1 /* 2 * Roccat Pyra driver for Linux 3 * 4 * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net> 5 */ 6 7 /* 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the Free 10 * Software Foundation; either version 2 of the License, or (at your option) 11 * any later version. 12 */ 13 14 /* 15 * Roccat Pyra is a mobile gamer mouse which comes in wired and wireless 16 * variant. Wireless variant is not tested. 17 * Userland tools can be found at http://sourceforge.net/projects/roccat 18 */ 19 20 #include <linux/device.h> 21 #include <linux/input.h> 22 #include <linux/hid.h> 23 #include <linux/usb.h> 24 #include <linux/module.h> 25 #include <linux/slab.h> 26 #include "hid-ids.h" 27 #include "hid-roccat.h" 28 #include "hid-roccat-pyra.h" 29 30 static uint profile_numbers[5] = {0, 1, 2, 3, 4}; 31 32 /* pyra_class is used for creating sysfs attributes via roccat char device */ 33 static struct class *pyra_class; 34 35 static void profile_activated(struct pyra_device *pyra, 36 unsigned int new_profile) 37 { 38 pyra->actual_profile = new_profile; 39 pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi; 40 } 41 42 static int pyra_send_control(struct usb_device *usb_dev, int value, 43 enum pyra_control_requests request) 44 { 45 int len; 46 struct pyra_control control; 47 48 if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS || 49 request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) && 50 (value < 0 || value > 4)) 51 return -EINVAL; 52 53 control.command = PYRA_COMMAND_CONTROL; 54 control.value = value; 55 control.request = request; 56 57 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), 58 USB_REQ_SET_CONFIGURATION, 59 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, 60 PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, 61 sizeof(struct pyra_control), 62 USB_CTRL_SET_TIMEOUT); 63 64 if (len != sizeof(struct pyra_control)) 65 return len; 66 67 return 0; 68 } 69 70 static int pyra_receive_control_status(struct usb_device *usb_dev) 71 { 72 int len; 73 struct pyra_control control; 74 75 do { 76 msleep(10); 77 78 len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), 79 USB_REQ_CLEAR_FEATURE, 80 USB_TYPE_CLASS | USB_RECIP_INTERFACE | 81 USB_DIR_IN, 82 PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, 83 sizeof(struct pyra_control), 84 USB_CTRL_SET_TIMEOUT); 85 86 /* requested too early, try again */ 87 } while (len == -EPROTO); 88 89 if (len == sizeof(struct pyra_control) && 90 control.command == PYRA_COMMAND_CONTROL && 91 control.request == PYRA_CONTROL_REQUEST_STATUS && 92 control.value == 1) 93 return 0; 94 else { 95 hid_err(usb_dev, "receive control status: unknown response 0x%x 0x%x\n", 96 control.request, control.value); 97 return -EINVAL; 98 } 99 } 100 101 static int pyra_get_profile_settings(struct usb_device *usb_dev, 102 struct pyra_profile_settings *buf, int number) 103 { 104 int retval; 105 106 retval = pyra_send_control(usb_dev, number, 107 PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); 108 109 if (retval) 110 return retval; 111 112 retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), 113 USB_REQ_CLEAR_FEATURE, 114 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, 115 PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)buf, 116 sizeof(struct pyra_profile_settings), 117 USB_CTRL_SET_TIMEOUT); 118 119 if (retval != sizeof(struct pyra_profile_settings)) 120 return retval; 121 122 return 0; 123 } 124 125 static int pyra_get_profile_buttons(struct usb_device *usb_dev, 126 struct pyra_profile_buttons *buf, int number) 127 { 128 int retval; 129 130 retval = pyra_send_control(usb_dev, number, 131 PYRA_CONTROL_REQUEST_PROFILE_BUTTONS); 132 133 if (retval) 134 return retval; 135 136 retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), 137 USB_REQ_CLEAR_FEATURE, 138 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, 139 PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buf, 140 sizeof(struct pyra_profile_buttons), 141 USB_CTRL_SET_TIMEOUT); 142 143 if (retval != sizeof(struct pyra_profile_buttons)) 144 return retval; 145 146 return 0; 147 } 148 149 static int pyra_get_settings(struct usb_device *usb_dev, 150 struct pyra_settings *buf) 151 { 152 int len; 153 len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), 154 USB_REQ_CLEAR_FEATURE, 155 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, 156 PYRA_USB_COMMAND_SETTINGS, 0, buf, 157 sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); 158 if (len != sizeof(struct pyra_settings)) 159 return -EIO; 160 return 0; 161 } 162 163 static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf) 164 { 165 int len; 166 len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), 167 USB_REQ_CLEAR_FEATURE, 168 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, 169 PYRA_USB_COMMAND_INFO, 0, buf, 170 sizeof(struct pyra_info), USB_CTRL_SET_TIMEOUT); 171 if (len != sizeof(struct pyra_info)) 172 return -EIO; 173 return 0; 174 } 175 176 static int pyra_set_profile_settings(struct usb_device *usb_dev, 177 struct pyra_profile_settings const *settings) 178 { 179 int len; 180 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), 181 USB_REQ_SET_CONFIGURATION, 182 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, 183 PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)settings, 184 sizeof(struct pyra_profile_settings), 185 USB_CTRL_SET_TIMEOUT); 186 if (len != sizeof(struct pyra_profile_settings)) 187 return -EIO; 188 if (pyra_receive_control_status(usb_dev)) 189 return -EIO; 190 return 0; 191 } 192 193 static int pyra_set_profile_buttons(struct usb_device *usb_dev, 194 struct pyra_profile_buttons const *buttons) 195 { 196 int len; 197 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), 198 USB_REQ_SET_CONFIGURATION, 199 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, 200 PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buttons, 201 sizeof(struct pyra_profile_buttons), 202 USB_CTRL_SET_TIMEOUT); 203 if (len != sizeof(struct pyra_profile_buttons)) 204 return -EIO; 205 if (pyra_receive_control_status(usb_dev)) 206 return -EIO; 207 return 0; 208 } 209 210 static int pyra_set_settings(struct usb_device *usb_dev, 211 struct pyra_settings const *settings) 212 { 213 int len; 214 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), 215 USB_REQ_SET_CONFIGURATION, 216 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, 217 PYRA_USB_COMMAND_SETTINGS, 0, (char *)settings, 218 sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); 219 if (len != sizeof(struct pyra_settings)) 220 return -EIO; 221 if (pyra_receive_control_status(usb_dev)) 222 return -EIO; 223 return 0; 224 } 225 226 static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp, 227 struct kobject *kobj, struct bin_attribute *attr, char *buf, 228 loff_t off, size_t count) 229 { 230 struct device *dev = 231 container_of(kobj, struct device, kobj)->parent->parent; 232 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 233 234 if (off >= sizeof(struct pyra_profile_settings)) 235 return 0; 236 237 if (off + count > sizeof(struct pyra_profile_settings)) 238 count = sizeof(struct pyra_profile_settings) - off; 239 240 mutex_lock(&pyra->pyra_lock); 241 memcpy(buf, ((char const *)&pyra->profile_settings[*(uint *)(attr->private)]) + off, 242 count); 243 mutex_unlock(&pyra->pyra_lock); 244 245 return count; 246 } 247 248 static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, 249 struct kobject *kobj, struct bin_attribute *attr, char *buf, 250 loff_t off, size_t count) 251 { 252 struct device *dev = 253 container_of(kobj, struct device, kobj)->parent->parent; 254 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 255 256 if (off >= sizeof(struct pyra_profile_buttons)) 257 return 0; 258 259 if (off + count > sizeof(struct pyra_profile_buttons)) 260 count = sizeof(struct pyra_profile_buttons) - off; 261 262 mutex_lock(&pyra->pyra_lock); 263 memcpy(buf, ((char const *)&pyra->profile_buttons[*(uint *)(attr->private)]) + off, 264 count); 265 mutex_unlock(&pyra->pyra_lock); 266 267 return count; 268 } 269 270 static ssize_t pyra_sysfs_write_profile_settings(struct file *fp, 271 struct kobject *kobj, struct bin_attribute *attr, char *buf, 272 loff_t off, size_t count) 273 { 274 struct device *dev = 275 container_of(kobj, struct device, kobj)->parent->parent; 276 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 277 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); 278 int retval = 0; 279 int difference; 280 int profile_number; 281 struct pyra_profile_settings *profile_settings; 282 283 if (off != 0 || count != sizeof(struct pyra_profile_settings)) 284 return -EINVAL; 285 286 profile_number = ((struct pyra_profile_settings const *)buf)->number; 287 profile_settings = &pyra->profile_settings[profile_number]; 288 289 mutex_lock(&pyra->pyra_lock); 290 difference = memcmp(buf, profile_settings, 291 sizeof(struct pyra_profile_settings)); 292 if (difference) { 293 retval = pyra_set_profile_settings(usb_dev, 294 (struct pyra_profile_settings const *)buf); 295 if (!retval) 296 memcpy(profile_settings, buf, 297 sizeof(struct pyra_profile_settings)); 298 } 299 mutex_unlock(&pyra->pyra_lock); 300 301 if (retval) 302 return retval; 303 304 return sizeof(struct pyra_profile_settings); 305 } 306 307 static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp, 308 struct kobject *kobj, struct bin_attribute *attr, char *buf, 309 loff_t off, size_t count) 310 { 311 struct device *dev = 312 container_of(kobj, struct device, kobj)->parent->parent; 313 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 314 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); 315 int retval = 0; 316 int difference; 317 int profile_number; 318 struct pyra_profile_buttons *profile_buttons; 319 320 if (off != 0 || count != sizeof(struct pyra_profile_buttons)) 321 return -EINVAL; 322 323 profile_number = ((struct pyra_profile_buttons const *)buf)->number; 324 profile_buttons = &pyra->profile_buttons[profile_number]; 325 326 mutex_lock(&pyra->pyra_lock); 327 difference = memcmp(buf, profile_buttons, 328 sizeof(struct pyra_profile_buttons)); 329 if (difference) { 330 retval = pyra_set_profile_buttons(usb_dev, 331 (struct pyra_profile_buttons const *)buf); 332 if (!retval) 333 memcpy(profile_buttons, buf, 334 sizeof(struct pyra_profile_buttons)); 335 } 336 mutex_unlock(&pyra->pyra_lock); 337 338 if (retval) 339 return retval; 340 341 return sizeof(struct pyra_profile_buttons); 342 } 343 344 static ssize_t pyra_sysfs_read_settings(struct file *fp, 345 struct kobject *kobj, struct bin_attribute *attr, char *buf, 346 loff_t off, size_t count) 347 { 348 struct device *dev = 349 container_of(kobj, struct device, kobj)->parent->parent; 350 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 351 352 if (off >= sizeof(struct pyra_settings)) 353 return 0; 354 355 if (off + count > sizeof(struct pyra_settings)) 356 count = sizeof(struct pyra_settings) - off; 357 358 mutex_lock(&pyra->pyra_lock); 359 memcpy(buf, ((char const *)&pyra->settings) + off, count); 360 mutex_unlock(&pyra->pyra_lock); 361 362 return count; 363 } 364 365 static ssize_t pyra_sysfs_write_settings(struct file *fp, 366 struct kobject *kobj, struct bin_attribute *attr, char *buf, 367 loff_t off, size_t count) 368 { 369 struct device *dev = 370 container_of(kobj, struct device, kobj)->parent->parent; 371 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 372 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); 373 int retval = 0; 374 int difference; 375 376 if (off != 0 || count != sizeof(struct pyra_settings)) 377 return -EINVAL; 378 379 mutex_lock(&pyra->pyra_lock); 380 difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings)); 381 if (difference) { 382 retval = pyra_set_settings(usb_dev, 383 (struct pyra_settings const *)buf); 384 if (!retval) 385 memcpy(&pyra->settings, buf, 386 sizeof(struct pyra_settings)); 387 } 388 mutex_unlock(&pyra->pyra_lock); 389 390 if (retval) 391 return retval; 392 393 profile_activated(pyra, pyra->settings.startup_profile); 394 395 return sizeof(struct pyra_settings); 396 } 397 398 399 static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev, 400 struct device_attribute *attr, char *buf) 401 { 402 struct pyra_device *pyra = 403 hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); 404 return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi); 405 } 406 407 static ssize_t pyra_sysfs_show_actual_profile(struct device *dev, 408 struct device_attribute *attr, char *buf) 409 { 410 struct pyra_device *pyra = 411 hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); 412 return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile); 413 } 414 415 static ssize_t pyra_sysfs_show_firmware_version(struct device *dev, 416 struct device_attribute *attr, char *buf) 417 { 418 struct pyra_device *pyra = 419 hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); 420 return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version); 421 } 422 423 static ssize_t pyra_sysfs_show_startup_profile(struct device *dev, 424 struct device_attribute *attr, char *buf) 425 { 426 struct pyra_device *pyra = 427 hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); 428 return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile); 429 } 430 431 static struct device_attribute pyra_attributes[] = { 432 __ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL), 433 __ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL), 434 __ATTR(firmware_version, 0440, 435 pyra_sysfs_show_firmware_version, NULL), 436 __ATTR(startup_profile, 0440, 437 pyra_sysfs_show_startup_profile, NULL), 438 __ATTR_NULL 439 }; 440 441 static struct bin_attribute pyra_bin_attributes[] = { 442 { 443 .attr = { .name = "profile_settings", .mode = 0220 }, 444 .size = sizeof(struct pyra_profile_settings), 445 .write = pyra_sysfs_write_profile_settings 446 }, 447 { 448 .attr = { .name = "profile1_settings", .mode = 0440 }, 449 .size = sizeof(struct pyra_profile_settings), 450 .read = pyra_sysfs_read_profilex_settings, 451 .private = &profile_numbers[0] 452 }, 453 { 454 .attr = { .name = "profile2_settings", .mode = 0440 }, 455 .size = sizeof(struct pyra_profile_settings), 456 .read = pyra_sysfs_read_profilex_settings, 457 .private = &profile_numbers[1] 458 }, 459 { 460 .attr = { .name = "profile3_settings", .mode = 0440 }, 461 .size = sizeof(struct pyra_profile_settings), 462 .read = pyra_sysfs_read_profilex_settings, 463 .private = &profile_numbers[2] 464 }, 465 { 466 .attr = { .name = "profile4_settings", .mode = 0440 }, 467 .size = sizeof(struct pyra_profile_settings), 468 .read = pyra_sysfs_read_profilex_settings, 469 .private = &profile_numbers[3] 470 }, 471 { 472 .attr = { .name = "profile5_settings", .mode = 0440 }, 473 .size = sizeof(struct pyra_profile_settings), 474 .read = pyra_sysfs_read_profilex_settings, 475 .private = &profile_numbers[4] 476 }, 477 { 478 .attr = { .name = "profile_buttons", .mode = 0220 }, 479 .size = sizeof(struct pyra_profile_buttons), 480 .write = pyra_sysfs_write_profile_buttons 481 }, 482 { 483 .attr = { .name = "profile1_buttons", .mode = 0440 }, 484 .size = sizeof(struct pyra_profile_buttons), 485 .read = pyra_sysfs_read_profilex_buttons, 486 .private = &profile_numbers[0] 487 }, 488 { 489 .attr = { .name = "profile2_buttons", .mode = 0440 }, 490 .size = sizeof(struct pyra_profile_buttons), 491 .read = pyra_sysfs_read_profilex_buttons, 492 .private = &profile_numbers[1] 493 }, 494 { 495 .attr = { .name = "profile3_buttons", .mode = 0440 }, 496 .size = sizeof(struct pyra_profile_buttons), 497 .read = pyra_sysfs_read_profilex_buttons, 498 .private = &profile_numbers[2] 499 }, 500 { 501 .attr = { .name = "profile4_buttons", .mode = 0440 }, 502 .size = sizeof(struct pyra_profile_buttons), 503 .read = pyra_sysfs_read_profilex_buttons, 504 .private = &profile_numbers[3] 505 }, 506 { 507 .attr = { .name = "profile5_buttons", .mode = 0440 }, 508 .size = sizeof(struct pyra_profile_buttons), 509 .read = pyra_sysfs_read_profilex_buttons, 510 .private = &profile_numbers[4] 511 }, 512 { 513 .attr = { .name = "settings", .mode = 0660 }, 514 .size = sizeof(struct pyra_settings), 515 .read = pyra_sysfs_read_settings, 516 .write = pyra_sysfs_write_settings 517 }, 518 __ATTR_NULL 519 }; 520 521 static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, 522 struct pyra_device *pyra) 523 { 524 struct pyra_info *info; 525 int retval, i; 526 527 mutex_init(&pyra->pyra_lock); 528 529 info = kmalloc(sizeof(struct pyra_info), GFP_KERNEL); 530 if (!info) 531 return -ENOMEM; 532 retval = pyra_get_info(usb_dev, info); 533 if (retval) { 534 kfree(info); 535 return retval; 536 } 537 pyra->firmware_version = info->firmware_version; 538 kfree(info); 539 540 retval = pyra_get_settings(usb_dev, &pyra->settings); 541 if (retval) 542 return retval; 543 544 for (i = 0; i < 5; ++i) { 545 retval = pyra_get_profile_settings(usb_dev, 546 &pyra->profile_settings[i], i); 547 if (retval) 548 return retval; 549 550 retval = pyra_get_profile_buttons(usb_dev, 551 &pyra->profile_buttons[i], i); 552 if (retval) 553 return retval; 554 } 555 556 profile_activated(pyra, pyra->settings.startup_profile); 557 558 return 0; 559 } 560 561 static int pyra_init_specials(struct hid_device *hdev) 562 { 563 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 564 struct usb_device *usb_dev = interface_to_usbdev(intf); 565 struct pyra_device *pyra; 566 int retval; 567 568 if (intf->cur_altsetting->desc.bInterfaceProtocol 569 == USB_INTERFACE_PROTOCOL_MOUSE) { 570 571 pyra = kzalloc(sizeof(*pyra), GFP_KERNEL); 572 if (!pyra) { 573 hid_err(hdev, "can't alloc device descriptor\n"); 574 return -ENOMEM; 575 } 576 hid_set_drvdata(hdev, pyra); 577 578 retval = pyra_init_pyra_device_struct(usb_dev, pyra); 579 if (retval) { 580 hid_err(hdev, "couldn't init struct pyra_device\n"); 581 goto exit_free; 582 } 583 584 retval = roccat_connect(pyra_class, hdev); 585 if (retval < 0) { 586 hid_err(hdev, "couldn't init char dev\n"); 587 } else { 588 pyra->chrdev_minor = retval; 589 pyra->roccat_claimed = 1; 590 } 591 } else { 592 hid_set_drvdata(hdev, NULL); 593 } 594 595 return 0; 596 exit_free: 597 kfree(pyra); 598 return retval; 599 } 600 601 static void pyra_remove_specials(struct hid_device *hdev) 602 { 603 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 604 struct pyra_device *pyra; 605 606 if (intf->cur_altsetting->desc.bInterfaceProtocol 607 == USB_INTERFACE_PROTOCOL_MOUSE) { 608 pyra = hid_get_drvdata(hdev); 609 if (pyra->roccat_claimed) 610 roccat_disconnect(pyra->chrdev_minor); 611 kfree(hid_get_drvdata(hdev)); 612 } 613 } 614 615 static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id) 616 { 617 int retval; 618 619 retval = hid_parse(hdev); 620 if (retval) { 621 hid_err(hdev, "parse failed\n"); 622 goto exit; 623 } 624 625 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 626 if (retval) { 627 hid_err(hdev, "hw start failed\n"); 628 goto exit; 629 } 630 631 retval = pyra_init_specials(hdev); 632 if (retval) { 633 hid_err(hdev, "couldn't install mouse\n"); 634 goto exit_stop; 635 } 636 return 0; 637 638 exit_stop: 639 hid_hw_stop(hdev); 640 exit: 641 return retval; 642 } 643 644 static void pyra_remove(struct hid_device *hdev) 645 { 646 pyra_remove_specials(hdev); 647 hid_hw_stop(hdev); 648 } 649 650 static void pyra_keep_values_up_to_date(struct pyra_device *pyra, 651 u8 const *data) 652 { 653 struct pyra_mouse_event_button const *button_event; 654 655 switch (data[0]) { 656 case PYRA_MOUSE_REPORT_NUMBER_BUTTON: 657 button_event = (struct pyra_mouse_event_button const *)data; 658 switch (button_event->type) { 659 case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: 660 profile_activated(pyra, button_event->data1 - 1); 661 break; 662 case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: 663 pyra->actual_cpi = button_event->data1; 664 break; 665 } 666 break; 667 } 668 } 669 670 static void pyra_report_to_chrdev(struct pyra_device const *pyra, 671 u8 const *data) 672 { 673 struct pyra_roccat_report roccat_report; 674 struct pyra_mouse_event_button const *button_event; 675 676 if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON) 677 return; 678 679 button_event = (struct pyra_mouse_event_button const *)data; 680 681 switch (button_event->type) { 682 case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: 683 case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: 684 roccat_report.type = button_event->type; 685 roccat_report.value = button_event->data1; 686 roccat_report.key = 0; 687 roccat_report_event(pyra->chrdev_minor, 688 (uint8_t const *)&roccat_report, 689 sizeof(struct pyra_roccat_report)); 690 break; 691 case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO: 692 case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT: 693 case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH: 694 if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) { 695 roccat_report.type = button_event->type; 696 roccat_report.key = button_event->data1; 697 /* 698 * pyra reports profile numbers with range 1-5. 699 * Keeping this behaviour. 700 */ 701 roccat_report.value = pyra->actual_profile + 1; 702 roccat_report_event(pyra->chrdev_minor, 703 (uint8_t const *)&roccat_report, 704 sizeof(struct pyra_roccat_report)); 705 } 706 break; 707 } 708 } 709 710 static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report, 711 u8 *data, int size) 712 { 713 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 714 struct pyra_device *pyra = hid_get_drvdata(hdev); 715 716 if (intf->cur_altsetting->desc.bInterfaceProtocol 717 != USB_INTERFACE_PROTOCOL_MOUSE) 718 return 0; 719 720 pyra_keep_values_up_to_date(pyra, data); 721 722 if (pyra->roccat_claimed) 723 pyra_report_to_chrdev(pyra, data); 724 725 return 0; 726 } 727 728 static const struct hid_device_id pyra_devices[] = { 729 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, 730 USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, 731 /* TODO add USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS after testing */ 732 { } 733 }; 734 735 MODULE_DEVICE_TABLE(hid, pyra_devices); 736 737 static struct hid_driver pyra_driver = { 738 .name = "pyra", 739 .id_table = pyra_devices, 740 .probe = pyra_probe, 741 .remove = pyra_remove, 742 .raw_event = pyra_raw_event 743 }; 744 745 static int __init pyra_init(void) 746 { 747 int retval; 748 749 /* class name has to be same as driver name */ 750 pyra_class = class_create(THIS_MODULE, "pyra"); 751 if (IS_ERR(pyra_class)) 752 return PTR_ERR(pyra_class); 753 pyra_class->dev_attrs = pyra_attributes; 754 pyra_class->dev_bin_attrs = pyra_bin_attributes; 755 756 retval = hid_register_driver(&pyra_driver); 757 if (retval) 758 class_destroy(pyra_class); 759 return retval; 760 } 761 762 static void __exit pyra_exit(void) 763 { 764 class_destroy(pyra_class); 765 hid_unregister_driver(&pyra_driver); 766 } 767 768 module_init(pyra_init); 769 module_exit(pyra_exit); 770 771 MODULE_AUTHOR("Stefan Achatz"); 772 MODULE_DESCRIPTION("USB Roccat Pyra driver"); 773 MODULE_LICENSE("GPL v2"); 774