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cb7cf3da SA |
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 | ||
30 | static 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 | ||
37 | static 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 | ||
65 | static 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 { | |
4291ee30 JP |
90 | hid_err(usb_dev, "receive control status: unknown response 0x%x 0x%x\n", |
91 | control.request, control.value); | |
cb7cf3da SA |
92 | return -EINVAL; |
93 | } | |
94 | } | |
95 | ||
96 | static int pyra_get_profile_settings(struct usb_device *usb_dev, | |
97 | struct pyra_profile_settings *buf, int number) | |
98 | { | |
99 | int retval; | |
100 | ||
101 | retval = pyra_send_control(usb_dev, number, | |
102 | PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); | |
103 | ||
104 | if (retval) | |
105 | return retval; | |
106 | ||
107 | retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
108 | USB_REQ_CLEAR_FEATURE, | |
109 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
110 | PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)buf, | |
111 | sizeof(struct pyra_profile_settings), | |
112 | USB_CTRL_SET_TIMEOUT); | |
113 | ||
114 | if (retval != sizeof(struct pyra_profile_settings)) | |
115 | return retval; | |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
120 | static int pyra_get_profile_buttons(struct usb_device *usb_dev, | |
121 | struct pyra_profile_buttons *buf, int number) | |
122 | { | |
123 | int retval; | |
124 | ||
125 | retval = pyra_send_control(usb_dev, number, | |
126 | PYRA_CONTROL_REQUEST_PROFILE_BUTTONS); | |
127 | ||
128 | if (retval) | |
129 | return retval; | |
130 | ||
131 | retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
132 | USB_REQ_CLEAR_FEATURE, | |
133 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
134 | PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buf, | |
135 | sizeof(struct pyra_profile_buttons), | |
136 | USB_CTRL_SET_TIMEOUT); | |
137 | ||
138 | if (retval != sizeof(struct pyra_profile_buttons)) | |
139 | return retval; | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
144 | static int pyra_get_settings(struct usb_device *usb_dev, | |
145 | struct pyra_settings *buf) | |
146 | { | |
147 | int len; | |
148 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
149 | USB_REQ_CLEAR_FEATURE, | |
150 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
151 | PYRA_USB_COMMAND_SETTINGS, 0, buf, | |
152 | sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); | |
153 | if (len != sizeof(struct pyra_settings)) | |
154 | return -EIO; | |
155 | return 0; | |
156 | } | |
157 | ||
158 | static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf) | |
159 | { | |
160 | int len; | |
161 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
162 | USB_REQ_CLEAR_FEATURE, | |
163 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
164 | PYRA_USB_COMMAND_INFO, 0, buf, | |
165 | sizeof(struct pyra_info), USB_CTRL_SET_TIMEOUT); | |
166 | if (len != sizeof(struct pyra_info)) | |
167 | return -EIO; | |
168 | return 0; | |
169 | } | |
170 | ||
171 | static int pyra_set_profile_settings(struct usb_device *usb_dev, | |
172 | struct pyra_profile_settings const *settings) | |
173 | { | |
174 | int len; | |
175 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
176 | USB_REQ_SET_CONFIGURATION, | |
177 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, | |
178 | PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)settings, | |
179 | sizeof(struct pyra_profile_settings), | |
180 | USB_CTRL_SET_TIMEOUT); | |
181 | if (len != sizeof(struct pyra_profile_settings)) | |
182 | return -EIO; | |
183 | if (pyra_receive_control_status(usb_dev)) | |
184 | return -EIO; | |
185 | return 0; | |
186 | } | |
187 | ||
188 | static int pyra_set_profile_buttons(struct usb_device *usb_dev, | |
189 | struct pyra_profile_buttons const *buttons) | |
190 | { | |
191 | int len; | |
192 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
193 | USB_REQ_SET_CONFIGURATION, | |
194 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, | |
195 | PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buttons, | |
196 | sizeof(struct pyra_profile_buttons), | |
197 | USB_CTRL_SET_TIMEOUT); | |
198 | if (len != sizeof(struct pyra_profile_buttons)) | |
199 | return -EIO; | |
200 | if (pyra_receive_control_status(usb_dev)) | |
201 | return -EIO; | |
202 | return 0; | |
203 | } | |
204 | ||
205 | static int pyra_set_settings(struct usb_device *usb_dev, | |
206 | struct pyra_settings const *settings) | |
207 | { | |
208 | int len; | |
209 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
210 | USB_REQ_SET_CONFIGURATION, | |
211 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, | |
212 | PYRA_USB_COMMAND_SETTINGS, 0, (char *)settings, | |
213 | sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); | |
214 | if (len != sizeof(struct pyra_settings)) | |
215 | return -EIO; | |
216 | if (pyra_receive_control_status(usb_dev)) | |
217 | return -EIO; | |
218 | return 0; | |
219 | } | |
220 | ||
221 | static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp, | |
222 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
223 | loff_t off, size_t count, int number) | |
224 | { | |
225 | struct device *dev = container_of(kobj, struct device, kobj); | |
226 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); | |
227 | ||
228 | if (off >= sizeof(struct pyra_profile_settings)) | |
229 | return 0; | |
230 | ||
231 | if (off + count > sizeof(struct pyra_profile_settings)) | |
232 | count = sizeof(struct pyra_profile_settings) - off; | |
233 | ||
234 | mutex_lock(&pyra->pyra_lock); | |
235 | memcpy(buf, ((char const *)&pyra->profile_settings[number]) + off, | |
236 | count); | |
237 | mutex_unlock(&pyra->pyra_lock); | |
238 | ||
239 | return count; | |
240 | } | |
241 | ||
242 | static ssize_t pyra_sysfs_read_profile1_settings(struct file *fp, | |
243 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
244 | loff_t off, size_t count) | |
245 | { | |
246 | return pyra_sysfs_read_profilex_settings(fp, kobj, | |
247 | attr, buf, off, count, 0); | |
248 | } | |
249 | ||
250 | static ssize_t pyra_sysfs_read_profile2_settings(struct file *fp, | |
251 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
252 | loff_t off, size_t count) | |
253 | { | |
254 | return pyra_sysfs_read_profilex_settings(fp, kobj, | |
255 | attr, buf, off, count, 1); | |
256 | } | |
257 | ||
258 | static ssize_t pyra_sysfs_read_profile3_settings(struct file *fp, | |
259 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
260 | loff_t off, size_t count) | |
261 | { | |
262 | return pyra_sysfs_read_profilex_settings(fp, kobj, | |
263 | attr, buf, off, count, 2); | |
264 | } | |
265 | ||
266 | static ssize_t pyra_sysfs_read_profile4_settings(struct file *fp, | |
267 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
268 | loff_t off, size_t count) | |
269 | { | |
270 | return pyra_sysfs_read_profilex_settings(fp, kobj, | |
271 | attr, buf, off, count, 3); | |
272 | } | |
273 | ||
274 | static ssize_t pyra_sysfs_read_profile5_settings(struct file *fp, | |
275 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
276 | loff_t off, size_t count) | |
277 | { | |
278 | return pyra_sysfs_read_profilex_settings(fp, kobj, | |
279 | attr, buf, off, count, 4); | |
280 | } | |
281 | ||
282 | static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, | |
283 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
284 | loff_t off, size_t count, int number) | |
285 | { | |
286 | struct device *dev = container_of(kobj, struct device, kobj); | |
287 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); | |
288 | ||
289 | if (off >= sizeof(struct pyra_profile_buttons)) | |
290 | return 0; | |
291 | ||
292 | if (off + count > sizeof(struct pyra_profile_buttons)) | |
293 | count = sizeof(struct pyra_profile_buttons) - off; | |
294 | ||
295 | mutex_lock(&pyra->pyra_lock); | |
296 | memcpy(buf, ((char const *)&pyra->profile_buttons[number]) + off, | |
297 | count); | |
298 | mutex_unlock(&pyra->pyra_lock); | |
299 | ||
300 | return count; | |
301 | } | |
302 | ||
303 | static ssize_t pyra_sysfs_read_profile1_buttons(struct file *fp, | |
304 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
305 | loff_t off, size_t count) | |
306 | { | |
307 | return pyra_sysfs_read_profilex_buttons(fp, kobj, | |
308 | attr, buf, off, count, 0); | |
309 | } | |
310 | ||
311 | static ssize_t pyra_sysfs_read_profile2_buttons(struct file *fp, | |
312 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
313 | loff_t off, size_t count) | |
314 | { | |
315 | return pyra_sysfs_read_profilex_buttons(fp, kobj, | |
316 | attr, buf, off, count, 1); | |
317 | } | |
318 | ||
319 | static ssize_t pyra_sysfs_read_profile3_buttons(struct file *fp, | |
320 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
321 | loff_t off, size_t count) | |
322 | { | |
323 | return pyra_sysfs_read_profilex_buttons(fp, kobj, | |
324 | attr, buf, off, count, 2); | |
325 | } | |
326 | ||
327 | static ssize_t pyra_sysfs_read_profile4_buttons(struct file *fp, | |
328 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
329 | loff_t off, size_t count) | |
330 | { | |
331 | return pyra_sysfs_read_profilex_buttons(fp, kobj, | |
332 | attr, buf, off, count, 3); | |
333 | } | |
334 | ||
335 | static ssize_t pyra_sysfs_read_profile5_buttons(struct file *fp, | |
336 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
337 | loff_t off, size_t count) | |
338 | { | |
339 | return pyra_sysfs_read_profilex_buttons(fp, kobj, | |
340 | attr, buf, off, count, 4); | |
341 | } | |
342 | ||
343 | static ssize_t pyra_sysfs_write_profile_settings(struct file *fp, | |
344 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
345 | loff_t off, size_t count) | |
346 | { | |
347 | struct device *dev = container_of(kobj, struct device, kobj); | |
348 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); | |
349 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
350 | int retval = 0; | |
351 | int difference; | |
352 | int profile_number; | |
353 | struct pyra_profile_settings *profile_settings; | |
354 | ||
355 | if (off != 0 || count != sizeof(struct pyra_profile_settings)) | |
356 | return -EINVAL; | |
357 | ||
358 | profile_number = ((struct pyra_profile_settings const *)buf)->number; | |
359 | profile_settings = &pyra->profile_settings[profile_number]; | |
360 | ||
361 | mutex_lock(&pyra->pyra_lock); | |
362 | difference = memcmp(buf, profile_settings, | |
363 | sizeof(struct pyra_profile_settings)); | |
364 | if (difference) { | |
365 | retval = pyra_set_profile_settings(usb_dev, | |
366 | (struct pyra_profile_settings const *)buf); | |
367 | if (!retval) | |
368 | memcpy(profile_settings, buf, | |
369 | sizeof(struct pyra_profile_settings)); | |
370 | } | |
371 | mutex_unlock(&pyra->pyra_lock); | |
372 | ||
373 | if (retval) | |
374 | return retval; | |
375 | ||
376 | return sizeof(struct pyra_profile_settings); | |
377 | } | |
378 | ||
379 | static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp, | |
380 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
381 | loff_t off, size_t count) | |
382 | { | |
383 | struct device *dev = container_of(kobj, struct device, kobj); | |
384 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); | |
385 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
386 | int retval = 0; | |
387 | int difference; | |
388 | int profile_number; | |
389 | struct pyra_profile_buttons *profile_buttons; | |
390 | ||
391 | if (off != 0 || count != sizeof(struct pyra_profile_buttons)) | |
392 | return -EINVAL; | |
393 | ||
394 | profile_number = ((struct pyra_profile_buttons const *)buf)->number; | |
395 | profile_buttons = &pyra->profile_buttons[profile_number]; | |
396 | ||
397 | mutex_lock(&pyra->pyra_lock); | |
398 | difference = memcmp(buf, profile_buttons, | |
399 | sizeof(struct pyra_profile_buttons)); | |
400 | if (difference) { | |
401 | retval = pyra_set_profile_buttons(usb_dev, | |
402 | (struct pyra_profile_buttons const *)buf); | |
403 | if (!retval) | |
404 | memcpy(profile_buttons, buf, | |
405 | sizeof(struct pyra_profile_buttons)); | |
406 | } | |
407 | mutex_unlock(&pyra->pyra_lock); | |
408 | ||
409 | if (retval) | |
410 | return retval; | |
411 | ||
412 | return sizeof(struct pyra_profile_buttons); | |
413 | } | |
414 | ||
415 | static ssize_t pyra_sysfs_read_settings(struct file *fp, | |
416 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
417 | loff_t off, size_t count) | |
418 | { | |
419 | struct device *dev = container_of(kobj, struct device, kobj); | |
420 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); | |
421 | ||
422 | if (off >= sizeof(struct pyra_settings)) | |
423 | return 0; | |
424 | ||
425 | if (off + count > sizeof(struct pyra_settings)) | |
426 | count = sizeof(struct pyra_settings) - off; | |
427 | ||
428 | mutex_lock(&pyra->pyra_lock); | |
429 | memcpy(buf, ((char const *)&pyra->settings) + off, count); | |
430 | mutex_unlock(&pyra->pyra_lock); | |
431 | ||
432 | return count; | |
433 | } | |
434 | ||
435 | static ssize_t pyra_sysfs_write_settings(struct file *fp, | |
436 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
437 | loff_t off, size_t count) | |
438 | { | |
439 | struct device *dev = container_of(kobj, struct device, kobj); | |
440 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); | |
441 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
442 | int retval = 0; | |
443 | int difference; | |
444 | ||
445 | if (off != 0 || count != sizeof(struct pyra_settings)) | |
446 | return -EINVAL; | |
447 | ||
448 | mutex_lock(&pyra->pyra_lock); | |
449 | difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings)); | |
450 | if (difference) { | |
451 | retval = pyra_set_settings(usb_dev, | |
452 | (struct pyra_settings const *)buf); | |
453 | if (!retval) | |
454 | memcpy(&pyra->settings, buf, | |
455 | sizeof(struct pyra_settings)); | |
456 | } | |
457 | mutex_unlock(&pyra->pyra_lock); | |
458 | ||
459 | if (retval) | |
460 | return retval; | |
461 | ||
462 | profile_activated(pyra, pyra->settings.startup_profile); | |
463 | ||
464 | return sizeof(struct pyra_settings); | |
465 | } | |
466 | ||
467 | ||
468 | static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev, | |
469 | struct device_attribute *attr, char *buf) | |
470 | { | |
471 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); | |
472 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi); | |
473 | } | |
474 | ||
475 | static ssize_t pyra_sysfs_show_actual_profile(struct device *dev, | |
476 | struct device_attribute *attr, char *buf) | |
477 | { | |
478 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); | |
479 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile); | |
480 | } | |
481 | ||
482 | static ssize_t pyra_sysfs_show_firmware_version(struct device *dev, | |
483 | struct device_attribute *attr, char *buf) | |
484 | { | |
485 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); | |
486 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version); | |
487 | } | |
488 | ||
489 | static ssize_t pyra_sysfs_show_startup_profile(struct device *dev, | |
490 | struct device_attribute *attr, char *buf) | |
491 | { | |
492 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); | |
493 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile); | |
494 | } | |
495 | ||
496 | static DEVICE_ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL); | |
497 | ||
498 | static DEVICE_ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL); | |
499 | ||
500 | static DEVICE_ATTR(firmware_version, 0440, | |
501 | pyra_sysfs_show_firmware_version, NULL); | |
502 | ||
503 | static DEVICE_ATTR(startup_profile, 0440, | |
504 | pyra_sysfs_show_startup_profile, NULL); | |
505 | ||
506 | static struct attribute *pyra_attributes[] = { | |
507 | &dev_attr_actual_cpi.attr, | |
508 | &dev_attr_actual_profile.attr, | |
509 | &dev_attr_firmware_version.attr, | |
510 | &dev_attr_startup_profile.attr, | |
511 | NULL | |
512 | }; | |
513 | ||
514 | static struct attribute_group pyra_attribute_group = { | |
515 | .attrs = pyra_attributes | |
516 | }; | |
517 | ||
518 | static struct bin_attribute pyra_profile_settings_attr = { | |
519 | .attr = { .name = "profile_settings", .mode = 0220 }, | |
520 | .size = sizeof(struct pyra_profile_settings), | |
521 | .write = pyra_sysfs_write_profile_settings | |
522 | }; | |
523 | ||
524 | static struct bin_attribute pyra_profile1_settings_attr = { | |
525 | .attr = { .name = "profile1_settings", .mode = 0440 }, | |
526 | .size = sizeof(struct pyra_profile_settings), | |
527 | .read = pyra_sysfs_read_profile1_settings | |
528 | }; | |
529 | ||
530 | static struct bin_attribute pyra_profile2_settings_attr = { | |
531 | .attr = { .name = "profile2_settings", .mode = 0440 }, | |
532 | .size = sizeof(struct pyra_profile_settings), | |
533 | .read = pyra_sysfs_read_profile2_settings | |
534 | }; | |
535 | ||
536 | static struct bin_attribute pyra_profile3_settings_attr = { | |
537 | .attr = { .name = "profile3_settings", .mode = 0440 }, | |
538 | .size = sizeof(struct pyra_profile_settings), | |
539 | .read = pyra_sysfs_read_profile3_settings | |
540 | }; | |
541 | ||
542 | static struct bin_attribute pyra_profile4_settings_attr = { | |
543 | .attr = { .name = "profile4_settings", .mode = 0440 }, | |
544 | .size = sizeof(struct pyra_profile_settings), | |
545 | .read = pyra_sysfs_read_profile4_settings | |
546 | }; | |
547 | ||
548 | static struct bin_attribute pyra_profile5_settings_attr = { | |
549 | .attr = { .name = "profile5_settings", .mode = 0440 }, | |
550 | .size = sizeof(struct pyra_profile_settings), | |
551 | .read = pyra_sysfs_read_profile5_settings | |
552 | }; | |
553 | ||
554 | static struct bin_attribute pyra_profile_buttons_attr = { | |
555 | .attr = { .name = "profile_buttons", .mode = 0220 }, | |
556 | .size = sizeof(struct pyra_profile_buttons), | |
557 | .write = pyra_sysfs_write_profile_buttons | |
558 | }; | |
559 | ||
560 | static struct bin_attribute pyra_profile1_buttons_attr = { | |
561 | .attr = { .name = "profile1_buttons", .mode = 0440 }, | |
562 | .size = sizeof(struct pyra_profile_buttons), | |
563 | .read = pyra_sysfs_read_profile1_buttons | |
564 | }; | |
565 | ||
566 | static struct bin_attribute pyra_profile2_buttons_attr = { | |
567 | .attr = { .name = "profile2_buttons", .mode = 0440 }, | |
568 | .size = sizeof(struct pyra_profile_buttons), | |
569 | .read = pyra_sysfs_read_profile2_buttons | |
570 | }; | |
571 | ||
572 | static struct bin_attribute pyra_profile3_buttons_attr = { | |
573 | .attr = { .name = "profile3_buttons", .mode = 0440 }, | |
574 | .size = sizeof(struct pyra_profile_buttons), | |
575 | .read = pyra_sysfs_read_profile3_buttons | |
576 | }; | |
577 | ||
578 | static struct bin_attribute pyra_profile4_buttons_attr = { | |
579 | .attr = { .name = "profile4_buttons", .mode = 0440 }, | |
580 | .size = sizeof(struct pyra_profile_buttons), | |
581 | .read = pyra_sysfs_read_profile4_buttons | |
582 | }; | |
583 | ||
584 | static struct bin_attribute pyra_profile5_buttons_attr = { | |
585 | .attr = { .name = "profile5_buttons", .mode = 0440 }, | |
586 | .size = sizeof(struct pyra_profile_buttons), | |
587 | .read = pyra_sysfs_read_profile5_buttons | |
588 | }; | |
589 | ||
590 | static struct bin_attribute pyra_settings_attr = { | |
591 | .attr = { .name = "settings", .mode = 0660 }, | |
592 | .size = sizeof(struct pyra_settings), | |
593 | .read = pyra_sysfs_read_settings, | |
594 | .write = pyra_sysfs_write_settings | |
595 | }; | |
596 | ||
597 | static int pyra_create_sysfs_attributes(struct usb_interface *intf) | |
598 | { | |
599 | int retval; | |
600 | ||
601 | retval = sysfs_create_group(&intf->dev.kobj, &pyra_attribute_group); | |
602 | if (retval) | |
603 | goto exit_1; | |
604 | ||
605 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
606 | &pyra_profile_settings_attr); | |
607 | if (retval) | |
608 | goto exit_2; | |
609 | ||
610 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
611 | &pyra_profile1_settings_attr); | |
612 | if (retval) | |
613 | goto exit_3; | |
614 | ||
615 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
616 | &pyra_profile2_settings_attr); | |
617 | if (retval) | |
618 | goto exit_4; | |
619 | ||
620 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
621 | &pyra_profile3_settings_attr); | |
622 | if (retval) | |
623 | goto exit_5; | |
624 | ||
625 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
626 | &pyra_profile4_settings_attr); | |
627 | if (retval) | |
628 | goto exit_6; | |
629 | ||
630 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
631 | &pyra_profile5_settings_attr); | |
632 | if (retval) | |
633 | goto exit_7; | |
634 | ||
635 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
636 | &pyra_profile_buttons_attr); | |
637 | if (retval) | |
638 | goto exit_8; | |
639 | ||
640 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
641 | &pyra_profile1_buttons_attr); | |
642 | if (retval) | |
643 | goto exit_9; | |
644 | ||
645 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
646 | &pyra_profile2_buttons_attr); | |
647 | if (retval) | |
648 | goto exit_10; | |
649 | ||
650 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
651 | &pyra_profile3_buttons_attr); | |
652 | if (retval) | |
653 | goto exit_11; | |
654 | ||
655 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
656 | &pyra_profile4_buttons_attr); | |
657 | if (retval) | |
658 | goto exit_12; | |
659 | ||
660 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
661 | &pyra_profile5_buttons_attr); | |
662 | if (retval) | |
663 | goto exit_13; | |
664 | ||
665 | retval = sysfs_create_bin_file(&intf->dev.kobj, | |
666 | &pyra_settings_attr); | |
667 | if (retval) | |
668 | goto exit_14; | |
669 | ||
670 | return 0; | |
671 | ||
672 | exit_14: | |
673 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_buttons_attr); | |
674 | exit_13: | |
675 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_buttons_attr); | |
676 | exit_12: | |
677 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_buttons_attr); | |
678 | exit_11: | |
679 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_buttons_attr); | |
680 | exit_10: | |
681 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_buttons_attr); | |
682 | exit_9: | |
683 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_buttons_attr); | |
684 | exit_8: | |
685 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_settings_attr); | |
686 | exit_7: | |
687 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_settings_attr); | |
688 | exit_6: | |
689 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_settings_attr); | |
690 | exit_5: | |
691 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_settings_attr); | |
692 | exit_4: | |
693 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_settings_attr); | |
694 | exit_3: | |
695 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_settings_attr); | |
696 | exit_2: | |
697 | sysfs_remove_group(&intf->dev.kobj, &pyra_attribute_group); | |
698 | exit_1: | |
699 | return retval; | |
700 | } | |
701 | ||
702 | static void pyra_remove_sysfs_attributes(struct usb_interface *intf) | |
703 | { | |
704 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_settings_attr); | |
705 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_buttons_attr); | |
706 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_buttons_attr); | |
707 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_buttons_attr); | |
708 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_buttons_attr); | |
709 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_buttons_attr); | |
710 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_buttons_attr); | |
711 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_settings_attr); | |
712 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_settings_attr); | |
713 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_settings_attr); | |
714 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_settings_attr); | |
715 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_settings_attr); | |
716 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_settings_attr); | |
717 | sysfs_remove_group(&intf->dev.kobj, &pyra_attribute_group); | |
718 | } | |
719 | ||
720 | static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, | |
721 | struct pyra_device *pyra) | |
722 | { | |
723 | struct pyra_info *info; | |
724 | int retval, i; | |
725 | ||
726 | mutex_init(&pyra->pyra_lock); | |
727 | ||
728 | info = kmalloc(sizeof(struct pyra_info), GFP_KERNEL); | |
729 | if (!info) | |
730 | return -ENOMEM; | |
731 | retval = pyra_get_info(usb_dev, info); | |
732 | if (retval) { | |
733 | kfree(info); | |
734 | return retval; | |
735 | } | |
736 | pyra->firmware_version = info->firmware_version; | |
737 | kfree(info); | |
738 | ||
739 | retval = pyra_get_settings(usb_dev, &pyra->settings); | |
740 | if (retval) | |
741 | return retval; | |
742 | ||
743 | for (i = 0; i < 5; ++i) { | |
744 | retval = pyra_get_profile_settings(usb_dev, | |
745 | &pyra->profile_settings[i], i); | |
746 | if (retval) | |
747 | return retval; | |
748 | ||
749 | retval = pyra_get_profile_buttons(usb_dev, | |
750 | &pyra->profile_buttons[i], i); | |
751 | if (retval) | |
752 | return retval; | |
753 | } | |
754 | ||
755 | profile_activated(pyra, pyra->settings.startup_profile); | |
756 | ||
757 | return 0; | |
758 | } | |
759 | ||
760 | static int pyra_init_specials(struct hid_device *hdev) | |
761 | { | |
762 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
763 | struct usb_device *usb_dev = interface_to_usbdev(intf); | |
764 | struct pyra_device *pyra; | |
765 | int retval; | |
766 | ||
767 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
768 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
769 | ||
770 | pyra = kzalloc(sizeof(*pyra), GFP_KERNEL); | |
771 | if (!pyra) { | |
4291ee30 | 772 | hid_err(hdev, "can't alloc device descriptor\n"); |
cb7cf3da SA |
773 | return -ENOMEM; |
774 | } | |
775 | hid_set_drvdata(hdev, pyra); | |
776 | ||
777 | retval = pyra_init_pyra_device_struct(usb_dev, pyra); | |
778 | if (retval) { | |
4291ee30 | 779 | hid_err(hdev, "couldn't init struct pyra_device\n"); |
cb7cf3da SA |
780 | goto exit_free; |
781 | } | |
782 | ||
783 | retval = roccat_connect(hdev); | |
784 | if (retval < 0) { | |
4291ee30 | 785 | hid_err(hdev, "couldn't init char dev\n"); |
cb7cf3da SA |
786 | } else { |
787 | pyra->chrdev_minor = retval; | |
788 | pyra->roccat_claimed = 1; | |
789 | } | |
790 | ||
791 | retval = pyra_create_sysfs_attributes(intf); | |
792 | if (retval) { | |
4291ee30 | 793 | hid_err(hdev, "cannot create sysfs files\n"); |
cb7cf3da SA |
794 | goto exit_free; |
795 | } | |
796 | } else { | |
797 | hid_set_drvdata(hdev, NULL); | |
798 | } | |
799 | ||
800 | return 0; | |
801 | exit_free: | |
802 | kfree(pyra); | |
803 | return retval; | |
804 | } | |
805 | ||
806 | static void pyra_remove_specials(struct hid_device *hdev) | |
807 | { | |
808 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
809 | struct pyra_device *pyra; | |
810 | ||
811 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
812 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
813 | pyra_remove_sysfs_attributes(intf); | |
814 | pyra = hid_get_drvdata(hdev); | |
815 | if (pyra->roccat_claimed) | |
816 | roccat_disconnect(pyra->chrdev_minor); | |
817 | kfree(hid_get_drvdata(hdev)); | |
818 | } | |
819 | } | |
820 | ||
821 | static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
822 | { | |
823 | int retval; | |
824 | ||
825 | retval = hid_parse(hdev); | |
826 | if (retval) { | |
4291ee30 | 827 | hid_err(hdev, "parse failed\n"); |
cb7cf3da SA |
828 | goto exit; |
829 | } | |
830 | ||
831 | retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
832 | if (retval) { | |
4291ee30 | 833 | hid_err(hdev, "hw start failed\n"); |
cb7cf3da SA |
834 | goto exit; |
835 | } | |
836 | ||
837 | retval = pyra_init_specials(hdev); | |
838 | if (retval) { | |
4291ee30 | 839 | hid_err(hdev, "couldn't install mouse\n"); |
cb7cf3da SA |
840 | goto exit_stop; |
841 | } | |
842 | return 0; | |
843 | ||
844 | exit_stop: | |
845 | hid_hw_stop(hdev); | |
846 | exit: | |
847 | return retval; | |
848 | } | |
849 | ||
850 | static void pyra_remove(struct hid_device *hdev) | |
851 | { | |
852 | pyra_remove_specials(hdev); | |
853 | hid_hw_stop(hdev); | |
854 | } | |
855 | ||
856 | static void pyra_keep_values_up_to_date(struct pyra_device *pyra, | |
857 | u8 const *data) | |
858 | { | |
859 | struct pyra_mouse_event_button const *button_event; | |
860 | ||
861 | switch (data[0]) { | |
862 | case PYRA_MOUSE_REPORT_NUMBER_BUTTON: | |
863 | button_event = (struct pyra_mouse_event_button const *)data; | |
864 | switch (button_event->type) { | |
865 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: | |
866 | profile_activated(pyra, button_event->data1 - 1); | |
867 | break; | |
868 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: | |
869 | pyra->actual_cpi = button_event->data1; | |
870 | break; | |
871 | } | |
872 | break; | |
873 | } | |
874 | } | |
875 | ||
876 | static void pyra_report_to_chrdev(struct pyra_device const *pyra, | |
877 | u8 const *data) | |
878 | { | |
879 | struct pyra_roccat_report roccat_report; | |
880 | struct pyra_mouse_event_button const *button_event; | |
881 | ||
882 | if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON) | |
883 | return; | |
884 | ||
885 | button_event = (struct pyra_mouse_event_button const *)data; | |
886 | ||
887 | switch (button_event->type) { | |
888 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: | |
889 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: | |
890 | roccat_report.type = button_event->type; | |
891 | roccat_report.value = button_event->data1; | |
892 | roccat_report.key = 0; | |
893 | roccat_report_event(pyra->chrdev_minor, | |
894 | (uint8_t const *)&roccat_report, | |
895 | sizeof(struct pyra_roccat_report)); | |
896 | break; | |
897 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO: | |
898 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT: | |
899 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH: | |
900 | if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) { | |
901 | roccat_report.type = button_event->type; | |
902 | roccat_report.key = button_event->data1; | |
d2b570a5 SA |
903 | /* |
904 | * pyra reports profile numbers with range 1-5. | |
905 | * Keeping this behaviour. | |
906 | */ | |
907 | roccat_report.value = pyra->actual_profile + 1; | |
cb7cf3da SA |
908 | roccat_report_event(pyra->chrdev_minor, |
909 | (uint8_t const *)&roccat_report, | |
910 | sizeof(struct pyra_roccat_report)); | |
911 | } | |
912 | break; | |
913 | } | |
914 | } | |
915 | ||
916 | static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report, | |
917 | u8 *data, int size) | |
918 | { | |
919 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
920 | struct pyra_device *pyra = hid_get_drvdata(hdev); | |
921 | ||
922 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
923 | != USB_INTERFACE_PROTOCOL_MOUSE) | |
924 | return 0; | |
925 | ||
926 | pyra_keep_values_up_to_date(pyra, data); | |
927 | ||
928 | if (pyra->roccat_claimed) | |
929 | pyra_report_to_chrdev(pyra, data); | |
930 | ||
931 | return 0; | |
932 | } | |
933 | ||
934 | static const struct hid_device_id pyra_devices[] = { | |
935 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, | |
936 | USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, | |
937 | /* TODO add USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS after testing */ | |
938 | { } | |
939 | }; | |
940 | ||
941 | MODULE_DEVICE_TABLE(hid, pyra_devices); | |
942 | ||
943 | static struct hid_driver pyra_driver = { | |
944 | .name = "pyra", | |
945 | .id_table = pyra_devices, | |
946 | .probe = pyra_probe, | |
947 | .remove = pyra_remove, | |
948 | .raw_event = pyra_raw_event | |
949 | }; | |
950 | ||
951 | static int __init pyra_init(void) | |
952 | { | |
953 | return hid_register_driver(&pyra_driver); | |
954 | } | |
955 | ||
956 | static void __exit pyra_exit(void) | |
957 | { | |
958 | hid_unregister_driver(&pyra_driver); | |
959 | } | |
960 | ||
961 | module_init(pyra_init); | |
962 | module_exit(pyra_exit); | |
963 | ||
964 | MODULE_AUTHOR("Stefan Achatz"); | |
965 | MODULE_DESCRIPTION("USB Roccat Pyra driver"); | |
966 | MODULE_LICENSE("GPL v2"); |