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