aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/hid/hid-roccat-koneplus.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hid/hid-roccat-koneplus.c')
-rw-r--r--drivers/hid/hid-roccat-koneplus.c837
1 files changed, 837 insertions, 0 deletions
diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c
new file mode 100644
index 000000000000..1608c8d1efd6
--- /dev/null
+++ b/drivers/hid/hid-roccat-koneplus.c
@@ -0,0 +1,837 @@
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/usb.h>
23#include <linux/module.h>
24#include <linux/slab.h>
25#include "hid-ids.h"
26#include "hid-roccat.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 int len;
43 struct koneplus_control *control;
44
45 if ((request == KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS ||
46 request == KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&
47 value > 4)
48 return -EINVAL;
49
50 control = kmalloc(sizeof(struct koneplus_control), GFP_KERNEL);
51 if (!control)
52 return -ENOMEM;
53
54 control->command = KONEPLUS_COMMAND_CONTROL;
55 control->value = value;
56 control->request = request;
57
58 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
59 USB_REQ_SET_CONFIGURATION,
60 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
61 KONEPLUS_USB_COMMAND_CONTROL, 0, control,
62 sizeof(struct koneplus_control),
63 USB_CTRL_SET_TIMEOUT);
64
65 kfree(control);
66
67 if (len != sizeof(struct koneplus_control))
68 return len;
69
70 return 0;
71}
72
73static int koneplus_receive(struct usb_device *usb_dev, uint usb_command,
74 void *buf, uint size) {
75 int len;
76
77 len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
78 USB_REQ_CLEAR_FEATURE,
79 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
80 usb_command, 0, buf, size, USB_CTRL_SET_TIMEOUT);
81
82 return (len != size) ? -EIO : 0;
83}
84
85static int koneplus_receive_control_status(struct usb_device *usb_dev)
86{
87 int retval;
88 struct koneplus_control *control;
89
90 control = kmalloc(sizeof(struct koneplus_control), GFP_KERNEL);
91 if (!control)
92 return -ENOMEM;
93
94 do {
95 retval = koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_CONTROL,
96 control, sizeof(struct koneplus_control));
97
98 /* check if we get a completely wrong answer */
99 if (retval)
100 goto out;
101
102 if (control->value == KONEPLUS_CONTROL_REQUEST_STATUS_OK) {
103 retval = 0;
104 goto out;
105 }
106
107 /* indicates that hardware needs some more time to complete action */
108 if (control->value == KONEPLUS_CONTROL_REQUEST_STATUS_WAIT) {
109 msleep(500); /* windows driver uses 1000 */
110 continue;
111 }
112
113 /* seems to be critical - replug necessary */
114 if (control->value == KONEPLUS_CONTROL_REQUEST_STATUS_OVERLOAD) {
115 retval = -EINVAL;
116 goto out;
117 }
118
119 dev_err(&usb_dev->dev, "koneplus_receive_control_status: "
120 "unknown response value 0x%x\n", control->value);
121 retval = -EINVAL;
122 goto out;
123
124 } while (1);
125out:
126 kfree(control);
127 return retval;
128}
129
130static int koneplus_send(struct usb_device *usb_dev, uint command,
131 void *buf, uint size) {
132 int len;
133
134 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
135 USB_REQ_SET_CONFIGURATION,
136 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
137 command, 0, buf, size, USB_CTRL_SET_TIMEOUT);
138
139 if (len != size)
140 return -EIO;
141
142 if (koneplus_receive_control_status(usb_dev))
143 return -EIO;
144
145 return 0;
146}
147
148static int koneplus_select_profile(struct usb_device *usb_dev, uint number,
149 enum koneplus_control_requests request)
150{
151 int retval;
152
153 retval = koneplus_send_control(usb_dev, number, request);
154 if (retval)
155 return retval;
156
157 /* allow time to settle things - windows driver uses 500 */
158 msleep(100);
159
160 retval = koneplus_receive_control_status(usb_dev);
161 if (retval)
162 return retval;
163
164 return 0;
165}
166
167static int koneplus_get_info(struct usb_device *usb_dev,
168 struct koneplus_info *buf)
169{
170 return koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_INFO,
171 buf, sizeof(struct koneplus_info));
172}
173
174static int koneplus_get_profile_settings(struct usb_device *usb_dev,
175 struct koneplus_profile_settings *buf, uint number)
176{
177 int retval;
178
179 retval = koneplus_select_profile(usb_dev, number,
180 KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
181 if (retval)
182 return retval;
183
184 return koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_SETTINGS,
185 buf, sizeof(struct koneplus_profile_settings));
186}
187
188static int koneplus_set_profile_settings(struct usb_device *usb_dev,
189 struct koneplus_profile_settings const *settings)
190{
191 return koneplus_send(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_SETTINGS,
192 (void *)settings, sizeof(struct koneplus_profile_settings));
193}
194
195static int koneplus_get_profile_buttons(struct usb_device *usb_dev,
196 struct koneplus_profile_buttons *buf, int number)
197{
198 int retval;
199
200 retval = koneplus_select_profile(usb_dev, number,
201 KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
202 if (retval)
203 return retval;
204
205 return koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_BUTTONS,
206 buf, sizeof(struct koneplus_profile_buttons));
207}
208
209static int koneplus_set_profile_buttons(struct usb_device *usb_dev,
210 struct koneplus_profile_buttons const *buttons)
211{
212 return koneplus_send(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_BUTTONS,
213 (void *)buttons, sizeof(struct koneplus_profile_buttons));
214}
215
216/* retval is 0-4 on success, < 0 on error */
217static int koneplus_get_startup_profile(struct usb_device *usb_dev)
218{
219 struct koneplus_startup_profile *buf;
220 int retval;
221
222 buf = kmalloc(sizeof(struct koneplus_startup_profile), GFP_KERNEL);
223
224 retval = koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_STARTUP_PROFILE,
225 buf, sizeof(struct koneplus_startup_profile));
226
227 if (retval)
228 goto out;
229
230 retval = buf->startup_profile;
231out:
232 kfree(buf);
233 return retval;
234}
235
236static int koneplus_set_startup_profile(struct usb_device *usb_dev,
237 int startup_profile)
238{
239 struct koneplus_startup_profile buf;
240
241 buf.command = KONEPLUS_COMMAND_STARTUP_PROFILE;
242 buf.size = sizeof(struct koneplus_startup_profile);
243 buf.startup_profile = startup_profile;
244
245 return koneplus_send(usb_dev, KONEPLUS_USB_COMMAND_STARTUP_PROFILE,
246 (char *)&buf, sizeof(struct koneplus_profile_buttons));
247}
248
249static ssize_t koneplus_sysfs_read(struct file *fp, struct kobject *kobj,
250 char *buf, loff_t off, size_t count,
251 size_t real_size, uint command)
252{
253 struct device *dev =
254 container_of(kobj, struct device, kobj)->parent->parent;
255 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
256 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
257 int retval;
258
259 if (off != 0 || count != real_size)
260 return -EINVAL;
261
262 mutex_lock(&koneplus->koneplus_lock);
263 retval = koneplus_receive(usb_dev, command, buf, real_size);
264 mutex_unlock(&koneplus->koneplus_lock);
265
266 if (retval)
267 return retval;
268
269 return real_size;
270}
271
272static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj,
273 void const *buf, loff_t off, size_t count,
274 size_t real_size, uint command)
275{
276 struct device *dev =
277 container_of(kobj, struct device, kobj)->parent->parent;
278 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
279 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
280 int retval;
281
282 if (off != 0 || count != real_size)
283 return -EINVAL;
284
285 mutex_lock(&koneplus->koneplus_lock);
286 retval = koneplus_send(usb_dev, command, (void *)buf, real_size);
287 mutex_unlock(&koneplus->koneplus_lock);
288
289 if (retval)
290 return retval;
291
292 return real_size;
293}
294
295static ssize_t koneplus_sysfs_write_macro(struct file *fp,
296 struct kobject *kobj, struct bin_attribute *attr, char *buf,
297 loff_t off, size_t count)
298{
299 return koneplus_sysfs_write(fp, kobj, buf, off, count,
300 sizeof(struct koneplus_macro), KONEPLUS_USB_COMMAND_MACRO);
301}
302
303static ssize_t koneplus_sysfs_read_sensor(struct file *fp,
304 struct kobject *kobj, struct bin_attribute *attr, char *buf,
305 loff_t off, size_t count)
306{
307 return koneplus_sysfs_read(fp, kobj, buf, off, count,
308 sizeof(struct koneplus_sensor), KONEPLUS_USB_COMMAND_SENSOR);
309}
310
311static ssize_t koneplus_sysfs_write_sensor(struct file *fp,
312 struct kobject *kobj, struct bin_attribute *attr, char *buf,
313 loff_t off, size_t count)
314{
315 return koneplus_sysfs_write(fp, kobj, buf, off, count,
316 sizeof(struct koneplus_sensor), KONEPLUS_USB_COMMAND_SENSOR);
317}
318
319static ssize_t koneplus_sysfs_write_tcu(struct file *fp,
320 struct kobject *kobj, struct bin_attribute *attr, char *buf,
321 loff_t off, size_t count)
322{
323 return koneplus_sysfs_write(fp, kobj, buf, off, count,
324 sizeof(struct koneplus_tcu), KONEPLUS_USB_COMMAND_TCU);
325}
326
327static ssize_t koneplus_sysfs_read_tcu_image(struct file *fp,
328 struct kobject *kobj, struct bin_attribute *attr, char *buf,
329 loff_t off, size_t count)
330{
331 return koneplus_sysfs_read(fp, kobj, buf, off, count,
332 sizeof(struct koneplus_tcu_image), KONEPLUS_USB_COMMAND_TCU);
333}
334
335static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp,
336 struct kobject *kobj, struct bin_attribute *attr, char *buf,
337 loff_t off, size_t count)
338{
339 struct device *dev =
340 container_of(kobj, struct device, kobj)->parent->parent;
341 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
342
343 if (off >= sizeof(struct koneplus_profile_settings))
344 return 0;
345
346 if (off + count > sizeof(struct koneplus_profile_settings))
347 count = sizeof(struct koneplus_profile_settings) - off;
348
349 mutex_lock(&koneplus->koneplus_lock);
350 memcpy(buf, ((void const *)&koneplus->profile_settings[*(uint *)(attr->private)]) + off,
351 count);
352 mutex_unlock(&koneplus->koneplus_lock);
353
354 return count;
355}
356
357static ssize_t koneplus_sysfs_write_profile_settings(struct file *fp,
358 struct kobject *kobj, struct bin_attribute *attr, char *buf,
359 loff_t off, size_t count)
360{
361 struct device *dev =
362 container_of(kobj, struct device, kobj)->parent->parent;
363 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
364 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
365 int retval = 0;
366 int difference;
367 int profile_number;
368 struct koneplus_profile_settings *profile_settings;
369
370 if (off != 0 || count != sizeof(struct koneplus_profile_settings))
371 return -EINVAL;
372
373 profile_number = ((struct koneplus_profile_settings const *)buf)->number;
374 profile_settings = &koneplus->profile_settings[profile_number];
375
376 mutex_lock(&koneplus->koneplus_lock);
377 difference = memcmp(buf, profile_settings,
378 sizeof(struct koneplus_profile_settings));
379 if (difference) {
380 retval = koneplus_set_profile_settings(usb_dev,
381 (struct koneplus_profile_settings const *)buf);
382 if (!retval)
383 memcpy(profile_settings, buf,
384 sizeof(struct koneplus_profile_settings));
385 }
386 mutex_unlock(&koneplus->koneplus_lock);
387
388 if (retval)
389 return retval;
390
391 return sizeof(struct koneplus_profile_settings);
392}
393
394static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp,
395 struct kobject *kobj, struct bin_attribute *attr, char *buf,
396 loff_t off, size_t count)
397{
398 struct device *dev =
399 container_of(kobj, struct device, kobj)->parent->parent;
400 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
401
402 if (off >= sizeof(struct koneplus_profile_buttons))
403 return 0;
404
405 if (off + count > sizeof(struct koneplus_profile_buttons))
406 count = sizeof(struct koneplus_profile_buttons) - off;
407
408 mutex_lock(&koneplus->koneplus_lock);
409 memcpy(buf, ((void const *)&koneplus->profile_buttons[*(uint *)(attr->private)]) + off,
410 count);
411 mutex_unlock(&koneplus->koneplus_lock);
412
413 return count;
414}
415
416static ssize_t koneplus_sysfs_write_profile_buttons(struct file *fp,
417 struct kobject *kobj, struct bin_attribute *attr, char *buf,
418 loff_t off, size_t count)
419{
420 struct device *dev =
421 container_of(kobj, struct device, kobj)->parent->parent;
422 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
423 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
424 int retval = 0;
425 int difference;
426 uint profile_number;
427 struct koneplus_profile_buttons *profile_buttons;
428
429 if (off != 0 || count != sizeof(struct koneplus_profile_buttons))
430 return -EINVAL;
431
432 profile_number = ((struct koneplus_profile_buttons const *)buf)->number;
433 profile_buttons = &koneplus->profile_buttons[profile_number];
434
435 mutex_lock(&koneplus->koneplus_lock);
436 difference = memcmp(buf, profile_buttons,
437 sizeof(struct koneplus_profile_buttons));
438 if (difference) {
439 retval = koneplus_set_profile_buttons(usb_dev,
440 (struct koneplus_profile_buttons const *)buf);
441 if (!retval)
442 memcpy(profile_buttons, buf,
443 sizeof(struct koneplus_profile_buttons));
444 }
445 mutex_unlock(&koneplus->koneplus_lock);
446
447 if (retval)
448 return retval;
449
450 return sizeof(struct koneplus_profile_buttons);
451}
452
453static ssize_t koneplus_sysfs_show_startup_profile(struct device *dev,
454 struct device_attribute *attr, char *buf)
455{
456 struct koneplus_device *koneplus =
457 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
458 return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->startup_profile);
459}
460
461static ssize_t koneplus_sysfs_set_startup_profile(struct device *dev,
462 struct device_attribute *attr, char const *buf, size_t size)
463{
464 struct koneplus_device *koneplus;
465 struct usb_device *usb_dev;
466 unsigned long profile;
467 int retval;
468
469 dev = dev->parent->parent;
470 koneplus = hid_get_drvdata(dev_get_drvdata(dev));
471 usb_dev = interface_to_usbdev(to_usb_interface(dev));
472
473 retval = strict_strtoul(buf, 10, &profile);
474 if (retval)
475 return retval;
476
477 mutex_lock(&koneplus->koneplus_lock);
478 retval = koneplus_set_startup_profile(usb_dev, profile);
479 mutex_unlock(&koneplus->koneplus_lock);
480 if (retval)
481 return retval;
482
483 return size;
484}
485
486static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev,
487 struct device_attribute *attr, char *buf)
488{
489 struct koneplus_device *koneplus =
490 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
491 return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->actual_profile);
492}
493
494static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev,
495 struct device_attribute *attr, char *buf)
496{
497 struct koneplus_device *koneplus =
498 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
499 return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->info.firmware_version);
500}
501
502static struct device_attribute koneplus_attributes[] = {
503 __ATTR(startup_profile, 0660,
504 koneplus_sysfs_show_startup_profile,
505 koneplus_sysfs_set_startup_profile),
506 __ATTR(actual_profile, 0440,
507 koneplus_sysfs_show_actual_profile, NULL),
508 __ATTR(firmware_version, 0440,
509 koneplus_sysfs_show_firmware_version, NULL),
510 __ATTR_NULL
511};
512
513static struct bin_attribute koneplus_bin_attributes[] = {
514 {
515 .attr = { .name = "sensor", .mode = 0220 },
516 .size = sizeof(struct koneplus_sensor),
517 .read = koneplus_sysfs_read_sensor,
518 .write = koneplus_sysfs_write_sensor
519 },
520 {
521 .attr = { .name = "tcu", .mode = 0220 },
522 .size = sizeof(struct koneplus_tcu),
523 .write = koneplus_sysfs_write_tcu
524 },
525 {
526 .attr = { .name = "tcu_image", .mode = 0440 },
527 .size = sizeof(struct koneplus_tcu_image),
528 .read = koneplus_sysfs_read_tcu_image
529 },
530 {
531 .attr = { .name = "profile_settings", .mode = 0220 },
532 .size = sizeof(struct koneplus_profile_settings),
533 .write = koneplus_sysfs_write_profile_settings
534 },
535 {
536 .attr = { .name = "profile1_settings", .mode = 0440 },
537 .size = sizeof(struct koneplus_profile_settings),
538 .read = koneplus_sysfs_read_profilex_settings,
539 .private = &profile_numbers[0]
540 },
541 {
542 .attr = { .name = "profile2_settings", .mode = 0440 },
543 .size = sizeof(struct koneplus_profile_settings),
544 .read = koneplus_sysfs_read_profilex_settings,
545 .private = &profile_numbers[1]
546 },
547 {
548 .attr = { .name = "profile3_settings", .mode = 0440 },
549 .size = sizeof(struct koneplus_profile_settings),
550 .read = koneplus_sysfs_read_profilex_settings,
551 .private = &profile_numbers[2]
552 },
553 {
554 .attr = { .name = "profile4_settings", .mode = 0440 },
555 .size = sizeof(struct koneplus_profile_settings),
556 .read = koneplus_sysfs_read_profilex_settings,
557 .private = &profile_numbers[3]
558 },
559 {
560 .attr = { .name = "profile5_settings", .mode = 0440 },
561 .size = sizeof(struct koneplus_profile_settings),
562 .read = koneplus_sysfs_read_profilex_settings,
563 .private = &profile_numbers[4]
564 },
565 {
566 .attr = { .name = "profile_buttons", .mode = 0220 },
567 .size = sizeof(struct koneplus_profile_buttons),
568 .write = koneplus_sysfs_write_profile_buttons
569 },
570 {
571 .attr = { .name = "profile1_buttons", .mode = 0440 },
572 .size = sizeof(struct koneplus_profile_buttons),
573 .read = koneplus_sysfs_read_profilex_buttons,
574 .private = &profile_numbers[0]
575 },
576 {
577 .attr = { .name = "profile2_buttons", .mode = 0440 },
578 .size = sizeof(struct koneplus_profile_buttons),
579 .read = koneplus_sysfs_read_profilex_buttons,
580 .private = &profile_numbers[1]
581 },
582 {
583 .attr = { .name = "profile3_buttons", .mode = 0440 },
584 .size = sizeof(struct koneplus_profile_buttons),
585 .read = koneplus_sysfs_read_profilex_buttons,
586 .private = &profile_numbers[2]
587 },
588 {
589 .attr = { .name = "profile4_buttons", .mode = 0440 },
590 .size = sizeof(struct koneplus_profile_buttons),
591 .read = koneplus_sysfs_read_profilex_buttons,
592 .private = &profile_numbers[3]
593 },
594 {
595 .attr = { .name = "profile5_buttons", .mode = 0440 },
596 .size = sizeof(struct koneplus_profile_buttons),
597 .read = koneplus_sysfs_read_profilex_buttons,
598 .private = &profile_numbers[4]
599 },
600 {
601 .attr = { .name = "macro", .mode = 0220 },
602 .size = sizeof(struct koneplus_macro),
603 .write = koneplus_sysfs_write_macro
604 },
605 __ATTR_NULL
606};
607
608static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev,
609 struct koneplus_device *koneplus)
610{
611 int retval, i;
612 static uint wait = 70; /* device will freeze with just 60 */
613
614 mutex_init(&koneplus->koneplus_lock);
615
616 koneplus->startup_profile = koneplus_get_startup_profile(usb_dev);
617
618 msleep(wait);
619 retval = koneplus_get_info(usb_dev, &koneplus->info);
620 if (retval)
621 return retval;
622
623 for (i = 0; i < 5; ++i) {
624 msleep(wait);
625 retval = koneplus_get_profile_settings(usb_dev,
626 &koneplus->profile_settings[i], i);
627 if (retval)
628 return retval;
629
630 msleep(wait);
631 retval = koneplus_get_profile_buttons(usb_dev,
632 &koneplus->profile_buttons[i], i);
633 if (retval)
634 return retval;
635 }
636
637 koneplus_profile_activated(koneplus, koneplus->startup_profile);
638
639 return 0;
640}
641
642static int koneplus_init_specials(struct hid_device *hdev)
643{
644 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
645 struct usb_device *usb_dev = interface_to_usbdev(intf);
646 struct koneplus_device *koneplus;
647 int retval;
648
649 if (intf->cur_altsetting->desc.bInterfaceProtocol
650 == USB_INTERFACE_PROTOCOL_MOUSE) {
651
652 koneplus = kzalloc(sizeof(*koneplus), GFP_KERNEL);
653 if (!koneplus) {
654 dev_err(&hdev->dev, "can't alloc device descriptor\n");
655 return -ENOMEM;
656 }
657 hid_set_drvdata(hdev, koneplus);
658
659 retval = koneplus_init_koneplus_device_struct(usb_dev, koneplus);
660 if (retval) {
661 dev_err(&hdev->dev,
662 "couldn't init struct koneplus_device\n");
663 goto exit_free;
664 }
665
666 retval = roccat_connect(koneplus_class, hdev);
667 if (retval < 0) {
668 dev_err(&hdev->dev, "couldn't init char dev\n");
669 } else {
670 koneplus->chrdev_minor = retval;
671 koneplus->roccat_claimed = 1;
672 }
673 } else {
674 hid_set_drvdata(hdev, NULL);
675 }
676
677 return 0;
678exit_free:
679 kfree(koneplus);
680 return retval;
681}
682
683static void koneplus_remove_specials(struct hid_device *hdev)
684{
685 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
686 struct koneplus_device *koneplus;
687
688 if (intf->cur_altsetting->desc.bInterfaceProtocol
689 == USB_INTERFACE_PROTOCOL_MOUSE) {
690 koneplus = hid_get_drvdata(hdev);
691 if (koneplus->roccat_claimed)
692 roccat_disconnect(koneplus->chrdev_minor);
693 kfree(koneplus);
694 }
695}
696
697static int koneplus_probe(struct hid_device *hdev,
698 const struct hid_device_id *id)
699{
700 int retval;
701
702 retval = hid_parse(hdev);
703 if (retval) {
704 dev_err(&hdev->dev, "parse failed\n");
705 goto exit;
706 }
707
708 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
709 if (retval) {
710 dev_err(&hdev->dev, "hw start failed\n");
711 goto exit;
712 }
713
714 retval = koneplus_init_specials(hdev);
715 if (retval) {
716 dev_err(&hdev->dev, "couldn't install mouse\n");
717 goto exit_stop;
718 }
719
720 return 0;
721
722exit_stop:
723 hid_hw_stop(hdev);
724exit:
725 return retval;
726}
727
728static void koneplus_remove(struct hid_device *hdev)
729{
730 koneplus_remove_specials(hdev);
731 hid_hw_stop(hdev);
732}
733
734static void koneplus_keep_values_up_to_date(struct koneplus_device *koneplus,
735 u8 const *data)
736{
737 struct koneplus_mouse_report_button const *button_report;
738
739 switch (data[0]) {
740 case KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON:
741 button_report = (struct koneplus_mouse_report_button const *)data;
742 switch (button_report->type) {
743 case KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE:
744 koneplus_profile_activated(koneplus, button_report->data1 - 1);
745 break;
746 }
747 break;
748 }
749}
750
751static void koneplus_report_to_chrdev(struct koneplus_device const *koneplus,
752 u8 const *data)
753{
754 struct koneplus_roccat_report roccat_report;
755 struct koneplus_mouse_report_button const *button_report;
756
757 if (data[0] != KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON)
758 return;
759
760 button_report = (struct koneplus_mouse_report_button const *)data;
761
762 if ((button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH ||
763 button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) &&
764 button_report->data2 != KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS)
765 return;
766
767 roccat_report.type = button_report->type;
768 roccat_report.data1 = button_report->data1;
769 roccat_report.data2 = button_report->data2;
770 roccat_report.profile = koneplus->actual_profile + 1;
771 roccat_report_event(koneplus->chrdev_minor,
772 (uint8_t const *)&roccat_report,
773 sizeof(struct koneplus_roccat_report));
774}
775
776static int koneplus_raw_event(struct hid_device *hdev,
777 struct hid_report *report, u8 *data, int size)
778{
779 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
780 struct koneplus_device *koneplus = hid_get_drvdata(hdev);
781
782 if (intf->cur_altsetting->desc.bInterfaceProtocol
783 != USB_INTERFACE_PROTOCOL_MOUSE)
784 return 0;
785
786 koneplus_keep_values_up_to_date(koneplus, data);
787
788 if (koneplus->roccat_claimed)
789 koneplus_report_to_chrdev(koneplus, data);
790
791 return 0;
792}
793
794static const struct hid_device_id koneplus_devices[] = {
795 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
796 { }
797};
798
799MODULE_DEVICE_TABLE(hid, koneplus_devices);
800
801static struct hid_driver koneplus_driver = {
802 .name = "koneplus",
803 .id_table = koneplus_devices,
804 .probe = koneplus_probe,
805 .remove = koneplus_remove,
806 .raw_event = koneplus_raw_event
807};
808
809static int __init koneplus_init(void)
810{
811 int retval;
812
813 /* class name has to be same as driver name */
814 koneplus_class = class_create(THIS_MODULE, "koneplus");
815 if (IS_ERR(koneplus_class))
816 return PTR_ERR(koneplus_class);
817 koneplus_class->dev_attrs = koneplus_attributes;
818 koneplus_class->dev_bin_attrs = koneplus_bin_attributes;
819
820 retval = hid_register_driver(&koneplus_driver);
821 if (retval)
822 class_destroy(koneplus_class);
823 return retval;
824}
825
826static void __exit koneplus_exit(void)
827{
828 class_destroy(koneplus_class);
829 hid_unregister_driver(&koneplus_driver);
830}
831
832module_init(koneplus_init);
833module_exit(koneplus_exit);
834
835MODULE_AUTHOR("Stefan Achatz");
836MODULE_DESCRIPTION("USB Roccat Kone[+] driver");
837MODULE_LICENSE("GPL v2");
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-29 18:27:58 -0500