drivers/hid/hid-roccat-pyra.c

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