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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); | |
223 | ||
224 | retval = koneplus_receive(usb_dev, KONEPLUS_USB_COMMAND_STARTUP_PROFILE, | |
225 | buf, sizeof(struct koneplus_startup_profile)); | |
226 | ||
227 | if (retval) | |
228 | goto out; | |
229 | ||
230 | retval = buf->startup_profile; | |
231 | out: | |
232 | kfree(buf); | |
233 | return retval; | |
234 | } | |
235 | ||
236 | static int koneplus_set_startup_profile(struct usb_device *usb_dev, | |
237 | int startup_profile) | |
238 | { | |
239 | struct koneplus_startup_profile buf; | |
240 | ||
241 | buf.command = KONEPLUS_COMMAND_STARTUP_PROFILE; | |
242 | buf.size = sizeof(struct koneplus_startup_profile); | |
243 | buf.startup_profile = startup_profile; | |
244 | ||
245 | return koneplus_send(usb_dev, KONEPLUS_USB_COMMAND_STARTUP_PROFILE, | |
246 | (char *)&buf, sizeof(struct koneplus_profile_buttons)); | |
247 | } | |
248 | ||
249 | static ssize_t koneplus_sysfs_read(struct file *fp, struct kobject *kobj, | |
250 | char *buf, loff_t off, size_t count, | |
251 | size_t real_size, uint command) | |
252 | { | |
253 | struct device *dev = | |
254 | container_of(kobj, struct device, kobj)->parent->parent; | |
255 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
256 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
257 | int retval; | |
258 | ||
259 | if (off != 0 || count != real_size) | |
260 | return -EINVAL; | |
261 | ||
262 | mutex_lock(&koneplus->koneplus_lock); | |
263 | retval = koneplus_receive(usb_dev, command, buf, real_size); | |
264 | mutex_unlock(&koneplus->koneplus_lock); | |
265 | ||
266 | if (retval) | |
267 | return retval; | |
268 | ||
269 | return real_size; | |
270 | } | |
271 | ||
272 | static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj, | |
273 | void const *buf, loff_t off, size_t count, | |
274 | size_t real_size, uint command) | |
275 | { | |
276 | struct device *dev = | |
277 | container_of(kobj, struct device, kobj)->parent->parent; | |
278 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
279 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
280 | int retval; | |
281 | ||
282 | if (off != 0 || count != real_size) | |
283 | return -EINVAL; | |
284 | ||
285 | mutex_lock(&koneplus->koneplus_lock); | |
286 | retval = koneplus_send(usb_dev, command, (void *)buf, real_size); | |
287 | mutex_unlock(&koneplus->koneplus_lock); | |
288 | ||
289 | if (retval) | |
290 | return retval; | |
291 | ||
292 | return real_size; | |
293 | } | |
294 | ||
295 | static ssize_t koneplus_sysfs_write_macro(struct file *fp, | |
296 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
297 | loff_t off, size_t count) | |
298 | { | |
299 | return koneplus_sysfs_write(fp, kobj, buf, off, count, | |
300 | sizeof(struct koneplus_macro), KONEPLUS_USB_COMMAND_MACRO); | |
301 | } | |
302 | ||
303 | static ssize_t koneplus_sysfs_read_sensor(struct file *fp, | |
304 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
305 | loff_t off, size_t count) | |
306 | { | |
307 | return koneplus_sysfs_read(fp, kobj, buf, off, count, | |
308 | sizeof(struct koneplus_sensor), KONEPLUS_USB_COMMAND_SENSOR); | |
309 | } | |
310 | ||
311 | static ssize_t koneplus_sysfs_write_sensor(struct file *fp, | |
312 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
313 | loff_t off, size_t count) | |
314 | { | |
315 | return koneplus_sysfs_write(fp, kobj, buf, off, count, | |
316 | sizeof(struct koneplus_sensor), KONEPLUS_USB_COMMAND_SENSOR); | |
317 | } | |
318 | ||
319 | static ssize_t koneplus_sysfs_write_tcu(struct file *fp, | |
320 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
321 | loff_t off, size_t count) | |
322 | { | |
323 | return koneplus_sysfs_write(fp, kobj, buf, off, count, | |
324 | sizeof(struct koneplus_tcu), KONEPLUS_USB_COMMAND_TCU); | |
325 | } | |
326 | ||
327 | static ssize_t koneplus_sysfs_read_tcu_image(struct file *fp, | |
328 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
329 | loff_t off, size_t count) | |
330 | { | |
331 | return koneplus_sysfs_read(fp, kobj, buf, off, count, | |
332 | sizeof(struct koneplus_tcu_image), KONEPLUS_USB_COMMAND_TCU); | |
333 | } | |
334 | ||
335 | static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp, | |
336 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
337 | loff_t off, size_t count) | |
338 | { | |
339 | struct device *dev = | |
340 | container_of(kobj, struct device, kobj)->parent->parent; | |
341 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
342 | ||
343 | if (off >= sizeof(struct koneplus_profile_settings)) | |
344 | return 0; | |
345 | ||
346 | if (off + count > sizeof(struct koneplus_profile_settings)) | |
347 | count = sizeof(struct koneplus_profile_settings) - off; | |
348 | ||
349 | mutex_lock(&koneplus->koneplus_lock); | |
350 | memcpy(buf, ((void const *)&koneplus->profile_settings[*(uint *)(attr->private)]) + off, | |
351 | count); | |
352 | mutex_unlock(&koneplus->koneplus_lock); | |
353 | ||
354 | return count; | |
355 | } | |
356 | ||
357 | static ssize_t koneplus_sysfs_write_profile_settings(struct file *fp, | |
358 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
359 | loff_t off, size_t count) | |
360 | { | |
361 | struct device *dev = | |
362 | container_of(kobj, struct device, kobj)->parent->parent; | |
363 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
364 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
365 | int retval = 0; | |
366 | int difference; | |
367 | int profile_number; | |
368 | struct koneplus_profile_settings *profile_settings; | |
369 | ||
370 | if (off != 0 || count != sizeof(struct koneplus_profile_settings)) | |
371 | return -EINVAL; | |
372 | ||
373 | profile_number = ((struct koneplus_profile_settings const *)buf)->number; | |
374 | profile_settings = &koneplus->profile_settings[profile_number]; | |
375 | ||
376 | mutex_lock(&koneplus->koneplus_lock); | |
377 | difference = memcmp(buf, profile_settings, | |
378 | sizeof(struct koneplus_profile_settings)); | |
379 | if (difference) { | |
380 | retval = koneplus_set_profile_settings(usb_dev, | |
381 | (struct koneplus_profile_settings const *)buf); | |
382 | if (!retval) | |
383 | memcpy(profile_settings, buf, | |
384 | sizeof(struct koneplus_profile_settings)); | |
385 | } | |
386 | mutex_unlock(&koneplus->koneplus_lock); | |
387 | ||
388 | if (retval) | |
389 | return retval; | |
390 | ||
391 | return sizeof(struct koneplus_profile_settings); | |
392 | } | |
393 | ||
394 | static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp, | |
395 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
396 | loff_t off, size_t count) | |
397 | { | |
398 | struct device *dev = | |
399 | container_of(kobj, struct device, kobj)->parent->parent; | |
400 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
401 | ||
402 | if (off >= sizeof(struct koneplus_profile_buttons)) | |
403 | return 0; | |
404 | ||
405 | if (off + count > sizeof(struct koneplus_profile_buttons)) | |
406 | count = sizeof(struct koneplus_profile_buttons) - off; | |
407 | ||
408 | mutex_lock(&koneplus->koneplus_lock); | |
409 | memcpy(buf, ((void const *)&koneplus->profile_buttons[*(uint *)(attr->private)]) + off, | |
410 | count); | |
411 | mutex_unlock(&koneplus->koneplus_lock); | |
412 | ||
413 | return count; | |
414 | } | |
415 | ||
416 | static ssize_t koneplus_sysfs_write_profile_buttons(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 = | |
421 | container_of(kobj, struct device, kobj)->parent->parent; | |
422 | struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
423 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
424 | int retval = 0; | |
425 | int difference; | |
426 | uint profile_number; | |
427 | struct koneplus_profile_buttons *profile_buttons; | |
428 | ||
429 | if (off != 0 || count != sizeof(struct koneplus_profile_buttons)) | |
430 | return -EINVAL; | |
431 | ||
432 | profile_number = ((struct koneplus_profile_buttons const *)buf)->number; | |
433 | profile_buttons = &koneplus->profile_buttons[profile_number]; | |
434 | ||
435 | mutex_lock(&koneplus->koneplus_lock); | |
436 | difference = memcmp(buf, profile_buttons, | |
437 | sizeof(struct koneplus_profile_buttons)); | |
438 | if (difference) { | |
439 | retval = koneplus_set_profile_buttons(usb_dev, | |
440 | (struct koneplus_profile_buttons const *)buf); | |
441 | if (!retval) | |
442 | memcpy(profile_buttons, buf, | |
443 | sizeof(struct koneplus_profile_buttons)); | |
444 | } | |
445 | mutex_unlock(&koneplus->koneplus_lock); | |
446 | ||
447 | if (retval) | |
448 | return retval; | |
449 | ||
450 | return sizeof(struct koneplus_profile_buttons); | |
451 | } | |
452 | ||
453 | static ssize_t koneplus_sysfs_show_startup_profile(struct device *dev, | |
454 | struct device_attribute *attr, char *buf) | |
455 | { | |
456 | struct koneplus_device *koneplus = | |
457 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
458 | return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->startup_profile); | |
459 | } | |
460 | ||
461 | static ssize_t koneplus_sysfs_set_startup_profile(struct device *dev, | |
462 | struct device_attribute *attr, char const *buf, size_t size) | |
463 | { | |
464 | struct koneplus_device *koneplus; | |
465 | struct usb_device *usb_dev; | |
466 | unsigned long profile; | |
467 | int retval; | |
468 | ||
469 | dev = dev->parent->parent; | |
470 | koneplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
471 | usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
472 | ||
473 | retval = strict_strtoul(buf, 10, &profile); | |
474 | if (retval) | |
475 | return retval; | |
476 | ||
477 | mutex_lock(&koneplus->koneplus_lock); | |
478 | retval = koneplus_set_startup_profile(usb_dev, profile); | |
479 | mutex_unlock(&koneplus->koneplus_lock); | |
480 | if (retval) | |
481 | return retval; | |
482 | ||
483 | return size; | |
484 | } | |
485 | ||
486 | static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev, | |
487 | struct device_attribute *attr, char *buf) | |
488 | { | |
489 | struct koneplus_device *koneplus = | |
490 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
491 | return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->actual_profile); | |
492 | } | |
493 | ||
494 | static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev, | |
495 | struct device_attribute *attr, char *buf) | |
496 | { | |
497 | struct koneplus_device *koneplus = | |
498 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
499 | return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->info.firmware_version); | |
500 | } | |
501 | ||
502 | static struct device_attribute koneplus_attributes[] = { | |
503 | __ATTR(startup_profile, 0660, | |
504 | koneplus_sysfs_show_startup_profile, | |
505 | koneplus_sysfs_set_startup_profile), | |
506 | __ATTR(actual_profile, 0440, | |
507 | koneplus_sysfs_show_actual_profile, NULL), | |
508 | __ATTR(firmware_version, 0440, | |
509 | koneplus_sysfs_show_firmware_version, NULL), | |
510 | __ATTR_NULL | |
511 | }; | |
512 | ||
513 | static struct bin_attribute koneplus_bin_attributes[] = { | |
514 | { | |
515 | .attr = { .name = "sensor", .mode = 0220 }, | |
516 | .size = sizeof(struct koneplus_sensor), | |
517 | .read = koneplus_sysfs_read_sensor, | |
518 | .write = koneplus_sysfs_write_sensor | |
519 | }, | |
520 | { | |
521 | .attr = { .name = "tcu", .mode = 0220 }, | |
522 | .size = sizeof(struct koneplus_tcu), | |
523 | .write = koneplus_sysfs_write_tcu | |
524 | }, | |
525 | { | |
526 | .attr = { .name = "tcu_image", .mode = 0440 }, | |
527 | .size = sizeof(struct koneplus_tcu_image), | |
528 | .read = koneplus_sysfs_read_tcu_image | |
529 | }, | |
530 | { | |
531 | .attr = { .name = "profile_settings", .mode = 0220 }, | |
532 | .size = sizeof(struct koneplus_profile_settings), | |
533 | .write = koneplus_sysfs_write_profile_settings | |
534 | }, | |
535 | { | |
536 | .attr = { .name = "profile1_settings", .mode = 0440 }, | |
537 | .size = sizeof(struct koneplus_profile_settings), | |
538 | .read = koneplus_sysfs_read_profilex_settings, | |
539 | .private = &profile_numbers[0] | |
540 | }, | |
541 | { | |
542 | .attr = { .name = "profile2_settings", .mode = 0440 }, | |
543 | .size = sizeof(struct koneplus_profile_settings), | |
544 | .read = koneplus_sysfs_read_profilex_settings, | |
545 | .private = &profile_numbers[1] | |
546 | }, | |
547 | { | |
548 | .attr = { .name = "profile3_settings", .mode = 0440 }, | |
549 | .size = sizeof(struct koneplus_profile_settings), | |
550 | .read = koneplus_sysfs_read_profilex_settings, | |
551 | .private = &profile_numbers[2] | |
552 | }, | |
553 | { | |
554 | .attr = { .name = "profile4_settings", .mode = 0440 }, | |
555 | .size = sizeof(struct koneplus_profile_settings), | |
556 | .read = koneplus_sysfs_read_profilex_settings, | |
557 | .private = &profile_numbers[3] | |
558 | }, | |
559 | { | |
560 | .attr = { .name = "profile5_settings", .mode = 0440 }, | |
561 | .size = sizeof(struct koneplus_profile_settings), | |
562 | .read = koneplus_sysfs_read_profilex_settings, | |
563 | .private = &profile_numbers[4] | |
564 | }, | |
565 | { | |
566 | .attr = { .name = "profile_buttons", .mode = 0220 }, | |
567 | .size = sizeof(struct koneplus_profile_buttons), | |
568 | .write = koneplus_sysfs_write_profile_buttons | |
569 | }, | |
570 | { | |
571 | .attr = { .name = "profile1_buttons", .mode = 0440 }, | |
572 | .size = sizeof(struct koneplus_profile_buttons), | |
573 | .read = koneplus_sysfs_read_profilex_buttons, | |
574 | .private = &profile_numbers[0] | |
575 | }, | |
576 | { | |
577 | .attr = { .name = "profile2_buttons", .mode = 0440 }, | |
578 | .size = sizeof(struct koneplus_profile_buttons), | |
579 | .read = koneplus_sysfs_read_profilex_buttons, | |
580 | .private = &profile_numbers[1] | |
581 | }, | |
582 | { | |
583 | .attr = { .name = "profile3_buttons", .mode = 0440 }, | |
584 | .size = sizeof(struct koneplus_profile_buttons), | |
585 | .read = koneplus_sysfs_read_profilex_buttons, | |
586 | .private = &profile_numbers[2] | |
587 | }, | |
588 | { | |
589 | .attr = { .name = "profile4_buttons", .mode = 0440 }, | |
590 | .size = sizeof(struct koneplus_profile_buttons), | |
591 | .read = koneplus_sysfs_read_profilex_buttons, | |
592 | .private = &profile_numbers[3] | |
593 | }, | |
594 | { | |
595 | .attr = { .name = "profile5_buttons", .mode = 0440 }, | |
596 | .size = sizeof(struct koneplus_profile_buttons), | |
597 | .read = koneplus_sysfs_read_profilex_buttons, | |
598 | .private = &profile_numbers[4] | |
599 | }, | |
600 | { | |
601 | .attr = { .name = "macro", .mode = 0220 }, | |
602 | .size = sizeof(struct koneplus_macro), | |
603 | .write = koneplus_sysfs_write_macro | |
604 | }, | |
605 | __ATTR_NULL | |
606 | }; | |
607 | ||
608 | static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev, | |
609 | struct koneplus_device *koneplus) | |
610 | { | |
611 | int retval, i; | |
612 | static uint wait = 70; /* device will freeze with just 60 */ | |
613 | ||
614 | mutex_init(&koneplus->koneplus_lock); | |
615 | ||
616 | koneplus->startup_profile = koneplus_get_startup_profile(usb_dev); | |
617 | ||
618 | msleep(wait); | |
619 | retval = koneplus_get_info(usb_dev, &koneplus->info); | |
620 | if (retval) | |
621 | return retval; | |
622 | ||
623 | for (i = 0; i < 5; ++i) { | |
624 | msleep(wait); | |
625 | retval = koneplus_get_profile_settings(usb_dev, | |
626 | &koneplus->profile_settings[i], i); | |
627 | if (retval) | |
628 | return retval; | |
629 | ||
630 | msleep(wait); | |
631 | retval = koneplus_get_profile_buttons(usb_dev, | |
632 | &koneplus->profile_buttons[i], i); | |
633 | if (retval) | |
634 | return retval; | |
635 | } | |
636 | ||
637 | koneplus_profile_activated(koneplus, koneplus->startup_profile); | |
638 | ||
639 | return 0; | |
640 | } | |
641 | ||
642 | static int koneplus_init_specials(struct hid_device *hdev) | |
643 | { | |
644 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
645 | struct usb_device *usb_dev = interface_to_usbdev(intf); | |
646 | struct koneplus_device *koneplus; | |
647 | int retval; | |
648 | ||
649 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
650 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
651 | ||
652 | koneplus = kzalloc(sizeof(*koneplus), GFP_KERNEL); | |
653 | if (!koneplus) { | |
654 | dev_err(&hdev->dev, "can't alloc device descriptor\n"); | |
655 | return -ENOMEM; | |
656 | } | |
657 | hid_set_drvdata(hdev, koneplus); | |
658 | ||
659 | retval = koneplus_init_koneplus_device_struct(usb_dev, koneplus); | |
660 | if (retval) { | |
661 | dev_err(&hdev->dev, | |
662 | "couldn't init struct koneplus_device\n"); | |
663 | goto exit_free; | |
664 | } | |
665 | ||
666 | retval = roccat_connect(koneplus_class, hdev); | |
667 | if (retval < 0) { | |
668 | dev_err(&hdev->dev, "couldn't init char dev\n"); | |
669 | } else { | |
670 | koneplus->chrdev_minor = retval; | |
671 | koneplus->roccat_claimed = 1; | |
672 | } | |
673 | } else { | |
674 | hid_set_drvdata(hdev, NULL); | |
675 | } | |
676 | ||
677 | return 0; | |
678 | exit_free: | |
679 | kfree(koneplus); | |
680 | return retval; | |
681 | } | |
682 | ||
683 | static void koneplus_remove_specials(struct hid_device *hdev) | |
684 | { | |
685 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
686 | struct koneplus_device *koneplus; | |
687 | ||
688 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
689 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
690 | koneplus = hid_get_drvdata(hdev); | |
691 | if (koneplus->roccat_claimed) | |
692 | roccat_disconnect(koneplus->chrdev_minor); | |
693 | kfree(koneplus); | |
694 | } | |
695 | } | |
696 | ||
697 | static int koneplus_probe(struct hid_device *hdev, | |
698 | const struct hid_device_id *id) | |
699 | { | |
700 | int retval; | |
701 | ||
702 | retval = hid_parse(hdev); | |
703 | if (retval) { | |
704 | dev_err(&hdev->dev, "parse failed\n"); | |
705 | goto exit; | |
706 | } | |
707 | ||
708 | retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
709 | if (retval) { | |
710 | dev_err(&hdev->dev, "hw start failed\n"); | |
711 | goto exit; | |
712 | } | |
713 | ||
714 | retval = koneplus_init_specials(hdev); | |
715 | if (retval) { | |
716 | dev_err(&hdev->dev, "couldn't install mouse\n"); | |
717 | goto exit_stop; | |
718 | } | |
719 | ||
720 | return 0; | |
721 | ||
722 | exit_stop: | |
723 | hid_hw_stop(hdev); | |
724 | exit: | |
725 | return retval; | |
726 | } | |
727 | ||
728 | static void koneplus_remove(struct hid_device *hdev) | |
729 | { | |
730 | koneplus_remove_specials(hdev); | |
731 | hid_hw_stop(hdev); | |
732 | } | |
733 | ||
734 | static void koneplus_keep_values_up_to_date(struct koneplus_device *koneplus, | |
735 | u8 const *data) | |
736 | { | |
737 | struct koneplus_mouse_report_button const *button_report; | |
738 | ||
739 | switch (data[0]) { | |
740 | case KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON: | |
741 | button_report = (struct koneplus_mouse_report_button const *)data; | |
742 | switch (button_report->type) { | |
743 | case KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE: | |
744 | koneplus_profile_activated(koneplus, button_report->data1 - 1); | |
745 | break; | |
746 | } | |
747 | break; | |
748 | } | |
749 | } | |
750 | ||
751 | static void koneplus_report_to_chrdev(struct koneplus_device const *koneplus, | |
752 | u8 const *data) | |
753 | { | |
754 | struct koneplus_roccat_report roccat_report; | |
755 | struct koneplus_mouse_report_button const *button_report; | |
756 | ||
757 | if (data[0] != KONEPLUS_MOUSE_REPORT_NUMBER_BUTTON) | |
758 | return; | |
759 | ||
760 | button_report = (struct koneplus_mouse_report_button const *)data; | |
761 | ||
762 | if ((button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH || | |
763 | button_report->type == KONEPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) && | |
764 | button_report->data2 != KONEPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS) | |
765 | return; | |
766 | ||
767 | roccat_report.type = button_report->type; | |
768 | roccat_report.data1 = button_report->data1; | |
769 | roccat_report.data2 = button_report->data2; | |
770 | roccat_report.profile = koneplus->actual_profile + 1; | |
771 | roccat_report_event(koneplus->chrdev_minor, | |
772 | (uint8_t const *)&roccat_report, | |
773 | sizeof(struct koneplus_roccat_report)); | |
774 | } | |
775 | ||
776 | static int koneplus_raw_event(struct hid_device *hdev, | |
777 | struct hid_report *report, u8 *data, int size) | |
778 | { | |
779 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
780 | struct koneplus_device *koneplus = hid_get_drvdata(hdev); | |
781 | ||
782 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
783 | != USB_INTERFACE_PROTOCOL_MOUSE) | |
784 | return 0; | |
785 | ||
786 | koneplus_keep_values_up_to_date(koneplus, data); | |
787 | ||
788 | if (koneplus->roccat_claimed) | |
789 | koneplus_report_to_chrdev(koneplus, data); | |
790 | ||
791 | return 0; | |
792 | } | |
793 | ||
794 | static const struct hid_device_id koneplus_devices[] = { | |
795 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) }, | |
796 | { } | |
797 | }; | |
798 | ||
799 | MODULE_DEVICE_TABLE(hid, koneplus_devices); | |
800 | ||
801 | static struct hid_driver koneplus_driver = { | |
802 | .name = "koneplus", | |
803 | .id_table = koneplus_devices, | |
804 | .probe = koneplus_probe, | |
805 | .remove = koneplus_remove, | |
806 | .raw_event = koneplus_raw_event | |
807 | }; | |
808 | ||
809 | static int __init koneplus_init(void) | |
810 | { | |
811 | int retval; | |
812 | ||
813 | /* class name has to be same as driver name */ | |
814 | koneplus_class = class_create(THIS_MODULE, "koneplus"); | |
815 | if (IS_ERR(koneplus_class)) | |
816 | return PTR_ERR(koneplus_class); | |
817 | koneplus_class->dev_attrs = koneplus_attributes; | |
818 | koneplus_class->dev_bin_attrs = koneplus_bin_attributes; | |
819 | ||
820 | retval = hid_register_driver(&koneplus_driver); | |
821 | if (retval) | |
822 | class_destroy(koneplus_class); | |
823 | return retval; | |
824 | } | |
825 | ||
826 | static void __exit koneplus_exit(void) | |
827 | { | |
828 | class_destroy(koneplus_class); | |
829 | hid_unregister_driver(&koneplus_driver); | |
830 | } | |
831 | ||
832 | module_init(koneplus_init); | |
833 | module_exit(koneplus_exit); | |
834 | ||
835 | MODULE_AUTHOR("Stefan Achatz"); | |
836 | MODULE_DESCRIPTION("USB Roccat Kone[+] driver"); | |
837 | MODULE_LICENSE("GPL v2"); |