linux/drivers/hid/hid-roccat-kovaplus.c
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   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
  28static uint profile_numbers[5] = {0, 1, 2, 3, 4};
  29
  30static struct class *kovaplus_class;
  31
  32static uint kovaplus_convert_event_cpi(uint value)
  33{
  34        return (value == 7 ? 4 : (value == 4 ? 3 : value));
  35}
  36
  37static 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
  46static 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
  67static 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
  73static 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
  87static 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 */
 102static 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
 113static 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
 127static 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
 152static 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) \
 176static 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) \
 185static 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) \
 194KOVAPLUS_SYSFS_W(thingy, THINGY) \
 195KOVAPLUS_SYSFS_R(thingy, THINGY)
 196
 197#define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
 198KOVAPLUS_SYSFS_RW(thingy, THINGY); \
 199static 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) \
 207KOVAPLUS_SYSFS_W(thingy, THINGY); \
 208static struct bin_attribute bin_attr_##thingy = { \
 209        .attr = { .name = #thingy, .mode = 0220 }, \
 210        .size = KOVAPLUS_SIZE_ ## THINGY, \
 211        .write = kovaplus_sysfs_write_ ## thingy \
 212}
 213KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL);
 214KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO);
 215KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
 216KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
 217
 218static 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
 236static 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)                                            \
 255static 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};                                                                      \
 261static 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};
 267PROFILE_ATTR(1);
 268PROFILE_ATTR(2);
 269PROFILE_ATTR(3);
 270PROFILE_ATTR(4);
 271PROFILE_ATTR(5);
 272
 273static 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
 281static 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}
 322static DEVICE_ATTR(actual_profile, 0660,
 323                   kovaplus_sysfs_show_actual_profile,
 324                   kovaplus_sysfs_set_actual_profile);
 325
 326static 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}
 333static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL);
 334
 335static 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}
 342static DEVICE_ATTR(actual_sensitivity_x, 0440,
 343                   kovaplus_sysfs_show_actual_sensitivity_x, NULL);
 344
 345static 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}
 352static DEVICE_ATTR(actual_sensitivity_y, 0440,
 353                   kovaplus_sysfs_show_actual_sensitivity_y, NULL);
 354
 355static 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}
 373static DEVICE_ATTR(firmware_version, 0440,
 374                   kovaplus_sysfs_show_firmware_version, NULL);
 375
 376static 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
 385static 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
 403static const struct attribute_group kovaplus_group = {
 404        .attrs = kovaplus_attrs,
 405        .bin_attrs = kovaplus_bin_attributes,
 406};
 407
 408static const struct attribute_group *kovaplus_groups[] = {
 409        &kovaplus_group,
 410        NULL,
 411};
 412
 413static 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
 444static 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;
 481exit_free:
 482        kfree(kovaplus);
 483        return retval;
 484}
 485
 486static 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
 500static 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
 525exit_stop:
 526        hid_hw_stop(hdev);
 527exit:
 528        return retval;
 529}
 530
 531static void kovaplus_remove(struct hid_device *hdev)
 532{
 533        kovaplus_remove_specials(hdev);
 534        hid_hw_stop(hdev);
 535}
 536
 537static 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
 563static 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
 599static 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
 620static const struct hid_device_id kovaplus_devices[] = {
 621        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
 622        { }
 623};
 624
 625MODULE_DEVICE_TABLE(hid, kovaplus_devices);
 626
 627static 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
 635static 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
 650static void __exit kovaplus_exit(void)
 651{
 652        hid_unregister_driver(&kovaplus_driver);
 653        class_destroy(kovaplus_class);
 654}
 655
 656module_init(kovaplus_init);
 657module_exit(kovaplus_exit);
 658
 659MODULE_AUTHOR("Stefan Achatz");
 660MODULE_DESCRIPTION("USB Roccat Kova[+] driver");
 661MODULE_LICENSE("GPL v2");
 662
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