diff options
Diffstat (limited to 'drivers/hid/hid-roccat-kovaplus.c')
| -rw-r--r-- | drivers/hid/hid-roccat-kovaplus.c | 715 |
1 files changed, 715 insertions, 0 deletions
diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c new file mode 100644 index 00000000000..1f547a2b39d --- /dev/null +++ b/drivers/hid/hid-roccat-kovaplus.c @@ -0,0 +1,715 @@ +/* + * Roccat Kova[+] driver for Linux + * + * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* + * Roccat Kova[+] is a bigger version of the Pyra with two more side buttons. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/slab.h> +#include "hid-ids.h" +#include "hid-roccat.h" +#include "hid-roccat-common.h" +#include "hid-roccat-kovaplus.h" + +static uint profile_numbers[5] = {0, 1, 2, 3, 4}; + +static struct class *kovaplus_class; + +static uint kovaplus_convert_event_cpi(uint value) +{ + return (value == 7 ? 4 : (value == 4 ? 3 : value)); +} + +static void kovaplus_profile_activated(struct kovaplus_device *kovaplus, + uint new_profile_index) +{ + kovaplus->actual_profile = new_profile_index; + kovaplus->actual_cpi = kovaplus->profile_settings[new_profile_index].cpi_startup_level; + kovaplus->actual_x_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_x; + kovaplus->actual_y_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_y; +} + +static int kovaplus_send_control(struct usb_device *usb_dev, uint value, + enum kovaplus_control_requests request) +{ + int retval; + struct kovaplus_control control; + + if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS || + request == KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) && + value > 4) + return -EINVAL; + + control.command = KOVAPLUS_COMMAND_CONTROL; + control.value = value; + control.request = request; + + retval = roccat_common_send(usb_dev, KOVAPLUS_USB_COMMAND_CONTROL, + &control, sizeof(struct kovaplus_control)); + + return retval; +} + +static int kovaplus_receive_control_status(struct usb_device *usb_dev) +{ + int retval; + struct kovaplus_control control; + + do { + retval = roccat_common_receive(usb_dev, KOVAPLUS_USB_COMMAND_CONTROL, + &control, sizeof(struct kovaplus_control)); + + /* check if we get a completely wrong answer */ + if (retval) + return retval; + + if (control.value == KOVAPLUS_CONTROL_REQUEST_STATUS_OK) + return 0; + + /* indicates that hardware needs some more time to complete action */ + if (control.value == KOVAPLUS_CONTROL_REQUEST_STATUS_WAIT) { + msleep(500); /* windows driver uses 1000 */ + continue; + } + + /* seems to be critical - replug necessary */ + if (control.value == KOVAPLUS_CONTROL_REQUEST_STATUS_OVERLOAD) + return -EINVAL; + + hid_err(usb_dev, "kovaplus_receive_control_status: " + "unknown response value 0x%x\n", control.value); + return -EINVAL; + } while (1); +} + +static int kovaplus_send(struct usb_device *usb_dev, uint command, + void const *buf, uint size) +{ + int retval; + + retval = roccat_common_send(usb_dev, command, buf, size); + if (retval) + return retval; + + msleep(100); + + return kovaplus_receive_control_status(usb_dev); +} + +static int kovaplus_select_profile(struct usb_device *usb_dev, uint number, + enum kovaplus_control_requests request) +{ + return kovaplus_send_control(usb_dev, number, request); +} + +static int kovaplus_get_info(struct usb_device *usb_dev, + struct kovaplus_info *buf) +{ + return roccat_common_receive(usb_dev, KOVAPLUS_USB_COMMAND_INFO, + buf, sizeof(struct kovaplus_info)); +} + +static int kovaplus_get_profile_settings(struct usb_device *usb_dev, + struct kovaplus_profile_settings *buf, uint number) +{ + int retval; + + retval = kovaplus_select_profile(usb_dev, number, + KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); + if (retval) + return retval; + + return roccat_common_receive(usb_dev, KOVAPLUS_USB_COMMAND_PROFILE_SETTINGS, + buf, sizeof(struct kovaplus_profile_settings)); +} + +static int kovaplus_set_profile_settings(struct usb_device *usb_dev, + struct kovaplus_profile_settings const *settings) +{ + return kovaplus_send(usb_dev, KOVAPLUS_USB_COMMAND_PROFILE_SETTINGS, + settings, sizeof(struct kovaplus_profile_settings)); +} + +static int kovaplus_get_profile_buttons(struct usb_device *usb_dev, + struct kovaplus_profile_buttons *buf, int number) +{ + int retval; + + retval = kovaplus_select_profile(usb_dev, number, + KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); + if (retval) + return retval; + + return roccat_common_receive(usb_dev, KOVAPLUS_USB_COMMAND_PROFILE_BUTTONS, + buf, sizeof(struct kovaplus_profile_buttons)); +} + +static int kovaplus_set_profile_buttons(struct usb_device *usb_dev, + struct kovaplus_profile_buttons const *buttons) +{ + return kovaplus_send(usb_dev, KOVAPLUS_USB_COMMAND_PROFILE_BUTTONS, + buttons, sizeof(struct kovaplus_profile_buttons)); +} + +/* retval is 0-4 on success, < 0 on error */ +static int kovaplus_get_actual_profile(struct usb_device *usb_dev) +{ + struct kovaplus_actual_profile buf; + int retval; + + retval = roccat_common_receive(usb_dev, KOVAPLUS_USB_COMMAND_ACTUAL_PROFILE, + &buf, sizeof(struct kovaplus_actual_profile)); + + return retval ? retval : buf.actual_profile; +} + +static int kovaplus_set_actual_profile(struct usb_device *usb_dev, + int new_profile) +{ + struct kovaplus_actual_profile buf; + + buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE; + buf.size = sizeof(struct kovaplus_actual_profile); + buf.actual_profile = new_profile; + + return kovaplus_send(usb_dev, KOVAPLUS_USB_COMMAND_ACTUAL_PROFILE, + &buf, sizeof(struct kovaplus_actual_profile)); +} + +static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); + + if (off >= sizeof(struct kovaplus_profile_settings)) + return 0; + + if (off + count > sizeof(struct kovaplus_profile_settings)) + count = sizeof(struct kovaplus_profile_settings) - off; + + mutex_lock(&kovaplus->kovaplus_lock); + memcpy(buf, ((char const *)&kovaplus->profile_settings[*(uint *)(attr->private)]) + off, + count); + mutex_unlock(&kovaplus->kovaplus_lock); + + return count; +} + +static ssize_t kovaplus_sysfs_write_profile_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval = 0; + int difference; + int profile_index; + struct kovaplus_profile_settings *profile_settings; + + if (off != 0 || count != sizeof(struct kovaplus_profile_settings)) + return -EINVAL; + + profile_index = ((struct kovaplus_profile_settings const *)buf)->profile_index; + profile_settings = &kovaplus->profile_settings[profile_index]; + + mutex_lock(&kovaplus->kovaplus_lock); + difference = memcmp(buf, profile_settings, + sizeof(struct kovaplus_profile_settings)); + if (difference) { + retval = kovaplus_set_profile_settings(usb_dev, + (struct kovaplus_profile_settings const *)buf); + if (!retval) + memcpy(profile_settings, buf, + sizeof(struct kovaplus_profile_settings)); + } + mutex_unlock(&kovaplus->kovaplus_lock); + + if (retval) + return retval; + + return sizeof(struct kovaplus_profile_settings); +} + +static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); + + if (off >= sizeof(struct kovaplus_profile_buttons)) + return 0; + + if (off + count > sizeof(struct kovaplus_profile_buttons)) + count = sizeof(struct kovaplus_profile_buttons) - off; + + mutex_lock(&kovaplus->kovaplus_lock); + memcpy(buf, ((char const *)&kovaplus->profile_buttons[*(uint *)(attr->private)]) + off, + count); + mutex_unlock(&kovaplus->kovaplus_lock); + + return count; +} + +static ssize_t kovaplus_sysfs_write_profile_buttons(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = + container_of(kobj, struct device, kobj)->parent->parent; + struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval = 0; + int difference; + uint profile_index; + struct kovaplus_profile_buttons *profile_buttons; + + if (off != 0 || count != sizeof(struct kovaplus_profile_buttons)) + return -EINVAL; + + profile_index = ((struct kovaplus_profile_buttons const *)buf)->profile_index; + profile_buttons = &kovaplus->profile_buttons[profile_index]; + + mutex_lock(&kovaplus->kovaplus_lock); + difference = memcmp(buf, profile_buttons, + sizeof(struct kovaplus_profile_buttons)); + if (difference) { + retval = kovaplus_set_profile_buttons(usb_dev, + (struct kovaplus_profile_buttons const *)buf); + if (!retval) + memcpy(profile_buttons, buf, + sizeof(struct kovaplus_profile_buttons)); + } + mutex_unlock(&kovaplus->kovaplus_lock); + + if (retval) + return retval; + + return sizeof(struct kovaplus_profile_buttons); +} + +static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kovaplus_device *kovaplus = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile); +} + +static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev, + struct device_attribute *attr, char const *buf, size_t size) +{ + struct kovaplus_device *kovaplus; + struct usb_device *usb_dev; + unsigned long profile; + int retval; + + dev = dev->parent->parent; + kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); + usb_dev = interface_to_usbdev(to_usb_interface(dev)); + + retval = strict_strtoul(buf, 10, &profile); + if (retval) + return retval; + + if (profile >= 5) + return -EINVAL; + + mutex_lock(&kovaplus->kovaplus_lock); + retval = kovaplus_set_actual_profile(usb_dev, profile); + kovaplus->actual_profile = profile; + mutex_unlock(&kovaplus->kovaplus_lock); + if (retval) + return retval; + + return size; +} + +static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kovaplus_device *kovaplus = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi); +} + +static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kovaplus_device *kovaplus = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity); +} + +static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kovaplus_device *kovaplus = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity); +} + +static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kovaplus_device *kovaplus = + hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); + return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->info.firmware_version); +} + +static struct device_attribute kovaplus_attributes[] = { + __ATTR(actual_cpi, 0440, + kovaplus_sysfs_show_actual_cpi, NULL), + __ATTR(firmware_version, 0440, + kovaplus_sysfs_show_firmware_version, NULL), + __ATTR(actual_profile, 0660, + kovaplus_sysfs_show_actual_profile, + kovaplus_sysfs_set_actual_profile), + __ATTR(actual_sensitivity_x, 0440, + kovaplus_sysfs_show_actual_sensitivity_x, NULL), + __ATTR(actual_sensitivity_y, 0440, + kovaplus_sysfs_show_actual_sensitivity_y, NULL), + __ATTR_NULL +}; + +static struct bin_attribute kovaplus_bin_attributes[] = { + { + .attr = { .name = "profile_settings", .mode = 0220 }, + .size = sizeof(struct kovaplus_profile_settings), + .write = kovaplus_sysfs_write_profile_settings + }, + { + .attr = { .name = "profile1_settings", .mode = 0440 }, + .size = sizeof(struct kovaplus_profile_settings), + .read = kovaplus_sysfs_read_profilex_settings, + .private = &profile_numbers[0] + }, + { + .attr = { .name = "profile2_settings", .mode = 0440 }, + .size = sizeof(struct kovaplus_profile_settings), + .read = kovaplus_sysfs_read_profilex_settings, + .private = &profile_numbers[1] + }, + { + .attr = { .name = "profile3_settings", .mode = 0440 }, + .size = sizeof(struct kovaplus_profile_settings), + .read = kovaplus_sysfs_read_profilex_settings, + .private = &profile_numbers[2] + }, + { + .attr = { .name = "profile4_settings", .mode = 0440 }, + .size = sizeof(struct kovaplus_profile_settings), + .read = kovaplus_sysfs_read_profilex_settings, + .private = &profile_numbers[3] + }, + { + .attr = { .name = "profile5_settings", .mode = 0440 }, + .size = sizeof(struct kovaplus_profile_settings), + .read = kovaplus_sysfs_read_profilex_settings, + .private = &profile_numbers[4] + }, + { + .attr = { .name = "profile_buttons", .mode = 0220 }, + .size = sizeof(struct kovaplus_profile_buttons), + .write = kovaplus_sysfs_write_profile_buttons + }, + { + .attr = { .name = "profile1_buttons", .mode = 0440 }, + .size = sizeof(struct kovaplus_profile_buttons), + .read = kovaplus_sysfs_read_profilex_buttons, + .private = &profile_numbers[0] + }, + { + .attr = { .name = "profile2_buttons", .mode = 0440 }, + .size = sizeof(struct kovaplus_profile_buttons), + .read = kovaplus_sysfs_read_profilex_buttons, + .private = &profile_numbers[1] + }, + { + .attr = { .name = "profile3_buttons", .mode = 0440 }, + .size = sizeof(struct kovaplus_profile_buttons), + .read = kovaplus_sysfs_read_profilex_buttons, + .private = &profile_numbers[2] + }, + { + .attr = { .name = "profile4_buttons", .mode = 0440 }, + .size = sizeof(struct kovaplus_profile_buttons), + .read = kovaplus_sysfs_read_profilex_buttons, + .private = &profile_numbers[3] + }, + { + .attr = { .name = "profile5_buttons", .mode = 0440 }, + .size = sizeof(struct kovaplus_profile_buttons), + .read = kovaplus_sysfs_read_profilex_buttons, + .private = &profile_numbers[4] + }, + __ATTR_NULL +}; + +static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev, + struct kovaplus_device *kovaplus) +{ + int retval, i; + static uint wait = 70; /* device will freeze with just 60 */ + + mutex_init(&kovaplus->kovaplus_lock); + + retval = kovaplus_get_info(usb_dev, &kovaplus->info); + if (retval) + return retval; + + for (i = 0; i < 5; ++i) { + msleep(wait); + retval = kovaplus_get_profile_settings(usb_dev, + &kovaplus->profile_settings[i], i); + if (retval) + return retval; + + msleep(wait); + retval = kovaplus_get_profile_buttons(usb_dev, + &kovaplus->profile_buttons[i], i); + if (retval) + return retval; + } + + msleep(wait); + retval = kovaplus_get_actual_profile(usb_dev); + if (retval < 0) + return retval; + kovaplus_profile_activated(kovaplus, retval); + + return 0; +} + +static int kovaplus_init_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *usb_dev = interface_to_usbdev(intf); + struct kovaplus_device *kovaplus; + int retval; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + == USB_INTERFACE_PROTOCOL_MOUSE) { + + kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL); + if (!kovaplus) { + hid_err(hdev, "can't alloc device descriptor\n"); + return -ENOMEM; + } + hid_set_drvdata(hdev, kovaplus); + + retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus); + if (retval) { + hid_err(hdev, "couldn't init struct kovaplus_device\n"); + goto exit_free; + } + + retval = roccat_connect(kovaplus_class, hdev); + if (retval < 0) { + hid_err(hdev, "couldn't init char dev\n"); + } else { + kovaplus->chrdev_minor = retval; + kovaplus->roccat_claimed = 1; + } + + } else { + hid_set_drvdata(hdev, NULL); + } + + return 0; +exit_free: + kfree(kovaplus); + return retval; +} + +static void kovaplus_remove_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct kovaplus_device *kovaplus; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + == USB_INTERFACE_PROTOCOL_MOUSE) { + kovaplus = hid_get_drvdata(hdev); + if (kovaplus->roccat_claimed) + roccat_disconnect(kovaplus->chrdev_minor); + kfree(kovaplus); + } +} + +static int kovaplus_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int retval; + + retval = hid_parse(hdev); + if (retval) { + hid_err(hdev, "parse failed\n"); + goto exit; + } + + retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (retval) { + hid_err(hdev, "hw start failed\n"); + goto exit; + } + + retval = kovaplus_init_specials(hdev); + if (retval) { + hid_err(hdev, "couldn't install mouse\n"); + goto exit_stop; + } + + return 0; + +exit_stop: + hid_hw_stop(hdev); +exit: + return retval; +} + +static void kovaplus_remove(struct hid_device *hdev) +{ + kovaplus_remove_specials(hdev); + hid_hw_stop(hdev); +} + +static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus, + u8 const *data) +{ + struct kovaplus_mouse_report_button const *button_report; + + if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) + return; + + button_report = (struct kovaplus_mouse_report_button const *)data; + + switch (button_report->type) { + case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1: + kovaplus_profile_activated(kovaplus, button_report->data1 - 1); + break; + case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI: + kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1); + case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY: + kovaplus->actual_x_sensitivity = button_report->data1; + kovaplus->actual_y_sensitivity = button_report->data2; + } +} + +static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus, + u8 const *data) +{ + struct kovaplus_roccat_report roccat_report; + struct kovaplus_mouse_report_button const *button_report; + + if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) + return; + + button_report = (struct kovaplus_mouse_report_button const *)data; + + if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2) + return; + + roccat_report.type = button_report->type; + roccat_report.profile = kovaplus->actual_profile + 1; + + if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO || + roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT || + roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH || + roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) + roccat_report.button = button_report->data1; + else + roccat_report.button = 0; + + if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI) + roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1); + else + roccat_report.data1 = button_report->data1; + + roccat_report.data2 = button_report->data2; + + roccat_report_event(kovaplus->chrdev_minor, + (uint8_t const *)&roccat_report, + sizeof(struct kovaplus_roccat_report)); +} + +static int kovaplus_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *data, int size) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct kovaplus_device *kovaplus = hid_get_drvdata(hdev); + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != USB_INTERFACE_PROTOCOL_MOUSE) + return 0; + + kovaplus_keep_values_up_to_date(kovaplus, data); + + if (kovaplus->roccat_claimed) + kovaplus_report_to_chrdev(kovaplus, data); + + return 0; +} + +static const struct hid_device_id kovaplus_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, + { } +}; + +MODULE_DEVICE_TABLE(hid, kovaplus_devices); + +static struct hid_driver kovaplus_driver = { + .name = "kovaplus", + .id_table = kovaplus_devices, + .probe = kovaplus_probe, + .remove = kovaplus_remove, + .raw_event = kovaplus_raw_event +}; + +static int __init kovaplus_init(void) +{ + int retval; + + kovaplus_class = class_create(THIS_MODULE, "kovaplus"); + if (IS_ERR(kovaplus_class)) + return PTR_ERR(kovaplus_class); + kovaplus_class->dev_attrs = kovaplus_attributes; + kovaplus_class->dev_bin_attrs = kovaplus_bin_attributes; + + retval = hid_register_driver(&kovaplus_driver); + if (retval) + class_destroy(kovaplus_class); + return retval; +} + +static void __exit kovaplus_exit(void) +{ + class_destroy(kovaplus_class); + hid_unregister_driver(&kovaplus_driver); +} + +module_init(kovaplus_init); +module_exit(kovaplus_exit); + +MODULE_AUTHOR("Stefan Achatz"); +MODULE_DESCRIPTION("USB Roccat Kova[+] driver"); +MODULE_LICENSE("GPL v2"); |