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0e70f97f SA |
1 | /* |
2 | * Roccat Kova[+] driver for Linux | |
3 | * | |
4 | * Copyright (c) 2011 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 Kova[+] is a bigger version of the Pyra with two more side buttons. | |
16 | */ | |
17 | ||
18 | #include <linux/device.h> | |
19 | #include <linux/input.h> | |
20 | #include <linux/hid.h> | |
21 | #include <linux/module.h> | |
22 | #include <linux/slab.h> | |
5dc0c983 | 23 | #include <linux/hid-roccat.h> |
0e70f97f | 24 | #include "hid-ids.h" |
0e70f97f SA |
25 | #include "hid-roccat-common.h" |
26 | #include "hid-roccat-kovaplus.h" | |
27 | ||
28 | static uint profile_numbers[5] = {0, 1, 2, 3, 4}; | |
29 | ||
30 | static struct class *kovaplus_class; | |
31 | ||
32 | static uint kovaplus_convert_event_cpi(uint value) | |
33 | { | |
34 | return (value == 7 ? 4 : (value == 4 ? 3 : value)); | |
35 | } | |
36 | ||
37 | static void kovaplus_profile_activated(struct kovaplus_device *kovaplus, | |
38 | uint new_profile_index) | |
39 | { | |
40 | kovaplus->actual_profile = new_profile_index; | |
41 | kovaplus->actual_cpi = kovaplus->profile_settings[new_profile_index].cpi_startup_level; | |
42 | kovaplus->actual_x_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_x; | |
43 | kovaplus->actual_y_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_y; | |
44 | } | |
45 | ||
46 | static int kovaplus_send_control(struct usb_device *usb_dev, uint value, | |
47 | enum kovaplus_control_requests request) | |
48 | { | |
49 | int retval; | |
7392d73b | 50 | struct roccat_common2_control control; |
0e70f97f SA |
51 | |
52 | if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS || | |
53 | request == KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) && | |
54 | value > 4) | |
55 | return -EINVAL; | |
56 | ||
4728f2dc | 57 | control.command = ROCCAT_COMMON_COMMAND_CONTROL; |
0e70f97f SA |
58 | control.value = value; |
59 | control.request = request; | |
60 | ||
7392d73b SA |
61 | retval = roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL, |
62 | &control, sizeof(struct roccat_common2_control)); | |
0e70f97f SA |
63 | |
64 | return retval; | |
65 | } | |
66 | ||
0e70f97f SA |
67 | static int kovaplus_select_profile(struct usb_device *usb_dev, uint number, |
68 | enum kovaplus_control_requests request) | |
69 | { | |
70 | return kovaplus_send_control(usb_dev, number, request); | |
71 | } | |
72 | ||
73 | static int kovaplus_get_info(struct usb_device *usb_dev, | |
74 | struct kovaplus_info *buf) | |
75 | { | |
7392d73b | 76 | return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO, |
0e70f97f SA |
77 | buf, sizeof(struct kovaplus_info)); |
78 | } | |
79 | ||
80 | static int kovaplus_get_profile_settings(struct usb_device *usb_dev, | |
81 | struct kovaplus_profile_settings *buf, uint number) | |
82 | { | |
83 | int retval; | |
84 | ||
85 | retval = kovaplus_select_profile(usb_dev, number, | |
86 | KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); | |
87 | if (retval) | |
88 | return retval; | |
89 | ||
7392d73b | 90 | return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS, |
0e70f97f SA |
91 | buf, sizeof(struct kovaplus_profile_settings)); |
92 | } | |
93 | ||
94 | static int kovaplus_set_profile_settings(struct usb_device *usb_dev, | |
95 | struct kovaplus_profile_settings const *settings) | |
96 | { | |
7392d73b | 97 | return roccat_common2_send_with_status(usb_dev, |
4728f2dc | 98 | KOVAPLUS_COMMAND_PROFILE_SETTINGS, |
0e70f97f SA |
99 | settings, sizeof(struct kovaplus_profile_settings)); |
100 | } | |
101 | ||
102 | static int kovaplus_get_profile_buttons(struct usb_device *usb_dev, | |
103 | struct kovaplus_profile_buttons *buf, int number) | |
104 | { | |
105 | int retval; | |
106 | ||
107 | retval = kovaplus_select_profile(usb_dev, number, | |
108 | KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); | |
109 | if (retval) | |
110 | return retval; | |
111 | ||
7392d73b | 112 | return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS, |
0e70f97f SA |
113 | buf, sizeof(struct kovaplus_profile_buttons)); |
114 | } | |
115 | ||
116 | static int kovaplus_set_profile_buttons(struct usb_device *usb_dev, | |
117 | struct kovaplus_profile_buttons const *buttons) | |
118 | { | |
7392d73b | 119 | return roccat_common2_send_with_status(usb_dev, |
4728f2dc | 120 | KOVAPLUS_COMMAND_PROFILE_BUTTONS, |
0e70f97f SA |
121 | buttons, sizeof(struct kovaplus_profile_buttons)); |
122 | } | |
123 | ||
124 | /* retval is 0-4 on success, < 0 on error */ | |
125 | static int kovaplus_get_actual_profile(struct usb_device *usb_dev) | |
126 | { | |
127 | struct kovaplus_actual_profile buf; | |
128 | int retval; | |
129 | ||
7392d73b | 130 | retval = roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE, |
0e70f97f SA |
131 | &buf, sizeof(struct kovaplus_actual_profile)); |
132 | ||
133 | return retval ? retval : buf.actual_profile; | |
134 | } | |
135 | ||
136 | static int kovaplus_set_actual_profile(struct usb_device *usb_dev, | |
137 | int new_profile) | |
138 | { | |
139 | struct kovaplus_actual_profile buf; | |
140 | ||
141 | buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE; | |
142 | buf.size = sizeof(struct kovaplus_actual_profile); | |
143 | buf.actual_profile = new_profile; | |
144 | ||
7392d73b | 145 | return roccat_common2_send_with_status(usb_dev, |
4728f2dc | 146 | KOVAPLUS_COMMAND_ACTUAL_PROFILE, |
0e70f97f SA |
147 | &buf, sizeof(struct kovaplus_actual_profile)); |
148 | } | |
149 | ||
150 | static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp, | |
151 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
152 | loff_t off, size_t count) | |
153 | { | |
154 | struct device *dev = | |
155 | container_of(kobj, struct device, kobj)->parent->parent; | |
156 | struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
157 | ||
158 | if (off >= sizeof(struct kovaplus_profile_settings)) | |
159 | return 0; | |
160 | ||
161 | if (off + count > sizeof(struct kovaplus_profile_settings)) | |
162 | count = sizeof(struct kovaplus_profile_settings) - off; | |
163 | ||
164 | mutex_lock(&kovaplus->kovaplus_lock); | |
165 | memcpy(buf, ((char const *)&kovaplus->profile_settings[*(uint *)(attr->private)]) + off, | |
166 | count); | |
167 | mutex_unlock(&kovaplus->kovaplus_lock); | |
168 | ||
169 | return count; | |
170 | } | |
171 | ||
172 | static ssize_t kovaplus_sysfs_write_profile_settings(struct file *fp, | |
173 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
174 | loff_t off, size_t count) | |
175 | { | |
176 | struct device *dev = | |
177 | container_of(kobj, struct device, kobj)->parent->parent; | |
178 | struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
179 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
180 | int retval = 0; | |
181 | int difference; | |
182 | int profile_index; | |
183 | struct kovaplus_profile_settings *profile_settings; | |
184 | ||
185 | if (off != 0 || count != sizeof(struct kovaplus_profile_settings)) | |
186 | return -EINVAL; | |
187 | ||
188 | profile_index = ((struct kovaplus_profile_settings const *)buf)->profile_index; | |
189 | profile_settings = &kovaplus->profile_settings[profile_index]; | |
190 | ||
191 | mutex_lock(&kovaplus->kovaplus_lock); | |
192 | difference = memcmp(buf, profile_settings, | |
193 | sizeof(struct kovaplus_profile_settings)); | |
194 | if (difference) { | |
195 | retval = kovaplus_set_profile_settings(usb_dev, | |
196 | (struct kovaplus_profile_settings const *)buf); | |
197 | if (!retval) | |
198 | memcpy(profile_settings, buf, | |
199 | sizeof(struct kovaplus_profile_settings)); | |
200 | } | |
201 | mutex_unlock(&kovaplus->kovaplus_lock); | |
202 | ||
203 | if (retval) | |
204 | return retval; | |
205 | ||
206 | return sizeof(struct kovaplus_profile_settings); | |
207 | } | |
208 | ||
209 | static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp, | |
210 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
211 | loff_t off, size_t count) | |
212 | { | |
213 | struct device *dev = | |
214 | container_of(kobj, struct device, kobj)->parent->parent; | |
215 | struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
216 | ||
217 | if (off >= sizeof(struct kovaplus_profile_buttons)) | |
218 | return 0; | |
219 | ||
220 | if (off + count > sizeof(struct kovaplus_profile_buttons)) | |
221 | count = sizeof(struct kovaplus_profile_buttons) - off; | |
222 | ||
223 | mutex_lock(&kovaplus->kovaplus_lock); | |
224 | memcpy(buf, ((char const *)&kovaplus->profile_buttons[*(uint *)(attr->private)]) + off, | |
225 | count); | |
226 | mutex_unlock(&kovaplus->kovaplus_lock); | |
227 | ||
228 | return count; | |
229 | } | |
230 | ||
231 | static ssize_t kovaplus_sysfs_write_profile_buttons(struct file *fp, | |
232 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
233 | loff_t off, size_t count) | |
234 | { | |
235 | struct device *dev = | |
236 | container_of(kobj, struct device, kobj)->parent->parent; | |
237 | struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
238 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
239 | int retval = 0; | |
240 | int difference; | |
241 | uint profile_index; | |
242 | struct kovaplus_profile_buttons *profile_buttons; | |
243 | ||
244 | if (off != 0 || count != sizeof(struct kovaplus_profile_buttons)) | |
245 | return -EINVAL; | |
246 | ||
247 | profile_index = ((struct kovaplus_profile_buttons const *)buf)->profile_index; | |
248 | profile_buttons = &kovaplus->profile_buttons[profile_index]; | |
249 | ||
250 | mutex_lock(&kovaplus->kovaplus_lock); | |
251 | difference = memcmp(buf, profile_buttons, | |
252 | sizeof(struct kovaplus_profile_buttons)); | |
253 | if (difference) { | |
254 | retval = kovaplus_set_profile_buttons(usb_dev, | |
255 | (struct kovaplus_profile_buttons const *)buf); | |
256 | if (!retval) | |
257 | memcpy(profile_buttons, buf, | |
258 | sizeof(struct kovaplus_profile_buttons)); | |
259 | } | |
260 | mutex_unlock(&kovaplus->kovaplus_lock); | |
261 | ||
262 | if (retval) | |
263 | return retval; | |
264 | ||
265 | return sizeof(struct kovaplus_profile_buttons); | |
266 | } | |
267 | ||
268 | static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev, | |
269 | struct device_attribute *attr, char *buf) | |
270 | { | |
271 | struct kovaplus_device *kovaplus = | |
272 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
273 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile); | |
274 | } | |
275 | ||
276 | static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev, | |
277 | struct device_attribute *attr, char const *buf, size_t size) | |
278 | { | |
279 | struct kovaplus_device *kovaplus; | |
280 | struct usb_device *usb_dev; | |
281 | unsigned long profile; | |
282 | int retval; | |
6b9a57b9 | 283 | struct kovaplus_roccat_report roccat_report; |
0e70f97f SA |
284 | |
285 | dev = dev->parent->parent; | |
286 | kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
287 | usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
288 | ||
289 | retval = strict_strtoul(buf, 10, &profile); | |
290 | if (retval) | |
291 | return retval; | |
292 | ||
293 | if (profile >= 5) | |
294 | return -EINVAL; | |
295 | ||
296 | mutex_lock(&kovaplus->kovaplus_lock); | |
297 | retval = kovaplus_set_actual_profile(usb_dev, profile); | |
6b9a57b9 SA |
298 | if (retval) { |
299 | mutex_unlock(&kovaplus->kovaplus_lock); | |
300 | return retval; | |
301 | } | |
302 | ||
901e64db | 303 | kovaplus_profile_activated(kovaplus, profile); |
6b9a57b9 SA |
304 | |
305 | roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1; | |
306 | roccat_report.profile = profile + 1; | |
307 | roccat_report.button = 0; | |
308 | roccat_report.data1 = profile + 1; | |
309 | roccat_report.data2 = 0; | |
310 | roccat_report_event(kovaplus->chrdev_minor, | |
311 | (uint8_t const *)&roccat_report); | |
312 | ||
0e70f97f | 313 | mutex_unlock(&kovaplus->kovaplus_lock); |
0e70f97f SA |
314 | |
315 | return size; | |
316 | } | |
317 | ||
318 | static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev, | |
319 | struct device_attribute *attr, char *buf) | |
320 | { | |
321 | struct kovaplus_device *kovaplus = | |
322 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
323 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi); | |
324 | } | |
325 | ||
326 | static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev, | |
327 | struct device_attribute *attr, char *buf) | |
328 | { | |
329 | struct kovaplus_device *kovaplus = | |
330 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
331 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity); | |
332 | } | |
333 | ||
334 | static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev, | |
335 | struct device_attribute *attr, char *buf) | |
336 | { | |
337 | struct kovaplus_device *kovaplus = | |
338 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
339 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity); | |
340 | } | |
341 | ||
342 | static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev, | |
343 | struct device_attribute *attr, char *buf) | |
344 | { | |
345 | struct kovaplus_device *kovaplus = | |
346 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
347 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->info.firmware_version); | |
348 | } | |
349 | ||
350 | static struct device_attribute kovaplus_attributes[] = { | |
351 | __ATTR(actual_cpi, 0440, | |
352 | kovaplus_sysfs_show_actual_cpi, NULL), | |
353 | __ATTR(firmware_version, 0440, | |
354 | kovaplus_sysfs_show_firmware_version, NULL), | |
355 | __ATTR(actual_profile, 0660, | |
356 | kovaplus_sysfs_show_actual_profile, | |
357 | kovaplus_sysfs_set_actual_profile), | |
358 | __ATTR(actual_sensitivity_x, 0440, | |
359 | kovaplus_sysfs_show_actual_sensitivity_x, NULL), | |
360 | __ATTR(actual_sensitivity_y, 0440, | |
361 | kovaplus_sysfs_show_actual_sensitivity_y, NULL), | |
362 | __ATTR_NULL | |
363 | }; | |
364 | ||
365 | static struct bin_attribute kovaplus_bin_attributes[] = { | |
366 | { | |
367 | .attr = { .name = "profile_settings", .mode = 0220 }, | |
368 | .size = sizeof(struct kovaplus_profile_settings), | |
369 | .write = kovaplus_sysfs_write_profile_settings | |
370 | }, | |
371 | { | |
372 | .attr = { .name = "profile1_settings", .mode = 0440 }, | |
373 | .size = sizeof(struct kovaplus_profile_settings), | |
374 | .read = kovaplus_sysfs_read_profilex_settings, | |
375 | .private = &profile_numbers[0] | |
376 | }, | |
377 | { | |
378 | .attr = { .name = "profile2_settings", .mode = 0440 }, | |
379 | .size = sizeof(struct kovaplus_profile_settings), | |
380 | .read = kovaplus_sysfs_read_profilex_settings, | |
381 | .private = &profile_numbers[1] | |
382 | }, | |
383 | { | |
384 | .attr = { .name = "profile3_settings", .mode = 0440 }, | |
385 | .size = sizeof(struct kovaplus_profile_settings), | |
386 | .read = kovaplus_sysfs_read_profilex_settings, | |
387 | .private = &profile_numbers[2] | |
388 | }, | |
389 | { | |
390 | .attr = { .name = "profile4_settings", .mode = 0440 }, | |
391 | .size = sizeof(struct kovaplus_profile_settings), | |
392 | .read = kovaplus_sysfs_read_profilex_settings, | |
393 | .private = &profile_numbers[3] | |
394 | }, | |
395 | { | |
396 | .attr = { .name = "profile5_settings", .mode = 0440 }, | |
397 | .size = sizeof(struct kovaplus_profile_settings), | |
398 | .read = kovaplus_sysfs_read_profilex_settings, | |
399 | .private = &profile_numbers[4] | |
400 | }, | |
401 | { | |
402 | .attr = { .name = "profile_buttons", .mode = 0220 }, | |
403 | .size = sizeof(struct kovaplus_profile_buttons), | |
404 | .write = kovaplus_sysfs_write_profile_buttons | |
405 | }, | |
406 | { | |
407 | .attr = { .name = "profile1_buttons", .mode = 0440 }, | |
408 | .size = sizeof(struct kovaplus_profile_buttons), | |
409 | .read = kovaplus_sysfs_read_profilex_buttons, | |
410 | .private = &profile_numbers[0] | |
411 | }, | |
412 | { | |
413 | .attr = { .name = "profile2_buttons", .mode = 0440 }, | |
414 | .size = sizeof(struct kovaplus_profile_buttons), | |
415 | .read = kovaplus_sysfs_read_profilex_buttons, | |
416 | .private = &profile_numbers[1] | |
417 | }, | |
418 | { | |
419 | .attr = { .name = "profile3_buttons", .mode = 0440 }, | |
420 | .size = sizeof(struct kovaplus_profile_buttons), | |
421 | .read = kovaplus_sysfs_read_profilex_buttons, | |
422 | .private = &profile_numbers[2] | |
423 | }, | |
424 | { | |
425 | .attr = { .name = "profile4_buttons", .mode = 0440 }, | |
426 | .size = sizeof(struct kovaplus_profile_buttons), | |
427 | .read = kovaplus_sysfs_read_profilex_buttons, | |
428 | .private = &profile_numbers[3] | |
429 | }, | |
430 | { | |
431 | .attr = { .name = "profile5_buttons", .mode = 0440 }, | |
432 | .size = sizeof(struct kovaplus_profile_buttons), | |
433 | .read = kovaplus_sysfs_read_profilex_buttons, | |
434 | .private = &profile_numbers[4] | |
435 | }, | |
436 | __ATTR_NULL | |
437 | }; | |
438 | ||
439 | static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev, | |
440 | struct kovaplus_device *kovaplus) | |
441 | { | |
442 | int retval, i; | |
443 | static uint wait = 70; /* device will freeze with just 60 */ | |
444 | ||
445 | mutex_init(&kovaplus->kovaplus_lock); | |
446 | ||
447 | retval = kovaplus_get_info(usb_dev, &kovaplus->info); | |
448 | if (retval) | |
449 | return retval; | |
450 | ||
451 | for (i = 0; i < 5; ++i) { | |
452 | msleep(wait); | |
453 | retval = kovaplus_get_profile_settings(usb_dev, | |
454 | &kovaplus->profile_settings[i], i); | |
455 | if (retval) | |
456 | return retval; | |
457 | ||
458 | msleep(wait); | |
459 | retval = kovaplus_get_profile_buttons(usb_dev, | |
460 | &kovaplus->profile_buttons[i], i); | |
461 | if (retval) | |
462 | return retval; | |
463 | } | |
464 | ||
465 | msleep(wait); | |
466 | retval = kovaplus_get_actual_profile(usb_dev); | |
467 | if (retval < 0) | |
468 | return retval; | |
469 | kovaplus_profile_activated(kovaplus, retval); | |
470 | ||
471 | return 0; | |
472 | } | |
473 | ||
474 | static int kovaplus_init_specials(struct hid_device *hdev) | |
475 | { | |
476 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
477 | struct usb_device *usb_dev = interface_to_usbdev(intf); | |
478 | struct kovaplus_device *kovaplus; | |
479 | int retval; | |
480 | ||
481 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
482 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
483 | ||
484 | kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL); | |
485 | if (!kovaplus) { | |
486 | hid_err(hdev, "can't alloc device descriptor\n"); | |
487 | return -ENOMEM; | |
488 | } | |
489 | hid_set_drvdata(hdev, kovaplus); | |
490 | ||
491 | retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus); | |
492 | if (retval) { | |
493 | hid_err(hdev, "couldn't init struct kovaplus_device\n"); | |
494 | goto exit_free; | |
495 | } | |
496 | ||
8211e460 SA |
497 | retval = roccat_connect(kovaplus_class, hdev, |
498 | sizeof(struct kovaplus_roccat_report)); | |
0e70f97f SA |
499 | if (retval < 0) { |
500 | hid_err(hdev, "couldn't init char dev\n"); | |
501 | } else { | |
502 | kovaplus->chrdev_minor = retval; | |
503 | kovaplus->roccat_claimed = 1; | |
504 | } | |
505 | ||
506 | } else { | |
507 | hid_set_drvdata(hdev, NULL); | |
508 | } | |
509 | ||
510 | return 0; | |
511 | exit_free: | |
512 | kfree(kovaplus); | |
513 | return retval; | |
514 | } | |
515 | ||
516 | static void kovaplus_remove_specials(struct hid_device *hdev) | |
517 | { | |
518 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
519 | struct kovaplus_device *kovaplus; | |
520 | ||
521 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
522 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
523 | kovaplus = hid_get_drvdata(hdev); | |
524 | if (kovaplus->roccat_claimed) | |
525 | roccat_disconnect(kovaplus->chrdev_minor); | |
526 | kfree(kovaplus); | |
527 | } | |
528 | } | |
529 | ||
530 | static int kovaplus_probe(struct hid_device *hdev, | |
531 | const struct hid_device_id *id) | |
532 | { | |
533 | int retval; | |
534 | ||
535 | retval = hid_parse(hdev); | |
536 | if (retval) { | |
537 | hid_err(hdev, "parse failed\n"); | |
538 | goto exit; | |
539 | } | |
540 | ||
541 | retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
542 | if (retval) { | |
543 | hid_err(hdev, "hw start failed\n"); | |
544 | goto exit; | |
545 | } | |
546 | ||
547 | retval = kovaplus_init_specials(hdev); | |
548 | if (retval) { | |
549 | hid_err(hdev, "couldn't install mouse\n"); | |
550 | goto exit_stop; | |
551 | } | |
552 | ||
553 | return 0; | |
554 | ||
555 | exit_stop: | |
556 | hid_hw_stop(hdev); | |
557 | exit: | |
558 | return retval; | |
559 | } | |
560 | ||
561 | static void kovaplus_remove(struct hid_device *hdev) | |
562 | { | |
563 | kovaplus_remove_specials(hdev); | |
564 | hid_hw_stop(hdev); | |
565 | } | |
566 | ||
567 | static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus, | |
568 | u8 const *data) | |
569 | { | |
570 | struct kovaplus_mouse_report_button const *button_report; | |
571 | ||
572 | if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) | |
573 | return; | |
574 | ||
575 | button_report = (struct kovaplus_mouse_report_button const *)data; | |
576 | ||
577 | switch (button_report->type) { | |
578 | case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1: | |
579 | kovaplus_profile_activated(kovaplus, button_report->data1 - 1); | |
580 | break; | |
581 | case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI: | |
582 | kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1); | |
583 | case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY: | |
584 | kovaplus->actual_x_sensitivity = button_report->data1; | |
585 | kovaplus->actual_y_sensitivity = button_report->data2; | |
586 | } | |
587 | } | |
588 | ||
589 | static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus, | |
590 | u8 const *data) | |
591 | { | |
592 | struct kovaplus_roccat_report roccat_report; | |
593 | struct kovaplus_mouse_report_button const *button_report; | |
594 | ||
595 | if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) | |
596 | return; | |
597 | ||
598 | button_report = (struct kovaplus_mouse_report_button const *)data; | |
599 | ||
600 | if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2) | |
601 | return; | |
602 | ||
603 | roccat_report.type = button_report->type; | |
604 | roccat_report.profile = kovaplus->actual_profile + 1; | |
605 | ||
606 | if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO || | |
607 | roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT || | |
608 | roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH || | |
609 | roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) | |
610 | roccat_report.button = button_report->data1; | |
611 | else | |
612 | roccat_report.button = 0; | |
613 | ||
614 | if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI) | |
615 | roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1); | |
616 | else | |
617 | roccat_report.data1 = button_report->data1; | |
618 | ||
619 | roccat_report.data2 = button_report->data2; | |
620 | ||
621 | roccat_report_event(kovaplus->chrdev_minor, | |
8211e460 | 622 | (uint8_t const *)&roccat_report); |
0e70f97f SA |
623 | } |
624 | ||
625 | static int kovaplus_raw_event(struct hid_device *hdev, | |
626 | struct hid_report *report, u8 *data, int size) | |
627 | { | |
628 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
629 | struct kovaplus_device *kovaplus = hid_get_drvdata(hdev); | |
630 | ||
631 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
632 | != USB_INTERFACE_PROTOCOL_MOUSE) | |
633 | return 0; | |
634 | ||
901e64db SA |
635 | if (kovaplus == NULL) |
636 | return 0; | |
637 | ||
0e70f97f SA |
638 | kovaplus_keep_values_up_to_date(kovaplus, data); |
639 | ||
640 | if (kovaplus->roccat_claimed) | |
641 | kovaplus_report_to_chrdev(kovaplus, data); | |
642 | ||
643 | return 0; | |
644 | } | |
645 | ||
646 | static const struct hid_device_id kovaplus_devices[] = { | |
647 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, | |
648 | { } | |
649 | }; | |
650 | ||
651 | MODULE_DEVICE_TABLE(hid, kovaplus_devices); | |
652 | ||
653 | static struct hid_driver kovaplus_driver = { | |
654 | .name = "kovaplus", | |
655 | .id_table = kovaplus_devices, | |
656 | .probe = kovaplus_probe, | |
657 | .remove = kovaplus_remove, | |
658 | .raw_event = kovaplus_raw_event | |
659 | }; | |
660 | ||
661 | static int __init kovaplus_init(void) | |
662 | { | |
663 | int retval; | |
664 | ||
665 | kovaplus_class = class_create(THIS_MODULE, "kovaplus"); | |
666 | if (IS_ERR(kovaplus_class)) | |
667 | return PTR_ERR(kovaplus_class); | |
668 | kovaplus_class->dev_attrs = kovaplus_attributes; | |
669 | kovaplus_class->dev_bin_attrs = kovaplus_bin_attributes; | |
670 | ||
671 | retval = hid_register_driver(&kovaplus_driver); | |
672 | if (retval) | |
673 | class_destroy(kovaplus_class); | |
674 | return retval; | |
675 | } | |
676 | ||
677 | static void __exit kovaplus_exit(void) | |
678 | { | |
0e70f97f | 679 | hid_unregister_driver(&kovaplus_driver); |
74b643da | 680 | class_destroy(kovaplus_class); |
0e70f97f SA |
681 | } |
682 | ||
683 | module_init(kovaplus_init); | |
684 | module_exit(kovaplus_exit); | |
685 | ||
686 | MODULE_AUTHOR("Stefan Achatz"); | |
687 | MODULE_DESCRIPTION("USB Roccat Kova[+] driver"); | |
688 | MODULE_LICENSE("GPL v2"); |