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28#include <linux/device.h>
29#include <linux/input.h>
30#include <linux/hid.h>
31#include <linux/module.h>
32#include <linux/slab.h>
33#include <linux/hid-roccat.h>
34#include "hid-ids.h"
35#include "hid-roccat-common.h"
36#include "hid-roccat-kone.h"
37
38static uint profile_numbers[5] = {0, 1, 2, 3, 4};
39
40static void kone_profile_activated(struct kone_device *kone, uint new_profile)
41{
42 kone->actual_profile = new_profile;
43 kone->actual_dpi = kone->profiles[new_profile - 1].startup_dpi;
44}
45
46static void kone_profile_report(struct kone_device *kone, uint new_profile)
47{
48 struct kone_roccat_report roccat_report;
49
50 roccat_report.event = kone_mouse_event_switch_profile;
51 roccat_report.value = new_profile;
52 roccat_report.key = 0;
53 roccat_report_event(kone->chrdev_minor, (uint8_t *)&roccat_report);
54}
55
56static int kone_receive(struct usb_device *usb_dev, uint usb_command,
57 void *data, uint size)
58{
59 char *buf;
60 int len;
61
62 buf = kmalloc(size, GFP_KERNEL);
63 if (buf == NULL)
64 return -ENOMEM;
65
66 len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
67 HID_REQ_GET_REPORT,
68 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
69 usb_command, 0, buf, size, USB_CTRL_SET_TIMEOUT);
70
71 memcpy(data, buf, size);
72 kfree(buf);
73 return ((len < 0) ? len : ((len != size) ? -EIO : 0));
74}
75
76static int kone_send(struct usb_device *usb_dev, uint usb_command,
77 void const *data, uint size)
78{
79 char *buf;
80 int len;
81
82 buf = kmemdup(data, size, GFP_KERNEL);
83 if (buf == NULL)
84 return -ENOMEM;
85
86 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
87 HID_REQ_SET_REPORT,
88 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
89 usb_command, 0, buf, size, USB_CTRL_SET_TIMEOUT);
90
91 kfree(buf);
92 return ((len < 0) ? len : ((len != size) ? -EIO : 0));
93}
94
95
96static struct class *kone_class;
97
98static void kone_set_settings_checksum(struct kone_settings *settings)
99{
100 uint16_t checksum = 0;
101 unsigned char *address = (unsigned char *)settings;
102 int i;
103
104 for (i = 0; i < sizeof(struct kone_settings) - 2; ++i, ++address)
105 checksum += *address;
106 settings->checksum = cpu_to_le16(checksum);
107}
108
109
110
111
112
113
114static int kone_check_write(struct usb_device *usb_dev)
115{
116 int retval;
117 uint8_t data;
118
119 do {
120
121
122
123
124 msleep(80);
125
126 retval = kone_receive(usb_dev,
127 kone_command_confirm_write, &data, 1);
128 if (retval)
129 return retval;
130
131
132
133
134
135
136 } while (data == 3);
137
138 if (data == 1)
139 return 0;
140
141
142 dev_err(&usb_dev->dev, "got retval %d when checking write\n", data);
143 return -EIO;
144}
145
146
147
148
149
150
151static int kone_get_settings(struct usb_device *usb_dev,
152 struct kone_settings *buf)
153{
154 return kone_receive(usb_dev, kone_command_settings, buf,
155 sizeof(struct kone_settings));
156}
157
158
159
160
161
162
163static int kone_set_settings(struct usb_device *usb_dev,
164 struct kone_settings const *settings)
165{
166 int retval;
167
168 retval = kone_send(usb_dev, kone_command_settings,
169 settings, sizeof(struct kone_settings));
170 if (retval)
171 return retval;
172 return kone_check_write(usb_dev);
173}
174
175
176
177
178
179
180
181static int kone_get_profile(struct usb_device *usb_dev,
182 struct kone_profile *buf, int number)
183{
184 int len;
185
186 if (number < 1 || number > 5)
187 return -EINVAL;
188
189 len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
190 USB_REQ_CLEAR_FEATURE,
191 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
192 kone_command_profile, number, buf,
193 sizeof(struct kone_profile), USB_CTRL_SET_TIMEOUT);
194
195 if (len != sizeof(struct kone_profile))
196 return -EIO;
197
198 return 0;
199}
200
201
202
203
204
205
206
207static int kone_set_profile(struct usb_device *usb_dev,
208 struct kone_profile const *profile, int number)
209{
210 int len;
211
212 if (number < 1 || number > 5)
213 return -EINVAL;
214
215 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
216 USB_REQ_SET_CONFIGURATION,
217 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
218 kone_command_profile, number, (void *)profile,
219 sizeof(struct kone_profile),
220 USB_CTRL_SET_TIMEOUT);
221
222 if (len != sizeof(struct kone_profile))
223 return len;
224
225 if (kone_check_write(usb_dev))
226 return -EIO;
227
228 return 0;
229}
230
231
232
233
234
235
236static int kone_get_weight(struct usb_device *usb_dev, int *result)
237{
238 int retval;
239 uint8_t data;
240
241 retval = kone_receive(usb_dev, kone_command_weight, &data, 1);
242
243 if (retval)
244 return retval;
245
246 *result = (int)data;
247 return 0;
248}
249
250
251
252
253
254
255static int kone_get_firmware_version(struct usb_device *usb_dev, int *result)
256{
257 int retval;
258 uint16_t data;
259
260 retval = kone_receive(usb_dev, kone_command_firmware_version,
261 &data, 2);
262 if (retval)
263 return retval;
264
265 *result = le16_to_cpu(data);
266 return 0;
267}
268
269static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj,
270 struct bin_attribute *attr, char *buf,
271 loff_t off, size_t count) {
272 struct device *dev =
273 container_of(kobj, struct device, kobj)->parent->parent;
274 struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
275
276 if (off >= sizeof(struct kone_settings))
277 return 0;
278
279 if (off + count > sizeof(struct kone_settings))
280 count = sizeof(struct kone_settings) - off;
281
282 mutex_lock(&kone->kone_lock);
283 memcpy(buf, ((char const *)&kone->settings) + off, count);
284 mutex_unlock(&kone->kone_lock);
285
286 return count;
287}
288
289
290
291
292
293
294static ssize_t kone_sysfs_write_settings(struct file *fp, struct kobject *kobj,
295 struct bin_attribute *attr, char *buf,
296 loff_t off, size_t count) {
297 struct device *dev =
298 container_of(kobj, struct device, kobj)->parent->parent;
299 struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
300 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
301 int retval = 0, difference, old_profile;
302
303
304 if (off != 0 || count != sizeof(struct kone_settings))
305 return -EINVAL;
306
307 mutex_lock(&kone->kone_lock);
308 difference = memcmp(buf, &kone->settings, sizeof(struct kone_settings));
309 if (difference) {
310 retval = kone_set_settings(usb_dev,
311 (struct kone_settings const *)buf);
312 if (retval) {
313 mutex_unlock(&kone->kone_lock);
314 return retval;
315 }
316
317 old_profile = kone->settings.startup_profile;
318 memcpy(&kone->settings, buf, sizeof(struct kone_settings));
319
320 kone_profile_activated(kone, kone->settings.startup_profile);
321
322 if (kone->settings.startup_profile != old_profile)
323 kone_profile_report(kone, kone->settings.startup_profile);
324 }
325 mutex_unlock(&kone->kone_lock);
326
327 return sizeof(struct kone_settings);
328}
329static BIN_ATTR(settings, 0660, kone_sysfs_read_settings,
330 kone_sysfs_write_settings, sizeof(struct kone_settings));
331
332static ssize_t kone_sysfs_read_profilex(struct file *fp,
333 struct kobject *kobj, struct bin_attribute *attr,
334 char *buf, loff_t off, size_t count) {
335 struct device *dev =
336 container_of(kobj, struct device, kobj)->parent->parent;
337 struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
338
339 if (off >= sizeof(struct kone_profile))
340 return 0;
341
342 if (off + count > sizeof(struct kone_profile))
343 count = sizeof(struct kone_profile) - off;
344
345 mutex_lock(&kone->kone_lock);
346 memcpy(buf, ((char const *)&kone->profiles[*(uint *)(attr->private)]) + off, count);
347 mutex_unlock(&kone->kone_lock);
348
349 return count;
350}
351
352
353static ssize_t kone_sysfs_write_profilex(struct file *fp,
354 struct kobject *kobj, struct bin_attribute *attr,
355 char *buf, loff_t off, size_t count) {
356 struct device *dev =
357 container_of(kobj, struct device, kobj)->parent->parent;
358 struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
359 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
360 struct kone_profile *profile;
361 int retval = 0, difference;
362
363
364 if (off != 0 || count != sizeof(struct kone_profile))
365 return -EINVAL;
366
367 profile = &kone->profiles[*(uint *)(attr->private)];
368
369 mutex_lock(&kone->kone_lock);
370 difference = memcmp(buf, profile, sizeof(struct kone_profile));
371 if (difference) {
372 retval = kone_set_profile(usb_dev,
373 (struct kone_profile const *)buf,
374 *(uint *)(attr->private) + 1);
375 if (!retval)
376 memcpy(profile, buf, sizeof(struct kone_profile));
377 }
378 mutex_unlock(&kone->kone_lock);
379
380 if (retval)
381 return retval;
382
383 return sizeof(struct kone_profile);
384}
385#define PROFILE_ATTR(number) \
386static struct bin_attribute bin_attr_profile##number = { \
387 .attr = { .name = "profile" #number, .mode = 0660 }, \
388 .size = sizeof(struct kone_profile), \
389 .read = kone_sysfs_read_profilex, \
390 .write = kone_sysfs_write_profilex, \
391 .private = &profile_numbers[number-1], \
392}
393PROFILE_ATTR(1);
394PROFILE_ATTR(2);
395PROFILE_ATTR(3);
396PROFILE_ATTR(4);
397PROFILE_ATTR(5);
398
399static ssize_t kone_sysfs_show_actual_profile(struct device *dev,
400 struct device_attribute *attr, char *buf)
401{
402 struct kone_device *kone =
403 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
404 return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_profile);
405}
406static DEVICE_ATTR(actual_profile, 0440, kone_sysfs_show_actual_profile, NULL);
407
408static ssize_t kone_sysfs_show_actual_dpi(struct device *dev,
409 struct device_attribute *attr, char *buf)
410{
411 struct kone_device *kone =
412 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
413 return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_dpi);
414}
415static DEVICE_ATTR(actual_dpi, 0440, kone_sysfs_show_actual_dpi, NULL);
416
417
418static ssize_t kone_sysfs_show_weight(struct device *dev,
419 struct device_attribute *attr, char *buf)
420{
421 struct kone_device *kone;
422 struct usb_device *usb_dev;
423 int weight = 0;
424 int retval;
425
426 dev = dev->parent->parent;
427 kone = hid_get_drvdata(dev_get_drvdata(dev));
428 usb_dev = interface_to_usbdev(to_usb_interface(dev));
429
430 mutex_lock(&kone->kone_lock);
431 retval = kone_get_weight(usb_dev, &weight);
432 mutex_unlock(&kone->kone_lock);
433
434 if (retval)
435 return retval;
436 return snprintf(buf, PAGE_SIZE, "%d\n", weight);
437}
438static DEVICE_ATTR(weight, 0440, kone_sysfs_show_weight, NULL);
439
440static ssize_t kone_sysfs_show_firmware_version(struct device *dev,
441 struct device_attribute *attr, char *buf)
442{
443 struct kone_device *kone =
444 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
445 return snprintf(buf, PAGE_SIZE, "%d\n", kone->firmware_version);
446}
447static DEVICE_ATTR(firmware_version, 0440, kone_sysfs_show_firmware_version,
448 NULL);
449
450static ssize_t kone_sysfs_show_tcu(struct device *dev,
451 struct device_attribute *attr, char *buf)
452{
453 struct kone_device *kone =
454 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
455 return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.tcu);
456}
457
458static int kone_tcu_command(struct usb_device *usb_dev, int number)
459{
460 unsigned char value;
461
462 value = number;
463 return kone_send(usb_dev, kone_command_calibrate, &value, 1);
464}
465
466
467
468
469
470static ssize_t kone_sysfs_set_tcu(struct device *dev,
471 struct device_attribute *attr, char const *buf, size_t size)
472{
473 struct kone_device *kone;
474 struct usb_device *usb_dev;
475 int retval;
476 unsigned long state;
477
478 dev = dev->parent->parent;
479 kone = hid_get_drvdata(dev_get_drvdata(dev));
480 usb_dev = interface_to_usbdev(to_usb_interface(dev));
481
482 retval = kstrtoul(buf, 10, &state);
483 if (retval)
484 return retval;
485
486 if (state != 0 && state != 1)
487 return -EINVAL;
488
489 mutex_lock(&kone->kone_lock);
490
491 if (state == 1) {
492 retval = kone_tcu_command(usb_dev, 1);
493 if (retval)
494 goto exit_unlock;
495 retval = kone_tcu_command(usb_dev, 2);
496 if (retval)
497 goto exit_unlock;
498 ssleep(5);
499 retval = kone_tcu_command(usb_dev, 3);
500 if (retval)
501 goto exit_unlock;
502 retval = kone_tcu_command(usb_dev, 0);
503 if (retval)
504 goto exit_unlock;
505 retval = kone_tcu_command(usb_dev, 4);
506 if (retval)
507 goto exit_unlock;
508
509
510
511
512
513
514 ssleep(1);
515 }
516
517
518 retval = kone_get_settings(usb_dev, &kone->settings);
519 if (retval)
520 goto exit_no_settings;
521
522
523 if (kone->settings.tcu != state) {
524 kone->settings.tcu = state;
525 kone_set_settings_checksum(&kone->settings);
526
527 retval = kone_set_settings(usb_dev, &kone->settings);
528 if (retval) {
529 dev_err(&usb_dev->dev, "couldn't set tcu state\n");
530
531
532
533
534 retval = kone_get_settings(usb_dev, &kone->settings);
535 if (retval)
536 goto exit_no_settings;
537 goto exit_unlock;
538 }
539
540 kone_profile_activated(kone, kone->settings.startup_profile);
541 }
542
543 retval = size;
544exit_no_settings:
545 dev_err(&usb_dev->dev, "couldn't read settings\n");
546exit_unlock:
547 mutex_unlock(&kone->kone_lock);
548 return retval;
549}
550static DEVICE_ATTR(tcu, 0660, kone_sysfs_show_tcu, kone_sysfs_set_tcu);
551
552static ssize_t kone_sysfs_show_startup_profile(struct device *dev,
553 struct device_attribute *attr, char *buf)
554{
555 struct kone_device *kone =
556 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
557 return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.startup_profile);
558}
559
560static ssize_t kone_sysfs_set_startup_profile(struct device *dev,
561 struct device_attribute *attr, char const *buf, size_t size)
562{
563 struct kone_device *kone;
564 struct usb_device *usb_dev;
565 int retval;
566 unsigned long new_startup_profile;
567
568 dev = dev->parent->parent;
569 kone = hid_get_drvdata(dev_get_drvdata(dev));
570 usb_dev = interface_to_usbdev(to_usb_interface(dev));
571
572 retval = kstrtoul(buf, 10, &new_startup_profile);
573 if (retval)
574 return retval;
575
576 if (new_startup_profile < 1 || new_startup_profile > 5)
577 return -EINVAL;
578
579 mutex_lock(&kone->kone_lock);
580
581 kone->settings.startup_profile = new_startup_profile;
582 kone_set_settings_checksum(&kone->settings);
583
584 retval = kone_set_settings(usb_dev, &kone->settings);
585 if (retval) {
586 mutex_unlock(&kone->kone_lock);
587 return retval;
588 }
589
590
591 kone_profile_activated(kone, new_startup_profile);
592 kone_profile_report(kone, new_startup_profile);
593
594 mutex_unlock(&kone->kone_lock);
595 return size;
596}
597static DEVICE_ATTR(startup_profile, 0660, kone_sysfs_show_startup_profile,
598 kone_sysfs_set_startup_profile);
599
600static struct attribute *kone_attrs[] = {
601
602
603
604
605
606 &dev_attr_actual_dpi.attr,
607 &dev_attr_actual_profile.attr,
608
609
610
611
612
613
614
615
616 &dev_attr_weight.attr,
617
618
619
620
621
622
623
624 &dev_attr_firmware_version.attr,
625
626
627
628
629
630
631 &dev_attr_tcu.attr,
632
633
634 &dev_attr_startup_profile.attr,
635 NULL,
636};
637
638static struct bin_attribute *kone_bin_attributes[] = {
639 &bin_attr_settings,
640 &bin_attr_profile1,
641 &bin_attr_profile2,
642 &bin_attr_profile3,
643 &bin_attr_profile4,
644 &bin_attr_profile5,
645 NULL,
646};
647
648static const struct attribute_group kone_group = {
649 .attrs = kone_attrs,
650 .bin_attrs = kone_bin_attributes,
651};
652
653static const struct attribute_group *kone_groups[] = {
654 &kone_group,
655 NULL,
656};
657
658static int kone_init_kone_device_struct(struct usb_device *usb_dev,
659 struct kone_device *kone)
660{
661 uint i;
662 int retval;
663
664 mutex_init(&kone->kone_lock);
665
666 for (i = 0; i < 5; ++i) {
667 retval = kone_get_profile(usb_dev, &kone->profiles[i], i + 1);
668 if (retval)
669 return retval;
670 }
671
672 retval = kone_get_settings(usb_dev, &kone->settings);
673 if (retval)
674 return retval;
675
676 retval = kone_get_firmware_version(usb_dev, &kone->firmware_version);
677 if (retval)
678 return retval;
679
680 kone_profile_activated(kone, kone->settings.startup_profile);
681
682 return 0;
683}
684
685
686
687
688
689
690
691
692static int kone_init_specials(struct hid_device *hdev)
693{
694 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
695 struct usb_device *usb_dev = interface_to_usbdev(intf);
696 struct kone_device *kone;
697 int retval;
698
699 if (intf->cur_altsetting->desc.bInterfaceProtocol
700 == USB_INTERFACE_PROTOCOL_MOUSE) {
701
702 kone = kzalloc(sizeof(*kone), GFP_KERNEL);
703 if (!kone)
704 return -ENOMEM;
705 hid_set_drvdata(hdev, kone);
706
707 retval = kone_init_kone_device_struct(usb_dev, kone);
708 if (retval) {
709 hid_err(hdev, "couldn't init struct kone_device\n");
710 goto exit_free;
711 }
712
713 retval = roccat_connect(kone_class, hdev,
714 sizeof(struct kone_roccat_report));
715 if (retval < 0) {
716 hid_err(hdev, "couldn't init char dev\n");
717
718 } else {
719 kone->roccat_claimed = 1;
720 kone->chrdev_minor = retval;
721 }
722 } else {
723 hid_set_drvdata(hdev, NULL);
724 }
725
726 return 0;
727exit_free:
728 kfree(kone);
729 return retval;
730}
731
732static void kone_remove_specials(struct hid_device *hdev)
733{
734 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
735 struct kone_device *kone;
736
737 if (intf->cur_altsetting->desc.bInterfaceProtocol
738 == USB_INTERFACE_PROTOCOL_MOUSE) {
739 kone = hid_get_drvdata(hdev);
740 if (kone->roccat_claimed)
741 roccat_disconnect(kone->chrdev_minor);
742 kfree(hid_get_drvdata(hdev));
743 }
744}
745
746static int kone_probe(struct hid_device *hdev, const struct hid_device_id *id)
747{
748 int retval;
749
750 retval = hid_parse(hdev);
751 if (retval) {
752 hid_err(hdev, "parse failed\n");
753 goto exit;
754 }
755
756 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
757 if (retval) {
758 hid_err(hdev, "hw start failed\n");
759 goto exit;
760 }
761
762 retval = kone_init_specials(hdev);
763 if (retval) {
764 hid_err(hdev, "couldn't install mouse\n");
765 goto exit_stop;
766 }
767
768 return 0;
769
770exit_stop:
771 hid_hw_stop(hdev);
772exit:
773 return retval;
774}
775
776static void kone_remove(struct hid_device *hdev)
777{
778 kone_remove_specials(hdev);
779 hid_hw_stop(hdev);
780}
781
782
783static void kone_keep_values_up_to_date(struct kone_device *kone,
784 struct kone_mouse_event const *event)
785{
786 switch (event->event) {
787 case kone_mouse_event_switch_profile:
788 kone->actual_dpi = kone->profiles[event->value - 1].
789 startup_dpi;
790 case kone_mouse_event_osd_profile:
791 kone->actual_profile = event->value;
792 break;
793 case kone_mouse_event_switch_dpi:
794 case kone_mouse_event_osd_dpi:
795 kone->actual_dpi = event->value;
796 break;
797 }
798}
799
800static void kone_report_to_chrdev(struct kone_device const *kone,
801 struct kone_mouse_event const *event)
802{
803 struct kone_roccat_report roccat_report;
804
805 switch (event->event) {
806 case kone_mouse_event_switch_profile:
807 case kone_mouse_event_switch_dpi:
808 case kone_mouse_event_osd_profile:
809 case kone_mouse_event_osd_dpi:
810 roccat_report.event = event->event;
811 roccat_report.value = event->value;
812 roccat_report.key = 0;
813 roccat_report_event(kone->chrdev_minor,
814 (uint8_t *)&roccat_report);
815 break;
816 case kone_mouse_event_call_overlong_macro:
817 case kone_mouse_event_multimedia:
818 if (event->value == kone_keystroke_action_press) {
819 roccat_report.event = event->event;
820 roccat_report.value = kone->actual_profile;
821 roccat_report.key = event->macro_key;
822 roccat_report_event(kone->chrdev_minor,
823 (uint8_t *)&roccat_report);
824 }
825 break;
826 }
827
828}
829
830
831
832
833
834
835static int kone_raw_event(struct hid_device *hdev, struct hid_report *report,
836 u8 *data, int size)
837{
838 struct kone_device *kone = hid_get_drvdata(hdev);
839 struct kone_mouse_event *event = (struct kone_mouse_event *)data;
840
841
842 if (size != sizeof(struct kone_mouse_event))
843 return 0;
844
845 if (kone == NULL)
846 return 0;
847
848
849
850
851
852
853 if (memcmp(&kone->last_mouse_event.tilt, &event->tilt, 5))
854 memcpy(&kone->last_mouse_event, event,
855 sizeof(struct kone_mouse_event));
856 else
857 memset(&event->tilt, 0, 5);
858
859 kone_keep_values_up_to_date(kone, event);
860
861 if (kone->roccat_claimed)
862 kone_report_to_chrdev(kone, event);
863
864 return 0;
865}
866
867static const struct hid_device_id kone_devices[] = {
868 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
869 { }
870};
871
872MODULE_DEVICE_TABLE(hid, kone_devices);
873
874static struct hid_driver kone_driver = {
875 .name = "kone",
876 .id_table = kone_devices,
877 .probe = kone_probe,
878 .remove = kone_remove,
879 .raw_event = kone_raw_event
880};
881
882static int __init kone_init(void)
883{
884 int retval;
885
886
887 kone_class = class_create(THIS_MODULE, "kone");
888 if (IS_ERR(kone_class))
889 return PTR_ERR(kone_class);
890 kone_class->dev_groups = kone_groups;
891
892 retval = hid_register_driver(&kone_driver);
893 if (retval)
894 class_destroy(kone_class);
895 return retval;
896}
897
898static void __exit kone_exit(void)
899{
900 hid_unregister_driver(&kone_driver);
901 class_destroy(kone_class);
902}
903
904module_init(kone_init);
905module_exit(kone_exit);
906
907MODULE_AUTHOR("Stefan Achatz");
908MODULE_DESCRIPTION("USB Roccat Kone driver");
909MODULE_LICENSE("GPL v2");
910