Commit | Line | Data |
---|---|---|
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 | ||
0e70f97f SA |
73 | static int kovaplus_get_profile_settings(struct usb_device *usb_dev, |
74 | struct kovaplus_profile_settings *buf, uint number) | |
75 | { | |
76 | int retval; | |
77 | ||
78 | retval = kovaplus_select_profile(usb_dev, number, | |
79 | KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); | |
80 | if (retval) | |
81 | return retval; | |
82 | ||
7392d73b | 83 | return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS, |
94a8fcf9 | 84 | buf, KOVAPLUS_SIZE_PROFILE_SETTINGS); |
0e70f97f SA |
85 | } |
86 | ||
87 | static int kovaplus_get_profile_buttons(struct usb_device *usb_dev, | |
88 | struct kovaplus_profile_buttons *buf, int number) | |
89 | { | |
90 | int retval; | |
91 | ||
92 | retval = kovaplus_select_profile(usb_dev, number, | |
93 | KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); | |
94 | if (retval) | |
95 | return retval; | |
96 | ||
7392d73b | 97 | return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS, |
94a8fcf9 | 98 | buf, KOVAPLUS_SIZE_PROFILE_BUTTONS); |
0e70f97f SA |
99 | } |
100 | ||
101 | /* retval is 0-4 on success, < 0 on error */ | |
102 | static int kovaplus_get_actual_profile(struct usb_device *usb_dev) | |
103 | { | |
104 | struct kovaplus_actual_profile buf; | |
105 | int retval; | |
106 | ||
7392d73b | 107 | retval = roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE, |
0e70f97f SA |
108 | &buf, sizeof(struct kovaplus_actual_profile)); |
109 | ||
110 | return retval ? retval : buf.actual_profile; | |
111 | } | |
112 | ||
113 | static int kovaplus_set_actual_profile(struct usb_device *usb_dev, | |
114 | int new_profile) | |
115 | { | |
116 | struct kovaplus_actual_profile buf; | |
117 | ||
118 | buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE; | |
119 | buf.size = sizeof(struct kovaplus_actual_profile); | |
120 | buf.actual_profile = new_profile; | |
121 | ||
7392d73b | 122 | return roccat_common2_send_with_status(usb_dev, |
4728f2dc | 123 | KOVAPLUS_COMMAND_ACTUAL_PROFILE, |
0e70f97f SA |
124 | &buf, sizeof(struct kovaplus_actual_profile)); |
125 | } | |
126 | ||
94a8fcf9 SA |
127 | static ssize_t kovaplus_sysfs_read(struct file *fp, struct kobject *kobj, |
128 | char *buf, loff_t off, size_t count, | |
129 | size_t real_size, uint command) | |
0e70f97f | 130 | { |
2cf83833 | 131 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
0e70f97f | 132 | struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); |
94a8fcf9 SA |
133 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
134 | int retval; | |
0e70f97f | 135 | |
94a8fcf9 | 136 | if (off >= real_size) |
0e70f97f SA |
137 | return 0; |
138 | ||
94a8fcf9 SA |
139 | if (off != 0 || count != real_size) |
140 | return -EINVAL; | |
0e70f97f SA |
141 | |
142 | mutex_lock(&kovaplus->kovaplus_lock); | |
94a8fcf9 | 143 | retval = roccat_common2_receive(usb_dev, command, buf, real_size); |
0e70f97f SA |
144 | mutex_unlock(&kovaplus->kovaplus_lock); |
145 | ||
94a8fcf9 SA |
146 | if (retval) |
147 | return retval; | |
148 | ||
149 | return real_size; | |
0e70f97f SA |
150 | } |
151 | ||
94a8fcf9 SA |
152 | static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj, |
153 | void const *buf, loff_t off, size_t count, | |
154 | size_t real_size, uint command) | |
0e70f97f | 155 | { |
2cf83833 | 156 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
0e70f97f SA |
157 | struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); |
158 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
94a8fcf9 | 159 | int retval; |
0e70f97f | 160 | |
94a8fcf9 | 161 | if (off != 0 || count != real_size) |
0e70f97f SA |
162 | return -EINVAL; |
163 | ||
0e70f97f | 164 | mutex_lock(&kovaplus->kovaplus_lock); |
94a8fcf9 SA |
165 | retval = roccat_common2_send_with_status(usb_dev, command, |
166 | buf, real_size); | |
0e70f97f SA |
167 | mutex_unlock(&kovaplus->kovaplus_lock); |
168 | ||
169 | if (retval) | |
170 | return retval; | |
171 | ||
94a8fcf9 | 172 | return real_size; |
0e70f97f SA |
173 | } |
174 | ||
94a8fcf9 SA |
175 | #define KOVAPLUS_SYSFS_W(thingy, THINGY) \ |
176 | static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \ | |
177 | struct kobject *kobj, struct bin_attribute *attr, char *buf, \ | |
178 | loff_t off, size_t count) \ | |
179 | { \ | |
180 | return kovaplus_sysfs_write(fp, kobj, buf, off, count, \ | |
181 | KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \ | |
182 | } | |
0e70f97f | 183 | |
94a8fcf9 SA |
184 | #define KOVAPLUS_SYSFS_R(thingy, THINGY) \ |
185 | static ssize_t kovaplus_sysfs_read_ ## thingy(struct file *fp, \ | |
186 | struct kobject *kobj, struct bin_attribute *attr, char *buf, \ | |
187 | loff_t off, size_t count) \ | |
188 | { \ | |
189 | return kovaplus_sysfs_read(fp, kobj, buf, off, count, \ | |
190 | KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \ | |
191 | } | |
0e70f97f | 192 | |
94a8fcf9 SA |
193 | #define KOVAPLUS_SYSFS_RW(thingy, THINGY) \ |
194 | KOVAPLUS_SYSFS_W(thingy, THINGY) \ | |
195 | KOVAPLUS_SYSFS_R(thingy, THINGY) | |
0e70f97f | 196 | |
94a8fcf9 | 197 | #define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \ |
975b53cc GKH |
198 | KOVAPLUS_SYSFS_RW(thingy, THINGY); \ |
199 | static struct bin_attribute bin_attr_##thingy = { \ | |
94a8fcf9 SA |
200 | .attr = { .name = #thingy, .mode = 0660 }, \ |
201 | .size = KOVAPLUS_SIZE_ ## THINGY, \ | |
202 | .read = kovaplus_sysfs_read_ ## thingy, \ | |
203 | .write = kovaplus_sysfs_write_ ## thingy \ | |
204 | } | |
205 | ||
94a8fcf9 | 206 | #define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \ |
975b53cc GKH |
207 | KOVAPLUS_SYSFS_W(thingy, THINGY); \ |
208 | static struct bin_attribute bin_attr_##thingy = { \ | |
94a8fcf9 SA |
209 | .attr = { .name = #thingy, .mode = 0220 }, \ |
210 | .size = KOVAPLUS_SIZE_ ## THINGY, \ | |
211 | .write = kovaplus_sysfs_write_ ## thingy \ | |
0e70f97f | 212 | } |
975b53cc GKH |
213 | KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL); |
214 | KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO); | |
215 | KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS); | |
216 | KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS); | |
94a8fcf9 SA |
217 | |
218 | static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp, | |
0e70f97f SA |
219 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
220 | loff_t off, size_t count) | |
221 | { | |
2cf83833 | 222 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
0e70f97f | 223 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
94a8fcf9 | 224 | ssize_t retval; |
0e70f97f | 225 | |
94a8fcf9 SA |
226 | retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private), |
227 | KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); | |
228 | if (retval) | |
229 | return retval; | |
0e70f97f | 230 | |
94a8fcf9 SA |
231 | return kovaplus_sysfs_read(fp, kobj, buf, off, count, |
232 | KOVAPLUS_SIZE_PROFILE_SETTINGS, | |
233 | KOVAPLUS_COMMAND_PROFILE_SETTINGS); | |
234 | } | |
0e70f97f | 235 | |
94a8fcf9 SA |
236 | static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp, |
237 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
238 | loff_t off, size_t count) | |
239 | { | |
2cf83833 | 240 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
94a8fcf9 SA |
241 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
242 | ssize_t retval; | |
0e70f97f | 243 | |
94a8fcf9 SA |
244 | retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private), |
245 | KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); | |
0e70f97f SA |
246 | if (retval) |
247 | return retval; | |
248 | ||
94a8fcf9 SA |
249 | return kovaplus_sysfs_read(fp, kobj, buf, off, count, |
250 | KOVAPLUS_SIZE_PROFILE_BUTTONS, | |
251 | KOVAPLUS_COMMAND_PROFILE_BUTTONS); | |
0e70f97f SA |
252 | } |
253 | ||
975b53cc GKH |
254 | #define PROFILE_ATTR(number) \ |
255 | static struct bin_attribute bin_attr_profile##number##_settings = { \ | |
550dbf47 | 256 | .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ |
975b53cc GKH |
257 | .size = KOVAPLUS_SIZE_PROFILE_SETTINGS, \ |
258 | .read = kovaplus_sysfs_read_profilex_settings, \ | |
259 | .private = &profile_numbers[number-1], \ | |
260 | }; \ | |
261 | static struct bin_attribute bin_attr_profile##number##_buttons = { \ | |
550dbf47 | 262 | .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ |
975b53cc GKH |
263 | .size = KOVAPLUS_SIZE_PROFILE_BUTTONS, \ |
264 | .read = kovaplus_sysfs_read_profilex_buttons, \ | |
265 | .private = &profile_numbers[number-1], \ | |
266 | }; | |
267 | PROFILE_ATTR(1); | |
268 | PROFILE_ATTR(2); | |
269 | PROFILE_ATTR(3); | |
270 | PROFILE_ATTR(4); | |
271 | PROFILE_ATTR(5); | |
272 | ||
0e70f97f SA |
273 | static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev, |
274 | struct device_attribute *attr, char *buf) | |
275 | { | |
276 | struct kovaplus_device *kovaplus = | |
277 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
278 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile); | |
279 | } | |
280 | ||
281 | static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev, | |
282 | struct device_attribute *attr, char const *buf, size_t size) | |
283 | { | |
284 | struct kovaplus_device *kovaplus; | |
285 | struct usb_device *usb_dev; | |
286 | unsigned long profile; | |
287 | int retval; | |
6b9a57b9 | 288 | struct kovaplus_roccat_report roccat_report; |
0e70f97f SA |
289 | |
290 | dev = dev->parent->parent; | |
291 | kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
292 | usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
293 | ||
dfc450b5 | 294 | retval = kstrtoul(buf, 10, &profile); |
0e70f97f SA |
295 | if (retval) |
296 | return retval; | |
297 | ||
298 | if (profile >= 5) | |
299 | return -EINVAL; | |
300 | ||
301 | mutex_lock(&kovaplus->kovaplus_lock); | |
302 | retval = kovaplus_set_actual_profile(usb_dev, profile); | |
6b9a57b9 SA |
303 | if (retval) { |
304 | mutex_unlock(&kovaplus->kovaplus_lock); | |
305 | return retval; | |
306 | } | |
307 | ||
901e64db | 308 | kovaplus_profile_activated(kovaplus, profile); |
6b9a57b9 SA |
309 | |
310 | roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1; | |
311 | roccat_report.profile = profile + 1; | |
312 | roccat_report.button = 0; | |
313 | roccat_report.data1 = profile + 1; | |
314 | roccat_report.data2 = 0; | |
315 | roccat_report_event(kovaplus->chrdev_minor, | |
316 | (uint8_t const *)&roccat_report); | |
317 | ||
0e70f97f | 318 | mutex_unlock(&kovaplus->kovaplus_lock); |
0e70f97f SA |
319 | |
320 | return size; | |
321 | } | |
46a58c44 GKH |
322 | static DEVICE_ATTR(actual_profile, 0660, |
323 | kovaplus_sysfs_show_actual_profile, | |
324 | kovaplus_sysfs_set_actual_profile); | |
0e70f97f SA |
325 | |
326 | static ssize_t kovaplus_sysfs_show_actual_cpi(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_cpi); | |
332 | } | |
46a58c44 | 333 | static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL); |
0e70f97f SA |
334 | |
335 | static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev, | |
336 | struct device_attribute *attr, char *buf) | |
337 | { | |
338 | struct kovaplus_device *kovaplus = | |
339 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
340 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity); | |
341 | } | |
46a58c44 GKH |
342 | static DEVICE_ATTR(actual_sensitivity_x, 0440, |
343 | kovaplus_sysfs_show_actual_sensitivity_x, NULL); | |
0e70f97f SA |
344 | |
345 | static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev, | |
346 | struct device_attribute *attr, char *buf) | |
347 | { | |
348 | struct kovaplus_device *kovaplus = | |
349 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
350 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity); | |
351 | } | |
46a58c44 GKH |
352 | static DEVICE_ATTR(actual_sensitivity_y, 0440, |
353 | kovaplus_sysfs_show_actual_sensitivity_y, NULL); | |
0e70f97f SA |
354 | |
355 | static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev, | |
356 | struct device_attribute *attr, char *buf) | |
357 | { | |
94a8fcf9 SA |
358 | struct kovaplus_device *kovaplus; |
359 | struct usb_device *usb_dev; | |
360 | struct kovaplus_info info; | |
361 | ||
362 | dev = dev->parent->parent; | |
363 | kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
364 | usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
365 | ||
366 | mutex_lock(&kovaplus->kovaplus_lock); | |
367 | roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO, | |
368 | &info, KOVAPLUS_SIZE_INFO); | |
369 | mutex_unlock(&kovaplus->kovaplus_lock); | |
370 | ||
371 | return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version); | |
0e70f97f | 372 | } |
46a58c44 GKH |
373 | static DEVICE_ATTR(firmware_version, 0440, |
374 | kovaplus_sysfs_show_firmware_version, NULL); | |
0e70f97f | 375 | |
46a58c44 GKH |
376 | static struct attribute *kovaplus_attrs[] = { |
377 | &dev_attr_actual_cpi.attr, | |
378 | &dev_attr_firmware_version.attr, | |
379 | &dev_attr_actual_profile.attr, | |
380 | &dev_attr_actual_sensitivity_x.attr, | |
381 | &dev_attr_actual_sensitivity_y.attr, | |
382 | NULL, | |
0e70f97f | 383 | }; |
975b53cc GKH |
384 | |
385 | static struct bin_attribute *kovaplus_bin_attributes[] = { | |
386 | &bin_attr_control, | |
387 | &bin_attr_info, | |
388 | &bin_attr_profile_settings, | |
389 | &bin_attr_profile_buttons, | |
390 | &bin_attr_profile1_settings, | |
391 | &bin_attr_profile2_settings, | |
392 | &bin_attr_profile3_settings, | |
393 | &bin_attr_profile4_settings, | |
394 | &bin_attr_profile5_settings, | |
395 | &bin_attr_profile1_buttons, | |
396 | &bin_attr_profile2_buttons, | |
397 | &bin_attr_profile3_buttons, | |
398 | &bin_attr_profile4_buttons, | |
399 | &bin_attr_profile5_buttons, | |
400 | NULL, | |
401 | }; | |
402 | ||
403 | static const struct attribute_group kovaplus_group = { | |
404 | .attrs = kovaplus_attrs, | |
405 | .bin_attrs = kovaplus_bin_attributes, | |
406 | }; | |
407 | ||
408 | static const struct attribute_group *kovaplus_groups[] = { | |
409 | &kovaplus_group, | |
410 | NULL, | |
0e70f97f SA |
411 | }; |
412 | ||
413 | static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev, | |
414 | struct kovaplus_device *kovaplus) | |
415 | { | |
416 | int retval, i; | |
417 | static uint wait = 70; /* device will freeze with just 60 */ | |
418 | ||
419 | mutex_init(&kovaplus->kovaplus_lock); | |
420 | ||
0e70f97f SA |
421 | for (i = 0; i < 5; ++i) { |
422 | msleep(wait); | |
423 | retval = kovaplus_get_profile_settings(usb_dev, | |
424 | &kovaplus->profile_settings[i], i); | |
425 | if (retval) | |
426 | return retval; | |
427 | ||
428 | msleep(wait); | |
429 | retval = kovaplus_get_profile_buttons(usb_dev, | |
430 | &kovaplus->profile_buttons[i], i); | |
431 | if (retval) | |
432 | return retval; | |
433 | } | |
434 | ||
435 | msleep(wait); | |
436 | retval = kovaplus_get_actual_profile(usb_dev); | |
437 | if (retval < 0) | |
438 | return retval; | |
439 | kovaplus_profile_activated(kovaplus, retval); | |
440 | ||
441 | return 0; | |
442 | } | |
443 | ||
444 | static int kovaplus_init_specials(struct hid_device *hdev) | |
445 | { | |
446 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
447 | struct usb_device *usb_dev = interface_to_usbdev(intf); | |
448 | struct kovaplus_device *kovaplus; | |
449 | int retval; | |
450 | ||
451 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
452 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
453 | ||
454 | kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL); | |
455 | if (!kovaplus) { | |
456 | hid_err(hdev, "can't alloc device descriptor\n"); | |
457 | return -ENOMEM; | |
458 | } | |
459 | hid_set_drvdata(hdev, kovaplus); | |
460 | ||
461 | retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus); | |
462 | if (retval) { | |
463 | hid_err(hdev, "couldn't init struct kovaplus_device\n"); | |
464 | goto exit_free; | |
465 | } | |
466 | ||
8211e460 SA |
467 | retval = roccat_connect(kovaplus_class, hdev, |
468 | sizeof(struct kovaplus_roccat_report)); | |
0e70f97f SA |
469 | if (retval < 0) { |
470 | hid_err(hdev, "couldn't init char dev\n"); | |
471 | } else { | |
472 | kovaplus->chrdev_minor = retval; | |
473 | kovaplus->roccat_claimed = 1; | |
474 | } | |
475 | ||
476 | } else { | |
477 | hid_set_drvdata(hdev, NULL); | |
478 | } | |
479 | ||
480 | return 0; | |
481 | exit_free: | |
482 | kfree(kovaplus); | |
483 | return retval; | |
484 | } | |
485 | ||
486 | static void kovaplus_remove_specials(struct hid_device *hdev) | |
487 | { | |
488 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
489 | struct kovaplus_device *kovaplus; | |
490 | ||
491 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
492 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
493 | kovaplus = hid_get_drvdata(hdev); | |
494 | if (kovaplus->roccat_claimed) | |
495 | roccat_disconnect(kovaplus->chrdev_minor); | |
496 | kfree(kovaplus); | |
497 | } | |
498 | } | |
499 | ||
500 | static int kovaplus_probe(struct hid_device *hdev, | |
501 | const struct hid_device_id *id) | |
502 | { | |
503 | int retval; | |
504 | ||
505 | retval = hid_parse(hdev); | |
506 | if (retval) { | |
507 | hid_err(hdev, "parse failed\n"); | |
508 | goto exit; | |
509 | } | |
510 | ||
511 | retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
512 | if (retval) { | |
513 | hid_err(hdev, "hw start failed\n"); | |
514 | goto exit; | |
515 | } | |
516 | ||
517 | retval = kovaplus_init_specials(hdev); | |
518 | if (retval) { | |
519 | hid_err(hdev, "couldn't install mouse\n"); | |
520 | goto exit_stop; | |
521 | } | |
522 | ||
523 | return 0; | |
524 | ||
525 | exit_stop: | |
526 | hid_hw_stop(hdev); | |
527 | exit: | |
528 | return retval; | |
529 | } | |
530 | ||
531 | static void kovaplus_remove(struct hid_device *hdev) | |
532 | { | |
533 | kovaplus_remove_specials(hdev); | |
534 | hid_hw_stop(hdev); | |
535 | } | |
536 | ||
537 | static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus, | |
538 | u8 const *data) | |
539 | { | |
540 | struct kovaplus_mouse_report_button const *button_report; | |
541 | ||
542 | if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) | |
543 | return; | |
544 | ||
545 | button_report = (struct kovaplus_mouse_report_button const *)data; | |
546 | ||
547 | switch (button_report->type) { | |
548 | case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1: | |
549 | kovaplus_profile_activated(kovaplus, button_report->data1 - 1); | |
550 | break; | |
551 | case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI: | |
552 | kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1); | |
7be63f20 | 553 | break; |
0e70f97f SA |
554 | case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY: |
555 | kovaplus->actual_x_sensitivity = button_report->data1; | |
556 | kovaplus->actual_y_sensitivity = button_report->data2; | |
7be63f20 SA |
557 | break; |
558 | default: | |
559 | break; | |
0e70f97f SA |
560 | } |
561 | } | |
562 | ||
563 | static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus, | |
564 | u8 const *data) | |
565 | { | |
566 | struct kovaplus_roccat_report roccat_report; | |
567 | struct kovaplus_mouse_report_button const *button_report; | |
568 | ||
569 | if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) | |
570 | return; | |
571 | ||
572 | button_report = (struct kovaplus_mouse_report_button const *)data; | |
573 | ||
574 | if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2) | |
575 | return; | |
576 | ||
577 | roccat_report.type = button_report->type; | |
578 | roccat_report.profile = kovaplus->actual_profile + 1; | |
579 | ||
580 | if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO || | |
581 | roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT || | |
582 | roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH || | |
583 | roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) | |
584 | roccat_report.button = button_report->data1; | |
585 | else | |
586 | roccat_report.button = 0; | |
587 | ||
588 | if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI) | |
589 | roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1); | |
590 | else | |
591 | roccat_report.data1 = button_report->data1; | |
592 | ||
593 | roccat_report.data2 = button_report->data2; | |
594 | ||
595 | roccat_report_event(kovaplus->chrdev_minor, | |
8211e460 | 596 | (uint8_t const *)&roccat_report); |
0e70f97f SA |
597 | } |
598 | ||
599 | static int kovaplus_raw_event(struct hid_device *hdev, | |
600 | struct hid_report *report, u8 *data, int size) | |
601 | { | |
602 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
603 | struct kovaplus_device *kovaplus = hid_get_drvdata(hdev); | |
604 | ||
605 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
606 | != USB_INTERFACE_PROTOCOL_MOUSE) | |
607 | return 0; | |
608 | ||
901e64db SA |
609 | if (kovaplus == NULL) |
610 | return 0; | |
611 | ||
0e70f97f SA |
612 | kovaplus_keep_values_up_to_date(kovaplus, data); |
613 | ||
614 | if (kovaplus->roccat_claimed) | |
615 | kovaplus_report_to_chrdev(kovaplus, data); | |
616 | ||
617 | return 0; | |
618 | } | |
619 | ||
620 | static const struct hid_device_id kovaplus_devices[] = { | |
621 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, | |
622 | { } | |
623 | }; | |
624 | ||
625 | MODULE_DEVICE_TABLE(hid, kovaplus_devices); | |
626 | ||
627 | static struct hid_driver kovaplus_driver = { | |
628 | .name = "kovaplus", | |
629 | .id_table = kovaplus_devices, | |
630 | .probe = kovaplus_probe, | |
631 | .remove = kovaplus_remove, | |
632 | .raw_event = kovaplus_raw_event | |
633 | }; | |
634 | ||
635 | static int __init kovaplus_init(void) | |
636 | { | |
637 | int retval; | |
638 | ||
639 | kovaplus_class = class_create(THIS_MODULE, "kovaplus"); | |
640 | if (IS_ERR(kovaplus_class)) | |
641 | return PTR_ERR(kovaplus_class); | |
46a58c44 | 642 | kovaplus_class->dev_groups = kovaplus_groups; |
0e70f97f SA |
643 | |
644 | retval = hid_register_driver(&kovaplus_driver); | |
645 | if (retval) | |
646 | class_destroy(kovaplus_class); | |
647 | return retval; | |
648 | } | |
649 | ||
650 | static void __exit kovaplus_exit(void) | |
651 | { | |
0e70f97f | 652 | hid_unregister_driver(&kovaplus_driver); |
74b643da | 653 | class_destroy(kovaplus_class); |
0e70f97f SA |
654 | } |
655 | ||
656 | module_init(kovaplus_init); | |
657 | module_exit(kovaplus_exit); | |
658 | ||
659 | MODULE_AUTHOR("Stefan Achatz"); | |
660 | MODULE_DESCRIPTION("USB Roccat Kova[+] driver"); | |
661 | MODULE_LICENSE("GPL v2"); |