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20#include <linux/device.h>
21#include <linux/input.h>
22#include <linux/hid.h>
23#include <linux/module.h>
24#include <linux/slab.h>
25#include <linux/hid-roccat.h>
26#include "hid-ids.h"
27#include "hid-roccat-common.h"
28#include "hid-roccat-koneplus.h"
29
30static uint profile_numbers[5] = {0, 1, 2, 3, 4};
31
32static struct class *koneplus_class;
33
34static void koneplus_profile_activated(struct koneplus_device *koneplus,
35 uint new_profile)
36{
37 koneplus->actual_profile = new_profile;
38}
39
40static int koneplus_send_control(struct usb_device *usb_dev, uint value,
41 enum koneplus_control_requests request)
42{
43 struct roccat_common2_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.command = ROCCAT_COMMON_COMMAND_CONTROL;
51 control.value = value;
52 control.request = request;
53
54 return roccat_common2_send_with_status(usb_dev,
55 ROCCAT_COMMON_COMMAND_CONTROL,
56 &control, sizeof(struct roccat_common2_control));
57}
58
59
60
61static int koneplus_get_actual_profile(struct usb_device *usb_dev)
62{
63 struct koneplus_actual_profile buf;
64 int retval;
65
66 retval = roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_ACTUAL_PROFILE,
67 &buf, KONEPLUS_SIZE_ACTUAL_PROFILE);
68
69 return retval ? retval : buf.actual_profile;
70}
71
72static int koneplus_set_actual_profile(struct usb_device *usb_dev,
73 int new_profile)
74{
75 struct koneplus_actual_profile buf;
76
77 buf.command = KONEPLUS_COMMAND_ACTUAL_PROFILE;
78 buf.size = KONEPLUS_SIZE_ACTUAL_PROFILE;
79 buf.actual_profile = new_profile;
80
81 return roccat_common2_send_with_status(usb_dev,
82 KONEPLUS_COMMAND_ACTUAL_PROFILE,
83 &buf, KONEPLUS_SIZE_ACTUAL_PROFILE);
84}
85
86static ssize_t koneplus_sysfs_read(struct file *fp, struct kobject *kobj,
87 char *buf, loff_t off, size_t count,
88 size_t real_size, uint command)
89{
90 struct device *dev =
91 container_of(kobj, struct device, kobj)->parent->parent;
92 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
93 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
94 int retval;
95
96 if (off >= real_size)
97 return 0;
98
99 if (off != 0 || count != real_size)
100 return -EINVAL;
101
102 mutex_lock(&koneplus->koneplus_lock);
103 retval = roccat_common2_receive(usb_dev, command, buf, real_size);
104 mutex_unlock(&koneplus->koneplus_lock);
105
106 if (retval)
107 return retval;
108
109 return real_size;
110}
111
112static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj,
113 void const *buf, loff_t off, size_t count,
114 size_t real_size, uint command)
115{
116 struct device *dev =
117 container_of(kobj, struct device, kobj)->parent->parent;
118 struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
119 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
120 int retval;
121
122 if (off != 0 || count != real_size)
123 return -EINVAL;
124
125 mutex_lock(&koneplus->koneplus_lock);
126 retval = roccat_common2_send_with_status(usb_dev, command,
127 buf, real_size);
128 mutex_unlock(&koneplus->koneplus_lock);
129
130 if (retval)
131 return retval;
132
133 return real_size;
134}
135
136#define KONEPLUS_SYSFS_W(thingy, THINGY) \
137static ssize_t koneplus_sysfs_write_ ## thingy(struct file *fp, \
138 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
139 loff_t off, size_t count) \
140{ \
141 return koneplus_sysfs_write(fp, kobj, buf, off, count, \
142 KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
143}
144
145#define KONEPLUS_SYSFS_R(thingy, THINGY) \
146static ssize_t koneplus_sysfs_read_ ## thingy(struct file *fp, \
147 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
148 loff_t off, size_t count) \
149{ \
150 return koneplus_sysfs_read(fp, kobj, buf, off, count, \
151 KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
152}
153
154#define KONEPLUS_SYSFS_RW(thingy, THINGY) \
155KONEPLUS_SYSFS_W(thingy, THINGY) \
156KONEPLUS_SYSFS_R(thingy, THINGY)
157
158#define KONEPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
159{ \
160 .attr = { .name = #thingy, .mode = 0660 }, \
161 .size = KONEPLUS_SIZE_ ## THINGY, \
162 .read = koneplus_sysfs_read_ ## thingy, \
163 .write = koneplus_sysfs_write_ ## thingy \
164}
165
166#define KONEPLUS_BIN_ATTRIBUTE_R(thingy, THINGY) \
167{ \
168 .attr = { .name = #thingy, .mode = 0440 }, \
169 .size = KONEPLUS_SIZE_ ## THINGY, \
170 .read = koneplus_sysfs_read_ ## thingy, \
171}
172
173#define KONEPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
174{ \
175 .attr = { .name = #thingy, .mode = 0220 }, \
176 .size = KONEPLUS_SIZE_ ## THINGY, \
177 .write = koneplus_sysfs_write_ ## thingy \
178}
179
180KONEPLUS_SYSFS_W(control, CONTROL)
181KONEPLUS_SYSFS_RW(info, INFO)
182KONEPLUS_SYSFS_W(talk, TALK)
183KONEPLUS_SYSFS_W(macro, MACRO)
184KONEPLUS_SYSFS_RW(sensor, SENSOR)
185KONEPLUS_SYSFS_RW(tcu, TCU)
186KONEPLUS_SYSFS_R(tcu_image, TCU_IMAGE)
187KONEPLUS_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
188KONEPLUS_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
189
190static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp,
191 struct kobject *kobj, struct bin_attribute *attr, char *buf,
192 loff_t off, size_t count)
193{
194 struct device *dev =
195 container_of(kobj, struct device, kobj)->parent->parent;
196 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
197 ssize_t retval;
198
199 retval = koneplus_send_control(usb_dev, *(uint *)(attr->private),
200 KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
201 if (retval)
202 return retval;
203
204 return koneplus_sysfs_read(fp, kobj, buf, off, count,
205 KONEPLUS_SIZE_PROFILE_SETTINGS,
206 KONEPLUS_COMMAND_PROFILE_SETTINGS);
207}
208
209static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp,
210 struct kobject *kobj, struct bin_attribute *attr, char *buf,
211 loff_t off, size_t count)
212{
213 struct device *dev =
214 container_of(kobj, struct device, kobj)->parent->parent;
215 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
216 ssize_t retval;
217
218 retval = koneplus_send_control(usb_dev, *(uint *)(attr->private),
219 KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
220 if (retval)
221 return retval;
222
223 return koneplus_sysfs_read(fp, kobj, buf, off, count,
224 KONEPLUS_SIZE_PROFILE_BUTTONS,
225 KONEPLUS_COMMAND_PROFILE_BUTTONS);
226}
227
228static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev,
229 struct device_attribute *attr, char *buf)
230{
231 struct koneplus_device *koneplus =
232 hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
233 return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->actual_profile);
234}
235
236static ssize_t koneplus_sysfs_set_actual_profile(struct device *dev,
237 struct device_attribute *attr, char const *buf, size_t size)
238{
239 struct koneplus_device *koneplus;
240 struct usb_device *usb_dev;
241 unsigned long profile;
242 int retval;
243 struct koneplus_roccat_report roccat_report;
244
245 dev = dev->parent->parent;
246 koneplus = hid_get_drvdata(dev_get_drvdata(dev));
247 usb_dev = interface_to_usbdev(to_usb_interface(dev));
248
249 retval = strict_strtoul(buf, 10, &profile);
250 if (retval)
251 return retval;
252
253 if (profile > 4)
254 return -EINVAL;
255
256 mutex_lock(&koneplus->koneplus_lock);
257
258 retval = koneplus_set_actual_profile(usb_dev, profile);
259 if (retval) {
260 mutex_unlock(&koneplus->koneplus_lock);
261 return retval;
262 }
263
264 koneplus_profile_activated(koneplus, profile);
265
266 roccat_report.type = KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE;
267 roccat_report.data1 = profile + 1;
268 roccat_report.data2 = 0;
269 roccat_report.profile = profile + 1;
270 roccat_report_event(koneplus->chrdev_minor,
271 (uint8_t const *)&roccat_report);
272
273 mutex_unlock(&koneplus->koneplus_lock);
274
275 return size;
276}
277
278static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev,
279 struct device_attribute *attr, char *buf)
280{
281 struct koneplus_device *koneplus;
282 struct usb_device *usb_dev;
283 struct koneplus_info info;
284
285 dev = dev->parent->parent;
286 koneplus = hid_get_drvdata(dev_get_drvdata(dev));
287 usb_dev = interface_to_usbdev(to_usb_interface(dev));
288
289 mutex_lock(&koneplus->koneplus_lock);
290 roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_INFO,
291 &info, KONEPLUS_SIZE_INFO);
292 mutex_unlock(&koneplus->koneplus_lock);
293
294 return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
295}
296
297static struct device_attribute koneplus_attributes[] = {
298 __ATTR(actual_profile, 0660,
299 koneplus_sysfs_show_actual_profile,
300 koneplus_sysfs_set_actual_profile),
301 __ATTR(startup_profile, 0660,
302 koneplus_sysfs_show_actual_profile,
303 koneplus_sysfs_set_actual_profile),
304 __ATTR(firmware_version, 0440,
305 koneplus_sysfs_show_firmware_version, NULL),
306 __ATTR_NULL
307};
308
309static struct bin_attribute koneplus_bin_attributes[] = {
310 KONEPLUS_BIN_ATTRIBUTE_W(control, CONTROL),
311 KONEPLUS_BIN_ATTRIBUTE_RW(info, INFO),
312 KONEPLUS_BIN_ATTRIBUTE_W(talk, TALK),
313 KONEPLUS_BIN_ATTRIBUTE_W(macro, MACRO),
314 KONEPLUS_BIN_ATTRIBUTE_RW(sensor, SENSOR),
315 KONEPLUS_BIN_ATTRIBUTE_RW(tcu, TCU),
316 KONEPLUS_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE),
317 KONEPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
318 KONEPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
319 {
320 .attr = { .name = "profile1_settings", .mode = 0440 },
321 .size = KONEPLUS_SIZE_PROFILE_SETTINGS,
322 .read = koneplus_sysfs_read_profilex_settings,
323 .private = &profile_numbers[0]
324 },
325 {
326 .attr = { .name = "profile2_settings", .mode = 0440 },
327 .size = KONEPLUS_SIZE_PROFILE_SETTINGS,
328 .read = koneplus_sysfs_read_profilex_settings,
329 .private = &profile_numbers[1]
330 },
331 {
332 .attr = { .name = "profile3_settings", .mode = 0440 },
333 .size = KONEPLUS_SIZE_PROFILE_SETTINGS,
334 .read = koneplus_sysfs_read_profilex_settings,
335 .private = &profile_numbers[2]
336 },
337 {
338 .attr = { .name = "profile4_settings", .mode = 0440 },
339 .size = KONEPLUS_SIZE_PROFILE_SETTINGS,
340 .read = koneplus_sysfs_read_profilex_settings,
341 .private = &profile_numbers[3]
342 },
343 {
344 .attr = { .name = "profile5_settings", .mode = 0440 },
345 .size = KONEPLUS_SIZE_PROFILE_SETTINGS,
346 .read = koneplus_sysfs_read_profilex_settings,
347 .private = &profile_numbers[4]
348 },
349 {
350 .attr = { .name = "profile1_buttons", .mode = 0440 },
351 .size = KONEPLUS_SIZE_PROFILE_BUTTONS,
352 .read = koneplus_sysfs_read_profilex_buttons,
353 .private = &profile_numbers[0]
354 },
355 {
356 .attr = { .name = "profile2_buttons", .mode = 0440 },
357 .size = KONEPLUS_SIZE_PROFILE_BUTTONS,
358 .read = koneplus_sysfs_read_profilex_buttons,
359 .private = &profile_numbers[1]
360 },
361 {
362 .attr = { .name = "profile3_buttons", .mode = 0440 },
363 .size = KONEPLUS_SIZE_PROFILE_BUTTONS,
364 .read = koneplus_sysfs_read_profilex_buttons,
365 .private = &profile_numbers[2]
366 },
367 {
368 .attr = { .name = "profile4_buttons", .mode = 0440 },
369 .size = KONEPLUS_SIZE_PROFILE_BUTTONS,
370 .read = koneplus_sysfs_read_profilex_buttons,
371 .private = &profile_numbers[3]
372 },
373 {
374 .attr = { .name = "profile5_buttons", .mode = 0440 },
375 .size = KONEPLUS_SIZE_PROFILE_BUTTONS,
376 .read = koneplus_sysfs_read_profilex_buttons,
377 .private = &profile_numbers[4]
378 },
379 __ATTR_NULL
380};
381
382static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev,
383 struct koneplus_device *koneplus)
384{
385 int retval;
386
387 mutex_init(&koneplus->koneplus_lock);
388
389 retval = koneplus_get_actual_profile(usb_dev);
390 if (retval < 0)
391 return retval;
392 koneplus_profile_activated(koneplus, retval);
393
394 return 0;
395}
396
397static int koneplus_init_specials(struct hid_device *hdev)
398{
399 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
400 struct usb_device *usb_dev = interface_to_usbdev(intf);
401 struct koneplus_device *koneplus;
402 int retval;
403
404 if (intf->cur_altsetting->desc.bInterfaceProtocol
405 == USB_INTERFACE_PROTOCOL_MOUSE) {
406
407 koneplus = kzalloc(sizeof(*koneplus), GFP_KERNEL);
408 if (!koneplus) {
409 hid_err(hdev, "can't alloc device descriptor\n");
410 return -ENOMEM;
411 }
412 hid_set_drvdata(hdev, koneplus);
413
414 retval = koneplus_init_koneplus_device_struct(usb_dev, koneplus);
415 if (retval) {
416 hid_err(hdev, "couldn't init struct koneplus_device\n");
417 goto exit_free;
418 }
419
420 retval = roccat_connect(koneplus_class, hdev,
421 sizeof(struct koneplus_roccat_report));
422 if (retval < 0) {
423 hid_err(hdev, "couldn't init char dev\n");
424 } else {
425 koneplus->chrdev_minor = retval;
426 koneplus->roccat_claimed = 1;
427 }
428 } else {
429 hid_set_drvdata(hdev, NULL);
430 }
431
432 return 0;
433exit_free:
434 kfree(koneplus);
435 return retval;
436}
437
438static void koneplus_remove_specials(struct hid_device *hdev)
439{
440 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
441 struct koneplus_device *koneplus;
442
443 if (intf->cur_altsetting->desc.bInterfaceProtocol
444 == USB_INTERFACE_PROTOCOL_MOUSE) {
445 koneplus = hid_get_drvdata(hdev);
446 if (koneplus->roccat_claimed)
447 roccat_disconnect(koneplus->chrdev_minor);
448 kfree(koneplus);
449 }
450}
451
452static int koneplus_probe(struct hid_device *hdev,
453 const struct hid_device_id *id)
454{
455 int retval;
456
457 retval = hid_parse(hdev);
458 if (retval) {
459 hid_err(hdev, "parse failed\n");
460 goto exit;
461 }
462
463 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
464 if (retval) {
465 hid_err(hdev, "hw start failed\n");
466 goto exit;
467 }
468
469 retval = koneplus_init_specials(hdev);
470 if (retval) {
471 hid_err(hdev, "couldn't install mouse\n");
472 goto exit_stop;
473 }
474
475 return 0;
476
477exit_stop:
478 hid_hw_stop(hdev);
479exit:
480 return retval;
481}
482
483static void koneplus_remove(struct hid_device *hdev)
484{
485 koneplus_remove_specials(hdev);
486 hid_hw_stop(hdev);
487}
488
489static void koneplus_keep_values_up_to_date(struct koneplus_device *koneplus,
490 u8 const *data)
491{
492 struct koneplus_mouse_report_button const *button_report;
493
494 switch (data[0]) {
495 case KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON:
496 button_report = (struct koneplus_mouse_report_button const *)data;
497 switch (button_report->type) {
498 case KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE:
499 koneplus_profile_activated(koneplus, button_report->data1 - 1);
500 break;
501 }
502 break;
503 }
504}
505
506static void koneplus_report_to_chrdev(struct koneplus_device const *koneplus,
507 u8 const *data)
508{
509 struct koneplus_roccat_report roccat_report;
510 struct koneplus_mouse_report_button const *button_report;
511
512 if (data[0] != KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON)
513 return;
514
515 button_report = (struct koneplus_mouse_report_button const *)data;
516
517 if ((button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH ||
518 button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) &&
519 button_report->data2 != KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS)
520 return;
521
522 roccat_report.type = button_report->type;
523 roccat_report.data1 = button_report->data1;
524 roccat_report.data2 = button_report->data2;
525 roccat_report.profile = koneplus->actual_profile + 1;
526 roccat_report_event(koneplus->chrdev_minor,
527 (uint8_t const *)&roccat_report);
528}
529
530static int koneplus_raw_event(struct hid_device *hdev,
531 struct hid_report *report, u8 *data, int size)
532{
533 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
534 struct koneplus_device *koneplus = hid_get_drvdata(hdev);
535
536 if (intf->cur_altsetting->desc.bInterfaceProtocol
537 != USB_INTERFACE_PROTOCOL_MOUSE)
538 return 0;
539
540 if (koneplus == NULL)
541 return 0;
542
543 koneplus_keep_values_up_to_date(koneplus, data);
544
545 if (koneplus->roccat_claimed)
546 koneplus_report_to_chrdev(koneplus, data);
547
548 return 0;
549}
550
551static const struct hid_device_id koneplus_devices[] = {
552 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
553 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
554 { }
555};
556
557MODULE_DEVICE_TABLE(hid, koneplus_devices);
558
559static struct hid_driver koneplus_driver = {
560 .name = "koneplus",
561 .id_table = koneplus_devices,
562 .probe = koneplus_probe,
563 .remove = koneplus_remove,
564 .raw_event = koneplus_raw_event
565};
566
567static int __init koneplus_init(void)
568{
569 int retval;
570
571
572 koneplus_class = class_create(THIS_MODULE, "koneplus");
573 if (IS_ERR(koneplus_class))
574 return PTR_ERR(koneplus_class);
575 koneplus_class->dev_attrs = koneplus_attributes;
576 koneplus_class->dev_bin_attrs = koneplus_bin_attributes;
577
578 retval = hid_register_driver(&koneplus_driver);
579 if (retval)
580 class_destroy(koneplus_class);
581 return retval;
582}
583
584static void __exit koneplus_exit(void)
585{
586 hid_unregister_driver(&koneplus_driver);
587 class_destroy(koneplus_class);
588}
589
590module_init(koneplus_init);
591module_exit(koneplus_exit);
592
593MODULE_AUTHOR("Stefan Achatz");
594MODULE_DESCRIPTION("USB Roccat Kone[+]/XTD driver");
595MODULE_LICENSE("GPL v2");
596
