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) \
 200{ \
 201        .attr = { .name = #thingy, .mode = 0660 }, \
 202        .size = KOVAPLUS_SIZE_ ## THINGY, \
 203        .read = kovaplus_sysfs_read_ ## thingy, \
 204        .write = kovaplus_sysfs_write_ ## thingy \
 205}
 206
 207#define KOVAPLUS_BIN_ATTRIBUTE_R(thingy, THINGY) \
 208{ \
 209        .attr = { .name = #thingy, .mode = 0440 }, \
 210        .size = KOVAPLUS_SIZE_ ## THINGY, \
 211        .read = kovaplus_sysfs_read_ ## thingy, \
 212}
 213
 214#define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
 215{ \
 216        .attr = { .name = #thingy, .mode = 0220 }, \
 217        .size = KOVAPLUS_SIZE_ ## THINGY, \
 218        .write = kovaplus_sysfs_write_ ## thingy \
 219}
 220
 221KOVAPLUS_SYSFS_W(control, CONTROL)
 222KOVAPLUS_SYSFS_RW(info, INFO)
 223KOVAPLUS_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
 224KOVAPLUS_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
 225
 226static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
 227                struct kobject *kobj, struct bin_attribute *attr, char *buf,
 228                loff_t off, size_t count)
 229{
 230        struct device *dev =
 231                        container_of(kobj, struct device, kobj)->parent->parent;
 232        struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 233        ssize_t retval;
 234
 235        retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
 236                        KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
 237        if (retval)
 238                return retval;
 239
 240        return kovaplus_sysfs_read(fp, kobj, buf, off, count,
 241                        KOVAPLUS_SIZE_PROFILE_SETTINGS,
 242                        KOVAPLUS_COMMAND_PROFILE_SETTINGS);
 243}
 244
 245static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
 246                struct kobject *kobj, struct bin_attribute *attr, char *buf,
 247                loff_t off, size_t count)
 248{
 249        struct device *dev =
 250                        container_of(kobj, struct device, kobj)->parent->parent;
 251        struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 252        ssize_t retval;
 253
 254        retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
 255                        KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
 256        if (retval)
 257                return retval;
 258
 259        return kovaplus_sysfs_read(fp, kobj, buf, off, count,
 260                        KOVAPLUS_SIZE_PROFILE_BUTTONS,
 261                        KOVAPLUS_COMMAND_PROFILE_BUTTONS);
 262}
 263
 264static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev,
 265                struct device_attribute *attr, char *buf)
 266{
 267        struct kovaplus_device *kovaplus =
 268                        hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 269        return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile);
 270}
 271
 272static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev,
 273                struct device_attribute *attr, char const *buf, size_t size)
 274{
 275        struct kovaplus_device *kovaplus;
 276        struct usb_device *usb_dev;
 277        unsigned long profile;
 278        int retval;
 279        struct kovaplus_roccat_report roccat_report;
 280
 281        dev = dev->parent->parent;
 282        kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 283        usb_dev = interface_to_usbdev(to_usb_interface(dev));
 284
 285        retval = strict_strtoul(buf, 10, &profile);
 286        if (retval)
 287                return retval;
 288
 289        if (profile >= 5)
 290                return -EINVAL;
 291
 292        mutex_lock(&kovaplus->kovaplus_lock);
 293        retval = kovaplus_set_actual_profile(usb_dev, profile);
 294        if (retval) {
 295                mutex_unlock(&kovaplus->kovaplus_lock);
 296                return retval;
 297        }
 298
 299        kovaplus_profile_activated(kovaplus, profile);
 300
 301        roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1;
 302        roccat_report.profile = profile + 1;
 303        roccat_report.button = 0;
 304        roccat_report.data1 = profile + 1;
 305        roccat_report.data2 = 0;
 306        roccat_report_event(kovaplus->chrdev_minor,
 307                        (uint8_t const *)&roccat_report);
 308
 309        mutex_unlock(&kovaplus->kovaplus_lock);
 310
 311        return size;
 312}
 313
 314static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev,
 315                struct device_attribute *attr, char *buf)
 316{
 317        struct kovaplus_device *kovaplus =
 318                        hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 319        return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi);
 320}
 321
 322static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev,
 323                struct device_attribute *attr, char *buf)
 324{
 325        struct kovaplus_device *kovaplus =
 326                        hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
 327        return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity);
 328}
 329
 330static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(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_y_sensitivity);
 336}
 337
 338static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
 339                struct device_attribute *attr, char *buf)
 340{
 341        struct kovaplus_device *kovaplus;
 342        struct usb_device *usb_dev;
 343        struct kovaplus_info info;
 344
 345        dev = dev->parent->parent;
 346        kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 347        usb_dev = interface_to_usbdev(to_usb_interface(dev));
 348
 349        mutex_lock(&kovaplus->kovaplus_lock);
 350        roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
 351                        &info, KOVAPLUS_SIZE_INFO);
 352        mutex_unlock(&kovaplus->kovaplus_lock);
 353
 354        return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
 355}
 356
 357static struct device_attribute kovaplus_attributes[] = {
 358        __ATTR(actual_cpi, 0440,
 359                kovaplus_sysfs_show_actual_cpi, NULL),
 360        __ATTR(firmware_version, 0440,
 361                kovaplus_sysfs_show_firmware_version, NULL),
 362        __ATTR(actual_profile, 0660,
 363                kovaplus_sysfs_show_actual_profile,
 364                kovaplus_sysfs_set_actual_profile),
 365        __ATTR(actual_sensitivity_x, 0440,
 366                kovaplus_sysfs_show_actual_sensitivity_x, NULL),
 367        __ATTR(actual_sensitivity_y, 0440,
 368                kovaplus_sysfs_show_actual_sensitivity_y, NULL),
 369        __ATTR_NULL
 370};
 371
 372static struct bin_attribute kovaplus_bin_attributes[] = {
 373        KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL),
 374        KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO),
 375        KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
 376        KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
 377        {
 378                .attr = { .name = "profile1_settings", .mode = 0440 },
 379                .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
 380                .read = kovaplus_sysfs_read_profilex_settings,
 381                .private = &profile_numbers[0]
 382        },
 383        {
 384                .attr = { .name = "profile2_settings", .mode = 0440 },
 385                .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
 386                .read = kovaplus_sysfs_read_profilex_settings,
 387                .private = &profile_numbers[1]
 388        },
 389        {
 390                .attr = { .name = "profile3_settings", .mode = 0440 },
 391                .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
 392                .read = kovaplus_sysfs_read_profilex_settings,
 393                .private = &profile_numbers[2]
 394        },
 395        {
 396                .attr = { .name = "profile4_settings", .mode = 0440 },
 397                .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
 398                .read = kovaplus_sysfs_read_profilex_settings,
 399                .private = &profile_numbers[3]
 400        },
 401        {
 402                .attr = { .name = "profile5_settings", .mode = 0440 },
 403                .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
 404                .read = kovaplus_sysfs_read_profilex_settings,
 405                .private = &profile_numbers[4]
 406        },
 407        {
 408                .attr = { .name = "profile1_buttons", .mode = 0440 },
 409                .size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
 410                .read = kovaplus_sysfs_read_profilex_buttons,
 411                .private = &profile_numbers[0]
 412        },
 413        {
 414                .attr = { .name = "profile2_buttons", .mode = 0440 },
 415                .size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
 416                .read = kovaplus_sysfs_read_profilex_buttons,
 417                .private = &profile_numbers[1]
 418        },
 419        {
 420                .attr = { .name = "profile3_buttons", .mode = 0440 },
 421                .size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
 422                .read = kovaplus_sysfs_read_profilex_buttons,
 423                .private = &profile_numbers[2]
 424        },
 425        {
 426                .attr = { .name = "profile4_buttons", .mode = 0440 },
 427                .size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
 428                .read = kovaplus_sysfs_read_profilex_buttons,
 429                .private = &profile_numbers[3]
 430        },
 431        {
 432                .attr = { .name = "profile5_buttons", .mode = 0440 },
 433                .size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
 434                .read = kovaplus_sysfs_read_profilex_buttons,
 435                .private = &profile_numbers[4]
 436        },
 437        __ATTR_NULL
 438};
 439
 440static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev,
 441                struct kovaplus_device *kovaplus)
 442{
 443        int retval, i;
 444        static uint wait = 70; /* device will freeze with just 60 */
 445
 446        mutex_init(&kovaplus->kovaplus_lock);
 447
 448        for (i = 0; i < 5; ++i) {
 449                msleep(wait);
 450                retval = kovaplus_get_profile_settings(usb_dev,
 451                                &kovaplus->profile_settings[i], i);
 452                if (retval)
 453                        return retval;
 454
 455                msleep(wait);
 456                retval = kovaplus_get_profile_buttons(usb_dev,
 457                                &kovaplus->profile_buttons[i], i);
 458                if (retval)
 459                        return retval;
 460        }
 461
 462        msleep(wait);
 463        retval = kovaplus_get_actual_profile(usb_dev);
 464        if (retval < 0)
 465                return retval;
 466        kovaplus_profile_activated(kovaplus, retval);
 467
 468        return 0;
 469}
 470
 471static int kovaplus_init_specials(struct hid_device *hdev)
 472{
 473        struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 474        struct usb_device *usb_dev = interface_to_usbdev(intf);
 475        struct kovaplus_device *kovaplus;
 476        int retval;
 477
 478        if (intf->cur_altsetting->desc.bInterfaceProtocol
 479                        == USB_INTERFACE_PROTOCOL_MOUSE) {
 480
 481                kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL);
 482                if (!kovaplus) {
 483                        hid_err(hdev, "can't alloc device descriptor\n");
 484                        return -ENOMEM;
 485                }
 486                hid_set_drvdata(hdev, kovaplus);
 487
 488                retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus);
 489                if (retval) {
 490                        hid_err(hdev, "couldn't init struct kovaplus_device\n");
 491                        goto exit_free;
 492                }
 493
 494                retval = roccat_connect(kovaplus_class, hdev,
 495                                sizeof(struct kovaplus_roccat_report));
 496                if (retval < 0) {
 497                        hid_err(hdev, "couldn't init char dev\n");
 498                } else {
 499                        kovaplus->chrdev_minor = retval;
 500                        kovaplus->roccat_claimed = 1;
 501                }
 502
 503        } else {
 504                hid_set_drvdata(hdev, NULL);
 505        }
 506
 507        return 0;
 508exit_free:
 509        kfree(kovaplus);
 510        return retval;
 511}
 512
 513static void kovaplus_remove_specials(struct hid_device *hdev)
 514{
 515        struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 516        struct kovaplus_device *kovaplus;
 517
 518        if (intf->cur_altsetting->desc.bInterfaceProtocol
 519                        == USB_INTERFACE_PROTOCOL_MOUSE) {
 520                kovaplus = hid_get_drvdata(hdev);
 521                if (kovaplus->roccat_claimed)
 522                        roccat_disconnect(kovaplus->chrdev_minor);
 523                kfree(kovaplus);
 524        }
 525}
 526
 527static int kovaplus_probe(struct hid_device *hdev,
 528                const struct hid_device_id *id)
 529{
 530        int retval;
 531
 532        retval = hid_parse(hdev);
 533        if (retval) {
 534                hid_err(hdev, "parse failed\n");
 535                goto exit;
 536        }
 537
 538        retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 539        if (retval) {
 540                hid_err(hdev, "hw start failed\n");
 541                goto exit;
 542        }
 543
 544        retval = kovaplus_init_specials(hdev);
 545        if (retval) {
 546                hid_err(hdev, "couldn't install mouse\n");
 547                goto exit_stop;
 548        }
 549
 550        return 0;
 551
 552exit_stop:
 553        hid_hw_stop(hdev);
 554exit:
 555        return retval;
 556}
 557
 558static void kovaplus_remove(struct hid_device *hdev)
 559{
 560        kovaplus_remove_specials(hdev);
 561        hid_hw_stop(hdev);
 562}
 563
 564static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus,
 565                u8 const *data)
 566{
 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        switch (button_report->type) {
 575        case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1:
 576                kovaplus_profile_activated(kovaplus, button_report->data1 - 1);
 577                break;
 578        case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI:
 579                kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1);
 580        case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY:
 581                kovaplus->actual_x_sensitivity = button_report->data1;
 582                kovaplus->actual_y_sensitivity = button_report->data2;
 583        }
 584}
 585
 586static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus,
 587                u8 const *data)
 588{
 589        struct kovaplus_roccat_report roccat_report;
 590        struct kovaplus_mouse_report_button const *button_report;
 591
 592        if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON)
 593                return;
 594
 595        button_report = (struct kovaplus_mouse_report_button const *)data;
 596
 597        if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2)
 598                return;
 599
 600        roccat_report.type = button_report->type;
 601        roccat_report.profile = kovaplus->actual_profile + 1;
 602
 603        if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO ||
 604                        roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT ||
 605                        roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH ||
 606                        roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER)
 607                roccat_report.button = button_report->data1;
 608        else
 609                roccat_report.button = 0;
 610
 611        if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI)
 612                roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1);
 613        else
 614                roccat_report.data1 = button_report->data1;
 615
 616        roccat_report.data2 = button_report->data2;
 617
 618        roccat_report_event(kovaplus->chrdev_minor,
 619                        (uint8_t const *)&roccat_report);
 620}
 621
 622static int kovaplus_raw_event(struct hid_device *hdev,
 623                struct hid_report *report, u8 *data, int size)
 624{
 625        struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 626        struct kovaplus_device *kovaplus = hid_get_drvdata(hdev);
 627
 628        if (intf->cur_altsetting->desc.bInterfaceProtocol
 629                        != USB_INTERFACE_PROTOCOL_MOUSE)
 630                return 0;
 631
 632        if (kovaplus == NULL)
 633                return 0;
 634
 635        kovaplus_keep_values_up_to_date(kovaplus, data);
 636
 637        if (kovaplus->roccat_claimed)
 638                kovaplus_report_to_chrdev(kovaplus, data);
 639
 640        return 0;
 641}
 642
 643static const struct hid_device_id kovaplus_devices[] = {
 644        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
 645        { }
 646};
 647
 648MODULE_DEVICE_TABLE(hid, kovaplus_devices);
 649
 650static struct hid_driver kovaplus_driver = {
 651                .name = "kovaplus",
 652                .id_table = kovaplus_devices,
 653                .probe = kovaplus_probe,
 654                .remove = kovaplus_remove,
 655                .raw_event = kovaplus_raw_event
 656};
 657
 658static int __init kovaplus_init(void)
 659{
 660        int retval;
 661
 662        kovaplus_class = class_create(THIS_MODULE, "kovaplus");
 663        if (IS_ERR(kovaplus_class))
 664                return PTR_ERR(kovaplus_class);
 665        kovaplus_class->dev_attrs = kovaplus_attributes;
 666        kovaplus_class->dev_bin_attrs = kovaplus_bin_attributes;
 667
 668        retval = hid_register_driver(&kovaplus_driver);
 669        if (retval)
 670                class_destroy(kovaplus_class);
 671        return retval;
 672}
 673
 674static void __exit kovaplus_exit(void)
 675{
 676        hid_unregister_driver(&kovaplus_driver);
 677        class_destroy(kovaplus_class);
 678}
 679
 680module_init(kovaplus_init);
 681module_exit(kovaplus_exit);
 682
 683MODULE_AUTHOR("Stefan Achatz");
 684MODULE_DESCRIPTION("USB Roccat Kova[+] driver");
 685MODULE_LICENSE("GPL v2");
 686
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