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Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
[linux-2.6-block.git] / drivers / hid / hid-roccat-kovaplus.c
CommitLineData
0e70f97f
SA		 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>
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;
7392d73b 50 struct roccat_common2_control control;
0e70f97f
SA		 51
52 if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS ||
53 request == KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&
54 value > 4)
55 return -EINVAL;
56
4728f2dc 57 control.command = ROCCAT_COMMON_COMMAND_CONTROL;
0e70f97f
SA		 58 control.value = value;
59 control.request = request;
60
7392d73b
SA		 61 retval = roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL,
62 &control, sizeof(struct roccat_common2_control));
0e70f97f
SA		 63
64 return retval;
65}
66
0e70f97f
SA		 67static int kovaplus_select_profile(struct usb_device *usb_dev, uint number,
68 enum kovaplus_control_requests request)
69{
70 return kovaplus_send_control(usb_dev, number, request);
71}
72
0e70f97f
SA		 73static int kovaplus_get_profile_settings(struct usb_device *usb_dev,
74 struct kovaplus_profile_settings *buf, uint number)
75{
76 int retval;
77
78 retval = kovaplus_select_profile(usb_dev, number,
79 KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
80 if (retval)
81 return retval;
82
7392d73b 83 return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS,
94a8fcf9 84 buf, KOVAPLUS_SIZE_PROFILE_SETTINGS);
0e70f97f
SA		 85}
86
87static int kovaplus_get_profile_buttons(struct usb_device *usb_dev,
88 struct kovaplus_profile_buttons *buf, int number)
89{
90 int retval;
91
92 retval = kovaplus_select_profile(usb_dev, number,
93 KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
94 if (retval)
95 return retval;
96
7392d73b 97 return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS,
94a8fcf9 98 buf, KOVAPLUS_SIZE_PROFILE_BUTTONS);
0e70f97f
SA		 99}
100
101/* retval is 0-4 on success, < 0 on error */
102static int kovaplus_get_actual_profile(struct usb_device *usb_dev)
103{
104 struct kovaplus_actual_profile buf;
105 int retval;
106
7392d73b 107 retval = roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE,
0e70f97f
SA		 108 &buf, sizeof(struct kovaplus_actual_profile));
109
110 return retval ? retval : buf.actual_profile;
111}
112
113static int kovaplus_set_actual_profile(struct usb_device *usb_dev,
114 int new_profile)
115{
116 struct kovaplus_actual_profile buf;
117
118 buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE;
119 buf.size = sizeof(struct kovaplus_actual_profile);
120 buf.actual_profile = new_profile;
121
7392d73b 122 return roccat_common2_send_with_status(usb_dev,
4728f2dc 123 KOVAPLUS_COMMAND_ACTUAL_PROFILE,
0e70f97f
SA		 124 &buf, sizeof(struct kovaplus_actual_profile));
125}
126
94a8fcf9
SA		 127static ssize_t kovaplus_sysfs_read(struct file *fp, struct kobject *kobj,
128 char *buf, loff_t off, size_t count,
129 size_t real_size, uint command)
0e70f97f
SA		 130{
131 struct device *dev =
132 container_of(kobj, struct device, kobj)->parent->parent;
133 struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
94a8fcf9
SA		 134 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
135 int retval;
0e70f97f 136
94a8fcf9 137 if (off >= real_size)
0e70f97f
SA		 138 return 0;
139
94a8fcf9
SA		 140 if (off != 0 || count != real_size)
141 return -EINVAL;
0e70f97f
SA		 142
143 mutex_lock(&kovaplus->kovaplus_lock);
94a8fcf9 144 retval = roccat_common2_receive(usb_dev, command, buf, real_size);
0e70f97f
SA		 145 mutex_unlock(&kovaplus->kovaplus_lock);
146
94a8fcf9
SA		 147 if (retval)
148 return retval;
149
150 return real_size;
0e70f97f
SA		 151}
152
94a8fcf9
SA		 153static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj,
154 void const *buf, loff_t off, size_t count,
155 size_t real_size, uint command)
0e70f97f
SA		 156{
157 struct device *dev =
158 container_of(kobj, struct device, 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));
94a8fcf9 161 int retval;
0e70f97f 162
94a8fcf9 163 if (off != 0 || count != real_size)
0e70f97f
SA		 164 return -EINVAL;
165
0e70f97f 166 mutex_lock(&kovaplus->kovaplus_lock);
94a8fcf9
SA		 167 retval = roccat_common2_send_with_status(usb_dev, command,
168 buf, real_size);
0e70f97f
SA		 169 mutex_unlock(&kovaplus->kovaplus_lock);
170
171 if (retval)
172 return retval;
173
94a8fcf9 174 return real_size;
0e70f97f
SA		 175}
176
94a8fcf9
SA		 177#define KOVAPLUS_SYSFS_W(thingy, THINGY) \
178static 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}
0e70f97f 185
94a8fcf9
SA		 186#define KOVAPLUS_SYSFS_R(thingy, THINGY) \
187static 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}
0e70f97f 194
94a8fcf9
SA		 195#define KOVAPLUS_SYSFS_RW(thingy, THINGY) \
196KOVAPLUS_SYSFS_W(thingy, THINGY) \
197KOVAPLUS_SYSFS_R(thingy, THINGY)
0e70f97f 198
94a8fcf9 199#define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
975b53cc
GKH		 200KOVAPLUS_SYSFS_RW(thingy, THINGY); \
201static struct bin_attribute bin_attr_##thingy = { \
94a8fcf9
SA		 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
94a8fcf9 208#define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
975b53cc
GKH		 209KOVAPLUS_SYSFS_W(thingy, THINGY); \
210static struct bin_attribute bin_attr_##thingy = { \
94a8fcf9
SA		 211 .attr = { .name = #thingy, .mode = 0220 }, \
212 .size = KOVAPLUS_SIZE_ ## THINGY, \
213 .write = kovaplus_sysfs_write_ ## thingy \
0e70f97f 214}
975b53cc
GKH		 215KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL);
216KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO);
217KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
218KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
94a8fcf9
SA		 219
220static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
0e70f97f
SA		 221 struct kobject *kobj, struct bin_attribute *attr, char *buf,
222 loff_t off, size_t count)
223{
224 struct device *dev =
225 container_of(kobj, struct device, kobj)->parent->parent;
0e70f97f 226 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
94a8fcf9 227 ssize_t retval;
0e70f97f 228
94a8fcf9
SA		 229 retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
230 KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
231 if (retval)
232 return retval;
0e70f97f 233
94a8fcf9
SA		 234 return kovaplus_sysfs_read(fp, kobj, buf, off, count,
235 KOVAPLUS_SIZE_PROFILE_SETTINGS,
236 KOVAPLUS_COMMAND_PROFILE_SETTINGS);
237}
0e70f97f 238
94a8fcf9
SA		 239static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
240 struct kobject *kobj, struct bin_attribute *attr, char *buf,
241 loff_t off, size_t count)
242{
243 struct device *dev =
244 container_of(kobj, struct device, kobj)->parent->parent;
245 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
246 ssize_t retval;
0e70f97f 247
94a8fcf9
SA		 248 retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
249 KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
0e70f97f
SA		 250 if (retval)
251 return retval;
252
94a8fcf9
SA		 253 return kovaplus_sysfs_read(fp, kobj, buf, off, count,
254 KOVAPLUS_SIZE_PROFILE_BUTTONS,
255 KOVAPLUS_COMMAND_PROFILE_BUTTONS);
0e70f97f
SA		 256}
257
975b53cc
GKH		 258#define PROFILE_ATTR(number) \
259static struct bin_attribute bin_attr_profile##number##_settings = { \
550dbf47 260 .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \
975b53cc
GKH		 261 .size = KOVAPLUS_SIZE_PROFILE_SETTINGS, \
262 .read = kovaplus_sysfs_read_profilex_settings, \
263 .private = &profile_numbers[number-1], \
264}; \
265static struct bin_attribute bin_attr_profile##number##_buttons = { \
550dbf47 266 .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \
975b53cc
GKH		 267 .size = KOVAPLUS_SIZE_PROFILE_BUTTONS, \
268 .read = kovaplus_sysfs_read_profilex_buttons, \
269 .private = &profile_numbers[number-1], \
270};
271PROFILE_ATTR(1);
272PROFILE_ATTR(2);
273PROFILE_ATTR(3);
274PROFILE_ATTR(4);
275PROFILE_ATTR(5);
276
0e70f97f
SA		 277static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev,
278 struct device_attribute *attr, char *buf)
279{
280 struct kovaplus_device *kovaplus =
281 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
282 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile);
283}
284
285static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev,
286 struct device_attribute *attr, char const *buf, size_t size)
287{
288 struct kovaplus_device *kovaplus;
289 struct usb_device *usb_dev;
290 unsigned long profile;
291 int retval;
6b9a57b9 292 struct kovaplus_roccat_report roccat_report;
0e70f97f
SA		 293
294 dev = dev->parent->parent;
295 kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
296 usb_dev = interface_to_usbdev(to_usb_interface(dev));
297
dfc450b5 298 retval = kstrtoul(buf, 10, &profile);
0e70f97f
SA		 299 if (retval)
300 return retval;
301
302 if (profile >= 5)
303 return -EINVAL;
304
305 mutex_lock(&kovaplus->kovaplus_lock);
306 retval = kovaplus_set_actual_profile(usb_dev, profile);
6b9a57b9
SA		 307 if (retval) {
308 mutex_unlock(&kovaplus->kovaplus_lock);
309 return retval;
310 }
311
901e64db 312 kovaplus_profile_activated(kovaplus, profile);
6b9a57b9
SA		 313
314 roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1;
315 roccat_report.profile = profile + 1;
316 roccat_report.button = 0;
317 roccat_report.data1 = profile + 1;
318 roccat_report.data2 = 0;
319 roccat_report_event(kovaplus->chrdev_minor,
320 (uint8_t const *)&roccat_report);
321
0e70f97f 322 mutex_unlock(&kovaplus->kovaplus_lock);
0e70f97f
SA		 323
324 return size;
325}
46a58c44
GKH		 326static DEVICE_ATTR(actual_profile, 0660,
327 kovaplus_sysfs_show_actual_profile,
328 kovaplus_sysfs_set_actual_profile);
0e70f97f
SA		 329
330static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev,
331 struct device_attribute *attr, char *buf)
332{
333 struct kovaplus_device *kovaplus =
334 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
335 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi);
336}
46a58c44 337static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL);
0e70f97f
SA		 338
339static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev,
340 struct device_attribute *attr, char *buf)
341{
342 struct kovaplus_device *kovaplus =
343 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
344 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity);
345}
46a58c44
GKH		 346static DEVICE_ATTR(actual_sensitivity_x, 0440,
347 kovaplus_sysfs_show_actual_sensitivity_x, NULL);
0e70f97f
SA		 348
349static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev,
350 struct device_attribute *attr, char *buf)
351{
352 struct kovaplus_device *kovaplus =
353 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
354 return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity);
355}
46a58c44
GKH		 356static DEVICE_ATTR(actual_sensitivity_y, 0440,
357 kovaplus_sysfs_show_actual_sensitivity_y, NULL);
0e70f97f
SA		 358
359static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
360 struct device_attribute *attr, char *buf)
361{
94a8fcf9
SA		 362 struct kovaplus_device *kovaplus;
363 struct usb_device *usb_dev;
364 struct kovaplus_info info;
365
366 dev = dev->parent->parent;
367 kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
368 usb_dev = interface_to_usbdev(to_usb_interface(dev));
369
370 mutex_lock(&kovaplus->kovaplus_lock);
371 roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
372 &info, KOVAPLUS_SIZE_INFO);
373 mutex_unlock(&kovaplus->kovaplus_lock);
374
375 return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
0e70f97f 376}
46a58c44
GKH		 377static DEVICE_ATTR(firmware_version, 0440,
378 kovaplus_sysfs_show_firmware_version, NULL);
0e70f97f 379
46a58c44
GKH		 380static struct attribute *kovaplus_attrs[] = {
381 &dev_attr_actual_cpi.attr,
382 &dev_attr_firmware_version.attr,
383 &dev_attr_actual_profile.attr,
384 &dev_attr_actual_sensitivity_x.attr,
385 &dev_attr_actual_sensitivity_y.attr,
386 NULL,
0e70f97f 387};
975b53cc
GKH		 388
389static struct bin_attribute *kovaplus_bin_attributes[] = {
390 &bin_attr_control,
391 &bin_attr_info,
392 &bin_attr_profile_settings,
393 &bin_attr_profile_buttons,
394 &bin_attr_profile1_settings,
395 &bin_attr_profile2_settings,
396 &bin_attr_profile3_settings,
397 &bin_attr_profile4_settings,
398 &bin_attr_profile5_settings,
399 &bin_attr_profile1_buttons,
400 &bin_attr_profile2_buttons,
401 &bin_attr_profile3_buttons,
402 &bin_attr_profile4_buttons,
403 &bin_attr_profile5_buttons,
404 NULL,
405};
406
407static const struct attribute_group kovaplus_group = {
408 .attrs = kovaplus_attrs,
409 .bin_attrs = kovaplus_bin_attributes,
410};
411
412static const struct attribute_group *kovaplus_groups[] = {
413 &kovaplus_group,
414 NULL,
0e70f97f
SA		 415};
416
417static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev,
418 struct kovaplus_device *kovaplus)
419{
420 int retval, i;
421 static uint wait = 70; /* device will freeze with just 60 */
422
423 mutex_init(&kovaplus->kovaplus_lock);
424
0e70f97f
SA		 425 for (i = 0; i < 5; ++i) {
426 msleep(wait);
427 retval = kovaplus_get_profile_settings(usb_dev,
428 &kovaplus->profile_settings[i], i);
429 if (retval)
430 return retval;
431
432 msleep(wait);
433 retval = kovaplus_get_profile_buttons(usb_dev,
434 &kovaplus->profile_buttons[i], i);
435 if (retval)
436 return retval;
437 }
438
439 msleep(wait);
440 retval = kovaplus_get_actual_profile(usb_dev);
441 if (retval < 0)
442 return retval;
443 kovaplus_profile_activated(kovaplus, retval);
444
445 return 0;
446}
447
448static int kovaplus_init_specials(struct hid_device *hdev)
449{
450 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
451 struct usb_device *usb_dev = interface_to_usbdev(intf);
452 struct kovaplus_device *kovaplus;
453 int retval;
454
455 if (intf->cur_altsetting->desc.bInterfaceProtocol
456 == USB_INTERFACE_PROTOCOL_MOUSE) {
457
458 kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL);
459 if (!kovaplus) {
460 hid_err(hdev, "can't alloc device descriptor\n");
461 return -ENOMEM;
462 }
463 hid_set_drvdata(hdev, kovaplus);
464
465 retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus);
466 if (retval) {
467 hid_err(hdev, "couldn't init struct kovaplus_device\n");
468 goto exit_free;
469 }
470
8211e460
SA		 471 retval = roccat_connect(kovaplus_class, hdev,
472 sizeof(struct kovaplus_roccat_report));
0e70f97f
SA		 473 if (retval < 0) {
474 hid_err(hdev, "couldn't init char dev\n");
475 } else {
476 kovaplus->chrdev_minor = retval;
477 kovaplus->roccat_claimed = 1;
478 }
479
480 } else {
481 hid_set_drvdata(hdev, NULL);
482 }
483
484 return 0;
485exit_free:
486 kfree(kovaplus);
487 return retval;
488}
489
490static void kovaplus_remove_specials(struct hid_device *hdev)
491{
492 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
493 struct kovaplus_device *kovaplus;
494
495 if (intf->cur_altsetting->desc.bInterfaceProtocol
496 == USB_INTERFACE_PROTOCOL_MOUSE) {
497 kovaplus = hid_get_drvdata(hdev);
498 if (kovaplus->roccat_claimed)
499 roccat_disconnect(kovaplus->chrdev_minor);
500 kfree(kovaplus);
501 }
502}
503
504static int kovaplus_probe(struct hid_device *hdev,
505 const struct hid_device_id *id)
506{
507 int retval;
508
509 retval = hid_parse(hdev);
510 if (retval) {
511 hid_err(hdev, "parse failed\n");
512 goto exit;
513 }
514
515 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
516 if (retval) {
517 hid_err(hdev, "hw start failed\n");
518 goto exit;
519 }
520
521 retval = kovaplus_init_specials(hdev);
522 if (retval) {
523 hid_err(hdev, "couldn't install mouse\n");
524 goto exit_stop;
525 }
526
527 return 0;
528
529exit_stop:
530 hid_hw_stop(hdev);
531exit:
532 return retval;
533}
534
535static void kovaplus_remove(struct hid_device *hdev)
536{
537 kovaplus_remove_specials(hdev);
538 hid_hw_stop(hdev);
539}
540
541static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus,
542 u8 const *data)
543{
544 struct kovaplus_mouse_report_button const *button_report;
545
546 if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON)
547 return;
548
549 button_report = (struct kovaplus_mouse_report_button const *)data;
550
551 switch (button_report->type) {
552 case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1:
553 kovaplus_profile_activated(kovaplus, button_report->data1 - 1);
554 break;
555 case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI:
556 kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1);
7be63f20 557 break;
0e70f97f
SA		 558 case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY:
559 kovaplus->actual_x_sensitivity = button_report->data1;
560 kovaplus->actual_y_sensitivity = button_report->data2;
7be63f20
SA		 561 break;
562 default:
563 break;
0e70f97f
SA		 564 }
565}
566
567static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus,
568 u8 const *data)
569{
570 struct kovaplus_roccat_report roccat_report;
571 struct kovaplus_mouse_report_button const *button_report;
572
573 if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON)
574 return;
575
576 button_report = (struct kovaplus_mouse_report_button const *)data;
577
578 if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2)
579 return;
580
581 roccat_report.type = button_report->type;
582 roccat_report.profile = kovaplus->actual_profile + 1;
583
584 if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO ||
585 roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT ||
586 roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH ||
587 roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER)
588 roccat_report.button = button_report->data1;
589 else
590 roccat_report.button = 0;
591
592 if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI)
593 roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1);
594 else
595 roccat_report.data1 = button_report->data1;
596
597 roccat_report.data2 = button_report->data2;
598
599 roccat_report_event(kovaplus->chrdev_minor,
8211e460 600 (uint8_t const *)&roccat_report);
0e70f97f
SA		 601}
602
603static int kovaplus_raw_event(struct hid_device *hdev,
604 struct hid_report *report, u8 *data, int size)
605{
606 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
607 struct kovaplus_device *kovaplus = hid_get_drvdata(hdev);
608
609 if (intf->cur_altsetting->desc.bInterfaceProtocol
610 != USB_INTERFACE_PROTOCOL_MOUSE)
611 return 0;
612
901e64db
SA		 613 if (kovaplus == NULL)
614 return 0;
615
0e70f97f
SA		 616 kovaplus_keep_values_up_to_date(kovaplus, data);
617
618 if (kovaplus->roccat_claimed)
619 kovaplus_report_to_chrdev(kovaplus, data);
620
621 return 0;
622}
623
624static const struct hid_device_id kovaplus_devices[] = {
625 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
626 { }
627};
628
629MODULE_DEVICE_TABLE(hid, kovaplus_devices);
630
631static struct hid_driver kovaplus_driver = {
632 .name = "kovaplus",
633 .id_table = kovaplus_devices,
634 .probe = kovaplus_probe,
635 .remove = kovaplus_remove,
636 .raw_event = kovaplus_raw_event
637};
638
639static int __init kovaplus_init(void)
640{
641 int retval;
642
643 kovaplus_class = class_create(THIS_MODULE, "kovaplus");
644 if (IS_ERR(kovaplus_class))
645 return PTR_ERR(kovaplus_class);
46a58c44 646 kovaplus_class->dev_groups = kovaplus_groups;
0e70f97f
SA		 647
648 retval = hid_register_driver(&kovaplus_driver);
649 if (retval)
650 class_destroy(kovaplus_class);
651 return retval;
652}
653
654static void __exit kovaplus_exit(void)
655{
0e70f97f 656 hid_unregister_driver(&kovaplus_driver);
74b643da 657 class_destroy(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)