/drivers/hid/hid-roccat-koneplus.c
C | 792 lines | 637 code | 134 blank | 21 comment | 78 complexity | 8976d6a9f07b4dc320bd15edc80d914b MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
1/*
2 * Roccat Kone[+] 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 Kone[+] is an updated/improved version of the Kone with more memory
16 * and functionality and without the non-standard behaviours the Kone had.
17 */
18
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#include "hid-roccat-koneplus.h"
28
29static uint profile_numbers[5] = {0, 1, 2, 3, 4};
30
31static struct class *koneplus_class;
32
33static void koneplus_profile_activated(struct koneplus_device *koneplus,
34 uint new_profile)
35{
36 koneplus->actual_profile = new_profile;
37}
38
39static int koneplus_send_control(struct usb_device *usb_dev, uint value,
40 enum koneplus_control_requests request)
41{
42 struct koneplus_control control;
43
44 if ((request == KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS ||
45 request == KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&
46 value > 4)
47 return -EINVAL;
48
49 control.command = KONEPLUS_COMMAND_CONTROL;
50 control.value = value;
51 control.request = request;
52
53 return roccat_common_send(usb_dev, KONEPLUS_USB_COMMAND_CONTROL,
54 &control, sizeof(struct koneplus_control));
55}
56
57static int koneplus_receive_control_status(struct usb_device *usb_dev)
58{
59 int retval;
60 struct koneplus_control control;
61
62 do {
63 retval = roccat_common_receive(usb_dev, KONEPLUS_USB_COMMAND_CONTROL,
64 &control, sizeof(struct koneplus_control));
65
66 /* check if we get a completely wrong answer */
67 if (retval)
68 return retval;
69
70 if (control.value == KONEPLUS_CONTROL_REQUEST_STATUS_OK)
71 return 0;
72
73 /* indicates that hardware needs some more time to complete action */
74 if (control.value == KONEPLUS_CONTROL_REQUEST_STATUS_WAIT) {
75 msleep(500); /* windows driver uses 1000 */
76 continue;
77 }
78
79 /* seems to be critical - replug necessary */
80 if (control.value == KONEPLUS_CONTROL_REQUEST_STATUS_OVERLOAD)
81 return -EINVAL;
82
83 hid_err(usb_dev, "koneplus_receive_control_status: "
84 "unknown response value 0x%x\n", control.value);
85 return -EINVAL;
86 } while (1);
87}
88
89static int koneplus_send(struct usb_device *usb_dev, uint command,
90 void const *buf, uint size)
91{
92 int retval;
93
94 retval = roccat_common_send(usb_dev, command, buf, size);
95 if (retval)
96 return retval;
97
98 return koneplus_receive_control_status(usb_dev);
99}
100
101static int koneplus_select_profile(struct usb_device *usb_dev, uint number,
102 enum koneplus_control_requests request)
103{
104 int retval;
105
106 retval = koneplus_send_control(usb_dev, number, request);
107 if (retval)
108 return retval;
109
110 /* allow time to settle things - windows driver uses 500 */
111 msleep(100);
112
113 retval = koneplus_receive_control_status(usb_dev);
114 if (retval)
115 return retval;
116
117 return 0;
118}
119
120static int koneplus_get_info(struct usb_device *usb_dev,
121 struct koneplus_info *buf)
122{
123 return roccat_common_receive(usb_dev, KONEPLUS_USB_COMMAND_INFO,
124 buf, sizeof(struct koneplus_info));
125}
126
127static int koneplus_get_profile_settings(struct usb_device *usb_dev,
128 struct koneplus_profile_settings *buf, uint number)
129{
130 int retval;
131
132 retval = koneplus_select_profile(usb_dev, number,
133 KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
134 if (retval)
135 return retval;
136
137 return roccat_common_receive(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_SETTINGS,
138 buf, sizeof(struct koneplus_profile_settings));
139}
140
141static int koneplus_set_profile_settings(struct usb_device *usb_dev,
142 struct koneplus_profile_settings const *settings)
143{
144 return koneplus_send(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_SETTINGS,
145 settings, sizeof(struct koneplus_profile_settings));
146}
147
148static int koneplus_get_profile_buttons(struct usb_device *usb_dev,
149 struct koneplus_profile_buttons *buf, int number)
150{
151 int retval;
152
153 retval = koneplus_select_profile(usb_dev, number,
154 KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
155 if (retval)
156 return retval;
157
158 return roccat_common_receive(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_BUTTONS,
159 buf, sizeof(struct koneplus_profile_buttons));
160}
161
162static int koneplus_set_profile_buttons(struct usb_device *usb_dev,
163 struct koneplus_profile_buttons const *buttons)
164{
165 return koneplus_send(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_BUTTONS,
166 buttons, sizeof(struct koneplus_profile_buttons));
167}
168
169/* retval is 0-4 on success, < 0 on error */
170static int koneplus_get_actual_profile(struct usb_device *usb_dev)
171{
172 struct koneplus_actual_profile buf;
173 int retval;
174
175 retval = roccat_common_receive(usb_dev, KONEPLUS_USB_COMMAND_ACTUAL_PROFILE,
176 &buf, sizeof(struct koneplus_actual_profile));
177
178 return retval ? retval : buf.actual_profile;
179}
180
181static int koneplus_set_actual_profile(struct usb_device *usb_dev,
182 int new_profile)
183{
184 struct koneplus_actual_profile buf;
185
186 buf.command = KONEPLUS_COMMAND_ACTUAL_PROFILE;
187 buf.size = sizeof(struct koneplus_actual_profile);
188 buf.actual_profile = new_profile;
189
190 return koneplus_send(usb_dev, KONEPLUS_USB_COMMAND_ACTUAL_PROFILE,
191 &buf, sizeof(struct koneplus_actual_profile));
192}
193
194static ssize_t koneplus_sysfs_read(struct file *fp, struct kobject *kobj,
195 char *buf, loff_t off, size_t count,
196 size_t real_size, uint command)
197{
198 struct device *dev =
199 container_of(kobj, struct device, kobj)->parent->parent;
200 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
201 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
202 int retval;
203
204 if (off >= real_size)
205 return 0;
206
207 if (off != 0 || count != real_size)
208 return -EINVAL;
209
210 mutex_lock(&koneplus->koneplus_lock);
211 retval = roccat_common_receive(usb_dev, command, buf, real_size);
212 mutex_unlock(&koneplus->koneplus_lock);
213
214 if (retval)
215 return retval;
216
217 return real_size;
218}
219
220static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj,
221 void const *buf, loff_t off, size_t count,
222 size_t real_size, uint command)
223{
224 struct device *dev =
225 container_of(kobj, struct device, kobj)->parent->parent;
226 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
227 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
228 int retval;
229
230 if (off != 0 || count != real_size)
231 return -EINVAL;
232
233 mutex_lock(&koneplus->koneplus_lock);
234 retval = koneplus_send(usb_dev, command, buf, real_size);
235 mutex_unlock(&koneplus->koneplus_lock);
236
237 if (retval)
238 return retval;
239
240 return real_size;
241}
242
243static ssize_t koneplus_sysfs_write_macro(struct file *fp,
244 struct kobject *kobj, struct bin_attribute *attr, char *buf,
245 loff_t off, size_t count)
246{
247 return koneplus_sysfs_write(fp, kobj, buf, off, count,
248 sizeof(struct koneplus_macro), KONEPLUS_USB_COMMAND_MACRO);
249}
250
251static ssize_t koneplus_sysfs_read_sensor(struct file *fp,
252 struct kobject *kobj, struct bin_attribute *attr, char *buf,
253 loff_t off, size_t count)
254{
255 return koneplus_sysfs_read(fp, kobj, buf, off, count,
256 sizeof(struct koneplus_sensor), KONEPLUS_USB_COMMAND_SENSOR);
257}
258
259static ssize_t koneplus_sysfs_write_sensor(struct file *fp,
260 struct kobject *kobj, struct bin_attribute *attr, char *buf,
261 loff_t off, size_t count)
262{
263 return koneplus_sysfs_write(fp, kobj, buf, off, count,
264 sizeof(struct koneplus_sensor), KONEPLUS_USB_COMMAND_SENSOR);
265}
266
267static ssize_t koneplus_sysfs_write_tcu(struct file *fp,
268 struct kobject *kobj, struct bin_attribute *attr, char *buf,
269 loff_t off, size_t count)
270{
271 return koneplus_sysfs_write(fp, kobj, buf, off, count,
272 sizeof(struct koneplus_tcu), KONEPLUS_USB_COMMAND_TCU);
273}
274
275static ssize_t koneplus_sysfs_read_tcu_image(struct file *fp,
276 struct kobject *kobj, struct bin_attribute *attr, char *buf,
277 loff_t off, size_t count)
278{
279 return koneplus_sysfs_read(fp, kobj, buf, off, count,
280 sizeof(struct koneplus_tcu_image), KONEPLUS_USB_COMMAND_TCU);
281}
282
283static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp,
284 struct kobject *kobj, struct bin_attribute *attr, char *buf,
285 loff_t off, size_t count)
286{
287 struct device *dev =
288 container_of(kobj, struct device, kobj)->parent->parent;
289 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
290
291 if (off >= sizeof(struct koneplus_profile_settings))
292 return 0;
293
294 if (off + count > sizeof(struct koneplus_profile_settings))
295 count = sizeof(struct koneplus_profile_settings) - off;
296
297 mutex_lock(&koneplus->koneplus_lock);
298 memcpy(buf, ((char const *)&koneplus->profile_settings[*(uint *)(attr->private)]) + off,
299 count);
300 mutex_unlock(&koneplus->koneplus_lock);
301
302 return count;
303}
304
305static ssize_t koneplus_sysfs_write_profile_settings(struct file *fp,
306 struct kobject *kobj, struct bin_attribute *attr, char *buf,
307 loff_t off, size_t count)
308{
309 struct device *dev =
310 container_of(kobj, struct device, kobj)->parent->parent;
311 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
312 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
313 int retval = 0;
314 int difference;
315 int profile_number;
316 struct koneplus_profile_settings *profile_settings;
317
318 if (off != 0 || count != sizeof(struct koneplus_profile_settings))
319 return -EINVAL;
320
321 profile_number = ((struct koneplus_profile_settings const *)buf)->number;
322 profile_settings = &koneplus->profile_settings[profile_number];
323
324 mutex_lock(&koneplus->koneplus_lock);
325 difference = memcmp(buf, profile_settings,
326 sizeof(struct koneplus_profile_settings));
327 if (difference) {
328 retval = koneplus_set_profile_settings(usb_dev,
329 (struct koneplus_profile_settings const *)buf);
330 if (!retval)
331 memcpy(profile_settings, buf,
332 sizeof(struct koneplus_profile_settings));
333 }
334 mutex_unlock(&koneplus->koneplus_lock);
335
336 if (retval)
337 return retval;
338
339 return sizeof(struct koneplus_profile_settings);
340}
341
342static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp,
343 struct kobject *kobj, struct bin_attribute *attr, char *buf,
344 loff_t off, size_t count)
345{
346 struct device *dev =
347 container_of(kobj, struct device, kobj)->parent->parent;
348 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
349
350 if (off >= sizeof(struct koneplus_profile_buttons))
351 return 0;
352
353 if (off + count > sizeof(struct koneplus_profile_buttons))
354 count = sizeof(struct koneplus_profile_buttons) - off;
355
356 mutex_lock(&koneplus->koneplus_lock);
357 memcpy(buf, ((char const *)&koneplus->profile_buttons[*(uint *)(attr->private)]) + off,
358 count);
359 mutex_unlock(&koneplus->koneplus_lock);
360
361 return count;
362}
363
364static ssize_t koneplus_sysfs_write_profile_buttons(struct file *fp,
365 struct kobject *kobj, struct bin_attribute *attr, char *buf,
366 loff_t off, size_t count)
367{
368 struct device *dev =
369 container_of(kobj, struct device, kobj)->parent->parent;
370 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
371 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
372 int retval = 0;
373 int difference;
374 uint profile_number;
375 struct koneplus_profile_buttons *profile_buttons;
376
377 if (off != 0 || count != sizeof(struct koneplus_profile_buttons))
378 return -EINVAL;
379
380 profile_number = ((struct koneplus_profile_buttons const *)buf)->number;
381 profile_buttons = &koneplus->profile_buttons[profile_number];
382
383 mutex_lock(&koneplus->koneplus_lock);
384 difference = memcmp(buf, profile_buttons,
385 sizeof(struct koneplus_profile_buttons));
386 if (difference) {
387 retval = koneplus_set_profile_buttons(usb_dev,
388 (struct koneplus_profile_buttons const *)buf);
389 if (!retval)
390 memcpy(profile_buttons, buf,
391 sizeof(struct koneplus_profile_buttons));
392 }
393 mutex_unlock(&koneplus->koneplus_lock);
394
395 if (retval)
396 return retval;
397
398 return sizeof(struct koneplus_profile_buttons);
399}
400
401static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev,
402 struct device_attribute *attr, char *buf)
403{
404 struct koneplus_device *koneplus =
405 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
406 return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->actual_profile);
407}
408
409static ssize_t koneplus_sysfs_set_actual_profile(struct device *dev,
410 struct device_attribute *attr, char const *buf, size_t size)
411{
412 struct koneplus_device *koneplus;
413 struct usb_device *usb_dev;
414 unsigned long profile;
415 int retval;
416 struct koneplus_roccat_report roccat_report;
417
418 dev = dev->parent->parent;
419 koneplus = hid_get_drvdata(dev_get_drvdata(dev));
420 usb_dev = interface_to_usbdev(to_usb_interface(dev));
421
422 retval = strict_strtoul(buf, 10, &profile);
423 if (retval)
424 return retval;
425
426 mutex_lock(&koneplus->koneplus_lock);
427
428 retval = koneplus_set_actual_profile(usb_dev, profile);
429 if (retval) {
430 mutex_unlock(&koneplus->koneplus_lock);
431 return retval;
432 }
433
434 koneplus->actual_profile = profile;
435
436 roccat_report.type = KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE;
437 roccat_report.data1 = profile + 1;
438 roccat_report.data2 = 0;
439 roccat_report.profile = profile + 1;
440 roccat_report_event(koneplus->chrdev_minor,
441 (uint8_t const *)&roccat_report);
442
443 mutex_unlock(&koneplus->koneplus_lock);
444
445 return size;
446}
447
448static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev,
449 struct device_attribute *attr, char *buf)
450{
451 struct koneplus_device *koneplus =
452 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
453 return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->info.firmware_version);
454}
455
456static struct device_attribute koneplus_attributes[] = {
457 __ATTR(actual_profile, 0660,
458 koneplus_sysfs_show_actual_profile,
459 koneplus_sysfs_set_actual_profile),
460 __ATTR(startup_profile, 0660,
461 koneplus_sysfs_show_actual_profile,
462 koneplus_sysfs_set_actual_profile),
463 __ATTR(firmware_version, 0440,
464 koneplus_sysfs_show_firmware_version, NULL),
465 __ATTR_NULL
466};
467
468static struct bin_attribute koneplus_bin_attributes[] = {
469 {
470 .attr = { .name = "sensor", .mode = 0660 },
471 .size = sizeof(struct koneplus_sensor),
472 .read = koneplus_sysfs_read_sensor,
473 .write = koneplus_sysfs_write_sensor
474 },
475 {
476 .attr = { .name = "tcu", .mode = 0220 },
477 .size = sizeof(struct koneplus_tcu),
478 .write = koneplus_sysfs_write_tcu
479 },
480 {
481 .attr = { .name = "tcu_image", .mode = 0440 },
482 .size = sizeof(struct koneplus_tcu_image),
483 .read = koneplus_sysfs_read_tcu_image
484 },
485 {
486 .attr = { .name = "profile_settings", .mode = 0220 },
487 .size = sizeof(struct koneplus_profile_settings),
488 .write = koneplus_sysfs_write_profile_settings
489 },
490 {
491 .attr = { .name = "profile1_settings", .mode = 0440 },
492 .size = sizeof(struct koneplus_profile_settings),
493 .read = koneplus_sysfs_read_profilex_settings,
494 .private = &profile_numbers[0]
495 },
496 {
497 .attr = { .name = "profile2_settings", .mode = 0440 },
498 .size = sizeof(struct koneplus_profile_settings),
499 .read = koneplus_sysfs_read_profilex_settings,
500 .private = &profile_numbers[1]
501 },
502 {
503 .attr = { .name = "profile3_settings", .mode = 0440 },
504 .size = sizeof(struct koneplus_profile_settings),
505 .read = koneplus_sysfs_read_profilex_settings,
506 .private = &profile_numbers[2]
507 },
508 {
509 .attr = { .name = "profile4_settings", .mode = 0440 },
510 .size = sizeof(struct koneplus_profile_settings),
511 .read = koneplus_sysfs_read_profilex_settings,
512 .private = &profile_numbers[3]
513 },
514 {
515 .attr = { .name = "profile5_settings", .mode = 0440 },
516 .size = sizeof(struct koneplus_profile_settings),
517 .read = koneplus_sysfs_read_profilex_settings,
518 .private = &profile_numbers[4]
519 },
520 {
521 .attr = { .name = "profile_buttons", .mode = 0220 },
522 .size = sizeof(struct koneplus_profile_buttons),
523 .write = koneplus_sysfs_write_profile_buttons
524 },
525 {
526 .attr = { .name = "profile1_buttons", .mode = 0440 },
527 .size = sizeof(struct koneplus_profile_buttons),
528 .read = koneplus_sysfs_read_profilex_buttons,
529 .private = &profile_numbers[0]
530 },
531 {
532 .attr = { .name = "profile2_buttons", .mode = 0440 },
533 .size = sizeof(struct koneplus_profile_buttons),
534 .read = koneplus_sysfs_read_profilex_buttons,
535 .private = &profile_numbers[1]
536 },
537 {
538 .attr = { .name = "profile3_buttons", .mode = 0440 },
539 .size = sizeof(struct koneplus_profile_buttons),
540 .read = koneplus_sysfs_read_profilex_buttons,
541 .private = &profile_numbers[2]
542 },
543 {
544 .attr = { .name = "profile4_buttons", .mode = 0440 },
545 .size = sizeof(struct koneplus_profile_buttons),
546 .read = koneplus_sysfs_read_profilex_buttons,
547 .private = &profile_numbers[3]
548 },
549 {
550 .attr = { .name = "profile5_buttons", .mode = 0440 },
551 .size = sizeof(struct koneplus_profile_buttons),
552 .read = koneplus_sysfs_read_profilex_buttons,
553 .private = &profile_numbers[4]
554 },
555 {
556 .attr = { .name = "macro", .mode = 0220 },
557 .size = sizeof(struct koneplus_macro),
558 .write = koneplus_sysfs_write_macro
559 },
560 __ATTR_NULL
561};
562
563static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev,
564 struct koneplus_device *koneplus)
565{
566 int retval, i;
567 static uint wait = 200;
568
569 mutex_init(&koneplus->koneplus_lock);
570
571 retval = koneplus_get_info(usb_dev, &koneplus->info);
572 if (retval)
573 return retval;
574
575 for (i = 0; i < 5; ++i) {
576 msleep(wait);
577 retval = koneplus_get_profile_settings(usb_dev,
578 &koneplus->profile_settings[i], i);
579 if (retval)
580 return retval;
581
582 msleep(wait);
583 retval = koneplus_get_profile_buttons(usb_dev,
584 &koneplus->profile_buttons[i], i);
585 if (retval)
586 return retval;
587 }
588
589 msleep(wait);
590 retval = koneplus_get_actual_profile(usb_dev);
591 if (retval < 0)
592 return retval;
593 koneplus_profile_activated(koneplus, retval);
594
595 return 0;
596}
597
598static int koneplus_init_specials(struct hid_device *hdev)
599{
600 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
601 struct usb_device *usb_dev = interface_to_usbdev(intf);
602 struct koneplus_device *koneplus;
603 int retval;
604
605 if (intf->cur_altsetting->desc.bInterfaceProtocol
606 == USB_INTERFACE_PROTOCOL_MOUSE) {
607
608 koneplus = kzalloc(sizeof(*koneplus), GFP_KERNEL);
609 if (!koneplus) {
610 hid_err(hdev, "can't alloc device descriptor\n");
611 return -ENOMEM;
612 }
613 hid_set_drvdata(hdev, koneplus);
614
615 retval = koneplus_init_koneplus_device_struct(usb_dev, koneplus);
616 if (retval) {
617 hid_err(hdev, "couldn't init struct koneplus_device\n");
618 goto exit_free;
619 }
620
621 retval = roccat_connect(koneplus_class, hdev,
622 sizeof(struct koneplus_roccat_report));
623 if (retval < 0) {
624 hid_err(hdev, "couldn't init char dev\n");
625 } else {
626 koneplus->chrdev_minor = retval;
627 koneplus->roccat_claimed = 1;
628 }
629 } else {
630 hid_set_drvdata(hdev, NULL);
631 }
632
633 return 0;
634exit_free:
635 kfree(koneplus);
636 return retval;
637}
638
639static void koneplus_remove_specials(struct hid_device *hdev)
640{
641 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
642 struct koneplus_device *koneplus;
643
644 if (intf->cur_altsetting->desc.bInterfaceProtocol
645 == USB_INTERFACE_PROTOCOL_MOUSE) {
646 koneplus = hid_get_drvdata(hdev);
647 if (koneplus->roccat_claimed)
648 roccat_disconnect(koneplus->chrdev_minor);
649 kfree(koneplus);
650 }
651}
652
653static int koneplus_probe(struct hid_device *hdev,
654 const struct hid_device_id *id)
655{
656 int retval;
657
658 retval = hid_parse(hdev);
659 if (retval) {
660 hid_err(hdev, "parse failed\n");
661 goto exit;
662 }
663
664 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
665 if (retval) {
666 hid_err(hdev, "hw start failed\n");
667 goto exit;
668 }
669
670 retval = koneplus_init_specials(hdev);
671 if (retval) {
672 hid_err(hdev, "couldn't install mouse\n");
673 goto exit_stop;
674 }
675
676 return 0;
677
678exit_stop:
679 hid_hw_stop(hdev);
680exit:
681 return retval;
682}
683
684static void koneplus_remove(struct hid_device *hdev)
685{
686 koneplus_remove_specials(hdev);
687 hid_hw_stop(hdev);
688}
689
690static void koneplus_keep_values_up_to_date(struct koneplus_device *koneplus,
691 u8 const *data)
692{
693 struct koneplus_mouse_report_button const *button_report;
694
695 switch (data[0]) {
696 case KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON:
697 button_report = (struct koneplus_mouse_report_button const *)data;
698 switch (button_report->type) {
699 case KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE:
700 koneplus_profile_activated(koneplus, button_report->data1 - 1);
701 break;
702 }
703 break;
704 }
705}
706
707static void koneplus_report_to_chrdev(struct koneplus_device const *koneplus,
708 u8 const *data)
709{
710 struct koneplus_roccat_report roccat_report;
711 struct koneplus_mouse_report_button const *button_report;
712
713 if (data[0] != KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON)
714 return;
715
716 button_report = (struct koneplus_mouse_report_button const *)data;
717
718 if ((button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH ||
719 button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) &&
720 button_report->data2 != KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS)
721 return;
722
723 roccat_report.type = button_report->type;
724 roccat_report.data1 = button_report->data1;
725 roccat_report.data2 = button_report->data2;
726 roccat_report.profile = koneplus->actual_profile + 1;
727 roccat_report_event(koneplus->chrdev_minor,
728 (uint8_t const *)&roccat_report);
729}
730
731static int koneplus_raw_event(struct hid_device *hdev,
732 struct hid_report *report, u8 *data, int size)
733{
734 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
735 struct koneplus_device *koneplus = hid_get_drvdata(hdev);
736
737 if (intf->cur_altsetting->desc.bInterfaceProtocol
738 != USB_INTERFACE_PROTOCOL_MOUSE)
739 return 0;
740
741 koneplus_keep_values_up_to_date(koneplus, data);
742
743 if (koneplus->roccat_claimed)
744 koneplus_report_to_chrdev(koneplus, data);
745
746 return 0;
747}
748
749static const struct hid_device_id koneplus_devices[] = {
750 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
751 { }
752};
753
754MODULE_DEVICE_TABLE(hid, koneplus_devices);
755
756static struct hid_driver koneplus_driver = {
757 .name = "koneplus",
758 .id_table = koneplus_devices,
759 .probe = koneplus_probe,
760 .remove = koneplus_remove,
761 .raw_event = koneplus_raw_event
762};
763
764static int __init koneplus_init(void)
765{
766 int retval;
767
768 /* class name has to be same as driver name */
769 koneplus_class = class_create(THIS_MODULE, "koneplus");
770 if (IS_ERR(koneplus_class))
771 return PTR_ERR(koneplus_class);
772 koneplus_class->dev_attrs = koneplus_attributes;
773 koneplus_class->dev_bin_attrs = koneplus_bin_attributes;
774
775 retval = hid_register_driver(&koneplus_driver);
776 if (retval)
777 class_destroy(koneplus_class);
778 return retval;
779}
780
781static void __exit koneplus_exit(void)
782{
783 hid_unregister_driver(&koneplus_driver);
784 class_destroy(koneplus_class);
785}
786
787module_init(koneplus_init);
788module_exit(koneplus_exit);
789
790MODULE_AUTHOR("Stefan Achatz");
791MODULE_DESCRIPTION("USB Roccat Kone[+] driver");
792MODULE_LICENSE("GPL v2");