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-rw-r--r--drivers/hid/hid-roccat-pyra.c968
1 files changed, 968 insertions, 0 deletions
diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c
new file mode 100644
index 000000000000..9bf23047892a
--- /dev/null
+++ b/drivers/hid/hid-roccat-pyra.c
@@ -0,0 +1,968 @@
1/*
2 * Roccat Pyra driver for Linux
3 *
4 * Copyright (c) 2010 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 Pyra is a mobile gamer mouse which comes in wired and wireless
16 * variant. Wireless variant is not tested.
17 * Userland tools can be found at http://sourceforge.net/projects/roccat
18 */
19
20#include <linux/device.h>
21#include <linux/input.h>
22#include <linux/hid.h>
23#include <linux/usb.h>
24#include <linux/module.h>
25#include <linux/slab.h>
26#include "hid-ids.h"
27#include "hid-roccat.h"
28#include "hid-roccat-pyra.h"
29
30static void profile_activated(struct pyra_device *pyra,
31 unsigned int new_profile)
32{
33 pyra->actual_profile = new_profile;
34 pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi;
35}
36
37static int pyra_send_control(struct usb_device *usb_dev, int value,
38 enum pyra_control_requests request)
39{
40 int len;
41 struct pyra_control control;
42
43 if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS ||
44 request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) &&
45 (value < 0 || value > 4))
46 return -EINVAL;
47
48 control.command = PYRA_COMMAND_CONTROL;
49 control.value = value;
50 control.request = request;
51
52 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
53 USB_REQ_SET_CONFIGURATION,
54 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
55 PYRA_USB_COMMAND_CONTROL, 0, (char *)&control,
56 sizeof(struct pyra_control),
57 USB_CTRL_SET_TIMEOUT);
58
59 if (len != sizeof(struct pyra_control))
60 return len;
61
62 return 0;
63}
64
65static int pyra_receive_control_status(struct usb_device *usb_dev)
66{
67 int len;
68 struct pyra_control control;
69
70 do {
71 msleep(10);
72
73 len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
74 USB_REQ_CLEAR_FEATURE,
75 USB_TYPE_CLASS | USB_RECIP_INTERFACE |
76 USB_DIR_IN,
77 PYRA_USB_COMMAND_CONTROL, 0, (char *)&control,
78 sizeof(struct pyra_control),
79 USB_CTRL_SET_TIMEOUT);
80
81 /* requested too early, try again */
82 } while (len == -EPROTO);
83
84 if (len == sizeof(struct pyra_control) &&
85 control.command == PYRA_COMMAND_CONTROL &&
86 control.request == PYRA_CONTROL_REQUEST_STATUS &&
87 control.value == 1)
88 return 0;
89 else {
90 dev_err(&usb_dev->dev, "receive control status: "
91 "unknown response 0x%x 0x%x\n",
92 control.request, control.value);
93 return -EINVAL;
94 }
95}
96
97static int pyra_get_profile_settings(struct usb_device *usb_dev,
98 struct pyra_profile_settings *buf, int number)
99{
100 int retval;
101
102 retval = pyra_send_control(usb_dev, number,
103 PYRA_CONTROL_REQUEST_PROFILE_SETTINGS);
104
105 if (retval)
106 return retval;
107
108 retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
109 USB_REQ_CLEAR_FEATURE,
110 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
111 PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)buf,
112 sizeof(struct pyra_profile_settings),
113 USB_CTRL_SET_TIMEOUT);
114
115 if (retval != sizeof(struct pyra_profile_settings))
116 return retval;
117
118 return 0;
119}
120
121static int pyra_get_profile_buttons(struct usb_device *usb_dev,
122 struct pyra_profile_buttons *buf, int number)
123{
124 int retval;
125
126 retval = pyra_send_control(usb_dev, number,
127 PYRA_CONTROL_REQUEST_PROFILE_BUTTONS);
128
129 if (retval)
130 return retval;
131
132 retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
133 USB_REQ_CLEAR_FEATURE,
134 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
135 PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buf,
136 sizeof(struct pyra_profile_buttons),
137 USB_CTRL_SET_TIMEOUT);
138
139 if (retval != sizeof(struct pyra_profile_buttons))
140 return retval;
141
142 return 0;
143}
144
145static int pyra_get_settings(struct usb_device *usb_dev,
146 struct pyra_settings *buf)
147{
148 int len;
149 len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
150 USB_REQ_CLEAR_FEATURE,
151 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
152 PYRA_USB_COMMAND_SETTINGS, 0, buf,
153 sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT);
154 if (len != sizeof(struct pyra_settings))
155 return -EIO;
156 return 0;
157}
158
159static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf)
160{
161 int len;
162 len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
163 USB_REQ_CLEAR_FEATURE,
164 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
165 PYRA_USB_COMMAND_INFO, 0, buf,
166 sizeof(struct pyra_info), USB_CTRL_SET_TIMEOUT);
167 if (len != sizeof(struct pyra_info))
168 return -EIO;
169 return 0;
170}
171
172static int pyra_set_profile_settings(struct usb_device *usb_dev,
173 struct pyra_profile_settings const *settings)
174{
175 int len;
176 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
177 USB_REQ_SET_CONFIGURATION,
178 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
179 PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)settings,
180 sizeof(struct pyra_profile_settings),
181 USB_CTRL_SET_TIMEOUT);
182 if (len != sizeof(struct pyra_profile_settings))
183 return -EIO;
184 if (pyra_receive_control_status(usb_dev))
185 return -EIO;
186 return 0;
187}
188
189static int pyra_set_profile_buttons(struct usb_device *usb_dev,
190 struct pyra_profile_buttons const *buttons)
191{
192 int len;
193 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
194 USB_REQ_SET_CONFIGURATION,
195 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
196 PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buttons,
197 sizeof(struct pyra_profile_buttons),
198 USB_CTRL_SET_TIMEOUT);
199 if (len != sizeof(struct pyra_profile_buttons))
200 return -EIO;
201 if (pyra_receive_control_status(usb_dev))
202 return -EIO;
203 return 0;
204}
205
206static int pyra_set_settings(struct usb_device *usb_dev,
207 struct pyra_settings const *settings)
208{
209 int len;
210 len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
211 USB_REQ_SET_CONFIGURATION,
212 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
213 PYRA_USB_COMMAND_SETTINGS, 0, (char *)settings,
214 sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT);
215 if (len != sizeof(struct pyra_settings))
216 return -EIO;
217 if (pyra_receive_control_status(usb_dev))
218 return -EIO;
219 return 0;
220}
221
222static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp,
223 struct kobject *kobj, struct bin_attribute *attr, char *buf,
224 loff_t off, size_t count, int number)
225{
226 struct device *dev = container_of(kobj, struct device, kobj);
227 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
228
229 if (off >= sizeof(struct pyra_profile_settings))
230 return 0;
231
232 if (off + count > sizeof(struct pyra_profile_settings))
233 count = sizeof(struct pyra_profile_settings) - off;
234
235 mutex_lock(&pyra->pyra_lock);
236 memcpy(buf, ((char const *)&pyra->profile_settings[number]) + off,
237 count);
238 mutex_unlock(&pyra->pyra_lock);
239
240 return count;
241}
242
243static ssize_t pyra_sysfs_read_profile1_settings(struct file *fp,
244 struct kobject *kobj, struct bin_attribute *attr, char *buf,
245 loff_t off, size_t count)
246{
247 return pyra_sysfs_read_profilex_settings(fp, kobj,
248 attr, buf, off, count, 0);
249}
250
251static ssize_t pyra_sysfs_read_profile2_settings(struct file *fp,
252 struct kobject *kobj, struct bin_attribute *attr, char *buf,
253 loff_t off, size_t count)
254{
255 return pyra_sysfs_read_profilex_settings(fp, kobj,
256 attr, buf, off, count, 1);
257}
258
259static ssize_t pyra_sysfs_read_profile3_settings(struct file *fp,
260 struct kobject *kobj, struct bin_attribute *attr, char *buf,
261 loff_t off, size_t count)
262{
263 return pyra_sysfs_read_profilex_settings(fp, kobj,
264 attr, buf, off, count, 2);
265}
266
267static ssize_t pyra_sysfs_read_profile4_settings(struct file *fp,
268 struct kobject *kobj, struct bin_attribute *attr, char *buf,
269 loff_t off, size_t count)
270{
271 return pyra_sysfs_read_profilex_settings(fp, kobj,
272 attr, buf, off, count, 3);
273}
274
275static ssize_t pyra_sysfs_read_profile5_settings(struct file *fp,
276 struct kobject *kobj, struct bin_attribute *attr, char *buf,
277 loff_t off, size_t count)
278{
279 return pyra_sysfs_read_profilex_settings(fp, kobj,
280 attr, buf, off, count, 4);
281}
282
283static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
284 struct kobject *kobj, struct bin_attribute *attr, char *buf,
285 loff_t off, size_t count, int number)
286{
287 struct device *dev = container_of(kobj, struct device, kobj);
288 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
289
290 if (off >= sizeof(struct pyra_profile_buttons))
291 return 0;
292
293 if (off + count > sizeof(struct pyra_profile_buttons))
294 count = sizeof(struct pyra_profile_buttons) - off;
295
296 mutex_lock(&pyra->pyra_lock);
297 memcpy(buf, ((char const *)&pyra->profile_buttons[number]) + off,
298 count);
299 mutex_unlock(&pyra->pyra_lock);
300
301 return count;
302}
303
304static ssize_t pyra_sysfs_read_profile1_buttons(struct file *fp,
305 struct kobject *kobj, struct bin_attribute *attr, char *buf,
306 loff_t off, size_t count)
307{
308 return pyra_sysfs_read_profilex_buttons(fp, kobj,
309 attr, buf, off, count, 0);
310}
311
312static ssize_t pyra_sysfs_read_profile2_buttons(struct file *fp,
313 struct kobject *kobj, struct bin_attribute *attr, char *buf,
314 loff_t off, size_t count)
315{
316 return pyra_sysfs_read_profilex_buttons(fp, kobj,
317 attr, buf, off, count, 1);
318}
319
320static ssize_t pyra_sysfs_read_profile3_buttons(struct file *fp,
321 struct kobject *kobj, struct bin_attribute *attr, char *buf,
322 loff_t off, size_t count)
323{
324 return pyra_sysfs_read_profilex_buttons(fp, kobj,
325 attr, buf, off, count, 2);
326}
327
328static ssize_t pyra_sysfs_read_profile4_buttons(struct file *fp,
329 struct kobject *kobj, struct bin_attribute *attr, char *buf,
330 loff_t off, size_t count)
331{
332 return pyra_sysfs_read_profilex_buttons(fp, kobj,
333 attr, buf, off, count, 3);
334}
335
336static ssize_t pyra_sysfs_read_profile5_buttons(struct file *fp,
337 struct kobject *kobj, struct bin_attribute *attr, char *buf,
338 loff_t off, size_t count)
339{
340 return pyra_sysfs_read_profilex_buttons(fp, kobj,
341 attr, buf, off, count, 4);
342}
343
344static ssize_t pyra_sysfs_write_profile_settings(struct file *fp,
345 struct kobject *kobj, struct bin_attribute *attr, char *buf,
346 loff_t off, size_t count)
347{
348 struct device *dev = container_of(kobj, struct device, kobj);
349 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
350 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
351 int retval = 0;
352 int difference;
353 int profile_number;
354 struct pyra_profile_settings *profile_settings;
355
356 if (off != 0 || count != sizeof(struct pyra_profile_settings))
357 return -EINVAL;
358
359 profile_number = ((struct pyra_profile_settings const *)buf)->number;
360 profile_settings = &pyra->profile_settings[profile_number];
361
362 mutex_lock(&pyra->pyra_lock);
363 difference = memcmp(buf, profile_settings,
364 sizeof(struct pyra_profile_settings));
365 if (difference) {
366 retval = pyra_set_profile_settings(usb_dev,
367 (struct pyra_profile_settings const *)buf);
368 if (!retval)
369 memcpy(profile_settings, buf,
370 sizeof(struct pyra_profile_settings));
371 }
372 mutex_unlock(&pyra->pyra_lock);
373
374 if (retval)
375 return retval;
376
377 return sizeof(struct pyra_profile_settings);
378}
379
380static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp,
381 struct kobject *kobj, struct bin_attribute *attr, char *buf,
382 loff_t off, size_t count)
383{
384 struct device *dev = container_of(kobj, struct device, kobj);
385 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
386 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
387 int retval = 0;
388 int difference;
389 int profile_number;
390 struct pyra_profile_buttons *profile_buttons;
391
392 if (off != 0 || count != sizeof(struct pyra_profile_buttons))
393 return -EINVAL;
394
395 profile_number = ((struct pyra_profile_buttons const *)buf)->number;
396 profile_buttons = &pyra->profile_buttons[profile_number];
397
398 mutex_lock(&pyra->pyra_lock);
399 difference = memcmp(buf, profile_buttons,
400 sizeof(struct pyra_profile_buttons));
401 if (difference) {
402 retval = pyra_set_profile_buttons(usb_dev,
403 (struct pyra_profile_buttons const *)buf);
404 if (!retval)
405 memcpy(profile_buttons, buf,
406 sizeof(struct pyra_profile_buttons));
407 }
408 mutex_unlock(&pyra->pyra_lock);
409
410 if (retval)
411 return retval;
412
413 return sizeof(struct pyra_profile_buttons);
414}
415
416static ssize_t pyra_sysfs_read_settings(struct file *fp,
417 struct kobject *kobj, struct bin_attribute *attr, char *buf,
418 loff_t off, size_t count)
419{
420 struct device *dev = container_of(kobj, struct device, kobj);
421 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
422
423 if (off >= sizeof(struct pyra_settings))
424 return 0;
425
426 if (off + count > sizeof(struct pyra_settings))
427 count = sizeof(struct pyra_settings) - off;
428
429 mutex_lock(&pyra->pyra_lock);
430 memcpy(buf, ((char const *)&pyra->settings) + off, count);
431 mutex_unlock(&pyra->pyra_lock);
432
433 return count;
434}
435
436static ssize_t pyra_sysfs_write_settings(struct file *fp,
437 struct kobject *kobj, struct bin_attribute *attr, char *buf,
438 loff_t off, size_t count)
439{
440 struct device *dev = container_of(kobj, struct device, kobj);
441 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
442 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
443 int retval = 0;
444 int difference;
445
446 if (off != 0 || count != sizeof(struct pyra_settings))
447 return -EINVAL;
448
449 mutex_lock(&pyra->pyra_lock);
450 difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings));
451 if (difference) {
452 retval = pyra_set_settings(usb_dev,
453 (struct pyra_settings const *)buf);
454 if (!retval)
455 memcpy(&pyra->settings, buf,
456 sizeof(struct pyra_settings));
457 }
458 mutex_unlock(&pyra->pyra_lock);
459
460 if (retval)
461 return retval;
462
463 profile_activated(pyra, pyra->settings.startup_profile);
464
465 return sizeof(struct pyra_settings);
466}
467
468
469static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev,
470 struct device_attribute *attr, char *buf)
471{
472 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
473 return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi);
474}
475
476static ssize_t pyra_sysfs_show_actual_profile(struct device *dev,
477 struct device_attribute *attr, char *buf)
478{
479 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
480 return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile);
481}
482
483static ssize_t pyra_sysfs_show_firmware_version(struct device *dev,
484 struct device_attribute *attr, char *buf)
485{
486 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
487 return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version);
488}
489
490static ssize_t pyra_sysfs_show_startup_profile(struct device *dev,
491 struct device_attribute *attr, char *buf)
492{
493 struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
494 return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile);
495}
496
497static DEVICE_ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL);
498
499static DEVICE_ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL);
500
501static DEVICE_ATTR(firmware_version, 0440,
502 pyra_sysfs_show_firmware_version, NULL);
503
504static DEVICE_ATTR(startup_profile, 0440,
505 pyra_sysfs_show_startup_profile, NULL);
506
507static struct attribute *pyra_attributes[] = {
508 &dev_attr_actual_cpi.attr,
509 &dev_attr_actual_profile.attr,
510 &dev_attr_firmware_version.attr,
511 &dev_attr_startup_profile.attr,
512 NULL
513};
514
515static struct attribute_group pyra_attribute_group = {
516 .attrs = pyra_attributes
517};
518
519static struct bin_attribute pyra_profile_settings_attr = {
520 .attr = { .name = "profile_settings", .mode = 0220 },
521 .size = sizeof(struct pyra_profile_settings),
522 .write = pyra_sysfs_write_profile_settings
523};
524
525static struct bin_attribute pyra_profile1_settings_attr = {
526 .attr = { .name = "profile1_settings", .mode = 0440 },
527 .size = sizeof(struct pyra_profile_settings),
528 .read = pyra_sysfs_read_profile1_settings
529};
530
531static struct bin_attribute pyra_profile2_settings_attr = {
532 .attr = { .name = "profile2_settings", .mode = 0440 },
533 .size = sizeof(struct pyra_profile_settings),
534 .read = pyra_sysfs_read_profile2_settings
535};
536
537static struct bin_attribute pyra_profile3_settings_attr = {
538 .attr = { .name = "profile3_settings", .mode = 0440 },
539 .size = sizeof(struct pyra_profile_settings),
540 .read = pyra_sysfs_read_profile3_settings
541};
542
543static struct bin_attribute pyra_profile4_settings_attr = {
544 .attr = { .name = "profile4_settings", .mode = 0440 },
545 .size = sizeof(struct pyra_profile_settings),
546 .read = pyra_sysfs_read_profile4_settings
547};
548
549static struct bin_attribute pyra_profile5_settings_attr = {
550 .attr = { .name = "profile5_settings", .mode = 0440 },
551 .size = sizeof(struct pyra_profile_settings),
552 .read = pyra_sysfs_read_profile5_settings
553};
554
555static struct bin_attribute pyra_profile_buttons_attr = {
556 .attr = { .name = "profile_buttons", .mode = 0220 },
557 .size = sizeof(struct pyra_profile_buttons),
558 .write = pyra_sysfs_write_profile_buttons
559};
560
561static struct bin_attribute pyra_profile1_buttons_attr = {
562 .attr = { .name = "profile1_buttons", .mode = 0440 },
563 .size = sizeof(struct pyra_profile_buttons),
564 .read = pyra_sysfs_read_profile1_buttons
565};
566
567static struct bin_attribute pyra_profile2_buttons_attr = {
568 .attr = { .name = "profile2_buttons", .mode = 0440 },
569 .size = sizeof(struct pyra_profile_buttons),
570 .read = pyra_sysfs_read_profile2_buttons
571};
572
573static struct bin_attribute pyra_profile3_buttons_attr = {
574 .attr = { .name = "profile3_buttons", .mode = 0440 },
575 .size = sizeof(struct pyra_profile_buttons),
576 .read = pyra_sysfs_read_profile3_buttons
577};
578
579static struct bin_attribute pyra_profile4_buttons_attr = {
580 .attr = { .name = "profile4_buttons", .mode = 0440 },
581 .size = sizeof(struct pyra_profile_buttons),
582 .read = pyra_sysfs_read_profile4_buttons
583};
584
585static struct bin_attribute pyra_profile5_buttons_attr = {
586 .attr = { .name = "profile5_buttons", .mode = 0440 },
587 .size = sizeof(struct pyra_profile_buttons),
588 .read = pyra_sysfs_read_profile5_buttons
589};
590
591static struct bin_attribute pyra_settings_attr = {
592 .attr = { .name = "settings", .mode = 0660 },
593 .size = sizeof(struct pyra_settings),
594 .read = pyra_sysfs_read_settings,
595 .write = pyra_sysfs_write_settings
596};
597
598static int pyra_create_sysfs_attributes(struct usb_interface *intf)
599{
600 int retval;
601
602 retval = sysfs_create_group(&intf->dev.kobj, &pyra_attribute_group);
603 if (retval)
604 goto exit_1;
605
606 retval = sysfs_create_bin_file(&intf->dev.kobj,
607 &pyra_profile_settings_attr);
608 if (retval)
609 goto exit_2;
610
611 retval = sysfs_create_bin_file(&intf->dev.kobj,
612 &pyra_profile1_settings_attr);
613 if (retval)
614 goto exit_3;
615
616 retval = sysfs_create_bin_file(&intf->dev.kobj,
617 &pyra_profile2_settings_attr);
618 if (retval)
619 goto exit_4;
620
621 retval = sysfs_create_bin_file(&intf->dev.kobj,
622 &pyra_profile3_settings_attr);
623 if (retval)
624 goto exit_5;
625
626 retval = sysfs_create_bin_file(&intf->dev.kobj,
627 &pyra_profile4_settings_attr);
628 if (retval)
629 goto exit_6;
630
631 retval = sysfs_create_bin_file(&intf->dev.kobj,
632 &pyra_profile5_settings_attr);
633 if (retval)
634 goto exit_7;
635
636 retval = sysfs_create_bin_file(&intf->dev.kobj,
637 &pyra_profile_buttons_attr);
638 if (retval)
639 goto exit_8;
640
641 retval = sysfs_create_bin_file(&intf->dev.kobj,
642 &pyra_profile1_buttons_attr);
643 if (retval)
644 goto exit_9;
645
646 retval = sysfs_create_bin_file(&intf->dev.kobj,
647 &pyra_profile2_buttons_attr);
648 if (retval)
649 goto exit_10;
650
651 retval = sysfs_create_bin_file(&intf->dev.kobj,
652 &pyra_profile3_buttons_attr);
653 if (retval)
654 goto exit_11;
655
656 retval = sysfs_create_bin_file(&intf->dev.kobj,
657 &pyra_profile4_buttons_attr);
658 if (retval)
659 goto exit_12;
660
661 retval = sysfs_create_bin_file(&intf->dev.kobj,
662 &pyra_profile5_buttons_attr);
663 if (retval)
664 goto exit_13;
665
666 retval = sysfs_create_bin_file(&intf->dev.kobj,
667 &pyra_settings_attr);
668 if (retval)
669 goto exit_14;
670
671 return 0;
672
673exit_14:
674 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_buttons_attr);
675exit_13:
676 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_buttons_attr);
677exit_12:
678 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_buttons_attr);
679exit_11:
680 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_buttons_attr);
681exit_10:
682 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_buttons_attr);
683exit_9:
684 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_buttons_attr);
685exit_8:
686 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_settings_attr);
687exit_7:
688 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_settings_attr);
689exit_6:
690 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_settings_attr);
691exit_5:
692 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_settings_attr);
693exit_4:
694 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_settings_attr);
695exit_3:
696 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_settings_attr);
697exit_2:
698 sysfs_remove_group(&intf->dev.kobj, &pyra_attribute_group);
699exit_1:
700 return retval;
701}
702
703static void pyra_remove_sysfs_attributes(struct usb_interface *intf)
704{
705 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_settings_attr);
706 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_buttons_attr);
707 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_buttons_attr);
708 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_buttons_attr);
709 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_buttons_attr);
710 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_buttons_attr);
711 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_buttons_attr);
712 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_settings_attr);
713 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_settings_attr);
714 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_settings_attr);
715 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_settings_attr);
716 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_settings_attr);
717 sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_settings_attr);
718 sysfs_remove_group(&intf->dev.kobj, &pyra_attribute_group);
719}
720
721static int pyra_init_pyra_device_struct(struct usb_device *usb_dev,
722 struct pyra_device *pyra)
723{
724 struct pyra_info *info;
725 int retval, i;
726
727 mutex_init(&pyra->pyra_lock);
728
729 info = kmalloc(sizeof(struct pyra_info), GFP_KERNEL);
730 if (!info)
731 return -ENOMEM;
732 retval = pyra_get_info(usb_dev, info);
733 if (retval) {
734 kfree(info);
735 return retval;
736 }
737 pyra->firmware_version = info->firmware_version;
738 kfree(info);
739
740 retval = pyra_get_settings(usb_dev, &pyra->settings);
741 if (retval)
742 return retval;
743
744 for (i = 0; i < 5; ++i) {
745 retval = pyra_get_profile_settings(usb_dev,
746 &pyra->profile_settings[i], i);
747 if (retval)
748 return retval;
749
750 retval = pyra_get_profile_buttons(usb_dev,
751 &pyra->profile_buttons[i], i);
752 if (retval)
753 return retval;
754 }
755
756 profile_activated(pyra, pyra->settings.startup_profile);
757
758 return 0;
759}
760
761static int pyra_init_specials(struct hid_device *hdev)
762{
763 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
764 struct usb_device *usb_dev = interface_to_usbdev(intf);
765 struct pyra_device *pyra;
766 int retval;
767
768 if (intf->cur_altsetting->desc.bInterfaceProtocol
769 == USB_INTERFACE_PROTOCOL_MOUSE) {
770
771 pyra = kzalloc(sizeof(*pyra), GFP_KERNEL);
772 if (!pyra) {
773 dev_err(&hdev->dev, "can't alloc device descriptor\n");
774 return -ENOMEM;
775 }
776 hid_set_drvdata(hdev, pyra);
777
778 retval = pyra_init_pyra_device_struct(usb_dev, pyra);
779 if (retval) {
780 dev_err(&hdev->dev,
781 "couldn't init struct pyra_device\n");
782 goto exit_free;
783 }
784
785 retval = roccat_connect(hdev);
786 if (retval < 0) {
787 dev_err(&hdev->dev, "couldn't init char dev\n");
788 } else {
789 pyra->chrdev_minor = retval;
790 pyra->roccat_claimed = 1;
791 }
792
793 retval = pyra_create_sysfs_attributes(intf);
794 if (retval) {
795 dev_err(&hdev->dev, "cannot create sysfs files\n");
796 goto exit_free;
797 }
798 } else {
799 hid_set_drvdata(hdev, NULL);
800 }
801
802 return 0;
803exit_free:
804 kfree(pyra);
805 return retval;
806}
807
808static void pyra_remove_specials(struct hid_device *hdev)
809{
810 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
811 struct pyra_device *pyra;
812
813 if (intf->cur_altsetting->desc.bInterfaceProtocol
814 == USB_INTERFACE_PROTOCOL_MOUSE) {
815 pyra_remove_sysfs_attributes(intf);
816 pyra = hid_get_drvdata(hdev);
817 if (pyra->roccat_claimed)
818 roccat_disconnect(pyra->chrdev_minor);
819 kfree(hid_get_drvdata(hdev));
820 }
821}
822
823static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id)
824{
825 int retval;
826
827 retval = hid_parse(hdev);
828 if (retval) {
829 dev_err(&hdev->dev, "parse failed\n");
830 goto exit;
831 }
832
833 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
834 if (retval) {
835 dev_err(&hdev->dev, "hw start failed\n");
836 goto exit;
837 }
838
839 retval = pyra_init_specials(hdev);
840 if (retval) {
841 dev_err(&hdev->dev, "couldn't install mouse\n");
842 goto exit_stop;
843 }
844 return 0;
845
846exit_stop:
847 hid_hw_stop(hdev);
848exit:
849 return retval;
850}
851
852static void pyra_remove(struct hid_device *hdev)
853{
854 pyra_remove_specials(hdev);
855 hid_hw_stop(hdev);
856}
857
858static void pyra_keep_values_up_to_date(struct pyra_device *pyra,
859 u8 const *data)
860{
861 struct pyra_mouse_event_button const *button_event;
862
863 switch (data[0]) {
864 case PYRA_MOUSE_REPORT_NUMBER_BUTTON:
865 button_event = (struct pyra_mouse_event_button const *)data;
866 switch (button_event->type) {
867 case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
868 profile_activated(pyra, button_event->data1 - 1);
869 break;
870 case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
871 pyra->actual_cpi = button_event->data1;
872 break;
873 }
874 break;
875 }
876}
877
878static void pyra_report_to_chrdev(struct pyra_device const *pyra,
879 u8 const *data)
880{
881 struct pyra_roccat_report roccat_report;
882 struct pyra_mouse_event_button const *button_event;
883
884 if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON)
885 return;
886
887 button_event = (struct pyra_mouse_event_button const *)data;
888
889 switch (button_event->type) {
890 case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
891 case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
892 roccat_report.type = button_event->type;
893 roccat_report.value = button_event->data1;
894 roccat_report.key = 0;
895 roccat_report_event(pyra->chrdev_minor,
896 (uint8_t const *)&roccat_report,
897 sizeof(struct pyra_roccat_report));
898 break;
899 case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO:
900 case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT:
901 case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH:
902 if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) {
903 roccat_report.type = button_event->type;
904 roccat_report.key = button_event->data1;
905 /*
906 * pyra reports profile numbers with range 1-5.
907 * Keeping this behaviour.
908 */
909 roccat_report.value = pyra->actual_profile + 1;
910 roccat_report_event(pyra->chrdev_minor,
911 (uint8_t const *)&roccat_report,
912 sizeof(struct pyra_roccat_report));
913 }
914 break;
915 }
916}
917
918static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report,
919 u8 *data, int size)
920{
921 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
922 struct pyra_device *pyra = hid_get_drvdata(hdev);
923
924 if (intf->cur_altsetting->desc.bInterfaceProtocol
925 != USB_INTERFACE_PROTOCOL_MOUSE)
926 return 0;
927
928 pyra_keep_values_up_to_date(pyra, data);
929
930 if (pyra->roccat_claimed)
931 pyra_report_to_chrdev(pyra, data);
932
933 return 0;
934}
935
936static const struct hid_device_id pyra_devices[] = {
937 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
938 USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
939 /* TODO add USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS after testing */
940 { }
941};
942
943MODULE_DEVICE_TABLE(hid, pyra_devices);
944
945static struct hid_driver pyra_driver = {
946 .name = "pyra",
947 .id_table = pyra_devices,
948 .probe = pyra_probe,
949 .remove = pyra_remove,
950 .raw_event = pyra_raw_event
951};
952
953static int __init pyra_init(void)
954{
955 return hid_register_driver(&pyra_driver);
956}
957
958static void __exit pyra_exit(void)
959{
960 hid_unregister_driver(&pyra_driver);
961}
962
963module_init(pyra_init);
964module_exit(pyra_exit);
965
966MODULE_AUTHOR("Stefan Achatz");
967MODULE_DESCRIPTION("USB Roccat Pyra driver");
968MODULE_LICENSE("GPL v2");
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-25 12:29:43 -0500