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