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_info(struct usb_device *usb_dev,
  74                struct kovaplus_info *buf)
  75{
  76        return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
  77                        buf, sizeof(struct kovaplus_info));
  78}
  79
  80static int kovaplus_get_profile_settings(struct usb_device *usb_dev,
  81                struct kovaplus_profile_settings *buf, uint number)
  82{
  83        int retval;
  84
  85        retval = kovaplus_select_profile(usb_dev, number,
  86                        KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
  87        if (retval)
  88                return retval;
  89
  90        return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS,
  91                        buf, sizeof(struct kovaplus_profile_settings));
  92}
  93
  94static int kovaplus_set_profile_settings(struct usb_device *usb_dev,
  95                struct kovaplus_profile_settings const *settings)
  96{
  97        return roccat_common2_send_with_status(usb_dev,
  98                        KOVAPLUS_COMMAND_PROFILE_SETTINGS,
  99                        settings, sizeof(struct kovaplus_profile_settings));
 100}
 101
 102static int kovaplus_get_profile_buttons(struct usb_device *usb_dev,
 103                struct kovaplus_profile_buttons *buf, int number)
 104{
 105        int retval;
 106
 107        retval = kovaplus_select_profile(usb_dev, number,
 108                        KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
 109        if (retval)
 110                return retval;
 111
 112        return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS,
 113                        buf, sizeof(struct kovaplus_profile_buttons));
 114}
 115
 116static int kovaplus_set_profile_buttons(struct usb_device *usb_dev,
 117                struct kovaplus_profile_buttons const *buttons)
 118{
 119        return roccat_common2_send_with_status(usb_dev,
 120                        KOVAPLUS_COMMAND_PROFILE_BUTTONS,
 121                        buttons, sizeof(struct kovaplus_profile_buttons));
 122}
 123
 124/* retval is 0-4 on success, < 0 on error */
 125static int kovaplus_get_actual_profile(struct usb_device *usb_dev)
 126{
 127        struct kovaplus_actual_profile buf;
 128        int retval;
 129
 130        retval = roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE,
 131                        &buf, sizeof(struct kovaplus_actual_profile));
 132
 133        return retval ? retval : buf.actual_profile;
 134}
 135
 136static int kovaplus_set_actual_profile(struct usb_device *usb_dev,
 137                int new_profile)
 138{
 139        struct kovaplus_actual_profile buf;
 140
 141        buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE;
 142        buf.size = sizeof(struct kovaplus_actual_profile);
 143        buf.actual_profile = new_profile;
 144
 145        return roccat_common2_send_with_status(usb_dev,
 146                        KOVAPLUS_COMMAND_ACTUAL_PROFILE,
 147                        &buf, sizeof(struct kovaplus_actual_profile));
 148}
 149
 150static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
 151                struct kobject *kobj, struct bin_attribute *attr, char *buf,
 152                loff_t off, size_t count)
 153{
 154        struct device *dev =
 155                        container_of(kobj, struct device, kobj)->parent->parent;
 156        struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 157
 158        if (off >= sizeof(struct kovaplus_profile_settings))
 159                return 0;
 160
 161        if (off + count > sizeof(struct kovaplus_profile_settings))
 162                count = sizeof(struct kovaplus_profile_settings) - off;
 163
 164        mutex_lock(&kovaplus->kovaplus_lock);
 165        memcpy(buf, ((char const *)&kovaplus->profile_settings[*(uint *)(attr->private)]) + off,
 166                        count);
 167        mutex_unlock(&kovaplus->kovaplus_lock);
 168
 169        return count;
 170}
 171
 172static ssize_t kovaplus_sysfs_write_profile_settings(struct file *fp,
 173                struct kobject *kobj, struct bin_attribute *attr, char *buf,
 174                loff_t off, size_t count)
 175{
 176        struct device *dev =
 177                        container_of(kobj, struct device, kobj)->parent->parent;
 178        struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 179        struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 180        int retval = 0;
 181        int difference;
 182        int profile_index;
 183        struct kovaplus_profile_settings *profile_settings;
 184
 185        if (off != 0 || count != sizeof(struct kovaplus_profile_settings))
 186                return -EINVAL;
 187
 188        profile_index = ((struct kovaplus_profile_settings const *)buf)->profile_index;
 189        profile_settings = &kovaplus->profile_settings[profile_index];
 190
 191        mutex_lock(&kovaplus->kovaplus_lock);
 192        difference = memcmp(buf, profile_settings,
 193                        sizeof(struct kovaplus_profile_settings));
 194        if (difference) {
 195                retval = kovaplus_set_profile_settings(usb_dev,
 196                                (struct kovaplus_profile_settings const *)buf);
 197                if (!retval)
 198                        memcpy(profile_settings, buf,
 199                                        sizeof(struct kovaplus_profile_settings));
 200        }
 201        mutex_unlock(&kovaplus->kovaplus_lock);
 202
 203        if (retval)
 204                return retval;
 205
 206        return sizeof(struct kovaplus_profile_settings);
 207}
 208
 209static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
 210                struct kobject *kobj, struct bin_attribute *attr, char *buf,
 211                loff_t off, size_t count)
 212{
 213        struct device *dev =
 214                        container_of(kobj, struct device, kobj)->parent->parent;
 215        struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 216
 217        if (off >= sizeof(struct kovaplus_profile_buttons))
 218                return 0;
 219
 220        if (off + count > sizeof(struct kovaplus_profile_buttons))
 221                count = sizeof(struct kovaplus_profile_buttons) - off;
 222
 223        mutex_lock(&kovaplus->kovaplus_lock);
 224        memcpy(buf, ((char const *)&kovaplus->profile_buttons[*(uint *)(attr->private)]) + off,
 225                        count);
 226        mutex_unlock(&kovaplus->kovaplus_lock);
 227
 228        return count;
 229}
 230
 231static ssize_t kovaplus_sysfs_write_profile_buttons(struct file *fp,
 232                struct kobject *kobj, struct bin_attribute *attr, char *buf,
 233                loff_t off, size_t count)
 234{
 235        struct device *dev =
 236                        container_of(kobj, struct device, kobj)->parent->parent;
 237        struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 238        struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 239        int retval = 0;
 240        int difference;
 241        uint profile_index;
 242        struct kovaplus_profile_buttons *profile_buttons;
 243
 244        if (off != 0 || count != sizeof(struct kovaplus_profile_buttons))
 245                return -EINVAL;
 246
 247        profile_index = ((struct kovaplus_profile_buttons const *)buf)->profile_index;
 248        profile_buttons = &kovaplus->profile_buttons[profile_index];
 249
 250        mutex_lock(&kovaplus->kovaplus_lock);
 251        difference = memcmp(buf, profile_buttons,
 252                        sizeof(struct kovaplus_profile_buttons));
 253        if (difference) {
 254                retval = kovaplus_set_profile_buttons(usb_dev,
 255                                (struct kovaplus_profile_buttons const *)buf);
 256                if (!retval)
 257                        memcpy(profile_buttons, buf,
 258                                        sizeof(struct kovaplus_profile_buttons));
 259        }
 260        mutex_unlock(&kovaplus->kovaplus_lock);
 261
 262        if (retval)
 263                return retval;
 264
 265        return sizeof(struct kovaplus_profile_buttons);
 266}
 267
 268static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev,
 269                struct device_attribute *attr, char *buf)
 270{
 271        struct kovaplus_device *kovaplus =
 272                        hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 273        return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile);
 274}
 275
 276static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev,
 277                struct device_attribute *attr, char const *buf, size_t size)
 278{
 279        struct kovaplus_device *kovaplus;
 280        struct usb_device *usb_dev;
 281        unsigned long profile;
 282        int retval;
 283        struct kovaplus_roccat_report roccat_report;
 284
 285        dev = dev->parent->parent;
 286        kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 287        usb_dev = interface_to_usbdev(to_usb_interface(dev));
 288
 289        retval = strict_strtoul(buf, 10, &profile);
 290        if (retval)
 291                return retval;
 292
 293        if (profile >= 5)
 294                return -EINVAL;
 295
 296        mutex_lock(&kovaplus->kovaplus_lock);
 297        retval = kovaplus_set_actual_profile(usb_dev, profile);
 298        if (retval) {
 299                mutex_unlock(&kovaplus->kovaplus_lock);
 300                return retval;
 301        }
 302
 303        kovaplus_profile_activated(kovaplus, profile);
 304
 305        roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1;
 306        roccat_report.profile = profile + 1;
 307        roccat_report.button = 0;
 308        roccat_report.data1 = profile + 1;
 309        roccat_report.data2 = 0;
 310        roccat_report_event(kovaplus->chrdev_minor,
 311                        (uint8_t const *)&roccat_report);
 312
 313        mutex_unlock(&kovaplus->kovaplus_lock);
 314
 315        return size;
 316}
 317
 318static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev,
 319                struct device_attribute *attr, char *buf)
 320{
 321        struct kovaplus_device *kovaplus =
 322                        hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 323        return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi);
 324}
 325
 326static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(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_x_sensitivity);
 332}
 333
 334static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev,
 335                struct device_attribute *attr, char *buf)
 336{
 337        struct kovaplus_device *kovaplus =
 338                        hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 339        return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity);
 340}
 341
 342static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
 343                struct device_attribute *attr, char *buf)
 344{
 345        struct kovaplus_device *kovaplus =
 346                        hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 347        return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->info.firmware_version);
 348}
 349
 350static struct device_attribute kovaplus_attributes[] = {
 351        __ATTR(actual_cpi, 0440,
 352                kovaplus_sysfs_show_actual_cpi, NULL),
 353        __ATTR(firmware_version, 0440,
 354                kovaplus_sysfs_show_firmware_version, NULL),
 355        __ATTR(actual_profile, 0660,
 356                kovaplus_sysfs_show_actual_profile,
 357                kovaplus_sysfs_set_actual_profile),
 358        __ATTR(actual_sensitivity_x, 0440,
 359                kovaplus_sysfs_show_actual_sensitivity_x, NULL),
 360        __ATTR(actual_sensitivity_y, 0440,
 361                kovaplus_sysfs_show_actual_sensitivity_y, NULL),
 362        __ATTR_NULL
 363};
 364
 365static struct bin_attribute kovaplus_bin_attributes[] = {
 366        {
 367                .attr = { .name = "profile_settings", .mode = 0220 },
 368                .size = sizeof(struct kovaplus_profile_settings),
 369                .write = kovaplus_sysfs_write_profile_settings
 370        },
 371        {
 372                .attr = { .name = "profile1_settings", .mode = 0440 },
 373                .size = sizeof(struct kovaplus_profile_settings),
 374                .read = kovaplus_sysfs_read_profilex_settings,
 375                .private = &profile_numbers[0]
 376        },
 377        {
 378                .attr = { .name = "profile2_settings", .mode = 0440 },
 379                .size = sizeof(struct kovaplus_profile_settings),
 380                .read = kovaplus_sysfs_read_profilex_settings,
 381                .private = &profile_numbers[1]
 382        },
 383        {
 384                .attr = { .name = "profile3_settings", .mode = 0440 },
 385                .size = sizeof(struct kovaplus_profile_settings),
 386                .read = kovaplus_sysfs_read_profilex_settings,
 387                .private = &profile_numbers[2]
 388        },
 389        {
 390                .attr = { .name = "profile4_settings", .mode = 0440 },
 391                .size = sizeof(struct kovaplus_profile_settings),
 392                .read = kovaplus_sysfs_read_profilex_settings,
 393                .private = &profile_numbers[3]
 394        },
 395        {
 396                .attr = { .name = "profile5_settings", .mode = 0440 },
 397                .size = sizeof(struct kovaplus_profile_settings),
 398                .read = kovaplus_sysfs_read_profilex_settings,
 399                .private = &profile_numbers[4]
 400        },
 401        {
 402                .attr = { .name = "profile_buttons", .mode = 0220 },
 403                .size = sizeof(struct kovaplus_profile_buttons),
 404                .write = kovaplus_sysfs_write_profile_buttons
 405        },
 406        {
 407                .attr = { .name = "profile1_buttons", .mode = 0440 },
 408                .size = sizeof(struct kovaplus_profile_buttons),
 409                .read = kovaplus_sysfs_read_profilex_buttons,
 410                .private = &profile_numbers[0]
 411        },
 412        {
 413                .attr = { .name = "profile2_buttons", .mode = 0440 },
 414                .size = sizeof(struct kovaplus_profile_buttons),
 415                .read = kovaplus_sysfs_read_profilex_buttons,
 416                .private = &profile_numbers[1]
 417        },
 418        {
 419                .attr = { .name = "profile3_buttons", .mode = 0440 },
 420                .size = sizeof(struct kovaplus_profile_buttons),
 421                .read = kovaplus_sysfs_read_profilex_buttons,
 422                .private = &profile_numbers[2]
 423        },
 424        {
 425                .attr = { .name = "profile4_buttons", .mode = 0440 },
 426                .size = sizeof(struct kovaplus_profile_buttons),
 427                .read = kovaplus_sysfs_read_profilex_buttons,
 428                .private = &profile_numbers[3]
 429        },
 430        {
 431                .attr = { .name = "profile5_buttons", .mode = 0440 },
 432                .size = sizeof(struct kovaplus_profile_buttons),
 433                .read = kovaplus_sysfs_read_profilex_buttons,
 434                .private = &profile_numbers[4]
 435        },
 436        __ATTR_NULL
 437};
 438
 439static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev,
 440                struct kovaplus_device *kovaplus)
 441{
 442        int retval, i;
 443        static uint wait = 70; /* device will freeze with just 60 */
 444
 445        mutex_init(&kovaplus->kovaplus_lock);
 446
 447        retval = kovaplus_get_info(usb_dev, &kovaplus->info);
 448        if (retval)
 449                return retval;
 450
 451        for (i = 0; i < 5; ++i) {
 452                msleep(wait);
 453                retval = kovaplus_get_profile_settings(usb_dev,
 454                                &kovaplus->profile_settings[i], i);
 455                if (retval)
 456                        return retval;
 457
 458                msleep(wait);
 459                retval = kovaplus_get_profile_buttons(usb_dev,
 460                                &kovaplus->profile_buttons[i], i);
 461                if (retval)
 462                        return retval;
 463        }
 464
 465        msleep(wait);
 466        retval = kovaplus_get_actual_profile(usb_dev);
 467        if (retval < 0)
 468                return retval;
 469        kovaplus_profile_activated(kovaplus, retval);
 470
 471        return 0;
 472}
 473
 474static int kovaplus_init_specials(struct hid_device *hdev)
 475{
 476        struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 477        struct usb_device *usb_dev = interface_to_usbdev(intf);
 478        struct kovaplus_device *kovaplus;
 479        int retval;
 480
 481        if (intf->cur_altsetting->desc.bInterfaceProtocol
 482                        == USB_INTERFACE_PROTOCOL_MOUSE) {
 483
 484                kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL);
 485                if (!kovaplus) {
 486                        hid_err(hdev, "can't alloc device descriptor\n");
 487                        return -ENOMEM;
 488                }
 489                hid_set_drvdata(hdev, kovaplus);
 490
 491                retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus);
 492                if (retval) {
 493                        hid_err(hdev, "couldn't init struct kovaplus_device\n");
 494                        goto exit_free;
 495                }
 496
 497                retval = roccat_connect(kovaplus_class, hdev,
 498                                sizeof(struct kovaplus_roccat_report));
 499                if (retval < 0) {
 500                        hid_err(hdev, "couldn't init char dev\n");
 501                } else {
 502                        kovaplus->chrdev_minor = retval;
 503                        kovaplus->roccat_claimed = 1;
 504                }
 505
 506        } else {
 507                hid_set_drvdata(hdev, NULL);
 508        }
 509
 510        return 0;
 511exit_free:
 512        kfree(kovaplus);
 513        return retval;
 514}
 515
 516static void kovaplus_remove_specials(struct hid_device *hdev)
 517{
 518        struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 519        struct kovaplus_device *kovaplus;
 520
 521        if (intf->cur_altsetting->desc.bInterfaceProtocol
 522                        == USB_INTERFACE_PROTOCOL_MOUSE) {
 523                kovaplus = hid_get_drvdata(hdev);
 524                if (kovaplus->roccat_claimed)
 525                        roccat_disconnect(kovaplus->chrdev_minor);
 526                kfree(kovaplus);
 527        }
 528}
 529
 530static int kovaplus_probe(struct hid_device *hdev,
 531                const struct hid_device_id *id)
 532{
 533        int retval;
 534
 535        retval = hid_parse(hdev);
 536        if (retval) {
 537                hid_err(hdev, "parse failed\n");
 538                goto exit;
 539        }
 540
 541        retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 542        if (retval) {
 543                hid_err(hdev, "hw start failed\n");
 544                goto exit;
 545        }
 546
 547        retval = kovaplus_init_specials(hdev);
 548        if (retval) {
 549                hid_err(hdev, "couldn't install mouse\n");
 550                goto exit_stop;
 551        }
 552
 553        return 0;
 554
 555exit_stop:
 556        hid_hw_stop(hdev);
 557exit:
 558        return retval;
 559}
 560
 561static void kovaplus_remove(struct hid_device *hdev)
 562{
 563        kovaplus_remove_specials(hdev);
 564        hid_hw_stop(hdev);
 565}
 566
 567static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus,
 568                u8 const *data)
 569{
 570        struct kovaplus_mouse_report_button const *button_report;
 571
 572        if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON)
 573                return;
 574
 575        button_report = (struct kovaplus_mouse_report_button const *)data;
 576
 577        switch (button_report->type) {
 578        case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1:
 579                kovaplus_profile_activated(kovaplus, button_report->data1 - 1);
 580                break;
 581        case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI:
 582                kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1);
 583        case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY:
 584                kovaplus->actual_x_sensitivity = button_report->data1;
 585                kovaplus->actual_y_sensitivity = button_report->data2;
 586        }
 587}
 588
 589static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus,
 590                u8 const *data)
 591{
 592        struct kovaplus_roccat_report roccat_report;
 593        struct kovaplus_mouse_report_button const *button_report;
 594
 595        if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON)
 596                return;
 597
 598        button_report = (struct kovaplus_mouse_report_button const *)data;
 599
 600        if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2)
 601                return;
 602
 603        roccat_report.type = button_report->type;
 604        roccat_report.profile = kovaplus->actual_profile + 1;
 605
 606        if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO ||
 607                        roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT ||
 608                        roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH ||
 609                        roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER)
 610                roccat_report.button = button_report->data1;
 611        else
 612                roccat_report.button = 0;
 613
 614        if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI)
 615                roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1);
 616        else
 617                roccat_report.data1 = button_report->data1;
 618
 619        roccat_report.data2 = button_report->data2;
 620
 621        roccat_report_event(kovaplus->chrdev_minor,
 622                        (uint8_t const *)&roccat_report);
 623}
 624
 625static int kovaplus_raw_event(struct hid_device *hdev,
 626                struct hid_report *report, u8 *data, int size)
 627{
 628        struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 629        struct kovaplus_device *kovaplus = hid_get_drvdata(hdev);
 630
 631        if (intf->cur_altsetting->desc.bInterfaceProtocol
 632                        != USB_INTERFACE_PROTOCOL_MOUSE)
 633                return 0;
 634
 635        if (kovaplus == NULL)
 636                return 0;
 637
 638        kovaplus_keep_values_up_to_date(kovaplus, data);
 639
 640        if (kovaplus->roccat_claimed)
 641                kovaplus_report_to_chrdev(kovaplus, data);
 642
 643        return 0;
 644}
 645
 646static const struct hid_device_id kovaplus_devices[] = {
 647        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
 648        { }
 649};
 650
 651MODULE_DEVICE_TABLE(hid, kovaplus_devices);
 652
 653static struct hid_driver kovaplus_driver = {
 654                .name = "kovaplus",
 655                .id_table = kovaplus_devices,
 656                .probe = kovaplus_probe,
 657                .remove = kovaplus_remove,
 658                .raw_event = kovaplus_raw_event
 659};
 660
 661static int __init kovaplus_init(void)
 662{
 663        int retval;
 664
 665        kovaplus_class = class_create(THIS_MODULE, "kovaplus");
 666        if (IS_ERR(kovaplus_class))
 667                return PTR_ERR(kovaplus_class);
 668        kovaplus_class->dev_attrs = kovaplus_attributes;
 669        kovaplus_class->dev_bin_attrs = kovaplus_bin_attributes;
 670
 671        retval = hid_register_driver(&kovaplus_driver);
 672        if (retval)
 673                class_destroy(kovaplus_class);
 674        return retval;
 675}
 676
 677static void __exit kovaplus_exit(void)
 678{
 679        hid_unregister_driver(&kovaplus_driver);
 680        class_destroy(kovaplus_class);
 681}
 682
 683module_init(kovaplus_init);
 684module_exit(kovaplus_exit);
 685
 686MODULE_AUTHOR("Stefan Achatz");
 687MODULE_DESCRIPTION("USB Roccat Kova[+] driver");
 688MODULE_LICENSE("GPL v2");
 689
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