1 /* 2 * Roccat KonePure driver for Linux 3 * 4 * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net> 5 */ 6 7 /* 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the Free 10 * Software Foundation; either version 2 of the License, or (at your option) 11 * any later version. 12 */ 13 14 /* 15 * Roccat KonePure is a smaller version of KoneXTD with less buttons and lights. 16 */ 17 18 #include <linux/types.h> 19 #include <linux/device.h> 20 #include <linux/input.h> 21 #include <linux/hid.h> 22 #include <linux/module.h> 23 #include <linux/slab.h> 24 #include <linux/hid-roccat.h> 25 #include "hid-ids.h" 26 #include "hid-roccat-common.h" 27 28 enum { 29 KONEPURE_MOUSE_REPORT_NUMBER_BUTTON = 3, 30 }; 31 32 struct konepure_mouse_report_button { 33 uint8_t report_number; /* always KONEPURE_MOUSE_REPORT_NUMBER_BUTTON */ 34 uint8_t zero; 35 uint8_t type; 36 uint8_t data1; 37 uint8_t data2; 38 uint8_t zero2; 39 uint8_t unknown[2]; 40 } __packed; 41 42 static struct class *konepure_class; 43 44 ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03); 45 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(actual_profile, 0x05, 0x03); 46 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_settings, 0x06, 0x1f); 47 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_buttons, 0x07, 0x3b); 48 ROCCAT_COMMON2_BIN_ATTRIBUTE_W(macro, 0x08, 0x0822); 49 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(info, 0x09, 0x06); 50 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(tcu, 0x0c, 0x04); 51 ROCCAT_COMMON2_BIN_ATTRIBUTE_R(tcu_image, 0x0c, 0x0404); 52 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0x0f, 0x06); 53 ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x10, 0x10); 54 55 static struct bin_attribute *konepure_bin_attrs[] = { 56 &bin_attr_actual_profile, 57 &bin_attr_control, 58 &bin_attr_info, 59 &bin_attr_talk, 60 &bin_attr_macro, 61 &bin_attr_sensor, 62 &bin_attr_tcu, 63 &bin_attr_tcu_image, 64 &bin_attr_profile_settings, 65 &bin_attr_profile_buttons, 66 NULL, 67 }; 68 69 static const struct attribute_group konepure_group = { 70 .bin_attrs = konepure_bin_attrs, 71 }; 72 73 static const struct attribute_group *konepure_groups[] = { 74 &konepure_group, 75 NULL, 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 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; 158 159 exit_stop: 160 hid_hw_stop(hdev); 161 exit: 162 return retval; 163 } 164 165 static void konepure_remove(struct hid_device *hdev) 166 { 167 konepure_remove_specials(hdev); 168 hid_hw_stop(hdev); 169 } 170 171 static 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 } 189 190 static 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 }; 195 196 MODULE_DEVICE_TABLE(hid, konepure_devices); 197 198 static 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 }; 205 206 static 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 } 220 221 static void __exit konepure_exit(void) 222 { 223 hid_unregister_driver(&konepure_driver); 224 class_destroy(konepure_class); 225 } 226 227 module_init(konepure_init); 228 module_exit(konepure_exit); 229 230 MODULE_AUTHOR("Stefan Achatz"); 231 MODULE_DESCRIPTION("USB Roccat KonePure/Optical driver"); 232 MODULE_LICENSE("GPL v2"); 233