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Merge tag 'devicetree-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh...
[linux-2.6-block.git] / drivers / hid / hid-roccat-kovaplus.c
CommitLineData
2874c5fd 1// SPDX-License-Identifier: GPL-2.0-or-later
0e70f97f
SA		 2/*
3 * Roccat Kova[+] driver for Linux
4 *
5 * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net>
6 */
7
8/*
0e70f97f
SA		 9 */
10
11/*
12 * Roccat Kova[+] is a bigger version of the Pyra with two more side buttons.
13 */
14
15#include <linux/device.h>
16#include <linux/input.h>
17#include <linux/hid.h>
18#include <linux/module.h>
19#include <linux/slab.h>
5dc0c983 20#include <linux/hid-roccat.h>
0e70f97f 21#include "hid-ids.h"
0e70f97f
SA		 22#include "hid-roccat-common.h"
23#include "hid-roccat-kovaplus.h"
24
25static uint profile_numbers[5] = {0, 1, 2, 3, 4};
26
0e70f97f
SA		 27static uint kovaplus_convert_event_cpi(uint value)
28{
29 return (value == 7 ? 4 : (value == 4 ? 3 : value));
30}
31
32static void kovaplus_profile_activated(struct kovaplus_device *kovaplus,
33 uint new_profile_index)
34{
7ad81482
DC		 35 if (new_profile_index >= ARRAY_SIZE(kovaplus->profile_settings))
36 return;
0e70f97f
SA		 37 kovaplus->actual_profile = new_profile_index;
38 kovaplus->actual_cpi = kovaplus->profile_settings[new_profile_index].cpi_startup_level;
39 kovaplus->actual_x_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_x;
40 kovaplus->actual_y_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_y;
41}
42
43static int kovaplus_send_control(struct usb_device *usb_dev, uint value,
44 enum kovaplus_control_requests request)
45{
46 int retval;
7392d73b 47 struct roccat_common2_control control;
0e70f97f
SA		 48
49 if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS ||
50 request == KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&
51 value > 4)
52 return -EINVAL;
53
4728f2dc 54 control.command = ROCCAT_COMMON_COMMAND_CONTROL;
0e70f97f
SA		 55 control.value = value;
56 control.request = request;
57
7392d73b
SA		 58 retval = roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL,
59 &control, sizeof(struct roccat_common2_control));
0e70f97f
SA		 60
61 return retval;
62}
63
0e70f97f
SA		 64static int kovaplus_select_profile(struct usb_device *usb_dev, uint number,
65 enum kovaplus_control_requests request)
66{
67 return kovaplus_send_control(usb_dev, number, request);
68}
69
0e70f97f
SA		 70static int kovaplus_get_profile_settings(struct usb_device *usb_dev,
71 struct kovaplus_profile_settings *buf, uint number)
72{
73 int retval;
74
75 retval = kovaplus_select_profile(usb_dev, number,
76 KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
77 if (retval)
78 return retval;
79
7392d73b 80 return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS,
94a8fcf9 81 buf, KOVAPLUS_SIZE_PROFILE_SETTINGS);
0e70f97f
SA		 82}
83
84static int kovaplus_get_profile_buttons(struct usb_device *usb_dev,
85 struct kovaplus_profile_buttons *buf, int number)
86{
87 int retval;
88
89 retval = kovaplus_select_profile(usb_dev, number,
90 KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
91 if (retval)
92 return retval;
93
7392d73b 94 return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS,
94a8fcf9 95 buf, KOVAPLUS_SIZE_PROFILE_BUTTONS);
0e70f97f
SA		 96}
97
98/* retval is 0-4 on success, < 0 on error */
99static int kovaplus_get_actual_profile(struct usb_device *usb_dev)
100{
101 struct kovaplus_actual_profile buf;
102 int retval;
103
7392d73b 104 retval = roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE,
0e70f97f
SA		 105 &buf, sizeof(struct kovaplus_actual_profile));
106
107 return retval ? retval : buf.actual_profile;
108}
109
110static int kovaplus_set_actual_profile(struct usb_device *usb_dev,
111 int new_profile)
112{
113 struct kovaplus_actual_profile buf;
114
115 buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE;
116 buf.size = sizeof(struct kovaplus_actual_profile);
117 buf.actual_profile = new_profile;
118
7392d73b 119 return roccat_common2_send_with_status(usb_dev,
4728f2dc 120 KOVAPLUS_COMMAND_ACTUAL_PROFILE,
0e70f97f
SA		 121 &buf, sizeof(struct kovaplus_actual_profile));
122}
123
94a8fcf9
SA		 124static ssize_t kovaplus_sysfs_read(struct file *fp, struct kobject *kobj,
125 char *buf, loff_t off, size_t count,
126 size_t real_size, uint command)
0e70f97f 127{
2cf83833 128 struct device *dev = kobj_to_dev(kobj)->parent->parent;
0e70f97f 129 struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
94a8fcf9
SA		 130 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
131 int retval;
0e70f97f 132
94a8fcf9 133 if (off >= real_size)
0e70f97f
SA		 134 return 0;
135
94a8fcf9
SA		 136 if (off != 0 || count != real_size)
137 return -EINVAL;
0e70f97f
SA		 138
139 mutex_lock(&kovaplus->kovaplus_lock);
94a8fcf9 140 retval = roccat_common2_receive(usb_dev, command, buf, real_size);
0e70f97f
SA		 141 mutex_unlock(&kovaplus->kovaplus_lock);
142
94a8fcf9
SA		 143 if (retval)
144 return retval;
145
146 return real_size;
0e70f97f
SA		 147}
148
94a8fcf9
SA		 149static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj,
150 void const *buf, loff_t off, size_t count,
151 size_t real_size, uint command)
0e70f97f 152{
2cf83833 153 struct device *dev = kobj_to_dev(kobj)->parent->parent;
0e70f97f
SA		 154 struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
155 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
94a8fcf9 156 int retval;
0e70f97f 157
94a8fcf9 158 if (off != 0 || count != real_size)
0e70f97f
SA		 159 return -EINVAL;
160
0e70f97f 161 mutex_lock(&kovaplus->kovaplus_lock);
94a8fcf9
SA		 162 retval = roccat_common2_send_with_status(usb_dev, command,
163 buf, real_size);
0e70f97f
SA		 164 mutex_unlock(&kovaplus->kovaplus_lock);
165
166 if (retval)
167 return retval;
168
94a8fcf9 169 return real_size;
0e70f97f
SA		 170}
171
94a8fcf9
SA		 172#define KOVAPLUS_SYSFS_W(thingy, THINGY) \
173static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \
174 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
175 loff_t off, size_t count) \
176{ \
177 return kovaplus_sysfs_write(fp, kobj, buf, off, count, \
178 KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
179}
0e70f97f 180
94a8fcf9
SA		 181#define KOVAPLUS_SYSFS_R(thingy, THINGY) \
182static ssize_t kovaplus_sysfs_read_ ## thingy(struct file *fp, \
183 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
184 loff_t off, size_t count) \
185{ \
186 return kovaplus_sysfs_read(fp, kobj, buf, off, count, \
187 KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
188}
0e70f97f 189
94a8fcf9
SA		 190#define KOVAPLUS_SYSFS_RW(thingy, THINGY) \
191KOVAPLUS_SYSFS_W(thingy, THINGY) \
192KOVAPLUS_SYSFS_R(thingy, THINGY)
0e70f97f 193
94a8fcf9 194#define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
975b53cc
GKH		 195KOVAPLUS_SYSFS_RW(thingy, THINGY); \
196static struct bin_attribute bin_attr_##thingy = { \
94a8fcf9
SA		 197 .attr = { .name = #thingy, .mode = 0660 }, \
198 .size = KOVAPLUS_SIZE_ ## THINGY, \
199 .read = kovaplus_sysfs_read_ ## thingy, \
200 .write = kovaplus_sysfs_write_ ## thingy \
201}
202
94a8fcf9 203#define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
975b53cc
GKH		 204KOVAPLUS_SYSFS_W(thingy, THINGY); \
205static struct bin_attribute bin_attr_##thingy = { \
94a8fcf9
SA		 206 .attr = { .name = #thingy, .mode = 0220 }, \
207 .size = KOVAPLUS_SIZE_ ## THINGY, \
208 .write = kovaplus_sysfs_write_ ## thingy \
0e70f97f 209}
975b53cc
GKH		 210KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL);
211KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO);
212KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
213KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
94a8fcf9
SA		 214
215static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
0e70f97f
SA		 216 struct kobject *kobj, struct bin_attribute *attr, char *buf,
217 loff_t off, size_t count)
218{
2cf83833 219 struct device *dev = kobj_to_dev(kobj)->parent->parent;
0e70f97f 220 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
94a8fcf9 221 ssize_t retval;
0e70f97f 222
94a8fcf9
SA		 223 retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
224 KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
225 if (retval)
226 return retval;
0e70f97f 227
94a8fcf9
SA		 228 return kovaplus_sysfs_read(fp, kobj, buf, off, count,
229 KOVAPLUS_SIZE_PROFILE_SETTINGS,
230 KOVAPLUS_COMMAND_PROFILE_SETTINGS);
231}
0e70f97f 232
94a8fcf9
SA		 233static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
234 struct kobject *kobj, struct bin_attribute *attr, char *buf,
235 loff_t off, size_t count)
236{
2cf83833 237 struct device *dev = kobj_to_dev(kobj)->parent->parent;
94a8fcf9
SA		 238 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
239 ssize_t retval;
0e70f97f 240
94a8fcf9
SA		 241 retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
242 KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
0e70f97f
SA		 243 if (retval)
244 return retval;
245
94a8fcf9
SA		 246 return kovaplus_sysfs_read(fp, kobj, buf, off, count,
247 KOVAPLUS_SIZE_PROFILE_BUTTONS,
248 KOVAPLUS_COMMAND_PROFILE_BUTTONS);
0e70f97f
SA		 249}
250
975b53cc
GKH		 251#define PROFILE_ATTR(number) \
252static struct bin_attribute bin_attr_profile##number##_settings = { \
550dbf47 253 .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \
975b53cc
GKH		 254 .size = KOVAPLUS_SIZE_PROFILE_SETTINGS, \
255 .read = kovaplus_sysfs_read_profilex_settings, \
256 .private = &profile_numbers[number-1], \
257}; \
258static struct bin_attribute bin_attr_profile##number##_buttons = { \
550dbf47 259 .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \
975b53cc
GKH		 260 .size = KOVAPLUS_SIZE_PROFILE_BUTTONS, \
261 .read = kovaplus_sysfs_read_profilex_buttons, \
262 .private = &profile_numbers[number-1], \
263};
264PROFILE_ATTR(1);
265PROFILE_ATTR(2);
266PROFILE_ATTR(3);
267PROFILE_ATTR(4);
268PROFILE_ATTR(5);
269
0e70f97f
SA		 270static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev,
271 struct device_attribute *attr, char *buf)
272{
273 struct kovaplus_device *kovaplus =
274 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
275 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile);
276}
277
278static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev,
279 struct device_attribute *attr, char const *buf, size_t size)
280{
281 struct kovaplus_device *kovaplus;
282 struct usb_device *usb_dev;
283 unsigned long profile;
284 int retval;
6b9a57b9 285 struct kovaplus_roccat_report roccat_report;
0e70f97f
SA		 286
287 dev = dev->parent->parent;
288 kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
289 usb_dev = interface_to_usbdev(to_usb_interface(dev));
290
dfc450b5 291 retval = kstrtoul(buf, 10, &profile);
0e70f97f
SA		 292 if (retval)
293 return retval;
294
295 if (profile >= 5)
296 return -EINVAL;
297
298 mutex_lock(&kovaplus->kovaplus_lock);
299 retval = kovaplus_set_actual_profile(usb_dev, profile);
6b9a57b9
SA		 300 if (retval) {
301 mutex_unlock(&kovaplus->kovaplus_lock);
302 return retval;
303 }
304
901e64db 305 kovaplus_profile_activated(kovaplus, profile);
6b9a57b9
SA		 306
307 roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1;
308 roccat_report.profile = profile + 1;
309 roccat_report.button = 0;
310 roccat_report.data1 = profile + 1;
311 roccat_report.data2 = 0;
312 roccat_report_event(kovaplus->chrdev_minor,
313 (uint8_t const *)&roccat_report);
314
0e70f97f 315 mutex_unlock(&kovaplus->kovaplus_lock);
0e70f97f
SA		 316
317 return size;
318}
46a58c44
GKH		 319static DEVICE_ATTR(actual_profile, 0660,
320 kovaplus_sysfs_show_actual_profile,
321 kovaplus_sysfs_set_actual_profile);
0e70f97f
SA		 322
323static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev,
324 struct device_attribute *attr, char *buf)
325{
326 struct kovaplus_device *kovaplus =
327 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
328 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi);
329}
46a58c44 330static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL);
0e70f97f
SA		 331
332static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev,
333 struct device_attribute *attr, char *buf)
334{
335 struct kovaplus_device *kovaplus =
336 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
337 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity);
338}
46a58c44
GKH		 339static DEVICE_ATTR(actual_sensitivity_x, 0440,
340 kovaplus_sysfs_show_actual_sensitivity_x, NULL);
0e70f97f
SA		 341
342static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev,
343 struct device_attribute *attr, char *buf)
344{
345 struct kovaplus_device *kovaplus =
346 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
347 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity);
348}
46a58c44
GKH		 349static DEVICE_ATTR(actual_sensitivity_y, 0440,
350 kovaplus_sysfs_show_actual_sensitivity_y, NULL);
0e70f97f
SA		 351
352static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
353 struct device_attribute *attr, char *buf)
354{
94a8fcf9
SA		 355 struct kovaplus_device *kovaplus;
356 struct usb_device *usb_dev;
357 struct kovaplus_info info;
358
359 dev = dev->parent->parent;
360 kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
361 usb_dev = interface_to_usbdev(to_usb_interface(dev));
362
363 mutex_lock(&kovaplus->kovaplus_lock);
364 roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
365 &info, KOVAPLUS_SIZE_INFO);
366 mutex_unlock(&kovaplus->kovaplus_lock);
367
368 return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
0e70f97f 369}
46a58c44
GKH		 370static DEVICE_ATTR(firmware_version, 0440,
371 kovaplus_sysfs_show_firmware_version, NULL);
0e70f97f 372
46a58c44
GKH		 373static struct attribute *kovaplus_attrs[] = {
374 &dev_attr_actual_cpi.attr,
375 &dev_attr_firmware_version.attr,
376 &dev_attr_actual_profile.attr,
377 &dev_attr_actual_sensitivity_x.attr,
378 &dev_attr_actual_sensitivity_y.attr,
379 NULL,
0e70f97f 380};
975b53cc
GKH		 381
382static struct bin_attribute *kovaplus_bin_attributes[] = {
383 &bin_attr_control,
384 &bin_attr_info,
385 &bin_attr_profile_settings,
386 &bin_attr_profile_buttons,
387 &bin_attr_profile1_settings,
388 &bin_attr_profile2_settings,
389 &bin_attr_profile3_settings,
390 &bin_attr_profile4_settings,
391 &bin_attr_profile5_settings,
392 &bin_attr_profile1_buttons,
393 &bin_attr_profile2_buttons,
394 &bin_attr_profile3_buttons,
395 &bin_attr_profile4_buttons,
396 &bin_attr_profile5_buttons,
397 NULL,
398};
399
400static const struct attribute_group kovaplus_group = {
401 .attrs = kovaplus_attrs,
402 .bin_attrs = kovaplus_bin_attributes,
403};
404
405static const struct attribute_group *kovaplus_groups[] = {
406 &kovaplus_group,
407 NULL,
0e70f97f
SA		 408};
409
afdf5dd3
IO		 410static const struct class kovaplus_class = {
411 .name = "kovaplus",
412 .dev_groups = kovaplus_groups,
413};
414
0e70f97f
SA		 415static 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
0e70f97f
SA		 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
446static 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
afdf5dd3
IO		 469 retval = roccat_connect(&kovaplus_class, hdev,
470 sizeof(struct kovaplus_roccat_report));
0e70f97f
SA		 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;
483exit_free:
484 kfree(kovaplus);
485 return retval;
486}
487
488static 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
502static int kovaplus_probe(struct hid_device *hdev,
503 const struct hid_device_id *id)
504{
505 int retval;
506
93020953
GKH		 507 if (!hid_is_usb(hdev))
508 return -EINVAL;
509
0e70f97f
SA		 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
530exit_stop:
531 hid_hw_stop(hdev);
532exit:
533 return retval;
534}
535
536static void kovaplus_remove(struct hid_device *hdev)
537{
538 kovaplus_remove_specials(hdev);
539 hid_hw_stop(hdev);
540}
541
542static 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);
7be63f20 558 break;
0e70f97f
SA		 559 case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY:
560 kovaplus->actual_x_sensitivity = button_report->data1;
561 kovaplus->actual_y_sensitivity = button_report->data2;
7be63f20
SA		 562 break;
563 default:
564 break;
0e70f97f
SA		 565 }
566}
567
568static 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,
8211e460 601 (uint8_t const *)&roccat_report);
0e70f97f
SA		 602}
603
604static 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
901e64db
SA		 614 if (kovaplus == NULL)
615 return 0;
616
0e70f97f
SA		 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
625static const struct hid_device_id kovaplus_devices[] = {
626 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
627 { }
628};
629
630MODULE_DEVICE_TABLE(hid, kovaplus_devices);
631
632static 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
640static int __init kovaplus_init(void)
641{
642 int retval;
643
afdf5dd3
IO		 644 retval = class_register(&kovaplus_class);
645 if (retval)
646 return retval;
0e70f97f
SA		 647
648 retval = hid_register_driver(&kovaplus_driver);
649 if (retval)
afdf5dd3 650 class_unregister(&kovaplus_class);
0e70f97f
SA		 651 return retval;
652}
653
654static void __exit kovaplus_exit(void)
655{
0e70f97f 656 hid_unregister_driver(&kovaplus_driver);
afdf5dd3 657 class_unregister(&kovaplus_class);
0e70f97f
SA		 658}
659
660module_init(kovaplus_init);
661module_exit(kovaplus_exit);
662
663MODULE_AUTHOR("Stefan Achatz");
664MODULE_DESCRIPTION("USB Roccat Kova[+] driver");
665MODULE_LICENSE("GPL v2");
Linux 6.x block layer and io_uring tree(s)