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 25 enum { 26 KONEPURE_MOUSE_REPORT_NUMBER_BUTTON = 3, 27 }; 28 29 struct 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 39 ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03); 40 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(actual_profile, 0x05, 0x03); 41 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_settings, 0x06, 0x1f); 42 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_buttons, 0x07, 0x3b); 43 ROCCAT_COMMON2_BIN_ATTRIBUTE_W(macro, 0x08, 0x0822); 44 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(info, 0x09, 0x06); 45 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(tcu, 0x0c, 0x04); 46 ROCCAT_COMMON2_BIN_ATTRIBUTE_R(tcu_image, 0x0c, 0x0404); 47 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0x0f, 0x06); 48 ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x10, 0x10); 49 50 static 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 64 static const struct attribute_group konepure_group = { 65 .bin_attrs = konepure_bin_attrs, 66 }; 67 68 static const struct attribute_group *konepure_groups[] = { 69 &konepure_group, 70 NULL, 71 }; 72 73 static const struct class konepure_class = { 74 .name = "konepure", 75 .dev_groups = konepure_groups, 76 }; 77 78 static 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.bInterfaceProtocol 86 != 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; 114 exit_free: 115 kfree(konepure); 116 return retval; 117 } 118 119 static 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.bInterfaceProtocol 125 != 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 } 133 134 static 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; 161 162 exit_stop: 163 hid_hw_stop(hdev); 164 exit: 165 return retval; 166 } 167 168 static void konepure_remove(struct hid_device *hdev) 169 { 170 konepure_remove_specials(hdev); 171 hid_hw_stop(hdev); 172 } 173 174 static 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.bInterfaceProtocol 181 != 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 } 192 193 static 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 }; 198 199 MODULE_DEVICE_TABLE(hid, konepure_devices); 200 201 static 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_event 207 }; 208 209 static 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 } 222 223 static void __exit konepure_exit(void) 224 { 225 hid_unregister_driver(&konepure_driver); 226 class_unregister(&konepure_class); 227 } 228 229 module_init(konepure_init); 230 module_exit(konepure_exit); 231 232 MODULE_AUTHOR("Stefan Achatz"); 233 MODULE_DESCRIPTION("USB Roccat KonePure/Optical driver"); 234 MODULE_LICENSE("GPL v2"); 235