hid-roccat-konepure.c (5496B)
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Roccat KonePure driver for Linux 4 * 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 39static struct class *konepure_class; 40 41ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03); 42ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(actual_profile, 0x05, 0x03); 43ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_settings, 0x06, 0x1f); 44ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_buttons, 0x07, 0x3b); 45ROCCAT_COMMON2_BIN_ATTRIBUTE_W(macro, 0x08, 0x0822); 46ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(info, 0x09, 0x06); 47ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(tcu, 0x0c, 0x04); 48ROCCAT_COMMON2_BIN_ATTRIBUTE_R(tcu_image, 0x0c, 0x0404); 49ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0x0f, 0x06); 50ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x10, 0x10); 51 52static struct bin_attribute *konepure_bin_attrs[] = { 53 &bin_attr_actual_profile, 54 &bin_attr_control, 55 &bin_attr_info, 56 &bin_attr_talk, 57 &bin_attr_macro, 58 &bin_attr_sensor, 59 &bin_attr_tcu, 60 &bin_attr_tcu_image, 61 &bin_attr_profile_settings, 62 &bin_attr_profile_buttons, 63 NULL, 64}; 65 66static const struct attribute_group konepure_group = { 67 .bin_attrs = konepure_bin_attrs, 68}; 69 70static const struct attribute_group *konepure_groups[] = { 71 &konepure_group, 72 NULL, 73}; 74 75static int konepure_init_specials(struct hid_device *hdev) 76{ 77 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 78 struct usb_device *usb_dev = interface_to_usbdev(intf); 79 struct roccat_common2_device *konepure; 80 int retval; 81 82 if (intf->cur_altsetting->desc.bInterfaceProtocol 83 != USB_INTERFACE_PROTOCOL_MOUSE) { 84 hid_set_drvdata(hdev, NULL); 85 return 0; 86 } 87 88 konepure = kzalloc(sizeof(*konepure), GFP_KERNEL); 89 if (!konepure) { 90 hid_err(hdev, "can't alloc device descriptor\n"); 91 return -ENOMEM; 92 } 93 hid_set_drvdata(hdev, konepure); 94 95 retval = roccat_common2_device_init_struct(usb_dev, konepure); 96 if (retval) { 97 hid_err(hdev, "couldn't init KonePure device\n"); 98 goto exit_free; 99 } 100 101 retval = roccat_connect(konepure_class, hdev, 102 sizeof(struct konepure_mouse_report_button)); 103 if (retval < 0) { 104 hid_err(hdev, "couldn't init char dev\n"); 105 } else { 106 konepure->chrdev_minor = retval; 107 konepure->roccat_claimed = 1; 108 } 109 110 return 0; 111exit_free: 112 kfree(konepure); 113 return retval; 114} 115 116static void konepure_remove_specials(struct hid_device *hdev) 117{ 118 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 119 struct roccat_common2_device *konepure; 120 121 if (intf->cur_altsetting->desc.bInterfaceProtocol 122 != USB_INTERFACE_PROTOCOL_MOUSE) 123 return; 124 125 konepure = hid_get_drvdata(hdev); 126 if (konepure->roccat_claimed) 127 roccat_disconnect(konepure->chrdev_minor); 128 kfree(konepure); 129} 130 131static int konepure_probe(struct hid_device *hdev, 132 const struct hid_device_id *id) 133{ 134 int retval; 135 136 if (!hid_is_usb(hdev)) 137 return -EINVAL; 138 139 retval = hid_parse(hdev); 140 if (retval) { 141 hid_err(hdev, "parse failed\n"); 142 goto exit; 143 } 144 145 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 146 if (retval) { 147 hid_err(hdev, "hw start failed\n"); 148 goto exit; 149 } 150 151 retval = konepure_init_specials(hdev); 152 if (retval) { 153 hid_err(hdev, "couldn't install mouse\n"); 154 goto exit_stop; 155 } 156 157 return 0; 158 159exit_stop: 160 hid_hw_stop(hdev); 161exit: 162 return retval; 163} 164 165static void konepure_remove(struct hid_device *hdev) 166{ 167 konepure_remove_specials(hdev); 168 hid_hw_stop(hdev); 169} 170 171static int konepure_raw_event(struct hid_device *hdev, 172 struct hid_report *report, u8 *data, int size) 173{ 174 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 175 struct roccat_common2_device *konepure = hid_get_drvdata(hdev); 176 177 if (intf->cur_altsetting->desc.bInterfaceProtocol 178 != USB_INTERFACE_PROTOCOL_MOUSE) 179 return 0; 180 181 if (data[0] != KONEPURE_MOUSE_REPORT_NUMBER_BUTTON) 182 return 0; 183 184 if (konepure != NULL && konepure->roccat_claimed) 185 roccat_report_event(konepure->chrdev_minor, data); 186 187 return 0; 188} 189 190static const struct hid_device_id konepure_devices[] = { 191 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) }, 192 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) }, 193 { } 194}; 195 196MODULE_DEVICE_TABLE(hid, konepure_devices); 197 198static struct hid_driver konepure_driver = { 199 .name = "konepure", 200 .id_table = konepure_devices, 201 .probe = konepure_probe, 202 .remove = konepure_remove, 203 .raw_event = konepure_raw_event 204}; 205 206static int __init konepure_init(void) 207{ 208 int retval; 209 210 konepure_class = class_create(THIS_MODULE, "konepure"); 211 if (IS_ERR(konepure_class)) 212 return PTR_ERR(konepure_class); 213 konepure_class->dev_groups = konepure_groups; 214 215 retval = hid_register_driver(&konepure_driver); 216 if (retval) 217 class_destroy(konepure_class); 218 return retval; 219} 220 221static void __exit konepure_exit(void) 222{ 223 hid_unregister_driver(&konepure_driver); 224 class_destroy(konepure_class); 225} 226 227module_init(konepure_init); 228module_exit(konepure_exit); 229 230MODULE_AUTHOR("Stefan Achatz"); 231MODULE_DESCRIPTION("USB Roccat KonePure/Optical driver"); 232MODULE_LICENSE("GPL v2");