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Merge branch 'drm-core-next' of git://people.freedesktop.org/~airlied/linux
[linux.git] / drivers / hid / hid-roccat-kovaplus.c
CommitLineData
0e70f97f
SA		 1/*
2 * Roccat Kova[+] driver for Linux
3 *
4 * Copyright (c) 2011 Stefan Achatz <[email protected]>
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 Kova[+] is a bigger version of the Pyra with two more side buttons.
16 */
17
18#include <linux/device.h>
19#include <linux/input.h>
20#include <linux/hid.h>
21#include <linux/module.h>
22#include <linux/slab.h>
5dc0c983 23#include <linux/hid-roccat.h>
0e70f97f 24#include "hid-ids.h"
0e70f97f
SA		 25#include "hid-roccat-common.h"
26#include "hid-roccat-kovaplus.h"
27
28static uint profile_numbers[5] = {0, 1, 2, 3, 4};
29
30static struct class *kovaplus_class;
31
32static uint kovaplus_convert_event_cpi(uint value)
33{
34 return (value == 7 ? 4 : (value == 4 ? 3 : value));
35}
36
37static void kovaplus_profile_activated(struct kovaplus_device *kovaplus,
38 uint new_profile_index)
39{
40 kovaplus->actual_profile = new_profile_index;
41 kovaplus->actual_cpi = kovaplus->profile_settings[new_profile_index].cpi_startup_level;
42 kovaplus->actual_x_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_x;
43 kovaplus->actual_y_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_y;
44}
45
46static int kovaplus_send_control(struct usb_device *usb_dev, uint value,
47 enum kovaplus_control_requests request)
48{
49 int retval;
50 struct kovaplus_control control;
51
52 if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS ||
53 request == KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&
54 value > 4)
55 return -EINVAL;
56
57 control.command = KOVAPLUS_COMMAND_CONTROL;
58 control.value = value;
59 control.request = request;
60
1edd5b42 61 retval = roccat_common_send(usb_dev, KOVAPLUS_COMMAND_CONTROL,
0e70f97f
SA		 62 &control, sizeof(struct kovaplus_control));
63
64 return retval;
65}
66
67static int kovaplus_receive_control_status(struct usb_device *usb_dev)
68{
69 int retval;
70 struct kovaplus_control control;
71
72 do {
1edd5b42 73 retval = roccat_common_receive(usb_dev, KOVAPLUS_COMMAND_CONTROL,
0e70f97f
SA		 74 &control, sizeof(struct kovaplus_control));
75
76 /* check if we get a completely wrong answer */
77 if (retval)
78 return retval;
79
80 if (control.value == KOVAPLUS_CONTROL_REQUEST_STATUS_OK)
81 return 0;
82
83 /* indicates that hardware needs some more time to complete action */
84 if (control.value == KOVAPLUS_CONTROL_REQUEST_STATUS_WAIT) {
85 msleep(500); /* windows driver uses 1000 */
86 continue;
87 }
88
89 /* seems to be critical - replug necessary */
90 if (control.value == KOVAPLUS_CONTROL_REQUEST_STATUS_OVERLOAD)
91 return -EINVAL;
92
1edd5b42 93 hid_err(usb_dev, "roccat_common_receive_control_status: "
0e70f97f
SA		 94 "unknown response value 0x%x\n", control.value);
95 return -EINVAL;
96 } while (1);
97}
98
99static int kovaplus_send(struct usb_device *usb_dev, uint command,
100 void const *buf, uint size)
101{
102 int retval;
103
104 retval = roccat_common_send(usb_dev, command, buf, size);
105 if (retval)
106 return retval;
107
108 msleep(100);
109
110 return kovaplus_receive_control_status(usb_dev);
111}
112
113static int kovaplus_select_profile(struct usb_device *usb_dev, uint number,
114 enum kovaplus_control_requests request)
115{
116 return kovaplus_send_control(usb_dev, number, request);
117}
118
119static int kovaplus_get_info(struct usb_device *usb_dev,
120 struct kovaplus_info *buf)
121{
1edd5b42 122 return roccat_common_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
0e70f97f
SA		 123 buf, sizeof(struct kovaplus_info));
124}
125
126static int kovaplus_get_profile_settings(struct usb_device *usb_dev,
127 struct kovaplus_profile_settings *buf, uint number)
128{
129 int retval;
130
131 retval = kovaplus_select_profile(usb_dev, number,
132 KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
133 if (retval)
134 return retval;
135
1edd5b42 136 return roccat_common_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS,
0e70f97f
SA		 137 buf, sizeof(struct kovaplus_profile_settings));
138}
139
140static int kovaplus_set_profile_settings(struct usb_device *usb_dev,
141 struct kovaplus_profile_settings const *settings)
142{
1edd5b42 143 return kovaplus_send(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS,
0e70f97f
SA		 144 settings, sizeof(struct kovaplus_profile_settings));
145}
146
147static int kovaplus_get_profile_buttons(struct usb_device *usb_dev,
148 struct kovaplus_profile_buttons *buf, int number)
149{
150 int retval;
151
152 retval = kovaplus_select_profile(usb_dev, number,
153 KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
154 if (retval)
155 return retval;
156
1edd5b42 157 return roccat_common_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS,
0e70f97f
SA		 158 buf, sizeof(struct kovaplus_profile_buttons));
159}
160
161static int kovaplus_set_profile_buttons(struct usb_device *usb_dev,
162 struct kovaplus_profile_buttons const *buttons)
163{
1edd5b42 164 return kovaplus_send(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS,
0e70f97f
SA		 165 buttons, sizeof(struct kovaplus_profile_buttons));
166}
167
168/* retval is 0-4 on success, < 0 on error */
169static int kovaplus_get_actual_profile(struct usb_device *usb_dev)
170{
171 struct kovaplus_actual_profile buf;
172 int retval;
173
1edd5b42 174 retval = roccat_common_receive(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE,
0e70f97f
SA		 175 &buf, sizeof(struct kovaplus_actual_profile));
176
177 return retval ? retval : buf.actual_profile;
178}
179
180static int kovaplus_set_actual_profile(struct usb_device *usb_dev,
181 int new_profile)
182{
183 struct kovaplus_actual_profile buf;
184
185 buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE;
186 buf.size = sizeof(struct kovaplus_actual_profile);
187 buf.actual_profile = new_profile;
188
1edd5b42 189 return kovaplus_send(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE,
0e70f97f
SA		 190 &buf, sizeof(struct kovaplus_actual_profile));
191}
192
193static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
194 struct kobject *kobj, struct bin_attribute *attr, char *buf,
195 loff_t off, size_t count)
196{
197 struct device *dev =
198 container_of(kobj, struct device, kobj)->parent->parent;
199 struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
200
201 if (off >= sizeof(struct kovaplus_profile_settings))
202 return 0;
203
204 if (off + count > sizeof(struct kovaplus_profile_settings))
205 count = sizeof(struct kovaplus_profile_settings) - off;
206
207 mutex_lock(&kovaplus->kovaplus_lock);
208 memcpy(buf, ((char const *)&kovaplus->profile_settings[*(uint *)(attr->private)]) + off,
209 count);
210 mutex_unlock(&kovaplus->kovaplus_lock);
211
212 return count;
213}
214
215static ssize_t kovaplus_sysfs_write_profile_settings(struct file *fp,
216 struct kobject *kobj, struct bin_attribute *attr, char *buf,
217 loff_t off, size_t count)
218{
219 struct device *dev =
220 container_of(kobj, struct device, kobj)->parent->parent;
221 struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
222 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
223 int retval = 0;
224 int difference;
225 int profile_index;
226 struct kovaplus_profile_settings *profile_settings;
227
228 if (off != 0 || count != sizeof(struct kovaplus_profile_settings))
229 return -EINVAL;
230
231 profile_index = ((struct kovaplus_profile_settings const *)buf)->profile_index;
232 profile_settings = &kovaplus->profile_settings[profile_index];
233
234 mutex_lock(&kovaplus->kovaplus_lock);
235 difference = memcmp(buf, profile_settings,
236 sizeof(struct kovaplus_profile_settings));
237 if (difference) {
238 retval = kovaplus_set_profile_settings(usb_dev,
239 (struct kovaplus_profile_settings const *)buf);
240 if (!retval)
241 memcpy(profile_settings, buf,
242 sizeof(struct kovaplus_profile_settings));
243 }
244 mutex_unlock(&kovaplus->kovaplus_lock);
245
246 if (retval)
247 return retval;
248
249 return sizeof(struct kovaplus_profile_settings);
250}
251
252static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
253 struct kobject *kobj, struct bin_attribute *attr, char *buf,
254 loff_t off, size_t count)
255{
256 struct device *dev =
257 container_of(kobj, struct device, kobj)->parent->parent;
258 struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
259
260 if (off >= sizeof(struct kovaplus_profile_buttons))
261 return 0;
262
263 if (off + count > sizeof(struct kovaplus_profile_buttons))
264 count = sizeof(struct kovaplus_profile_buttons) - off;
265
266 mutex_lock(&kovaplus->kovaplus_lock);
267 memcpy(buf, ((char const *)&kovaplus->profile_buttons[*(uint *)(attr->private)]) + off,
268 count);
269 mutex_unlock(&kovaplus->kovaplus_lock);
270
271 return count;
272}
273
274static ssize_t kovaplus_sysfs_write_profile_buttons(struct file *fp,
275 struct kobject *kobj, struct bin_attribute *attr, char *buf,
276 loff_t off, size_t count)
277{
278 struct device *dev =
279 container_of(kobj, struct device, kobj)->parent->parent;
280 struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
281 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
282 int retval = 0;
283 int difference;
284 uint profile_index;
285 struct kovaplus_profile_buttons *profile_buttons;
286
287 if (off != 0 || count != sizeof(struct kovaplus_profile_buttons))
288 return -EINVAL;
289
290 profile_index = ((struct kovaplus_profile_buttons const *)buf)->profile_index;
291 profile_buttons = &kovaplus->profile_buttons[profile_index];
292
293 mutex_lock(&kovaplus->kovaplus_lock);
294 difference = memcmp(buf, profile_buttons,
295 sizeof(struct kovaplus_profile_buttons));
296 if (difference) {
297 retval = kovaplus_set_profile_buttons(usb_dev,
298 (struct kovaplus_profile_buttons const *)buf);
299 if (!retval)
300 memcpy(profile_buttons, buf,
301 sizeof(struct kovaplus_profile_buttons));
302 }
303 mutex_unlock(&kovaplus->kovaplus_lock);
304
305 if (retval)
306 return retval;
307
308 return sizeof(struct kovaplus_profile_buttons);
309}
310
311static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev,
312 struct device_attribute *attr, char *buf)
313{
314 struct kovaplus_device *kovaplus =
315 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
316 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile);
317}
318
319static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev,
320 struct device_attribute *attr, char const *buf, size_t size)
321{
322 struct kovaplus_device *kovaplus;
323 struct usb_device *usb_dev;
324 unsigned long profile;
325 int retval;
6b9a57b9 326 struct kovaplus_roccat_report roccat_report;
0e70f97f
SA		 327
328 dev = dev->parent->parent;
329 kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
330 usb_dev = interface_to_usbdev(to_usb_interface(dev));
331
332 retval = strict_strtoul(buf, 10, &profile);
333 if (retval)
334 return retval;
335
336 if (profile >= 5)
337 return -EINVAL;
338
339 mutex_lock(&kovaplus->kovaplus_lock);
340 retval = kovaplus_set_actual_profile(usb_dev, profile);
6b9a57b9
SA		 341 if (retval) {
342 mutex_unlock(&kovaplus->kovaplus_lock);
343 return retval;
344 }
345
901e64db 346 kovaplus_profile_activated(kovaplus, profile);
6b9a57b9
SA		 347
348 roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1;
349 roccat_report.profile = profile + 1;
350 roccat_report.button = 0;
351 roccat_report.data1 = profile + 1;
352 roccat_report.data2 = 0;
353 roccat_report_event(kovaplus->chrdev_minor,
354 (uint8_t const *)&roccat_report);
355
0e70f97f 356 mutex_unlock(&kovaplus->kovaplus_lock);
0e70f97f
SA		 357
358 return size;
359}
360
361static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev,
362 struct device_attribute *attr, char *buf)
363{
364 struct kovaplus_device *kovaplus =
365 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
366 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi);
367}
368
369static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev,
370 struct device_attribute *attr, char *buf)
371{
372 struct kovaplus_device *kovaplus =
373 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
374 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity);
375}
376
377static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev,
378 struct device_attribute *attr, char *buf)
379{
380 struct kovaplus_device *kovaplus =
381 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
382 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity);
383}
384
385static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
386 struct device_attribute *attr, char *buf)
387{
388 struct kovaplus_device *kovaplus =
389 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
390 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->info.firmware_version);
391}
392
393static struct device_attribute kovaplus_attributes[] = {
394 __ATTR(actual_cpi, 0440,
395 kovaplus_sysfs_show_actual_cpi, NULL),
396 __ATTR(firmware_version, 0440,
397 kovaplus_sysfs_show_firmware_version, NULL),
398 __ATTR(actual_profile, 0660,
399 kovaplus_sysfs_show_actual_profile,
400 kovaplus_sysfs_set_actual_profile),
401 __ATTR(actual_sensitivity_x, 0440,
402 kovaplus_sysfs_show_actual_sensitivity_x, NULL),
403 __ATTR(actual_sensitivity_y, 0440,
404 kovaplus_sysfs_show_actual_sensitivity_y, NULL),
405 __ATTR_NULL
406};
407
408static struct bin_attribute kovaplus_bin_attributes[] = {
409 {
410 .attr = { .name = "profile_settings", .mode = 0220 },
411 .size = sizeof(struct kovaplus_profile_settings),
412 .write = kovaplus_sysfs_write_profile_settings
413 },
414 {
415 .attr = { .name = "profile1_settings", .mode = 0440 },
416 .size = sizeof(struct kovaplus_profile_settings),
417 .read = kovaplus_sysfs_read_profilex_settings,
418 .private = &profile_numbers[0]
419 },
420 {
421 .attr = { .name = "profile2_settings", .mode = 0440 },
422 .size = sizeof(struct kovaplus_profile_settings),
423 .read = kovaplus_sysfs_read_profilex_settings,
424 .private = &profile_numbers[1]
425 },
426 {
427 .attr = { .name = "profile3_settings", .mode = 0440 },
428 .size = sizeof(struct kovaplus_profile_settings),
429 .read = kovaplus_sysfs_read_profilex_settings,
430 .private = &profile_numbers[2]
431 },
432 {
433 .attr = { .name = "profile4_settings", .mode = 0440 },
434 .size = sizeof(struct kovaplus_profile_settings),
435 .read = kovaplus_sysfs_read_profilex_settings,
436 .private = &profile_numbers[3]
437 },
438 {
439 .attr = { .name = "profile5_settings", .mode = 0440 },
440 .size = sizeof(struct kovaplus_profile_settings),
441 .read = kovaplus_sysfs_read_profilex_settings,
442 .private = &profile_numbers[4]
443 },
444 {
445 .attr = { .name = "profile_buttons", .mode = 0220 },
446 .size = sizeof(struct kovaplus_profile_buttons),
447 .write = kovaplus_sysfs_write_profile_buttons
448 },
449 {
450 .attr = { .name = "profile1_buttons", .mode = 0440 },
451 .size = sizeof(struct kovaplus_profile_buttons),
452 .read = kovaplus_sysfs_read_profilex_buttons,
453 .private = &profile_numbers[0]
454 },
455 {
456 .attr = { .name = "profile2_buttons", .mode = 0440 },
457 .size = sizeof(struct kovaplus_profile_buttons),
458 .read = kovaplus_sysfs_read_profilex_buttons,
459 .private = &profile_numbers[1]
460 },
461 {
462 .attr = { .name = "profile3_buttons", .mode = 0440 },
463 .size = sizeof(struct kovaplus_profile_buttons),
464 .read = kovaplus_sysfs_read_profilex_buttons,
465 .private = &profile_numbers[2]
466 },
467 {
468 .attr = { .name = "profile4_buttons", .mode = 0440 },
469 .size = sizeof(struct kovaplus_profile_buttons),
470 .read = kovaplus_sysfs_read_profilex_buttons,
471 .private = &profile_numbers[3]
472 },
473 {
474 .attr = { .name = "profile5_buttons", .mode = 0440 },
475 .size = sizeof(struct kovaplus_profile_buttons),
476 .read = kovaplus_sysfs_read_profilex_buttons,
477 .private = &profile_numbers[4]
478 },
479 __ATTR_NULL
480};
481
482static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev,
483 struct kovaplus_device *kovaplus)
484{
485 int retval, i;
486 static uint wait = 70; /* device will freeze with just 60 */
487
488 mutex_init(&kovaplus->kovaplus_lock);
489
490 retval = kovaplus_get_info(usb_dev, &kovaplus->info);
491 if (retval)
492 return retval;
493
494 for (i = 0; i < 5; ++i) {
495 msleep(wait);
496 retval = kovaplus_get_profile_settings(usb_dev,
497 &kovaplus->profile_settings[i], i);
498 if (retval)
499 return retval;
500
501 msleep(wait);
502 retval = kovaplus_get_profile_buttons(usb_dev,
503 &kovaplus->profile_buttons[i], i);
504 if (retval)
505 return retval;
506 }
507
508 msleep(wait);
509 retval = kovaplus_get_actual_profile(usb_dev);
510 if (retval < 0)
511 return retval;
512 kovaplus_profile_activated(kovaplus, retval);
513
514 return 0;
515}
516
517static int kovaplus_init_specials(struct hid_device *hdev)
518{
519 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
520 struct usb_device *usb_dev = interface_to_usbdev(intf);
521 struct kovaplus_device *kovaplus;
522 int retval;
523
524 if (intf->cur_altsetting->desc.bInterfaceProtocol
525 == USB_INTERFACE_PROTOCOL_MOUSE) {
526
527 kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL);
528 if (!kovaplus) {
529 hid_err(hdev, "can't alloc device descriptor\n");
530 return -ENOMEM;
531 }
532 hid_set_drvdata(hdev, kovaplus);
533
534 retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus);
535 if (retval) {
536 hid_err(hdev, "couldn't init struct kovaplus_device\n");
537 goto exit_free;
538 }
539
8211e460
SA		 540 retval = roccat_connect(kovaplus_class, hdev,
541 sizeof(struct kovaplus_roccat_report));
0e70f97f
SA		 542 if (retval < 0) {
543 hid_err(hdev, "couldn't init char dev\n");
544 } else {
545 kovaplus->chrdev_minor = retval;
546 kovaplus->roccat_claimed = 1;
547 }
548
549 } else {
550 hid_set_drvdata(hdev, NULL);
551 }
552
553 return 0;
554exit_free:
555 kfree(kovaplus);
556 return retval;
557}
558
559static void kovaplus_remove_specials(struct hid_device *hdev)
560{
561 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
562 struct kovaplus_device *kovaplus;
563
564 if (intf->cur_altsetting->desc.bInterfaceProtocol
565 == USB_INTERFACE_PROTOCOL_MOUSE) {
566 kovaplus = hid_get_drvdata(hdev);
567 if (kovaplus->roccat_claimed)
568 roccat_disconnect(kovaplus->chrdev_minor);
569 kfree(kovaplus);
570 }
571}
572
573static int kovaplus_probe(struct hid_device *hdev,
574 const struct hid_device_id *id)
575{
576 int retval;
577
578 retval = hid_parse(hdev);
579 if (retval) {
580 hid_err(hdev, "parse failed\n");
581 goto exit;
582 }
583
584 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
585 if (retval) {
586 hid_err(hdev, "hw start failed\n");
587 goto exit;
588 }
589
590 retval = kovaplus_init_specials(hdev);
591 if (retval) {
592 hid_err(hdev, "couldn't install mouse\n");
593 goto exit_stop;
594 }
595
596 return 0;
597
598exit_stop:
599 hid_hw_stop(hdev);
600exit:
601 return retval;
602}
603
604static void kovaplus_remove(struct hid_device *hdev)
605{
606 kovaplus_remove_specials(hdev);
607 hid_hw_stop(hdev);
608}
609
610static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus,
611 u8 const *data)
612{
613 struct kovaplus_mouse_report_button const *button_report;
614
615 if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON)
616 return;
617
618 button_report = (struct kovaplus_mouse_report_button const *)data;
619
620 switch (button_report->type) {
621 case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1:
622 kovaplus_profile_activated(kovaplus, button_report->data1 - 1);
623 break;
624 case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI:
625 kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1);
626 case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY:
627 kovaplus->actual_x_sensitivity = button_report->data1;
628 kovaplus->actual_y_sensitivity = button_report->data2;
629 }
630}
631
632static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus,
633 u8 const *data)
634{
635 struct kovaplus_roccat_report roccat_report;
636 struct kovaplus_mouse_report_button const *button_report;
637
638 if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON)
639 return;
640
641 button_report = (struct kovaplus_mouse_report_button const *)data;
642
643 if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2)
644 return;
645
646 roccat_report.type = button_report->type;
647 roccat_report.profile = kovaplus->actual_profile + 1;
648
649 if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO ||
650 roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT ||
651 roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH ||
652 roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER)
653 roccat_report.button = button_report->data1;
654 else
655 roccat_report.button = 0;
656
657 if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI)
658 roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1);
659 else
660 roccat_report.data1 = button_report->data1;
661
662 roccat_report.data2 = button_report->data2;
663
664 roccat_report_event(kovaplus->chrdev_minor,
8211e460 665 (uint8_t const *)&roccat_report);
0e70f97f
SA		 666}
667
668static int kovaplus_raw_event(struct hid_device *hdev,
669 struct hid_report *report, u8 *data, int size)
670{
671 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
672 struct kovaplus_device *kovaplus = hid_get_drvdata(hdev);
673
674 if (intf->cur_altsetting->desc.bInterfaceProtocol
675 != USB_INTERFACE_PROTOCOL_MOUSE)
676 return 0;
677
901e64db
SA		 678 if (kovaplus == NULL)
679 return 0;
680
0e70f97f
SA		 681 kovaplus_keep_values_up_to_date(kovaplus, data);
682
683 if (kovaplus->roccat_claimed)
684 kovaplus_report_to_chrdev(kovaplus, data);
685
686 return 0;
687}
688
689static const struct hid_device_id kovaplus_devices[] = {
690 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
691 { }
692};
693
694MODULE_DEVICE_TABLE(hid, kovaplus_devices);
695
696static struct hid_driver kovaplus_driver = {
697 .name = "kovaplus",
698 .id_table = kovaplus_devices,
699 .probe = kovaplus_probe,
700 .remove = kovaplus_remove,
701 .raw_event = kovaplus_raw_event
702};
703
704static int __init kovaplus_init(void)
705{
706 int retval;
707
708 kovaplus_class = class_create(THIS_MODULE, "kovaplus");
709 if (IS_ERR(kovaplus_class))
710 return PTR_ERR(kovaplus_class);
711 kovaplus_class->dev_attrs = kovaplus_attributes;
712 kovaplus_class->dev_bin_attrs = kovaplus_bin_attributes;
713
714 retval = hid_register_driver(&kovaplus_driver);
715 if (retval)
716 class_destroy(kovaplus_class);
717 return retval;
718}
719
720static void __exit kovaplus_exit(void)
721{
0e70f97f 722 hid_unregister_driver(&kovaplus_driver);
74b643da 723 class_destroy(kovaplus_class);
0e70f97f
SA		 724}
725
726module_init(kovaplus_init);
727module_exit(kovaplus_exit);
728
729MODULE_AUTHOR("Stefan Achatz");
730MODULE_DESCRIPTION("USB Roccat Kova[+] driver");
731MODULE_LICENSE("GPL v2");
Empty description
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