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[linux-2.6.git] / drivers / hid / hid-roccat-pyra.c
1 /*
2  * Roccat Pyra driver for Linux
3  *
4  * Copyright (c) 2010 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 Pyra is a mobile gamer mouse which comes in wired and wireless
16  * variant. Wireless variant is not tested.
17  * Userland tools can be found at http://sourceforge.net/projects/roccat
18  */
19
20 #include <linux/device.h>
21 #include <linux/input.h>
22 #include <linux/hid.h>
23 #include <linux/module.h>
24 #include <linux/slab.h>
25 #include <linux/hid-roccat.h>
26 #include "hid-ids.h"
27 #include "hid-roccat-common.h"
28 #include "hid-roccat-pyra.h"
29
30 static uint profile_numbers[5] = {0, 1, 2, 3, 4};
31
32 /* pyra_class is used for creating sysfs attributes via roccat char device */
33 static struct class *pyra_class;
34
35 static void profile_activated(struct pyra_device *pyra,
36                 unsigned int new_profile)
37 {
38         pyra->actual_profile = new_profile;
39         pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi;
40 }
41
42 static int pyra_send_control(struct usb_device *usb_dev, int value,
43                 enum pyra_control_requests request)
44 {
45         struct pyra_control control;
46
47         if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS ||
48                         request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) &&
49                         (value < 0 || value > 4))
50                 return -EINVAL;
51
52         control.command = PYRA_COMMAND_CONTROL;
53         control.value = value;
54         control.request = request;
55
56         return roccat_common_send(usb_dev, PYRA_COMMAND_CONTROL,
57                         &control, sizeof(struct pyra_control));
58 }
59
60 static int pyra_receive_control_status(struct usb_device *usb_dev)
61 {
62         int retval;
63         struct pyra_control control;
64
65         do {
66                 msleep(10);
67                 retval = roccat_common_receive(usb_dev, PYRA_COMMAND_CONTROL,
68                                 &control, sizeof(struct pyra_control));
69
70                 /* requested too early, try again */
71         } while (retval == -EPROTO);
72
73         if (!retval && control.command == PYRA_COMMAND_CONTROL &&
74                         control.request == PYRA_CONTROL_REQUEST_STATUS &&
75                         control.value == 1)
76                 return 0;
77         else {
78                 hid_err(usb_dev, "receive control status: unknown response 0x%x 0x%x\n",
79                         control.request, control.value);
80                 return retval ? retval : -EINVAL;
81         }
82 }
83
84 static int pyra_get_profile_settings(struct usb_device *usb_dev,
85                 struct pyra_profile_settings *buf, int number)
86 {
87         int retval;
88         retval = pyra_send_control(usb_dev, number,
89                         PYRA_CONTROL_REQUEST_PROFILE_SETTINGS);
90         if (retval)
91                 return retval;
92         return roccat_common_receive(usb_dev, PYRA_COMMAND_PROFILE_SETTINGS,
93                         buf, sizeof(struct pyra_profile_settings));
94 }
95
96 static int pyra_get_profile_buttons(struct usb_device *usb_dev,
97                 struct pyra_profile_buttons *buf, int number)
98 {
99         int retval;
100         retval = pyra_send_control(usb_dev, number,
101                         PYRA_CONTROL_REQUEST_PROFILE_BUTTONS);
102         if (retval)
103                 return retval;
104         return roccat_common_receive(usb_dev, PYRA_COMMAND_PROFILE_BUTTONS,
105                         buf, sizeof(struct pyra_profile_buttons));
106 }
107
108 static int pyra_get_settings(struct usb_device *usb_dev,
109                 struct pyra_settings *buf)
110 {
111         return roccat_common_receive(usb_dev, PYRA_COMMAND_SETTINGS,
112                         buf, sizeof(struct pyra_settings));
113 }
114
115 static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf)
116 {
117         return roccat_common_receive(usb_dev, PYRA_COMMAND_INFO,
118                         buf, sizeof(struct pyra_info));
119 }
120
121 static int pyra_send(struct usb_device *usb_dev, uint command,
122                 void const *buf, uint size)
123 {
124         int retval;
125         retval = roccat_common_send(usb_dev, command, buf, size);
126         if (retval)
127                 return retval;
128         return pyra_receive_control_status(usb_dev);
129 }
130
131 static int pyra_set_profile_settings(struct usb_device *usb_dev,
132                 struct pyra_profile_settings const *settings)
133 {
134         return pyra_send(usb_dev, PYRA_COMMAND_PROFILE_SETTINGS, settings,
135                         sizeof(struct pyra_profile_settings));
136 }
137
138 static int pyra_set_profile_buttons(struct usb_device *usb_dev,
139                 struct pyra_profile_buttons const *buttons)
140 {
141         return pyra_send(usb_dev, PYRA_COMMAND_PROFILE_BUTTONS, buttons,
142                         sizeof(struct pyra_profile_buttons));
143 }
144
145 static int pyra_set_settings(struct usb_device *usb_dev,
146                 struct pyra_settings const *settings)
147 {
148         return pyra_send(usb_dev, PYRA_COMMAND_SETTINGS, settings,
149                         sizeof(struct pyra_settings));
150 }
151
152 static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp,
153                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
154                 loff_t off, size_t count)
155 {
156         struct device *dev =
157                         container_of(kobj, struct device, kobj)->parent->parent;
158         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
159
160         if (off >= sizeof(struct pyra_profile_settings))
161                 return 0;
162
163         if (off + count > sizeof(struct pyra_profile_settings))
164                 count = sizeof(struct pyra_profile_settings) - off;
165
166         mutex_lock(&pyra->pyra_lock);
167         memcpy(buf, ((char const *)&pyra->profile_settings[*(uint *)(attr->private)]) + off,
168                         count);
169         mutex_unlock(&pyra->pyra_lock);
170
171         return count;
172 }
173
174 static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
175                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
176                 loff_t off, size_t count)
177 {
178         struct device *dev =
179                         container_of(kobj, struct device, kobj)->parent->parent;
180         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
181
182         if (off >= sizeof(struct pyra_profile_buttons))
183                 return 0;
184
185         if (off + count > sizeof(struct pyra_profile_buttons))
186                 count = sizeof(struct pyra_profile_buttons) - off;
187
188         mutex_lock(&pyra->pyra_lock);
189         memcpy(buf, ((char const *)&pyra->profile_buttons[*(uint *)(attr->private)]) + off,
190                         count);
191         mutex_unlock(&pyra->pyra_lock);
192
193         return count;
194 }
195
196 static ssize_t pyra_sysfs_write_profile_settings(struct file *fp,
197                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
198                 loff_t off, size_t count)
199 {
200         struct device *dev =
201                         container_of(kobj, struct device, kobj)->parent->parent;
202         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
203         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
204         int retval = 0;
205         int difference;
206         int profile_number;
207         struct pyra_profile_settings *profile_settings;
208
209         if (off != 0 || count != sizeof(struct pyra_profile_settings))
210                 return -EINVAL;
211
212         profile_number = ((struct pyra_profile_settings const *)buf)->number;
213         profile_settings = &pyra->profile_settings[profile_number];
214
215         mutex_lock(&pyra->pyra_lock);
216         difference = memcmp(buf, profile_settings,
217                         sizeof(struct pyra_profile_settings));
218         if (difference) {
219                 retval = pyra_set_profile_settings(usb_dev,
220                                 (struct pyra_profile_settings const *)buf);
221                 if (!retval)
222                         memcpy(profile_settings, buf,
223                                         sizeof(struct pyra_profile_settings));
224         }
225         mutex_unlock(&pyra->pyra_lock);
226
227         if (retval)
228                 return retval;
229
230         return sizeof(struct pyra_profile_settings);
231 }
232
233 static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp,
234                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
235                 loff_t off, size_t count)
236 {
237         struct device *dev =
238                         container_of(kobj, struct device, kobj)->parent->parent;
239         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
240         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
241         int retval = 0;
242         int difference;
243         int profile_number;
244         struct pyra_profile_buttons *profile_buttons;
245
246         if (off != 0 || count != sizeof(struct pyra_profile_buttons))
247                 return -EINVAL;
248
249         profile_number = ((struct pyra_profile_buttons const *)buf)->number;
250         profile_buttons = &pyra->profile_buttons[profile_number];
251
252         mutex_lock(&pyra->pyra_lock);
253         difference = memcmp(buf, profile_buttons,
254                         sizeof(struct pyra_profile_buttons));
255         if (difference) {
256                 retval = pyra_set_profile_buttons(usb_dev,
257                                 (struct pyra_profile_buttons const *)buf);
258                 if (!retval)
259                         memcpy(profile_buttons, buf,
260                                         sizeof(struct pyra_profile_buttons));
261         }
262         mutex_unlock(&pyra->pyra_lock);
263
264         if (retval)
265                 return retval;
266
267         return sizeof(struct pyra_profile_buttons);
268 }
269
270 static ssize_t pyra_sysfs_read_settings(struct file *fp,
271                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
272                 loff_t off, size_t count)
273 {
274         struct device *dev =
275                         container_of(kobj, struct device, kobj)->parent->parent;
276         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
277
278         if (off >= sizeof(struct pyra_settings))
279                 return 0;
280
281         if (off + count > sizeof(struct pyra_settings))
282                 count = sizeof(struct pyra_settings) - off;
283
284         mutex_lock(&pyra->pyra_lock);
285         memcpy(buf, ((char const *)&pyra->settings) + off, count);
286         mutex_unlock(&pyra->pyra_lock);
287
288         return count;
289 }
290
291 static ssize_t pyra_sysfs_write_settings(struct file *fp,
292                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
293                 loff_t off, size_t count)
294 {
295         struct device *dev =
296                         container_of(kobj, struct device, kobj)->parent->parent;
297         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
298         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
299         int retval = 0;
300         int difference;
301
302         if (off != 0 || count != sizeof(struct pyra_settings))
303                 return -EINVAL;
304
305         mutex_lock(&pyra->pyra_lock);
306         difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings));
307         if (difference) {
308                 retval = pyra_set_settings(usb_dev,
309                                 (struct pyra_settings const *)buf);
310                 if (!retval)
311                         memcpy(&pyra->settings, buf,
312                                         sizeof(struct pyra_settings));
313         }
314         mutex_unlock(&pyra->pyra_lock);
315
316         if (retval)
317                 return retval;
318
319         profile_activated(pyra, pyra->settings.startup_profile);
320
321         return sizeof(struct pyra_settings);
322 }
323
324
325 static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev,
326                 struct device_attribute *attr, char *buf)
327 {
328         struct pyra_device *pyra =
329                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
330         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi);
331 }
332
333 static ssize_t pyra_sysfs_show_actual_profile(struct device *dev,
334                 struct device_attribute *attr, char *buf)
335 {
336         struct pyra_device *pyra =
337                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
338         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile);
339 }
340
341 static ssize_t pyra_sysfs_show_firmware_version(struct device *dev,
342                 struct device_attribute *attr, char *buf)
343 {
344         struct pyra_device *pyra =
345                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
346         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version);
347 }
348
349 static ssize_t pyra_sysfs_show_startup_profile(struct device *dev,
350                 struct device_attribute *attr, char *buf)
351 {
352         struct pyra_device *pyra =
353                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
354         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile);
355 }
356
357 static struct device_attribute pyra_attributes[] = {
358         __ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL),
359         __ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL),
360         __ATTR(firmware_version, 0440,
361                         pyra_sysfs_show_firmware_version, NULL),
362         __ATTR(startup_profile, 0440,
363                         pyra_sysfs_show_startup_profile, NULL),
364         __ATTR_NULL
365 };
366
367 static struct bin_attribute pyra_bin_attributes[] = {
368         {
369                 .attr = { .name = "profile_settings", .mode = 0220 },
370                 .size = sizeof(struct pyra_profile_settings),
371                 .write = pyra_sysfs_write_profile_settings
372         },
373         {
374                 .attr = { .name = "profile1_settings", .mode = 0440 },
375                 .size = sizeof(struct pyra_profile_settings),
376                 .read = pyra_sysfs_read_profilex_settings,
377                 .private = &profile_numbers[0]
378         },
379         {
380                 .attr = { .name = "profile2_settings", .mode = 0440 },
381                 .size = sizeof(struct pyra_profile_settings),
382                 .read = pyra_sysfs_read_profilex_settings,
383                 .private = &profile_numbers[1]
384         },
385         {
386                 .attr = { .name = "profile3_settings", .mode = 0440 },
387                 .size = sizeof(struct pyra_profile_settings),
388                 .read = pyra_sysfs_read_profilex_settings,
389                 .private = &profile_numbers[2]
390         },
391         {
392                 .attr = { .name = "profile4_settings", .mode = 0440 },
393                 .size = sizeof(struct pyra_profile_settings),
394                 .read = pyra_sysfs_read_profilex_settings,
395                 .private = &profile_numbers[3]
396         },
397         {
398                 .attr = { .name = "profile5_settings", .mode = 0440 },
399                 .size = sizeof(struct pyra_profile_settings),
400                 .read = pyra_sysfs_read_profilex_settings,
401                 .private = &profile_numbers[4]
402         },
403         {
404                 .attr = { .name = "profile_buttons", .mode = 0220 },
405                 .size = sizeof(struct pyra_profile_buttons),
406                 .write = pyra_sysfs_write_profile_buttons
407         },
408         {
409                 .attr = { .name = "profile1_buttons", .mode = 0440 },
410                 .size = sizeof(struct pyra_profile_buttons),
411                 .read = pyra_sysfs_read_profilex_buttons,
412                 .private = &profile_numbers[0]
413         },
414         {
415                 .attr = { .name = "profile2_buttons", .mode = 0440 },
416                 .size = sizeof(struct pyra_profile_buttons),
417                 .read = pyra_sysfs_read_profilex_buttons,
418                 .private = &profile_numbers[1]
419         },
420         {
421                 .attr = { .name = "profile3_buttons", .mode = 0440 },
422                 .size = sizeof(struct pyra_profile_buttons),
423                 .read = pyra_sysfs_read_profilex_buttons,
424                 .private = &profile_numbers[2]
425         },
426         {
427                 .attr = { .name = "profile4_buttons", .mode = 0440 },
428                 .size = sizeof(struct pyra_profile_buttons),
429                 .read = pyra_sysfs_read_profilex_buttons,
430                 .private = &profile_numbers[3]
431         },
432         {
433                 .attr = { .name = "profile5_buttons", .mode = 0440 },
434                 .size = sizeof(struct pyra_profile_buttons),
435                 .read = pyra_sysfs_read_profilex_buttons,
436                 .private = &profile_numbers[4]
437         },
438         {
439                 .attr = { .name = "settings", .mode = 0660 },
440                 .size = sizeof(struct pyra_settings),
441                 .read = pyra_sysfs_read_settings,
442                 .write = pyra_sysfs_write_settings
443         },
444         __ATTR_NULL
445 };
446
447 static int pyra_init_pyra_device_struct(struct usb_device *usb_dev,
448                 struct pyra_device *pyra)
449 {
450         struct pyra_info info;
451         int retval, i;
452
453         mutex_init(&pyra->pyra_lock);
454
455         retval = pyra_get_info(usb_dev, &info);
456         if (retval)
457                 return retval;
458
459         pyra->firmware_version = info.firmware_version;
460
461         retval = pyra_get_settings(usb_dev, &pyra->settings);
462         if (retval)
463                 return retval;
464
465         for (i = 0; i < 5; ++i) {
466                 retval = pyra_get_profile_settings(usb_dev,
467                                 &pyra->profile_settings[i], i);
468                 if (retval)
469                         return retval;
470
471                 retval = pyra_get_profile_buttons(usb_dev,
472                                 &pyra->profile_buttons[i], i);
473                 if (retval)
474                         return retval;
475         }
476
477         profile_activated(pyra, pyra->settings.startup_profile);
478
479         return 0;
480 }
481
482 static int pyra_init_specials(struct hid_device *hdev)
483 {
484         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
485         struct usb_device *usb_dev = interface_to_usbdev(intf);
486         struct pyra_device *pyra;
487         int retval;
488
489         if (intf->cur_altsetting->desc.bInterfaceProtocol
490                         == USB_INTERFACE_PROTOCOL_MOUSE) {
491
492                 pyra = kzalloc(sizeof(*pyra), GFP_KERNEL);
493                 if (!pyra) {
494                         hid_err(hdev, "can't alloc device descriptor\n");
495                         return -ENOMEM;
496                 }
497                 hid_set_drvdata(hdev, pyra);
498
499                 retval = pyra_init_pyra_device_struct(usb_dev, pyra);
500                 if (retval) {
501                         hid_err(hdev, "couldn't init struct pyra_device\n");
502                         goto exit_free;
503                 }
504
505                 retval = roccat_connect(pyra_class, hdev,
506                                 sizeof(struct pyra_roccat_report));
507                 if (retval < 0) {
508                         hid_err(hdev, "couldn't init char dev\n");
509                 } else {
510                         pyra->chrdev_minor = retval;
511                         pyra->roccat_claimed = 1;
512                 }
513         } else {
514                 hid_set_drvdata(hdev, NULL);
515         }
516
517         return 0;
518 exit_free:
519         kfree(pyra);
520         return retval;
521 }
522
523 static void pyra_remove_specials(struct hid_device *hdev)
524 {
525         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
526         struct pyra_device *pyra;
527
528         if (intf->cur_altsetting->desc.bInterfaceProtocol
529                         == USB_INTERFACE_PROTOCOL_MOUSE) {
530                 pyra = hid_get_drvdata(hdev);
531                 if (pyra->roccat_claimed)
532                         roccat_disconnect(pyra->chrdev_minor);
533                 kfree(hid_get_drvdata(hdev));
534         }
535 }
536
537 static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id)
538 {
539         int retval;
540
541         retval = hid_parse(hdev);
542         if (retval) {
543                 hid_err(hdev, "parse failed\n");
544                 goto exit;
545         }
546
547         retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
548         if (retval) {
549                 hid_err(hdev, "hw start failed\n");
550                 goto exit;
551         }
552
553         retval = pyra_init_specials(hdev);
554         if (retval) {
555                 hid_err(hdev, "couldn't install mouse\n");
556                 goto exit_stop;
557         }
558         return 0;
559
560 exit_stop:
561         hid_hw_stop(hdev);
562 exit:
563         return retval;
564 }
565
566 static void pyra_remove(struct hid_device *hdev)
567 {
568         pyra_remove_specials(hdev);
569         hid_hw_stop(hdev);
570 }
571
572 static void pyra_keep_values_up_to_date(struct pyra_device *pyra,
573                 u8 const *data)
574 {
575         struct pyra_mouse_event_button const *button_event;
576
577         switch (data[0]) {
578         case PYRA_MOUSE_REPORT_NUMBER_BUTTON:
579                 button_event = (struct pyra_mouse_event_button const *)data;
580                 switch (button_event->type) {
581                 case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
582                         profile_activated(pyra, button_event->data1 - 1);
583                         break;
584                 case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
585                         pyra->actual_cpi = button_event->data1;
586                         break;
587                 }
588                 break;
589         }
590 }
591
592 static void pyra_report_to_chrdev(struct pyra_device const *pyra,
593                 u8 const *data)
594 {
595         struct pyra_roccat_report roccat_report;
596         struct pyra_mouse_event_button const *button_event;
597
598         if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON)
599                 return;
600
601         button_event = (struct pyra_mouse_event_button const *)data;
602
603         switch (button_event->type) {
604         case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
605         case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
606                 roccat_report.type = button_event->type;
607                 roccat_report.value = button_event->data1;
608                 roccat_report.key = 0;
609                 roccat_report_event(pyra->chrdev_minor,
610                                 (uint8_t const *)&roccat_report);
611                 break;
612         case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO:
613         case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT:
614         case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH:
615                 if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) {
616                         roccat_report.type = button_event->type;
617                         roccat_report.key = button_event->data1;
618                         /*
619                          * pyra reports profile numbers with range 1-5.
620                          * Keeping this behaviour.
621                          */
622                         roccat_report.value = pyra->actual_profile + 1;
623                         roccat_report_event(pyra->chrdev_minor,
624                                         (uint8_t const *)&roccat_report);
625                 }
626                 break;
627         }
628 }
629
630 static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report,
631                 u8 *data, int size)
632 {
633         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
634         struct pyra_device *pyra = hid_get_drvdata(hdev);
635
636         if (intf->cur_altsetting->desc.bInterfaceProtocol
637                         != USB_INTERFACE_PROTOCOL_MOUSE)
638                 return 0;
639
640         if (pyra == NULL)
641                 return 0;
642
643         pyra_keep_values_up_to_date(pyra, data);
644
645         if (pyra->roccat_claimed)
646                 pyra_report_to_chrdev(pyra, data);
647
648         return 0;
649 }
650
651 static const struct hid_device_id pyra_devices[] = {
652         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
653                         USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
654         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
655                         USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
656         { }
657 };
658
659 MODULE_DEVICE_TABLE(hid, pyra_devices);
660
661 static struct hid_driver pyra_driver = {
662                 .name = "pyra",
663                 .id_table = pyra_devices,
664                 .probe = pyra_probe,
665                 .remove = pyra_remove,
666                 .raw_event = pyra_raw_event
667 };
668
669 static int __init pyra_init(void)
670 {
671         int retval;
672
673         /* class name has to be same as driver name */
674         pyra_class = class_create(THIS_MODULE, "pyra");
675         if (IS_ERR(pyra_class))
676                 return PTR_ERR(pyra_class);
677         pyra_class->dev_attrs = pyra_attributes;
678         pyra_class->dev_bin_attrs = pyra_bin_attributes;
679
680         retval = hid_register_driver(&pyra_driver);
681         if (retval)
682                 class_destroy(pyra_class);
683         return retval;
684 }
685
686 static void __exit pyra_exit(void)
687 {
688         hid_unregister_driver(&pyra_driver);
689         class_destroy(pyra_class);
690 }
691
692 module_init(pyra_init);
693 module_exit(pyra_exit);
694
695 MODULE_AUTHOR("Stefan Achatz");
696 MODULE_DESCRIPTION("USB Roccat Pyra driver");
697 MODULE_LICENSE("GPL v2");