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![Linus Torvalds](/assets/img/avatar_default.png)
Pull HID updates from Jiri Kosina: "Highlights: - conversion of HID subsystem to use devm-based resource management, from Benjamin Tissoires - i2c-hid support for DT bindings, from Benjamin Tissoires - much improved support for Win8-multitouch devices, from Benjamin Tissoires - cleanup of core code using common hidinput_input_event(), from David Herrmann - fix for bug in implement() access to the bit stream (causing oops) that has been present in the code for ages, but devices that are able to trigger it have started to appear only now, from Jiri Kosina - fixes for CVE-2013-2899, CVE-2013-2898, CVE-2013-2896, CVE-2013-2892, CVE-2013-2888 (all triggerable only by specially crafted malicious HW devices plugged into the system), from Kees Cook - hidraw oops fix, from Manoj Chourasia - various smaller fixes here and there, support for a bunch of new devices by various contributors" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (53 commits) HID: MAINTAINERS: add roccat drivers HID: hid-sensor-hub: change kmalloc + memcpy by kmemdup HID: hid-sensor-hub: move to devm_kzalloc HID: hid-sensor-hub: fix indentation accross the code HID: move HID_REPORT_TYPES closer to the report-definitions HID: check for NULL field when setting values HID: picolcd_core: validate output report details HID: sensor-hub: validate feature report details HID: ntrig: validate feature report details HID: pantherlord: validate output report details HID: hid-wiimote: print small buffers via %*phC HID: uhid: improve uhid example client HID: Correct the USB IDs for the new Macbook Air 6 HID: wiimote: add support for Guitar-Hero guitars HID: wiimote: add support for Guitar-Hero drums Input: introduce BTN/ABS bits for drums and guitars HID: battery: don't do DMA from stack HID: roccat: add support for KonePureOptical v2 HID: picolcd: Prevent NULL pointer dereference on _remove() HID: usbhid: quirk for N-Trig DuoSense Touch Screen ...
578 lines
16 KiB
C
578 lines
16 KiB
C
/*
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* Roccat Kone[+] driver for Linux
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*
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* Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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/*
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* Roccat Kone[+] is an updated/improved version of the Kone with more memory
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* and functionality and without the non-standard behaviours the Kone had.
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* KoneXTD has same capabilities but updated sensor.
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*/
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#include <linux/device.h>
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#include <linux/input.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/hid-roccat.h>
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#include "hid-ids.h"
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#include "hid-roccat-common.h"
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#include "hid-roccat-koneplus.h"
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static uint profile_numbers[5] = {0, 1, 2, 3, 4};
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static struct class *koneplus_class;
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static void koneplus_profile_activated(struct koneplus_device *koneplus,
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uint new_profile)
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{
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koneplus->actual_profile = new_profile;
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}
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static int koneplus_send_control(struct usb_device *usb_dev, uint value,
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enum koneplus_control_requests request)
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{
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struct roccat_common2_control control;
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if ((request == KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS ||
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request == KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&
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value > 4)
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return -EINVAL;
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control.command = ROCCAT_COMMON_COMMAND_CONTROL;
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control.value = value;
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control.request = request;
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return roccat_common2_send_with_status(usb_dev,
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ROCCAT_COMMON_COMMAND_CONTROL,
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&control, sizeof(struct roccat_common2_control));
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}
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/* retval is 0-4 on success, < 0 on error */
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static int koneplus_get_actual_profile(struct usb_device *usb_dev)
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{
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struct koneplus_actual_profile buf;
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int retval;
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retval = roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_ACTUAL_PROFILE,
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&buf, KONEPLUS_SIZE_ACTUAL_PROFILE);
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return retval ? retval : buf.actual_profile;
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}
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static int koneplus_set_actual_profile(struct usb_device *usb_dev,
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int new_profile)
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{
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struct koneplus_actual_profile buf;
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buf.command = KONEPLUS_COMMAND_ACTUAL_PROFILE;
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buf.size = KONEPLUS_SIZE_ACTUAL_PROFILE;
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buf.actual_profile = new_profile;
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return roccat_common2_send_with_status(usb_dev,
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KONEPLUS_COMMAND_ACTUAL_PROFILE,
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&buf, KONEPLUS_SIZE_ACTUAL_PROFILE);
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}
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static ssize_t koneplus_sysfs_read(struct file *fp, struct kobject *kobj,
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char *buf, loff_t off, size_t count,
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size_t real_size, uint command)
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{
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struct device *dev =
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container_of(kobj, struct device, kobj)->parent->parent;
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struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
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int retval;
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if (off >= real_size)
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return 0;
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if (off != 0 || count != real_size)
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return -EINVAL;
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mutex_lock(&koneplus->koneplus_lock);
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retval = roccat_common2_receive(usb_dev, command, buf, real_size);
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mutex_unlock(&koneplus->koneplus_lock);
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if (retval)
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return retval;
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return real_size;
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}
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static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj,
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void const *buf, loff_t off, size_t count,
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size_t real_size, uint command)
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{
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struct device *dev =
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container_of(kobj, struct device, kobj)->parent->parent;
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struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
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int retval;
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if (off != 0 || count != real_size)
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return -EINVAL;
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mutex_lock(&koneplus->koneplus_lock);
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retval = roccat_common2_send_with_status(usb_dev, command,
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buf, real_size);
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mutex_unlock(&koneplus->koneplus_lock);
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if (retval)
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return retval;
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return real_size;
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}
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#define KONEPLUS_SYSFS_W(thingy, THINGY) \
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static ssize_t koneplus_sysfs_write_ ## thingy(struct file *fp, \
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struct kobject *kobj, struct bin_attribute *attr, char *buf, \
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loff_t off, size_t count) \
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{ \
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return koneplus_sysfs_write(fp, kobj, buf, off, count, \
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KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
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}
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#define KONEPLUS_SYSFS_R(thingy, THINGY) \
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static ssize_t koneplus_sysfs_read_ ## thingy(struct file *fp, \
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struct kobject *kobj, struct bin_attribute *attr, char *buf, \
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loff_t off, size_t count) \
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{ \
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return koneplus_sysfs_read(fp, kobj, buf, off, count, \
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KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
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}
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#define KONEPLUS_SYSFS_RW(thingy, THINGY) \
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KONEPLUS_SYSFS_W(thingy, THINGY) \
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KONEPLUS_SYSFS_R(thingy, THINGY)
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#define KONEPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
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KONEPLUS_SYSFS_RW(thingy, THINGY); \
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static struct bin_attribute bin_attr_##thingy = { \
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.attr = { .name = #thingy, .mode = 0660 }, \
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.size = KONEPLUS_SIZE_ ## THINGY, \
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.read = koneplus_sysfs_read_ ## thingy, \
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.write = koneplus_sysfs_write_ ## thingy \
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}
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#define KONEPLUS_BIN_ATTRIBUTE_R(thingy, THINGY) \
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KONEPLUS_SYSFS_R(thingy, THINGY); \
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static struct bin_attribute bin_attr_##thingy = { \
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.attr = { .name = #thingy, .mode = 0440 }, \
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.size = KONEPLUS_SIZE_ ## THINGY, \
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.read = koneplus_sysfs_read_ ## thingy, \
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}
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#define KONEPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
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KONEPLUS_SYSFS_W(thingy, THINGY); \
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static struct bin_attribute bin_attr_##thingy = { \
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.attr = { .name = #thingy, .mode = 0220 }, \
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.size = KONEPLUS_SIZE_ ## THINGY, \
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.write = koneplus_sysfs_write_ ## thingy \
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}
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KONEPLUS_BIN_ATTRIBUTE_W(control, CONTROL);
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KONEPLUS_BIN_ATTRIBUTE_W(talk, TALK);
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KONEPLUS_BIN_ATTRIBUTE_W(macro, MACRO);
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KONEPLUS_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE);
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KONEPLUS_BIN_ATTRIBUTE_RW(info, INFO);
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KONEPLUS_BIN_ATTRIBUTE_RW(sensor, SENSOR);
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KONEPLUS_BIN_ATTRIBUTE_RW(tcu, TCU);
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KONEPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
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KONEPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
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static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp,
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struct kobject *kobj, struct bin_attribute *attr, char *buf,
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loff_t off, size_t count)
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{
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struct device *dev =
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container_of(kobj, struct device, kobj)->parent->parent;
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
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ssize_t retval;
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retval = koneplus_send_control(usb_dev, *(uint *)(attr->private),
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KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
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if (retval)
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return retval;
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return koneplus_sysfs_read(fp, kobj, buf, off, count,
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KONEPLUS_SIZE_PROFILE_SETTINGS,
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KONEPLUS_COMMAND_PROFILE_SETTINGS);
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}
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static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp,
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struct kobject *kobj, struct bin_attribute *attr, char *buf,
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loff_t off, size_t count)
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{
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struct device *dev =
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container_of(kobj, struct device, kobj)->parent->parent;
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
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ssize_t retval;
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retval = koneplus_send_control(usb_dev, *(uint *)(attr->private),
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KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
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if (retval)
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return retval;
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return koneplus_sysfs_read(fp, kobj, buf, off, count,
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KONEPLUS_SIZE_PROFILE_BUTTONS,
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KONEPLUS_COMMAND_PROFILE_BUTTONS);
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}
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#define PROFILE_ATTR(number) \
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static struct bin_attribute bin_attr_profile##number##_settings = { \
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.attr = { .name = "profile##number##_settings", .mode = 0440 }, \
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.size = KONEPLUS_SIZE_PROFILE_SETTINGS, \
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.read = koneplus_sysfs_read_profilex_settings, \
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.private = &profile_numbers[number-1], \
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}; \
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static struct bin_attribute bin_attr_profile##number##_buttons = { \
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.attr = { .name = "profile##number##_buttons", .mode = 0440 }, \
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.size = KONEPLUS_SIZE_PROFILE_BUTTONS, \
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.read = koneplus_sysfs_read_profilex_buttons, \
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.private = &profile_numbers[number-1], \
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};
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PROFILE_ATTR(1);
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PROFILE_ATTR(2);
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PROFILE_ATTR(3);
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PROFILE_ATTR(4);
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PROFILE_ATTR(5);
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static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct koneplus_device *koneplus =
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
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return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->actual_profile);
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}
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static ssize_t koneplus_sysfs_set_actual_profile(struct device *dev,
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struct device_attribute *attr, char const *buf, size_t size)
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{
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struct koneplus_device *koneplus;
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struct usb_device *usb_dev;
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unsigned long profile;
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int retval;
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struct koneplus_roccat_report roccat_report;
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dev = dev->parent->parent;
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koneplus = hid_get_drvdata(dev_get_drvdata(dev));
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usb_dev = interface_to_usbdev(to_usb_interface(dev));
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retval = kstrtoul(buf, 10, &profile);
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if (retval)
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return retval;
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if (profile > 4)
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return -EINVAL;
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mutex_lock(&koneplus->koneplus_lock);
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retval = koneplus_set_actual_profile(usb_dev, profile);
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if (retval) {
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mutex_unlock(&koneplus->koneplus_lock);
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return retval;
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}
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koneplus_profile_activated(koneplus, profile);
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roccat_report.type = KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE;
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roccat_report.data1 = profile + 1;
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roccat_report.data2 = 0;
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roccat_report.profile = profile + 1;
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roccat_report_event(koneplus->chrdev_minor,
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(uint8_t const *)&roccat_report);
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mutex_unlock(&koneplus->koneplus_lock);
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return size;
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}
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static DEVICE_ATTR(actual_profile, 0660,
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koneplus_sysfs_show_actual_profile,
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koneplus_sysfs_set_actual_profile);
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static DEVICE_ATTR(startup_profile, 0660,
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koneplus_sysfs_show_actual_profile,
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koneplus_sysfs_set_actual_profile);
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static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct koneplus_device *koneplus;
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struct usb_device *usb_dev;
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struct koneplus_info info;
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dev = dev->parent->parent;
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koneplus = hid_get_drvdata(dev_get_drvdata(dev));
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usb_dev = interface_to_usbdev(to_usb_interface(dev));
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mutex_lock(&koneplus->koneplus_lock);
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roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_INFO,
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&info, KONEPLUS_SIZE_INFO);
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mutex_unlock(&koneplus->koneplus_lock);
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return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
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}
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static DEVICE_ATTR(firmware_version, 0440,
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koneplus_sysfs_show_firmware_version, NULL);
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static struct attribute *koneplus_attrs[] = {
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&dev_attr_actual_profile.attr,
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&dev_attr_startup_profile.attr,
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&dev_attr_firmware_version.attr,
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NULL,
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};
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static struct bin_attribute *koneplus_bin_attributes[] = {
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&bin_attr_control,
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&bin_attr_talk,
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&bin_attr_macro,
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&bin_attr_tcu_image,
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&bin_attr_info,
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&bin_attr_sensor,
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&bin_attr_tcu,
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&bin_attr_profile_settings,
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&bin_attr_profile_buttons,
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&bin_attr_profile1_settings,
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&bin_attr_profile2_settings,
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&bin_attr_profile3_settings,
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&bin_attr_profile4_settings,
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&bin_attr_profile5_settings,
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&bin_attr_profile1_buttons,
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&bin_attr_profile2_buttons,
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&bin_attr_profile3_buttons,
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&bin_attr_profile4_buttons,
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&bin_attr_profile5_buttons,
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NULL,
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};
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static const struct attribute_group koneplus_group = {
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.attrs = koneplus_attrs,
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.bin_attrs = koneplus_bin_attributes,
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};
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static const struct attribute_group *koneplus_groups[] = {
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&koneplus_group,
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NULL,
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};
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static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev,
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struct koneplus_device *koneplus)
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{
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int retval;
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mutex_init(&koneplus->koneplus_lock);
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retval = koneplus_get_actual_profile(usb_dev);
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if (retval < 0)
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return retval;
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koneplus_profile_activated(koneplus, retval);
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return 0;
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}
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static int koneplus_init_specials(struct hid_device *hdev)
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{
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struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
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struct usb_device *usb_dev = interface_to_usbdev(intf);
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struct koneplus_device *koneplus;
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int retval;
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if (intf->cur_altsetting->desc.bInterfaceProtocol
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== USB_INTERFACE_PROTOCOL_MOUSE) {
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koneplus = kzalloc(sizeof(*koneplus), GFP_KERNEL);
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if (!koneplus) {
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hid_err(hdev, "can't alloc device descriptor\n");
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return -ENOMEM;
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}
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hid_set_drvdata(hdev, koneplus);
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retval = koneplus_init_koneplus_device_struct(usb_dev, koneplus);
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if (retval) {
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hid_err(hdev, "couldn't init struct koneplus_device\n");
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goto exit_free;
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}
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retval = roccat_connect(koneplus_class, hdev,
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sizeof(struct koneplus_roccat_report));
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if (retval < 0) {
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hid_err(hdev, "couldn't init char dev\n");
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} else {
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koneplus->chrdev_minor = retval;
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koneplus->roccat_claimed = 1;
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}
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} else {
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hid_set_drvdata(hdev, NULL);
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}
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return 0;
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exit_free:
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kfree(koneplus);
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return retval;
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}
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static void koneplus_remove_specials(struct hid_device *hdev)
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{
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struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
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struct koneplus_device *koneplus;
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if (intf->cur_altsetting->desc.bInterfaceProtocol
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== USB_INTERFACE_PROTOCOL_MOUSE) {
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koneplus = hid_get_drvdata(hdev);
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if (koneplus->roccat_claimed)
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roccat_disconnect(koneplus->chrdev_minor);
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kfree(koneplus);
|
|
}
|
|
}
|
|
|
|
static int koneplus_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 = koneplus_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 koneplus_remove(struct hid_device *hdev)
|
|
{
|
|
koneplus_remove_specials(hdev);
|
|
hid_hw_stop(hdev);
|
|
}
|
|
|
|
static void koneplus_keep_values_up_to_date(struct koneplus_device *koneplus,
|
|
u8 const *data)
|
|
{
|
|
struct koneplus_mouse_report_button const *button_report;
|
|
|
|
switch (data[0]) {
|
|
case KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON:
|
|
button_report = (struct koneplus_mouse_report_button const *)data;
|
|
switch (button_report->type) {
|
|
case KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE:
|
|
koneplus_profile_activated(koneplus, button_report->data1 - 1);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void koneplus_report_to_chrdev(struct koneplus_device const *koneplus,
|
|
u8 const *data)
|
|
{
|
|
struct koneplus_roccat_report roccat_report;
|
|
struct koneplus_mouse_report_button const *button_report;
|
|
|
|
if (data[0] != KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON)
|
|
return;
|
|
|
|
button_report = (struct koneplus_mouse_report_button const *)data;
|
|
|
|
if ((button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH ||
|
|
button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) &&
|
|
button_report->data2 != KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS)
|
|
return;
|
|
|
|
roccat_report.type = button_report->type;
|
|
roccat_report.data1 = button_report->data1;
|
|
roccat_report.data2 = button_report->data2;
|
|
roccat_report.profile = koneplus->actual_profile + 1;
|
|
roccat_report_event(koneplus->chrdev_minor,
|
|
(uint8_t const *)&roccat_report);
|
|
}
|
|
|
|
static int koneplus_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 koneplus_device *koneplus = hid_get_drvdata(hdev);
|
|
|
|
if (intf->cur_altsetting->desc.bInterfaceProtocol
|
|
!= USB_INTERFACE_PROTOCOL_MOUSE)
|
|
return 0;
|
|
|
|
if (koneplus == NULL)
|
|
return 0;
|
|
|
|
koneplus_keep_values_up_to_date(koneplus, data);
|
|
|
|
if (koneplus->roccat_claimed)
|
|
koneplus_report_to_chrdev(koneplus, data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct hid_device_id koneplus_devices[] = {
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
|
|
{ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(hid, koneplus_devices);
|
|
|
|
static struct hid_driver koneplus_driver = {
|
|
.name = "koneplus",
|
|
.id_table = koneplus_devices,
|
|
.probe = koneplus_probe,
|
|
.remove = koneplus_remove,
|
|
.raw_event = koneplus_raw_event
|
|
};
|
|
|
|
static int __init koneplus_init(void)
|
|
{
|
|
int retval;
|
|
|
|
/* class name has to be same as driver name */
|
|
koneplus_class = class_create(THIS_MODULE, "koneplus");
|
|
if (IS_ERR(koneplus_class))
|
|
return PTR_ERR(koneplus_class);
|
|
koneplus_class->dev_groups = koneplus_groups;
|
|
|
|
retval = hid_register_driver(&koneplus_driver);
|
|
if (retval)
|
|
class_destroy(koneplus_class);
|
|
return retval;
|
|
}
|
|
|
|
static void __exit koneplus_exit(void)
|
|
{
|
|
hid_unregister_driver(&koneplus_driver);
|
|
class_destroy(koneplus_class);
|
|
}
|
|
|
|
module_init(koneplus_init);
|
|
module_exit(koneplus_exit);
|
|
|
|
MODULE_AUTHOR("Stefan Achatz");
|
|
MODULE_DESCRIPTION("USB Roccat Kone[+]/XTD driver");
|
|
MODULE_LICENSE("GPL v2");
|