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![Geliang Tang](/assets/img/avatar_default.png)
Use kobj_to_dev() instead of open-coding it. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
574 lines
16 KiB
C
574 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 = kobj_to_dev(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 = kobj_to_dev(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 = kobj_to_dev(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 = kobj_to_dev(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);
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}
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}
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static int koneplus_probe(struct hid_device *hdev,
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const struct hid_device_id *id)
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{
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int retval;
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retval = hid_parse(hdev);
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if (retval) {
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hid_err(hdev, "parse failed\n");
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goto exit;
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}
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retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
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if (retval) {
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hid_err(hdev, "hw start failed\n");
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goto exit;
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}
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retval = koneplus_init_specials(hdev);
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if (retval) {
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hid_err(hdev, "couldn't install mouse\n");
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goto exit_stop;
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}
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return 0;
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exit_stop:
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hid_hw_stop(hdev);
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exit:
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return retval;
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}
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static void koneplus_remove(struct hid_device *hdev)
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{
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koneplus_remove_specials(hdev);
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hid_hw_stop(hdev);
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}
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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");
|