[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/hid/hid-roccat-kovaplus.c b/src/kernel/linux/v4.14/drivers/hid/hid-roccat-kovaplus.c
new file mode 100644
index 0000000..317c9c2
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/hid/hid-roccat-kovaplus.c
@@ -0,0 +1,663 @@
+/*
+ * 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 <linux/hid-roccat.h>
+#include "hid-ids.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)
+{
+ if (new_profile_index >= ARRAY_SIZE(kovaplus->profile_settings))
+ return;
+ 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 roccat_common2_control control;
+
+ if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS ||
+ request == KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&
+ value > 4)
+ return -EINVAL;
+
+ control.command = ROCCAT_COMMON_COMMAND_CONTROL;
+ control.value = value;
+ control.request = request;
+
+ retval = roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL,
+ &control, sizeof(struct roccat_common2_control));
+
+ return retval;
+}
+
+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_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_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS,
+ buf, KOVAPLUS_SIZE_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_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS,
+ buf, KOVAPLUS_SIZE_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_common2_receive(usb_dev, KOVAPLUS_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 roccat_common2_send_with_status(usb_dev,
+ KOVAPLUS_COMMAND_ACTUAL_PROFILE,
+ &buf, sizeof(struct kovaplus_actual_profile));
+}
+
+static ssize_t kovaplus_sysfs_read(struct file *fp, struct kobject *kobj,
+ char *buf, loff_t off, size_t count,
+ size_t real_size, uint command)
+{
+ struct device *dev = kobj_to_dev(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;
+
+ if (off >= real_size)
+ return 0;
+
+ if (off != 0 || count != real_size)
+ return -EINVAL;
+
+ mutex_lock(&kovaplus->kovaplus_lock);
+ retval = roccat_common2_receive(usb_dev, command, buf, real_size);
+ mutex_unlock(&kovaplus->kovaplus_lock);
+
+ if (retval)
+ return retval;
+
+ return real_size;
+}
+
+static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj,
+ void const *buf, loff_t off, size_t count,
+ size_t real_size, uint command)
+{
+ struct device *dev = kobj_to_dev(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;
+
+ if (off != 0 || count != real_size)
+ return -EINVAL;
+
+ mutex_lock(&kovaplus->kovaplus_lock);
+ retval = roccat_common2_send_with_status(usb_dev, command,
+ buf, real_size);
+ mutex_unlock(&kovaplus->kovaplus_lock);
+
+ if (retval)
+ return retval;
+
+ return real_size;
+}
+
+#define KOVAPLUS_SYSFS_W(thingy, THINGY) \
+static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \
+ struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+ loff_t off, size_t count) \
+{ \
+ return kovaplus_sysfs_write(fp, kobj, buf, off, count, \
+ KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
+}
+
+#define KOVAPLUS_SYSFS_R(thingy, THINGY) \
+static ssize_t kovaplus_sysfs_read_ ## thingy(struct file *fp, \
+ struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+ loff_t off, size_t count) \
+{ \
+ return kovaplus_sysfs_read(fp, kobj, buf, off, count, \
+ KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
+}
+
+#define KOVAPLUS_SYSFS_RW(thingy, THINGY) \
+KOVAPLUS_SYSFS_W(thingy, THINGY) \
+KOVAPLUS_SYSFS_R(thingy, THINGY)
+
+#define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
+KOVAPLUS_SYSFS_RW(thingy, THINGY); \
+static struct bin_attribute bin_attr_##thingy = { \
+ .attr = { .name = #thingy, .mode = 0660 }, \
+ .size = KOVAPLUS_SIZE_ ## THINGY, \
+ .read = kovaplus_sysfs_read_ ## thingy, \
+ .write = kovaplus_sysfs_write_ ## thingy \
+}
+
+#define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
+KOVAPLUS_SYSFS_W(thingy, THINGY); \
+static struct bin_attribute bin_attr_##thingy = { \
+ .attr = { .name = #thingy, .mode = 0220 }, \
+ .size = KOVAPLUS_SIZE_ ## THINGY, \
+ .write = kovaplus_sysfs_write_ ## thingy \
+}
+KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL);
+KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO);
+KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
+KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
+
+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 = kobj_to_dev(kobj)->parent->parent;
+ struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+ ssize_t retval;
+
+ retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
+ KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
+ if (retval)
+ return retval;
+
+ return kovaplus_sysfs_read(fp, kobj, buf, off, count,
+ KOVAPLUS_SIZE_PROFILE_SETTINGS,
+ KOVAPLUS_COMMAND_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 = kobj_to_dev(kobj)->parent->parent;
+ struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+ ssize_t retval;
+
+ retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
+ KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
+ if (retval)
+ return retval;
+
+ return kovaplus_sysfs_read(fp, kobj, buf, off, count,
+ KOVAPLUS_SIZE_PROFILE_BUTTONS,
+ KOVAPLUS_COMMAND_PROFILE_BUTTONS);
+}
+
+#define PROFILE_ATTR(number) \
+static struct bin_attribute bin_attr_profile##number##_settings = { \
+ .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \
+ .size = KOVAPLUS_SIZE_PROFILE_SETTINGS, \
+ .read = kovaplus_sysfs_read_profilex_settings, \
+ .private = &profile_numbers[number-1], \
+}; \
+static struct bin_attribute bin_attr_profile##number##_buttons = { \
+ .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \
+ .size = KOVAPLUS_SIZE_PROFILE_BUTTONS, \
+ .read = kovaplus_sysfs_read_profilex_buttons, \
+ .private = &profile_numbers[number-1], \
+};
+PROFILE_ATTR(1);
+PROFILE_ATTR(2);
+PROFILE_ATTR(3);
+PROFILE_ATTR(4);
+PROFILE_ATTR(5);
+
+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;
+ struct kovaplus_roccat_report roccat_report;
+
+ dev = dev->parent->parent;
+ kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
+ usb_dev = interface_to_usbdev(to_usb_interface(dev));
+
+ retval = kstrtoul(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);
+ if (retval) {
+ mutex_unlock(&kovaplus->kovaplus_lock);
+ return retval;
+ }
+
+ kovaplus_profile_activated(kovaplus, profile);
+
+ roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1;
+ roccat_report.profile = profile + 1;
+ roccat_report.button = 0;
+ roccat_report.data1 = profile + 1;
+ roccat_report.data2 = 0;
+ roccat_report_event(kovaplus->chrdev_minor,
+ (uint8_t const *)&roccat_report);
+
+ mutex_unlock(&kovaplus->kovaplus_lock);
+
+ return size;
+}
+static DEVICE_ATTR(actual_profile, 0660,
+ kovaplus_sysfs_show_actual_profile,
+ kovaplus_sysfs_set_actual_profile);
+
+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 DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL);
+
+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 DEVICE_ATTR(actual_sensitivity_x, 0440,
+ kovaplus_sysfs_show_actual_sensitivity_x, NULL);
+
+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 DEVICE_ATTR(actual_sensitivity_y, 0440,
+ kovaplus_sysfs_show_actual_sensitivity_y, NULL);
+
+static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct kovaplus_device *kovaplus;
+ struct usb_device *usb_dev;
+ struct kovaplus_info info;
+
+ dev = dev->parent->parent;
+ kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
+ usb_dev = interface_to_usbdev(to_usb_interface(dev));
+
+ mutex_lock(&kovaplus->kovaplus_lock);
+ roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
+ &info, KOVAPLUS_SIZE_INFO);
+ mutex_unlock(&kovaplus->kovaplus_lock);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
+}
+static DEVICE_ATTR(firmware_version, 0440,
+ kovaplus_sysfs_show_firmware_version, NULL);
+
+static struct attribute *kovaplus_attrs[] = {
+ &dev_attr_actual_cpi.attr,
+ &dev_attr_firmware_version.attr,
+ &dev_attr_actual_profile.attr,
+ &dev_attr_actual_sensitivity_x.attr,
+ &dev_attr_actual_sensitivity_y.attr,
+ NULL,
+};
+
+static struct bin_attribute *kovaplus_bin_attributes[] = {
+ &bin_attr_control,
+ &bin_attr_info,
+ &bin_attr_profile_settings,
+ &bin_attr_profile_buttons,
+ &bin_attr_profile1_settings,
+ &bin_attr_profile2_settings,
+ &bin_attr_profile3_settings,
+ &bin_attr_profile4_settings,
+ &bin_attr_profile5_settings,
+ &bin_attr_profile1_buttons,
+ &bin_attr_profile2_buttons,
+ &bin_attr_profile3_buttons,
+ &bin_attr_profile4_buttons,
+ &bin_attr_profile5_buttons,
+ NULL,
+};
+
+static const struct attribute_group kovaplus_group = {
+ .attrs = kovaplus_attrs,
+ .bin_attrs = kovaplus_bin_attributes,
+};
+
+static const struct attribute_group *kovaplus_groups[] = {
+ &kovaplus_group,
+ 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);
+
+ 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,
+ sizeof(struct kovaplus_roccat_report));
+ 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);
+ break;
+ case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY:
+ kovaplus->actual_x_sensitivity = button_report->data1;
+ kovaplus->actual_y_sensitivity = button_report->data2;
+ break;
+ default:
+ break;
+ }
+}
+
+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);
+}
+
+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;
+
+ if (kovaplus == NULL)
+ 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_groups = kovaplus_groups;
+
+ retval = hid_register_driver(&kovaplus_driver);
+ if (retval)
+ class_destroy(kovaplus_class);
+ return retval;
+}
+
+static void __exit kovaplus_exit(void)
+{
+ hid_unregister_driver(&kovaplus_driver);
+ class_destroy(kovaplus_class);
+}
+
+module_init(kovaplus_init);
+module_exit(kovaplus_exit);
+
+MODULE_AUTHOR("Stefan Achatz");
+MODULE_DESCRIPTION("USB Roccat Kova[+] driver");
+MODULE_LICENSE("GPL v2");