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_USB_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_USB_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_USB_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_USB_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_USB_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_USB_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_USB_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_USB_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         int retval;
 149         retval = roccat_common_send(usb_dev, PYRA_USB_COMMAND_SETTINGS, settings,
 150                         sizeof(struct pyra_settings));
 151         if (retval)
 152                 return retval;
 153         return pyra_receive_control_status(usb_dev);
 154 }
 155
 156 static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp,
 157                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
 158                 loff_t off, size_t count)
 159 {
 160         struct device *dev =
 161                         container_of(kobj, struct device, kobj)->parent->parent;
 162         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
 163
 164         if (off >= sizeof(struct pyra_profile_settings))
 165                 return 0;
 166
 167         if (off + count > sizeof(struct pyra_profile_settings))
 168                 count = sizeof(struct pyra_profile_settings) - off;
 169
 170         mutex_lock(&pyra->pyra_lock);
 171         memcpy(buf, ((char const *)&pyra->profile_settings[*(uint *)(attr->private)]) + off,
 172                         count);
 173         mutex_unlock(&pyra->pyra_lock);
 174
 175         return count;
 176 }
 177
 178 static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
 179                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
 180                 loff_t off, size_t count)
 181 {
 182         struct device *dev =
 183                         container_of(kobj, struct device, kobj)->parent->parent;
 184         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
 185
 186         if (off >= sizeof(struct pyra_profile_buttons))
 187                 return 0;
 188
 189         if (off + count > sizeof(struct pyra_profile_buttons))
 190                 count = sizeof(struct pyra_profile_buttons) - off;
 191
 192         mutex_lock(&pyra->pyra_lock);
 193         memcpy(buf, ((char const *)&pyra->profile_buttons[*(uint *)(attr->private)]) + off,
 194                         count);
 195         mutex_unlock(&pyra->pyra_lock);
 196
 197         return count;
 198 }
 199
 200 static ssize_t pyra_sysfs_write_profile_settings(struct file *fp,
 201                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
 202                 loff_t off, size_t count)
 203 {
 204         struct device *dev =
 205                         container_of(kobj, struct device, kobj)->parent->parent;
 206         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
 207         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 208         int retval = 0;
 209         int difference;
 210         int profile_number;
 211         struct pyra_profile_settings *profile_settings;
 212
 213         if (off != 0 || count != sizeof(struct pyra_profile_settings))
 214                 return -EINVAL;
 215
 216         profile_number = ((struct pyra_profile_settings const *)buf)->number;
 217         profile_settings = &pyra->profile_settings[profile_number];
 218
 219         mutex_lock(&pyra->pyra_lock);
 220         difference = memcmp(buf, profile_settings,
 221                         sizeof(struct pyra_profile_settings));
 222         if (difference) {
 223                 retval = pyra_set_profile_settings(usb_dev,
 224                                 (struct pyra_profile_settings const *)buf);
 225                 if (!retval)
 226                         memcpy(profile_settings, buf,
 227                                         sizeof(struct pyra_profile_settings));
 228         }
 229         mutex_unlock(&pyra->pyra_lock);
 230
 231         if (retval)
 232                 return retval;
 233
 234         return sizeof(struct pyra_profile_settings);
 235 }
 236
 237 static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp,
 238                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
 239                 loff_t off, size_t count)
 240 {
 241         struct device *dev =
 242                         container_of(kobj, struct device, kobj)->parent->parent;
 243         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
 244         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 245         int retval = 0;
 246         int difference;
 247         int profile_number;
 248         struct pyra_profile_buttons *profile_buttons;
 249
 250         if (off != 0 || count != sizeof(struct pyra_profile_buttons))
 251                 return -EINVAL;
 252
 253         profile_number = ((struct pyra_profile_buttons const *)buf)->number;
 254         profile_buttons = &pyra->profile_buttons[profile_number];
 255
 256         mutex_lock(&pyra->pyra_lock);
 257         difference = memcmp(buf, profile_buttons,
 258                         sizeof(struct pyra_profile_buttons));
 259         if (difference) {
 260                 retval = pyra_set_profile_buttons(usb_dev,
 261                                 (struct pyra_profile_buttons const *)buf);
 262                 if (!retval)
 263                         memcpy(profile_buttons, buf,
 264                                         sizeof(struct pyra_profile_buttons));
 265         }
 266         mutex_unlock(&pyra->pyra_lock);
 267
 268         if (retval)
 269                 return retval;
 270
 271         return sizeof(struct pyra_profile_buttons);
 272 }
 273
 274 static ssize_t pyra_sysfs_read_settings(struct file *fp,
 275                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
 276                 loff_t off, size_t count)
 277 {
 278         struct device *dev =
 279                         container_of(kobj, struct device, kobj)->parent->parent;
 280         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
 281
 282         if (off >= sizeof(struct pyra_settings))
 283                 return 0;
 284
 285         if (off + count > sizeof(struct pyra_settings))
 286                 count = sizeof(struct pyra_settings) - off;
 287
 288         mutex_lock(&pyra->pyra_lock);
 289         memcpy(buf, ((char const *)&pyra->settings) + off, count);
 290         mutex_unlock(&pyra->pyra_lock);
 291
 292         return count;
 293 }
 294
 295 static ssize_t pyra_sysfs_write_settings(struct file *fp,
 296                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
 297                 loff_t off, size_t count)
 298 {
 299         struct device *dev =
 300                         container_of(kobj, struct device, kobj)->parent->parent;
 301         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
 302         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 303         int retval = 0;
 304         int difference;
 305
 306         if (off != 0 || count != sizeof(struct pyra_settings))
 307                 return -EINVAL;
 308
 309         mutex_lock(&pyra->pyra_lock);
 310         difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings));
 311         if (difference) {
 312                 retval = pyra_set_settings(usb_dev,
 313                                 (struct pyra_settings const *)buf);
 314                 if (!retval)
 315                         memcpy(&pyra->settings, buf,
 316                                         sizeof(struct pyra_settings));
 317         }
 318         mutex_unlock(&pyra->pyra_lock);
 319
 320         if (retval)
 321                 return retval;
 322
 323         profile_activated(pyra, pyra->settings.startup_profile);
 324
 325         return sizeof(struct pyra_settings);
 326 }
 327
 328
 329 static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev,
 330                 struct device_attribute *attr, char *buf)
 331 {
 332         struct pyra_device *pyra =
 333                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 334         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi);
 335 }
 336
 337 static ssize_t pyra_sysfs_show_actual_profile(struct device *dev,
 338                 struct device_attribute *attr, char *buf)
 339 {
 340         struct pyra_device *pyra =
 341                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 342         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile);
 343 }
 344
 345 static ssize_t pyra_sysfs_show_firmware_version(struct device *dev,
 346                 struct device_attribute *attr, char *buf)
 347 {
 348         struct pyra_device *pyra =
 349                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 350         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version);
 351 }
 352
 353 static ssize_t pyra_sysfs_show_startup_profile(struct device *dev,
 354                 struct device_attribute *attr, char *buf)
 355 {
 356         struct pyra_device *pyra =
 357                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 358         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile);
 359 }
 360
 361 static struct device_attribute pyra_attributes[] = {
 362         __ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL),
 363         __ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL),
 364         __ATTR(firmware_version, 0440,
 365                         pyra_sysfs_show_firmware_version, NULL),
 366         __ATTR(startup_profile, 0440,
 367                         pyra_sysfs_show_startup_profile, NULL),
 368         __ATTR_NULL
 369 };
 370
 371 static struct bin_attribute pyra_bin_attributes[] = {
 372         {
 373                 .attr = { .name = "profile_settings", .mode = 0220 },
 374                 .size = sizeof(struct pyra_profile_settings),
 375                 .write = pyra_sysfs_write_profile_settings
 376         },
 377         {
 378                 .attr = { .name = "profile1_settings", .mode = 0440 },
 379                 .size = sizeof(struct pyra_profile_settings),
 380                 .read = pyra_sysfs_read_profilex_settings,
 381                 .private = &profile_numbers[0]
 382         },
 383         {
 384                 .attr = { .name = "profile2_settings", .mode = 0440 },
 385                 .size = sizeof(struct pyra_profile_settings),
 386                 .read = pyra_sysfs_read_profilex_settings,
 387                 .private = &profile_numbers[1]
 388         },
 389         {
 390                 .attr = { .name = "profile3_settings", .mode = 0440 },
 391                 .size = sizeof(struct pyra_profile_settings),
 392                 .read = pyra_sysfs_read_profilex_settings,
 393                 .private = &profile_numbers[2]
 394         },
 395         {
 396                 .attr = { .name = "profile4_settings", .mode = 0440 },
 397                 .size = sizeof(struct pyra_profile_settings),
 398                 .read = pyra_sysfs_read_profilex_settings,
 399                 .private = &profile_numbers[3]
 400         },
 401         {
 402                 .attr = { .name = "profile5_settings", .mode = 0440 },
 403                 .size = sizeof(struct pyra_profile_settings),
 404                 .read = pyra_sysfs_read_profilex_settings,
 405                 .private = &profile_numbers[4]
 406         },
 407         {
 408                 .attr = { .name = "profile_buttons", .mode = 0220 },
 409                 .size = sizeof(struct pyra_profile_buttons),
 410                 .write = pyra_sysfs_write_profile_buttons
 411         },
 412         {
 413                 .attr = { .name = "profile1_buttons", .mode = 0440 },
 414                 .size = sizeof(struct pyra_profile_buttons),
 415                 .read = pyra_sysfs_read_profilex_buttons,
 416                 .private = &profile_numbers[0]
 417         },
 418         {
 419                 .attr = { .name = "profile2_buttons", .mode = 0440 },
 420                 .size = sizeof(struct pyra_profile_buttons),
 421                 .read = pyra_sysfs_read_profilex_buttons,
 422                 .private = &profile_numbers[1]
 423         },
 424         {
 425                 .attr = { .name = "profile3_buttons", .mode = 0440 },
 426                 .size = sizeof(struct pyra_profile_buttons),
 427                 .read = pyra_sysfs_read_profilex_buttons,
 428                 .private = &profile_numbers[2]
 429         },
 430         {
 431                 .attr = { .name = "profile4_buttons", .mode = 0440 },
 432                 .size = sizeof(struct pyra_profile_buttons),
 433                 .read = pyra_sysfs_read_profilex_buttons,
 434                 .private = &profile_numbers[3]
 435         },
 436         {
 437                 .attr = { .name = "profile5_buttons", .mode = 0440 },
 438                 .size = sizeof(struct pyra_profile_buttons),
 439                 .read = pyra_sysfs_read_profilex_buttons,
 440                 .private = &profile_numbers[4]
 441         },
 442         {
 443                 .attr = { .name = "settings", .mode = 0660 },
 444                 .size = sizeof(struct pyra_settings),
 445                 .read = pyra_sysfs_read_settings,
 446                 .write = pyra_sysfs_write_settings
 447         },
 448         __ATTR_NULL
 449 };
 450
 451 static int pyra_init_pyra_device_struct(struct usb_device *usb_dev,
 452                 struct pyra_device *pyra)
 453 {
 454         struct pyra_info info;
 455         int retval, i;
 456
 457         mutex_init(&pyra->pyra_lock);
 458
 459         retval = pyra_get_info(usb_dev, &info);
 460         if (retval)
 461                 return retval;
 462
 463         pyra->firmware_version = info.firmware_version;
 464
 465         retval = pyra_get_settings(usb_dev, &pyra->settings);
 466         if (retval)
 467                 return retval;
 468
 469         for (i = 0; i < 5; ++i) {
 470                 retval = pyra_get_profile_settings(usb_dev,
 471                                 &pyra->profile_settings[i], i);
 472                 if (retval)
 473                         return retval;
 474
 475                 retval = pyra_get_profile_buttons(usb_dev,
 476                                 &pyra->profile_buttons[i], i);
 477                 if (retval)
 478                         return retval;
 479         }
 480
 481         profile_activated(pyra, pyra->settings.startup_profile);
 482
 483         return 0;
 484 }
 485
 486 static int pyra_init_specials(struct hid_device *hdev)
 487 {
 488         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 489         struct usb_device *usb_dev = interface_to_usbdev(intf);
 490         struct pyra_device *pyra;
 491         int retval;
 492
 493         if (intf->cur_altsetting->desc.bInterfaceProtocol
 494                         == USB_INTERFACE_PROTOCOL_MOUSE) {
 495
 496                 pyra = kzalloc(sizeof(*pyra), GFP_KERNEL);
 497                 if (!pyra) {
 498                         hid_err(hdev, "can't alloc device descriptor\n");
 499                         return -ENOMEM;
 500                 }
 501                 hid_set_drvdata(hdev, pyra);
 502
 503                 retval = pyra_init_pyra_device_struct(usb_dev, pyra);
 504                 if (retval) {
 505                         hid_err(hdev, "couldn't init struct pyra_device\n");
 506                         goto exit_free;
 507                 }
 508
 509                 retval = roccat_connect(pyra_class, hdev,
 510                                 sizeof(struct pyra_roccat_report));
 511                 if (retval < 0) {
 512                         hid_err(hdev, "couldn't init char dev\n");
 513                 } else {
 514                         pyra->chrdev_minor = retval;
 515                         pyra->roccat_claimed = 1;
 516                 }
 517         } else {
 518                 hid_set_drvdata(hdev, NULL);
 519         }
 520
 521         return 0;
 522 exit_free:
 523         kfree(pyra);
 524         return retval;
 525 }
 526
 527 static void pyra_remove_specials(struct hid_device *hdev)
 528 {
 529         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 530         struct pyra_device *pyra;
 531
 532         if (intf->cur_altsetting->desc.bInterfaceProtocol
 533                         == USB_INTERFACE_PROTOCOL_MOUSE) {
 534                 pyra = hid_get_drvdata(hdev);
 535                 if (pyra->roccat_claimed)
 536                         roccat_disconnect(pyra->chrdev_minor);
 537                 kfree(hid_get_drvdata(hdev));
 538         }
 539 }
 540
 541 static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id)
 542 {
 543         int retval;
 544
 545         retval = hid_parse(hdev);
 546         if (retval) {
 547                 hid_err(hdev, "parse failed\n");
 548                 goto exit;
 549         }
 550
 551         retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 552         if (retval) {
 553                 hid_err(hdev, "hw start failed\n");
 554                 goto exit;
 555         }
 556
 557         retval = pyra_init_specials(hdev);
 558         if (retval) {
 559                 hid_err(hdev, "couldn't install mouse\n");
 560                 goto exit_stop;
 561         }
 562         return 0;
 563
 564 exit_stop:
 565         hid_hw_stop(hdev);
 566 exit:
 567         return retval;
 568 }
 569
 570 static void pyra_remove(struct hid_device *hdev)
 571 {
 572         pyra_remove_specials(hdev);
 573         hid_hw_stop(hdev);
 574 }
 575
 576 static void pyra_keep_values_up_to_date(struct pyra_device *pyra,
 577                 u8 const *data)
 578 {
 579         struct pyra_mouse_event_button const *button_event;
 580
 581         switch (data[0]) {
 582         case PYRA_MOUSE_REPORT_NUMBER_BUTTON:
 583                 button_event = (struct pyra_mouse_event_button const *)data;
 584                 switch (button_event->type) {
 585                 case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
 586                         profile_activated(pyra, button_event->data1 - 1);
 587                         break;
 588                 case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
 589                         pyra->actual_cpi = button_event->data1;
 590                         break;
 591                 }
 592                 break;
 593         }
 594 }
 595
 596 static void pyra_report_to_chrdev(struct pyra_device const *pyra,
 597                 u8 const *data)
 598 {
 599         struct pyra_roccat_report roccat_report;
 600         struct pyra_mouse_event_button const *button_event;
 601
 602         if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON)
 603                 return;
 604
 605         button_event = (struct pyra_mouse_event_button const *)data;
 606
 607         switch (button_event->type) {
 608         case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
 609         case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
 610                 roccat_report.type = button_event->type;
 611                 roccat_report.value = button_event->data1;
 612                 roccat_report.key = 0;
 613                 roccat_report_event(pyra->chrdev_minor,
 614                                 (uint8_t const *)&roccat_report);
 615                 break;
 616         case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO:
 617         case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT:
 618         case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH:
 619                 if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) {
 620                         roccat_report.type = button_event->type;
 621                         roccat_report.key = button_event->data1;
 622                         /*
 623                          * pyra reports profile numbers with range 1-5.
 624                          * Keeping this behaviour.
 625                          */
 626                         roccat_report.value = pyra->actual_profile + 1;
 627                         roccat_report_event(pyra->chrdev_minor,
 628                                         (uint8_t const *)&roccat_report);
 629                 }
 630                 break;
 631         }
 632 }
 633
 634 static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report,
 635                 u8 *data, int size)
 636 {
 637         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 638         struct pyra_device *pyra = hid_get_drvdata(hdev);
 639
 640         if (intf->cur_altsetting->desc.bInterfaceProtocol
 641                         != USB_INTERFACE_PROTOCOL_MOUSE)
 642                 return 0;
 643
 644         pyra_keep_values_up_to_date(pyra, data);
 645
 646         if (pyra->roccat_claimed)
 647                 pyra_report_to_chrdev(pyra, data);
 648
 649         return 0;
 650 }
 651
 652 static const struct hid_device_id pyra_devices[] = {
 653         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
 654                         USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
 655         /* TODO add USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS after testing */
 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");