drivers/hid/hid-roccat-kovaplus.c

   1 /*
   2  * Roccat Kova[+] driver for Linux
   3  *
   4  * Copyright (c) 2011 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 Kova[+] is a bigger version of the Pyra with two more side buttons.
  16  */
  17
  18 #include <linux/device.h>
  19 #include <linux/input.h>
  20 #include <linux/hid.h>
  21 #include <linux/module.h>
  22 #include <linux/slab.h>
  23 #include <linux/hid-roccat.h>
  24 #include "hid-ids.h"
  25 #include "hid-roccat-common.h"
  26 #include "hid-roccat-kovaplus.h"
  27
  28 static uint profile_numbers[5] = {0, 1, 2, 3, 4};
  29
  30 static struct class *kovaplus_class;
  31
  32 static uint kovaplus_convert_event_cpi(uint value)
  33 {
  34         return (value == 7 ? 4 : (value == 4 ? 3 : value));
  35 }
  36
  37 static void kovaplus_profile_activated(struct kovaplus_device *kovaplus,
  38                 uint new_profile_index)
  39 {
  40         kovaplus->actual_profile = new_profile_index;
  41         kovaplus->actual_cpi = kovaplus->profile_settings[new_profile_index].cpi_startup_level;
  42         kovaplus->actual_x_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_x;
  43         kovaplus->actual_y_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_y;
  44 }
  45
  46 static int kovaplus_send_control(struct usb_device *usb_dev, uint value,
  47                 enum kovaplus_control_requests request)
  48 {
  49         int retval;
  50         struct roccat_common2_control control;
  51
  52         if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS ||
  53                         request == KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&
  54                         value > 4)
  55                 return -EINVAL;
  56
  57         control.command = ROCCAT_COMMON_COMMAND_CONTROL;
  58         control.value = value;
  59         control.request = request;
  60
  61         retval = roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL,
  62                         &control, sizeof(struct roccat_common2_control));
  63
  64         return retval;
  65 }
  66
  67 static int kovaplus_select_profile(struct usb_device *usb_dev, uint number,
  68                 enum kovaplus_control_requests request)
  69 {
  70         return kovaplus_send_control(usb_dev, number, request);
  71 }
  72
  73 static int kovaplus_get_profile_settings(struct usb_device *usb_dev,
  74                 struct kovaplus_profile_settings *buf, uint number)
  75 {
  76         int retval;
  77
  78         retval = kovaplus_select_profile(usb_dev, number,
  79                         KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
  80         if (retval)
  81                 return retval;
  82
  83         return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS,
  84                         buf, KOVAPLUS_SIZE_PROFILE_SETTINGS);
  85 }
  86
  87 static int kovaplus_get_profile_buttons(struct usb_device *usb_dev,
  88                 struct kovaplus_profile_buttons *buf, int number)
  89 {
  90         int retval;
  91
  92         retval = kovaplus_select_profile(usb_dev, number,
  93                         KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
  94         if (retval)
  95                 return retval;
  96
  97         return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS,
  98                         buf, KOVAPLUS_SIZE_PROFILE_BUTTONS);
  99 }
 100
 101 /* retval is 0-4 on success, < 0 on error */
 102 static int kovaplus_get_actual_profile(struct usb_device *usb_dev)
 103 {
 104         struct kovaplus_actual_profile buf;
 105         int retval;
 106
 107         retval = roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE,
 108                         &buf, sizeof(struct kovaplus_actual_profile));
 109
 110         return retval ? retval : buf.actual_profile;
 111 }
 112
 113 static int kovaplus_set_actual_profile(struct usb_device *usb_dev,
 114                 int new_profile)
 115 {
 116         struct kovaplus_actual_profile buf;
 117
 118         buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE;
 119         buf.size = sizeof(struct kovaplus_actual_profile);
 120         buf.actual_profile = new_profile;
 121
 122         return roccat_common2_send_with_status(usb_dev,
 123                         KOVAPLUS_COMMAND_ACTUAL_PROFILE,
 124                         &buf, sizeof(struct kovaplus_actual_profile));
 125 }
 126
 127 static ssize_t kovaplus_sysfs_read(struct file *fp, struct kobject *kobj,
 128                 char *buf, loff_t off, size_t count,
 129                 size_t real_size, uint command)
 130 {
 131         struct device *dev =
 132                         container_of(kobj, struct device, kobj)->parent->parent;
 133         struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 134         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 135         int retval;
 136
 137         if (off >= real_size)
 138                 return 0;
 139
 140         if (off != 0 || count != real_size)
 141                 return -EINVAL;
 142
 143         mutex_lock(&kovaplus->kovaplus_lock);
 144         retval = roccat_common2_receive(usb_dev, command, buf, real_size);
 145         mutex_unlock(&kovaplus->kovaplus_lock);
 146
 147         if (retval)
 148                 return retval;
 149
 150         return real_size;
 151 }
 152
 153 static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj,
 154                 void const *buf, loff_t off, size_t count,
 155                 size_t real_size, uint command)
 156 {
 157         struct device *dev =
 158                         container_of(kobj, struct device, kobj)->parent->parent;
 159         struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 160         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 161         int retval;
 162
 163         if (off != 0 || count != real_size)
 164                 return -EINVAL;
 165
 166         mutex_lock(&kovaplus->kovaplus_lock);
 167         retval = roccat_common2_send_with_status(usb_dev, command,
 168                         buf, real_size);
 169         mutex_unlock(&kovaplus->kovaplus_lock);
 170
 171         if (retval)
 172                 return retval;
 173
 174         return real_size;
 175 }
 176
 177 #define KOVAPLUS_SYSFS_W(thingy, THINGY) \
 178 static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \
 179                 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
 180                 loff_t off, size_t count) \
 181 { \
 182         return kovaplus_sysfs_write(fp, kobj, buf, off, count, \
 183                         KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
 184 }
 185
 186 #define KOVAPLUS_SYSFS_R(thingy, THINGY) \
 187 static ssize_t kovaplus_sysfs_read_ ## thingy(struct file *fp, \
 188                 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
 189                 loff_t off, size_t count) \
 190 { \
 191         return kovaplus_sysfs_read(fp, kobj, buf, off, count, \
 192                         KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
 193 }
 194
 195 #define KOVAPLUS_SYSFS_RW(thingy, THINGY) \
 196 KOVAPLUS_SYSFS_W(thingy, THINGY) \
 197 KOVAPLUS_SYSFS_R(thingy, THINGY)
 198
 199 #define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
 200 KOVAPLUS_SYSFS_RW(thingy, THINGY); \
 201 static struct bin_attribute bin_attr_##thingy = { \
 202         .attr = { .name = #thingy, .mode = 0660 }, \
 203         .size = KOVAPLUS_SIZE_ ## THINGY, \
 204         .read = kovaplus_sysfs_read_ ## thingy, \
 205         .write = kovaplus_sysfs_write_ ## thingy \
 206 }
 207
 208 #define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
 209 KOVAPLUS_SYSFS_W(thingy, THINGY); \
 210 static struct bin_attribute bin_attr_##thingy = { \
 211         .attr = { .name = #thingy, .mode = 0220 }, \
 212         .size = KOVAPLUS_SIZE_ ## THINGY, \
 213         .write = kovaplus_sysfs_write_ ## thingy \
 214 }
 215 KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL);
 216 KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO);
 217 KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
 218 KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
 219
 220 static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
 221                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
 222                 loff_t off, size_t count)
 223 {
 224         struct device *dev =
 225                         container_of(kobj, struct device, kobj)->parent->parent;
 226         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 227         ssize_t retval;
 228
 229         retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
 230                         KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
 231         if (retval)
 232                 return retval;
 233
 234         return kovaplus_sysfs_read(fp, kobj, buf, off, count,
 235                         KOVAPLUS_SIZE_PROFILE_SETTINGS,
 236                         KOVAPLUS_COMMAND_PROFILE_SETTINGS);
 237 }
 238
 239 static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
 240                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
 241                 loff_t off, size_t count)
 242 {
 243         struct device *dev =
 244                         container_of(kobj, struct device, kobj)->parent->parent;
 245         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 246         ssize_t retval;
 247
 248         retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
 249                         KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
 250         if (retval)
 251                 return retval;
 252
 253         return kovaplus_sysfs_read(fp, kobj, buf, off, count,
 254                         KOVAPLUS_SIZE_PROFILE_BUTTONS,
 255                         KOVAPLUS_COMMAND_PROFILE_BUTTONS);
 256 }
 257
 258 #define PROFILE_ATTR(number)                                            \
 259 static struct bin_attribute bin_attr_profile##number##_settings = {     \
 260         .attr = { .name = "profile" #number "_settings", .mode = 0440 },        \
 261         .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,                         \
 262         .read = kovaplus_sysfs_read_profilex_settings,                  \
 263         .private = &profile_numbers[number-1],                          \
 264 };                                                                      \
 265 static struct bin_attribute bin_attr_profile##number##_buttons = {      \
 266         .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \
 267         .size = KOVAPLUS_SIZE_PROFILE_BUTTONS,                          \
 268         .read = kovaplus_sysfs_read_profilex_buttons,                   \
 269         .private = &profile_numbers[number-1],                          \
 270 };
 271 PROFILE_ATTR(1);
 272 PROFILE_ATTR(2);
 273 PROFILE_ATTR(3);
 274 PROFILE_ATTR(4);
 275 PROFILE_ATTR(5);
 276
 277 static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev,
 278                 struct device_attribute *attr, char *buf)
 279 {
 280         struct kovaplus_device *kovaplus =
 281                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 282         return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile);
 283 }
 284
 285 static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev,
 286                 struct device_attribute *attr, char const *buf, size_t size)
 287 {
 288         struct kovaplus_device *kovaplus;
 289         struct usb_device *usb_dev;
 290         unsigned long profile;
 291         int retval;
 292         struct kovaplus_roccat_report roccat_report;
 293
 294         dev = dev->parent->parent;
 295         kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 296         usb_dev = interface_to_usbdev(to_usb_interface(dev));
 297
 298         retval = kstrtoul(buf, 10, &profile);
 299         if (retval)
 300                 return retval;
 301
 302         if (profile >= 5)
 303                 return -EINVAL;
 304
 305         mutex_lock(&kovaplus->kovaplus_lock);
 306         retval = kovaplus_set_actual_profile(usb_dev, profile);
 307         if (retval) {
 308                 mutex_unlock(&kovaplus->kovaplus_lock);
 309                 return retval;
 310         }
 311
 312         kovaplus_profile_activated(kovaplus, profile);
 313
 314         roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1;
 315         roccat_report.profile = profile + 1;
 316         roccat_report.button = 0;
 317         roccat_report.data1 = profile + 1;
 318         roccat_report.data2 = 0;
 319         roccat_report_event(kovaplus->chrdev_minor,
 320                         (uint8_t const *)&roccat_report);
 321
 322         mutex_unlock(&kovaplus->kovaplus_lock);
 323
 324         return size;
 325 }
 326 static DEVICE_ATTR(actual_profile, 0660,
 327                    kovaplus_sysfs_show_actual_profile,
 328                    kovaplus_sysfs_set_actual_profile);
 329
 330 static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev,
 331                 struct device_attribute *attr, char *buf)
 332 {
 333         struct kovaplus_device *kovaplus =
 334                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 335         return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi);
 336 }
 337 static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL);
 338
 339 static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev,
 340                 struct device_attribute *attr, char *buf)
 341 {
 342         struct kovaplus_device *kovaplus =
 343                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 344         return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity);
 345 }
 346 static DEVICE_ATTR(actual_sensitivity_x, 0440,
 347                    kovaplus_sysfs_show_actual_sensitivity_x, NULL);
 348
 349 static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev,
 350                 struct device_attribute *attr, char *buf)
 351 {
 352         struct kovaplus_device *kovaplus =
 353                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 354         return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity);
 355 }
 356 static DEVICE_ATTR(actual_sensitivity_y, 0440,
 357                    kovaplus_sysfs_show_actual_sensitivity_y, NULL);
 358
 359 static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
 360                 struct device_attribute *attr, char *buf)
 361 {
 362         struct kovaplus_device *kovaplus;
 363         struct usb_device *usb_dev;
 364         struct kovaplus_info info;
 365
 366         dev = dev->parent->parent;
 367         kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 368         usb_dev = interface_to_usbdev(to_usb_interface(dev));
 369
 370         mutex_lock(&kovaplus->kovaplus_lock);
 371         roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
 372                         &info, KOVAPLUS_SIZE_INFO);
 373         mutex_unlock(&kovaplus->kovaplus_lock);
 374
 375         return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
 376 }
 377 static DEVICE_ATTR(firmware_version, 0440,
 378                    kovaplus_sysfs_show_firmware_version, NULL);
 379
 380 static struct attribute *kovaplus_attrs[] = {
 381         &dev_attr_actual_cpi.attr,
 382         &dev_attr_firmware_version.attr,
 383         &dev_attr_actual_profile.attr,
 384         &dev_attr_actual_sensitivity_x.attr,
 385         &dev_attr_actual_sensitivity_y.attr,
 386         NULL,
 387 };
 388
 389 static struct bin_attribute *kovaplus_bin_attributes[] = {
 390         &bin_attr_control,
 391         &bin_attr_info,
 392         &bin_attr_profile_settings,
 393         &bin_attr_profile_buttons,
 394         &bin_attr_profile1_settings,
 395         &bin_attr_profile2_settings,
 396         &bin_attr_profile3_settings,
 397         &bin_attr_profile4_settings,
 398         &bin_attr_profile5_settings,
 399         &bin_attr_profile1_buttons,
 400         &bin_attr_profile2_buttons,
 401         &bin_attr_profile3_buttons,
 402         &bin_attr_profile4_buttons,
 403         &bin_attr_profile5_buttons,
 404         NULL,
 405 };
 406
 407 static const struct attribute_group kovaplus_group = {
 408         .attrs = kovaplus_attrs,
 409         .bin_attrs = kovaplus_bin_attributes,
 410 };
 411
 412 static const struct attribute_group *kovaplus_groups[] = {
 413         &kovaplus_group,
 414         NULL,
 415 };
 416
 417 static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev,
 418                 struct kovaplus_device *kovaplus)
 419 {
 420         int retval, i;
 421         static uint wait = 70; /* device will freeze with just 60 */
 422
 423         mutex_init(&kovaplus->kovaplus_lock);
 424
 425         for (i = 0; i < 5; ++i) {
 426                 msleep(wait);
 427                 retval = kovaplus_get_profile_settings(usb_dev,
 428                                 &kovaplus->profile_settings[i], i);
 429                 if (retval)
 430                         return retval;
 431
 432                 msleep(wait);
 433                 retval = kovaplus_get_profile_buttons(usb_dev,
 434                                 &kovaplus->profile_buttons[i], i);
 435                 if (retval)
 436                         return retval;
 437         }
 438
 439         msleep(wait);
 440         retval = kovaplus_get_actual_profile(usb_dev);
 441         if (retval < 0)
 442                 return retval;
 443         kovaplus_profile_activated(kovaplus, retval);
 444
 445         return 0;
 446 }
 447
 448 static int kovaplus_init_specials(struct hid_device *hdev)
 449 {
 450         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 451         struct usb_device *usb_dev = interface_to_usbdev(intf);
 452         struct kovaplus_device *kovaplus;
 453         int retval;
 454
 455         if (intf->cur_altsetting->desc.bInterfaceProtocol
 456                         == USB_INTERFACE_PROTOCOL_MOUSE) {
 457
 458                 kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL);
 459                 if (!kovaplus) {
 460                         hid_err(hdev, "can't alloc device descriptor\n");
 461                         return -ENOMEM;
 462                 }
 463                 hid_set_drvdata(hdev, kovaplus);
 464
 465                 retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus);
 466                 if (retval) {
 467                         hid_err(hdev, "couldn't init struct kovaplus_device\n");
 468                         goto exit_free;
 469                 }
 470
 471                 retval = roccat_connect(kovaplus_class, hdev,
 472                                 sizeof(struct kovaplus_roccat_report));
 473                 if (retval < 0) {
 474                         hid_err(hdev, "couldn't init char dev\n");
 475                 } else {
 476                         kovaplus->chrdev_minor = retval;
 477                         kovaplus->roccat_claimed = 1;
 478                 }
 479
 480         } else {
 481                 hid_set_drvdata(hdev, NULL);
 482         }
 483
 484         return 0;
 485 exit_free:
 486         kfree(kovaplus);
 487         return retval;
 488 }
 489
 490 static void kovaplus_remove_specials(struct hid_device *hdev)
 491 {
 492         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 493         struct kovaplus_device *kovaplus;
 494
 495         if (intf->cur_altsetting->desc.bInterfaceProtocol
 496                         == USB_INTERFACE_PROTOCOL_MOUSE) {
 497                 kovaplus = hid_get_drvdata(hdev);
 498                 if (kovaplus->roccat_claimed)
 499                         roccat_disconnect(kovaplus->chrdev_minor);
 500                 kfree(kovaplus);
 501         }
 502 }
 503
 504 static int kovaplus_probe(struct hid_device *hdev,
 505                 const struct hid_device_id *id)
 506 {
 507         int retval;
 508
 509         retval = hid_parse(hdev);
 510         if (retval) {
 511                 hid_err(hdev, "parse failed\n");
 512                 goto exit;
 513         }
 514
 515         retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 516         if (retval) {
 517                 hid_err(hdev, "hw start failed\n");
 518                 goto exit;
 519         }
 520
 521         retval = kovaplus_init_specials(hdev);
 522         if (retval) {
 523                 hid_err(hdev, "couldn't install mouse\n");
 524                 goto exit_stop;
 525         }
 526
 527         return 0;
 528
 529 exit_stop:
 530         hid_hw_stop(hdev);
 531 exit:
 532         return retval;
 533 }
 534
 535 static void kovaplus_remove(struct hid_device *hdev)
 536 {
 537         kovaplus_remove_specials(hdev);
 538         hid_hw_stop(hdev);
 539 }
 540
 541 static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus,
 542                 u8 const *data)
 543 {
 544         struct kovaplus_mouse_report_button const *button_report;
 545
 546         if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON)
 547                 return;
 548
 549         button_report = (struct kovaplus_mouse_report_button const *)data;
 550
 551         switch (button_report->type) {
 552         case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1:
 553                 kovaplus_profile_activated(kovaplus, button_report->data1 - 1);
 554                 break;
 555         case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI:
 556                 kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1);
 557                 break;
 558         case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY:
 559                 kovaplus->actual_x_sensitivity = button_report->data1;
 560                 kovaplus->actual_y_sensitivity = button_report->data2;
 561                 break;
 562         default:
 563                 break;
 564         }
 565 }
 566
 567 static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus,
 568                 u8 const *data)
 569 {
 570         struct kovaplus_roccat_report roccat_report;
 571         struct kovaplus_mouse_report_button const *button_report;
 572
 573         if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON)
 574                 return;
 575
 576         button_report = (struct kovaplus_mouse_report_button const *)data;
 577
 578         if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2)
 579                 return;
 580
 581         roccat_report.type = button_report->type;
 582         roccat_report.profile = kovaplus->actual_profile + 1;
 583
 584         if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO ||
 585                         roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT ||
 586                         roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH ||
 587                         roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER)
 588                 roccat_report.button = button_report->data1;
 589         else
 590                 roccat_report.button = 0;
 591
 592         if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI)
 593                 roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1);
 594         else
 595                 roccat_report.data1 = button_report->data1;
 596
 597         roccat_report.data2 = button_report->data2;
 598
 599         roccat_report_event(kovaplus->chrdev_minor,
 600                         (uint8_t const *)&roccat_report);
 601 }
 602
 603 static int kovaplus_raw_event(struct hid_device *hdev,
 604                 struct hid_report *report, u8 *data, int size)
 605 {
 606         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 607         struct kovaplus_device *kovaplus = hid_get_drvdata(hdev);
 608
 609         if (intf->cur_altsetting->desc.bInterfaceProtocol
 610                         != USB_INTERFACE_PROTOCOL_MOUSE)
 611                 return 0;
 612
 613         if (kovaplus == NULL)
 614                 return 0;
 615
 616         kovaplus_keep_values_up_to_date(kovaplus, data);
 617
 618         if (kovaplus->roccat_claimed)
 619                 kovaplus_report_to_chrdev(kovaplus, data);
 620
 621         return 0;
 622 }
 623
 624 static const struct hid_device_id kovaplus_devices[] = {
 625         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
 626         { }
 627 };
 628
 629 MODULE_DEVICE_TABLE(hid, kovaplus_devices);
 630
 631 static struct hid_driver kovaplus_driver = {
 632                 .name = "kovaplus",
 633                 .id_table = kovaplus_devices,
 634                 .probe = kovaplus_probe,
 635                 .remove = kovaplus_remove,
 636                 .raw_event = kovaplus_raw_event
 637 };
 638
 639 static int __init kovaplus_init(void)
 640 {
 641         int retval;
 642
 643         kovaplus_class = class_create(THIS_MODULE, "kovaplus");
 644         if (IS_ERR(kovaplus_class))
 645                 return PTR_ERR(kovaplus_class);
 646         kovaplus_class->dev_groups = kovaplus_groups;
 647
 648         retval = hid_register_driver(&kovaplus_driver);
 649         if (retval)
 650                 class_destroy(kovaplus_class);
 651         return retval;
 652 }
 653
 654 static void __exit kovaplus_exit(void)
 655 {
 656         hid_unregister_driver(&kovaplus_driver);
 657         class_destroy(kovaplus_class);
 658 }
 659
 660 module_init(kovaplus_init);
 661 module_exit(kovaplus_exit);
 662
 663 MODULE_AUTHOR("Stefan Achatz");
 664 MODULE_DESCRIPTION("USB Roccat Kova[+] driver");
 665 MODULE_LICENSE("GPL v2");