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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Roccat KonePure driver for Linux4 *5 * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net>6 */7 8/*9 */10 11/*12 * Roccat KonePure is a smaller version of KoneXTD with less buttons and lights.13 */14 15#include <linux/types.h>16#include <linux/device.h>17#include <linux/input.h>18#include <linux/hid.h>19#include <linux/module.h>20#include <linux/slab.h>21#include <linux/hid-roccat.h>22#include "hid-ids.h"23#include "hid-roccat-common.h"24 25enum {26 KONEPURE_MOUSE_REPORT_NUMBER_BUTTON = 3,27};28 29struct konepure_mouse_report_button {30 uint8_t report_number; /* always KONEPURE_MOUSE_REPORT_NUMBER_BUTTON */31 uint8_t zero;32 uint8_t type;33 uint8_t data1;34 uint8_t data2;35 uint8_t zero2;36 uint8_t unknown[2];37} __packed;38 39ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03);40ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(actual_profile, 0x05, 0x03);41ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_settings, 0x06, 0x1f);42ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_buttons, 0x07, 0x3b);43ROCCAT_COMMON2_BIN_ATTRIBUTE_W(macro, 0x08, 0x0822);44ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(info, 0x09, 0x06);45ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(tcu, 0x0c, 0x04);46ROCCAT_COMMON2_BIN_ATTRIBUTE_R(tcu_image, 0x0c, 0x0404);47ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0x0f, 0x06);48ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x10, 0x10);49 50static struct bin_attribute *konepure_bin_attrs[] = {51 &bin_attr_actual_profile,52 &bin_attr_control,53 &bin_attr_info,54 &bin_attr_talk,55 &bin_attr_macro,56 &bin_attr_sensor,57 &bin_attr_tcu,58 &bin_attr_tcu_image,59 &bin_attr_profile_settings,60 &bin_attr_profile_buttons,61 NULL,62};63 64static const struct attribute_group konepure_group = {65 .bin_attrs = konepure_bin_attrs,66};67 68static const struct attribute_group *konepure_groups[] = {69 &konepure_group,70 NULL,71};72 73static const struct class konepure_class = {74 .name = "konepure",75 .dev_groups = konepure_groups,76};77 78static int konepure_init_specials(struct hid_device *hdev)79{80 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);81 struct usb_device *usb_dev = interface_to_usbdev(intf);82 struct roccat_common2_device *konepure;83 int retval;84 85 if (intf->cur_altsetting->desc.bInterfaceProtocol86 != USB_INTERFACE_PROTOCOL_MOUSE) {87 hid_set_drvdata(hdev, NULL);88 return 0;89 }90 91 konepure = kzalloc(sizeof(*konepure), GFP_KERNEL);92 if (!konepure) {93 hid_err(hdev, "can't alloc device descriptor\n");94 return -ENOMEM;95 }96 hid_set_drvdata(hdev, konepure);97 98 retval = roccat_common2_device_init_struct(usb_dev, konepure);99 if (retval) {100 hid_err(hdev, "couldn't init KonePure device\n");101 goto exit_free;102 }103 104 retval = roccat_connect(&konepure_class, hdev,105 sizeof(struct konepure_mouse_report_button));106 if (retval < 0) {107 hid_err(hdev, "couldn't init char dev\n");108 } else {109 konepure->chrdev_minor = retval;110 konepure->roccat_claimed = 1;111 }112 113 return 0;114exit_free:115 kfree(konepure);116 return retval;117}118 119static void konepure_remove_specials(struct hid_device *hdev)120{121 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);122 struct roccat_common2_device *konepure;123 124 if (intf->cur_altsetting->desc.bInterfaceProtocol125 != USB_INTERFACE_PROTOCOL_MOUSE)126 return;127 128 konepure = hid_get_drvdata(hdev);129 if (konepure->roccat_claimed)130 roccat_disconnect(konepure->chrdev_minor);131 kfree(konepure);132}133 134static int konepure_probe(struct hid_device *hdev,135 const struct hid_device_id *id)136{137 int retval;138 139 if (!hid_is_usb(hdev))140 return -EINVAL;141 142 retval = hid_parse(hdev);143 if (retval) {144 hid_err(hdev, "parse failed\n");145 goto exit;146 }147 148 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);149 if (retval) {150 hid_err(hdev, "hw start failed\n");151 goto exit;152 }153 154 retval = konepure_init_specials(hdev);155 if (retval) {156 hid_err(hdev, "couldn't install mouse\n");157 goto exit_stop;158 }159 160 return 0;161 162exit_stop:163 hid_hw_stop(hdev);164exit:165 return retval;166}167 168static void konepure_remove(struct hid_device *hdev)169{170 konepure_remove_specials(hdev);171 hid_hw_stop(hdev);172}173 174static int konepure_raw_event(struct hid_device *hdev,175 struct hid_report *report, u8 *data, int size)176{177 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);178 struct roccat_common2_device *konepure = hid_get_drvdata(hdev);179 180 if (intf->cur_altsetting->desc.bInterfaceProtocol181 != USB_INTERFACE_PROTOCOL_MOUSE)182 return 0;183 184 if (data[0] != KONEPURE_MOUSE_REPORT_NUMBER_BUTTON)185 return 0;186 187 if (konepure != NULL && konepure->roccat_claimed)188 roccat_report_event(konepure->chrdev_minor, data);189 190 return 0;191}192 193static const struct hid_device_id konepure_devices[] = {194 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },195 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },196 { }197};198 199MODULE_DEVICE_TABLE(hid, konepure_devices);200 201static struct hid_driver konepure_driver = {202 .name = "konepure",203 .id_table = konepure_devices,204 .probe = konepure_probe,205 .remove = konepure_remove,206 .raw_event = konepure_raw_event207};208 209static int __init konepure_init(void)210{211 int retval;212 213 retval = class_register(&konepure_class);214 if (retval)215 return retval;216 217 retval = hid_register_driver(&konepure_driver);218 if (retval)219 class_unregister(&konepure_class);220 return retval;221}222 223static void __exit konepure_exit(void)224{225 hid_unregister_driver(&konepure_driver);226 class_unregister(&konepure_class);227}228 229module_init(konepure_init);230module_exit(konepure_exit);231 232MODULE_AUTHOR("Stefan Achatz");233MODULE_DESCRIPTION("USB Roccat KonePure/Optical driver");234MODULE_LICENSE("GPL v2");235