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 =
 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
 153static 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) \
 178static 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) \
 187static 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) \
 196KOVAPLUS_SYSFS_W(thingy, THINGY) \
 197KOVAPLUS_SYSFS_R(thingy, THINGY)
 198
 199#define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
 200KOVAPLUS_SYSFS_RW(thingy, THINGY); \
 201static 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) \
 209KOVAPLUS_SYSFS_W(thingy, THINGY); \
 210static struct bin_attribute bin_attr_##thingy = { \
 211        .attr = { .name = #thingy, .mode = 0220 }, \
 212        .size = KOVAPLUS_SIZE_ ## THINGY, \
 213        .write = kovaplus_sysfs_write_ ## thingy \
 214}
 215KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL);
 216KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO);
 217KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
 218KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
 219
 220static 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
 239static 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)                                            \
 259static 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};                                                                      \
 265static 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};
 271PROFILE_ATTR(1);
 272PROFILE_ATTR(2);
 273PROFILE_ATTR(3);
 274PROFILE_ATTR(4);
 275PROFILE_ATTR(5);
 276
 277static 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
 285static 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}
 326static DEVICE_ATTR(actual_profile, 0660,
 327                   kovaplus_sysfs_show_actual_profile,
 328                   kovaplus_sysfs_set_actual_profile);
 329
 330static 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}
 337static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL);
 338
 339static 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}
 346static DEVICE_ATTR(actual_sensitivity_x, 0440,
 347                   kovaplus_sysfs_show_actual_sensitivity_x, NULL);
 348
 349static 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}
 356static DEVICE_ATTR(actual_sensitivity_y, 0440,
 357                   kovaplus_sysfs_show_actual_sensitivity_y, NULL);
 358
 359static 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}
 377static DEVICE_ATTR(firmware_version, 0440,
 378                   kovaplus_sysfs_show_firmware_version, NULL);
 379
 380static 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
 389static 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
 407static const struct attribute_group kovaplus_group = {
 408        .attrs = kovaplus_attrs,
 409        .bin_attrs = kovaplus_bin_attributes,
 410};
 411
 412static const struct attribute_group *kovaplus_groups[] = {
 413        &kovaplus_group,
 414        NULL,
 415};
 416
 417static 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
 448static 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;
 485exit_free:
 486        kfree(kovaplus);
 487        return retval;
 488}
 489
 490static 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
 504static 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
 529exit_stop:
 530        hid_hw_stop(hdev);
 531exit:
 532        return retval;
 533}
 534
 535static void kovaplus_remove(struct hid_device *hdev)
 536{
 537        kovaplus_remove_specials(hdev);
 538        hid_hw_stop(hdev);
 539}
 540
 541static 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
 567static 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
 603static 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
 624static const struct hid_device_id kovaplus_devices[] = {
 625        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
 626        { }
 627};
 628
 629MODULE_DEVICE_TABLE(hid, kovaplus_devices);
 630
 631static 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
 639static 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
 654static void __exit kovaplus_exit(void)
 655{
 656        hid_unregister_driver(&kovaplus_driver);
 657        class_destroy(kovaplus_class);
 658}
 659
 660module_init(kovaplus_init);
 661module_exit(kovaplus_exit);
 662
 663MODULE_AUTHOR("Stefan Achatz");
 664MODULE_DESCRIPTION("USB Roccat Kova[+] driver");
 665MODULE_LICENSE("GPL v2");
 666
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