Blame view
drivers/hid/hid-corsair.c
18.4 KB
2874c5fd2 treewide: Replace... |
1 |
// SPDX-License-Identifier: GPL-2.0-or-later |
6f78193ee HID: corsair: Add... |
2 3 4 5 |
/* * HID driver for Corsair devices * * Supported devices: |
b9b7a86fc HID: corsair: Add... |
6 7 |
* - Vengeance K70 Keyboard * - K70 RAPIDFIRE Keyboard |
6f78193ee HID: corsair: Add... |
8 |
* - Vengeance K90 Keyboard |
01adc47e8 HID: corsair: Add... |
9 |
* - Scimitar PRO RGB Gaming Mouse |
6f78193ee HID: corsair: Add... |
10 11 |
* * Copyright (c) 2015 Clement Vuchener |
01adc47e8 HID: corsair: Add... |
12 |
* Copyright (c) 2017 Oscar Campos |
b9b7a86fc HID: corsair: Add... |
13 |
* Copyright (c) 2017 Aaron Bottegal |
6f78193ee HID: corsair: Add... |
14 15 16 |
*/ /* |
6f78193ee HID: corsair: Add... |
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 |
*/ #include <linux/hid.h> #include <linux/module.h> #include <linux/usb.h> #include <linux/leds.h> #include "hid-ids.h" #define CORSAIR_USE_K90_MACRO (1<<0) #define CORSAIR_USE_K90_BACKLIGHT (1<<1) struct k90_led { struct led_classdev cdev; int brightness; struct work_struct work; |
937804f3c HID: corsair: boo... |
33 |
bool removed; |
6f78193ee HID: corsair: Add... |
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 |
}; struct k90_drvdata { struct k90_led record_led; }; struct corsair_drvdata { unsigned long quirks; struct k90_drvdata *k90; struct k90_led *backlight; }; #define K90_GKEY_COUNT 18 static int corsair_usage_to_gkey(unsigned int usage) { /* G1 (0xd0) to G16 (0xdf) */ if (usage >= 0xd0 && usage <= 0xdf) return usage - 0xd0 + 1; /* G17 (0xe8) to G18 (0xe9) */ if (usage >= 0xe8 && usage <= 0xe9) return usage - 0xe8 + 17; return 0; } static unsigned short corsair_gkey_map[K90_GKEY_COUNT] = { BTN_TRIGGER_HAPPY1, BTN_TRIGGER_HAPPY2, BTN_TRIGGER_HAPPY3, BTN_TRIGGER_HAPPY4, BTN_TRIGGER_HAPPY5, BTN_TRIGGER_HAPPY6, BTN_TRIGGER_HAPPY7, BTN_TRIGGER_HAPPY8, BTN_TRIGGER_HAPPY9, BTN_TRIGGER_HAPPY10, BTN_TRIGGER_HAPPY11, BTN_TRIGGER_HAPPY12, BTN_TRIGGER_HAPPY13, BTN_TRIGGER_HAPPY14, BTN_TRIGGER_HAPPY15, BTN_TRIGGER_HAPPY16, BTN_TRIGGER_HAPPY17, BTN_TRIGGER_HAPPY18, }; module_param_array_named(gkey_codes, corsair_gkey_map, ushort, NULL, S_IRUGO); MODULE_PARM_DESC(gkey_codes, "Key codes for the G-keys"); static unsigned short corsair_record_keycodes[2] = { BTN_TRIGGER_HAPPY19, BTN_TRIGGER_HAPPY20 }; module_param_array_named(recordkey_codes, corsair_record_keycodes, ushort, NULL, S_IRUGO); MODULE_PARM_DESC(recordkey_codes, "Key codes for the MR (start and stop record) button"); static unsigned short corsair_profile_keycodes[3] = { BTN_TRIGGER_HAPPY21, BTN_TRIGGER_HAPPY22, BTN_TRIGGER_HAPPY23 }; module_param_array_named(profilekey_codes, corsair_profile_keycodes, ushort, NULL, S_IRUGO); MODULE_PARM_DESC(profilekey_codes, "Key codes for the profile buttons"); #define CORSAIR_USAGE_SPECIAL_MIN 0xf0 #define CORSAIR_USAGE_SPECIAL_MAX 0xff #define CORSAIR_USAGE_MACRO_RECORD_START 0xf6 #define CORSAIR_USAGE_MACRO_RECORD_STOP 0xf7 #define CORSAIR_USAGE_PROFILE 0xf1 #define CORSAIR_USAGE_M1 0xf1 #define CORSAIR_USAGE_M2 0xf2 #define CORSAIR_USAGE_M3 0xf3 #define CORSAIR_USAGE_PROFILE_MAX 0xf3 #define CORSAIR_USAGE_META_OFF 0xf4 #define CORSAIR_USAGE_META_ON 0xf5 #define CORSAIR_USAGE_LIGHT 0xfa #define CORSAIR_USAGE_LIGHT_OFF 0xfa #define CORSAIR_USAGE_LIGHT_DIM 0xfb #define CORSAIR_USAGE_LIGHT_MEDIUM 0xfc #define CORSAIR_USAGE_LIGHT_BRIGHT 0xfd #define CORSAIR_USAGE_LIGHT_MAX 0xfd /* USB control protocol */ #define K90_REQUEST_BRIGHTNESS 49 #define K90_REQUEST_MACRO_MODE 2 #define K90_REQUEST_STATUS 4 #define K90_REQUEST_GET_MODE 5 #define K90_REQUEST_PROFILE 20 #define K90_MACRO_MODE_SW 0x0030 #define K90_MACRO_MODE_HW 0x0001 #define K90_MACRO_LED_ON 0x0020 #define K90_MACRO_LED_OFF 0x0040 /* * LED class devices */ #define K90_BACKLIGHT_LED_SUFFIX "::backlight" #define K90_RECORD_LED_SUFFIX "::record" static enum led_brightness k90_backlight_get(struct led_classdev *led_cdev) { int ret; struct k90_led *led = container_of(led_cdev, struct k90_led, cdev); struct device *dev = led->cdev.dev->parent; struct usb_interface *usbif = to_usb_interface(dev->parent); struct usb_device *usbdev = interface_to_usbdev(usbif); int brightness; |
6d104af38 HID: corsair: fix... |
153 154 155 156 157 |
char *data; data = kmalloc(8, GFP_KERNEL); if (!data) return -ENOMEM; |
6f78193ee HID: corsair: Add... |
158 159 160 161 162 163 |
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), K90_REQUEST_STATUS, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, 0, data, 8, USB_CTRL_SET_TIMEOUT); |
7a546af50 HID: corsair: fix... |
164 |
if (ret < 5) { |
6f78193ee HID: corsair: Add... |
165 166 167 |
dev_warn(dev, "Failed to get K90 initial state (error %d). ", ret); |
6d104af38 HID: corsair: fix... |
168 169 |
ret = -EIO; goto out; |
6f78193ee HID: corsair: Add... |
170 171 172 173 174 175 176 |
} brightness = data[4]; if (brightness < 0 || brightness > 3) { dev_warn(dev, "Read invalid backlight brightness: %02hhx. ", data[4]); |
6d104af38 HID: corsair: fix... |
177 178 |
ret = -EIO; goto out; |
6f78193ee HID: corsair: Add... |
179 |
} |
6d104af38 HID: corsair: fix... |
180 181 182 183 184 |
ret = brightness; out: kfree(data); return ret; |
6f78193ee HID: corsair: Add... |
185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 |
} static enum led_brightness k90_record_led_get(struct led_classdev *led_cdev) { struct k90_led *led = container_of(led_cdev, struct k90_led, cdev); return led->brightness; } static void k90_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) { struct k90_led *led = container_of(led_cdev, struct k90_led, cdev); led->brightness = brightness; schedule_work(&led->work); } static void k90_backlight_work(struct work_struct *work) { int ret; struct k90_led *led = container_of(work, struct k90_led, work); struct device *dev; struct usb_interface *usbif; struct usb_device *usbdev; if (led->removed) return; dev = led->cdev.dev->parent; usbif = to_usb_interface(dev->parent); usbdev = interface_to_usbdev(usbif); ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), K90_REQUEST_BRIGHTNESS, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, led->brightness, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); if (ret != 0) dev_warn(dev, "Failed to set backlight brightness (error: %d). ", ret); } static void k90_record_led_work(struct work_struct *work) { int ret; struct k90_led *led = container_of(work, struct k90_led, work); struct device *dev; struct usb_interface *usbif; struct usb_device *usbdev; int value; if (led->removed) return; dev = led->cdev.dev->parent; usbif = to_usb_interface(dev->parent); usbdev = interface_to_usbdev(usbif); if (led->brightness > 0) value = K90_MACRO_LED_ON; else value = K90_MACRO_LED_OFF; ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), K90_REQUEST_MACRO_MODE, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); if (ret != 0) dev_warn(dev, "Failed to set record LED state (error: %d). ", ret); } /* * Keyboard attributes */ static ssize_t k90_show_macro_mode(struct device *dev, struct device_attribute *attr, char *buf) { int ret; struct usb_interface *usbif = to_usb_interface(dev->parent); struct usb_device *usbdev = interface_to_usbdev(usbif); const char *macro_mode; |
6d104af38 HID: corsair: fix... |
272 273 274 275 276 |
char *data; data = kmalloc(2, GFP_KERNEL); if (!data) return -ENOMEM; |
6f78193ee HID: corsair: Add... |
277 278 279 280 281 282 |
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), K90_REQUEST_GET_MODE, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, 0, data, 2, USB_CTRL_SET_TIMEOUT); |
7a546af50 HID: corsair: fix... |
283 |
if (ret < 1) { |
6f78193ee HID: corsair: Add... |
284 285 286 |
dev_warn(dev, "Failed to get K90 initial mode (error %d). ", ret); |
6d104af38 HID: corsair: fix... |
287 288 |
ret = -EIO; goto out; |
6f78193ee HID: corsair: Add... |
289 290 291 292 293 294 295 296 297 298 299 300 301 302 |
} switch (data[0]) { case K90_MACRO_MODE_HW: macro_mode = "HW"; break; case K90_MACRO_MODE_SW: macro_mode = "SW"; break; default: dev_warn(dev, "K90 in unknown mode: %02hhx. ", data[0]); |
6d104af38 HID: corsair: fix... |
303 304 |
ret = -EIO; goto out; |
6f78193ee HID: corsair: Add... |
305 |
} |
6d104af38 HID: corsair: fix... |
306 307 308 309 310 311 |
ret = snprintf(buf, PAGE_SIZE, "%s ", macro_mode); out: kfree(data); return ret; |
6f78193ee HID: corsair: Add... |
312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 |
} static ssize_t k90_store_macro_mode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int ret; struct usb_interface *usbif = to_usb_interface(dev->parent); struct usb_device *usbdev = interface_to_usbdev(usbif); __u16 value; if (strncmp(buf, "SW", 2) == 0) value = K90_MACRO_MODE_SW; else if (strncmp(buf, "HW", 2) == 0) value = K90_MACRO_MODE_HW; else return -EINVAL; ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), K90_REQUEST_MACRO_MODE, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); if (ret != 0) { dev_warn(dev, "Failed to set macro mode. "); return ret; } return count; } static ssize_t k90_show_current_profile(struct device *dev, struct device_attribute *attr, char *buf) { int ret; struct usb_interface *usbif = to_usb_interface(dev->parent); struct usb_device *usbdev = interface_to_usbdev(usbif); int current_profile; |
6d104af38 HID: corsair: fix... |
352 353 354 355 356 |
char *data; data = kmalloc(8, GFP_KERNEL); if (!data) return -ENOMEM; |
6f78193ee HID: corsair: Add... |
357 358 359 360 361 362 |
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), K90_REQUEST_STATUS, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, 0, data, 8, USB_CTRL_SET_TIMEOUT); |
7a546af50 HID: corsair: fix... |
363 |
if (ret < 8) { |
6f78193ee HID: corsair: Add... |
364 365 366 |
dev_warn(dev, "Failed to get K90 initial state (error %d). ", ret); |
6d104af38 HID: corsair: fix... |
367 368 |
ret = -EIO; goto out; |
6f78193ee HID: corsair: Add... |
369 370 371 372 373 374 |
} current_profile = data[7]; if (current_profile < 1 || current_profile > 3) { dev_warn(dev, "Read invalid current profile: %02hhx. ", data[7]); |
6d104af38 HID: corsair: fix... |
375 376 |
ret = -EIO; goto out; |
6f78193ee HID: corsair: Add... |
377 |
} |
6d104af38 HID: corsair: fix... |
378 379 380 381 382 383 |
ret = snprintf(buf, PAGE_SIZE, "%d ", current_profile); out: kfree(data); return ret; |
6f78193ee HID: corsair: Add... |
384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 |
} static ssize_t k90_store_current_profile(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int ret; struct usb_interface *usbif = to_usb_interface(dev->parent); struct usb_device *usbdev = interface_to_usbdev(usbif); int profile; if (kstrtoint(buf, 10, &profile)) return -EINVAL; if (profile < 1 || profile > 3) return -EINVAL; ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), K90_REQUEST_PROFILE, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, profile, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); if (ret != 0) { dev_warn(dev, "Failed to change current profile (error %d). ", ret); return ret; } return count; } static DEVICE_ATTR(macro_mode, 0644, k90_show_macro_mode, k90_store_macro_mode); static DEVICE_ATTR(current_profile, 0644, k90_show_current_profile, k90_store_current_profile); static struct attribute *k90_attrs[] = { &dev_attr_macro_mode.attr, &dev_attr_current_profile.attr, NULL }; static const struct attribute_group k90_attr_group = { .attrs = k90_attrs, }; /* * Driver functions */ static int k90_init_backlight(struct hid_device *dev) { int ret; struct corsair_drvdata *drvdata = hid_get_drvdata(dev); size_t name_sz; char *name; drvdata->backlight = kzalloc(sizeof(struct k90_led), GFP_KERNEL); if (!drvdata->backlight) { ret = -ENOMEM; goto fail_backlight_alloc; } name_sz = strlen(dev_name(&dev->dev)) + sizeof(K90_BACKLIGHT_LED_SUFFIX); name = kzalloc(name_sz, GFP_KERNEL); if (!name) { ret = -ENOMEM; goto fail_name_alloc; } snprintf(name, name_sz, "%s" K90_BACKLIGHT_LED_SUFFIX, dev_name(&dev->dev)); |
937804f3c HID: corsair: boo... |
455 |
drvdata->backlight->removed = false; |
6f78193ee HID: corsair: Add... |
456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 |
drvdata->backlight->cdev.name = name; drvdata->backlight->cdev.max_brightness = 3; drvdata->backlight->cdev.brightness_set = k90_brightness_set; drvdata->backlight->cdev.brightness_get = k90_backlight_get; INIT_WORK(&drvdata->backlight->work, k90_backlight_work); ret = led_classdev_register(&dev->dev, &drvdata->backlight->cdev); if (ret != 0) goto fail_register_cdev; return 0; fail_register_cdev: kfree(drvdata->backlight->cdev.name); fail_name_alloc: kfree(drvdata->backlight); drvdata->backlight = NULL; fail_backlight_alloc: return ret; } static int k90_init_macro_functions(struct hid_device *dev) { int ret; struct corsair_drvdata *drvdata = hid_get_drvdata(dev); struct k90_drvdata *k90; size_t name_sz; char *name; k90 = kzalloc(sizeof(struct k90_drvdata), GFP_KERNEL); if (!k90) { ret = -ENOMEM; goto fail_drvdata; } drvdata->k90 = k90; /* Init LED device for record LED */ name_sz = strlen(dev_name(&dev->dev)) + sizeof(K90_RECORD_LED_SUFFIX); name = kzalloc(name_sz, GFP_KERNEL); if (!name) { ret = -ENOMEM; goto fail_record_led_alloc; } snprintf(name, name_sz, "%s" K90_RECORD_LED_SUFFIX, dev_name(&dev->dev)); |
937804f3c HID: corsair: boo... |
500 |
k90->record_led.removed = false; |
6f78193ee HID: corsair: Add... |
501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 |
k90->record_led.cdev.name = name; k90->record_led.cdev.max_brightness = 1; k90->record_led.cdev.brightness_set = k90_brightness_set; k90->record_led.cdev.brightness_get = k90_record_led_get; INIT_WORK(&k90->record_led.work, k90_record_led_work); k90->record_led.brightness = 0; ret = led_classdev_register(&dev->dev, &k90->record_led.cdev); if (ret != 0) goto fail_record_led; /* Init attributes */ ret = sysfs_create_group(&dev->dev.kobj, &k90_attr_group); if (ret != 0) goto fail_sysfs; return 0; fail_sysfs: |
937804f3c HID: corsair: boo... |
519 |
k90->record_led.removed = true; |
6f78193ee HID: corsair: Add... |
520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 |
led_classdev_unregister(&k90->record_led.cdev); cancel_work_sync(&k90->record_led.work); fail_record_led: kfree(k90->record_led.cdev.name); fail_record_led_alloc: kfree(k90); fail_drvdata: drvdata->k90 = NULL; return ret; } static void k90_cleanup_backlight(struct hid_device *dev) { struct corsair_drvdata *drvdata = hid_get_drvdata(dev); if (drvdata->backlight) { |
937804f3c HID: corsair: boo... |
536 |
drvdata->backlight->removed = true; |
6f78193ee HID: corsair: Add... |
537 538 539 540 541 542 543 544 545 546 547 548 549 550 |
led_classdev_unregister(&drvdata->backlight->cdev); cancel_work_sync(&drvdata->backlight->work); kfree(drvdata->backlight->cdev.name); kfree(drvdata->backlight); } } static void k90_cleanup_macro_functions(struct hid_device *dev) { struct corsair_drvdata *drvdata = hid_get_drvdata(dev); struct k90_drvdata *k90 = drvdata->k90; if (k90) { sysfs_remove_group(&dev->dev.kobj, &k90_attr_group); |
937804f3c HID: corsair: boo... |
551 |
k90->record_led.removed = true; |
6f78193ee HID: corsair: Add... |
552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 |
led_classdev_unregister(&k90->record_led.cdev); cancel_work_sync(&k90->record_led.work); kfree(k90->record_led.cdev.name); kfree(k90); } } static int corsair_probe(struct hid_device *dev, const struct hid_device_id *id) { int ret; unsigned long quirks = id->driver_data; struct corsair_drvdata *drvdata; struct usb_interface *usbif = to_usb_interface(dev->dev.parent); drvdata = devm_kzalloc(&dev->dev, sizeof(struct corsair_drvdata), GFP_KERNEL); if (drvdata == NULL) return -ENOMEM; drvdata->quirks = quirks; hid_set_drvdata(dev, drvdata); ret = hid_parse(dev); if (ret != 0) { hid_err(dev, "parse failed "); return ret; } ret = hid_hw_start(dev, HID_CONNECT_DEFAULT); if (ret != 0) { hid_err(dev, "hw start failed "); return ret; } if (usbif->cur_altsetting->desc.bInterfaceNumber == 0) { if (quirks & CORSAIR_USE_K90_MACRO) { ret = k90_init_macro_functions(dev); if (ret != 0) hid_warn(dev, "Failed to initialize K90 macro functions. "); } if (quirks & CORSAIR_USE_K90_BACKLIGHT) { ret = k90_init_backlight(dev); if (ret != 0) hid_warn(dev, "Failed to initialize K90 backlight. "); } } return 0; } static void corsair_remove(struct hid_device *dev) { k90_cleanup_macro_functions(dev); k90_cleanup_backlight(dev); hid_hw_stop(dev); } static int corsair_event(struct hid_device *dev, struct hid_field *field, struct hid_usage *usage, __s32 value) { struct corsair_drvdata *drvdata = hid_get_drvdata(dev); if (!drvdata->k90) return 0; switch (usage->hid & HID_USAGE) { case CORSAIR_USAGE_MACRO_RECORD_START: drvdata->k90->record_led.brightness = 1; break; case CORSAIR_USAGE_MACRO_RECORD_STOP: drvdata->k90->record_led.brightness = 0; break; default: break; } return 0; } static int corsair_input_mapping(struct hid_device *dev, struct hid_input *input, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { int gkey; |
e791f7b10 HID: corsair: fix... |
642 643 |
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_KEYBOARD) return 0; |
6f78193ee HID: corsair: Add... |
644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 |
gkey = corsair_usage_to_gkey(usage->hid & HID_USAGE); if (gkey != 0) { hid_map_usage_clear(input, usage, bit, max, EV_KEY, corsair_gkey_map[gkey - 1]); return 1; } if ((usage->hid & HID_USAGE) >= CORSAIR_USAGE_SPECIAL_MIN && (usage->hid & HID_USAGE) <= CORSAIR_USAGE_SPECIAL_MAX) { switch (usage->hid & HID_USAGE) { case CORSAIR_USAGE_MACRO_RECORD_START: hid_map_usage_clear(input, usage, bit, max, EV_KEY, corsair_record_keycodes[0]); return 1; case CORSAIR_USAGE_MACRO_RECORD_STOP: hid_map_usage_clear(input, usage, bit, max, EV_KEY, corsair_record_keycodes[1]); return 1; case CORSAIR_USAGE_M1: hid_map_usage_clear(input, usage, bit, max, EV_KEY, corsair_profile_keycodes[0]); return 1; case CORSAIR_USAGE_M2: hid_map_usage_clear(input, usage, bit, max, EV_KEY, corsair_profile_keycodes[1]); return 1; case CORSAIR_USAGE_M3: hid_map_usage_clear(input, usage, bit, max, EV_KEY, corsair_profile_keycodes[2]); return 1; default: return -1; } } return 0; } |
01adc47e8 HID: corsair: Add... |
685 |
/* |
bbca80b27 HID: corsair: Add... |
686 |
* The report descriptor of some of the Corsair gaming mice is |
01adc47e8 HID: corsair: Add... |
687 688 689 690 691 692 693 |
* non parseable as they define two consecutive Logical Minimum for * the Usage Page (Consumer) in rdescs bytes 75 and 77 being 77 0x16 * that should be obviousy 0x26 for Logical Magimum of 16 bits. This * prevents poper parsing of the report descriptor due Logical * Minimum being larger than Logical Maximum. * * This driver fixes the report descriptor for: |
bbca80b27 HID: corsair: Add... |
694 695 |
* - USB ID 1b1c:1b34, sold as GLAIVE RGB Gaming mouse * - USB ID 1b1c:1b3e, sold as Scimitar RGB Pro Gaming mouse |
01adc47e8 HID: corsair: Add... |
696 697 698 699 700 701 702 703 704 |
*/ static __u8 *corsair_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { /* |
bbca80b27 HID: corsair: Add... |
705 706 707 708 |
* Corsair GLAIVE RGB and Scimitar RGB Pro report descriptor is * broken and defines two different Logical Minimum for the * Consumer Application. The byte 77 should be a 0x26 defining * a 16 bits integer for the Logical Maximum but it is a 0x16 |
01adc47e8 HID: corsair: Add... |
709 710 711 |
* instead (Logical Minimum) */ switch (hdev->product) { |
bbca80b27 HID: corsair: Add... |
712 |
case USB_DEVICE_ID_CORSAIR_GLAIVE_RGB: |
01adc47e8 HID: corsair: Add... |
713 714 715 716 717 718 719 720 721 722 723 724 725 |
case USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB: if (*rsize >= 172 && rdesc[75] == 0x15 && rdesc[77] == 0x16 && rdesc[78] == 0xff && rdesc[79] == 0x0f) { hid_info(hdev, "Fixing up report descriptor "); rdesc[77] = 0x26; } break; } } return rdesc; } |
6f78193ee HID: corsair: Add... |
726 727 728 729 |
static const struct hid_device_id corsair_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90), .driver_data = CORSAIR_USE_K90_MACRO | CORSAIR_USE_K90_BACKLIGHT }, |
01adc47e8 HID: corsair: Add... |
730 |
{ HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, |
bbca80b27 HID: corsair: Add... |
731 732 |
USB_DEVICE_ID_CORSAIR_GLAIVE_RGB) }, { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, |
01adc47e8 HID: corsair: Add... |
733 |
USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) }, |
b9b7a86fc HID: corsair: Add... |
734 735 736 737 738 |
/* * Vengeance K70 and K70 RAPIDFIRE share product IDs. */ { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70R) }, |
6f78193ee HID: corsair: Add... |
739 740 741 742 743 744 745 746 747 748 749 750 |
{} }; MODULE_DEVICE_TABLE(hid, corsair_devices); static struct hid_driver corsair_driver = { .name = "corsair", .id_table = corsair_devices, .probe = corsair_probe, .event = corsair_event, .remove = corsair_remove, .input_mapping = corsair_input_mapping, |
01adc47e8 HID: corsair: Add... |
751 |
.report_fixup = corsair_mouse_report_fixup, |
6f78193ee HID: corsair: Add... |
752 |
}; |
e3fed7489 HID: corsair: Con... |
753 |
module_hid_driver(corsair_driver); |
6f78193ee HID: corsair: Add... |
754 755 |
MODULE_LICENSE("GPL"); |
01adc47e8 HID: corsair: Add... |
756 |
/* Original K90 driver author */ |
6f78193ee HID: corsair: Add... |
757 |
MODULE_AUTHOR("Clement Vuchener"); |
01adc47e8 HID: corsair: Add... |
758 759 |
/* Scimitar PRO RGB driver author */ MODULE_AUTHOR("Oscar Campos"); |
6f78193ee HID: corsair: Add... |
760 |
MODULE_DESCRIPTION("HID driver for Corsair devices"); |