1 /*
2 * Roccat Kova[+] driver for Linux
3 *
4 * Copyright (c) 2011 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 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>
23 #include <linux/hid-roccat.h>
24 #include "hid-ids.h"
25 #include "hid-roccat-common.h"
26 #include "hid-roccat-kovaplus.h"
27
28 static uint profile_numbers[5] = {0, 1, 2, 3, 4};
29
30 static struct class *kovaplus_class;
31
kovaplus_convert_event_cpi(uint value)32 static uint kovaplus_convert_event_cpi(uint value)
33 {
34 return (value == 7 ? 4 : (value == 4 ? 3 : value));
35 }
36
kovaplus_profile_activated(struct kovaplus_device * kovaplus,uint new_profile_index)37 static void kovaplus_profile_activated(struct kovaplus_device *kovaplus,
38 uint new_profile_index)
39 {
40 if (new_profile_index >= ARRAY_SIZE(kovaplus->profile_settings))
41 return;
42 kovaplus->actual_profile = new_profile_index;
43 kovaplus->actual_cpi = kovaplus->profile_settings[new_profile_index].cpi_startup_level;
44 kovaplus->actual_x_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_x;
45 kovaplus->actual_y_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_y;
46 }
47
kovaplus_send_control(struct usb_device * usb_dev,uint value,enum kovaplus_control_requests request)48 static int kovaplus_send_control(struct usb_device *usb_dev, uint value,
49 enum kovaplus_control_requests request)
50 {
51 int retval;
52 struct roccat_common2_control control;
53
54 if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS ||
55 request == KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&
56 value > 4)
57 return -EINVAL;
58
59 control.command = ROCCAT_COMMON_COMMAND_CONTROL;
60 control.value = value;
61 control.request = request;
62
63 retval = roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL,
64 &control, sizeof(struct roccat_common2_control));
65
66 return retval;
67 }
68
kovaplus_select_profile(struct usb_device * usb_dev,uint number,enum kovaplus_control_requests request)69 static int kovaplus_select_profile(struct usb_device *usb_dev, uint number,
70 enum kovaplus_control_requests request)
71 {
72 return kovaplus_send_control(usb_dev, number, request);
73 }
74
kovaplus_get_profile_settings(struct usb_device * usb_dev,struct kovaplus_profile_settings * buf,uint number)75 static int kovaplus_get_profile_settings(struct usb_device *usb_dev,
76 struct kovaplus_profile_settings *buf, uint number)
77 {
78 int retval;
79
80 retval = kovaplus_select_profile(usb_dev, number,
81 KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
82 if (retval)
83 return retval;
84
85 return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS,
86 buf, KOVAPLUS_SIZE_PROFILE_SETTINGS);
87 }
88
kovaplus_get_profile_buttons(struct usb_device * usb_dev,struct kovaplus_profile_buttons * buf,int number)89 static int kovaplus_get_profile_buttons(struct usb_device *usb_dev,
90 struct kovaplus_profile_buttons *buf, int number)
91 {
92 int retval;
93
94 retval = kovaplus_select_profile(usb_dev, number,
95 KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
96 if (retval)
97 return retval;
98
99 return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS,
100 buf, KOVAPLUS_SIZE_PROFILE_BUTTONS);
101 }
102
103 /* retval is 0-4 on success, < 0 on error */
kovaplus_get_actual_profile(struct usb_device * usb_dev)104 static int kovaplus_get_actual_profile(struct usb_device *usb_dev)
105 {
106 struct kovaplus_actual_profile buf;
107 int retval;
108
109 retval = roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE,
110 &buf, sizeof(struct kovaplus_actual_profile));
111
112 return retval ? retval : buf.actual_profile;
113 }
114
kovaplus_set_actual_profile(struct usb_device * usb_dev,int new_profile)115 static int kovaplus_set_actual_profile(struct usb_device *usb_dev,
116 int new_profile)
117 {
118 struct kovaplus_actual_profile buf;
119
120 buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE;
121 buf.size = sizeof(struct kovaplus_actual_profile);
122 buf.actual_profile = new_profile;
123
124 return roccat_common2_send_with_status(usb_dev,
125 KOVAPLUS_COMMAND_ACTUAL_PROFILE,
126 &buf, sizeof(struct kovaplus_actual_profile));
127 }
128
kovaplus_sysfs_read(struct file * fp,struct kobject * kobj,char * buf,loff_t off,size_t count,size_t real_size,uint command)129 static ssize_t kovaplus_sysfs_read(struct file *fp, struct kobject *kobj,
130 char *buf, loff_t off, size_t count,
131 size_t real_size, uint command)
132 {
133 struct device *dev = kobj_to_dev(kobj)->parent->parent;
134 struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
135 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
136 int retval;
137
138 if (off >= real_size)
139 return 0;
140
141 if (off != 0 || count != real_size)
142 return -EINVAL;
143
144 mutex_lock(&kovaplus->kovaplus_lock);
145 retval = roccat_common2_receive(usb_dev, command, buf, real_size);
146 mutex_unlock(&kovaplus->kovaplus_lock);
147
148 if (retval)
149 return retval;
150
151 return real_size;
152 }
153
kovaplus_sysfs_write(struct file * fp,struct kobject * kobj,void const * buf,loff_t off,size_t count,size_t real_size,uint command)154 static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj,
155 void const *buf, loff_t off, size_t count,
156 size_t real_size, uint command)
157 {
158 struct device *dev = kobj_to_dev(kobj)->parent->parent;
159 struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
160 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
161 int retval;
162
163 if (off != 0 || count != real_size)
164 return -EINVAL;
165
166 mutex_lock(&kovaplus->kovaplus_lock);
167 retval = roccat_common2_send_with_status(usb_dev, command,
168 buf, real_size);
169 mutex_unlock(&kovaplus->kovaplus_lock);
170
171 if (retval)
172 return retval;
173
174 return real_size;
175 }
176
177 #define KOVAPLUS_SYSFS_W(thingy, THINGY) \
178 static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \
179 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
180 loff_t off, size_t count) \
181 { \
182 return kovaplus_sysfs_write(fp, kobj, buf, off, count, \
183 KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
184 }
185
186 #define KOVAPLUS_SYSFS_R(thingy, THINGY) \
187 static ssize_t kovaplus_sysfs_read_ ## thingy(struct file *fp, \
188 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
189 loff_t off, size_t count) \
190 { \
191 return kovaplus_sysfs_read(fp, kobj, buf, off, count, \
192 KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
193 }
194
195 #define KOVAPLUS_SYSFS_RW(thingy, THINGY) \
196 KOVAPLUS_SYSFS_W(thingy, THINGY) \
197 KOVAPLUS_SYSFS_R(thingy, THINGY)
198
199 #define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
200 KOVAPLUS_SYSFS_RW(thingy, THINGY); \
201 static struct bin_attribute bin_attr_##thingy = { \
202 .attr = { .name = #thingy, .mode = 0660 }, \
203 .size = KOVAPLUS_SIZE_ ## THINGY, \
204 .read = kovaplus_sysfs_read_ ## thingy, \
205 .write = kovaplus_sysfs_write_ ## thingy \
206 }
207
208 #define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
209 KOVAPLUS_SYSFS_W(thingy, THINGY); \
210 static struct bin_attribute bin_attr_##thingy = { \
211 .attr = { .name = #thingy, .mode = 0220 }, \
212 .size = KOVAPLUS_SIZE_ ## THINGY, \
213 .write = kovaplus_sysfs_write_ ## thingy \
214 }
215 KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL);
216 KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO);
217 KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
218 KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
219
kovaplus_sysfs_read_profilex_settings(struct file * fp,struct kobject * kobj,struct bin_attribute * attr,char * buf,loff_t off,size_t count)220 static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
221 struct kobject *kobj, struct bin_attribute *attr, char *buf,
222 loff_t off, size_t count)
223 {
224 struct device *dev = kobj_to_dev(kobj)->parent->parent;
225 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
226 ssize_t retval;
227
228 retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
229 KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
230 if (retval)
231 return retval;
232
233 return kovaplus_sysfs_read(fp, kobj, buf, off, count,
234 KOVAPLUS_SIZE_PROFILE_SETTINGS,
235 KOVAPLUS_COMMAND_PROFILE_SETTINGS);
236 }
237
kovaplus_sysfs_read_profilex_buttons(struct file * fp,struct kobject * kobj,struct bin_attribute * attr,char * buf,loff_t off,size_t count)238 static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
239 struct kobject *kobj, struct bin_attribute *attr, char *buf,
240 loff_t off, size_t count)
241 {
242 struct device *dev = kobj_to_dev(kobj)->parent->parent;
243 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
244 ssize_t retval;
245
246 retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
247 KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
248 if (retval)
249 return retval;
250
251 return kovaplus_sysfs_read(fp, kobj, buf, off, count,
252 KOVAPLUS_SIZE_PROFILE_BUTTONS,
253 KOVAPLUS_COMMAND_PROFILE_BUTTONS);
254 }
255
256 #define PROFILE_ATTR(number) \
257 static struct bin_attribute bin_attr_profile##number##_settings = { \
258 .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \
259 .size = KOVAPLUS_SIZE_PROFILE_SETTINGS, \
260 .read = kovaplus_sysfs_read_profilex_settings, \
261 .private = &profile_numbers[number-1], \
262 }; \
263 static struct bin_attribute bin_attr_profile##number##_buttons = { \
264 .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \
265 .size = KOVAPLUS_SIZE_PROFILE_BUTTONS, \
266 .read = kovaplus_sysfs_read_profilex_buttons, \
267 .private = &profile_numbers[number-1], \
268 };
269 PROFILE_ATTR(1);
270 PROFILE_ATTR(2);
271 PROFILE_ATTR(3);
272 PROFILE_ATTR(4);
273 PROFILE_ATTR(5);
274
kovaplus_sysfs_show_actual_profile(struct device * dev,struct device_attribute * attr,char * buf)275 static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev,
276 struct device_attribute *attr, char *buf)
277 {
278 struct kovaplus_device *kovaplus =
279 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
280 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile);
281 }
282
kovaplus_sysfs_set_actual_profile(struct device * dev,struct device_attribute * attr,char const * buf,size_t size)283 static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev,
284 struct device_attribute *attr, char const *buf, size_t size)
285 {
286 struct kovaplus_device *kovaplus;
287 struct usb_device *usb_dev;
288 unsigned long profile;
289 int retval;
290 struct kovaplus_roccat_report roccat_report;
291
292 dev = dev->parent->parent;
293 kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
294 usb_dev = interface_to_usbdev(to_usb_interface(dev));
295
296 retval = kstrtoul(buf, 10, &profile);
297 if (retval)
298 return retval;
299
300 if (profile >= 5)
301 return -EINVAL;
302
303 mutex_lock(&kovaplus->kovaplus_lock);
304 retval = kovaplus_set_actual_profile(usb_dev, profile);
305 if (retval) {
306 mutex_unlock(&kovaplus->kovaplus_lock);
307 return retval;
308 }
309
310 kovaplus_profile_activated(kovaplus, profile);
311
312 roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1;
313 roccat_report.profile = profile + 1;
314 roccat_report.button = 0;
315 roccat_report.data1 = profile + 1;
316 roccat_report.data2 = 0;
317 roccat_report_event(kovaplus->chrdev_minor,
318 (uint8_t const *)&roccat_report);
319
320 mutex_unlock(&kovaplus->kovaplus_lock);
321
322 return size;
323 }
324 static DEVICE_ATTR(actual_profile, 0660,
325 kovaplus_sysfs_show_actual_profile,
326 kovaplus_sysfs_set_actual_profile);
327
kovaplus_sysfs_show_actual_cpi(struct device * dev,struct device_attribute * attr,char * buf)328 static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev,
329 struct device_attribute *attr, char *buf)
330 {
331 struct kovaplus_device *kovaplus =
332 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
333 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi);
334 }
335 static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL);
336
kovaplus_sysfs_show_actual_sensitivity_x(struct device * dev,struct device_attribute * attr,char * buf)337 static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev,
338 struct device_attribute *attr, char *buf)
339 {
340 struct kovaplus_device *kovaplus =
341 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
342 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity);
343 }
344 static DEVICE_ATTR(actual_sensitivity_x, 0440,
345 kovaplus_sysfs_show_actual_sensitivity_x, NULL);
346
kovaplus_sysfs_show_actual_sensitivity_y(struct device * dev,struct device_attribute * attr,char * buf)347 static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev,
348 struct device_attribute *attr, char *buf)
349 {
350 struct kovaplus_device *kovaplus =
351 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
352 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity);
353 }
354 static DEVICE_ATTR(actual_sensitivity_y, 0440,
355 kovaplus_sysfs_show_actual_sensitivity_y, NULL);
356
kovaplus_sysfs_show_firmware_version(struct device * dev,struct device_attribute * attr,char * buf)357 static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
358 struct device_attribute *attr, char *buf)
359 {
360 struct kovaplus_device *kovaplus;
361 struct usb_device *usb_dev;
362 struct kovaplus_info info;
363
364 dev = dev->parent->parent;
365 kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
366 usb_dev = interface_to_usbdev(to_usb_interface(dev));
367
368 mutex_lock(&kovaplus->kovaplus_lock);
369 roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
370 &info, KOVAPLUS_SIZE_INFO);
371 mutex_unlock(&kovaplus->kovaplus_lock);
372
373 return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
374 }
375 static DEVICE_ATTR(firmware_version, 0440,
376 kovaplus_sysfs_show_firmware_version, NULL);
377
378 static struct attribute *kovaplus_attrs[] = {
379 &dev_attr_actual_cpi.attr,
380 &dev_attr_firmware_version.attr,
381 &dev_attr_actual_profile.attr,
382 &dev_attr_actual_sensitivity_x.attr,
383 &dev_attr_actual_sensitivity_y.attr,
384 NULL,
385 };
386
387 static struct bin_attribute *kovaplus_bin_attributes[] = {
388 &bin_attr_control,
389 &bin_attr_info,
390 &bin_attr_profile_settings,
391 &bin_attr_profile_buttons,
392 &bin_attr_profile1_settings,
393 &bin_attr_profile2_settings,
394 &bin_attr_profile3_settings,
395 &bin_attr_profile4_settings,
396 &bin_attr_profile5_settings,
397 &bin_attr_profile1_buttons,
398 &bin_attr_profile2_buttons,
399 &bin_attr_profile3_buttons,
400 &bin_attr_profile4_buttons,
401 &bin_attr_profile5_buttons,
402 NULL,
403 };
404
405 static const struct attribute_group kovaplus_group = {
406 .attrs = kovaplus_attrs,
407 .bin_attrs = kovaplus_bin_attributes,
408 };
409
410 static const struct attribute_group *kovaplus_groups[] = {
411 &kovaplus_group,
412 NULL,
413 };
414
kovaplus_init_kovaplus_device_struct(struct usb_device * usb_dev,struct kovaplus_device * kovaplus)415 static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev,
416 struct kovaplus_device *kovaplus)
417 {
418 int retval, i;
419 static uint wait = 70; /* device will freeze with just 60 */
420
421 mutex_init(&kovaplus->kovaplus_lock);
422
423 for (i = 0; i < 5; ++i) {
424 msleep(wait);
425 retval = kovaplus_get_profile_settings(usb_dev,
426 &kovaplus->profile_settings[i], i);
427 if (retval)
428 return retval;
429
430 msleep(wait);
431 retval = kovaplus_get_profile_buttons(usb_dev,
432 &kovaplus->profile_buttons[i], i);
433 if (retval)
434 return retval;
435 }
436
437 msleep(wait);
438 retval = kovaplus_get_actual_profile(usb_dev);
439 if (retval < 0)
440 return retval;
441 kovaplus_profile_activated(kovaplus, retval);
442
443 return 0;
444 }
445
kovaplus_init_specials(struct hid_device * hdev)446 static int kovaplus_init_specials(struct hid_device *hdev)
447 {
448 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
449 struct usb_device *usb_dev = interface_to_usbdev(intf);
450 struct kovaplus_device *kovaplus;
451 int retval;
452
453 if (intf->cur_altsetting->desc.bInterfaceProtocol
454 == USB_INTERFACE_PROTOCOL_MOUSE) {
455
456 kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL);
457 if (!kovaplus) {
458 hid_err(hdev, "can't alloc device descriptor\n");
459 return -ENOMEM;
460 }
461 hid_set_drvdata(hdev, kovaplus);
462
463 retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus);
464 if (retval) {
465 hid_err(hdev, "couldn't init struct kovaplus_device\n");
466 goto exit_free;
467 }
468
469 retval = roccat_connect(kovaplus_class, hdev,
470 sizeof(struct kovaplus_roccat_report));
471 if (retval < 0) {
472 hid_err(hdev, "couldn't init char dev\n");
473 } else {
474 kovaplus->chrdev_minor = retval;
475 kovaplus->roccat_claimed = 1;
476 }
477
478 } else {
479 hid_set_drvdata(hdev, NULL);
480 }
481
482 return 0;
483 exit_free:
484 kfree(kovaplus);
485 return retval;
486 }
487
kovaplus_remove_specials(struct hid_device * hdev)488 static void kovaplus_remove_specials(struct hid_device *hdev)
489 {
490 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
491 struct kovaplus_device *kovaplus;
492
493 if (intf->cur_altsetting->desc.bInterfaceProtocol
494 == USB_INTERFACE_PROTOCOL_MOUSE) {
495 kovaplus = hid_get_drvdata(hdev);
496 if (kovaplus->roccat_claimed)
497 roccat_disconnect(kovaplus->chrdev_minor);
498 kfree(kovaplus);
499 }
500 }
501
kovaplus_probe(struct hid_device * hdev,const struct hid_device_id * id)502 static int kovaplus_probe(struct hid_device *hdev,
503 const struct hid_device_id *id)
504 {
505 int retval;
506
507 if (!hid_is_usb(hdev))
508 return -EINVAL;
509
510 retval = hid_parse(hdev);
511 if (retval) {
512 hid_err(hdev, "parse failed\n");
513 goto exit;
514 }
515
516 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
517 if (retval) {
518 hid_err(hdev, "hw start failed\n");
519 goto exit;
520 }
521
522 retval = kovaplus_init_specials(hdev);
523 if (retval) {
524 hid_err(hdev, "couldn't install mouse\n");
525 goto exit_stop;
526 }
527
528 return 0;
529
530 exit_stop:
531 hid_hw_stop(hdev);
532 exit:
533 return retval;
534 }
535
kovaplus_remove(struct hid_device * hdev)536 static void kovaplus_remove(struct hid_device *hdev)
537 {
538 kovaplus_remove_specials(hdev);
539 hid_hw_stop(hdev);
540 }
541
kovaplus_keep_values_up_to_date(struct kovaplus_device * kovaplus,u8 const * data)542 static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus,
543 u8 const *data)
544 {
545 struct kovaplus_mouse_report_button const *button_report;
546
547 if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON)
548 return;
549
550 button_report = (struct kovaplus_mouse_report_button const *)data;
551
552 switch (button_report->type) {
553 case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1:
554 kovaplus_profile_activated(kovaplus, button_report->data1 - 1);
555 break;
556 case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI:
557 kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1);
558 break;
559 case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY:
560 kovaplus->actual_x_sensitivity = button_report->data1;
561 kovaplus->actual_y_sensitivity = button_report->data2;
562 break;
563 default:
564 break;
565 }
566 }
567
kovaplus_report_to_chrdev(struct kovaplus_device const * kovaplus,u8 const * data)568 static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus,
569 u8 const *data)
570 {
571 struct kovaplus_roccat_report roccat_report;
572 struct kovaplus_mouse_report_button const *button_report;
573
574 if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON)
575 return;
576
577 button_report = (struct kovaplus_mouse_report_button const *)data;
578
579 if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2)
580 return;
581
582 roccat_report.type = button_report->type;
583 roccat_report.profile = kovaplus->actual_profile + 1;
584
585 if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO ||
586 roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT ||
587 roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH ||
588 roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER)
589 roccat_report.button = button_report->data1;
590 else
591 roccat_report.button = 0;
592
593 if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI)
594 roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1);
595 else
596 roccat_report.data1 = button_report->data1;
597
598 roccat_report.data2 = button_report->data2;
599
600 roccat_report_event(kovaplus->chrdev_minor,
601 (uint8_t const *)&roccat_report);
602 }
603
kovaplus_raw_event(struct hid_device * hdev,struct hid_report * report,u8 * data,int size)604 static int kovaplus_raw_event(struct hid_device *hdev,
605 struct hid_report *report, u8 *data, int size)
606 {
607 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
608 struct kovaplus_device *kovaplus = hid_get_drvdata(hdev);
609
610 if (intf->cur_altsetting->desc.bInterfaceProtocol
611 != USB_INTERFACE_PROTOCOL_MOUSE)
612 return 0;
613
614 if (kovaplus == NULL)
615 return 0;
616
617 kovaplus_keep_values_up_to_date(kovaplus, data);
618
619 if (kovaplus->roccat_claimed)
620 kovaplus_report_to_chrdev(kovaplus, data);
621
622 return 0;
623 }
624
625 static const struct hid_device_id kovaplus_devices[] = {
626 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
627 { }
628 };
629
630 MODULE_DEVICE_TABLE(hid, kovaplus_devices);
631
632 static struct hid_driver kovaplus_driver = {
633 .name = "kovaplus",
634 .id_table = kovaplus_devices,
635 .probe = kovaplus_probe,
636 .remove = kovaplus_remove,
637 .raw_event = kovaplus_raw_event
638 };
639
kovaplus_init(void)640 static int __init kovaplus_init(void)
641 {
642 int retval;
643
644 kovaplus_class = class_create(THIS_MODULE, "kovaplus");
645 if (IS_ERR(kovaplus_class))
646 return PTR_ERR(kovaplus_class);
647 kovaplus_class->dev_groups = kovaplus_groups;
648
649 retval = hid_register_driver(&kovaplus_driver);
650 if (retval)
651 class_destroy(kovaplus_class);
652 return retval;
653 }
654
kovaplus_exit(void)655 static void __exit kovaplus_exit(void)
656 {
657 hid_unregister_driver(&kovaplus_driver);
658 class_destroy(kovaplus_class);
659 }
660
661 module_init(kovaplus_init);
662 module_exit(kovaplus_exit);
663
664 MODULE_AUTHOR("Stefan Achatz");
665 MODULE_DESCRIPTION("USB Roccat Kova[+] driver");
666 MODULE_LICENSE("GPL v2");
667