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![Stefan Achatz](/assets/img/avatar_default.png)
Introduced attribute "control" and made profile_settings and profile_buttons readable, which makes profile[1-5]_settings and profile[1-5]_buttons obsolete. Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
623 lines
16 KiB
C
623 lines
16 KiB
C
/*
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* Roccat Pyra 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 Pyra is a mobile gamer mouse which comes in wired and wireless
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* variant. Wireless variant is not tested.
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* Userland tools can be found at http://sourceforge.net/projects/roccat
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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-pyra.h"
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static uint profile_numbers[5] = {0, 1, 2, 3, 4};
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/* pyra_class is used for creating sysfs attributes via roccat char device */
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static struct class *pyra_class;
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static void profile_activated(struct pyra_device *pyra,
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unsigned int new_profile)
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{
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pyra->actual_profile = new_profile;
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pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi;
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}
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static int pyra_send_control(struct usb_device *usb_dev, int value,
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enum pyra_control_requests request)
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{
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struct roccat_common2_control control;
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if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS ||
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request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) &&
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(value < 0 || 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(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL,
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&control, sizeof(struct roccat_common2_control));
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}
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static int pyra_get_profile_settings(struct usb_device *usb_dev,
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struct pyra_profile_settings *buf, int number)
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{
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int retval;
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retval = pyra_send_control(usb_dev, number,
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PYRA_CONTROL_REQUEST_PROFILE_SETTINGS);
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if (retval)
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return retval;
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return roccat_common2_receive(usb_dev, PYRA_COMMAND_PROFILE_SETTINGS,
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buf, PYRA_SIZE_PROFILE_SETTINGS);
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}
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static int pyra_get_settings(struct usb_device *usb_dev,
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struct pyra_settings *buf)
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{
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return roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS,
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buf, PYRA_SIZE_SETTINGS);
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}
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static int pyra_set_settings(struct usb_device *usb_dev,
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struct pyra_settings const *settings)
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{
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return roccat_common2_send_with_status(usb_dev,
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PYRA_COMMAND_SETTINGS, settings,
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PYRA_SIZE_SETTINGS);
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}
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static ssize_t pyra_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 pyra_device *pyra = 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(&pyra->pyra_lock);
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retval = roccat_common2_receive(usb_dev, command, buf, real_size);
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mutex_unlock(&pyra->pyra_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 pyra_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 pyra_device *pyra = 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(&pyra->pyra_lock);
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retval = roccat_common2_send_with_status(usb_dev, command, (void *)buf, real_size);
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mutex_unlock(&pyra->pyra_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 PYRA_SYSFS_W(thingy, THINGY) \
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static ssize_t pyra_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 pyra_sysfs_write(fp, kobj, buf, off, count, \
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PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
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}
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#define PYRA_SYSFS_R(thingy, THINGY) \
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static ssize_t pyra_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 pyra_sysfs_read(fp, kobj, buf, off, count, \
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PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
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}
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#define PYRA_SYSFS_RW(thingy, THINGY) \
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PYRA_SYSFS_W(thingy, THINGY) \
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PYRA_SYSFS_R(thingy, THINGY)
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#define PYRA_BIN_ATTRIBUTE_RW(thingy, THINGY) \
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{ \
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.attr = { .name = #thingy, .mode = 0660 }, \
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.size = PYRA_SIZE_ ## THINGY, \
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.read = pyra_sysfs_read_ ## thingy, \
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.write = pyra_sysfs_write_ ## thingy \
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}
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#define PYRA_BIN_ATTRIBUTE_R(thingy, THINGY) \
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{ \
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.attr = { .name = #thingy, .mode = 0440 }, \
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.size = PYRA_SIZE_ ## THINGY, \
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.read = pyra_sysfs_read_ ## thingy, \
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}
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#define PYRA_BIN_ATTRIBUTE_W(thingy, THINGY) \
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{ \
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.attr = { .name = #thingy, .mode = 0220 }, \
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.size = PYRA_SIZE_ ## THINGY, \
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.write = pyra_sysfs_write_ ## thingy \
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}
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PYRA_SYSFS_W(control, CONTROL)
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PYRA_SYSFS_RW(info, INFO)
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PYRA_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
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PYRA_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
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PYRA_SYSFS_R(settings, SETTINGS)
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static ssize_t pyra_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 = pyra_send_control(usb_dev, *(uint *)(attr->private),
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PYRA_CONTROL_REQUEST_PROFILE_SETTINGS);
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if (retval)
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return retval;
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return pyra_sysfs_read(fp, kobj, buf, off, count,
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PYRA_SIZE_PROFILE_SETTINGS,
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PYRA_COMMAND_PROFILE_SETTINGS);
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}
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static ssize_t pyra_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 = pyra_send_control(usb_dev, *(uint *)(attr->private),
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PYRA_CONTROL_REQUEST_PROFILE_BUTTONS);
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if (retval)
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return retval;
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return pyra_sysfs_read(fp, kobj, buf, off, count,
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PYRA_SIZE_PROFILE_BUTTONS,
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PYRA_COMMAND_PROFILE_BUTTONS);
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}
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static ssize_t pyra_sysfs_write_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 pyra_device *pyra = 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 = 0;
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struct pyra_roccat_report roccat_report;
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struct pyra_settings const *settings;
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if (off != 0 || count != PYRA_SIZE_SETTINGS)
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return -EINVAL;
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mutex_lock(&pyra->pyra_lock);
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settings = (struct pyra_settings const *)buf;
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retval = pyra_set_settings(usb_dev, settings);
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if (retval) {
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mutex_unlock(&pyra->pyra_lock);
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return retval;
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}
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profile_activated(pyra, settings->startup_profile);
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roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2;
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roccat_report.value = settings->startup_profile + 1;
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roccat_report.key = 0;
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roccat_report_event(pyra->chrdev_minor,
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(uint8_t const *)&roccat_report);
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mutex_unlock(&pyra->pyra_lock);
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return PYRA_SIZE_SETTINGS;
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}
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static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct pyra_device *pyra =
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
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return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi);
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}
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static ssize_t pyra_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 pyra_device *pyra =
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
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struct pyra_settings settings;
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mutex_lock(&pyra->pyra_lock);
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roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS,
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&settings, PYRA_SIZE_SETTINGS);
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mutex_unlock(&pyra->pyra_lock);
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return snprintf(buf, PAGE_SIZE, "%d\n", settings.startup_profile);
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}
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static ssize_t pyra_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 pyra_device *pyra;
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struct usb_device *usb_dev;
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struct pyra_info info;
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dev = dev->parent->parent;
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pyra = 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(&pyra->pyra_lock);
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roccat_common2_receive(usb_dev, PYRA_COMMAND_INFO,
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&info, PYRA_SIZE_INFO);
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mutex_unlock(&pyra->pyra_lock);
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return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
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}
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static struct device_attribute pyra_attributes[] = {
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__ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL),
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__ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL),
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__ATTR(firmware_version, 0440,
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pyra_sysfs_show_firmware_version, NULL),
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__ATTR(startup_profile, 0440,
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pyra_sysfs_show_actual_profile, NULL),
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__ATTR_NULL
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};
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static struct bin_attribute pyra_bin_attributes[] = {
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PYRA_BIN_ATTRIBUTE_W(control, CONTROL),
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PYRA_BIN_ATTRIBUTE_RW(info, INFO),
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PYRA_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
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PYRA_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
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PYRA_BIN_ATTRIBUTE_RW(settings, SETTINGS),
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{
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.attr = { .name = "profile1_settings", .mode = 0440 },
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.size = PYRA_SIZE_PROFILE_SETTINGS,
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.read = pyra_sysfs_read_profilex_settings,
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.private = &profile_numbers[0]
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},
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{
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.attr = { .name = "profile2_settings", .mode = 0440 },
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.size = PYRA_SIZE_PROFILE_SETTINGS,
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.read = pyra_sysfs_read_profilex_settings,
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.private = &profile_numbers[1]
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},
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{
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.attr = { .name = "profile3_settings", .mode = 0440 },
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.size = PYRA_SIZE_PROFILE_SETTINGS,
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.read = pyra_sysfs_read_profilex_settings,
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.private = &profile_numbers[2]
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},
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{
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.attr = { .name = "profile4_settings", .mode = 0440 },
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.size = PYRA_SIZE_PROFILE_SETTINGS,
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.read = pyra_sysfs_read_profilex_settings,
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.private = &profile_numbers[3]
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},
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{
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.attr = { .name = "profile5_settings", .mode = 0440 },
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.size = PYRA_SIZE_PROFILE_SETTINGS,
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.read = pyra_sysfs_read_profilex_settings,
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.private = &profile_numbers[4]
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},
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{
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.attr = { .name = "profile1_buttons", .mode = 0440 },
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.size = PYRA_SIZE_PROFILE_BUTTONS,
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.read = pyra_sysfs_read_profilex_buttons,
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.private = &profile_numbers[0]
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},
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{
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.attr = { .name = "profile2_buttons", .mode = 0440 },
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.size = PYRA_SIZE_PROFILE_BUTTONS,
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.read = pyra_sysfs_read_profilex_buttons,
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.private = &profile_numbers[1]
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},
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{
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.attr = { .name = "profile3_buttons", .mode = 0440 },
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.size = PYRA_SIZE_PROFILE_BUTTONS,
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.read = pyra_sysfs_read_profilex_buttons,
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.private = &profile_numbers[2]
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},
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{
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.attr = { .name = "profile4_buttons", .mode = 0440 },
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.size = PYRA_SIZE_PROFILE_BUTTONS,
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.read = pyra_sysfs_read_profilex_buttons,
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.private = &profile_numbers[3]
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},
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{
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.attr = { .name = "profile5_buttons", .mode = 0440 },
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.size = PYRA_SIZE_PROFILE_BUTTONS,
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.read = pyra_sysfs_read_profilex_buttons,
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.private = &profile_numbers[4]
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},
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__ATTR_NULL
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};
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|
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static int pyra_init_pyra_device_struct(struct usb_device *usb_dev,
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struct pyra_device *pyra)
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{
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struct pyra_settings settings;
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int retval, i;
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mutex_init(&pyra->pyra_lock);
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retval = pyra_get_settings(usb_dev, &settings);
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if (retval)
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return retval;
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|
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for (i = 0; i < 5; ++i) {
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retval = pyra_get_profile_settings(usb_dev,
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&pyra->profile_settings[i], i);
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if (retval)
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return retval;
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}
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|
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profile_activated(pyra, settings.startup_profile);
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|
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return 0;
|
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}
|
|
|
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static int pyra_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 pyra_device *pyra;
|
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int retval;
|
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|
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if (intf->cur_altsetting->desc.bInterfaceProtocol
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== USB_INTERFACE_PROTOCOL_MOUSE) {
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|
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pyra = kzalloc(sizeof(*pyra), GFP_KERNEL);
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if (!pyra) {
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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, pyra);
|
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|
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retval = pyra_init_pyra_device_struct(usb_dev, pyra);
|
|
if (retval) {
|
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hid_err(hdev, "couldn't init struct pyra_device\n");
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goto exit_free;
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|
}
|
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|
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retval = roccat_connect(pyra_class, hdev,
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sizeof(struct pyra_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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pyra->chrdev_minor = retval;
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pyra->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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|
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return 0;
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exit_free:
|
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kfree(pyra);
|
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return retval;
|
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}
|
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|
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static void pyra_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 pyra_device *pyra;
|
|
|
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if (intf->cur_altsetting->desc.bInterfaceProtocol
|
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== USB_INTERFACE_PROTOCOL_MOUSE) {
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pyra = hid_get_drvdata(hdev);
|
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if (pyra->roccat_claimed)
|
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roccat_disconnect(pyra->chrdev_minor);
|
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kfree(hid_get_drvdata(hdev));
|
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}
|
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}
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|
|
static int pyra_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 = pyra_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 pyra_remove(struct hid_device *hdev)
|
|
{
|
|
pyra_remove_specials(hdev);
|
|
hid_hw_stop(hdev);
|
|
}
|
|
|
|
static void pyra_keep_values_up_to_date(struct pyra_device *pyra,
|
|
u8 const *data)
|
|
{
|
|
struct pyra_mouse_event_button const *button_event;
|
|
|
|
switch (data[0]) {
|
|
case PYRA_MOUSE_REPORT_NUMBER_BUTTON:
|
|
button_event = (struct pyra_mouse_event_button const *)data;
|
|
switch (button_event->type) {
|
|
case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
|
|
profile_activated(pyra, button_event->data1 - 1);
|
|
break;
|
|
case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
|
|
pyra->actual_cpi = button_event->data1;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void pyra_report_to_chrdev(struct pyra_device const *pyra,
|
|
u8 const *data)
|
|
{
|
|
struct pyra_roccat_report roccat_report;
|
|
struct pyra_mouse_event_button const *button_event;
|
|
|
|
if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON)
|
|
return;
|
|
|
|
button_event = (struct pyra_mouse_event_button const *)data;
|
|
|
|
switch (button_event->type) {
|
|
case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
|
|
case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
|
|
roccat_report.type = button_event->type;
|
|
roccat_report.value = button_event->data1;
|
|
roccat_report.key = 0;
|
|
roccat_report_event(pyra->chrdev_minor,
|
|
(uint8_t const *)&roccat_report);
|
|
break;
|
|
case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO:
|
|
case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT:
|
|
case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH:
|
|
if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) {
|
|
roccat_report.type = button_event->type;
|
|
roccat_report.key = button_event->data1;
|
|
/*
|
|
* pyra reports profile numbers with range 1-5.
|
|
* Keeping this behaviour.
|
|
*/
|
|
roccat_report.value = pyra->actual_profile + 1;
|
|
roccat_report_event(pyra->chrdev_minor,
|
|
(uint8_t const *)&roccat_report);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int pyra_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 pyra_device *pyra = hid_get_drvdata(hdev);
|
|
|
|
if (intf->cur_altsetting->desc.bInterfaceProtocol
|
|
!= USB_INTERFACE_PROTOCOL_MOUSE)
|
|
return 0;
|
|
|
|
if (pyra == NULL)
|
|
return 0;
|
|
|
|
pyra_keep_values_up_to_date(pyra, data);
|
|
|
|
if (pyra->roccat_claimed)
|
|
pyra_report_to_chrdev(pyra, data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct hid_device_id pyra_devices[] = {
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
|
|
USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
|
|
USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
|
|
{ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(hid, pyra_devices);
|
|
|
|
static struct hid_driver pyra_driver = {
|
|
.name = "pyra",
|
|
.id_table = pyra_devices,
|
|
.probe = pyra_probe,
|
|
.remove = pyra_remove,
|
|
.raw_event = pyra_raw_event
|
|
};
|
|
|
|
static int __init pyra_init(void)
|
|
{
|
|
int retval;
|
|
|
|
/* class name has to be same as driver name */
|
|
pyra_class = class_create(THIS_MODULE, "pyra");
|
|
if (IS_ERR(pyra_class))
|
|
return PTR_ERR(pyra_class);
|
|
pyra_class->dev_attrs = pyra_attributes;
|
|
pyra_class->dev_bin_attrs = pyra_bin_attributes;
|
|
|
|
retval = hid_register_driver(&pyra_driver);
|
|
if (retval)
|
|
class_destroy(pyra_class);
|
|
return retval;
|
|
}
|
|
|
|
static void __exit pyra_exit(void)
|
|
{
|
|
hid_unregister_driver(&pyra_driver);
|
|
class_destroy(pyra_class);
|
|
}
|
|
|
|
module_init(pyra_init);
|
|
module_exit(pyra_exit);
|
|
|
|
MODULE_AUTHOR("Stefan Achatz");
|
|
MODULE_DESCRIPTION("USB Roccat Pyra driver");
|
|
MODULE_LICENSE("GPL v2");
|