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