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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 | ||
14a057f8 SA |
30 | static uint profile_numbers[5] = {0, 1, 2, 3, 4}; |
31 | ||
5012aada SA |
32 | /* pyra_class is used for creating sysfs attributes via roccat char device */ |
33 | static struct class *pyra_class; | |
34 | ||
cb7cf3da SA |
35 | static void profile_activated(struct pyra_device *pyra, |
36 | unsigned int new_profile) | |
37 | { | |
38 | pyra->actual_profile = new_profile; | |
39 | pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi; | |
40 | } | |
41 | ||
42 | static int pyra_send_control(struct usb_device *usb_dev, int value, | |
43 | enum pyra_control_requests request) | |
44 | { | |
45 | int len; | |
46 | struct pyra_control control; | |
47 | ||
48 | if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS || | |
49 | request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) && | |
50 | (value < 0 || value > 4)) | |
51 | return -EINVAL; | |
52 | ||
53 | control.command = PYRA_COMMAND_CONTROL; | |
54 | control.value = value; | |
55 | control.request = request; | |
56 | ||
57 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
58 | USB_REQ_SET_CONFIGURATION, | |
59 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, | |
60 | PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, | |
61 | sizeof(struct pyra_control), | |
62 | USB_CTRL_SET_TIMEOUT); | |
63 | ||
64 | if (len != sizeof(struct pyra_control)) | |
65 | return len; | |
66 | ||
67 | return 0; | |
68 | } | |
69 | ||
70 | static int pyra_receive_control_status(struct usb_device *usb_dev) | |
71 | { | |
72 | int len; | |
73 | struct pyra_control control; | |
74 | ||
75 | do { | |
76 | msleep(10); | |
77 | ||
78 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
79 | USB_REQ_CLEAR_FEATURE, | |
80 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | | |
81 | USB_DIR_IN, | |
82 | PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, | |
83 | sizeof(struct pyra_control), | |
84 | USB_CTRL_SET_TIMEOUT); | |
85 | ||
86 | /* requested too early, try again */ | |
87 | } while (len == -EPROTO); | |
88 | ||
89 | if (len == sizeof(struct pyra_control) && | |
90 | control.command == PYRA_COMMAND_CONTROL && | |
91 | control.request == PYRA_CONTROL_REQUEST_STATUS && | |
92 | control.value == 1) | |
93 | return 0; | |
94 | else { | |
4291ee30 JP |
95 | hid_err(usb_dev, "receive control status: unknown response 0x%x 0x%x\n", |
96 | control.request, control.value); | |
cb7cf3da SA |
97 | return -EINVAL; |
98 | } | |
99 | } | |
100 | ||
101 | static int pyra_get_profile_settings(struct usb_device *usb_dev, | |
102 | struct pyra_profile_settings *buf, int number) | |
103 | { | |
104 | int retval; | |
105 | ||
106 | retval = pyra_send_control(usb_dev, number, | |
107 | PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); | |
108 | ||
109 | if (retval) | |
110 | return retval; | |
111 | ||
112 | retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
113 | USB_REQ_CLEAR_FEATURE, | |
114 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
115 | PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)buf, | |
116 | sizeof(struct pyra_profile_settings), | |
117 | USB_CTRL_SET_TIMEOUT); | |
118 | ||
119 | if (retval != sizeof(struct pyra_profile_settings)) | |
120 | return retval; | |
121 | ||
122 | return 0; | |
123 | } | |
124 | ||
125 | static int pyra_get_profile_buttons(struct usb_device *usb_dev, | |
126 | struct pyra_profile_buttons *buf, int number) | |
127 | { | |
128 | int retval; | |
129 | ||
130 | retval = pyra_send_control(usb_dev, number, | |
131 | PYRA_CONTROL_REQUEST_PROFILE_BUTTONS); | |
132 | ||
133 | if (retval) | |
134 | return retval; | |
135 | ||
136 | retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
137 | USB_REQ_CLEAR_FEATURE, | |
138 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
139 | PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buf, | |
140 | sizeof(struct pyra_profile_buttons), | |
141 | USB_CTRL_SET_TIMEOUT); | |
142 | ||
143 | if (retval != sizeof(struct pyra_profile_buttons)) | |
144 | return retval; | |
145 | ||
146 | return 0; | |
147 | } | |
148 | ||
149 | static int pyra_get_settings(struct usb_device *usb_dev, | |
150 | struct pyra_settings *buf) | |
151 | { | |
152 | int len; | |
153 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
154 | USB_REQ_CLEAR_FEATURE, | |
155 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
156 | PYRA_USB_COMMAND_SETTINGS, 0, buf, | |
157 | sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); | |
158 | if (len != sizeof(struct pyra_settings)) | |
159 | return -EIO; | |
160 | return 0; | |
161 | } | |
162 | ||
163 | static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf) | |
164 | { | |
165 | int len; | |
166 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
167 | USB_REQ_CLEAR_FEATURE, | |
168 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
169 | PYRA_USB_COMMAND_INFO, 0, buf, | |
170 | sizeof(struct pyra_info), USB_CTRL_SET_TIMEOUT); | |
171 | if (len != sizeof(struct pyra_info)) | |
172 | return -EIO; | |
173 | return 0; | |
174 | } | |
175 | ||
176 | static int pyra_set_profile_settings(struct usb_device *usb_dev, | |
177 | struct pyra_profile_settings const *settings) | |
178 | { | |
179 | int len; | |
180 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
181 | USB_REQ_SET_CONFIGURATION, | |
182 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, | |
183 | PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)settings, | |
184 | sizeof(struct pyra_profile_settings), | |
185 | USB_CTRL_SET_TIMEOUT); | |
186 | if (len != sizeof(struct pyra_profile_settings)) | |
187 | return -EIO; | |
188 | if (pyra_receive_control_status(usb_dev)) | |
189 | return -EIO; | |
190 | return 0; | |
191 | } | |
192 | ||
193 | static int pyra_set_profile_buttons(struct usb_device *usb_dev, | |
194 | struct pyra_profile_buttons const *buttons) | |
195 | { | |
196 | int len; | |
197 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
198 | USB_REQ_SET_CONFIGURATION, | |
199 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, | |
200 | PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buttons, | |
201 | sizeof(struct pyra_profile_buttons), | |
202 | USB_CTRL_SET_TIMEOUT); | |
203 | if (len != sizeof(struct pyra_profile_buttons)) | |
204 | return -EIO; | |
205 | if (pyra_receive_control_status(usb_dev)) | |
206 | return -EIO; | |
207 | return 0; | |
208 | } | |
209 | ||
210 | static int pyra_set_settings(struct usb_device *usb_dev, | |
211 | struct pyra_settings const *settings) | |
212 | { | |
213 | int len; | |
214 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
215 | USB_REQ_SET_CONFIGURATION, | |
216 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, | |
217 | PYRA_USB_COMMAND_SETTINGS, 0, (char *)settings, | |
218 | sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); | |
219 | if (len != sizeof(struct pyra_settings)) | |
220 | return -EIO; | |
221 | if (pyra_receive_control_status(usb_dev)) | |
222 | return -EIO; | |
223 | return 0; | |
224 | } | |
225 | ||
226 | static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp, | |
227 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
14a057f8 | 228 | loff_t off, size_t count) |
cb7cf3da | 229 | { |
5012aada SA |
230 | struct device *dev = |
231 | container_of(kobj, struct device, kobj)->parent->parent; | |
cb7cf3da SA |
232 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
233 | ||
234 | if (off >= sizeof(struct pyra_profile_settings)) | |
235 | return 0; | |
236 | ||
237 | if (off + count > sizeof(struct pyra_profile_settings)) | |
238 | count = sizeof(struct pyra_profile_settings) - off; | |
239 | ||
240 | mutex_lock(&pyra->pyra_lock); | |
14a057f8 | 241 | memcpy(buf, ((char const *)&pyra->profile_settings[*(uint *)(attr->private)]) + off, |
cb7cf3da SA |
242 | count); |
243 | mutex_unlock(&pyra->pyra_lock); | |
244 | ||
245 | return count; | |
246 | } | |
247 | ||
cb7cf3da SA |
248 | static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, |
249 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
14a057f8 | 250 | loff_t off, size_t count) |
cb7cf3da | 251 | { |
5012aada SA |
252 | struct device *dev = |
253 | container_of(kobj, struct device, kobj)->parent->parent; | |
cb7cf3da SA |
254 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
255 | ||
256 | if (off >= sizeof(struct pyra_profile_buttons)) | |
257 | return 0; | |
258 | ||
259 | if (off + count > sizeof(struct pyra_profile_buttons)) | |
260 | count = sizeof(struct pyra_profile_buttons) - off; | |
261 | ||
262 | mutex_lock(&pyra->pyra_lock); | |
14a057f8 | 263 | memcpy(buf, ((char const *)&pyra->profile_buttons[*(uint *)(attr->private)]) + off, |
cb7cf3da SA |
264 | count); |
265 | mutex_unlock(&pyra->pyra_lock); | |
266 | ||
267 | return count; | |
268 | } | |
269 | ||
cb7cf3da SA |
270 | static ssize_t pyra_sysfs_write_profile_settings(struct file *fp, |
271 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
272 | loff_t off, size_t count) | |
273 | { | |
5012aada SA |
274 | struct device *dev = |
275 | container_of(kobj, struct device, kobj)->parent->parent; | |
cb7cf3da SA |
276 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
277 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
278 | int retval = 0; | |
279 | int difference; | |
280 | int profile_number; | |
281 | struct pyra_profile_settings *profile_settings; | |
282 | ||
283 | if (off != 0 || count != sizeof(struct pyra_profile_settings)) | |
284 | return -EINVAL; | |
285 | ||
286 | profile_number = ((struct pyra_profile_settings const *)buf)->number; | |
287 | profile_settings = &pyra->profile_settings[profile_number]; | |
288 | ||
289 | mutex_lock(&pyra->pyra_lock); | |
290 | difference = memcmp(buf, profile_settings, | |
291 | sizeof(struct pyra_profile_settings)); | |
292 | if (difference) { | |
293 | retval = pyra_set_profile_settings(usb_dev, | |
294 | (struct pyra_profile_settings const *)buf); | |
295 | if (!retval) | |
296 | memcpy(profile_settings, buf, | |
297 | sizeof(struct pyra_profile_settings)); | |
298 | } | |
299 | mutex_unlock(&pyra->pyra_lock); | |
300 | ||
301 | if (retval) | |
302 | return retval; | |
303 | ||
304 | return sizeof(struct pyra_profile_settings); | |
305 | } | |
306 | ||
307 | static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp, | |
308 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
309 | loff_t off, size_t count) | |
310 | { | |
5012aada SA |
311 | struct device *dev = |
312 | container_of(kobj, struct device, kobj)->parent->parent; | |
cb7cf3da SA |
313 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
314 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
315 | int retval = 0; | |
316 | int difference; | |
317 | int profile_number; | |
318 | struct pyra_profile_buttons *profile_buttons; | |
319 | ||
320 | if (off != 0 || count != sizeof(struct pyra_profile_buttons)) | |
321 | return -EINVAL; | |
322 | ||
323 | profile_number = ((struct pyra_profile_buttons const *)buf)->number; | |
324 | profile_buttons = &pyra->profile_buttons[profile_number]; | |
325 | ||
326 | mutex_lock(&pyra->pyra_lock); | |
327 | difference = memcmp(buf, profile_buttons, | |
328 | sizeof(struct pyra_profile_buttons)); | |
329 | if (difference) { | |
330 | retval = pyra_set_profile_buttons(usb_dev, | |
331 | (struct pyra_profile_buttons const *)buf); | |
332 | if (!retval) | |
333 | memcpy(profile_buttons, buf, | |
334 | sizeof(struct pyra_profile_buttons)); | |
335 | } | |
336 | mutex_unlock(&pyra->pyra_lock); | |
337 | ||
338 | if (retval) | |
339 | return retval; | |
340 | ||
341 | return sizeof(struct pyra_profile_buttons); | |
342 | } | |
343 | ||
344 | static ssize_t pyra_sysfs_read_settings(struct file *fp, | |
345 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
346 | loff_t off, size_t count) | |
347 | { | |
5012aada SA |
348 | struct device *dev = |
349 | container_of(kobj, struct device, kobj)->parent->parent; | |
cb7cf3da SA |
350 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
351 | ||
352 | if (off >= sizeof(struct pyra_settings)) | |
353 | return 0; | |
354 | ||
355 | if (off + count > sizeof(struct pyra_settings)) | |
356 | count = sizeof(struct pyra_settings) - off; | |
357 | ||
358 | mutex_lock(&pyra->pyra_lock); | |
359 | memcpy(buf, ((char const *)&pyra->settings) + off, count); | |
360 | mutex_unlock(&pyra->pyra_lock); | |
361 | ||
362 | return count; | |
363 | } | |
364 | ||
365 | static ssize_t pyra_sysfs_write_settings(struct file *fp, | |
366 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
367 | loff_t off, size_t count) | |
368 | { | |
5012aada SA |
369 | struct device *dev = |
370 | container_of(kobj, struct device, kobj)->parent->parent; | |
cb7cf3da SA |
371 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
372 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
373 | int retval = 0; | |
374 | int difference; | |
375 | ||
376 | if (off != 0 || count != sizeof(struct pyra_settings)) | |
377 | return -EINVAL; | |
378 | ||
379 | mutex_lock(&pyra->pyra_lock); | |
380 | difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings)); | |
381 | if (difference) { | |
382 | retval = pyra_set_settings(usb_dev, | |
383 | (struct pyra_settings const *)buf); | |
384 | if (!retval) | |
385 | memcpy(&pyra->settings, buf, | |
386 | sizeof(struct pyra_settings)); | |
387 | } | |
388 | mutex_unlock(&pyra->pyra_lock); | |
389 | ||
390 | if (retval) | |
391 | return retval; | |
392 | ||
393 | profile_activated(pyra, pyra->settings.startup_profile); | |
394 | ||
395 | return sizeof(struct pyra_settings); | |
396 | } | |
397 | ||
398 | ||
399 | static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev, | |
400 | struct device_attribute *attr, char *buf) | |
401 | { | |
5012aada SA |
402 | struct pyra_device *pyra = |
403 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
cb7cf3da SA |
404 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi); |
405 | } | |
406 | ||
407 | static ssize_t pyra_sysfs_show_actual_profile(struct device *dev, | |
408 | struct device_attribute *attr, char *buf) | |
409 | { | |
5012aada SA |
410 | struct pyra_device *pyra = |
411 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
cb7cf3da SA |
412 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile); |
413 | } | |
414 | ||
415 | static ssize_t pyra_sysfs_show_firmware_version(struct device *dev, | |
416 | struct device_attribute *attr, char *buf) | |
417 | { | |
5012aada SA |
418 | struct pyra_device *pyra = |
419 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
cb7cf3da SA |
420 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version); |
421 | } | |
422 | ||
423 | static ssize_t pyra_sysfs_show_startup_profile(struct device *dev, | |
424 | struct device_attribute *attr, char *buf) | |
425 | { | |
5012aada SA |
426 | struct pyra_device *pyra = |
427 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
cb7cf3da SA |
428 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile); |
429 | } | |
430 | ||
5012aada SA |
431 | static struct device_attribute pyra_attributes[] = { |
432 | __ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL), | |
433 | __ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL), | |
434 | __ATTR(firmware_version, 0440, | |
435 | pyra_sysfs_show_firmware_version, NULL), | |
436 | __ATTR(startup_profile, 0440, | |
437 | pyra_sysfs_show_startup_profile, NULL), | |
438 | __ATTR_NULL | |
cb7cf3da SA |
439 | }; |
440 | ||
5012aada SA |
441 | static struct bin_attribute pyra_bin_attributes[] = { |
442 | { | |
cb7cf3da SA |
443 | .attr = { .name = "profile_settings", .mode = 0220 }, |
444 | .size = sizeof(struct pyra_profile_settings), | |
445 | .write = pyra_sysfs_write_profile_settings | |
5012aada SA |
446 | }, |
447 | { | |
cb7cf3da SA |
448 | .attr = { .name = "profile1_settings", .mode = 0440 }, |
449 | .size = sizeof(struct pyra_profile_settings), | |
14a057f8 SA |
450 | .read = pyra_sysfs_read_profilex_settings, |
451 | .private = &profile_numbers[0] | |
5012aada SA |
452 | }, |
453 | { | |
cb7cf3da SA |
454 | .attr = { .name = "profile2_settings", .mode = 0440 }, |
455 | .size = sizeof(struct pyra_profile_settings), | |
14a057f8 SA |
456 | .read = pyra_sysfs_read_profilex_settings, |
457 | .private = &profile_numbers[1] | |
5012aada SA |
458 | }, |
459 | { | |
cb7cf3da SA |
460 | .attr = { .name = "profile3_settings", .mode = 0440 }, |
461 | .size = sizeof(struct pyra_profile_settings), | |
14a057f8 SA |
462 | .read = pyra_sysfs_read_profilex_settings, |
463 | .private = &profile_numbers[2] | |
5012aada SA |
464 | }, |
465 | { | |
cb7cf3da SA |
466 | .attr = { .name = "profile4_settings", .mode = 0440 }, |
467 | .size = sizeof(struct pyra_profile_settings), | |
14a057f8 SA |
468 | .read = pyra_sysfs_read_profilex_settings, |
469 | .private = &profile_numbers[3] | |
5012aada SA |
470 | }, |
471 | { | |
cb7cf3da SA |
472 | .attr = { .name = "profile5_settings", .mode = 0440 }, |
473 | .size = sizeof(struct pyra_profile_settings), | |
14a057f8 SA |
474 | .read = pyra_sysfs_read_profilex_settings, |
475 | .private = &profile_numbers[4] | |
5012aada SA |
476 | }, |
477 | { | |
cb7cf3da SA |
478 | .attr = { .name = "profile_buttons", .mode = 0220 }, |
479 | .size = sizeof(struct pyra_profile_buttons), | |
480 | .write = pyra_sysfs_write_profile_buttons | |
5012aada SA |
481 | }, |
482 | { | |
cb7cf3da SA |
483 | .attr = { .name = "profile1_buttons", .mode = 0440 }, |
484 | .size = sizeof(struct pyra_profile_buttons), | |
14a057f8 SA |
485 | .read = pyra_sysfs_read_profilex_buttons, |
486 | .private = &profile_numbers[0] | |
5012aada SA |
487 | }, |
488 | { | |
cb7cf3da SA |
489 | .attr = { .name = "profile2_buttons", .mode = 0440 }, |
490 | .size = sizeof(struct pyra_profile_buttons), | |
14a057f8 SA |
491 | .read = pyra_sysfs_read_profilex_buttons, |
492 | .private = &profile_numbers[1] | |
5012aada SA |
493 | }, |
494 | { | |
cb7cf3da SA |
495 | .attr = { .name = "profile3_buttons", .mode = 0440 }, |
496 | .size = sizeof(struct pyra_profile_buttons), | |
14a057f8 SA |
497 | .read = pyra_sysfs_read_profilex_buttons, |
498 | .private = &profile_numbers[2] | |
5012aada SA |
499 | }, |
500 | { | |
cb7cf3da SA |
501 | .attr = { .name = "profile4_buttons", .mode = 0440 }, |
502 | .size = sizeof(struct pyra_profile_buttons), | |
14a057f8 SA |
503 | .read = pyra_sysfs_read_profilex_buttons, |
504 | .private = &profile_numbers[3] | |
5012aada SA |
505 | }, |
506 | { | |
cb7cf3da SA |
507 | .attr = { .name = "profile5_buttons", .mode = 0440 }, |
508 | .size = sizeof(struct pyra_profile_buttons), | |
14a057f8 SA |
509 | .read = pyra_sysfs_read_profilex_buttons, |
510 | .private = &profile_numbers[4] | |
5012aada SA |
511 | }, |
512 | { | |
cb7cf3da SA |
513 | .attr = { .name = "settings", .mode = 0660 }, |
514 | .size = sizeof(struct pyra_settings), | |
515 | .read = pyra_sysfs_read_settings, | |
516 | .write = pyra_sysfs_write_settings | |
5012aada SA |
517 | }, |
518 | __ATTR_NULL | |
cb7cf3da SA |
519 | }; |
520 | ||
cb7cf3da SA |
521 | static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, |
522 | struct pyra_device *pyra) | |
523 | { | |
524 | struct pyra_info *info; | |
525 | int retval, i; | |
526 | ||
527 | mutex_init(&pyra->pyra_lock); | |
528 | ||
529 | info = kmalloc(sizeof(struct pyra_info), GFP_KERNEL); | |
530 | if (!info) | |
531 | return -ENOMEM; | |
532 | retval = pyra_get_info(usb_dev, info); | |
533 | if (retval) { | |
534 | kfree(info); | |
535 | return retval; | |
536 | } | |
537 | pyra->firmware_version = info->firmware_version; | |
538 | kfree(info); | |
539 | ||
540 | retval = pyra_get_settings(usb_dev, &pyra->settings); | |
541 | if (retval) | |
542 | return retval; | |
543 | ||
544 | for (i = 0; i < 5; ++i) { | |
545 | retval = pyra_get_profile_settings(usb_dev, | |
546 | &pyra->profile_settings[i], i); | |
547 | if (retval) | |
548 | return retval; | |
549 | ||
550 | retval = pyra_get_profile_buttons(usb_dev, | |
551 | &pyra->profile_buttons[i], i); | |
552 | if (retval) | |
553 | return retval; | |
554 | } | |
555 | ||
556 | profile_activated(pyra, pyra->settings.startup_profile); | |
557 | ||
558 | return 0; | |
559 | } | |
560 | ||
561 | static int pyra_init_specials(struct hid_device *hdev) | |
562 | { | |
563 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
564 | struct usb_device *usb_dev = interface_to_usbdev(intf); | |
565 | struct pyra_device *pyra; | |
566 | int retval; | |
567 | ||
568 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
569 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
570 | ||
571 | pyra = kzalloc(sizeof(*pyra), GFP_KERNEL); | |
572 | if (!pyra) { | |
4291ee30 | 573 | hid_err(hdev, "can't alloc device descriptor\n"); |
cb7cf3da SA |
574 | return -ENOMEM; |
575 | } | |
576 | hid_set_drvdata(hdev, pyra); | |
577 | ||
578 | retval = pyra_init_pyra_device_struct(usb_dev, pyra); | |
579 | if (retval) { | |
4291ee30 | 580 | hid_err(hdev, "couldn't init struct pyra_device\n"); |
cb7cf3da SA |
581 | goto exit_free; |
582 | } | |
583 | ||
5012aada | 584 | retval = roccat_connect(pyra_class, hdev); |
cb7cf3da | 585 | if (retval < 0) { |
4291ee30 | 586 | hid_err(hdev, "couldn't init char dev\n"); |
cb7cf3da SA |
587 | } else { |
588 | pyra->chrdev_minor = retval; | |
589 | pyra->roccat_claimed = 1; | |
590 | } | |
cb7cf3da SA |
591 | } else { |
592 | hid_set_drvdata(hdev, NULL); | |
593 | } | |
594 | ||
595 | return 0; | |
596 | exit_free: | |
597 | kfree(pyra); | |
598 | return retval; | |
599 | } | |
600 | ||
601 | static void pyra_remove_specials(struct hid_device *hdev) | |
602 | { | |
603 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
604 | struct pyra_device *pyra; | |
605 | ||
606 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
607 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
cb7cf3da SA |
608 | pyra = hid_get_drvdata(hdev); |
609 | if (pyra->roccat_claimed) | |
610 | roccat_disconnect(pyra->chrdev_minor); | |
611 | kfree(hid_get_drvdata(hdev)); | |
612 | } | |
613 | } | |
614 | ||
615 | static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
616 | { | |
617 | int retval; | |
618 | ||
619 | retval = hid_parse(hdev); | |
620 | if (retval) { | |
4291ee30 | 621 | hid_err(hdev, "parse failed\n"); |
cb7cf3da SA |
622 | goto exit; |
623 | } | |
624 | ||
625 | retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
626 | if (retval) { | |
4291ee30 | 627 | hid_err(hdev, "hw start failed\n"); |
cb7cf3da SA |
628 | goto exit; |
629 | } | |
630 | ||
631 | retval = pyra_init_specials(hdev); | |
632 | if (retval) { | |
4291ee30 | 633 | hid_err(hdev, "couldn't install mouse\n"); |
cb7cf3da SA |
634 | goto exit_stop; |
635 | } | |
636 | return 0; | |
637 | ||
638 | exit_stop: | |
639 | hid_hw_stop(hdev); | |
640 | exit: | |
641 | return retval; | |
642 | } | |
643 | ||
644 | static void pyra_remove(struct hid_device *hdev) | |
645 | { | |
646 | pyra_remove_specials(hdev); | |
647 | hid_hw_stop(hdev); | |
648 | } | |
649 | ||
650 | static void pyra_keep_values_up_to_date(struct pyra_device *pyra, | |
651 | u8 const *data) | |
652 | { | |
653 | struct pyra_mouse_event_button const *button_event; | |
654 | ||
655 | switch (data[0]) { | |
656 | case PYRA_MOUSE_REPORT_NUMBER_BUTTON: | |
657 | button_event = (struct pyra_mouse_event_button const *)data; | |
658 | switch (button_event->type) { | |
659 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: | |
660 | profile_activated(pyra, button_event->data1 - 1); | |
661 | break; | |
662 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: | |
663 | pyra->actual_cpi = button_event->data1; | |
664 | break; | |
665 | } | |
666 | break; | |
667 | } | |
668 | } | |
669 | ||
670 | static void pyra_report_to_chrdev(struct pyra_device const *pyra, | |
671 | u8 const *data) | |
672 | { | |
673 | struct pyra_roccat_report roccat_report; | |
674 | struct pyra_mouse_event_button const *button_event; | |
675 | ||
676 | if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON) | |
677 | return; | |
678 | ||
679 | button_event = (struct pyra_mouse_event_button const *)data; | |
680 | ||
681 | switch (button_event->type) { | |
682 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: | |
683 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: | |
684 | roccat_report.type = button_event->type; | |
685 | roccat_report.value = button_event->data1; | |
686 | roccat_report.key = 0; | |
687 | roccat_report_event(pyra->chrdev_minor, | |
688 | (uint8_t const *)&roccat_report, | |
689 | sizeof(struct pyra_roccat_report)); | |
690 | break; | |
691 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO: | |
692 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT: | |
693 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH: | |
694 | if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) { | |
695 | roccat_report.type = button_event->type; | |
696 | roccat_report.key = button_event->data1; | |
d2b570a5 SA |
697 | /* |
698 | * pyra reports profile numbers with range 1-5. | |
699 | * Keeping this behaviour. | |
700 | */ | |
701 | roccat_report.value = pyra->actual_profile + 1; | |
cb7cf3da SA |
702 | roccat_report_event(pyra->chrdev_minor, |
703 | (uint8_t const *)&roccat_report, | |
704 | sizeof(struct pyra_roccat_report)); | |
705 | } | |
706 | break; | |
707 | } | |
708 | } | |
709 | ||
710 | static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report, | |
711 | u8 *data, int size) | |
712 | { | |
713 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
714 | struct pyra_device *pyra = hid_get_drvdata(hdev); | |
715 | ||
716 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
717 | != USB_INTERFACE_PROTOCOL_MOUSE) | |
718 | return 0; | |
719 | ||
720 | pyra_keep_values_up_to_date(pyra, data); | |
721 | ||
722 | if (pyra->roccat_claimed) | |
723 | pyra_report_to_chrdev(pyra, data); | |
724 | ||
725 | return 0; | |
726 | } | |
727 | ||
728 | static const struct hid_device_id pyra_devices[] = { | |
729 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, | |
730 | USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, | |
731 | /* TODO add USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS after testing */ | |
732 | { } | |
733 | }; | |
734 | ||
735 | MODULE_DEVICE_TABLE(hid, pyra_devices); | |
736 | ||
737 | static struct hid_driver pyra_driver = { | |
738 | .name = "pyra", | |
739 | .id_table = pyra_devices, | |
740 | .probe = pyra_probe, | |
741 | .remove = pyra_remove, | |
742 | .raw_event = pyra_raw_event | |
743 | }; | |
744 | ||
745 | static int __init pyra_init(void) | |
746 | { | |
5012aada SA |
747 | int retval; |
748 | ||
749 | /* class name has to be same as driver name */ | |
750 | pyra_class = class_create(THIS_MODULE, "pyra"); | |
751 | if (IS_ERR(pyra_class)) | |
752 | return PTR_ERR(pyra_class); | |
753 | pyra_class->dev_attrs = pyra_attributes; | |
754 | pyra_class->dev_bin_attrs = pyra_bin_attributes; | |
755 | ||
756 | retval = hid_register_driver(&pyra_driver); | |
757 | if (retval) | |
758 | class_destroy(pyra_class); | |
759 | return retval; | |
cb7cf3da SA |
760 | } |
761 | ||
762 | static void __exit pyra_exit(void) | |
763 | { | |
5012aada | 764 | class_destroy(pyra_class); |
cb7cf3da SA |
765 | hid_unregister_driver(&pyra_driver); |
766 | } | |
767 | ||
768 | module_init(pyra_init); | |
769 | module_exit(pyra_exit); | |
770 | ||
771 | MODULE_AUTHOR("Stefan Achatz"); | |
772 | MODULE_DESCRIPTION("USB Roccat Pyra driver"); | |
773 | MODULE_LICENSE("GPL v2"); |