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drivers/hid/hid-roccat-koneplus.c
15.4 KB
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// SPDX-License-Identifier: GPL-2.0-or-later |
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/* * Roccat Kone[+] driver for Linux * * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net> */ /* |
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*/ /* * Roccat Kone[+] is an updated/improved version of the Kone with more memory * 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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*/ #include <linux/device.h> #include <linux/input.h> #include <linux/hid.h> |
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#include <linux/module.h> #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" static uint profile_numbers[5] = {0, 1, 2, 3, 4}; static struct class *koneplus_class; static void koneplus_profile_activated(struct koneplus_device *koneplus, uint new_profile) { koneplus->actual_profile = new_profile; } static int koneplus_send_control(struct usb_device *usb_dev, uint value, enum koneplus_control_requests request) { |
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struct roccat_common2_control control; |
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if ((request == KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS || request == KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) && value > 4) return -EINVAL; |
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control.command = ROCCAT_COMMON_COMMAND_CONTROL; |
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control.value = value; 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, 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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} static ssize_t koneplus_sysfs_read(struct file *fp, struct kobject *kobj, char *buf, loff_t off, size_t count, size_t real_size, uint command) { |
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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)); struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); int retval; |
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if (off >= real_size) return 0; |
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if (off != 0 || count != real_size) return -EINVAL; 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); if (retval) return retval; return real_size; } static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj, void const *buf, loff_t off, size_t count, size_t real_size, uint command) { |
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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)); struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); int retval; if (off != 0 || count != real_size) return -EINVAL; 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); if (retval) return retval; return real_size; } |
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#define KONEPLUS_SYSFS_W(thingy, THINGY) \ static ssize_t koneplus_sysfs_write_ ## thingy(struct file *fp, \ struct kobject *kobj, struct bin_attribute *attr, char *buf, \ loff_t off, size_t count) \ { \ return koneplus_sysfs_write(fp, kobj, buf, off, count, \ KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \ |
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} |
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#define KONEPLUS_SYSFS_R(thingy, THINGY) \ static ssize_t koneplus_sysfs_read_ ## thingy(struct file *fp, \ struct kobject *kobj, struct bin_attribute *attr, char *buf, \ loff_t off, size_t count) \ { \ return koneplus_sysfs_read(fp, kobj, buf, off, count, \ KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \ |
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} |
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#define KONEPLUS_SYSFS_RW(thingy, THINGY) \ KONEPLUS_SYSFS_W(thingy, THINGY) \ 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); \ static struct bin_attribute bin_attr_##thingy = { \ |
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.attr = { .name = #thingy, .mode = 0660 }, \ .size = KONEPLUS_SIZE_ ## THINGY, \ .read = koneplus_sysfs_read_ ## thingy, \ .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); \ static struct bin_attribute bin_attr_##thingy = { \ |
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.attr = { .name = #thingy, .mode = 0440 }, \ .size = KONEPLUS_SIZE_ ## THINGY, \ .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); \ static struct bin_attribute bin_attr_##thingy = { \ |
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.attr = { .name = #thingy, .mode = 0220 }, \ .size = KONEPLUS_SIZE_ ## THINGY, \ .write = koneplus_sysfs_write_ ## thingy \ |
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} |
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KONEPLUS_BIN_ATTRIBUTE_W(control, CONTROL); KONEPLUS_BIN_ATTRIBUTE_W(talk, TALK); KONEPLUS_BIN_ATTRIBUTE_W(macro, MACRO); KONEPLUS_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE); KONEPLUS_BIN_ATTRIBUTE_RW(info, INFO); KONEPLUS_BIN_ATTRIBUTE_RW(sensor, SENSOR); KONEPLUS_BIN_ATTRIBUTE_RW(tcu, TCU); KONEPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS); KONEPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS); |
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static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { |
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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), KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); |
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if (retval) return retval; |
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return koneplus_sysfs_read(fp, kobj, buf, off, count, KONEPLUS_SIZE_PROFILE_SETTINGS, KONEPLUS_COMMAND_PROFILE_SETTINGS); |
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} static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { |
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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), KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); |
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if (retval) return retval; |
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return koneplus_sysfs_read(fp, kobj, buf, off, count, KONEPLUS_SIZE_PROFILE_BUTTONS, KONEPLUS_COMMAND_PROFILE_BUTTONS); |
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} |
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#define PROFILE_ATTR(number) \ 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, \ .read = koneplus_sysfs_read_profilex_settings, \ .private = &profile_numbers[number-1], \ }; \ 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, \ .read = koneplus_sysfs_read_profilex_buttons, \ .private = &profile_numbers[number-1], \ }; PROFILE_ATTR(1); PROFILE_ATTR(2); PROFILE_ATTR(3); PROFILE_ATTR(4); 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) { struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); |
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return snprintf(buf, PAGE_SIZE, "%d ", 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) { struct koneplus_device *koneplus; struct usb_device *usb_dev; unsigned long profile; int retval; |
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struct koneplus_roccat_report roccat_report; |
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dev = dev->parent->parent; koneplus = hid_get_drvdata(dev_get_drvdata(dev)); usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
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retval = kstrtoul(buf, 10, &profile); |
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if (retval) return retval; |
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if (profile > 4) return -EINVAL; |
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mutex_lock(&koneplus->koneplus_lock); |
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retval = koneplus_set_actual_profile(usb_dev, profile); if (retval) { 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; roccat_report.data1 = profile + 1; roccat_report.data2 = 0; roccat_report.profile = profile + 1; roccat_report_event(koneplus->chrdev_minor, (uint8_t const *)&roccat_report); mutex_unlock(&koneplus->koneplus_lock); return size; |
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} |
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static DEVICE_ATTR(actual_profile, 0660, koneplus_sysfs_show_actual_profile, koneplus_sysfs_set_actual_profile); static DEVICE_ATTR(startup_profile, 0660, koneplus_sysfs_show_actual_profile, koneplus_sysfs_set_actual_profile); |
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static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev, struct device_attribute *attr, char *buf) { |
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struct koneplus_device *koneplus; struct usb_device *usb_dev; struct koneplus_info info; dev = dev->parent->parent; koneplus = hid_get_drvdata(dev_get_drvdata(dev)); usb_dev = interface_to_usbdev(to_usb_interface(dev)); mutex_lock(&koneplus->koneplus_lock); roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_INFO, &info, KONEPLUS_SIZE_INFO); mutex_unlock(&koneplus->koneplus_lock); return snprintf(buf, PAGE_SIZE, "%d ", info.firmware_version); |
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} |
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static DEVICE_ATTR(firmware_version, 0440, koneplus_sysfs_show_firmware_version, NULL); static struct attribute *koneplus_attrs[] = { &dev_attr_actual_profile.attr, &dev_attr_startup_profile.attr, &dev_attr_firmware_version.attr, NULL, |
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}; |
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static struct bin_attribute *koneplus_bin_attributes[] = { &bin_attr_control, &bin_attr_talk, &bin_attr_macro, &bin_attr_tcu_image, &bin_attr_info, &bin_attr_sensor, &bin_attr_tcu, &bin_attr_profile_settings, &bin_attr_profile_buttons, &bin_attr_profile1_settings, &bin_attr_profile2_settings, &bin_attr_profile3_settings, &bin_attr_profile4_settings, &bin_attr_profile5_settings, &bin_attr_profile1_buttons, &bin_attr_profile2_buttons, &bin_attr_profile3_buttons, &bin_attr_profile4_buttons, &bin_attr_profile5_buttons, NULL, }; static const struct attribute_group koneplus_group = { .attrs = koneplus_attrs, .bin_attrs = koneplus_bin_attributes, }; static const struct attribute_group *koneplus_groups[] = { &koneplus_group, NULL, |
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}; static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev, struct koneplus_device *koneplus) { |
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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); if (retval < 0) return retval; koneplus_profile_activated(koneplus, retval); |
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return 0; } static int koneplus_init_specials(struct hid_device *hdev) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); struct usb_device *usb_dev = interface_to_usbdev(intf); struct koneplus_device *koneplus; int retval; if (intf->cur_altsetting->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE) { koneplus = kzalloc(sizeof(*koneplus), GFP_KERNEL); if (!koneplus) { |
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hid_err(hdev, "can't alloc device descriptor "); |
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return -ENOMEM; } hid_set_drvdata(hdev, koneplus); retval = koneplus_init_koneplus_device_struct(usb_dev, koneplus); if (retval) { |
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hid_err(hdev, "couldn't init struct koneplus_device "); |
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goto exit_free; } |
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retval = roccat_connect(koneplus_class, hdev, sizeof(struct koneplus_roccat_report)); |
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if (retval < 0) { |
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hid_err(hdev, "couldn't init char dev "); |
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} else { koneplus->chrdev_minor = retval; koneplus->roccat_claimed = 1; } } else { hid_set_drvdata(hdev, NULL); } return 0; exit_free: kfree(koneplus); return retval; } static void koneplus_remove_specials(struct hid_device *hdev) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); struct koneplus_device *koneplus; if (intf->cur_altsetting->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE) { koneplus = hid_get_drvdata(hdev); if (koneplus->roccat_claimed) roccat_disconnect(koneplus->chrdev_minor); kfree(koneplus); } } static int koneplus_probe(struct hid_device *hdev, const struct hid_device_id *id) { int retval; retval = hid_parse(hdev); if (retval) { |
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hid_err(hdev, "parse failed "); |
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goto exit; } retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (retval) { |
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hid_err(hdev, "hw start failed "); |
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goto exit; } retval = koneplus_init_specials(hdev); if (retval) { |
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hid_err(hdev, "couldn't install mouse "); |
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goto exit_stop; } return 0; exit_stop: hid_hw_stop(hdev); exit: return retval; } static void koneplus_remove(struct hid_device *hdev) { koneplus_remove_specials(hdev); hid_hw_stop(hdev); } static void koneplus_keep_values_up_to_date(struct koneplus_device *koneplus, u8 const *data) { struct koneplus_mouse_report_button const *button_report; switch (data[0]) { case KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON: button_report = (struct koneplus_mouse_report_button const *)data; switch (button_report->type) { case KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE: koneplus_profile_activated(koneplus, button_report->data1 - 1); break; } break; } } static void koneplus_report_to_chrdev(struct koneplus_device const *koneplus, u8 const *data) { struct koneplus_roccat_report roccat_report; struct koneplus_mouse_report_button const *button_report; if (data[0] != KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON) return; button_report = (struct koneplus_mouse_report_button const *)data; if ((button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH || button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) && button_report->data2 != KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS) return; roccat_report.type = button_report->type; roccat_report.data1 = button_report->data1; roccat_report.data2 = button_report->data2; roccat_report.profile = koneplus->actual_profile + 1; roccat_report_event(koneplus->chrdev_minor, |
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(uint8_t const *)&roccat_report); |
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} 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; |
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if (koneplus == NULL) return 0; |
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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) }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) }, |
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{ } }; 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); |
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koneplus_class->dev_groups = koneplus_groups; |
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retval = hid_register_driver(&koneplus_driver); if (retval) class_destroy(koneplus_class); return retval; } static void __exit koneplus_exit(void) { |
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hid_unregister_driver(&koneplus_driver); |
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class_destroy(koneplus_class); |
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} module_init(koneplus_init); module_exit(koneplus_exit); MODULE_AUTHOR("Stefan Achatz"); |
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MODULE_DESCRIPTION("USB Roccat Kone[+]/XTD driver"); |
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MODULE_LICENSE("GPL v2"); |