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         if (new_profile >= ARRAY_SIZE(pyra->profile_settings))
  39                 return;
  40         pyra->actual_profile = new_profile;
  41         pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi;
  42 }
  43
  44 static int pyra_send_control(struct usb_device *usb_dev, int value,
  45                 enum pyra_control_requests request)
  46 {
  47         struct roccat_common2_control control;
  48
  49         if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS ||
  50                         request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) &&
  51                         (value < 0 || value > 4))
  52                 return -EINVAL;
  53
  54         control.command = ROCCAT_COMMON_COMMAND_CONTROL;
  55         control.value = value;
  56         control.request = request;
  57
  58         return roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL,
  59                         &control, sizeof(struct roccat_common2_control));
  60 }
  61
  62 static int pyra_get_profile_settings(struct usb_device *usb_dev,
  63                 struct pyra_profile_settings *buf, int number)
  64 {
  65         int retval;
  66         retval = pyra_send_control(usb_dev, number,
  67                         PYRA_CONTROL_REQUEST_PROFILE_SETTINGS);
  68         if (retval)
  69                 return retval;
  70         return roccat_common2_receive(usb_dev, PYRA_COMMAND_PROFILE_SETTINGS,
  71                         buf, PYRA_SIZE_PROFILE_SETTINGS);
  72 }
  73
  74 static int pyra_get_settings(struct usb_device *usb_dev,
  75                 struct pyra_settings *buf)
  76 {
  77         return roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS,
  78                         buf, PYRA_SIZE_SETTINGS);
  79 }
  80
  81 static int pyra_set_settings(struct usb_device *usb_dev,
  82                 struct pyra_settings const *settings)
  83 {
  84         return roccat_common2_send_with_status(usb_dev,
  85                         PYRA_COMMAND_SETTINGS, settings,
  86                         PYRA_SIZE_SETTINGS);
  87 }
  88
  89 static ssize_t pyra_sysfs_read(struct file *fp, struct kobject *kobj,
  90                 char *buf, loff_t off, size_t count,
  91                 size_t real_size, uint command)
  92 {
  93         struct device *dev =
  94                         container_of(kobj, struct device, kobj)->parent->parent;
  95         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
  96         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
  97         int retval;
  98
  99         if (off >= real_size)
 100                 return 0;
 101
 102         if (off != 0 || count != real_size)
 103                 return -EINVAL;
 104
 105         mutex_lock(&pyra->pyra_lock);
 106         retval = roccat_common2_receive(usb_dev, command, buf, real_size);
 107         mutex_unlock(&pyra->pyra_lock);
 108
 109         if (retval)
 110                 return retval;
 111
 112         return real_size;
 113 }
 114
 115 static ssize_t pyra_sysfs_write(struct file *fp, struct kobject *kobj,
 116                 void const *buf, loff_t off, size_t count,
 117                 size_t real_size, uint command)
 118 {
 119         struct device *dev =
 120                         container_of(kobj, struct device, kobj)->parent->parent;
 121         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
 122         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 123         int retval;
 124
 125         if (off != 0 || count != real_size)
 126                 return -EINVAL;
 127
 128         mutex_lock(&pyra->pyra_lock);
 129         retval = roccat_common2_send_with_status(usb_dev, command, (void *)buf, real_size);
 130         mutex_unlock(&pyra->pyra_lock);
 131
 132         if (retval)
 133                 return retval;
 134
 135         return real_size;
 136 }
 137
 138 #define PYRA_SYSFS_W(thingy, THINGY) \
 139 static ssize_t pyra_sysfs_write_ ## thingy(struct file *fp, \
 140                 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
 141                 loff_t off, size_t count) \
 142 { \
 143         return pyra_sysfs_write(fp, kobj, buf, off, count, \
 144                         PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
 145 }
 146
 147 #define PYRA_SYSFS_R(thingy, THINGY) \
 148 static ssize_t pyra_sysfs_read_ ## thingy(struct file *fp, \
 149                 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
 150                 loff_t off, size_t count) \
 151 { \
 152         return pyra_sysfs_read(fp, kobj, buf, off, count, \
 153                         PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
 154 }
 155
 156 #define PYRA_SYSFS_RW(thingy, THINGY) \
 157 PYRA_SYSFS_W(thingy, THINGY) \
 158 PYRA_SYSFS_R(thingy, THINGY)
 159
 160 #define PYRA_BIN_ATTRIBUTE_RW(thingy, THINGY) \
 161 { \
 162         .attr = { .name = #thingy, .mode = 0660 }, \
 163         .size = PYRA_SIZE_ ## THINGY, \
 164         .read = pyra_sysfs_read_ ## thingy, \
 165         .write = pyra_sysfs_write_ ## thingy \
 166 }
 167
 168 #define PYRA_BIN_ATTRIBUTE_R(thingy, THINGY) \
 169 { \
 170         .attr = { .name = #thingy, .mode = 0440 }, \
 171         .size = PYRA_SIZE_ ## THINGY, \
 172         .read = pyra_sysfs_read_ ## thingy, \
 173 }
 174
 175 #define PYRA_BIN_ATTRIBUTE_W(thingy, THINGY) \
 176 { \
 177         .attr = { .name = #thingy, .mode = 0220 }, \
 178         .size = PYRA_SIZE_ ## THINGY, \
 179         .write = pyra_sysfs_write_ ## thingy \
 180 }
 181
 182 PYRA_SYSFS_W(control, CONTROL)
 183 PYRA_SYSFS_RW(info, INFO)
 184 PYRA_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
 185 PYRA_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
 186 PYRA_SYSFS_R(settings, SETTINGS)
 187
 188 static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp,
 189                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
 190                 loff_t off, size_t count)
 191 {
 192         struct device *dev =
 193                         container_of(kobj, struct device, kobj)->parent->parent;
 194         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 195         ssize_t retval;
 196
 197         retval = pyra_send_control(usb_dev, *(uint *)(attr->private),
 198                         PYRA_CONTROL_REQUEST_PROFILE_SETTINGS);
 199         if (retval)
 200                 return retval;
 201
 202         return pyra_sysfs_read(fp, kobj, buf, off, count,
 203                         PYRA_SIZE_PROFILE_SETTINGS,
 204                         PYRA_COMMAND_PROFILE_SETTINGS);
 205 }
 206
 207 static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
 208                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
 209                 loff_t off, size_t count)
 210 {
 211         struct device *dev =
 212                         container_of(kobj, struct device, kobj)->parent->parent;
 213         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 214         ssize_t retval;
 215
 216         retval = pyra_send_control(usb_dev, *(uint *)(attr->private),
 217                         PYRA_CONTROL_REQUEST_PROFILE_BUTTONS);
 218         if (retval)
 219                 return retval;
 220
 221         return pyra_sysfs_read(fp, kobj, buf, off, count,
 222                         PYRA_SIZE_PROFILE_BUTTONS,
 223                         PYRA_COMMAND_PROFILE_BUTTONS);
 224 }
 225
 226 static ssize_t pyra_sysfs_write_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         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 234         int retval = 0;
 235         struct pyra_roccat_report roccat_report;
 236         struct pyra_settings const *settings;
 237
 238         if (off != 0 || count != PYRA_SIZE_SETTINGS)
 239                 return -EINVAL;
 240
 241         settings = (struct pyra_settings const *)buf;
 242         if (settings->startup_profile >= ARRAY_SIZE(pyra->profile_settings))
 243                 return -EINVAL;
 244
 245         mutex_lock(&pyra->pyra_lock);
 246
 247         retval = pyra_set_settings(usb_dev, settings);
 248         if (retval) {
 249                 mutex_unlock(&pyra->pyra_lock);
 250                 return retval;
 251         }
 252
 253         profile_activated(pyra, settings->startup_profile);
 254
 255         roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2;
 256         roccat_report.value = settings->startup_profile + 1;
 257         roccat_report.key = 0;
 258         roccat_report_event(pyra->chrdev_minor,
 259                         (uint8_t const *)&roccat_report);
 260
 261         mutex_unlock(&pyra->pyra_lock);
 262         return PYRA_SIZE_SETTINGS;
 263 }
 264
 265
 266 static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev,
 267                 struct device_attribute *attr, char *buf)
 268 {
 269         struct pyra_device *pyra =
 270                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 271         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi);
 272 }
 273
 274 static ssize_t pyra_sysfs_show_actual_profile(struct device *dev,
 275                 struct device_attribute *attr, char *buf)
 276 {
 277         struct pyra_device *pyra =
 278                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 279         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 280         struct pyra_settings settings;
 281
 282         mutex_lock(&pyra->pyra_lock);
 283         roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS,
 284                         &settings, PYRA_SIZE_SETTINGS);
 285         mutex_unlock(&pyra->pyra_lock);
 286
 287         return snprintf(buf, PAGE_SIZE, "%d\n", settings.startup_profile);
 288 }
 289
 290 static ssize_t pyra_sysfs_show_firmware_version(struct device *dev,
 291                 struct device_attribute *attr, char *buf)
 292 {
 293         struct pyra_device *pyra;
 294         struct usb_device *usb_dev;
 295         struct pyra_info info;
 296
 297         dev = dev->parent->parent;
 298         pyra = hid_get_drvdata(dev_get_drvdata(dev));
 299         usb_dev = interface_to_usbdev(to_usb_interface(dev));
 300
 301         mutex_lock(&pyra->pyra_lock);
 302         roccat_common2_receive(usb_dev, PYRA_COMMAND_INFO,
 303                         &info, PYRA_SIZE_INFO);
 304         mutex_unlock(&pyra->pyra_lock);
 305
 306         return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
 307 }
 308
 309 static struct device_attribute pyra_attributes[] = {
 310         __ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL),
 311         __ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL),
 312         __ATTR(firmware_version, 0440,
 313                         pyra_sysfs_show_firmware_version, NULL),
 314         __ATTR(startup_profile, 0440,
 315                         pyra_sysfs_show_actual_profile, NULL),
 316         __ATTR_NULL
 317 };
 318
 319 static struct bin_attribute pyra_bin_attributes[] = {
 320         PYRA_BIN_ATTRIBUTE_W(control, CONTROL),
 321         PYRA_BIN_ATTRIBUTE_RW(info, INFO),
 322         PYRA_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
 323         PYRA_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
 324         PYRA_BIN_ATTRIBUTE_RW(settings, SETTINGS),
 325         {
 326                 .attr = { .name = "profile1_settings", .mode = 0440 },
 327                 .size = PYRA_SIZE_PROFILE_SETTINGS,
 328                 .read = pyra_sysfs_read_profilex_settings,
 329                 .private = &profile_numbers[0]
 330         },
 331         {
 332                 .attr = { .name = "profile2_settings", .mode = 0440 },
 333                 .size = PYRA_SIZE_PROFILE_SETTINGS,
 334                 .read = pyra_sysfs_read_profilex_settings,
 335                 .private = &profile_numbers[1]
 336         },
 337         {
 338                 .attr = { .name = "profile3_settings", .mode = 0440 },
 339                 .size = PYRA_SIZE_PROFILE_SETTINGS,
 340                 .read = pyra_sysfs_read_profilex_settings,
 341                 .private = &profile_numbers[2]
 342         },
 343         {
 344                 .attr = { .name = "profile4_settings", .mode = 0440 },
 345                 .size = PYRA_SIZE_PROFILE_SETTINGS,
 346                 .read = pyra_sysfs_read_profilex_settings,
 347                 .private = &profile_numbers[3]
 348         },
 349         {
 350                 .attr = { .name = "profile5_settings", .mode = 0440 },
 351                 .size = PYRA_SIZE_PROFILE_SETTINGS,
 352                 .read = pyra_sysfs_read_profilex_settings,
 353                 .private = &profile_numbers[4]
 354         },
 355         {
 356                 .attr = { .name = "profile1_buttons", .mode = 0440 },
 357                 .size = PYRA_SIZE_PROFILE_BUTTONS,
 358                 .read = pyra_sysfs_read_profilex_buttons,
 359                 .private = &profile_numbers[0]
 360         },
 361         {
 362                 .attr = { .name = "profile2_buttons", .mode = 0440 },
 363                 .size = PYRA_SIZE_PROFILE_BUTTONS,
 364                 .read = pyra_sysfs_read_profilex_buttons,
 365                 .private = &profile_numbers[1]
 366         },
 367         {
 368                 .attr = { .name = "profile3_buttons", .mode = 0440 },
 369                 .size = PYRA_SIZE_PROFILE_BUTTONS,
 370                 .read = pyra_sysfs_read_profilex_buttons,
 371                 .private = &profile_numbers[2]
 372         },
 373         {
 374                 .attr = { .name = "profile4_buttons", .mode = 0440 },
 375                 .size = PYRA_SIZE_PROFILE_BUTTONS,
 376                 .read = pyra_sysfs_read_profilex_buttons,
 377                 .private = &profile_numbers[3]
 378         },
 379         {
 380                 .attr = { .name = "profile5_buttons", .mode = 0440 },
 381                 .size = PYRA_SIZE_PROFILE_BUTTONS,
 382                 .read = pyra_sysfs_read_profilex_buttons,
 383                 .private = &profile_numbers[4]
 384         },
 385         __ATTR_NULL
 386 };
 387
 388 static int pyra_init_pyra_device_struct(struct usb_device *usb_dev,
 389                 struct pyra_device *pyra)
 390 {
 391         struct pyra_settings settings;
 392         int retval, i;
 393
 394         mutex_init(&pyra->pyra_lock);
 395
 396         retval = pyra_get_settings(usb_dev, &settings);
 397         if (retval)
 398                 return retval;
 399
 400         for (i = 0; i < 5; ++i) {
 401                 retval = pyra_get_profile_settings(usb_dev,
 402                                 &pyra->profile_settings[i], i);
 403                 if (retval)
 404                         return retval;
 405         }
 406
 407         profile_activated(pyra, settings.startup_profile);
 408
 409         return 0;
 410 }
 411
 412 static int pyra_init_specials(struct hid_device *hdev)
 413 {
 414         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 415         struct usb_device *usb_dev = interface_to_usbdev(intf);
 416         struct pyra_device *pyra;
 417         int retval;
 418
 419         if (intf->cur_altsetting->desc.bInterfaceProtocol
 420                         == USB_INTERFACE_PROTOCOL_MOUSE) {
 421
 422                 pyra = kzalloc(sizeof(*pyra), GFP_KERNEL);
 423                 if (!pyra) {
 424                         hid_err(hdev, "can't alloc device descriptor\n");
 425                         return -ENOMEM;
 426                 }
 427                 hid_set_drvdata(hdev, pyra);
 428
 429                 retval = pyra_init_pyra_device_struct(usb_dev, pyra);
 430                 if (retval) {
 431                         hid_err(hdev, "couldn't init struct pyra_device\n");
 432                         goto exit_free;
 433                 }
 434
 435                 retval = roccat_connect(pyra_class, hdev,
 436                                 sizeof(struct pyra_roccat_report));
 437                 if (retval < 0) {
 438                         hid_err(hdev, "couldn't init char dev\n");
 439                 } else {
 440                         pyra->chrdev_minor = retval;
 441                         pyra->roccat_claimed = 1;
 442                 }
 443         } else {
 444                 hid_set_drvdata(hdev, NULL);
 445         }
 446
 447         return 0;
 448 exit_free:
 449         kfree(pyra);
 450         return retval;
 451 }
 452
 453 static void pyra_remove_specials(struct hid_device *hdev)
 454 {
 455         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 456         struct pyra_device *pyra;
 457
 458         if (intf->cur_altsetting->desc.bInterfaceProtocol
 459                         == USB_INTERFACE_PROTOCOL_MOUSE) {
 460                 pyra = hid_get_drvdata(hdev);
 461                 if (pyra->roccat_claimed)
 462                         roccat_disconnect(pyra->chrdev_minor);
 463                 kfree(hid_get_drvdata(hdev));
 464         }
 465 }
 466
 467 static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id)
 468 {
 469         int retval;
 470
 471         retval = hid_parse(hdev);
 472         if (retval) {
 473                 hid_err(hdev, "parse failed\n");
 474                 goto exit;
 475         }
 476
 477         retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 478         if (retval) {
 479                 hid_err(hdev, "hw start failed\n");
 480                 goto exit;
 481         }
 482
 483         retval = pyra_init_specials(hdev);
 484         if (retval) {
 485                 hid_err(hdev, "couldn't install mouse\n");
 486                 goto exit_stop;
 487         }
 488         return 0;
 489
 490 exit_stop:
 491         hid_hw_stop(hdev);
 492 exit:
 493         return retval;
 494 }
 495
 496 static void pyra_remove(struct hid_device *hdev)
 497 {
 498         pyra_remove_specials(hdev);
 499         hid_hw_stop(hdev);
 500 }
 501
 502 static void pyra_keep_values_up_to_date(struct pyra_device *pyra,
 503                 u8 const *data)
 504 {
 505         struct pyra_mouse_event_button const *button_event;
 506
 507         switch (data[0]) {
 508         case PYRA_MOUSE_REPORT_NUMBER_BUTTON:
 509                 button_event = (struct pyra_mouse_event_button const *)data;
 510                 switch (button_event->type) {
 511                 case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
 512                         profile_activated(pyra, button_event->data1 - 1);
 513                         break;
 514                 case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
 515                         pyra->actual_cpi = button_event->data1;
 516                         break;
 517                 }
 518                 break;
 519         }
 520 }
 521
 522 static void pyra_report_to_chrdev(struct pyra_device const *pyra,
 523                 u8 const *data)
 524 {
 525         struct pyra_roccat_report roccat_report;
 526         struct pyra_mouse_event_button const *button_event;
 527
 528         if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON)
 529                 return;
 530
 531         button_event = (struct pyra_mouse_event_button const *)data;
 532
 533         switch (button_event->type) {
 534         case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
 535         case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
 536                 roccat_report.type = button_event->type;
 537                 roccat_report.value = button_event->data1;
 538                 roccat_report.key = 0;
 539                 roccat_report_event(pyra->chrdev_minor,
 540                                 (uint8_t const *)&roccat_report);
 541                 break;
 542         case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO:
 543         case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT:
 544         case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH:
 545                 if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) {
 546                         roccat_report.type = button_event->type;
 547                         roccat_report.key = button_event->data1;
 548                         /*
 549                          * pyra reports profile numbers with range 1-5.
 550                          * Keeping this behaviour.
 551                          */
 552                         roccat_report.value = pyra->actual_profile + 1;
 553                         roccat_report_event(pyra->chrdev_minor,
 554                                         (uint8_t const *)&roccat_report);
 555                 }
 556                 break;
 557         }
 558 }
 559
 560 static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report,
 561                 u8 *data, int size)
 562 {
 563         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 564         struct pyra_device *pyra = hid_get_drvdata(hdev);
 565
 566         if (intf->cur_altsetting->desc.bInterfaceProtocol
 567                         != USB_INTERFACE_PROTOCOL_MOUSE)
 568                 return 0;
 569
 570         if (pyra == NULL)
 571                 return 0;
 572
 573         pyra_keep_values_up_to_date(pyra, data);
 574
 575         if (pyra->roccat_claimed)
 576                 pyra_report_to_chrdev(pyra, data);
 577
 578         return 0;
 579 }
 580
 581 static const struct hid_device_id pyra_devices[] = {
 582         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
 583                         USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
 584         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
 585                         USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
 586         { }
 587 };
 588
 589 MODULE_DEVICE_TABLE(hid, pyra_devices);
 590
 591 static struct hid_driver pyra_driver = {
 592                 .name = "pyra",
 593                 .id_table = pyra_devices,
 594                 .probe = pyra_probe,
 595                 .remove = pyra_remove,
 596                 .raw_event = pyra_raw_event
 597 };
 598
 599 static int __init pyra_init(void)
 600 {
 601         int retval;
 602
 603         /* class name has to be same as driver name */
 604         pyra_class = class_create(THIS_MODULE, "pyra");
 605         if (IS_ERR(pyra_class))
 606                 return PTR_ERR(pyra_class);
 607         pyra_class->dev_attrs = pyra_attributes;
 608         pyra_class->dev_bin_attrs = pyra_bin_attributes;
 609
 610         retval = hid_register_driver(&pyra_driver);
 611         if (retval)
 612                 class_destroy(pyra_class);
 613         return retval;
 614 }
 615
 616 static void __exit pyra_exit(void)
 617 {
 618         hid_unregister_driver(&pyra_driver);
 619         class_destroy(pyra_class);
 620 }
 621
 622 module_init(pyra_init);
 623 module_exit(pyra_exit);
 624
 625 MODULE_AUTHOR("Stefan Achatz");
 626 MODULE_DESCRIPTION("USB Roccat Pyra driver");
 627 MODULE_LICENSE("GPL v2");