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47dbdbff SA |
1 | /* |
2 | * Roccat Kone[+] 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 Kone[+] is an updated/improved version of the Kone with more memory | |
16 | * and functionality and without the non-standard behaviours the Kone had. | |
17 | */ | |
18 | ||
19 | #include <linux/device.h> | |
20 | #include <linux/input.h> | |
21 | #include <linux/hid.h> | |
22 | #include <linux/usb.h> | |
23 | #include <linux/module.h> | |
24 | #include <linux/slab.h> | |
25 | #include "hid-ids.h" | |
26 | #include "hid-roccat.h" | |
27 | #include "hid-roccat-koneplus.h" | |
28 | ||
29 | static uint profile_numbers[5] = {0, 1, 2, 3, 4}; | |
30 | ||
31 | static struct class *koneplus_class; | |
32 | ||
33 | static void koneplus_profile_activated(struct koneplus_device *koneplus, | |
34 | uint new_profile) | |
35 | { | |
36 | koneplus->actual_profile = new_profile; | |
37 | } | |
38 | ||
39 | static int koneplus_send_control(struct usb_device *usb_dev, uint value, | |
40 | enum koneplus_control_requests request) | |
41 | { | |
42 | int len; | |
43 | struct koneplus_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 = kmalloc(sizeof(struct koneplus_control), GFP_KERNEL); | |
51 | if (!control) | |
52 | return -ENOMEM; | |
53 | ||
54 | control->command = KONEPLUS_COMMAND_CONTROL; | |
55 | control->value = value; | |
56 | control->request = request; | |
57 | ||
58 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
59 | USB_REQ_SET_CONFIGURATION, | |
60 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, | |
61 | KONEPLUS_USB_COMMAND_CONTROL, 0, control, | |
62 | sizeof(struct koneplus_control), | |
63 | USB_CTRL_SET_TIMEOUT); | |
64 | ||
65 | kfree(control); | |
66 | ||
67 | if (len != sizeof(struct koneplus_control)) | |
68 | return len; | |
69 | ||
70 | return 0; | |
71 | } | |
72 | ||
73 | static int koneplus_receive(struct usb_device *usb_dev, uint usb_command, | |
74 | void *buf, uint size) { | |
75 | int len; | |
76 | ||
77 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
78 | USB_REQ_CLEAR_FEATURE, | |
79 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
80 | usb_command, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
81 | ||
82 | return (len != size) ? -EIO : 0; | |
83 | } | |
84 | ||
85 | static int koneplus_receive_control_status(struct usb_device *usb_dev) | |
86 | { | |
87 | int retval; | |
88 | struct koneplus_control *control; | |
89 | ||
90 | control = kmalloc(sizeof(struct koneplus_control), GFP_KERNEL); | |
91 | if (!control) | |
92 | return -ENOMEM; | |
93 | ||
94 | do { | |
95 | retval = koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_CONTROL, | |
96 | control, sizeof(struct koneplus_control)); | |
97 | ||
98 | /* check if we get a completely wrong answer */ | |
99 | if (retval) | |
100 | goto out; | |
101 | ||
102 | if (control->value == KONEPLUS_CONTROL_REQUEST_STATUS_OK) { | |
103 | retval = 0; | |
104 | goto out; | |
105 | } | |
106 | ||
107 | /* indicates that hardware needs some more time to complete action */ | |
108 | if (control->value == KONEPLUS_CONTROL_REQUEST_STATUS_WAIT) { | |
109 | msleep(500); /* windows driver uses 1000 */ | |
110 | continue; | |
111 | } | |
112 | ||
113 | /* seems to be critical - replug necessary */ | |
114 | if (control->value == KONEPLUS_CONTROL_REQUEST_STATUS_OVERLOAD) { | |
115 | retval = -EINVAL; | |
116 | goto out; | |
117 | } | |
118 | ||
119 | dev_err(&usb_dev->dev, "koneplus_receive_control_status: " | |
120 | "unknown response value 0x%x\n", control->value); | |
121 | retval = -EINVAL; | |
122 | goto out; | |
123 | ||
124 | } while (1); | |
125 | out: | |
126 | kfree(control); | |
127 | return retval; | |
128 | } | |
129 | ||
130 | static int koneplus_send(struct usb_device *usb_dev, uint command, | |
131 | void *buf, uint size) { | |
132 | int len; | |
133 | ||
134 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
135 | USB_REQ_SET_CONFIGURATION, | |
136 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, | |
137 | command, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
138 | ||
139 | if (len != size) | |
140 | return -EIO; | |
141 | ||
142 | if (koneplus_receive_control_status(usb_dev)) | |
143 | return -EIO; | |
144 | ||
145 | return 0; | |
146 | } | |
147 | ||
148 | static int koneplus_select_profile(struct usb_device *usb_dev, uint number, | |
149 | enum koneplus_control_requests request) | |
150 | { | |
151 | int retval; | |
152 | ||
153 | retval = koneplus_send_control(usb_dev, number, request); | |
154 | if (retval) | |
155 | return retval; | |
156 | ||
157 | /* allow time to settle things - windows driver uses 500 */ | |
158 | msleep(100); | |
159 | ||
160 | retval = koneplus_receive_control_status(usb_dev); | |
161 | if (retval) | |
162 | return retval; | |
163 | ||
164 | return 0; | |
165 | } | |
166 | ||
167 | static int koneplus_get_info(struct usb_device *usb_dev, | |
168 | struct koneplus_info *buf) | |
169 | { | |
170 | return koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_INFO, | |
171 | buf, sizeof(struct koneplus_info)); | |
172 | } | |
173 | ||
174 | static int koneplus_get_profile_settings(struct usb_device *usb_dev, | |
175 | struct koneplus_profile_settings *buf, uint number) | |
176 | { | |
177 | int retval; | |
178 | ||
179 | retval = koneplus_select_profile(usb_dev, number, | |
180 | KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); | |
181 | if (retval) | |
182 | return retval; | |
183 | ||
184 | return koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_SETTINGS, | |
185 | buf, sizeof(struct koneplus_profile_settings)); | |
186 | } | |
187 | ||
188 | static int koneplus_set_profile_settings(struct usb_device *usb_dev, | |
189 | struct koneplus_profile_settings const *settings) | |
190 | { | |
191 | return koneplus_send(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_SETTINGS, | |
192 | (void *)settings, sizeof(struct koneplus_profile_settings)); | |
193 | } | |
194 | ||
195 | static int koneplus_get_profile_buttons(struct usb_device *usb_dev, | |
196 | struct koneplus_profile_buttons *buf, int number) | |
197 | { | |
198 | int retval; | |
199 | ||
200 | retval = koneplus_select_profile(usb_dev, number, | |
201 | KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); | |
202 | if (retval) | |
203 | return retval; | |
204 | ||
205 | return koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_BUTTONS, | |
206 | buf, sizeof(struct koneplus_profile_buttons)); | |
207 | } | |
208 | ||
209 | static int koneplus_set_profile_buttons(struct usb_device *usb_dev, | |
210 | struct koneplus_profile_buttons const *buttons) | |
211 | { | |
212 | return koneplus_send(usb_dev, KONEPLUS_USB_COMMAND_PROFILE_BUTTONS, | |
213 | (void *)buttons, sizeof(struct koneplus_profile_buttons)); | |
214 | } | |
215 | ||
216 | /* retval is 0-4 on success, < 0 on error */ | |
217 | static int koneplus_get_startup_profile(struct usb_device *usb_dev) | |
218 | { | |
219 | struct koneplus_startup_profile *buf; | |
220 | int retval; | |
221 | ||
222 | buf = kmalloc(sizeof(struct koneplus_startup_profile), GFP_KERNEL); | |
dacfecdb VK |
223 | if (buf == NULL) |
224 | return -ENOMEM; | |
47dbdbff SA |
225 | |
226 | retval = koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_STARTUP_PROFILE, | |
227 | buf, sizeof(struct koneplus_startup_profile)); | |
228 | ||
229 | if (retval) | |
230 | goto out; | |
231 | ||
232 | retval = buf->startup_profile; | |
233 | out: | |
234 | kfree(buf); | |
235 | return retval; | |
236 | } | |
237 | ||
238 | static int koneplus_set_startup_profile(struct usb_device *usb_dev, | |
239 | int startup_profile) | |
240 | { | |
241 | struct koneplus_startup_profile buf; | |
242 | ||
243 | buf.command = KONEPLUS_COMMAND_STARTUP_PROFILE; | |
244 | buf.size = sizeof(struct koneplus_startup_profile); | |
245 | buf.startup_profile = startup_profile; | |
246 | ||
247 | return koneplus_send(usb_dev, KONEPLUS_USB_COMMAND_STARTUP_PROFILE, | |
248 | (char *)&buf, sizeof(struct koneplus_profile_buttons)); | |
249 | } | |
250 | ||
251 | static ssize_t koneplus_sysfs_read(struct file *fp, struct kobject *kobj, | |
252 | char *buf, loff_t off, size_t count, | |
253 | size_t real_size, uint command) | |
254 | { | |
255 | struct device *dev = | |
256 | container_of(kobj, struct device, kobj)->parent->parent; | |
257 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
258 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
259 | int retval; | |
260 | ||
261 | if (off != 0 || count != real_size) | |
262 | return -EINVAL; | |
263 | ||
264 | mutex_lock(&koneplus->koneplus_lock); | |
265 | retval = koneplus_receive(usb_dev, command, buf, real_size); | |
266 | mutex_unlock(&koneplus->koneplus_lock); | |
267 | ||
268 | if (retval) | |
269 | return retval; | |
270 | ||
271 | return real_size; | |
272 | } | |
273 | ||
274 | static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj, | |
275 | void const *buf, loff_t off, size_t count, | |
276 | size_t real_size, uint command) | |
277 | { | |
278 | struct device *dev = | |
279 | container_of(kobj, struct device, kobj)->parent->parent; | |
280 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
281 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
282 | int retval; | |
283 | ||
284 | if (off != 0 || count != real_size) | |
285 | return -EINVAL; | |
286 | ||
287 | mutex_lock(&koneplus->koneplus_lock); | |
288 | retval = koneplus_send(usb_dev, command, (void *)buf, real_size); | |
289 | mutex_unlock(&koneplus->koneplus_lock); | |
290 | ||
291 | if (retval) | |
292 | return retval; | |
293 | ||
294 | return real_size; | |
295 | } | |
296 | ||
297 | static ssize_t koneplus_sysfs_write_macro(struct file *fp, | |
298 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
299 | loff_t off, size_t count) | |
300 | { | |
301 | return koneplus_sysfs_write(fp, kobj, buf, off, count, | |
302 | sizeof(struct koneplus_macro), KONEPLUS_USB_COMMAND_MACRO); | |
303 | } | |
304 | ||
305 | static ssize_t koneplus_sysfs_read_sensor(struct file *fp, | |
306 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
307 | loff_t off, size_t count) | |
308 | { | |
309 | return koneplus_sysfs_read(fp, kobj, buf, off, count, | |
310 | sizeof(struct koneplus_sensor), KONEPLUS_USB_COMMAND_SENSOR); | |
311 | } | |
312 | ||
313 | static ssize_t koneplus_sysfs_write_sensor(struct file *fp, | |
314 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
315 | loff_t off, size_t count) | |
316 | { | |
317 | return koneplus_sysfs_write(fp, kobj, buf, off, count, | |
318 | sizeof(struct koneplus_sensor), KONEPLUS_USB_COMMAND_SENSOR); | |
319 | } | |
320 | ||
321 | static ssize_t koneplus_sysfs_write_tcu(struct file *fp, | |
322 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
323 | loff_t off, size_t count) | |
324 | { | |
325 | return koneplus_sysfs_write(fp, kobj, buf, off, count, | |
326 | sizeof(struct koneplus_tcu), KONEPLUS_USB_COMMAND_TCU); | |
327 | } | |
328 | ||
329 | static ssize_t koneplus_sysfs_read_tcu_image(struct file *fp, | |
330 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
331 | loff_t off, size_t count) | |
332 | { | |
333 | return koneplus_sysfs_read(fp, kobj, buf, off, count, | |
334 | sizeof(struct koneplus_tcu_image), KONEPLUS_USB_COMMAND_TCU); | |
335 | } | |
336 | ||
337 | static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp, | |
338 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
339 | loff_t off, size_t count) | |
340 | { | |
341 | struct device *dev = | |
342 | container_of(kobj, struct device, kobj)->parent->parent; | |
343 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
344 | ||
345 | if (off >= sizeof(struct koneplus_profile_settings)) | |
346 | return 0; | |
347 | ||
348 | if (off + count > sizeof(struct koneplus_profile_settings)) | |
349 | count = sizeof(struct koneplus_profile_settings) - off; | |
350 | ||
351 | mutex_lock(&koneplus->koneplus_lock); | |
352 | memcpy(buf, ((void const *)&koneplus->profile_settings[*(uint *)(attr->private)]) + off, | |
353 | count); | |
354 | mutex_unlock(&koneplus->koneplus_lock); | |
355 | ||
356 | return count; | |
357 | } | |
358 | ||
359 | static ssize_t koneplus_sysfs_write_profile_settings(struct file *fp, | |
360 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
361 | loff_t off, size_t count) | |
362 | { | |
363 | struct device *dev = | |
364 | container_of(kobj, struct device, kobj)->parent->parent; | |
365 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
366 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
367 | int retval = 0; | |
368 | int difference; | |
369 | int profile_number; | |
370 | struct koneplus_profile_settings *profile_settings; | |
371 | ||
372 | if (off != 0 || count != sizeof(struct koneplus_profile_settings)) | |
373 | return -EINVAL; | |
374 | ||
375 | profile_number = ((struct koneplus_profile_settings const *)buf)->number; | |
376 | profile_settings = &koneplus->profile_settings[profile_number]; | |
377 | ||
378 | mutex_lock(&koneplus->koneplus_lock); | |
379 | difference = memcmp(buf, profile_settings, | |
380 | sizeof(struct koneplus_profile_settings)); | |
381 | if (difference) { | |
382 | retval = koneplus_set_profile_settings(usb_dev, | |
383 | (struct koneplus_profile_settings const *)buf); | |
384 | if (!retval) | |
385 | memcpy(profile_settings, buf, | |
386 | sizeof(struct koneplus_profile_settings)); | |
387 | } | |
388 | mutex_unlock(&koneplus->koneplus_lock); | |
389 | ||
390 | if (retval) | |
391 | return retval; | |
392 | ||
393 | return sizeof(struct koneplus_profile_settings); | |
394 | } | |
395 | ||
396 | static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp, | |
397 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
398 | loff_t off, size_t count) | |
399 | { | |
400 | struct device *dev = | |
401 | container_of(kobj, struct device, kobj)->parent->parent; | |
402 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
403 | ||
404 | if (off >= sizeof(struct koneplus_profile_buttons)) | |
405 | return 0; | |
406 | ||
407 | if (off + count > sizeof(struct koneplus_profile_buttons)) | |
408 | count = sizeof(struct koneplus_profile_buttons) - off; | |
409 | ||
410 | mutex_lock(&koneplus->koneplus_lock); | |
411 | memcpy(buf, ((void const *)&koneplus->profile_buttons[*(uint *)(attr->private)]) + off, | |
412 | count); | |
413 | mutex_unlock(&koneplus->koneplus_lock); | |
414 | ||
415 | return count; | |
416 | } | |
417 | ||
418 | static ssize_t koneplus_sysfs_write_profile_buttons(struct file *fp, | |
419 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
420 | loff_t off, size_t count) | |
421 | { | |
422 | struct device *dev = | |
423 | container_of(kobj, struct device, kobj)->parent->parent; | |
424 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
425 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
426 | int retval = 0; | |
427 | int difference; | |
428 | uint profile_number; | |
429 | struct koneplus_profile_buttons *profile_buttons; | |
430 | ||
431 | if (off != 0 || count != sizeof(struct koneplus_profile_buttons)) | |
432 | return -EINVAL; | |
433 | ||
434 | profile_number = ((struct koneplus_profile_buttons const *)buf)->number; | |
435 | profile_buttons = &koneplus->profile_buttons[profile_number]; | |
436 | ||
437 | mutex_lock(&koneplus->koneplus_lock); | |
438 | difference = memcmp(buf, profile_buttons, | |
439 | sizeof(struct koneplus_profile_buttons)); | |
440 | if (difference) { | |
441 | retval = koneplus_set_profile_buttons(usb_dev, | |
442 | (struct koneplus_profile_buttons const *)buf); | |
443 | if (!retval) | |
444 | memcpy(profile_buttons, buf, | |
445 | sizeof(struct koneplus_profile_buttons)); | |
446 | } | |
447 | mutex_unlock(&koneplus->koneplus_lock); | |
448 | ||
449 | if (retval) | |
450 | return retval; | |
451 | ||
452 | return sizeof(struct koneplus_profile_buttons); | |
453 | } | |
454 | ||
455 | static ssize_t koneplus_sysfs_show_startup_profile(struct device *dev, | |
456 | struct device_attribute *attr, char *buf) | |
457 | { | |
458 | struct koneplus_device *koneplus = | |
459 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
460 | return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->startup_profile); | |
461 | } | |
462 | ||
463 | static ssize_t koneplus_sysfs_set_startup_profile(struct device *dev, | |
464 | struct device_attribute *attr, char const *buf, size_t size) | |
465 | { | |
466 | struct koneplus_device *koneplus; | |
467 | struct usb_device *usb_dev; | |
468 | unsigned long profile; | |
469 | int retval; | |
470 | ||
471 | dev = dev->parent->parent; | |
472 | koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
473 | usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
474 | ||
475 | retval = strict_strtoul(buf, 10, &profile); | |
476 | if (retval) | |
477 | return retval; | |
478 | ||
479 | mutex_lock(&koneplus->koneplus_lock); | |
480 | retval = koneplus_set_startup_profile(usb_dev, profile); | |
481 | mutex_unlock(&koneplus->koneplus_lock); | |
482 | if (retval) | |
483 | return retval; | |
484 | ||
485 | return size; | |
486 | } | |
487 | ||
488 | static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev, | |
489 | struct device_attribute *attr, char *buf) | |
490 | { | |
491 | struct koneplus_device *koneplus = | |
492 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
493 | return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->actual_profile); | |
494 | } | |
495 | ||
496 | static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev, | |
497 | struct device_attribute *attr, char *buf) | |
498 | { | |
499 | struct koneplus_device *koneplus = | |
500 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
501 | return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->info.firmware_version); | |
502 | } | |
503 | ||
504 | static struct device_attribute koneplus_attributes[] = { | |
505 | __ATTR(startup_profile, 0660, | |
506 | koneplus_sysfs_show_startup_profile, | |
507 | koneplus_sysfs_set_startup_profile), | |
508 | __ATTR(actual_profile, 0440, | |
509 | koneplus_sysfs_show_actual_profile, NULL), | |
510 | __ATTR(firmware_version, 0440, | |
511 | koneplus_sysfs_show_firmware_version, NULL), | |
512 | __ATTR_NULL | |
513 | }; | |
514 | ||
515 | static struct bin_attribute koneplus_bin_attributes[] = { | |
516 | { | |
517 | .attr = { .name = "sensor", .mode = 0220 }, | |
518 | .size = sizeof(struct koneplus_sensor), | |
519 | .read = koneplus_sysfs_read_sensor, | |
520 | .write = koneplus_sysfs_write_sensor | |
521 | }, | |
522 | { | |
523 | .attr = { .name = "tcu", .mode = 0220 }, | |
524 | .size = sizeof(struct koneplus_tcu), | |
525 | .write = koneplus_sysfs_write_tcu | |
526 | }, | |
527 | { | |
528 | .attr = { .name = "tcu_image", .mode = 0440 }, | |
529 | .size = sizeof(struct koneplus_tcu_image), | |
530 | .read = koneplus_sysfs_read_tcu_image | |
531 | }, | |
532 | { | |
533 | .attr = { .name = "profile_settings", .mode = 0220 }, | |
534 | .size = sizeof(struct koneplus_profile_settings), | |
535 | .write = koneplus_sysfs_write_profile_settings | |
536 | }, | |
537 | { | |
538 | .attr = { .name = "profile1_settings", .mode = 0440 }, | |
539 | .size = sizeof(struct koneplus_profile_settings), | |
540 | .read = koneplus_sysfs_read_profilex_settings, | |
541 | .private = &profile_numbers[0] | |
542 | }, | |
543 | { | |
544 | .attr = { .name = "profile2_settings", .mode = 0440 }, | |
545 | .size = sizeof(struct koneplus_profile_settings), | |
546 | .read = koneplus_sysfs_read_profilex_settings, | |
547 | .private = &profile_numbers[1] | |
548 | }, | |
549 | { | |
550 | .attr = { .name = "profile3_settings", .mode = 0440 }, | |
551 | .size = sizeof(struct koneplus_profile_settings), | |
552 | .read = koneplus_sysfs_read_profilex_settings, | |
553 | .private = &profile_numbers[2] | |
554 | }, | |
555 | { | |
556 | .attr = { .name = "profile4_settings", .mode = 0440 }, | |
557 | .size = sizeof(struct koneplus_profile_settings), | |
558 | .read = koneplus_sysfs_read_profilex_settings, | |
559 | .private = &profile_numbers[3] | |
560 | }, | |
561 | { | |
562 | .attr = { .name = "profile5_settings", .mode = 0440 }, | |
563 | .size = sizeof(struct koneplus_profile_settings), | |
564 | .read = koneplus_sysfs_read_profilex_settings, | |
565 | .private = &profile_numbers[4] | |
566 | }, | |
567 | { | |
568 | .attr = { .name = "profile_buttons", .mode = 0220 }, | |
569 | .size = sizeof(struct koneplus_profile_buttons), | |
570 | .write = koneplus_sysfs_write_profile_buttons | |
571 | }, | |
572 | { | |
573 | .attr = { .name = "profile1_buttons", .mode = 0440 }, | |
574 | .size = sizeof(struct koneplus_profile_buttons), | |
575 | .read = koneplus_sysfs_read_profilex_buttons, | |
576 | .private = &profile_numbers[0] | |
577 | }, | |
578 | { | |
579 | .attr = { .name = "profile2_buttons", .mode = 0440 }, | |
580 | .size = sizeof(struct koneplus_profile_buttons), | |
581 | .read = koneplus_sysfs_read_profilex_buttons, | |
582 | .private = &profile_numbers[1] | |
583 | }, | |
584 | { | |
585 | .attr = { .name = "profile3_buttons", .mode = 0440 }, | |
586 | .size = sizeof(struct koneplus_profile_buttons), | |
587 | .read = koneplus_sysfs_read_profilex_buttons, | |
588 | .private = &profile_numbers[2] | |
589 | }, | |
590 | { | |
591 | .attr = { .name = "profile4_buttons", .mode = 0440 }, | |
592 | .size = sizeof(struct koneplus_profile_buttons), | |
593 | .read = koneplus_sysfs_read_profilex_buttons, | |
594 | .private = &profile_numbers[3] | |
595 | }, | |
596 | { | |
597 | .attr = { .name = "profile5_buttons", .mode = 0440 }, | |
598 | .size = sizeof(struct koneplus_profile_buttons), | |
599 | .read = koneplus_sysfs_read_profilex_buttons, | |
600 | .private = &profile_numbers[4] | |
601 | }, | |
602 | { | |
603 | .attr = { .name = "macro", .mode = 0220 }, | |
604 | .size = sizeof(struct koneplus_macro), | |
605 | .write = koneplus_sysfs_write_macro | |
606 | }, | |
607 | __ATTR_NULL | |
608 | }; | |
609 | ||
610 | static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev, | |
611 | struct koneplus_device *koneplus) | |
612 | { | |
613 | int retval, i; | |
614 | static uint wait = 70; /* device will freeze with just 60 */ | |
615 | ||
616 | mutex_init(&koneplus->koneplus_lock); | |
617 | ||
618 | koneplus->startup_profile = koneplus_get_startup_profile(usb_dev); | |
dacfecdb VK |
619 | if (koneplus->startup_profile < 0) |
620 | return koneplus->startup_profile; | |
47dbdbff SA |
621 | |
622 | msleep(wait); | |
623 | retval = koneplus_get_info(usb_dev, &koneplus->info); | |
624 | if (retval) | |
625 | return retval; | |
626 | ||
627 | for (i = 0; i < 5; ++i) { | |
628 | msleep(wait); | |
629 | retval = koneplus_get_profile_settings(usb_dev, | |
630 | &koneplus->profile_settings[i], i); | |
631 | if (retval) | |
632 | return retval; | |
633 | ||
634 | msleep(wait); | |
635 | retval = koneplus_get_profile_buttons(usb_dev, | |
636 | &koneplus->profile_buttons[i], i); | |
637 | if (retval) | |
638 | return retval; | |
639 | } | |
640 | ||
641 | koneplus_profile_activated(koneplus, koneplus->startup_profile); | |
642 | ||
643 | return 0; | |
644 | } | |
645 | ||
646 | static int koneplus_init_specials(struct hid_device *hdev) | |
647 | { | |
648 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
649 | struct usb_device *usb_dev = interface_to_usbdev(intf); | |
650 | struct koneplus_device *koneplus; | |
651 | int retval; | |
652 | ||
653 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
654 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
655 | ||
656 | koneplus = kzalloc(sizeof(*koneplus), GFP_KERNEL); | |
657 | if (!koneplus) { | |
658 | dev_err(&hdev->dev, "can't alloc device descriptor\n"); | |
659 | return -ENOMEM; | |
660 | } | |
661 | hid_set_drvdata(hdev, koneplus); | |
662 | ||
663 | retval = koneplus_init_koneplus_device_struct(usb_dev, koneplus); | |
664 | if (retval) { | |
665 | dev_err(&hdev->dev, | |
666 | "couldn't init struct koneplus_device\n"); | |
667 | goto exit_free; | |
668 | } | |
669 | ||
670 | retval = roccat_connect(koneplus_class, hdev); | |
671 | if (retval < 0) { | |
672 | dev_err(&hdev->dev, "couldn't init char dev\n"); | |
673 | } else { | |
674 | koneplus->chrdev_minor = retval; | |
675 | koneplus->roccat_claimed = 1; | |
676 | } | |
677 | } else { | |
678 | hid_set_drvdata(hdev, NULL); | |
679 | } | |
680 | ||
681 | return 0; | |
682 | exit_free: | |
683 | kfree(koneplus); | |
684 | return retval; | |
685 | } | |
686 | ||
687 | static void koneplus_remove_specials(struct hid_device *hdev) | |
688 | { | |
689 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
690 | struct koneplus_device *koneplus; | |
691 | ||
692 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
693 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
694 | koneplus = hid_get_drvdata(hdev); | |
695 | if (koneplus->roccat_claimed) | |
696 | roccat_disconnect(koneplus->chrdev_minor); | |
697 | kfree(koneplus); | |
698 | } | |
699 | } | |
700 | ||
701 | static int koneplus_probe(struct hid_device *hdev, | |
702 | const struct hid_device_id *id) | |
703 | { | |
704 | int retval; | |
705 | ||
706 | retval = hid_parse(hdev); | |
707 | if (retval) { | |
708 | dev_err(&hdev->dev, "parse failed\n"); | |
709 | goto exit; | |
710 | } | |
711 | ||
712 | retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
713 | if (retval) { | |
714 | dev_err(&hdev->dev, "hw start failed\n"); | |
715 | goto exit; | |
716 | } | |
717 | ||
718 | retval = koneplus_init_specials(hdev); | |
719 | if (retval) { | |
720 | dev_err(&hdev->dev, "couldn't install mouse\n"); | |
721 | goto exit_stop; | |
722 | } | |
723 | ||
724 | return 0; | |
725 | ||
726 | exit_stop: | |
727 | hid_hw_stop(hdev); | |
728 | exit: | |
729 | return retval; | |
730 | } | |
731 | ||
732 | static void koneplus_remove(struct hid_device *hdev) | |
733 | { | |
734 | koneplus_remove_specials(hdev); | |
735 | hid_hw_stop(hdev); | |
736 | } | |
737 | ||
738 | static void koneplus_keep_values_up_to_date(struct koneplus_device *koneplus, | |
739 | u8 const *data) | |
740 | { | |
741 | struct koneplus_mouse_report_button const *button_report; | |
742 | ||
743 | switch (data[0]) { | |
744 | case KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON: | |
745 | button_report = (struct koneplus_mouse_report_button const *)data; | |
746 | switch (button_report->type) { | |
747 | case KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE: | |
748 | koneplus_profile_activated(koneplus, button_report->data1 - 1); | |
749 | break; | |
750 | } | |
751 | break; | |
752 | } | |
753 | } | |
754 | ||
755 | static void koneplus_report_to_chrdev(struct koneplus_device const *koneplus, | |
756 | u8 const *data) | |
757 | { | |
758 | struct koneplus_roccat_report roccat_report; | |
759 | struct koneplus_mouse_report_button const *button_report; | |
760 | ||
761 | if (data[0] != KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON) | |
762 | return; | |
763 | ||
764 | button_report = (struct koneplus_mouse_report_button const *)data; | |
765 | ||
766 | if ((button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH || | |
767 | button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) && | |
768 | button_report->data2 != KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS) | |
769 | return; | |
770 | ||
771 | roccat_report.type = button_report->type; | |
772 | roccat_report.data1 = button_report->data1; | |
773 | roccat_report.data2 = button_report->data2; | |
774 | roccat_report.profile = koneplus->actual_profile + 1; | |
775 | roccat_report_event(koneplus->chrdev_minor, | |
776 | (uint8_t const *)&roccat_report, | |
777 | sizeof(struct koneplus_roccat_report)); | |
778 | } | |
779 | ||
780 | static int koneplus_raw_event(struct hid_device *hdev, | |
781 | struct hid_report *report, u8 *data, int size) | |
782 | { | |
783 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
784 | struct koneplus_device *koneplus = hid_get_drvdata(hdev); | |
785 | ||
786 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
787 | != USB_INTERFACE_PROTOCOL_MOUSE) | |
788 | return 0; | |
789 | ||
790 | koneplus_keep_values_up_to_date(koneplus, data); | |
791 | ||
792 | if (koneplus->roccat_claimed) | |
793 | koneplus_report_to_chrdev(koneplus, data); | |
794 | ||
795 | return 0; | |
796 | } | |
797 | ||
798 | static const struct hid_device_id koneplus_devices[] = { | |
799 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) }, | |
800 | { } | |
801 | }; | |
802 | ||
803 | MODULE_DEVICE_TABLE(hid, koneplus_devices); | |
804 | ||
805 | static struct hid_driver koneplus_driver = { | |
806 | .name = "koneplus", | |
807 | .id_table = koneplus_devices, | |
808 | .probe = koneplus_probe, | |
809 | .remove = koneplus_remove, | |
810 | .raw_event = koneplus_raw_event | |
811 | }; | |
812 | ||
813 | static int __init koneplus_init(void) | |
814 | { | |
815 | int retval; | |
816 | ||
817 | /* class name has to be same as driver name */ | |
818 | koneplus_class = class_create(THIS_MODULE, "koneplus"); | |
819 | if (IS_ERR(koneplus_class)) | |
820 | return PTR_ERR(koneplus_class); | |
821 | koneplus_class->dev_attrs = koneplus_attributes; | |
822 | koneplus_class->dev_bin_attrs = koneplus_bin_attributes; | |
823 | ||
824 | retval = hid_register_driver(&koneplus_driver); | |
825 | if (retval) | |
826 | class_destroy(koneplus_class); | |
827 | return retval; | |
828 | } | |
829 | ||
830 | static void __exit koneplus_exit(void) | |
831 | { | |
832 | class_destroy(koneplus_class); | |
833 | hid_unregister_driver(&koneplus_driver); | |
834 | } | |
835 | ||
836 | module_init(koneplus_init); | |
837 | module_exit(koneplus_exit); | |
838 | ||
839 | MODULE_AUTHOR("Stefan Achatz"); | |
840 | MODULE_DESCRIPTION("USB Roccat Kone[+] driver"); | |
841 | MODULE_LICENSE("GPL v2"); |