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         struct pyra_roccat_report roccat_report;
 302
 303         if (off != 0 || count != sizeof(struct pyra_settings))
 304                 return -EINVAL;
 305
 306         mutex_lock(&pyra->pyra_lock);
 307         difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings));
 308         if (difference) {
 309                 retval = pyra_set_settings(usb_dev,
 310                                 (struct pyra_settings const *)buf);
 311                 if (retval) {
 312                         mutex_unlock(&pyra->pyra_lock);
 313                         return retval;
 314                 }
 315
 316                 memcpy(&pyra->settings, buf,
 317                                 sizeof(struct pyra_settings));
 318
 319                 profile_activated(pyra, pyra->settings.startup_profile);
 320
 321                 roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2;
 322                 roccat_report.value = pyra->settings.startup_profile + 1;
 323                 roccat_report.key = 0;
 324                 roccat_report_event(pyra->chrdev_minor,
 325                                 (uint8_t const *)&roccat_report);
 326         }
 327         mutex_unlock(&pyra->pyra_lock);
 328         return sizeof(struct pyra_settings);
 329 }
 330
 331
 332 static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev,
 333                 struct device_attribute *attr, char *buf)
 334 {
 335         struct pyra_device *pyra =
 336                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 337         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi);
 338 }
 339
 340 static ssize_t pyra_sysfs_show_actual_profile(struct device *dev,
 341                 struct device_attribute *attr, char *buf)
 342 {
 343         struct pyra_device *pyra =
 344                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 345         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile);
 346 }
 347
 348 static ssize_t pyra_sysfs_show_firmware_version(struct device *dev,
 349                 struct device_attribute *attr, char *buf)
 350 {
 351         struct pyra_device *pyra =
 352                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 353         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version);
 354 }
 355
 356 static ssize_t pyra_sysfs_show_startup_profile(struct device *dev,
 357                 struct device_attribute *attr, char *buf)
 358 {
 359         struct pyra_device *pyra =
 360                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 361         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile);
 362 }
 363
 364 static struct device_attribute pyra_attributes[] = {
 365         __ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL),
 366         __ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL),
 367         __ATTR(firmware_version, 0440,
 368                         pyra_sysfs_show_firmware_version, NULL),
 369         __ATTR(startup_profile, 0440,
 370                         pyra_sysfs_show_startup_profile, NULL),
 371         __ATTR_NULL
 372 };
 373
 374 static struct bin_attribute pyra_bin_attributes[] = {
 375         {
 376                 .attr = { .name = "profile_settings", .mode = 0220 },
 377                 .size = sizeof(struct pyra_profile_settings),
 378                 .write = pyra_sysfs_write_profile_settings
 379         },
 380         {
 381                 .attr = { .name = "profile1_settings", .mode = 0440 },
 382                 .size = sizeof(struct pyra_profile_settings),
 383                 .read = pyra_sysfs_read_profilex_settings,
 384                 .private = &profile_numbers[0]
 385         },
 386         {
 387                 .attr = { .name = "profile2_settings", .mode = 0440 },
 388                 .size = sizeof(struct pyra_profile_settings),
 389                 .read = pyra_sysfs_read_profilex_settings,
 390                 .private = &profile_numbers[1]
 391         },
 392         {
 393                 .attr = { .name = "profile3_settings", .mode = 0440 },
 394                 .size = sizeof(struct pyra_profile_settings),
 395                 .read = pyra_sysfs_read_profilex_settings,
 396                 .private = &profile_numbers[2]
 397         },
 398         {
 399                 .attr = { .name = "profile4_settings", .mode = 0440 },
 400                 .size = sizeof(struct pyra_profile_settings),
 401                 .read = pyra_sysfs_read_profilex_settings,
 402                 .private = &profile_numbers[3]
 403         },
 404         {
 405                 .attr = { .name = "profile5_settings", .mode = 0440 },
 406                 .size = sizeof(struct pyra_profile_settings),
 407                 .read = pyra_sysfs_read_profilex_settings,
 408                 .private = &profile_numbers[4]
 409         },
 410         {
 411                 .attr = { .name = "profile_buttons", .mode = 0220 },
 412                 .size = sizeof(struct pyra_profile_buttons),
 413                 .write = pyra_sysfs_write_profile_buttons
 414         },
 415         {
 416                 .attr = { .name = "profile1_buttons", .mode = 0440 },
 417                 .size = sizeof(struct pyra_profile_buttons),
 418                 .read = pyra_sysfs_read_profilex_buttons,
 419                 .private = &profile_numbers[0]
 420         },
 421         {
 422                 .attr = { .name = "profile2_buttons", .mode = 0440 },
 423                 .size = sizeof(struct pyra_profile_buttons),
 424                 .read = pyra_sysfs_read_profilex_buttons,
 425                 .private = &profile_numbers[1]
 426         },
 427         {
 428                 .attr = { .name = "profile3_buttons", .mode = 0440 },
 429                 .size = sizeof(struct pyra_profile_buttons),
 430                 .read = pyra_sysfs_read_profilex_buttons,
 431                 .private = &profile_numbers[2]
 432         },
 433         {
 434                 .attr = { .name = "profile4_buttons", .mode = 0440 },
 435                 .size = sizeof(struct pyra_profile_buttons),
 436                 .read = pyra_sysfs_read_profilex_buttons,
 437                 .private = &profile_numbers[3]
 438         },
 439         {
 440                 .attr = { .name = "profile5_buttons", .mode = 0440 },
 441                 .size = sizeof(struct pyra_profile_buttons),
 442                 .read = pyra_sysfs_read_profilex_buttons,
 443                 .private = &profile_numbers[4]
 444         },
 445         {
 446                 .attr = { .name = "settings", .mode = 0660 },
 447                 .size = sizeof(struct pyra_settings),
 448                 .read = pyra_sysfs_read_settings,
 449                 .write = pyra_sysfs_write_settings
 450         },
 451         __ATTR_NULL
 452 };
 453
 454 static int pyra_init_pyra_device_struct(struct usb_device *usb_dev,
 455                 struct pyra_device *pyra)
 456 {
 457         struct pyra_info info;
 458         int retval, i;
 459
 460         mutex_init(&pyra->pyra_lock);
 461
 462         retval = pyra_get_info(usb_dev, &info);
 463         if (retval)
 464                 return retval;
 465
 466         pyra->firmware_version = info.firmware_version;
 467
 468         retval = pyra_get_settings(usb_dev, &pyra->settings);
 469         if (retval)
 470                 return retval;
 471
 472         for (i = 0; i < 5; ++i) {
 473                 retval = pyra_get_profile_settings(usb_dev,
 474                                 &pyra->profile_settings[i], i);
 475                 if (retval)
 476                         return retval;
 477
 478                 retval = pyra_get_profile_buttons(usb_dev,
 479                                 &pyra->profile_buttons[i], i);
 480                 if (retval)
 481                         return retval;
 482         }
 483
 484         profile_activated(pyra, pyra->settings.startup_profile);
 485
 486         return 0;
 487 }
 488
 489 static int pyra_init_specials(struct hid_device *hdev)
 490 {
 491         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 492         struct usb_device *usb_dev = interface_to_usbdev(intf);
 493         struct pyra_device *pyra;
 494         int retval;
 495
 496         if (intf->cur_altsetting->desc.bInterfaceProtocol
 497                         == USB_INTERFACE_PROTOCOL_MOUSE) {
 498
 499                 pyra = kzalloc(sizeof(*pyra), GFP_KERNEL);
 500                 if (!pyra) {
 501                         hid_err(hdev, "can't alloc device descriptor\n");
 502                         return -ENOMEM;
 503                 }
 504                 hid_set_drvdata(hdev, pyra);
 505
 506                 retval = pyra_init_pyra_device_struct(usb_dev, pyra);
 507                 if (retval) {
 508                         hid_err(hdev, "couldn't init struct pyra_device\n");
 509                         goto exit_free;
 510                 }
 511
 512                 retval = roccat_connect(pyra_class, hdev,
 513                                 sizeof(struct pyra_roccat_report));
 514                 if (retval < 0) {
 515                         hid_err(hdev, "couldn't init char dev\n");
 516                 } else {
 517                         pyra->chrdev_minor = retval;
 518                         pyra->roccat_claimed = 1;
 519                 }
 520         } else {
 521                 hid_set_drvdata(hdev, NULL);
 522         }
 523
 524         return 0;
 525 exit_free:
 526         kfree(pyra);
 527         return retval;
 528 }
 529
 530 static void pyra_remove_specials(struct hid_device *hdev)
 531 {
 532         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 533         struct pyra_device *pyra;
 534
 535         if (intf->cur_altsetting->desc.bInterfaceProtocol
 536                         == USB_INTERFACE_PROTOCOL_MOUSE) {
 537                 pyra = hid_get_drvdata(hdev);
 538                 if (pyra->roccat_claimed)
 539                         roccat_disconnect(pyra->chrdev_minor);
 540                 kfree(hid_get_drvdata(hdev));
 541         }
 542 }
 543
 544 static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id)
 545 {
 546         int retval;
 547
 548         retval = hid_parse(hdev);
 549         if (retval) {
 550                 hid_err(hdev, "parse failed\n");
 551                 goto exit;
 552         }
 553
 554         retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 555         if (retval) {
 556                 hid_err(hdev, "hw start failed\n");
 557                 goto exit;
 558         }
 559
 560         retval = pyra_init_specials(hdev);
 561         if (retval) {
 562                 hid_err(hdev, "couldn't install mouse\n");
 563                 goto exit_stop;
 564         }
 565         return 0;
 566
 567 exit_stop:
 568         hid_hw_stop(hdev);
 569 exit:
 570         return retval;
 571 }
 572
 573 static void pyra_remove(struct hid_device *hdev)
 574 {
 575         pyra_remove_specials(hdev);
 576         hid_hw_stop(hdev);
 577 }
 578
 579 static void pyra_keep_values_up_to_date(struct pyra_device *pyra,
 580                 u8 const *data)
 581 {
 582         struct pyra_mouse_event_button const *button_event;
 583
 584         switch (data[0]) {
 585         case PYRA_MOUSE_REPORT_NUMBER_BUTTON:
 586                 button_event = (struct pyra_mouse_event_button const *)data;
 587                 switch (button_event->type) {
 588                 case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
 589                         profile_activated(pyra, button_event->data1 - 1);
 590                         break;
 591                 case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
 592                         pyra->actual_cpi = button_event->data1;
 593                         break;
 594                 }
 595                 break;
 596         }
 597 }
 598
 599 static void pyra_report_to_chrdev(struct pyra_device const *pyra,
 600                 u8 const *data)
 601 {
 602         struct pyra_roccat_report roccat_report;
 603         struct pyra_mouse_event_button const *button_event;
 604
 605         if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON)
 606                 return;
 607
 608         button_event = (struct pyra_mouse_event_button const *)data;
 609
 610         switch (button_event->type) {
 611         case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
 612         case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
 613                 roccat_report.type = button_event->type;
 614                 roccat_report.value = button_event->data1;
 615                 roccat_report.key = 0;
 616                 roccat_report_event(pyra->chrdev_minor,
 617                                 (uint8_t const *)&roccat_report);
 618                 break;
 619         case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO:
 620         case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT:
 621         case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH:
 622                 if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) {
 623                         roccat_report.type = button_event->type;
 624                         roccat_report.key = button_event->data1;
 625                         /*
 626                          * pyra reports profile numbers with range 1-5.
 627                          * Keeping this behaviour.
 628                          */
 629                         roccat_report.value = pyra->actual_profile + 1;
 630                         roccat_report_event(pyra->chrdev_minor,
 631                                         (uint8_t const *)&roccat_report);
 632                 }
 633                 break;
 634         }
 635 }
 636
 637 static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report,
 638                 u8 *data, int size)
 639 {
 640         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 641         struct pyra_device *pyra = hid_get_drvdata(hdev);
 642
 643         if (intf->cur_altsetting->desc.bInterfaceProtocol
 644                         != USB_INTERFACE_PROTOCOL_MOUSE)
 645                 return 0;
 646
 647         if (pyra == NULL)
 648                 return 0;
 649
 650         pyra_keep_values_up_to_date(pyra, data);
 651
 652         if (pyra->roccat_claimed)
 653                 pyra_report_to_chrdev(pyra, data);
 654
 655         return 0;
 656 }
 657
 658 static const struct hid_device_id pyra_devices[] = {
 659         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
 660                         USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
 661         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
 662                         USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
 663         { }
 664 };
 665
 666 MODULE_DEVICE_TABLE(hid, pyra_devices);
 667
 668 static struct hid_driver pyra_driver = {
 669                 .name = "pyra",
 670                 .id_table = pyra_devices,
 671                 .probe = pyra_probe,
 672                 .remove = pyra_remove,
 673                 .raw_event = pyra_raw_event
 674 };
 675
 676 static int __init pyra_init(void)
 677 {
 678         int retval;
 679
 680         /* class name has to be same as driver name */
 681         pyra_class = class_create(THIS_MODULE, "pyra");
 682         if (IS_ERR(pyra_class))
 683                 return PTR_ERR(pyra_class);
 684         pyra_class->dev_attrs = pyra_attributes;
 685         pyra_class->dev_bin_attrs = pyra_bin_attributes;
 686
 687         retval = hid_register_driver(&pyra_driver);
 688         if (retval)
 689                 class_destroy(pyra_class);
 690         return retval;
 691 }
 692
 693 static void __exit pyra_exit(void)
 694 {
 695         hid_unregister_driver(&pyra_driver);
 696         class_destroy(pyra_class);
 697 }
 698
 699 module_init(pyra_init);
 700 module_exit(pyra_exit);
 701
 702 MODULE_AUTHOR("Stefan Achatz");
 703 MODULE_DESCRIPTION("USB Roccat Pyra driver");
 704 MODULE_LICENSE("GPL v2");