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660 lines
18 KiB
660 lines
18 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Roccat Kova[+] driver for Linux |
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* |
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* Copyright (c) 2011 Stefan Achatz <[email protected]> |
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*/ |
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|
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/* |
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*/ |
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|
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/* |
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* Roccat Kova[+] is a bigger version of the Pyra with two more side buttons. |
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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-kovaplus.h" |
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static uint profile_numbers[5] = {0, 1, 2, 3, 4}; |
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static struct class *kovaplus_class; |
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static uint kovaplus_convert_event_cpi(uint value) |
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{ |
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return (value == 7 ? 4 : (value == 4 ? 3 : value)); |
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} |
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static void kovaplus_profile_activated(struct kovaplus_device *kovaplus, |
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uint new_profile_index) |
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{ |
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if (new_profile_index >= ARRAY_SIZE(kovaplus->profile_settings)) |
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return; |
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kovaplus->actual_profile = new_profile_index; |
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kovaplus->actual_cpi = kovaplus->profile_settings[new_profile_index].cpi_startup_level; |
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kovaplus->actual_x_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_x; |
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kovaplus->actual_y_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_y; |
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} |
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static int kovaplus_send_control(struct usb_device *usb_dev, uint value, |
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enum kovaplus_control_requests request) |
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{ |
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int retval; |
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struct roccat_common2_control control; |
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if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS || |
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request == KOVAPLUS_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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retval = roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL, |
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&control, sizeof(struct roccat_common2_control)); |
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return retval; |
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} |
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static int kovaplus_select_profile(struct usb_device *usb_dev, uint number, |
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enum kovaplus_control_requests request) |
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{ |
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return kovaplus_send_control(usb_dev, number, request); |
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} |
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static int kovaplus_get_profile_settings(struct usb_device *usb_dev, |
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struct kovaplus_profile_settings *buf, uint number) |
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{ |
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int retval; |
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retval = kovaplus_select_profile(usb_dev, number, |
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KOVAPLUS_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, KOVAPLUS_COMMAND_PROFILE_SETTINGS, |
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buf, KOVAPLUS_SIZE_PROFILE_SETTINGS); |
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} |
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static int kovaplus_get_profile_buttons(struct usb_device *usb_dev, |
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struct kovaplus_profile_buttons *buf, int number) |
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{ |
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int retval; |
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retval = kovaplus_select_profile(usb_dev, number, |
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KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); |
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if (retval) |
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return retval; |
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return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS, |
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buf, KOVAPLUS_SIZE_PROFILE_BUTTONS); |
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} |
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/* retval is 0-4 on success, < 0 on error */ |
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static int kovaplus_get_actual_profile(struct usb_device *usb_dev) |
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{ |
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struct kovaplus_actual_profile buf; |
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int retval; |
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retval = roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE, |
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&buf, sizeof(struct kovaplus_actual_profile)); |
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return retval ? retval : buf.actual_profile; |
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} |
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static int kovaplus_set_actual_profile(struct usb_device *usb_dev, |
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int new_profile) |
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{ |
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struct kovaplus_actual_profile buf; |
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buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE; |
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buf.size = sizeof(struct kovaplus_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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KOVAPLUS_COMMAND_ACTUAL_PROFILE, |
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&buf, sizeof(struct kovaplus_actual_profile)); |
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} |
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static ssize_t kovaplus_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 kovaplus_device *kovaplus = 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(&kovaplus->kovaplus_lock); |
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retval = roccat_common2_receive(usb_dev, command, buf, real_size); |
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mutex_unlock(&kovaplus->kovaplus_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 kovaplus_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 kovaplus_device *kovaplus = 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(&kovaplus->kovaplus_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(&kovaplus->kovaplus_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 KOVAPLUS_SYSFS_W(thingy, THINGY) \ |
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static ssize_t kovaplus_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 kovaplus_sysfs_write(fp, kobj, buf, off, count, \ |
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KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \ |
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} |
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#define KOVAPLUS_SYSFS_R(thingy, THINGY) \ |
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static ssize_t kovaplus_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 kovaplus_sysfs_read(fp, kobj, buf, off, count, \ |
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KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \ |
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} |
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#define KOVAPLUS_SYSFS_RW(thingy, THINGY) \ |
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KOVAPLUS_SYSFS_W(thingy, THINGY) \ |
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KOVAPLUS_SYSFS_R(thingy, THINGY) |
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#define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \ |
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KOVAPLUS_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 = KOVAPLUS_SIZE_ ## THINGY, \ |
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.read = kovaplus_sysfs_read_ ## thingy, \ |
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.write = kovaplus_sysfs_write_ ## thingy \ |
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} |
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#define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \ |
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KOVAPLUS_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 = KOVAPLUS_SIZE_ ## THINGY, \ |
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.write = kovaplus_sysfs_write_ ## thingy \ |
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} |
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KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL); |
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KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO); |
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KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS); |
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KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS); |
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static ssize_t kovaplus_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 = kovaplus_select_profile(usb_dev, *(uint *)(attr->private), |
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KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); |
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if (retval) |
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return retval; |
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return kovaplus_sysfs_read(fp, kobj, buf, off, count, |
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KOVAPLUS_SIZE_PROFILE_SETTINGS, |
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KOVAPLUS_COMMAND_PROFILE_SETTINGS); |
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} |
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static ssize_t kovaplus_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 = kovaplus_select_profile(usb_dev, *(uint *)(attr->private), |
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KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); |
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if (retval) |
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return retval; |
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return kovaplus_sysfs_read(fp, kobj, buf, off, count, |
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KOVAPLUS_SIZE_PROFILE_BUTTONS, |
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KOVAPLUS_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 = KOVAPLUS_SIZE_PROFILE_SETTINGS, \ |
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.read = kovaplus_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 = KOVAPLUS_SIZE_PROFILE_BUTTONS, \ |
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.read = kovaplus_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 kovaplus_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 kovaplus_device *kovaplus = |
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); |
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return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile); |
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} |
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static ssize_t kovaplus_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 kovaplus_device *kovaplus; |
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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 kovaplus_roccat_report roccat_report; |
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dev = dev->parent->parent; |
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kovaplus = 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 >= 5) |
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return -EINVAL; |
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mutex_lock(&kovaplus->kovaplus_lock); |
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retval = kovaplus_set_actual_profile(usb_dev, profile); |
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if (retval) { |
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mutex_unlock(&kovaplus->kovaplus_lock); |
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return retval; |
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} |
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kovaplus_profile_activated(kovaplus, profile); |
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roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1; |
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roccat_report.profile = profile + 1; |
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roccat_report.button = 0; |
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roccat_report.data1 = profile + 1; |
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roccat_report.data2 = 0; |
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roccat_report_event(kovaplus->chrdev_minor, |
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(uint8_t const *)&roccat_report); |
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mutex_unlock(&kovaplus->kovaplus_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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kovaplus_sysfs_show_actual_profile, |
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kovaplus_sysfs_set_actual_profile); |
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static ssize_t kovaplus_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 kovaplus_device *kovaplus = |
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); |
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return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi); |
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} |
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static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL); |
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static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev, |
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struct device_attribute *attr, char *buf) |
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{ |
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struct kovaplus_device *kovaplus = |
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); |
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return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity); |
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} |
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static DEVICE_ATTR(actual_sensitivity_x, 0440, |
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kovaplus_sysfs_show_actual_sensitivity_x, NULL); |
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static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev, |
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struct device_attribute *attr, char *buf) |
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{ |
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struct kovaplus_device *kovaplus = |
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hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); |
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return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity); |
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} |
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static DEVICE_ATTR(actual_sensitivity_y, 0440, |
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kovaplus_sysfs_show_actual_sensitivity_y, NULL); |
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static ssize_t kovaplus_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 kovaplus_device *kovaplus; |
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struct usb_device *usb_dev; |
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struct kovaplus_info info; |
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dev = dev->parent->parent; |
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kovaplus = 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(&kovaplus->kovaplus_lock); |
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roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO, |
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&info, KOVAPLUS_SIZE_INFO); |
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mutex_unlock(&kovaplus->kovaplus_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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kovaplus_sysfs_show_firmware_version, NULL); |
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static struct attribute *kovaplus_attrs[] = { |
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&dev_attr_actual_cpi.attr, |
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&dev_attr_firmware_version.attr, |
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&dev_attr_actual_profile.attr, |
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&dev_attr_actual_sensitivity_x.attr, |
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&dev_attr_actual_sensitivity_y.attr, |
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NULL, |
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}; |
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static struct bin_attribute *kovaplus_bin_attributes[] = { |
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&bin_attr_control, |
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&bin_attr_info, |
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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 kovaplus_group = { |
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.attrs = kovaplus_attrs, |
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.bin_attrs = kovaplus_bin_attributes, |
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}; |
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static const struct attribute_group *kovaplus_groups[] = { |
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&kovaplus_group, |
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NULL, |
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}; |
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static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev, |
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struct kovaplus_device *kovaplus) |
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{ |
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int retval, i; |
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static uint wait = 70; /* device will freeze with just 60 */ |
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mutex_init(&kovaplus->kovaplus_lock); |
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for (i = 0; i < 5; ++i) { |
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msleep(wait); |
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retval = kovaplus_get_profile_settings(usb_dev, |
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&kovaplus->profile_settings[i], i); |
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if (retval) |
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return retval; |
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msleep(wait); |
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retval = kovaplus_get_profile_buttons(usb_dev, |
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&kovaplus->profile_buttons[i], i); |
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if (retval) |
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return retval; |
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} |
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msleep(wait); |
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retval = kovaplus_get_actual_profile(usb_dev); |
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if (retval < 0) |
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return retval; |
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kovaplus_profile_activated(kovaplus, retval); |
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return 0; |
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} |
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static int kovaplus_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 kovaplus_device *kovaplus; |
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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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kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL); |
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if (!kovaplus) { |
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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, kovaplus); |
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retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus); |
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if (retval) { |
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hid_err(hdev, "couldn't init struct kovaplus_device\n"); |
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goto exit_free; |
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} |
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retval = roccat_connect(kovaplus_class, hdev, |
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sizeof(struct kovaplus_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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kovaplus->chrdev_minor = retval; |
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kovaplus->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(kovaplus); |
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return retval; |
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} |
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static void kovaplus_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 kovaplus_device *kovaplus; |
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if (intf->cur_altsetting->desc.bInterfaceProtocol |
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== USB_INTERFACE_PROTOCOL_MOUSE) { |
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kovaplus = hid_get_drvdata(hdev); |
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if (kovaplus->roccat_claimed) |
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roccat_disconnect(kovaplus->chrdev_minor); |
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kfree(kovaplus); |
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} |
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} |
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static int kovaplus_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 = kovaplus_init_specials(hdev); |
|
if (retval) { |
|
hid_err(hdev, "couldn't install mouse\n"); |
|
goto exit_stop; |
|
} |
|
|
|
return 0; |
|
|
|
exit_stop: |
|
hid_hw_stop(hdev); |
|
exit: |
|
return retval; |
|
} |
|
|
|
static void kovaplus_remove(struct hid_device *hdev) |
|
{ |
|
kovaplus_remove_specials(hdev); |
|
hid_hw_stop(hdev); |
|
} |
|
|
|
static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus, |
|
u8 const *data) |
|
{ |
|
struct kovaplus_mouse_report_button const *button_report; |
|
|
|
if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) |
|
return; |
|
|
|
button_report = (struct kovaplus_mouse_report_button const *)data; |
|
|
|
switch (button_report->type) { |
|
case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1: |
|
kovaplus_profile_activated(kovaplus, button_report->data1 - 1); |
|
break; |
|
case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI: |
|
kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1); |
|
break; |
|
case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY: |
|
kovaplus->actual_x_sensitivity = button_report->data1; |
|
kovaplus->actual_y_sensitivity = button_report->data2; |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus, |
|
u8 const *data) |
|
{ |
|
struct kovaplus_roccat_report roccat_report; |
|
struct kovaplus_mouse_report_button const *button_report; |
|
|
|
if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) |
|
return; |
|
|
|
button_report = (struct kovaplus_mouse_report_button const *)data; |
|
|
|
if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2) |
|
return; |
|
|
|
roccat_report.type = button_report->type; |
|
roccat_report.profile = kovaplus->actual_profile + 1; |
|
|
|
if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO || |
|
roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT || |
|
roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH || |
|
roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) |
|
roccat_report.button = button_report->data1; |
|
else |
|
roccat_report.button = 0; |
|
|
|
if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI) |
|
roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1); |
|
else |
|
roccat_report.data1 = button_report->data1; |
|
|
|
roccat_report.data2 = button_report->data2; |
|
|
|
roccat_report_event(kovaplus->chrdev_minor, |
|
(uint8_t const *)&roccat_report); |
|
} |
|
|
|
static int kovaplus_raw_event(struct hid_device *hdev, |
|
struct hid_report *report, u8 *data, int size) |
|
{ |
|
struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
|
struct kovaplus_device *kovaplus = hid_get_drvdata(hdev); |
|
|
|
if (intf->cur_altsetting->desc.bInterfaceProtocol |
|
!= USB_INTERFACE_PROTOCOL_MOUSE) |
|
return 0; |
|
|
|
if (kovaplus == NULL) |
|
return 0; |
|
|
|
kovaplus_keep_values_up_to_date(kovaplus, data); |
|
|
|
if (kovaplus->roccat_claimed) |
|
kovaplus_report_to_chrdev(kovaplus, data); |
|
|
|
return 0; |
|
} |
|
|
|
static const struct hid_device_id kovaplus_devices[] = { |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, |
|
{ } |
|
}; |
|
|
|
MODULE_DEVICE_TABLE(hid, kovaplus_devices); |
|
|
|
static struct hid_driver kovaplus_driver = { |
|
.name = "kovaplus", |
|
.id_table = kovaplus_devices, |
|
.probe = kovaplus_probe, |
|
.remove = kovaplus_remove, |
|
.raw_event = kovaplus_raw_event |
|
}; |
|
|
|
static int __init kovaplus_init(void) |
|
{ |
|
int retval; |
|
|
|
kovaplus_class = class_create(THIS_MODULE, "kovaplus"); |
|
if (IS_ERR(kovaplus_class)) |
|
return PTR_ERR(kovaplus_class); |
|
kovaplus_class->dev_groups = kovaplus_groups; |
|
|
|
retval = hid_register_driver(&kovaplus_driver); |
|
if (retval) |
|
class_destroy(kovaplus_class); |
|
return retval; |
|
} |
|
|
|
static void __exit kovaplus_exit(void) |
|
{ |
|
hid_unregister_driver(&kovaplus_driver); |
|
class_destroy(kovaplus_class); |
|
} |
|
|
|
module_init(kovaplus_init); |
|
module_exit(kovaplus_exit); |
|
|
|
MODULE_AUTHOR("Stefan Achatz"); |
|
MODULE_DESCRIPTION("USB Roccat Kova[+] driver"); |
|
MODULE_LICENSE("GPL v2");
|
|
|