 1020 case 0xff06: asus_map_key_clear(BTN_6); break; 1021 case 0xff07: asus_map_key_clear(BTN_7); break; 1022 case 0xff08: asus_map_key_clear(BTN_8); break; 1023 case 0xff09: asus_map_key_clear(BTN_9); break; 1024 case 0xff0a: asus_map_key_clear(BTN_A); break; 1025 case 0xff0b: asus_map_key_clear(BTN_B); break; 1026 case 0x00f1: asus_map_key_clear(KEY_WLAN); break; 1027 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; 1028 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break; 1029 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break; 1030 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break; 1031 case 0x00f8: asus_map_key_clear(KEY_PROG1); break; 1032 default: 1033 return 0; 1034 } 1035 1036 set_bit(EV_REP, hi->input->evbit); 1037 return 1; 1038 } 1039 1040 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES && 1041 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { 1042 switch (usage->hid & HID_USAGE) { 1043 case 0xe2: /* Mute */ 1044 case 0xe9: /* Volume up */ 1045 case 0xea: /* Volume down */ 1046 return 0; 1047 default: 1048 /* Ignore dummy Consumer usages which make the 1049 * keyboard incorrectly appear as a pointer device. 1050 */ 1051 return -1; 1052 } 1053 } 1054 1055 /* 1056 * The mute button is broken and only sends press events, we 1057 * deal with this in our raw_event handler, so do not map it. 1058 */ 1059 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && 1060 usage->hid == (HID_UP_CONSUMER | 0xe2)) { 1061 input_set_capability(hi->input, EV_KEY, KEY_MUTE); 1062 return -1; 1063 } 1064 1065 return 0; 1066 } 1067 1068 static int asus_start_multitouch(struct hid_device *hdev) 1069 { 1070 int ret; 1071 static const unsigned char buf[] = { 1072 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 1073 }; 1074 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL); 1075 1076 if (!dmabuf) { 1077 ret = -ENOMEM; 1078 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret); 1079 return ret; 1080 } 1081 1082 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf), 1083 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 1084 1085 kfree(dmabuf); 1086 1087 if (ret != sizeof(buf)) { 1088 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret); 1089 return ret; 1090 } 1091 1092 return 0; 1093 } 1094 1095 static int __maybe_unused asus_resume(struct hid_device *hdev) { 1096 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1097 int ret = 0; 1098 1099 if (drvdata->kbd_backlight) { 1100 const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 1101 drvdata->kbd_backlight->cdev.brightness }; 1102 ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); 1103 if (ret < 0) { 1104 hid_err(hdev, "Asus failed to set keyboard backlight: %d\n", ret); 1105 goto asus_resume_err; 1106 } 1107 } 1108 1109 asus_resume_err: 1110 return ret; 1111 } 1112 1113 static int __maybe_unused asus_reset_resume(struct hid_device *hdev) 1114 { 1115 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1116 1117 if (drvdata->tp) 1118 return asus_start_multitouch(hdev); 1119 1120 return 0; 1121 } 1122 1123 static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id) 1124 { 1125 int ret; 1126 struct asus_drvdata *drvdata; 1127 1128 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); 1129 if (drvdata == NULL) { 1130 hid_err(hdev, "Can't alloc Asus descriptor\n"); 1131 return -ENOMEM; 1132 } 1133 1134 hid_set_drvdata(hdev, drvdata); 1135 1136 drvdata->quirks = id->driver_data; 1137 1138 /* 1139 * T90CHI's keyboard dock returns same ID values as T100CHI's dock. 1140 * Thus, identify T90CHI dock with product name string. 1141 */ 1142 if (strstr(hdev->name, "T90CHI")) { 1143 drvdata->quirks &= ~QUIRK_T100CHI; 1144 drvdata->quirks |= QUIRK_T90CHI; 1145 } 1146 1147 if (drvdata->quirks & QUIRK_IS_MULTITOUCH) 1148 drvdata->tp = &asus_i2c_tp; 1149 1150 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) { 1151 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 1152 1153 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) { 1154 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING; 1155 /* 1156 * The T100HA uses the same USB-ids as the T100TAF and 1157 * the T200TA uses the same USB-ids as the T100TA, while 1158 * both have different max x/y values as the T100TA[F]. 1159 */ 1160 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN")) 1161 drvdata->tp = &asus_t100ha_tp; 1162 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA")) 1163 drvdata->tp = &asus_t200ta_tp; 1164 else 1165 drvdata->tp = &asus_t100ta_tp; 1166 } 1167 } 1168 1169 if (drvdata->quirks & QUIRK_T100CHI) { 1170 /* 1171 * All functionality is on a single HID interface and for 1172 * userspace the touchpad must be a separate input_dev. 1173 */ 1174 hdev->quirks |= HID_QUIRK_MULTI_INPUT; 1175 drvdata->tp = &asus_t100chi_tp; 1176 } 1177 1178 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) { 1179 struct usb_host_interface *alt = 1180 to_usb_interface(hdev->dev.parent)->altsetting; 1181 1182 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) { 1183 /* For separate input-devs for tp and tp toggle key */ 1184 hdev->quirks |= HID_QUIRK_MULTI_INPUT; 1185 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING; 1186 drvdata->tp = &medion_e1239t_tp; 1187 } 1188 } 1189 1190 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS) 1191 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; 1192 1193 drvdata->hdev = hdev; 1194 1195 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { 1196 ret = asus_battery_probe(hdev); 1197 if (ret) { 1198 hid_err(hdev, 1199 "Asus hid battery_probe failed: %d\n", ret); 1200 return ret; 1201 } 1202 } 1203 1204 ret = hid_parse(hdev); 1205 if (ret) { 1206 hid_err(hdev, "Asus hid parse failed: %d\n", ret); 1207 return ret; 1208 } 1209 1210 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1211 if (ret) { 1212 hid_err(hdev, "Asus hw start failed: %d\n", ret); 1213 return ret; 1214 } 1215 1216 if (!drvdata->input) { 1217 hid_err(hdev, "Asus input not registered\n"); 1218 ret = -ENOMEM; 1219 goto err_stop_hw; 1220 } 1221 1222 if (drvdata->tp) { 1223 drvdata->input->name = "Asus TouchPad"; 1224 } else { 1225 drvdata->input->name = "Asus Keyboard"; 1226 } 1227 1228 if (drvdata->tp) { 1229 ret = asus_start_multitouch(hdev); 1230 if (ret) 1231 goto err_stop_hw; 1232 } 1233 1234 return 0; 1235 err_stop_hw: 1236 hid_hw_stop(hdev); 1237 return ret; 1238 } 1239 1240 static void asus_remove(struct hid_device *hdev) 1241 { 1242 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1243 unsigned long flags; 1244 1245 if (drvdata->kbd_backlight) { 1246 spin_lock_irqsave(&drvdata->kbd_backlight->lock, flags); 1247 drvdata->kbd_backlight->removed = true; 1248 spin_unlock_irqrestore(&drvdata->kbd_backlight->lock, flags); 1249 1250 cancel_work_sync(&drvdata->kbd_backlight->work); 1251 } 1252 1253 hid_hw_stop(hdev); 1254 } 1255 1256 static const __u8 asus_g752_fixed_rdesc[] = { 1257 0x19, 0x00, /* Usage Minimum (0x00) */ 1258 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */ 1259 }; 1260 1261 static const __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, 1262 unsigned int *rsize) 1263 { 1264 struct asus_drvdata *drvdata = hid_get_drvdata(hdev); 1265 1266 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT && 1267 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) { 1268 hid_info(hdev, "Fixing up Asus notebook report descriptor\n"); 1269 rdesc[55] = 0xdd; 1270 } 1271 /* For the T100TA/T200TA keyboard dock */ 1272 if (drvdata->quirks & QUIRK_T100_KEYBOARD && 1273 (*rsize == 76 || *rsize == 101) && 1274 rdesc[73] == 0x81 && rdesc[74] == 0x01) { 1275 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n"); 1276 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT; 1277 } 1278 /* For the T100CHI/T90CHI keyboard dock */ 1279 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) { 1280 int rsize_orig; 1281 int offs; 1282 1283 if (drvdata->quirks & QUIRK_T100CHI) { 1284 rsize_orig = 403; 1285 offs = 388; 1286 } else { 1287 rsize_orig = 306; 1288 offs = 291; 1289 } 1290 1291 /* 1292 * Change Usage (76h) to Usage Minimum (00h), Usage Maximum 1293 * (FFh) and clear the flags in the Input() byte. 1294 * Note the descriptor has a bogus 0 byte at the end so we 1295 * only need 1 extra byte. 1296 */ 1297 if (*rsize == rsize_orig && 1298 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) { 1299 *rsize = rsize_orig + 1; 1300 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL); 1301 if (!rdesc) 1302 return NULL; 1303 1304 hid_info(hdev, "Fixing up %s keyb report descriptor\n", 1305 drvdata->quirks & QUIRK_T100CHI ? 1306 "T100CHI" : "T90CHI"); 1307 memmove(rdesc + offs + 4, rdesc + offs + 2, 12); 1308 rdesc[offs] = 0x19; 1309 rdesc[offs + 1] = 0x00; 1310 rdesc[offs + 2] = 0x29; 1311 rdesc[offs + 3] = 0xff; 1312 rdesc[offs + 14] = 0x00; 1313 } 1314 } 1315 1316 if (drvdata->quirks & QUIRK_G752_KEYBOARD && 1317 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) { 1318 /* report is missing usage minimum and maximum */ 1319 __u8 *new_rdesc; 1320 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc); 1321 1322 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL); 1323 if (new_rdesc == NULL) 1324 return rdesc; 1325 1326 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n"); 1327 /* copy the valid part */ 1328 memcpy(new_rdesc, rdesc, 61); 1329 /* insert missing part */ 1330 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc)); 1331 /* copy remaining data */ 1332 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61); 1333 1334 *rsize = new_size; 1335 rdesc = new_rdesc; 1336 } 1337 1338 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && 1339 *rsize == 331 && rdesc[190] == 0x85 && rdesc[191] == 0x5a && 1340 rdesc[204] == 0x95 && rdesc[205] == 0x05) { 1341 hid_info(hdev, "Fixing up Asus N-KEY keyb report descriptor\n"); 1342 rdesc[205] = 0x01; 1343 } 1344 1345 /* match many more n-key devices */ 1346 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && *rsize > 15) { 1347 for (int i = 0; i < *rsize - 15; i++) { 1348 /* offset to the count from 0x5a report part always 14 */ 1349 if (rdesc[i] == 0x85 && rdesc[i + 1] == 0x5a && 1350 rdesc[i + 14] == 0x95 && rdesc[i + 15] == 0x05) { 1351 hid_info(hdev, "Fixing up Asus N-Key report descriptor\n"); 1352 rdesc[i + 15] = 0x01; 1353 break; 1354 } 1355 } 1356 } 1357 1358 return rdesc; 1359 } 1360 1361 static const struct hid_device_id asus_devices[] = { 1362 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, 1363 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS}, 1364 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, 1365 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS }, 1366 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1367 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT }, 1368 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1369 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT }, 1370 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1371 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD }, 1372 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1373 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD), 1374 QUIRK_USE_KBD_BACKLIGHT }, 1375 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1376 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD), 1377 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1378 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1379 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2), 1380 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1381 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1382 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD3), 1383 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1384 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1385 USB_DEVICE_ID_ASUSTEK_ROG_Z13_LIGHTBAR), 1386 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD }, 1387 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1388 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY), 1389 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_ROG_ALLY_XPAD}, 1390 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1391 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY_X), 1392 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_ROG_ALLY_XPAD }, 1393 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1394 USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD), 1395 QUIRK_ROG_CLAYMORE_II_KEYBOARD }, 1396 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1397 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD), 1398 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, 1399 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 1400 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD), 1401 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, 1402 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) }, 1403 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) }, 1404 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) }, 1405 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, 1406 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI }, 1407 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T), 1408 QUIRK_MEDION_E1239T }, 1409 /* 1410 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard 1411 * part, while letting hid-multitouch.c handle the touchpad. 1412 */ 1413 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, 1414 USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) }, 1415 { } 1416 }; 1417 MODULE_DEVICE_TABLE(hid, asus_devices); 1418 1419 static struct hid_driver asus_driver = { 1420 .name = "asus", 1421 .id_table = asus_devices, 1422 .report_fixup = asus_report_fixup, 1423 .probe = asus_probe, 1424 .remove = asus_remove, 1425 .input_mapping = asus_input_mapping, 1426 .input_configured = asus_input_configured, 1427 #ifdef CONFIG_PM 1428 .reset_resume = asus_reset_resume, 1429 .resume = asus_resume, 1430 #endif 1431 .event = asus_event, 1432 .raw_event = asus_raw_event 1433 }; 1434 module_hid_driver(asus_driver); 1435 1436 MODULE_IMPORT_NS("ASUS_WMI"); 1437 MODULE_LICENSE("GPL"); 1438